Merge branch 'dev' into 250320BookmarkFavicon

Flow.Launcher.Core/ExternalPlugins/Environments/AbstractPluginEnvironment.cs

@@ -1,14 +1,14 @@
-using Flow.Launcher.Infrastructure.Logger;
-using Flow.Launcher.Infrastructure.UserSettings;
-using Flow.Launcher.Plugin;
-using Flow.Launcher.Plugin.SharedCommands;
-using System;
+using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using System.Windows;
 using System.Windows.Forms;
-using Flow.Launcher.Core.Resource;
 using CommunityToolkit.Mvvm.DependencyInjection;
+using Flow.Launcher.Infrastructure.Logger;
+using Flow.Launcher.Infrastructure.UserSettings;
+using Flow.Launcher.Plugin;
+using Flow.Launcher.Plugin.SharedCommands;
 
 namespace Flow.Launcher.Core.ExternalPlugins.Environments
 {
@@ -42,8 +42,11 @@ namespace Flow.Launcher.Core.ExternalPlugins.Environments
 
         internal IEnumerable<PluginPair> Setup()
         {
+            // If no plugin is using the language, return empty list
             if (!PluginMetadataList.Any(o => o.Language.Equals(Language, StringComparison.OrdinalIgnoreCase)))
+            {
                 return new List<PluginPair>();
+            }
 
             if (!string.IsNullOrEmpty(PluginsSettingsFilePath) && FilesFolders.FileExists(PluginsSettingsFilePath))
             {
@@ -55,24 +58,55 @@ namespace Flow.Launcher.Core.ExternalPlugins.Environments
             }
 
             var noRuntimeMessage = string.Format(
-                InternationalizationManager.Instance.GetTranslation("runtimePluginInstalledChooseRuntimePrompt"),
+                API.GetTranslation("runtimePluginInstalledChooseRuntimePrompt"),
                 Language,
                 EnvName,
                 Environment.NewLine
             );
             if (API.ShowMsgBox(noRuntimeMessage, string.Empty, MessageBoxButton.YesNo) == MessageBoxResult.No)
             {
-                var msg = string.Format(InternationalizationManager.Instance.GetTranslation("runtimePluginChooseRuntimeExecutable"), EnvName);
-                string selectedFile;
+                var msg = string.Format(API.GetTranslation("runtimePluginChooseRuntimeExecutable"), EnvName);
 
-                selectedFile = GetFileFromDialog(msg, FileDialogFilter);
+                var selectedFile = GetFileFromDialog(msg, FileDialogFilter);
 
                 if (!string.IsNullOrEmpty(selectedFile))
+                {
                     PluginsSettingsFilePath = selectedFile;
-
+                }
                 // Nothing selected because user pressed cancel from the file dialog window
-                if (string.IsNullOrEmpty(selectedFile))
-                    InstallEnvironment();
+                else
+                {
+                    var forceDownloadMessage = string.Format(
+                        API.GetTranslation("runtimeExecutableInvalidChooseDownload"),
+                        Language,
+                        EnvName,
+                        Environment.NewLine
+                    );
+
+                    // Let users select valid path or choose to download
+                    while (string.IsNullOrEmpty(selectedFile))
+                    {
+                        if (API.ShowMsgBox(forceDownloadMessage, string.Empty, MessageBoxButton.YesNo) == MessageBoxResult.Yes)
+                        {
+                            // Continue select file
+                            selectedFile = GetFileFromDialog(msg, FileDialogFilter);
+                        }
+                        else
+                        {
+                            // User selected no, break the loop
+                            break;
+                        }
+                    }
+
+                    if (!string.IsNullOrEmpty(selectedFile))
+                    {
+                        PluginsSettingsFilePath = selectedFile;
+                    }
+                    else
+                    {
+                        InstallEnvironment();
+                    }
+                }
             }
             else
             {
@@ -85,7 +119,7 @@ namespace Flow.Launcher.Core.ExternalPlugins.Environments
             }
             else
             {
-                API.ShowMsgBox(string.Format(InternationalizationManager.Instance.GetTranslation("runtimePluginUnableToSetExecutablePath"), Language));
+                API.ShowMsgBox(string.Format(API.GetTranslation("runtimePluginUnableToSetExecutablePath"), Language));
                 Log.Error("PluginsLoader",
                     $"Not able to successfully set {EnvName} path, setting's plugin executable path variable is still an empty string.",
                     $"{Language}Environment");
@@ -98,13 +132,11 @@ namespace Flow.Launcher.Core.ExternalPlugins.Environments
 
         private void EnsureLatestInstalled(string expectedPath, string currentPath, string installedDirPath)
         {
-            if (expectedPath == currentPath)
-                return;
+            if (expectedPath == currentPath) return;
 
             FilesFolders.RemoveFolderIfExists(installedDirPath, (s) => API.ShowMsgBox(s));
 
             InstallEnvironment();
-
         }
 
         internal abstract PluginPair CreatePluginPair(string filePath, PluginMetadata metadata);
@@ -116,13 +148,16 @@ namespace Flow.Launcher.Core.ExternalPlugins.Environments
             foreach (var metadata in PluginMetadataList)
             {
                 if (metadata.Language.Equals(languageToSet, StringComparison.OrdinalIgnoreCase))
+                {
+                    metadata.AssemblyName = string.Empty;
                     pluginPairs.Add(CreatePluginPair(filePath, metadata));
+                }
             }
 
             return pluginPairs;
         }
 
-        private string GetFileFromDialog(string title, string filter = "")
+        private static string GetFileFromDialog(string title, string filter = "")
         {
             var dlg = new OpenFileDialog
             {
@@ -136,7 +171,6 @@ namespace Flow.Launcher.Core.ExternalPlugins.Environments
 
             var result = dlg.ShowDialog();
             return result == DialogResult.OK ? dlg.FileName : string.Empty;
-
         }
 
         /// <summary>
@@ -179,31 +213,33 @@ namespace Flow.Launcher.Core.ExternalPlugins.Environments
             else
             {
                 if (IsUsingPortablePath(settings.PluginSettings.PythonExecutablePath, DataLocation.PythonEnvironmentName))
+                {
                     settings.PluginSettings.PythonExecutablePath
                         = GetUpdatedEnvironmentPath(settings.PluginSettings.PythonExecutablePath);
+                }
 
                 if (IsUsingPortablePath(settings.PluginSettings.NodeExecutablePath, DataLocation.NodeEnvironmentName))
+                {
                     settings.PluginSettings.NodeExecutablePath
                         = GetUpdatedEnvironmentPath(settings.PluginSettings.NodeExecutablePath);
+                }
             }
         }
 
         private static bool IsUsingPortablePath(string filePath, string pluginEnvironmentName)
         {
-            if (string.IsNullOrEmpty(filePath))
-                return false;
+            if (string.IsNullOrEmpty(filePath)) return false;
 
             // DataLocation.PortableDataPath returns the current portable path, this determines if an out
             // of date path is also a portable path.
-            var portableAppEnvLocation = $"UserData\\{DataLocation.PluginEnvironments}\\{pluginEnvironmentName}";
+            var portableAppEnvLocation = Path.Combine("UserData", DataLocation.PluginEnvironments, pluginEnvironmentName);
 
             return filePath.Contains(portableAppEnvLocation);
         }
 
         private static bool IsUsingRoamingPath(string filePath)
         {
-            if (string.IsNullOrEmpty(filePath))
-                return false;
+            if (string.IsNullOrEmpty(filePath)) return false;
 
             return filePath.StartsWith(DataLocation.RoamingDataPath);
         }
@@ -213,8 +249,8 @@ namespace Flow.Launcher.Core.ExternalPlugins.Environments
             var index = filePath.IndexOf(DataLocation.PluginEnvironments);
             
             // get the substring after "Environments" because we can not determine it dynamically
-            var ExecutablePathSubstring = filePath.Substring(index + DataLocation.PluginEnvironments.Count());
-            return $"{DataLocation.PluginEnvironmentsPath}{ExecutablePathSubstring}";
+            var executablePathSubstring = filePath[(index + DataLocation.PluginEnvironments.Length)..];
+            return $"{DataLocation.PluginEnvironmentsPath}{executablePathSubstring}";
         }
     }
 }

Flow.Launcher.Core/ExternalPlugins/Environments/PythonEnvironment.cs

@@ -1,10 +1,10 @@
-using Droplex;
+using System.Collections.Generic;
+using System.IO;
+using Droplex;
 using Flow.Launcher.Core.Plugin;
 using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.Plugin;
 using Flow.Launcher.Plugin.SharedCommands;
-using System.Collections.Generic;
-using System.IO;
 
 namespace Flow.Launcher.Core.ExternalPlugins.Environments
 {
@@ -22,7 +22,11 @@ namespace Flow.Launcher.Core.ExternalPlugins.Environments
 
         internal override string FileDialogFilter => "Python|pythonw.exe";
 
-        internal override string PluginsSettingsFilePath { get => PluginSettings.PythonExecutablePath; set => PluginSettings.PythonExecutablePath = value; }
+        internal override string PluginsSettingsFilePath
+        {
+            get => PluginSettings.PythonExecutablePath;
+            set => PluginSettings.PythonExecutablePath = value;
+        }
 
         internal PythonEnvironment(List<PluginMetadata> pluginMetadataList, PluginsSettings pluginSettings) : base(pluginMetadataList, pluginSettings) { }
 

Flow.Launcher.Core/ExternalPlugins/Environments/TypeScriptEnvironment.cs

@@ -1,10 +1,10 @@
 using System.Collections.Generic;
-using Droplex;
-using Flow.Launcher.Infrastructure.UserSettings;
-using Flow.Launcher.Plugin.SharedCommands;
-using Flow.Launcher.Plugin;
 using System.IO;
+using Droplex;
 using Flow.Launcher.Core.Plugin;
+using Flow.Launcher.Infrastructure.UserSettings;
+using Flow.Launcher.Plugin;
+using Flow.Launcher.Plugin.SharedCommands;
 
 namespace Flow.Launcher.Core.ExternalPlugins.Environments
 {
@@ -19,7 +19,11 @@ namespace Flow.Launcher.Core.ExternalPlugins.Environments
         internal override string InstallPath => Path.Combine(EnvPath, "Node-v16.18.0");
         internal override string ExecutablePath => Path.Combine(InstallPath, "node-v16.18.0-win-x64\\node.exe");
 
-        internal override string PluginsSettingsFilePath { get => PluginSettings.NodeExecutablePath; set => PluginSettings.NodeExecutablePath = value; }
+        internal override string PluginsSettingsFilePath
+        {
+            get => PluginSettings.NodeExecutablePath;
+            set => PluginSettings.NodeExecutablePath = value;
+        }
 
         internal TypeScriptEnvironment(List<PluginMetadata> pluginMetadataList, PluginsSettings pluginSettings) : base(pluginMetadataList, pluginSettings) { }
 

Flow.Launcher.Core/ExternalPlugins/Environments/TypeScriptV2Environment.cs

@@ -1,10 +1,10 @@
 using System.Collections.Generic;
-using Droplex;
-using Flow.Launcher.Infrastructure.UserSettings;
-using Flow.Launcher.Plugin.SharedCommands;
-using Flow.Launcher.Plugin;
 using System.IO;
+using Droplex;
 using Flow.Launcher.Core.Plugin;
+using Flow.Launcher.Infrastructure.UserSettings;
+using Flow.Launcher.Plugin;
+using Flow.Launcher.Plugin.SharedCommands;
 
 namespace Flow.Launcher.Core.ExternalPlugins.Environments
 {
@@ -19,7 +19,11 @@ namespace Flow.Launcher.Core.ExternalPlugins.Environments
         internal override string InstallPath => Path.Combine(EnvPath, "Node-v16.18.0");
         internal override string ExecutablePath => Path.Combine(InstallPath, "node-v16.18.0-win-x64\\node.exe");
 
-        internal override string PluginsSettingsFilePath { get => PluginSettings.NodeExecutablePath; set => PluginSettings.NodeExecutablePath = value; }
+        internal override string PluginsSettingsFilePath
+        {
+            get => PluginSettings.NodeExecutablePath;
+            set => PluginSettings.NodeExecutablePath = value;
+        }
 
         internal TypeScriptV2Environment(List<PluginMetadata> pluginMetadataList, PluginsSettings pluginSettings) : base(pluginMetadataList, pluginSettings) { }
 

Flow.Launcher.Core/Plugin/JsonRPCPlugin.cs

@@ -1,28 +1,16 @@
 using Flow.Launcher.Core.Resource;
-using Flow.Launcher.Infrastructure;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
-using System.Linq;
 using System.Text;
 using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
 using Flow.Launcher.Infrastructure.Logger;
-using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.Plugin;
 using Microsoft.IO;
 using System.Windows;
-using System.Windows.Controls;
-using YamlDotNet.Serialization;
-using YamlDotNet.Serialization.NamingConventions;
-using CheckBox = System.Windows.Controls.CheckBox;
-using Control = System.Windows.Controls.Control;
-using Orientation = System.Windows.Controls.Orientation;
-using TextBox = System.Windows.Controls.TextBox;
-using UserControl = System.Windows.Controls.UserControl;
-using System.Windows.Documents;
 
 namespace Flow.Launcher.Core.Plugin
 {
@@ -42,7 +30,7 @@ namespace Flow.Launcher.Core.Plugin
         private int RequestId { get; set; }
 
         private string SettingConfigurationPath => Path.Combine(Context.CurrentPluginMetadata.PluginDirectory, "SettingsTemplate.yaml");
-        private string SettingPath => Path.Combine(DataLocation.PluginSettingsDirectory, Context.CurrentPluginMetadata.Name, "Settings.json");
+        private string SettingPath => Path.Combine(Context.CurrentPluginMetadata.PluginSettingsDirectoryPath, "Settings.json");
 
         public override List<Result> LoadContextMenus(Result selectedResult)
         {

Flow.Launcher.Core/Plugin/JsonRPCPluginBase.cs

@@ -1,32 +1,15 @@
 using Flow.Launcher.Core.Resource;
-using Flow.Launcher.Infrastructure;
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.IO;
 using System.Linq;
-using System.Text;
 using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
-using Flow.Launcher.Infrastructure.Logger;
-using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.Plugin;
-using Microsoft.IO;
-using System.Windows;
-using System.Windows.Controls;
 using YamlDotNet.Serialization;
 using YamlDotNet.Serialization.NamingConventions;
-using CheckBox = System.Windows.Controls.CheckBox;
 using Control = System.Windows.Controls.Control;
-using Orientation = System.Windows.Controls.Orientation;
-using TextBox = System.Windows.Controls.TextBox;
-using UserControl = System.Windows.Controls.UserControl;
-using System.Windows.Documents;
-using static System.Windows.Forms.LinkLabel;
-using Droplex;
-using System.Windows.Forms;
-using Microsoft.VisualStudio.Threading;
 
 namespace Flow.Launcher.Core.Plugin
 {
@@ -44,8 +27,7 @@ namespace Flow.Launcher.Core.Plugin
         private string SettingConfigurationPath =>
             Path.Combine(Context.CurrentPluginMetadata.PluginDirectory, "SettingsTemplate.yaml");
 
-        private string SettingDirectory => Path.Combine(DataLocation.PluginSettingsDirectory,
-            Context.CurrentPluginMetadata.Name);
+        private string SettingDirectory => Context.CurrentPluginMetadata.PluginSettingsDirectoryPath;
 
         private string SettingPath => Path.Combine(SettingDirectory, "Settings.json");
 
@@ -166,13 +148,5 @@ namespace Flow.Launcher.Core.Plugin
         {
             return Settings.CreateSettingPanel();
         }
-
-        public void DeletePluginSettingsDirectory()
-        {
-            if (Directory.Exists(SettingDirectory))
-            {
-                Directory.Delete(SettingDirectory, true);
-            }
-        }
     }
 }

Flow.Launcher.Core/Plugin/JsonRPCPluginSettings.cs

@@ -1,18 +1,14 @@
 using System.Collections.Concurrent;
 using System.Collections.Generic;
+using System.Text.Json;
 using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Documents;
-using System.Windows.Forms;
 using Flow.Launcher.Infrastructure.Storage;
 using Flow.Launcher.Plugin;
-using CheckBox = System.Windows.Controls.CheckBox;
-using ComboBox = System.Windows.Controls.ComboBox;
-using Control = System.Windows.Controls.Control;
-using Orientation = System.Windows.Controls.Orientation;
-using TextBox = System.Windows.Controls.TextBox;
-using UserControl = System.Windows.Controls.UserControl;
+
+#nullable enable
 
 namespace Flow.Launcher.Core.Plugin
 {
@@ -23,51 +19,72 @@ namespace Flow.Launcher.Core.Plugin
         public required string SettingPath { get; init; }
         public Dictionary<string, FrameworkElement> SettingControls { get; } = new();
 
-        public IReadOnlyDictionary<string, object> Inner => Settings;
-        protected ConcurrentDictionary<string, object> Settings { get; set; }
+        public IReadOnlyDictionary<string, object?> Inner => Settings;
+        protected ConcurrentDictionary<string, object?> Settings { get; set; } = null!;
         public required IPublicAPI API { get; init; }
 
-        private JsonStorage<ConcurrentDictionary<string, object>> _storage;
+        private JsonStorage<ConcurrentDictionary<string, object?>> _storage = null!;
 
-        // maybe move to resource?
-        private static readonly Thickness settingControlMargin = new(0, 9, 18, 9);
-        private static readonly Thickness settingCheckboxMargin = new(0, 9, 9, 9);
-        private static readonly Thickness settingPanelMargin = new(0, 0, 0, 0);
-        private static readonly Thickness settingTextBlockMargin = new(70, 9, 18, 9);
-        private static readonly Thickness settingLabelPanelMargin = new(70, 9, 18, 9);
-        private static readonly Thickness settingLabelMargin = new(0, 0, 0, 0);
-        private static readonly Thickness settingDescMargin = new(0, 2, 0, 0);
-        private static readonly Thickness settingSepMargin = new(0, 0, 0, 2);
+        private static readonly Thickness SettingPanelMargin = (Thickness)Application.Current.FindResource("SettingPanelMargin");
+        private static readonly Thickness SettingPanelItemLeftMargin = (Thickness)Application.Current.FindResource("SettingPanelItemLeftMargin");
+        private static readonly Thickness SettingPanelItemTopBottomMargin = (Thickness)Application.Current.FindResource("SettingPanelItemTopBottomMargin");
+        private static readonly Thickness SettingPanelItemLeftTopBottomMargin = (Thickness)Application.Current.FindResource("SettingPanelItemLeftTopBottomMargin");
+        private static readonly double SettingPanelTextBoxMinWidth = (double)Application.Current.FindResource("SettingPanelTextBoxMinWidth");
+        private static readonly double SettingPanelPathTextBoxWidth = (double)Application.Current.FindResource("SettingPanelPathTextBoxWidth");
+        private static readonly double SettingPanelAreaTextBoxMinHeight = (double)Application.Current.FindResource("SettingPanelAreaTextBoxMinHeight");
 
         public async Task InitializeAsync()
         {
-            _storage = new JsonStorage<ConcurrentDictionary<string, object>>(SettingPath);
-            Settings = await _storage.LoadAsync();
-
-            if (Configuration == null)
+            if (Settings == null)
             {
-                return;
+                _storage = new JsonStorage<ConcurrentDictionary<string, object?>>(SettingPath);
+                Settings = await _storage.LoadAsync();
+
+                // Because value type of settings dictionary is object which causes them to be JsonElement when loading from json files,
+                // we need to convert it to the correct type
+                foreach (var (key, value) in Settings)
+                {
+                    if (value is not JsonElement jsonElement) continue;
+
+                    Settings[key] = jsonElement.ValueKind switch
+                    {
+                        JsonValueKind.String => jsonElement.GetString() ?? value,
+                        JsonValueKind.True => jsonElement.GetBoolean(),
+                        JsonValueKind.False => jsonElement.GetBoolean(),
+                        JsonValueKind.Null => null,
+                        _ => value
+                    };
+                }
             }
 
+            if (Configuration == null) return;
+
             foreach (var (type, attributes) in Configuration.Body)
             {
-                if (attributes.Name == null)
-                {
-                    continue;
-                }
+                // Skip if the setting does not have attributes or name
+                if (attributes?.Name == null) continue;
 
-                if (!Settings.ContainsKey(attributes.Name))
+                // Skip if the setting does not have attributes or name
+                if (!NeedSaveInSettings(type)) continue;
+
+                // If need save in settings, we need to make sure the setting exists in the settings file
+                if (Settings.ContainsKey(attributes.Name)) continue;
+
+                if (type == "checkbox")
+                {
+                    // If can parse the default value to bool, use it, otherwise use false
+                    Settings[attributes.Name] = bool.TryParse(attributes.DefaultValue, out var value) && value;
+                }
+                else
                 {
                     Settings[attributes.Name] = attributes.DefaultValue;
                 }
             }
         }
 
-
         public void UpdateSettings(IReadOnlyDictionary<string, object> settings)
         {
-            if (settings == null || settings.Count == 0)
-                return;
+            if (settings == null || settings.Count == 0) return;
 
             foreach (var (key, value) in settings)
             {
@@ -78,19 +95,23 @@ namespace Flow.Launcher.Core.Plugin
                     switch (control)
                     {
                         case TextBox textBox:
-                            textBox.Dispatcher.Invoke(() => textBox.Text = value as string ?? string.Empty);
+                            var text = value as string ?? string.Empty;
+                            textBox.Dispatcher.Invoke(() => textBox.Text = text);
                             break;
                         case PasswordBox passwordBox:
-                            passwordBox.Dispatcher.Invoke(() => passwordBox.Password = value as string ?? string.Empty);
+                            var password = value as string ?? string.Empty;
+                            passwordBox.Dispatcher.Invoke(() => passwordBox.Password = password);
                             break;
                         case ComboBox comboBox:
                             comboBox.Dispatcher.Invoke(() => comboBox.SelectedItem = value);
                             break;
                         case CheckBox checkBox:
-                            checkBox.Dispatcher.Invoke(() =>
-                                checkBox.IsChecked = value is bool isChecked
-                                    ? isChecked
-                                    : bool.Parse(value as string ?? string.Empty));
+                            var isChecked = value is bool boolValue
+                                ? boolValue
+                                // If can parse the default value to bool, use it, otherwise use false
+                                : value is string stringValue && bool.TryParse(stringValue, out var boolValueFromString)
+                                    && boolValueFromString;
+                            checkBox.Dispatcher.Invoke(() =>checkBox.IsChecked = isChecked);
                             break;
                     }
                 }
@@ -108,7 +129,7 @@ namespace Flow.Launcher.Core.Plugin
         {
             _storage.Save();
         }
-
+        
         public bool NeedCreateSettingPanel()
         {
             // If there are no settings or the settings configuration is empty, return null
@@ -118,329 +139,350 @@ namespace Flow.Launcher.Core.Plugin
         public Control CreateSettingPanel()
         {
             // No need to check if NeedCreateSettingPanel is true because CreateSettingPanel will only be called if it's true
+            // if (!NeedCreateSettingPanel()) return null;
 
-            var settingWindow = new UserControl();
-            var mainPanel = new Grid { Margin = settingPanelMargin, VerticalAlignment = VerticalAlignment.Center };
-
-            ColumnDefinition gridCol1 = new ColumnDefinition();
-            ColumnDefinition gridCol2 = new ColumnDefinition();
-
-            gridCol1.Width = new GridLength(70, GridUnitType.Star);
-            gridCol2.Width = new GridLength(30, GridUnitType.Star);
-            mainPanel.ColumnDefinitions.Add(gridCol1);
-            mainPanel.ColumnDefinitions.Add(gridCol2);
-            settingWindow.Content = mainPanel;
-            int rowCount = 0;
-
-            foreach (var (type, attribute) in Configuration.Body)
+            // Create main grid with two columns (Column 1: Auto, Column 2: *)
+            var mainPanel = new Grid { Margin = SettingPanelMargin, VerticalAlignment = VerticalAlignment.Center };
+            mainPanel.ColumnDefinitions.Add(new ColumnDefinition()
             {
-                Separator sep = new Separator();
-                sep.VerticalAlignment = VerticalAlignment.Top;
-                sep.Margin = settingSepMargin;
-                sep.SetResourceReference(Separator.BackgroundProperty, "Color03B"); /* for theme change */
-                var panel = new StackPanel
+                Width = new GridLength(0, GridUnitType.Auto)
+            });
+            mainPanel.ColumnDefinitions.Add(new ColumnDefinition()
+            {
+                Width = new GridLength(1, GridUnitType.Star)
+            });
+
+            // Iterate over each setting and create one row for it
+            var rowCount = 0;
+            foreach (var (type, attributes) in Configuration!.Body)
+            {
+                // Skip if the setting does not have attributes or name
+                if (attributes?.Name == null) continue;
+
+                // Add a new row to the main grid
+                mainPanel.RowDefinitions.Add(new RowDefinition()
                 {
-                    Orientation = Orientation.Vertical,
-                    VerticalAlignment = VerticalAlignment.Center,
-                    Margin = settingLabelPanelMargin
-                };
-
-                RowDefinition gridRow = new RowDefinition();
-                mainPanel.RowDefinitions.Add(gridRow);
-                var name = new TextBlock()
-                {
-                    Text = attribute.Label,
-                    VerticalAlignment = VerticalAlignment.Center,
-                    Margin = settingLabelMargin,
-                    TextWrapping = TextWrapping.WrapWithOverflow
-                };
-
-                var desc = new TextBlock()
-                {
-                    Text = attribute.Description,
-                    FontSize = 12,
-                    VerticalAlignment = VerticalAlignment.Center,
-                    Margin = settingDescMargin,
-                    TextWrapping = TextWrapping.WrapWithOverflow
-                };
-
-                desc.SetResourceReference(TextBlock.ForegroundProperty, "Color04B");
-
-                if (attribute.Description == null) /* if no description, hide */
-                    desc.Visibility = Visibility.Collapsed;
-
-
-                if (type != "textBlock") /* if textBlock, hide desc */
-                {
-                    panel.Children.Add(name);
-                    panel.Children.Add(desc);
-                }
-
-
-                Grid.SetColumn(panel, 0);
-                Grid.SetRow(panel, rowCount);
+                    Height = new GridLength(0, GridUnitType.Auto)
+                });
 
+                // State controls for column 0 and 1
+                StackPanel? panel = null;
                 FrameworkElement contentControl;
 
+                // If the type is textBlock, separator, or checkbox, we do not need to create a panel
+                if (type != "textBlock" && type != "separator" && type != "checkbox")
+                {
+                    // Create a panel to hold the label and description
+                    panel = new StackPanel
+                    {
+                        Margin = SettingPanelItemTopBottomMargin,
+                        Orientation = Orientation.Vertical,
+                        VerticalAlignment = VerticalAlignment.Center
+                    };
+
+                    // Create a text block for name
+                    var name = new TextBlock()
+                    {
+                        Text = attributes.Label,
+                        VerticalAlignment = VerticalAlignment.Center,
+                        TextWrapping = TextWrapping.WrapWithOverflow
+                    };
+
+                    // Create a text block for description
+                    TextBlock? desc = null;
+                    if (attributes.Description != null)
+                    {
+                        desc = new TextBlock()
+                        {
+                            Text = attributes.Description,
+                            VerticalAlignment = VerticalAlignment.Center,
+                            TextWrapping = TextWrapping.WrapWithOverflow
+                        };
+
+                        desc.SetResourceReference(TextBlock.StyleProperty, "SettingPanelTextBlockDescriptionStyle"); // for theme change
+                    }
+
+                    // Add the name and description to the panel
+                    panel.Children.Add(name);
+                    if (desc != null) panel.Children.Add(desc);
+                }
+
                 switch (type)
                 {
                     case "textBlock":
-                    {
-                        contentControl = new TextBlock
                         {
-                            Text = attribute.Description.Replace("\\r\\n", "\r\n"),
-                            Margin = settingTextBlockMargin,
-                            Padding = new Thickness(0, 0, 0, 0),
-                            HorizontalAlignment = System.Windows.HorizontalAlignment.Left,
-                            TextAlignment = TextAlignment.Left,
-                            TextWrapping = TextWrapping.Wrap
-                        };
+                            contentControl = new TextBlock
+                            {
+                                Text = attributes.Description?.Replace("\\r\\n", "\r\n") ?? string.Empty,
+                                HorizontalAlignment = HorizontalAlignment.Left,
+                                VerticalAlignment = VerticalAlignment.Center,
+                                Margin = SettingPanelItemTopBottomMargin,
+                                TextAlignment = TextAlignment.Left,
+                                TextWrapping = TextWrapping.Wrap
+                            };
 
-                        Grid.SetColumn(contentControl, 0);
-                        Grid.SetColumnSpan(contentControl, 2);
-                        Grid.SetRow(contentControl, rowCount);
-                        if (rowCount != 0)
-                            mainPanel.Children.Add(sep);
-
-                        Grid.SetRow(sep, rowCount);
-                        Grid.SetColumn(sep, 0);
-                        Grid.SetColumnSpan(sep, 2);
-
-                        break;
-                    }
+                            break;
+                        }
                     case "input":
-                    {
-                        var textBox = new TextBox()
                         {
-                            Text = Settings[attribute.Name] as string ?? string.Empty,
-                            Margin = settingControlMargin,
-                            HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch,
-                            ToolTip = attribute.Description
-                        };
+                            var textBox = new TextBox()
+                            {
+                                MinWidth = SettingPanelTextBoxMinWidth,
+                                HorizontalAlignment = HorizontalAlignment.Left,
+                                VerticalAlignment = VerticalAlignment.Center,
+                                Margin = SettingPanelItemLeftTopBottomMargin,
+                                Text = Settings[attributes.Name] as string ?? string.Empty,
+                                ToolTip = attributes.Description
+                            };
 
-                        textBox.TextChanged += (_, _) =>
-                        {
-                            Settings[attribute.Name] = textBox.Text;
-                        };
+                            textBox.TextChanged += (_, _) =>
+                            {
+                                Settings[attributes.Name] = textBox.Text;
+                            };
 
-                        contentControl = textBox;
-                        Grid.SetColumn(contentControl, 1);
-                        Grid.SetRow(contentControl, rowCount);
-                        if (rowCount != 0)
-                            mainPanel.Children.Add(sep);
+                            contentControl = textBox;
 
-                        Grid.SetRow(sep, rowCount);
-                        Grid.SetColumn(sep, 0);
-                        Grid.SetColumnSpan(sep, 2);
-
-                        break;
-                    }
+                            break;
+                        }
                     case "inputWithFileBtn":
                     case "inputWithFolderBtn":
-                    {
-                        var textBox = new TextBox()
                         {
-                            Margin = new Thickness(10, 0, 0, 0),
-                            Text = Settings[attribute.Name] as string ?? string.Empty,
-                            HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch,
-                            ToolTip = attribute.Description
-                        };
-
-                        textBox.TextChanged += (_, _) =>
-                        {
-                            Settings[attribute.Name] = textBox.Text;
-                        };
-
-                        var Btn = new System.Windows.Controls.Button()
-                        {
-                            Margin = new Thickness(10, 0, 0, 0), Content = "Browse"
-                        };
-
-                        Btn.Click += (_, _) =>
-                        {
-                            using CommonDialog dialog = type switch
+                            var textBox = new TextBox()
                             {
-                                "inputWithFolderBtn" => new FolderBrowserDialog(),
-                                _ => new OpenFileDialog(),
+                                Width = SettingPanelPathTextBoxWidth,
+                                HorizontalAlignment = HorizontalAlignment.Left,
+                                VerticalAlignment = VerticalAlignment.Center,
+                                Margin = SettingPanelItemLeftMargin,
+                                Text = Settings[attributes.Name] as string ?? string.Empty,
+                                ToolTip = attributes.Description
                             };
-                            if (dialog.ShowDialog() != DialogResult.OK) return;
 
-                            var path = dialog switch
+                            textBox.TextChanged += (_, _) =>
                             {
-                                FolderBrowserDialog folderDialog => folderDialog.SelectedPath,
-                                OpenFileDialog fileDialog => fileDialog.FileName,
+                                Settings[attributes.Name] = textBox.Text;
                             };
-                            textBox.Text = path;
-                            Settings[attribute.Name] = path;
-                        };
 
-                        var dockPanel = new DockPanel() { Margin = settingControlMargin };
+                            var Btn = new Button()
+                            {
+                                HorizontalAlignment = HorizontalAlignment.Left,
+                                VerticalAlignment = VerticalAlignment.Center,
+                                Margin = SettingPanelItemLeftMargin,
+                                Content = API.GetTranslation("select")
+                            };
 
-                        DockPanel.SetDock(Btn, Dock.Right);
-                        dockPanel.Children.Add(Btn);
-                        dockPanel.Children.Add(textBox);
-                        contentControl = dockPanel;
-                        Grid.SetColumn(contentControl, 1);
-                        Grid.SetRow(contentControl, rowCount);
-                        if (rowCount != 0)
-                            mainPanel.Children.Add(sep);
+                            Btn.Click += (_, _) =>
+                            {
+                                using System.Windows.Forms.CommonDialog dialog = type switch
+                                {
+                                    "inputWithFolderBtn" => new System.Windows.Forms.FolderBrowserDialog(),
+                                    _ => new System.Windows.Forms.OpenFileDialog(),
+                                };
 
-                        Grid.SetRow(sep, rowCount);
-                        Grid.SetColumn(sep, 0);
-                        Grid.SetColumnSpan(sep, 2);
+                                if (dialog.ShowDialog() != System.Windows.Forms.DialogResult.OK)
+                                {
+                                    return;
+                                }
 
-                        break;
-                    }
+                                var path = dialog switch
+                                {
+                                    System.Windows.Forms.FolderBrowserDialog folderDialog => folderDialog.SelectedPath,
+                                    System.Windows.Forms.OpenFileDialog fileDialog => fileDialog.FileName,
+                                    _ => throw new System.NotImplementedException()
+                                };
+
+                                textBox.Text = path;
+                                Settings[attributes.Name] = path;
+                            };
+
+                            var stackPanel = new StackPanel()
+                            {
+                                HorizontalAlignment = HorizontalAlignment.Left,
+                                VerticalAlignment = VerticalAlignment.Center,
+                                Margin = SettingPanelItemTopBottomMargin,
+                                Orientation = Orientation.Horizontal
+                            };
+
+                            // Create a stack panel to wrap the button and text box
+                            stackPanel.Children.Add(textBox);
+                            stackPanel.Children.Add(Btn);
+
+                            contentControl = stackPanel;
+
+                            break;
+                        }
                     case "textarea":
-                    {
-                        var textBox = new TextBox()
                         {
-                            Height = 120,
-                            Margin = settingControlMargin,
-                            VerticalAlignment = VerticalAlignment.Center,
-                            TextWrapping = TextWrapping.WrapWithOverflow,
-                            AcceptsReturn = true,
-                            HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch,
-                            Text = Settings[attribute.Name] as string ?? string.Empty,
-                            ToolTip = attribute.Description
-                        };
+                            var textBox = new TextBox()
+                            {
+                                MinHeight = SettingPanelAreaTextBoxMinHeight,
+                                HorizontalAlignment = HorizontalAlignment.Stretch,
+                                VerticalAlignment = VerticalAlignment.Center,
+                                Margin = SettingPanelItemLeftTopBottomMargin,
+                                TextWrapping = TextWrapping.WrapWithOverflow,
+                                AcceptsReturn = true,
+                                Text = Settings[attributes.Name] as string ?? string.Empty,
+                                ToolTip = attributes.Description
+                            };
 
-                        textBox.TextChanged += (sender, _) =>
-                        {
-                            Settings[attribute.Name] = ((TextBox)sender).Text;
-                        };
+                            textBox.TextChanged += (sender, _) =>
+                            {
+                                Settings[attributes.Name] = ((TextBox)sender).Text;
+                            };
 
-                        contentControl = textBox;
-                        Grid.SetColumn(contentControl, 1);
-                        Grid.SetRow(contentControl, rowCount);
-                        if (rowCount != 0)
-                            mainPanel.Children.Add(sep);
+                            contentControl = textBox;
 
-                        Grid.SetRow(sep, rowCount);
-                        Grid.SetColumn(sep, 0);
-                        Grid.SetColumnSpan(sep, 2);
-
-                        break;
-                    }
+                            break;
+                        }
                     case "passwordBox":
-                    {
-                        var passwordBox = new PasswordBox()
                         {
-                            Margin = settingControlMargin,
-                            Password = Settings[attribute.Name] as string ?? string.Empty,
-                            PasswordChar = attribute.passwordChar == default ? '*' : attribute.passwordChar,
-                            HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch,
-                            ToolTip = attribute.Description
-                        };
+                            var passwordBox = new PasswordBox()
+                            {
+                                MinWidth = SettingPanelTextBoxMinWidth,
+                                HorizontalAlignment = HorizontalAlignment.Left,
+                                VerticalAlignment = VerticalAlignment.Center,
+                                Margin = SettingPanelItemLeftTopBottomMargin,
+                                Password = Settings[attributes.Name] as string ?? string.Empty,
+                                PasswordChar = attributes.passwordChar == default ? '*' : attributes.passwordChar,
+                                ToolTip = attributes.Description,
+                            };
 
-                        passwordBox.PasswordChanged += (sender, _) =>
-                        {
-                            Settings[attribute.Name] = ((PasswordBox)sender).Password;
-                        };
+                            passwordBox.PasswordChanged += (sender, _) =>
+                            {
+                                Settings[attributes.Name] = ((PasswordBox)sender).Password;
+                            };
 
-                        contentControl = passwordBox;
-                        Grid.SetColumn(contentControl, 1);
-                        Grid.SetRow(contentControl, rowCount);
-                        if (rowCount != 0)
-                            mainPanel.Children.Add(sep);
+                            contentControl = passwordBox;
 
-                        Grid.SetRow(sep, rowCount);
-                        Grid.SetColumn(sep, 0);
-                        Grid.SetColumnSpan(sep, 2);
-
-                        break;
-                    }
+                            break;
+                        }
                     case "dropdown":
-                    {
-                        var comboBox = new System.Windows.Controls.ComboBox()
                         {
-                            ItemsSource = attribute.Options,
-                            SelectedItem = Settings[attribute.Name],
-                            Margin = settingControlMargin,
-                            HorizontalAlignment = System.Windows.HorizontalAlignment.Right,
-                            ToolTip = attribute.Description
-                        };
+                            var comboBox = new ComboBox()
+                            {
+                                ItemsSource = attributes.Options,
+                                SelectedItem = Settings[attributes.Name],
+                                HorizontalAlignment = HorizontalAlignment.Left,
+                                VerticalAlignment = VerticalAlignment.Center,
+                                Margin = SettingPanelItemLeftTopBottomMargin,
+                                ToolTip = attributes.Description
+                            };
 
-                        comboBox.SelectionChanged += (sender, _) =>
-                        {
-                            Settings[attribute.Name] = (string)((System.Windows.Controls.ComboBox)sender).SelectedItem;
-                        };
+                            comboBox.SelectionChanged += (sender, _) =>
+                            {
+                                Settings[attributes.Name] = (string)((ComboBox)sender).SelectedItem;
+                            };
 
-                        contentControl = comboBox;
-                        Grid.SetColumn(contentControl, 1);
-                        Grid.SetRow(contentControl, rowCount);
-                        if (rowCount != 0)
-                            mainPanel.Children.Add(sep);
+                            contentControl = comboBox;
 
-                        Grid.SetRow(sep, rowCount);
-                        Grid.SetColumn(sep, 0);
-                        Grid.SetColumnSpan(sep, 2);
-
-                        break;
-                    }
+                            break;
+                        }
                     case "checkbox":
-                        var checkBox = new CheckBox
                         {
-                            IsChecked =
-                                Settings[attribute.Name] is bool isChecked
+                            // If can parse the default value to bool, use it, otherwise use false
+                            var defaultValue = bool.TryParse(attributes.DefaultValue, out var value) && value;
+                            var checkBox = new CheckBox
+                            {
+                                IsChecked =
+                                Settings[attributes.Name] is bool isChecked
                                     ? isChecked
-                                    : bool.Parse(attribute.DefaultValue),
-                            Margin = settingCheckboxMargin,
-                            HorizontalAlignment = System.Windows.HorizontalAlignment.Right,
-                            ToolTip = attribute.Description
-                        };
+                                    : defaultValue,
+                                HorizontalAlignment = HorizontalAlignment.Left,
+                                VerticalAlignment = VerticalAlignment.Center,
+                                Margin = SettingPanelItemTopBottomMargin,
+                                Content = attributes.Label,
+                                ToolTip = attributes.Description
+                            };
 
-                        checkBox.Click += (sender, _) =>
-                        {
-                            Settings[attribute.Name] = ((CheckBox)sender).IsChecked;
-                        };
+                            checkBox.Click += (sender, _) =>
+                            {
+                                Settings[attributes.Name] = ((CheckBox)sender).IsChecked ?? defaultValue;
+                            };
 
-                        contentControl = checkBox;
-                        Grid.SetColumn(contentControl, 1);
-                        Grid.SetRow(contentControl, rowCount);
-                        if (rowCount != 0)
-                            mainPanel.Children.Add(sep);
+                            contentControl = checkBox;
 
-                        Grid.SetRow(sep, rowCount);
-                        Grid.SetColumn(sep, 0);
-                        Grid.SetColumnSpan(sep, 2);
-
-                        break;
+                            break;
+                        }
                     case "hyperlink":
-                        var hyperlink = new Hyperlink { ToolTip = attribute.Description, NavigateUri = attribute.url };
-
-                        var linkbtn = new System.Windows.Controls.Button
                         {
-                            HorizontalAlignment = System.Windows.HorizontalAlignment.Right,
-                            Margin = settingControlMargin
-                        };
+                            var hyperlink = new Hyperlink
+                            {
+                                ToolTip = attributes.Description,
+                                NavigateUri = attributes.url
+                            };
 
-                        linkbtn.Content = attribute.urlLabel;
+                            hyperlink.Inlines.Add(attributes.urlLabel);
+                            hyperlink.RequestNavigate += (sender, e) =>
+                            {
+                                API.OpenUrl(e.Uri);
+                                e.Handled = true;
+                            };
 
-                        contentControl = linkbtn;
-                        Grid.SetColumn(contentControl, 1);
-                        Grid.SetRow(contentControl, rowCount);
-                        if (rowCount != 0)
-                            mainPanel.Children.Add(sep);
+                            var textBlock = new TextBlock()
+                            {
+                                HorizontalAlignment = HorizontalAlignment.Left,
+                                VerticalAlignment = VerticalAlignment.Center,
+                                Margin = SettingPanelItemLeftTopBottomMargin,
+                                TextAlignment = TextAlignment.Left,
+                                TextWrapping = TextWrapping.Wrap
+                            };
+                            textBlock.Inlines.Add(hyperlink);
 
-                        Grid.SetRow(sep, rowCount);
-                        Grid.SetColumn(sep, 0);
-                        Grid.SetColumnSpan(sep, 2);
+                            contentControl = textBlock;
 
-                        break;
+                            break;
+                        }
+                    case "separator":
+                        {
+                            var sep = new Separator();
+
+                            sep.SetResourceReference(Separator.StyleProperty, "SettingPanelSeparatorStyle");
+
+                            contentControl = sep;
+
+                            break;
+                        }
                     default:
                         continue;
                 }
 
-                if (type != "textBlock")
-                    SettingControls[attribute.Name] = contentControl;
+                // If type is textBlock or separator, we just add the content control to the main grid
+                if (panel == null)
+                {
+                    // Add the content control to the column 0, row rowCount and columnSpan 2 of the main grid
+                    mainPanel.Children.Add(contentControl);
+                    Grid.SetColumn(contentControl, 0);
+                    Grid.SetColumnSpan(contentControl, 2);
+                    Grid.SetRow(contentControl, rowCount);
+                }
+                else
+                {
+                    // Add the panel to the column 0 and row rowCount of the main grid
+                    mainPanel.Children.Add(panel);
+                    Grid.SetColumn(panel, 0);
+                    Grid.SetRow(panel, rowCount);
+
+                    // Add the content control to the column 1 and row rowCount of the main grid
+                    mainPanel.Children.Add(contentControl);
+                    Grid.SetColumn(contentControl, 1);
+                    Grid.SetRow(contentControl, rowCount);
+                }
+
+                // Add into SettingControls for settings storage if need
+                if (NeedSaveInSettings(type)) SettingControls[attributes.Name] = contentControl;
 
-                mainPanel.Children.Add(panel);
-                mainPanel.Children.Add(contentControl);
                 rowCount++;
             }
 
-            return settingWindow;
+            // Wrap the main grid in a user control
+            return new UserControl()
+            {
+                Content = mainPanel
+            };
+        }
+
+        private static bool NeedSaveInSettings(string type)
+        {
+            return type != "textBlock" && type != "separator" && type != "hyperlink";
         }
     }
 }

Flow.Launcher.Core/Plugin/PluginConfig.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.IO;
@@ -9,7 +9,6 @@ using System.Text.Json;
 
 namespace Flow.Launcher.Core.Plugin
 {
-
     internal abstract class PluginConfig
     {
         /// <summary>
@@ -112,7 +111,7 @@ namespace Flow.Launcher.Core.Plugin
                 metadata = JsonSerializer.Deserialize<PluginMetadata>(File.ReadAllText(configPath));
                 metadata.PluginDirectory = pluginDirectory;
                 // for plugins which doesn't has ActionKeywords key
-                metadata.ActionKeywords = metadata.ActionKeywords ?? new List<string> { metadata.ActionKeyword };
+                metadata.ActionKeywords ??= new List<string> { metadata.ActionKeyword };
                 // for plugin still use old ActionKeyword
                 metadata.ActionKeyword = metadata.ActionKeywords?[0];
             }
@@ -137,4 +136,4 @@ namespace Flow.Launcher.Core.Plugin
             return metadata;
         }
     }
-}
+}

Flow.Launcher.Core/Plugin/PluginManager.cs

@@ -1,20 +1,19 @@
-using Flow.Launcher.Core.ExternalPlugins;
-using System;
+using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
+using CommunityToolkit.Mvvm.DependencyInjection;
+using Flow.Launcher.Core.ExternalPlugins;
 using Flow.Launcher.Infrastructure;
 using Flow.Launcher.Infrastructure.Logger;
 using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.Plugin;
-using ISavable = Flow.Launcher.Plugin.ISavable;
 using Flow.Launcher.Plugin.SharedCommands;
-using System.Text.Json;
-using Flow.Launcher.Core.Resource;
-using CommunityToolkit.Mvvm.DependencyInjection;
+using ISavable = Flow.Launcher.Plugin.ISavable;
 
 namespace Flow.Launcher.Core.Plugin
 {
@@ -35,7 +34,7 @@ namespace Flow.Launcher.Core.Plugin
 
         private static PluginsSettings Settings;
         private static List<PluginMetadata> _metadatas;
-        private static List<string> _modifiedPlugins = new List<string>();
+        private static List<string> _modifiedPlugins = new();
 
         /// <summary>
         /// Directories that will hold Flow Launcher plugin directory
@@ -72,15 +71,20 @@ namespace Flow.Launcher.Core.Plugin
         {
             foreach (var pluginPair in AllPlugins)
             {
-                switch (pluginPair.Plugin)
-                {
-                    case IDisposable disposable:
-                        disposable.Dispose();
-                        break;
-                    case IAsyncDisposable asyncDisposable:
-                        await asyncDisposable.DisposeAsync();
-                        break;
-                }
+                await DisposePluginAsync(pluginPair);
+            }
+        }
+
+        private static async Task DisposePluginAsync(PluginPair pluginPair)
+        {
+            switch (pluginPair.Plugin)
+            {
+                case IDisposable disposable:
+                    disposable.Dispose();
+                    break;
+                case IAsyncDisposable asyncDisposable:
+                    await asyncDisposable.DisposeAsync();
+                    break;
             }
         }
 
@@ -155,6 +159,25 @@ namespace Flow.Launcher.Core.Plugin
             Settings = settings;
             Settings.UpdatePluginSettings(_metadatas);
             AllPlugins = PluginsLoader.Plugins(_metadatas, Settings);
+            // Since dotnet plugins need to get assembly name first, we should update plugin directory after loading plugins
+            UpdatePluginDirectory(_metadatas);
+        }
+
+        private static void UpdatePluginDirectory(List<PluginMetadata> metadatas)
+        {
+            foreach (var metadata in metadatas)
+            {
+                if (AllowedLanguage.IsDotNet(metadata.Language))
+                {
+                    metadata.PluginSettingsDirectoryPath = Path.Combine(DataLocation.PluginSettingsDirectory, metadata.AssemblyName);
+                    metadata.PluginCacheDirectoryPath = Path.Combine(DataLocation.PluginCacheDirectory, metadata.AssemblyName);
+                }
+                else
+                {
+                    metadata.PluginSettingsDirectoryPath = Path.Combine(DataLocation.PluginSettingsDirectory, metadata.Name);
+                    metadata.PluginCacheDirectoryPath = Path.Combine(DataLocation.PluginCacheDirectory, metadata.Name);
+                }
+            }
         }
 
         /// <summary>
@@ -205,9 +228,6 @@ namespace Flow.Launcher.Core.Plugin
                 }
             }
 
-            InternationalizationManager.Instance.AddPluginLanguageDirectories(GetPluginsForInterface<IPluginI18n>());
-            InternationalizationManager.Instance.ChangeLanguage(Ioc.Default.GetRequiredService<Settings>().Language);
-
             if (failedPlugins.Any())
             {
                 var failed = string.Join(",", failedPlugins.Select(x => x.Metadata.Name));
@@ -228,11 +248,9 @@ namespace Flow.Launcher.Core.Plugin
             if (query is null)
                 return Array.Empty<PluginPair>();
 
-            if (!NonGlobalPlugins.ContainsKey(query.ActionKeyword))
+            if (!NonGlobalPlugins.TryGetValue(query.ActionKeyword, out var plugin))
                 return GlobalPlugins;
 
-
-            var plugin = NonGlobalPlugins[query.ActionKeyword];
             return new List<PluginPair>
             {
                 plugin
@@ -367,7 +385,16 @@ namespace Flow.Launcher.Core.Plugin
                 NonGlobalPlugins[newActionKeyword] = plugin;
             }
 
+            // Update action keywords and action keyword in plugin metadata
             plugin.Metadata.ActionKeywords.Add(newActionKeyword);
+            if (plugin.Metadata.ActionKeywords.Count > 0)
+            {
+                plugin.Metadata.ActionKeyword = plugin.Metadata.ActionKeywords[0];
+            }
+            else
+            {
+                plugin.Metadata.ActionKeyword = string.Empty;
+            }
         }
 
         /// <summary>
@@ -388,16 +415,15 @@ namespace Flow.Launcher.Core.Plugin
             if (oldActionkeyword != Query.GlobalPluginWildcardSign)
                 NonGlobalPlugins.Remove(oldActionkeyword);
 
-
+            // Update action keywords and action keyword in plugin metadata
             plugin.Metadata.ActionKeywords.Remove(oldActionkeyword);
-        }
-
-        public static void ReplaceActionKeyword(string id, string oldActionKeyword, string newActionKeyword)
-        {
-            if (oldActionKeyword != newActionKeyword)
+            if (plugin.Metadata.ActionKeywords.Count > 0)
             {
-                AddActionKeyword(id, newActionKeyword);
-                RemoveActionKeyword(id, oldActionKeyword);
+                plugin.Metadata.ActionKeyword = plugin.Metadata.ActionKeywords[0];
+            }
+            else
+            {
+                plugin.Metadata.ActionKeyword = string.Empty;
             }
         }
 
@@ -438,10 +464,10 @@ namespace Flow.Launcher.Core.Plugin
         /// Update a plugin to new version, from a zip file. By default will remove the zip file if update is via url,
         /// unless it's a local path installation
         /// </summary>
-        public static void UpdatePlugin(PluginMetadata existingVersion, UserPlugin newVersion, string zipFilePath)
+        public static async Task UpdatePluginAsync(PluginMetadata existingVersion, UserPlugin newVersion, string zipFilePath)
         {
             InstallPlugin(newVersion, zipFilePath, checkModified:false);
-            UninstallPlugin(existingVersion, removePluginFromSettings:false, removePluginSettings:false, checkModified: false);
+            await UninstallPluginAsync(existingVersion, removePluginFromSettings:false, removePluginSettings:false, checkModified: false);
             _modifiedPlugins.Add(existingVersion.ID);
         }
 
@@ -456,9 +482,9 @@ namespace Flow.Launcher.Core.Plugin
         /// <summary>
         /// Uninstall a plugin.
         /// </summary>
-        public static void UninstallPlugin(PluginMetadata plugin, bool removePluginFromSettings = true, bool removePluginSettings = false)
+        public static async Task UninstallPluginAsync(PluginMetadata plugin, bool removePluginFromSettings = true, bool removePluginSettings = false)
         {
-            UninstallPlugin(plugin, removePluginFromSettings, removePluginSettings, true);
+            await UninstallPluginAsync(plugin, removePluginFromSettings, removePluginSettings, true);
         }
 
         #endregion
@@ -539,64 +565,63 @@ namespace Flow.Launcher.Core.Plugin
             }
         }
 
-        internal static void UninstallPlugin(PluginMetadata plugin, bool removePluginFromSettings, bool removePluginSettings, bool checkModified)
+        internal static async Task UninstallPluginAsync(PluginMetadata plugin, bool removePluginFromSettings, bool removePluginSettings, bool checkModified)
         {
             if (checkModified && PluginModified(plugin.ID))
             {
                 throw new ArgumentException($"Plugin {plugin.Name} has been modified");
             }
 
+            if (removePluginSettings || removePluginFromSettings)
+            {
+                // If we want to remove plugin from AllPlugins,
+                // we need to dispose them so that they can release file handles
+                // which can help FL to delete the plugin settings & cache folders successfully
+                var pluginPairs = AllPlugins.FindAll(p => p.Metadata.ID == plugin.ID);
+                foreach (var pluginPair in pluginPairs)
+                {
+                    await DisposePluginAsync(pluginPair);
+                }
+            }
+
             if (removePluginSettings)
             {
-                if (AllowedLanguage.IsDotNet(plugin.Language))  // for the plugin in .NET, we can use assembly loader
+                // For dotnet plugins, we need to remove their PluginJsonStorage instance
+                if (AllowedLanguage.IsDotNet(plugin.Language))
                 {
-                    var assemblyLoader = new PluginAssemblyLoader(plugin.ExecuteFilePath);
-                    var assembly = assemblyLoader.LoadAssemblyAndDependencies();
-                    var assemblyName = assembly.GetName().Name;
-
-                    // if user want to remove the plugin settings, we cannot call save method for the plugin json storage instance of this plugin
-                    // so we need to remove it from the api instance
                     var method = API.GetType().GetMethod("RemovePluginSettings");
-                    var pluginJsonStorage = method?.Invoke(API, new object[] { assemblyName });
-
-                    // if there exists a json storage for current plugin, we need to delete the directory path
-                    if (pluginJsonStorage != null)
-                    {
-                        var deleteMethod = pluginJsonStorage.GetType().GetMethod("DeleteDirectory");
-                        try
-                        {
-                            deleteMethod?.Invoke(pluginJsonStorage, null);
-                        }
-                        catch (Exception e)
-                        {
-                            Log.Exception($"|PluginManager.UninstallPlugin|Failed to delete plugin json folder for {plugin.Name}", e);
-                            API.ShowMsg(API.GetTranslation("failedToRemovePluginSettingsTitle"),
-                                string.Format(API.GetTranslation("failedToRemovePluginSettingsMessage"), plugin.Name));
-                        }
-                    }
+                    method?.Invoke(API, new object[] { plugin.AssemblyName });
                 }
-                else  // the plugin with json prc interface
+
+                try
                 {
-                    var pluginPair = AllPlugins.FirstOrDefault(p => p.Metadata.ID == plugin.ID);
-                    if (pluginPair != null && pluginPair.Plugin is JsonRPCPlugin jsonRpcPlugin)
-                    {
-                        try
-                        {
-                            jsonRpcPlugin.DeletePluginSettingsDirectory();
-                        }
-                        catch (Exception e)
-                        {
-                            Log.Exception($"|PluginManager.UninstallPlugin|Failed to delete plugin json folder for {plugin.Name}", e);
-                            API.ShowMsg(API.GetTranslation("failedToRemovePluginSettingsTitle"),
-                                string.Format(API.GetTranslation("failedToRemovePluginSettingsMessage"), plugin.Name));
-                        }
-                    }
+                    var pluginSettingsDirectory = plugin.PluginSettingsDirectoryPath;
+                    if (Directory.Exists(pluginSettingsDirectory))
+                        Directory.Delete(pluginSettingsDirectory, true);
+                }
+                catch (Exception e)
+                {
+                    Log.Exception($"|PluginManager.UninstallPlugin|Failed to delete plugin settings folder for {plugin.Name}", e);
+                    API.ShowMsg(API.GetTranslation("failedToRemovePluginSettingsTitle"),
+                        string.Format(API.GetTranslation("failedToRemovePluginSettingsMessage"), plugin.Name));
                 }
             }
 
             if (removePluginFromSettings)
             {
-                Settings.Plugins.Remove(plugin.ID);
+                try
+                {
+                    var pluginCacheDirectory = plugin.PluginCacheDirectoryPath;
+                    if (Directory.Exists(pluginCacheDirectory))
+                        Directory.Delete(pluginCacheDirectory, true);
+                }
+                catch (Exception e)
+                {
+                    Log.Exception($"|PluginManager.UninstallPlugin|Failed to delete plugin cache folder for {plugin.Name}", e);
+                    API.ShowMsg(API.GetTranslation("failedToRemovePluginCacheTitle"),
+                        string.Format(API.GetTranslation("failedToRemovePluginCacheMessage"), plugin.Name));
+                }
+                Settings.RemovePluginSettings(plugin.ID);
                 AllPlugins.RemoveAll(p => p.Metadata.ID == plugin.ID);
             }
 

Flow.Launcher.Core/Plugin/PluginsLoader.cs

@@ -50,7 +50,7 @@ namespace Flow.Launcher.Core.Plugin
             return plugins;
         }
 
-        public static IEnumerable<PluginPair> DotNetPlugins(List<PluginMetadata> source)
+        private static IEnumerable<PluginPair> DotNetPlugins(List<PluginMetadata> source)
         {
             var erroredPlugins = new List<string>();
 
@@ -74,9 +74,11 @@ namespace Flow.Launcher.Core.Plugin
                                 typeof(IAsyncPlugin));
 
                             plugin = Activator.CreateInstance(type) as IAsyncPlugin;
+
+                            metadata.AssemblyName = assembly.GetName().Name;
                         }
 #if DEBUG
-                        catch (Exception e)
+                        catch (Exception)
                         {
                             throw;
                         }
@@ -112,7 +114,7 @@ namespace Flow.Launcher.Core.Plugin
 
             if (erroredPlugins.Count > 0)
             {
-                var errorPluginString = String.Join(Environment.NewLine, erroredPlugins);
+                var errorPluginString = string.Join(Environment.NewLine, erroredPlugins);
 
                 var errorMessage = "The following "
                                    + (erroredPlugins.Count > 1 ? "plugins have " : "plugin has ")
@@ -130,23 +132,31 @@ namespace Flow.Launcher.Core.Plugin
             return plugins;
         }
 
-        public static IEnumerable<PluginPair> ExecutablePlugins(IEnumerable<PluginMetadata> source)
+        private static IEnumerable<PluginPair> ExecutablePlugins(IEnumerable<PluginMetadata> source)
         {
             return source
                 .Where(o => o.Language.Equals(AllowedLanguage.Executable, StringComparison.OrdinalIgnoreCase))
-                .Select(metadata => new PluginPair
+                .Select(metadata =>
                 {
-                    Plugin = new ExecutablePlugin(metadata.ExecuteFilePath), Metadata = metadata
+                    return new PluginPair
+                    {
+                        Plugin = new ExecutablePlugin(metadata.ExecuteFilePath),
+                        Metadata = metadata
+                    };
                 });
         }
 
-        public static IEnumerable<PluginPair> ExecutableV2Plugins(IEnumerable<PluginMetadata> source)
+        private static IEnumerable<PluginPair> ExecutableV2Plugins(IEnumerable<PluginMetadata> source)
         {
             return source
                 .Where(o => o.Language.Equals(AllowedLanguage.ExecutableV2, StringComparison.OrdinalIgnoreCase))
-                .Select(metadata => new PluginPair
+                .Select(metadata =>
                 {
-                    Plugin = new ExecutablePluginV2(metadata.ExecuteFilePath), Metadata = metadata
+                    return new PluginPair
+                    {
+                        Plugin = new ExecutablePlugin(metadata.ExecuteFilePath),
+                        Metadata = metadata
+                    };
                 });
         }
     }

Flow.Launcher.Core/Resource/Internationalization.cs

@@ -67,9 +67,9 @@ namespace Flow.Launcher.Core.Resource
             return DefaultLanguageCode;
         }
 
-        internal void AddPluginLanguageDirectories(IEnumerable<PluginPair> plugins)
+        private void AddPluginLanguageDirectories()
         {
-            foreach (var plugin in plugins)
+            foreach (var plugin in PluginManager.GetPluginsForInterface<IPluginI18n>())
             {
                 var location = Assembly.GetAssembly(plugin.Plugin.GetType()).Location;
                 var dir = Path.GetDirectoryName(location);
@@ -96,6 +96,32 @@ namespace Flow.Launcher.Core.Resource
             _oldResources.Clear();
         }
 
+        /// <summary>
+        /// Initialize language. Will change app language and plugin language based on settings.
+        /// </summary>
+        public async Task InitializeLanguageAsync()
+        {
+            // Get actual language
+            var languageCode = _settings.Language;
+            if (languageCode == Constant.SystemLanguageCode)
+            {
+                languageCode = SystemLanguageCode;
+            }
+
+            // Get language by language code and change language
+            var language = GetLanguageByLanguageCode(languageCode);
+
+            // Add plugin language directories first so that we can load language files from plugins
+            AddPluginLanguageDirectories();
+
+            // Change language
+            await ChangeLanguageAsync(language);
+        }
+
+        /// <summary>
+        /// Change language during runtime. Will change app language and plugin language & save settings.
+        /// </summary>
+        /// <param name="languageCode"></param>
         public void ChangeLanguage(string languageCode)
         {
             languageCode = languageCode.NonNull();
@@ -110,7 +136,12 @@ namespace Flow.Launcher.Core.Resource
 
             // Get language by language code and change language
             var language = GetLanguageByLanguageCode(languageCode);
-            ChangeLanguage(language, isSystem);
+
+            // Change language
+            _ = ChangeLanguageAsync(language);
+
+            // Save settings
+            _settings.Language = isSystem ? Constant.SystemLanguageCode : language.LanguageCode;
         }
 
         private Language GetLanguageByLanguageCode(string languageCode)
@@ -128,26 +159,22 @@ namespace Flow.Launcher.Core.Resource
             }
         }
 
-        private void ChangeLanguage(Language language, bool isSystem)
+        private async Task ChangeLanguageAsync(Language language)
         {
-            language = language.NonNull();
-
+            // Remove old language files and load language
             RemoveOldLanguageFiles();
             if (language != AvailableLanguages.English)
             {
                 LoadLanguage(language);
             }
+
             // Culture of main thread
             // Use CreateSpecificCulture to preserve possible user-override settings in Windows, if Flow's language culture is the same as Windows's
             CultureInfo.CurrentCulture = CultureInfo.CreateSpecificCulture(language.LanguageCode);
             CultureInfo.CurrentUICulture = CultureInfo.CurrentCulture;
 
-            // Raise event after culture is set
-            _settings.Language = isSystem ? Constant.SystemLanguageCode : language.LanguageCode;
-            _ = Task.Run(() =>
-            {
-                UpdatePluginMetadataTranslations();
-            });
+            // Raise event for plugins after culture is set
+            await Task.Run(UpdatePluginMetadataTranslations);
         }
 
         public bool PromptShouldUsePinyin(string languageCodeToSet)

Flow.Launcher.Core/Resource/Theme.cs

@@ -3,21 +3,29 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Xml;
+using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Controls.Primitives;
 using System.Windows.Markup;
 using System.Windows.Media;
 using System.Windows.Media.Effects;
 using System.Windows.Shell;
+using System.Windows.Threading;
 using Flow.Launcher.Infrastructure;
 using Flow.Launcher.Infrastructure.Logger;
 using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.Plugin;
+using Microsoft.Win32;
 
 namespace Flow.Launcher.Core.Resource
 {
     public class Theme
     {
+        #region Properties & Fields
+
+        public bool BlurEnabled { get; private set; }
+
         private const string ThemeMetadataNamePrefix = "Name:";
         private const string ThemeMetadataIsDarkPrefix = "IsDark:";
         private const string ThemeMetadataHasBlurPrefix = "HasBlur:";
@@ -31,14 +39,14 @@ namespace Flow.Launcher.Core.Resource
         private string _oldTheme;
         private const string Folder = Constant.Themes;
         private const string Extension = ".xaml";
-        private string DirectoryPath => Path.Combine(Constant.ProgramDirectory, Folder);
-        private string UserDirectoryPath => Path.Combine(DataLocation.DataDirectory(), Folder);
+        private static string DirectoryPath => Path.Combine(Constant.ProgramDirectory, Folder);
+        private static string UserDirectoryPath => Path.Combine(DataLocation.DataDirectory(), Folder);
 
-        public string CurrentTheme => _settings.Theme;
+        private Thickness _themeResizeBorderThickness;
 
-        public bool BlurEnabled { get; set; }
+        #endregion
 
-        private double mainWindowWidth;
+        #region Constructor
 
         public Theme(IPublicAPI publicAPI, Settings settings)
         {
@@ -50,20 +58,32 @@ namespace Flow.Launcher.Core.Resource
             MakeSureThemeDirectoriesExist();
 
             var dicts = Application.Current.Resources.MergedDictionaries;
-            _oldResource = dicts.First(d =>
+            _oldResource = dicts.FirstOrDefault(d =>
             {
-                if (d.Source == null)
-                    return false;
+                if (d.Source == null) return false;
 
                 var p = d.Source.AbsolutePath;
-                var dir = Path.GetDirectoryName(p).NonNull();
-                var info = new DirectoryInfo(dir);
-                var f = info.Name;
-                var e = Path.GetExtension(p);
-                var found = f == Folder && e == Extension;
-                return found;
+                return p.Contains(Folder) && Path.GetExtension(p) == Extension;
             });
-            _oldTheme = Path.GetFileNameWithoutExtension(_oldResource.Source.AbsolutePath);
+
+            if (_oldResource != null)
+            {
+                _oldTheme = Path.GetFileNameWithoutExtension(_oldResource.Source.AbsolutePath);
+            }
+            else
+            {
+                Log.Error("Current theme resource not found. Initializing with default theme.");
+                _oldTheme = Constant.DefaultTheme;
+            };
+        }
+
+        #endregion
+
+        #region Theme Resources
+
+        public string GetCurrentTheme()
+        {
+            return _settings.Theme;
         }
 
         private void MakeSureThemeDirectoriesExist()
@@ -81,68 +101,154 @@ namespace Flow.Launcher.Core.Resource
             }
         }
 
-        public bool ChangeTheme(string theme)
-        {
-            const string defaultTheme = Constant.DefaultTheme;
-
-            string path = GetThemePath(theme);
-            try
-            {
-                if (string.IsNullOrEmpty(path))
-                    throw new DirectoryNotFoundException("Theme path can't be found <{path}>");
-
-                // reload all resources even if the theme itself hasn't changed in order to pickup changes
-                // to things like fonts
-                UpdateResourceDictionary(GetResourceDictionary(theme));
-
-                _settings.Theme = theme;
-
-
-                //always allow re-loading default theme, in case of failure of switching to a new theme from default theme
-                if (_oldTheme != theme || theme == defaultTheme)
-                {
-                    _oldTheme = Path.GetFileNameWithoutExtension(_oldResource.Source.AbsolutePath);
-                }
-
-                BlurEnabled = Win32Helper.IsBlurTheme();
-
-                if (_settings.UseDropShadowEffect && !BlurEnabled)
-                    AddDropShadowEffectToCurrentTheme();
-
-                Win32Helper.SetBlurForWindow(Application.Current.MainWindow, BlurEnabled);
-            }
-            catch (DirectoryNotFoundException)
-            {
-                Log.Error($"|Theme.ChangeTheme|Theme <{theme}> path can't be found");
-                if (theme != defaultTheme)
-                {
-                    _api.ShowMsgBox(string.Format(InternationalizationManager.Instance.GetTranslation("theme_load_failure_path_not_exists"), theme));
-                    ChangeTheme(defaultTheme);
-                }
-                return false;
-            }
-            catch (XamlParseException)
-            {
-                Log.Error($"|Theme.ChangeTheme|Theme <{theme}> fail to parse");
-                if (theme != defaultTheme)
-                {
-                    _api.ShowMsgBox(string.Format(InternationalizationManager.Instance.GetTranslation("theme_load_failure_parse_error"), theme));
-                    ChangeTheme(defaultTheme);
-                }
-                return false;
-            }
-            return true;
-        }
-
         private void UpdateResourceDictionary(ResourceDictionary dictionaryToUpdate)
         {
-            var dicts = Application.Current.Resources.MergedDictionaries;
+            // Add new resources
+            if (!Application.Current.Resources.MergedDictionaries.Contains(dictionaryToUpdate))
+            {
+                Application.Current.Resources.MergedDictionaries.Add(dictionaryToUpdate);
+            }
+
+            // Remove old resources
+            if (_oldResource != null && _oldResource != dictionaryToUpdate &&
+                Application.Current.Resources.MergedDictionaries.Contains(_oldResource))
+            {
+                Application.Current.Resources.MergedDictionaries.Remove(_oldResource);
+            }
 
-            dicts.Remove(_oldResource);
-            dicts.Add(dictionaryToUpdate);
             _oldResource = dictionaryToUpdate;
         }
 
+        /// <summary>
+        /// Updates only the font settings and refreshes the UI.
+        /// </summary>
+        public void UpdateFonts()
+        {
+            try
+            {
+                // Load a ResourceDictionary for the specified theme.
+                var themeName = GetCurrentTheme();
+                var dict = GetThemeResourceDictionary(themeName);
+                
+                // Apply font settings to the theme resource.
+                ApplyFontSettings(dict);
+                UpdateResourceDictionary(dict);
+
+                // Must apply blur and drop shadow effects
+                _ = RefreshFrameAsync();
+            }
+            catch (Exception e)
+            {
+                Log.Exception("Error occurred while updating theme fonts", e);
+            }
+        }
+
+        /// <summary>
+        /// Loads and applies font settings to the theme resource.
+        /// </summary>
+        private void ApplyFontSettings(ResourceDictionary dict)
+        {
+            if (dict["QueryBoxStyle"] is Style queryBoxStyle &&
+                dict["QuerySuggestionBoxStyle"] is Style querySuggestionBoxStyle)
+            {
+                var fontFamily = new FontFamily(_settings.QueryBoxFont);
+                var fontStyle = FontHelper.GetFontStyleFromInvariantStringOrNormal(_settings.QueryBoxFontStyle);
+                var fontWeight = FontHelper.GetFontWeightFromInvariantStringOrNormal(_settings.QueryBoxFontWeight);
+                var fontStretch = FontHelper.GetFontStretchFromInvariantStringOrNormal(_settings.QueryBoxFontStretch);
+                
+                SetFontProperties(queryBoxStyle, fontFamily, fontStyle, fontWeight, fontStretch, true);
+                SetFontProperties(querySuggestionBoxStyle, fontFamily, fontStyle, fontWeight, fontStretch, false);
+            }
+            
+            if (dict["ItemTitleStyle"] is Style resultItemStyle &&
+                dict["ItemTitleSelectedStyle"] is Style resultItemSelectedStyle &&
+                dict["ItemHotkeyStyle"] is Style resultHotkeyItemStyle &&
+                dict["ItemHotkeySelectedStyle"] is Style resultHotkeyItemSelectedStyle)
+            {
+                var fontFamily = new FontFamily(_settings.ResultFont);
+                var fontStyle = FontHelper.GetFontStyleFromInvariantStringOrNormal(_settings.ResultFontStyle);
+                var fontWeight = FontHelper.GetFontWeightFromInvariantStringOrNormal(_settings.ResultFontWeight);
+                var fontStretch = FontHelper.GetFontStretchFromInvariantStringOrNormal(_settings.ResultFontStretch);
+
+                SetFontProperties(resultItemStyle, fontFamily, fontStyle, fontWeight, fontStretch, false);
+                SetFontProperties(resultItemSelectedStyle, fontFamily, fontStyle, fontWeight, fontStretch, false);
+                SetFontProperties(resultHotkeyItemStyle, fontFamily, fontStyle, fontWeight, fontStretch, false);
+                SetFontProperties(resultHotkeyItemSelectedStyle, fontFamily, fontStyle, fontWeight, fontStretch, false);
+            }
+            
+            if (dict["ItemSubTitleStyle"] is Style resultSubItemStyle &&
+                dict["ItemSubTitleSelectedStyle"] is Style resultSubItemSelectedStyle)
+            {
+                var fontFamily = new FontFamily(_settings.ResultSubFont);
+                var fontStyle = FontHelper.GetFontStyleFromInvariantStringOrNormal(_settings.ResultSubFontStyle);
+                var fontWeight = FontHelper.GetFontWeightFromInvariantStringOrNormal(_settings.ResultSubFontWeight);
+                var fontStretch = FontHelper.GetFontStretchFromInvariantStringOrNormal(_settings.ResultSubFontStretch);
+
+                SetFontProperties(resultSubItemStyle, fontFamily, fontStyle, fontWeight, fontStretch, false);
+                SetFontProperties(resultSubItemSelectedStyle, fontFamily, fontStyle, fontWeight, fontStretch, false);
+            }
+        }
+
+        /// <summary>
+        /// Applies font properties to a Style.
+        /// </summary>
+        private static void SetFontProperties(Style style, FontFamily fontFamily, FontStyle fontStyle, FontWeight fontWeight, FontStretch fontStretch, bool isTextBox)
+        {
+            // Remove existing font-related setters  
+            if (isTextBox)
+            {
+                //  First, find the setters to remove and store them in a list  
+                var settersToRemove = style.Setters
+                    .OfType<Setter>()
+                    .Where(setter => 
+                        setter.Property == Control.FontFamilyProperty ||
+                        setter.Property == Control.FontStyleProperty ||
+                        setter.Property == Control.FontWeightProperty ||
+                        setter.Property == Control.FontStretchProperty)
+                    .ToList();
+
+                // Remove each found setter one by one  
+                foreach (var setter in settersToRemove)
+                {
+                    style.Setters.Remove(setter);
+                }
+
+                // Add New font setter
+                style.Setters.Add(new Setter(Control.FontFamilyProperty, fontFamily));
+                style.Setters.Add(new Setter(Control.FontStyleProperty, fontStyle));
+                style.Setters.Add(new Setter(Control.FontWeightProperty, fontWeight));
+                style.Setters.Add(new Setter(Control.FontStretchProperty, fontStretch));
+
+                //  Set caret brush (retain existing logic)
+                var caretBrushPropertyValue = style.Setters.OfType<Setter>().Any(x => x.Property.Name == "CaretBrush");
+                var foregroundPropertyValue = style.Setters.OfType<Setter>().Where(x => x.Property.Name == "Foreground")
+                    .Select(x => x.Value).FirstOrDefault();
+                if (!caretBrushPropertyValue && foregroundPropertyValue != null)
+                    style.Setters.Add(new Setter(TextBoxBase.CaretBrushProperty, foregroundPropertyValue));
+            }
+            else
+            {
+                var settersToRemove = style.Setters
+                    .OfType<Setter>()
+                    .Where(setter => 
+                        setter.Property == TextBlock.FontFamilyProperty ||
+                        setter.Property == TextBlock.FontStyleProperty ||
+                        setter.Property == TextBlock.FontWeightProperty ||
+                        setter.Property == TextBlock.FontStretchProperty)
+                    .ToList();
+                
+                foreach (var setter in settersToRemove)
+                {
+                    style.Setters.Remove(setter);
+                }
+                
+                style.Setters.Add(new Setter(TextBlock.FontFamilyProperty, fontFamily));
+                style.Setters.Add(new Setter(TextBlock.FontStyleProperty, fontStyle));
+                style.Setters.Add(new Setter(TextBlock.FontWeightProperty, fontWeight));
+                style.Setters.Add(new Setter(TextBlock.FontStretchProperty, fontStretch));
+            }
+        }
+
         private ResourceDictionary GetThemeResourceDictionary(string theme)
         {
             var uri = GetThemePath(theme);
@@ -154,9 +260,7 @@ namespace Flow.Launcher.Core.Resource
             return dict;
         }
 
-        private ResourceDictionary CurrentThemeResourceDictionary() => GetThemeResourceDictionary(_settings.Theme);
-
-        public ResourceDictionary GetResourceDictionary(string theme)
+        private ResourceDictionary GetResourceDictionary(string theme)
         {
             var dict = GetThemeResourceDictionary(theme);
 
@@ -168,22 +272,22 @@ namespace Flow.Launcher.Core.Resource
                 var fontWeight = FontHelper.GetFontWeightFromInvariantStringOrNormal(_settings.QueryBoxFontWeight);
                 var fontStretch = FontHelper.GetFontStretchFromInvariantStringOrNormal(_settings.QueryBoxFontStretch);
 
-                queryBoxStyle.Setters.Add(new Setter(TextBox.FontFamilyProperty, fontFamily));
-                queryBoxStyle.Setters.Add(new Setter(TextBox.FontStyleProperty, fontStyle));
-                queryBoxStyle.Setters.Add(new Setter(TextBox.FontWeightProperty, fontWeight));
-                queryBoxStyle.Setters.Add(new Setter(TextBox.FontStretchProperty, fontStretch));
+                queryBoxStyle.Setters.Add(new Setter(Control.FontFamilyProperty, fontFamily));
+                queryBoxStyle.Setters.Add(new Setter(Control.FontStyleProperty, fontStyle));
+                queryBoxStyle.Setters.Add(new Setter(Control.FontWeightProperty, fontWeight));
+                queryBoxStyle.Setters.Add(new Setter(Control.FontStretchProperty, fontStretch));
 
                 var caretBrushPropertyValue = queryBoxStyle.Setters.OfType<Setter>().Any(x => x.Property.Name == "CaretBrush");
                 var foregroundPropertyValue = queryBoxStyle.Setters.OfType<Setter>().Where(x => x.Property.Name == "Foreground")
                     .Select(x => x.Value).FirstOrDefault();
                 if (!caretBrushPropertyValue && foregroundPropertyValue != null) //otherwise BaseQueryBoxStyle will handle styling
-                    queryBoxStyle.Setters.Add(new Setter(TextBox.CaretBrushProperty, foregroundPropertyValue));
+                    queryBoxStyle.Setters.Add(new Setter(TextBoxBase.CaretBrushProperty, foregroundPropertyValue));
 
                 // Query suggestion box's font style is aligned with query box
-                querySuggestionBoxStyle.Setters.Add(new Setter(TextBox.FontFamilyProperty, fontFamily));
-                querySuggestionBoxStyle.Setters.Add(new Setter(TextBox.FontStyleProperty, fontStyle));
-                querySuggestionBoxStyle.Setters.Add(new Setter(TextBox.FontWeightProperty, fontWeight));
-                querySuggestionBoxStyle.Setters.Add(new Setter(TextBox.FontStretchProperty, fontStretch));
+                querySuggestionBoxStyle.Setters.Add(new Setter(Control.FontFamilyProperty, fontFamily));
+                querySuggestionBoxStyle.Setters.Add(new Setter(Control.FontStyleProperty, fontStyle));
+                querySuggestionBoxStyle.Setters.Add(new Setter(Control.FontWeightProperty, fontWeight));
+                querySuggestionBoxStyle.Setters.Add(new Setter(Control.FontStretchProperty, fontStretch));
             }
 
             if (dict["ItemTitleStyle"] is Style resultItemStyle &&
@@ -213,36 +317,20 @@ namespace Flow.Launcher.Core.Resource
 
                 Setter[] setters = { fontFamily, fontStyle, fontWeight, fontStretch };
                 Array.ForEach(
-                    new[] {  resultSubItemStyle,resultSubItemSelectedStyle}, o
+                    new[] { resultSubItemStyle, resultSubItemSelectedStyle }, o
                     => Array.ForEach(setters, p => o.Setters.Add(p)));
             }
 
             /* Ignore Theme Window Width and use setting */
             var windowStyle = dict["WindowStyle"] as Style;
             var width = _settings.WindowSize;
-            windowStyle.Setters.Add(new Setter(Window.WidthProperty, width));
-            mainWindowWidth = (double)width;
+            windowStyle.Setters.Add(new Setter(FrameworkElement.WidthProperty, width));
             return dict;
         }
 
-        private ResourceDictionary GetCurrentResourceDictionary( )
+        private ResourceDictionary GetCurrentResourceDictionary()
         {
-            return  GetResourceDictionary(_settings.Theme);
-        }
-
-        public List<ThemeData> LoadAvailableThemes()
-        {
-            List<ThemeData> themes = new List<ThemeData>();
-            foreach (var themeDirectory in _themeDirectories)
-            {
-                var filePaths = Directory
-                    .GetFiles(themeDirectory)
-                    .Where(filePath => filePath.EndsWith(Extension) && !filePath.EndsWith("Base.xaml"))
-                    .Select(GetThemeDataFromPath);
-                themes.AddRange(filePaths);
-            }
-
-            return themes.OrderBy(o => o.Name).ToList();
+            return GetResourceDictionary(GetCurrentTheme());
         }
 
         private ThemeData GetThemeDataFromPath(string path)
@@ -264,15 +352,15 @@ namespace Flow.Launcher.Core.Resource
             {
                 if (line.StartsWith(ThemeMetadataNamePrefix, StringComparison.OrdinalIgnoreCase))
                 {
-                    name = line.Remove(0, ThemeMetadataNamePrefix.Length).Trim();
+                    name = line[ThemeMetadataNamePrefix.Length..].Trim();
                 }
                 else if (line.StartsWith(ThemeMetadataIsDarkPrefix, StringComparison.OrdinalIgnoreCase))
                 {
-                    isDark = bool.Parse(line.Remove(0, ThemeMetadataIsDarkPrefix.Length).Trim());
+                    isDark = bool.Parse(line[ThemeMetadataIsDarkPrefix.Length..].Trim());
                 }
                 else if (line.StartsWith(ThemeMetadataHasBlurPrefix, StringComparison.OrdinalIgnoreCase))
                 {
-                    hasBlur = bool.Parse(line.Remove(0, ThemeMetadataHasBlurPrefix.Length).Trim());
+                    hasBlur = bool.Parse(line[ThemeMetadataHasBlurPrefix.Length..].Trim());
                 }
             }
 
@@ -293,6 +381,82 @@ namespace Flow.Launcher.Core.Resource
             return string.Empty;
         }
 
+        #endregion
+
+        #region Load & Change
+
+        public List<ThemeData> LoadAvailableThemes()
+        {
+            List<ThemeData> themes = new List<ThemeData>();
+            foreach (var themeDirectory in _themeDirectories)
+            {
+                var filePaths = Directory
+                    .GetFiles(themeDirectory)
+                    .Where(filePath => filePath.EndsWith(Extension) && !filePath.EndsWith("Base.xaml"))
+                    .Select(GetThemeDataFromPath);
+                themes.AddRange(filePaths);
+            }
+
+            return themes.OrderBy(o => o.Name).ToList();
+        }
+
+        public bool ChangeTheme(string theme = null)
+        {
+            if (string.IsNullOrEmpty(theme))
+                theme = GetCurrentTheme();
+
+            string path = GetThemePath(theme);
+            try
+            {
+                if (string.IsNullOrEmpty(path))
+                    throw new DirectoryNotFoundException($"Theme path can't be found <{path}>");
+
+                // Retrieve theme resource – always use the resource with font settings applied.
+                var resourceDict = GetResourceDictionary(theme);
+                
+                UpdateResourceDictionary(resourceDict);
+
+                _settings.Theme = theme;
+
+                //always allow re-loading default theme, in case of failure of switching to a new theme from default theme
+                if (_oldTheme != theme || theme == Constant.DefaultTheme)
+                {
+                    _oldTheme = Path.GetFileNameWithoutExtension(_oldResource.Source.AbsolutePath);
+                }
+
+                BlurEnabled = IsBlurTheme();
+
+                // Can only apply blur but here also apply drop shadow effect to avoid possible drop shadow effect issues
+                _ = RefreshFrameAsync();
+
+                return true;
+            }
+            catch (DirectoryNotFoundException)
+            {
+                Log.Error($"|Theme.ChangeTheme|Theme <{theme}> path can't be found");
+                if (theme != Constant.DefaultTheme)
+                {
+                    _api.ShowMsgBox(string.Format(_api.GetTranslation("theme_load_failure_path_not_exists"), theme));
+                    ChangeTheme(Constant.DefaultTheme);
+                }
+                return false;
+            }
+            catch (XamlParseException)
+            {
+                Log.Error($"|Theme.ChangeTheme|Theme <{theme}> fail to parse");
+                if (theme != Constant.DefaultTheme)
+                {
+                    _api.ShowMsgBox(string.Format(_api.GetTranslation("theme_load_failure_parse_error"), theme));
+                    ChangeTheme(Constant.DefaultTheme);
+                }
+                return false;
+            }
+        }
+
+        #endregion
+
+        #region Shadow Effect
+
         public void AddDropShadowEffectToCurrentTheme()
         {
             var dict = GetCurrentResourceDictionary();
@@ -301,7 +465,7 @@ namespace Flow.Launcher.Core.Resource
 
             var effectSetter = new Setter
             {
-                Property = Border.EffectProperty,
+                Property = UIElement.EffectProperty,
                 Value = new DropShadowEffect
                 {
                     Opacity = 0.3,
@@ -311,13 +475,12 @@ namespace Flow.Launcher.Core.Resource
                 }
             };
 
-            var marginSetter = windowBorderStyle.Setters.FirstOrDefault(setterBase => setterBase is Setter setter && setter.Property == Border.MarginProperty) as Setter;
-            if (marginSetter == null)
+            if (windowBorderStyle.Setters.FirstOrDefault(setterBase => setterBase is Setter setter && setter.Property == FrameworkElement.MarginProperty) is not Setter marginSetter)
             {
                 var margin = new Thickness(ShadowExtraMargin, 12, ShadowExtraMargin, ShadowExtraMargin);
                 marginSetter = new Setter()
                 {
-                    Property = Border.MarginProperty,
+                    Property = FrameworkElement.MarginProperty,
                     Value = margin,
                 };
                 windowBorderStyle.Setters.Add(marginSetter);
@@ -347,14 +510,12 @@ namespace Flow.Launcher.Core.Resource
             var dict = GetCurrentResourceDictionary();
             var windowBorderStyle = dict["WindowBorderStyle"] as Style;
 
-            var effectSetter = windowBorderStyle.Setters.FirstOrDefault(setterBase => setterBase is Setter setter && setter.Property == Border.EffectProperty) as Setter;
-            var marginSetter = windowBorderStyle.Setters.FirstOrDefault(setterBase => setterBase is Setter setter && setter.Property == Border.MarginProperty) as Setter;
-
-            if (effectSetter != null)
+            if (windowBorderStyle.Setters.FirstOrDefault(setterBase => setterBase is Setter setter && setter.Property == UIElement.EffectProperty) is Setter effectSetter)
             {
                 windowBorderStyle.Setters.Remove(effectSetter);
             }
-            if (marginSetter != null)
+
+            if (windowBorderStyle.Setters.FirstOrDefault(setterBase => setterBase is Setter setter && setter.Property == FrameworkElement.MarginProperty) is Setter marginSetter)
             {
                 var currentMargin = (Thickness)marginSetter.Value;
                 var newMargin = new Thickness(
@@ -370,31 +531,378 @@ namespace Flow.Launcher.Core.Resource
             UpdateResourceDictionary(dict);
         }
 
+        public void SetResizeBorderThickness(WindowChrome windowChrome, bool fixedWindowSize)
+        {
+            if (fixedWindowSize)
+            {
+                windowChrome.ResizeBorderThickness = new Thickness(0);
+            }
+            else
+            {
+                windowChrome.ResizeBorderThickness = _themeResizeBorderThickness;
+            }
+        }
+
         // because adding drop shadow effect will change the margin of the window,
         // we need to update the window chrome thickness to correct set the resize border
-        private static void SetResizeBoarderThickness(Thickness? effectMargin)
+        private void SetResizeBoarderThickness(Thickness? effectMargin)
         {
             var window = Application.Current.MainWindow;
             if (WindowChrome.GetWindowChrome(window) is WindowChrome windowChrome)
             {
-                Thickness thickness;
+                // Save the theme resize border thickness so that we can restore it if we change ResizeWindow setting
                 if (effectMargin == null)
                 {
-                    thickness = SystemParameters.WindowResizeBorderThickness;
+                    _themeResizeBorderThickness = SystemParameters.WindowResizeBorderThickness;
                 }
                 else
                 {
-                    thickness = new Thickness(
+                    _themeResizeBorderThickness = new Thickness(
                         effectMargin.Value.Left + SystemParameters.WindowResizeBorderThickness.Left,
                         effectMargin.Value.Top + SystemParameters.WindowResizeBorderThickness.Top,
                         effectMargin.Value.Right + SystemParameters.WindowResizeBorderThickness.Right,
                         effectMargin.Value.Bottom + SystemParameters.WindowResizeBorderThickness.Bottom);
                 }
 
-                windowChrome.ResizeBorderThickness = thickness;
+                // Apply the resize border thickness to the window chrome
+                SetResizeBorderThickness(windowChrome, _settings.KeepMaxResults);
             }
         }
 
+        #endregion
+
+        #region Blur Handling
+
+        /// <summary>
+        /// Refreshes the frame to apply the current theme settings.
+        /// </summary>
+        public async Task RefreshFrameAsync()
+        {
+            await Application.Current.Dispatcher.InvokeAsync(() =>
+            {
+                // Get the actual backdrop type and drop shadow effect settings
+                var (backdropType, useDropShadowEffect) = GetActualValue();
+
+                // Remove OS minimizing/maximizing animation
+                // Methods.SetWindowAttribute(new WindowInteropHelper(mainWindow).Handle, DWMWINDOWATTRIBUTE.DWMWA_TRANSITIONS_FORCEDISABLED, 3);
+
+                // The timing of adding the shadow effect should vary depending on whether the theme is transparent.
+                if (BlurEnabled)
+                {
+                    AutoDropShadow(useDropShadowEffect);
+                }
+                SetBlurForWindow(GetCurrentTheme(), backdropType);
+
+                if (!BlurEnabled)
+                {
+                    AutoDropShadow(useDropShadowEffect);
+                }
+            }, DispatcherPriority.Render);
+        }
+
+        /// <summary>
+        /// Sets the blur for a window via SetWindowCompositionAttribute
+        /// </summary>
+        public async Task SetBlurForWindowAsync()
+        {
+            await Application.Current.Dispatcher.InvokeAsync(() =>
+            {
+                // Get the actual backdrop type and drop shadow effect settings
+                var (backdropType, _) = GetActualValue();
+
+                SetBlurForWindow(GetCurrentTheme(), backdropType);
+            }, DispatcherPriority.Render);
+        }
+
+        /// <summary>
+        /// Gets the actual backdrop type and drop shadow effect settings based on the current theme status.
+        /// </summary>
+        public (BackdropTypes BackdropType, bool UseDropShadowEffect) GetActualValue()
+        {
+            var backdropType = _settings.BackdropType;
+            var useDropShadowEffect = _settings.UseDropShadowEffect;
+
+            // When changed non-blur theme, change to backdrop to none
+            if (!BlurEnabled)
+            {
+                backdropType = BackdropTypes.None;
+            }
+
+            // Dropshadow on and control disabled.(user can't change dropshadow with blur theme)
+            if (BlurEnabled)
+            {
+                useDropShadowEffect = true;
+            }
+
+            return (backdropType, useDropShadowEffect);
+        }
+
+        private void SetBlurForWindow(string theme, BackdropTypes backdropType)
+        {
+            var dict = GetResourceDictionary(theme);
+            if (dict == null) return;
+
+            var windowBorderStyle = dict.Contains("WindowBorderStyle") ? dict["WindowBorderStyle"] as Style : null;
+            if (windowBorderStyle == null) return;
+
+            var mainWindow = Application.Current.MainWindow;
+            if (mainWindow == null) return;
+
+            // Check if the theme supports blur
+            bool hasBlur = dict.Contains("ThemeBlurEnabled") && dict["ThemeBlurEnabled"] is bool b && b;
+            if (BlurEnabled && hasBlur && Win32Helper.IsBackdropSupported())
+            {
+                // If the BackdropType is Mica or MicaAlt, set the windowborderstyle's background to transparent
+                if (backdropType == BackdropTypes.Mica || backdropType == BackdropTypes.MicaAlt)
+                {
+                    windowBorderStyle.Setters.Remove(windowBorderStyle.Setters.OfType<Setter>().FirstOrDefault(x => x.Property.Name == "Background"));
+                    windowBorderStyle.Setters.Add(new Setter(Border.BackgroundProperty, new SolidColorBrush(Color.FromArgb(1, 0, 0, 0))));
+                }
+                else if (backdropType == BackdropTypes.Acrylic)
+                {
+                    windowBorderStyle.Setters.Remove(windowBorderStyle.Setters.OfType<Setter>().FirstOrDefault(x => x.Property.Name == "Background"));
+                    windowBorderStyle.Setters.Add(new Setter(Border.BackgroundProperty, new SolidColorBrush(Colors.Transparent)));
+                }
+
+                // Apply the blur effect
+                Win32Helper.DWMSetBackdropForWindow(mainWindow, backdropType);
+                ColorizeWindow(theme, backdropType);
+            }
+            else
+            {
+                // Apply default style when Blur is disabled
+                Win32Helper.DWMSetBackdropForWindow(mainWindow, BackdropTypes.None);
+                ColorizeWindow(theme, backdropType);
+            }
+
+            UpdateResourceDictionary(dict);
+        }
+
+        private void AutoDropShadow(bool useDropShadowEffect)
+        {
+            SetWindowCornerPreference("Default");
+            RemoveDropShadowEffectFromCurrentTheme();
+            if (useDropShadowEffect)
+            {
+                if (BlurEnabled && Win32Helper.IsBackdropSupported())
+                {
+                    SetWindowCornerPreference("Round");
+                }
+                else
+                {
+                    SetWindowCornerPreference("Default");
+                    AddDropShadowEffectToCurrentTheme();
+                }
+            }
+            else
+            {
+                if (BlurEnabled && Win32Helper.IsBackdropSupported())
+                {
+                    SetWindowCornerPreference("Default");
+                }
+                else
+                {
+                    RemoveDropShadowEffectFromCurrentTheme();
+                }
+            }
+        }
+
+        private static void SetWindowCornerPreference(string cornerType)
+        {
+            Window mainWindow = Application.Current.MainWindow;
+            if (mainWindow == null)
+                return;
+
+            Win32Helper.DWMSetCornerPreferenceForWindow(mainWindow, cornerType);
+        }
+
+        // Get Background Color from WindowBorderStyle when there not color for BG.
+        // for theme has not "LightBG" or "DarkBG" case.
+        private Color GetWindowBorderStyleBackground(string theme)
+        {
+            var Resources = GetThemeResourceDictionary(theme);
+            var windowBorderStyle = (Style)Resources["WindowBorderStyle"];
+
+            var backgroundSetter = windowBorderStyle.Setters
+                .OfType<Setter>()
+                .FirstOrDefault(s => s.Property == Border.BackgroundProperty);
+
+            if (backgroundSetter != null)
+            {
+                // Background's Value is DynamicColor Case
+                var backgroundValue = backgroundSetter.Value;
+
+                if (backgroundValue is SolidColorBrush solidColorBrush)
+                {
+                    return solidColorBrush.Color; // Return SolidColorBrush's Color
+                }
+                else if (backgroundValue is DynamicResourceExtension dynamicResource)
+                {
+                    // When DynamicResource Extension it is, Key is resource's name.
+                    var resourceKey = backgroundSetter.Value.ToString();
+
+                    // find key in resource and return color.
+                    if (Resources.Contains(resourceKey))
+                    {
+                        var colorResource = Resources[resourceKey];
+                        if (colorResource is SolidColorBrush colorBrush)
+                        {
+                            return colorBrush.Color;
+                        }
+                        else if (colorResource is Color color)
+                        {
+                            return color;
+                        }
+                    }
+                }
+            }
+
+            return Colors.Transparent; // Default is transparent
+        }
+
+        private void ApplyPreviewBackground(Color? bgColor = null)
+        {
+            if (bgColor == null) return;
+
+            // Copy the existing WindowBorderStyle
+            var previewStyle = new Style(typeof(Border));
+            if (Application.Current.Resources.Contains("WindowBorderStyle"))
+            {
+                if (Application.Current.Resources["WindowBorderStyle"] is Style originalStyle)
+                {
+                    foreach (var setter in originalStyle.Setters.OfType<Setter>())
+                    {
+                        previewStyle.Setters.Add(new Setter(setter.Property, setter.Value));
+                    }
+                }
+            }
+
+            // Apply background color (remove transparency in color)
+            // WPF does not allow the use of an acrylic brush within the window's internal area,
+            // so transparency effects are not applied to the preview.
+            Color backgroundColor = Color.FromRgb(bgColor.Value.R, bgColor.Value.G, bgColor.Value.B);
+            previewStyle.Setters.Add(new Setter(Border.BackgroundProperty, new SolidColorBrush(backgroundColor)));
+
+            // The blur theme keeps the corner round fixed (applying DWM code to modify it causes rendering issues).
+            // The non-blur theme retains the previously set WindowBorderStyle.
+            if (BlurEnabled)
+            {
+                previewStyle.Setters.Add(new Setter(Border.CornerRadiusProperty, new CornerRadius(5)));
+                previewStyle.Setters.Add(new Setter(Border.BorderThicknessProperty, new Thickness(1)));
+            }
+            Application.Current.Resources["PreviewWindowBorderStyle"] = previewStyle;
+        }
+
+        private void ColorizeWindow(string theme, BackdropTypes backdropType)
+        {
+            var dict = GetThemeResourceDictionary(theme);
+            if (dict == null) return;
+
+            var mainWindow = Application.Current.MainWindow;
+            if (mainWindow == null) return;
+
+            // Check if the theme supports blur
+            bool hasBlur = dict.Contains("ThemeBlurEnabled") && dict["ThemeBlurEnabled"] is bool b && b;
+
+            // SystemBG value check (Auto, Light, Dark)
+            string systemBG = dict.Contains("SystemBG") ? dict["SystemBG"] as string : "Auto"; // 기본값 Auto
+
+            // Check the user's ColorScheme setting
+            string colorScheme = _settings.ColorScheme;
+
+            // Check system dark mode setting (read AppsUseLightTheme value)
+            int themeValue = (int)Registry.GetValue(@"HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize", "AppsUseLightTheme", 1);
+            bool isSystemDark = themeValue == 0;
+
+            // Final decision on whether to use dark mode
+            bool useDarkMode = false;
+
+            // If systemBG is not "Auto", prioritize it over ColorScheme and set the mode based on systemBG value
+            if (systemBG == "Dark")
+            {
+                useDarkMode = true;  // Dark
+            }
+            else if (systemBG == "Light")
+            {
+                useDarkMode = false; // Light
+            }
+            else if (systemBG == "Auto")
+            {
+                // If systemBG is "Auto", decide based on ColorScheme
+                if (colorScheme == "Dark")
+                    useDarkMode = true;
+                else if (colorScheme == "Light")
+                    useDarkMode = false;
+                else
+                    useDarkMode = isSystemDark;  // Auto (based on system setting)
+            }
+
+            // Apply DWM Dark Mode
+            Win32Helper.DWMSetDarkModeForWindow(mainWindow, useDarkMode);
+
+            Color LightBG;
+            Color DarkBG;
+
+            // Retrieve LightBG value (fallback to WindowBorderStyle background color if not found)
+            try
+            {
+                LightBG = dict.Contains("LightBG") ? (Color)dict["LightBG"] : GetWindowBorderStyleBackground(theme);
+            }
+            catch (Exception)
+            {
+                LightBG = GetWindowBorderStyleBackground(theme);
+            }
+
+            // Retrieve DarkBG value (fallback to LightBG if not found)
+            try
+            {
+                DarkBG = dict.Contains("DarkBG") ? (Color)dict["DarkBG"] : LightBG;
+            }
+            catch (Exception)
+            {
+                DarkBG = LightBG;
+            }
+
+            // Select background color based on ColorScheme and SystemBG
+            Color selectedBG = useDarkMode ? DarkBG : LightBG;
+            ApplyPreviewBackground(selectedBG);
+
+            bool isBlurAvailable = hasBlur && Win32Helper.IsBackdropSupported(); // Windows 11 미만이면 hasBlur를 강제 false
+
+            if (!isBlurAvailable)
+            {
+                mainWindow.Background = Brushes.Transparent;
+            }
+            else
+            {
+                // Only set the background to transparent if the theme supports blur
+                if (backdropType == BackdropTypes.Mica || backdropType == BackdropTypes.MicaAlt)
+                {
+                    mainWindow.Background = new SolidColorBrush(Color.FromArgb(1, 0, 0, 0));
+                }
+                else
+                {
+                    mainWindow.Background = new SolidColorBrush(selectedBG);
+                }
+            }
+        }
+
+        private static bool IsBlurTheme()
+        {
+            if (!Win32Helper.IsBackdropSupported()) // Windows 11 미만이면 무조건 false
+                return false;
+
+            var resource = Application.Current.TryFindResource("ThemeBlurEnabled");
+
+            return resource is bool b && b;
+        }
+
+        #endregion
+
+        #region Classes
+
         public record ThemeData(string FileNameWithoutExtension, string Name, bool? IsDark = null, bool? HasBlur = null);
+
+        #endregion
     }
 }

Flow.Launcher.Core/Resource/ThemeManager.cs

@@ -1,12 +0,0 @@
-using System;
-using CommunityToolkit.Mvvm.DependencyInjection;
-
-namespace Flow.Launcher.Core.Resource
-{
-    [Obsolete("ThemeManager.Instance is obsolete. Use Ioc.Default.GetRequiredService<Theme>() instead.")]
-    public class ThemeManager
-    {
-        public static Theme Instance
-            => Ioc.Default.GetRequiredService<Theme>();
-    }
-}

Flow.Launcher.Infrastructure/Constant.cs

@@ -32,6 +32,7 @@ namespace Flow.Launcher.Infrastructure
         public static readonly string MissingImgIcon = Path.Combine(ImagesDirectory, "app_missing_img.png");
         public static readonly string LoadingImgIcon = Path.Combine(ImagesDirectory, "loading.png");
         public static readonly string ImageIcon = Path.Combine(ImagesDirectory, "image.png");
+        public static readonly string HistoryIcon = Path.Combine(ImagesDirectory, "history.png");
 
         public static string PythonPath;
         public static string NodePath;
@@ -47,6 +48,7 @@ namespace Flow.Launcher.Infrastructure
         public const string Themes = "Themes";
         public const string Settings = "Settings";
         public const string Logs = "Logs";
+        public const string Cache = "Cache";
 
         public const string Website = "https://flowlauncher.com";
         public const string SponsorPage = "https://github.com/sponsors/Flow-Launcher";

Flow.Launcher.Infrastructure/FileExplorerHelper.cs

@@ -67,8 +67,6 @@ namespace Flow.Launcher.Infrastructure
             return explorerWindows.Zip(zOrders).MinBy(x => x.Second).First;
         }
 
-        private delegate bool EnumWindowsProc(IntPtr hWnd, IntPtr lParam);
-
         /// <summary>
         /// Gets the z-order for one or more windows atomically with respect to each other. In Windows, smaller z-order is higher. If the window is not top level, the z order is returned as -1. 
         /// </summary>

Flow.Launcher.Infrastructure/Logger/Log.cs

@@ -12,13 +12,13 @@ namespace Flow.Launcher.Infrastructure.Logger
 {
     public static class Log
     {
-        public const string DirectoryName = "Logs";
+        public const string DirectoryName = Constant.Logs;
 
         public static string CurrentLogDirectory { get; }
 
         static Log()
         {
-            CurrentLogDirectory = Path.Combine(DataLocation.DataDirectory(), DirectoryName, Constant.Version);
+            CurrentLogDirectory = DataLocation.VersionLogDirectory;
             if (!Directory.Exists(CurrentLogDirectory))
             {
                 Directory.CreateDirectory(CurrentLogDirectory);

Flow.Launcher.Infrastructure/MonitorInfo.cs

@@ -0,0 +1,123 @@
+using System.Collections.Generic;
+using System;
+using System.Runtime.InteropServices;
+using System.Windows;
+using Windows.Win32;
+using Windows.Win32.Foundation;
+using Windows.Win32.Graphics.Gdi;
+using Windows.Win32.UI.WindowsAndMessaging;
+
+namespace Flow.Launcher.Infrastructure;
+
+/// <summary>
+/// Contains full information about a display monitor.
+/// Codes are edited from: <see href="https://github.com/Jack251970/DesktopWidgets3">.
+/// </summary>
+internal class MonitorInfo
+{
+    /// <summary>
+    /// Gets the display monitors (including invisible pseudo-monitors associated with the mirroring drivers).
+    /// </summary>
+    /// <returns>A list of display monitors</returns>
+    public static unsafe IList<MonitorInfo> GetDisplayMonitors()
+    {
+        var monitorCount = PInvoke.GetSystemMetrics(SYSTEM_METRICS_INDEX.SM_CMONITORS);
+        var list = new List<MonitorInfo>(monitorCount);
+        var callback = new MONITORENUMPROC((HMONITOR monitor, HDC deviceContext, RECT* rect, LPARAM data) =>
+        {
+            list.Add(new MonitorInfo(monitor, rect));
+            return true;
+        });
+        var dwData = new LPARAM();
+        var hdc = new HDC();
+        bool ok = PInvoke.EnumDisplayMonitors(hdc, (RECT?)null, callback, dwData);
+        if (!ok)
+        {
+            Marshal.ThrowExceptionForHR(Marshal.GetLastWin32Error());
+        }
+        return list;
+    }
+
+    /// <summary>
+    /// Gets the display monitor that is nearest to a given window.
+    /// </summary>
+    /// <param name="hwnd">Window handle</param>
+    /// <returns>The display monitor that is nearest to a given window, or null if no monitor is found.</returns>
+    public static unsafe MonitorInfo GetNearestDisplayMonitor(HWND hwnd)
+    {
+        var nearestMonitor = PInvoke.MonitorFromWindow(hwnd, MONITOR_FROM_FLAGS.MONITOR_DEFAULTTONEAREST);
+        MonitorInfo nearestMonitorInfo = null;
+        var callback = new MONITORENUMPROC((HMONITOR monitor, HDC deviceContext, RECT* rect, LPARAM data) =>
+        {
+            if (monitor == nearestMonitor)
+            {
+                nearestMonitorInfo = new MonitorInfo(monitor, rect);
+                return false;
+            }
+            return true;
+        });
+        var dwData = new LPARAM();
+        var hdc = new HDC();
+        bool ok = PInvoke.EnumDisplayMonitors(hdc, (RECT?)null, callback, dwData);
+        if (!ok)
+        {
+            Marshal.ThrowExceptionForHR(Marshal.GetLastWin32Error());
+        }
+        return nearestMonitorInfo;
+    }
+
+    private readonly HMONITOR _monitor;
+
+    internal unsafe MonitorInfo(HMONITOR monitor, RECT* rect)
+    {
+        RectMonitor =
+            new Rect(new Point(rect->left, rect->top),
+            new Point(rect->right, rect->bottom));
+        _monitor = monitor;
+        var info = new MONITORINFOEXW() { monitorInfo = new MONITORINFO() { cbSize = (uint)sizeof(MONITORINFOEXW) } };
+        GetMonitorInfo(monitor, ref info);
+        RectWork =
+            new Rect(new Point(info.monitorInfo.rcWork.left, info.monitorInfo.rcWork.top),
+            new Point(info.monitorInfo.rcWork.right, info.monitorInfo.rcWork.bottom));
+        Name = new string(info.szDevice.AsSpan()).Replace("\0", "").Trim();
+    }
+
+    /// <summary>
+    /// Gets the name of the display.
+    /// </summary>
+    public string Name { get; }
+
+    /// <summary>
+    /// Gets the display monitor rectangle, expressed in virtual-screen coordinates.
+    /// </summary>
+    /// <remarks>
+    /// <note>If the monitor is not the primary display monitor, some of the rectangle's coordinates may be negative values.</note>
+    /// </remarks>
+    public Rect RectMonitor { get; }
+
+    /// <summary>
+    /// Gets the work area rectangle of the display monitor, expressed in virtual-screen coordinates.
+    /// </summary>
+    /// <remarks>
+    /// <note>If the monitor is not the primary display monitor, some of the rectangle's coordinates may be negative values.</note>
+    /// </remarks>
+    public Rect RectWork { get; }
+
+    /// <summary>
+    /// Gets if the monitor is the the primary display monitor.
+    /// </summary>
+    public bool IsPrimary => _monitor == PInvoke.MonitorFromWindow(new(IntPtr.Zero), MONITOR_FROM_FLAGS.MONITOR_DEFAULTTOPRIMARY);
+
+    /// <inheritdoc />
+    public override string ToString() => $"{Name} {RectMonitor.Width}x{RectMonitor.Height}";
+
+    private static unsafe bool GetMonitorInfo(HMONITOR hMonitor, ref MONITORINFOEXW lpmi)
+    {
+        fixed (MONITORINFOEXW* lpmiLocal = &lpmi)
+        {
+            var lpmiBase = (MONITORINFO*)lpmiLocal;
+            var __result = PInvoke.GetMonitorInfo(hMonitor, lpmiBase);
+            return __result;
+        }
+    }
+}

Flow.Launcher.Infrastructure/NativeMethods.txt

@@ -16,4 +16,46 @@ WM_KEYUP
 WM_SYSKEYDOWN
 WM_SYSKEYUP
 
-EnumWindows
+EnumWindows
+
+DwmSetWindowAttribute
+DWM_SYSTEMBACKDROP_TYPE
+DWM_WINDOW_CORNER_PREFERENCE
+
+MAX_PATH
+SystemParametersInfo
+
+SetForegroundWindow
+
+GetWindowLong
+GetForegroundWindow
+GetDesktopWindow
+GetShellWindow
+GetWindowRect
+GetClassName
+FindWindowEx
+WINDOW_STYLE
+
+SetLastError
+WINDOW_EX_STYLE
+
+GetSystemMetrics
+EnumDisplayMonitors
+MonitorFromWindow
+GetMonitorInfo
+MONITORINFOEXW
+
+WM_ENTERSIZEMOVE
+WM_EXITSIZEMOVE
+
+GetKeyboardLayout
+GetWindowThreadProcessId
+ActivateKeyboardLayout
+GetKeyboardLayoutList
+PostMessage
+WM_INPUTLANGCHANGEREQUEST
+INPUTLANGCHANGE_FORWARD
+LOCALE_TRANSIENT_KEYBOARD1
+LOCALE_TRANSIENT_KEYBOARD2
+LOCALE_TRANSIENT_KEYBOARD3
+LOCALE_TRANSIENT_KEYBOARD4

Flow.Launcher.Infrastructure/PInvokeExtensions.cs

@@ -0,0 +1,25 @@
+using System.Runtime.InteropServices;
+using Windows.Win32.Foundation;
+using Windows.Win32.UI.WindowsAndMessaging;
+
+namespace Windows.Win32;
+
+// Edited from: https://github.com/files-community/Files
+internal static partial class PInvoke
+{
+    [DllImport("User32", EntryPoint = "SetWindowLongW", ExactSpelling = true)]
+    static extern int _SetWindowLong(HWND hWnd, int nIndex, int dwNewLong);
+
+    [DllImport("User32", EntryPoint = "SetWindowLongPtrW", ExactSpelling = true)]
+    static extern nint _SetWindowLongPtr(HWND hWnd, int nIndex, nint dwNewLong);
+
+    // NOTE:
+    //  CsWin32 doesn't generate SetWindowLong on other than x86 and vice versa.
+    //  For more info, visit https://github.com/microsoft/CsWin32/issues/882
+    public static unsafe nint SetWindowLongPtr(HWND hWnd, WINDOW_LONG_PTR_INDEX nIndex, nint dwNewLong)
+    {
+        return sizeof(nint) is 4
+          ? _SetWindowLong(hWnd, (int)nIndex, (int)dwNewLong)
+          : _SetWindowLongPtr(hWnd, (int)nIndex, dwNewLong);
+    }
+}

Flow.Launcher.Infrastructure/Storage/BinaryStorage.cs

@@ -1,9 +1,4 @@
-using System;
-using System.IO;
-using System.Reflection;
-using System.Runtime.Serialization;
-using System.Runtime.Serialization.Formatters;
-using System.Runtime.Serialization.Formatters.Binary;
+using System.IO;
 using System.Threading.Tasks;
 using Flow.Launcher.Infrastructure.Logger;
 using Flow.Launcher.Infrastructure.UserSettings;
@@ -16,18 +11,16 @@ namespace Flow.Launcher.Infrastructure.Storage
     /// Normally, it has better performance, but not readable
     /// </summary>
     /// <remarks>
-    /// It utilize MemoryPack, which means the object must be MemoryPackSerializable
-    /// https://github.com/Cysharp/MemoryPack
+    /// It utilize MemoryPack, which means the object must be MemoryPackSerializable <see href="https://github.com/Cysharp/MemoryPack"/>
     /// </remarks>
     public class BinaryStorage<T>
     {
-        const string DirectoryName = "Cache";
+        public const string FileSuffix = ".cache";
 
-        const string FileSuffix = ".cache";
-
-        public BinaryStorage(string filename)
+        // Let the derived class to set the file path
+        public BinaryStorage(string filename, string directoryPath = null)
         {
-            var directoryPath = Path.Combine(DataLocation.DataDirectory(), DirectoryName);
+            directoryPath ??= DataLocation.CacheDirectory;
             Helper.ValidateDirectory(directoryPath);
 
             FilePath = Path.Combine(directoryPath, $"{filename}{FileSuffix}");
@@ -58,14 +51,14 @@ namespace Flow.Launcher.Infrastructure.Storage
             }
         }
 
-        private async ValueTask<T> DeserializeAsync(Stream stream, T defaultData)
+        private static async ValueTask<T> DeserializeAsync(Stream stream, T defaultData)
         {
             try
             {
                 var t = await MemoryPackSerializer.DeserializeAsync<T>(stream);
                 return t;
             }
-            catch (System.Exception e)
+            catch (System.Exception)
             {
                 // Log.Exception($"|BinaryStorage.Deserialize|Deserialize error for file <{FilePath}>", e);
                 return defaultData;

Flow.Launcher.Infrastructure/Storage/JsonStorage.cs

@@ -16,7 +16,7 @@ namespace Flow.Launcher.Infrastructure.Storage
         protected T? Data;
 
         // need a new directory name
-        public const string DirectoryName = "Settings";
+        public const string DirectoryName = Constant.Settings;
         public const string FileSuffix = ".json";
 
         protected string FilePath { get; init; } = null!;

Flow.Launcher.Infrastructure/Storage/PluginJsonStorage.cs

@@ -13,7 +13,7 @@ namespace Flow.Launcher.Infrastructure.Storage
             // C# related, add python related below
             var dataType = typeof(T);
             AssemblyName = dataType.Assembly.GetName().Name;
-            DirectoryPath = Path.Combine(DataLocation.DataDirectory(), DirectoryName, Constant.Plugins, AssemblyName);
+            DirectoryPath = Path.Combine(DataLocation.PluginSettingsDirectory, AssemblyName);
             Helper.ValidateDirectory(DirectoryPath);
 
             FilePath = Path.Combine(DirectoryPath, $"{dataType.Name}{FileSuffix}");
@@ -23,13 +23,5 @@ namespace Flow.Launcher.Infrastructure.Storage
         {
             Data = data;
         }
-
-        public void DeleteDirectory()
-        {
-            if (Directory.Exists(DirectoryPath))
-            {
-                Directory.Delete(DirectoryPath, true);
-            }
-        }
     }
 }

Flow.Launcher.Infrastructure/UserSettings/DataLocation.cs

@@ -25,8 +25,16 @@ namespace Flow.Launcher.Infrastructure.UserSettings
             return false;
         }
 
+        public static string VersionLogDirectory => Path.Combine(LogDirectory, Constant.Version);
+        public static string LogDirectory => Path.Combine(DataDirectory(), Constant.Logs);
+
+        public static readonly string CacheDirectory = Path.Combine(DataDirectory(), Constant.Cache);
+        public static readonly string SettingsDirectory = Path.Combine(DataDirectory(), Constant.Settings);
         public static readonly string PluginsDirectory = Path.Combine(DataDirectory(), Constant.Plugins);
-        public static readonly string PluginSettingsDirectory = Path.Combine(DataDirectory(), "Settings", Constant.Plugins);
+        public static readonly string ThemesDirectory = Path.Combine(DataDirectory(), Constant.Themes);
+
+        public static readonly string PluginSettingsDirectory = Path.Combine(SettingsDirectory, Constant.Plugins);
+        public static readonly string PluginCacheDirectory = Path.Combine(DataDirectory(), Constant.Cache, Constant.Plugins);
 
         public const string PythonEnvironmentName = "Python";
         public const string NodeEnvironmentName = "Node.js";

Flow.Launcher.Infrastructure/UserSettings/PluginSettings.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Text.Json.Serialization;
 using Flow.Launcher.Plugin;
 
 namespace Flow.Launcher.Infrastructure.UserSettings
@@ -6,8 +7,9 @@ namespace Flow.Launcher.Infrastructure.UserSettings
     public class PluginsSettings : BaseModel
     {
         private string pythonExecutablePath = string.Empty;
-        public string PythonExecutablePath {
-            get { return pythonExecutablePath; }
+        public string PythonExecutablePath
+        {
+            get => pythonExecutablePath;
             set
             {
                 pythonExecutablePath = value;
@@ -18,7 +20,7 @@ namespace Flow.Launcher.Infrastructure.UserSettings
         private string nodeExecutablePath = string.Empty;
         public string NodeExecutablePath
         {
-            get { return nodeExecutablePath; }
+            get => nodeExecutablePath;
             set 
             {
                 nodeExecutablePath = value;
@@ -26,19 +28,32 @@ namespace Flow.Launcher.Infrastructure.UserSettings
             }
         }
 
-        public Dictionary<string, Plugin> Plugins { get; set; } = new Dictionary<string, Plugin>();
+        /// <summary>
+        /// Only used for serialization
+        /// </summary>
+        public Dictionary<string, Plugin> Plugins { get; set; } = new();
 
+        /// <summary>
+        /// Update plugin settings with metadata.
+        /// FL will get default values from metadata first and then load settings to metadata
+        /// </summary>
+        /// <param name="metadatas">Parsed plugin metadatas</param>
         public void UpdatePluginSettings(List<PluginMetadata> metadatas)
         {
             foreach (var metadata in metadatas)
             {
-                if (Plugins.ContainsKey(metadata.ID))
+                if (Plugins.TryGetValue(metadata.ID, out var settings))
                 {
-                    var settings = Plugins[metadata.ID];
-
+                    // If settings exist, update settings & metadata value
+                    // update settings values with metadata
                     if (string.IsNullOrEmpty(settings.Version))
+                    {
                         settings.Version = metadata.Version;
+                    }
+                    settings.DefaultActionKeywords = metadata.ActionKeywords; // metadata provides default values
+                    settings.DefaultSearchDelayTime = metadata.SearchDelayTime; // metadata provides default values
 
+                    // update metadata values with settings
                     if (settings.ActionKeywords?.Count > 0)
                     {
                         metadata.ActionKeywords = settings.ActionKeywords;
@@ -51,30 +66,65 @@ namespace Flow.Launcher.Infrastructure.UserSettings
                     }
                     metadata.Disabled = settings.Disabled;
                     metadata.Priority = settings.Priority;
+                    metadata.SearchDelayTime = settings.SearchDelayTime;
                 }
                 else
                 {
+                    // If settings does not exist, create a new one
                     Plugins[metadata.ID] = new Plugin
                     {
                         ID = metadata.ID,
                         Name = metadata.Name,
                         Version = metadata.Version,
-                        ActionKeywords = metadata.ActionKeywords, 
+                        DefaultActionKeywords = metadata.ActionKeywords, // metadata provides default values
+                        ActionKeywords = metadata.ActionKeywords, // use default value
                         Disabled = metadata.Disabled,
-                        Priority = metadata.Priority
+                        Priority = metadata.Priority,
+                        DefaultSearchDelayTime = metadata.SearchDelayTime, // metadata provides default values
+                        SearchDelayTime = metadata.SearchDelayTime, // use default value
                     };
                 }
             }
         }
+
+        public Plugin GetPluginSettings(string id)
+        {
+            if (Plugins.TryGetValue(id, out var plugin))
+            {
+                return plugin;
+            }
+            return null;
+        }
+
+        public Plugin RemovePluginSettings(string id)
+        {
+            Plugins.Remove(id, out var plugin);
+            return plugin;
+        }
     }
+
     public class Plugin
     {
         public string ID { get; set; }
+
         public string Name { get; set; }
+
         public string Version { get; set; }
-        public List<string> ActionKeywords { get; set; } // a reference of the action keywords from plugin manager
+
+        [JsonIgnore]
+        public List<string> DefaultActionKeywords { get; set; }
+
+        // a reference of the action keywords from plugin manager
+        public List<string> ActionKeywords { get; set; }
+
         public int Priority { get; set; }
 
+        [JsonIgnore]
+        public SearchDelayTime? DefaultSearchDelayTime { get; set; }
+
+        [JsonConverter(typeof(JsonStringEnumConverter))]
+        public SearchDelayTime? SearchDelayTime { get; set; }
+
         /// <summary>
         /// Used only to save the state of the plugin in settings
         /// </summary>

Flow.Launcher.Infrastructure/UserSettings/Settings.cs

@@ -68,14 +68,16 @@ namespace Flow.Launcher.Infrastructure.UserSettings
             get => _theme;
             set
             {
-                if (value == _theme)
-                    return;
-                _theme = value;
-                OnPropertyChanged();
-                OnPropertyChanged(nameof(MaxResultsToShow));
+                if (value != _theme)
+                {
+                    _theme = value;
+                    OnPropertyChanged();
+                    OnPropertyChanged(nameof(MaxResultsToShow));
+                }
             }
         }
         public bool UseDropShadowEffect { get; set; } = true;
+        public BackdropTypes BackdropType{ get; set; } = BackdropTypes.None;
 
         /* Appearance Settings. It should be separated from the setting later.*/
         public double WindowHeightSize { get; set; } = 42;
@@ -110,7 +112,34 @@ namespace Flow.Launcher.Infrastructure.UserSettings
         public double SettingWindowHeight { get; set; } = 700;
         public double? SettingWindowTop { get; set; } = null;
         public double? SettingWindowLeft { get; set; } = null;
-        public System.Windows.WindowState SettingWindowState { get; set; } = WindowState.Normal;
+        public WindowState SettingWindowState { get; set; } = WindowState.Normal;
+
+        bool _showPlaceholder { get; set; } = false;
+        public bool ShowPlaceholder
+        {
+            get => _showPlaceholder;
+            set
+            {
+                if (_showPlaceholder != value)
+                {
+                    _showPlaceholder = value;
+                    OnPropertyChanged();
+                }
+            }
+        }
+        string _placeholderText { get; set; } = string.Empty;
+        public string PlaceholderText
+        {
+            get => _placeholderText;
+            set
+            {
+                if (_placeholderText != value)
+                {
+                    _placeholderText = value;
+                    OnPropertyChanged();
+                }
+            }
+        }
 
         public int CustomExplorerIndex { get; set; } = 0;
 
@@ -240,10 +269,26 @@ namespace Flow.Launcher.Infrastructure.UserSettings
         /// </summary>
         public double CustomWindowTop { get; set; } = 0;
 
-        public bool KeepMaxResults { get; set; } = false;
-        public int MaxResultsToShow { get; set; } = 5;
-        public int ActivateTimes { get; set; }
+        /// <summary>
+        /// Fixed window size
+        /// </summary>
+        private bool _keepMaxResults { get; set; } = false;
+        public bool KeepMaxResults
+        {
+            get => _keepMaxResults;
+            set
+            {
+                if (_keepMaxResults != value)
+                {
+                    _keepMaxResults = value;
+                    OnPropertyChanged();
+                }
+            }
+        }
 
+        public int MaxResultsToShow { get; set; } = 5;
+
+        public int ActivateTimes { get; set; }
 
         public ObservableCollection<CustomPluginHotkey> CustomPluginHotkeys { get; set; } = new ObservableCollection<CustomPluginHotkey>();
 
@@ -265,7 +310,7 @@ namespace Flow.Launcher.Infrastructure.UserSettings
         bool _hideNotifyIcon { get; set; }
         public bool HideNotifyIcon
         {
-            get { return _hideNotifyIcon; }
+            get => _hideNotifyIcon;
             set
             {
                 _hideNotifyIcon = value;
@@ -275,6 +320,11 @@ namespace Flow.Launcher.Infrastructure.UserSettings
         public bool LeaveCmdOpen { get; set; }
         public bool HideWhenDeactivated { get; set; } = true;
 
+        public bool SearchQueryResultsWithDelay { get; set; }
+
+        [JsonConverter(typeof(JsonStringEnumConverter))]
+        public SearchDelayTime SearchDelayTime { get; set; } = SearchDelayTime.Normal;
+
         [JsonConverter(typeof(JsonStringEnumConverter))]
         public SearchWindowScreens SearchWindowScreen { get; set; } = SearchWindowScreens.Cursor;
 
@@ -297,7 +347,6 @@ namespace Flow.Launcher.Infrastructure.UserSettings
         [JsonIgnore]
         public bool WMPInstalled { get; set; } = true;
 
-
         // This needs to be loaded last by staying at the bottom
         public PluginsSettings PluginSettings { get; set; } = new PluginsSettings();
 
@@ -430,4 +479,12 @@ namespace Flow.Launcher.Infrastructure.UserSettings
         Fast,
         Custom
     }
+
+    public enum BackdropTypes
+    {
+        None,    
+        Acrylic,
+        Mica,
+        MicaAlt
+    }
 }

Flow.Launcher.Infrastructure/Win32Helper.cs

@@ -1,7 +1,18 @@
 using System;
+using System.ComponentModel;
+using System.Globalization;
 using System.Runtime.InteropServices;
-using System.Windows.Interop;
 using System.Windows;
+using System.Windows.Interop;
+using System.Windows.Media;
+using Flow.Launcher.Infrastructure.UserSettings;
+using Microsoft.Win32;
+using Windows.Win32;
+using Windows.Win32.Foundation;
+using Windows.Win32.Graphics.Dwm;
+using Windows.Win32.UI.Input.KeyboardAndMouse;
+using Windows.Win32.UI.WindowsAndMessaging;
+using Point = System.Windows.Point;
 
 namespace Flow.Launcher.Infrastructure
 {
@@ -9,93 +20,473 @@ namespace Flow.Launcher.Infrastructure
     {
         #region Blur Handling
 
-        /*
-        Found on https://github.com/riverar/sample-win10-aeroglass
-        */
-
-        private enum AccentState
+        public static bool IsBackdropSupported()
         {
-            ACCENT_DISABLED = 0,
-            ACCENT_ENABLE_GRADIENT = 1,
-            ACCENT_ENABLE_TRANSPARENTGRADIENT = 2,
-            ACCENT_ENABLE_BLURBEHIND = 3,
-            ACCENT_INVALID_STATE = 4
+            // Mica and Acrylic only supported Windows 11 22000+
+            return RuntimeInformation.IsOSPlatform(OSPlatform.Windows) &&
+                Environment.OSVersion.Version.Build >= 22000;
         }
 
-        [StructLayout(LayoutKind.Sequential)]
-        private struct AccentPolicy
+        public static unsafe bool DWMSetCloakForWindow(Window window, bool cloak)
         {
-            public AccentState AccentState;
-            public int AccentFlags;
-            public int GradientColor;
-            public int AnimationId;
+            var cloaked = cloak ? 1 : 0;
+
+            return PInvoke.DwmSetWindowAttribute(
+                GetWindowHandle(window),
+                DWMWINDOWATTRIBUTE.DWMWA_CLOAK,
+                &cloaked,
+                (uint)Marshal.SizeOf<int>()).Succeeded;
         }
 
-        [StructLayout(LayoutKind.Sequential)]
-        private struct WindowCompositionAttributeData
+        public static unsafe bool DWMSetBackdropForWindow(Window window, BackdropTypes backdrop)
         {
-            public WindowCompositionAttribute Attribute;
-            public IntPtr Data;
-            public int SizeOfData;
+            var backdropType = backdrop switch
+            {
+                BackdropTypes.Acrylic => DWM_SYSTEMBACKDROP_TYPE.DWMSBT_TRANSIENTWINDOW,
+                BackdropTypes.Mica => DWM_SYSTEMBACKDROP_TYPE.DWMSBT_MAINWINDOW,
+                BackdropTypes.MicaAlt => DWM_SYSTEMBACKDROP_TYPE.DWMSBT_TABBEDWINDOW,
+                _ => DWM_SYSTEMBACKDROP_TYPE.DWMSBT_AUTO
+            };
+
+            return PInvoke.DwmSetWindowAttribute(
+                GetWindowHandle(window),
+                DWMWINDOWATTRIBUTE.DWMWA_SYSTEMBACKDROP_TYPE,
+                &backdropType,
+                (uint)Marshal.SizeOf<int>()).Succeeded;
         }
 
-        private enum WindowCompositionAttribute
+        public static unsafe bool DWMSetDarkModeForWindow(Window window, bool useDarkMode)
         {
-            WCA_ACCENT_POLICY = 19
-        }
+            var darkMode = useDarkMode ? 1 : 0;
 
-        [DllImport("user32.dll")]
-        private static extern int SetWindowCompositionAttribute(IntPtr hwnd, ref WindowCompositionAttributeData data);
+            return PInvoke.DwmSetWindowAttribute(
+                GetWindowHandle(window),
+                DWMWINDOWATTRIBUTE.DWMWA_USE_IMMERSIVE_DARK_MODE,
+                &darkMode,
+                (uint)Marshal.SizeOf<int>()).Succeeded;
+        }
 
         /// <summary>
-        /// Checks if the blur theme is enabled
+        ///
         /// </summary>
-        public static bool IsBlurTheme()
+        /// <param name="window"></param>
+        /// <param name="cornerType">DoNotRound, Round, RoundSmall, Default</param>
+        /// <returns></returns>
+        public static unsafe bool DWMSetCornerPreferenceForWindow(Window window, string cornerType)
         {
-            if (Environment.OSVersion.Version >= new Version(6, 2))
+            var preference = cornerType switch
             {
-                var resource = Application.Current.TryFindResource("ThemeBlurEnabled");
+                "DoNotRound" => DWM_WINDOW_CORNER_PREFERENCE.DWMWCP_DONOTROUND,
+                "Round" => DWM_WINDOW_CORNER_PREFERENCE.DWMWCP_ROUND,
+                "RoundSmall" => DWM_WINDOW_CORNER_PREFERENCE.DWMWCP_ROUNDSMALL,
+                "Default" => DWM_WINDOW_CORNER_PREFERENCE.DWMWCP_DEFAULT,
+                _ => throw new InvalidOperationException("Invalid corner type")
+            };
 
-                if (resource is bool b)
-                    return b;
+            return PInvoke.DwmSetWindowAttribute(
+                GetWindowHandle(window),
+                DWMWINDOWATTRIBUTE.DWMWA_WINDOW_CORNER_PREFERENCE,
+                &preference,
+                (uint)Marshal.SizeOf<int>()).Succeeded;
+        }
 
+        #endregion
+
+        #region Wallpaper
+
+        public static unsafe string GetWallpaperPath()
+        {
+            var wallpaperPtr = stackalloc char[(int)PInvoke.MAX_PATH];
+            PInvoke.SystemParametersInfo(SYSTEM_PARAMETERS_INFO_ACTION.SPI_GETDESKWALLPAPER, PInvoke.MAX_PATH,
+                wallpaperPtr,
+                0);
+            var wallpaper = MemoryMarshal.CreateReadOnlySpanFromNullTerminated(wallpaperPtr);
+
+            return wallpaper.ToString();
+        }
+
+        #endregion
+
+        #region Window Foreground
+
+        public static nint GetForegroundWindow()
+        {
+            return PInvoke.GetForegroundWindow().Value;
+        }
+
+        public static bool SetForegroundWindow(Window window)
+        {
+            return PInvoke.SetForegroundWindow(GetWindowHandle(window));
+        }
+
+        public static bool SetForegroundWindow(nint handle)
+        {
+            return PInvoke.SetForegroundWindow(new(handle));
+        }
+
+        #endregion
+
+        #region Task Switching
+
+        /// <summary>
+        /// Hide windows in the Alt+Tab window list
+        /// </summary>
+        /// <param name="window">To hide a window</param>
+        public static void HideFromAltTab(Window window)
+        {
+            var hwnd = GetWindowHandle(window);
+
+            var exStyle = GetWindowStyle(hwnd, WINDOW_LONG_PTR_INDEX.GWL_EXSTYLE);
+
+            // Add TOOLWINDOW style, remove APPWINDOW style
+            var newExStyle = ((uint)exStyle | (uint)WINDOW_EX_STYLE.WS_EX_TOOLWINDOW) & ~(uint)WINDOW_EX_STYLE.WS_EX_APPWINDOW;
+
+            SetWindowStyle(hwnd, WINDOW_LONG_PTR_INDEX.GWL_EXSTYLE, (int)newExStyle);
+        }
+
+        /// <summary>
+        /// Restore window display in the Alt+Tab window list.
+        /// </summary>
+        /// <param name="window">To restore the displayed window</param>
+        public static void ShowInAltTab(Window window)
+        {
+            var hwnd = GetWindowHandle(window);
+
+            var exStyle = GetWindowStyle(hwnd, WINDOW_LONG_PTR_INDEX.GWL_EXSTYLE);
+
+            // Remove the TOOLWINDOW style and add the APPWINDOW style.
+            var newExStyle = ((uint)exStyle & ~(uint)WINDOW_EX_STYLE.WS_EX_TOOLWINDOW) | (uint)WINDOW_EX_STYLE.WS_EX_APPWINDOW;
+
+            SetWindowStyle(GetWindowHandle(window), WINDOW_LONG_PTR_INDEX.GWL_EXSTYLE, (int)newExStyle);
+        }
+
+        /// <summary>
+        /// Disable windows toolbar's control box
+        /// This will also disable system menu with Alt+Space hotkey
+        /// </summary>
+        public static void DisableControlBox(Window window)
+        {
+            var hwnd = GetWindowHandle(window);
+
+            var style = GetWindowStyle(hwnd, WINDOW_LONG_PTR_INDEX.GWL_STYLE);
+
+            style &= ~(int)WINDOW_STYLE.WS_SYSMENU;
+
+            SetWindowStyle(hwnd, WINDOW_LONG_PTR_INDEX.GWL_STYLE, style);
+        }
+
+        private static int GetWindowStyle(HWND hWnd, WINDOW_LONG_PTR_INDEX nIndex)
+        {
+            var style = PInvoke.GetWindowLong(hWnd, nIndex);
+            if (style == 0 && Marshal.GetLastPInvokeError() != 0)
+            {
+                throw new Win32Exception(Marshal.GetLastPInvokeError());
+            }
+            return style;
+        }
+
+        private static nint SetWindowStyle(HWND hWnd, WINDOW_LONG_PTR_INDEX nIndex, int dwNewLong)
+        {
+            PInvoke.SetLastError(WIN32_ERROR.NO_ERROR); // Clear any existing error
+
+            var result = PInvoke.SetWindowLongPtr(hWnd, nIndex, dwNewLong);
+            if (result == 0 && Marshal.GetLastPInvokeError() != 0)
+            {
+                throw new Win32Exception(Marshal.GetLastPInvokeError());
+            }
+
+            return result;
+        }
+
+        #endregion
+
+        #region Window Fullscreen
+
+        private const string WINDOW_CLASS_CONSOLE = "ConsoleWindowClass";
+        private const string WINDOW_CLASS_WINTAB = "Flip3D";
+        private const string WINDOW_CLASS_PROGMAN = "Progman";
+        private const string WINDOW_CLASS_WORKERW = "WorkerW";
+
+        private static HWND _hwnd_shell;
+        private static HWND HWND_SHELL =>
+            _hwnd_shell != HWND.Null ? _hwnd_shell : _hwnd_shell = PInvoke.GetShellWindow();
+
+        private static HWND _hwnd_desktop;
+        private static HWND HWND_DESKTOP =>
+            _hwnd_desktop != HWND.Null ? _hwnd_desktop : _hwnd_desktop = PInvoke.GetDesktopWindow();
+
+        public static unsafe bool IsForegroundWindowFullscreen()
+        {
+            // Get current active window
+            var hWnd = PInvoke.GetForegroundWindow();
+            if (hWnd.Equals(HWND.Null))
+            {
                 return false;
             }
 
-            return false;
+            // If current active window is desktop or shell, exit early
+            if (hWnd.Equals(HWND_DESKTOP) || hWnd.Equals(HWND_SHELL))
+            {
+                return false;
+            }
+
+            string windowClass;
+            const int capacity = 256;
+            Span<char> buffer = stackalloc char[capacity];
+            int validLength;
+            fixed (char* pBuffer = buffer)
+            {
+                validLength = PInvoke.GetClassName(hWnd, pBuffer, capacity);
+            }
+
+            windowClass = buffer[..validLength].ToString();
+
+            // For Win+Tab (Flip3D)
+            if (windowClass == WINDOW_CLASS_WINTAB)
+            {
+                return false;
+            }
+
+            PInvoke.GetWindowRect(hWnd, out var appBounds);
+
+            // For console (ConsoleWindowClass), we have to check for negative dimensions
+            if (windowClass == WINDOW_CLASS_CONSOLE)
+            {
+                return appBounds.top < 0 && appBounds.bottom < 0;
+            }
+
+            // For desktop (Progman or WorkerW, depends on the system), we have to check
+            if (windowClass is WINDOW_CLASS_PROGMAN or WINDOW_CLASS_WORKERW)
+            {
+                var hWndDesktop = PInvoke.FindWindowEx(hWnd, HWND.Null, "SHELLDLL_DefView", null);
+                hWndDesktop = PInvoke.FindWindowEx(hWndDesktop, HWND.Null, "SysListView32", "FolderView");
+                if (hWndDesktop.Value != IntPtr.Zero)
+                {
+                    return false;
+                }
+            }
+
+            var monitorInfo = MonitorInfo.GetNearestDisplayMonitor(hWnd);
+            return (appBounds.bottom - appBounds.top) == monitorInfo.RectMonitor.Height &&
+                   (appBounds.right - appBounds.left) == monitorInfo.RectMonitor.Width;
+        }
+
+        #endregion
+
+        #region Pixel to DIP
+
+        /// <summary>
+        /// Transforms pixels to Device Independent Pixels used by WPF
+        /// </summary>
+        /// <param name="visual">current window, required to get presentation source</param>
+        /// <param name="unitX">horizontal position in pixels</param>
+        /// <param name="unitY">vertical position in pixels</param>
+        /// <returns>point containing device independent pixels</returns>
+        public static Point TransformPixelsToDIP(Visual visual, double unitX, double unitY)
+        {
+            Matrix matrix;
+            var source = PresentationSource.FromVisual(visual);
+            if (source is not null)
+            {
+                matrix = source.CompositionTarget.TransformFromDevice;
+            }
+            else
+            {
+                using var src = new HwndSource(new HwndSourceParameters());
+                matrix = src.CompositionTarget.TransformFromDevice;
+            }
+
+            return new Point((int)(matrix.M11 * unitX), (int)(matrix.M22 * unitY));
+        }
+
+        #endregion
+
+        #region WndProc
+
+        public const int WM_ENTERSIZEMOVE = (int)PInvoke.WM_ENTERSIZEMOVE;
+        public const int WM_EXITSIZEMOVE = (int)PInvoke.WM_EXITSIZEMOVE;
+
+        #endregion
+
+        #region Window Handle
+
+        internal static HWND GetWindowHandle(Window window, bool ensure = false)
+        {
+            var windowHelper = new WindowInteropHelper(window);
+            if (ensure)
+            {
+                windowHelper.EnsureHandle();
+            }
+            return new(windowHelper.Handle);
+        }
+
+        #endregion
+
+        #region Keyboard Layout
+
+        private const string UserProfileRegistryPath = @"Control Panel\International\User Profile";
+
+        // https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-lcid/70feba9f-294e-491e-b6eb-56532684c37f
+        private const string EnglishLanguageTag = "en";
+
+        private static readonly string[] ImeLanguageTags =
+        {
+            "zh", // Chinese
+            "ja", // Japanese
+            "ko", // Korean
+        };
+
+        private const uint KeyboardLayoutLoWord = 0xFFFF;
+
+        // Store the previous keyboard layout
+        private static HKL _previousLayout;
+
+        /// <summary>
+        /// Switches the keyboard layout to English if available.
+        /// </summary>
+        /// <param name="backupPrevious">If true, the current keyboard layout will be stored for later restoration.</param>
+        /// <exception cref="Win32Exception">Thrown when there's an error getting the window thread process ID.</exception>
+        public static unsafe void SwitchToEnglishKeyboardLayout(bool backupPrevious)
+        {
+            // Find an installed English layout
+            var enHKL = FindEnglishKeyboardLayout();
+
+            // No installed English layout found
+            if (enHKL == HKL.Null) return;
+
+            // Get the current foreground window
+            var hwnd = PInvoke.GetForegroundWindow();
+            if (hwnd == HWND.Null) return;
+
+            // Get the current foreground window thread ID
+            var threadId = PInvoke.GetWindowThreadProcessId(hwnd);
+            if (threadId == 0) throw new Win32Exception(Marshal.GetLastWin32Error());
+
+            // If the current layout has an IME mode, disable it without switching to another layout.
+            // This is needed because for languages with IME mode, Flow Launcher just temporarily disables
+            // the IME mode instead of switching to another layout.
+            var currentLayout = PInvoke.GetKeyboardLayout(threadId);
+            var currentLangId = (uint)currentLayout.Value & KeyboardLayoutLoWord;
+            foreach (var langTag in ImeLanguageTags)
+            {
+                if (GetLanguageTag(currentLangId).StartsWith(langTag, StringComparison.OrdinalIgnoreCase))
+                {
+                    return;
+                }
+            }
+
+            // Backup current keyboard layout
+            if (backupPrevious) _previousLayout = currentLayout;
+
+            // Switch to English layout
+            PInvoke.ActivateKeyboardLayout(enHKL, 0);
         }
 
         /// <summary>
-        /// Sets the blur for a window via SetWindowCompositionAttribute
+        /// Restores the previously backed-up keyboard layout.
+        /// If it wasn't backed up or has already been restored, this method does nothing.
         /// </summary>
-        public static void SetBlurForWindow(Window w, bool blur)
+        public static void RestorePreviousKeyboardLayout()
         {
-            SetWindowAccent(w, blur ? AccentState.ACCENT_ENABLE_BLURBEHIND : AccentState.ACCENT_DISABLED);
+            if (_previousLayout == HKL.Null) return;
+
+            var hwnd = PInvoke.GetForegroundWindow();
+            if (hwnd == HWND.Null) return;
+
+            PInvoke.PostMessage(
+                hwnd,
+                PInvoke.WM_INPUTLANGCHANGEREQUEST,
+                PInvoke.INPUTLANGCHANGE_FORWARD,
+                _previousLayout.Value
+            );
+
+            _previousLayout = HKL.Null;
         }
 
-        private static void SetWindowAccent(Window w, AccentState state)
+        /// <summary>
+        /// Finds an installed English keyboard layout.
+        /// </summary>
+        /// <returns></returns>
+        /// <exception cref="Win32Exception"></exception>
+        private static unsafe HKL FindEnglishKeyboardLayout()
         {
-            var windowHelper = new WindowInteropHelper(w);
+            // Get the number of keyboard layouts
+            int count = PInvoke.GetKeyboardLayoutList(0, null);
+            if (count <= 0) return HKL.Null;
 
-            windowHelper.EnsureHandle();
-
-            var accent = new AccentPolicy { AccentState = state };
-            var accentStructSize = Marshal.SizeOf(accent);
-
-            var accentPtr = Marshal.AllocHGlobal(accentStructSize);
-            Marshal.StructureToPtr(accent, accentPtr, false);
-
-            var data = new WindowCompositionAttributeData
+            // Get all keyboard layouts
+            var handles = new HKL[count];
+            fixed (HKL* h = handles)
             {
-                Attribute = WindowCompositionAttribute.WCA_ACCENT_POLICY,
-                SizeOfData = accentStructSize,
-                Data = accentPtr
-            };
+                var result = PInvoke.GetKeyboardLayoutList(count, h);
+                if (result == 0) throw new Win32Exception(Marshal.GetLastWin32Error());
+            }
 
-            SetWindowCompositionAttribute(windowHelper.Handle, ref data);
+            // Look for any English keyboard layout
+            foreach (var hkl in handles)
+            {
+                // The lower word contains the language identifier
+                var langId = (uint)hkl.Value & KeyboardLayoutLoWord;
+                var langTag = GetLanguageTag(langId);
 
-            Marshal.FreeHGlobal(accentPtr);
+                // Check if it's an English layout
+                if (langTag.StartsWith(EnglishLanguageTag, StringComparison.OrdinalIgnoreCase))
+                {
+                    return hkl;
+                }
+            }
+
+            return HKL.Null;
         }
+
+        /// <summary>
+        ///  Returns the
+        ///  <see href="https://learn.microsoft.com/globalization/locale/standard-locale-names">
+        ///   BCP 47 language tag
+        ///  </see>
+        ///  of the current input language.
+        /// </summary>
+        /// <remarks>
+        /// Edited from: https://github.com/dotnet/winforms
+        /// </remarks>
+        private static string GetLanguageTag(uint langId)
+        {
+            // We need to convert the language identifier to a language tag, because they are deprecated and may have a
+            // transient value.
+            // https://learn.microsoft.com/globalization/locale/other-locale-names#lcid
+            // https://learn.microsoft.com/windows/win32/winmsg/wm-inputlangchange#remarks
+            //
+            // It turns out that the LCIDToLocaleName API, which is used inside CultureInfo, may return incorrect
+            // language tags for transient language identifiers. For example, it returns "nqo-GN" and "jv-Java-ID"
+            // instead of the "nqo" and "jv-Java" (as seen in the Get-WinUserLanguageList PowerShell cmdlet).
+            //
+            // Try to extract proper language tag from registry as a workaround approved by a Windows team.
+            // https://github.com/dotnet/winforms/pull/8573#issuecomment-1542600949
+            //
+            // NOTE: this logic may break in future versions of Windows since it is not documented.
+            if (langId is PInvoke.LOCALE_TRANSIENT_KEYBOARD1
+                or PInvoke.LOCALE_TRANSIENT_KEYBOARD2
+                or PInvoke.LOCALE_TRANSIENT_KEYBOARD3
+                or PInvoke.LOCALE_TRANSIENT_KEYBOARD4)
+            {
+                using var key = Registry.CurrentUser.OpenSubKey(UserProfileRegistryPath);
+                if (key?.GetValue("Languages") is string[] languages)
+                {
+                    foreach (string language in languages)
+                    {
+                        using var subKey = key.OpenSubKey(language);
+                        if (subKey?.GetValue("TransientLangId") is int transientLangId
+                            && transientLangId == langId)
+                        {
+                            return language;
+                        }
+                    }
+                }
+            }
+
+            return CultureInfo.GetCultureInfo((int)langId).Name;
+        }
+
         #endregion
     }
 }

Flow.Launcher.Plugin/ActionContext.cs

@@ -51,6 +51,9 @@ namespace Flow.Launcher.Plugin
                    (WinPressed ? ModifierKeys.Windows : ModifierKeys.None);
         }
 
+        /// <summary>
+        /// Default <see cref="SpecialKeyState"/> object with all keys not pressed.
+        /// </summary>
         public static readonly SpecialKeyState Default = new () {
             CtrlPressed = false,
             ShiftPressed = false,

Flow.Launcher.Plugin/Interfaces/IPublicAPI.cs

@@ -152,7 +152,6 @@ namespace Flow.Launcher.Plugin
         /// <param name="callback"></param>
         public void RemoveGlobalKeyboardCallback(Func<int, int, SpecialKeyState, bool> callback);
 
-
         /// <summary>
         /// Fuzzy Search the string with the given query. This is the core search mechanism Flow uses
         /// </summary>
@@ -191,14 +190,15 @@ namespace Flow.Launcher.Plugin
         Task HttpDownloadAsync([NotNull] string url, [NotNull] string filePath, Action<double> reportProgress = null, CancellationToken token = default);
 
         /// <summary>
-        /// Add ActionKeyword for specific plugin
+        /// Add ActionKeyword and update action keyword metadata for specific plugin
+        /// Before adding, please check if action keyword is already assigned by <see cref="ActionKeywordAssigned"/>
         /// </summary>
         /// <param name="pluginId">ID for plugin that needs to add action keyword</param>
         /// <param name="newActionKeyword">The actionkeyword that is supposed to be added</param>
         void AddActionKeyword(string pluginId, string newActionKeyword);
 
         /// <summary>
-        /// Remove ActionKeyword for specific plugin
+        /// Remove ActionKeyword and update action keyword metadata for specific plugin
         /// </summary>
         /// <param name="pluginId">ID for plugin that needs to remove action keyword</param>
         /// <param name="oldActionKeyword">The actionkeyword that is supposed to be removed</param>

Flow.Launcher.Plugin/Interfaces/IResultUpdated.cs

@@ -4,17 +4,42 @@ using System.Threading;
 
 namespace Flow.Launcher.Plugin
 {
+    /// <summary>
+    /// Interface for plugins that want to manually update their results
+    /// </summary>
     public interface IResultUpdated : IFeatures
     {
+        /// <summary>
+        /// Event that is triggered when the results are updated
+        /// </summary>
         event ResultUpdatedEventHandler ResultsUpdated;
     }
 
+    /// <summary>
+    /// Delegate for the ResultsUpdated event
+    /// </summary>
+    /// <param name="sender"></param>
+    /// <param name="e"></param>
     public delegate void ResultUpdatedEventHandler(IResultUpdated sender, ResultUpdatedEventArgs e);
 
+    /// <summary>
+    /// Event arguments for the ResultsUpdated event
+    /// </summary>
     public class ResultUpdatedEventArgs : EventArgs
     {
+        /// <summary>
+        /// List of results that should be displayed
+        /// </summary>
         public List<Result> Results;
+
+        /// <summary>
+        /// Query that triggered the update
+        /// </summary>
         public Query Query;
+
+        /// <summary>
+        /// Token that can be used to cancel the update
+        /// </summary>
         public CancellationToken Token { get; init; }
     }
-}
+}

Flow.Launcher.Plugin/Interfaces/ISettingProvider.cs

@@ -2,8 +2,15 @@
 
 namespace Flow.Launcher.Plugin
 {
+    /// <summary>
+    /// This interface is used to create settings panel for .Net plugins
+    /// </summary>
     public interface ISettingProvider
     {
+        /// <summary>
+        /// Create settings panel control for .Net plugins
+        /// </summary>
+        /// <returns></returns>
         Control CreateSettingPanel();
     }
 }

Flow.Launcher.Plugin/PluginInitContext.cs

@@ -5,10 +5,18 @@
     /// </summary>
     public class PluginInitContext
     {
+        /// <summary>
+        /// Default constructor.
+        /// </summary>
         public PluginInitContext()
         {
         }
 
+        /// <summary>
+        /// Constructor.
+        /// </summary>
+        /// <param name="currentPluginMetadata"></param>
+        /// <param name="api"></param>
         public PluginInitContext(PluginMetadata currentPluginMetadata, IPublicAPI api)
         {
             CurrentPluginMetadata = currentPluginMetadata;

Flow.Launcher.Plugin/PluginMetadata.cs

@@ -4,24 +4,77 @@ using System.Text.Json.Serialization;
 
 namespace Flow.Launcher.Plugin
 {
+    /// <summary>
+    /// Plugin metadata
+    /// </summary>
     public class PluginMetadata : BaseModel
     {
-        private string _pluginDirectory;
+        /// <summary>
+        /// Plugin ID.
+        /// </summary>
         public string ID { get; set; }
-        public string Name { get; set; }
-        public string Author { get; set; }
-        public string Version { get; set; }
-        public string Language { get; set; }
-        public string Description { get; set; }
-        public string Website { get; set; }
-        public bool Disabled { get; set; }
-        public string ExecuteFilePath { get; private set;}
 
+        /// <summary>
+        /// Plugin name.
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// Plugin author.
+        /// </summary>
+        public string Author { get; set; }
+
+        /// <summary>
+        /// Plugin version.
+        /// </summary>
+        public string Version { get; set; }
+
+        /// <summary>
+        /// Plugin language.
+        /// See <see cref="AllowedLanguage"/>
+        /// </summary>
+        public string Language { get; set; }
+
+        /// <summary>
+        /// Plugin description.
+        /// </summary>
+        public string Description { get; set; }
+
+        /// <summary>
+        /// Plugin website.
+        /// </summary>
+        public string Website { get; set; }
+
+        /// <summary>
+        /// Whether plugin is disabled.
+        /// </summary>
+        public bool Disabled { get; set; }
+
+        /// <summary>
+        /// Plugin execute file path.
+        /// </summary>
+        public string ExecuteFilePath { get; private set; }
+
+        /// <summary>
+        /// Plugin execute file name.
+        /// </summary>
         public string ExecuteFileName { get; set; }
 
+        /// <summary>
+        /// Plugin assembly name.
+        /// Only available for .Net plugins.
+        /// </summary>
+        [JsonIgnore]
+        public string AssemblyName { get; internal set; }
+
+        private string _pluginDirectory;
+
+        /// <summary>
+        /// Plugin source directory.
+        /// </summary>
         public string PluginDirectory
         {
-            get { return _pluginDirectory; }
+            get => _pluginDirectory;
             internal set
             {
                 _pluginDirectory = value;
@@ -30,28 +83,78 @@ namespace Flow.Launcher.Plugin
             }
         }
 
+        /// <summary>
+        /// The first action keyword of plugin.
+        /// </summary>
         public string ActionKeyword { get; set; }
 
+        /// <summary>
+        /// All action keywords of plugin.
+        /// </summary>
         public List<string> ActionKeywords { get; set; }
 
-        public string IcoPath { get; set;}
-        
-        public override string ToString()
-        {
-            return Name;
-        }
+        /// <summary>
+        /// Hide plugin keyword setting panel.
+        /// </summary>
+        public bool HideActionKeywordPanel { get; set; }
 
+        /// <summary>
+        /// Plugin search delay time. Null means use default search delay time.
+        /// </summary>
+        [JsonConverter(typeof(JsonStringEnumConverter))]
+        public SearchDelayTime? SearchDelayTime { get; set; } = null;
+
+        /// <summary>
+        /// Plugin icon path.
+        /// </summary>
+        public string IcoPath { get; set;}
+
+        /// <summary>
+        /// Plugin priority.
+        /// </summary>
         [JsonIgnore]
         public int Priority { get; set; }
 
         /// <summary>
-        /// Init time include both plugin load time and init time
+        /// Init time include both plugin load time and init time.
         /// </summary>
         [JsonIgnore]
         public long InitTime { get; set; }
+
+        /// <summary>
+        /// Average query time.
+        /// </summary>
         [JsonIgnore]
         public long AvgQueryTime { get; set; }
+
+        /// <summary>
+        /// Query count.
+        /// </summary>
         [JsonIgnore]
         public int QueryCount { get; set; }
+
+        /// <summary>
+        /// The path to the plugin settings directory which is not validated.
+        /// It is used to store plugin settings files and data files.
+        /// When plugin is deleted, FL will ask users whether to keep its settings.
+        /// If users do not want to keep, this directory will be deleted.
+        /// </summary>
+        public string PluginSettingsDirectoryPath { get; internal set; }
+
+        /// <summary>
+        /// The path to the plugin cache directory which is not validated.
+        /// It is used to store cache files.
+        /// When plugin is deleted, this directory will be deleted as well.
+        /// </summary>
+        public string PluginCacheDirectoryPath { get; internal set; }
+
+        /// <summary>
+        /// Convert <see cref="PluginMetadata"/> to string.
+        /// </summary>
+        /// <returns></returns>
+        public override string ToString()
+        {
+            return Name;
+        }
     }
 }

Flow.Launcher.Plugin/PluginPair.cs

@@ -1,21 +1,37 @@
 namespace Flow.Launcher.Plugin
 {
+    /// <summary>
+    /// Plugin instance and plugin metadata
+    /// </summary>
     public class PluginPair
     {
+        /// <summary>
+        /// Plugin instance
+        /// </summary>
         public IAsyncPlugin Plugin { get; internal set; }
+
+        /// <summary>
+        /// Plugin metadata
+        /// </summary>
         public PluginMetadata Metadata { get; internal set; }
 
-        
-
+        /// <summary>
+        /// Convert to string
+        /// </summary>
+        /// <returns></returns>
         public override string ToString()
         {
             return Metadata.Name;
         }
 
+        /// <summary>
+        /// Compare by plugin metadata ID
+        /// </summary>
+        /// <param name="obj"></param>
+        /// <returns></returns>
         public override bool Equals(object obj)
         {
-            PluginPair r = obj as PluginPair;
-            if (r != null)
+            if (obj is PluginPair r)
             {
                 return string.Equals(r.Metadata.ID, Metadata.ID);
             }
@@ -25,6 +41,10 @@
             }
         }
 
+        /// <summary>
+        /// Get hash code
+        /// </summary>
+        /// <returns></returns>
         public override int GetHashCode()
         {
             var hashcode = Metadata.ID?.GetHashCode() ?? 0;

Flow.Launcher.Plugin/Query.cs

@@ -2,10 +2,11 @@
 
 namespace Flow.Launcher.Plugin
 {
+    /// <summary>
+    /// Represents a query that is sent to a plugin.
+    /// </summary>
     public class Query
     {
-        public Query() { }
-
         /// <summary>
         /// Raw query, this includes action keyword if it has
         /// We didn't recommend use this property directly. You should always use Search property.
@@ -39,10 +40,9 @@ namespace Flow.Launcher.Plugin
         public const string TermSeparator = " ";
 
         /// <summary>
-        /// User can set multiple action keywords seperated by ';'
+        /// User can set multiple action keywords seperated by whitespace
         /// </summary>
-        public const string ActionKeywordSeparator = ";";
-
+        public const string ActionKeywordSeparator = TermSeparator;
 
         /// <summary>
         /// Wildcard action keyword. Plugins using this value will be queried on every search.
@@ -55,13 +55,13 @@ namespace Flow.Launcher.Plugin
         /// </summary>
         public string ActionKeyword { get; init; }
 
-        [JsonIgnore]
         /// <summary>
         /// Splits <see cref="SearchTerms"/> by spaces and returns the first item.
         /// </summary>
         /// <remarks>
         /// returns an empty string when <see cref="SearchTerms"/> does not have enough items.
         /// </remarks>
+        [JsonIgnore]
         public string FirstSearch => SplitSearch(0);
         
         [JsonIgnore]

Flow.Launcher.Plugin/Result.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Runtime;
 using System.Collections.Generic;
 using System.IO;
 using System.Threading.Tasks;
@@ -13,7 +12,6 @@ namespace Flow.Launcher.Plugin
     /// </summary>
     public class Result
     {
-
         private string _pluginDirectory;
 
         private string _icoPath;

Flow.Launcher.Plugin/SearchDelayTime.cs

@@ -0,0 +1,32 @@
+namespace Flow.Launcher.Plugin;
+
+/// <summary>
+/// Enum for search delay time
+/// </summary>
+public enum SearchDelayTime
+{
+    /// <summary>
+    /// Very long search delay time. 250ms.
+    /// </summary>
+    VeryLong,
+
+    /// <summary>
+    /// Long search delay time. 200ms.
+    /// </summary>
+    Long,
+
+    /// <summary>
+    /// Normal search delay time. 150ms. Default value.
+    /// </summary>
+    Normal,
+
+    /// <summary>
+    /// Short search delay time. 100ms.
+    /// </summary>
+    Short,
+
+    /// <summary>
+    /// Very short search delay time. 50ms.
+    /// </summary>
+    VeryShort
+}

Flow.Launcher.Plugin/SharedCommands/SearchWeb.cs

@@ -6,6 +6,9 @@ using System.Linq;
 
 namespace Flow.Launcher.Plugin.SharedCommands
 {
+    /// <summary>
+    /// Contains methods to open a search in a new browser window or tab.
+    /// </summary>
     public static class SearchWeb
     {
         private static string GetDefaultBrowserPath()
@@ -106,4 +109,4 @@ namespace Flow.Launcher.Plugin.SharedCommands
             }
         }
     }
-}
+}

Flow.Launcher.Plugin/SharedCommands/ShellCommand.cs

@@ -8,12 +8,26 @@ using Windows.Win32.Foundation;
 
 namespace Flow.Launcher.Plugin.SharedCommands
 {
+    /// <summary>
+    /// Contains methods for running shell commands
+    /// </summary>
     public static class ShellCommand
     {
+        /// <summary>
+        /// Delegate for EnumThreadWindows
+        /// </summary>
+        /// <param name="hwnd"></param>
+        /// <param name="lParam"></param>
+        /// <returns></returns>
         public delegate bool EnumThreadDelegate(IntPtr hwnd, IntPtr lParam);
 
         private static bool containsSecurityWindow;
 
+        /// <summary>
+        /// Runs a windows command using the provided ProcessStartInfo
+        /// </summary>
+        /// <param name="processStartInfo"></param>
+        /// <returns></returns>
         public static Process RunAsDifferentUser(ProcessStartInfo processStartInfo)
         {
             processStartInfo.Verb = "RunAsUser";
@@ -65,6 +79,15 @@ namespace Flow.Launcher.Plugin.SharedCommands
             return buffer[..length].ToString();
         }
 
+        /// <summary>
+        /// Runs a windows command using the provided ProcessStartInfo
+        /// </summary>
+        /// <param name="fileName"></param>
+        /// <param name="workingDirectory"></param>
+        /// <param name="arguments"></param>
+        /// <param name="verb"></param>
+        /// <param name="createNoWindow"></param>
+        /// <returns></returns>
         public static ProcessStartInfo SetProcessStartInfo(this string fileName, string workingDirectory = "",
             string arguments = "", string verb = "", bool createNoWindow = false)
         {

Flow.Launcher.Plugin/SharedModels/MatchResult.cs

@@ -2,14 +2,29 @@
 
 namespace Flow.Launcher.Plugin.SharedModels
 {
+    /// <summary>
+    /// Represents the result of a match operation.
+    /// </summary>
     public class MatchResult
     {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="MatchResult"/> class.
+        /// </summary>
+        /// <param name="success"></param>
+        /// <param name="searchPrecision"></param>
         public MatchResult(bool success, SearchPrecisionScore searchPrecision)
         {
             Success = success;
             SearchPrecision = searchPrecision;
         }
 
+        /// <summary>
+        /// Initializes a new instance of the <see cref="MatchResult"/> class.
+        /// </summary>
+        /// <param name="success"></param>
+        /// <param name="searchPrecision"></param>
+        /// <param name="matchData"></param>
+        /// <param name="rawScore"></param>
         public MatchResult(bool success, SearchPrecisionScore searchPrecision, List<int> matchData, int rawScore)
         {
             Success = success;
@@ -18,6 +33,9 @@ namespace Flow.Launcher.Plugin.SharedModels
             RawScore = rawScore;
         }
 
+        /// <summary>
+        /// Whether the match operation was successful.
+        /// </summary>
         public bool Success { get; set; }
 
         /// <summary>
@@ -30,6 +48,9 @@ namespace Flow.Launcher.Plugin.SharedModels
         /// </summary>
         private int _rawScore;
 
+        /// <summary>
+        /// The raw calculated search score without any search precision filtering applied.
+        /// </summary>
         public int RawScore
         {
             get { return _rawScore; }
@@ -45,8 +66,15 @@ namespace Flow.Launcher.Plugin.SharedModels
         /// </summary>
         public List<int> MatchData { get; set; }
 
+        /// <summary>
+        /// The search precision score used to filter the search results.
+        /// </summary>
         public SearchPrecisionScore SearchPrecision { get; set; }
 
+        /// <summary>
+        /// Determines if the search precision score is met.
+        /// </summary>
+        /// <returns></returns>
         public bool IsSearchPrecisionScoreMet()
         {
             return IsSearchPrecisionScoreMet(_rawScore);
@@ -63,10 +91,24 @@ namespace Flow.Launcher.Plugin.SharedModels
         }
     }
 
+    /// <summary>
+    /// Represents the search precision score used to filter search results.
+    /// </summary>
     public enum SearchPrecisionScore
     {
+        /// <summary>
+        /// The highest search precision score.
+        /// </summary>
         Regular = 50,
+
+        /// <summary>
+        /// The medium search precision score.
+        /// </summary>
         Low = 20,
+
+        /// <summary>
+        /// The lowest search precision score.
+        /// </summary>
         None = 0
     }
 }

Flow.Launcher/ActionKeywords.xaml.cs

@@ -3,6 +3,8 @@ using Flow.Launcher.Core.Resource;
 using Flow.Launcher.Plugin;
 using Flow.Launcher.ViewModel;
 using Flow.Launcher.Core;
+using System.Linq;
+using System.Collections.Generic;
 
 namespace Flow.Launcher
 {
@@ -32,14 +34,37 @@ namespace Flow.Launcher
 
         private void btnDone_OnClick(object sender, RoutedEventArgs _)
         {
-            var oldActionKeyword = plugin.Metadata.ActionKeywords[0];
-            var newActionKeyword = tbAction.Text.Trim();
-            newActionKeyword = newActionKeyword.Length > 0 ? newActionKeyword : "*";
-            
-            if (!PluginViewModel.IsActionKeywordRegistered(newActionKeyword))
+            var oldActionKeywords = plugin.Metadata.ActionKeywords;
+
+            var newActionKeywords = tbAction.Text.Split(Query.ActionKeywordSeparator).ToList();
+            newActionKeywords.RemoveAll(string.IsNullOrEmpty);
+            newActionKeywords = newActionKeywords.Distinct().ToList();
+
+            newActionKeywords = newActionKeywords.Count > 0 ? newActionKeywords : new() { Query.GlobalPluginWildcardSign };
+
+            var addedActionKeywords = newActionKeywords.Except(oldActionKeywords).ToList();
+            var removedActionKeywords = oldActionKeywords.Except(newActionKeywords).ToList();
+            if (!addedActionKeywords.Any(App.API.ActionKeywordAssigned))
             {
-                pluginViewModel.ChangeActionKeyword(newActionKeyword, oldActionKeyword);
-                Close();
+                if (oldActionKeywords.Count != newActionKeywords.Count)
+                {
+                    ReplaceActionKeyword(plugin.Metadata.ID, removedActionKeywords, addedActionKeywords);
+                    return;
+                }
+
+                var sortedOldActionKeywords = oldActionKeywords.OrderBy(s => s).ToList();
+                var sortedNewActionKeywords = newActionKeywords.OrderBy(s => s).ToList();
+
+                if (sortedOldActionKeywords.SequenceEqual(sortedNewActionKeywords))
+                {
+                    // User just changes the sequence of action keywords
+                    var msg = translater.GetTranslation("newActionKeywordsSameAsOld");
+                    MessageBoxEx.Show(msg);
+                }
+                else
+                {
+                    ReplaceActionKeyword(plugin.Metadata.ID, removedActionKeywords, addedActionKeywords);
+                }
             }
             else
             {
@@ -47,5 +72,21 @@ namespace Flow.Launcher
                 App.API.ShowMsgBox(msg);
             }
         }
+
+        private void ReplaceActionKeyword(string id, IReadOnlyList<string> removedActionKeywords, IReadOnlyList<string> addedActionKeywords)
+        {
+            foreach (var actionKeyword in removedActionKeywords)
+            {
+                App.API.RemoveActionKeyword(id, actionKeyword);
+            }
+            foreach (var actionKeyword in addedActionKeywords)
+            {
+                App.API.AddActionKeyword(id, actionKeyword);
+            }
+
+            // Update action keywords text and close window
+            pluginViewModel.OnActionKeywordsChanged();
+            Close();
+        }
     }
 }

Flow.Launcher/App.xaml

@@ -4,7 +4,7 @@
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:ui="http://schemas.modernwpf.com/2019"
     ShutdownMode="OnMainWindowClose"
-    Startup="OnStartupAsync">
+    Startup="OnStartup">
     <Application.Resources>
         <ResourceDictionary>
             <ResourceDictionary.MergedDictionaries>

Flow.Launcher/App.xaml.cs

@@ -27,11 +27,26 @@ namespace Flow.Launcher
 {
     public partial class App : IDisposable, ISingleInstanceApp
     {
+        #region Public Properties
+
         public static IPublicAPI API { get; private set; }
-        private const string Unique = "Flow.Launcher_Unique_Application_Mutex";
+
+        #endregion
+
+        #region Private Fields
+
         private static bool _disposed;
+        private MainWindow _mainWindow;
+        private readonly MainViewModel _mainVM;
         private readonly Settings _settings;
 
+        // To prevent two disposals running at the same time.
+        private static readonly object _disposingLock = new();
+
+        #endregion
+
+        #region Constructor
+
         public App()
         {
             // Initialize settings
@@ -79,40 +94,55 @@ namespace Flow.Launcher
             {
                 API = Ioc.Default.GetRequiredService<IPublicAPI>();
                 _settings.Initialize();
+                _mainVM = Ioc.Default.GetRequiredService<MainViewModel>();
             }
             catch (Exception e)
             {
                 ShowErrorMsgBoxAndFailFast("Cannot initialize api and settings, please open new issue in Flow.Launcher", e);
                 return;
             }
+
+            // Local function
+            static void ShowErrorMsgBoxAndFailFast(string message, Exception e)
+            {
+                // Firstly show users the message
+                MessageBox.Show(e.ToString(), message, MessageBoxButton.OK, MessageBoxImage.Error);
+
+                // Flow cannot construct its App instance, so ensure Flow crashes w/ the exception info.
+                Environment.FailFast(message, e);
+            }
         }
 
-        private static void ShowErrorMsgBoxAndFailFast(string message, Exception e)
-        {
-            // Firstly show users the message
-            MessageBox.Show(e.ToString(), message, MessageBoxButton.OK, MessageBoxImage.Error);
+        #endregion
 
-            // Flow cannot construct its App instance, so ensure Flow crashes w/ the exception info.
-            Environment.FailFast(message, e);
-        }
+        #region Main
 
         [STAThread]
         public static void Main()
         {
-            if (SingleInstance<App>.InitializeAsFirstInstance(Unique))
+            if (SingleInstance<App>.InitializeAsFirstInstance())
             {
-                using (var application = new App())
-                {
-                    application.InitializeComponent();
-                    application.Run();
-                }
+                using var application = new App();
+                application.InitializeComponent();
+                application.Run();
             }
         }
 
-        private async void OnStartupAsync(object sender, StartupEventArgs e)
+        #endregion
+
+        #region App Events
+
+#pragma warning disable VSTHRD100 // Avoid async void methods
+
+        private async void OnStartup(object sender, StartupEventArgs e)
         {
             await Stopwatch.NormalAsync("|App.OnStartup|Startup cost", async () =>
             {
+                // Because new message box api uses MessageBoxEx window,
+                // if it is created and closed before main window is created, it will cause the application to exit.
+                // So set to OnExplicitShutdown to prevent the application from shutting down before main window is created
+                Current.ShutdownMode = ShutdownMode.OnExplicitShutdown;
+
                 Log.SetLogLevel(_settings.LogLevel);
 
                 Ioc.Default.GetRequiredService<Portable>().PreStartCleanUpAfterPortabilityUpdate();
@@ -127,29 +157,32 @@ namespace Flow.Launcher
 
                 AbstractPluginEnvironment.PreStartPluginExecutablePathUpdate(_settings);
 
-                // TODO: Clean InternationalizationManager.Instance and InternationalizationManager.Instance.GetTranslation in future
-                InternationalizationManager.Instance.ChangeLanguage(_settings.Language);
-
                 PluginManager.LoadPlugins(_settings.PluginSettings);
 
+                // Register ResultsUpdated event after all plugins are loaded
+                Ioc.Default.GetRequiredService<MainViewModel>().RegisterResultsUpdatedEvent();
+
                 Http.Proxy = _settings.Proxy;
 
                 await PluginManager.InitializePluginsAsync();
+
+                // Change language after all plugins are initialized because we need to update plugin title based on their api
+                // TODO: Clean InternationalizationManager.Instance and InternationalizationManager.Instance.GetTranslation in future
+                await Ioc.Default.GetRequiredService<Internationalization>().InitializeLanguageAsync();
+
                 await imageLoadertask;
 
-                var mainVM = Ioc.Default.GetRequiredService<MainViewModel>();
-                var window = new MainWindow(_settings, mainVM);
+                _mainWindow = new MainWindow();
 
                 Log.Info($"|App.OnStartup|Dependencies Info:{ErrorReporting.DependenciesInfo()}");
 
-                Current.MainWindow = window;
+                Current.MainWindow = _mainWindow;
                 Current.MainWindow.Title = Constant.FlowLauncher;
 
                 HotKeyMapper.Initialize();
 
                 // main windows needs initialized before theme change because of blur settings
-                // TODO: Clean ThemeManager.Instance in future
-                ThemeManager.Instance.ChangeTheme(_settings.Theme);
+                Ioc.Default.GetRequiredService<Theme>().ChangeTheme();
 
                 Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
 
@@ -159,11 +192,12 @@ namespace Flow.Launcher
                 AutoUpdates();
 
                 API.SaveAppAllSettings();
-                Log.Info(
-                    "|App.OnStartup|End Flow Launcher startup ----------------------------------------------------  ");
+                Log.Info("|App.OnStartup|End Flow Launcher startup ----------------------------------------------------");
             });
         }
 
+#pragma warning restore VSTHRD100 // Avoid async void methods
+
         private void AutoStartup()
         {
             // we try to enable auto-startup on first launch, or reenable if it was removed
@@ -186,13 +220,11 @@ namespace Flow.Launcher
                     // but if it fails (permissions, etc) then don't keep retrying
                     // this also gives the user a visual indication in the Settings widget
                     _settings.StartFlowLauncherOnSystemStartup = false;
-                    Notification.Show(InternationalizationManager.Instance.GetTranslation("setAutoStartFailed"),
-                        e.Message);
+                    API.ShowMsg(API.GetTranslation("setAutoStartFailed"), e.Message);
                 }
             }
         }
 
-        //[Conditional("RELEASE")]
         private void AutoUpdates()
         {
             _ = Task.Run(async () =>
@@ -210,11 +242,29 @@ namespace Flow.Launcher
             });
         }
 
+        #endregion
+
+        #region Register Events
+
         private void RegisterExitEvents()
         {
-            AppDomain.CurrentDomain.ProcessExit += (s, e) => Dispose();
-            Current.Exit += (s, e) => Dispose();
-            Current.SessionEnding += (s, e) => Dispose();
+            AppDomain.CurrentDomain.ProcessExit += (s, e) =>
+            {
+                Log.Info("|App.RegisterExitEvents|Process Exit");
+                Dispose();
+            };
+
+            Current.Exit += (s, e) =>
+            {
+                Log.Info("|App.RegisterExitEvents|Application Exit");
+                Dispose();
+            };
+
+            Current.SessionEnding += (s, e) =>
+            {
+                Log.Info("|App.RegisterExitEvents|Session Ending");
+                Dispose();
+            };
         }
 
         /// <summary>
@@ -235,20 +285,60 @@ namespace Flow.Launcher
             AppDomain.CurrentDomain.UnhandledException += ErrorReporting.UnhandledExceptionHandle;
         }
 
-        public void Dispose()
+        #endregion
+
+        #region IDisposable
+
+        protected virtual void Dispose(bool disposing)
         {
-            // if sessionending is called, exit proverbially be called when log off / shutdown
-            // but if sessionending is not called, exit won't be called when log off / shutdown
-            if (!_disposed)
+            // Prevent two disposes at the same time.
+            lock (_disposingLock)
             {
-                API.SaveAppAllSettings();
+                if (!disposing)
+                {
+                    return;
+                }
+
+                if (_disposed)
+                {
+                    return;
+                }
+
                 _disposed = true;
             }
+
+            Stopwatch.Normal("|App.Dispose|Dispose cost", () =>
+            {
+                Log.Info("|App.Dispose|Begin Flow Launcher dispose ----------------------------------------------------");
+
+                if (disposing)
+                {
+                    // Dispose needs to be called on the main Windows thread,
+                    // since some resources owned by the thread need to be disposed.
+                    _mainWindow?.Dispatcher.Invoke(_mainWindow.Dispose);
+                    _mainVM?.Dispose();
+                }
+
+                Log.Info("|App.Dispose|End Flow Launcher dispose ----------------------------------------------------");
+            });
         }
 
+        public void Dispose()
+        {
+            // Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
+            Dispose(disposing: true);
+            GC.SuppressFinalize(this);
+        }
+
+        #endregion
+
+        #region ISingleInstanceApp
+
         public void OnSecondAppStarted()
         {
             Ioc.Default.GetRequiredService<MainViewModel>().Show();
         }
+
+        #endregion
     }
 }

Flow.Launcher/Flow.Launcher.csproj

@@ -94,10 +94,6 @@
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="7.0.0" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="7.0.1" />
     <PackageReference Include="Microsoft.Toolkit.Uwp.Notifications" Version="7.1.3" />
-    <PackageReference Include="Microsoft.Windows.CsWin32" Version="0.3.106">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
     <!-- ModernWpfUI v0.9.5 introduced WinRT changes that causes Notification platform unavailable error on some machines -->
     <!-- https://github.com/Flow-Launcher/Flow.Launcher/issues/1772#issuecomment-1502440801 -->
     <PackageReference Include="ModernWpfUI" Version="0.9.4" />

Flow.Launcher/Helper/DWMDropShadow.cs

@@ -1,66 +0,0 @@
-using System;
-using System.Windows;
-using System.Windows.Interop;
-using Windows.Win32;
-using Windows.Win32.Foundation;
-using Windows.Win32.Graphics.Dwm;
-using Windows.Win32.UI.Controls;
-
-namespace Flow.Launcher.Helper;
-
-public class DwmDropShadow
-{
-
-    /// <summary>
-    /// Drops a standard shadow to a WPF Window, even if the window isborderless. Only works with DWM (Vista and Seven).
-    /// This method is much more efficient than setting AllowsTransparency to true and using the DropShadow effect,
-    /// as AllowsTransparency involves a huge permormance issue (hardware acceleration is turned off for all the window).
-    /// </summary>
-    /// <param name="window">Window to which the shadow will be applied</param>
-    public static void DropShadowToWindow(Window window)
-    {
-        if (!DropShadow(window))
-        {
-            window.SourceInitialized += window_SourceInitialized;
-        }
-    }
-
-    private static void window_SourceInitialized(object sender, EventArgs e) //fixed typo
-    {
-        Window window = (Window)sender;
-
-        DropShadow(window);
-
-        window.SourceInitialized -= window_SourceInitialized;
-    }
-
-    /// <summary>
-    /// The actual method that makes API calls to drop the shadow to the window
-    /// </summary>
-    /// <param name="window">Window to which the shadow will be applied</param>
-    /// <returns>True if the method succeeded, false if not</returns>
-    private static unsafe bool DropShadow(Window window)
-    {
-        try
-        {
-            WindowInteropHelper helper = new WindowInteropHelper(window);
-            int val = 2;
-            var ret1 = PInvoke.DwmSetWindowAttribute(new (helper.Handle), DWMWINDOWATTRIBUTE.DWMWA_NCRENDERING_POLICY, &val, 4);
-
-            if (ret1 == HRESULT.S_OK)
-            {
-                var m = new MARGINS { cyBottomHeight = 0, cxLeftWidth = 0, cxRightWidth = 0, cyTopHeight = 0 };
-                var ret2 = PInvoke.DwmExtendFrameIntoClientArea(new(helper.Handle), &m);
-                return ret2 == HRESULT.S_OK;
-            }
-
-            return false;
-        }
-        catch (Exception)
-        {
-            // Probably dwmapi.dll not found (incompatible OS)
-            return false;
-        }
-    }
-
-}

Flow.Launcher/Helper/SingleInstance.cs

@@ -8,10 +8,10 @@ using System.Windows;
 // modified to allow single instace restart
 namespace Flow.Launcher.Helper
 {
-    public interface ISingleInstanceApp 
-    { 
-         void OnSecondAppStarted(); 
-    } 
+    public interface ISingleInstanceApp
+    {
+        void OnSecondAppStarted();
+    }
 
     /// <summary>
     /// This class checks to make sure that only one instance of 
@@ -24,9 +24,7 @@ namespace Flow.Launcher.Helper
     /// running as Administrator, can activate it with command line arguments.
     /// For most apps, this will not be much of an issue.
     /// </remarks>
-    public static class SingleInstance<TApplication>  
-                where   TApplication: Application ,  ISingleInstanceApp 
-                                    
+    public static class SingleInstance<TApplication> where TApplication : Application, ISingleInstanceApp
     {
         #region Private Fields
 
@@ -39,11 +37,12 @@ namespace Flow.Launcher.Helper
         /// Suffix to the channel name.
         /// </summary>
         private const string ChannelNameSuffix = "SingeInstanceIPCChannel";
+        private const string InstanceMutexName = "Flow.Launcher_Unique_Application_Mutex";
 
         /// <summary>
         /// Application mutex.
         /// </summary>
-        internal static Mutex singleInstanceMutex;
+        internal static Mutex SingleInstanceMutex { get; set; }
 
         #endregion
 
@@ -54,24 +53,23 @@ namespace Flow.Launcher.Helper
         /// If not, activates the first instance.
         /// </summary>
         /// <returns>True if this is the first instance of the application.</returns>
-        public static bool InitializeAsFirstInstance( string uniqueName )
+        public static bool InitializeAsFirstInstance()
         {
             // Build unique application Id and the IPC channel name.
-            string applicationIdentifier = uniqueName + Environment.UserName;
+            string applicationIdentifier = InstanceMutexName + Environment.UserName;
 
-            string channelName = String.Concat(applicationIdentifier, Delimiter, ChannelNameSuffix);
+            string channelName = string.Concat(applicationIdentifier, Delimiter, ChannelNameSuffix);
 
             // Create mutex based on unique application Id to check if this is the first instance of the application. 
-            bool firstInstance;
-            singleInstanceMutex = new Mutex(true, applicationIdentifier, out firstInstance);
+            SingleInstanceMutex = new Mutex(true, applicationIdentifier, out var firstInstance);
             if (firstInstance)
             {
-                _ = CreateRemoteService(channelName);
+                _ = CreateRemoteServiceAsync(channelName);
                 return true;
             }
             else
             {
-                _ = SignalFirstInstance(channelName);
+                _ = SignalFirstInstanceAsync(channelName);
                 return false;
             }
         }
@@ -81,7 +79,7 @@ namespace Flow.Launcher.Helper
         /// </summary>
         public static void Cleanup()
         {
-            singleInstanceMutex?.ReleaseMutex();
+            SingleInstanceMutex?.ReleaseMutex();
         }
 
         #endregion
@@ -93,22 +91,19 @@ namespace Flow.Launcher.Helper
         /// Once receives signal from client, will activate first instance.
         /// </summary>
         /// <param name="channelName">Application's IPC channel name.</param>
-        private static async Task CreateRemoteService(string channelName)
+        private static async Task CreateRemoteServiceAsync(string channelName)
         {
-            using (NamedPipeServerStream pipeServer = new NamedPipeServerStream(channelName, PipeDirection.In))
+            using NamedPipeServerStream pipeServer = new NamedPipeServerStream(channelName, PipeDirection.In);
+            while (true)
             {
-                while(true)
-                {
-                    // Wait for connection to the pipe
-                    await pipeServer.WaitForConnectionAsync();
-                    if (Application.Current != null)
-                    {
-                        // Do an asynchronous call to ActivateFirstInstance function
-                        Application.Current.Dispatcher.Invoke(ActivateFirstInstance);
-                    }
-                    // Disconect client
-                    pipeServer.Disconnect();
-                }
+                // Wait for connection to the pipe
+                await pipeServer.WaitForConnectionAsync();
+
+                // Do an asynchronous call to ActivateFirstInstance function
+                Application.Current?.Dispatcher.Invoke(ActivateFirstInstance);
+
+                // Disconect client
+                pipeServer.Disconnect();
             }
         }
 
@@ -119,25 +114,13 @@ namespace Flow.Launcher.Helper
         /// <param name="args">
         /// Command line arguments for the second instance, passed to the first instance to take appropriate action.
         /// </param>
-        private static async Task SignalFirstInstance(string channelName)
+        private static async Task SignalFirstInstanceAsync(string channelName)
         {
             // Create a client pipe connected to server
-            using (NamedPipeClientStream pipeClient = new NamedPipeClientStream(".", channelName, PipeDirection.Out))
-            {
-                // Connect to the available pipe
-                await pipeClient.ConnectAsync(0);
-            }
-        }
+            using NamedPipeClientStream pipeClient = new NamedPipeClientStream(".", channelName, PipeDirection.Out);
 
-        /// <summary>
-        /// Callback for activating first instance of the application.
-        /// </summary>
-        /// <param name="arg">Callback argument.</param>
-        /// <returns>Always null.</returns>
-        private static object ActivateFirstInstanceCallback(object o)
-        {
-            ActivateFirstInstance();
-            return null;
+            // Connect to the available pipe
+            await pipeClient.ConnectAsync(0);
         }
 
         /// <summary>

Flow.Launcher/Helper/WallpaperPathRetrieval.cs

@@ -2,22 +2,19 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
-using System.Runtime.InteropServices;
 using System.Windows;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
+using Flow.Launcher.Infrastructure;
 using Microsoft.Win32;
-using Windows.Win32;
-using Windows.Win32.UI.WindowsAndMessaging;
 
 namespace Flow.Launcher.Helper;
 
 public static class WallpaperPathRetrieval
 {
-    private static readonly int MAX_PATH = 260;
-    private static readonly int MAX_CACHE_SIZE = 3;
-
-    private static readonly Dictionary<(string, DateTime), ImageBrush> wallpaperCache = new();
+    private const int MaxCacheSize = 3;
+    private static readonly Dictionary<(string, DateTime), ImageBrush> WallpaperCache = new();
+    private static readonly object CacheLock = new();
 
     public static Brush GetWallpaperBrush()
     {
@@ -29,47 +26,72 @@ public static class WallpaperPathRetrieval
 
         try
         {
-            var wallpaperPath = GetWallpaperPath();
-            if (wallpaperPath is not null && File.Exists(wallpaperPath))
+            var wallpaperPath = Win32Helper.GetWallpaperPath();
+            if (string.IsNullOrEmpty(wallpaperPath) || !File.Exists(wallpaperPath))
             {
-                // Since the wallpaper file name can be the same (TranscodedWallpaper),
-                // we need to add the last modified date to differentiate them
-                var dateModified = File.GetLastWriteTime(wallpaperPath);
-                wallpaperCache.TryGetValue((wallpaperPath, dateModified), out var cachedWallpaper);
+                App.API.LogInfo(nameof(WallpaperPathRetrieval), $"Wallpaper path is invalid: {wallpaperPath}");
+                var wallpaperColor = GetWallpaperColor();
+                return new SolidColorBrush(wallpaperColor);
+            }
+
+            // Since the wallpaper file name can be the same (TranscodedWallpaper),
+            // we need to add the last modified date to differentiate them
+            var dateModified = File.GetLastWriteTime(wallpaperPath);
+            lock (CacheLock)
+            {
+                WallpaperCache.TryGetValue((wallpaperPath, dateModified), out var cachedWallpaper);
                 if (cachedWallpaper != null)
                 {
                     return cachedWallpaper;
                 }
+            }
+            
+            using var fileStream = File.OpenRead(wallpaperPath);
+            var decoder = BitmapDecoder.Create(fileStream, BitmapCreateOptions.DelayCreation, BitmapCacheOption.None);
+            var frame = decoder.Frames[0];
+            var originalWidth = frame.PixelWidth;
+            var originalHeight = frame.PixelHeight;
 
-                // We should not dispose the memory stream since the bitmap is still in use
-                var memStream = new MemoryStream(File.ReadAllBytes(wallpaperPath));
-                var bitmap = new BitmapImage();
-                bitmap.BeginInit();
-                bitmap.StreamSource = memStream;
-                bitmap.DecodePixelWidth = 800;
-                bitmap.DecodePixelHeight = 600;
-                bitmap.EndInit();
-                bitmap.Freeze(); // Make the bitmap thread-safe
-                var wallpaperBrush = new ImageBrush(bitmap) { Stretch = Stretch.UniformToFill };
-                wallpaperBrush.Freeze(); // Make the brush thread-safe
+            if (originalWidth == 0 || originalHeight == 0)
+            {
+                App.API.LogInfo(nameof(WallpaperPathRetrieval), $"Failed to load bitmap: Width={originalWidth}, Height={originalHeight}");
+                return new SolidColorBrush(Colors.Transparent);
+            }
 
-                // Manage cache size
-                if (wallpaperCache.Count >= MAX_CACHE_SIZE)
+            // Calculate the scaling factor to fit the image within 800x600 while preserving aspect ratio
+            var widthRatio = 800.0 / originalWidth;
+            var heightRatio = 600.0 / originalHeight;
+            var scaleFactor = Math.Min(widthRatio, heightRatio);
+            var decodedPixelWidth = (int)(originalWidth * scaleFactor);
+            var decodedPixelHeight = (int)(originalHeight * scaleFactor);
+
+            // Set DecodePixelWidth and DecodePixelHeight to resize the image while preserving aspect ratio
+            var bitmap = new BitmapImage();
+            bitmap.BeginInit();
+            bitmap.UriSource = new Uri(wallpaperPath);
+            bitmap.DecodePixelWidth = decodedPixelWidth;
+            bitmap.DecodePixelHeight = decodedPixelHeight;
+            bitmap.EndInit();
+            bitmap.Freeze(); // Make the bitmap thread-safe
+            var wallpaperBrush = new ImageBrush(bitmap) { Stretch = Stretch.UniformToFill };
+            wallpaperBrush.Freeze(); // Make the brush thread-safe
+
+            // Manage cache size
+            lock (CacheLock)
+            {
+                if (WallpaperCache.Count >= MaxCacheSize)
                 {
                     // Remove the oldest wallpaper from the cache
-                    var oldestCache = wallpaperCache.Keys.OrderBy(k => k.Item2).FirstOrDefault();
+                    var oldestCache = WallpaperCache.Keys.OrderBy(k => k.Item2).FirstOrDefault();
                     if (oldestCache != default)
                     {
-                        wallpaperCache.Remove(oldestCache);
+                        WallpaperCache.Remove(oldestCache);
                     }
                 }
 
-                wallpaperCache.Add((wallpaperPath, dateModified), wallpaperBrush);
+                WallpaperCache.Add((wallpaperPath, dateModified), wallpaperBrush);
                 return wallpaperBrush;
             }
-
-            var wallpaperColor = GetWallpaperColor();
-            return new SolidColorBrush(wallpaperColor);
         }
         catch (Exception ex)
         {
@@ -78,20 +100,9 @@ public static class WallpaperPathRetrieval
         }
     }
 
-    private static unsafe string GetWallpaperPath()
-    {
-        var wallpaperPtr = stackalloc char[MAX_PATH];
-        PInvoke.SystemParametersInfo(SYSTEM_PARAMETERS_INFO_ACTION.SPI_GETDESKWALLPAPER, (uint)MAX_PATH,
-            wallpaperPtr,
-            0);
-        var wallpaper = MemoryMarshal.CreateReadOnlySpanFromNullTerminated(wallpaperPtr);
-        
-        return wallpaper.ToString();
-    }
-
     private static Color GetWallpaperColor()
     {
-        RegistryKey key = Registry.CurrentUser.OpenSubKey(@"Control Panel\Colors", true);
+        RegistryKey key = Registry.CurrentUser.OpenSubKey(@"Control Panel\Colors", false);
         var result = key?.GetValue("Background", null);
         if (result is string strResult)
         {
@@ -100,8 +111,9 @@ public static class WallpaperPathRetrieval
                 var parts = strResult.Trim().Split(new[] { ' ' }, 3).Select(byte.Parse).ToList();
                 return Color.FromRgb(parts[0], parts[1], parts[2]);
             }
-            catch
+            catch (Exception ex)
             {
+                App.API.LogException(nameof(WallpaperPathRetrieval), "Error parsing wallpaper color", ex);
             }
         }
 

Flow.Launcher/Helper/WindowsInteropHelper.cs

@@ -1,211 +0,0 @@
-using System;
-using System.ComponentModel;
-using System.Drawing;
-using System.Runtime.InteropServices;
-using System.Windows;
-using System.Windows.Forms;
-using System.Windows.Interop;
-using System.Windows.Media;
-using Windows.Win32;
-using Windows.Win32.Foundation;
-using Windows.Win32.UI.WindowsAndMessaging;
-using Point = System.Windows.Point;
-
-namespace Flow.Launcher.Helper;
-
-public class WindowsInteropHelper
-{
-    private static HWND _hwnd_shell;
-    private static HWND _hwnd_desktop;
-
-    //Accessors for shell and desktop handlers
-    //Will set the variables once and then will return them
-    private static HWND HWND_SHELL
-    {
-        get
-        {
-            return _hwnd_shell != HWND.Null ? _hwnd_shell : _hwnd_shell = PInvoke.GetShellWindow();
-        }
-    }
-
-    private static HWND HWND_DESKTOP
-    {
-        get
-        {
-            return _hwnd_desktop != HWND.Null ? _hwnd_desktop : _hwnd_desktop = PInvoke.GetDesktopWindow();
-        }
-    }
-
-    const string WINDOW_CLASS_CONSOLE = "ConsoleWindowClass";
-    const string WINDOW_CLASS_WINTAB = "Flip3D";
-    const string WINDOW_CLASS_PROGMAN = "Progman";
-    const string WINDOW_CLASS_WORKERW = "WorkerW";
-
-    public unsafe static bool IsWindowFullscreen()
-    {
-        //get current active window
-        var hWnd = PInvoke.GetForegroundWindow();
-
-        if (hWnd.Equals(HWND.Null))
-        {
-            return false;
-        }
-
-        //if current active window is desktop or shell, exit early
-        if (hWnd.Equals(HWND_DESKTOP) || hWnd.Equals(HWND_SHELL))
-        {
-            return false;
-        }
-
-        string windowClass;
-        const int capacity = 256;
-        Span<char> buffer = stackalloc char[capacity];
-        int validLength;
-        fixed (char* pBuffer = buffer)
-        {
-            validLength = PInvoke.GetClassName(hWnd, pBuffer, capacity);
-        }
-
-        windowClass = buffer[..validLength].ToString();
-
-
-        //for Win+Tab (Flip3D)
-        if (windowClass == WINDOW_CLASS_WINTAB)
-        {
-            return false;
-        }
-
-        PInvoke.GetWindowRect(hWnd, out var appBounds);
-
-        //for console (ConsoleWindowClass), we have to check for negative dimensions
-        if (windowClass == WINDOW_CLASS_CONSOLE)
-        {
-            return appBounds.top < 0 && appBounds.bottom < 0;
-        }
-
-        //for desktop (Progman or WorkerW, depends on the system), we have to check
-        if (windowClass is WINDOW_CLASS_PROGMAN or WINDOW_CLASS_WORKERW)
-        {
-            var hWndDesktop = PInvoke.FindWindowEx(hWnd, HWND.Null, "SHELLDLL_DefView", null);
-            hWndDesktop = PInvoke.FindWindowEx(hWndDesktop, HWND.Null, "SysListView32", "FolderView");
-            if (hWndDesktop.Value != (IntPtr.Zero))
-            {
-                return false;
-            }
-        }
-
-        Rectangle screenBounds = Screen.FromHandle(hWnd).Bounds;
-        return (appBounds.bottom - appBounds.top) == screenBounds.Height &&
-               (appBounds.right - appBounds.left) == screenBounds.Width;
-    }
-
-    /// <summary>
-    ///     disable windows toolbar's control box
-    ///     this will also disable system menu with Alt+Space hotkey
-    /// </summary>
-    public static void DisableControlBox(Window win)
-    {
-        var hwnd = new HWND(new WindowInteropHelper(win).Handle);
-        
-        var style = PInvoke.GetWindowLong(hwnd, WINDOW_LONG_PTR_INDEX.GWL_STYLE);
-        
-        if (style == 0)
-        {
-            throw new Win32Exception(Marshal.GetLastPInvokeError());
-        }
-        
-        style &= ~(int)WINDOW_STYLE.WS_SYSMENU;
-        
-        var previousStyle = PInvoke.SetWindowLong(hwnd, WINDOW_LONG_PTR_INDEX.GWL_STYLE,
-            style);
-
-        if (previousStyle == 0)
-        {
-            throw new Win32Exception(Marshal.GetLastPInvokeError());
-        }
-    }
-
-    /// <summary>
-    /// Transforms pixels to Device Independent Pixels used by WPF
-    /// </summary>
-    /// <param name="visual">current window, required to get presentation source</param>
-    /// <param name="unitX">horizontal position in pixels</param>
-    /// <param name="unitY">vertical position in pixels</param>
-    /// <returns>point containing device independent pixels</returns>
-    public static Point TransformPixelsToDIP(Visual visual, double unitX, double unitY)
-    {
-        Matrix matrix;
-        var source = PresentationSource.FromVisual(visual);
-        if (source is not null)
-        {
-            matrix = source.CompositionTarget.TransformFromDevice;
-        }
-        else
-        {
-            using var src = new HwndSource(new HwndSourceParameters());
-            matrix = src.CompositionTarget.TransformFromDevice;
-        }
-
-        return new Point((int)(matrix.M11 * unitX), (int)(matrix.M22 * unitY));
-    }
-
-    #region Alt Tab
-
-    private static int SetWindowLong(HWND hWnd, WINDOW_LONG_PTR_INDEX nIndex, int dwNewLong)
-    {
-        PInvoke.SetLastError(WIN32_ERROR.NO_ERROR); // Clear any existing error
-
-        var result = PInvoke.SetWindowLong(hWnd, nIndex, dwNewLong);
-        if (result == 0 && Marshal.GetLastPInvokeError() != 0)
-        {
-            throw new Win32Exception(Marshal.GetLastPInvokeError());
-        }
-
-        return result;
-    }
-
-    /// <summary>
-    /// Hide windows in the Alt+Tab window list
-    /// </summary>
-    /// <param name="window">To hide a window</param>
-    public static void HideFromAltTab(Window window)
-    {
-        var exStyle = GetCurrentWindowStyle(window);
-
-        // Add TOOLWINDOW style, remove APPWINDOW style
-        var newExStyle = ((uint)exStyle | (uint)WINDOW_EX_STYLE.WS_EX_TOOLWINDOW) & ~(uint)WINDOW_EX_STYLE.WS_EX_APPWINDOW;
-
-        SetWindowLong(new(new WindowInteropHelper(window).Handle), WINDOW_LONG_PTR_INDEX.GWL_EXSTYLE, (int)newExStyle);
-    }
-
-    /// <summary>
-    /// Restore window display in the Alt+Tab window list.
-    /// </summary>
-    /// <param name="window">To restore the displayed window</param>
-    public static void ShowInAltTab(Window window)
-    {
-        var exStyle = GetCurrentWindowStyle(window);
-
-        // Remove the TOOLWINDOW style and add the APPWINDOW style.
-        var newExStyle = ((uint)exStyle & ~(uint)WINDOW_EX_STYLE.WS_EX_TOOLWINDOW) | (uint)WINDOW_EX_STYLE.WS_EX_APPWINDOW;
-
-        SetWindowLong(new(new WindowInteropHelper(window).Handle), WINDOW_LONG_PTR_INDEX.GWL_EXSTYLE, (int)newExStyle);
-    }
-
-    /// <summary>
-    /// To obtain the current overridden style of a window.
-    /// </summary>
-    /// <param name="window">To obtain the style dialog window</param>
-    /// <returns>current extension style value</returns>
-    private static int GetCurrentWindowStyle(Window window)
-    {
-        var style = PInvoke.GetWindowLong(new(new WindowInteropHelper(window).Handle), WINDOW_LONG_PTR_INDEX.GWL_EXSTYLE);
-        if (style == 0 && Marshal.GetLastPInvokeError() != 0)
-        {
-            throw new Win32Exception(Marshal.GetLastPInvokeError());
-        }
-        return style;
-    }
-
-    #endregion
-}

Flow.Launcher/Languages/en.xaml

@@ -9,6 +9,11 @@
         Click no if it's already installed, and you will be prompted to select the folder that contains the {1} executable
     </system:String>
     <system:String x:Key="runtimePluginChooseRuntimeExecutable">Please select the {0} executable</system:String>
+    <system:String x:Key="runtimeExecutableInvalidChooseDownload">
+        Your selected {0} executable is invalid.
+        {2}{2}
+        Click yes if you would like select the {0} executable agian. Click no if you would like to download {1}
+    </system:String>
     <system:String x:Key="runtimePluginUnableToSetExecutablePath">Unable to set {0} executable path, please try from Flow's settings (scroll down to the bottom).</system:String>
     <system:String x:Key="failedToInitializePluginsTitle">Fail to Init Plugins</system:String>
     <system:String x:Key="failedToInitializePluginsMessage">Plugins: {0} - fail to load and would be disabled, please contact plugin creator for help</system:String>
@@ -39,7 +44,7 @@
     <system:String x:Key="GameMode">Game Mode</system:String>
     <system:String x:Key="GameModeToolTip">Suspend the use of Hotkeys.</system:String>
     <system:String x:Key="PositionReset">Position Reset</system:String>
-    <system:String x:Key="PositionResetToolTip">Reset search window position</system:String>
+    <system:String x:Key="queryTextBoxPlaceholder">Type here to search</system:String>
 
     <!--  Setting General  -->
     <system:String x:Key="flowlauncher_settings">Settings</system:String>
@@ -72,8 +77,6 @@
     <system:String x:Key="LastQueryEmpty">Empty last Query</system:String>
     <system:String x:Key="LastQueryActionKeywordPreserved">Preserve Last Action Keyword</system:String>
     <system:String x:Key="LastQueryActionKeywordSelected">Select Last Action Keyword</system:String>
-    <system:String x:Key="KeepMaxResults">Fixed Window Height</system:String>
-    <system:String x:Key="KeepMaxResultsToolTip">The window height is not adjustable by dragging.</system:String>
     <system:String x:Key="maxShowResults">Maximum results shown</system:String>
     <system:String x:Key="maxShowResultsToolTip">You can also quickly adjust this by using CTRL+Plus and CTRL+Minus.</system:String>
     <system:String x:Key="ignoreHotkeysOnFullscreen">Ignore hotkeys in fullscreen mode</system:String>
@@ -104,6 +107,15 @@
     <system:String x:Key="AlwaysPreview">Always Preview</system:String>
     <system:String x:Key="AlwaysPreviewToolTip">Always open preview panel when Flow activates. Press {0} to toggle preview.</system:String>
     <system:String x:Key="shadowEffectNotAllowed">Shadow effect is not allowed while current theme has blur effect enabled</system:String>
+    <system:String x:Key="searchDelay">Search Delay</system:String>
+    <system:String x:Key="searchDelayToolTip">Delay for a while to search when typing. This reduces interface jumpiness and result load.</system:String>
+    <system:String x:Key="searchDelayTime">Default Search Delay Time</system:String>
+    <system:String x:Key="searchDelayTimeToolTip">Plugin default delay time after which search results appear when typing is stopped.</system:String>
+    <system:String x:Key="SearchDelayTimeVeryLong">Very long</system:String>
+    <system:String x:Key="SearchDelayTimeLong">Long</system:String>
+    <system:String x:Key="SearchDelayTimeNormal">Normal</system:String>
+    <system:String x:Key="SearchDelayTimeShort">Short</system:String>
+    <system:String x:Key="SearchDelayTimeVeryShort">Very short</system:String>
 
     <!--  Setting Plugin  -->
     <system:String x:Key="searchplugin">Search Plugin</system:String>
@@ -120,6 +132,8 @@
     <system:String x:Key="currentActionKeywords">Current action keyword</system:String>
     <system:String x:Key="newActionKeyword">New action keyword</system:String>
     <system:String x:Key="actionKeywordsTooltip">Change Action Keywords</system:String>
+    <system:String x:Key="pluginSearchDelayTime">Plugin seach delay time</system:String>
+    <system:String x:Key="pluginSearchDelayTimeTooltip">Change Plugin Seach Delay Time</system:String>
     <system:String x:Key="currentPriority">Current Priority</system:String>
     <system:String x:Key="newPriority">New Priority</system:String>
     <system:String x:Key="priority">Priority</system:String>
@@ -133,6 +147,9 @@
     <system:String x:Key="plugin_uninstall">Uninstall</system:String>
     <system:String x:Key="failedToRemovePluginSettingsTitle">Fail to remove plugin settings</system:String>
     <system:String x:Key="failedToRemovePluginSettingsMessage">Plugins: {0} - Fail to remove plugin settings files, please remove them manually</system:String>
+    <system:String x:Key="failedToRemovePluginCacheTitle">Fail to remove plugin cache</system:String>
+    <system:String x:Key="failedToRemovePluginCacheMessage">Plugins: {0} - Fail to remove plugin cache files, please remove them manually</system:String>
+    <system:String x:Key="default">Default</system:String>
 
     <!--  Setting Plugin Store  -->
     <system:String x:Key="pluginStore">Plugin Store</system:String>
@@ -195,8 +212,20 @@
     <system:String x:Key="AnimationSpeedCustom">Custom</system:String>
     <system:String x:Key="Clock">Clock</system:String>
     <system:String x:Key="Date">Date</system:String>
+    <system:String x:Key="BackdropType">Backdrop Type</system:String>
+    <system:String x:Key="BackdropTypeDisabledToolTip">Backdrop supported starting from Windows 11 build 22000 and above</system:String>
+    <system:String x:Key="BackdropTypesNone">None</system:String>
+    <system:String x:Key="BackdropTypesAcrylic">Acrylic</system:String>
+    <system:String x:Key="BackdropTypesMica">Mica</system:String>
+    <system:String x:Key="BackdropTypesMicaAlt">Mica Alt</system:String>
     <system:String x:Key="TypeIsDarkToolTip">This theme supports two(light/dark) modes.</system:String>
     <system:String x:Key="TypeHasBlurToolTip">This theme supports Blur Transparent Background.</system:String>
+    <system:String x:Key="ShowPlaceholder">Show placeholder</system:String>
+    <system:String x:Key="ShowPlaceholderTip">Display placeholder when query is empty</system:String>
+    <system:String x:Key="PlaceholderText">Placeholder text</system:String>
+    <system:String x:Key="PlaceholderTextTip">Change placeholder text. Input empty will use: {0}</system:String>
+    <system:String x:Key="KeepMaxResults">Fixed Window Size</system:String>
+    <system:String x:Key="KeepMaxResultsToolTip">The window size is not adjustable by dragging.</system:String>
 
     <!--  Setting Hotkey  -->
     <system:String x:Key="hotkey">Hotkey</system:String>
@@ -296,6 +325,9 @@
     <system:String x:Key="logfolder">Log Folder</system:String>
     <system:String x:Key="clearlogfolder">Clear Logs</system:String>
     <system:String x:Key="clearlogfolderMessage">Are you sure you want to delete all logs?</system:String>
+    <system:String x:Key="clearcachefolder">Clear Caches</system:String>
+    <system:String x:Key="clearcachefolderMessage">Are you sure you want to delete all caches?</system:String>
+    <system:String x:Key="clearfolderfailMessage">Failed to clear part of folders and files. Please see log file for more information</system:String>
     <system:String x:Key="welcomewindow">Wizard</system:String>
     <system:String x:Key="userdatapath">User Data Location</system:String>
     <system:String x:Key="userdatapathToolTip">User settings and installed plugins are saved in the user data folder. This location may vary depending on whether it's in portable mode or not.</system:String>
@@ -337,9 +369,16 @@
     <system:String x:Key="cannotFindSpecifiedPlugin">Can't find specified plugin</system:String>
     <system:String x:Key="newActionKeywordsCannotBeEmpty">New Action Keyword can't be empty</system:String>
     <system:String x:Key="newActionKeywordsHasBeenAssigned">This new Action Keyword is already assigned to another plugin, please choose a different one</system:String>
+    <system:String x:Key="newActionKeywordsSameAsOld">This new Action Keyword is the same as old, please choose a different one</system:String>
     <system:String x:Key="success">Success</system:String>
     <system:String x:Key="completedSuccessfully">Completed successfully</system:String>
-    <system:String x:Key="actionkeyword_tips">Enter the action keyword you like to use to start the plugin. Use * if you don't want to specify any, and the plugin will be triggered without any action keywords.</system:String>
+    <system:String x:Key="actionkeyword_tips">Enter the action keywords you like to use to start the plugin and use whitespace to divide them. Use * if you don't want to specify any, and the plugin will be triggered without any action keywords.</system:String>
+
+    <!--  Search Delay Settings Dialog  -->
+    <system:String x:Key="searchDelayTimeTitle">Search Delay Time Setting</system:String>
+    <system:String x:Key="searchDelayTime_tips">Select the search delay time you like to use for the plugin. Select "{0}" if you don't want to specify any, and the plugin will use default search delay time.</system:String>
+    <system:String x:Key="currentSearchDelayTime">Current search delay time</system:String>
+    <system:String x:Key="newSearchDelayTime">New search delay time</system:String>
 
     <!--  Custom Query Hotkey Dialog  -->
     <system:String x:Key="customeQueryHotkeyTitle">Custom Query Hotkey</system:String>

Flow.Launcher/MainWindow.xaml

@@ -17,20 +17,20 @@
     AllowDrop="True"
     AllowsTransparency="True"
     Background="Transparent"
+    Closed="OnClosed"
     Closing="OnClosing"
     Deactivated="OnDeactivated"
     Icon="Images/app.png"
-    SourceInitialized="OnSourceInitialized"
-    Initialized="OnInitialized"
     Left="{Binding Settings.WindowLeft, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
     Loaded="OnLoaded"
     LocationChanged="OnLocationChanged"
-    Opacity="{Binding MainWindowOpacity, Mode=OneWay, UpdateSourceTrigger=PropertyChanged}"
     PreviewKeyDown="OnKeyDown"
     PreviewKeyUp="OnKeyUp"
+    PreviewMouseMove="OnPreviewMouseMove"
     ResizeMode="CanResize"
     ShowInTaskbar="False"
     SizeToContent="Height"
+    SourceInitialized="OnSourceInitialized"
     Topmost="True"
     Visibility="{Binding MainWindowVisibility, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
     WindowStartupLocation="Manual"
@@ -215,9 +215,17 @@
 
     <Border MouseDown="OnMouseDown" Style="{DynamicResource WindowBorderStyle}">
         <StackPanel Orientation="Vertical">
-            <Grid>
+            <Grid x:Name="QueryBoxArea">
                 <Border MinHeight="30" Style="{DynamicResource QueryBoxBgStyle}">
                     <Grid>
+                        <TextBox
+                            x:Name="QueryTextPlaceholderBox"
+                            Height="{Binding MainWindowHeight, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
+                            FontSize="{Binding QueryBoxFontSize, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
+                            IsEnabled="False"
+                            Style="{DynamicResource QuerySuggestionBoxStyle}"
+                            Text="{Binding PlaceholderText, Mode=OneWay}"
+                            Visibility="Collapsed" />
                         <TextBox
                             x:Name="QueryTextSuggestionBox"
                             Height="{Binding MainWindowHeight, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
@@ -240,14 +248,15 @@
                             FontSize="{Binding QueryBoxFontSize, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
                             InputMethod.PreferredImeConversionMode="{Binding StartWithEnglishMode, Converter={StaticResource BoolToIMEConversionModeConverter}}"
                             InputMethod.PreferredImeState="{Binding StartWithEnglishMode, Converter={StaticResource BoolToIMEStateConverter}}"
-                            PreviewDragOver="OnPreviewDragOver"
+                            PreviewDragOver="QueryTextBox_OnPreviewDragOver"
                             PreviewKeyUp="QueryTextBox_KeyUp"
                             Style="{DynamicResource QueryBoxStyle}"
-                            Text="{Binding QueryText, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
+                            Text="{Binding QueryText, Mode=OneWay}"
+                            TextChanged="QueryTextBox_TextChanged1"
                             Visibility="Visible"
                             WindowChrome.IsHitTestVisibleInChrome="True">
                             <TextBox.CommandBindings>
-                                <CommandBinding Command="ApplicationCommands.Copy" Executed="OnCopy" />
+                                <CommandBinding Command="ApplicationCommands.Copy" Executed="QueryTextBox_OnCopy" />
                             </TextBox.CommandBindings>
                             <TextBox.ContextMenu>
                                 <ContextMenu MinWidth="160">
@@ -289,7 +298,9 @@
                 <StackPanel
                     x:Name="ClockPanel"
                     IsHitTestVisible="False"
-                    Style="{DynamicResource ClockPanel}">
+                    Opacity="{Binding ClockPanelOpacity}"
+                    Style="{DynamicResource ClockPanel}"
+                    Visibility="{Binding ClockPanelVisibility}">
                     <TextBlock
                         x:Name="ClockBox"
                         Style="{DynamicResource ClockBox}"
@@ -317,6 +328,7 @@
                                 Name="SearchIcon"
                                 Margin="0"
                                 Data="{DynamicResource SearchIconImg}"
+                                Opacity="{Binding SearchIconOpacity}"
                                 Stretch="Fill"
                                 Style="{DynamicResource SearchIconStyle}"
                                 Visibility="{Binding SearchIconVisibility}" />
@@ -338,7 +350,7 @@
                     Y2="0" />
             </Grid>
 
-            <Grid ClipToBounds="True">
+            <Grid x:Name="MiddleSeparatorArea" ClipToBounds="True">
                 <ContentControl>
                     <ContentControl.Style>
                         <Style TargetType="ContentControl">
@@ -377,8 +389,8 @@
                         Style="{DynamicResource SeparatorStyle}" />
                 </ContentControl>
             </Grid>
-          
-            <Border Style="{DynamicResource WindowRadius}">
+
+            <Border x:Name="ResultPreviewAreaBoarder" Style="{DynamicResource WindowRadius}">
                 <Border.Clip>
                     <MultiBinding Converter="{StaticResource BorderClipConverter}">
                         <Binding Path="ActualWidth" RelativeSource="{RelativeSource Self}" />
@@ -386,12 +398,14 @@
                         <Binding Path="CornerRadius" RelativeSource="{RelativeSource Self}" />
                     </MultiBinding>
                 </Border.Clip>
-                <Grid>
+
+                <Grid x:Name="ResultPreviewArea">
                     <Grid.ColumnDefinitions>
                         <ColumnDefinition Width="*" MinWidth="80" />
                         <ColumnDefinition Width="Auto" />
                         <ColumnDefinition Width="0.85*" MinWidth="244" />
                     </Grid.ColumnDefinitions>
+
                     <StackPanel
                         x:Name="ResultArea"
                         Grid.Column="0"
@@ -418,7 +432,9 @@
                                 RightClickResultCommand="{Binding RightClickResultCommand}" />
                         </ContentControl>
                     </StackPanel>
+
                     <GridSplitter
+                        x:Name="PreviewMiddleSeparator"
                         Grid.Column="1"
                         Margin="0"
                         HorizontalAlignment="Center"
@@ -432,6 +448,7 @@
                             </ControlTemplate>
                         </GridSplitter.Template>
                     </GridSplitter>
+
                     <Grid
                         x:Name="Preview"
                         Grid.Column="2"
@@ -441,7 +458,7 @@
                         <Border
                             MinHeight="380"
                             d:DataContext="{d:DesignInstance vm:ResultViewModel}"
-                            DataContext="{Binding SelectedItem, ElementName=ResultListBox}"
+                            DataContext="{Binding PreviewSelectedItem, Mode=OneWay}"
                             Visibility="{Binding ShowDefaultPreview}">
                             <Grid
                                 Margin="0 0 10 5"
@@ -518,7 +535,7 @@
                             MaxHeight="{Binding ElementName=ResultListBox, Path=ActualHeight}"
                             Padding="0 0 10 10"
                             d:DataContext="{d:DesignInstance vm:ResultViewModel}"
-                            DataContext="{Binding SelectedItem, ElementName=ResultListBox}"
+                            DataContext="{Binding PreviewSelectedItem, Mode=OneWay}"
                             Visibility="{Binding ShowCustomizedPreview}">
                             <ContentControl Content="{Binding Result.PreviewPanel.Value}" />
                         </Border>

Flow.Launcher/Msg.xaml.cs

@@ -1,10 +1,9 @@
-using System;
+using System;
 using System.IO;
 using System.Windows;
 using System.Windows.Forms;
 using System.Windows.Input;
 using System.Windows.Media.Animation;
-using Flow.Launcher.Helper;
 using Flow.Launcher.Infrastructure;
 using Flow.Launcher.Infrastructure.Image;
 
@@ -12,14 +11,14 @@ namespace Flow.Launcher
 {
     public partial class Msg : Window
     {
-        Storyboard fadeOutStoryboard = new Storyboard();
+        private readonly Storyboard fadeOutStoryboard = new();
         private bool closing;
 
         public Msg()
         {
             InitializeComponent();
             var screen = Screen.FromPoint(System.Windows.Forms.Cursor.Position);
-            var dipWorkingArea = WindowsInteropHelper.TransformPixelsToDIP(this,
+            var dipWorkingArea = Win32Helper.TransformPixelsToDIP(this,
                 screen.WorkingArea.Width,
                 screen.WorkingArea.Height);
             Left = dipWorkingArea.X - Width;
@@ -82,13 +81,13 @@ namespace Flow.Launcher
             Show();
 
             await Dispatcher.InvokeAsync(async () =>
-                                   {
-                                       if (!closing)
-                                       {
-                                           closing = true;
-                                           await Dispatcher.InvokeAsync(fadeOutStoryboard.Begin);
-                                       }
-                                   });
+            {
+                if (!closing)
+                {
+                    closing = true;
+                    await Dispatcher.InvokeAsync(fadeOutStoryboard.Begin);
+                }
+            });
         }
     }
 }

Flow.Launcher/NativeMethods.txt

@@ -1,20 +0,0 @@
-DwmSetWindowAttribute
-DwmExtendFrameIntoClientArea
-SystemParametersInfo
-SetForegroundWindow
-
-GetWindowLong
-SetWindowLong
-GetForegroundWindow
-GetDesktopWindow
-GetShellWindow
-GetWindowRect
-GetClassName
-FindWindowEx
-WINDOW_STYLE
-
-WM_ENTERSIZEMOVE
-WM_EXITSIZEMOVE
-
-SetLastError
-WINDOW_EX_STYLE

Flow.Launcher/PublicAPIInstance.cs

@@ -1,46 +1,48 @@
 using System;
+using System.Collections.Concurrent;
 using System.Collections.Generic;
+using System.Collections.Specialized;
+using System.Diagnostics;
+using System.IO;
 using System.Linq;
 using System.Net;
+using System.Runtime.CompilerServices;
+using System.Threading;
 using System.Threading.Tasks;
 using System.Windows;
+using CommunityToolkit.Mvvm.DependencyInjection;
 using Squirrel;
+using Flow.Launcher.Core;
 using Flow.Launcher.Core.Plugin;
-using Flow.Launcher.Core.Resource;
 using Flow.Launcher.Helper;
 using Flow.Launcher.Infrastructure;
+using Flow.Launcher.Infrastructure.Http;
 using Flow.Launcher.Infrastructure.Hotkey;
 using Flow.Launcher.Infrastructure.Image;
-using Flow.Launcher.Plugin;
-using Flow.Launcher.ViewModel;
-using Flow.Launcher.Plugin.SharedModels;
-using Flow.Launcher.Plugin.SharedCommands;
-using System.Threading;
-using System.IO;
-using Flow.Launcher.Infrastructure.Http;
-using JetBrains.Annotations;
-using System.Runtime.CompilerServices;
 using Flow.Launcher.Infrastructure.Logger;
 using Flow.Launcher.Infrastructure.Storage;
-using System.Collections.Concurrent;
-using System.Diagnostics;
-using System.Collections.Specialized;
-using CommunityToolkit.Mvvm.DependencyInjection;
-using Flow.Launcher.Core;
 using Flow.Launcher.Infrastructure.UserSettings;
+using Flow.Launcher.Plugin;
+using Flow.Launcher.Plugin.SharedModels;
+using Flow.Launcher.Plugin.SharedCommands;
+using Flow.Launcher.ViewModel;
+using JetBrains.Annotations;
+using Flow.Launcher.Core.Resource;
 
 namespace Flow.Launcher
 {
     public class PublicAPIInstance : IPublicAPI
     {
         private readonly Settings _settings;
+        private readonly Internationalization _translater;
         private readonly MainViewModel _mainVM;
 
         #region Constructor
 
-        public PublicAPIInstance(Settings settings, MainViewModel mainVM)
+        public PublicAPIInstance(Settings settings, Internationalization translater, MainViewModel mainVM)
         {
             _settings = settings;
+            _translater = translater;
             _mainVM = mainVM;
             GlobalHotkey.hookedKeyboardCallback = KListener_hookedKeyboardCallback;
             WebRequest.RegisterPrefix("data", new DataWebRequestFactory());
@@ -153,17 +155,17 @@ namespace Flow.Launcher
 
         public void StopLoadingBar() => _mainVM.ProgressBarVisibility = Visibility.Collapsed;
 
-        public string GetTranslation(string key) => InternationalizationManager.Instance.GetTranslation(key);
+        public string GetTranslation(string key) => _translater.GetTranslation(key);
 
         public List<PluginPair> GetAllPlugins() => PluginManager.AllPlugins.ToList();
 
         public MatchResult FuzzySearch(string query, string stringToCompare) =>
             StringMatcher.FuzzySearch(query, stringToCompare);
 
-        public Task<string> HttpGetStringAsync(string url, CancellationToken token = default) => Http.GetAsync(url);
+        public Task<string> HttpGetStringAsync(string url, CancellationToken token = default) => Http.GetAsync(url, token);
 
         public Task<Stream> HttpGetStreamAsync(string url, CancellationToken token = default) =>
-            Http.GetStreamAsync(url);
+            Http.GetStreamAsync(url, token);
 
         public Task HttpDownloadAsync([NotNull] string url, [NotNull] string filePath, Action<double> reportProgress = null,
             CancellationToken token = default) => Http.DownloadAsync(url, filePath, reportProgress, token);
@@ -190,7 +192,7 @@ namespace Flow.Launcher
 
         private readonly ConcurrentDictionary<Type, object> _pluginJsonStorages = new();
 
-        public object RemovePluginSettings(string assemblyName)
+        public void RemovePluginSettings(string assemblyName)
         {
             foreach (var keyValuePair in _pluginJsonStorages)
             {
@@ -200,11 +202,8 @@ namespace Flow.Launcher
                 if (name == assemblyName)
                 {
                     _pluginJsonStorages.Remove(key, out var pluginJsonStorage);
-                    return pluginJsonStorage;
                 }
             }
-
-            return null;
         }
 
         /// <summary>
@@ -329,7 +328,6 @@ namespace Flow.Launcher
             return _mainVM.GameModeStatus;
         }
 
-
         private readonly List<Func<int, int, SpecialKeyState, bool>> _globalKeyboardHandlers = new();
 
         public void RegisterGlobalKeyboardCallback(Func<int, int, SpecialKeyState, bool> callback) => _globalKeyboardHandlers.Add(callback);

Flow.Launcher/Resources/Controls/Card.xaml

@@ -20,21 +20,21 @@
                         <Setter Property="BorderThickness" Value="1" />
                         <Setter Property="CornerRadius" Value="5" />
                         <Setter Property="MinHeight" Value="68" />
-                        <Setter Property="Padding" Value="0,15,0,15" />
-                        <Setter Property="Margin" Value="0,4,0,0" />
+                        <Setter Property="Padding" Value="0 15 0 15" />
+                        <Setter Property="Margin" Value="0 4 0 0" />
                         <Setter Property="SnapsToDevicePixels" Value="True" />
                         <Style.Triggers>
                             <DataTrigger Binding="{Binding Type, RelativeSource={RelativeSource AncestorType=local:Card}}" Value="Inside">
-                                <Setter Property="BorderThickness" Value="0,1,0,0" />
+                                <Setter Property="BorderThickness" Value="0 1 0 0" />
                                 <Setter Property="CornerRadius" Value="0" />
-                                <Setter Property="Margin" Value="0,0,0,0" />
+                                <Setter Property="Margin" Value="0 0 0 0" />
                                 <Setter Property="Background" Value="Transparent" />
                             </DataTrigger>
                             <DataTrigger Binding="{Binding Type, RelativeSource={RelativeSource AncestorType=local:Card}}" Value="InsideFit">
-                                <Setter Property="BorderThickness" Value="0,1,0,0" />
+                                <Setter Property="BorderThickness" Value="0 1 0 0" />
                                 <Setter Property="CornerRadius" Value="0" />
-                                <Setter Property="Margin" Value="0,0,0,0" />
-                                <Setter Property="Padding" Value="38,0,26,0" />
+                                <Setter Property="Margin" Value="0 0 0 0" />
+                                <Setter Property="Padding" Value="35 0 26 0" />
                                 <Setter Property="Background" Value="Transparent" />
                             </DataTrigger>
 
@@ -73,7 +73,7 @@
                     <ContentControl
                         Grid.Row="0"
                         Grid.Column="2"
-                        Margin="0,0,16,0"
+                        Margin="0 0 16 0"
                         HorizontalAlignment="Right"
                         VerticalAlignment="Center"
                         Content="{TemplateBinding Content}" />
@@ -91,7 +91,7 @@
                             <TextBlock.Style>
                                 <Style TargetType="{x:Type TextBlock}">
                                     <Setter Property="Foreground" Value="{DynamicResource Color05B}" />
-                                    <Setter Property="Margin" Value="0,0,0,0" />
+                                    <Setter Property="Margin" Value="0 0 0 0" />
                                     <Setter Property="TextWrapping" Value="Wrap" />
                                     <Setter Property="VerticalAlignment" Value="Center" />
                                 </Style>
@@ -107,8 +107,8 @@
                                     </Style.Triggers>
                                     <Setter Property="Foreground" Value="{DynamicResource Color04B}" />
                                     <Setter Property="FontSize" Value="12" />
-                                    <Setter Property="Margin" Value="0,0,0,0" />
-                                    <Setter Property="Padding" Value="0,0,24,0" />
+                                    <Setter Property="Margin" Value="0 0 0 0" />
+                                    <Setter Property="Padding" Value="0 0 24 0" />
                                     <Setter Property="TextWrapping" Value="WrapWithOverflow" />
                                 </Style>
                             </TextBlock.Style>
@@ -120,11 +120,11 @@
                             <Style TargetType="{x:Type TextBlock}">
                                 <Style.Triggers>
                                     <DataTrigger Binding="{Binding ElementName=ItemIcon, Path=Text}" Value="{x:Static sys:String.Empty}">
-                                        <Setter Property="Margin" Value="24,0,0,0" />
+                                        <Setter Property="Margin" Value="24 0 0 0" />
                                     </DataTrigger>
                                 </Style.Triggers>
                                 <Setter Property="Grid.Column" Value="0" />
-                                <Setter Property="Margin" Value="24,0,16,0" />
+                                <Setter Property="Margin" Value="24 0 16 0" />
                                 <Setter Property="VerticalAlignment" Value="Center" />
                                 <Setter Property="FontSize" Value="20" />
                                 <Setter Property="FontFamily" Value="/Resources/#Segoe Fluent Icons" />

Flow.Launcher/Resources/Controls/InstalledPluginDisplay.xaml

@@ -1,14 +1,16 @@
-<UserControl x:Class="Flow.Launcher.Resources.Controls.InstalledPluginDisplay"
-             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-             xmlns:ui="http://schemas.modernwpf.com/2019"
-             xmlns:viewModel="clr-namespace:Flow.Launcher.ViewModel"
-             xmlns:cc="clr-namespace:Flow.Launcher.Resources.Controls"
-             mc:Ignorable="d"
-             d:DataContext="{d:DesignInstance viewModel:PluginViewModel}"
-             d:DesignHeight="300" d:DesignWidth="300">
+<UserControl
+    x:Class="Flow.Launcher.Resources.Controls.InstalledPluginDisplay"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:cc="clr-namespace:Flow.Launcher.Resources.Controls"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:ui="http://schemas.modernwpf.com/2019"
+    xmlns:viewModel="clr-namespace:Flow.Launcher.ViewModel"
+    d:DataContext="{d:DesignInstance viewModel:PluginViewModel}"
+    d:DesignHeight="300"
+    d:DesignWidth="300"
+    mc:Ignorable="d">
     <Expander
         Padding="0"
         BorderThickness="0"
@@ -28,7 +30,7 @@
                         Grid.Column="0"
                         Width="32"
                         Height="32"
-                        Source="{Binding Image, IsAsync=True}" />
+                        Source="{Binding Image, Mode=OneWay, IsAsync=True}" />
                     <StackPanel Grid.Column="1" Margin="16 0 14 0">
                         <TextBlock
                             Foreground="{DynamicResource Color05B}"
@@ -37,12 +39,15 @@
                             ToolTip="{Binding PluginPair.Metadata.Version}" />
                         <TextBlock
                             Margin="0 2 0 0"
-                            Foreground="{DynamicResource Color04B}"
                             FontSize="12"
+                            Foreground="{DynamicResource Color04B}"
                             Text="{Binding PluginPair.Metadata.Description}"
                             TextWrapping="WrapWithOverflow" />
                     </StackPanel>
-                    <StackPanel Grid.Column="2" Orientation="Horizontal" HorizontalAlignment="Right">
+                    <StackPanel
+                        Grid.Column="2"
+                        HorizontalAlignment="Right"
+                        Orientation="Horizontal">
                         <TextBlock
                             Margin="0 0 8 0"
                             VerticalAlignment="Center"
@@ -70,9 +75,7 @@
                                     <Setter Property="FontWeight" Value="DemiBold" />
                                     <Setter Property="Foreground" Value="{DynamicResource Color05B}" />
                                     <Style.Triggers>
-                                        <DataTrigger
-                                            Binding="{Binding ElementName=PriorityButton, UpdateSourceTrigger=PropertyChanged, Path=Content}"
-                                            Value="0">
+                                        <DataTrigger Binding="{Binding ElementName=PriorityButton, UpdateSourceTrigger=PropertyChanged, Path=Content}" Value="0">
                                             <Setter Property="Foreground" Value="{DynamicResource Color08B}" />
                                             <Setter Property="FontWeight" Value="Normal" />
                                         </DataTrigger>
@@ -95,10 +98,12 @@
         <StackPanel>
             <ContentControl Content="{Binding BottomPart1}" />
 
+            <ContentControl Content="{Binding BottomPart2}" />
+
             <Border
-                BorderThickness="0 1 0 0"
+                Background="{DynamicResource Color00B}"
                 BorderBrush="{DynamicResource Color03B}"
-                Background="{DynamicResource Color00B}">
+                BorderThickness="0 1 0 0">
                 <Border.Style>
                     <Style TargetType="Border">
                         <Style.Triggers>
@@ -115,7 +120,7 @@
                     Content="{Binding SettingControl}" />
             </Border>
 
-            <ContentControl Content="{Binding BottomPart2}" />
+            <ContentControl Content="{Binding BottomPart3}" />
         </StackPanel>
     </Expander>
 </UserControl>

Flow.Launcher/Resources/Controls/InstalledPluginDisplayKeyword.xaml

@@ -11,30 +11,33 @@
     mc:Ignorable="d">
     <Border
         Width="Auto"
-        Height="52"
+        Height="Auto"
         Margin="0"
         Padding="0"
         BorderThickness="0 1 0 0"
         CornerRadius="0"
         Style="{DynamicResource SettingGroupBox}"
         Visibility="{Binding ActionKeywordsVisibility}">
-        <DockPanel Margin="22 0 18 0" VerticalAlignment="Center">
+        <DockPanel Margin="{StaticResource SettingPanelMargin}">
             <TextBlock
-                Margin="48 0 10 0"
+                Margin="{StaticResource SettingPanelItemRightMargin}"
+                HorizontalAlignment="Left"
+                VerticalAlignment="Center"
                 DockPanel.Dock="Left"
                 Style="{StaticResource Glyph}">
                 &#xe819;
             </TextBlock>
             <TextBlock
+                Margin="{StaticResource SettingPanelItemRightMargin}"
                 HorizontalAlignment="Left"
                 VerticalAlignment="Center"
                 DockPanel.Dock="Left"
                 Style="{DynamicResource SettingTitleLabel}"
                 Text="{DynamicResource actionKeywords}" />
+            <!--  Here Margin="0 -4.5 0 -4.5" is to remove redundant top bottom margin from Margin="{StaticResource SettingPanelMargin}"  -->
             <Button
                 Width="100"
-                Height="34"
-                Margin="5 0 0 0"
+                Margin="0 -4.5 0 -4.5"
                 HorizontalAlignment="Right"
                 Command="{Binding SetActionKeywordsCommand}"
                 Content="{Binding ActionKeywordsText}"

Flow.Launcher/Resources/Controls/InstalledPluginSearchDelay.xaml

@@ -0,0 +1,49 @@
+<UserControl
+    x:Class="Flow.Launcher.Resources.Controls.InstalledPluginSearchDelay"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:viewModel="clr-namespace:Flow.Launcher.ViewModel"
+    d:DataContext="{d:DesignInstance viewModel:PluginViewModel}"
+    d:DesignHeight="300"
+    d:DesignWidth="300"
+    mc:Ignorable="d">
+    <Border
+        Width="Auto"
+        Height="Auto"
+        Margin="0"
+        Padding="0"
+        BorderThickness="0 1 0 0"
+        CornerRadius="0"
+        Style="{DynamicResource SettingGroupBox}">
+        <DockPanel Margin="{StaticResource SettingPanelMargin}">
+            <TextBlock
+                Margin="{StaticResource SettingPanelItemRightMargin}"
+                HorizontalAlignment="Left"
+                VerticalAlignment="Center"
+                DockPanel.Dock="Left"
+                Style="{StaticResource Glyph}">
+                &#xE916;
+            </TextBlock>
+            <TextBlock
+                Margin="{StaticResource SettingPanelItemRightMargin}"
+                HorizontalAlignment="Left"
+                VerticalAlignment="Center"
+                DockPanel.Dock="Left"
+                Style="{DynamicResource SettingTitleLabel}"
+                Text="{DynamicResource pluginSearchDelayTime}" />
+            <!--  Here Margin="0 -4.5 0 -4.5" is to remove redundant top bottom margin from Margin="{StaticResource SettingPanelMargin}"  -->
+            <Button
+                Width="100"
+                Margin="0 -4.5 0 -4.5"
+                HorizontalAlignment="Right"
+                Command="{Binding SetSearchDelayTimeCommand}"
+                Content="{Binding SearchDelayTimeText}"
+                Cursor="Hand"
+                DockPanel.Dock="Right"
+                FontWeight="Bold"
+                ToolTip="{DynamicResource pluginSearchDelayTimeTooltip}" />
+        </DockPanel>
+    </Border>
+</UserControl>

Flow.Launcher/Resources/Controls/InstalledPluginSearchDelay.xaml.cs

@@ -0,0 +1,11 @@
+using System.Windows.Controls;
+
+namespace Flow.Launcher.Resources.Controls;
+
+public partial class InstalledPluginSearchDelay : UserControl
+{
+    public InstalledPluginSearchDelay()
+    {
+        InitializeComponent();
+    }
+}

Flow.Launcher/Resources/CustomControlTemplate.xaml

@@ -5585,4 +5585,31 @@
             </Setter.Value>
         </Setter>
     </Style>
+
+    <!--  Settings Panel  -->
+    <Thickness x:Key="SettingPanelMargin">70,13.5,18,13.5</Thickness>
+
+    <Thickness x:Key="SettingPanelItemLeftMargin">9,0,0,0</Thickness>
+    <Thickness x:Key="SettingPanelItemRightMargin">0,0,9,0</Thickness>
+    <Thickness x:Key="SettingPanelItemTopBottomMargin">0,4.5,0,4.5</Thickness>
+
+    <Thickness x:Key="SettingPanelItemLeftTopBottomMargin">9,4.5,0,4.5</Thickness>
+    <Thickness x:Key="SettingPanelItemRightTopBottomMargin">0,4.5,9,4.5</Thickness>
+
+    <Style x:Key="SettingPanelSeparatorStyle" TargetType="Separator">
+        <Setter Property="Margin" Value="-70 13.5 -18 13.5" />
+        <Setter Property="Height" Value="1" />
+        <Setter Property="VerticalAlignment" Value="Top" />
+        <Setter Property="Background" Value="{DynamicResource Color03B}" />
+    </Style>
+
+    <system:Double x:Key="SettingPanelTextBoxMinWidth">180</system:Double>
+    <system:Double x:Key="SettingPanelPathTextBoxWidth">240</system:Double>
+    <system:Double x:Key="SettingPanelAreaTextBoxMinHeight">150</system:Double>
+
+    <Style x:Key="SettingPanelTextBlockDescriptionStyle" TargetType="TextBlock">
+        <Setter Property="FontSize" Value="12" />
+        <Setter Property="Margin" Value="0 2 0 0" />
+        <Setter Property="Foreground" Value="{DynamicResource Color04B}" />
+    </Style>
 </ResourceDictionary>

Flow.Launcher/Resources/Dark.xaml

@@ -7,17 +7,17 @@
     xmlns:sys="clr-namespace:System;assembly=mscorlib">
 
     <SolidColorBrush x:Key="SystemThemeBorder" Color="#3f3f3f" />
-    <SolidColorBrush x:Key="QuerySuggestionBoxForeground" Color="#4d4d4d" />
+    <SolidColorBrush x:Key="QuerySuggestionBoxForeground" Color="#33FFFFFF" />
     <SolidColorBrush x:Key="QuerySelectionBrush" Color="#4a5459" />
-    <SolidColorBrush x:Key="SubTitleForeground" Color="#7b7b7b" />
-    <SolidColorBrush x:Key="SubTitleSelectedForeground" Color="#7b7b7b" />
-    <SolidColorBrush x:Key="SearchIconForeground" Color="#4d4d4d" />
-    <SolidColorBrush x:Key="SeparatorForeground" Color="#14ffffff" />
+    <SolidColorBrush x:Key="SubTitleForeground" Color="#33FFFFFF" />
+    <SolidColorBrush x:Key="SubTitleSelectedForeground" Color="#33FFFFFF" />
+    <SolidColorBrush x:Key="SearchIconForeground" Color="#33FFFFFF" />
+    <SolidColorBrush x:Key="SeparatorForeground" Color="#24FFFFFF" />
     <SolidColorBrush x:Key="ThumbColor" Color="#9a9a9a" />
     <SolidColorBrush x:Key="InlineHighlight" Color="#0078d7" />
-    <SolidColorBrush x:Key="HotkeyForeground" Color="#7b7b7b" />
-    <SolidColorBrush x:Key="HotkeySelectedForeground" Color="#7b7b7b" />
-    <SolidColorBrush x:Key="ClockDateForeground" Color="#4d4d4d" />
+    <SolidColorBrush x:Key="HotkeyForeground" Color="#33FFFFFF" />
+    <SolidColorBrush x:Key="HotkeySelectedForeground" Color="#33FFFFFF" />
+    <SolidColorBrush x:Key="ClockDateForeground" Color="#26FFFFFF" />
     <Color x:Key="ItemSelectedBackgroundColorBrush">#198F8F8F</Color>
 
 
@@ -58,6 +58,9 @@
     <SolidColorBrush x:Key="BasicSeparatorColor" Color="#cecece" />
     <SolidColorBrush x:Key="BasicLineColor" Color="#cecece" />
 
+    <SolidColorBrush x:Key="NewHotkeyForeground" Color="#44FFFFFF" />
+    <SolidColorBrush x:Key="BasicHotkeyBGColor" Color="#13FFFFFF" />
+
     <SolidColorBrush x:Key="ThemeHoverButton" Color="#3c3c3c" />
     <SolidColorBrush x:Key="PopuBGColor" Color="#202020" />
     <SolidColorBrush x:Key="PopupBGColor" Color="#202020" />
@@ -116,6 +119,8 @@
     <SolidColorBrush x:Key="InfoBarWarningBG" Color="#433519" />
     <SolidColorBrush x:Key="InfoBarBD" Color="#19000000" />
 
+    <SolidColorBrush x:Key="MouseOverWindowCloseButtonForegroundBrush" Color="#ffffff" />
+
     <SolidColorBrush x:Key="ButtonOutBorder" Color="Transparent" />
     <SolidColorBrush x:Key="ButtonInsideBorder" Color="#3f3f3f" />
     <SolidColorBrush x:Key="ButtonBackgroundColor" Color="#373737" />

Flow.Launcher/Resources/Light.xaml

@@ -7,18 +7,18 @@
     xmlns:sys="clr-namespace:System;assembly=mscorlib">
 
     <SolidColorBrush x:Key="SystemThemeBorder" Color="#aaaaaa" />
-    <SolidColorBrush x:Key="QuerySuggestionBoxForeground" Color="#d8d2d0" />
+    <SolidColorBrush x:Key="QuerySuggestionBoxForeground" Color="#51000000" />
     <SolidColorBrush x:Key="QuerySelectionBrush" Color="#0a68d8" />
     <SolidColorBrush x:Key="SubTitleForeground" Color="#818181" />
     <SolidColorBrush x:Key="SubTitleSelectedForeground" Color="#72767d" />
-    <SolidColorBrush x:Key="SearchIconForeground" Color="#d3d3d3" />
-    <SolidColorBrush x:Key="SeparatorForeground" Color="#14000000" />
+    <SolidColorBrush x:Key="SearchIconForeground" Color="#20000000" />
+    <SolidColorBrush x:Key="SeparatorForeground" Color="#20000000" />
     <SolidColorBrush x:Key="ThumbColor" Color="#868686" />
     <SolidColorBrush x:Key="InlineHighlight" Color="#0078d7" />
-    <SolidColorBrush x:Key="HotkeyForeground" Color="#acacac" />
-    <SolidColorBrush x:Key="HotkeySelectedForeground" Color="#acacac" />
-    <SolidColorBrush x:Key="ClockDateForeground" Color="#d3d3d3" />
-    <Color x:Key="ItemSelectedBackgroundColorBrush">#198F8F8F</Color>
+    <SolidColorBrush x:Key="HotkeyForeground" Color="#51000000" />
+    <SolidColorBrush x:Key="HotkeySelectedForeground" Color="#51000000" />
+    <SolidColorBrush x:Key="ClockDateForeground" Color="#44000000" />
+    <Color x:Key="ItemSelectedBackgroundColorBrush">#0C000000</Color>
 
     <SolidColorBrush x:Key="Color00B" Color="#fbfbfb" />
     <SolidColorBrush x:Key="Color01B" Color="#f3f3f3" />
@@ -51,6 +51,9 @@
     <SolidColorBrush x:Key="PluginInfoColor" Color="#8f8f8f" />
     <SolidColorBrush x:Key="BasicLabelColor" Color="#1b1b1b" />
 
+    <SolidColorBrush x:Key="NewHotkeyForeground" Color="#5E000000" />
+    <SolidColorBrush x:Key="BasicHotkeyBGColor" Color="#0A000000" />
+
     <SolidColorBrush x:Key="ThemeHoverButton" Color="#f6f6f6" />
     <!--  Typo  -->
     <SolidColorBrush x:Key="PopuBGColor" Color="#ffffff" />
@@ -107,6 +110,7 @@
     <SolidColorBrush x:Key="InfoBarWarningBG" Color="#FFF4CE" />
     <SolidColorBrush x:Key="InfoBarBD" Color="#0F000000" />
 
+    <SolidColorBrush x:Key="MouseOverWindowCloseButtonForegroundBrush" Color="#ffffff" />
 
     <SolidColorBrush x:Key="ButtonOutBorder" Color="#e5e5e5" />
     <SolidColorBrush x:Key="ButtonInsideBorder" Color="#d3d3d3" />

Flow.Launcher/Resources/Pages/WelcomePage1.xaml

@@ -110,8 +110,8 @@
                 <Border.Background>
                     <LinearGradientBrush StartPoint="0 0" EndPoint="1 1">
                         <LinearGradientBrush.GradientStops>
-                            <GradientStop Offset="0.0" Color="#1494df" />
-                            <GradientStop Offset="1.0" Color="#1073bd" />
+                            <GradientStop Offset="0.0" Color="#2A4D8C" />
+                            <GradientStop Offset="1.0" Color="#1E3160" />
                         </LinearGradientBrush.GradientStops>
                     </LinearGradientBrush>
                 </Border.Background>

Flow.Launcher/Resources/Pages/WelcomePage2.xaml

@@ -60,7 +60,7 @@
                         HorizontalAlignment="Center"
                         VerticalAlignment="Center"
                         Orientation="Horizontal">
-                        <Border Width="450" Style="{DynamicResource WindowBorderStyle}">
+                        <Border Width="450" Style="{DynamicResource PreviewWindowBorderStyle}">
                             <Border Style="{DynamicResource WindowRadius}">
                                 <Grid>
                                     <Grid.RowDefinitions>

Flow.Launcher/Resources/Pages/WelcomePage5.xaml

@@ -58,10 +58,10 @@
 
             <Border Grid.Row="0" HorizontalAlignment="Stretch">
                 <Border.Background>
-                    <LinearGradientBrush StartPoint="0 0" EndPoint="1 1">
+                    <LinearGradientBrush StartPoint="0 1" EndPoint="0 0">
                         <LinearGradientBrush.GradientStops>
-                            <GradientStop Offset="0.0" Color="#7b83eb" />
-                            <GradientStop Offset="1.0" Color="#555dc0" />
+                            <GradientStop Offset="0.0" Color="#E5F3F7" />
+                            <GradientStop Offset="1.0" Color="#FAFAFD" />
                         </LinearGradientBrush.GradientStops>
                     </LinearGradientBrush>
                 </Border.Background>

Flow.Launcher/ResultListBox.xaml

@@ -65,23 +65,24 @@
                             Margin="0 0 10 0"
                             VerticalAlignment="Center"
                             Visibility="{Binding ShowOpenResultHotkey}">
-                            <TextBlock
-                                x:Name="Hotkey"
-                                Margin="12 0 12 0"
-                                Padding="0 0 0 0"
-                                HorizontalAlignment="Right"
-                                VerticalAlignment="Center"
-                                Style="{DynamicResource ItemHotkeyStyle}">
-                                <TextBlock.Visibility>
+                            <Border x:Name="HotkeyBG" Style="{DynamicResource ItemHotkeyBGStyle}">
+                                <Border.Visibility>
                                     <Binding Converter="{StaticResource ResourceKey=OpenResultHotkeyVisibilityConverter}" RelativeSource="{RelativeSource Mode=FindAncestor, AncestorType=ListBoxItem}" />
-                                </TextBlock.Visibility>
-                                <TextBlock.Text>
-                                    <MultiBinding StringFormat="{}{0}+{1}">
-                                        <Binding Path="OpenResultModifiers" />
-                                        <Binding Converter="{StaticResource ResourceKey=OrdinalConverter}" RelativeSource="{RelativeSource Mode=FindAncestor, AncestorType=ListBoxItem}" />
-                                    </MultiBinding>
-                                </TextBlock.Text>
-                            </TextBlock>
+                                </Border.Visibility>
+                                <TextBlock
+                                    x:Name="Hotkey"
+                                    Padding="0 0 0 0"
+                                    HorizontalAlignment="Right"
+                                    VerticalAlignment="Center"
+                                    Style="{DynamicResource ItemHotkeyStyle}">
+                                    <TextBlock.Text>
+                                        <MultiBinding StringFormat="{}{0}+{1}">
+                                            <Binding Path="OpenResultModifiers" />
+                                            <Binding Converter="{StaticResource ResourceKey=OrdinalConverter}" RelativeSource="{RelativeSource Mode=FindAncestor, AncestorType=ListBoxItem}" />
+                                        </MultiBinding>
+                                    </TextBlock.Text>
+                                </TextBlock>
+                            </Border>
                         </StackPanel>
 
                         <Grid Grid.Column="0">
@@ -214,6 +215,7 @@
                     <Setter TargetName="Title" Property="Style" Value="{DynamicResource ItemTitleSelectedStyle}" />
                     <Setter TargetName="SubTitle" Property="Style" Value="{DynamicResource ItemSubTitleSelectedStyle}" />
                     <Setter TargetName="Hotkey" Property="Style" Value="{DynamicResource ItemHotkeySelectedStyle}" />
+                    <Setter TargetName="HotkeyBG" Property="Style" Value="{DynamicResource ItemHotkeyBGSelectedStyle}" />
                     <Setter TargetName="GlyphIcon" Property="Style" Value="{DynamicResource ItemGlyphSelectedStyle}" />
                 </DataTrigger>
             </DataTemplate.Triggers>

Flow.Launcher/SearchDelayTimeWindow.xaml

@@ -0,0 +1,138 @@
+<Window
+    x:Class="Flow.Launcher.SearchDelayTimeWindow"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    Title="{DynamicResource searchDelayTimeTitle}"
+    Width="450"
+    Background="{DynamicResource PopuBGColor}"
+    Foreground="{DynamicResource PopupTextColor}"
+    Icon="Images\app.png"
+    Loaded="SearchDelayTimeWindow_OnLoaded"
+    ResizeMode="NoResize"
+    SizeToContent="Height"
+    WindowStartupLocation="CenterScreen">
+    <WindowChrome.WindowChrome>
+        <WindowChrome CaptionHeight="32" ResizeBorderThickness="{x:Static SystemParameters.WindowResizeBorderThickness}" />
+    </WindowChrome.WindowChrome>
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition />
+            <RowDefinition Height="80" />
+        </Grid.RowDefinitions>
+        <Grid>
+            <StackPanel Grid.Row="0">
+                <StackPanel>
+                    <Grid>
+                        <Grid.ColumnDefinitions>
+                            <ColumnDefinition Width="Auto" />
+                            <ColumnDefinition Width="*" />
+                            <ColumnDefinition Width="Auto" />
+                            <ColumnDefinition Width="Auto" />
+                            <ColumnDefinition Width="Auto" />
+                        </Grid.ColumnDefinitions>
+                        <Button
+                            Grid.Column="4"
+                            Click="BtnCancel_OnClick"
+                            Style="{StaticResource TitleBarCloseButtonStyle}">
+                            <Path
+                                Width="46"
+                                Height="32"
+                                Data="M 18,11 27,20 M 18,20 27,11"
+                                Stroke="{Binding Path=Foreground, RelativeSource={RelativeSource AncestorType={x:Type Button}}}"
+                                StrokeThickness="1">
+                                <Path.Style>
+                                    <Style TargetType="Path">
+                                        <Style.Triggers>
+                                            <DataTrigger Binding="{Binding Path=IsActive, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Window}}}" Value="False">
+                                                <Setter Property="Opacity" Value="0.5" />
+                                            </DataTrigger>
+                                        </Style.Triggers>
+                                    </Style>
+                                </Path.Style>
+                            </Path>
+                        </Button>
+                    </Grid>
+                </StackPanel>
+                <StackPanel Margin="26 12 26 0">
+                    <StackPanel Grid.Row="0" Margin="0 0 0 12">
+                        <TextBlock
+                            Grid.Column="0"
+                            Margin="0 0 0 0"
+                            FontSize="20"
+                            FontWeight="SemiBold"
+                            Text="{DynamicResource searchDelayTimeTitle}"
+                            TextAlignment="Left" />
+                    </StackPanel>
+                    <StackPanel>
+                        <TextBlock
+                            x:Name="tbSearchDelayTimeTips"
+                            FontSize="14"
+                            TextAlignment="Left"
+                            TextWrapping="WrapWithOverflow" />
+                    </StackPanel>
+
+                    <StackPanel Margin="0 18 0 0" Orientation="Horizontal">
+                        <TextBlock
+                            Grid.Row="0"
+                            Grid.Column="1"
+                            HorizontalAlignment="Left"
+                            VerticalAlignment="Center"
+                            FontSize="14"
+                            Text="{DynamicResource currentSearchDelayTime}" />
+                        <TextBlock
+                            x:Name="tbOldSearchDelayTime"
+                            Grid.Row="0"
+                            Grid.Column="1"
+                            Margin="14 10 10 10"
+                            HorizontalAlignment="Left"
+                            VerticalAlignment="Center"
+                            FontSize="14"
+                            FontWeight="SemiBold"
+                            Foreground="{DynamicResource Color05B}" />
+                    </StackPanel>
+                    <StackPanel Margin="0 0 0 10" Orientation="Horizontal">
+                        <TextBlock
+                            Grid.Row="1"
+                            Grid.Column="1"
+                            HorizontalAlignment="Left"
+                            VerticalAlignment="Center"
+                            FontSize="14"
+                            Text="{DynamicResource newSearchDelayTime}" />
+                        <ComboBox
+                            x:Name="cbDelay"
+                            MaxWidth="200"
+                            Margin="10 10 15 10"
+                            HorizontalAlignment="Left"
+                            VerticalAlignment="Center"
+                            DisplayMemberPath="Display"
+                            SelectedValuePath="Value" />
+                    </StackPanel>
+                </StackPanel>
+            </StackPanel>
+        </Grid>
+        <Border
+            Grid.Row="1"
+            Background="{DynamicResource PopupButtonAreaBGColor}"
+            BorderBrush="{DynamicResource PopupButtonAreaBorderColor}"
+            BorderThickness="0 1 0 0">
+            <StackPanel HorizontalAlignment="Center" Orientation="Horizontal">
+                <Button
+                    x:Name="btnCancel"
+                    Width="145"
+                    Height="30"
+                    Margin="10 0 5 0"
+                    Click="BtnCancel_OnClick"
+                    Content="{DynamicResource cancel}" />
+                <Button
+                    x:Name="btnDone"
+                    Width="145"
+                    Height="30"
+                    Margin="5 0 10 0"
+                    Click="btnDone_OnClick"
+                    Style="{StaticResource AccentButtonStyle}">
+                    <TextBlock x:Name="lblAdd" Text="{DynamicResource done}" />
+                </Button>
+            </StackPanel>
+        </Border>
+    </Grid>
+</Window>

Flow.Launcher/SearchDelayTimeWindow.xaml.cs

@@ -0,0 +1,57 @@
+using System.Linq;
+using System.Windows;
+using Flow.Launcher.Plugin;
+using Flow.Launcher.SettingPages.ViewModels;
+using Flow.Launcher.ViewModel;
+using static Flow.Launcher.SettingPages.ViewModels.SettingsPaneGeneralViewModel;
+
+namespace Flow.Launcher;
+
+public partial class SearchDelayTimeWindow : Window
+{
+    private readonly PluginViewModel _pluginViewModel;
+
+    public SearchDelayTimeWindow(PluginViewModel pluginViewModel)
+    {
+        InitializeComponent();
+        _pluginViewModel = pluginViewModel;
+    }
+
+    private void SearchDelayTimeWindow_OnLoaded(object sender, RoutedEventArgs e)
+    {
+        tbSearchDelayTimeTips.Text = string.Format(App.API.GetTranslation("searchDelayTime_tips"),
+            App.API.GetTranslation("default"));
+        tbOldSearchDelayTime.Text = _pluginViewModel.SearchDelayTimeText;
+        var searchDelayTimes = DropdownDataGeneric<SearchDelayTime>.GetValues<SearchDelayTimeData>("SearchDelayTime");
+        SearchDelayTimeData selected = null;
+        // Because default value is SearchDelayTime.VeryShort, we need to get selected value before adding default value
+        if (_pluginViewModel.PluginSearchDelayTime != null)
+        {
+            selected = searchDelayTimes.FirstOrDefault(x => x.Value == _pluginViewModel.PluginSearchDelayTime);
+        }
+        // Add default value to the beginning of the list
+        // When _pluginViewModel.PluginSearchDelayTime equals null, we will select this
+        searchDelayTimes.Insert(0, new SearchDelayTimeData { Display = App.API.GetTranslation("default"), LocalizationKey = "default" });
+        selected ??= searchDelayTimes.FirstOrDefault();
+        cbDelay.ItemsSource = searchDelayTimes;
+        cbDelay.SelectedItem = selected;
+        cbDelay.Focus();
+    }
+
+    private void BtnCancel_OnClick(object sender, RoutedEventArgs e)
+    {
+        Close();
+    }
+
+    private void btnDone_OnClick(object sender, RoutedEventArgs _)
+    {
+        // Update search delay time
+        var selected = cbDelay.SelectedItem as SearchDelayTimeData;
+        SearchDelayTime? changedValue = selected?.LocalizationKey != "default" ? selected.Value : null;
+        _pluginViewModel.PluginSearchDelayTime = changedValue;
+
+        // Update search delay time text and close window
+        _pluginViewModel.OnSearchDelayTimeChanged();
+        Close();
+    }
+}

Flow.Launcher/SettingPages/ViewModels/DropdownDataGeneric.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using Flow.Launcher.Core.Resource;
 using Flow.Launcher.Plugin;
 
 namespace Flow.Launcher.SettingPages.ViewModels;
@@ -9,7 +8,7 @@ public class DropdownDataGeneric<TValue> : BaseModel where TValue : Enum
 {
     public string Display { get; set; }
     public TValue Value { get; private init; }
-    private string LocalizationKey { get; init; }
+    public string LocalizationKey { get; set; }
 
     public static List<TR> GetValues<TR>(string keyPrefix) where TR : DropdownDataGeneric<TValue>, new()
     {
@@ -19,7 +18,7 @@ public class DropdownDataGeneric<TValue> : BaseModel where TValue : Enum
         foreach (var value in enumValues)
         {
             var key = keyPrefix + value;
-            var display = InternationalizationManager.Instance.GetTranslation(key);
+            var display = App.API.GetTranslation(key);
             data.Add(new TR { Display = display, Value = value, LocalizationKey = key });
         }
 
@@ -30,7 +29,7 @@ public class DropdownDataGeneric<TValue> : BaseModel where TValue : Enum
     {
         foreach (var item in options)
         {
-            item.Display = InternationalizationManager.Instance.GetTranslation(item.LocalizationKey);
+            item.Display = App.API.GetTranslation(item.LocalizationKey);
         }
     }
 }

Flow.Launcher/SettingPages/ViewModels/SettingsPaneAboutViewModel.cs

@@ -6,7 +6,6 @@ using System.Threading.Tasks;
 using System.Windows;
 using CommunityToolkit.Mvvm.Input;
 using Flow.Launcher.Core;
-using Flow.Launcher.Core.Resource;
 using Flow.Launcher.Infrastructure;
 using Flow.Launcher.Infrastructure.Logger;
 using Flow.Launcher.Infrastructure.UserSettings;
@@ -16,6 +15,8 @@ namespace Flow.Launcher.SettingPages.ViewModels;
 
 public partial class SettingsPaneAboutViewModel : BaseModel
 {
+    private static readonly string ClassName = nameof(SettingsPaneAboutViewModel);
+
     private readonly Settings _settings;
     private readonly Updater _updater;
 
@@ -24,7 +25,16 @@ public partial class SettingsPaneAboutViewModel : BaseModel
         get
         {
             var size = GetLogFiles().Sum(file => file.Length);
-            return $"{InternationalizationManager.Instance.GetTranslation("clearlogfolder")} ({BytesToReadableString(size)})";
+            return $"{App.API.GetTranslation("clearlogfolder")} ({BytesToReadableString(size)})";
+        }
+    }
+
+    public string CacheFolderSize
+    {
+        get
+        {
+            var size = GetCacheFiles().Sum(file => file.Length);
+            return $"{App.API.GetTranslation("clearcachefolder")} ({BytesToReadableString(size)})";
         }
     }
 
@@ -42,7 +52,7 @@ public partial class SettingsPaneAboutViewModel : BaseModel
     };
 
     public string ActivatedTimes => string.Format(
-        InternationalizationManager.Instance.GetTranslation("about_activate_times"),
+        App.API.GetTranslation("about_activate_times"),
         _settings.ActivateTimes
     );
 
@@ -88,32 +98,52 @@ public partial class SettingsPaneAboutViewModel : BaseModel
     private void AskClearLogFolderConfirmation()
     {
         var confirmResult = App.API.ShowMsgBox(
-            InternationalizationManager.Instance.GetTranslation("clearlogfolderMessage"),
-            InternationalizationManager.Instance.GetTranslation("clearlogfolder"),
+            App.API.GetTranslation("clearlogfolderMessage"),
+            App.API.GetTranslation("clearlogfolder"),
             MessageBoxButton.YesNo
         );
 
         if (confirmResult == MessageBoxResult.Yes)
         {
-            ClearLogFolder();
+            if (!ClearLogFolder())
+            {
+                App.API.ShowMsgBox(App.API.GetTranslation("clearfolderfailMessage"));
+            }
+        }
+    }
+
+    [RelayCommand]
+    private void AskClearCacheFolderConfirmation()
+    {
+        var confirmResult = App.API.ShowMsgBox(
+            App.API.GetTranslation("clearcachefolderMessage"),
+            App.API.GetTranslation("clearcachefolder"),
+            MessageBoxButton.YesNo
+        );
+
+        if (confirmResult == MessageBoxResult.Yes)
+        {
+            if (!ClearCacheFolder())
+            {
+                App.API.ShowMsgBox(App.API.GetTranslation("clearfolderfailMessage"));
+            }
         }
     }
 
     [RelayCommand]
     private void OpenSettingsFolder()
     {
-        App.API.OpenDirectory(Path.Combine(DataLocation.DataDirectory(), Constant.Settings));
+        App.API.OpenDirectory(DataLocation.SettingsDirectory);
     }
 
     [RelayCommand]
     private void OpenParentOfSettingsFolder(object parameter)
     {
-        string settingsFolderPath = Path.Combine(DataLocation.DataDirectory(), Constant.Settings);
+        string settingsFolderPath = Path.Combine(DataLocation.SettingsDirectory);
         string parentFolderPath = Path.GetDirectoryName(settingsFolderPath);
         App.API.OpenDirectory(parentFolderPath);
     }
 
-
     [RelayCommand]
     private void OpenLogsFolder()
     {
@@ -121,26 +151,52 @@ public partial class SettingsPaneAboutViewModel : BaseModel
     }
 
     [RelayCommand]
-    private Task UpdateApp() => _updater.UpdateAppAsync(false);
+    private Task UpdateAppAsync() => _updater.UpdateAppAsync(false);
 
-    private void ClearLogFolder()
+    private bool ClearLogFolder()
     {
+        var success = true;
         var logDirectory = GetLogDir();
         var logFiles = GetLogFiles();
 
-        logFiles.ForEach(f => f.Delete());
+        logFiles.ForEach(f =>
+        {
+            try
+            {
+                f.Delete();
+            }
+            catch (Exception e)
+            {
+                App.API.LogException(ClassName, $"Failed to delete log file: {f.Name}", e);
+                success = false;
+            }
+        });
 
         logDirectory.EnumerateDirectories("*", SearchOption.TopDirectoryOnly)
+            // Do not clean log files of current version
             .Where(dir => !Constant.Version.Equals(dir.Name))
             .ToList()
-            .ForEach(dir => dir.Delete());
+            .ForEach(dir =>
+            {
+                try
+                {
+                    dir.Delete(true);
+                }
+                catch (Exception e)
+                {
+                    App.API.LogException(ClassName, $"Failed to delete log directory: {dir.Name}", e);
+                    success = false;
+                }
+            });
 
         OnPropertyChanged(nameof(LogFolderSize));
+
+        return success;
     }
 
     private static DirectoryInfo GetLogDir(string version = "")
     {
-        return new DirectoryInfo(Path.Combine(DataLocation.DataDirectory(), Constant.Logs, version));
+        return new DirectoryInfo(Path.Combine(DataLocation.LogDirectory, version));
     }
 
     private static List<FileInfo> GetLogFiles(string version = "")
@@ -148,6 +204,55 @@ public partial class SettingsPaneAboutViewModel : BaseModel
         return GetLogDir(version).EnumerateFiles("*", SearchOption.AllDirectories).ToList();
     }
 
+    private bool ClearCacheFolder()
+    {
+        var success = true;
+        var cacheDirectory = GetCacheDir();
+        var cacheFiles = GetCacheFiles();
+
+        cacheFiles.ForEach(f =>
+        {
+            try
+            {
+                f.Delete();
+            }
+            catch (Exception e)
+            {
+                App.API.LogException(ClassName, $"Failed to delete cache file: {f.Name}", e);
+                success = false;
+            }
+        });
+
+        cacheDirectory.EnumerateDirectories("*", SearchOption.TopDirectoryOnly)
+            .ToList()
+            .ForEach(dir =>
+            {
+                try
+                {
+                    dir.Delete(true);
+                }
+                catch (Exception e)
+                {
+                    App.API.LogException(ClassName, $"Failed to delete cache directory: {dir.Name}", e);
+                    success = false;
+                }
+            });
+
+        OnPropertyChanged(nameof(CacheFolderSize));
+
+        return success;
+    }
+
+    private static DirectoryInfo GetCacheDir()
+    {
+        return new DirectoryInfo(DataLocation.CacheDirectory);
+    }
+
+    private static List<FileInfo> GetCacheFiles()
+    {
+        return GetCacheDir().EnumerateFiles("*", SearchOption.AllDirectories).ToList();
+    }
+
     private static string BytesToReadableString(long bytes)
     {
         const int scale = 1024;
@@ -156,8 +261,7 @@ public partial class SettingsPaneAboutViewModel : BaseModel
 
         foreach (string order in orders)
         {
-            if (bytes > max)
-                return $"{decimal.Divide(bytes, max):##.##} {order}";
+            if (bytes > max) return $"{decimal.Divide(bytes, max):##.##} {order}";
 
             max /= scale;
         }

Flow.Launcher/SettingPages/ViewModels/SettingsPaneGeneralViewModel.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Windows.Forms;
 using CommunityToolkit.Mvvm.Input;
 using Flow.Launcher.Core;
@@ -30,6 +31,7 @@ public partial class SettingsPaneGeneralViewModel : BaseModel
     public class SearchWindowAlignData : DropdownDataGeneric<SearchWindowAligns> { }
     public class SearchPrecisionData : DropdownDataGeneric<SearchPrecisionScore> { }
     public class LastQueryModeData : DropdownDataGeneric<LastQueryMode> { }
+    public class SearchDelayTimeData : DropdownDataGeneric<SearchDelayTime> { }
 
     public bool StartFlowLauncherOnSystemStartup
     {
@@ -142,12 +144,33 @@ public partial class SettingsPaneGeneralViewModel : BaseModel
     public List<LastQueryModeData> LastQueryModes { get; } =
         DropdownDataGeneric<LastQueryMode>.GetValues<LastQueryModeData>("LastQuery");
 
+    public List<SearchDelayTimeData> SearchDelayTimes { get; } =
+        DropdownDataGeneric<SearchDelayTime>.GetValues<SearchDelayTimeData>("SearchDelayTime");
+
+    public SearchDelayTimeData SearchDelayTime
+    {
+        get => SearchDelayTimes.FirstOrDefault(x => x.Value == Settings.SearchDelayTime) ?? 
+               SearchDelayTimes.FirstOrDefault(x => x.Value == Plugin.SearchDelayTime.Normal) ?? 
+               SearchDelayTimes.FirstOrDefault();
+        set
+        {
+            if (value == null)
+                return;
+                
+            if (Settings.SearchDelayTime != value.Value)
+            {
+                Settings.SearchDelayTime = value.Value;
+            }
+        }
+    }
+
     private void UpdateEnumDropdownLocalizations()
     {
         DropdownDataGeneric<SearchWindowScreens>.UpdateLabels(SearchWindowScreens);
         DropdownDataGeneric<SearchWindowAligns>.UpdateLabels(SearchWindowAligns);
         DropdownDataGeneric<SearchPrecisionScore>.UpdateLabels(SearchPrecisionScores);
         DropdownDataGeneric<LastQueryMode>.UpdateLabels(LastQueryModes);
+        DropdownDataGeneric<SearchDelayTime>.UpdateLabels(SearchDelayTimes);
     }
 
     public string Language

Flow.Launcher/SettingPages/ViewModels/SettingsPanePluginsViewModel.cs

@@ -30,8 +30,9 @@ public class SettingsPanePluginsViewModel : BaseModel
         .Select(plugin => new PluginViewModel
         {
             PluginPair = plugin,
-            PluginSettingsObject = _settings.PluginSettings.Plugins[plugin.Metadata.ID]
+            PluginSettingsObject = _settings.PluginSettings.GetPluginSettings(plugin.Metadata.ID)
         })
+        .Where(plugin => plugin.PluginSettingsObject != null)
         .ToList();
 
     public List<PluginViewModel> FilteredPluginViewModels => PluginViewModels

Flow.Launcher/SettingPages/ViewModels/SettingsPaneThemeViewModel.cs

@@ -5,6 +5,7 @@ using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Windows.Media;
+using CommunityToolkit.Mvvm.DependencyInjection;
 using CommunityToolkit.Mvvm.Input;
 using Flow.Launcher.Core.Resource;
 using Flow.Launcher.Helper;
@@ -13,7 +14,6 @@ using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.Plugin;
 using Flow.Launcher.ViewModel;
 using ModernWpf;
-using ThemeManager = Flow.Launcher.Core.Resource.ThemeManager;
 using ThemeManagerForColorSchemeSwitch = ModernWpf.ThemeManager;
 
 namespace Flow.Launcher.SettingPages.ViewModels;
@@ -21,46 +21,70 @@ namespace Flow.Launcher.SettingPages.ViewModels;
 public partial class SettingsPaneThemeViewModel : BaseModel
 {
     private const string DefaultFont = "Segoe UI";
+    public string BackdropSubText => !Win32Helper.IsBackdropSupported() ? App.API.GetTranslation("BackdropTypeDisabledToolTip") : ""; 
     public Settings Settings { get; }
+    private readonly Theme _theme = Ioc.Default.GetRequiredService<Theme>();
 
-    public static string LinkHowToCreateTheme => @"https://flowlauncher.com/docs/#/how-to-create-a-theme";
+    public static string LinkHowToCreateTheme => @"https://www.flowlauncher.com/theme-builder/";
     public static string LinkThemeGallery => "https://github.com/Flow-Launcher/Flow.Launcher/discussions/1438";
 
+    private List<Theme.ThemeData> _themes;
+    public List<Theme.ThemeData> Themes => _themes ??= _theme.LoadAvailableThemes();
+
     private Theme.ThemeData _selectedTheme;
     public Theme.ThemeData SelectedTheme
     {
-        get => _selectedTheme ??= Themes.Find(v => v.FileNameWithoutExtension == Settings.Theme);
+        get => _selectedTheme ??= Themes.Find(v => v.FileNameWithoutExtension == _theme.GetCurrentTheme());
         set
         {
             _selectedTheme = value;
-            ThemeManager.Instance.ChangeTheme(value.FileNameWithoutExtension);
+            _theme.ChangeTheme(value.FileNameWithoutExtension);
 
-            if (ThemeManager.Instance.BlurEnabled && Settings.UseDropShadowEffect)
-                DropShadowEffect = false;
+            // Update UI state
+            OnPropertyChanged(nameof(BackdropType));
+            OnPropertyChanged(nameof(IsBackdropEnabled));
+            OnPropertyChanged(nameof(IsDropShadowEnabled));
+            OnPropertyChanged(nameof(DropShadowEffect));
+
+            _ = _theme.RefreshFrameAsync();
         }
     }
 
+    public bool IsBackdropEnabled
+    {
+        get
+        {
+            if (!Win32Helper.IsBackdropSupported()) return false;
+            return SelectedTheme?.HasBlur ?? false;
+        }
+    }
+
+    public bool IsDropShadowEnabled => !_theme.BlurEnabled;
+
     public bool DropShadowEffect
     {
         get => Settings.UseDropShadowEffect;
         set
         {
-            if (ThemeManager.Instance.BlurEnabled && value)
+            if (_theme.BlurEnabled)
             {
-                App.API.ShowMsgBox(InternationalizationManager.Instance.GetTranslation("shadowEffectNotAllowed"));
+                // Always DropShadowEffect = true with blur theme
+                Settings.UseDropShadowEffect = true;
                 return;
             }
 
+            // User can change shadow with non-blur theme.
             if (value)
             {
-                ThemeManager.Instance.AddDropShadowEffectToCurrentTheme();
+                _theme.AddDropShadowEffectToCurrentTheme();
             }
             else
             {
-                ThemeManager.Instance.RemoveDropShadowEffectFromCurrentTheme();
+                _theme.RemoveDropShadowEffectFromCurrentTheme();
             }
 
             Settings.UseDropShadowEffect = value;
+            OnPropertyChanged(nameof(DropShadowEffect));
         }
     }
 
@@ -94,12 +118,25 @@ public partial class SettingsPaneThemeViewModel : BaseModel
         set => Settings.ResultSubItemFontSize = value;
     }
 
-    private List<Theme.ThemeData> _themes;
-    public List<Theme.ThemeData> Themes => _themes ??= ThemeManager.Instance.LoadAvailableThemes();
-
     public class ColorSchemeData : DropdownDataGeneric<ColorSchemes> { }
 
     public List<ColorSchemeData> ColorSchemes { get; } = DropdownDataGeneric<ColorSchemes>.GetValues<ColorSchemeData>("ColorScheme");
+    public string ColorScheme
+    {
+        get => Settings.ColorScheme;
+        set
+        {
+            ThemeManagerForColorSchemeSwitch.Current.ApplicationTheme = value switch
+            {
+                Constant.Light => ApplicationTheme.Light,
+                Constant.Dark => ApplicationTheme.Dark,
+                Constant.System => null,
+                _ => ThemeManagerForColorSchemeSwitch.Current.ApplicationTheme
+            };
+            Settings.ColorScheme = value;
+            _ = _theme.RefreshFrameAsync();
+        }
+    }
 
     public List<string> TimeFormatList { get; } = new()
     {
@@ -174,6 +211,33 @@ public partial class SettingsPaneThemeViewModel : BaseModel
     public class AnimationSpeedData : DropdownDataGeneric<AnimationSpeeds> { }
     public List<AnimationSpeedData> AnimationSpeeds { get; } = DropdownDataGeneric<AnimationSpeeds>.GetValues<AnimationSpeedData>("AnimationSpeed");
 
+    public class BackdropTypeData : DropdownDataGeneric<BackdropTypes> { }
+
+    public List<BackdropTypeData> BackdropTypesList { get; } =
+        DropdownDataGeneric<BackdropTypes>.GetValues<BackdropTypeData>("BackdropTypes");
+    
+    public BackdropTypes BackdropType
+    {
+        get => Enum.IsDefined(typeof(BackdropTypes), Settings.BackdropType)
+            ? Settings.BackdropType
+            : BackdropTypes.None;
+        set
+        {
+            if (!Enum.IsDefined(typeof(BackdropTypes), value))
+            {
+                value = BackdropTypes.None;
+            }
+
+            Settings.BackdropType = value;
+
+            // Can only apply blur because drop shadow effect is not supported with backdrop
+            // So drop shadow effect has been disabled
+            _ = _theme.SetBlurForWindowAsync();
+
+            OnPropertyChanged(nameof(IsDropShadowEnabled));
+        }
+    }
+
     public bool UseSound
     {
         get => Settings.UseSound;
@@ -196,6 +260,23 @@ public partial class SettingsPaneThemeViewModel : BaseModel
         set => Settings.SoundVolume = value;
     }
 
+    public bool ShowPlaceholder
+    {
+        get => Settings.ShowPlaceholder;
+        set => Settings.ShowPlaceholder = value;
+    }
+
+    public string PlaceholderTextTip
+    {
+        get => string.Format(App.API.GetTranslation("PlaceholderTextTip"), App.API.GetTranslation("queryTextBoxPlaceholder"));
+    }
+
+    public string PlaceholderText
+    {
+        get => Settings.PlaceholderText;
+        set => Settings.PlaceholderText = value;
+    }
+
     public bool UseClock
     {
         get => Settings.UseClock;
@@ -219,37 +300,37 @@ public partial class SettingsPaneThemeViewModel : BaseModel
         {
             var results = new List<Result>
             {
-                new Result
+                new()
                 {
-                    Title = InternationalizationManager.Instance.GetTranslation("SampleTitleExplorer"),
-                    SubTitle = InternationalizationManager.Instance.GetTranslation("SampleSubTitleExplorer"),
+                    Title = App.API.GetTranslation("SampleTitleExplorer"),
+                    SubTitle = App.API.GetTranslation("SampleSubTitleExplorer"),
                     IcoPath = Path.Combine(
                         Constant.ProgramDirectory,
                         @"Plugins\Flow.Launcher.Plugin.Explorer\Images\explorer.png"
                     )
                 },
-                new Result
+                new()
                 {
-                    Title = InternationalizationManager.Instance.GetTranslation("SampleTitleWebSearch"),
-                    SubTitle = InternationalizationManager.Instance.GetTranslation("SampleSubTitleWebSearch"),
+                    Title = App.API.GetTranslation("SampleTitleWebSearch"),
+                    SubTitle = App.API.GetTranslation("SampleSubTitleWebSearch"),
                     IcoPath = Path.Combine(
                         Constant.ProgramDirectory,
                         @"Plugins\Flow.Launcher.Plugin.WebSearch\Images\web_search.png"
                     )
                 },
-                new Result
+                new()
                 {
-                    Title = InternationalizationManager.Instance.GetTranslation("SampleTitleProgram"),
-                    SubTitle = InternationalizationManager.Instance.GetTranslation("SampleSubTitleProgram"),
+                    Title = App.API.GetTranslation("SampleTitleProgram"),
+                    SubTitle = App.API.GetTranslation("SampleSubTitleProgram"),
                     IcoPath = Path.Combine(
                         Constant.ProgramDirectory,
                         @"Plugins\Flow.Launcher.Plugin.Program\Images\program.png"
                     )
                 },
-                new Result
+                new()
                 {
-                    Title = InternationalizationManager.Instance.GetTranslation("SampleTitleProcessKiller"),
-                    SubTitle = InternationalizationManager.Instance.GetTranslation("SampleSubTitleProcessKiller"),
+                    Title = App.API.GetTranslation("SampleTitleProcessKiller"),
+                    SubTitle = App.API.GetTranslation("SampleSubTitleProcessKiller"),
                     IcoPath = Path.Combine(
                         Constant.ProgramDirectory,
                         @"Plugins\Flow.Launcher.Plugin.ProcessKiller\Images\app.png"
@@ -281,7 +362,7 @@ public partial class SettingsPaneThemeViewModel : BaseModel
         set
         {
             Settings.QueryBoxFont = value.ToString();
-            ThemeManager.Instance.ChangeTheme(Settings.Theme);
+            _theme.UpdateFonts();
         }
     }
 
@@ -303,7 +384,7 @@ public partial class SettingsPaneThemeViewModel : BaseModel
             Settings.QueryBoxFontStretch = value.Stretch.ToString();
             Settings.QueryBoxFontWeight = value.Weight.ToString();
             Settings.QueryBoxFontStyle = value.Style.ToString();
-            ThemeManager.Instance.ChangeTheme(Settings.Theme);
+            _theme.UpdateFonts();
         }
     }
 
@@ -325,7 +406,7 @@ public partial class SettingsPaneThemeViewModel : BaseModel
         set
         {
             Settings.ResultFont = value.ToString();
-            ThemeManager.Instance.ChangeTheme(Settings.Theme);
+            _theme.UpdateFonts();
         }
     }
 
@@ -347,7 +428,7 @@ public partial class SettingsPaneThemeViewModel : BaseModel
             Settings.ResultFontStretch = value.Stretch.ToString();
             Settings.ResultFontWeight = value.Weight.ToString();
             Settings.ResultFontStyle = value.Style.ToString();
-            ThemeManager.Instance.ChangeTheme(Settings.Theme);
+            _theme.UpdateFonts();
         }
     }
 
@@ -355,9 +436,9 @@ public partial class SettingsPaneThemeViewModel : BaseModel
     {
         get
         {
-            if (Fonts.SystemFontFamilies.Count(o =>
+            if (Fonts.SystemFontFamilies.Any(o =>
                     o.FamilyNames.Values != null &&
-                    o.FamilyNames.Values.Contains(Settings.ResultSubFont)) > 0)
+                    o.FamilyNames.Values.Contains(Settings.ResultSubFont)))
             {
                 var font = new FontFamily(Settings.ResultSubFont);
                 return font;
@@ -371,7 +452,7 @@ public partial class SettingsPaneThemeViewModel : BaseModel
         set
         {
             Settings.ResultSubFont = value.ToString();
-            ThemeManager.Instance.ChangeTheme(Settings.Theme);
+            _theme.UpdateFonts();
         }
     }
 
@@ -392,34 +473,23 @@ public partial class SettingsPaneThemeViewModel : BaseModel
             Settings.ResultSubFontStretch = value.Stretch.ToString();
             Settings.ResultSubFontWeight = value.Weight.ToString();
             Settings.ResultSubFontStyle = value.Style.ToString();
-            ThemeManager.Instance.ChangeTheme(Settings.Theme);
+            _theme.UpdateFonts();
         }
     }
 
     public string ThemeImage => Constant.QueryTextBoxIconImagePath;
 
-    [RelayCommand]
-    private void OpenThemesFolder()
-    {
-        App.API.OpenDirectory(Path.Combine(DataLocation.DataDirectory(), Constant.Themes));
-    }
-
-    public void UpdateColorScheme()
-    {
-        ThemeManagerForColorSchemeSwitch.Current.ApplicationTheme = Settings.ColorScheme switch
-        {
-            Constant.Light => ApplicationTheme.Light,
-            Constant.Dark => ApplicationTheme.Dark,
-            Constant.System => null,
-            _ => ThemeManagerForColorSchemeSwitch.Current.ApplicationTheme
-        };
-    }
-
     public SettingsPaneThemeViewModel(Settings settings)
     {
         Settings = settings;
     }
 
+    [RelayCommand]
+    private void OpenThemesFolder()
+    {
+        App.API.OpenDirectory(DataLocation.ThemesDirectory);
+    }
+
     [RelayCommand]
     public void Reset()
     {

Flow.Launcher/SettingPages/Views/SettingsPaneAbout.xaml

@@ -90,6 +90,10 @@
                 Margin="0 12 0 0"
                 Icon="">
                 <StackPanel Orientation="Horizontal">
+                    <Button
+                        Margin="0 0 12 0"
+                        Command="{Binding AskClearCacheFolderConfirmationCommand}"
+                        Content="{Binding CacheFolderSize, Mode=OneWay}" />
                     <Button
                         Margin="0 0 12 0"
                         Command="{Binding AskClearLogFolderConfirmationCommand}"

Flow.Launcher/SettingPages/Views/SettingsPaneGeneral.xaml

@@ -28,21 +28,26 @@
                 Style="{StaticResource PageTitle}"
                 Text="{DynamicResource general}"
                 TextAlignment="left" />
-
-            <cc:Card Title="{DynamicResource startFlowLauncherOnSystemStartup}" Icon="&#xe8fc;">
-                <ui:ToggleSwitch
-                    IsOn="{Binding StartFlowLauncherOnSystemStartup}"
-                    OffContent="{DynamicResource disable}"
-                    OnContent="{DynamicResource enable}" />
-            </cc:Card>
-
-            <cc:Card Title="{DynamicResource useLogonTaskForStartup}" Sub="{DynamicResource useLogonTaskForStartupTooltip}">
-                <ui:ToggleSwitch
-                    IsOn="{Binding UseLogonTaskForStartup}"
-                    OffContent="{DynamicResource disable}"
-                    OnContent="{DynamicResource enable}" />
-            </cc:Card>
-
+            <cc:ExCard
+                Title="{DynamicResource startFlowLauncherOnSystemStartup}"
+                Margin="0 8 0 0"
+                Icon="&#xe8fc;">
+                <cc:ExCard.SideContent>
+                    <ui:ToggleSwitch
+                        IsOn="{Binding StartFlowLauncherOnSystemStartup}"
+                        OffContent="{DynamicResource disable}"
+                        OnContent="{DynamicResource enable}" />
+                </cc:ExCard.SideContent>
+                <cc:Card
+                    Title="{DynamicResource useLogonTaskForStartup}"
+                    Sub="{DynamicResource useLogonTaskForStartupTooltip}"
+                    Type="InsideFit">
+                    <ui:ToggleSwitch
+                        IsOn="{Binding UseLogonTaskForStartup}"
+                        OffContent="{DynamicResource disable}"
+                        OnContent="{DynamicResource enable}" />
+                </cc:Card>
+            </cc:ExCard>
             <cc:Card
                 Title="{DynamicResource hideOnStartup}"
                 Icon="&#xed1a;"

Flow.Launcher/SettingPages/Views/SettingsPaneTheme.xaml

@@ -30,6 +30,7 @@
         VirtualizingStackPanel.IsVirtualizing="True"
         VirtualizingStackPanel.ScrollUnit="Pixel">
         <StackPanel>
+
             <!--  Page title  -->
             <TextBlock
                 Margin="5 23 0 5"
@@ -38,6 +39,7 @@
                 Text="{DynamicResource appearance}"
                 TextAlignment="left"
                 Visibility="Collapsed" />
+
             <!--  Theme Preview and Editor  -->
             <Grid>
                 <Grid.Style>
@@ -68,6 +70,7 @@
                     <ColumnDefinition Width="8*" />
                     <ColumnDefinition MaxWidth="250" Style="{StaticResource SecondColumnStyle}" />
                 </Grid.ColumnDefinitions>
+
                 <!--  Theme Size Editor  -->
                 <Border
                     Grid.Column="1"
@@ -260,7 +263,8 @@
                         </StackPanel>
                     </ScrollViewer>
                 </Border>
-                <!--  Theme Preview  -->
+
+                <!--  Theme preview  -->
                 <Border
                     Grid.Column="0"
                     Background="{Binding PreviewBackground}"
@@ -303,7 +307,7 @@
                                 Width="400"
                                 Margin="40 30 0 30"
                                 SnapsToDevicePixels="True"
-                                Style="{DynamicResource WindowBorderStyle}">
+                                Style="{DynamicResource PreviewWindowBorderStyle}">
                                 <Border BorderThickness="0" Style="{DynamicResource WindowRadius}">
                                     <Grid>
                                         <Grid.RowDefinitions>
@@ -370,17 +374,6 @@
                     </DockPanel>
                 </Border>
             </Grid>
-            <!--  Drop shadow effect  -->
-            <cc:Card
-                Title="{DynamicResource queryWindowShadowEffect}"
-                Margin="0 8 0 0"
-                Icon="&#xeb91;"
-                Sub="{DynamicResource shadowEffectCPUUsage}">
-                <ui:ToggleSwitch
-                    IsOn="{Binding DropShadowEffect}"
-                    OffContent="{DynamicResource disable}"
-                    OnContent="{DynamicResource enable}" />
-            </cc:Card>
 
             <!--  Theme  -->
             <cc:ExCard
@@ -469,42 +462,67 @@
                     </ListBox.Template>
                 </ListBox>
             </cc:ExCard>
+
+            <cc:CardGroup Margin="0 10 0 0">
+                <!--  Backdrop effect  -->
+                <cc:Card
+                    Title="{DynamicResource BackdropType}"
+                    Margin="0 0 0 0"
+                    Icon="&#xeb42;"
+                    Sub="{Binding BackdropSubText}">
+                    <ComboBox
+                        MinWidth="160"
+                        VerticalAlignment="Center"
+                        DisplayMemberPath="Display"
+                        FontSize="14"
+                        IsEnabled="{Binding IsBackdropEnabled}"
+                        ItemsSource="{Binding BackdropTypesList}"
+                        SelectedValue="{Binding BackdropType, Mode=TwoWay}"
+                        SelectedValuePath="Value" />
+                </cc:Card>
+
+                <!--  Drop shadow effect  -->
+                <cc:Card
+                    Title="{DynamicResource queryWindowShadowEffect}"
+                    Margin="0 0 0 0"
+                    Icon="&#xeb91;">
+                    <ui:ToggleSwitch
+                        IsEnabled="{Binding IsDropShadowEnabled}"
+                        IsOn="{Binding DropShadowEffect}"
+                        OffContent="{DynamicResource disable}"
+                        OnContent="{DynamicResource enable}" />
+                </cc:Card>
+            </cc:CardGroup>
             <cc:HyperLink
                 Margin="10"
                 HorizontalAlignment="Right"
                 Text="{DynamicResource browserMoreThemes}"
                 Uri="{Binding LinkThemeGallery}" />
 
-            <!--  Fixed Height  -->
-            <cc:CardGroup Margin="0 20 0 0">
-                <cc:Card
-                    Title="{DynamicResource KeepMaxResults}"
-                    Icon="&#xe8fd;"
-                    Sub="{DynamicResource KeepMaxResultsToolTip}">
-                    <ui:ToggleSwitch IsOn="{Binding KeepMaxResults}" />
-                </cc:Card>
+            <!--  Fixed size  -->
+            <cc:ExCard
+                Title="{DynamicResource KeepMaxResults}"
+                Margin="0 20 0 0"
+                Icon="&#xE744;"
+                Sub="{DynamicResource KeepMaxResultsToolTip}">
+                <cc:ExCard.SideContent>
+                    <StackPanel VerticalAlignment="Center" Orientation="Horizontal">
+                        <ui:ToggleSwitch
+                            IsOn="{Binding KeepMaxResults}"
+                            OffContent="{DynamicResource disable}"
+                            OnContent="{DynamicResource enable}" />
+                    </StackPanel>
+                </cc:ExCard.SideContent>
                 <cc:Card
                     Title="{DynamicResource maxShowResults}"
                     Sub="{DynamicResource maxShowResultsToolTip}"
-                    Visibility="{Binding KeepMaxResults, Converter={StaticResource BoolToVisibilityConverter}}">
+                    Type="InsideFit">
                     <ComboBox
                         Width="100"
                         ItemsSource="{Binding MaxResultsRange}"
                         SelectedItem="{Binding Settings.MaxResultsToShow}" />
                 </cc:Card>
-            </cc:CardGroup>
-
-            <!--  Fonts and icons  -->
-            <cc:Card
-                Title="{DynamicResource useGlyphUI}"
-                Margin="0 14 0 0"
-                Icon="&#xf6b8;"
-                Sub="{DynamicResource useGlyphUIEffect}">
-                <ui:ToggleSwitch
-                    IsOn="{Binding UseGlyphIcons}"
-                    OffContent="{DynamicResource disable}"
-                    OnContent="{DynamicResource enable}" />
-            </cc:Card>
+            </cc:ExCard>
 
             <!--  Time and date  -->
             <cc:CardGroup Margin="0 14 0 0">
@@ -551,22 +569,45 @@
                 </cc:Card>
             </cc:CardGroup>
 
-            <!--  Animation  -->
-            <cc:CardGroup Margin="0 14 0 0">
+            <!--  Placeholder text  -->
+            <cc:ExCard
+                Title="{DynamicResource ShowPlaceholder}"
+                Margin="0 4 0 0"
+                Icon="&#xea80;"
+                Sub="{DynamicResource ShowPlaceholderTip}">
+                <cc:ExCard.SideContent>
+                    <ui:ToggleSwitch
+                        IsOn="{Binding ShowPlaceholder}"
+                        OffContent="{DynamicResource disable}"
+                        OnContent="{DynamicResource enable}" />
+                </cc:ExCard.SideContent>
                 <cc:Card
-                    Title="{DynamicResource Animation}"
-                    Icon="&#xedb5;"
-                    Sub="{DynamicResource AnimationTip}">
+                    Title="{DynamicResource PlaceholderText}"
+                    Sub="{Binding PlaceholderTextTip}"
+                    Type="InsideFit">
+                    <TextBox
+                        MinWidth="150"
+                        Text="{Binding PlaceholderText}"
+                        TextWrapping="NoWrap" />
+                </cc:Card>
+            </cc:ExCard>
+
+            <!--  Animation  -->
+            <cc:ExCard
+                Title="{DynamicResource Animation}"
+                Margin="0 18 0 0"
+                Icon="&#xedb5;"
+                Sub="{DynamicResource AnimationTip}">
+                <cc:ExCard.SideContent>
                     <ui:ToggleSwitch
                         IsOn="{Binding UseAnimation}"
                         OffContent="{DynamicResource disable}"
                         OnContent="{DynamicResource enable}" />
-                </cc:Card>
+                </cc:ExCard.SideContent>
                 <cc:Card
                     Title="{DynamicResource AnimationSpeed}"
-                    Icon="&#xe916;"
                     Sub="{DynamicResource AnimationSpeedTip}"
-                    Visibility="{Binding UseAnimation, Converter={StaticResource BoolToVisibilityConverter}}">
+                    Type="InsideFit">
                     <StackPanel Orientation="Horizontal">
                         <ComboBox
                             MinWidth="160"
@@ -586,25 +627,25 @@
                                                          IsEqualTo={x:Static userSettings:AnimationSpeeds.Custom}}" />
                     </StackPanel>
                 </cc:Card>
-            </cc:CardGroup>
+            </cc:ExCard>
 
             <!--  SFX  -->
-            <cc:CardGroup Margin="0 14 0 0">
-                <cc:Card
-                    Title="{DynamicResource SoundEffect}"
-                    Icon="&#xe7f5;"
-                    Sub="{DynamicResource SoundEffectTip}">
+            <cc:ExCard
+                Title="{DynamicResource SoundEffect}"
+                Margin="0 4 0 0"
+                Icon="&#xe7f5;"
+                Sub="{DynamicResource SoundEffectTip}">
+                <cc:ExCard.SideContent>
                     <ui:ToggleSwitch
                         IsOn="{Binding UseSound}"
                         OffContent="{DynamicResource disable}"
                         OnContent="{DynamicResource enable}" />
-                </cc:Card>
+                </cc:ExCard.SideContent>
                 <cc:Card
                     Title="{DynamicResource SoundEffectVolume}"
-                    Icon="&#xe994;"
                     IsEnabled="{Binding EnableVolumeAdjustment}"
                     Sub="{DynamicResource SoundEffectVolumeTip}"
-                    Visibility="{Binding UseSound, Converter={StaticResource BoolToVisibilityConverter}}">
+                    Type="InsideFit">
                     <StackPanel Orientation="Horizontal">
                         <TextBlock
                             Margin="0 0 8 0"
@@ -621,7 +662,7 @@
                             Value="{Binding SoundEffectVolume}" />
                     </StackPanel>
                 </cc:Card>
-            </cc:CardGroup>
+            </cc:ExCard>
             <Border
                 Name="WMPWarning"
                 Padding="0 10"
@@ -657,6 +698,18 @@
                 </Grid>
             </Border>
 
+
+            <!--  Fonts and icons  -->
+            <cc:Card
+                Title="{DynamicResource useGlyphUI}"
+                Margin="0 0 0 0"
+                Icon="&#xf6b8;"
+                Sub="{DynamicResource useGlyphUIEffect}">
+                <ui:ToggleSwitch
+                    IsOn="{Binding UseGlyphIcons}"
+                    OffContent="{DynamicResource disable}"
+                    OnContent="{DynamicResource enable}" />
+            </cc:Card>
             <!--  Settings color scheme  -->
             <cc:Card
                 Title="{DynamicResource ColorScheme}"
@@ -667,9 +720,8 @@
                     DisplayMemberPath="Display"
                     FontSize="14"
                     ItemsSource="{Binding ColorSchemes}"
-                    SelectedValue="{Binding Settings.ColorScheme}"
-                    SelectedValuePath="Value"
-                    SelectionChanged="Selector_OnSelectionChanged" />
+                    SelectedValue="{Binding ColorScheme, Mode=TwoWay}"
+                    SelectedValuePath="Value" />
             </cc:Card>
 
             <!--  Theme folder  -->

Flow.Launcher/SettingPages/Views/SettingsPaneTheme.xaml.cs

@@ -1,4 +1,3 @@
-using System.Windows.Controls;
 using System.Windows.Navigation;
 using CommunityToolkit.Mvvm.DependencyInjection;
 using Flow.Launcher.SettingPages.ViewModels;
@@ -23,9 +22,4 @@ public partial class SettingsPaneTheme : Page
 
         base.OnNavigatedTo(e);
     }
-
-    private void Selector_OnSelectionChanged(object sender, SelectionChangedEventArgs e)
-    {
-        _viewModel.UpdateColorScheme();
-    }
 }

Flow.Launcher/SettingWindow.xaml

@@ -18,6 +18,8 @@
     Loaded="OnLoaded"
     MouseDown="window_MouseDown"
     ResizeMode="CanResize"
+    SnapsToDevicePixels="True"
+    UseLayoutRounding="True"
     StateChanged="Window_StateChanged"
     Top="{Binding SettingWindowTop, Mode=TwoWay}"
     WindowStartupLocation="Manual"
@@ -54,6 +56,7 @@
                     Width="16"
                     Height="16"
                     Margin="10 4 4 4"
+                    RenderOptions.BitmapScalingMode="HighQuality"
                     Source="/Images/app.png" />
                 <TextBlock
                     Grid.Row="0"

Flow.Launcher/SettingWindow.xaml.cs

@@ -4,7 +4,7 @@ using System.Windows.Forms;
 using System.Windows.Input;
 using System.Windows.Interop;
 using CommunityToolkit.Mvvm.DependencyInjection;
-using Flow.Launcher.Helper;
+using Flow.Launcher.Infrastructure;
 using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.Plugin;
 using Flow.Launcher.SettingPages.Views;
@@ -92,13 +92,13 @@ public partial class SettingWindow
     {
         if (WindowState == WindowState.Maximized)
         {
-            MaximizeButton.Visibility = Visibility.Collapsed;
+            MaximizeButton.Visibility = Visibility.Hidden;
             RestoreButton.Visibility = Visibility.Visible;
         }
         else
         {
             MaximizeButton.Visibility = Visibility.Visible;
-            RestoreButton.Visibility = Visibility.Collapsed;
+            RestoreButton.Visibility = Visibility.Hidden;
         }
     }
 
@@ -143,8 +143,8 @@ public partial class SettingWindow
     private double WindowLeft()
     {
         var screen = Screen.FromPoint(System.Windows.Forms.Cursor.Position);
-        var dip1 = WindowsInteropHelper.TransformPixelsToDIP(this, screen.WorkingArea.X, 0);
-        var dip2 = WindowsInteropHelper.TransformPixelsToDIP(this, screen.WorkingArea.Width, 0);
+        var dip1 = Win32Helper.TransformPixelsToDIP(this, screen.WorkingArea.X, 0);
+        var dip2 = Win32Helper.TransformPixelsToDIP(this, screen.WorkingArea.Width, 0);
         var left = (dip2.X - ActualWidth) / 2 + dip1.X;
         return left;
     }
@@ -152,8 +152,8 @@ public partial class SettingWindow
     private double WindowTop()
     {
         var screen = Screen.FromPoint(System.Windows.Forms.Cursor.Position);
-        var dip1 = WindowsInteropHelper.TransformPixelsToDIP(this, 0, screen.WorkingArea.Y);
-        var dip2 = WindowsInteropHelper.TransformPixelsToDIP(this, 0, screen.WorkingArea.Height);
+        var dip1 = Win32Helper.TransformPixelsToDIP(this, 0, screen.WorkingArea.Y);
+        var dip2 = Win32Helper.TransformPixelsToDIP(this, 0, screen.WorkingArea.Height);
         var top = (dip2.Y - ActualHeight) / 2 + dip1.Y - 20;
         return top;
     }

Flow.Launcher/Themes/Base.xaml

@@ -27,7 +27,6 @@
     <Style x:Key="BaseQueryBoxStyle" TargetType="{x:Type TextBox}">
         <Setter Property="BorderThickness" Value="0" />
         <Setter Property="FontSize" Value="28" />
-        <Setter Property="FontWeight" Value="Regular" />
         <Setter Property="Margin" Value="16 7 0 7" />
         <Setter Property="Padding" Value="0 0 68 0" />
         <Setter Property="Background" Value="Transparent" />
@@ -107,7 +106,7 @@
     </Style>
 
     <Style x:Key="BasePendingLineStyle" TargetType="{x:Type Line}">
-        <Setter Property="Stroke" Value="Blue" />
+        <Setter Property="Stroke" Value="{StaticResource SystemAccentColorLight1Brush}" />
     </Style>
 
     <Style x:Key="BaseClockPanelPosition" TargetType="{x:Type Canvas}" />
@@ -165,29 +164,6 @@
         BasedOn="{StaticResource BaseClockPanel}"
         TargetType="{x:Type StackPanel}">
         <Setter Property="Orientation" Value="Vertical" />
-        <Setter Property="Visibility" Value="Collapsed" />
-        <Style.Triggers>
-            <MultiDataTrigger>
-                <MultiDataTrigger.Conditions>
-                    <Condition Binding="{Binding ElementName=QueryTextBox, UpdateSourceTrigger=PropertyChanged, Path=Text.Length}" Value="0" />
-                    <Condition Binding="{Binding ElementName=ContextMenu, Path=Visibility}" Value="Collapsed" />
-                    <Condition Binding="{Binding ElementName=History, Path=Visibility}" Value="Collapsed" />
-                </MultiDataTrigger.Conditions>
-                <Setter Property="Visibility" Value="Visible" />
-                <MultiDataTrigger.EnterActions>
-                    <BeginStoryboard>
-                        <Storyboard>
-                            <DoubleAnimation
-                                Storyboard.TargetProperty="Opacity"
-                                From="0.0"
-                                To="1"
-                                Duration="0:0:0.25" />
-                        </Storyboard>
-                    </BeginStoryboard>
-                </MultiDataTrigger.EnterActions>
-            </MultiDataTrigger>
-        </Style.Triggers>
-
     </Style>
 
     <!--  Item Style  -->
@@ -204,12 +180,10 @@
     <Style x:Key="BaseItemTitleStyle" TargetType="{x:Type TextBlock}">
         <Setter Property="Foreground" Value="#FFFFF8" />
         <Setter Property="FontSize" Value="16" />
-        <Setter Property="FontWeight" Value="Medium" />
     </Style>
     <Style x:Key="BaseItemSubTitleStyle" TargetType="{x:Type TextBlock}">
         <Setter Property="Foreground" Value="#D9D9D4" />
         <Setter Property="FontSize" Value="13" />
-        <Setter Property="FontWeight" Value="Normal" />
         <Style.Triggers>
             <DataTrigger Binding="{Binding ElementName=SubTitle, UpdateSourceTrigger=PropertyChanged, Path=Text.Length}" Value="0">
                 <Setter Property="Height" Value="0" />
@@ -241,7 +215,6 @@
     <Style x:Key="BaseItemTitleSelectedStyle" TargetType="{x:Type TextBlock}">
         <Setter Property="Foreground" Value="#FFFFF8" />
         <Setter Property="FontSize" Value="16" />
-        <Setter Property="FontWeight" Value="Normal" />
     </Style>
     <Style x:Key="BaseItemSubTitleSelectedStyle" TargetType="{x:Type TextBlock}">
         <Setter Property="Foreground" Value="#D9D9D4" />
@@ -378,17 +351,41 @@
         <Setter Property="Inline.FontWeight" Value="Bold" />
     </Style>
     <Style x:Key="BaseItemHotkeyStyle" TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="15" />
+        <Setter Property="FontSize" Value="12" />
         <Setter Property="Foreground" Value="#8f8f8f" />
     </Style>
     <Style x:Key="BaseItemHotkeySelectedStyle" TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="15" />
+        <Setter Property="FontSize" Value="12" />
         <Setter Property="Foreground" Value="#8f8f8f" />
     </Style>
+    <Style x:Key="BaseItemHotkeyBGStyle" TargetType="{x:Type Border}">
+        <Setter Property="Margin" Value="12 0 12 0" />
+        <Setter Property="Padding" Value="6 4 6 4" />
+        <Setter Property="Background" Value="#138A8A8A" />
+        <Setter Property="CornerRadius" Value="4" />
+    </Style>
+    <Style x:Key="BaseItemHotkeyBGSelectedStyle" TargetType="{x:Type Border}">
+        <Setter Property="Margin" Value="12 0 12 0" />
+        <Setter Property="Padding" Value="6 4 6 4" />
+        <Setter Property="CornerRadius" Value="4" />
+        <Setter Property="Background" Value="#138A8A8A" />
+    </Style>
+    <Style
+        x:Key="ItemHotkeyBGStyle"
+        BasedOn="{StaticResource BaseItemHotkeyBGStyle}"
+        TargetType="{x:Type Border}">
+        <Setter Property="Margin" Value="12 0 12 0" />
+        <Setter Property="Padding" Value="6 4 6 4" />
+        <Setter Property="CornerRadius" Value="4" />
+    </Style>
+    <Style
+        x:Key="ItemHotkeyBGSelectedStyle"
+        BasedOn="{StaticResource BaseItemHotkeyBGSelectedStyle}"
+        TargetType="{x:Type Border}" />
 
     <!--  DO NOT USE THIS KEY. this key for themes with wrong typo. This key should be removed. Right key is BaseItemHotkeySelectedStyle.  -->
     <Style x:Key="BaseItemHotkeySelecetedStyle" TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="15" />
+        <Setter Property="FontSize" Value="12" />
         <Setter Property="Foreground" Value="#8f8f8f" />
     </Style>
 
@@ -417,6 +414,7 @@
         <Style.Triggers>
             <MultiDataTrigger>
                 <MultiDataTrigger.Conditions>
+                    <Condition Binding="{Binding ElementName=History, Path=Visibility}" Value="Collapsed" />
                     <Condition Binding="{Binding ElementName=ResultListBox, Path=Items.Count}" Value="0" />
                 </MultiDataTrigger.Conditions>
                 <MultiDataTrigger.Setters>
@@ -458,12 +456,12 @@
             </DataTrigger>
         </Style.Triggers>
     </Style>
+
     <Style
         x:Key="PreviewBorderStyle"
         BasedOn="{StaticResource BasePreviewBorderStyle}"
         TargetType="{x:Type Border}">
         <Setter Property="BorderBrush" Value="Gray" />
-
     </Style>
 
     <Style x:Key="PreviewArea" TargetType="{x:Type Grid}">
@@ -473,8 +471,8 @@
                 <MultiDataTrigger.Conditions>
                     <!--
                     <Condition Binding="{Binding ElementName=ResultListBox, Path=Visibility}" Value="Collapsed" />
-                    <Condition Binding="{Binding ElementName=ContextMenu, Path=Visibility}" Value="Collapsed" />
-                    <Condition Binding="{Binding ElementName=History, Path=Visibility}" Value="Collapsed" />-->
+                    <Condition Binding="{Binding ElementName=ContextMenu, Path=Visibility}" Value="Collapsed" />-->
+                    <Condition Binding="{Binding ElementName=History, Path=Visibility}" Value="Collapsed" />
                     <Condition Binding="{Binding ElementName=ResultListBox, Path=Items.Count}" Value="0" />
                 </MultiDataTrigger.Conditions>
                 <MultiDataTrigger.Setters>
@@ -514,7 +512,6 @@
         x:Key="ItemHotkeyStyle"
         BasedOn="{StaticResource BaseItemHotkeyStyle}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="15" />
         <Setter Property="Foreground" Value="#8f8f8f" />
         <Setter Property="Opacity" Value="0.5" />
     </Style>
@@ -522,7 +519,6 @@
         x:Key="ItemHotkeySelectedStyle"
         BasedOn="{StaticResource BaseItemHotkeySelectedStyle}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="15" />
         <Setter Property="Foreground" Value="#8f8f8f" />
         <Setter Property="Opacity" Value="0.5" />
     </Style>
@@ -557,6 +553,14 @@
         <Setter Property="TextWrapping" Value="Wrap" />
     </Style>
 
+    <Style x:Key="PreviewWindowBorderStyle" TargetType="{x:Type Border}">
+        <Setter Property="BorderThickness" Value="0" />
+        <Setter Property="Background" Value="#2F2F2F" />
+        <Setter Property="Padding" Value="0 0 0 0" />
+        <Setter Property="CornerRadius" Value="5" />
+        <Setter Property="UseLayoutRounding" Value="True" />
+        <Setter Property="SnapsToDevicePixels" Value="True" />
+    </Style>
     <!--  Style for old version themes  -->
     <Style
         x:Key="PreviewItemTitleStyle"

Flow.Launcher/Themes/BlurBlack Darker.xaml

@@ -12,6 +12,10 @@
     </ResourceDictionary.MergedDictionaries>
 
     <system:Boolean x:Key="ThemeBlurEnabled">True</system:Boolean>
+    <system:String x:Key="SystemBG">Dark</system:String>
+    <Color x:Key="LightBG">#C7000000</Color>
+    <Color x:Key="DarkBG">#C7000000</Color>
+    <Thickness x:Key="ResultMargin">0 0 0 8</Thickness>
 
     <Style x:Key="WindowRadius" TargetType="{x:Type Border}">
         <Setter Property="CornerRadius" Value="0" />
@@ -51,7 +55,6 @@
             </Setter.Value>
         </Setter>
     </Style>
-
     <Style
         x:Key="SeparatorStyle"
         BasedOn="{StaticResource BaseSeparatorStyle}"
@@ -139,17 +142,21 @@
         BasedOn="{StaticResource BaseSearchIconStyle}"
         TargetType="{x:Type Path}">
         <Setter Property="Fill" Value="#ffffff" />
-        <Setter Property="Width" Value="32" />
-        <Setter Property="Height" Value="32" />
+        <Setter Property="Width" Value="30" />
+        <Setter Property="Height" Value="30" />
         <Setter Property="Opacity" Value="0.2" />
     </Style>
-    <Style x:Key="ItemHotkeyStyle" TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="14" />
+    <Style
+        x:Key="ItemHotkeyStyle"
+        BasedOn="{StaticResource BaseItemHotkeyStyle}"
+        TargetType="{x:Type TextBlock}">
         <Setter Property="Foreground" Value="#ffffff" />
         <Setter Property="Opacity" Value="0.2" />
     </Style>
-    <Style x:Key="ItemHotkeySelectedStyle" TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="14" />
+    <Style
+        x:Key="ItemHotkeySelectedStyle"
+        BasedOn="{StaticResource BaseItemHotkeySelectedStyle}"
+        TargetType="{x:Type TextBlock}">
         <Setter Property="Foreground" Value="#ffffff" />
         <Setter Property="Opacity" Value="0.2" />
     </Style>

Flow.Launcher/Themes/BlurBlack.xaml

@@ -10,8 +10,12 @@
     <ResourceDictionary.MergedDictionaries>
         <ResourceDictionary Source="pack://application:,,,/Themes/Base.xaml" />
     </ResourceDictionary.MergedDictionaries>
-
     <system:Boolean x:Key="ThemeBlurEnabled">True</system:Boolean>
+    <system:String x:Key="SystemBG">Dark</system:String>
+    <Color x:Key="LightBG">#B0000000</Color>
+    <Color x:Key="DarkBG">#B6000000</Color>
+    <Thickness x:Key="ResultMargin">0 0 0 8</Thickness>
+
     <Style x:Key="WindowRadius" TargetType="{x:Type Border}">
         <Setter Property="CornerRadius" Value="0" />
     </Style>
@@ -135,17 +139,21 @@
         BasedOn="{StaticResource BaseSearchIconStyle}"
         TargetType="{x:Type Path}">
         <Setter Property="Fill" Value="#ffffff" />
-        <Setter Property="Width" Value="32" />
-        <Setter Property="Height" Value="32" />
+        <Setter Property="Width" Value="30" />
+        <Setter Property="Height" Value="30" />
         <Setter Property="Opacity" Value="0.5" />
     </Style>
-    <Style x:Key="ItemHotkeyStyle" TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="14" />
+    <Style
+        x:Key="ItemHotkeyStyle"
+        BasedOn="{StaticResource BaseItemHotkeyStyle}"
+        TargetType="{x:Type TextBlock}">
         <Setter Property="Foreground" Value="#ffffff" />
         <Setter Property="Opacity" Value="0.5" />
     </Style>
-    <Style x:Key="ItemHotkeySelectedStyle" TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="14" />
+    <Style
+        x:Key="ItemHotkeySelectedStyle"
+        BasedOn="{StaticResource BaseItemHotkeySelectedStyle}"
+        TargetType="{x:Type TextBlock}">
         <Setter Property="Foreground" Value="#ffffff" />
         <Setter Property="Opacity" Value="0.5" />
     </Style>

Flow.Launcher/Themes/BlurWhite.xaml

@@ -10,14 +10,26 @@
     <ResourceDictionary.MergedDictionaries>
         <ResourceDictionary Source="pack://application:,,,/Themes/Base.xaml" />
     </ResourceDictionary.MergedDictionaries>
-
     <system:Boolean x:Key="ThemeBlurEnabled">True</system:Boolean>
+    <system:String x:Key="SystemBG">Light</system:String>
+    <Color x:Key="LightBG">#BFFAFAFA</Color>
+    <Color x:Key="DarkBG">#BFFAFAFA</Color>
+    <Thickness x:Key="ResultMargin">0 0 0 8</Thickness>
+    
     <Style
         x:Key="ItemGlyph"
         BasedOn="{StaticResource BaseGlyphStyle}"
         TargetType="{x:Type TextBlock}">
         <Setter Property="Foreground" Value="#FF000000" />
     </Style>
+    <Style x:Key="ItemGlyphSelectedStyle" TargetType="{x:Type TextBlock}">
+        <Setter Property="Foreground" Value="#FF000000" />
+        <Setter Property="VerticalAlignment" Value="Center" />
+        <Setter Property="HorizontalAlignment" Value="Center" />
+        <Setter Property="Width" Value="25" />
+        <Setter Property="Height" Value="25" />
+        <Setter Property="FontSize" Value="25" />
+    </Style>
     <Style x:Key="WindowRadius" TargetType="{x:Type Border}">
         <Setter Property="CornerRadius" Value="0" />
     </Style>
@@ -33,7 +45,9 @@
     <Style
         x:Key="QuerySuggestionBoxStyle"
         BasedOn="{StaticResource BaseQuerySuggestionBoxStyle}"
-        TargetType="{x:Type TextBox}" />
+        TargetType="{x:Type TextBox}">
+        <Setter Property="Foreground" Value="#39000000" />
+    </Style>
 
     <Style
         x:Key="WindowBorderStyle"
@@ -76,7 +90,7 @@
         x:Key="ItemSubTitleStyle"
         BasedOn="{StaticResource BaseItemSubTitleStyle}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="#818181" />
+        <Setter Property="Foreground" Value="#85000000" />
     </Style>
     <Style
         x:Key="ItemTitleSelectedStyle"
@@ -88,18 +102,18 @@
         x:Key="ItemSubTitleSelectedStyle"
         BasedOn="{StaticResource BaseItemSubTitleSelectedStyle}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="#72767d" />
+        <Setter Property="Foreground" Value="#85000000" />
     </Style>
     <SolidColorBrush
         x:Key="ItemSelectedBackgroundColor"
-        Opacity="0.5"
-        Color="#ccd0d4" />
+        Opacity="0.6"
+        Color="#33000000" />
 
     <Style
         x:Key="SeparatorStyle"
         BasedOn="{StaticResource BaseSeparatorStyle}"
         TargetType="{x:Type Rectangle}">
-        <Setter Property="Fill" Value="#c6c6c6" />
+        <Setter Property="Fill" Value="#22000000" />
         <Setter Property="Height" Value="1" />
         <Setter Property="Margin" Value="12 0 12 8" />
     </Style>
@@ -112,7 +126,7 @@
             <Setter.Value>
                 <ControlTemplate TargetType="{x:Type Thumb}">
                     <Border
-                        Background="#bebebe"
+                        Background="#3C000000"
                         BorderBrush="Transparent"
                         BorderThickness="0"
                         CornerRadius="2"
@@ -132,17 +146,21 @@
         BasedOn="{StaticResource BaseSearchIconStyle}"
         TargetType="{x:Type Path}">
         <Setter Property="Fill" Value="#000000" />
-        <Setter Property="Width" Value="32" />
-        <Setter Property="Height" Value="32" />
+        <Setter Property="Width" Value="30" />
+        <Setter Property="Height" Value="30" />
         <Setter Property="Opacity" Value="0.2" />
     </Style>
-    <Style x:Key="ItemHotkeyStyle" TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="14" />
+    <Style
+        x:Key="ItemHotkeyStyle"
+        BasedOn="{StaticResource BaseItemHotkeyStyle}"
+        TargetType="{x:Type TextBlock}">
         <Setter Property="Foreground" Value="#000000" />
         <Setter Property="Opacity" Value="0.2" />
     </Style>
-    <Style x:Key="ItemHotkeySelectedStyle" TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="14" />
+    <Style
+        x:Key="ItemHotkeySelectedStyle"
+        BasedOn="{StaticResource BaseItemHotkeySelectedStyle}"
+        TargetType="{x:Type TextBlock}">
         <Setter Property="Foreground" Value="#000000" />
         <Setter Property="Opacity" Value="0.2" />
     </Style>

Flow.Launcher/Themes/Circle System.xaml

@@ -1,7 +1,7 @@
 <!--
     Name: Circle
     IsDark: True
-    HasBlur: False
+    HasBlur: True
 -->
 <ResourceDictionary
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
@@ -12,6 +12,10 @@
     <ResourceDictionary.MergedDictionaries>
         <ResourceDictionary Source="pack://application:,,,/Themes/Base.xaml" />
     </ResourceDictionary.MergedDictionaries>
+    <system:Boolean x:Key="ThemeBlurEnabled">True</system:Boolean>
+    <system:String x:Key="SystemBG">Auto</system:String>
+    <Color x:Key="LightBG">#E5E6E6E6</Color>
+    <Color x:Key="DarkBG">#DF1F1F1F</Color>
     <Style
         x:Key="ItemGlyph"
         BasedOn="{StaticResource BaseGlyphStyle}"
@@ -22,8 +26,8 @@
         x:Key="QueryBoxStyle"
         BasedOn="{StaticResource BaseQueryBoxStyle}"
         TargetType="{x:Type TextBox}">
-        <Setter Property="Padding" Value="0 4 50 0" />
-        <Setter Property="Foreground" Value="{m:DynamicColor SystemControlPageTextBaseHighBrush}" />
+        <Setter Property="Padding" Value="0 0 50 0" />
+        <Setter Property="Foreground" Value="{m:DynamicColor SystemControlHighlightBaseHighBrush}" />
         <Setter Property="FontSize" Value="18" />
         <Setter Property="Height" Value="38" />
     </Style>
@@ -32,7 +36,7 @@
         x:Key="QuerySuggestionBoxStyle"
         BasedOn="{StaticResource BaseQuerySuggestionBoxStyle}"
         TargetType="{x:Type TextBox}">
-        <Setter Property="Padding" Value="0 4 50 0" />
+        <Setter Property="Padding" Value="0 0 50 0" />
         <Setter Property="Background" Value="Transparent" />
         <Setter Property="Height" Value="38" />
         <Setter Property="FontSize" Value="18" />
@@ -75,7 +79,7 @@
         x:Key="SeparatorStyle"
         BasedOn="{StaticResource BaseSeparatorStyle}"
         TargetType="{x:Type Rectangle}">
-        <Setter Property="Fill" Value="{m:DynamicColor SystemControlBackgroundChromeMediumBrush}" />
+        <Setter Property="Fill" Value="{DynamicResource SeparatorForeground}" />
         <Setter Property="Height" Value="1" />
         <Setter Property="Margin" Value="0 0 0 8" />
     </Style>

Flow.Launcher/Themes/Cyan Dark.xaml

@@ -33,7 +33,7 @@
         x:Key="QueryBoxStyle"
         BasedOn="{StaticResource BaseQueryBoxStyle}"
         TargetType="{x:Type TextBox}">
-        <Setter Property="Padding" Value="0,4,50,0" />
+        <Setter Property="Padding" Value="0,0,50,0" />
         <Setter Property="CaretBrush" Value="#336766" />
         <Setter Property="Foreground" Value="#e7e9eb" />
         <Setter Property="FontSize" Value="18" />
@@ -44,7 +44,7 @@
         x:Key="QuerySuggestionBoxStyle"
         BasedOn="{StaticResource BaseQuerySuggestionBoxStyle}"
         TargetType="{x:Type TextBox}">
-        <Setter Property="Padding" Value="0,4,50,0" />
+        <Setter Property="Padding" Value="0,0,50,0" />
         <Setter Property="Background" Value="Transparent" />
         <Setter Property="Height" Value="38" />
         <Setter Property="FontSize" Value="18" />
@@ -56,7 +56,7 @@
         BasedOn="{StaticResource BaseWindowBorderStyle}"
         TargetType="{x:Type Border}">
         <Setter Property="BorderThickness" Value="1" />
-        <Setter Property="BorderBrush" Value="#09181e" />
+        <Setter Property="BorderBrush" Value="#1e292f" />
         <Setter Property="Background" Value="#0f1f26" />
         <Setter Property="CornerRadius" Value="6" />
         <Setter Property="UseLayoutRounding" Value="True" />

Flow.Launcher/Themes/Darker Glass.xaml

@@ -1,58 +1,57 @@
+<!--
+    Name: Rider
+    IsDark: False
+    HasBlur: False
+-->
 <ResourceDictionary
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:system="clr-namespace:System;assembly=mscorlib">
+
     <ResourceDictionary.MergedDictionaries>
         <ResourceDictionary Source="pack://application:,,,/Themes/Base.xaml" />
     </ResourceDictionary.MergedDictionaries>
-    <Thickness x:Key="ResultMargin">0 0 0 8</Thickness>
     <Style
         x:Key="ItemGlyph"
         BasedOn="{StaticResource BaseGlyphStyle}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="#ebebeb" />
+        <Setter Property="Foreground" Value="#dfe1e5" />
     </Style>
     <Style
         x:Key="QueryBoxStyle"
         BasedOn="{StaticResource BaseQueryBoxStyle}"
         TargetType="{x:Type TextBox}">
-        <Setter Property="Foreground" Value="#ebebeb" />
-        <Setter Property="Background" Value="Transparent" />
+        <Setter Property="Padding" Value="0 0 50 0" />
+        <Setter Property="Foreground" Value="#dfe1e5" />
+        <Setter Property="FontSize" Value="18" />
+        <Setter Property="Height" Value="38" />
     </Style>
 
     <Style
         x:Key="QuerySuggestionBoxStyle"
         BasedOn="{StaticResource BaseQuerySuggestionBoxStyle}"
         TargetType="{x:Type TextBox}">
-        <Setter Property="Foreground" Value="#ebebeb" />
-        <Setter Property="Opacity" Value="0.2" />
+        <Setter Property="Padding" Value="0 0 50 0" />
+        <Setter Property="Background" Value="Transparent" />
+        <Setter Property="Height" Value="38" />
+        <Setter Property="FontSize" Value="18" />
+        <Setter Property="Foreground" Value="#24DFE1E5" />
     </Style>
 
     <Style
         x:Key="WindowBorderStyle"
         BasedOn="{StaticResource BaseWindowBorderStyle}"
         TargetType="{x:Type Border}">
-        <Setter Property="CornerRadius" Value="5" />
-        <Setter Property="BorderThickness" Value="1,1,0,0" />
-        <Setter Property="BorderBrush" Value="#666666" />
-        <Setter Property="Background">
-            <Setter.Value>
-                <SolidColorBrush Opacity="0.95" Color="#333333" />
-            </Setter.Value>
-        </Setter>
+        <Setter Property="BorderThickness" Value="1" />
+        <Setter Property="BorderBrush" Value="#393b40" />
+        <Setter Property="Background" Value="#2b2d30" />
+        <Setter Property="CornerRadius" Value="8" />
+        <Setter Property="UseLayoutRounding" Value="True" />
     </Style>
-
     <Style
         x:Key="WindowStyle"
         BasedOn="{StaticResource BaseWindowStyle}"
-        TargetType="{x:Type Window}">
-        <Setter Property="Background">
-            <Setter.Value>
-                <SolidColorBrush Opacity="0.5" Color="White" />
-            </Setter.Value>
-        </Setter>
-    </Style>
-
+        TargetType="{x:Type Window}" />
     <Style
         x:Key="PendingLineStyle"
         BasedOn="{StaticResource BasePendingLineStyle}"
@@ -63,27 +62,36 @@
         x:Key="ItemTitleStyle"
         BasedOn="{StaticResource BaseItemTitleStyle}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="#ebebeb" />
+        <Setter Property="Foreground" Value="#dfe1e5" />
     </Style>
     <Style
         x:Key="ItemSubTitleStyle"
         BasedOn="{StaticResource BaseItemSubTitleStyle}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="#787878" />
+        <Setter Property="Foreground" Value="#6f737a" />
     </Style>
+    <Style
+        x:Key="SeparatorStyle"
+        BasedOn="{StaticResource BaseSeparatorStyle}"
+        TargetType="{x:Type Rectangle}">
+        <Setter Property="Fill" Value="#393b40" />
+        <Setter Property="Height" Value="1" />
+        <Setter Property="Margin" Value="0 0 0 8" />
+    </Style>
+    <Style x:Key="HighlightStyle" />
     <Style
         x:Key="ItemTitleSelectedStyle"
         BasedOn="{StaticResource BaseItemTitleSelectedStyle}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="#ffffff" />
+        <Setter Property="Foreground" Value="#dfe1e5" />
     </Style>
     <Style
         x:Key="ItemSubTitleSelectedStyle"
         BasedOn="{StaticResource BaseItemSubTitleSelectedStyle}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="#949494" />
+        <Setter Property="Foreground" Value="#dfe1e5" />
     </Style>
-    <SolidColorBrush x:Key="ItemSelectedBackgroundColor">#545454</SolidColorBrush>
+    <SolidColorBrush x:Key="ItemSelectedBackgroundColor">#2e436e</SolidColorBrush>
 
     <!--  button style in the middle of the scrollbar  -->
     <Style
@@ -94,7 +102,7 @@
             <Setter.Value>
                 <ControlTemplate TargetType="{x:Type Thumb}">
                     <Border
-                        Background="#525252"
+                        Background="#393b40"
                         BorderBrush="Transparent"
                         BorderThickness="0"
                         CornerRadius="2"
@@ -106,69 +114,83 @@
     <Style
         x:Key="ScrollBarStyle"
         BasedOn="{StaticResource BaseScrollBarStyle}"
-        TargetType="{x:Type ScrollBar}">
-        <Setter Property="Background" Value="#a0a0a0" />
-    </Style>
+        TargetType="{x:Type ScrollBar}" />
     <Style
         x:Key="SearchIconStyle"
         BasedOn="{StaticResource BaseSearchIconStyle}"
         TargetType="{x:Type Path}">
-        <Setter Property="Fill" Value="#FFFFFF" />
+        <Setter Property="Fill" Value="#6f737a" />
+        <Setter Property="Width" Value="24" />
+        <Setter Property="Height" Value="24" />
+    </Style>
+    <Style x:Key="SearchIconPosition" TargetType="{x:Type Canvas}">
+        <Setter Property="Background" Value="#2b2d30" />
         <Setter Property="Width" Value="32" />
         <Setter Property="Height" Value="32" />
-        <Setter Property="Opacity" Value="0.2" />
-    </Style>
-    <Style
-        x:Key="SeparatorStyle"
-        BasedOn="{StaticResource BaseSeparatorStyle}"
-        TargetType="{x:Type Rectangle}">
-        <Setter Property="Fill" Value="#474747" />
-        <Setter Property="Height" Value="1" />
-        <Setter Property="Margin" Value="0,0,0,8" />
+        <Setter Property="Margin" Value="0 8 8 0" />
+        <Setter Property="HorizontalAlignment" Value="Right" />
     </Style>
+
     <Style x:Key="ItemHotkeyStyle" TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="14" />
-        <Setter Property="Foreground" Value="#787878" />
+        <Setter Property="FontSize" Value="12" />
+        <Setter Property="Foreground" Value="#6f737a" />
     </Style>
     <Style x:Key="ItemHotkeySelectedStyle" TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="14" />
-        <Setter Property="Foreground" Value="#787878" />
+        <Setter Property="FontSize" Value="12" />
+        <Setter Property="Foreground" Value="#6f737a" />
+    </Style>
+    <Style x:Key="ItemGlyphSelectedStyle" TargetType="{x:Type TextBlock}">
+        <Setter Property="Foreground" Value="#dfe1e5" />
+        <Setter Property="VerticalAlignment" Value="Center" />
+        <Setter Property="HorizontalAlignment" Value="Center" />
+        <Setter Property="Width" Value="25" />
+        <Setter Property="Height" Value="25" />
+        <Setter Property="FontSize" Value="25" />
+    </Style>
+    <CornerRadius x:Key="ItemRadius">8</CornerRadius>
+    <Thickness x:Key="ItemMargin">10 0 10 0</Thickness>
+    <Thickness x:Key="ResultMargin">0 0 0 10</Thickness>
+    <Style
+        x:Key="ClockPanel"
+        BasedOn="{StaticResource BaseClockPanel}"
+        TargetType="{x:Type StackPanel}">
+        <Setter Property="Margin" Value="0 0 54 0" />
     </Style>
     <Style
         x:Key="ClockBox"
         BasedOn="{StaticResource BaseClockBox}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="#787878" />
+        <Setter Property="Foreground" Value="#6f737a" />
     </Style>
     <Style
         x:Key="DateBox"
         BasedOn="{StaticResource BaseDateBox}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="#787878" />
+        <Setter Property="Foreground" Value="#6f737a" />
     </Style>
     <Style
         x:Key="PreviewBorderStyle"
         BasedOn="{StaticResource BasePreviewBorderStyle}"
         TargetType="{x:Type Border}">
-        <Setter Property="BorderBrush" Value="#474747" />
+        <Setter Property="Margin" Value="0 0 10 8" />
+        <Setter Property="BorderBrush" Value="#393b40" />
     </Style>
-
     <Style
         x:Key="PreviewItemTitleStyle"
         BasedOn="{StaticResource BasePreviewItemTitleStyle}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="#ebebeb" />
+        <Setter Property="Foreground" Value="#6f737a" />
     </Style>
     <Style
         x:Key="PreviewItemSubTitleStyle"
         BasedOn="{StaticResource BasePreviewItemSubTitleStyle}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="#787878" />
+        <Setter Property="Foreground" Value="#6f737a" />
     </Style>
     <Style
         x:Key="PreviewGlyph"
         BasedOn="{StaticResource BasePreviewGlyph}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="#ebebeb" />
+        <Setter Property="Foreground" Value="#dfe1e5" />
     </Style>
-</ResourceDictionary>
+</ResourceDictionary>

Flow.Launcher/Themes/Darker.xaml

@@ -29,7 +29,9 @@
     <Style
         x:Key="WindowBorderStyle"
         BasedOn="{StaticResource BaseWindowBorderStyle}"
-        TargetType="{x:Type Border}" />
+        TargetType="{x:Type Border}">
+        <Setter Property="Background" Value="#2F2F2F" />
+    </Style>
 
     <Style
         x:Key="WindowStyle"
@@ -89,7 +91,7 @@
         TargetType="{x:Type Rectangle}">
         <Setter Property="Fill" Value="#3b3b3b" />
         <Setter Property="Height" Value="1" />
-        <Setter Property="Margin" Value="8,0,8,8" />
+        <Setter Property="Margin" Value="8 0 8 8" />
     </Style>
     <Style
         x:Key="PreviewBorderStyle"

Flow.Launcher/Themes/Discord Dark.xaml

@@ -21,26 +21,25 @@
         <Setter Property="SelectionBrush" Value="#0a68d8" />
         <Setter Property="Height" Value="42" />
         <Setter Property="FontSize" Value="24" />
-        <Setter Property="Padding" Value="0,0,66,0" />
+        <Setter Property="Padding" Value="0 0 66 0" />
     </Style>
     <Style
         x:Key="QuerySuggestionBoxStyle"
         BasedOn="{StaticResource BaseQuerySuggestionBoxStyle}"
         TargetType="{x:Type TextBox}">
         <Setter Property="Foreground" Value="#72767d" />
-        <Setter Property="Background" Value="#36393f" />
         <Setter Property="Height" Value="42" />
         <Setter Property="FontSize" Value="24" />
-        <Setter Property="Padding" Value="0,0,66,0" />
+        <Setter Property="Padding" Value="0 0 66 0" />
     </Style>
     <Style
         x:Key="WindowBorderStyle"
         BasedOn="{StaticResource BaseWindowBorderStyle}"
         TargetType="{x:Type Border}">
         <Setter Property="BorderThickness" Value="2" />
-        <Setter Property="BorderBrush" Value="#2f3136" />
+        <Setter Property="BorderBrush" Value="#3a3a41" />
         <Setter Property="CornerRadius" Value="4" />
-        <Setter Property="Background" Value="#36393f" />
+        <Setter Property="Background" Value="#2e2e34" />
     </Style>
     <Style
         x:Key="WindowStyle"
@@ -91,23 +90,25 @@
         <Setter Property="Cursor" Value="Arrow" />
         <Setter Property="Foreground" Value="#72767d" />
     </Style>
-    <SolidColorBrush x:Key="ItemSelectedBackgroundColor">#49443c</SolidColorBrush>
+    <SolidColorBrush x:Key="ItemSelectedBackgroundColor">#36363d</SolidColorBrush>
     <Style
         x:Key="ItemImageSelectedStyle"
         BasedOn="{StaticResource BaseItemImageSelectedStyle}"
         TargetType="{x:Type Image}">
         <Setter Property="Cursor" Value="Arrow" />
     </Style>
-    <Style x:Key="HighlightStyle">
-        <Setter Property="Inline.FontWeight" Value="Bold" />
-    </Style>
-    <Style x:Key="ItemHotkeyStyle" TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="15" />
+    <Style x:Key="HighlightStyle" />
+    <Style
+        x:Key="ItemHotkeyStyle"
+        BasedOn="{StaticResource BaseItemHotkeyStyle}"
+        TargetType="{x:Type TextBlock}">
         <Setter Property="Foreground" Value="#72767d" />
         <Setter Property="Opacity" Value="0.8" />
     </Style>
-    <Style x:Key="ItemHotkeySelectedStyle" TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="15" />
+    <Style
+        x:Key="ItemHotkeySelectedStyle"
+        BasedOn="{StaticResource BaseItemHotkeySelectedStyle}"
+        TargetType="{x:Type TextBlock}">
         <Setter Property="Foreground" Value="#72767d" />
         <Setter Property="Opacity" Value="0.8" />
     </Style>
@@ -124,7 +125,7 @@
             <Setter.Value>
                 <ControlTemplate TargetType="{x:Type Thumb}">
                     <Border
-                        Background="#202225"
+                        Background="#787881"
                         BorderBrush="Transparent"
                         BorderThickness="0"
                         CornerRadius="2"
@@ -141,9 +142,9 @@
         x:Key="SeparatorStyle"
         BasedOn="{StaticResource BaseSeparatorStyle}"
         TargetType="{x:Type Rectangle}">
-        <Setter Property="Fill" Value="#42454a" />
+        <Setter Property="Fill" Value="#3a3a41" />
         <Setter Property="Height" Value="1" />
-        <Setter Property="Margin" Value="12,0,12,6" />
+        <Setter Property="Margin" Value="0 0 0 0" />
     </Style>
     <Style
         x:Key="SearchIconStyle"
@@ -170,6 +171,7 @@
         BasedOn="{StaticResource BasePreviewBorderStyle}"
         TargetType="{x:Type Border}">
         <Setter Property="BorderBrush" Value="#42454a" />
+        <Setter Property="Margin" Value="0 0 0 0" />
     </Style>
     <Style
         x:Key="PreviewItemTitleStyle"

Flow.Launcher/Themes/Dracula.xaml

@@ -21,7 +21,7 @@
         <Setter Property="Foreground" Value="#f8f8f2" />
         <Setter Property="CaretBrush" Value="#ffb86c" />
         <Setter Property="FontSize" Value="26" />
-        <Setter Property="Padding" Value="0,4,66,0" />
+        <Setter Property="Padding" Value="0,0,66,0" />
         <Setter Property="Height" Value="42" />
     </Style>
     <Style
@@ -30,7 +30,7 @@
         TargetType="{x:Type TextBox}">
         <Setter Property="Foreground" Value="#6272a4" />
         <Setter Property="FontSize" Value="26" />
-        <Setter Property="Padding" Value="0,4,66,0" />
+        <Setter Property="Padding" Value="0,0,66,0" />
         <Setter Property="Height" Value="42" />
     </Style>
     <Style

Flow.Launcher/Themes/League.xaml

@@ -11,7 +11,7 @@
         TargetType="{x:Type TextBox}">
         <Setter Property="Foreground" Value="#b88f3a" />
         <Setter Property="CaretBrush" Value="#b88f3a" />
-        <Setter Property="Padding" Value="0,0,66,0" />
+        <Setter Property="Padding" Value="0 0 66 0" />
         <Setter Property="Height" Value="42" />
     </Style>
     <Style
@@ -24,9 +24,8 @@
         x:Key="QuerySuggestionBoxStyle"
         BasedOn="{StaticResource BaseQuerySuggestionBoxStyle}"
         TargetType="{x:Type TextBox}">
-        <Setter Property="Background" Value="#161614" />
         <Setter Property="Foreground" Value="#a09b8c" />
-        <Setter Property="Padding" Value="0,0,66,0" />
+        <Setter Property="Padding" Value="0 0 66 0" />
         <Setter Property="Height" Value="42" />
     </Style>
 
@@ -57,7 +56,7 @@
         TargetType="{x:Type Rectangle}">
         <Setter Property="Fill" Value="#785a28" />
         <Setter Property="Height" Value="1" />
-        <Setter Property="Margin" Value="0,0,0,0" />
+        <Setter Property="Margin" Value="0 0 0 0" />
     </Style>
     <Style
         x:Key="ItemTitleStyle"
@@ -111,12 +110,16 @@
     <Style x:Key="HighlightStyle">
         <Setter Property="Inline.FontWeight" Value="Bold" />
     </Style>
-    <Style x:Key="ItemHotkeyStyle" TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="15" />
+    <Style
+        x:Key="ItemHotkeyStyle"
+        BasedOn="{StaticResource BaseItemHotkeyStyle}"
+        TargetType="{x:Type TextBlock}">
         <Setter Property="Foreground" Value="#5b5a56" />
     </Style>
-    <Style x:Key="ItemHotkeySelectedStyle" TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="15" />
+    <Style
+        x:Key="ItemHotkeySelectedStyle"
+        BasedOn="{StaticResource BaseItemHotkeySelectedStyle}"
+        TargetType="{x:Type TextBlock}">
         <Setter Property="Foreground" Value="#5b5a56" />
     </Style>
     <Geometry x:Key="SearchIconImg">F1 M12000,12000z M0,0z M10354,10962C10326,10951 10279,10927 10249,10907 10216,10886 9476,10153 8370,9046 7366,8042 6541,7220 6536,7220 6532,7220 6498,7242 6461,7268 6213,7447 5883,7619 5592,7721 5194,7860 4802,7919 4360,7906 3612,7886 2953,7647 2340,7174 2131,7013 1832,6699 1664,6465 1394,6088 1188,5618 1097,5170 1044,4909 1030,4764 1030,4470 1030,4130 1056,3914 1135,3609 1263,3110 1511,2633 1850,2235 1936,2134 2162,1911 2260,1829 2781,1395 3422,1120 4090,1045 4271,1025 4667,1025 4848,1045 5505,1120 6100,1368 6630,1789 6774,1903 7081,2215 7186,2355 7362,2588 7467,2759 7579,2990 7802,3455 7911,3937 7911,4460 7911,4854 7861,5165 7737,5542 7684,5702 7675,5724 7602,5885 7517,6071 7390,6292 7270,6460 7242,6499 7220,6533 7220,6538 7220,6542 8046,7371 9055,8380 10441,9766 10898,10229 10924,10274 10945,10308 10966,10364 10976,10408 10990,10472 10991,10493 10980,10554 10952,10717 10840,10865 10690,10937 10621,10971 10607,10974 10510,10977 10425,10980 10395,10977 10354,10962z M4685,7050C5214,7001 5694,6809 6100,6484 6209,6396 6396,6209 6484,6100 7151,5267 7246,4110 6721,3190 6369,2571 5798,2137 5100,1956 4706,1855 4222,1855 3830,1957 3448,2056 3140,2210 2838,2453 2337,2855 2010,3427 1908,4080 1877,4274 1877,4656 1908,4850 1948,5105 2028,5370 2133,5590 2459,6272 3077,6782 3810,6973 3967,7014 4085,7034 4290,7053 4371,7061 4583,7059 4685,7050z</Geometry>
@@ -141,7 +144,7 @@
         x:Key="PreviewBorderStyle"
         BasedOn="{StaticResource BasePreviewBorderStyle}"
         TargetType="{x:Type Border}">
-        <Setter Property="Margin" Value="0,0,10,0" />
+        <Setter Property="Margin" Value="0 0 10 0" />
         <Setter Property="BorderBrush" Value="#785a28" />
     </Style>
     <Style

Flow.Launcher/Themes/Midnight.xaml

@@ -16,7 +16,7 @@
         x:Key="QueryBoxStyle"
         BasedOn="{StaticResource BaseQueryBoxStyle}"
         TargetType="{x:Type TextBox}">
-        <Setter Property="Padding" Value="0,4,50,0" />
+        <Setter Property="Padding" Value="0 0 50 0" />
         <Setter Property="Foreground" Value="#fbfdff" />
         <Setter Property="FontSize" Value="18" />
         <Setter Property="Height" Value="38" />
@@ -26,7 +26,7 @@
         x:Key="QuerySuggestionBoxStyle"
         BasedOn="{StaticResource BaseQuerySuggestionBoxStyle}"
         TargetType="{x:Type TextBox}">
-        <Setter Property="Padding" Value="0,4,50,0" />
+        <Setter Property="Padding" Value="0 0 50 0" />
         <Setter Property="Background" Value="Transparent" />
         <Setter Property="Height" Value="38" />
         <Setter Property="FontSize" Value="18" />
@@ -38,7 +38,7 @@
         BasedOn="{StaticResource BaseWindowBorderStyle}"
         TargetType="{x:Type Border}">
         <Setter Property="BorderThickness" Value="1" />
-        <Setter Property="BorderBrush" Value="#111828" />
+        <Setter Property="BorderBrush" Value="#202938" />
         <Setter Property="Background" Value="#111828" />
         <Setter Property="CornerRadius" Value="8" />
         <Setter Property="UseLayoutRounding" Value="True" />
@@ -71,7 +71,7 @@
         TargetType="{x:Type Rectangle}">
         <Setter Property="Fill" Value="#202938" />
         <Setter Property="Height" Value="1" />
-        <Setter Property="Margin" Value="0,0,0,8" />
+        <Setter Property="Margin" Value="0 0 0 8" />
     </Style>
     <Style x:Key="HighlightStyle" />
     <Style
@@ -122,7 +122,7 @@
         <Setter Property="Background" Value="#111828" />
         <Setter Property="Width" Value="32" />
         <Setter Property="Height" Value="32" />
-        <Setter Property="Margin" Value="0,8,8,0" />
+        <Setter Property="Margin" Value="0 8 8 0" />
         <Setter Property="HorizontalAlignment" Value="Right" />
     </Style>
 
@@ -149,7 +149,7 @@
         x:Key="ClockPanel"
         BasedOn="{StaticResource ClockPanel}"
         TargetType="{x:Type StackPanel}">
-        <Setter Property="Margin" Value="0,0,54,0" />
+        <Setter Property="Margin" Value="0 0 54 0" />
     </Style>
     <Style
         x:Key="ClockBox"
@@ -167,7 +167,7 @@
         x:Key="PreviewBorderStyle"
         BasedOn="{StaticResource BasePreviewBorderStyle}"
         TargetType="{x:Type Border}">
-        <Setter Property="Margin" Value="0,0,10,8" />
+        <Setter Property="Margin" Value="0 0 10 8" />
         <Setter Property="BorderBrush" Value="#202938" />
     </Style>
     <Style

Flow.Launcher/Themes/Nord Darker.xaml

@@ -40,7 +40,7 @@
         TargetType="{x:Type Rectangle}">
         <Setter Property="Fill" Value="#4c566a" />
         <Setter Property="Height" Value="1" />
-        <Setter Property="Margin" Value="12,0,12,8" />
+        <Setter Property="Margin" Value="12 0 12 8" />
     </Style>
     <Style
         x:Key="WindowStyle"
@@ -116,12 +116,16 @@
         <Setter Property="Width" Value="32" />
         <Setter Property="Height" Value="32" />
     </Style>
-    <Style x:Key="ItemHotkeyStyle" TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="15" />
+    <Style
+        x:Key="ItemHotkeyStyle"
+        BasedOn="{StaticResource BaseItemHotkeyStyle}"
+        TargetType="{x:Type TextBlock}">
         <Setter Property="Foreground" Value="#8391AB" />
     </Style>
-    <Style x:Key="ItemHotkeySelectedStyle" TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="15" />
+    <Style
+        x:Key="ItemHotkeySelectedStyle"
+        BasedOn="{StaticResource BaseItemHotkeySelectedStyle}"
+        TargetType="{x:Type TextBlock}">
         <Setter Property="Foreground" Value="#8391AB" />
     </Style>
     <Style

Flow.Launcher/Themes/Pink.xaml

@@ -2,46 +2,44 @@
     <ResourceDictionary.MergedDictionaries>
         <ResourceDictionary Source="pack://application:,,,/Themes/Base.xaml" />
     </ResourceDictionary.MergedDictionaries>
-    <Thickness x:Key="ResultMargin">0 0 0 0</Thickness>
+    <Thickness x:Key="ResultMargin">0 0 0 4</Thickness>
     <Style
         x:Key="ItemGlyph"
         BasedOn="{StaticResource BaseGlyphStyle}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="#0e172c" />
+        <Setter Property="Foreground" Value="#ffffff" />
     </Style>
     <Style
         x:Key="QueryBoxStyle"
         BasedOn="{StaticResource BaseQueryBoxStyle}"
         TargetType="{x:Type TextBox}">
-        <Setter Property="Foreground" Value="#0E172C" />
-        <Setter Property="CaretBrush" Value="#0E172C" />
-        <Setter Property="SelectionBrush" Value="#a786df" />
+        <Setter Property="Foreground" Value="#cc1081" />
+        <Setter Property="CaretBrush" Value="#cc1081" />
+        <Setter Property="SelectionBrush" Value="#e564b1" />
     </Style>
 
     <Style
         x:Key="QuerySuggestionBoxStyle"
         BasedOn="{StaticResource BaseQuerySuggestionBoxStyle}"
         TargetType="{x:Type TextBox}">
-        <Setter Property="Background" Value="Transparent" />
-        <Setter Property="Foreground" Value="#E9819F" />
+        <Setter Property="Foreground" Value="#71114b" />
     </Style>
 
     <Style
         x:Key="WindowBorderStyle"
         BasedOn="{StaticResource BaseWindowBorderStyle}"
         TargetType="{x:Type Border}">
-        <Setter Property="CornerRadius" Value="8" />
-        <Setter Property="Background" Value="#fec7d7" />
-        <Setter Property="BorderThickness" Value="3" />
-        <Setter Property="BorderBrush" Value="#0e172c" />
+        <Setter Property="Background" Value="#1f1d1f" />
+        <Setter Property="BorderThickness" Value="2" />
+        <Setter Property="BorderBrush" Value="#000000" />
     </Style>
     <Style
         x:Key="SeparatorStyle"
         BasedOn="{StaticResource BaseSeparatorStyle}"
         TargetType="{x:Type Rectangle}">
-        <Setter Property="Fill" Value="#0e172c" />
-        <Setter Property="Height" Value="3" />
-        <Setter Property="Margin" Value="0 0 0 0" />
+        <Setter Property="Fill" Value="#000000" />
+        <Setter Property="Height" Value="1" />
+        <Setter Property="Margin" Value="12 0 12 4" />
     </Style>
     <Style
         x:Key="WindowStyle"
@@ -51,33 +49,34 @@
         x:Key="PendingLineStyle"
         BasedOn="{StaticResource BasePendingLineStyle}"
         TargetType="{x:Type Line}">
-        <Setter Property="Stroke" Value="#a786df" />
+        <Setter Property="Stroke" Value="#cc1081" />
     </Style>
     <Style
         x:Key="ItemTitleStyle"
         BasedOn="{StaticResource BaseItemTitleStyle}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="#0e172c" />
+        <Setter Property="Foreground" Value="#f5f5f5" />
     </Style>
     <Style
         x:Key="ItemSubTitleStyle"
         BasedOn="{StaticResource BaseItemSubTitleStyle}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="#0e172c" />
+        <Setter Property="Foreground" Value="#c2c2c2" />
+        <Setter Property="Opacity" Value="0.5" />
     </Style>
     <Style
         x:Key="ItemTitleSelectedStyle"
         BasedOn="{StaticResource BaseItemTitleSelectedStyle}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="#fffffe" />
+        <Setter Property="Foreground" Value="#f5f5f5" />
     </Style>
     <Style
         x:Key="ItemSubTitleSelectedStyle"
         BasedOn="{StaticResource BaseItemSubTitleSelectedStyle}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="#fffffe" />
+        <Setter Property="Foreground" Value="#ed92c9" />
     </Style>
-    <SolidColorBrush x:Key="ItemSelectedBackgroundColor">#0e172c</SolidColorBrush>
+    <SolidColorBrush x:Key="ItemSelectedBackgroundColor">#cc1081</SolidColorBrush>
     <Style
         x:Key="ThumbStyle"
         BasedOn="{StaticResource BaseThumbStyle}"
@@ -86,7 +85,7 @@
             <Setter.Value>
                 <ControlTemplate TargetType="{x:Type Thumb}">
                     <Border
-                        Background="#E9819F"
+                        Background="#e564b1"
                         BorderBrush="Transparent"
                         BorderThickness="0"
                         CornerRadius="2"
@@ -109,56 +108,57 @@
         <Setter Property="HorizontalAlignment" Value="Right" />
     </Style>
     <Style x:Key="SearchIconStyle" TargetType="{x:Type Path}">
-        <Setter Property="Fill" Value="#E9819F" />
+        <Setter Property="Fill" Value="#cc1081" />
         <Setter Property="Width" Value="28" />
         <Setter Property="Height" Value="28" />
     </Style>
-    <Style x:Key="ItemHotkeyStyle" TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="11" />
-        <Setter Property="Foreground" Value="#E9819F" />
+    <Style
+        x:Key="ItemHotkeyStyle"
+        BasedOn="{StaticResource BaseItemHotkeyStyle}"
+        TargetType="{x:Type TextBlock}">
+        <Setter Property="Foreground" Value="#ed92c9" />
     </Style>
-    <Style x:Key="ItemHotkeySelectedStyle" TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="11" />
-        <Setter Property="Foreground" Value="#E9819F" />
+    <Style
+        x:Key="ItemHotkeySelectedStyle"
+        BasedOn="{StaticResource BaseItemHotkeySelectedStyle}"
+        TargetType="{x:Type TextBlock}">
+        <Setter Property="Foreground" Value="#ed92c9" />
     </Style>
     <Style
         x:Key="ClockBox"
         BasedOn="{StaticResource BaseClockBox}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="#E9819F" />
+        <Setter Property="Foreground" Value="#71114b" />
     </Style>
     <Style
         x:Key="DateBox"
         BasedOn="{StaticResource BaseDateBox}"
         TargetType="{x:Type TextBlock}">
         <Setter Property="FontWeight" Value="Bold" />
-        <Setter Property="Foreground" Value="#E9819F" />
+        <Setter Property="Foreground" Value="#71114b" />
     </Style>
     <Style
         x:Key="PreviewBorderStyle"
         BasedOn="{StaticResource BasePreviewBorderStyle}"
         TargetType="{x:Type Border}">
-        <Setter Property="Margin" Value="0 0 10 0" />
-        <Setter Property="Width" Value="5" />
-        <Setter Property="BorderThickness" Value="3 0 0 0" />
-        <Setter Property="BorderBrush" Value="#0e172c" />
+        <Setter Property="BorderBrush" Value="#000000" />
     </Style>
     <Style
         x:Key="PreviewItemTitleStyle"
         BasedOn="{StaticResource BasePreviewItemTitleStyle}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="#0E172C" />
+        <Setter Property="Foreground" Value="#f5f5f5" />
     </Style>
     <Style
         x:Key="PreviewItemSubTitleStyle"
         BasedOn="{StaticResource BasePreviewItemSubTitleStyle}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="#0E172C" />
+        <Setter Property="Foreground" Value="#c2c2c2" />
     </Style>
     <Style
         x:Key="PreviewGlyph"
         BasedOn="{StaticResource BasePreviewGlyph}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="#0E172C" />
+        <Setter Property="Foreground" Value="#ffffff" />
     </Style>
 </ResourceDictionary>

Flow.Launcher/Themes/SlimLight.xaml

@@ -27,7 +27,7 @@
         x:Key="QueryBoxStyle"
         BasedOn="{StaticResource BaseQueryBoxStyle}"
         TargetType="{x:Type TextBox}">
-        <Setter Property="Padding" Value="0,2,42,0" />
+        <Setter Property="Padding" Value="0,0,42,0" />
         <Setter Property="Foreground" Value="#282728" />
         <Setter Property="FontSize" Value="16" />
         <Setter Property="Height" Value="24" />
@@ -37,7 +37,7 @@
         x:Key="QuerySuggestionBoxStyle"
         BasedOn="{StaticResource BaseQuerySuggestionBoxStyle}"
         TargetType="{x:Type TextBox}">
-        <Setter Property="Padding" Value="0,2,42,0" />
+        <Setter Property="Padding" Value="0,0,42,0" />
         <Setter Property="Background" Value="Transparent" />
         <Setter Property="Height" Value="24" />
         <Setter Property="FontSize" Value="16" />

Flow.Launcher/Themes/Sublime.xaml

@@ -21,7 +21,7 @@
         <Setter Property="CaretBrush" Value="#FFAA47" />
         <Setter Property="FontSize" Value="26" />
         <Setter Property="Height" Value="42" />
-        <Setter Property="Padding" Value="0,4,66,0" />
+        <Setter Property="Padding" Value="0,0,66,0" />
     </Style>
     <Style
         x:Key="QuerySuggestionBoxStyle"
@@ -30,7 +30,7 @@
         <Setter Property="Foreground" Value="#798189" />
         <Setter Property="FontSize" Value="26" />
         <Setter Property="Height" Value="42" />
-        <Setter Property="Padding" Value="0,4,66,0" />
+        <Setter Property="Padding" Value="0,0,66,0" />
     </Style>
     <Style
         x:Key="WindowBorderStyle"

Flow.Launcher/Themes/Ubuntu.xaml

@@ -32,7 +32,7 @@
         x:Key="QueryBoxStyle"
         BasedOn="{StaticResource BaseQueryBoxStyle}"
         TargetType="{x:Type TextBox}">
-        <Setter Property="Padding" Value="0,4,50,0" />
+        <Setter Property="Padding" Value="0 0 50 0" />
         <Setter Property="CaretBrush" Value="#fa7941" />
         <Setter Property="Foreground" Value="#ffffff" />
         <Setter Property="FontSize" Value="18" />
@@ -43,7 +43,7 @@
         x:Key="QuerySuggestionBoxStyle"
         BasedOn="{StaticResource BaseQuerySuggestionBoxStyle}"
         TargetType="{x:Type TextBox}">
-        <Setter Property="Padding" Value="0,4,50,0" />
+        <Setter Property="Padding" Value="0 0 50 0" />
         <Setter Property="Background" Value="Transparent" />
         <Setter Property="Height" Value="38" />
         <Setter Property="FontSize" Value="18" />
@@ -56,15 +56,7 @@
         TargetType="{x:Type Border}">
         <Setter Property="BorderThickness" Value="0" />
         <Setter Property="BorderBrush" Value="#e2e2e2" />
-        <Setter Property="Background">
-            <Setter.Value>
-                <LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
-                    <GradientStop Offset="0.0" Color="#383838" />
-                    <GradientStop Offset="0.9" Color="#2e2e2e" />
-                    <GradientStop Offset="1.0" Color="#2e2e2e" />
-                </LinearGradientBrush>
-            </Setter.Value>
-        </Setter>
+        <Setter Property="Background" Value="#2e2e2e" />
         <Setter Property="CornerRadius" Value="8" />
         <Setter Property="UseLayoutRounding" Value="True" />
     </Style>
@@ -96,7 +88,7 @@
         TargetType="{x:Type Rectangle}">
         <Setter Property="Fill" Value="#3b3b3b" />
         <Setter Property="Height" Value="1" />
-        <Setter Property="Margin" Value="0,0,0,8" />
+        <Setter Property="Margin" Value="0 0 0 8" />
     </Style>
     <Style x:Key="HighlightStyle" />
     <Style
@@ -147,7 +139,7 @@
         <Setter Property="Background" Value="Transparent" />
         <Setter Property="Width" Value="32" />
         <Setter Property="Height" Value="32" />
-        <Setter Property="Margin" Value="0,8,8,0" />
+        <Setter Property="Margin" Value="0 8 8 0" />
         <Setter Property="HorizontalAlignment" Value="Right" />
     </Style>
 
@@ -174,7 +166,7 @@
         x:Key="ClockPanel"
         BasedOn="{StaticResource ClockPanel}"
         TargetType="{x:Type StackPanel}">
-        <Setter Property="Margin" Value="0,0,54,2" />
+        <Setter Property="Margin" Value="0 0 54 2" />
     </Style>
     <Style
         x:Key="ClockBox"

Flow.Launcher/Themes/Win10System.xaml

@@ -11,6 +11,10 @@
     <ResourceDictionary.MergedDictionaries>
         <ResourceDictionary Source="pack://application:,,,/Themes/Base.xaml" />
     </ResourceDictionary.MergedDictionaries>
+    <system:Boolean x:Key="ThemeBlurEnabled">False</system:Boolean>
+    <system:String x:Key="SystemBG">Auto</system:String>
+    <Color x:Key="LightBG">#FFFAFAFA</Color>
+    <Color x:Key="DarkBG">#FF202020</Color>
     <Thickness x:Key="ResultMargin">0 0 0 8</Thickness>
     <Style
         x:Key="ItemGlyph"
@@ -32,7 +36,7 @@
         <Setter Property="FontSize" Value="22" />
         <Setter Property="Foreground" Value="{DynamicResource Color05B}" />
         <Setter Property="CaretBrush" Value="{DynamicResource Color05B}" />
-        <Setter Property="Padding" Value="0 4 66 0" />
+        <Setter Property="Padding" Value="0 0 66 0" />
         <Setter Property="Height" Value="42" />
     </Style>
     <Style
@@ -41,7 +45,7 @@
         TargetType="{x:Type TextBox}">
         <Setter Property="Foreground" Value="{DynamicResource QuerySuggestionBoxForeground}" />
         <Setter Property="FontSize" Value="22" />
-        <Setter Property="Padding" Value="0 4 66 0" />
+        <Setter Property="Padding" Value="0 0 66 0" />
         <Setter Property="Height" Value="42" />
     </Style>
     <Style
@@ -109,15 +113,18 @@
     <Style x:Key="HighlightStyle">
         <Setter Property="Inline.FontWeight" Value="SemiBold" />
     </Style>
-    <Style x:Key="ItemHotkeyStyle" TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="13" />
+    <Style
+        x:Key="ItemHotkeyStyle"
+        BasedOn="{StaticResource BaseItemHotkeyStyle}"
+        TargetType="{x:Type TextBlock}">
+        <Setter Property="FontSize" Value="11" />
         <Setter Property="Foreground" Value="{DynamicResource HotkeyForeground}" />
     </Style>
     <Style
         x:Key="ItemHotkeySelectedStyle"
         BasedOn="{StaticResource BaseItemHotkeySelectedStyle}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="13" />
+        <Setter Property="FontSize" Value="11" />
         <Setter Property="Foreground" Value="{DynamicResource HotkeySelectedForeground}" />
     </Style>
     <!--  button style in the middle of the scrollbar  -->
@@ -175,13 +182,13 @@
         x:Key="ClockBox"
         BasedOn="{StaticResource BaseClockBox}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="{DynamicResource ClockDateForeground}" />
+        <Setter Property="Foreground" Value="{DynamicResource SystemControlBackgroundBaseLowBrush}" />
     </Style>
     <Style
         x:Key="DateBox"
         BasedOn="{StaticResource BaseDateBox}"
         TargetType="{x:Type TextBlock}">
-        <Setter Property="Foreground" Value="{DynamicResource ClockDateForeground}" />
+        <Setter Property="Foreground" Value="{DynamicResource SystemControlBackgroundBaseLowBrush}" />
     </Style>
     <Style
         x:Key="PreviewBorderStyle"

Flow.Launcher/Themes/Win11Light.xaml

@@ -1,7 +1,7 @@
 <!--
     Name: Windows 11
     IsDark: True
-    HasBlur: False
+    HasBlur: True
 -->
 <ResourceDictionary
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
@@ -12,6 +12,10 @@
     <ResourceDictionary.MergedDictionaries>
         <ResourceDictionary Source="pack://application:,,,/Themes/Base.xaml" />
     </ResourceDictionary.MergedDictionaries>
+    <system:Boolean x:Key="ThemeBlurEnabled">True</system:Boolean>
+    <system:String x:Key="SystemBG">Auto</system:String>
+    <Color x:Key="LightBG">#BFFAFAFA</Color>
+    <Color x:Key="DarkBG">#DD202020</Color>
     <Style
         x:Key="BulletStyle"
         BasedOn="{StaticResource BaseBulletStyle}"
@@ -152,13 +156,26 @@
     </Style>
 
     <Style x:Key="ItemHotkeyStyle" TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="12" />
-        <Setter Property="Foreground" Value="{DynamicResource HotkeyForeground}" />
+        <Setter Property="FontSize" Value="11" />
+        <Setter Property="Foreground" Value="{DynamicResource NewHotkeyForeground}" />
     </Style>
     <Style x:Key="ItemHotkeySelectedStyle" TargetType="{x:Type TextBlock}">
-        <Setter Property="FontSize" Value="12" />
-        <Setter Property="Foreground" Value="{DynamicResource HotkeySelectedForeground}" />
+        <Setter Property="FontSize" Value="11" />
+        <Setter Property="Foreground" Value="{DynamicResource NewHotkeyForeground}" />
     </Style>
+    <Style
+        x:Key="ItemHotkeyBGStyle"
+        BasedOn="{StaticResource BaseItemHotkeyBGStyle}"
+        TargetType="{x:Type Border}">
+        <Setter Property="Background" Value="{DynamicResource BasicHotkeyBGColor}" />
+    </Style>
+    <Style
+        x:Key="ItemHotkeyBGSelectedStyle"
+        BasedOn="{StaticResource BaseItemHotkeyBGSelectedStyle}"
+        TargetType="{x:Type Border}">
+        <Setter Property="Background" Value="{DynamicResource BasicHotkeyBGColor}" />
+    </Style>
+
     <Style x:Key="ItemGlyphSelectedStyle" TargetType="{x:Type TextBlock}">
         <Setter Property="Foreground" Value="{DynamicResource Color05B}" />
         <Setter Property="VerticalAlignment" Value="Center" />

Flow.Launcher/ViewModel/PluginViewModel.cs

@@ -1,12 +1,12 @@
 using System.Linq;
+using System.Threading.Tasks;
 using System.Windows;
-using System.Windows.Media;
-using Flow.Launcher.Plugin;
-using Flow.Launcher.Infrastructure.Image;
-using Flow.Launcher.Core.Plugin;
 using System.Windows.Controls;
+using System.Windows.Media;
 using CommunityToolkit.Mvvm.Input;
-using Flow.Launcher.Core.Resource;
+using Flow.Launcher.Core.Plugin;
+using Flow.Launcher.Infrastructure.Image;
+using Flow.Launcher.Plugin;
 using Flow.Launcher.Resources.Controls;
 
 namespace Flow.Launcher.ViewModel
@@ -28,7 +28,7 @@ namespace Flow.Launcher.ViewModel
             }
         }
 
-        private string PluginManagerActionKeyword
+        private static string PluginManagerActionKeyword
         {
             get
             {
@@ -43,10 +43,10 @@ namespace Flow.Launcher.ViewModel
             }
         }
 
-
-        private async void LoadIconAsync()
+        private async Task LoadIconAsync()
         {
             Image = await ImageLoader.LoadAsync(PluginPair.Metadata.IcoPath);
+            OnPropertyChanged(nameof(Image));
         }
 
         public ImageSource Image
@@ -54,12 +54,13 @@ namespace Flow.Launcher.ViewModel
             get
             {
                 if (_image == ImageLoader.MissingImage)
-                    LoadIconAsync();
+                    _ = LoadIconAsync();
 
                 return _image;
             }
             set => _image = value;
         }
+
         public bool PluginState
         {
             get => !PluginPair.Metadata.Disabled;
@@ -69,6 +70,7 @@ namespace Flow.Launcher.ViewModel
                 PluginSettingsObject.Disabled = !value;
             }
         }
+
         public bool IsExpanded
         {
             get => _isExpanded;
@@ -81,6 +83,16 @@ namespace Flow.Launcher.ViewModel
             }
         }
 
+        public SearchDelayTime? PluginSearchDelayTime
+        {
+            get => PluginPair.Metadata.SearchDelayTime;
+            set
+            {
+                PluginPair.Metadata.SearchDelayTime = value;
+                PluginSettingsObject.SearchDelayTime = value;
+            }
+        }
+
         private Control _settingControl;
         private bool _isExpanded;
 
@@ -88,9 +100,13 @@ namespace Flow.Launcher.ViewModel
         public Control BottomPart1 => IsExpanded ? _bottomPart1 ??= new InstalledPluginDisplayKeyword() : null;
 
         private Control _bottomPart2;
-        public Control BottomPart2 => IsExpanded ? _bottomPart2 ??= new InstalledPluginDisplayBottomData() : null;
+        public Control BottomPart2 => IsExpanded ? _bottomPart2 ??= new InstalledPluginSearchDelay() : null;
 
-        public bool HasSettingControl => PluginPair.Plugin is ISettingProvider && (PluginPair.Plugin is not JsonRPCPluginBase jsonRPCPluginBase || jsonRPCPluginBase.NeedCreateSettingPanel());
+        private Control _bottomPart3;
+        public Control BottomPart3 => IsExpanded ? _bottomPart3 ??= new InstalledPluginDisplayBottomData() : null;
+
+        public bool HasSettingControl => PluginPair.Plugin is ISettingProvider &&
+            (PluginPair.Plugin is not JsonRPCPluginBase jsonRPCPluginBase || jsonRPCPluginBase.NeedCreateSettingPanel());
         public Control SettingControl
             => IsExpanded
                 ? _settingControl
@@ -100,21 +116,33 @@ namespace Flow.Launcher.ViewModel
                 : null;
         private ImageSource _image = ImageLoader.MissingImage;
 
-        public Visibility ActionKeywordsVisibility => PluginPair.Metadata.ActionKeywords.Count == 1 ? Visibility.Visible : Visibility.Collapsed;
-        public string InitilizaTime => PluginPair.Metadata.InitTime + "ms";
+        public Visibility ActionKeywordsVisibility => PluginPair.Metadata.HideActionKeywordPanel ?
+            Visibility.Collapsed : Visibility.Visible;
+        public string InitializeTime => PluginPair.Metadata.InitTime + "ms";
         public string QueryTime => PluginPair.Metadata.AvgQueryTime + "ms";
-        public string Version => InternationalizationManager.Instance.GetTranslation("plugin_query_version") + " " + PluginPair.Metadata.Version;
-        public string InitAndQueryTime => InternationalizationManager.Instance.GetTranslation("plugin_init_time") + " " + PluginPair.Metadata.InitTime + "ms, " + InternationalizationManager.Instance.GetTranslation("plugin_query_time") + " " + PluginPair.Metadata.AvgQueryTime + "ms";
+        public string Version => App.API.GetTranslation("plugin_query_version") + " " + PluginPair.Metadata.Version;
+        public string InitAndQueryTime =>
+            App.API.GetTranslation("plugin_init_time") + " " +
+            PluginPair.Metadata.InitTime + "ms, " +
+            App.API.GetTranslation("plugin_query_time") + " " +
+            PluginPair.Metadata.AvgQueryTime + "ms";
         public string ActionKeywordsText => string.Join(Query.ActionKeywordSeparator, PluginPair.Metadata.ActionKeywords);
         public int Priority => PluginPair.Metadata.Priority;
-        public Infrastructure.UserSettings.Plugin PluginSettingsObject { get; set; }
+        public string SearchDelayTimeText => PluginPair.Metadata.SearchDelayTime == null ?
+            App.API.GetTranslation("default") :
+            App.API.GetTranslation($"SearchDelayTime{PluginPair.Metadata.SearchDelayTime}");
+        public Infrastructure.UserSettings.Plugin PluginSettingsObject{ get; init; }
 
-        public void ChangeActionKeyword(string newActionKeyword, string oldActionKeyword)
+        public void OnActionKeywordsChanged()
         {
-            PluginManager.ReplaceActionKeyword(PluginPair.Metadata.ID, oldActionKeyword, newActionKeyword);
             OnPropertyChanged(nameof(ActionKeywordsText));
         }
 
+        public void OnSearchDelayTimeChanged()
+        {
+            OnPropertyChanged(nameof(SearchDelayTimeText));
+        }
+
         public void ChangePriority(int newPriority)
         {
             PluginPair.Metadata.Priority = newPriority;
@@ -125,7 +153,7 @@ namespace Flow.Launcher.ViewModel
         [RelayCommand]
         private void EditPluginPriority()
         {
-            PriorityChangeWindow priorityChangeWindow = new PriorityChangeWindow(PluginPair. Metadata.ID, this);
+            var priorityChangeWindow = new PriorityChangeWindow(PluginPair. Metadata.ID, this);
             priorityChangeWindow.ShowDialog();
         }
 
@@ -150,13 +178,18 @@ namespace Flow.Launcher.ViewModel
             App.API.ShowMainWindow();
         }
 
-        public static bool IsActionKeywordRegistered(string newActionKeyword) => PluginManager.ActionKeywordRegistered(newActionKeyword);
-
         [RelayCommand]
         private void SetActionKeywords()
         {
-            ActionKeywords changeKeywordsWindow = new ActionKeywords(this);
+            var changeKeywordsWindow = new ActionKeywords(this);
             changeKeywordsWindow.ShowDialog();
         }
+
+        [RelayCommand]
+        private void SetSearchDelayTime()
+        {
+            var searchDelayTimeWindow = new SearchDelayTimeWindow(this);
+            searchDelayTimeWindow.ShowDialog();
+        }
     }
 }

Flow.Launcher/ViewModel/ResultViewModel.cs

@@ -1,4 +1,7 @@
 using System;
+using System.Collections.Generic;
+using System.Drawing.Text;
+using System.IO;
 using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Media;
@@ -6,25 +9,20 @@ using Flow.Launcher.Infrastructure.Image;
 using Flow.Launcher.Infrastructure.Logger;
 using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.Plugin;
-using System.IO;
-using System.Drawing.Text;
-using System.Collections.Generic;
 
 namespace Flow.Launcher.ViewModel
 {
     public class ResultViewModel : BaseModel
     {
-        private static PrivateFontCollection fontCollection = new();
-        private static Dictionary<string, string> fonts = new();
+        private static readonly PrivateFontCollection FontCollection = new();
+        private static readonly Dictionary<string, string> Fonts = new();
 
         public ResultViewModel(Result result, Settings settings)
         {
             Settings = settings;
 
-            if (result == null)
-            {
-                return;
-            }
+            if (result == null) return;
+
             Result = result;
 
             if (Result.Glyph is { FontFamily: not null } glyph)
@@ -39,20 +37,20 @@ namespace Flow.Launcher.ViewModel
                         fontFamilyPath = Path.Combine(Result.PluginDirectory, fontFamilyPath);
                     }
 
-                    if (fonts.ContainsKey(fontFamilyPath))
+                    if (Fonts.TryGetValue(fontFamilyPath, out var value))
                     {
                         Glyph = glyph with
                         {
-                            FontFamily = fonts[fontFamilyPath]
+                            FontFamily = value
                         };
                     }
                     else
                     {
-                        fontCollection.AddFontFile(fontFamilyPath);
-                        fonts[fontFamilyPath] = $"{Path.GetDirectoryName(fontFamilyPath)}/#{fontCollection.Families[^1].Name}";
+                        FontCollection.AddFontFile(fontFamilyPath);
+                        Fonts[fontFamilyPath] = $"{Path.GetDirectoryName(fontFamilyPath)}/#{FontCollection.Families[^1].Name}";
                         Glyph = glyph with
                         {
-                            FontFamily = fonts[fontFamilyPath]
+                            FontFamily = Fonts[fontFamilyPath]
                         };
                     }
                 }
@@ -61,7 +59,6 @@ namespace Flow.Launcher.ViewModel
                     Glyph = glyph;
                 }
             }
-
         }
 
         public Settings Settings { get; }
@@ -95,14 +92,10 @@ namespace Flow.Launcher.ViewModel
             get
             {
                 if (PreviewImageAvailable)
-                {
                     return Visibility.Visible;
-                }
-                else
-                {
-                    // Fall back to icon
-                    return ShowIcon;
-                }
+                
+                // Fall back to icon
+                return ShowIcon;
             }
         }
 
@@ -111,9 +104,8 @@ namespace Flow.Launcher.ViewModel
             get
             {
                 if (Result.RoundedIcon)
-                {
                     return IconXY / 2;
-                }
+                
                 return IconXY;
             }
 
@@ -148,31 +140,40 @@ namespace Flow.Launcher.ViewModel
             ? Result.SubTitle
             : Result.SubTitleToolTip;
 
-        private volatile bool ImageLoaded;
-        private volatile bool PreviewImageLoaded;
+        private volatile bool _imageLoaded;
+        private volatile bool _previewImageLoaded;
 
-        private ImageSource image = ImageLoader.LoadingImage;
-        private ImageSource previewImage = ImageLoader.LoadingImage;
+        private ImageSource _image = ImageLoader.LoadingImage;
+        private ImageSource _previewImage = ImageLoader.LoadingImage;
 
         public ImageSource Image
         {
             get
             {
-                if (!ImageLoaded)
+                if (!_imageLoaded)
                 {
-                    ImageLoaded = true;
+                    _imageLoaded = true;
                     _ = LoadImageAsync();
                 }
 
-                return image;
+                return _image;
             }
-            private set => image = value;
+            private set => _image = value;
         }
 
         public ImageSource PreviewImage
         {
-            get => previewImage;
-            private set => previewImage = value;
+            get
+            {
+                if (!_previewImageLoaded)
+                {
+                    _previewImageLoaded = true;
+                    _ = LoadPreviewImageAsync();
+                }
+
+                return _previewImage;
+            }
+            private set => _previewImage = value;
         }
 
         /// <summary>
@@ -188,8 +189,7 @@ namespace Flow.Launcher.ViewModel
             {
                 try
                 {
-                    var image = icon();
-                    return image;
+                    return icon();
                 }
                 catch (Exception e)
                 {
@@ -208,7 +208,7 @@ namespace Flow.Launcher.ViewModel
             var iconDelegate = Result.Icon;
             if (ImageLoader.TryGetValue(imagePath, false, out ImageSource img))
             {
-                image = img;
+                _image = img;
             }
             else
             {
@@ -223,7 +223,7 @@ namespace Flow.Launcher.ViewModel
             var iconDelegate = Result.Preview.PreviewDelegate ?? Result.Icon;
             if (ImageLoader.TryGetValue(imagePath, true, out ImageSource img))
             {
-                previewImage = img;
+                _previewImage = img;
             }
             else
             {
@@ -234,13 +234,10 @@ namespace Flow.Launcher.ViewModel
 
         public void LoadPreviewImage()
         {
-            if (ShowDefaultPreview == Visibility.Visible)
+            if (ShowDefaultPreview == Visibility.Visible && !_previewImageLoaded && ShowPreviewImage == Visibility.Visible)
             {
-                if (!PreviewImageLoaded && ShowPreviewImage == Visibility.Visible)
-                {
-                    PreviewImageLoaded = true;
-                    _ = LoadPreviewImageAsync();
-                }
+                _previewImageLoaded = true;
+                _ = LoadPreviewImageAsync();
             }
         }