Merge branch 'dev' into processkiller_orderby_windowtitle

.github/dependabot.yml

@@ -8,7 +8,8 @@ updates:
   - package-ecosystem: "nuget" # See documentation for possible values
     directory: "/" # Location of package manifests
     schedule:
-      interval: "weekly"
+      interval: "daily"
+    open-pull-requests-limit: 3
     ignore:
       - dependency-name: "squirrel-windows"
     reviewers:

Flow.Launcher.Core/Configuration/Portable.cs

@@ -9,11 +9,15 @@ using Flow.Launcher.Infrastructure.Logger;
 using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.Plugin.SharedCommands;
 using System.Linq;
+using CommunityToolkit.Mvvm.DependencyInjection;
+using Flow.Launcher.Plugin;
 
 namespace Flow.Launcher.Core.Configuration
 {
     public class Portable : IPortable
     {
+        private readonly IPublicAPI API = Ioc.Default.GetRequiredService<IPublicAPI>();
+
         /// <summary>
         /// As at Squirrel.Windows version 1.5.2, UpdateManager needs to be disposed after finish
         /// </summary>
@@ -40,7 +44,7 @@ namespace Flow.Launcher.Core.Configuration
 #endif
                 IndicateDeletion(DataLocation.PortableDataPath);
 
-                MessageBoxEx.Show("Flow Launcher needs to restart to finish disabling portable mode, " +
+                API.ShowMsgBox("Flow Launcher needs to restart to finish disabling portable mode, " +
                     "after the restart your portable data profile will be deleted and roaming data profile kept");
 
                 UpdateManager.RestartApp(Constant.ApplicationFileName);
@@ -64,7 +68,7 @@ namespace Flow.Launcher.Core.Configuration
 #endif
                 IndicateDeletion(DataLocation.RoamingDataPath);
 
-                MessageBoxEx.Show("Flow Launcher needs to restart to finish enabling portable mode, " +
+                API.ShowMsgBox("Flow Launcher needs to restart to finish enabling portable mode, " +
                     "after the restart your roaming data profile will be deleted and portable data profile kept");
 
                 UpdateManager.RestartApp(Constant.ApplicationFileName);
@@ -95,13 +99,13 @@ namespace Flow.Launcher.Core.Configuration
 
         public void MoveUserDataFolder(string fromLocation, string toLocation)
         {
-            FilesFolders.CopyAll(fromLocation, toLocation, MessageBoxEx.Show);
+            FilesFolders.CopyAll(fromLocation, toLocation, (s) => API.ShowMsgBox(s));
             VerifyUserDataAfterMove(fromLocation, toLocation);
         }
 
         public void VerifyUserDataAfterMove(string fromLocation, string toLocation)
         {
-            FilesFolders.VerifyBothFolderFilesEqual(fromLocation, toLocation, MessageBoxEx.Show);
+            FilesFolders.VerifyBothFolderFilesEqual(fromLocation, toLocation, (s) => API.ShowMsgBox(s));
         }
 
         public void CreateShortcuts()
@@ -157,13 +161,13 @@ namespace Flow.Launcher.Core.Configuration
             // delete it and prompt the user to pick the portable data location
             if (File.Exists(roamingDataDeleteFilePath))
             {
-                FilesFolders.RemoveFolderIfExists(roamingDataDir, MessageBoxEx.Show);
+                FilesFolders.RemoveFolderIfExists(roamingDataDir, (s) => API.ShowMsgBox(s));
 
-                if (MessageBoxEx.Show("Flow Launcher has detected you enabled portable mode, " +
+                if (API.ShowMsgBox("Flow Launcher has detected you enabled portable mode, " +
                                     "would you like to move it to a different location?", string.Empty,
                                     MessageBoxButton.YesNo) == MessageBoxResult.Yes)
                 {
-                    FilesFolders.OpenPath(Constant.RootDirectory, MessageBoxEx.Show);
+                    FilesFolders.OpenPath(Constant.RootDirectory, (s) => API.ShowMsgBox(s));
 
                     Environment.Exit(0);
                 }
@@ -172,9 +176,9 @@ namespace Flow.Launcher.Core.Configuration
             // delete it and notify the user about it.
             else if (File.Exists(portableDataDeleteFilePath))
             {
-                FilesFolders.RemoveFolderIfExists(portableDataDir, MessageBoxEx.Show);
+                FilesFolders.RemoveFolderIfExists(portableDataDir, (s) => API.ShowMsgBox(s));
 
-                MessageBoxEx.Show("Flow Launcher has detected you disabled portable mode, " +
+                API.ShowMsgBox("Flow Launcher has detected you disabled portable mode, " +
                                     "the relevant shortcuts and uninstaller entry have been created");
             }
         }
@@ -186,7 +190,7 @@ namespace Flow.Launcher.Core.Configuration
 
             if (roamingLocationExists && portableLocationExists)
             {
-                MessageBoxEx.Show(string.Format("Flow Launcher detected your user data exists both in {0} and " +
+                API.ShowMsgBox(string.Format("Flow Launcher detected your user data exists both in {0} and " +
                                     "{1}. {2}{2}Please delete {1} in order to proceed. No changes have occurred.", 
                                     DataLocation.PortableDataPath, DataLocation.RoamingDataPath, Environment.NewLine));
 

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

@@ -8,11 +8,14 @@ using System.Linq;
 using System.Windows;
 using System.Windows.Forms;
 using Flow.Launcher.Core.Resource;
+using CommunityToolkit.Mvvm.DependencyInjection;
 
 namespace Flow.Launcher.Core.ExternalPlugins.Environments
 {
     public abstract class AbstractPluginEnvironment
     {
+        protected readonly IPublicAPI API = Ioc.Default.GetRequiredService<IPublicAPI>();
+
         internal abstract string Language { get; }
 
         internal abstract string EnvName { get; }
@@ -25,7 +28,7 @@ namespace Flow.Launcher.Core.ExternalPlugins.Environments
 
         internal virtual string FileDialogFilter => string.Empty;
 
-        internal  abstract string PluginsSettingsFilePath { get; set; }
+        internal abstract string PluginsSettingsFilePath { get; set; }
 
         internal List<PluginMetadata> PluginMetadataList;
 
@@ -57,7 +60,7 @@ namespace Flow.Launcher.Core.ExternalPlugins.Environments
                 EnvName,
                 Environment.NewLine
             );
-            if (MessageBoxEx.Show(noRuntimeMessage, string.Empty, MessageBoxButton.YesNo) == MessageBoxResult.No)
+            if (API.ShowMsgBox(noRuntimeMessage, string.Empty, MessageBoxButton.YesNo) == MessageBoxResult.No)
             {
                 var msg = string.Format(InternationalizationManager.Instance.GetTranslation("runtimePluginChooseRuntimeExecutable"), EnvName);
                 string selectedFile;
@@ -82,7 +85,7 @@ namespace Flow.Launcher.Core.ExternalPlugins.Environments
             }
             else
             {
-                MessageBoxEx.Show(string.Format(InternationalizationManager.Instance.GetTranslation("runtimePluginUnableToSetExecutablePath"), Language));
+                API.ShowMsgBox(string.Format(InternationalizationManager.Instance.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");
@@ -98,7 +101,7 @@ namespace Flow.Launcher.Core.ExternalPlugins.Environments
             if (expectedPath == currentPath)
                 return;
 
-            FilesFolders.RemoveFolderIfExists(installedDirPath, MessageBoxEx.Show);
+            FilesFolders.RemoveFolderIfExists(installedDirPath, (s) => API.ShowMsgBox(s));
 
             InstallEnvironment();
 

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

@@ -28,7 +28,7 @@ namespace Flow.Launcher.Core.ExternalPlugins.Environments
 
         internal override void InstallEnvironment()
         {
-            FilesFolders.RemoveFolderIfExists(InstallPath, MessageBoxEx.Show);
+            FilesFolders.RemoveFolderIfExists(InstallPath, (s) => API.ShowMsgBox(s));
 
             // Python 3.11.4 is no longer Windows 7 compatible. If user is on Win 7 and
             // uses Python plugin they need to custom install and use v3.8.9

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

@@ -25,7 +25,7 @@ namespace Flow.Launcher.Core.ExternalPlugins.Environments
 
         internal override void InstallEnvironment()
         {
-            FilesFolders.RemoveFolderIfExists(InstallPath, MessageBoxEx.Show);
+            FilesFolders.RemoveFolderIfExists(InstallPath, (s) => API.ShowMsgBox(s));
 
             DroplexPackage.Drop(App.nodejs_16_18_0, InstallPath).Wait();
 

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

@@ -25,7 +25,7 @@ namespace Flow.Launcher.Core.ExternalPlugins.Environments
 
         internal override void InstallEnvironment()
         {
-            FilesFolders.RemoveFolderIfExists(InstallPath, MessageBoxEx.Show);
+            FilesFolders.RemoveFolderIfExists(InstallPath, (s) => API.ShowMsgBox(s));
 
             DroplexPackage.Drop(App.nodejs_16_18_0, InstallPath).Wait();
 

Flow.Launcher.Core/ExternalPlugins/PluginsManifest.cs

@@ -1,4 +1,4 @@
-using Flow.Launcher.Infrastructure.Logger;
+using Flow.Launcher.Infrastructure.Logger;
 using System;
 using System.Collections.Generic;
 using System.Threading;
@@ -21,7 +21,7 @@ namespace Flow.Launcher.Core.ExternalPlugins
 
         public static List<UserPlugin> UserPlugins { get; private set; }
 
-        public static async Task UpdateManifestAsync(CancellationToken token = default, bool usePrimaryUrlOnly = false)
+        public static async Task<bool> UpdateManifestAsync(CancellationToken token = default, bool usePrimaryUrlOnly = false)
         {
             try
             {
@@ -31,8 +31,14 @@ namespace Flow.Launcher.Core.ExternalPlugins
                 {
                     var results = await mainPluginStore.FetchAsync(token, usePrimaryUrlOnly).ConfigureAwait(false);
 
-                    UserPlugins = results;
-                    lastFetchedAt = DateTime.Now;
+                    // If the results are empty, we shouldn't update the manifest because the results are invalid.
+                    if (results.Count != 0)
+                    {
+                        UserPlugins = results;
+                        lastFetchedAt = DateTime.Now;
+
+                        return true;
+                    }
                 }
             }
             catch (Exception e)
@@ -43,6 +49,8 @@ namespace Flow.Launcher.Core.ExternalPlugins
             {
                 manifestUpdateLock.Release();
             }
+
+            return false;
         }
     }
 }

Flow.Launcher.Core/Flow.Launcher.Core.csproj

@@ -54,11 +54,11 @@
   
   <ItemGroup>
     <PackageReference Include="Droplex" Version="1.7.0" />
-    <PackageReference Include="FSharp.Core" Version="9.0.100" />
+    <PackageReference Include="FSharp.Core" Version="9.0.201" />
     <PackageReference Include="Meziantou.Framework.Win32.Jobs" Version="3.4.0" />
     <PackageReference Include="Microsoft.IO.RecyclableMemoryStream" Version="3.0.1" />
     <PackageReference Include="squirrel.windows" Version="1.5.2" NoWarn="NU1701" />
-    <PackageReference Include="StreamJsonRpc" Version="2.20.20" />
+    <PackageReference Include="StreamJsonRpc" Version="2.21.10" />
   </ItemGroup>
   
   <ItemGroup>

Flow.Launcher.Core/Plugin/JsonRPCPluginBase.cs

@@ -34,7 +34,7 @@ namespace Flow.Launcher.Core.Plugin
     /// Represent the plugin that using JsonPRC
     /// every JsonRPC plugin should has its own plugin instance
     /// </summary>
-    internal abstract class JsonRPCPluginBase : IAsyncPlugin, IContextMenu, ISettingProvider, ISavable
+    public abstract class JsonRPCPluginBase : IAsyncPlugin, IContextMenu, ISettingProvider, ISavable
     {
         protected PluginInitContext Context;
         public const string JsonRPC = "JsonRPC";
@@ -44,8 +44,10 @@ namespace Flow.Launcher.Core.Plugin
         private string SettingConfigurationPath =>
             Path.Combine(Context.CurrentPluginMetadata.PluginDirectory, "SettingsTemplate.yaml");
 
-        private string SettingPath => Path.Combine(DataLocation.PluginSettingsDirectory,
-            Context.CurrentPluginMetadata.Name, "Settings.json");
+        private string SettingDirectory => Path.Combine(DataLocation.PluginSettingsDirectory,
+            Context.CurrentPluginMetadata.Name);
+
+        private string SettingPath => Path.Combine(SettingDirectory, "Settings.json");
 
         public abstract List<Result> LoadContextMenus(Result selectedResult);
 
@@ -155,9 +157,22 @@ namespace Flow.Launcher.Core.Plugin
             Settings?.Save();
         }
 
+        public bool NeedCreateSettingPanel()
+        {
+            return Settings.NeedCreateSettingPanel();
+        }
+
         public Control CreateSettingPanel()
         {
             return Settings.CreateSettingPanel();
         }
+
+        public void DeletePluginSettingsDirectory()
+        {
+            if (Directory.Exists(SettingDirectory))
+            {
+                Directory.Delete(SettingDirectory, true);
+            }
+        }
     }
 }

Flow.Launcher.Core/Plugin/JsonRPCPluginSettings.cs

@@ -109,10 +109,15 @@ namespace Flow.Launcher.Core.Plugin
             _storage.Save();
         }
 
+        public bool NeedCreateSettingPanel()
+        {
+            // If there are no settings or the settings configuration is empty, return null
+            return Settings != null && Configuration != null && Configuration.Body.Count != 0;
+        }
+
         public Control CreateSettingPanel()
         {
-            if (Settings == null || Settings.Count == 0)
-                return new();
+            // No need to check if NeedCreateSettingPanel is true because CreateSettingPanel will only be called if it's true
 
             var settingWindow = new UserControl();
             var mainPanel = new Grid { Margin = settingPanelMargin, VerticalAlignment = VerticalAlignment.Center };

Flow.Launcher.Core/Plugin/JsonRPCPluginV2.cs

@@ -26,54 +26,33 @@ namespace Flow.Launcher.Core.Plugin
 
         protected override async Task<bool> ExecuteResultAsync(JsonRPCResult result)
         {
-            try
-            {
-                var res = await RPC.InvokeAsync<JsonRPCExecuteResponse>(result.JsonRPCAction.Method,
-                    argument: result.JsonRPCAction.Parameters);
+            var res = await RPC.InvokeAsync<JsonRPCExecuteResponse>(result.JsonRPCAction.Method,
+                argument: result.JsonRPCAction.Parameters);
 
-                return res.Hide;
-            }
-            catch
-            {
-                return false;
-            }
+            return res.Hide;
         }
 
         private JoinableTaskFactory JTF { get; } = new JoinableTaskFactory(new JoinableTaskContext());
 
         public override List<Result> LoadContextMenus(Result selectedResult)
         {
-            try
-            {
-                var res = JTF.Run(() => RPC.InvokeWithCancellationAsync<JsonRPCQueryResponseModel>("context_menu",
-                    new object[] { selectedResult.ContextData }));
+            var res = JTF.Run(() => RPC.InvokeWithCancellationAsync<JsonRPCQueryResponseModel>("context_menu",
+                new object[] { selectedResult.ContextData }));
 
-                var results = ParseResults(res);
+            var results = ParseResults(res);
 
-                return results;
-            }
-            catch
-            {
-                return new List<Result>();
-            }
+            return results;
         }
 
         public override async Task<List<Result>> QueryAsync(Query query, CancellationToken token)
         {
-            try
-            {
-                var res = await RPC.InvokeWithCancellationAsync<JsonRPCQueryResponseModel>("query",
-                    new object[] { query, Settings.Inner },
-                    token);
+            var res = await RPC.InvokeWithCancellationAsync<JsonRPCQueryResponseModel>("query",
+                new object[] { query, Settings.Inner },
+                token);
 
-                var results = ParseResults(res);
+            var results = ParseResults(res);
 
-                return results;
-            }
-            catch
-            {
-                return new List<Result>();
-            }
+            return results;
         }
 
 
@@ -133,10 +112,15 @@ namespace Flow.Launcher.Core.Plugin
             RPC.StartListening();
         }
 
-        public virtual Task ReloadDataAsync()
+        public virtual async Task ReloadDataAsync()
         {
-            SetupJsonRPC();
-            return Task.CompletedTask;
+            try
+            {
+                await RPC.InvokeAsync("reload_data", Context);
+            }
+            catch (RemoteMethodNotFoundException e)
+            {
+            }
         }
 
         public virtual async ValueTask DisposeAsync()

Flow.Launcher.Core/Plugin/JsonRPCV2Models/JsonRPCPublicAPI.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.ComponentModel;
 using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using System.Runtime.CompilerServices;
@@ -121,10 +120,10 @@ namespace Flow.Launcher.Core.Plugin.JsonRPCV2Models
             return _api.HttpGetStreamAsync(url, token);
         }
 
-        public Task HttpDownloadAsync([NotNull] string url, [NotNull] string filePath,
+        public Task HttpDownloadAsync([NotNull] string url, [NotNull] string filePath, Action<double> reportProgress = null,
             CancellationToken token = default)
         {
-            return _api.HttpDownloadAsync(url, filePath, token);
+            return _api.HttpDownloadAsync(url, filePath, reportProgress, token);
         }
 
         public void AddActionKeyword(string pluginId, string newActionKeyword)
@@ -162,16 +161,29 @@ namespace Flow.Launcher.Core.Plugin.JsonRPCV2Models
             _api.OpenDirectory(DirectoryPath, FileNameOrFilePath);
         }
 
-
         public void OpenUrl(string url, bool? inPrivate = null)
         {
             _api.OpenUrl(url, inPrivate);
         }
 
-
         public void OpenAppUri(string appUri)
         {
             _api.OpenAppUri(appUri);
         }
+
+        public void BackToQueryResults()
+        {
+            _api.BackToQueryResults();
+        }
+
+        public void StartLoadingBar()
+        {
+            _api.StartLoadingBar();
+        }
+
+        public void StopLoadingBar()
+        {
+            _api.StopLoadingBar();
+        }
     }
 }

Flow.Launcher.Core/Plugin/PluginManager.cs

@@ -14,6 +14,7 @@ using ISavable = Flow.Launcher.Plugin.ISavable;
 using Flow.Launcher.Plugin.SharedCommands;
 using System.Text.Json;
 using Flow.Launcher.Core.Resource;
+using CommunityToolkit.Mvvm.DependencyInjection;
 
 namespace Flow.Launcher.Core.Plugin
 {
@@ -28,7 +29,9 @@ namespace Flow.Launcher.Core.Plugin
         public static readonly HashSet<PluginPair> GlobalPlugins = new();
         public static readonly Dictionary<string, PluginPair> NonGlobalPlugins = new();
 
-        public static IPublicAPI API { private set; get; }
+        // We should not initialize API in static constructor because it will create another API instance
+        private static IPublicAPI api = null;
+        private static IPublicAPI API => api ??= Ioc.Default.GetRequiredService<IPublicAPI>();
 
         private static PluginsSettings Settings;
         private static List<PluginMetadata> _metadatas;
@@ -158,9 +161,8 @@ namespace Flow.Launcher.Core.Plugin
         /// Call initialize for all plugins
         /// </summary>
         /// <returns>return the list of failed to init plugins or null for none</returns>
-        public static async Task InitializePluginsAsync(IPublicAPI api)
+        public static async Task InitializePluginsAsync()
         {
-            API = api;
             var failedPlugins = new ConcurrentQueue<PluginPair>();
 
             var InitTasks = AllPlugins.Select(pair => Task.Run(async delegate
@@ -204,15 +206,15 @@ namespace Flow.Launcher.Core.Plugin
             }
 
             InternationalizationManager.Instance.AddPluginLanguageDirectories(GetPluginsForInterface<IPluginI18n>());
-            InternationalizationManager.Instance.ChangeLanguage(InternationalizationManager.Instance.Settings.Language);
+            InternationalizationManager.Instance.ChangeLanguage(Ioc.Default.GetRequiredService<Settings>().Language);
 
             if (failedPlugins.Any())
             {
                 var failed = string.Join(",", failedPlugins.Select(x => x.Metadata.Name));
                 API.ShowMsg(
-                    InternationalizationManager.Instance.GetTranslation("failedToInitializePluginsTitle"),
+                    API.GetTranslation("failedToInitializePluginsTitle"),
                     string.Format(
-                        InternationalizationManager.Instance.GetTranslation("failedToInitializePluginsMessage"),
+                        API.GetTranslation("failedToInitializePluginsMessage"),
                         failed
                     ),
                     "",
@@ -281,7 +283,7 @@ namespace Flow.Launcher.Core.Plugin
             return results;
         }
 
-        public static void UpdatePluginMetadata(List<Result> results, PluginMetadata metadata, Query query)
+        public static void UpdatePluginMetadata(IReadOnlyList<Result> results, PluginMetadata metadata, Query query)
         {
             foreach (var r in results)
             {
@@ -439,7 +441,7 @@ namespace Flow.Launcher.Core.Plugin
         public static void UpdatePlugin(PluginMetadata existingVersion, UserPlugin newVersion, string zipFilePath)
         {
             InstallPlugin(newVersion, zipFilePath, checkModified:false);
-            UninstallPlugin(existingVersion, removeSettings:false, checkModified:false);
+            UninstallPlugin(existingVersion, removePluginFromSettings:false, removePluginSettings:false, checkModified: false);
             _modifiedPlugins.Add(existingVersion.ID);
         }
 
@@ -454,9 +456,9 @@ namespace Flow.Launcher.Core.Plugin
         /// <summary>
         /// Uninstall a plugin.
         /// </summary>
-        public static void UninstallPlugin(PluginMetadata plugin, bool removeSettings = true)
+        public static void UninstallPlugin(PluginMetadata plugin, bool removePluginFromSettings = true, bool removePluginSettings = false)
         {
-            UninstallPlugin(plugin, removeSettings, true);
+            UninstallPlugin(plugin, removePluginFromSettings, removePluginSettings, true);
         }
 
         #endregion
@@ -519,9 +521,17 @@ namespace Flow.Launcher.Core.Plugin
 
             var newPluginPath = Path.Combine(installDirectory, folderName);
 
-            FilesFolders.CopyAll(pluginFolderPath, newPluginPath, MessageBoxEx.Show);
+            FilesFolders.CopyAll(pluginFolderPath, newPluginPath, (s) => API.ShowMsgBox(s));
 
-            Directory.Delete(tempFolderPluginPath, true);
+            try
+            {
+                if (Directory.Exists(tempFolderPluginPath))
+                    Directory.Delete(tempFolderPluginPath, true);
+            }
+            catch (Exception e)
+            {
+                Log.Exception($"|PluginManager.InstallPlugin|Failed to delete temp folder {tempFolderPluginPath}", e);
+            }
 
             if (checkModified)
             {
@@ -529,14 +539,62 @@ namespace Flow.Launcher.Core.Plugin
             }
         }
 
-        internal static void UninstallPlugin(PluginMetadata plugin, bool removeSettings, bool checkModified)
+        internal static void UninstallPlugin(PluginMetadata plugin, bool removePluginFromSettings, bool removePluginSettings, bool checkModified)
         {
             if (checkModified && PluginModified(plugin.ID))
             {
                 throw new ArgumentException($"Plugin {plugin.Name} has been modified");
             }
 
-            if (removeSettings)
+            if (removePluginSettings)
+            {
+                if (AllowedLanguage.IsDotNet(plugin.Language))  // for the plugin in .NET, we can use assembly loader
+                {
+                    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($"|PluginManager.UninstallPlugin|Failed to delete plugin json folder for {plugin.Name}", e);
+                            API.ShowMsg(API.GetTranslation("failedToRemovePluginSettingsTitle"),
+                                string.Format(API.GetTranslation("failedToRemovePluginSettingsMessage"), plugin.Name));
+                        }
+                    }
+                }
+                else  // the plugin with json prc interface
+                {
+                    var pluginPair = AllPlugins.FirstOrDefault(p => p.Metadata.ID == plugin.ID);
+                    if (pluginPair != null && pluginPair.Plugin is JsonRPCPlugin jsonRpcPlugin)
+                    {
+                        try
+                        {
+                            jsonRpcPlugin.DeletePluginSettingsDirectory();
+                        }
+                        catch (Exception e)
+                        {
+                            Log.Exception($"|PluginManager.UninstallPlugin|Failed to delete plugin json folder for {plugin.Name}", e);
+                            API.ShowMsg(API.GetTranslation("failedToRemovePluginSettingsTitle"),
+                                string.Format(API.GetTranslation("failedToRemovePluginSettingsMessage"), plugin.Name));
+                        }
+                    }
+                }
+            }
+
+            if (removePluginFromSettings)
             {
                 Settings.Plugins.Remove(plugin.ID);
                 AllPlugins.RemoveAll(p => p.Metadata.ID == plugin.ID);

Flow.Launcher.Core/Plugin/PluginsLoader.cs

@@ -4,6 +4,7 @@ using System.Linq;
 using System.Reflection;
 using System.Threading.Tasks;
 using System.Windows;
+using CommunityToolkit.Mvvm.DependencyInjection;
 using Flow.Launcher.Core.ExternalPlugins.Environments;
 #pragma warning disable IDE0005
 using Flow.Launcher.Infrastructure.Logger;
@@ -119,7 +120,7 @@ namespace Flow.Launcher.Core.Plugin
 
                 _ = Task.Run(() =>
                 {
-                    MessageBoxEx.Show($"{errorMessage}{Environment.NewLine}{Environment.NewLine}" +
+                    Ioc.Default.GetRequiredService<IPublicAPI>().ShowMsgBox($"{errorMessage}{Environment.NewLine}{Environment.NewLine}" +
                                     $"{errorPluginString}{Environment.NewLine}{Environment.NewLine}" +
                                     $"Please refer to the logs for more information", "",
                         MessageBoxButton.OK, MessageBoxImage.Warning);

Flow.Launcher.Core/Plugin/PythonPlugin.cs

@@ -1,4 +1,5 @@
-using System.Diagnostics;
+using System;
+using System.Diagnostics;
 using System.IO;
 using System.Text.Json;
 using System.Threading;
@@ -25,14 +26,13 @@ namespace Flow.Launcher.Core.Plugin
 
             var path = Path.Combine(Constant.ProgramDirectory, JsonRPC);
             _startInfo.EnvironmentVariables["PYTHONPATH"] = path;
+            // Prevent Python from writing .py[co] files.
+            // Because .pyc contains location infos which will prevent python portable.
+            _startInfo.EnvironmentVariables["PYTHONDONTWRITEBYTECODE"] = "1";
 
             _startInfo.EnvironmentVariables["FLOW_VERSION"] = Constant.Version;
             _startInfo.EnvironmentVariables["FLOW_PROGRAM_DIRECTORY"] = Constant.ProgramDirectory;
             _startInfo.EnvironmentVariables["FLOW_APPLICATION_DIRECTORY"] = Constant.ApplicationDirectory;
-
-
-            //Add -B flag to tell python don't write .py[co] files. Because .pyc contains location infos which will prevent python portable
-            _startInfo.ArgumentList.Add("-B");
         }
 
         protected override Task<Stream> RequestAsync(JsonRPCRequestModel request, CancellationToken token = default)
@@ -50,10 +50,53 @@ namespace Flow.Launcher.Core.Plugin
             // TODO: Async Action
             return Execute(_startInfo);
         }
+
         public override async Task InitAsync(PluginInitContext context)
         {
-            _startInfo.ArgumentList.Add(context.CurrentPluginMetadata.ExecuteFilePath);
-            _startInfo.ArgumentList.Add("");
+            // Run .py files via `-c <code>`
+            if (context.CurrentPluginMetadata.ExecuteFilePath.EndsWith(".py", StringComparison.OrdinalIgnoreCase))
+            {
+                var rootDirectory = context.CurrentPluginMetadata.PluginDirectory;
+                var libDirectory = Path.Combine(rootDirectory, "lib");
+                var libPyWin32Directory = Path.Combine(libDirectory, "win32");
+                var libPyWin32LibDirectory = Path.Combine(libPyWin32Directory, "lib");
+                var pluginDirectory = Path.Combine(rootDirectory, "plugin");
+
+                // This makes it easier for plugin authors to import their own modules.
+                // They won't have to add `.`, `./lib`, or `./plugin` to their sys.path manually.
+                // Instead of running the .py file directly, we pass the code we want to run as a CLI argument.
+                // This code sets sys.path for the plugin author and then runs the .py file via runpy.
+                _startInfo.ArgumentList.Add("-c");
+                _startInfo.ArgumentList.Add(
+                    $"""
+                     import sys
+                     sys.path.append(r'{rootDirectory}')
+                     sys.path.append(r'{libDirectory}')
+                     sys.path.append(r'{libPyWin32LibDirectory}')
+                     sys.path.append(r'{libPyWin32Directory}')
+                     sys.path.append(r'{pluginDirectory}')
+
+                     import runpy
+                     runpy.run_path(r'{context.CurrentPluginMetadata.ExecuteFilePath}', None, '__main__')
+                     """
+                );
+                // Plugins always expect the JSON data to be in the third argument
+                // (we're always setting it as _startInfo.ArgumentList[2] = ...).
+                _startInfo.ArgumentList.Add("");
+            }
+            // Run .pyz files as is
+            else
+            {
+                // No need for -B flag because we're using PYTHONDONTWRITEBYTECODE env variable now,
+                // but the plugins still expect data to be sent as the third argument, so we're keeping
+                // the flag here, even though it's not necessary anymore.
+                _startInfo.ArgumentList.Add("-B");
+                _startInfo.ArgumentList.Add(context.CurrentPluginMetadata.ExecuteFilePath);
+                // Plugins always expect the JSON data to be in the third argument
+                // (we're always setting it as _startInfo.ArgumentList[2] = ...).
+                _startInfo.ArgumentList.Add("");
+            }
+
             await base.InitAsync(context);
             _startInfo.WorkingDirectory = context.CurrentPluginMetadata.PluginDirectory;
         }

Flow.Launcher.Core/Plugin/PythonPluginV2.cs

@@ -26,14 +26,45 @@ namespace Flow.Launcher.Core.Plugin
 
             var path = Path.Combine(Constant.ProgramDirectory, JsonRpc);
             StartInfo.EnvironmentVariables["PYTHONPATH"] = path;
-
-            //Add -B flag to tell python don't write .py[co] files. Because .pyc contains location infos which will prevent python portable
-            StartInfo.ArgumentList.Add("-B");
+            StartInfo.EnvironmentVariables["PYTHONDONTWRITEBYTECODE"] = "1";
         }
 
         public override async Task InitAsync(PluginInitContext context)
         {
-            StartInfo.ArgumentList.Add(context.CurrentPluginMetadata.ExecuteFilePath);
+            // Run .py files via `-c <code>`
+            if (context.CurrentPluginMetadata.ExecuteFilePath.EndsWith(".py", StringComparison.OrdinalIgnoreCase))
+            {
+                var rootDirectory = context.CurrentPluginMetadata.PluginDirectory;
+                var libDirectory = Path.Combine(rootDirectory, "lib");
+                var libPyWin32Directory = Path.Combine(libDirectory, "win32");
+                var libPyWin32LibDirectory = Path.Combine(libPyWin32Directory, "lib");
+                var pluginDirectory = Path.Combine(rootDirectory, "plugin");
+                var filePath = context.CurrentPluginMetadata.ExecuteFilePath;
+
+                // This makes it easier for plugin authors to import their own modules.
+                // They won't have to add `.`, `./lib`, or `./plugin` to their sys.path manually.
+                // Instead of running the .py file directly, we pass the code we want to run as a CLI argument.
+                // This code sets sys.path for the plugin author and then runs the .py file via runpy.
+                StartInfo.ArgumentList.Add("-c");
+                StartInfo.ArgumentList.Add(
+                    $"""
+                     import sys
+                     sys.path.append(r'{rootDirectory}')
+                     sys.path.append(r'{libDirectory}')
+                     sys.path.append(r'{libPyWin32LibDirectory}')
+                     sys.path.append(r'{libPyWin32Directory}')
+                     sys.path.append(r'{pluginDirectory}')
+                     
+                     import runpy
+                     runpy.run_path(r'{filePath}', None, '__main__')
+                     """
+                );
+            }
+            // Run .pyz files as is
+            else
+            {
+                StartInfo.ArgumentList.Add(context.CurrentPluginMetadata.ExecuteFilePath);
+            }
             await base.InitAsync(context);
         }
 

Flow.Launcher.Core/Resource/AvailableLanguages.cs

@@ -30,7 +30,6 @@ namespace Flow.Launcher.Core.Resource
         public static Language Vietnamese = new Language("vi-vn", "Tiếng Việt");
         public static Language Hebrew = new Language("he", "עברית");
 
-
         public static List<Language> GetAvailableLanguages()
         {
             List<Language> languages = new List<Language>
@@ -63,5 +62,38 @@ namespace Flow.Launcher.Core.Resource
             };
             return languages;
         }
+
+        public static string GetSystemTranslation(string languageCode)
+        {
+            return languageCode switch
+            {
+                "en" => "System",
+                "zh-cn" => "系统",
+                "zh-tw" => "系統",
+                "uk-UA" => "Система",
+                "ru" => "Система",
+                "fr" => "Système",
+                "ja" => "システム",
+                "nl" => "Systeem",
+                "pl" => "System",
+                "da" => "System",
+                "de" => "System",
+                "ko" => "시스템",
+                "sr" => "Систем",
+                "pt-pt" => "Sistema",
+                "pt-br" => "Sistema",
+                "es" => "Sistema",
+                "es-419" => "Sistema",
+                "it" => "Sistema",
+                "nb-NO" => "System",
+                "sk" => "Systém",
+                "tr" => "Sistem",
+                "cs" => "Systém",
+                "ar" => "النظام",
+                "vi-vn" => "Hệ thống",
+                "he" => "מערכת",
+                _ => "System",
+            };
+        }
     }
 }

Flow.Launcher.Core/Resource/Internationalization.cs

@@ -11,30 +11,61 @@ using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.Plugin;
 using System.Globalization;
 using System.Threading.Tasks;
+using CommunityToolkit.Mvvm.DependencyInjection;
 
 namespace Flow.Launcher.Core.Resource
 {
     public class Internationalization
     {
-        public Settings Settings { get; set; }
         private const string Folder = "Languages";
+        private const string DefaultLanguageCode = "en";
         private const string DefaultFile = "en.xaml";
         private const string Extension = ".xaml";
+        private readonly Settings _settings;
         private readonly List<string> _languageDirectories = new List<string>();
         private readonly List<ResourceDictionary> _oldResources = new List<ResourceDictionary>();
+        private readonly string SystemLanguageCode;
 
-        public Internationalization()
+        public Internationalization(Settings settings)
         {
+            _settings = settings;
             AddFlowLauncherLanguageDirectory();
+            SystemLanguageCode = GetSystemLanguageCodeAtStartup();
         }
 
-
         private void AddFlowLauncherLanguageDirectory()
         {
             var directory = Path.Combine(Constant.ProgramDirectory, Folder);
             _languageDirectories.Add(directory);
         }
 
+        private static string GetSystemLanguageCodeAtStartup()
+        {
+            var availableLanguages = AvailableLanguages.GetAvailableLanguages();
+
+            // Retrieve the language identifiers for the current culture.
+            // ChangeLanguage method overrides the CultureInfo.CurrentCulture, so this needs to
+            // be called at startup in order to get the correct lang code of system. 
+            var currentCulture = CultureInfo.CurrentCulture;
+            var twoLetterCode = currentCulture.TwoLetterISOLanguageName;
+            var threeLetterCode = currentCulture.ThreeLetterISOLanguageName;
+            var fullName = currentCulture.Name;
+
+            // Try to find a match in the available languages list
+            foreach (var language in availableLanguages)
+            {
+                var languageCode = language.LanguageCode;
+
+                if (string.Equals(languageCode, twoLetterCode, StringComparison.OrdinalIgnoreCase) ||
+                    string.Equals(languageCode, threeLetterCode, StringComparison.OrdinalIgnoreCase) ||
+                    string.Equals(languageCode, fullName, StringComparison.OrdinalIgnoreCase))
+                {
+                    return languageCode;
+                }
+            }
+
+            return DefaultLanguageCode;
+        }
 
         internal void AddPluginLanguageDirectories(IEnumerable<PluginPair> plugins)
         {
@@ -68,8 +99,18 @@ namespace Flow.Launcher.Core.Resource
         public void ChangeLanguage(string languageCode)
         {
             languageCode = languageCode.NonNull();
-            Language language = GetLanguageByLanguageCode(languageCode);
-            ChangeLanguage(language);
+
+            // Get actual language if language code is system
+            var isSystem = false;
+            if (languageCode == Constant.SystemLanguageCode)
+            {
+                languageCode = SystemLanguageCode;
+                isSystem = true;
+            }
+
+            // Get language by language code and change language
+            var language = GetLanguageByLanguageCode(languageCode);
+            ChangeLanguage(language, isSystem);
         }
 
         private Language GetLanguageByLanguageCode(string languageCode)
@@ -87,11 +128,10 @@ namespace Flow.Launcher.Core.Resource
             }
         }
 
-        public void ChangeLanguage(Language language)
+        private void ChangeLanguage(Language language, bool isSystem)
         {
             language = language.NonNull();
 
-
             RemoveOldLanguageFiles();
             if (language != AvailableLanguages.English)
             {
@@ -103,7 +143,7 @@ namespace Flow.Launcher.Core.Resource
             CultureInfo.CurrentUICulture = CultureInfo.CurrentCulture;
 
             // Raise event after culture is set
-            Settings.Language = language.LanguageCode;
+            _settings.Language = isSystem ? Constant.SystemLanguageCode : language.LanguageCode;
             _ = Task.Run(() =>
             {
                 UpdatePluginMetadataTranslations();
@@ -114,7 +154,7 @@ namespace Flow.Launcher.Core.Resource
         {
             var languageToSet = GetLanguageByLanguageCode(languageCodeToSet);
 
-            if (Settings.ShouldUsePinyin)
+            if (_settings.ShouldUsePinyin)
                 return false;
 
             if (languageToSet != AvailableLanguages.Chinese && languageToSet != AvailableLanguages.Chinese_TW)
@@ -124,7 +164,7 @@ namespace Flow.Launcher.Core.Resource
             // "Do you want to search with pinyin?"
             string text = languageToSet == AvailableLanguages.Chinese ? "是否启用拼音搜索？" : "是否啓用拼音搜索？" ;
 
-            if (MessageBoxEx.Show(text, string.Empty, MessageBoxButton.YesNo) == MessageBoxResult.No)
+            if (Ioc.Default.GetRequiredService<IPublicAPI>().ShowMsgBox(text, string.Empty, MessageBoxButton.YesNo) == MessageBoxResult.No)
                 return false;
 
             return true;
@@ -167,7 +207,9 @@ namespace Flow.Launcher.Core.Resource
 
         public List<Language> LoadAvailableLanguages()
         {
-            return AvailableLanguages.GetAvailableLanguages();
+            var list = AvailableLanguages.GetAvailableLanguages();
+            list.Insert(0, new Language(Constant.SystemLanguageCode, AvailableLanguages.GetSystemTranslation(SystemLanguageCode)));
+            return list;
         }
 
         public string GetTranslation(string key)

Flow.Launcher.Core/Resource/InternationalizationManager.cs

@@ -1,26 +1,12 @@
-namespace Flow.Launcher.Core.Resource
+using System;
+using CommunityToolkit.Mvvm.DependencyInjection;
+
+namespace Flow.Launcher.Core.Resource
 {
+    [Obsolete("InternationalizationManager.Instance is obsolete. Use Ioc.Default.GetRequiredService<Internationalization>() instead.")]
     public static class InternationalizationManager
     {
-        private static Internationalization instance;
-        private static object syncObject = new object();
-
         public static Internationalization Instance
-        {
-            get
-            {
-                if (instance == null)
-                {
-                    lock (syncObject)
-                    {
-                        if (instance == null)
-                        {
-                            instance = new Internationalization();
-                        }
-                    }
-                }
-                return instance;
-            }
-        }
+            => Ioc.Default.GetRequiredService<Internationalization>();
     }
-}
+}

Flow.Launcher.Core/Resource/Theme.cs

@@ -3,16 +3,16 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Xml;
-using System.Runtime.InteropServices;
 using System.Windows;
 using System.Windows.Controls;
-using System.Windows.Interop;
 using System.Windows.Markup;
 using System.Windows.Media;
 using System.Windows.Media.Effects;
+using System.Windows.Shell;
 using Flow.Launcher.Infrastructure;
 using Flow.Launcher.Infrastructure.Logger;
 using Flow.Launcher.Infrastructure.UserSettings;
+using Flow.Launcher.Plugin;
 
 namespace Flow.Launcher.Core.Resource
 {
@@ -24,21 +24,27 @@ namespace Flow.Launcher.Core.Resource
 
         private const int ShadowExtraMargin = 32;
 
-        private readonly List<string> _themeDirectories = new List<string>();
+        private readonly IPublicAPI _api;
+        private readonly Settings _settings;
+        private readonly List<string> _themeDirectories = new();
         private ResourceDictionary _oldResource;
         private string _oldTheme;
-        public Settings Settings { get; set; }
         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);
 
+        public string CurrentTheme => _settings.Theme;
+
         public bool BlurEnabled { get; set; }
 
         private double mainWindowWidth;
 
-        public Theme()
+        public Theme(IPublicAPI publicAPI, Settings settings)
         {
+            _api = publicAPI;
+            _settings = settings;
+
             _themeDirectories.Add(DirectoryPath);
             _themeDirectories.Add(UserDirectoryPath);
             MakeSureThemeDirectoriesExist();
@@ -89,7 +95,7 @@ namespace Flow.Launcher.Core.Resource
                 // to things like fonts
                 UpdateResourceDictionary(GetResourceDictionary(theme));
 
-                Settings.Theme = theme;
+                _settings.Theme = theme;
 
 
                 //always allow re-loading default theme, in case of failure of switching to a new theme from default theme
@@ -98,19 +104,19 @@ namespace Flow.Launcher.Core.Resource
                     _oldTheme = Path.GetFileNameWithoutExtension(_oldResource.Source.AbsolutePath);
                 }
 
-                BlurEnabled = IsBlurTheme();
+                BlurEnabled = Win32Helper.IsBlurTheme();
 
-                if (Settings.UseDropShadowEffect && !BlurEnabled)
+                if (_settings.UseDropShadowEffect && !BlurEnabled)
                     AddDropShadowEffectToCurrentTheme();
 
-                SetBlurForWindow();
+                Win32Helper.SetBlurForWindow(Application.Current.MainWindow, BlurEnabled);
             }
             catch (DirectoryNotFoundException)
             {
                 Log.Error($"|Theme.ChangeTheme|Theme <{theme}> path can't be found");
                 if (theme != defaultTheme)
                 {
-                    MessageBoxEx.Show(string.Format(InternationalizationManager.Instance.GetTranslation("theme_load_failure_path_not_exists"), theme));
+                    _api.ShowMsgBox(string.Format(InternationalizationManager.Instance.GetTranslation("theme_load_failure_path_not_exists"), theme));
                     ChangeTheme(defaultTheme);
                 }
                 return false;
@@ -120,7 +126,7 @@ namespace Flow.Launcher.Core.Resource
                 Log.Error($"|Theme.ChangeTheme|Theme <{theme}> fail to parse");
                 if (theme != defaultTheme)
                 {
-                    MessageBoxEx.Show(string.Format(InternationalizationManager.Instance.GetTranslation("theme_load_failure_parse_error"), theme));
+                    _api.ShowMsgBox(string.Format(InternationalizationManager.Instance.GetTranslation("theme_load_failure_parse_error"), theme));
                     ChangeTheme(defaultTheme);
                 }
                 return false;
@@ -148,7 +154,7 @@ namespace Flow.Launcher.Core.Resource
             return dict;
         }
 
-        private ResourceDictionary CurrentThemeResourceDictionary() => GetThemeResourceDictionary(Settings.Theme);
+        private ResourceDictionary CurrentThemeResourceDictionary() => GetThemeResourceDictionary(_settings.Theme);
 
         public ResourceDictionary GetResourceDictionary(string theme)
         {
@@ -157,10 +163,10 @@ namespace Flow.Launcher.Core.Resource
             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);
+                var fontFamily = new FontFamily(_settings.QueryBoxFont);
+                var fontStyle = FontHelper.GetFontStyleFromInvariantStringOrNormal(_settings.QueryBoxFontStyle);
+                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));
@@ -185,10 +191,10 @@ namespace Flow.Launcher.Core.Resource
                 dict["ItemHotkeyStyle"] is Style resultHotkeyItemStyle &&
                 dict["ItemHotkeySelectedStyle"] is Style resultHotkeyItemSelectedStyle)
             {
-                Setter fontFamily = new Setter(TextBlock.FontFamilyProperty, new FontFamily(Settings.ResultFont));
-                Setter fontStyle = new Setter(TextBlock.FontStyleProperty, FontHelper.GetFontStyleFromInvariantStringOrNormal(Settings.ResultFontStyle));
-                Setter fontWeight = new Setter(TextBlock.FontWeightProperty, FontHelper.GetFontWeightFromInvariantStringOrNormal(Settings.ResultFontWeight));
-                Setter fontStretch = new Setter(TextBlock.FontStretchProperty, FontHelper.GetFontStretchFromInvariantStringOrNormal(Settings.ResultFontStretch));
+                Setter fontFamily = new Setter(TextBlock.FontFamilyProperty, new FontFamily(_settings.ResultFont));
+                Setter fontStyle = new Setter(TextBlock.FontStyleProperty, FontHelper.GetFontStyleFromInvariantStringOrNormal(_settings.ResultFontStyle));
+                Setter fontWeight = new Setter(TextBlock.FontWeightProperty, FontHelper.GetFontWeightFromInvariantStringOrNormal(_settings.ResultFontWeight));
+                Setter fontStretch = new Setter(TextBlock.FontStretchProperty, FontHelper.GetFontStretchFromInvariantStringOrNormal(_settings.ResultFontStretch));
 
                 Setter[] setters = { fontFamily, fontStyle, fontWeight, fontStretch };
                 Array.ForEach(
@@ -200,10 +206,10 @@ namespace Flow.Launcher.Core.Resource
                 dict["ItemSubTitleStyle"] is Style resultSubItemStyle &&
                 dict["ItemSubTitleSelectedStyle"] is Style resultSubItemSelectedStyle)
             {
-                Setter fontFamily = new Setter(TextBlock.FontFamilyProperty, new FontFamily(Settings.ResultSubFont));
-                Setter fontStyle = new Setter(TextBlock.FontStyleProperty, FontHelper.GetFontStyleFromInvariantStringOrNormal(Settings.ResultSubFontStyle));
-                Setter fontWeight = new Setter(TextBlock.FontWeightProperty, FontHelper.GetFontWeightFromInvariantStringOrNormal(Settings.ResultSubFontWeight));
-                Setter fontStretch = new Setter(TextBlock.FontStretchProperty, FontHelper.GetFontStretchFromInvariantStringOrNormal(Settings.ResultSubFontStretch));
+                Setter fontFamily = new Setter(TextBlock.FontFamilyProperty, new FontFamily(_settings.ResultSubFont));
+                Setter fontStyle = new Setter(TextBlock.FontStyleProperty, FontHelper.GetFontStyleFromInvariantStringOrNormal(_settings.ResultSubFontStyle));
+                Setter fontWeight = new Setter(TextBlock.FontWeightProperty, FontHelper.GetFontWeightFromInvariantStringOrNormal(_settings.ResultSubFontWeight));
+                Setter fontStretch = new Setter(TextBlock.FontStretchProperty, FontHelper.GetFontStretchFromInvariantStringOrNormal(_settings.ResultSubFontStretch));
 
                 Setter[] setters = { fontFamily, fontStyle, fontWeight, fontStretch };
                 Array.ForEach(
@@ -213,7 +219,7 @@ namespace Flow.Launcher.Core.Resource
 
             /* Ignore Theme Window Width and use setting */
             var windowStyle = dict["WindowStyle"] as Style;
-            var width = Settings.WindowSize;
+            var width = _settings.WindowSize;
             windowStyle.Setters.Add(new Setter(Window.WidthProperty, width));
             mainWindowWidth = (double)width;
             return dict;
@@ -221,7 +227,7 @@ namespace Flow.Launcher.Core.Resource
 
         private ResourceDictionary GetCurrentResourceDictionary( )
         {
-            return  GetResourceDictionary(Settings.Theme);
+            return  GetResourceDictionary(_settings.Theme);
         }
 
         public List<ThemeData> LoadAvailableThemes()
@@ -308,12 +314,15 @@ namespace Flow.Launcher.Core.Resource
             var marginSetter = windowBorderStyle.Setters.FirstOrDefault(setterBase => setterBase is Setter setter && setter.Property == Border.MarginProperty) as Setter;
             if (marginSetter == null)
             {
+                var margin = new Thickness(ShadowExtraMargin, 12, ShadowExtraMargin, ShadowExtraMargin);
                 marginSetter = new Setter()
                 {
                     Property = Border.MarginProperty,
-                    Value = new Thickness(ShadowExtraMargin, 12, ShadowExtraMargin, ShadowExtraMargin),
+                    Value = margin,
                 };
                 windowBorderStyle.Setters.Add(marginSetter);
+
+                SetResizeBoarderThickness(margin);
             }
             else
             {
@@ -324,6 +333,8 @@ namespace Flow.Launcher.Core.Resource
                     baseMargin.Right + ShadowExtraMargin,
                     baseMargin.Bottom + ShadowExtraMargin);
                 marginSetter.Value = newMargin;
+
+                SetResizeBoarderThickness(newMargin);
             }
 
             windowBorderStyle.Setters.Add(effectSetter);
@@ -354,101 +365,36 @@ namespace Flow.Launcher.Core.Resource
                 marginSetter.Value = newMargin;
             }
 
+            SetResizeBoarderThickness(null);
+
             UpdateResourceDictionary(dict);
         }
 
-        #region Blur Handling
-        /*
-        Found on https://github.com/riverar/sample-win10-aeroglass
-        */
-        private enum AccentState
+        // 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)
         {
-            ACCENT_DISABLED = 0,
-            ACCENT_ENABLE_GRADIENT = 1,
-            ACCENT_ENABLE_TRANSPARENTGRADIENT = 2,
-            ACCENT_ENABLE_BLURBEHIND = 3,
-            ACCENT_INVALID_STATE = 4
-        }
-
-        [StructLayout(LayoutKind.Sequential)]
-        private struct AccentPolicy
-        {
-            public AccentState AccentState;
-            public int AccentFlags;
-            public int GradientColor;
-            public int AnimationId;
-        }
-
-        [StructLayout(LayoutKind.Sequential)]
-        private struct WindowCompositionAttributeData
-        {
-            public WindowCompositionAttribute Attribute;
-            public IntPtr Data;
-            public int SizeOfData;
-        }
-
-        private enum WindowCompositionAttribute
-        {
-            WCA_ACCENT_POLICY = 19
-        }
-        [DllImport("user32.dll")]
-        private static extern int SetWindowCompositionAttribute(IntPtr hwnd, ref WindowCompositionAttributeData data);
-
-        /// <summary>
-        /// Sets the blur for a window via SetWindowCompositionAttribute
-        /// </summary>
-        public void SetBlurForWindow()
-        {
-            if (BlurEnabled)
+            var window = Application.Current.MainWindow;
+            if (WindowChrome.GetWindowChrome(window) is WindowChrome windowChrome)
             {
-                SetWindowAccent(Application.Current.MainWindow, AccentState.ACCENT_ENABLE_BLURBEHIND);
-            }
-            else
-            {
-                SetWindowAccent(Application.Current.MainWindow, AccentState.ACCENT_DISABLED);
+                Thickness thickness;
+                if (effectMargin == null)
+                {
+                    thickness = SystemParameters.WindowResizeBorderThickness;
+                }
+                else
+                {
+                    thickness = 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;
             }
         }
 
-        private bool IsBlurTheme()
-        {
-            if (Environment.OSVersion.Version >= new Version(6, 2))
-            {
-                var resource = Application.Current.TryFindResource("ThemeBlurEnabled");
-
-                if (resource is bool)
-                    return (bool)resource;
-
-                return false;
-            }
-
-            return false;
-        }
-
-        private void SetWindowAccent(Window w, AccentState state)
-        {
-            var windowHelper = new WindowInteropHelper(w);
-
-            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
-            {
-                Attribute = WindowCompositionAttribute.WCA_ACCENT_POLICY,
-                SizeOfData = accentStructSize,
-                Data = accentPtr
-            };
-
-            SetWindowCompositionAttribute(windowHelper.Handle, ref data);
-
-            Marshal.FreeHGlobal(accentPtr);
-        }
-        #endregion
-
         public record ThemeData(string FileNameWithoutExtension, string Name, bool? IsDark = null, bool? HasBlur = null);
     }
 }

Flow.Launcher.Core/Resource/ThemeManager.cs

@@ -1,26 +1,12 @@
-namespace Flow.Launcher.Core.Resource
+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
     {
-        private static Theme instance;
-        private static object syncObject = new object();
-
         public static Theme Instance
-        {
-            get
-            {
-                if (instance == null)
-                {
-                    lock (syncObject)
-                    {
-                        if (instance == null)
-                        {
-                            instance = new Theme();
-                        }
-                    }
-                }
-                return instance;
-            }
-        }
+            => Ioc.Default.GetRequiredService<Theme>();
     }
 }

Flow.Launcher.Core/Updater.cs

@@ -22,23 +22,26 @@ namespace Flow.Launcher.Core
 {
     public class Updater
     {
-        public string GitHubRepository { get; }
+        public string GitHubRepository { get; init; }
 
-        public Updater(string gitHubRepository)
+        private readonly IPublicAPI _api;
+
+        public Updater(IPublicAPI publicAPI, string gitHubRepository)
         {
+            _api = publicAPI;
             GitHubRepository = gitHubRepository;
         }
 
         private SemaphoreSlim UpdateLock { get; } = new SemaphoreSlim(1);
 
-        public async Task UpdateAppAsync(IPublicAPI api, bool silentUpdate = true)
+        public async Task UpdateAppAsync(bool silentUpdate = true)
         {
             await UpdateLock.WaitAsync().ConfigureAwait(false);
             try
             {
                 if (!silentUpdate)
-                    api.ShowMsg(api.GetTranslation("pleaseWait"),
-                        api.GetTranslation("update_flowlauncher_update_check"));
+                    _api.ShowMsg(_api.GetTranslation("pleaseWait"),
+                        _api.GetTranslation("update_flowlauncher_update_check"));
 
                 using var updateManager = await GitHubUpdateManagerAsync(GitHubRepository).ConfigureAwait(false);
 
@@ -53,13 +56,13 @@ namespace Flow.Launcher.Core
                 if (newReleaseVersion <= currentVersion)
                 {
                     if (!silentUpdate)
-                        MessageBoxEx.Show(api.GetTranslation("update_flowlauncher_already_on_latest"));
+                        _api.ShowMsgBox(_api.GetTranslation("update_flowlauncher_already_on_latest"));
                     return;
                 }
 
                 if (!silentUpdate)
-                    api.ShowMsg(api.GetTranslation("update_flowlauncher_update_found"),
-                        api.GetTranslation("update_flowlauncher_updating"));
+                    _api.ShowMsg(_api.GetTranslation("update_flowlauncher_update_found"),
+                        _api.GetTranslation("update_flowlauncher_updating"));
 
                 await updateManager.DownloadReleases(newUpdateInfo.ReleasesToApply).ConfigureAwait(false);
 
@@ -68,9 +71,9 @@ namespace Flow.Launcher.Core
                 if (DataLocation.PortableDataLocationInUse())
                 {
                     var targetDestination = updateManager.RootAppDirectory + $"\\app-{newReleaseVersion.ToString()}\\{DataLocation.PortableFolderName}";
-                    FilesFolders.CopyAll(DataLocation.PortableDataPath, targetDestination, MessageBoxEx.Show);
-                    if (!FilesFolders.VerifyBothFolderFilesEqual(DataLocation.PortableDataPath, targetDestination, MessageBoxEx.Show))
-                        MessageBoxEx.Show(string.Format(api.GetTranslation("update_flowlauncher_fail_moving_portable_user_profile_data"),
+                    FilesFolders.CopyAll(DataLocation.PortableDataPath, targetDestination, (s) => _api.ShowMsgBox(s));
+                    if (!FilesFolders.VerifyBothFolderFilesEqual(DataLocation.PortableDataPath, targetDestination, (s) => _api.ShowMsgBox(s)))
+                        _api.ShowMsgBox(string.Format(_api.GetTranslation("update_flowlauncher_fail_moving_portable_user_profile_data"),
                             DataLocation.PortableDataPath,
                             targetDestination));
                 }
@@ -83,7 +86,7 @@ namespace Flow.Launcher.Core
 
                 Log.Info($"|Updater.UpdateApp|Update success:{newVersionTips}");
 
-                if (MessageBoxEx.Show(newVersionTips, api.GetTranslation("update_flowlauncher_new_update"), MessageBoxButton.YesNo) == MessageBoxResult.Yes)
+                if (_api.ShowMsgBox(newVersionTips, _api.GetTranslation("update_flowlauncher_new_update"), MessageBoxButton.YesNo) == MessageBoxResult.Yes)
                 {
                     UpdateManager.RestartApp(Constant.ApplicationFileName);
                 }
@@ -96,8 +99,8 @@ namespace Flow.Launcher.Core
                     Log.Exception($"|Updater.UpdateApp|Error Occurred", e);
                 
                 if (!silentUpdate)
-                    api.ShowMsg(api.GetTranslation("update_flowlauncher_fail"),
-                        api.GetTranslation("update_flowlauncher_check_connection"));
+                    _api.ShowMsg(_api.GetTranslation("update_flowlauncher_fail"),
+                        _api.GetTranslation("update_flowlauncher_check_connection"));
             }
             finally
             {

Flow.Launcher.Infrastructure/Constant.cs

@@ -52,5 +52,7 @@ namespace Flow.Launcher.Infrastructure
         public const string SponsorPage = "https://github.com/sponsors/Flow-Launcher";
         public const string GitHub = "https://github.com/Flow-Launcher/Flow.Launcher";
         public const string Docs = "https://flowlauncher.com/docs";
+
+        public const string SystemLanguageCode = "system";
     }
 }

Flow.Launcher.Infrastructure/FileExplorerHelper.cs

@@ -2,7 +2,7 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
-using System.Runtime.InteropServices;
+using Windows.Win32;
 
 namespace Flow.Launcher.Infrastructure
 {
@@ -15,7 +15,20 @@ namespace Flow.Launcher.Infrastructure
         {
             var explorerWindow = GetActiveExplorer();
             string locationUrl = explorerWindow?.LocationURL;
-            return !string.IsNullOrEmpty(locationUrl) ? new Uri(locationUrl).LocalPath + "\\" : null;
+            return !string.IsNullOrEmpty(locationUrl) ? GetDirectoryPath(new Uri(locationUrl).LocalPath) : null;
+        }
+
+        /// <summary>
+        /// Get directory path from a file path
+        /// </summary>
+        private static string GetDirectoryPath(string path)
+        {
+            if (!path.EndsWith("\\"))
+            {
+                return path + "\\";
+            }
+
+            return path;
         }
 
         /// <summary>
@@ -54,10 +67,6 @@ namespace Flow.Launcher.Infrastructure
             return explorerWindows.Zip(zOrders).MinBy(x => x.Second).First;
         }
 
-        [DllImport("user32.dll")]
-        [return: MarshalAs(UnmanagedType.Bool)]
-        private static extern bool EnumWindows(EnumWindowsProc lpEnumFunc, IntPtr lParam);
-
         private delegate bool EnumWindowsProc(IntPtr hWnd, IntPtr lParam);
 
         /// <summary>
@@ -70,9 +79,9 @@ namespace Flow.Launcher.Infrastructure
 
             var index = 0;
             var numRemaining = hWnds.Count;
-            EnumWindows((wnd, _) =>
+            PInvoke.EnumWindows((wnd, _) =>
             {
-                var searchIndex = hWnds.FindIndex(x => x.HWND == wnd.ToInt32());
+                var searchIndex = hWnds.FindIndex(x => new IntPtr(x.HWND) == wnd);
                 if (searchIndex != -1)
                 {
                     z[searchIndex] = index;

Flow.Launcher.Infrastructure/Flow.Launcher.Infrastructure.csproj

@@ -35,6 +35,10 @@
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   
+  <ItemGroup>
+    <AdditionalFiles Include="NativeMethods.txt" />
+  </ItemGroup>
+  
   <ItemGroup>
     <Compile Include="..\SolutionAssemblyInfo.cs" Link="Properties\SolutionAssemblyInfo.cs" />
     <None Include="FodyWeavers.xml" />
@@ -49,13 +53,18 @@
 
   <ItemGroup>
     <PackageReference Include="Ben.Demystifier" Version="0.4.1" />
-    <PackageReference Include="BitFaster.Caching" Version="2.5.2" />
+    <PackageReference Include="BitFaster.Caching" Version="2.5.3" />
+    <PackageReference Include="CommunityToolkit.Mvvm" Version="8.4.0" />
     <PackageReference Include="Fody" Version="6.5.5">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="MemoryPack" Version="1.21.3" />
+    <PackageReference Include="MemoryPack" Version="1.21.4" />
     <PackageReference Include="Microsoft.VisualStudio.Threading" Version="17.12.19" />
+    <PackageReference Include="Microsoft.Windows.CsWin32" Version="0.3.106">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="NLog" Version="4.7.10" />
     <PackageReference Include="PropertyChanged.Fody" Version="3.4.0" />
     <PackageReference Include="System.Drawing.Common" Version="7.0.0" />

Flow.Launcher.Infrastructure/Hotkey/GlobalHotkey.cs

@@ -1,6 +1,11 @@
-using System;
+using System;
+using System.Diagnostics;
 using System.Runtime.InteropServices;
 using Flow.Launcher.Plugin;
+using Windows.Win32;
+using Windows.Win32.Foundation;
+using Windows.Win32.UI.Input.KeyboardAndMouse;
+using Windows.Win32.UI.WindowsAndMessaging;
 
 namespace Flow.Launcher.Infrastructure.Hotkey
 {
@@ -10,44 +15,45 @@ namespace Flow.Launcher.Infrastructure.Hotkey
     /// </summary>
     public unsafe class GlobalHotkey : IDisposable
     {
-        private static readonly IntPtr hookId;
-        
-        
-        
+        private static readonly HOOKPROC _procKeyboard = HookKeyboardCallback;
+        private static readonly UnhookWindowsHookExSafeHandle hookId;
+
         public delegate bool KeyboardCallback(KeyEvent keyEvent, int vkCode, SpecialKeyState state);
         internal static Func<KeyEvent, int, SpecialKeyState, bool> hookedKeyboardCallback;
 
-        //Modifier key constants
-        private const int VK_SHIFT = 0x10;
-        private const int VK_CONTROL = 0x11;
-        private const int VK_ALT = 0x12;
-        private const int VK_WIN = 91;
-
         static GlobalHotkey()
         {
             // Set the hook
-            hookId = InterceptKeys.SetHook(& LowLevelKeyboardProc);
+            hookId = SetHook(_procKeyboard, WINDOWS_HOOK_ID.WH_KEYBOARD_LL);
+        }
+
+        private static UnhookWindowsHookExSafeHandle SetHook(HOOKPROC proc, WINDOWS_HOOK_ID hookId)
+        {
+            using var curProcess = Process.GetCurrentProcess();
+            using var curModule = curProcess.MainModule;
+            return PInvoke.SetWindowsHookEx(hookId, proc, PInvoke.GetModuleHandle(curModule.ModuleName), 0);
         }
 
         public static SpecialKeyState CheckModifiers()
         {
             SpecialKeyState state = new SpecialKeyState();
-            if ((InterceptKeys.GetKeyState(VK_SHIFT) & 0x8000) != 0)
+            if ((PInvoke.GetKeyState((int)VIRTUAL_KEY.VK_SHIFT) & 0x8000) != 0)
             {
                 //SHIFT is pressed
                 state.ShiftPressed = true;
             }
-            if ((InterceptKeys.GetKeyState(VK_CONTROL) & 0x8000) != 0)
+            if ((PInvoke.GetKeyState((int)VIRTUAL_KEY.VK_CONTROL) & 0x8000) != 0)
             {
                 //CONTROL is pressed
                 state.CtrlPressed = true;
             }
-            if ((InterceptKeys.GetKeyState(VK_ALT) & 0x8000) != 0)
+            if ((PInvoke.GetKeyState((int)VIRTUAL_KEY.VK_MENU) & 0x8000) != 0)
             {
                 //ALT is pressed
                 state.AltPressed = true;
             }
-            if ((InterceptKeys.GetKeyState(VK_WIN) & 0x8000) != 0)
+            if ((PInvoke.GetKeyState((int)VIRTUAL_KEY.VK_LWIN) & 0x8000) != 0 ||
+                (PInvoke.GetKeyState((int)VIRTUAL_KEY.VK_RWIN) & 0x8000) != 0)
             {
                 //WIN is pressed
                 state.WinPressed = true;
@@ -56,33 +62,33 @@ namespace Flow.Launcher.Infrastructure.Hotkey
             return state;
         }
 
-        [UnmanagedCallersOnly]
-        private static IntPtr LowLevelKeyboardProc(int nCode, UIntPtr wParam, IntPtr lParam)
+        private static LRESULT HookKeyboardCallback(int nCode, WPARAM wParam, LPARAM lParam)
         {
             bool continues = true;
 
             if (nCode >= 0)
             {
-                if (wParam.ToUInt32() == (int)KeyEvent.WM_KEYDOWN ||
-                    wParam.ToUInt32() == (int)KeyEvent.WM_KEYUP ||
-                    wParam.ToUInt32() == (int)KeyEvent.WM_SYSKEYDOWN ||
-                    wParam.ToUInt32() == (int)KeyEvent.WM_SYSKEYUP)
+                if (wParam.Value == (int)KeyEvent.WM_KEYDOWN ||
+                    wParam.Value == (int)KeyEvent.WM_KEYUP ||
+                    wParam.Value == (int)KeyEvent.WM_SYSKEYDOWN ||
+                    wParam.Value == (int)KeyEvent.WM_SYSKEYUP)
                 {
                     if (hookedKeyboardCallback != null)
-                        continues = hookedKeyboardCallback((KeyEvent)wParam.ToUInt32(), Marshal.ReadInt32(lParam), CheckModifiers());
+                        continues = hookedKeyboardCallback((KeyEvent)wParam.Value, Marshal.ReadInt32(lParam), CheckModifiers());
                 }
             }
 
             if (continues)
             {
-                return InterceptKeys.CallNextHookEx(hookId, nCode, wParam, lParam);
+                return PInvoke.CallNextHookEx(hookId, nCode, wParam, lParam);
             }
-            return (IntPtr)(-1);
+
+            return new LRESULT(1);
         }
 
         public void Dispose()
         {
-            InterceptKeys.UnhookWindowsHookEx(hookId);
+            hookId.Dispose();
         }
 
         ~GlobalHotkey()
@@ -90,4 +96,4 @@ namespace Flow.Launcher.Infrastructure.Hotkey
             Dispose();
         }
     }
-}
+}

Flow.Launcher.Infrastructure/Hotkey/InterceptKeys.cs

@@ -1,38 +0,0 @@
-using System;
-using System.Diagnostics;
-using System.Runtime.InteropServices;
-
-namespace Flow.Launcher.Infrastructure.Hotkey
-{
-    internal static unsafe class InterceptKeys
-    {
-        public delegate IntPtr LowLevelKeyboardProc(int nCode, UIntPtr wParam, IntPtr lParam);
-
-        private const int WH_KEYBOARD_LL = 13;
-
-        public static IntPtr SetHook(delegate* unmanaged<int, UIntPtr, IntPtr, IntPtr> proc)
-        {
-            using (Process curProcess = Process.GetCurrentProcess())
-            using (ProcessModule curModule = curProcess.MainModule)
-            {
-                return SetWindowsHookEx(WH_KEYBOARD_LL, proc, GetModuleHandle(curModule.ModuleName), 0);
-            }
-        }
-
-        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
-        public static extern IntPtr SetWindowsHookEx(int idHook, delegate* unmanaged<int, UIntPtr, IntPtr, IntPtr> lpfn, IntPtr hMod, uint dwThreadId);
-
-        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
-        [return: MarshalAs(UnmanagedType.Bool)]
-        public static extern bool UnhookWindowsHookEx(IntPtr hhk);
-
-        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
-        public static extern IntPtr CallNextHookEx(IntPtr hhk, int nCode, UIntPtr wParam, IntPtr lParam);
-
-        [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
-        public static extern IntPtr GetModuleHandle(string lpModuleName);
-
-        [DllImport("user32.dll", CharSet = CharSet.Auto, ExactSpelling = true, CallingConvention = CallingConvention.Winapi)]
-        public static extern short GetKeyState(int keyCode);
-    }
-}

Flow.Launcher.Infrastructure/Hotkey/KeyEvent.cs

@@ -1,3 +1,5 @@
+using Windows.Win32;
+
 namespace Flow.Launcher.Infrastructure.Hotkey
 {
     public enum KeyEvent
@@ -5,21 +7,21 @@ namespace Flow.Launcher.Infrastructure.Hotkey
         /// <summary>
         /// Key down
         /// </summary>
-        WM_KEYDOWN = 256,
+        WM_KEYDOWN = (int)PInvoke.WM_KEYDOWN,
 
         /// <summary>
         /// Key up
         /// </summary>
-        WM_KEYUP = 257,
+        WM_KEYUP = (int)PInvoke.WM_KEYUP,
 
         /// <summary>
         /// System key up
         /// </summary>
-        WM_SYSKEYUP = 261,
+        WM_SYSKEYUP = (int)PInvoke.WM_SYSKEYUP,
 
         /// <summary>
         /// System key down
         /// </summary>
-        WM_SYSKEYDOWN = 260
+        WM_SYSKEYDOWN = (int)PInvoke.WM_SYSKEYDOWN
     }
-}
+}

Flow.Launcher.Infrastructure/Http/Http.cs

@@ -8,6 +8,7 @@ using Flow.Launcher.Infrastructure.UserSettings;
 using System;
 using System.Threading;
 using Flow.Launcher.Plugin;
+using CommunityToolkit.Mvvm.DependencyInjection;
 
 namespace Flow.Launcher.Infrastructure.Http
 {
@@ -17,8 +18,6 @@ namespace Flow.Launcher.Infrastructure.Http
 
         private static HttpClient client = new HttpClient();
 
-        public static IPublicAPI API { get; set; }
-
         static Http()
         {
             // need to be added so it would work on a win10 machine
@@ -78,20 +77,55 @@ namespace Flow.Launcher.Infrastructure.Http
             }
             catch (UriFormatException e)
             {
-                API.ShowMsg("Please try again", "Unable to parse Http Proxy");
+                Ioc.Default.GetRequiredService<IPublicAPI>().ShowMsg("Please try again", "Unable to parse Http Proxy");
                 Log.Exception("Flow.Launcher.Infrastructure.Http", "Unable to parse Uri", e);
             }
         }
 
-        public static async Task DownloadAsync([NotNull] string url, [NotNull] string filePath, CancellationToken token = default)
+        public static async Task DownloadAsync([NotNull] string url, [NotNull] string filePath, Action<double> reportProgress = null, CancellationToken token = default)
         {
             try
             {
                 using var response = await client.GetAsync(url, HttpCompletionOption.ResponseHeadersRead, token);
+
                 if (response.StatusCode == HttpStatusCode.OK)
                 {
-                    await using var fileStream = new FileStream(filePath, FileMode.CreateNew);
-                    await response.Content.CopyToAsync(fileStream, token);
+                    var totalBytes = response.Content.Headers.ContentLength ?? -1L;
+                    var canReportProgress = totalBytes != -1;
+
+                    if (canReportProgress && reportProgress != null)
+                    {
+                        await using var contentStream = await response.Content.ReadAsStreamAsync(token);
+                        await using var fileStream = new FileStream(filePath, FileMode.CreateNew, FileAccess.Write, FileShare.None, 8192, true);
+
+                        var buffer = new byte[8192];
+                        long totalRead = 0;
+                        int read;
+                        double progressValue = 0;
+
+                        reportProgress(0);
+
+                        while ((read = await contentStream.ReadAsync(buffer, token)) > 0)
+                        {
+                            await fileStream.WriteAsync(buffer.AsMemory(0, read), token);
+                            totalRead += read;
+
+                            progressValue = totalRead * 100.0 / totalBytes;
+
+                            if (token.IsCancellationRequested)
+                                return;
+                            else
+                                reportProgress(progressValue);
+                        }
+
+                        if (progressValue < 100)
+                            reportProgress(100);
+                    }
+                    else
+                    {
+                        await using var fileStream = new FileStream(filePath, FileMode.CreateNew);
+                        await response.Content.CopyToAsync(fileStream, token);
+                    }
                 }
                 else
                 {

Flow.Launcher.Infrastructure/Image/ThumbnailReader.cs

@@ -1,12 +1,19 @@
 using System;
 using System.Runtime.InteropServices;
 using System.IO;
+using System.Windows;
 using System.Windows.Interop;
 using System.Windows.Media.Imaging;
-using System.Windows;
+using Windows.Win32;
+using Windows.Win32.Foundation;
+using Windows.Win32.UI.Shell;
+using Windows.Win32.Graphics.Gdi;
 
 namespace Flow.Launcher.Infrastructure.Image
 {
+    /// <summary>
+    /// Subclass of <see cref="Windows.Win32.UI.Shell.SIIGBF"/>
+    /// </summary>
     [Flags]
     public enum ThumbnailOptions
     {
@@ -22,91 +29,13 @@ namespace Flow.Launcher.Infrastructure.Image
     {
         // Based on https://stackoverflow.com/questions/21751747/extract-thumbnail-for-any-file-in-windows
 
-        private const string IShellItem2Guid = "7E9FB0D3-919F-4307-AB2E-9B1860310C93";
-
-        [DllImport("shell32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
-        internal static extern int SHCreateItemFromParsingName(
-            [MarshalAs(UnmanagedType.LPWStr)] string path,
-            IntPtr pbc,
-            ref Guid riid,
-            [MarshalAs(UnmanagedType.Interface)] out IShellItem shellItem);
-
-        [DllImport("gdi32.dll")]
-        [return: MarshalAs(UnmanagedType.Bool)]
-        internal static extern bool DeleteObject(IntPtr hObject);
-
-        [ComImport]
-        [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
-        [Guid("43826d1e-e718-42ee-bc55-a1e261c37bfe")]
-        internal interface IShellItem
-        {
-            void BindToHandler(IntPtr pbc,
-                [MarshalAs(UnmanagedType.LPStruct)]Guid bhid,
-                [MarshalAs(UnmanagedType.LPStruct)]Guid riid,
-                out IntPtr ppv);
-
-            void GetParent(out IShellItem ppsi);
-            void GetDisplayName(SIGDN sigdnName, out IntPtr ppszName);
-            void GetAttributes(uint sfgaoMask, out uint psfgaoAttribs);
-            void Compare(IShellItem psi, uint hint, out int piOrder);
-        };
-
-        internal enum SIGDN : uint
-        {
-            NORMALDISPLAY = 0,
-            PARENTRELATIVEPARSING = 0x80018001,
-            PARENTRELATIVEFORADDRESSBAR = 0x8001c001,
-            DESKTOPABSOLUTEPARSING = 0x80028000,
-            PARENTRELATIVEEDITING = 0x80031001,
-            DESKTOPABSOLUTEEDITING = 0x8004c000,
-            FILESYSPATH = 0x80058000,
-            URL = 0x80068000
-        }
-
-        internal enum HResult
-        {
-            Ok = 0x0000,
-            False = 0x0001,
-            InvalidArguments = unchecked((int)0x80070057),
-            OutOfMemory = unchecked((int)0x8007000E),
-            NoInterface = unchecked((int)0x80004002),
-            Fail = unchecked((int)0x80004005),
-            ExtractionFailed = unchecked((int)0x8004B200),
-            ElementNotFound = unchecked((int)0x80070490),
-            TypeElementNotFound = unchecked((int)0x8002802B),
-            NoObject = unchecked((int)0x800401E5),
-            Win32ErrorCanceled = 1223,
-            Canceled = unchecked((int)0x800704C7),
-            ResourceInUse = unchecked((int)0x800700AA),
-            AccessDenied = unchecked((int)0x80030005)
-        }
-
-        [ComImportAttribute()]
-        [GuidAttribute("bcc18b79-ba16-442f-80c4-8a59c30c463b")]
-        [InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)]
-        internal interface IShellItemImageFactory
-        {
-            [PreserveSig]
-            HResult GetImage(
-            [In, MarshalAs(UnmanagedType.Struct)] NativeSize size,
-            [In] ThumbnailOptions flags,
-            [Out] out IntPtr phbm);
-        }
-
-        [StructLayout(LayoutKind.Sequential)]
-        internal struct NativeSize
-        {
-            private int width;
-            private int height;
-
-            public int Width { set { width = value; } }
-            public int Height { set { height = value; } }
-        };
+        private static readonly Guid GUID_IShellItem = typeof(IShellItem).GUID;
 
+        private static readonly HRESULT S_ExtractionFailed = (HRESULT)0x8004B200;
 
         public static BitmapSource GetThumbnail(string fileName, int width, int height, ThumbnailOptions options)
         {
-            IntPtr hBitmap = GetHBitmap(Path.GetFullPath(fileName), width, height, options);
+            HBITMAP hBitmap = GetHBitmap(Path.GetFullPath(fileName), width, height, options);
 
             try
             {
@@ -115,39 +44,61 @@ namespace Flow.Launcher.Infrastructure.Image
             finally
             {
                 // delete HBitmap to avoid memory leaks
-                DeleteObject(hBitmap);
+                PInvoke.DeleteObject(hBitmap);
             }
         }
-        
-        private static IntPtr GetHBitmap(string fileName, int width, int height, ThumbnailOptions options)
-        {
-            IShellItem nativeShellItem;
-            Guid shellItem2Guid = new Guid(IShellItem2Guid);
-            int retCode = SHCreateItemFromParsingName(fileName, IntPtr.Zero, ref shellItem2Guid, out nativeShellItem);
 
-            if (retCode != 0)
+        private static unsafe HBITMAP GetHBitmap(string fileName, int width, int height, ThumbnailOptions options)
+        {
+            var retCode = PInvoke.SHCreateItemFromParsingName(
+                fileName,
+                null,
+                GUID_IShellItem,
+                out var nativeShellItem);
+
+            if (retCode != HRESULT.S_OK)
                 throw Marshal.GetExceptionForHR(retCode);
 
-            NativeSize nativeSize = new NativeSize
+            if (nativeShellItem is not IShellItemImageFactory imageFactory)
             {
-                Width = width,
-                Height = height
-            };
-
-            IntPtr hBitmap;
-            HResult hr = ((IShellItemImageFactory)nativeShellItem).GetImage(nativeSize, options, out hBitmap);
-
-            // if extracting image thumbnail and failed, extract shell icon
-            if (options == ThumbnailOptions.ThumbnailOnly && hr == HResult.ExtractionFailed)
-            {
-                hr = ((IShellItemImageFactory) nativeShellItem).GetImage(nativeSize, ThumbnailOptions.IconOnly, out hBitmap);
+                Marshal.ReleaseComObject(nativeShellItem);
+                nativeShellItem = null;
+                throw new InvalidOperationException("Failed to get IShellItemImageFactory");
             }
 
-            Marshal.ReleaseComObject(nativeShellItem);
+            SIZE size = new SIZE
+            {
+                cx = width,
+                cy = height
+            };
 
-            if (hr == HResult.Ok) return hBitmap;
+            HBITMAP hBitmap = default;
+            try
+            {
+                try
+                {
+                    imageFactory.GetImage(size, (SIIGBF)options, &hBitmap);
+                }
+                catch (COMException ex) when (ex.HResult == S_ExtractionFailed && options == ThumbnailOptions.ThumbnailOnly)
+                {
+                    // Fallback to IconOnly if ThumbnailOnly fails
+                    imageFactory.GetImage(size, (SIIGBF)ThumbnailOptions.IconOnly, &hBitmap);
+                }
+                catch (FileNotFoundException) when (options == ThumbnailOptions.ThumbnailOnly)
+                {
+                    // Fallback to IconOnly if files cannot be found
+                    imageFactory.GetImage(size, (SIIGBF)ThumbnailOptions.IconOnly, &hBitmap);
+                }
+            }
+            finally
+            {
+                if (nativeShellItem != null)
+                {
+                    Marshal.ReleaseComObject(nativeShellItem);
+                }
+            }
 
-            throw new COMException($"Error while extracting thumbnail for {fileName}", Marshal.GetExceptionForHR((int)hr));
+            return hBitmap;
         }
     }
-}
+}

Flow.Launcher.Infrastructure/Logger/Log.cs

@@ -48,17 +48,45 @@ namespace Flow.Launcher.Infrastructure.Logger
             configuration.AddTarget("file", fileTargetASyncWrapper);
             configuration.AddTarget("debug", debugTarget);
 
+            var fileRule = new LoggingRule("*", LogLevel.Debug, fileTargetASyncWrapper)
+            {
+                RuleName = "file"
+            };
 #if DEBUG
-            var fileRule = new LoggingRule("*", LogLevel.Debug, fileTargetASyncWrapper);
-            var debugRule = new LoggingRule("*", LogLevel.Debug, debugTarget);
+            var debugRule = new LoggingRule("*", LogLevel.Debug, debugTarget)
+            {
+                RuleName = "debug"
+            };
             configuration.LoggingRules.Add(debugRule);
-#else
-            var fileRule = new LoggingRule("*", LogLevel.Info, fileTargetASyncWrapper);
 #endif
             configuration.LoggingRules.Add(fileRule);
             LogManager.Configuration = configuration;
         }
 
+        public static void SetLogLevel(LOGLEVEL level)
+        {
+            switch (level)
+            {
+                case LOGLEVEL.DEBUG:
+                    UseDebugLogLevel();
+                    break;
+                default:
+                    UseInfoLogLevel();
+                    break;
+            }
+            Info(nameof(Logger), $"Using log level: {level}.");
+        }
+
+        private static void UseDebugLogLevel()
+        {
+            LogManager.Configuration.FindRuleByName("file").SetLoggingLevels(LogLevel.Debug, LogLevel.Fatal);
+        }
+
+        private static void UseInfoLogLevel()
+        {
+            LogManager.Configuration.FindRuleByName("file").SetLoggingLevels(LogLevel.Info, LogLevel.Fatal);
+        }
+
         private static void LogFaultyFormat(string message)
         {
             var logger = LogManager.GetLogger("FaultyLogger");
@@ -206,4 +234,10 @@ namespace Flow.Launcher.Infrastructure.Logger
             LogInternal(message, LogLevel.Warn);
         }
     }
+
+    public enum LOGLEVEL
+    {
+        DEBUG,
+        INFO
+    }
 }

Flow.Launcher.Infrastructure/NativeMethods.txt

@@ -0,0 +1,19 @@
+SHCreateItemFromParsingName
+DeleteObject
+IShellItem
+IShellItemImageFactory
+S_OK
+
+SetWindowsHookEx
+UnhookWindowsHookEx
+CallNextHookEx
+GetModuleHandle
+GetKeyState
+VIRTUAL_KEY
+
+WM_KEYDOWN
+WM_KEYUP
+WM_SYSKEYDOWN
+WM_SYSKEYUP
+
+EnumWindows

Flow.Launcher.Infrastructure/PinyinAlphabet.cs

@@ -6,6 +6,7 @@ using System.Text;
 using JetBrains.Annotations;
 using Flow.Launcher.Infrastructure.UserSettings;
 using ToolGood.Words.Pinyin;
+using CommunityToolkit.Mvvm.DependencyInjection;
 
 namespace Flow.Launcher.Infrastructure
 {
@@ -129,7 +130,12 @@ namespace Flow.Launcher.Infrastructure
 
         private Settings _settings;
 
-        public void Initialize([NotNull] Settings settings)
+        public PinyinAlphabet()
+        {
+            Initialize(Ioc.Default.GetRequiredService<Settings>());
+        }
+
+        private void Initialize([NotNull] Settings settings)
         {
             _settings = settings ?? throw new ArgumentNullException(nameof(settings));
         }

Flow.Launcher.Infrastructure/Storage/JsonStorage.cs

@@ -31,11 +31,12 @@ namespace Flow.Launcher.Infrastructure.Storage
         protected JsonStorage()
         {
         }
+
         public JsonStorage(string filePath)
         {
             FilePath = filePath;
             DirectoryPath = Path.GetDirectoryName(filePath) ?? throw new ArgumentException("Invalid file path");
-            
+
             Helper.ValidateDirectory(DirectoryPath);
         }
 
@@ -97,6 +98,7 @@ namespace Flow.Launcher.Infrastructure.Storage
                 return default;
             }
         }
+
         private void RestoreBackup()
         {
             Log.Info($"|JsonStorage.Load|Failed to load settings.json, {BackupFilePath} restored successfully");
@@ -179,25 +181,21 @@ namespace Flow.Launcher.Infrastructure.Storage
         public void Save()
         {
             string serialized = JsonSerializer.Serialize(Data,
-                new JsonSerializerOptions
-                {
-                    WriteIndented = true
-                });
+                new JsonSerializerOptions { WriteIndented = true });
 
             File.WriteAllText(TempFilePath, serialized);
 
             AtomicWriteSetting();
         }
+
         public async Task SaveAsync()
         {
-            var tempOutput = File.OpenWrite(TempFilePath);
+            await using var tempOutput = File.OpenWrite(TempFilePath);
             await JsonSerializer.SerializeAsync(tempOutput, Data,
-                new JsonSerializerOptions
-                {
-                    WriteIndented = true
-                });
+                new JsonSerializerOptions { WriteIndented = true });
             AtomicWriteSetting();
         }
+
         private void AtomicWriteSetting()
         {
             if (!File.Exists(FilePath))
@@ -206,9 +204,9 @@ namespace Flow.Launcher.Infrastructure.Storage
             }
             else
             {
-                File.Replace(TempFilePath, FilePath, BackupFilePath);
+                var finalFilePath = new FileInfo(FilePath).LinkTarget ?? FilePath;
+                File.Replace(TempFilePath, finalFilePath, BackupFilePath);
             }
         }
-        
     }
 }

Flow.Launcher.Infrastructure/Storage/PluginJsonStorage.cs

@@ -3,14 +3,17 @@ using Flow.Launcher.Infrastructure.UserSettings;
 
 namespace Flow.Launcher.Infrastructure.Storage
 {
-    public class PluginJsonStorage<T> :JsonStorage<T> where T : new()
+    public class PluginJsonStorage<T> : JsonStorage<T> where T : new()
     {
+        // Use assembly name to check which plugin is using this storage
+        public readonly string AssemblyName;
+
         public PluginJsonStorage()
         {
             // C# related, add python related below
             var dataType = typeof(T);
-            var assemblyName = dataType.Assembly.GetName().Name;
-            DirectoryPath = Path.Combine(DataLocation.DataDirectory(), DirectoryName, Constant.Plugins, assemblyName);
+            AssemblyName = dataType.Assembly.GetName().Name;
+            DirectoryPath = Path.Combine(DataLocation.DataDirectory(), DirectoryName, Constant.Plugins, AssemblyName);
             Helper.ValidateDirectory(DirectoryPath);
 
             FilePath = Path.Combine(DirectoryPath, $"{dataType.Name}{FileSuffix}");
@@ -20,6 +23,13 @@ namespace Flow.Launcher.Infrastructure.Storage
         {
             Data = data;
         }
+
+        public void DeleteDirectory()
+        {
+            if (Directory.Exists(DirectoryPath))
+            {
+                Directory.Delete(DirectoryPath, true);
+            }
+        }
     }
 }
-

Flow.Launcher.Infrastructure/StringMatcher.cs

@@ -1,28 +1,35 @@
-using Flow.Launcher.Plugin.SharedModels;
+using CommunityToolkit.Mvvm.DependencyInjection;
+using Flow.Launcher.Plugin.SharedModels;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using Flow.Launcher.Infrastructure.UserSettings;
 
 namespace Flow.Launcher.Infrastructure
 {
     public class StringMatcher
     {
-        private readonly MatchOption _defaultMatchOption = new MatchOption();
+        private readonly MatchOption _defaultMatchOption = new();
 
         public SearchPrecisionScore UserSettingSearchPrecision { get; set; }
 
         private readonly IAlphabet _alphabet;
 
-        public StringMatcher(IAlphabet alphabet = null)
+        public StringMatcher(IAlphabet alphabet, Settings settings)
+        {
+            _alphabet = alphabet;
+            UserSettingSearchPrecision = settings.QuerySearchPrecision;
+        }
+
+        // This is a workaround to allow unit tests to set the instance
+        public StringMatcher(IAlphabet alphabet)
         {
             _alphabet = alphabet;
         }
 
-        public static StringMatcher Instance { get; internal set; }
-
         public static MatchResult FuzzySearch(string query, string stringToCompare)
         {
-            return Instance.FuzzyMatch(query, stringToCompare);
+            return Ioc.Default.GetRequiredService<StringMatcher>().FuzzyMatch(query, stringToCompare);
         }
 
         public MatchResult FuzzyMatch(string query, string stringToCompare)
@@ -241,16 +248,16 @@ namespace Flow.Launcher.Infrastructure
             return false;
         }
 
-        private bool IsAcronymChar(string stringToCompare, int compareStringIndex)
+        private static bool IsAcronymChar(string stringToCompare, int compareStringIndex)
             => char.IsUpper(stringToCompare[compareStringIndex]) ||
                compareStringIndex == 0 || // 0 index means char is the start of the compare string, which is an acronym
                char.IsWhiteSpace(stringToCompare[compareStringIndex - 1]);
 
-        private bool IsAcronymNumber(string stringToCompare, int compareStringIndex)
+        private static bool IsAcronymNumber(string stringToCompare, int compareStringIndex)
             => stringToCompare[compareStringIndex] >= 0 && stringToCompare[compareStringIndex] <= 9;
 
         // To get the index of the closest space which preceeds the first matching index
-        private int CalculateClosestSpaceIndex(List<int> spaceIndices, int firstMatchIndex)
+        private static int CalculateClosestSpaceIndex(List<int> spaceIndices, int firstMatchIndex)
         {
             var closestSpaceIndex = -1;
 

Flow.Launcher.Infrastructure/UserSettings/Settings.cs

@@ -1,10 +1,12 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Drawing;
 using System.Text.Json.Serialization;
 using System.Windows;
+using CommunityToolkit.Mvvm.DependencyInjection;
 using Flow.Launcher.Infrastructure.Hotkey;
+using Flow.Launcher.Infrastructure.Logger;
+using Flow.Launcher.Infrastructure.Storage;
 using Flow.Launcher.Plugin;
 using Flow.Launcher.Plugin.SharedModels;
 using Flow.Launcher.ViewModel;
@@ -13,7 +15,25 @@ namespace Flow.Launcher.Infrastructure.UserSettings
 {
     public class Settings : BaseModel, IHotkeySettings
     {
-        private string language = "en";
+        private FlowLauncherJsonStorage<Settings> _storage;
+        private StringMatcher _stringMatcher = null;
+
+        public void SetStorage(FlowLauncherJsonStorage<Settings> storage)
+        {
+            _storage = storage;
+        }
+
+        public void Initialize()
+        {
+            _stringMatcher = Ioc.Default.GetRequiredService<StringMatcher>();
+        }
+
+        public void Save()
+        {
+            _storage.Save();
+        }
+
+        private string language = Constant.SystemLanguageCode;
         private string _theme = Constant.DefaultTheme;
         public string Hotkey { get; set; } = $"{KeyConstant.Alt} + {KeyConstant.Space}";
         public string OpenResultModifiers { get; set; } = KeyConstant.Alt;
@@ -180,6 +200,8 @@ namespace Flow.Launcher.Infrastructure.UserSettings
             }
         };
 
+        [JsonConverter(typeof(JsonStringEnumConverter))]
+        public LOGLEVEL LogLevel { get; set; } = LOGLEVEL.INFO;
 
         /// <summary>
         /// when false Alphabet static service will always return empty results
@@ -198,8 +220,8 @@ namespace Flow.Launcher.Infrastructure.UserSettings
             set
             {
                 _querySearchPrecision = value;
-                if (StringMatcher.Instance != null)
-                    StringMatcher.Instance.UserSettingSearchPrecision = value;
+                if (_stringMatcher != null)
+                    _stringMatcher.UserSettingSearchPrecision = value;
             }
         }
 
@@ -238,6 +260,7 @@ namespace Flow.Launcher.Infrastructure.UserSettings
         public bool EnableUpdateLog { get; set; }
 
         public bool StartFlowLauncherOnSystemStartup { get; set; } = false;
+        public bool UseLogonTaskForStartup { get; set; } = false;
         public bool HideOnStartup { get; set; } = true;
         bool _hideNotifyIcon { get; set; }
         public bool HideNotifyIcon

Flow.Launcher.Infrastructure/Win32Helper.cs

@@ -0,0 +1,101 @@
+using System;
+using System.Runtime.InteropServices;
+using System.Windows.Interop;
+using System.Windows;
+
+namespace Flow.Launcher.Infrastructure
+{
+    public static class Win32Helper
+    {
+        #region Blur Handling
+
+        /*
+        Found on https://github.com/riverar/sample-win10-aeroglass
+        */
+
+        private enum AccentState
+        {
+            ACCENT_DISABLED = 0,
+            ACCENT_ENABLE_GRADIENT = 1,
+            ACCENT_ENABLE_TRANSPARENTGRADIENT = 2,
+            ACCENT_ENABLE_BLURBEHIND = 3,
+            ACCENT_INVALID_STATE = 4
+        }
+
+        [StructLayout(LayoutKind.Sequential)]
+        private struct AccentPolicy
+        {
+            public AccentState AccentState;
+            public int AccentFlags;
+            public int GradientColor;
+            public int AnimationId;
+        }
+
+        [StructLayout(LayoutKind.Sequential)]
+        private struct WindowCompositionAttributeData
+        {
+            public WindowCompositionAttribute Attribute;
+            public IntPtr Data;
+            public int SizeOfData;
+        }
+
+        private enum WindowCompositionAttribute
+        {
+            WCA_ACCENT_POLICY = 19
+        }
+
+        [DllImport("user32.dll")]
+        private static extern int SetWindowCompositionAttribute(IntPtr hwnd, ref WindowCompositionAttributeData data);
+
+        /// <summary>
+        /// Checks if the blur theme is enabled
+        /// </summary>
+        public static bool IsBlurTheme()
+        {
+            if (Environment.OSVersion.Version >= new Version(6, 2))
+            {
+                var resource = Application.Current.TryFindResource("ThemeBlurEnabled");
+
+                if (resource is bool b)
+                    return b;
+
+                return false;
+            }
+
+            return false;
+        }
+
+        /// <summary>
+        /// Sets the blur for a window via SetWindowCompositionAttribute
+        /// </summary>
+        public static void SetBlurForWindow(Window w, bool blur)
+        {
+            SetWindowAccent(w, blur ? AccentState.ACCENT_ENABLE_BLURBEHIND : AccentState.ACCENT_DISABLED);
+        }
+
+        private static void SetWindowAccent(Window w, AccentState state)
+        {
+            var windowHelper = new WindowInteropHelper(w);
+
+            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
+            {
+                Attribute = WindowCompositionAttribute.WCA_ACCENT_POLICY,
+                SizeOfData = accentStructSize,
+                Data = accentPtr
+            };
+
+            SetWindowCompositionAttribute(windowHelper.Handle, ref data);
+
+            Marshal.FreeHGlobal(accentPtr);
+        }
+        #endregion
+    }
+}

Flow.Launcher.Plugin/Flow.Launcher.Plugin.csproj

@@ -57,7 +57,11 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <None Include="Readme.md" Pack="true" PackagePath="\"/>
+    <AdditionalFiles Include="NativeMethods.txt" />
+  </ItemGroup>
+  
+  <ItemGroup>
+    <None Include="Readme.md" Pack="true" PackagePath="\" />
     <None Include="FodyWeavers.xml" />
   </ItemGroup>
 
@@ -68,6 +72,10 @@
     </PackageReference>
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All" />
     <PackageReference Include="JetBrains.Annotations" Version="2024.3.0" />
+    <PackageReference Include="Microsoft.Windows.CsWin32" Version="0.3.106">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="PropertyChanged.Fody" Version="3.4.0" />
   </ItemGroup>
 

Flow.Launcher.Plugin/Interfaces/IPublicAPI.cs

@@ -1,4 +1,4 @@
-using Flow.Launcher.Plugin.SharedModels;
+using Flow.Launcher.Plugin.SharedModels;
 using JetBrains.Annotations;
 using System;
 using System.Collections.Generic;
@@ -17,7 +17,8 @@ namespace Flow.Launcher.Plugin
     public interface IPublicAPI
     {
         /// <summary>
-        /// Change Flow.Launcher query
+        /// Change Flow.Launcher query.
+        /// When current results are from context menu or history, it will go back to query results before changing query.
         /// </summary>
         /// <param name="query">query text</param>
         /// <param name="requery">
@@ -181,9 +182,13 @@ namespace Flow.Launcher.Plugin
         /// </summary>
         /// <param name="url">URL to download file</param>
         /// <param name="filePath">path to save downloaded file</param>
+        /// <param name="reportProgress">
+        /// Action to report progress. The input of the action is the progress value which is a double value between 0 and 100.
+        /// It will be called if url support range request and the reportProgress is not null.
+        /// </param>
         /// <param name="token">place to store file</param>
         /// <returns>Task showing the progress</returns>
-        Task HttpDownloadAsync([NotNull] string url, [NotNull] string filePath, CancellationToken token = default);
+        Task HttpDownloadAsync([NotNull] string url, [NotNull] string filePath, Action<double> reportProgress = null, CancellationToken token = default);
 
         /// <summary>
         /// Add ActionKeyword for specific plugin
@@ -295,7 +300,7 @@ namespace Flow.Launcher.Plugin
 
         /// <summary>
         /// Reloads the query.
-        /// This method should run when selected item is from query results.
+        /// When current results are from context menu or history, it will go back to query results before requerying.
         /// </summary>
         /// <param name="reselect">Choose the first result after reload if true; keep the last selected result if false. Default is true.</param>
         public void ReQuery(bool reselect = true);
@@ -316,5 +321,28 @@ namespace Flow.Launcher.Plugin
         /// <param name="defaultResult">Specifies the default result of the message box.</param>
         /// <returns>Specifies which message box button is clicked by the user.</returns>
         public MessageBoxResult ShowMsgBox(string messageBoxText, string caption = "", MessageBoxButton button = MessageBoxButton.OK, MessageBoxImage icon = MessageBoxImage.None, MessageBoxResult defaultResult = MessageBoxResult.OK);
+
+        /// <summary>
+        /// Displays a standardised Flow progress box.
+        /// </summary>
+        /// <param name="caption">The caption of the progress box.</param>
+        /// <param name="reportProgressAsync">
+        /// Time-consuming task function, whose input is the action to report progress.
+        /// The input of the action is the progress value which is a double value between 0 and 100.
+        /// If there are any exceptions, this action will be null.
+        /// </param>
+        /// <param name="cancelProgress">When user cancel the progress, this action will be called.</param>
+        /// <returns></returns>
+        public Task ShowProgressBoxAsync(string caption, Func<Action<double>, Task> reportProgressAsync, Action cancelProgress = null);
+
+        /// <summary>
+        /// Start the loading bar in main window
+        /// </summary>
+        public void StartLoadingBar();
+
+        /// <summary>
+        /// Stop the loading bar in main window
+        /// </summary>
+        public void StopLoadingBar();
     }
 }

Flow.Launcher.Plugin/NativeMethods.txt

@@ -0,0 +1,3 @@
+EnumThreadWindows
+GetWindowText
+GetWindowTextLength

Flow.Launcher.Plugin/Query.cs

@@ -1,7 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text.Json.Serialization;
+using System.Text.Json.Serialization;
 
 namespace Flow.Launcher.Plugin
 {
@@ -9,15 +6,6 @@ namespace Flow.Launcher.Plugin
     {
         public Query() { }
 
-        [Obsolete("Use the default Query constructor.")]
-        public Query(string rawQuery, string search, string[] terms, string[] searchTerms, string actionKeyword = "")
-        {
-            Search = search;
-            RawQuery = rawQuery;
-            SearchTerms = searchTerms;
-            ActionKeyword = actionKeyword;
-        }
-
         /// <summary>
         /// Raw query, this includes action keyword if it has
         /// We didn't recommend use this property directly. You should always use Search property.

Flow.Launcher.Plugin/Result.cs

@@ -157,27 +157,6 @@ namespace Flow.Launcher.Plugin
             }
         }
 
-        /// <inheritdoc />
-        public override bool Equals(object obj)
-        {
-            var r = obj as Result;
-
-            var equality = string.Equals(r?.Title, Title) &&
-                           string.Equals(r?.SubTitle, SubTitle) &&
-                           string.Equals(r?.AutoCompleteText, AutoCompleteText) &&
-                           string.Equals(r?.CopyText, CopyText) &&
-                           string.Equals(r?.IcoPath, IcoPath) &&
-                           TitleHighlightData == r.TitleHighlightData;
-
-            return equality;
-        }
-
-        /// <inheritdoc />
-        public override int GetHashCode()
-        {
-            return HashCode.Combine(Title, SubTitle, AutoCompleteText, CopyText, IcoPath);
-        }
-
         /// <inheritdoc />
         public override string ToString()
         {
@@ -206,6 +185,16 @@ namespace Flow.Launcher.Plugin
                 TitleHighlightData = TitleHighlightData,
                 OriginQuery = OriginQuery,
                 PluginDirectory = PluginDirectory,
+                ContextData = ContextData,
+                PluginID = PluginID,
+                TitleToolTip = TitleToolTip,
+                SubTitleToolTip = SubTitleToolTip,
+                PreviewPanel = PreviewPanel,
+                ProgressBar = ProgressBar,
+                ProgressBarColor = ProgressBarColor,
+                Preview = Preview,
+                AddSelectedCount = AddSelectedCount,
+                RecordKey = RecordKey
             };
         }
 
@@ -273,6 +262,14 @@ namespace Flow.Launcher.Plugin
         /// </summary>
         public const int MaxScore = int.MaxValue;
 
+        /// <summary>
+        /// The key to identify the record. This is used when FL checks whether the result is the topmost record. Or FL calculates the hashcode of the result for user selected records.
+        /// This can be useful when your plugin will change the Title or SubTitle of the result dynamically.
+        /// If the plugin does not specific this, FL just uses Title and SubTitle to identify this result.
+        /// Note: Because old data does not have this key, we should use null as the default value for consistency.
+        /// </summary>
+        public string RecordKey { get; set; } = null;
+
         /// <summary>
         /// Info of the preview section of a <see cref="Result"/>
         /// </summary>

Flow.Launcher.Plugin/SharedCommands/ShellCommand.cs

@@ -2,18 +2,15 @@
 using System.ComponentModel;
 using System.Diagnostics;
 using System.IO;
-using System.Runtime.InteropServices;
-using System.Text;
 using System.Threading;
+using Windows.Win32;
+using Windows.Win32.Foundation;
 
 namespace Flow.Launcher.Plugin.SharedCommands
 {
     public static class ShellCommand
     {
         public delegate bool EnumThreadDelegate(IntPtr hwnd, IntPtr lParam);
-        [DllImport("user32.dll")] static extern bool EnumThreadWindows(uint threadId, EnumThreadDelegate lpfn, IntPtr lParam);
-        [DllImport("user32.dll")] static extern int GetWindowText(IntPtr hwnd, StringBuilder lpString, int nMaxCount);
-        [DllImport("user32.dll")] static extern int GetWindowTextLength(IntPtr hwnd);
 
         private static bool containsSecurityWindow;
 
@@ -28,6 +25,7 @@ namespace Flow.Launcher.Plugin.SharedCommands
                 CheckSecurityWindow();
                 Thread.Sleep(25);
             }
+
             while (containsSecurityWindow) // while this process contains a "Windows Security" dialog, stay open
             {
                 containsSecurityWindow = false;
@@ -42,24 +40,33 @@ namespace Flow.Launcher.Plugin.SharedCommands
         {
             ProcessThreadCollection ptc = Process.GetCurrentProcess().Threads;
             for (int i = 0; i < ptc.Count; i++)
-                EnumThreadWindows((uint)ptc[i].Id, CheckSecurityThread, IntPtr.Zero);
+                PInvoke.EnumThreadWindows((uint)ptc[i].Id, CheckSecurityThread, IntPtr.Zero);
         }
 
-        private static bool CheckSecurityThread(IntPtr hwnd, IntPtr lParam)
+        private static BOOL CheckSecurityThread(HWND hwnd, LPARAM lParam)
         {
             if (GetWindowTitle(hwnd) == "Windows Security")
                 containsSecurityWindow = true;
             return true;
         }
 
-        private static string GetWindowTitle(IntPtr hwnd)
+        private static unsafe string GetWindowTitle(HWND hwnd)
         {
-            StringBuilder sb = new StringBuilder(GetWindowTextLength(hwnd) + 1);
-            GetWindowText(hwnd, sb, sb.Capacity);
-            return sb.ToString();
+            var capacity = PInvoke.GetWindowTextLength(hwnd) + 1;
+            int length;
+            Span<char> buffer = capacity < 1024 ? stackalloc char[capacity] : new char[capacity];
+            fixed (char* pBuffer = buffer)
+            {
+                // If the window has no title bar or text, if the title bar is empty,
+                // or if the window or control handle is invalid, the return value is zero.
+                length = PInvoke.GetWindowText(hwnd, pBuffer, capacity);
+            }
+
+            return buffer[..length].ToString();
         }
 
-        public static ProcessStartInfo SetProcessStartInfo(this string fileName, string workingDirectory = "", string arguments = "", string verb = "", bool createNoWindow = false)
+        public static ProcessStartInfo SetProcessStartInfo(this string fileName, string workingDirectory = "",
+            string arguments = "", string verb = "", bool createNoWindow = false)
         {
             var info = new ProcessStartInfo
             {

Flow.Launcher.Test/FilesFoldersTest.cs

@@ -1,5 +1,6 @@
 using Flow.Launcher.Plugin.SharedCommands;
 using NUnit.Framework;
+using NUnit.Framework.Legacy;
 
 namespace Flow.Launcher.Test
 {
@@ -35,7 +36,7 @@ namespace Flow.Launcher.Test
         [TestCase(@"c:\barr", @"c:\foo\..\bar\baz", false)]
         public void GivenTwoPaths_WhenCheckPathContains_ThenShouldBeExpectedResult(string parentPath, string path, bool expectedResult)
         {
-            Assert.AreEqual(expectedResult, FilesFolders.PathContains(parentPath, path));
+            ClassicAssert.AreEqual(expectedResult, FilesFolders.PathContains(parentPath, path));
         }
 
         // Equality
@@ -47,7 +48,7 @@ namespace Flow.Launcher.Test
         [TestCase(@"c:\foo", @"c:\foo\", true)]
         public void GivenTwoPathsAreTheSame_WhenCheckPathContains_ThenShouldBeExpectedResult(string parentPath, string path, bool expectedResult)
         {
-            Assert.AreEqual(expectedResult, FilesFolders.PathContains(parentPath, path, allowEqual: expectedResult));
+            ClassicAssert.AreEqual(expectedResult, FilesFolders.PathContains(parentPath, path, allowEqual: expectedResult));
         }
     }
 }

Flow.Launcher.Test/Flow.Launcher.Test.csproj

@@ -49,7 +49,7 @@
 
   <ItemGroup>
     <PackageReference Include="Moq" Version="4.18.4" />
-    <PackageReference Include="nunit" Version="3.14.0" />
+    <PackageReference Include="nunit" Version="4.3.2" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.6.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

Flow.Launcher.Test/FuzzyMatcherTest.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
 using NUnit.Framework;
+using NUnit.Framework.Legacy;
 using Flow.Launcher.Infrastructure;
 using Flow.Launcher.Plugin;
 using Flow.Launcher.Plugin.SharedModels;
@@ -21,6 +22,8 @@ namespace Flow.Launcher.Test
         private const string MicrosoftSqlServerManagementStudio = "Microsoft SQL Server Management Studio";
         private const string VisualStudioCode = "Visual Studio Code";
 
+        private readonly IAlphabet alphabet = null;
+
         public List<string> GetSearchStrings()
             => new List<string>
             {
@@ -34,7 +37,7 @@ namespace Flow.Launcher.Test
                 OneOneOneOne
             };
 
-        public List<int> GetPrecisionScores()
+        public static List<int> GetPrecisionScores()
         {
             var listToReturn = new List<int>();
 
@@ -59,7 +62,7 @@ namespace Flow.Launcher.Test
             };
 
             var results = new List<Result>();
-            var matcher = new StringMatcher();
+            var matcher = new StringMatcher(alphabet);
             foreach (var str in sources)
             {
                 results.Add(new Result
@@ -71,20 +74,20 @@ namespace Flow.Launcher.Test
 
             results = results.Where(x => x.Score > 0).OrderByDescending(x => x.Score).ToList();
 
-            Assert.IsTrue(results.Count == 3);
-            Assert.IsTrue(results[0].Title == "Inste");
-            Assert.IsTrue(results[1].Title == "Install Package");
-            Assert.IsTrue(results[2].Title == "file open in browser-test");
+            ClassicAssert.IsTrue(results.Count == 3);
+            ClassicAssert.IsTrue(results[0].Title == "Inste");
+            ClassicAssert.IsTrue(results[1].Title == "Install Package");
+            ClassicAssert.IsTrue(results[2].Title == "file open in browser-test");
         }
 
         [TestCase("Chrome")]
         public void WhenNotAllCharactersFoundInSearchString_ThenShouldReturnZeroScore(string searchString)
         {
             var compareString = "Can have rum only in my glass";
-            var matcher = new StringMatcher();
+            var matcher = new StringMatcher(alphabet);
             var scoreResult = matcher.FuzzyMatch(searchString, compareString).RawScore;
 
-            Assert.True(scoreResult == 0);
+            ClassicAssert.True(scoreResult == 0);
         }
 
         [TestCase("chr")]
@@ -97,7 +100,7 @@ namespace Flow.Launcher.Test
             string searchTerm)
         {
             var results = new List<Result>();
-            var matcher = new StringMatcher();
+            var matcher = new StringMatcher(alphabet);
             foreach (var str in GetSearchStrings())
             {
                 results.Add(new Result
@@ -125,7 +128,7 @@ namespace Flow.Launcher.Test
                 Debug.WriteLine("###############################################");
                 Debug.WriteLine("");
 
-                Assert.IsFalse(filteredResult.Any(x => x.Score < precisionScore));
+                ClassicAssert.IsFalse(filteredResult.Any(x => x.Score < precisionScore));
             }
         }
 
@@ -147,11 +150,11 @@ namespace Flow.Launcher.Test
             string queryString, string compareString, int expectedScore)
         {
             // When, Given
-            var matcher = new StringMatcher {UserSettingSearchPrecision = SearchPrecisionScore.Regular};
+            var matcher = new StringMatcher(alphabet) {UserSettingSearchPrecision = SearchPrecisionScore.Regular};
             var rawScore = matcher.FuzzyMatch(queryString, compareString).RawScore;
 
             // Should
-            Assert.AreEqual(expectedScore, rawScore,
+            ClassicAssert.AreEqual(expectedScore, rawScore,
                 $"Expected score for compare string '{compareString}': {expectedScore}, Actual: {rawScore}");
         }
 
@@ -181,7 +184,7 @@ namespace Flow.Launcher.Test
             bool expectedPrecisionResult)
         {
             // When            
-            var matcher = new StringMatcher {UserSettingSearchPrecision = expectedPrecisionScore};
+            var matcher = new StringMatcher(alphabet) {UserSettingSearchPrecision = expectedPrecisionScore};
 
             // Given
             var matchResult = matcher.FuzzyMatch(queryString, compareString);
@@ -190,12 +193,12 @@ namespace Flow.Launcher.Test
             Debug.WriteLine("###############################################");
             Debug.WriteLine($"QueryString: {queryString}     CompareString: {compareString}");
             Debug.WriteLine(
-                $"RAW SCORE: {matchResult.RawScore.ToString()}, PrecisionLevelSetAt: {expectedPrecisionScore} ({(int) expectedPrecisionScore})");
+                $"RAW SCORE: {matchResult.RawScore}, PrecisionLevelSetAt: {expectedPrecisionScore} ({(int) expectedPrecisionScore})");
             Debug.WriteLine("###############################################");
             Debug.WriteLine("");
 
             // Should
-            Assert.AreEqual(expectedPrecisionResult, matchResult.IsSearchPrecisionScoreMet(),
+            ClassicAssert.AreEqual(expectedPrecisionResult, matchResult.IsSearchPrecisionScoreMet(),
                 $"Query: {queryString}{Environment.NewLine} " +
                 $"Compare: {compareString}{Environment.NewLine}" +
                 $"Raw Score: {matchResult.RawScore}{Environment.NewLine}" +
@@ -232,7 +235,7 @@ namespace Flow.Launcher.Test
             bool expectedPrecisionResult)
         {
             // When
-            var matcher = new StringMatcher {UserSettingSearchPrecision = expectedPrecisionScore};
+            var matcher = new StringMatcher(alphabet) {UserSettingSearchPrecision = expectedPrecisionScore};
 
             // Given
             var matchResult = matcher.FuzzyMatch(queryString, compareString);
@@ -241,12 +244,12 @@ namespace Flow.Launcher.Test
             Debug.WriteLine("###############################################");
             Debug.WriteLine($"QueryString: {queryString}     CompareString: {compareString}");
             Debug.WriteLine(
-                $"RAW SCORE: {matchResult.RawScore.ToString()}, PrecisionLevelSetAt: {expectedPrecisionScore} ({(int) expectedPrecisionScore})");
+                $"RAW SCORE: {matchResult.RawScore}, PrecisionLevelSetAt: {expectedPrecisionScore} ({(int) expectedPrecisionScore})");
             Debug.WriteLine("###############################################");
             Debug.WriteLine("");
 
             // Should
-            Assert.AreEqual(expectedPrecisionResult, matchResult.IsSearchPrecisionScoreMet(),
+            ClassicAssert.AreEqual(expectedPrecisionResult, matchResult.IsSearchPrecisionScoreMet(),
                 $"Query:{queryString}{Environment.NewLine} " +
                 $"Compare:{compareString}{Environment.NewLine}" +
                 $"Raw Score: {matchResult.RawScore}{Environment.NewLine}" +
@@ -260,7 +263,7 @@ namespace Flow.Launcher.Test
             string queryString, string compareString1, string compareString2)
         {
             // When
-            var matcher = new StringMatcher {UserSettingSearchPrecision = SearchPrecisionScore.Regular};
+            var matcher = new StringMatcher(alphabet) {UserSettingSearchPrecision = SearchPrecisionScore.Regular};
 
             // Given
             var compareString1Result = matcher.FuzzyMatch(queryString, compareString1);
@@ -277,7 +280,7 @@ namespace Flow.Launcher.Test
             Debug.WriteLine("");
 
             // Should
-            Assert.True(compareString1Result.Score > compareString2Result.Score,
+            ClassicAssert.True(compareString1Result.Score > compareString2Result.Score,
                 $"Query: \"{queryString}\"{Environment.NewLine} " +
                 $"CompareString1: \"{compareString1}\", Score: {compareString1Result.Score}{Environment.NewLine}" +
                 $"Should be greater than{Environment.NewLine}" +
@@ -293,7 +296,7 @@ namespace Flow.Launcher.Test
             string queryString, string compareString1, string compareString2)
         {
             // When
-            var matcher = new StringMatcher { UserSettingSearchPrecision = SearchPrecisionScore.Regular };
+            var matcher = new StringMatcher(alphabet) { UserSettingSearchPrecision = SearchPrecisionScore.Regular };
 
             // Given
             var compareString1Result = matcher.FuzzyMatch(queryString, compareString1);
@@ -310,7 +313,7 @@ namespace Flow.Launcher.Test
             Debug.WriteLine("");
 
             // Should
-            Assert.True(compareString1Result.Score > compareString2Result.Score,
+            ClassicAssert.True(compareString1Result.Score > compareString2Result.Score,
                 $"Query: \"{queryString}\"{Environment.NewLine} " +
                 $"CompareString1: \"{compareString1}\", Score: {compareString1Result.Score}{Environment.NewLine}" +
                 $"Should be greater than{Environment.NewLine}" +
@@ -323,7 +326,7 @@ namespace Flow.Launcher.Test
             string secondName, string secondDescription, string secondExecutableName)
         {
             // Act
-            var matcher = new StringMatcher();
+            var matcher = new StringMatcher(alphabet);
             var firstNameMatch = matcher.FuzzyMatch(queryString, firstName).RawScore;
             var firstDescriptionMatch = matcher.FuzzyMatch(queryString, firstDescription).RawScore;
             var firstExecutableNameMatch = matcher.FuzzyMatch(queryString, firstExecutableName).RawScore;
@@ -336,7 +339,7 @@ namespace Flow.Launcher.Test
             var secondScore = new[] {secondNameMatch, secondDescriptionMatch, secondExecutableNameMatch}.Max();
 
             // Assert
-            Assert.IsTrue(firstScore > secondScore,
+            ClassicAssert.IsTrue(firstScore > secondScore,
                 $"Query: \"{queryString}\"{Environment.NewLine} " +
                 $"Name of first: \"{firstName}\", Final Score: {firstScore}{Environment.NewLine}" +
                 $"Should be greater than{Environment.NewLine}" +
@@ -358,9 +361,9 @@ namespace Flow.Launcher.Test
         public void WhenGivenAnAcronymQuery_ShouldReturnAcronymScore(string queryString, string compareString,
             int desiredScore)
         {
-            var matcher = new StringMatcher();
+            var matcher = new StringMatcher(alphabet);
             var score = matcher.FuzzyMatch(queryString, compareString).Score;
-            Assert.IsTrue(score == desiredScore,
+            ClassicAssert.IsTrue(score == desiredScore,
                 $@"Query: ""{queryString}""
                    CompareString: ""{compareString}""
                    Score: {score}

Flow.Launcher.Test/HttpTest.cs

@@ -1,4 +1,5 @@
-using NUnit.Framework;
+using NUnit.Framework;
+using NUnit.Framework.Legacy;
 using System;
 using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.Infrastructure.Http;
@@ -16,16 +17,16 @@ namespace Flow.Launcher.Test
 
             proxy.Enabled = true;
             proxy.Server = "127.0.0.1";
-            Assert.AreEqual(Http.WebProxy.Address, new Uri($"http://{proxy.Server}:{proxy.Port}"));
-            Assert.IsNull(Http.WebProxy.Credentials);
+            ClassicAssert.AreEqual(Http.WebProxy.Address, new Uri($"http://{proxy.Server}:{proxy.Port}"));
+            ClassicAssert.IsNull(Http.WebProxy.Credentials);
 
             proxy.UserName = "test";
-            Assert.NotNull(Http.WebProxy.Credentials);
-            Assert.AreEqual(Http.WebProxy.Credentials.GetCredential(Http.WebProxy.Address, "Basic").UserName, proxy.UserName);
-            Assert.AreEqual(Http.WebProxy.Credentials.GetCredential(Http.WebProxy.Address, "Basic").Password, "");
+            ClassicAssert.NotNull(Http.WebProxy.Credentials);
+            ClassicAssert.AreEqual(Http.WebProxy.Credentials.GetCredential(Http.WebProxy.Address, "Basic").UserName, proxy.UserName);
+            ClassicAssert.AreEqual(Http.WebProxy.Credentials.GetCredential(Http.WebProxy.Address, "Basic").Password, "");
 
             proxy.Password = "test password";
-            Assert.AreEqual(Http.WebProxy.Credentials.GetCredential(Http.WebProxy.Address, "Basic").Password, proxy.Password);
+            ClassicAssert.AreEqual(Http.WebProxy.Credentials.GetCredential(Http.WebProxy.Address, "Basic").Password, proxy.Password);
         }
     }
 }

Flow.Launcher.Test/PluginLoadTest.cs

@@ -1,4 +1,5 @@
 using NUnit.Framework;
+using NUnit.Framework.Legacy;
 using Flow.Launcher.Core.Plugin;
 using Flow.Launcher.Plugin;
 using System.Collections.Generic;
@@ -15,37 +16,37 @@ namespace Flow.Launcher.Test
             // Given
             var duplicateList = new List<PluginMetadata>
             {
-                new PluginMetadata
+                new()
                 {
                     ID = "CEA0TYUC6D3B4085823D60DC76F28855",
                     Version = "1.0.0"
                 },
-                new PluginMetadata
+                new()
                 {
                     ID = "CEA0TYUC6D3B4085823D60DC76F28855",
                     Version = "1.0.1"
                 },
-                new PluginMetadata
+                new()
                 {
                     ID = "CEA0TYUC6D3B4085823D60DC76F28855",
                     Version = "1.0.2"
                 },
-                new PluginMetadata
+                new()
                 {
                     ID = "CEA0TYUC6D3B4085823D60DC76F28855",
                     Version = "1.0.0"
                 },
-                new PluginMetadata
+                new()
                 {
                     ID = "CEA0TYUC6D3B4085823D60DC76F28855",
                     Version = "1.0.0"
                 },
-                new PluginMetadata
+                new()
                 {
                     ID = "ABC0TYUC6D3B7855823D60DC76F28855",
                     Version = "1.0.0"
                 },
-                new PluginMetadata
+                new()
                 {
                     ID = "ABC0TYUC6D3B7855823D60DC76F28855",
                     Version = "1.0.0"
@@ -56,11 +57,11 @@ namespace Flow.Launcher.Test
             (var unique, var duplicates) = PluginConfig.GetUniqueLatestPluginMetadata(duplicateList);
             
             // Then
-            Assert.True(unique.FirstOrDefault().ID == "CEA0TYUC6D3B4085823D60DC76F28855" && unique.FirstOrDefault().Version == "1.0.2");
-            Assert.True(unique.Count() == 1);
+            ClassicAssert.True(unique.FirstOrDefault().ID == "CEA0TYUC6D3B4085823D60DC76F28855" && unique.FirstOrDefault().Version == "1.0.2");
+            ClassicAssert.True(unique.Count == 1);
 
-            Assert.False(duplicates.Any(x => x.Version == "1.0.2" && x.ID == "CEA0TYUC6D3B4085823D60DC76F28855"));
-            Assert.True(duplicates.Count() == 6);
+            ClassicAssert.False(duplicates.Any(x => x.Version == "1.0.2" && x.ID == "CEA0TYUC6D3B4085823D60DC76F28855"));
+            ClassicAssert.True(duplicates.Count == 6);
         }
 
         [Test]
@@ -69,12 +70,12 @@ namespace Flow.Launcher.Test
             // Given
             var duplicateList = new List<PluginMetadata>
             {
-                new PluginMetadata
+                new()
                 {
                     ID = "CEA0TYUC6D3B7855823D60DC76F28855",
                     Version = "1.0.0"
                 },
-                new PluginMetadata
+                new()
                 {
                     ID = "CEA0TYUC6D3B7855823D60DC76F28855",
                     Version = "1.0.0"
@@ -85,8 +86,8 @@ namespace Flow.Launcher.Test
             (var unique, var duplicates) = PluginConfig.GetUniqueLatestPluginMetadata(duplicateList);
 
             // Then
-            Assert.True(unique.Count() == 0);
-            Assert.True(duplicates.Count() == 2);
+            ClassicAssert.True(unique.Count == 0);
+            ClassicAssert.True(duplicates.Count == 2);
         }
     }
 }

Flow.Launcher.Test/Plugins/ExplorerTest.cs

@@ -5,12 +5,10 @@ using Flow.Launcher.Plugin.Explorer.Search.DirectoryInfo;
 using Flow.Launcher.Plugin.Explorer.Search.WindowsIndex;
 using Flow.Launcher.Plugin.SharedCommands;
 using NUnit.Framework;
+using NUnit.Framework.Legacy;
 using System;
-using System.Collections.Generic;
 using System.IO;
 using System.Runtime.Versioning;
-using System.Threading;
-using System.Threading.Tasks;
 using static Flow.Launcher.Plugin.Explorer.Search.SearchManager;
 
 namespace Flow.Launcher.Test.Plugins
@@ -22,28 +20,6 @@ namespace Flow.Launcher.Test.Plugins
     [TestFixture]
     public class ExplorerTest
     {
-#pragma warning disable CS1998 // async method with no await (more readable to leave it async to match the tested signature)
-        private async Task<List<Result>> MethodWindowsIndexSearchReturnsZeroResultsAsync(Query dummyQuery, string dummyString, CancellationToken dummyToken)
-        {
-            return new List<Result>();
-        }
-#pragma warning restore CS1998
-
-        private List<Result> MethodDirectoryInfoClassSearchReturnsTwoResults(Query dummyQuery, string dummyString, CancellationToken token)
-        {
-            return new List<Result>
-            {
-                new Result
-                {
-                    Title = "Result 1"
-                },
-                new Result
-                {
-                    Title = "Result 2"
-                }
-            };
-        }
-
         private bool PreviousLocationExistsReturnsTrue(string dummyString) => true;
 
         private bool PreviousLocationNotExistReturnsFalse(string dummyString) => false;
@@ -57,7 +33,7 @@ namespace Flow.Launcher.Test.Plugins
             var result = QueryConstructor.TopLevelDirectoryConstraint(folderPath);
 
             // Then
-            Assert.IsTrue(result == expectedString,
+            ClassicAssert.IsTrue(result == expectedString,
                 $"Expected QueryWhereRestrictions string: {expectedString}{Environment.NewLine} " +
                 $"Actual: {result}{Environment.NewLine}");
         }
@@ -74,7 +50,7 @@ namespace Flow.Launcher.Test.Plugins
             var queryString = queryConstructor.Directory(folderPath);
 
             // Then
-            Assert.IsTrue(queryString.Replace("  ", " ") == expectedString.Replace("  ", " "),
+            ClassicAssert.IsTrue(queryString.Replace("  ", " ") == expectedString.Replace("  ", " "),
                 $"Expected string: {expectedString}{Environment.NewLine} " +
                 $"Actual string was: {queryString}{Environment.NewLine}");
         }
@@ -94,7 +70,7 @@ namespace Flow.Launcher.Test.Plugins
             var queryString = queryConstructor.Directory(folderPath, userSearchString);
 
             // Then
-            Assert.AreEqual(expectedString, queryString);
+            ClassicAssert.AreEqual(expectedString, queryString);
         }
 
         [SupportedOSPlatform("windows7.0")]
@@ -105,7 +81,7 @@ namespace Flow.Launcher.Test.Plugins
             const string resultString = QueryConstructor.RestrictionsForAllFilesAndFoldersSearch;
 
             // Then
-            Assert.AreEqual(expectedString, resultString);
+            ClassicAssert.AreEqual(expectedString, resultString);
         }
 
         [SupportedOSPlatform("windows7.0")]
@@ -128,7 +104,7 @@ namespace Flow.Launcher.Test.Plugins
             var resultString = queryConstructor.FilesAndFolders(userSearchString);
 
             // Then
-            Assert.AreEqual(expectedString, resultString);
+            ClassicAssert.AreEqual(expectedString, resultString);
         }
 
 
@@ -138,13 +114,13 @@ namespace Flow.Launcher.Test.Plugins
             string querySearchString, string expectedString)
         {
             // Given
-            var queryConstructor = new QueryConstructor(new Settings());
+            _ = new QueryConstructor(new Settings());
 
             //When
             var resultString = QueryConstructor.RestrictionsForFileContentSearch(querySearchString);
 
             // Then
-            Assert.IsTrue(resultString == expectedString,
+            ClassicAssert.IsTrue(resultString == expectedString,
                 $"Expected QueryWhereRestrictions string: {expectedString}{Environment.NewLine} " +
                 $"Actual string was: {resultString}{Environment.NewLine}");
         }
@@ -162,12 +138,12 @@ namespace Flow.Launcher.Test.Plugins
             var resultString = queryConstructor.FileContent(userSearchString);
 
             // Then
-            Assert.IsTrue(resultString == expectedString,
+            ClassicAssert.IsTrue(resultString == expectedString,
                 $"Expected query string: {expectedString}{Environment.NewLine} " +
                 $"Actual string was: {resultString}{Environment.NewLine}");
         }
 
-        public void GivenQuery_WhenActionKeywordForFileContentSearchExists_ThenFileContentSearchRequiredShouldReturnTrue()
+        public static void GivenQuery_WhenActionKeywordForFileContentSearchExists_ThenFileContentSearchRequiredShouldReturnTrue()
         {
             // Given
             var query = new Query
@@ -181,7 +157,7 @@ namespace Flow.Launcher.Test.Plugins
             var result = searchManager.IsFileContentSearch(query.ActionKeyword);
 
             // Then
-            Assert.IsTrue(result,
+            ClassicAssert.IsTrue(result,
                 $"Expected True for file content search. {Environment.NewLine} " +
                 $"Actual result was: {result}{Environment.NewLine}");
         }
@@ -206,7 +182,7 @@ namespace Flow.Launcher.Test.Plugins
             var result = FilesFolders.IsLocationPathString(querySearchString);
 
             //Then
-            Assert.IsTrue(result == expectedResult,
+            ClassicAssert.IsTrue(result == expectedResult,
                 $"Expected query search string check result is: {expectedResult} {Environment.NewLine} " +
                 $"Actual check result is {result} {Environment.NewLine}");
 
@@ -233,7 +209,7 @@ namespace Flow.Launcher.Test.Plugins
             var previousDirectoryPath = FilesFolders.GetPreviousExistingDirectory(previousLocationExists, path);
 
             //Then
-            Assert.IsTrue(previousDirectoryPath == expectedString,
+            ClassicAssert.IsTrue(previousDirectoryPath == expectedString,
                 $"Expected path string: {expectedString} {Environment.NewLine} " +
                 $"Actual path string is {previousDirectoryPath} {Environment.NewLine}");
         }
@@ -246,7 +222,7 @@ namespace Flow.Launcher.Test.Plugins
             var returnedPath = FilesFolders.ReturnPreviousDirectoryIfIncompleteString(path);
 
             //Then
-            Assert.IsTrue(returnedPath == expectedString,
+            ClassicAssert.IsTrue(returnedPath == expectedString,
                 $"Expected path string: {expectedString} {Environment.NewLine} " +
                 $"Actual path string is {returnedPath} {Environment.NewLine}");
         }
@@ -260,7 +236,7 @@ namespace Flow.Launcher.Test.Plugins
             var resultString = QueryConstructor.RecursiveDirectoryConstraint(path);
 
             // Then
-            Assert.AreEqual(expectedString, resultString);
+            ClassicAssert.AreEqual(expectedString, resultString);
         }
 
         [SupportedOSPlatform("windows7.0")]
@@ -274,7 +250,7 @@ namespace Flow.Launcher.Test.Plugins
             var resultString = DirectoryInfoSearch.ConstructSearchCriteria(path);
 
             // Then
-            Assert.AreEqual(expectedString, resultString);
+            ClassicAssert.AreEqual(expectedString, resultString);
         }
 
         [TestCase("c:\\somefolder\\someotherfolder", ResultType.Folder, "irrelevant", false, true, "c:\\somefolder\\someotherfolder\\")]
@@ -305,7 +281,7 @@ namespace Flow.Launcher.Test.Plugins
             var result = ResultManager.GetPathWithActionKeyword(path, type, actionKeyword);
 
             // Then
-            Assert.AreEqual(result, expectedResult);
+            ClassicAssert.AreEqual(result, expectedResult);
         }
 
         [TestCase("c:\\somefolder\\somefile", ResultType.File, "irrelevant", false, true, "e c:\\somefolder\\somefile")]
@@ -334,7 +310,7 @@ namespace Flow.Launcher.Test.Plugins
             var result = ResultManager.GetPathWithActionKeyword(path, type, actionKeyword);
 
             // Then
-            Assert.AreEqual(result, expectedResult);
+            ClassicAssert.AreEqual(result, expectedResult);
         }
 
         [TestCase("somefolder", "c:\\somefolder\\", ResultType.Folder, "q", false, false, "q somefolder")]
@@ -366,7 +342,7 @@ namespace Flow.Launcher.Test.Plugins
             var result = ResultManager.GetAutoCompleteText(title, query, path, resultType);
 
             // Then
-            Assert.AreEqual(result, expectedResult);
+            ClassicAssert.AreEqual(result, expectedResult);
         }
 
         [TestCase("somefile", "c:\\somefolder\\somefile", ResultType.File, "q", false, false, "q somefile")]
@@ -398,7 +374,7 @@ namespace Flow.Launcher.Test.Plugins
             var result = ResultManager.GetAutoCompleteText(title, query, path, resultType);
 
             // Then
-            Assert.AreEqual(result, expectedResult);
+            ClassicAssert.AreEqual(result, expectedResult);
         }
 
         [TestCase(@"c:\foo", @"c:\foo", true)]
@@ -420,7 +396,7 @@ namespace Flow.Launcher.Test.Plugins
             };
 
             // When, Then
-            Assert.AreEqual(expectedResult, comparator.Equals(result1, result2));
+            ClassicAssert.AreEqual(expectedResult, comparator.Equals(result1, result2));
         }
 
         [TestCase(@"c:\foo\", @"c:\foo\")]
@@ -444,7 +420,7 @@ namespace Flow.Launcher.Test.Plugins
             var hash2 = comparator.GetHashCode(result2);
 
             // When, Then
-            Assert.IsTrue(hash1 == hash2);
+            ClassicAssert.IsTrue(hash1 == hash2);
         }
 
         [TestCase(@"%appdata%", true)]
@@ -461,7 +437,7 @@ namespace Flow.Launcher.Test.Plugins
             var result = EnvironmentVariables.HasEnvironmentVar(path);
 
             // Then
-            Assert.AreEqual(result, expectedResult);
+            ClassicAssert.AreEqual(result, expectedResult);
         }
     }
 }

Flow.Launcher.Test/Plugins/JsonRPCPluginTest.cs

@@ -1,12 +1,11 @@
-using NUnit.Framework;
+using NUnit.Framework;
+using NUnit.Framework.Legacy;
 using Flow.Launcher.Core.Plugin;
 using Flow.Launcher.Plugin;
 using System.Threading.Tasks;
 using System.IO;
 using System.Threading;
 using System.Text;
-using System.Text.Json;
-using System.Linq;
 using System.Collections.Generic;
 
 namespace Flow.Launcher.Test.Plugins
@@ -40,13 +39,13 @@ namespace Flow.Launcher.Test.Plugins
                 Search = resultText
             }, default);
 
-            Assert.IsNotNull(results);
+            ClassicAssert.IsNotNull(results);
 
             foreach (var result in results)
             {
-                Assert.IsNotNull(result);
-                Assert.IsNotNull(result.AsyncAction);
-                Assert.IsNotNull(result.Title);
+                ClassicAssert.IsNotNull(result);
+                ClassicAssert.IsNotNull(result.AsyncAction);
+                ClassicAssert.IsNotNull(result.Title);
             }
 
         }
@@ -56,35 +55,11 @@ namespace Flow.Launcher.Test.Plugins
             new JsonRPCQueryResponseModel(0, new List<JsonRPCResult>()),
             new JsonRPCQueryResponseModel(0, new List<JsonRPCResult>
             {
-                new JsonRPCResult
+                new()
                 {
                     Title = "Test1", SubTitle = "Test2"
                 }
             })
         };
-
-        [TestCaseSource(typeof(JsonRPCPluginTest), nameof(ResponseModelsSource))]
-        public async Task GivenModel_WhenSerializeWithDifferentNamingPolicy_ThenExpectSameResult_Async(JsonRPCQueryResponseModel reference)
-        {
-            var camelText = JsonSerializer.Serialize(reference, new JsonSerializerOptions() { PropertyNamingPolicy = JsonNamingPolicy.CamelCase });
-
-            var pascalText = JsonSerializer.Serialize(reference);
-
-            var results1 = await QueryAsync(new Query { Search = camelText }, default);
-            var results2 = await QueryAsync(new Query { Search = pascalText }, default);
-
-            Assert.IsNotNull(results1);
-            Assert.IsNotNull(results2);
-
-            foreach (var ((result1, result2), referenceResult) in results1.Zip(results2).Zip(reference.Result))
-            {
-                Assert.AreEqual(result1, result2);
-                Assert.AreEqual(result1, referenceResult);
-
-                Assert.IsNotNull(result1);
-                Assert.IsNotNull(result1.AsyncAction);
-            }
-        }
-
     }
 }

Flow.Launcher.Test/Plugins/UrlPluginTest.cs

@@ -1,7 +1,8 @@
 using NUnit.Framework;
+using NUnit.Framework.Legacy;
 using Flow.Launcher.Plugin.Url;
 
-namespace Flow.Launcher.Test
+namespace Flow.Launcher.Test.Plugins
 {
     [TestFixture]
     public class UrlPluginTest
@@ -10,23 +11,23 @@ namespace Flow.Launcher.Test
         public void URLMatchTest()
         {
             var plugin = new Main();
-            Assert.IsTrue(plugin.IsURL("http://www.google.com"));
-            Assert.IsTrue(plugin.IsURL("https://www.google.com"));
-            Assert.IsTrue(plugin.IsURL("http://google.com"));
-            Assert.IsTrue(plugin.IsURL("www.google.com"));
-            Assert.IsTrue(plugin.IsURL("google.com"));
-            Assert.IsTrue(plugin.IsURL("http://localhost"));
-            Assert.IsTrue(plugin.IsURL("https://localhost"));
-            Assert.IsTrue(plugin.IsURL("http://localhost:80"));
-            Assert.IsTrue(plugin.IsURL("https://localhost:80"));
-            Assert.IsTrue(plugin.IsURL("http://110.10.10.10"));
-            Assert.IsTrue(plugin.IsURL("110.10.10.10"));
-            Assert.IsTrue(plugin.IsURL("ftp://110.10.10.10"));
+            ClassicAssert.IsTrue(plugin.IsURL("http://www.google.com"));
+            ClassicAssert.IsTrue(plugin.IsURL("https://www.google.com"));
+            ClassicAssert.IsTrue(plugin.IsURL("http://google.com"));
+            ClassicAssert.IsTrue(plugin.IsURL("www.google.com"));
+            ClassicAssert.IsTrue(plugin.IsURL("google.com"));
+            ClassicAssert.IsTrue(plugin.IsURL("http://localhost"));
+            ClassicAssert.IsTrue(plugin.IsURL("https://localhost"));
+            ClassicAssert.IsTrue(plugin.IsURL("http://localhost:80"));
+            ClassicAssert.IsTrue(plugin.IsURL("https://localhost:80"));
+            ClassicAssert.IsTrue(plugin.IsURL("http://110.10.10.10"));
+            ClassicAssert.IsTrue(plugin.IsURL("110.10.10.10"));
+            ClassicAssert.IsTrue(plugin.IsURL("ftp://110.10.10.10"));
 
 
-            Assert.IsFalse(plugin.IsURL("wwww"));
-            Assert.IsFalse(plugin.IsURL("wwww.c"));
-            Assert.IsFalse(plugin.IsURL("wwww.c"));
+            ClassicAssert.IsFalse(plugin.IsURL("wwww"));
+            ClassicAssert.IsFalse(plugin.IsURL("wwww.c"));
+            ClassicAssert.IsFalse(plugin.IsURL("wwww.c"));
         }
     }
 }

Flow.Launcher.Test/QueryBuilderTest.cs

@@ -1,5 +1,6 @@
 using System.Collections.Generic;
 using NUnit.Framework;
+using NUnit.Framework.Legacy;
 using Flow.Launcher.Core.Plugin;
 using Flow.Launcher.Plugin;
 
@@ -17,17 +18,17 @@ namespace Flow.Launcher.Test
 
             Query q = QueryBuilder.Build(">   ping    google.com   -n 20  -6", nonGlobalPlugins);
 
-            Assert.AreEqual(">   ping    google.com   -n 20  -6", q.RawQuery);
-            Assert.AreEqual("ping    google.com   -n 20  -6", q.Search, "Search should not start with the ActionKeyword.");
-            Assert.AreEqual(">", q.ActionKeyword);
+            ClassicAssert.AreEqual(">   ping    google.com   -n 20  -6", q.RawQuery);
+            ClassicAssert.AreEqual("ping    google.com   -n 20  -6", q.Search, "Search should not start with the ActionKeyword.");
+            ClassicAssert.AreEqual(">", q.ActionKeyword);
 
-            Assert.AreEqual(5, q.SearchTerms.Length, "The length of SearchTerms should match.");
+            ClassicAssert.AreEqual(5, q.SearchTerms.Length, "The length of SearchTerms should match.");
 
-            Assert.AreEqual("ping", q.FirstSearch);
-            Assert.AreEqual("google.com", q.SecondSearch);
-            Assert.AreEqual("-n", q.ThirdSearch);
+            ClassicAssert.AreEqual("ping", q.FirstSearch);
+            ClassicAssert.AreEqual("google.com", q.SecondSearch);
+            ClassicAssert.AreEqual("-n", q.ThirdSearch);
 
-            Assert.AreEqual("google.com -n 20 -6", q.SecondToEndSearch, "SecondToEndSearch should be trimmed of multiple whitespace characters");
+            ClassicAssert.AreEqual("google.com -n 20 -6", q.SecondToEndSearch, "SecondToEndSearch should be trimmed of multiple whitespace characters");
         }
 
         [Test]
@@ -40,11 +41,11 @@ namespace Flow.Launcher.Test
 
             Query q = QueryBuilder.Build(">   ping    google.com   -n 20  -6", nonGlobalPlugins);
 
-            Assert.AreEqual(">   ping    google.com   -n 20  -6", q.Search);
-            Assert.AreEqual(q.Search, q.RawQuery, "RawQuery should be equal to Search.");
-            Assert.AreEqual(6, q.SearchTerms.Length, "The length of SearchTerms should match.");
-            Assert.AreNotEqual(">", q.ActionKeyword, "ActionKeyword should not match that of a disabled plugin.");
-            Assert.AreEqual("ping google.com -n 20 -6", q.SecondToEndSearch, "SecondToEndSearch should be trimmed of multiple whitespace characters");
+            ClassicAssert.AreEqual(">   ping    google.com   -n 20  -6", q.Search);
+            ClassicAssert.AreEqual(q.Search, q.RawQuery, "RawQuery should be equal to Search.");
+            ClassicAssert.AreEqual(6, q.SearchTerms.Length, "The length of SearchTerms should match.");
+            ClassicAssert.AreNotEqual(">", q.ActionKeyword, "ActionKeyword should not match that of a disabled plugin.");
+            ClassicAssert.AreEqual("ping google.com -n 20 -6", q.SecondToEndSearch, "SecondToEndSearch should be trimmed of multiple whitespace characters");
         }
 
         [Test]
@@ -52,13 +53,13 @@ namespace Flow.Launcher.Test
         {
             Query q = QueryBuilder.Build("file.txt file2 file3", new Dictionary<string, PluginPair>());
 
-            Assert.AreEqual("file.txt file2 file3", q.Search);
-            Assert.AreEqual("", q.ActionKeyword);
+            ClassicAssert.AreEqual("file.txt file2 file3", q.Search);
+            ClassicAssert.AreEqual("", q.ActionKeyword);
 
-            Assert.AreEqual("file.txt", q.FirstSearch);
-            Assert.AreEqual("file2", q.SecondSearch);
-            Assert.AreEqual("file3", q.ThirdSearch);
-            Assert.AreEqual("file2 file3", q.SecondToEndSearch);
+            ClassicAssert.AreEqual("file.txt", q.FirstSearch);
+            ClassicAssert.AreEqual("file2", q.SecondSearch);
+            ClassicAssert.AreEqual("file3", q.ThirdSearch);
+            ClassicAssert.AreEqual("file2 file3", q.SecondToEndSearch);
         }
     }
 }

Flow.Launcher/ActionKeywords.xaml.cs

@@ -44,7 +44,7 @@ namespace Flow.Launcher
             else
             {
                 string msg = translater.GetTranslation("newActionKeywordsHasBeenAssigned");
-                MessageBoxEx.Show(msg);
+                App.API.ShowMsgBox(msg);
             }
         }
     }

Flow.Launcher/App.xaml.cs

@@ -4,6 +4,7 @@ using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Windows;
+using CommunityToolkit.Mvvm.DependencyInjection;
 using Flow.Launcher.Core;
 using Flow.Launcher.Core.Configuration;
 using Flow.Launcher.Core.ExternalPlugins.Environments;
@@ -14,24 +15,85 @@ using Flow.Launcher.Infrastructure;
 using Flow.Launcher.Infrastructure.Http;
 using Flow.Launcher.Infrastructure.Image;
 using Flow.Launcher.Infrastructure.Logger;
+using Flow.Launcher.Infrastructure.Storage;
 using Flow.Launcher.Infrastructure.UserSettings;
+using Flow.Launcher.Plugin;
 using Flow.Launcher.ViewModel;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
 using Stopwatch = Flow.Launcher.Infrastructure.Stopwatch;
 
 namespace Flow.Launcher
 {
     public partial class App : IDisposable, ISingleInstanceApp
     {
-        public static PublicAPIInstance API { get; private set; }
+        public static IPublicAPI API { get; private set; }
         private const string Unique = "Flow.Launcher_Unique_Application_Mutex";
         private static bool _disposed;
-        private Settings _settings;
-        private MainViewModel _mainVM;
-        private SettingWindowViewModel _settingsVM;
-        private readonly Updater _updater = new Updater(Flow.Launcher.Properties.Settings.Default.GithubRepo);
-        private readonly Portable _portable = new Portable();
-        private readonly PinyinAlphabet _alphabet = new PinyinAlphabet();
-        private StringMatcher _stringMatcher;
+        private readonly Settings _settings;
+
+        public App()
+        {
+            // Initialize settings
+            try
+            {
+                var storage = new FlowLauncherJsonStorage<Settings>();
+                _settings = storage.Load();
+                _settings.SetStorage(storage);
+                _settings.WMPInstalled = WindowsMediaPlayerHelper.IsWindowsMediaPlayerInstalled();
+            }
+            catch (Exception e)
+            {
+                ShowErrorMsgBoxAndFailFast("Cannot load setting storage, please check local data directory", e);
+                return;
+            }
+
+            // Configure the dependency injection container
+            try
+            {
+                var host = Host.CreateDefaultBuilder()
+                    .UseContentRoot(AppContext.BaseDirectory)
+                    .ConfigureServices(services => services
+                        .AddSingleton(_ => _settings)
+                        .AddSingleton(sp => new Updater(sp.GetRequiredService<IPublicAPI>(), Launcher.Properties.Settings.Default.GithubRepo))
+                        .AddSingleton<Portable>()
+                        .AddSingleton<SettingWindowViewModel>()
+                        .AddSingleton<IAlphabet, PinyinAlphabet>()
+                        .AddSingleton<StringMatcher>()
+                        .AddSingleton<Internationalization>()
+                        .AddSingleton<IPublicAPI, PublicAPIInstance>()
+                        .AddSingleton<MainViewModel>()
+                        .AddSingleton<Theme>()
+                    ).Build();
+                Ioc.Default.ConfigureServices(host.Services);
+            }
+            catch (Exception e)
+            {
+                ShowErrorMsgBoxAndFailFast("Cannot configure dependency injection container, please open new issue in Flow.Launcher", e);
+                return;
+            }
+
+            // Initialize the public API and Settings first
+            try
+            {
+                API = Ioc.Default.GetRequiredService<IPublicAPI>();
+                _settings.Initialize();
+            }
+            catch (Exception e)
+            {
+                ShowErrorMsgBoxAndFailFast("Cannot initialize api and settings, please open new issue in Flow.Launcher", e);
+                return;
+            }
+        }
+
+        private 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);
+        }
 
         [STAThread]
         public static void Main()
@@ -50,52 +112,42 @@ namespace Flow.Launcher
         {
             await Stopwatch.NormalAsync("|App.OnStartup|Startup cost", async () =>
             {
-                _portable.PreStartCleanUpAfterPortabilityUpdate();
+                Log.SetLogLevel(_settings.LogLevel);
 
-                Log.Info(
-                    "|App.OnStartup|Begin Flow Launcher startup ----------------------------------------------------");
+                Ioc.Default.GetRequiredService<Portable>().PreStartCleanUpAfterPortabilityUpdate();
+
+                Log.Info("|App.OnStartup|Begin Flow Launcher startup ----------------------------------------------------");
                 Log.Info($"|App.OnStartup|Runtime info:{ErrorReporting.RuntimeInfo()}");
+
                 RegisterAppDomainExceptions();
                 RegisterDispatcherUnhandledException();
 
                 var imageLoadertask = ImageLoader.InitializeAsync();
 
-                _settingsVM = new SettingWindowViewModel(_updater, _portable);
-                _settings = _settingsVM.Settings;
-                _settings.WMPInstalled =  WindowsMediaPlayerHelper.IsWindowsMediaPlayerInstalled();
-
                 AbstractPluginEnvironment.PreStartPluginExecutablePathUpdate(_settings);
 
-                _alphabet.Initialize(_settings);
-                _stringMatcher = new StringMatcher(_alphabet);
-                StringMatcher.Instance = _stringMatcher;
-                _stringMatcher.UserSettingSearchPrecision = _settings.QuerySearchPrecision;
-
-                InternationalizationManager.Instance.Settings = _settings;
+                // TODO: Clean InternationalizationManager.Instance and InternationalizationManager.Instance.GetTranslation in future
                 InternationalizationManager.Instance.ChangeLanguage(_settings.Language);
 
                 PluginManager.LoadPlugins(_settings.PluginSettings);
-                _mainVM = new MainViewModel(_settings);
 
-                API = new PublicAPIInstance(_settingsVM, _mainVM, _alphabet);
-
-                Http.API = API;
                 Http.Proxy = _settings.Proxy;
 
-                await PluginManager.InitializePluginsAsync(API);
+                await PluginManager.InitializePluginsAsync();
                 await imageLoadertask;
 
-                var window = new MainWindow(_settings, _mainVM);
+                var mainVM = Ioc.Default.GetRequiredService<MainViewModel>();
+                var window = new MainWindow(_settings, mainVM);
 
                 Log.Info($"|App.OnStartup|Dependencies Info:{ErrorReporting.DependenciesInfo()}");
 
                 Current.MainWindow = window;
                 Current.MainWindow.Title = Constant.FlowLauncher;
 
-                HotKeyMapper.Initialize(_mainVM);
+                HotKeyMapper.Initialize();
 
                 // main windows needs initialized before theme change because of blur settings
-                ThemeManager.Instance.Settings = _settings;
+                // TODO: Clean ThemeManager.Instance in future
                 ThemeManager.Instance.ChangeTheme(_settings.Theme);
 
                 Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
@@ -119,7 +171,14 @@ namespace Flow.Launcher
             {
                 try
                 {
-                    Helper.AutoStartup.Enable();
+                    if (_settings.UseLogonTaskForStartup)
+                    {
+                        Helper.AutoStartup.EnableViaLogonTask();
+                    }
+                    else
+                    {
+                        Helper.AutoStartup.EnableViaRegistry();
+                    }
                 }
                 catch (Exception e)
                 {
@@ -141,11 +200,11 @@ namespace Flow.Launcher
                 {
                     // check update every 5 hours
                     var timer = new PeriodicTimer(TimeSpan.FromHours(5));
-                    await _updater.UpdateAppAsync(API);
+                    await Ioc.Default.GetRequiredService<Updater>().UpdateAppAsync();
 
                     while (await timer.WaitForNextTickAsync())
                         // check updates on startup
-                        await _updater.UpdateAppAsync(API);
+                        await Ioc.Default.GetRequiredService<Updater>().UpdateAppAsync();
                 }
             });
         }
@@ -188,7 +247,7 @@ namespace Flow.Launcher
 
         public void OnSecondAppStarted()
         {
-            _mainVM.Show();
+            Ioc.Default.GetRequiredService<MainViewModel>().Show();
         }
     }
 }

Flow.Launcher/CustomQueryHotkeySetting.xaml

@@ -32,14 +32,11 @@
             <StackPanel>
                 <Grid>
                     <Grid.ColumnDefinitions>
-                        <ColumnDefinition Width="Auto" />
                         <ColumnDefinition Width="*" />
                         <ColumnDefinition Width="Auto" />
-                        <ColumnDefinition Width="Auto" />
-                        <ColumnDefinition Width="Auto" />
                     </Grid.ColumnDefinitions>
                     <Button
-                        Grid.Column="4"
+                        Grid.Column="1"
                         Click="BtnCancel_OnClick"
                         Style="{StaticResource TitleBarCloseButtonStyle}">
                         <Path

Flow.Launcher/CustomQueryHotkeySetting.xaml.cs

@@ -6,21 +6,18 @@ using System.Linq;
 using System.Windows;
 using System.Windows.Input;
 using System.Windows.Controls;
-using Flow.Launcher.Core;
 
 namespace Flow.Launcher
 {
     public partial class CustomQueryHotkeySetting : Window
     {
-        private SettingWindow _settingWidow;
+        private readonly Settings _settings;
         private bool update;
         private CustomPluginHotkey updateCustomHotkey;
-        public Settings Settings { get; }
 
-        public CustomQueryHotkeySetting(SettingWindow settingWidow, Settings settings)
+        public CustomQueryHotkeySetting(Settings settings)
         {
-            _settingWidow = settingWidow;
-            Settings = settings;
+            _settings = settings;
             InitializeComponent();
         }
 
@@ -33,13 +30,13 @@ namespace Flow.Launcher
         {
             if (!update)
             {
-                Settings.CustomPluginHotkeys ??= new ObservableCollection<CustomPluginHotkey>();
+                _settings.CustomPluginHotkeys ??= new ObservableCollection<CustomPluginHotkey>();
 
                 var pluginHotkey = new CustomPluginHotkey
                 {
                     Hotkey = HotkeyControl.CurrentHotkey.ToString(), ActionKeyword = tbAction.Text
                 };
-                Settings.CustomPluginHotkeys.Add(pluginHotkey);
+                _settings.CustomPluginHotkeys.Add(pluginHotkey);
 
                 HotKeyMapper.SetCustomQueryHotkey(pluginHotkey);
             }
@@ -59,11 +56,11 @@ namespace Flow.Launcher
 
         public void UpdateItem(CustomPluginHotkey item)
         {
-            updateCustomHotkey = Settings.CustomPluginHotkeys.FirstOrDefault(o =>
+            updateCustomHotkey = _settings.CustomPluginHotkeys.FirstOrDefault(o =>
                 o.ActionKeyword == item.ActionKeyword && o.Hotkey == item.Hotkey);
             if (updateCustomHotkey == null)
             {
-                MessageBoxEx.Show(InternationalizationManager.Instance.GetTranslation("invalidPluginHotkey"));
+                App.API.ShowMsgBox(InternationalizationManager.Instance.GetTranslation("invalidPluginHotkey"));
                 Close();
                 return;
             }
@@ -77,8 +74,7 @@ namespace Flow.Launcher
         private void BtnTestActionKeyword_OnClick(object sender, RoutedEventArgs e)
         {
             App.API.ChangeQuery(tbAction.Text);
-            Application.Current.MainWindow.Show();
-            Application.Current.MainWindow.Opacity = 1;
+            App.API.ShowMainWindow();
             Application.Current.MainWindow.Focus();
         }
 

Flow.Launcher/CustomShortcutSetting.xaml

@@ -30,14 +30,11 @@
             <StackPanel>
                 <Grid>
                     <Grid.ColumnDefinitions>
-                        <ColumnDefinition Width="Auto" />
                         <ColumnDefinition Width="*" />
                         <ColumnDefinition Width="Auto" />
-                        <ColumnDefinition Width="Auto" />
-                        <ColumnDefinition Width="Auto" />
                     </Grid.ColumnDefinitions>
                     <Button
-                        Grid.Column="4"
+                        Grid.Column="1"
                         Click="BtnCancel_OnClick"
                         Style="{StaticResource TitleBarCloseButtonStyle}">
                         <Path

Flow.Launcher/CustomShortcutSetting.xaml.cs

@@ -43,13 +43,13 @@ namespace Flow.Launcher
         {
             if (String.IsNullOrEmpty(Key) || String.IsNullOrEmpty(Value))
             {
-                MessageBoxEx.Show(InternationalizationManager.Instance.GetTranslation("emptyShortcut"));
+                App.API.ShowMsgBox(InternationalizationManager.Instance.GetTranslation("emptyShortcut"));
                 return;
             }
             // Check if key is modified or adding a new one
             if (((update && originalKey != Key) || !update) && _hotkeyVm.DoesShortcutExist(Key))
             {
-                MessageBoxEx.Show(InternationalizationManager.Instance.GetTranslation("duplicateShortcut"));
+                App.API.ShowMsgBox(InternationalizationManager.Instance.GetTranslation("duplicateShortcut"));
                 return;
             }
             DialogResult = !update || originalKey != Key || originalValue != Value;
@@ -65,8 +65,7 @@ namespace Flow.Launcher
         private void BtnTestShortcut_OnClick(object sender, RoutedEventArgs e)
         {
             App.API.ChangeQuery(tbExpand.Text);
-            Application.Current.MainWindow.Show();
-            Application.Current.MainWindow.Opacity = 1;
+            App.API.ShowMainWindow();
             Application.Current.MainWindow.Focus();
         }
     }

Flow.Launcher/Flow.Launcher.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
@@ -83,20 +83,29 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="ChefKeys" Version="0.1.2" />
     <PackageReference Include="CommunityToolkit.Mvvm" Version="8.4.0" />
     <PackageReference Include="Fody" Version="6.5.4">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="InputSimulator" Version="1.0.4" />
+    <!-- Do not upgrade Microsoft.Extensions.DependencyInjection and Microsoft.Extensions.Hosting since we are .Net7.0 -->
+    <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" />
     <PackageReference Include="NHotkey.Wpf" Version="3.0.0" />
     <PackageReference Include="PropertyChanged.Fody" Version="3.4.0" />
-    <PackageReference Include="SemanticVersioning" Version="3.0.0-beta2" />
-    <PackageReference Include="VirtualizingWrapPanel" Version="2.1.0" />
+    <PackageReference Include="SemanticVersioning" Version="3.0.0" />
+    <PackageReference Include="TaskScheduler" Version="2.12.1" />
+    <PackageReference Include="VirtualizingWrapPanel" Version="2.1.1" />
   </ItemGroup>
 
   <ItemGroup>

Flow.Launcher/Helper/AutoStartup.cs

@@ -1,18 +1,31 @@
 using System;
+using System.IO;
+using System.Linq;
+using System.Security.Principal;
 using Flow.Launcher.Infrastructure;
 using Flow.Launcher.Infrastructure.Logger;
 using Microsoft.Win32;
+using Microsoft.Win32.TaskScheduler;
 
 namespace Flow.Launcher.Helper;
 
 public class AutoStartup
 {
     private const string StartupPath = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Run";
+    private const string LogonTaskName = $"{Constant.FlowLauncher} Startup";
+    private const string LogonTaskDesc = $"{Constant.FlowLauncher} Auto Startup";
 
     public static bool IsEnabled
     {
         get
         {
+            // Check if logon task is enabled
+            if (CheckLogonTask())
+            {
+                return true;
+            }
+
+            // Check if registry is enabled
             try
             {
                 using var key = Registry.CurrentUser.OpenSubKey(StartupPath, true);
@@ -28,12 +41,74 @@ public class AutoStartup
         }
     }
 
-    public static void Disable()
+    private static bool CheckLogonTask()
+    {
+        using var taskService = new TaskService();
+        var task = taskService.RootFolder.AllTasks.FirstOrDefault(t => t.Name == LogonTaskName);
+        if (task != null)
+        {
+            try
+            {
+                // Check if the action is the same as the current executable path
+                var action = task.Definition.Actions.FirstOrDefault()!.ToString().Trim();
+                if (!Constant.ExecutablePath.Equals(action, StringComparison.OrdinalIgnoreCase) && !File.Exists(action))
+                {
+                    UnscheduleLogonTask();
+                    ScheduleLogonTask();
+                }
+
+                return true;
+            }
+            catch (Exception e)
+            {
+                Log.Error("AutoStartup", $"Failed to check logon task: {e}");
+            }
+        }
+
+        return false;
+    }
+
+    public static void DisableViaLogonTaskAndRegistry()
+    {
+        Disable(true);
+        Disable(false);
+    }
+
+    public static void EnableViaLogonTask()
+    {
+        Enable(true);
+    }
+
+    public static void EnableViaRegistry()
+    {
+        Enable(false);
+    }
+
+    public static void ChangeToViaLogonTask()
+    {
+        Disable(false);
+        Enable(true);
+    }
+
+    public static void ChangeToViaRegistry()
+    {
+        Disable(true);
+        Enable(false);
+    }
+
+    private static void Disable(bool logonTask)
     {
         try
         {
-            using var key = Registry.CurrentUser.OpenSubKey(StartupPath, true);
-            key?.DeleteValue(Constant.FlowLauncher, false);
+            if (logonTask)
+            {
+                UnscheduleLogonTask();
+            }
+            else
+            {
+                using var key = Registry.CurrentUser.OpenSubKey(StartupPath, true);
+                key?.DeleteValue(Constant.FlowLauncher, false);
+            }
         }
         catch (Exception e)
         {
@@ -42,12 +117,19 @@ public class AutoStartup
         }
     }
 
-    internal static void Enable()
+    private static void Enable(bool logonTask)
     {
         try
         {
-            using var key = Registry.CurrentUser.OpenSubKey(StartupPath, true);
-            key?.SetValue(Constant.FlowLauncher, $"\"{Constant.ExecutablePath}\"");
+            if (logonTask)
+            {
+                ScheduleLogonTask();
+            }
+            else
+            {
+                using var key = Registry.CurrentUser.OpenSubKey(StartupPath, true);
+                key?.SetValue(Constant.FlowLauncher, $"\"{Constant.ExecutablePath}\"");
+            }
         }
         catch (Exception e)
         {
@@ -55,4 +137,54 @@ public class AutoStartup
             throw;
         }
     }
+
+    private static bool ScheduleLogonTask()
+    {
+        using var td = TaskService.Instance.NewTask();
+        td.RegistrationInfo.Description = LogonTaskDesc;
+        td.Triggers.Add(new LogonTrigger { UserId = WindowsIdentity.GetCurrent().Name, Delay = TimeSpan.FromSeconds(2) });
+        td.Actions.Add(Constant.ExecutablePath);
+
+        if (IsCurrentUserIsAdmin())
+        {
+            td.Principal.RunLevel = TaskRunLevel.Highest;
+        }
+
+        td.Settings.StopIfGoingOnBatteries = false;
+        td.Settings.DisallowStartIfOnBatteries = false;
+        td.Settings.ExecutionTimeLimit = TimeSpan.Zero;
+
+        try
+        {
+            TaskService.Instance.RootFolder.RegisterTaskDefinition(LogonTaskName, td);
+            return true;
+        }
+        catch (Exception e)
+        {
+            Log.Error("AutoStartup", $"Failed to schedule logon task: {e}");
+            return false;
+        }
+    }
+
+    private static bool UnscheduleLogonTask()
+    {
+        using var taskService = new TaskService();
+        try
+        {
+            taskService.RootFolder.DeleteTask(LogonTaskName);
+            return true;
+        }
+        catch (Exception e)
+        {
+            Log.Error("AutoStartup", $"Failed to unschedule logon task: {e}");
+            return false;
+        }
+    }
+
+    private static bool IsCurrentUserIsAdmin()
+    {
+        var identity = WindowsIdentity.GetCurrent();
+        var principal = new WindowsPrincipal(identity);
+        return principal.IsInRole(WindowsBuiltInRole.Administrator);
+    }
 }

Flow.Launcher/Helper/DWMDropShadow.cs

@@ -1,20 +1,16 @@
 using System;
-using System.Drawing.Printing;
-using System.Runtime.InteropServices;
 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
 {
 
-    [DllImport("dwmapi.dll", PreserveSig = true)]
-    private static extern int DwmSetWindowAttribute(IntPtr hwnd, int attr, ref int attrValue, int attrSize);
-
-    [DllImport("dwmapi.dll")]
-    private static extern int DwmExtendFrameIntoClientArea(IntPtr hWnd, ref Margins pMarInset);
-
     /// <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,
@@ -43,24 +39,22 @@ public class DwmDropShadow
     /// </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 bool DropShadow(Window window)
+    private static unsafe bool DropShadow(Window window)
     {
         try
         {
             WindowInteropHelper helper = new WindowInteropHelper(window);
             int val = 2;
-            int ret1 = DwmSetWindowAttribute(helper.Handle, 2, ref val, 4);
+            var ret1 = PInvoke.DwmSetWindowAttribute(new (helper.Handle), DWMWINDOWATTRIBUTE.DWMWA_NCRENDERING_POLICY, &val, 4);
 
-            if (ret1 == 0)
+            if (ret1 == HRESULT.S_OK)
             {
-                Margins m = new Margins { Bottom = 0, Left = 0, Right = 0, Top = 0 };
-                int ret2 = DwmExtendFrameIntoClientArea(helper.Handle, ref m);
-                return ret2 == 0;
-            }
-            else
-            {
-                return false;
+                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)
         {

Flow.Launcher/Helper/HotKeyMapper.cs

@@ -5,7 +5,9 @@ using NHotkey;
 using NHotkey.Wpf;
 using Flow.Launcher.Core.Resource;
 using Flow.Launcher.ViewModel;
-using Flow.Launcher.Core;
+using ChefKeys;
+using Flow.Launcher.Infrastructure.Logger;
+using CommunityToolkit.Mvvm.DependencyInjection;
 
 namespace Flow.Launcher.Helper;
 
@@ -14,10 +16,10 @@ internal static class HotKeyMapper
     private static Settings _settings;
     private static MainViewModel _mainViewModel;
 
-    internal static void Initialize(MainViewModel mainVM)
+    internal static void Initialize()
     {
-        _mainViewModel = mainVM;
-        _settings = _mainViewModel.Settings;
+        _mainViewModel = Ioc.Default.GetRequiredService<MainViewModel>();
+        _settings = Ioc.Default.GetService<Settings>();
 
         SetHotkey(_settings.Hotkey, OnToggleHotkey);
         LoadCustomPluginHotkey();
@@ -29,33 +31,92 @@ internal static class HotKeyMapper
             _mainViewModel.ToggleFlowLauncher();
     }
 
+    internal static void OnToggleHotkeyWithChefKeys()
+    {
+        if (!_mainViewModel.ShouldIgnoreHotkeys())
+            _mainViewModel.ToggleFlowLauncher();
+    }
+
     private static void SetHotkey(string hotkeyStr, EventHandler<HotkeyEventArgs> action)
     {
         var hotkey = new HotkeyModel(hotkeyStr);
         SetHotkey(hotkey, action);
     }
 
+    private static void SetWithChefKeys(string hotkeyStr)
+    {
+        try
+        {
+            ChefKeysManager.RegisterHotkey(hotkeyStr, hotkeyStr, OnToggleHotkeyWithChefKeys);
+            ChefKeysManager.Start();
+        }
+        catch (Exception e)
+        {
+            Log.Error(
+                string.Format("|HotkeyMapper.SetWithChefKeys|Error registering hotkey: {0} \nStackTrace:{1}",
+                              e.Message,
+                              e.StackTrace));
+            string errorMsg = string.Format(InternationalizationManager.Instance.GetTranslation("registerHotkeyFailed"), hotkeyStr);
+            string errorMsgTitle = InternationalizationManager.Instance.GetTranslation("MessageBoxTitle");
+            MessageBoxEx.Show(errorMsg, errorMsgTitle);
+        }
+    }
+
     internal static void SetHotkey(HotkeyModel hotkey, EventHandler<HotkeyEventArgs> action)
     {
         string hotkeyStr = hotkey.ToString();
         try
         {
+            if (hotkeyStr == "LWin" || hotkeyStr == "RWin")
+            {
+                SetWithChefKeys(hotkeyStr);
+                return;
+            }
+
             HotkeyManager.Current.AddOrReplace(hotkeyStr, hotkey.CharKey, hotkey.ModifierKeys, action);
         }
-        catch (Exception)
+        catch (Exception e)
         {
+            Log.Error(
+                string.Format("|HotkeyMapper.SetHotkey|Error registering hotkey {2}: {0} \nStackTrace:{1}",
+                              e.Message,
+                              e.StackTrace,
+                              hotkeyStr));
             string errorMsg = string.Format(InternationalizationManager.Instance.GetTranslation("registerHotkeyFailed"), hotkeyStr);
             string errorMsgTitle = InternationalizationManager.Instance.GetTranslation("MessageBoxTitle");
-            MessageBoxEx.Show(errorMsg, errorMsgTitle);
+            App.API.ShowMsgBox(errorMsg, errorMsgTitle);
         }
     }
 
     internal static void RemoveHotkey(string hotkeyStr)
     {
-        if (!string.IsNullOrEmpty(hotkeyStr))
+        try
         {
-            HotkeyManager.Current.Remove(hotkeyStr);
+            if (hotkeyStr == "LWin" || hotkeyStr == "RWin")
+            {
+                RemoveWithChefKeys(hotkeyStr);
+                return;
+            }
+
+            if (!string.IsNullOrEmpty(hotkeyStr))
+                HotkeyManager.Current.Remove(hotkeyStr);
         }
+        catch (Exception e)
+        {
+            Log.Error(
+                string.Format("|HotkeyMapper.RemoveHotkey|Error removing hotkey: {0} \nStackTrace:{1}",
+                              e.Message,
+                              e.StackTrace));
+            string errorMsg = string.Format(InternationalizationManager.Instance.GetTranslation("unregisterHotkeyFailed"), hotkeyStr);
+            string errorMsgTitle = InternationalizationManager.Instance.GetTranslation("MessageBoxTitle");
+            MessageBoxEx.Show(errorMsg, errorMsgTitle);
+        }
+    }
+
+    private static void RemoveWithChefKeys(string hotkeyStr)
+    {
+        ChefKeysManager.UnregisterHotkey(hotkeyStr);
+        ChefKeysManager.Stop();
     }
 
     internal static void LoadCustomPluginHotkey()

Flow.Launcher/Helper/SingleInstance.cs

@@ -1,11 +1,5 @@
 using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.IO;
-using System.Runtime.InteropServices;
 using System.IO.Pipes;
-using System.Security;
-using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Windows;
@@ -14,172 +8,6 @@ using System.Windows;
 // modified to allow single instace restart
 namespace Flow.Launcher.Helper
 {
-    internal enum WM
-    {
-        NULL = 0x0000,
-        CREATE = 0x0001,
-        DESTROY = 0x0002,
-        MOVE = 0x0003,
-        SIZE = 0x0005,
-        ACTIVATE = 0x0006,
-        SETFOCUS = 0x0007,
-        KILLFOCUS = 0x0008,
-        ENABLE = 0x000A,
-        SETREDRAW = 0x000B,
-        SETTEXT = 0x000C,
-        GETTEXT = 0x000D,
-        GETTEXTLENGTH = 0x000E,
-        PAINT = 0x000F,
-        CLOSE = 0x0010,
-        QUERYENDSESSION = 0x0011,
-        QUIT = 0x0012,
-        QUERYOPEN = 0x0013,
-        ERASEBKGND = 0x0014,
-        SYSCOLORCHANGE = 0x0015,
-        SHOWWINDOW = 0x0018,
-        ACTIVATEAPP = 0x001C,
-        SETCURSOR = 0x0020,
-        MOUSEACTIVATE = 0x0021,
-        CHILDACTIVATE = 0x0022,
-        QUEUESYNC = 0x0023,
-        GETMINMAXINFO = 0x0024,
-
-        WINDOWPOSCHANGING = 0x0046,
-        WINDOWPOSCHANGED = 0x0047,
-
-        CONTEXTMENU = 0x007B,
-        STYLECHANGING = 0x007C,
-        STYLECHANGED = 0x007D,
-        DISPLAYCHANGE = 0x007E,
-        GETICON = 0x007F,
-        SETICON = 0x0080,
-        NCCREATE = 0x0081,
-        NCDESTROY = 0x0082,
-        NCCALCSIZE = 0x0083,
-        NCHITTEST = 0x0084,
-        NCPAINT = 0x0085,
-        NCACTIVATE = 0x0086,
-        GETDLGCODE = 0x0087,
-        SYNCPAINT = 0x0088,
-        NCMOUSEMOVE = 0x00A0,
-        NCLBUTTONDOWN = 0x00A1,
-        NCLBUTTONUP = 0x00A2,
-        NCLBUTTONDBLCLK = 0x00A3,
-        NCRBUTTONDOWN = 0x00A4,
-        NCRBUTTONUP = 0x00A5,
-        NCRBUTTONDBLCLK = 0x00A6,
-        NCMBUTTONDOWN = 0x00A7,
-        NCMBUTTONUP = 0x00A8,
-        NCMBUTTONDBLCLK = 0x00A9,
-
-        SYSKEYDOWN = 0x0104,
-        SYSKEYUP = 0x0105,
-        SYSCHAR = 0x0106,
-        SYSDEADCHAR = 0x0107,
-        COMMAND = 0x0111,
-        SYSCOMMAND = 0x0112,
-
-        MOUSEMOVE = 0x0200,
-        LBUTTONDOWN = 0x0201,
-        LBUTTONUP = 0x0202,
-        LBUTTONDBLCLK = 0x0203,
-        RBUTTONDOWN = 0x0204,
-        RBUTTONUP = 0x0205,
-        RBUTTONDBLCLK = 0x0206,
-        MBUTTONDOWN = 0x0207,
-        MBUTTONUP = 0x0208,
-        MBUTTONDBLCLK = 0x0209,
-        MOUSEWHEEL = 0x020A,
-        XBUTTONDOWN = 0x020B,
-        XBUTTONUP = 0x020C,
-        XBUTTONDBLCLK = 0x020D,
-        MOUSEHWHEEL = 0x020E,
-
-
-        CAPTURECHANGED = 0x0215,
-
-        ENTERSIZEMOVE = 0x0231,
-        EXITSIZEMOVE = 0x0232,
-
-        IME_SETCONTEXT = 0x0281,
-        IME_NOTIFY = 0x0282,
-        IME_CONTROL = 0x0283,
-        IME_COMPOSITIONFULL = 0x0284,
-        IME_SELECT = 0x0285,
-        IME_CHAR = 0x0286,
-        IME_REQUEST = 0x0288,
-        IME_KEYDOWN = 0x0290,
-        IME_KEYUP = 0x0291,
-
-        NCMOUSELEAVE = 0x02A2,
-
-        DWMCOMPOSITIONCHANGED = 0x031E,
-        DWMNCRENDERINGCHANGED = 0x031F,
-        DWMCOLORIZATIONCOLORCHANGED = 0x0320,
-        DWMWINDOWMAXIMIZEDCHANGE = 0x0321,
-
-        #region Windows 7
-        DWMSENDICONICTHUMBNAIL = 0x0323,
-        DWMSENDICONICLIVEPREVIEWBITMAP = 0x0326,
-        #endregion
-
-        USER = 0x0400,
-
-        // This is the hard-coded message value used by WinForms for Shell_NotifyIcon.
-        // It's relatively safe to reuse.
-        TRAYMOUSEMESSAGE = 0x800, //WM_USER + 1024
-        APP = 0x8000
-    }
-
-    [SuppressUnmanagedCodeSecurity]
-    internal static class NativeMethods
-    {
-        /// <summary>
-        /// Delegate declaration that matches WndProc signatures.
-        /// </summary>
-        public delegate IntPtr MessageHandler(WM uMsg, IntPtr wParam, IntPtr lParam, out bool handled);
-
-        [DllImport("shell32.dll", EntryPoint = "CommandLineToArgvW", CharSet = CharSet.Unicode)]
-        private static extern IntPtr _CommandLineToArgvW([MarshalAs(UnmanagedType.LPWStr)] string cmdLine, out int numArgs);
-
-
-        [DllImport("kernel32.dll", EntryPoint = "LocalFree", SetLastError = true)]
-        private static extern IntPtr _LocalFree(IntPtr hMem);
-
-
-        public static string[] CommandLineToArgvW(string cmdLine)
-        {
-            IntPtr argv = IntPtr.Zero;
-            try
-            {
-                int numArgs = 0;
-
-                argv = _CommandLineToArgvW(cmdLine, out numArgs);
-                if (argv == IntPtr.Zero)
-                {
-                    throw new Win32Exception();
-                }
-                var result = new string[numArgs];
-
-                for (int i = 0; i < numArgs; i++)
-                {
-                    IntPtr currArg = Marshal.ReadIntPtr(argv, i * Marshal.SizeOf(typeof(IntPtr)));
-                    result[i] = Marshal.PtrToStringUni(currArg);
-                }
-
-                return result;
-            }
-            finally
-            {
-
-                IntPtr p = _LocalFree(argv);
-                // Otherwise LocalFree failed.
-                // Assert.AreEqual(IntPtr.Zero, p);
-            }
-        }
-
-    } 
-
     public interface ISingleInstanceApp 
     { 
          void OnSecondAppStarted(); 
@@ -219,10 +47,6 @@ namespace Flow.Launcher.Helper
 
         #endregion
 
-        #region Public Properties
-
-        #endregion
-
         #region Public Methods
 
         /// <summary>
@@ -264,56 +88,6 @@ namespace Flow.Launcher.Helper
 
         #region Private Methods
 
-        /// <summary>
-        /// Gets command line args - for ClickOnce deployed applications, command line args may not be passed directly, they have to be retrieved.
-        /// </summary>
-        /// <returns>List of command line arg strings.</returns>
-        private static IList<string> GetCommandLineArgs( string uniqueApplicationName )
-        {
-            string[] args = null;
-
-            try
-            {
-                // The application was not clickonce deployed, get args from standard API's
-                args = Environment.GetCommandLineArgs();
-            }
-            catch (NotSupportedException)
-            {
-              
-                // The application was clickonce deployed
-                // Clickonce deployed apps cannot recieve traditional commandline arguments
-                // As a workaround commandline arguments can be written to a shared location before 
-                // the app is launched and the app can obtain its commandline arguments from the 
-                // shared location               
-                string appFolderPath = Path.Combine(
-                    Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), uniqueApplicationName);
-
-                string cmdLinePath = Path.Combine(appFolderPath, "cmdline.txt");
-                if (File.Exists(cmdLinePath))
-                {
-                    try
-                    {
-                        using (TextReader reader = new StreamReader(cmdLinePath, Encoding.Unicode))
-                        {
-                            args = NativeMethods.CommandLineToArgvW(reader.ReadToEnd());
-                        }
-
-                        File.Delete(cmdLinePath);
-                    }
-                    catch (IOException)
-                    {
-                    }
-                }
-            }
-
-            if (args == null)
-            {
-                args = new string[] { };
-            }
-
-            return new List<string>(args);
-        }
-
         /// <summary>
         /// Creates a remote server pipe for communication. 
         /// Once receives signal from client, will activate first instance.

Flow.Launcher/Helper/SingletonWindowOpener.cs

@@ -10,16 +10,29 @@ public static class SingletonWindowOpener
     {
         var window = Application.Current.Windows.OfType<Window>().FirstOrDefault(x => x.GetType() == typeof(T))
                      ?? (T)Activator.CreateInstance(typeof(T), args);
-            
+
         // Fix UI bug
         // Add `window.WindowState = WindowState.Normal`
         // If only use `window.Show()`, Settings-window doesn't show when minimized in taskbar 
         // Not sure why this works tho
         // Probably because, when `.Show()` fails, `window.WindowState == Minimized` (not `Normal`) 
         // https://stackoverflow.com/a/59719760/4230390
-        window.WindowState = WindowState.Normal; 
-        window.Show();
-            
+        // Ensure the window is not minimized before showing it
+        if (window.WindowState == WindowState.Minimized)
+        {
+            window.WindowState = WindowState.Normal;
+        }
+
+        // Ensure the window is visible
+        if (!window.IsVisible)
+        {
+            window.Show();
+        }
+        else
+        {
+            window.Activate(); // Bring the window to the foreground if already open
+        }
+
         window.Focus();
 
         return (T)window;

Flow.Launcher/Helper/WallpaperPathRetrieval.cs

@@ -1,33 +1,95 @@
 using System;
+using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using System.Runtime.InteropServices;
-using System.Text;
+using System.Windows;
 using System.Windows.Media;
+using System.Windows.Media.Imaging;
 using Microsoft.Win32;
+using Windows.Win32;
+using Windows.Win32.UI.WindowsAndMessaging;
 
 namespace Flow.Launcher.Helper;
 
 public static class WallpaperPathRetrieval
 {
-    [DllImport("user32.dll", CharSet = CharSet.Unicode)]
-    private static extern Int32 SystemParametersInfo(UInt32 action,
-        Int32 uParam, StringBuilder vParam, UInt32 winIni);
-    private static readonly UInt32 SPI_GETDESKWALLPAPER = 0x73;
-    private static int MAX_PATH = 260;
+    private static readonly int MAX_PATH = 260;
+    private static readonly int MAX_CACHE_SIZE = 3;
 
-    public static string GetWallpaperPath()
+    private static readonly Dictionary<(string, DateTime), ImageBrush> wallpaperCache = new();
+
+    public static Brush GetWallpaperBrush()
     {
-        var wallpaper = new StringBuilder(MAX_PATH);
-        SystemParametersInfo(SPI_GETDESKWALLPAPER, MAX_PATH, wallpaper, 0);
+        // Invoke the method on the UI thread
+        if (!Application.Current.Dispatcher.CheckAccess())
+        {
+            return Application.Current.Dispatcher.Invoke(GetWallpaperBrush);
+        }
 
-        var str = wallpaper.ToString();
-        if (string.IsNullOrEmpty(str))
-            return null;
+        try
+        {
+            var wallpaperPath = GetWallpaperPath();
+            if (wallpaperPath is not null && 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);
+                if (cachedWallpaper != null)
+                {
+                    return cachedWallpaper;
+                }
 
-        return str;
+                // 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
+
+                // Manage cache size
+                if (wallpaperCache.Count >= MAX_CACHE_SIZE)
+                {
+                    // Remove the oldest wallpaper from the cache
+                    var oldestCache = wallpaperCache.Keys.OrderBy(k => k.Item2).FirstOrDefault();
+                    if (oldestCache != default)
+                    {
+                        wallpaperCache.Remove(oldestCache);
+                    }
+                }
+
+                wallpaperCache.Add((wallpaperPath, dateModified), wallpaperBrush);
+                return wallpaperBrush;
+            }
+
+            var wallpaperColor = GetWallpaperColor();
+            return new SolidColorBrush(wallpaperColor);
+        }
+        catch (Exception ex)
+        {
+            App.API.LogException(nameof(WallpaperPathRetrieval), "Error retrieving wallpaper", ex);
+            return new SolidColorBrush(Colors.Transparent);
+        }
     }
 
-    public static Color GetWallpaperColor()
+    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);
         var result = key?.GetValue("Background", null);
@@ -35,13 +97,14 @@ public static class WallpaperPathRetrieval
         {
             try
             {
-                var parts = strResult.Trim().Split(new[] {' '}, 3).Select(byte.Parse).ToList();
+                var parts = strResult.Trim().Split(new[] { ' ' }, 3).Select(byte.Parse).ToList();
                 return Color.FromRgb(parts[0], parts[1], parts[2]);
             }
             catch
             {
             }
         }
+
         return Colors.Transparent;
     }
 }

Flow.Launcher/Helper/WindowsInteropHelper.cs

@@ -1,75 +1,52 @@
 using System;
+using System.ComponentModel;
 using System.Drawing;
 using System.Runtime.InteropServices;
-using System.Text;
 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 const int GWL_STYLE = -16; //WPF's Message code for Title Bar's Style
-    private const int WS_SYSMENU = 0x80000; //WPF's Message code for System Menu
-    private static IntPtr _hwnd_shell;
-    private static IntPtr _hwnd_desktop;
+    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 IntPtr HWND_SHELL
+    private static HWND HWND_SHELL
     {
         get
         {
-            return _hwnd_shell != IntPtr.Zero ? _hwnd_shell : _hwnd_shell = GetShellWindow();
+            return _hwnd_shell != HWND.Null ? _hwnd_shell : _hwnd_shell = PInvoke.GetShellWindow();
         }
     }
-    private static IntPtr HWND_DESKTOP
+
+    private static HWND HWND_DESKTOP
     {
         get
         {
-            return _hwnd_desktop != IntPtr.Zero ? _hwnd_desktop : _hwnd_desktop = GetDesktopWindow();
+            return _hwnd_desktop != HWND.Null ? _hwnd_desktop : _hwnd_desktop = PInvoke.GetDesktopWindow();
         }
     }
 
-    [DllImport("user32.dll", SetLastError = true)]
-    internal static extern int GetWindowLong(IntPtr hWnd, int nIndex);
-
-    [DllImport("user32.dll")]
-    internal static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);
-
-    [DllImport("user32.dll")]
-    internal static extern IntPtr GetForegroundWindow();
-
-    [DllImport("user32.dll")]
-    internal static extern IntPtr GetDesktopWindow();
-
-    [DllImport("user32.dll")]
-    internal static extern IntPtr GetShellWindow();
-
-    [DllImport("user32.dll", SetLastError = true)]
-    internal static extern int GetWindowRect(IntPtr hwnd, out RECT rc);
-
-    [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
-    internal static extern int GetClassName(IntPtr hWnd, StringBuilder lpClassName, int nMaxCount);
-
-    [DllImport("user32.DLL")]
-    public static extern IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, string lpszClass, string lpszWindow);
-
-
     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 static bool IsWindowFullscreen()
+    public unsafe static bool IsWindowFullscreen()
     {
         //get current active window
-        IntPtr hWnd = GetForegroundWindow();
+        var hWnd = PInvoke.GetForegroundWindow();
 
-        if (hWnd.Equals(IntPtr.Zero))
+        if (hWnd.Equals(HWND.Null))
         {
             return false;
         }
@@ -80,9 +57,17 @@ public class WindowsInteropHelper
             return false;
         }
 
-        StringBuilder sb = new StringBuilder(256);
-        GetClassName(hWnd, sb, sb.Capacity);
-        string windowClass = sb.ToString();
+        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)
@@ -90,28 +75,28 @@ public class WindowsInteropHelper
             return false;
         }
 
-        RECT appBounds;
-        GetWindowRect(hWnd, out appBounds);
+        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;
+            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)
         {
-            IntPtr hWndDesktop = FindWindowEx(hWnd, IntPtr.Zero, "SHELLDLL_DefView", null);
-            hWndDesktop = FindWindowEx(hWndDesktop, IntPtr.Zero, "SysListView32", "FolderView");
-            if (!hWndDesktop.Equals(IntPtr.Zero))
+            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;
+        return (appBounds.bottom - appBounds.top) == screenBounds.Height &&
+               (appBounds.right - appBounds.left) == screenBounds.Width;
     }
 
     /// <summary>
@@ -120,8 +105,24 @@ public class WindowsInteropHelper
     /// </summary>
     public static void DisableControlBox(Window win)
     {
-        var hwnd = new WindowInteropHelper(win).Handle;
-        SetWindowLong(hwnd, GWL_STYLE, GetWindowLong(hwnd, GWL_STYLE) & ~WS_SYSMENU);
+        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>
@@ -144,16 +145,67 @@ public class WindowsInteropHelper
             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
 
-    [StructLayout(LayoutKind.Sequential)]
-    public struct RECT
+    private static int SetWindowLong(HWND hWnd, WINDOW_LONG_PTR_INDEX nIndex, int dwNewLong)
     {
-        public int Left;
-        public int Top;
-        public int Right;
-        public int Bottom;
+        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/HotkeyControl.xaml.cs

@@ -154,7 +154,16 @@ namespace Flow.Launcher
         {
             if (triggerValidate)
             {
-                bool hotkeyAvailable = CheckHotkeyAvailability(keyModel, ValidateKeyGesture);
+                bool hotkeyAvailable = false;
+                // TODO: This is a temporary way to enforce changing only the open flow hotkey to Win, and will be removed by PR #3157
+                if (keyModel.ToString() == "LWin" || keyModel.ToString() == "RWin")
+                {
+                    hotkeyAvailable = true;
+                }
+                else
+                {
+                    hotkeyAvailable = CheckHotkeyAvailability(keyModel, ValidateKeyGesture);
+                }
 
                 if (!hotkeyAvailable)
                 {

Flow.Launcher/HotkeyControlDialog.xaml.cs

@@ -3,6 +3,7 @@ using System.Collections.ObjectModel;
 using System.Linq;
 using System.Windows;
 using System.Windows.Input;
+using ChefKeys;
 using Flow.Launcher.Core.Resource;
 using Flow.Launcher.Helper;
 using Flow.Launcher.Infrastructure.Hotkey;
@@ -33,6 +34,8 @@ public partial class HotkeyControlDialog : ContentDialog
     public string ResultValue { get; private set; } = string.Empty;
     public static string EmptyHotkey => InternationalizationManager.Instance.GetTranslation("none");
 
+    private static bool isOpenFlowHotkey;
+
     public HotkeyControlDialog(string hotkey, string defaultHotkey, IHotkeySettings hotkeySettings, string windowTitle = "")
     {
         WindowTitle = windowTitle switch
@@ -46,6 +49,14 @@ public partial class HotkeyControlDialog : ContentDialog
         SetKeysToDisplay(CurrentHotkey);
 
         InitializeComponent();
+
+        // TODO: This is a temporary way to enforce changing only the open flow hotkey to Win, and will be removed by PR #3157
+        isOpenFlowHotkey = _hotkeySettings.RegisteredHotkeys
+                             .Any(x => x.DescriptionResourceKey == "flowlauncherHotkey" 
+                                    && x.Hotkey.ToString() == hotkey);
+
+        ChefKeysManager.StartMenuEnableBlocking = true;
+        ChefKeysManager.Start();
     }
 
     private void Reset(object sender, RoutedEventArgs routedEventArgs)
@@ -61,12 +72,18 @@ public partial class HotkeyControlDialog : ContentDialog
 
     private void Cancel(object sender, RoutedEventArgs routedEventArgs)
     {
+        ChefKeysManager.StartMenuEnableBlocking = false;
+        ChefKeysManager.Stop();
+
         ResultType = EResultType.Cancel;
         Hide();
     }
 
     private void Save(object sender, RoutedEventArgs routedEventArgs)
     {
+        ChefKeysManager.StartMenuEnableBlocking = false;
+        ChefKeysManager.Stop();
+
         if (KeysToDisplay.Count == 1 && KeysToDisplay[0] == EmptyHotkey)
         {
             ResultType = EResultType.Delete;
@@ -85,6 +102,9 @@ public partial class HotkeyControlDialog : ContentDialog
         //when alt is pressed, the real key should be e.SystemKey
         Key key = e.Key == Key.System ? e.SystemKey : e.Key;
 
+        if (ChefKeysManager.StartMenuBlocked && key.ToString() == ChefKeysManager.StartMenuSimulatedKey)
+            return;
+
         SpecialKeyState specialKeyState = GlobalHotkey.CheckModifiers();
 
         var hotkeyModel = new HotkeyModel(
@@ -168,8 +188,13 @@ public partial class HotkeyControlDialog : ContentDialog
         }
     }
 
-    private static bool CheckHotkeyAvailability(HotkeyModel hotkey, bool validateKeyGesture) =>
-        hotkey.Validate(validateKeyGesture) && HotKeyMapper.CheckAvailability(hotkey);
+    private static bool CheckHotkeyAvailability(HotkeyModel hotkey, bool validateKeyGesture)
+    {
+        if (isOpenFlowHotkey && (hotkey.ToString() == "LWin" || hotkey.ToString() == "RWin"))
+            return true;
+
+        return hotkey.Validate(validateKeyGesture) && HotKeyMapper.CheckAvailability(hotkey);
+    }
 
     private void Overwrite(object sender, RoutedEventArgs e)
     {

Flow.Launcher/Languages/de.xaml

@@ -65,8 +65,8 @@
     <system:String x:Key="LastQueryPreserved">Letzte Abfrage beibehalten</system:String>
     <system:String x:Key="LastQuerySelected">Letzte Abfrage auswählen</system:String>
     <system:String x:Key="LastQueryEmpty">Letzte Abfrage leeren</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="LastQueryActionKeywordPreserved">Letztes Aktions-Schlüsselwort beibehalten</system:String>
+    <system:String x:Key="LastQueryActionKeywordSelected">Letztes Aktions-Schlüsselwort auswählen</system:String>
     <system:String x:Key="KeepMaxResults">Feste Fensterhöhe</system:String>
     <system:String x:Key="KeepMaxResultsToolTip">Die Fensterhöhe ist durch Ziehen nicht anpassbar.</system:String>
     <system:String x:Key="maxShowResults">Maximal gezeigte Ergebnisse</system:String>

Flow.Launcher/Languages/en.xaml

@@ -15,6 +15,7 @@
 
     <!--  MainWindow  -->
     <system:String x:Key="registerHotkeyFailed">Failed to register hotkey "{0}". The hotkey may be in use by another program. Change to a different hotkey, or exit another program.</system:String>
+    <system:String x:Key="unregisterHotkeyFailed">Failed to unregister hotkey "{0}". Please try again or see log for details</system:String>
     <system:String x:Key="MessageBoxTitle">Flow Launcher</system:String>
     <system:String x:Key="couldnotStartCmd">Could not start {0}</system:String>
     <system:String x:Key="invalidFlowLauncherPluginFileFormat">Invalid Flow Launcher plugin file format</system:String>
@@ -46,6 +47,8 @@
     <system:String x:Key="portableMode">Portable Mode</system:String>
     <system:String x:Key="portableModeToolTIp">Store all settings and user data in one folder (Useful when used with removable drives or cloud services).</system:String>
     <system:String x:Key="startFlowLauncherOnSystemStartup">Start Flow Launcher on system startup</system:String>
+    <system:String x:Key="useLogonTaskForStartup">Use logon task instead of startup entry for faster startup experience</system:String>
+    <system:String x:Key="useLogonTaskForStartupTooltip">After uninstallation, you need to manually remove this task (Flow.Launcher Startup) via Task Scheduler</system:String>
     <system:String x:Key="setAutoStartFailed">Error setting launch on startup</system:String>
     <system:String x:Key="hideFlowLauncherWhenLoseFocus">Hide Flow Launcher when focus is lost</system:String>
     <system:String x:Key="dontPromptUpdateMsg">Do not show new version notifications</system:String>
@@ -128,7 +131,8 @@
     <system:String x:Key="plugin_query_version">Version</system:String>
     <system:String x:Key="plugin_query_web">Website</system:String>
     <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>
 
     <!--  Setting Plugin Store  -->
     <system:String x:Key="pluginStore">Plugin Store</system:String>
@@ -145,8 +149,6 @@
     <system:String x:Key="LabelNewToolTip">This plugin has been updated within the last 7 days</system:String>
     <system:String x:Key="LabelUpdateToolTip">New Update is Available</system:String>
 
-
-
     <!--  Setting Theme  -->
     <system:String x:Key="theme">Theme</system:String>
     <system:String x:Key="appearance">Appearance</system:String>
@@ -196,7 +198,6 @@
     <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>
 
-
     <!--  Setting Hotkey  -->
     <system:String x:Key="hotkey">Hotkey</system:String>
     <system:String x:Key="hotkeys">Hotkeys</system:String>
@@ -299,6 +300,9 @@
     <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>
     <system:String x:Key="userdatapathButton">Open Folder</system:String>
+    <system:String x:Key="logLevel">Log Level</system:String>
+    <system:String x:Key="LogLevelDEBUG">Debug</system:String>
+    <system:String x:Key="LogLevelINFO">Info</system:String>
 
     <!--  FileManager Setting Dialog  -->
     <system:String x:Key="fileManagerWindow">Select File Manager</system:String>
@@ -367,6 +371,7 @@
     <system:String x:Key="commonOK">OK</system:String>
     <system:String x:Key="commonYes">Yes</system:String>
     <system:String x:Key="commonNo">No</system:String>
+    <system:String x:Key="commonBackground">Background</system:String>
 
     <!--  Crash Reporter  -->
     <system:String x:Key="reportWindow_version">Version</system:String>
@@ -383,6 +388,9 @@
     <system:String x:Key="reportWindow_report_succeed">Report sent successfully</system:String>
     <system:String x:Key="reportWindow_report_failed">Failed to send report</system:String>
     <system:String x:Key="reportWindow_flowlauncher_got_an_error">Flow Launcher got an error</system:String>
+    <system:String x:Key="reportWindow_please_open_issue">Please open new issue in</system:String>
+    <system:String x:Key="reportWindow_upload_log">1. Upload log file: {0}</system:String>
+    <system:String x:Key="reportWindow_copy_below">2. Copy below exception message</system:String>
 
     <!--  General Notice  -->
     <system:String x:Key="pleaseWait">Please wait...</system:String>

Flow.Launcher/Languages/es.xaml

@@ -65,8 +65,8 @@
     <system:String x:Key="LastQueryPreserved">Mantener la última consulta</system:String>
     <system:String x:Key="LastQuerySelected">Seleccionar la última consulta</system:String>
     <system:String x:Key="LastQueryEmpty">Limpiar la última consulta</system:String>
-    <system:String x:Key="LastQueryActionKeywordPreserved">Conservar palabra clave de última acción</system:String>
-    <system:String x:Key="LastQueryActionKeywordSelected">Seleccionar palabra clave de última acción</system:String>
+    <system:String x:Key="LastQueryActionKeywordPreserved">Conservar última palabra clave de acción</system:String>
+    <system:String x:Key="LastQueryActionKeywordSelected">Seleccionar última palabra clave de acción</system:String>
     <system:String x:Key="KeepMaxResults">Altura de la ventana fija</system:String>
     <system:String x:Key="KeepMaxResultsToolTip">La altura de la ventana no se puede ajustar arrastrando el ratón.</system:String>
     <system:String x:Key="maxShowResults">Número máximo de resultados mostrados</system:String>

Flow.Launcher/Languages/he.xaml

@@ -9,7 +9,7 @@
     <system:String x:Key="runtimePluginChooseRuntimeExecutable">אנא בחר את קובץ ההפעלה {0}</system:String>
     <system:String x:Key="runtimePluginUnableToSetExecutablePath">לא ניתן להגדיר נתיב הפעלה {0}, אנא נסה שוב בהגדרות Flow (גלול עד למטה).</system:String>
     <system:String x:Key="failedToInitializePluginsTitle">נכשל בהפעלת תוספים</system:String>
-    <system:String x:Key="failedToInitializePluginsMessage">תוספים: {0} - נכשלים בטעינה ויהיו מושבתים, אנא צור קשר עם יוצרי התוספים לקבלת עזרה</system:String>
+    <system:String x:Key="failedToInitializePluginsMessage">תוספים: {0} - נכשלו בטעינה ויושבתו, אנא צור קשר עם יוצרי התוספים לקבלת עזרה</system:String>
 
     <!--  MainWindow  -->
     <system:String x:Key="registerHotkeyFailed">רישום מקש הקיצור &quot;{0}&quot; נכשל. ייתכן שמקש הקיצור נמצא בשימוש על ידי תוכנה אחרת. שנה למקש קיצור אחר, או צא מהתוכנה האחרת.</system:String>
@@ -54,10 +54,10 @@
     <system:String x:Key="SearchWindowScreenPrimary">צג ראשי</system:String>
     <system:String x:Key="SearchWindowScreenCustom">צג מותאם אישית</system:String>
     <system:String x:Key="SearchWindowAlign">Search Window Position on Monitor</system:String>
-    <system:String x:Key="SearchWindowAlignCenter">Center</system:String>
-    <system:String x:Key="SearchWindowAlignCenterTop">Center Top</system:String>
-    <system:String x:Key="SearchWindowAlignLeftTop">Left Top</system:String>
-    <system:String x:Key="SearchWindowAlignRightTop">Right Top</system:String>
+    <system:String x:Key="SearchWindowAlignCenter">מרכז</system:String>
+    <system:String x:Key="SearchWindowAlignCenterTop">מרכז עליון</system:String>
+    <system:String x:Key="SearchWindowAlignLeftTop">שמאל עליון</system:String>
+    <system:String x:Key="SearchWindowAlignRightTop">ימין עליון</system:String>
     <system:String x:Key="SearchWindowAlignCustom">Custom Position</system:String>
     <system:String x:Key="language">שפה</system:String>
     <system:String x:Key="lastQueryMode">Last Query Style</system:String>
@@ -83,16 +83,16 @@
     <system:String x:Key="selectPythonExecutable">Please select pythonw.exe</system:String>
     <system:String x:Key="typingStartEn">Always Start Typing in English Mode</system:String>
     <system:String x:Key="typingStartEnTooltip">Temporarily change your input method to English mode when activating Flow.</system:String>
-    <system:String x:Key="autoUpdates">Auto Update</system:String>
-    <system:String x:Key="select">Select</system:String>
+    <system:String x:Key="autoUpdates">עדכון אוטומטי</system:String>
+    <system:String x:Key="select">בחר</system:String>
     <system:String x:Key="hideOnStartup">Hide Flow Launcher on startup</system:String>
     <system:String x:Key="hideOnStartupToolTip">Flow Launcher search window is hidden in the tray after starting up.</system:String>
     <system:String x:Key="hideNotifyIcon">Hide tray icon</system:String>
     <system:String x:Key="hideNotifyIconToolTip">When the icon is hidden from the tray, the Settings menu can be opened by right-clicking on the search window.</system:String>
     <system:String x:Key="querySearchPrecision">Query Search Precision</system:String>
     <system:String x:Key="querySearchPrecisionToolTip">Changes minimum match score required for results.</system:String>
-    <system:String x:Key="SearchPrecisionNone">None</system:String>
-    <system:String x:Key="SearchPrecisionLow">Low</system:String>
+    <system:String x:Key="SearchPrecisionNone">ללא</system:String>
+    <system:String x:Key="SearchPrecisionLow">נמוך</system:String>
     <system:String x:Key="SearchPrecisionRegular">Regular</system:String>
     <system:String x:Key="ShouldUsePinyin">Search with Pinyin</system:String>
     <system:String x:Key="ShouldUsePinyinToolTip">Allows using Pinyin to search. Pinyin is the standard system of romanized spelling for translating Chinese.</system:String>
@@ -120,26 +120,26 @@
     <system:String x:Key="priority">Priority</system:String>
     <system:String x:Key="priorityToolTip">Change Plugin Results Priority</system:String>
     <system:String x:Key="pluginDirectory">Plugin Directory</system:String>
-    <system:String x:Key="author">by</system:String>
+    <system:String x:Key="author">מאת</system:String>
     <system:String x:Key="plugin_init_time">Init time:</system:String>
     <system:String x:Key="plugin_query_time">Query time:</system:String>
-    <system:String x:Key="plugin_query_version">Version</system:String>
-    <system:String x:Key="plugin_query_web">Website</system:String>
-    <system:String x:Key="plugin_uninstall">Uninstall</system:String>
+    <system:String x:Key="plugin_query_version">גרסה</system:String>
+    <system:String x:Key="plugin_query_web">אתר</system:String>
+    <system:String x:Key="plugin_uninstall">הסר התקנה</system:String>
 
 
     <!--  Setting Plugin Store  -->
     <system:String x:Key="pluginStore">חנות תוספים</system:String>
-    <system:String x:Key="pluginStore_NewRelease">New Release</system:String>
+    <system:String x:Key="pluginStore_NewRelease">שחרור חדש</system:String>
     <system:String x:Key="pluginStore_RecentlyUpdated">Recently Updated</system:String>
     <system:String x:Key="pluginStore_None">תוספים</system:String>
-    <system:String x:Key="pluginStore_Installed">Installed</system:String>
+    <system:String x:Key="pluginStore_Installed">מותקן</system:String>
     <system:String x:Key="refresh">רענן</system:String>
     <system:String x:Key="installbtn">התקן</system:String>
-    <system:String x:Key="uninstallbtn">Uninstall</system:String>
+    <system:String x:Key="uninstallbtn">הסר התקנה</system:String>
     <system:String x:Key="updatebtn">עדכון</system:String>
     <system:String x:Key="LabelInstalledToolTip">Plugin already installed</system:String>
-    <system:String x:Key="LabelNew">New Version</system:String>
+    <system:String x:Key="LabelNew">גרסה חדשה</system:String>
     <system:String x:Key="LabelNewToolTip">This plugin has been updated within the last 7 days</system:String>
     <system:String x:Key="LabelUpdateToolTip">New Update is Available</system:String>
 
@@ -164,7 +164,7 @@
     <system:String x:Key="queryBoxFont">Query Box Font</system:String>
     <system:String x:Key="resultItemFont">Result Title Font</system:String>
     <system:String x:Key="resultSubItemFont">Result Subtitle Font</system:String>
-    <system:String x:Key="resetCustomize">Reset</system:String>
+    <system:String x:Key="resetCustomize">אפס</system:String>
     <system:String x:Key="CustomizeToolTip">Customize</system:String>
     <system:String x:Key="windowMode">Window Mode</system:String>
     <system:String x:Key="opacity">Opacity</system:String>
@@ -196,9 +196,9 @@
 
 
     <!--  Setting Hotkey  -->
-    <system:String x:Key="hotkey">Hotkey</system:String>
-    <system:String x:Key="hotkeys">Hotkeys</system:String>
-    <system:String x:Key="flowlauncherHotkey">Open Flow Launcher</system:String>
+    <system:String x:Key="hotkey">מקש קיצור</system:String>
+    <system:String x:Key="hotkeys">מקשי קיצור</system:String>
+    <system:String x:Key="flowlauncherHotkey">פתח את Flow Launcher</system:String>
     <system:String x:Key="flowlauncherHotkeyToolTip">Enter shortcut to show/hide Flow Launcher.</system:String>
     <system:String x:Key="previewHotkey">Toggle Preview</system:String>
     <system:String x:Key="previewHotkeyToolTip">Enter shortcut to show/hide preview in search window.</system:String>
@@ -206,24 +206,24 @@
     <system:String x:Key="hotkeyPresetsToolTip">List of currently registered hotkeys</system:String>
     <system:String x:Key="openResultModifiers">Open Result Modifier Key</system:String>
     <system:String x:Key="openResultModifiersToolTip">Select a modifier key to open selected result via keyboard.</system:String>
-    <system:String x:Key="showOpenResultHotkey">Show Hotkey</system:String>
+    <system:String x:Key="showOpenResultHotkey">הצג מקש קיצור</system:String>
     <system:String x:Key="showOpenResultHotkeyToolTip">Show result selection hotkey with results.</system:String>
     <system:String x:Key="autoCompleteHotkey">Auto Complete</system:String>
     <system:String x:Key="autoCompleteHotkeyToolTip">Runs autocomplete for the selected items.</system:String>
     <system:String x:Key="SelectNextItemHotkey">Select Next Item</system:String>
     <system:String x:Key="SelectPrevItemHotkey">Select Previous Item</system:String>
-    <system:String x:Key="SelectNextPageHotkey">Next Page</system:String>
-    <system:String x:Key="SelectPrevPageHotkey">Previous Page</system:String>
+    <system:String x:Key="SelectNextPageHotkey">הדף הבא</system:String>
+    <system:String x:Key="SelectPrevPageHotkey">הדף הקודם</system:String>
     <system:String x:Key="CycleHistoryUpHotkey">Cycle Previous Query</system:String>
     <system:String x:Key="CycleHistoryDownHotkey">Cycle Next Query</system:String>
     <system:String x:Key="OpenContextMenuHotkey">Open Context Menu</system:String>
     <system:String x:Key="OpenNativeContextMenuHotkey">Open Native Context Menu</system:String>
     <system:String x:Key="SettingWindowHotkey">Open Setting Window</system:String>
-    <system:String x:Key="CopyFilePathHotkey">Copy File Path</system:String>
+    <system:String x:Key="CopyFilePathHotkey">העתק את נתיב הקובץ</system:String>
     <system:String x:Key="ToggleGameModeHotkey">Toggle Game Mode</system:String>
     <system:String x:Key="ToggleHistoryHotkey">Toggle History</system:String>
     <system:String x:Key="OpenContainFolderHotkey">Open Containing Folder</system:String>
-    <system:String x:Key="RunAsAdminHotkey">Run As Admin</system:String>
+    <system:String x:Key="RunAsAdminHotkey">הרץ כמנהל</system:String>
     <system:String x:Key="RequeryHotkey">Refresh Search Results</system:String>
     <system:String x:Key="ReloadPluginHotkey">Reload Plugins Data</system:String>
     <system:String x:Key="QuickWidthHotkey">Quick Adjust Window Width</system:String>
@@ -234,13 +234,13 @@
     <system:String x:Key="customQueryShortcut">Custom Query Shortcuts</system:String>
     <system:String x:Key="builtinShortcuts">Built-in Shortcuts</system:String>
     <system:String x:Key="customQuery">שאילתה</system:String>
-    <system:String x:Key="customShortcut">Shortcut</system:String>
-    <system:String x:Key="customShortcutExpansion">Expansion</system:String>
-    <system:String x:Key="builtinShortcutDescription">Description</system:String>
+    <system:String x:Key="customShortcut">קיצור דרך</system:String>
+    <system:String x:Key="customShortcutExpansion">הרחבה</system:String>
+    <system:String x:Key="builtinShortcutDescription">תיאור</system:String>
     <system:String x:Key="delete">מחק</system:String>
     <system:String x:Key="edit">ערוך</system:String>
     <system:String x:Key="add">הוסף</system:String>
-    <system:String x:Key="none">None</system:String>
+    <system:String x:Key="none">ללא</system:String>
     <system:String x:Key="pleaseSelectAnItem">אנא בחר פריט</system:String>
     <system:String x:Key="deleteCustomHotkeyWarning">Are you sure you want to delete {0} plugin hotkey?</system:String>
     <system:String x:Key="deleteCustomShortcutWarning">Are you sure you want to delete shortcut: {0} with expansion {1}?</system:String>
@@ -259,8 +259,8 @@
     <system:String x:Key="enableProxy">Enable HTTP Proxy</system:String>
     <system:String x:Key="server">HTTP Server</system:String>
     <system:String x:Key="port">Port</system:String>
-    <system:String x:Key="userName">User Name</system:String>
-    <system:String x:Key="password">Password</system:String>
+    <system:String x:Key="userName">שם משתמש</system:String>
+    <system:String x:Key="password">סיסמא</system:String>
     <system:String x:Key="testProxy">Test Proxy</system:String>
     <system:String x:Key="save">שמור</system:String>
     <system:String x:Key="serverCantBeEmpty">Server field can't be empty</system:String>
@@ -272,11 +272,11 @@
 
     <!--  Setting About  -->
     <system:String x:Key="about">אודות</system:String>
-    <system:String x:Key="website">Website</system:String>
-    <system:String x:Key="github">GitHub</system:String>
-    <system:String x:Key="docs">Docs</system:String>
-    <system:String x:Key="version">Version</system:String>
-    <system:String x:Key="icons">Icons</system:String>
+    <system:String x:Key="website">אתר אינטרנט</system:String>
+    <system:String x:Key="github">Github</system:String>
+    <system:String x:Key="docs">תיעוד</system:String>
+    <system:String x:Key="version">גרסה</system:String>
+    <system:String x:Key="icons">סמלים</system:String>
     <system:String x:Key="about_activate_times">You have activated Flow Launcher {0} times</system:String>
     <system:String x:Key="checkUpdates">Check for Updates</system:String>
     <system:String x:Key="BecomeASponsor">Become A Sponsor</system:String>
@@ -302,8 +302,8 @@
     <system:String x:Key="fileManagerWindow">Select File Manager</system:String>
     <system:String x:Key="fileManager_tips">Please specify the file location of the file manager you using and add arguments as required. The &quot;%d&quot; represents the directory path to open for, used by the Arg for Folder field and for commands opening specific directories. The &quot;%f&quot; represents the file path to open for, used by the Arg for File field and for commands opening specific files.</system:String>
     <system:String x:Key="fileManager_tips2">For example, if the file manager uses a command such as &quot;totalcmd.exe /A c:\windows&quot; to open the c:\windows directory, the File Manager Path will be totalcmd.exe, and the Arg For Folder will be /A &quot;%d&quot;. Certain file managers like QTTabBar may just require a path to be supplied, in this instance use &quot;%d&quot; as the File Manager Path and leave the rest of the fileds blank.</system:String>
-    <system:String x:Key="fileManager_name">File Manager</system:String>
-    <system:String x:Key="fileManager_profile_name">Profile Name</system:String>
+    <system:String x:Key="fileManager_name">מנהל קבצים</system:String>
+    <system:String x:Key="fileManager_profile_name">שם פרופיל</system:String>
     <system:String x:Key="fileManager_path">File Manager Path</system:String>
     <system:String x:Key="fileManager_directory_arg">Arg For Folder</system:String>
     <system:String x:Key="fileManager_file_arg">Arg For File</system:String>
@@ -314,9 +314,9 @@
     <system:String x:Key="defaultBrowser_name">Browser</system:String>
     <system:String x:Key="defaultBrowser_profile_name">Browser Name</system:String>
     <system:String x:Key="defaultBrowser_path">Browser Path</system:String>
-    <system:String x:Key="defaultBrowser_newWindow">New Window</system:String>
-    <system:String x:Key="defaultBrowser_newTab">New Tab</system:String>
-    <system:String x:Key="defaultBrowser_parameter">Private Mode</system:String>
+    <system:String x:Key="defaultBrowser_newWindow">חלון חדש</system:String>
+    <system:String x:Key="defaultBrowser_newTab">כרטיסייה חדשה</system:String>
+    <system:String x:Key="defaultBrowser_parameter">מצב פרטיות</system:String>
 
     <!--  Priority Setting Dialog  -->
     <system:String x:Key="changePriorityWindow">Change Priority</system:String>
@@ -362,14 +362,14 @@ If you add an '@' prefix while inputting a shortcut, it matches any position in
     <system:String x:Key="commonSave">שמור</system:String>
     <system:String x:Key="commonOverwrite">Overwrite</system:String>
     <system:String x:Key="commonCancel">ביטול</system:String>
-    <system:String x:Key="commonReset">Reset</system:String>
+    <system:String x:Key="commonReset">אפס</system:String>
     <system:String x:Key="commonDelete">מחק</system:String>
-    <system:String x:Key="commonOK">OK</system:String>
-    <system:String x:Key="commonYes">Yes</system:String>
-    <system:String x:Key="commonNo">No</system:String>
+    <system:String x:Key="commonOK">אישור</system:String>
+    <system:String x:Key="commonYes">כן</system:String>
+    <system:String x:Key="commonNo">לא</system:String>
 
     <!--  Crash Reporter  -->
-    <system:String x:Key="reportWindow_version">Version</system:String>
+    <system:String x:Key="reportWindow_version">גרסה</system:String>
     <system:String x:Key="reportWindow_time">זמן</system:String>
     <system:String x:Key="reportWindow_reproduce">Please tell us how application crashed so we can fix it</system:String>
     <system:String x:Key="reportWindow_send_report">שלח דיווח</system:String>
@@ -377,21 +377,21 @@ If you add an '@' prefix while inputting a shortcut, it matches any position in
     <system:String x:Key="reportWindow_general">כללי</system:String>
     <system:String x:Key="reportWindow_exceptions">חריגים</system:String>
     <system:String x:Key="reportWindow_exception_type">Exception Type</system:String>
-    <system:String x:Key="reportWindow_source">Source</system:String>
+    <system:String x:Key="reportWindow_source">מקור</system:String>
     <system:String x:Key="reportWindow_stack_trace">Stack Trace</system:String>
-    <system:String x:Key="reportWindow_sending">Sending</system:String>
+    <system:String x:Key="reportWindow_sending">שולח</system:String>
     <system:String x:Key="reportWindow_report_succeed">Report sent successfully</system:String>
     <system:String x:Key="reportWindow_report_failed">Failed to send report</system:String>
     <system:String x:Key="reportWindow_flowlauncher_got_an_error">Flow Launcher got an error</system:String>
 
     <!--  General Notice  -->
-    <system:String x:Key="pleaseWait">Please wait...</system:String>
+    <system:String x:Key="pleaseWait">אנא המתן...</system:String>
 
     <!--  Update  -->
     <system:String x:Key="update_flowlauncher_update_check">Checking for new update</system:String>
     <system:String x:Key="update_flowlauncher_already_on_latest">You already have the latest Flow Launcher version</system:String>
-    <system:String x:Key="update_flowlauncher_update_found">Update found</system:String>
-    <system:String x:Key="update_flowlauncher_updating">Updating...</system:String>
+    <system:String x:Key="update_flowlauncher_update_found">עדכון נמצא</system:String>
+    <system:String x:Key="update_flowlauncher_updating">מעדכן...</system:String>
     <system:String x:Key="update_flowlauncher_fail_moving_portable_user_profile_data">
         Flow Launcher was not able to move your user profile data to the new update version.
         Please manually move your profile data folder from {0} to {1}
@@ -405,7 +405,7 @@ If you add an '@' prefix while inputting a shortcut, it matches any position in
     <system:String x:Key="update_flowlauncher_check_connection">Check your connection and try updating proxy settings to github-cloud.s3.amazonaws.com.</system:String>
     <system:String x:Key="update_flowlauncher_update_restart_flowlauncher_tip">This upgrade will restart Flow Launcher</system:String>
     <system:String x:Key="update_flowlauncher_update_update_files">Following files will be updated</system:String>
-    <system:String x:Key="update_flowlauncher_update_files">Update files</system:String>
+    <system:String x:Key="update_flowlauncher_update_files">עדכן קבצים</system:String>
     <system:String x:Key="update_flowlauncher_update_update_description">Update description</system:String>
 
     <!--  Welcome Window  -->
@@ -416,7 +416,7 @@ If you add an '@' prefix while inputting a shortcut, it matches any position in
     <system:String x:Key="Welcome_Page2_Title">Search and run all files and applications on your PC</system:String>
     <system:String x:Key="Welcome_Page2_Text01">Search everything from applications, files, bookmarks, YouTube, Twitter and more. All from the comfort of your keyboard without ever touching the mouse.</system:String>
     <system:String x:Key="Welcome_Page2_Text02">Flow Launcher starts with the hotkey below, go ahead and try it out now. To change it, click on the input and press the desired hotkey on the keyboard.</system:String>
-    <system:String x:Key="Welcome_Page3_Title">Hotkeys</system:String>
+    <system:String x:Key="Welcome_Page3_Title">מקשי קיצור</system:String>
     <system:String x:Key="Welcome_Page4_Title">Action Keyword and Commands</system:String>
     <system:String x:Key="Welcome_Page4_Text01">Search the web, launch applications or run various functions through Flow Launcher plugins. Certain functions start with an action keyword, and if necessary, they can be used without action keywords. Try the queries below in Flow Launcher.</system:String>
     <system:String x:Key="Welcome_Page5_Title">Let's Start Flow Launcher</system:String>

Flow.Launcher/MainWindow.xaml

@@ -20,6 +20,7 @@
     Closing="OnClosing"
     Deactivated="OnDeactivated"
     Icon="Images/app.png"
+    SourceInitialized="OnSourceInitialized"
     Initialized="OnInitialized"
     Left="{Binding Settings.WindowLeft, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
     Loaded="OnLoaded"
@@ -37,7 +38,7 @@
     mc:Ignorable="d">
     <!--  WindowChrome  -->
     <WindowChrome.WindowChrome>
-        <WindowChrome CaptionHeight="9" ResizeBorderThickness="32 4 32 32" />
+        <WindowChrome CaptionHeight="9" />
     </WindowChrome.WindowChrome>
     <Window.Resources>
         <converters:QuerySuggestionBoxConverter x:Key="QuerySuggestionBoxConverter" />

Flow.Launcher/MainWindow.xaml.cs

@@ -26,7 +26,7 @@ using System.Media;
 using DataObject = System.Windows.DataObject;
 using System.Windows.Media;
 using System.Windows.Interop;
-using System.Runtime.InteropServices;
+using Windows.Win32;
 
 namespace Flow.Launcher
 {
@@ -34,9 +34,6 @@ namespace Flow.Launcher
     {
         #region Private Fields
 
-        [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
-        public static extern IntPtr SetForegroundWindow(IntPtr hwnd);
-
         private readonly Storyboard _progressBarStoryboard = new Storyboard();
         private bool isProgressBarStoryboardPaused;
         private Settings _settings;
@@ -81,21 +78,19 @@ namespace Flow.Launcher
             InitializeComponent();
         }
 
-        private const int WM_ENTERSIZEMOVE = 0x0231;
-        private const int WM_EXITSIZEMOVE = 0x0232;
         private int _initialWidth;
         private int _initialHeight;
 
         private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
         {
-            if (msg == WM_ENTERSIZEMOVE)
+            if (msg == PInvoke.WM_ENTERSIZEMOVE)
             {
                 _initialWidth = (int)Width;
                 _initialHeight = (int)Height;
                 handled = true;
             }
 
-            if (msg == WM_EXITSIZEMOVE)
+            if (msg == PInvoke.WM_EXITSIZEMOVE)
             {
                 if (_initialHeight != (int)Height)
                 {
@@ -176,6 +171,11 @@ namespace Flow.Launcher
             Environment.Exit(0);
         }
 
+        private void OnSourceInitialized(object sender, EventArgs e)
+        {
+            WindowsInteropHelper.HideFromAltTab(this);
+        }
+
         private void OnInitialized(object sender, EventArgs e)
         {
         }
@@ -424,7 +424,7 @@ namespace Flow.Launcher
                         // Get context menu handle and bring it to the foreground
                         if (PresentationSource.FromVisual(contextMenu) is HwndSource hwndSource)
                         {
-                            _ = SetForegroundWindow(hwndSource.Handle);
+                            PInvoke.SetForegroundWindow(new(hwndSource.Handle));
                         }
 
                         contextMenu.Focus();
@@ -438,7 +438,7 @@ namespace Flow.Launcher
             if (_settings.FirstLaunch)
             {
                 _settings.FirstLaunch = false;
-                PluginManager.API.SaveAppAllSettings();
+                App.API.SaveAppAllSettings();
                 OpenWelcomeWindow();
             }
         }
@@ -692,7 +692,7 @@ namespace Flow.Launcher
                     screen = Screen.PrimaryScreen;
                     break;
                 case SearchWindowScreens.Focus:
-                    IntPtr foregroundWindowHandle = WindowsInteropHelper.GetForegroundWindow();
+                    var foregroundWindowHandle = PInvoke.GetForegroundWindow().Value;
                     screen = Screen.FromHandle(foregroundWindowHandle);
                     break;
                 case SearchWindowScreens.Custom:

Flow.Launcher/MessageBoxEx.xaml

@@ -1,9 +1,9 @@
 <Window
-    x:Class="Flow.Launcher.Core.MessageBoxEx"
+    x:Class="Flow.Launcher.MessageBoxEx"
     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:local="clr-namespace:Flow.Launcher.Core"
+    xmlns:local="clr-namespace:Flow.Launcher"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     x:Name="MessageBoxWindow"
     Width="420"
@@ -12,6 +12,7 @@
     Foreground="{DynamicResource PopupTextColor}"
     ResizeMode="NoResize"
     SizeToContent="Height"
+    Topmost="True"
     WindowStartupLocation="CenterScreen"
     mc:Ignorable="d">
     <WindowChrome.WindowChrome>

Flow.Launcher/MessageBoxEx.xaml.cs

@@ -7,7 +7,7 @@ using Flow.Launcher.Infrastructure;
 using Flow.Launcher.Infrastructure.Image;
 using Flow.Launcher.Infrastructure.Logger;
 
-namespace Flow.Launcher.Core
+namespace Flow.Launcher
 {
     public partial class MessageBoxEx : Window
     {

Flow.Launcher/NativeMethods.txt

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

Flow.Launcher/PriorityChangeWindow.xaml

@@ -29,14 +29,11 @@
             <StackPanel>
                 <Grid>
                     <Grid.ColumnDefinitions>
-                        <ColumnDefinition Width="Auto" />
                         <ColumnDefinition Width="*" />
                         <ColumnDefinition Width="Auto" />
-                        <ColumnDefinition Width="Auto" />
-                        <ColumnDefinition Width="Auto" />
                     </Grid.ColumnDefinitions>
                     <Button
-                        Grid.Column="4"
+                        Grid.Column="1"
                         Click="BtnCancel_OnClick"
                         Style="{StaticResource TitleBarCloseButtonStyle}">
                         <Path

Flow.Launcher/PriorityChangeWindow.xaml.cs

@@ -24,7 +24,7 @@ namespace Flow.Launcher
             this.pluginViewModel = pluginViewModel;
             if (plugin == null)
             {
-                MessageBoxEx.Show(translater.GetTranslation("cannotFindSpecifiedPlugin"));
+                App.API.ShowMsgBox(translater.GetTranslation("cannotFindSpecifiedPlugin"));
                 Close();
             }
         }
@@ -44,7 +44,7 @@ namespace Flow.Launcher
             else
             {
                 string msg = translater.GetTranslation("invalidPriority");
-                MessageBoxEx.Show(msg);
+                App.API.ShowMsgBox(msg);
             }
 
         }

Flow.Launcher/ProgressBoxEx.xaml

@@ -0,0 +1,136 @@
+<Window
+    x:Class="Flow.Launcher.ProgressBoxEx"
+    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:local="clr-namespace:Flow.Launcher"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    x:Name="MessageBoxWindow"
+    Width="420"
+    Height="Auto"
+    Background="{DynamicResource PopuBGColor}"
+    Foreground="{DynamicResource PopupTextColor}"
+    ResizeMode="NoResize"
+    SizeToContent="Height"
+    Topmost="True"
+    WindowStartupLocation="CenterScreen"
+    mc:Ignorable="d">
+    <WindowChrome.WindowChrome>
+        <WindowChrome CaptionHeight="32" ResizeBorderThickness="{x:Static SystemParameters.WindowResizeBorderThickness}" />
+    </WindowChrome.WindowChrome>
+    <Window.InputBindings>
+        <KeyBinding Key="Escape" Command="Close" />
+    </Window.InputBindings>
+    <Window.CommandBindings>
+        <CommandBinding Command="Close" Executed="KeyEsc_OnPress" />
+    </Window.CommandBindings>
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition />
+            <RowDefinition MinHeight="68" />
+        </Grid.RowDefinitions>
+        <StackPanel Grid.Row="0">
+            <StackPanel>
+                <Grid>
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="*" />
+                        <ColumnDefinition Width="Auto" />
+                        <ColumnDefinition Width="Auto" />
+                    </Grid.ColumnDefinitions>
+                    <Button
+                        Grid.Column="1"
+                        Click="Button_Minimize"
+                        RenderOptions.EdgeMode="Aliased"
+                        Style="{DynamicResource TitleBarButtonStyle}">
+                        <Path
+                            Width="46"
+                            Height="32"
+                            Data="M 18,15 H 28"
+                            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>
+                    <Button
+                        Grid.Column="2"
+                        Click="Button_Cancel"
+                        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>
+        <Grid Grid.Row="1" Margin="30 0 30 24">
+            <Grid.RowDefinitions>
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
+            </Grid.RowDefinitions>
+            <TextBlock
+                x:Name="TitleTextBlock"
+                Grid.Row="0"
+                MaxWidth="400"
+                Margin="0 0 26 12"
+                VerticalAlignment="Center"
+                FontFamily="Segoe UI"
+                FontSize="20"
+                FontWeight="SemiBold"
+                TextAlignment="Left"
+                TextWrapping="Wrap" />
+            <ProgressBar
+                x:Name="ProgressBar"
+                Grid.Row="1"
+                Margin="0 0 26 0"
+                Maximum="100"
+                Minimum="0"
+                Value="0" />
+        </Grid>
+        <Border
+            Grid.Row="2"
+            Margin="0 0 0 0"
+            Background="{DynamicResource PopupButtonAreaBGColor}"
+            BorderBrush="{DynamicResource PopupButtonAreaBorderColor}"
+            BorderThickness="0 1 0 0">
+            <WrapPanel
+                HorizontalAlignment="Center"
+                VerticalAlignment="Center"
+                Orientation="Horizontal">
+                <Button
+                    x:Name="btnBackground"
+                    MinWidth="120"
+                    Margin="5 0 5 0"
+                    Click="Button_Background"
+                    Content="{DynamicResource commonBackground}" />
+                <Button
+                    x:Name="btnCancel"
+                    MinWidth="120"
+                    Margin="5 0 5 0"
+                    Click="Button_Cancel"
+                    Content="{DynamicResource commonCancel}" />
+            </WrapPanel>
+        </Border>
+    </Grid>
+</Window>

Flow.Launcher/ProgressBoxEx.xaml.cs

@@ -0,0 +1,119 @@
+using System;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Input;
+using Flow.Launcher.Infrastructure.Logger;
+
+namespace Flow.Launcher
+{
+    public partial class ProgressBoxEx : Window
+    {
+        private readonly Action _cancelProgress;
+
+        private ProgressBoxEx(Action cancelProgress)
+        {
+            _cancelProgress = cancelProgress;
+            InitializeComponent();
+        }
+
+        public static async Task ShowAsync(string caption, Func<Action<double>, Task> reportProgressAsync, Action cancelProgress = null)
+        {
+            ProgressBoxEx prgBox = null;
+            try
+            {
+                if (!Application.Current.Dispatcher.CheckAccess())
+                {
+                    await Application.Current.Dispatcher.InvokeAsync(() =>
+                    {
+                        prgBox = new ProgressBoxEx(cancelProgress)
+                        {
+                            Title = caption
+                        };
+                        prgBox.TitleTextBlock.Text = caption;
+                        prgBox.Show();
+                    });
+                }
+                else
+                {
+                    prgBox = new ProgressBoxEx(cancelProgress)
+                    {
+                        Title = caption
+                    };
+                    prgBox.TitleTextBlock.Text = caption;
+                    prgBox.Show();
+                }
+
+                await reportProgressAsync(prgBox.ReportProgress).ConfigureAwait(false);
+            }
+            catch (Exception e)
+            {
+                Log.Error($"|ProgressBoxEx.Show|An error occurred: {e.Message}");
+
+                await reportProgressAsync(null).ConfigureAwait(false);
+            }
+            finally
+            {
+                if (!Application.Current.Dispatcher.CheckAccess())
+                {
+                    await Application.Current.Dispatcher.InvokeAsync(() =>
+                    {
+                        prgBox?.Close();
+                    });
+                }
+                else
+                {
+                    prgBox?.Close();
+                }
+            }
+        }
+
+        private void ReportProgress(double progress)
+        {
+            if (!Application.Current.Dispatcher.CheckAccess())
+            {
+                Application.Current.Dispatcher.Invoke(() => ReportProgress(progress));
+                return;
+            }
+
+            if (progress < 0)
+            {
+                ProgressBar.Value = 0;
+            }
+            else if (progress >= 100)
+            {
+                ProgressBar.Value = 100;
+                Close();
+            }
+            else
+            {
+                ProgressBar.Value = progress;
+            }
+        }
+
+        private void KeyEsc_OnPress(object sender, ExecutedRoutedEventArgs e)
+        {
+            ForceClose();
+        }
+
+        private void Button_Cancel(object sender, RoutedEventArgs e)
+        {
+            ForceClose();
+        }
+
+        private void Button_Minimize(object sender, RoutedEventArgs e)
+        {
+            WindowState = WindowState.Minimized;
+        }
+
+        private void Button_Background(object sender, RoutedEventArgs e)
+        {
+            Hide();
+        }
+
+        private void ForceClose()
+        {
+            Close();
+            _cancelProgress?.Invoke();
+        }
+    }
+}

Flow.Launcher/PublicAPIInstance.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Net;
@@ -25,23 +25,23 @@ 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;
 
 namespace Flow.Launcher
 {
     public class PublicAPIInstance : IPublicAPI
     {
-        private readonly SettingWindowViewModel _settingsVM;
+        private readonly Settings _settings;
         private readonly MainViewModel _mainVM;
-        private readonly PinyinAlphabet _alphabet;
 
         #region Constructor
 
-        public PublicAPIInstance(SettingWindowViewModel settingsVM, MainViewModel mainVM, PinyinAlphabet alphabet)
+        public PublicAPIInstance(Settings settings, MainViewModel mainVM)
         {
-            _settingsVM = settingsVM;
+            _settings = settings;
             _mainVM = mainVM;
-            _alphabet = alphabet;
             GlobalHotkey.hookedKeyboardCallback = KListener_hookedKeyboardCallback;
             WebRequest.RegisterPrefix("data", new DataWebRequestFactory());
         }
@@ -78,14 +78,15 @@ namespace Flow.Launcher
 
         public event VisibilityChangedEventHandler VisibilityChanged { add => _mainVM.VisibilityChanged += value; remove => _mainVM.VisibilityChanged -= value; }
 
-        public void CheckForNewUpdate() => _settingsVM.UpdateApp();
+        // Must use Ioc.Default.GetRequiredService<Updater>() to avoid circular dependency
+        public void CheckForNewUpdate() => _ = Ioc.Default.GetRequiredService<Updater>().UpdateAppAsync(false);
 
         public void SaveAppAllSettings()
         {
             PluginManager.Save();
             _mainVM.Save();
-            _settingsVM.Save();
-            ImageLoader.Save();
+            _settings.Save();
+            _ = ImageLoader.Save();
         }
 
         public Task ReloadAllPluginData() => PluginManager.ReloadDataAsync();
@@ -105,7 +106,7 @@ namespace Flow.Launcher
         {
             Application.Current.Dispatcher.Invoke(() =>
             {
-                SettingWindow sw = SingletonWindowOpener.Open<SettingWindow>(this, _settingsVM);
+                SettingWindow sw = SingletonWindowOpener.Open<SettingWindow>();
             });
         }
 
@@ -126,9 +127,9 @@ namespace Flow.Launcher
             if (directCopy && (isFile || Directory.Exists(stringToCopy)))
             {
                 var paths = new StringCollection
-                {
-                    stringToCopy
-                };
+                    {
+                        stringToCopy
+                    };
 
                 Clipboard.SetFileDropList(paths);
 
@@ -164,8 +165,8 @@ namespace Flow.Launcher
         public Task<Stream> HttpGetStreamAsync(string url, CancellationToken token = default) =>
             Http.GetStreamAsync(url);
 
-        public Task HttpDownloadAsync([NotNull] string url, [NotNull] string filePath,
-            CancellationToken token = default) => Http.DownloadAsync(url, filePath, token);
+        public Task HttpDownloadAsync([NotNull] string url, [NotNull] string filePath, Action<double> reportProgress = null,
+            CancellationToken token = default) => Http.DownloadAsync(url, filePath, reportProgress, token);
 
         public void AddActionKeyword(string pluginId, string newActionKeyword) =>
             PluginManager.AddActionKeyword(pluginId, newActionKeyword);
@@ -189,6 +190,23 @@ namespace Flow.Launcher
 
         private readonly ConcurrentDictionary<Type, object> _pluginJsonStorages = new();
 
+        public object RemovePluginSettings(string assemblyName)
+        {
+            foreach (var keyValuePair in _pluginJsonStorages)
+            {
+                var key = keyValuePair.Key;
+                var value = keyValuePair.Value;
+                var name = value.GetType().GetField("AssemblyName")?.GetValue(value)?.ToString();
+                if (name == assemblyName)
+                {
+                    _pluginJsonStorages.Remove(key, out var pluginJsonStorage);
+                    return pluginJsonStorage;
+                }
+            }
+
+            return null;
+        }
+
         /// <summary>
         /// Save plugin settings.
         /// </summary>
@@ -230,7 +248,7 @@ namespace Flow.Launcher
         public void OpenDirectory(string DirectoryPath, string FileNameOrFilePath = null)
         {
             using var explorer = new Process();
-            var explorerInfo = _settingsVM.Settings.CustomExplorer;
+            var explorerInfo = _settings.CustomExplorer;
 
             explorer.StartInfo = new ProcessStartInfo
             {
@@ -251,7 +269,7 @@ namespace Flow.Launcher
         {
             if (uri.Scheme == Uri.UriSchemeHttp || uri.Scheme == Uri.UriSchemeHttps)
             {
-                var browserInfo = _settingsVM.Settings.CustomBrowser;
+                var browserInfo = _settings.CustomBrowser;
 
                 var path = browserInfo.Path == "*" ? "" : browserInfo.Path;
 
@@ -324,6 +342,8 @@ namespace Flow.Launcher
         public MessageBoxResult ShowMsgBox(string messageBoxText, string caption = "", MessageBoxButton button = MessageBoxButton.OK, MessageBoxImage icon = MessageBoxImage.None, MessageBoxResult defaultResult = MessageBoxResult.OK) =>
             MessageBoxEx.Show(messageBoxText, caption, button, icon, defaultResult);
 
+        public Task ShowProgressBoxAsync(string caption, Func<Action<double>, Task> reportProgressAsync, Action cancelProgress = null) => ProgressBoxEx.ShowAsync(caption, reportProgressAsync, cancelProgress);
+
         #endregion
 
         #region Private Methods

Flow.Launcher/ReportWindow.xaml

@@ -1,23 +1,82 @@
-<Window x:Class="Flow.Launcher.ReportWindow"
-             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" 
-             mc:Ignorable="d" 
-             WindowStartupLocation="CenterScreen"
-             Icon="Images/app_error.png"
-             Topmost="True"
-             ResizeMode="NoResize"
-             Width="600"
-             Height="455"
-             Title="{DynamicResource reportWindow_flowlauncher_got_an_error}"
-             d:DesignHeight="300" d:DesignWidth="600" x:ClassModifier="internal">
-    <RichTextBox x:Name="ErrorTextbox" 
-                 IsDocumentEnabled="True"
-                 VerticalScrollBarVisibility="Auto" 
-                 HorizontalScrollBarVisibility="Auto" 
-                 FontSize="14" 
-                 Margin="10"
-                 BorderThickness="0"/>
+<Window
+    x:Class="Flow.Launcher.ReportWindow"
+    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"
+    Title="{DynamicResource reportWindow_flowlauncher_got_an_error}"
+    Width="600"
+    Height="455"
+    d:DesignHeight="300"
+    d:DesignWidth="600"
+    x:ClassModifier="internal"
+    Background="{DynamicResource PopuBGColor}"
+    Foreground="{DynamicResource PopupTextColor}"
+    Icon="/Images/app_error.png"
+    ResizeMode="NoResize"
+    Topmost="True"
+    WindowStartupLocation="CenterScreen"
+    mc:Ignorable="d">
+    <WindowChrome.WindowChrome>
+        <WindowChrome CaptionHeight="32" ResizeBorderThickness="{x:Static SystemParameters.WindowResizeBorderThickness}" />
+    </WindowChrome.WindowChrome>
+
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="*" />
+        </Grid.RowDefinitions>
+        <Grid>
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="Auto" />
+                <ColumnDefinition Width="*" />
+                <ColumnDefinition Width="Auto" />
+            </Grid.ColumnDefinitions>
+            <Image
+                Grid.Column="0"
+                Width="16"
+                Height="16"
+                Margin="10 4 4 4"
+                RenderOptions.BitmapScalingMode="HighQuality"
+                Source="/Images/app_error.png" />
+            <TextBlock
+                Grid.Column="1"
+                Margin="4 0 0 0"
+                VerticalAlignment="Center"
+                FontSize="12"
+                Foreground="{DynamicResource Color05B}"
+                Text="{DynamicResource reportWindow_flowlauncher_got_an_error}" />
+            <Button
+                Grid.Column="2"
+                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>
+        <RichTextBox
+            x:Name="ErrorTextbox"
+            Grid.Row="1"
+            Margin="10"
+            BorderThickness="0"
+            FontSize="14"
+            HorizontalScrollBarVisibility="Auto"
+            IsDocumentEnabled="True"
+            VerticalScrollBarVisibility="Auto" />
+    </Grid>
 
 </Window>

Flow.Launcher/ReportWindow.xaml.cs

@@ -43,20 +43,21 @@ namespace Flow.Launcher
             var log = directory.GetFiles().OrderByDescending(f => f.LastWriteTime).First();
 
             var websiteUrl = exception switch
-                {
-                    FlowPluginException pluginException =>GetIssuesUrl(pluginException.Metadata.Website),
-                    _ => Constant.IssuesUrl
-                };
-                
+            {
+                FlowPluginException pluginException =>GetIssuesUrl(pluginException.Metadata.Website),
+                _ => Constant.IssuesUrl
+            };
 
-            var paragraph = Hyperlink("Please open new issue in: ", websiteUrl);
-            paragraph.Inlines.Add($"1. upload log file: {log.FullName}\n");
-            paragraph.Inlines.Add($"2. copy below exception message");
+            var paragraph = Hyperlink(App.API.GetTranslation("reportWindow_please_open_issue"), websiteUrl);
+            paragraph.Inlines.Add(string.Format(App.API.GetTranslation("reportWindow_upload_log"), log.FullName));
+            paragraph.Inlines.Add("\n");
+            paragraph.Inlines.Add(App.API.GetTranslation("reportWindow_copy_below"));
             ErrorTextbox.Document.Blocks.Add(paragraph);
 
             StringBuilder content = new StringBuilder();
             content.AppendLine(ErrorReporting.RuntimeInfo());
             content.AppendLine(ErrorReporting.DependenciesInfo());
+            content.AppendLine();
             content.AppendLine($"Date: {DateTime.Now.ToString(CultureInfo.InvariantCulture)}");
             content.AppendLine("Exception:");
             content.AppendLine(exception.ToString());
@@ -65,10 +66,12 @@ namespace Flow.Launcher
             ErrorTextbox.Document.Blocks.Add(paragraph);
         }
 
-        private Paragraph Hyperlink(string textBeforeUrl, string url)
+        private static Paragraph Hyperlink(string textBeforeUrl, string url)
         {
-            var paragraph = new Paragraph();
-            paragraph.Margin = new Thickness(0);
+            var paragraph = new Paragraph
+            {
+                Margin = new Thickness(0)
+            };
 
             var link = new Hyperlink
             {
@@ -79,10 +82,16 @@ namespace Flow.Launcher
             link.Click += (s, e) => SearchWeb.OpenInBrowserTab(url);
 
             paragraph.Inlines.Add(textBeforeUrl);
+            paragraph.Inlines.Add(" ");
             paragraph.Inlines.Add(link);
             paragraph.Inlines.Add("\n");
 
             return paragraph;
         }
+
+        private void BtnCancel_OnClick(object sender, RoutedEventArgs e)
+        {
+            Close();
+        }
     }
 }

Flow.Launcher/Resources/Pages/WelcomePage2.xaml.cs

@@ -2,11 +2,10 @@
 using Flow.Launcher.Infrastructure.Hotkey;
 using Flow.Launcher.Infrastructure.UserSettings;
 using System;
-using System.Windows;
-using System.Windows.Media;
 using System.Windows.Navigation;
 using CommunityToolkit.Mvvm.Input;
 using Flow.Launcher.ViewModel;
+using System.Windows.Media;
 
 namespace Flow.Launcher.Resources.Pages
 {
@@ -29,5 +28,10 @@ namespace Flow.Launcher.Resources.Pages
         {
             HotKeyMapper.SetHotkey(hotkey, HotKeyMapper.OnToggleHotkey);
         }
+
+        public Brush PreviewBackground
+        {
+            get => WallpaperPathRetrieval.GetWallpaperBrush();
+        }
     }
 }

Flow.Launcher/SelectBrowserWindow.xaml

@@ -28,14 +28,11 @@
             <StackPanel>
                 <Grid>
                     <Grid.ColumnDefinitions>
-                        <ColumnDefinition Width="Auto" />
                         <ColumnDefinition Width="*" />
                         <ColumnDefinition Width="Auto" />
-                        <ColumnDefinition Width="Auto" />
-                        <ColumnDefinition Width="Auto" />
                     </Grid.ColumnDefinitions>
                     <Button
-                        Grid.Column="4"
+                        Grid.Column="1"
                         Click="btnCancel_Click"
                         Style="{StaticResource TitleBarCloseButtonStyle}">
                         <Path

Flow.Launcher/SelectFileManagerWindow.xaml

@@ -28,14 +28,11 @@
                 <StackPanel>
                     <Grid Grid.Row="0">
                         <Grid.ColumnDefinitions>
-                            <ColumnDefinition Width="Auto" />
                             <ColumnDefinition Width="*" />
                             <ColumnDefinition Width="Auto" />
-                            <ColumnDefinition Width="Auto" />
-                            <ColumnDefinition Width="Auto" />
                         </Grid.ColumnDefinitions>
                         <Button
-                            Grid.Column="4"
+                            Grid.Column="1"
                             Click="btnCancel_Click"
                             Style="{StaticResource TitleBarCloseButtonStyle}">
                             <Path

Flow.Launcher/SettingPages/ViewModels/SettingsPaneAboutViewModel.cs

@@ -6,9 +6,9 @@ using System.Threading.Tasks;
 using System.Windows;
 using CommunityToolkit.Mvvm.Input;
 using Flow.Launcher.Core;
-using Flow.Launcher.Core.Plugin;
 using Flow.Launcher.Core.Resource;
 using Flow.Launcher.Infrastructure;
+using Flow.Launcher.Infrastructure.Logger;
 using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.Plugin;
 
@@ -46,10 +46,35 @@ public partial class SettingsPaneAboutViewModel : BaseModel
         _settings.ActivateTimes
     );
 
+    public class LogLevelData : DropdownDataGeneric<LOGLEVEL> { }
+
+    public List<LogLevelData> LogLevels { get; } =
+        DropdownDataGeneric<LOGLEVEL>.GetValues<LogLevelData>("LogLevel");
+
+    public LOGLEVEL LogLevel
+    {
+        get => _settings.LogLevel;
+        set
+        {
+            if (_settings.LogLevel != value)
+            {
+                _settings.LogLevel = value;
+
+                Log.SetLogLevel(value);
+            }
+        }
+    }
+
     public SettingsPaneAboutViewModel(Settings settings, Updater updater)
     {
         _settings = settings;
         _updater = updater;
+        UpdateEnumDropdownLocalizations();
+    }
+
+    private void UpdateEnumDropdownLocalizations()
+    {
+        DropdownDataGeneric<LOGLEVEL>.UpdateLabels(LogLevels);
     }
 
     [RelayCommand]
@@ -62,7 +87,7 @@ public partial class SettingsPaneAboutViewModel : BaseModel
     [RelayCommand]
     private void AskClearLogFolderConfirmation()
     {
-        var confirmResult = MessageBoxEx.Show(
+        var confirmResult = App.API.ShowMsgBox(
             InternationalizationManager.Instance.GetTranslation("clearlogfolderMessage"),
             InternationalizationManager.Instance.GetTranslation("clearlogfolder"),
             MessageBoxButton.YesNo
@@ -77,7 +102,7 @@ public partial class SettingsPaneAboutViewModel : BaseModel
     [RelayCommand]
     private void OpenSettingsFolder()
     {
-        PluginManager.API.OpenDirectory(Path.Combine(DataLocation.DataDirectory(), Constant.Settings));
+        App.API.OpenDirectory(Path.Combine(DataLocation.DataDirectory(), Constant.Settings));
     }
 
     [RelayCommand]
@@ -85,7 +110,7 @@ public partial class SettingsPaneAboutViewModel : BaseModel
     {
         string settingsFolderPath = Path.Combine(DataLocation.DataDirectory(), Constant.Settings);
         string parentFolderPath = Path.GetDirectoryName(settingsFolderPath);
-        PluginManager.API.OpenDirectory(parentFolderPath);
+        App.API.OpenDirectory(parentFolderPath);
     }
 
 
@@ -96,7 +121,7 @@ public partial class SettingsPaneAboutViewModel : BaseModel
     }
 
     [RelayCommand]
-    private Task UpdateApp() => _updater.UpdateAppAsync(App.API, false);
+    private Task UpdateApp() => _updater.UpdateAppAsync(false);
 
     private void ClearLogFolder()
     {
@@ -139,5 +164,4 @@ public partial class SettingsPaneAboutViewModel : BaseModel
 
         return "0 B";
     }
-
 }

Flow.Launcher/SettingPages/ViewModels/SettingsPaneGeneralViewModel.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
 using System.Windows.Forms;
 using CommunityToolkit.Mvvm.Input;
 using Flow.Launcher.Core;
@@ -42,9 +41,20 @@ public partial class SettingsPaneGeneralViewModel : BaseModel
             try
             {
                 if (value)
-                    AutoStartup.Enable();
+                {
+                    if (UseLogonTaskForStartup)
+                    {
+                        AutoStartup.EnableViaLogonTask();
+                    }
+                    else
+                    {
+                        AutoStartup.EnableViaRegistry();
+                    }
+                }
                 else
-                    AutoStartup.Disable();
+                {
+                    AutoStartup.DisableViaLogonTaskAndRegistry();
+                }  
             }
             catch (Exception e)
             {
@@ -54,6 +64,34 @@ public partial class SettingsPaneGeneralViewModel : BaseModel
         }
     }
 
+    public bool UseLogonTaskForStartup
+    {
+        get => Settings.UseLogonTaskForStartup;
+        set
+        {
+            Settings.UseLogonTaskForStartup = value;
+
+            if (StartFlowLauncherOnSystemStartup)
+            {
+                try
+                {
+                    if (UseLogonTaskForStartup)
+                    {
+                        AutoStartup.ChangeToViaLogonTask();
+                    }
+                    else
+                    {
+                        AutoStartup.ChangeToViaRegistry();
+                    }
+                }
+                catch (Exception e)
+                {
+                    Notification.Show(InternationalizationManager.Instance.GetTranslation("setAutoStartFailed"),
+                        e.Message);
+                }
+            } 
+        }
+    }
 
     public List<SearchWindowScreenData> SearchWindowScreens { get; } =
         DropdownDataGeneric<SearchWindowScreens>.GetValues<SearchWindowScreenData>("SearchWindowScreen");
@@ -160,7 +198,7 @@ public partial class SettingsPaneGeneralViewModel : BaseModel
 
     private void UpdateApp()
     {
-        _ = _updater.UpdateAppAsync(App.API, false);
+        _ = _updater.UpdateAppAsync(false);
     }
 
     public bool AutoUpdates

Flow.Launcher/SettingPages/ViewModels/SettingsPaneHotkeyViewModel.cs

@@ -7,7 +7,6 @@ using Flow.Launcher.Infrastructure;
 using Flow.Launcher.Infrastructure.Hotkey;
 using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.Plugin;
-using Flow.Launcher.Core;
 
 namespace Flow.Launcher.SettingPages.ViewModels;
 
@@ -42,11 +41,11 @@ public partial class SettingsPaneHotkeyViewModel : BaseModel
         var item = SelectedCustomPluginHotkey;
         if (item is null)
         {
-            MessageBoxEx.Show(InternationalizationManager.Instance.GetTranslation("pleaseSelectAnItem"));
+            App.API.ShowMsgBox(InternationalizationManager.Instance.GetTranslation("pleaseSelectAnItem"));
             return;
         }
 
-        var result = MessageBoxEx.Show(
+        var result = App.API.ShowMsgBox(
             string.Format(
                 InternationalizationManager.Instance.GetTranslation("deleteCustomHotkeyWarning"), item.Hotkey
             ),
@@ -67,11 +66,11 @@ public partial class SettingsPaneHotkeyViewModel : BaseModel
         var item = SelectedCustomPluginHotkey;
         if (item is null)
         {
-            MessageBoxEx.Show(InternationalizationManager.Instance.GetTranslation("pleaseSelectAnItem"));
+            App.API.ShowMsgBox(InternationalizationManager.Instance.GetTranslation("pleaseSelectAnItem"));
             return;
         }
 
-        var window = new CustomQueryHotkeySetting(null, Settings);
+        var window = new CustomQueryHotkeySetting(Settings);
         window.UpdateItem(item);
         window.ShowDialog();
     }
@@ -79,7 +78,7 @@ public partial class SettingsPaneHotkeyViewModel : BaseModel
     [RelayCommand]
     private void CustomHotkeyAdd()
     {
-        new CustomQueryHotkeySetting(null, Settings).ShowDialog();
+        new CustomQueryHotkeySetting(Settings).ShowDialog();
     }
 
     [RelayCommand]
@@ -88,11 +87,11 @@ public partial class SettingsPaneHotkeyViewModel : BaseModel
         var item = SelectedCustomShortcut;
         if (item is null)
         {
-            MessageBoxEx.Show(InternationalizationManager.Instance.GetTranslation("pleaseSelectAnItem"));
+            App.API.ShowMsgBox(InternationalizationManager.Instance.GetTranslation("pleaseSelectAnItem"));
             return;
         }
 
-        var result = MessageBoxEx.Show(
+        var result = App.API.ShowMsgBox(
             string.Format(
                 InternationalizationManager.Instance.GetTranslation("deleteCustomShortcutWarning"), item.Key, item.Value
             ),
@@ -112,7 +111,7 @@ public partial class SettingsPaneHotkeyViewModel : BaseModel
         var item = SelectedCustomShortcut;
         if (item is null)
         {
-            MessageBoxEx.Show(InternationalizationManager.Instance.GetTranslation("pleaseSelectAnItem"));
+            App.API.ShowMsgBox(InternationalizationManager.Instance.GetTranslation("pleaseSelectAnItem"));
             return;
         }
 

Flow.Launcher/SettingPages/ViewModels/SettingsPanePluginStoreViewModel.cs

@@ -13,8 +13,8 @@ public partial class SettingsPanePluginStoreViewModel : BaseModel
 {
     public string FilterText { get; set; } = string.Empty;
 
-    public IList<PluginStoreItemViewModel> ExternalPlugins => PluginsManifest.UserPlugins
-        .Select(p => new PluginStoreItemViewModel(p))
+    public IList<PluginStoreItemViewModel> ExternalPlugins => 
+        PluginsManifest.UserPlugins?.Select(p => new PluginStoreItemViewModel(p))
         .OrderByDescending(p => p.Category == PluginStoreItemViewModel.NewRelease)
         .ThenByDescending(p => p.Category == PluginStoreItemViewModel.RecentlyUpdated)
         .ThenByDescending(p => p.Category == PluginStoreItemViewModel.None)
@@ -24,8 +24,10 @@ public partial class SettingsPanePluginStoreViewModel : BaseModel
     [RelayCommand]
     private async Task RefreshExternalPluginsAsync()
     {
-        await PluginsManifest.UpdateManifestAsync();
-        OnPropertyChanged(nameof(ExternalPlugins));
+        if (await PluginsManifest.UpdateManifestAsync())
+        {
+            OnPropertyChanged(nameof(ExternalPlugins));
+        }
     }
 
     public bool SatisfiesFilter(PluginStoreItemViewModel plugin)

Flow.Launcher/SettingPages/ViewModels/SettingsPaneProxyViewModel.cs

@@ -22,7 +22,7 @@ public partial class SettingsPaneProxyViewModel : BaseModel
     private void OnTestProxyClicked()
     {
         var message = TestProxy();
-        MessageBoxEx.Show(InternationalizationManager.Instance.GetTranslation(message));
+        App.API.ShowMsgBox(InternationalizationManager.Instance.GetTranslation(message));
     }
 
     private string TestProxy()

Flow.Launcher/SettingPages/ViewModels/SettingsPaneThemeViewModel.cs

@@ -5,7 +5,6 @@ using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Windows.Media;
-using System.Windows.Media.Imaging;
 using CommunityToolkit.Mvvm.Input;
 using Flow.Launcher.Core.Resource;
 using Flow.Launcher.Helper;
@@ -14,7 +13,6 @@ using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.Plugin;
 using Flow.Launcher.ViewModel;
 using ModernWpf;
-using Flow.Launcher.Core;
 using ThemeManager = Flow.Launcher.Core.Resource.ThemeManager;
 using ThemeManagerForColorSchemeSwitch = ModernWpf.ThemeManager;
 
@@ -49,7 +47,7 @@ public partial class SettingsPaneThemeViewModel : BaseModel
         {
             if (ThemeManager.Instance.BlurEnabled && value)
             {
-                MessageBoxEx.Show(InternationalizationManager.Instance.GetTranslation("shadowEffectNotAllowed"));
+                App.API.ShowMsgBox(InternationalizationManager.Instance.GetTranslation("shadowEffectNotAllowed"));
                 return;
             }
 
@@ -212,24 +210,7 @@ public partial class SettingsPaneThemeViewModel : BaseModel
 
     public Brush PreviewBackground
     {
-        get
-        {
-            var wallpaper = WallpaperPathRetrieval.GetWallpaperPath();
-            if (wallpaper is not null && File.Exists(wallpaper))
-            {
-                var memStream = new MemoryStream(File.ReadAllBytes(wallpaper));
-                var bitmap = new BitmapImage();
-                bitmap.BeginInit();
-                bitmap.StreamSource = memStream;
-                bitmap.DecodePixelWidth = 800;
-                bitmap.DecodePixelHeight = 600;
-                bitmap.EndInit();
-                return new ImageBrush(bitmap) { Stretch = Stretch.UniformToFill };
-            }
-
-            var wallpaperColor = WallpaperPathRetrieval.GetWallpaperColor();
-            return new SolidColorBrush(wallpaperColor);
-        }
+        get => WallpaperPathRetrieval.GetWallpaperBrush();
     }
 
     public ResultsViewModel PreviewResults

Flow.Launcher/SettingPages/Views/SettingsPaneAbout.xaml

@@ -123,6 +123,14 @@
                 </StackPanel>
             </cc:Card>
 
+            <cc:Card Title="{DynamicResource logLevel}" Icon="&#xE749;">
+                <ComboBox
+                    DisplayMemberPath="Display"
+                    ItemsSource="{Binding LogLevels}"
+                    SelectedValue="{Binding LogLevel}"
+                    SelectedValuePath="Value" />
+            </cc:Card>
+
             <TextBlock
                 Margin="14 20 0 0"
                 HorizontalAlignment="Center"

Flow.Launcher/SettingPages/Views/SettingsPaneGeneral.xaml

@@ -36,6 +36,13 @@
                     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:Card
                 Title="{DynamicResource hideOnStartup}"
                 Icon="&#xed1a;"

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

@@ -3,7 +3,6 @@ using System.ComponentModel;
 using System.Windows.Data;
 using System.Windows.Input;
 using System.Windows.Navigation;
-using Flow.Launcher.Core.Plugin;
 using Flow.Launcher.SettingPages.ViewModels;
 using Flow.Launcher.ViewModel;
 
@@ -49,7 +48,7 @@ public partial class SettingsPanePluginStore
 
     private void Hyperlink_OnRequestNavigate(object sender, RequestNavigateEventArgs e)
     {
-        PluginManager.API.OpenUrl(e.Uri.AbsoluteUri);
+        App.API.OpenUrl(e.Uri.AbsoluteUri);
         e.Handled = true;
     }
 

Flow.Launcher/SettingWindow.xaml.cs

@@ -3,6 +3,7 @@ using System.Windows;
 using System.Windows.Forms;
 using System.Windows.Input;
 using System.Windows.Interop;
+using CommunityToolkit.Mvvm.DependencyInjection;
 using Flow.Launcher.Core;
 using Flow.Launcher.Core.Configuration;
 using Flow.Launcher.Helper;
@@ -17,16 +18,21 @@ namespace Flow.Launcher;
 
 public partial class SettingWindow
 {
+    private readonly Updater _updater;
+    private readonly IPortable _portable;
     private readonly IPublicAPI _api;
     private readonly Settings _settings;
     private readonly SettingWindowViewModel _viewModel;
 
-    public SettingWindow(IPublicAPI api, SettingWindowViewModel viewModel)
+    public SettingWindow()
     {
-        _settings = viewModel.Settings;
+        var viewModel = Ioc.Default.GetRequiredService<SettingWindowViewModel>();
+        _settings = Ioc.Default.GetRequiredService<Settings>();
         DataContext = viewModel;
         _viewModel = viewModel;
-        _api = api;
+        _updater = Ioc.Default.GetRequiredService<Updater>();
+        _portable = Ioc.Default.GetRequiredService<Portable>();
+        _api = Ioc.Default.GetRequiredService<IPublicAPI>();
         InitializePosition();
         InitializeComponent();
     }
@@ -34,11 +40,11 @@ public partial class SettingWindow
     private void OnLoaded(object sender, RoutedEventArgs e)
     {
         RefreshMaximizeRestoreButton();
-        // Fix (workaround) for the window freezes after lock screen (Win+L)
+        // Fix (workaround) for the window freezes after lock screen (Win+L) or sleep
         // https://stackoverflow.com/questions/4951058/software-rendering-mode-wpf
         HwndSource hwndSource = PresentationSource.FromVisual(this) as HwndSource;
         HwndTarget hwndTarget = hwndSource.CompositionTarget;
-        hwndTarget.RenderMode = RenderMode.Default;
+        hwndTarget.RenderMode = RenderMode.SoftwareOnly;  // Must use software only render mode here
 
         InitializePosition();
     }
@@ -125,7 +131,7 @@ public partial class SettingWindow
         WindowState = _settings.SettingWindowState;
     }
 
-    private bool IsPositionValid(double top, double left)
+    private static bool IsPositionValid(double top, double left)
     {
         foreach (var screen in Screen.AllScreens)
         {
@@ -145,7 +151,7 @@ public partial class SettingWindow
         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 left = (dip2.X - this.ActualWidth) / 2 + dip1.X;
+        var left = (dip2.X - ActualWidth) / 2 + dip1.X;
         return left;
     }
 
@@ -154,13 +160,13 @@ public partial class SettingWindow
         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 top = (dip2.Y - this.ActualHeight) / 2 + dip1.Y - 20;
+        var top = (dip2.Y - ActualHeight) / 2 + dip1.Y - 20;
         return top;
     }
 
     private void NavigationView_SelectionChanged(NavigationView sender, NavigationViewSelectionChangedEventArgs args)
     {
-        var paneData = new PaneData(_settings, _viewModel.Updater, _viewModel.Portable);
+        var paneData = new PaneData(_settings, _updater, _portable);
         if (args.IsSettingsSelected)
         {
             ContentFrame.Navigate(typeof(SettingsPaneGeneral), paneData);

Flow.Launcher/Storage/TopMostRecord.cs

@@ -12,6 +12,8 @@ namespace Flow.Launcher.Storage
 
         internal bool IsTopMost(Result result)
         {
+            // origin query is null when user select the context menu item directly of one item from query list
+            // in this case, we do not need to check if the result is top most
             if (records.IsEmpty || result.OriginQuery == null ||
                 !records.TryGetValue(result.OriginQuery.RawQuery, out var value))
             {
@@ -24,24 +26,34 @@ namespace Flow.Launcher.Storage
 
         internal void Remove(Result result)
         {
+            // origin query is null when user select the context menu item directly of one item from query list
+            // in this case, we do not need to remove the record
+            if (result.OriginQuery == null)
+            {
+                return;
+            }
+
             records.Remove(result.OriginQuery.RawQuery, out _);
         }
 
         internal void AddOrUpdate(Result result)
         {
+            // origin query is null when user select the context menu item directly of one item from query list
+            // in this case, we do not need to add or update the record
+            if (result.OriginQuery == null)
+            {
+                return;
+            }
+
             var record = new Record
             {
                 PluginID = result.PluginID,
                 Title = result.Title,
-                SubTitle = result.SubTitle
+                SubTitle = result.SubTitle,
+                RecordKey = result.RecordKey
             };
             records.AddOrUpdate(result.OriginQuery.RawQuery, record, (key, oldValue) => record);
         }
-
-        public void Load(Dictionary<string, Record> dictionary)
-        {
-            records = new ConcurrentDictionary<string, Record>(dictionary);
-        }
     }
 
     public class Record
@@ -49,12 +61,21 @@ namespace Flow.Launcher.Storage
         public string Title { get; set; }
         public string SubTitle { get; set; }
         public string PluginID { get; set; }
+        public string RecordKey { get; set; }
 
         public bool Equals(Result r)
         {
-            return Title == r.Title
-                && SubTitle == r.SubTitle
-                && PluginID == r.PluginID;
+            if (string.IsNullOrEmpty(RecordKey) || string.IsNullOrEmpty(r.RecordKey))
+            {
+                return Title == r.Title
+                    && SubTitle == r.SubTitle
+                    && PluginID == r.PluginID;
+            }
+            else
+            {
+                return RecordKey == r.RecordKey
+                    && PluginID == r.PluginID;
+            }
         }
     }
 }

Flow.Launcher/Storage/UserSelectedRecord.cs

@@ -15,7 +15,6 @@ namespace Flow.Launcher.Storage
         [JsonInclude, JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
         public Dictionary<string, int> records { get; private set; }
 
-
         public UserSelectedRecord()
         {
             recordsWithQuery = new Dictionary<int, int>();
@@ -45,12 +44,21 @@ namespace Flow.Launcher.Storage
 
         private static int GenerateResultHashCode(Result result)
         {
-            int hashcode = GenerateStaticHashCode(result.Title);
-            return GenerateStaticHashCode(result.SubTitle, hashcode);
+            if (string.IsNullOrEmpty(result.RecordKey))
+            {
+                int hashcode = GenerateStaticHashCode(result.Title);
+                return GenerateStaticHashCode(result.SubTitle, hashcode);
+            }
+            else
+            {
+                return GenerateStaticHashCode(result.RecordKey);
+            }
         }
 
         private static int GenerateQueryAndResultHashCode(Query query, Result result)
         {
+            // query is null when user select the context menu item directly of one item from query list
+            // so we only need to consider the result
             if (query == null)
             {
                 return GenerateResultHashCode(result);
@@ -58,8 +66,16 @@ namespace Flow.Launcher.Storage
 
             int hashcode = GenerateStaticHashCode(query.ActionKeyword);
             hashcode = GenerateStaticHashCode(query.Search, hashcode);
-            hashcode = GenerateStaticHashCode(result.Title, hashcode);
-            hashcode = GenerateStaticHashCode(result.SubTitle, hashcode);
+
+            if (string.IsNullOrEmpty(result.RecordKey))
+            {
+                hashcode = GenerateStaticHashCode(result.Title, hashcode);
+                hashcode = GenerateStaticHashCode(result.SubTitle, hashcode);
+            }
+            else
+            {
+                hashcode = GenerateStaticHashCode(result.RecordKey, hashcode);
+            }
 
             return hashcode;
         }