Merge pull request #930 from Flow-Launcher/Shortcut

Custom Query Shortcut + built-in variables

Flow.Launcher.Infrastructure/Logger/Log.cs

@@ -1,4 +1,4 @@
-using System.Diagnostics;
+using System.Diagnostics;
 using System.IO;
 using System.Runtime.CompilerServices;
 using NLog;

Flow.Launcher.Infrastructure/UserSettings/CustomShortcutModel.cs

@@ -0,0 +1,65 @@
+using System;
+using System.Text.Json.Serialization;
+
+namespace Flow.Launcher.Infrastructure.UserSettings
+{
+    public abstract class ShortcutBaseModel
+    {
+        public string Key { get; set; }
+
+        [JsonIgnore]
+        public Func<string> Expand { get; set; } = () => { return ""; };
+
+        public override bool Equals(object obj)
+        {
+            return obj is ShortcutBaseModel other &&
+                   Key == other.Key;
+        }
+
+        public override int GetHashCode()
+        {
+            return Key.GetHashCode();
+        }
+    }
+
+    public class CustomShortcutModel : ShortcutBaseModel
+    {
+        public string Value { get; set; }
+
+        [JsonConstructorAttribute]
+        public CustomShortcutModel(string key, string value)
+        {
+            Key = key;
+            Value = value;
+            Expand = () => { return Value; };
+        }
+
+        public void Deconstruct(out string key, out string value)
+        {
+            key = Key;
+            value = Value;
+        }
+
+        public static implicit operator (string Key, string Value)(CustomShortcutModel shortcut)
+        {
+            return (shortcut.Key, shortcut.Value);
+        }
+
+        public static implicit operator CustomShortcutModel((string Key, string Value) shortcut)
+        {
+            return new CustomShortcutModel(shortcut.Key, shortcut.Value);
+        }
+    }
+
+    public class BuiltinShortcutModel : ShortcutBaseModel
+    {
+        public string Description { get; set; }
+
+        public BuiltinShortcutModel(string key, string description, Func<string> expand)
+        {
+            Key = key;
+            Description = description;
+            Expand = expand ?? (() => { return ""; });
+        }
+    }
+}

Flow.Launcher.Infrastructure/UserSettings/Settings.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Drawing;
 using System.Text.Json.Serialization;
+using System.Windows;
 using Flow.Launcher.Plugin;
 using Flow.Launcher.Plugin.SharedModels;
 using Flow.Launcher;
@@ -129,8 +130,7 @@ namespace Flow.Launcher.Infrastructure.UserSettings
                 PrivateArg = "-private",
                 EnablePrivate = false,
                 Editable = false
-            }
-            ,
+            },
             new()
             {
                 Name = "MS Edge",
@@ -186,6 +186,13 @@ namespace Flow.Launcher.Infrastructure.UserSettings
 
         public ObservableCollection<CustomPluginHotkey> CustomPluginHotkeys { get; set; } = new ObservableCollection<CustomPluginHotkey>();
 
+        public ObservableCollection<CustomShortcutModel> CustomShortcuts { get; set; } = new ObservableCollection<CustomShortcutModel>();
+
+        [JsonIgnore]
+        public ObservableCollection<BuiltinShortcutModel> BuiltinShortcuts { get; set; } = new ObservableCollection<BuiltinShortcutModel>() { 
+            new BuiltinShortcutModel("{clipboard}", "shortcut_clipboard_description", Clipboard.GetText)
+        };
+
         public bool DontPromptUpdateMsg { get; set; }
         public bool EnableUpdateLog { get; set; }
 

Flow.Launcher/Converters/TranslationConverter.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Globalization;
+using System.Windows.Data;
+using Flow.Launcher.Core.Resource;
+
+namespace Flow.Launcher.Converters
+{
+    public class TranlationConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            var key = value.ToString();
+            if (String.IsNullOrEmpty(key))
+                return key;
+            return InternationalizationManager.Instance.GetTranslation(key);
+        }
+
+        public object ConvertBack(object value, System.Type targetType, object parameter, CultureInfo culture) => throw new System.InvalidOperationException();
+    }
+}

Flow.Launcher/CustomShortcutSetting.xaml

@@ -0,0 +1,160 @@
+<Window
+    x:Class="Flow.Launcher.CustomShortcutSetting"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:flowlauncher="clr-namespace:Flow.Launcher"
+    Title="{DynamicResource customeQueryShortcutTitle}"
+    Width="530"
+    Background="{DynamicResource PopuBGColor}"
+    Foreground="{DynamicResource PopupTextColor}"
+    Icon="Images\app.png"
+    ResizeMode="NoResize"
+    SizeToContent="Height"
+    WindowStartupLocation="CenterScreen"
+    DataContext="{Binding RelativeSource={RelativeSource Self}}">
+    <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="cmdEsc_OnPress" />
+    </Window.CommandBindings>
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition />
+            <RowDefinition Height="80" />
+        </Grid.RowDefinitions>
+        <StackPanel Grid.Row="0">
+            <StackPanel>
+                <Grid>
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="Auto" />
+                        <ColumnDefinition Width="*" />
+                        <ColumnDefinition Width="Auto" />
+                        <ColumnDefinition Width="Auto" />
+                        <ColumnDefinition Width="Auto" />
+                    </Grid.ColumnDefinitions>
+                    <Button
+                        Grid.Column="4"
+                        Click="BtnCancel_OnClick"
+                        Style="{StaticResource TitleBarCloseButtonStyle}">
+                        <Path
+                            Width="46"
+                            Height="32"
+                            Data="M 18,11 27,20 M 18,20 27,11"
+                            Stroke="{Binding Path=Foreground, RelativeSource={RelativeSource AncestorType={x:Type Button}}}"
+                            StrokeThickness="1">
+                            <Path.Style>
+                                <Style TargetType="Path">
+                                    <Style.Triggers>
+                                        <DataTrigger Binding="{Binding Path=IsActive, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Window}}}" Value="False">
+                                            <Setter Property="Opacity" Value="0.5" />
+                                        </DataTrigger>
+                                    </Style.Triggers>
+                                </Style>
+                            </Path.Style>
+                        </Path>
+                    </Button>
+                </Grid>
+            </StackPanel>
+            <StackPanel Margin="26,0,26,0">
+                <StackPanel Grid.Row="0" Margin="0,0,0,12">
+                    <TextBlock
+                        Grid.Column="0"
+                        Margin="0,0,0,0"
+                        FontFamily="Segoe UI"
+                        FontSize="20"
+                        FontWeight="SemiBold"
+                        Text="{DynamicResource customQueryShortcut}"
+                        TextAlignment="Left" />
+                </StackPanel>
+                <StackPanel>
+                    <TextBlock
+                        FontSize="14"
+                        Text="{DynamicResource customeQueryShortcutTips}"
+                        TextAlignment="Left"
+                        TextWrapping="WrapWithOverflow" />
+                </StackPanel>
+
+                <StackPanel Margin="0,20,0,0" Orientation="Horizontal">
+                    <Grid Width="470">
+                        <Grid.RowDefinitions>
+                            <RowDefinition />
+                            <RowDefinition />
+                        </Grid.RowDefinitions>
+                        <Grid.ColumnDefinitions>
+                            <ColumnDefinition Width="Auto" />
+                            <ColumnDefinition Width="*" />
+                        </Grid.ColumnDefinitions>
+                        <TextBlock
+                            Grid.Row="0"
+                            Grid.Column="0"
+                            Margin="10"
+                            HorizontalAlignment="Left"
+                            VerticalAlignment="Center"
+                            FontSize="14"
+                            Text="{DynamicResource customShortcut}" />
+                        <TextBox
+                            Grid.Row="0"
+                            Grid.Column="1"
+                            Margin="10"
+                            Text="{Binding Key}"
+                            />
+                        <TextBlock
+                            Grid.Row="1"
+                            Grid.Column="0"
+                            Margin="10"
+                            HorizontalAlignment="Left"
+                            VerticalAlignment="Center"
+                            FontSize="14"
+                            Text="{DynamicResource customShortcutExpansion}" />
+
+                        <DockPanel
+                            Grid.Row="1"
+                            Grid.Column="1"
+                            LastChildFill="True">
+                            <Button
+                                x:Name="btnTestShortcut"
+                                Margin="0,0,10,0"
+                                Padding="10,5,10,5"
+                                Click="BtnTestShortcut_OnClick"
+                                Content="{DynamicResource preview}"
+                                DockPanel.Dock="Right" />
+                            <TextBox
+                                x:Name="tbExpand"
+                                Margin="10"
+                                HorizontalAlignment="Stretch"
+                                Text="{Binding Value}"
+                                VerticalAlignment="Center" />
+                        </DockPanel>
+                    </Grid>
+                </StackPanel>
+            </StackPanel>
+        </StackPanel>
+        <Border
+            Grid.Row="1"
+            Margin="0,14,0,0"
+            Background="{DynamicResource PopupButtonAreaBGColor}"
+            BorderBrush="{DynamicResource PopupButtonAreaBorderColor}"
+            BorderThickness="0,1,0,0">
+            <StackPanel HorizontalAlignment="Center" Orientation="Horizontal">
+                <Button
+                    x:Name="btnCancel"
+                    MinWidth="140"
+                    Margin="10,0,5,0"
+                    Click="BtnCancel_OnClick"
+                    Content="{DynamicResource cancel}" />
+                <Button
+                    x:Name="btnAdd"
+                    MinWidth="140"
+                    Margin="5,0,10,0"
+                    Click="BtnAdd_OnClick"
+                    Style="{StaticResource AccentButtonStyle}">
+                    <TextBlock x:Name="lblAdd" Text="{DynamicResource done}" />
+                </Button>
+            </StackPanel>
+        </Border>
+    </Grid>
+</Window>

Flow.Launcher/CustomShortcutSetting.xaml.cs

@@ -0,0 +1,73 @@
+using Flow.Launcher.Core.Resource;
+using Flow.Launcher.ViewModel;
+using System;
+using System.Windows;
+using System.Windows.Input;
+
+namespace Flow.Launcher
+{
+    public partial class CustomShortcutSetting : Window
+    {
+        private SettingWindowViewModel viewModel;
+        public string Key { get; set; } = String.Empty;
+        public string Value { get; set; } = String.Empty;
+        private string originalKey { get; init; } = null;
+        private string originalValue { get; init; } = null;
+        private bool update { get; init; } = false;
+
+        public CustomShortcutSetting(SettingWindowViewModel vm)
+        {
+            viewModel = vm;
+            InitializeComponent();
+        }
+
+        public CustomShortcutSetting(string key, string value, SettingWindowViewModel vm)
+        {
+            viewModel = vm;
+            Key = key;
+            Value = value;
+            originalKey = key;
+            originalValue = value;
+            update = true;
+            InitializeComponent();
+        }
+
+        private void BtnCancel_OnClick(object sender, RoutedEventArgs e)
+        {
+            DialogResult = false;
+            Close();
+        }
+
+        private void BtnAdd_OnClick(object sender, RoutedEventArgs e)
+        {
+            if (String.IsNullOrEmpty(Key) || String.IsNullOrEmpty(Value))
+            {
+                MessageBox.Show(InternationalizationManager.Instance.GetTranslation("emptyShortcut"));
+                return;
+            }
+            // Check if key is modified or adding a new one
+            if (((update && originalKey != Key) || !update)
+                && viewModel.ShortcutExists(Key))
+            {
+                MessageBox.Show(InternationalizationManager.Instance.GetTranslation("duplicateShortcut"));
+                return;
+            }
+            DialogResult = !update || originalKey != Key || originalValue != Value;
+            Close();
+        }
+
+        private void cmdEsc_OnPress(object sender, ExecutedRoutedEventArgs e)
+        {
+            DialogResult = false;
+            Close();
+        }
+
+        private void BtnTestShortcut_OnClick(object sender, RoutedEventArgs e)
+        {
+            App.API.ChangeQuery(tbExpand.Text);
+            Application.Current.MainWindow.Show();
+            Application.Current.MainWindow.Opacity = 1;
+            Application.Current.MainWindow.Focus();
+        }
+    }
+}

Flow.Launcher/Languages/en.xaml

@@ -144,12 +144,18 @@
     <system:String x:Key="showOpenResultHotkey">Show Hotkey</system:String>
     <system:String x:Key="showOpenResultHotkeyToolTip">Show result selection hotkey with results.</system:String>
     <system:String x:Key="customQueryHotkey">Custom Query Hotkey</system:String>
+    <system:String x:Key="customQueryShortcut">Custom Query Shortcut</system:String>
     <system:String x:Key="customQuery">Query</system:String>
+    <system:String x:Key="customShortcut">Shortcut</system:String>
+    <system:String x:Key="customShortcutExpansion">Expanded</system:String>
+    <system:String x:Key="builtinShortcutDescription">Description</system:String>
     <system:String x:Key="delete">Delete</system:String>
     <system:String x:Key="edit">Edit</system:String>
     <system:String x:Key="add">Add</system:String>
     <system:String x:Key="pleaseSelectAnItem">Please select an item</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>
+    <system:String x:Key="shortcut_clipboard_description">Get text from clipboard.</system:String>
     <system:String x:Key="queryWindowShadowEffect">Query window shadow effect</system:String>
     <system:String x:Key="shadowEffectCPUUsage">Shadow effect has a substantial usage of GPU. Not recommended if your computer performance is limited.</system:String>
     <system:String x:Key="windowWidthSize">Window Width Size</system:String>
@@ -241,6 +247,12 @@
     <system:String x:Key="invalidPluginHotkey">Invalid plugin hotkey</system:String>
     <system:String x:Key="update">Update</system:String>
 
+    <!--  Custom Query Shortcut Dialog  -->
+    <system:String x:Key="customeQueryShortcutTitle">Custom Query Shortcut</system:String>
+    <system:String x:Key="customeQueryShortcutTips">Enter a shortcut that automatically expands to the specified query.</system:String>
+    <system:String x:Key="duplicateShortcut">Shortcut already exists, please enter a new Shortcut or edit the existing one.</system:String>
+    <system:String x:Key="emptyShortcut">Shortcut and/or its expansion is empty.</system:String>
+
     <!--  Hotkey Control  -->
     <system:String x:Key="hotkeyUnavailable">Hotkey Unavailable</system:String>
 

Flow.Launcher/SettingWindow.xaml

@@ -41,6 +41,7 @@
         <converters:BorderClipConverter x:Key="BorderClipConverter" />
         <converters:BoolToVisibilityConverter x:Key="BoolToVisibilityConverter" />
         <converters:TextConverter x:Key="TextConverter" />
+        <converters:TranlationConverter x:Key="TranlationConverter" />
         <CollectionViewSource x:Key="SortedFonts" Source="{Binding Source={x:Static Fonts.SystemFontFamilies}}">
             <CollectionViewSource.SortDescriptions>
                 <scm:SortDescription PropertyName="Source" />
@@ -2345,9 +2346,17 @@
                                     <RowDefinition Height="43" />
                                     <RowDefinition Height="80" />
                                     <RowDefinition Height="146" />
+                                    
                                     <RowDefinition Height="50" />
                                     <RowDefinition Height="*" />
                                     <RowDefinition Height="50" />
+
+                                    <RowDefinition Height="50" />
+                                    <RowDefinition Height="*" />
+                                    <RowDefinition Height="50" />
+
+                                    <RowDefinition Height="50" />
+                                    <RowDefinition Height="*" />
                                 </Grid.RowDefinitions>
                                 <TextBlock
                                     Grid.Row="0"
@@ -2452,6 +2461,7 @@
                                     Text="{DynamicResource customQueryHotkey}" />
                                 <ListView
                                     Grid.Row="4"
+                                    MinHeight="160"
                                     Margin="0,0,0,0"
                                     Background="{DynamicResource Color02B}"
                                     BorderBrush="DarkGray"
@@ -2492,7 +2502,7 @@
                                     <Button
                                         MinWidth="100"
                                         Margin="10"
-                                        Click="OnnEditCustomHotkeyClick"
+                                        Click="OnEditCustomHotkeyClick"
                                         Content="{DynamicResource edit}" />
                                     <Button
                                         MinWidth="100"
@@ -2500,6 +2510,104 @@
                                         Click="OnAddCustomHotkeyClick"
                                         Content="{DynamicResource add}" />
                                 </StackPanel>
+                                
+                                <TextBlock
+                                    Grid.Row="6"
+                                    Margin="0,0,12,2"
+                                    Padding="0,12,0,0"
+                                    VerticalAlignment="Center"
+                                    FontSize="14"
+                                    Foreground="{DynamicResource Color05B}"
+                                    Text="{DynamicResource customQueryShortcut}" />
+                                <ListView
+                                    Grid.Row="7"
+                                    Name="customShortcutView"
+                                    MinHeight="160"
+                                    Margin="0,6,0,0"
+                                    Background="{DynamicResource Color02B}"
+                                    BorderBrush="DarkGray"
+                                    BorderThickness="1"
+                                    ItemsSource="{Binding CustomShortcuts}"
+                                    SelectedItem="{Binding SelectedCustomShortcut}"
+                                    Style="{StaticResource {x:Static GridView.GridViewStyleKey}}">
+                                    <ListView.View>
+                                        <GridView>
+                                            <GridViewColumn Width="180" Header="{DynamicResource customShortcut}">
+                                                <GridViewColumn.CellTemplate>
+                                                    <DataTemplate>
+                                                        <TextBlock Text="{Binding Key}" />
+                                                    </DataTemplate>
+                                                </GridViewColumn.CellTemplate>
+                                            </GridViewColumn>
+                                            <GridViewColumn Width="540" Header="{DynamicResource customShortcutExpansion}">
+                                                <GridViewColumn.CellTemplate>
+                                                    <DataTemplate>
+                                                        <TextBlock Text="{Binding Value}" />
+                                                    </DataTemplate>
+                                                </GridViewColumn.CellTemplate>
+                                            </GridViewColumn>
+                                        </GridView>
+                                    </ListView.View>
+                                </ListView>
+                                <StackPanel
+                                    Grid.Row="8"
+                                    Margin="0"
+                                    HorizontalAlignment="Right"
+                                    VerticalAlignment="Top"
+                                    Orientation="Horizontal">
+                                    <Button
+                                        MinWidth="100"
+                                        Margin="10"
+                                        Click="OnDeleteCustomShortCutClick"
+                                        Content="{DynamicResource delete}" />
+                                    <Button
+                                        MinWidth="100"
+                                        Margin="10"
+                                        Click="OnEditCustomShortCutClick"
+                                        Content="{DynamicResource edit}" />
+                                    <Button
+                                        MinWidth="100"
+                                        Margin="10,10,0,10"
+                                        Click="OnAddCustomShortCutClick"
+                                        Content="{DynamicResource add}" />
+                                </StackPanel>
+
+                                <TextBlock
+                                    Grid.Row="9"
+                                    Margin="0,0,12,2"
+                                    Padding="0,12,0,0"
+                                    VerticalAlignment="Center"
+                                    FontSize="14"
+                                    Foreground="{DynamicResource Color05B}"
+                                    Text="Built-in Shortcuts" />
+                                <ListView
+                                    Grid.Row="10"
+                                    MinHeight="160"
+                                    Margin="0,6,0,0"
+                                    Background="{DynamicResource Color02B}"
+                                    BorderBrush="DarkGray"
+                                    BorderThickness="1"
+                                    ItemsSource="{Binding BuiltinShortcuts}"
+                                    Style="{StaticResource {x:Static GridView.GridViewStyleKey}}">
+                                    <ListView.View>
+                                        <GridView>
+                                            <GridViewColumn Width="180" Header="{DynamicResource customShortcut}">
+                                                <GridViewColumn.CellTemplate>
+                                                    <DataTemplate>
+                                                        <TextBlock Text="{Binding Key}" />
+                                                    </DataTemplate>
+                                                </GridViewColumn.CellTemplate>
+                                            </GridViewColumn>
+                                            <GridViewColumn Width="540" Header="{DynamicResource builtinShortcutDescription}">
+                                                <GridViewColumn.CellTemplate>
+                                                    <DataTemplate>
+                                                        <TextBlock Text="{Binding Description, Converter={StaticResource TranlationConverter}}" />
+                                                    </DataTemplate>
+                                                </GridViewColumn.CellTemplate>
+                                            </GridViewColumn>
+                                        </GridView>
+                                    </ListView.View>
+                                </ListView>
                             </Grid>
                         </Border>
                     </ScrollViewer>

Flow.Launcher/SettingWindow.xaml.cs

@@ -154,7 +154,7 @@ namespace Flow.Launcher
             }
         }
 
-        private void OnnEditCustomHotkeyClick(object sender, RoutedEventArgs e)
+        private void OnEditCustomHotkeyClick(object sender, RoutedEventArgs e)
         {
             var item = viewModel.SelectedCustomPluginHotkey;
             if (item != null)
@@ -381,11 +381,34 @@ namespace Flow.Launcher
                 restoreButton.Visibility = Visibility.Collapsed;
             }
         }
+
         private void Window_StateChanged(object sender, EventArgs e)
         {
             RefreshMaximizeRestoreButton();
         }
 
+        #region Shortcut
+
+        private void OnDeleteCustomShortCutClick(object sender, RoutedEventArgs e)
+        {
+            viewModel.DeleteSelectedCustomShortcut();
+        }
+
+        private void OnEditCustomShortCutClick(object sender, RoutedEventArgs e)
+        {
+            if (viewModel.EditSelectedCustomShortcut())
+            {
+                customShortcutView.Items.Refresh();
+            }
+        }
+
+        private void OnAddCustomShortCutClick(object sender, RoutedEventArgs e)
+        {
+            viewModel.AddCustomShortcut();
+        }
+
+        #endregion
+        
         private CollectionView pluginListView;
         private CollectionView pluginStoreView;
 
@@ -463,6 +486,7 @@ namespace Flow.Launcher
         {
             ClockDisplay();
         }
+
         public void ClockDisplay()
         {
             if (settings.UseClock)

Flow.Launcher/ViewModel/MainViewModel.cs

@@ -17,6 +17,7 @@ using Flow.Launcher.Plugin.SharedCommands;
 using Flow.Launcher.Storage;
 using Flow.Launcher.Infrastructure.Logger;
 using Microsoft.VisualStudio.Threading;
+using System.Text;
 using System.Threading.Channels;
 using ISavable = Flow.Launcher.Plugin.ISavable;
 using System.IO;
@@ -630,6 +631,9 @@ namespace Flow.Launcher.ViewModel
                 return;
             }
 
+            var query = ConstructQuery(QueryText, Settings.CustomShortcuts, Settings.BuiltinShortcuts);
+
+
             _updateSource?.Dispose();
 
             var currentUpdateSource = new CancellationTokenSource();
@@ -645,8 +649,7 @@ namespace Flow.Launcher.ViewModel
 
             if (currentCancellationToken.IsCancellationRequested)
                 return;
-
-            var query = QueryBuilder.Build(QueryText, PluginManager.NonGlobalPlugins);
+            
 
             // handle the exclusiveness of plugin using action keyword
             RemoveOldQueryResults(query);
@@ -736,6 +739,35 @@ namespace Flow.Launcher.ViewModel
             }
         }
 
+        private Query ConstructQuery(string queryText, IEnumerable<CustomShortcutModel> customShortcuts, IEnumerable<BuiltinShortcutModel> builtInShortcuts)
+        {
+            StringBuilder queryBuilder = new(queryText);
+            StringBuilder queryBuilderTmp = new(queryText);
+
+            foreach (var shortcut in customShortcuts)
+            {
+                if (queryBuilder.Equals(shortcut.Key))
+                {
+                    queryBuilder.Replace(shortcut.Key, shortcut.Expand());
+                }
+
+                queryBuilder.Replace('@' + shortcut.Key, shortcut.Expand());
+            }
+
+            foreach (var shortcut in builtInShortcuts)
+            {
+                queryBuilder.Replace(shortcut.Key, shortcut.Expand());
+                queryBuilderTmp.Replace(shortcut.Key, shortcut.Expand());
+            }
+
+            // show expanded builtin shortcuts
+            // use private field to avoid infinite recursion
+            _queryText = queryBuilderTmp.ToString();
+
+            var query = QueryBuilder.Build(queryBuilder.ToString().Trim(), PluginManager.NonGlobalPlugins);
+            return query;
+        }
+
         private void RemoveOldQueryResults(Query query)
         {
             if (_lastQuery?.ActionKeyword != query?.ActionKeyword)

Flow.Launcher/ViewModel/SettingWindowViewModel.cs

@@ -19,6 +19,7 @@ using Flow.Launcher.Infrastructure.Storage;
 using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.Plugin;
 using Flow.Launcher.Plugin.SharedModels;
+using System.Collections.ObjectModel;
 
 namespace Flow.Launcher.ViewModel
 {
@@ -212,11 +213,19 @@ namespace Flow.Launcher.ViewModel
             }
         }
 
-        public List<string> OpenResultModifiersList => new List<string> { KeyConstant.Alt, KeyConstant.Ctrl, $"{KeyConstant.Ctrl}+{KeyConstant.Alt}" };
+        public List<string> OpenResultModifiersList => new List<string>
+        {
+            KeyConstant.Alt,
+            KeyConstant.Ctrl,
+            $"{KeyConstant.Ctrl}+{KeyConstant.Alt}"
+        };
         private Internationalization _translater => InternationalizationManager.Instance;
         public List<Language> Languages => _translater.LoadAvailableLanguages();
         public IEnumerable<int> MaxResultsRange => Enumerable.Range(2, 16);
 
+        public ObservableCollection<CustomShortcutModel> CustomShortcuts => Settings.CustomShortcuts;
+        public ObservableCollection<BuiltinShortcutModel> BuiltinShortcuts => Settings.BuiltinShortcuts;
+
         public string TestProxy()
         {
             var proxyServer = Settings.Proxy.Server;
@@ -275,7 +284,10 @@ namespace Flow.Launcher.ViewModel
                 var metadatas = PluginManager.AllPlugins
                     .OrderBy(x => x.Metadata.Disabled)
                     .ThenBy(y => y.Metadata.Name)
-                    .Select(p => new PluginViewModel { PluginPair = p })
+                    .Select(p => new PluginViewModel
+                    {
+                        PluginPair = p
+                    })
                     .ToList();
                 return metadatas;
             }
@@ -397,7 +409,11 @@ namespace Flow.Launcher.ViewModel
                 {
                     var key = $"ColorScheme{e}";
                     var display = _translater.GetTranslation(key);
-                    var m = new ColorScheme { Display = display, Value = e, };
+                    var m = new ColorScheme
+                    {
+                        Display = display,
+                        Value = e,
+                    };
                     modes.Add(m);
                 }
                 return modes;
@@ -520,7 +536,10 @@ namespace Flow.Launcher.ViewModel
                     bitmap.BeginInit();
                     bitmap.StreamSource = memStream;
                     bitmap.EndInit();
-                    var brush = new ImageBrush(bitmap) { Stretch = Stretch.UniformToFill };
+                    var brush = new ImageBrush(bitmap)
+                    {
+                        Stretch = Stretch.UniformToFill
+                    };
                     return brush;
                 }
                 else
@@ -548,19 +567,19 @@ namespace Flow.Launcher.ViewModel
                     {
                         Title = "WebSearch",
                         SubTitle = "Search the web with different search engine support",
-                        IcoPath =Path.Combine(Constant.ProgramDirectory, @"Plugins\Flow.Launcher.Plugin.WebSearch\Images\web_search.png")
+                        IcoPath = Path.Combine(Constant.ProgramDirectory, @"Plugins\Flow.Launcher.Plugin.WebSearch\Images\web_search.png")
                     },
                     new Result
                     {
                         Title = "Program",
                         SubTitle = "Launch programs as admin or a different user",
-                        IcoPath =Path.Combine(Constant.ProgramDirectory, @"Plugins\Flow.Launcher.Plugin.Program\Images\program.png")
+                        IcoPath = Path.Combine(Constant.ProgramDirectory, @"Plugins\Flow.Launcher.Plugin.Program\Images\program.png")
                     },
                     new Result
                     {
                         Title = "ProcessKiller",
                         SubTitle = "Terminate unwanted processes",
-                        IcoPath =Path.Combine(Constant.ProgramDirectory, @"Plugins\Flow.Launcher.Plugin.ProcessKiller\Images\app.png")
+                        IcoPath = Path.Combine(Constant.ProgramDirectory, @"Plugins\Flow.Launcher.Plugin.ProcessKiller\Images\app.png")
                     }
                 };
                 var vm = new ResultsViewModel(Settings);
@@ -574,8 +593,8 @@ namespace Flow.Launcher.ViewModel
             get
             {
                 if (Fonts.SystemFontFamilies.Count(o =>
-                    o.FamilyNames.Values != null &&
-                    o.FamilyNames.Values.Contains(Settings.QueryBoxFont)) > 0)
+                        o.FamilyNames.Values != null &&
+                        o.FamilyNames.Values.Contains(Settings.QueryBoxFont)) > 0)
                 {
                     var font = new FontFamily(Settings.QueryBoxFont);
                     return font;
@@ -602,7 +621,7 @@ namespace Flow.Launcher.ViewModel
                         Settings.QueryBoxFontStyle,
                         Settings.QueryBoxFontWeight,
                         Settings.QueryBoxFontStretch
-                        ));
+                    ));
                 return typeface;
             }
             set
@@ -619,8 +638,8 @@ namespace Flow.Launcher.ViewModel
             get
             {
                 if (Fonts.SystemFontFamilies.Count(o =>
-                    o.FamilyNames.Values != null &&
-                    o.FamilyNames.Values.Contains(Settings.ResultFont)) > 0)
+                        o.FamilyNames.Values != null &&
+                        o.FamilyNames.Values.Contains(Settings.ResultFont)) > 0)
                 {
                     var font = new FontFamily(Settings.ResultFont);
                     return font;
@@ -647,7 +666,7 @@ namespace Flow.Launcher.ViewModel
                         Settings.ResultFontStyle,
                         Settings.ResultFontWeight,
                         Settings.ResultFontStretch
-                        ));
+                    ));
                 return typeface;
             }
             set
@@ -669,6 +688,65 @@ namespace Flow.Launcher.ViewModel
 
         #endregion
 
+        #region shortcut
+
+        public CustomShortcutModel? SelectedCustomShortcut { get; set; }
+
+        public void DeleteSelectedCustomShortcut()
+        {
+            var item = SelectedCustomShortcut;
+            if (item == null)
+            {
+                MessageBox.Show(InternationalizationManager.Instance.GetTranslation("pleaseSelectAnItem"));
+                return;
+            }
+
+            string deleteWarning = string.Format(
+                InternationalizationManager.Instance.GetTranslation("deleteCustomShortcutWarning"),
+                    item?.Key, item?.Value);
+            if (MessageBox.Show(deleteWarning, InternationalizationManager.Instance.GetTranslation("delete"),
+                    MessageBoxButton.YesNo) == MessageBoxResult.Yes)
+            {
+                Settings.CustomShortcuts.Remove(item);
+            }
+        }
+
+        public bool EditSelectedCustomShortcut()
+        {
+            var item = SelectedCustomShortcut;
+            if (item == null)
+            {
+                MessageBox.Show(InternationalizationManager.Instance.GetTranslation("pleaseSelectAnItem"));
+                return false;
+            }
+
+            var shortcutSettingWindow = new CustomShortcutSetting(item.Key, item.Value, this);
+            if (shortcutSettingWindow.ShowDialog() == true)
+            {
+                item.Key = shortcutSettingWindow.Key;
+                item.Value = shortcutSettingWindow.Value;
+                return true;
+            }
+            return false;
+        }
+
+        public void AddCustomShortcut()
+        {
+            var shortcutSettingWindow = new CustomShortcutSetting(this);
+            if (shortcutSettingWindow.ShowDialog() == true)
+            {
+                var shortcut = new CustomShortcutModel(shortcutSettingWindow.Key, shortcutSettingWindow.Value);
+                Settings.CustomShortcuts.Add(shortcut);
+            }
+        }
+
+        public bool ShortcutExists(string key)
+        {
+            return Settings.CustomShortcuts.Any(x => x.Key == key) || Settings.BuiltinShortcuts.Any(x => x.Key == key);
+        }
+
+        #endregion
+
         #region about
 
         public string Website => Constant.Website;