Manage global shortcuts (#635)

app/MindWork AI Studio/Components/ChatComponent.razor

@@ -48,7 +48,7 @@
                 OnAdornmentClick="() => this.SendMessage()"
                 Disabled="@this.IsInputForbidden()"
                 Immediate="@true"
-                OnKeyUp="this.InputKeyEvent"
+                OnKeyUp="@this.InputKeyEvent"
                 UserAttributes="@USER_INPUT_ATTRIBUTES"
                 Class="@this.UserInputClass"
                 Style="@this.UserInputStyle"/>

app/MindWork AI Studio/Components/ConfigurationShortcut.razor

@@ -0,0 +1,26 @@
+@inherits ConfigurationBaseCore
+
+<MudStack Row="true" AlignItems="AlignItems.Center" Spacing="2">
+    <MudIcon Icon="@this.Icon" Color="@this.IconColor"/>
+    <MudText Typo="Typo.body1" Class="flex-grow-1">
+        @if (string.IsNullOrWhiteSpace(this.Shortcut()))
+        {
+            @T("No shortcut configured")
+        }
+        else
+        {
+            <MudChip T="string" Color="Color.Primary" Size="Size.Small" Variant="Variant.Outlined">
+                @this.GetDisplayShortcut()
+            </MudChip>
+        }
+    </MudText>
+    <MudButton Variant="Variant.Outlined"
+               Color="Color.Primary"
+               Size="Size.Small"
+               StartIcon="@Icons.Material.Filled.Edit"
+               OnClick="@this.OpenDialog"
+               Disabled="@this.IsDisabled"
+               Class="mb-1">
+        @T("Change shortcut")
+    </MudButton>
+</MudStack>

app/MindWork AI Studio/Components/ConfigurationShortcut.razor.cs

@@ -0,0 +1,109 @@
+using AIStudio.Dialogs;
+using AIStudio.Tools.Rust;
+using AIStudio.Tools.Services;
+
+using Microsoft.AspNetCore.Components;
+using DialogOptions = AIStudio.Dialogs.DialogOptions;
+
+namespace AIStudio.Components;
+
+/// <summary>
+/// A configuration component for capturing and displaying keyboard shortcuts.
+/// </summary>
+public partial class ConfigurationShortcut : ConfigurationBaseCore
+{
+    [Inject]
+    private IDialogService DialogService { get; init; } = null!;
+
+    [Inject]
+    private RustService RustService { get; init; } = null!;
+
+    /// <summary>
+    /// The current shortcut value.
+    /// </summary>
+    [Parameter]
+    public Func<string> Shortcut { get; set; } = () => string.Empty;
+
+    /// <summary>
+    /// An action which is called when the shortcut was changed.
+    /// </summary>
+    [Parameter]
+    public Action<string> ShortcutUpdate { get; set; } = _ => { };
+
+    /// <summary>
+    /// The name/identifier of the shortcut (used for conflict detection and registration).
+    /// </summary>
+    [Parameter]
+    public Shortcut ShortcutId { get; init; }
+
+    /// <summary>
+    /// The icon to display.
+    /// </summary>
+    [Parameter]
+    public string Icon { get; set; } = Icons.Material.Filled.Keyboard;
+
+    /// <summary>
+    /// The color of the icon.
+    /// </summary>
+    [Parameter]
+    public Color IconColor { get; set; } = Color.Default;
+
+    #region Overrides of ConfigurationBase
+
+    protected override bool Stretch => true;
+
+    protected override Variant Variant => Variant.Outlined;
+
+    protected override string Label => this.OptionDescription;
+
+    #endregion
+
+    private string GetDisplayShortcut()
+    {
+        var shortcut = this.Shortcut();
+        if (string.IsNullOrWhiteSpace(shortcut))
+            return string.Empty;
+
+        // Convert internal format to display format:
+        return shortcut
+            .Replace("CmdOrControl", OperatingSystem.IsMacOS() ? "Cmd" : "Ctrl")
+            .Replace("CommandOrControl", OperatingSystem.IsMacOS() ? "Cmd" : "Ctrl");
+    }
+
+    private async Task OpenDialog()
+    {
+        // Suspend shortcut processing while the dialog is open, so the user can
+        // press the current shortcut to re-enter it without triggering the action:
+        await this.RustService.SuspendShortcutProcessing();
+        
+        try
+        {
+            var dialogParameters = new DialogParameters<ShortcutDialog>
+            {
+                { x => x.InitialShortcut, this.Shortcut() },
+                { x => x.ShortcutId, this.ShortcutId },
+            };
+
+            var dialogReference = await this.DialogService.ShowAsync<ShortcutDialog>(
+                this.T("Configure Keyboard Shortcut"),
+                dialogParameters,
+                DialogOptions.FULLSCREEN);
+
+            var dialogResult = await dialogReference.Result;
+            if (dialogResult is null || dialogResult.Canceled)
+                return;
+
+            if (dialogResult.Data is string newShortcut)
+            {
+                this.ShortcutUpdate(newShortcut);
+                await this.SettingsManager.StoreSettings();
+                await this.InformAboutChange();
+            }
+        }
+        finally
+        {
+            // Resume the shortcut processing when the dialog is closed:
+            await this.RustService.ResumeShortcutProcessing();
+        }
+    }
+}

app/MindWork AI Studio/Components/Settings/SettingsPanelApp.razor

@@ -1,5 +1,6 @@
 @using AIStudio.Settings
 @using AIStudio.Settings.DataModel
+@using AIStudio.Tools.Rust
 @inherits SettingsPanelBase
 
 <ExpansionPanel HeaderIcon="@Icons.Material.Filled.Apps" HeaderText="@T("App Options")">
@@ -33,5 +34,6 @@
     @if (PreviewFeatures.PRE_SPEECH_TO_TEXT_2026.IsEnabled(this.SettingsManager))
     {
         <ConfigurationSelect OptionDescription="@T("Select a transcription provider")" SelectedValue="@(() => this.SettingsManager.ConfigurationData.App.UseTranscriptionProvider)" Data="@this.GetFilteredTranscriptionProviders()" SelectionUpdate="@(selectedValue => this.SettingsManager.ConfigurationData.App.UseTranscriptionProvider = selectedValue)" OptionHelp="@T("Select a transcription provider for transcribing your voice. Without a selected provider, dictation and transcription features will be disabled.")" IsLocked="() => ManagedConfiguration.TryGet(x => x.App, x => x.UseTranscriptionProvider, out var meta) && meta.IsLocked"/>
+        <ConfigurationShortcut ShortcutId="Shortcut.VOICE_RECORDING_TOGGLE" OptionDescription="@T("Voice recording shortcut")" Shortcut="@(() => this.SettingsManager.ConfigurationData.App.ShortcutVoiceRecording)" ShortcutUpdate="@(shortcut => this.SettingsManager.ConfigurationData.App.ShortcutVoiceRecording = shortcut)" OptionHelp="@T("The global keyboard shortcut for toggling voice recording. This shortcut works system-wide, even when the app is not focused.")" IsLocked="() => ManagedConfiguration.TryGet(x => x.App, x => x.ShortcutVoiceRecording, out var meta) && meta.IsLocked"/>
     }
 </ExpansionPanel>

app/MindWork AI Studio/Components/VoiceRecorder.razor.cs

@@ -1,5 +1,6 @@
 using AIStudio.Provider;
 using AIStudio.Tools.MIME;
+using AIStudio.Tools.Rust;
 using AIStudio.Tools.Services;
 
 using Microsoft.AspNetCore.Components;
@@ -24,6 +25,9 @@ public partial class VoiceRecorder : MSGComponentBase
 
     protected override async Task OnInitializedAsync()
     {
+        // Register for global shortcut events:
+        this.ApplyFilters([], [Event.TAURI_EVENT_RECEIVED]);
+
         await base.OnInitializedAsync();
 
         try
@@ -37,6 +41,38 @@ public partial class VoiceRecorder : MSGComponentBase
         }
     }
 
+    protected override async Task ProcessIncomingMessage<T>(ComponentBase? sendingComponent, Event triggeredEvent, T? data) where T : default
+    {
+        switch (triggeredEvent)
+        {
+            case Event.TAURI_EVENT_RECEIVED when data is TauriEvent { EventType: TauriEventType.GLOBAL_SHORTCUT_PRESSED } tauriEvent:
+                // Check if this is the voice recording toggle shortcut:
+                if (tauriEvent.TryGetShortcut(out var shortcutId) && shortcutId == Shortcut.VOICE_RECORDING_TOGGLE)
+                {
+                    this.Logger.LogInformation("Global shortcut triggered for voice recording toggle.");
+                    await this.ToggleRecordingFromShortcut();
+                }
+                
+                break;
+        }
+    }
+
+    /// <summary>
+    /// Toggles the recording state when triggered by a global shortcut.
+    /// </summary>
+    private async Task ToggleRecordingFromShortcut()
+    {
+        // Don't allow toggle if transcription is in progress or preparing:
+        if (this.isTranscribing || this.isPreparing)
+        {
+            this.Logger.LogDebug("Ignoring shortcut: transcription or preparation is in progress.");
+            return;
+        }
+
+        // Toggle the recording state:
+        await this.OnRecordingToggled(!this.isRecording);
+    }
+
     #endregion
 
     private uint numReceivedChunks;
@@ -109,6 +145,10 @@ public partial class VoiceRecorder : MSGComponentBase
                 // Clean up the recording stream if starting failed:
                 await this.FinalizeRecordingStream();
             }
+            finally
+            {
+                this.StateHasChanged();
+            }
         }
         else
         {