Manage global shortcuts (#635)

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();
+        }
+    }
+}