gtk: add command palette to titlebar menu

src/apprt/gtk/App.zig

@@ -1047,6 +1047,7 @@ fn syncActionAccelerators(self: *App) !void {
     try self.syncActionAccelerator("app.open-config", .{ .open_config = {} });
     try self.syncActionAccelerator("app.reload-config", .{ .reload_config = {} });
     try self.syncActionAccelerator("win.toggle-inspector", .{ .inspector = .toggle });
+    try self.syncActionAccelerator("win.toggle-command-palette", .toggle_command_palette);
     try self.syncActionAccelerator("win.close", .{ .close_window = {} });
     try self.syncActionAccelerator("win.new-window", .{ .new_window = {} });
     try self.syncActionAccelerator("win.new-tab", .{ .new_tab = {} });

src/apprt/gtk/Window.zig

@@ -587,6 +587,7 @@ fn initActions(self: *Window) void {
         .{ "split-left", gtkActionSplitLeft },
         .{ "split-up", gtkActionSplitUp },
         .{ "toggle-inspector", gtkActionToggleInspector },
+        .{ "toggle-command-palette", gtkActionToggleCommandPalette },
         .{ "copy", gtkActionCopy },
         .{ "paste", gtkActionPaste },
         .{ "reset", gtkActionReset },
@@ -1102,6 +1103,14 @@ fn gtkActionToggleInspector(
     self.performBindingAction(.{ .inspector = .toggle });
 }
 
+fn gtkActionToggleCommandPalette(
+    _: *gio.SimpleAction,
+    _: ?*glib.Variant,
+    self: *Window,
+) callconv(.C) void {
+    self.performBindingAction(.toggle_command_palette);
+}
+
 fn gtkActionCopy(
     _: *gio.SimpleAction,
     _: ?*glib.Variant,

src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp

@@ -81,6 +81,11 @@ menu menu {
   }
 
   section {
+    item {
+      label: _("Command Palette");
+      action: "win.toggle-command-palette";
+    }
+
     item {
       label: _("Terminal Inspector");
       action: "win.toggle-inspector";