gtk: implement command palette

include/ghostty.h

@@ -599,6 +599,7 @@ typedef enum {
   GHOSTTY_ACTION_COLOR_CHANGE,
   GHOSTTY_ACTION_RELOAD_CONFIG,
   GHOSTTY_ACTION_CONFIG_CHANGE,
+  GHOSTTY_ACTION_TOGGLE_COMMAND_PALETTE,
 } ghostty_action_tag_e;
 
 typedef union {

src/Surface.zig

@@ -4224,6 +4224,12 @@ pub fn performBindingAction(self: *Surface, action: input.Binding.Action) !bool
             {},
         ),
 
+        .toggle_command_palette => return try self.rt_app.performAction(
+            .{ .surface = self },
+            .toggle_command_palette,
+            {},
+        ),
+
         .toggle_secure_input => return try self.rt_app.performAction(
             .{ .surface = self },
             .secure_input,

src/apprt/action.zig

@@ -230,6 +230,9 @@ pub const Action = union(Key) {
     /// for changes.
     config_change: ConfigChange,
 
+    /// Toggle the command palette
+    toggle_command_palette,
+
     /// Sync with: ghostty_action_tag_e
     pub const Key = enum(c_int) {
         quit,
@@ -271,6 +274,7 @@ pub const Action = union(Key) {
         color_change,
         reload_config,
         config_change,
+        toggle_command_palette,
     };
 
     /// Sync with: ghostty_action_u

src/apprt/glfw.zig

@@ -222,6 +222,7 @@ pub const App = struct {
             .close_tab,
             .toggle_tab_overview,
             .toggle_window_decorations,
+            .toggle_command_palette,
             .toggle_quick_terminal,
             .toggle_visibility,
             .goto_tab,

src/apprt/gtk/App.zig

@@ -481,6 +481,7 @@ pub fn performAction(
         .toggle_tab_overview => self.toggleTabOverview(target),
         .toggle_split_zoom => self.toggleSplitZoom(target),
         .toggle_window_decorations => self.toggleWindowDecorations(target),
+        .toggle_command_palette => return try self.toggleCommandPalette(target),
         .quit_timer => self.quitTimer(value),
 
         // Unimplemented
@@ -739,7 +740,7 @@ fn toggleWindowDecorations(
         .surface => |v| {
             const window = v.rt_surface.container.window() orelse {
                 log.info(
-                    "toggleFullscreen invalid for container={s}",
+                    "toggleWindowDecorations invalid for container={s}",
                     .{@tagName(v.rt_surface.container)},
                 );
                 return;
@@ -750,6 +751,27 @@ fn toggleWindowDecorations(
     }
 }
 
+fn toggleCommandPalette(
+    _: *App,
+    target: apprt.Target,
+) !bool {
+    switch (target) {
+        .app => return false,
+        .surface => |v| {
+            const window = v.rt_surface.container.window() orelse {
+                log.info(
+                    "toggleCommandPalette invalid for container={s}",
+                    .{@tagName(v.rt_surface.container)},
+                );
+                return false;
+            };
+
+            window.toggleCommandPalette();
+            return true;
+        },
+    }
+}
+
 fn quitTimer(self: *App, mode: apprt.action.QuitTimer) void {
     switch (mode) {
         .start => self.startQuitTimer(),

src/apprt/gtk/Window.zig

@@ -24,6 +24,7 @@ const adwaita = @import("adwaita.zig");
 const gtk_key = @import("key.zig");
 const TabView = @import("TabView.zig");
 const HeaderBar = @import("headerbar.zig");
+const CommandPalette = @import("command_palette.zig").CommandPalette;
 const version = @import("version.zig");
 const winproto = @import("winproto.zig");
 
@@ -49,6 +50,8 @@ context_menu: *c.GtkWidget,
 /// The libadwaita widget for receiving toast send requests.
 toast_overlay: *c.GtkWidget,
 
+command_palette: ?*CommandPalette = null,
+
 /// See adwTabOverviewOpen for why we have this.
 adw_tab_overview_focus_timer: ?c.guint = null,
 
@@ -226,6 +229,15 @@ pub fn init(self: *Window, app: *App) !void {
     );
     c.gtk_box_append(@ptrCast(box), self.toast_overlay);
 
+    if (adwaita.versionAtLeast(1, 5, 0)) {
+        const command_palette = try CommandPalette.new(self);
+        // We manually reference the command palette here
+        // to prevent it from being destroyed when the dialog closes
+        command_palette.ref();
+        self.command_palette = command_palette;
+    }
+    errdefer if (self.command_palette) |palette| palette.unref();
+
     // If we have a tab overview then we can set it on our notebook.
     if (self.tab_overview) |tab_overview| {
         if (!adwaita.versionAtLeast(1, 4, 0)) unreachable;
@@ -427,6 +439,7 @@ pub fn deinit(self: *Window) void {
     c.gtk_widget_unparent(@ptrCast(self.context_menu));
 
     self.winproto.deinit(self.app.core_app.alloc);
+    if (self.command_palette) |palette| palette.unref();
 
     if (self.adw_tab_overview_focus_timer) |timer| {
         _ = c.g_source_remove(timer);
@@ -544,6 +557,11 @@ pub fn toggleWindowDecorations(self: *Window) void {
     self.updateConfig(&self.app.config) catch {};
 }
 
+/// Toggle the command palette for this window.
+pub fn toggleCommandPalette(self: *Window) void {
+    if (self.command_palette) |palette| palette.present();
+}
+
 /// Grabs focus on the currently selected tab.
 pub fn focusCurrentTab(self: *Window) void {
     const tab = self.notebook.currentTab() orelse return;
@@ -1018,7 +1036,7 @@ fn gtkActionReset(
 }
 
 /// Returns the surface to use for an action.
-fn actionSurface(self: *Window) ?*CoreSurface {
+pub fn actionSurface(self: *Window) ?*CoreSurface {
     const tab = self.notebook.currentTab() orelse return null;
     const surface = tab.focus_child orelse return null;
     return &surface.core_surface;