apprt/gtk-ng: implement the quit_timer action to just quit

src/apprt/action.zig

@@ -203,9 +203,16 @@ pub const Action = union(Key) {
     open_config,
 
     /// Called when there are no more surfaces and the app should quit
-    /// after the configured delay. This can be cancelled by sending
+    /// after the configured delay.
-    /// another quit_timer action with "stop". Multiple "starts" shouldn't
+    ///
-    /// happen and can be ignored or cause a restart it isn't that important.
+    /// Despite the name, this is the notification that libghostty sends
+    /// when there are no more surfaces regardless of if the configuration
+    /// wants to quit after close, has any delay set, etc. It's up to the
+    /// apprt to implement the proper logic based on the config.
+    ///
+    /// This can be cancelled by sending another quit_timer action with "stop".
+    /// Multiple "starts" shouldn't happen and can be ignored or cause a
+    /// restart it isn't that important.
     quit_timer: QuitTimer,
 
     /// Set the window floating state. A floating window is one that is

src/apprt/gtk-ng/class/application.zig

@@ -378,6 +378,8 @@ pub const Application = extern struct {
                 },
             ),
 
+            .quit_timer => try Action.quitTimer(self, value),
+
             // Unimplemented
             .quit,
             .close_window,
@@ -407,7 +409,6 @@ pub const Application = extern struct {
             .toggle_tab_overview,
             .toggle_split_zoom,
             .toggle_window_decorations,
-            .quit_timer,
             .prompt_title,
             .toggle_quick_terminal,
             .secure_input,
@@ -867,6 +868,21 @@ const Action = struct {
         const win = Window.new(self);
         gtk.Window.present(win.as(gtk.Window));
     }
+
+    pub fn quitTimer(
+        self: *Application,
+        mode: apprt.action.QuitTimer,
+    ) !void {
+        // TODO: An actual quit timer implementation. For now, we immediately
+        // quit on no windows regardless of the config.
+        switch (mode) {
+            .start => {
+                self.private().running = false;
+            },
+
+            .stop => {},
+        }
+    }
 };
 
 /// This sets various GTK-related environment variables as necessary

src/apprt/gtk-ng/class/surface.zig

@@ -220,6 +220,8 @@ pub const Surface = extern struct {
 
             // Deinit the surface
             v.deinit();
+            const alloc = Application.default().allocator();
+            alloc.destroy(v);
         }
 
         gobject.Object.virtual_methods.finalize.call(