public class MyWindow : Gtk.ApplicationWindow {
internal MyWindow (MyApplication app) {
Object (application: app, title: "MenuButton Example");
this.set_default_size (600, 400);
var grid = new Gtk.Grid ();
var menubutton = new Gtk.MenuButton();
menubutton.set_size_request (80, 35);
var menumodel = new Menu ();
menumodel.append ("New", "app.new");
menumodel.append ("About", "win.about");
/* We create the last item as a MenuItem, so that
* a submenu can be appended to this menu item.
*/
var submenu = new Menu ();
menumodel.append_submenu ("Other", submenu);
submenu.append ("Quit", "app.quit");
menubutton.set_menu_model (menumodel);
var about_action = new SimpleAction ("about", null);
about_action.activate.connect (this.about_cb);
this.add_action (about_action);
this.add(grid);
grid.attach(menubutton, 0, 0, 1, 1);
}
void about_cb (SimpleAction simple, Variant? parameter) {
print ("You clicked \"About\"\n");
}
}
public class MyApplication : Gtk.Application {
protected override void activate () {
new MyWindow (this).show_all ();
}
internal MyApplication () {
Object (application_id: "org.example.MyApplication");
}
/* Override the 'startup' signal of GLib.Application. */
protected override void startup () {
base.startup ();
var new_action = new SimpleAction ("new", null);
new_action.activate.connect (this.new_cb);
this.add_action (new_action);
var quit_action = new SimpleAction ("quit", null);
quit_action.activate.connect (this.quit);
this.add_action (quit_action);
}
void new_cb (SimpleAction simple, Variant? parameter) {
print ("You clicked \"New\"\n");
}
}
public int main (string[] args) {
return new MyApplication ().run (args);
}