application.py 文件源码

def do_startup(self):
        Gtk.Application.do_startup(self)

        builder = Gtk.Builder()

        builder.add_from_resource(get_resource_path('ui/about.ui'))
        builder.add_from_resource(get_resource_path('ui/menu.ui'))

        self.app_menu = builder.get_object('app-menu')
        self.about_dialog = builder.get_object('about-dialog')

        action = Gio.SimpleAction.new('connect', None)
        action.connect('activate', self._on_connect)
        self.add_action(action)

        action = Gio.SimpleAction.new('about', None)
        action.connect('activate', self._on_about)
        self.add_action(action)

        action = Gio.SimpleAction.new('quit', None)
        action.connect('activate', self._on_quit)
        self.add_action(action)

        self.set_app_menu(self.app_menu)

        self.mark_busy()