application.py 文件源码

def generate_menu(self):
        # Settings section
        settings_content = Gio.Menu.new()
        settings_content.append_item(
            Gio.MenuItem.new(_("Settings"), "app.settings"))
        settings_section = Gio.MenuItem.new_section(None, settings_content)
        self.menu.append_item(settings_section)

        # Help section
        help_content = Gio.Menu.new()
        help_content.append_item(Gio.MenuItem.new(_("Night Mode"), "app.night_mode"))
        if Gtk.get_major_version() >= 3 and Gtk.get_minor_version() >= 20:
            help_content.append_item(Gio.MenuItem.new(
                _("Shortcuts"), "app.shortcuts"))

        help_content.append_item(Gio.MenuItem.new(_("About"), "app.about"))
        help_content.append_item(Gio.MenuItem.new(_("Quit"), "app.quit"))
        help_section = Gio.MenuItem.new_section(None, help_content)
        self.menu.append_item(help_section)

        self.settings_action = Gio.SimpleAction.new("settings", None)
        self.settings_action.connect("activate", self.on_settings)
        self.settings_action.set_enabled(not settings.get_is_locked())
        settings.bind('locked', self.settings_action, 'enabled', Gio.SettingsBindFlags.INVERT_BOOLEAN)
        self.add_action(self.settings_action)


        action = Gio.SimpleAction.new_stateful("night_mode", None, GLib.Variant.new_boolean(settings.get_is_night_mode()))
        action.connect("change-state", self.on_night_mode)
        self.add_action(action)

        if Gtk.get_major_version() >= 3 and Gtk.get_minor_version() >= 20:
            action = Gio.SimpleAction.new("shortcuts", None)
            action.connect("activate", self.on_shortcuts)
            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)
        if not show_app_menu():
            self.set_app_menu(self.menu)
            logging.debug("Adding gnome shell menu")