ui.py 文件源码

def do_activate(self):
        print("Activating...")
        if not self._window:
            current_dir = os.path.dirname(os.path.abspath(__file__))
            css_provider = Gtk.CssProvider()
            css_provider.load_from_path(pkg_resources.resource_filename('ez_gpg',
                                                                        'data/application.css'))

            screen = Gdk.Screen.get_default()
            style_context = Gtk.StyleContext()
            style_context.add_provider_for_screen(screen,
                                                  css_provider,
                                                  Gtk.STYLE_PROVIDER_PRIORITY_USER)

            self._window = MainWindow(self)
            self._window.show_all()

        self.add_window(self._window)

        self._window.present()