preferences.py 文件源码

def show_preferences():
    def on_destroy(window):
        global _window
        _window = None

    global _window

    if not _window:
        _window = Preferences()
        _window.connect('destroy', on_destroy)

    _window.show_all()
    _window.get_window().focus(Gdk.CURRENT_TIME)
    _window.present_with_time(Gdk.CURRENT_TIME)