saver.py 文件源码

def handle_event(self, event):
        """ Screensaver screen event handler

        :param event: event to handle
        """
        if not self.visible: return

        if event.type == USER_EVENT_TYPE and event.sub_type == SUB_TYPE_KEYBOARD and event.action == pygame.KEYUP:
            if event.keyboard_key == kbd_keys[KEY_UP] or event.keyboard_key == kbd_keys[KEY_DOWN]:
                if self.top_menu_enabled:
                    index = self.saver_menu.get_selected_index()
                    self.top_menu_enabled = False
                    self.delay_menu.unselect()
                    s = len(self.delay_menu.delays)
                    if index > (s - 1):
                        index = s - 1
                    self.delay_menu.select_by_index(index)
                else:
                    index = self.delay_menu.get_selected_index()
                    self.top_menu_enabled = True
                    self.saver_menu.unselect()
                    s = len(self.delay_menu.delays)
                    if index == (s - 1):
                        index = len(self.saver_menu.savers) - 1
                    self.saver_menu.select_by_index(index)
            elif event.keyboard_key == kbd_keys[KEY_HOME]:
                self.home_button.handle_event(event)
            elif event.keyboard_key == kbd_keys[KEY_PLAY_PAUSE]:
                self.player_button.handle_event(event)
            else:
                if self.top_menu_enabled:
                    self.saver_menu.handle_event(event)
                else:
                    self.delay_menu.handle_event(event) 
        else:
            Container.handle_event(self, event)