dispatcher.py 文件源码

def handle_keyboard_event(self, event):
        """ Keyboard event handler. 

        Wraps keyboard events into user event. Exits upon Ctrl-C. 
        Distinguishes key up and key down.

        :param event: event to handle
        """        
        keys = pygame.key.get_pressed() 
        if (keys[pygame.K_LCTRL] or keys[pygame.K_RCTRL]) and event.key == pygame.K_c: 
            self.shutdown(event)
        elif event.type == pygame.KEYDOWN or event.type == pygame.KEYUP:
            if self.screensaver_dispatcher.saver_running:
                self.screensaver_dispatcher.cancel_screensaver()
                return
            self.handle_event(event)
            d = {}
            d[KEY_SUB_TYPE] = SUB_TYPE_KEYBOARD
            d[KEY_ACTION] = event.type
            d[KEY_KEYBOARD_KEY] = event.key
            event = pygame.event.Event(USER_EVENT_TYPE, **d)            
            pygame.event.post(event)