slider.py 文件源码

def handle_event(self, event):
        """ Slider event handler

        :param event: event to handle
        """
        if not self.visible:
            return
        mouse_events = [pygame.MOUSEBUTTONUP, pygame.MOUSEBUTTONDOWN, pygame.MOUSEMOTION]        
        if getattr(event, "source", None):
            self.event_source_local = False
        else:
            self.event_source_local = True        

        if event.type in mouse_events:
            pos = event.pos        
            if not self.bounding_box.collidepoint(pos):
                return            
            self.mouse_action(event)
        elif event.type == USER_EVENT_TYPE:
            self.user_event_action(event)