browsingcard.py 文件源码

def on_touch_down(self, touch):
        if not self.collide_point(*touch.pos):
            touch.ud[self._get_uid('cavoid')] = True
            return
        if self._touch:
            return super(BrowsingCard, self).on_touch_down(touch)
        Animation.cancel_all(self)
        self._touch = touch
        uid = self._get_uid()
        touch.grab(self)
        touch.ud[uid] = {
            'mode': 'unknown',
            'time': touch.time_start}
        Clock.schedule_once(self._change_touch_mode,
                self.scroll_timeout / 1000.)
        return True