我想在我的小部件中获取QTapAndHoldGesture和QTapGesture并根据对这些手势的react做不同的事情。所以我覆盖了QWidget::event方法并添加了这样的代码:boolevent(QEvent*event)override{if(event->type()==QEvent::Gesture){autog_event=static_cast(event);qDebug()gestures().size()activeGestures();if(autog=qobject_cast(g_event->gesture(Qt::TapGesture))){g_eve