QTreeView怎么响应键盘事假

[weixin_38123129]

一开始用重载keyPressEvent的方法，发现根本不能进入该函数，网上有说QTreeView可能根本就不响应这个事件，所以就用了事件过滤器，事件过滤器能进入，但是再判断时不能判断是键盘事件，请问哪里有问题或者告诉我怎么才能让它响应键盘事件，代码如下：复制代码bool TreeModelInfo::eventFilter(QObject *watched, QEvent *event){     if(watched == this)     {          if (event->type() == QEvent::KeyPress)   {               QKeyEvent *e = static_cast<QKeyEvent*>(event);               if (e->key() == Qt::Key_Delete)               {     QModelIndex currentIndex = this->currentIndex();     QStandardItem* item = model->itemFromIndex(currentIndex);     QString strGUID = item->data(Qt::UserRole).toString();                    QUuid uid = QUuid(strGUID);                    if(!uid.isNull())     {                         RemoveVideo(uid);                         return true;                    }               }          }     }      return false;}

[weixin_38126784]

你重写viewportEvent(QEvent *) ，或许会有惊喜