Qt键盘事件--组合键响应方法

1 void MyAPP::keyPressEvent(QKeyEvent *event)
2 {
3     if ((event->modifiers() == Qt::ControlModifier) && (event->key() == Qt::Key_A))
4     {
5         QMessageBox::aboutQt(NULL, "aboutQt");
6     }
7 }

1 void MyAPP::mousePressEvent(QMouseEvent *event)
2 {
3     if ((QApplication::keyboardModifiers() == Qt::ControlModifier) && (event->button() == Qt::LeftButton))
4     {
5         QMessageBox::aboutQt(NULL, "aboutQt");
6     }
7 }