void Schneider::keyPressEvent(QKeyEvent *e)
{
switch ( e->key() )
{
case Qt::Key_F2:
QWidget::showFullScreen();
break;
case Qt::Key_Escape:
QWidget::showMaximized();
break;
case Qt::Key_F3:
configure_Clicked();
break;
case Qt::Key_F4:
stop_Clicked();
break;
case Qt::Key_Enter:
start_Clicked();
break;
}
}
函数重写就可以了