QT控制界面鼠标

void MainWindow::mousePressEvent(QMouseEvent *event)

{

    if(event->button() == Qt::LeftButton)

   {

        m_dragPos = event->globalPos()-frameGeometry().topLeft();

        event->accept();

  }

}

void MainWindow::mouseMoveEvent(QMouseEvent *event)

{

   if(m_dragPos.y()<110)

   {

        move(event->globalPos() - m_dragPos);

  }

  event->accept();

}