Q_Widget * dlgRight = new  Q_Widget(NULL);
    QDesktopWidget *deskTop=QApplication::desktop();
    auto  deskRect=deskTop->availableGeometry();
    QPoint normalPoint;
    normalPoint.setX(deskRect.width()-dlgRight->width()-1);
    normalPoint.setY(deskRect.height()-dlgRight->height());
    dlgRight->setGeometry(normalPoint.x(),normalPoint.y(),dlgRight->width(),dlgRight->height());
   dlgRight->show();