Qt6-鼠标移动窗口

*
 * 鼠标按下操作
 * 记录当前坐标
 */
static QPoint last(0,0);        //保存坐标
const int TITLE_HEIGHT = 50;    //这里也可以使用宏定义，保存标题高度，也就是鼠标点击区域的高度
void MainWindow::mousePressEvent(QMouseEvent *event)
{
    if(event->y()<TITLE_HEIGHT)
    {
        last = event->globalPos();
    }
}
/*
 * 鼠标移动函数
 * 这里实时修改窗口的坐标
 */
void MainWindow::mouseMoveEvent(QMouseEvent *event)
{
    if(event->y()<TITLE_HEIGHT)
    {
        int dx = event->globalX() - last.x();
        int dy = event->globalY() - last.y();
        last = event->globalPos();
        this->move(this->x()+dx,this->y()+dy);
    }
}
/*
 * 鼠标释放函数
 */
void MainWindow::mouseReleaseEvent(QMouseEvent *event)
{
    if(event->y()<TITLE_HEIGHT)
    {
        int dx = event->globalX() - last.x();
        int dy = event->globalY() - last.y();
        this->move(this->x()+dx,this->y()+dy);
    }
}

static QPoint last(0,0);        //保存坐标
const int TITLE_HEIGHT = 50;    //这里也可以使用宏定义，保存标题高度，也就是鼠标点击区域的高度
void MainWindow::mousePressEvent(QMouseEvent *event)
{
    if(event->position().y()<TITLE_HEIGHT)
    {
        last = event->globalPosition().toPoint();
    }
}
void MainWindow::mouseMoveEvent(QMouseEvent *event)
{
    if(event->position().y()<TITLE_HEIGHT)
    {
        int dx = event->globalPosition().x() - last.x();
        int dy = event->globalPosition().y() - last.y();
        last = event->globalPosition().toPoint();
        this->move(this->x()+dx,this->y()+dy);
    }
}
void MainWindow::mouseReleaseEvent(QMouseEvent *event)
{
    if(event->position().y()<TITLE_HEIGHT)
    {
        int dx = event->globalPosition().x() - last.x();
        int dy = event->globalPosition().y() - last.y();
        this->move(this->x()+dx,this->y()+dy);
    }
}