Ctrl+Left鼠标单击事件捕获Qt

#include <QtWidgets>

class MyWidget : public QWidget
{
protected:
    void mousePressEvent(QMouseEvent *event) override
    {
        if (event->button() == Qt::LeftButton && event->modifiers() == Qt::ControlModifier)
        {
            // 执行Ctrl+Left鼠标单击事件的操作
            qDebug() << "Ctrl+Left鼠标单击事件捕获成功！";
        }
        else
        {
            QWidget::mousePressEvent(event);
        }
    }
};

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);

    MyWidget widget;
    widget.show();

    return app.exec();
}