检测QMainWindow / QDialog的移动结束(Qt 4.8)

#include <QMainWindow>
#include <QMouseEvent>

class MyMainWindow : public QMainWindow {
    Q_OBJECT

public:
    MyMainWindow(QWidget *parent = nullptr) : QMainWindow(parent) {}

protected:
    void mouseMoveEvent(QMouseEvent *event) override {
        QMainWindow::mouseMoveEvent(event);
        // 记录移动过程中的位置
        lastPosition = event->globalPos();
    }

    void mouseReleaseEvent(QMouseEvent *event) override {
        QMainWindow::mouseReleaseEvent(event);
        // 移动结束，处理相关逻辑
        if (event->button() == Qt::LeftButton) {
            qDebug() << "Window move ended at:" << lastPosition;
            // 在这里可以添加其他处理逻辑
        }
    }

private:
    QPoint lastPosition;
};

#include "main.moc"

int main(int argc, char *argv[]) {
    QApplication app(argc, argv);
    MyMainWindow window;
    window.show();
    return app.exec();
}