Function mousePressEvent

kdevplatform/debugger/variable/variabletooltip.cpp:47–54

    }

    void mousePressEvent(QMouseEvent* e) override
    {
        if (e->button() == Qt::LeftButton) {
            m_pos = e->globalPosition().toPoint();
            m_startSize = m_parent->size();
            e->ignore();
        }
    }
    void mouseReleaseEvent(QMouseEvent*) override
    {
        m_pos = QPoint();