- virtual void paintEvent(QPaintEvent *e);
- virtual void resizeEvent(QResizeEvent *);
- virtual void leaveEvent(QEvent * event);
+ void paintEvent(QPaintEvent *e);
+ void resizeEvent(QResizeEvent *);
+ void leaveEvent(QEvent * event);
+ void mousePressEvent(QMouseEvent * event);
+ void mouseMoveEvent(QMouseEvent * event);
+ void mouseReleaseEvent(QMouseEvent * event);