void mousePressEvent(QMouseEvent *e);
void mouseReleaseEvent(QMouseEvent *e);
void mouseMoveEvent(QMouseEvent *e);
signals:
void position_changed(uint64_t pos);
void mousePressEvent(QMouseEvent *e);
void mouseReleaseEvent(QMouseEvent *e);
void mouseMoveEvent(QMouseEvent *e);
signals:
void position_changed(uint64_t pos);