virtual void paint_fore(QPainter &p, int left, int right);
/**
- * Paints the signal label into a QGLWidget.
+ * Paints the signal label.
* @param p the QPainter to paint into.
* @param right the x-coordinate of the right edge of the header
* area.
*/
QRectF get_label_rect(int right);
+ bool eventFilter(QObject *obj, QEvent *evt);
+
protected:
/**