- * Paints the signal with a QPainter
- * @param p the QPainter to paint into.
- * @param y the y-coordinate to draw the signal at
- * @param left the x-coordinate of the left edge of the signal
- * @param right the x-coordinate of the right edge of the signal
- * @param scale the scale in seconds per pixel.
- * @param offset the time to show at the left hand edge of
- * the view in seconds.
- **/
- virtual void paint(QPainter &p, int y, int left, int right,
- double scale, double offset) = 0;
-
- /**
- * Paints the signal label into a QGLWidget.
- * @param p the QPainter to paint into.
- * @param y the y-coordinate of the signal.
- * @param right the x-coordinate of the right edge of the header
- * area.
- * @param hover true if the label is being hovered over by the mouse.