Reimplemented from QWidget. Handles mouse press events for the slider. Reimplemented from QWidget. Handles mouse release events for the slider. Reimplemented from QWidget.
Handles paint events for the slider.
Reimplemented from QWidget. Paints the slider button using painter p with size, a colorgroup and position given by r . Reimplement this function to change the look of the slider button. Setting the colorgroup is useful to reuse the code to draw a mask if the slider supports transparceny. Implements the virtual QRangeControl function.