#include <QtGui/qabstractslider.h>
#ifndef QABSTRACTSLIDER_H
class QAbstractSlider: public QWidget{
   /* Some contents are skipped to improve readability */
   public: enum SliderAction{
      SliderNoAction = 0,
      SliderSingleStepAdd = 1,
      SliderSingleStepSub = 2,
      SliderPageStepAdd = 3,
      SliderPageStepSub = 4,
      SliderToMinimum = 5,
      SliderToMaximum = 6,
      SliderMove = 7,
   };
   /* ... */
};
#endif // QABSTRACTSLIDER_H