#include <QtGui/qslider.h> #ifndef QSLIDER_H #ifndef QT_NO_SLIDER class QSlider: public QAbstractSlider{ /* Some contents are skipped to improve readability */ public: explicit QSlider(enum Qt::Orientation orientation, class QWidget* parent = 0); /* ... */ }; #endif // QT_NO_SLIDER #endif // QSLIDER_H