#include <QtGui/qslider.h> #ifndef QSLIDER_H #ifndef QT_NO_SLIDER class QSlider: public QAbstractSlider{ /* Some contents are skipped to improve readability */ public: virtual int qt_metacall(enum QMetaObject::Call, int, void* *); /* ... */ }; #endif // QT_NO_SLIDER #endif // QSLIDER_H