#include <QtGui/qwidget.h>
#ifndef QWIDGET_H
class QWidget: public QObject, public QPaintDevice{
   /* Some contents are skipped to improve readability */
#ifndef QT_NO_DRAGANDDROP
   protected: virtual void dragMoveEvent(struct QDragMoveEvent*);
#endif
   /* ... */
};
#endif // QWIDGET_H