#include <QtGui/qstyle.h>
#ifndef QSTYLE_H
class QStyle: public QObject{
   /* Some contents are skipped to improve readability */
   public: virtual void drawControl(enum QStyle::ControlElement element, struct QStyleOption const * opt, struct QPainter* p, struct QWidget const * w = 0) const = 0;
   /* ... */
};
#endif // QSTYLE_H