#include <QtGui/qstyle.h>
#ifndef QSTYLE_H
class QStyle: public QObject{
   /* Some contents are skipped to improve readability */
   public: virtual class QSize sizeFromContents(enum QStyle::ContentsType ct, struct QStyleOption const * opt, class QSize const & contentsSize, struct QWidget const * w = 0) const = 0;
   /* ... */
};
#endif // QSTYLE_H