#include <QtGui/qfont.h>
#ifndef QFONT_H
class QFont{
   /* Some contents are skipped to improve readability */
#if defined(Q_WS_MAC)
#elif defined(Q_WS_X11)
   private: void x11SetScreen(int screen = -1);
#endif
   /* ... */
};
#endif // QFONT_H