#include <QtGui/qstyleoption.h>
#ifndef QSTYLEOPTION_H
class QStyleOptionMenuItem: public QStyleOption{
   /* Some contents are skipped to improve readability */
   public: enum CheckType{
      NotCheckable = 0,
      Exclusive = 1,
      NonExclusive = 2,
   };
   /* ... */
};
#endif // QSTYLEOPTION_H