#include <QtGui/qstyleoption.h>
#ifndef QSTYLEOPTION_H
class QStyleOptionToolButton: public QStyleOptionComplex{
   /* Some contents are skipped to improve readability */
   public: enum ToolButtonFeature{
      None = 0,
      Arrow = 1,
      Menu = 4,
      PopupDelay = 8,
   };
   /* ... */
};
#endif // QSTYLEOPTION_H