#include <QtGui/qlayout.h>
#ifndef QLAYOUT_H
class QLayout: public QObject, public QLayoutItem{
   /* Some contents are skipped to improve readability */
   public: enum SizeConstraint{
      SetDefaultConstraint = 0,
      SetNoConstraint = 1,
      SetMinimumSize = 2,
      SetFixedSize = 3,
      SetMaximumSize = 4,
      SetMinAndMaxSize = 5,
   };
   /* ... */
};
#endif // QLAYOUT_H