#include <QtGui/qboxlayout.h>
#ifndef QBOXLAYOUT_H
class QBoxLayout: public QLayout{
   /* Some contents are skipped to improve readability */
   public: enum Direction{
      LeftToRight = 0,
      RightToLeft = 1,
      TopToBottom = 2,
      BottomToTop = 3,
      Down = 2,
      Up = 3,
   };
   /* ... */
};
#endif // QBOXLAYOUT_H