#include <QtGui/qx11embed_x11.h>
#ifndef QX11EMBED_X11_H
class QX11EmbedContainer: public QWidget{
   /* Some contents are skipped to improve readability */
   public: enum Error{
      /* ... */
      Internal = 1,
      /* ... */
   };
   /* ... */
};
#endif // QX11EMBED_X11_H