#include <QtGui/qgridlayout.h>
#ifndef QGRIDLAYOUT_H
class QGridLayout: public QLayout{
   /* Some contents are skipped to improve readability */
   public: void addWidget(struct QWidget*, int row, int column, int rowSpan, int columnSpan, Qt::Alignment = 0);
   /* ... */
};
#endif // QGRIDLAYOUT_H