#include <QtGui>

int main(int argc, char **argv)
{
    QApplication a(argc, argv);

    QStackedWidget sw;
    QMainWindow *mw = new QMainWindow;
    QMenu *menu = new QMenu("Option");
    QAction *act = menu->addAction("Test");
    mw->menuBar()->addMenu(menu);
    mw->menuBar()->addAction(new QAction("Exit", mw));
    sw.addWidget(mw);
    sw.show();
    return a.exec();
}