class Window : public QMainWindow
{
Q_OBJECT

public:
Window();
};

Window::Window()
: QMainWindow()
{
QAction *action1 = new QAction(tr("&ACTION1"), this);
QAction *action2 = new QAction(tr("&ACTION2"), this);

QMenu *appMenu;
appMenu = menuBar()->addMenu(tr("MENU TITLE"));
appMenu->addAction(action1);
appMenu->addAction(action2);

connect(action1, SIGNAL(triggered()), this , SLOT(doAction1()));
connect(action2, SIGNAL(triggered()), this , SLOT(doAction2()));
 // add widgets to your main window once you have them, you dont need the below dummy blank widget.
// later you can do setCentralWidget(blank);
 
// QWidget *blank = new QWidget();
// QHBoxLayout *layout = new QHBoxLayout();
// blank->setLayout(layout);
// blank->show();
}

int main(int argc, char *argv[])
{
QApplication app(argc, argv);
 	
Window window;
window.show();

return app.exec();
}