#include <QTextEdit>
#include <QtWidgets>
#include <QPushButton>
#include <QMenu>
#include <QAction>
#include <QDebug>
#include <QtGui>

int main(int argv, char **args)
{
	QApplication app(argv, args);
	QWidget wg;
	QTextEdit *te = new QTextEdit;
	QScrollArea *sa = new QScrollArea;
	QHBoxLayout *lt = new QHBoxLayout;
	QVBoxLayout *vt = new QVBoxLayout;
	QMenuBar  *mnuBar = new QMenuBar;
	QMenu*   pmnu = new QMenu("&Menu");
	vt->addWidget(sa);
	lt->addWidget(te);
	vt->addWidget(pmnu);
	wg.setWindowTitle("Notepad");
	wg.resize(700, 500);
	wg.setLayout(lt);
	wg.show();

	return app.exec();
}

QVBoxLayout *vt = new QVBoxLayout;
	QMenuBar  *mnuBar = new QMenuBar;
	QMenu   *pmnu = new QMenu("&Menu");
	mnuBar->addMenu(pmnu);
	vt->addWidget(mnuBar);