/******************************************************************** Implementation of MainWindow class, translation tutorial 2******************************************************************/#include "arrowpad.h"#include "mainwindow.h"#include <qaccel.h>#include <qapplication.h>#include <qmenubar.h>#include <qpopupmenu.h>MainWindow::MainWindow( QWidget *parent, const char *name )    : QMainWindow( parent, name ){    ArrowPad *ap = new ArrowPad( this, "arrow pad" );    setCentralWidget( ap );    QPopupMenu *file = new QPopupMenu( this );    file->insertItem( tr("E&xit"), qApp, SLOT(quit()),		      tr("Ctrl+Q", "Quit") );    menuBar()->insertItem( tr("&File"), file );    menuBar()->setSeparator( QMenuBar::InWindowsStyle );}