MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
{  
  textEditor = new QTextEdit(tr("Hello"), this);
 
  // Set context menu policy to 'none' to prevent Actions menu from being shown
  textEditor->setContextMenuPolicy(Qt::NoContextMenu);
 
  //  Set softkeys to text editor for a context-sensitive menu
  QAction* options = new QAction(tr("Options"), this);
  options->setSoftKeyRole(QAction::MenuSoftKey);
  QAction* exit = new QAction(tr("Exit"), this);
  exit->setSoftKeyRole(QAction::ExitSoftKey);
 
  QList<QAction*> textEditorSoftKeys;
  textEditorSoftKeys.append(options);
  textEditorSoftKeys.append(exit);
  textEditor->setSoftKeys(textEditorSoftKeys);
 
  setCentralWidget(textEditor);
 
  // Add any common menu items into menu bar
  fileMenu = menuBar()->addMenu(tr("&File"));
  exit = new QAction(tr("&Exit"), this);
  fileMenu->addAction(exit);
  connect(exit, SIGNAL(triggered()), this, SLOT(close()));
}