/******************************************************************************** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).** All rights reserved.** Contact: Nokia Corporation (qt-info@nokia.com)**** This file is part of the test suite of the Qt Toolkit.**** $QT_BEGIN_LICENSE:LGPL$** No Commercial Usage** This file contains pre-release code and may not be distributed.** You may use this file in accordance with the terms and conditions** contained in the Technology Preview License Agreement accompanying** this package.**** GNU Lesser General Public License Usage** Alternatively, this file may be used under the terms of the GNU Lesser** General Public License version 2.1 as published by the Free Software** Foundation and appearing in the file LICENSE.LGPL included in the** packaging of this file. Please review the following information to** ensure the GNU Lesser General Public License version 2.1 requirements** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.**** In addition, as a special exception, Nokia gives you certain additional** rights. These rights are described in the Nokia Qt LGPL Exception** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.**** If you have questions regarding the use of this file, please contact** Nokia at qt-info@nokia.com.****************** $QT_END_LICENSE$******************************************************************************/#include "widget.h"#include "ui_widget.h"#include <QTimer>#include <QDebug>Widget::Widget(QWidget *parent) : QWidget(parent), ui(new Ui::Widget){ ui->setupUi(this); QTimer::singleShot(5000, this, SLOT(switchToFullScreen())); QTimer::singleShot(10000, this, SLOT(addMenuBar())); QTimer::singleShot(15000, this, SLOT(removeMenuBar())); QTimer::singleShot(20000, this, SLOT(switchToNormalScreen()));}Widget::~Widget(){ delete ui;}void Widget::changeEvent(QEvent *e){ QWidget::changeEvent(e); switch (e->type()) { case QEvent::LanguageChange: ui->retranslateUi(this); break; default: break; }}void Widget::switchToFullScreen(){ ui->label->setText("entering full screen"); showFullScreen();}void Widget::switchToNormalScreen(){ ui->label->setText("leaving full screen"); showNormal();}void Widget::addMenuBar(){ ui->label->setText("adding menu bar"); menuBar = new QMenuBar(this); menuBar->setVisible(true);}void Widget::removeMenuBar(){ ui->label->setText("removing menu bar"); delete menuBar;}