qt5base-lts/tests/manual/qtbug-8933/widget.cpp

/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#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;
}