qt5base-lts/examples/opengl/2dpainting/window.cpp

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtWidgets>
#include "glwidget.h"
#include "widget.h"
#include "window.h"
//! [0]
Window::Window()
: QWidget()
{
Widget *native = new Widget(&helper, this);
GLWidget *openGL = new GLWidget(&helper, this);
QLabel *nativeLabel = new QLabel(tr("Native"));
nativeLabel->setAlignment(Qt::AlignHCenter);
QLabel *openGLLabel = new QLabel(tr("OpenGL"));
openGLLabel->setAlignment(Qt::AlignHCenter);
QGridLayout *layout = new QGridLayout;
layout->addWidget(native, 0, 0);
layout->addWidget(openGL, 0, 1);
layout->addWidget(nativeLabel, 1, 0);
layout->addWidget(openGLLabel, 1, 1);
setLayout(layout);
QTimer *timer = new QTimer(this);
connect(timer, SIGNAL(timeout()), native, SLOT(animate()));
connect(timer, SIGNAL(timeout()), openGL, SLOT(animate()));
timer->start(50);
setWindowTitle(tr("2D Painting on Native and OpenGL Widgets"));
}
//! [0]