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# window.cpp Example File
opengl/2dpainting/window.cpp

        /****************************************************************************
        **
        ** Copyright (C) 2006-2006 Trolltech ASA. All rights reserved.
        **
        ** This file is part of the example classes of the Qt Toolkit.
        **
        ** Licensees holding valid Qt Preview licenses may use this file in
        ** accordance with the Qt Preview License Agreement provided with the
        ** Software.
        **
        ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
        ** information about Qt Commercial License Agreements.
        **
        ** Contact info@trolltech.com if any conditions of this licensing are
        ** not clear to you.
        **
        ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
        ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        **
        ****************************************************************************/

        #include <QtGui>
        #include "glwidget.h"
        #include "widget.h"
        #include "window.h"

        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"));
        }