|  | Home · All Classes · All Functions · Overviews

# mainwindow.cpp Example File
opengl/hellogl_es/mainwindow.cpp

     /****************************************************************************
     **
     ** 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 examples of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:LGPL$
     ** Commercial Usage
     ** Licensees holding valid Qt Commercial licenses may use this file in
     ** accordance with the Qt Commercial License Agreement provided with the
     ** Software or, alternatively, in accordance with the terms contained in
     ** a written agreement between you and Nokia.
     **
     ** 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.
     **
     ** GNU General Public License Usage
     ** Alternatively, this file may be used under the terms of the GNU
     ** General Public License version 3.0 as published by the Free Software
     ** Foundation and appearing in the file LICENSE.GPL included in the
     ** packaging of this file.  Please review the following information to
     ** ensure the GNU General Public License version 3.0 requirements will be
     ** met: http://www.gnu.org/copyleft/gpl.html.
     **
     ** If you have questions regarding the use of this file, please contact
     ** Nokia at qt-info@nokia.com.
     ** $QT_END_LICENSE$
     **
     ****************************************************************************/

     #include "mainwindow.h"

     #include <QApplication>
     #include <QMenuBar>
     #include <QGroupBox>
     #include <QGridLayout>
     #include <QSlider>
     #include <QLabel>
     #include <QTimer>

     #include "glwidget.h"

     MainWindow::MainWindow()
     {
         GLWidget *glwidget = new GLWidget();
         QLabel *label = new QLabel(this);
         QTimer *timer = new QTimer(this);
         QSlider *slider = new QSlider(this);
         slider->setOrientation(Qt::Horizontal);

         slider->setRange(0, 100);
         slider->setSliderPosition(50);
         timer->setInterval(10);
         label->setText("A QGlWidget with OpenGl ES");
         label->setAlignment(Qt::AlignHCenter);

         QGroupBox * groupBox = new QGroupBox(this);
         setCentralWidget(groupBox);
         groupBox->setTitle("OpenGL ES Example");

         QGridLayout *layout = new QGridLayout(groupBox);

         layout->addWidget(glwidget,1,0,8,1);
         layout->addWidget(label,9,0,1,1);
         layout->addWidget(slider, 11,0,1,1);

         groupBox->setLayout(layout);

         QMenu *fileMenu = new QMenu("File");
         QMenu *helpMenu = new QMenu("Help");
         QMenu *showMenu = new QMenu("Show");
         menuBar()->addMenu(fileMenu);
         menuBar()->addMenu(showMenu);
         menuBar()->addMenu(helpMenu);
         QAction *exit = new QAction("Exit", fileMenu);
         QAction *aboutQt = new QAction("AboutQt", helpMenu);
         QAction *showLogo = new QAction("Show 3D Logo", showMenu);
         QAction *showTexture = new QAction("Show 2D Texture", showMenu);
         QAction *showBubbles = new QAction("Show bubbles", showMenu);
         showBubbles->setCheckable(true);
         showBubbles->setChecked(true);
         fileMenu->addAction(exit);
         helpMenu->addAction(aboutQt);
         showMenu->addAction(showLogo);
         showMenu->addAction(showTexture);
         showMenu->addAction(showBubbles);

         QObject::connect(timer, SIGNAL(timeout()), glwidget, SLOT(updateGL()));
         QObject::connect(exit, SIGNAL(triggered(bool)), this, SLOT(close()));
         QObject::connect(aboutQt, SIGNAL(triggered(bool)), qApp, SLOT(aboutQt()));

         QObject::connect(showLogo, SIGNAL(triggered(bool)), glwidget, SLOT(setLogo()));
         QObject::connect(showTexture, SIGNAL(triggered(bool)), glwidget, SLOT(setTexture()));
         QObject::connect(showBubbles, SIGNAL(triggered(bool)), glwidget, SLOT(showBubbles(bool)));
         QObject::connect(slider, SIGNAL(valueChanged(int)), glwidget, SLOT(setScaling(int)));
         timer->start();
     }