<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>Qt 4.6: mainwindow.cpp Example File (opengl/hellogl_es/mainwindow.cpp)</title> <link href="classic.css" rel="stylesheet" type="text/css" /> </head> <body> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr> <td align="left" valign="top" width="32"><a href="http://qt.nokia.com/"><img src="images/qt-logo.png" align="left" border="0" /></a></td> <td width="1"> </td><td class="postheader" valign="center"><a href="index.html"><font color="#004faf">Home</font></a> · <a href="classes.html"><font color="#004faf">All Classes</font></a> · <a href="functions.html"><font color="#004faf">All Functions</font></a> · <a href="overviews.html"><font color="#004faf">Overviews</font></a></td></tr></table><h1 class="title">mainwindow.cpp Example File<br /><span class="small-subtitle">opengl/hellogl_es/mainwindow.cpp</span> </h1> <pre><span class="comment"> /**************************************************************************** ** ** 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. ** $QT_END_LICENSE$ ** ****************************************************************************/</span> #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(); }</pre> <p /><address><hr /><div align="center"> <table width="100%" cellspacing="0" border="0"><tr class="address"> <td width="40%" align="left">Copyright © 2010 Nokia Corporation and/or its subsidiary(-ies)</td> <td width="20%" align="center"><a href="trademarks.html">Trademarks</a></td> <td width="40%" align="right"><div align="right">Qt 4.6.3</div></td> </tr></table></div></address></body> </html>