<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>window.cpp Example File | Qt OpenGL</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.12</td><td ><a href="qtopengl-index.html">Qt OpenGL</a></td><td ><a href="qtopengl-hellogl2-example.html">Hello GL2 Example</a></td><td >window.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtopengl-index.html">Qt 5.12.6 Reference Documentation</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">window.cpp Example File</h1> <span class="subtitle">hellogl2/window.cpp</span> <!-- $$$hellogl2/window.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** 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 https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, 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 The Qt Company Ltd 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." ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> <span class="preprocessor">#include "glwidget.h"</span> <span class="preprocessor">#include "window.h"</span> <span class="preprocessor">#include "mainwindow.h"</span> <span class="preprocessor">#include <QSlider></span> <span class="preprocessor">#include <QVBoxLayout></span> <span class="preprocessor">#include <QHBoxLayout></span> <span class="preprocessor">#include <QKeyEvent></span> <span class="preprocessor">#include <QPushButton></span> <span class="preprocessor">#include <QDesktopWidget></span> <span class="preprocessor">#include <QApplication></span> <span class="preprocessor">#include <QMessageBox></span> Window<span class="operator">::</span>Window(MainWindow <span class="operator">*</span>mw) : mainWindow(mw) { glWidget <span class="operator">=</span> <span class="keyword">new</span> GLWidget; xSlider <span class="operator">=</span> createSlider(); ySlider <span class="operator">=</span> createSlider(); zSlider <span class="operator">=</span> createSlider(); connect(xSlider<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="../qtwidgets/qslider.html">QSlider</a></span><span class="operator">::</span>valueChanged<span class="operator">,</span> glWidget<span class="operator">,</span> <span class="operator">&</span>GLWidget<span class="operator">::</span>setXRotation); connect(glWidget<span class="operator">,</span> <span class="operator">&</span>GLWidget<span class="operator">::</span>xRotationChanged<span class="operator">,</span> xSlider<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="../qtwidgets/qslider.html">QSlider</a></span><span class="operator">::</span>setValue); connect(ySlider<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="../qtwidgets/qslider.html">QSlider</a></span><span class="operator">::</span>valueChanged<span class="operator">,</span> glWidget<span class="operator">,</span> <span class="operator">&</span>GLWidget<span class="operator">::</span>setYRotation); connect(glWidget<span class="operator">,</span> <span class="operator">&</span>GLWidget<span class="operator">::</span>yRotationChanged<span class="operator">,</span> ySlider<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="../qtwidgets/qslider.html">QSlider</a></span><span class="operator">::</span>setValue); connect(zSlider<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="../qtwidgets/qslider.html">QSlider</a></span><span class="operator">::</span>valueChanged<span class="operator">,</span> glWidget<span class="operator">,</span> <span class="operator">&</span>GLWidget<span class="operator">::</span>setZRotation); connect(glWidget<span class="operator">,</span> <span class="operator">&</span>GLWidget<span class="operator">::</span>zRotationChanged<span class="operator">,</span> zSlider<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="../qtwidgets/qslider.html">QSlider</a></span><span class="operator">::</span>setValue); <span class="type"><a href="../qtwidgets/qvboxlayout.html">QVBoxLayout</a></span> <span class="operator">*</span>mainLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qvboxlayout.html">QVBoxLayout</a></span>; <span class="type"><a href="../qtwidgets/qhboxlayout.html">QHBoxLayout</a></span> <span class="operator">*</span>container <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qhboxlayout.html">QHBoxLayout</a></span>; container<span class="operator">-</span><span class="operator">></span>addWidget(glWidget); container<span class="operator">-</span><span class="operator">></span>addWidget(xSlider); container<span class="operator">-</span><span class="operator">></span>addWidget(ySlider); container<span class="operator">-</span><span class="operator">></span>addWidget(zSlider); <span class="type"><a href="../qtwidgets/qwidget.html">QWidget</a></span> <span class="operator">*</span>w <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qwidget.html">QWidget</a></span>; w<span class="operator">-</span><span class="operator">></span>setLayout(container); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(w); dockBtn <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qpushbutton.html">QPushButton</a></span>(tr(<span class="string">"Undock"</span>)<span class="operator">,</span> <span class="keyword">this</span>); connect(dockBtn<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="../qtwidgets/qpushbutton.html">QPushButton</a></span><span class="operator">::</span>clicked<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>Window<span class="operator">::</span>dockUndock); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(dockBtn); setLayout(mainLayout); xSlider<span class="operator">-</span><span class="operator">></span>setValue(<span class="number">15</span> <span class="operator">*</span> <span class="number">16</span>); ySlider<span class="operator">-</span><span class="operator">></span>setValue(<span class="number">345</span> <span class="operator">*</span> <span class="number">16</span>); zSlider<span class="operator">-</span><span class="operator">></span>setValue(<span class="number">0</span> <span class="operator">*</span> <span class="number">16</span>); setWindowTitle(tr(<span class="string">"Hello GL"</span>)); } <span class="type"><a href="../qtwidgets/qslider.html">QSlider</a></span> <span class="operator">*</span>Window<span class="operator">::</span>createSlider() { <span class="type"><a href="../qtwidgets/qslider.html">QSlider</a></span> <span class="operator">*</span>slider <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qslider.html">QSlider</a></span>(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Vertical); slider<span class="operator">-</span><span class="operator">></span>setRange(<span class="number">0</span><span class="operator">,</span> <span class="number">360</span> <span class="operator">*</span> <span class="number">16</span>); slider<span class="operator">-</span><span class="operator">></span>setSingleStep(<span class="number">16</span>); slider<span class="operator">-</span><span class="operator">></span>setPageStep(<span class="number">15</span> <span class="operator">*</span> <span class="number">16</span>); slider<span class="operator">-</span><span class="operator">></span>setTickInterval(<span class="number">15</span> <span class="operator">*</span> <span class="number">16</span>); slider<span class="operator">-</span><span class="operator">></span>setTickPosition(<span class="type"><a href="../qtwidgets/qslider.html">QSlider</a></span><span class="operator">::</span>TicksRight); <span class="keyword">return</span> slider; } <span class="type">void</span> Window<span class="operator">::</span>keyPressEvent(<span class="type"><a href="../qtgui/qkeyevent.html">QKeyEvent</a></span> <span class="operator">*</span>e) { <span class="keyword">if</span> (e<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Key_Escape) close(); <span class="keyword">else</span> <span class="type"><a href="../qtwidgets/qwidget.html">QWidget</a></span><span class="operator">::</span>keyPressEvent(e); } <span class="type">void</span> Window<span class="operator">::</span>dockUndock() { <span class="keyword">if</span> (parent()) { setParent(<span class="number">0</span>); setAttribute(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>WA_DeleteOnClose); move(<span class="type"><a href="../qtwidgets/qapplication.html">QApplication</a></span><span class="operator">::</span>desktop()<span class="operator">-</span><span class="operator">></span>width() <span class="operator">/</span> <span class="number">2</span> <span class="operator">-</span> width() <span class="operator">/</span> <span class="number">2</span><span class="operator">,</span> <span class="type"><a href="../qtwidgets/qapplication.html">QApplication</a></span><span class="operator">::</span>desktop()<span class="operator">-</span><span class="operator">></span>height() <span class="operator">/</span> <span class="number">2</span> <span class="operator">-</span> height() <span class="operator">/</span> <span class="number">2</span>); dockBtn<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"Dock"</span>)); show(); } <span class="keyword">else</span> { <span class="keyword">if</span> (<span class="operator">!</span>mainWindow<span class="operator">-</span><span class="operator">></span>centralWidget()) { <span class="keyword">if</span> (mainWindow<span class="operator">-</span><span class="operator">></span>isVisible()) { setAttribute(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>WA_DeleteOnClose<span class="operator">,</span> <span class="keyword">false</span>); dockBtn<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"Undock"</span>)); mainWindow<span class="operator">-</span><span class="operator">></span>setCentralWidget(<span class="keyword">this</span>); } <span class="keyword">else</span> { <span class="type"><a href="../qtwidgets/qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="number">0</span><span class="operator">,</span> tr(<span class="string">"Cannot dock"</span>)<span class="operator">,</span> tr(<span class="string">"Main window already closed"</span>)); } } <span class="keyword">else</span> { <span class="type"><a href="../qtwidgets/qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="number">0</span><span class="operator">,</span> tr(<span class="string">"Cannot dock"</span>)<span class="operator">,</span> tr(<span class="string">"Main window already occupied"</span>)); } } } </pre> </div> <!-- @@@hellogl2/window.cpp --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br/> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br/> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>