<?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>mainwindow.cpp Example File | Qt GUI 5.12.6</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="qtgui-index.html">Qt GUI</a></td><td ><a href="qtgui-hellovulkancubes-example.html">Hello Vulkan Cubes Example</a></td><td >mainwindow.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtgui-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">mainwindow.cpp Example File</h1> <span class="subtitle">hellovulkancubes/mainwindow.cpp</span> <!-- $$$hellovulkancubes/mainwindow.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2017 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 "mainwindow.h"</span> <span class="preprocessor">#include "vulkanwindow.h"</span> <span class="preprocessor">#include <QApplication></span> <span class="preprocessor">#include <QLabel></span> <span class="preprocessor">#include <QPushButton></span> <span class="preprocessor">#include <QLCDNumber></span> <span class="preprocessor">#include <QCheckBox></span> <span class="preprocessor">#include <QGridLayout></span> MainWindow<span class="operator">::</span>MainWindow(VulkanWindow <span class="operator">*</span>vulkanWindow) { <span class="type"><a href="../qtwidgets/qwidget.html">QWidget</a></span> <span class="operator">*</span>wrapper <span class="operator">=</span> <span class="type"><a href="../qtwidgets/qwidget.html">QWidget</a></span><span class="operator">::</span>createWindowContainer(vulkanWindow); wrapper<span class="operator">-</span><span class="operator">></span>setFocusPolicy(<span class="type"><a href="qt-sub-qtgui.html">Qt</a></span><span class="operator">::</span>StrongFocus); wrapper<span class="operator">-</span><span class="operator">></span>setFocus(); infoLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qlabel.html">QLabel</a></span>; infoLabel<span class="operator">-</span><span class="operator">></span>setFrameStyle(<span class="type"><a href="../qtwidgets/qframe.html">QFrame</a></span><span class="operator">::</span>Box <span class="operator">|</span> <span class="type"><a href="../qtwidgets/qframe.html">QFrame</a></span><span class="operator">::</span>Raised); infoLabel<span class="operator">-</span><span class="operator">></span>setAlignment(<span class="type"><a href="qt-sub-qtgui.html">Qt</a></span><span class="operator">::</span>AlignCenter); infoLabel<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"This example demonstrates instanced drawing\nof a mesh loaded from a file.\n"</span> <span class="string">"Uses a Phong material with a single light.\n"</span> <span class="string">"Also demonstrates dynamic uniform buffers\nand a bit of threading with QtConcurrent.\n"</span> <span class="string">"Uses 4x MSAA when available.\n"</span> <span class="string">"Comes with an FPS camera.\n"</span> <span class="string">"Hit [Shift+]WASD to walk and strafe.\nPress and move mouse to look around.\n"</span> <span class="string">"Click Add New to increase the number of instances."</span>)); meshSwitch <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qcheckbox.html">QCheckBox</a></span>(tr(<span class="string">"&Use Qt logo"</span>)); meshSwitch<span class="operator">-</span><span class="operator">></span>setFocusPolicy(<span class="type"><a href="qt-sub-qtgui.html">Qt</a></span><span class="operator">::</span>NoFocus); <span class="comment">// do not interfere with vulkanWindow's keyboard input</span> counterLcd <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qlcdnumber.html">QLCDNumber</a></span>(<span class="number">5</span>); counterLcd<span class="operator">-</span><span class="operator">></span>setSegmentStyle(<span class="type"><a href="../qtwidgets/qlcdnumber.html">QLCDNumber</a></span><span class="operator">::</span>Filled); counterLcd<span class="operator">-</span><span class="operator">></span>display(m_count); newButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qpushbutton.html">QPushButton</a></span>(tr(<span class="string">"&Add new"</span>)); newButton<span class="operator">-</span><span class="operator">></span>setFocusPolicy(<span class="type"><a href="qt-sub-qtgui.html">Qt</a></span><span class="operator">::</span>NoFocus); quitButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qpushbutton.html">QPushButton</a></span>(tr(<span class="string">"&Quit"</span>)); quitButton<span class="operator">-</span><span class="operator">></span>setFocusPolicy(<span class="type"><a href="qt-sub-qtgui.html">Qt</a></span><span class="operator">::</span>NoFocus); pauseButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qpushbutton.html">QPushButton</a></span>(tr(<span class="string">"&Pause"</span>)); pauseButton<span class="operator">-</span><span class="operator">></span>setFocusPolicy(<span class="type"><a href="qt-sub-qtgui.html">Qt</a></span><span class="operator">::</span>NoFocus); connect(quitButton<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> <a href="../qtwidgets/qapplication.html#qApp">qApp</a><span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="../qtcore/qcoreapplication.html">QCoreApplication</a></span><span class="operator">::</span>quit); connect(newButton<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> vulkanWindow<span class="operator">,</span> <span class="operator">[</span><span class="operator">=</span><span class="operator">]</span> { vulkanWindow<span class="operator">-</span><span class="operator">></span>addNew(); m_count <span class="operator">=</span> vulkanWindow<span class="operator">-</span><span class="operator">></span>instanceCount(); counterLcd<span class="operator">-</span><span class="operator">></span>display(m_count); }); connect(pauseButton<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> vulkanWindow<span class="operator">,</span> <span class="operator">&</span>VulkanWindow<span class="operator">::</span>togglePaused); connect(meshSwitch<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="../qtwidgets/qcheckbox.html">QCheckBox</a></span><span class="operator">::</span>clicked<span class="operator">,</span> vulkanWindow<span class="operator">,</span> <span class="operator">&</span>VulkanWindow<span class="operator">::</span>meshSwitched); <span class="type"><a href="../qtwidgets/qgridlayout.html">QGridLayout</a></span> <span class="operator">*</span>layout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qgridlayout.html">QGridLayout</a></span>; layout<span class="operator">-</span><span class="operator">></span>addWidget(infoLabel<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">2</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(meshSwitch<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">2</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(createLabel(tr(<span class="string">"INSTANCES"</span>))<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">2</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(counterLcd<span class="operator">,</span> <span class="number">3</span><span class="operator">,</span> <span class="number">2</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(newButton<span class="operator">,</span> <span class="number">4</span><span class="operator">,</span> <span class="number">2</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(pauseButton<span class="operator">,</span> <span class="number">5</span><span class="operator">,</span> <span class="number">2</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(quitButton<span class="operator">,</span> <span class="number">6</span><span class="operator">,</span> <span class="number">2</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(wrapper<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">7</span><span class="operator">,</span> <span class="number">2</span>); setLayout(layout); } <span class="type"><a href="../qtwidgets/qlabel.html">QLabel</a></span> <span class="operator">*</span>MainWindow<span class="operator">::</span>createLabel(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>text) { <span class="type"><a href="../qtwidgets/qlabel.html">QLabel</a></span> <span class="operator">*</span>lbl <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qlabel.html">QLabel</a></span>(text); lbl<span class="operator">-</span><span class="operator">></span>setAlignment(<span class="type"><a href="qt-sub-qtgui.html">Qt</a></span><span class="operator">::</span>AlignHCenter <span class="operator">|</span> <span class="type"><a href="qt-sub-qtgui.html">Qt</a></span><span class="operator">::</span>AlignBottom); <span class="keyword">return</span> lbl; } </pre> </div> <!-- @@@hellovulkancubes/mainwindow.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>