<?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>flippablepad.cpp Example File | Qt Widgets 5.9</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 5.9</td><td ><a href="qtwidgets-index.html">Qt Widgets</a></td><td ><a href="qtwidgets-graphicsview-padnavigator-example.html">Pad Navigator Example</a></td><td >flippablepad.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</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">flippablepad.cpp Example File</h1> <span class="subtitle">graphicsview/padnavigator/flippablepad.cpp</span> <!-- $$$graphicsview/padnavigator/flippablepad.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 "flippablepad.h"</span> <span class="preprocessor">#include <QDirIterator></span> <span class="keyword">static</span> <span class="type"><a href="../qtcore/qrectf.html">QRectF</a></span> boundsFromSize(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qsize.html">QSize</a></span> <span class="operator">&</span>size) { <span class="keyword">return</span> <span class="type"><a href="../qtcore/qrectf.html">QRectF</a></span>((<span class="operator">-</span>size<span class="operator">.</span>width() <span class="operator">/</span> <span class="number">2.0</span>) <span class="operator">*</span> <span class="number">150</span><span class="operator">,</span> (<span class="operator">-</span>size<span class="operator">.</span>height() <span class="operator">/</span> <span class="number">2.0</span>) <span class="operator">*</span> <span class="number">150</span><span class="operator">,</span> size<span class="operator">.</span>width() <span class="operator">*</span> <span class="number">150</span><span class="operator">,</span> size<span class="operator">.</span>height() <span class="operator">*</span> <span class="number">150</span>); } <span class="keyword">static</span> <span class="type"><a href="../qtcore/qpointf.html">QPointF</a></span> posForLocation(<span class="type">int</span> column<span class="operator">,</span> <span class="type">int</span> row<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qsize.html">QSize</a></span> <span class="operator">&</span>size) { <span class="keyword">return</span> <span class="type"><a href="../qtcore/qpointf.html">QPointF</a></span>(column <span class="operator">*</span> <span class="number">150</span><span class="operator">,</span> row <span class="operator">*</span> <span class="number">150</span>) <span class="operator">-</span> <span class="type"><a href="../qtcore/qpointf.html">QPointF</a></span>((size<span class="operator">.</span>width() <span class="operator">-</span> <span class="number">1</span>) <span class="operator">*</span> <span class="number">75</span><span class="operator">,</span> (size<span class="operator">.</span>height() <span class="operator">-</span> <span class="number">1</span>) <span class="operator">*</span> <span class="number">75</span>); } FlippablePad<span class="operator">::</span>FlippablePad(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qsize.html">QSize</a></span> <span class="operator">&</span>size<span class="operator">,</span> <span class="type"><a href="qgraphicsitem.html">QGraphicsItem</a></span> <span class="operator">*</span>parent) : RoundRectItem(boundsFromSize(size)<span class="operator">,</span> <span class="type"><a href="../qtgui/qcolor.html">QColor</a></span>(<span class="number">226</span><span class="operator">,</span> <span class="number">255</span><span class="operator">,</span> <span class="number">92</span><span class="operator">,</span> <span class="number">64</span>)<span class="operator">,</span> parent) { <span class="type">int</span> numIcons <span class="operator">=</span> size<span class="operator">.</span>width() <span class="operator">*</span> size<span class="operator">.</span>height(); <span class="type"><a href="../qtcore/qlist.html">QList</a></span><span class="operator"><</span><span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span><span class="operator">></span> pixmaps; <span class="type"><a href="../qtcore/qdiriterator.html">QDirIterator</a></span> it(<span class="string">":/images"</span><span class="operator">,</span> <span class="type"><a href="../qtcore/qstringlist.html">QStringList</a></span>() <span class="operator"><</span><span class="operator"><</span> <span class="string">"*.png"</span>); <span class="keyword">while</span> (it<span class="operator">.</span>hasNext() <span class="operator">&</span><span class="operator">&</span> pixmaps<span class="operator">.</span>size() <span class="operator"><</span> numIcons) pixmaps <span class="operator"><</span><span class="operator"><</span> it<span class="operator">.</span>next(); <span class="keyword">const</span> <span class="type"><a href="../qtcore/qrectf.html">QRectF</a></span> iconRect(<span class="operator">-</span><span class="number">54</span><span class="operator">,</span> <span class="operator">-</span><span class="number">54</span><span class="operator">,</span> <span class="number">108</span><span class="operator">,</span> <span class="number">108</span>); <span class="keyword">const</span> <span class="type"><a href="../qtgui/qcolor.html">QColor</a></span> iconColor(<span class="number">214</span><span class="operator">,</span> <span class="number">240</span><span class="operator">,</span> <span class="number">110</span><span class="operator">,</span> <span class="number">128</span>); iconGrid<span class="operator">.</span>resize(size<span class="operator">.</span>height()); <span class="type">int</span> n <span class="operator">=</span> <span class="number">0</span>; <span class="keyword">for</span> (<span class="type">int</span> y <span class="operator">=</span> <span class="number">0</span>; y <span class="operator"><</span> size<span class="operator">.</span>height(); <span class="operator">+</span><span class="operator">+</span>y) { iconGrid<span class="operator">[</span>y<span class="operator">]</span><span class="operator">.</span>resize(size<span class="operator">.</span>width()); <span class="keyword">for</span> (<span class="type">int</span> x <span class="operator">=</span> <span class="number">0</span>; x <span class="operator"><</span> size<span class="operator">.</span>width(); <span class="operator">+</span><span class="operator">+</span>x) { RoundRectItem <span class="operator">*</span>rect <span class="operator">=</span> <span class="keyword">new</span> RoundRectItem(iconRect<span class="operator">,</span> iconColor<span class="operator">,</span> <span class="keyword">this</span>); rect<span class="operator">-</span><span class="operator">></span>setZValue(<span class="number">1</span>); rect<span class="operator">-</span><span class="operator">></span>setPos(posForLocation(x<span class="operator">,</span> y<span class="operator">,</span> size)); rect<span class="operator">-</span><span class="operator">></span>setPixmap(pixmaps<span class="operator">.</span>at(n<span class="operator">+</span><span class="operator">+</span> <span class="operator">%</span> pixmaps<span class="operator">.</span>size())); iconGrid<span class="operator">[</span>y<span class="operator">]</span><span class="operator">[</span>x<span class="operator">]</span> <span class="operator">=</span> rect; } } } RoundRectItem <span class="operator">*</span>FlippablePad<span class="operator">::</span>iconAt(<span class="type">int</span> column<span class="operator">,</span> <span class="type">int</span> row) <span class="keyword">const</span> { <span class="keyword">return</span> iconGrid<span class="operator">[</span>row<span class="operator">]</span><span class="operator">[</span>column<span class="operator">]</span>; } </pre> </div> <!-- @@@graphicsview/padnavigator/flippablepad.cpp --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2017 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>