<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en_US" lang="en_US"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Qt 4.8: chip.cpp Example File (demos/chip/chip.cpp)</title> <link rel="stylesheet" type="text/css" href="style/style.css" /> <script src="scripts/jquery.js" type="text/javascript"></script> <script src="scripts/functions.js" type="text/javascript"></script> <link rel="stylesheet" type="text/css" href="style/superfish.css" /> <link rel="stylesheet" type="text/css" href="style/narrow.css" /> <!--[if IE]> <meta name="MSSmartTagsPreventParsing" content="true"> <meta http-equiv="imagetoolbar" content="no"> <![endif]--> <!--[if lt IE 7]> <link rel="stylesheet" type="text/css" href="style/style_ie6.css"> <![endif]--> <!--[if IE 7]> <link rel="stylesheet" type="text/css" href="style/style_ie7.css"> <![endif]--> <!--[if IE 8]> <link rel="stylesheet" type="text/css" href="style/style_ie8.css"> <![endif]--> <script src="scripts/superfish.js" type="text/javascript"></script> <script src="scripts/narrow.js" type="text/javascript"></script> </head> <body class="" onload="CheckEmptyAndLoadList();"> <div class="header" id="qtdocheader"> <div class="content"> <div id="nav-logo"> <a href="index.html">Home</a></div> <a href="index.html" class="qtref"><span>Qt Reference Documentation</span></a> <div id="narrowsearch"></div> <div id="nav-topright"> <ul> <li class="nav-topright-home"><a href="http://qt.digia.com/">Qt HOME</a></li> <li class="nav-topright-dev"><a href="http://qt-project.org/">DEV</a></li> <li class="nav-topright-doc nav-topright-doc-active"><a href="http://qt-project.org/doc/"> DOC</a></li> <li class="nav-topright-blog"><a href="http://blog.qt.digia.com/">BLOG</a></li> </ul> </div> <div id="shortCut"> <ul> <li class="shortCut-topleft-inactive"><span><a href="index.html">Qt 4.8</a></span></li> <li class="shortCut-topleft-active"><a href="http://qt-project.org/doc/">ALL VERSIONS </a></li> </ul> </div> <ul class="sf-menu" id="narrowmenu"> <li><a href="#">API Lookup</a> <ul> <li><a href="classes.html">Class index</a></li> <li><a href="functions.html">Function index</a></li> <li><a href="modules.html">Modules</a></li> <li><a href="namespaces.html">Namespaces</a></li> <li><a href="qtglobal.html">Global Declarations</a></li> <li><a href="qdeclarativeelements.html">QML elements</a></li> </ul> </li> <li><a href="#">Qt Topics</a> <ul> <li><a href="qt-basic-concepts.html">Programming with Qt</a></li> <li><a href="qtquick.html">Device UIs & Qt Quick</a></li> <li><a href="qt-gui-concepts.html">UI Design with Qt</a></li> <li><a href="supported-platforms.html">Supported Platforms</a></li> <li><a href="technology-apis.html">Qt and Key Technologies</a></li> <li><a href="best-practices.html">How-To's and Best Practices</a></li> </ul> </li> <li><a href="#">Examples</a> <ul> <li><a href="all-examples.html">Examples</a></li> <li><a href="tutorials.html">Tutorials</a></li> <li><a href="demos.html">Demos</a></li> <li><a href="qdeclarativeexamples.html">QML Examples</a></li> </ul> </li> </ul> </div> </div> <div class="wrapper"> <div class="hd"> <span></span> </div> <div class="bd group"> <div class="sidebar"> <div class="searchlabel"> Search index:</div> <div class="search" id="sidebarsearch"> <form id="qtdocsearch" action="" onsubmit="return false;"> <fieldset> <input type="text" name="searchstring" id="pageType" value="" /> <div id="resultdialog"> <a href="#" id="resultclose">Close</a> <p id="resultlinks" class="all"><a href="#" id="showallresults">All</a> | <a href="#" id="showapiresults">API</a> | <a href="#" id="showarticleresults">Articles</a> | <a href="#" id="showexampleresults">Examples</a></p> <p id="searchcount" class="all"><span id="resultcount"></span><span id="apicount"></span><span id="articlecount"></span><span id="examplecount"></span> results:</p> <ul id="resultlist" class="all"> </ul> </div> </fieldset> </form> </div> <div class="box first bottombar" id="lookup"> <h2 title="API Lookup"><span></span> API Lookup</h2> <div id="list001" class="list"> <ul id="ul001" > <li class="defaultLink"><a href="classes.html">Class index</a></li> <li class="defaultLink"><a href="functions.html">Function index</a></li> <li class="defaultLink"><a href="modules.html">Modules</a></li> <li class="defaultLink"><a href="namespaces.html">Namespaces</a></li> <li class="defaultLink"><a href="qtglobal.html">Global Declarations</a></li> <li class="defaultLink"><a href="qdeclarativeelements.html">QML elements</a></li> </ul> </div> </div> <div class="box bottombar" id="topics"> <h2 title="Qt Topics"><span></span> Qt Topics</h2> <div id="list002" class="list"> <ul id="ul002" > <li class="defaultLink"><a href="qt-basic-concepts.html">Programming with Qt</a></li> <li class="defaultLink"><a href="qtquick.html">Device UIs & Qt Quick</a></li> <li class="defaultLink"><a href="qt-gui-concepts.html">UI Design with Qt</a></li> <li class="defaultLink"><a href="supported-platforms.html">Supported Platforms</a></li> <li class="defaultLink"><a href="technology-apis.html">Qt and Key Technologies</a></li> <li class="defaultLink"><a href="best-practices.html">How-To's and Best Practices</a></li> </ul> </div> </div> <div class="box" id="examples"> <h2 title="Examples"><span></span> Examples</h2> <div id="list003" class="list"> <ul id="ul003"> <li class="defaultLink"><a href="all-examples.html">Examples</a></li> <li class="defaultLink"><a href="tutorials.html">Tutorials</a></li> <li class="defaultLink"><a href="demos.html">Demos</a></li> <li class="defaultLink"><a href="qdeclarativeexamples.html">QML Examples</a></li> </ul> </div> </div> </div> <div class="wrap"> <div class="toolbar"> <div class="breadcrumb toolblock"> <ul> <li class="first"><a href="index.html">Home</a></li> <!-- Breadcrumbs go here --> </ul> </div> <div class="toolbuttons toolblock"> <ul> <li id="smallA" class="t_button">A</li> <li id="medA" class="t_button active">A</li> <li id="bigA" class="t_button">A</li> <li id="print" class="t_button"><a href="javascript:this.print();"> <span>Print</span></a></li> </ul> </div> </div> <div class="content mainContent"> <h1 class="title">chip.cpp Example File</h1> <span class="small-subtitle">demos/chip/chip.cpp</span> <!-- $$$demos/chip/chip.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2015 The Qt Company Ltd. ** Contact: http://www.qt.io/licensing/ ** ** This file is part of the demonstration applications of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** 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 http://www.qt.io/terms-conditions. For further ** information use the contact form at http://www.qt.io/contact-us. ** ** 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 or version 3 as published by the Free ** Software Foundation and appearing in the file LICENSE.LGPLv21 and ** LICENSE.LGPLv3 included in the packaging of this file. Please review the ** following information to ensure the GNU Lesser General Public License ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** As a special exception, The Qt Company gives you certain additional ** rights. These rights are described in The Qt Company 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. ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> <span class="preprocessor">#include "chip.h"</span> <span class="preprocessor">#include <QtGui></span> Chip<span class="operator">::</span>Chip(<span class="keyword">const</span> <span class="type"><a href="qcolor.html">QColor</a></span> <span class="operator">&</span>color<span class="operator">,</span> <span class="type">int</span> x<span class="operator">,</span> <span class="type">int</span> y) { <span class="keyword">this</span><span class="operator">-</span><span class="operator">></span>x <span class="operator">=</span> x; <span class="keyword">this</span><span class="operator">-</span><span class="operator">></span>y <span class="operator">=</span> y; <span class="keyword">this</span><span class="operator">-</span><span class="operator">></span>color <span class="operator">=</span> color; setZValue((x <span class="operator">+</span> y) <span class="operator">%</span> <span class="number">2</span>); setFlags(ItemIsSelectable <span class="operator">|</span> ItemIsMovable); setAcceptsHoverEvents(<span class="keyword">true</span>); } <span class="type"><a href="qrectf.html">QRectF</a></span> Chip<span class="operator">::</span>boundingRect() <span class="keyword">const</span> { <span class="keyword">return</span> <span class="type"><a href="qrectf.html">QRectF</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">110</span><span class="operator">,</span> <span class="number">70</span>); } <span class="type"><a href="qpainterpath.html">QPainterPath</a></span> Chip<span class="operator">::</span>shape() <span class="keyword">const</span> { <span class="type"><a href="qpainterpath.html">QPainterPath</a></span> path; path<span class="operator">.</span>addRect(<span class="number">14</span><span class="operator">,</span> <span class="number">14</span><span class="operator">,</span> <span class="number">82</span><span class="operator">,</span> <span class="number">42</span>); <span class="keyword">return</span> path; } <span class="type">void</span> Chip<span class="operator">::</span>paint(<span class="type"><a href="qpainter.html">QPainter</a></span> <span class="operator">*</span>painter<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qstyleoptiongraphicsitem.html">QStyleOptionGraphicsItem</a></span> <span class="operator">*</span>option<span class="operator">,</span> <span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>widget) { Q_UNUSED(widget); <span class="type"><a href="qcolor.html">QColor</a></span> fillColor <span class="operator">=</span> (option<span class="operator">-</span><span class="operator">></span>state <span class="operator">&</span> <span class="type"><a href="qstyle.html">QStyle</a></span><span class="operator">::</span>State_Selected) <span class="operator">?</span> color<span class="operator">.</span>dark(<span class="number">150</span>) : color; <span class="keyword">if</span> (option<span class="operator">-</span><span class="operator">></span>state <span class="operator">&</span> <span class="type"><a href="qstyle.html">QStyle</a></span><span class="operator">::</span>State_MouseOver) fillColor <span class="operator">=</span> fillColor<span class="operator">.</span>light(<span class="number">125</span>); <span class="keyword">const</span> <span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> lod <span class="operator">=</span> option<span class="operator">-</span><span class="operator">></span>levelOfDetailFromTransform(painter<span class="operator">-</span><span class="operator">></span>worldTransform()); <span class="keyword">if</span> (lod <span class="operator"><</span> <span class="number">0.2</span>) { <span class="keyword">if</span> (lod <span class="operator"><</span> <span class="number">0.125</span>) { painter<span class="operator">-</span><span class="operator">></span>fillRect(<span class="type"><a href="qrectf.html">QRectF</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">110</span><span class="operator">,</span> <span class="number">70</span>)<span class="operator">,</span> fillColor); <span class="keyword">return</span>; } <span class="type"><a href="qbrush.html">QBrush</a></span> b <span class="operator">=</span> painter<span class="operator">-</span><span class="operator">></span>brush(); painter<span class="operator">-</span><span class="operator">></span>setBrush(fillColor); painter<span class="operator">-</span><span class="operator">></span>drawRect(<span class="number">13</span><span class="operator">,</span> <span class="number">13</span><span class="operator">,</span> <span class="number">97</span><span class="operator">,</span> <span class="number">57</span>); painter<span class="operator">-</span><span class="operator">></span>setBrush(b); <span class="keyword">return</span>; } <span class="type"><a href="qpen.html">QPen</a></span> oldPen <span class="operator">=</span> painter<span class="operator">-</span><span class="operator">></span>pen(); <span class="type"><a href="qpen.html">QPen</a></span> pen <span class="operator">=</span> oldPen; <span class="type">int</span> width <span class="operator">=</span> <span class="number">0</span>; <span class="keyword">if</span> (option<span class="operator">-</span><span class="operator">></span>state <span class="operator">&</span> <span class="type"><a href="qstyle.html">QStyle</a></span><span class="operator">::</span>State_Selected) width <span class="operator">+</span><span class="operator">=</span> <span class="number">2</span>; pen<span class="operator">.</span>setWidth(width); <span class="type"><a href="qbrush.html">QBrush</a></span> b <span class="operator">=</span> painter<span class="operator">-</span><span class="operator">></span>brush(); painter<span class="operator">-</span><span class="operator">></span>setBrush(<span class="type"><a href="qbrush.html">QBrush</a></span>(fillColor<span class="operator">.</span>dark(option<span class="operator">-</span><span class="operator">></span>state <span class="operator">&</span> <span class="type"><a href="qstyle.html">QStyle</a></span><span class="operator">::</span>State_Sunken <span class="operator">?</span> <span class="number">120</span> : <span class="number">100</span>))); painter<span class="operator">-</span><span class="operator">></span>drawRect(<span class="type"><a href="qrect.html">QRect</a></span>(<span class="number">14</span><span class="operator">,</span> <span class="number">14</span><span class="operator">,</span> <span class="number">79</span><span class="operator">,</span> <span class="number">39</span>)); painter<span class="operator">-</span><span class="operator">></span>setBrush(b); <span class="keyword">if</span> (lod <span class="operator">></span><span class="operator">=</span> <span class="number">1</span>) { painter<span class="operator">-</span><span class="operator">></span>setPen(<span class="type"><a href="qpen.html">QPen</a></span>(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>gray<span class="operator">,</span> <span class="number">1</span>)); painter<span class="operator">-</span><span class="operator">></span>drawLine(<span class="number">15</span><span class="operator">,</span> <span class="number">54</span><span class="operator">,</span> <span class="number">94</span><span class="operator">,</span> <span class="number">54</span>); painter<span class="operator">-</span><span class="operator">></span>drawLine(<span class="number">94</span><span class="operator">,</span> <span class="number">53</span><span class="operator">,</span> <span class="number">94</span><span class="operator">,</span> <span class="number">15</span>); painter<span class="operator">-</span><span class="operator">></span>setPen(<span class="type"><a href="qpen.html">QPen</a></span>(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>black<span class="operator">,</span> <span class="number">0</span>)); } <span class="comment">// Draw text</span> <span class="keyword">if</span> (lod <span class="operator">></span><span class="operator">=</span> <span class="number">2</span>) { <span class="type"><a href="qfont.html">QFont</a></span> font(<span class="string">"Times"</span><span class="operator">,</span> <span class="number">10</span>); font<span class="operator">.</span>setStyleStrategy(<span class="type"><a href="qfont.html">QFont</a></span><span class="operator">::</span>ForceOutline); painter<span class="operator">-</span><span class="operator">></span>setFont(font); painter<span class="operator">-</span><span class="operator">></span>save(); painter<span class="operator">-</span><span class="operator">></span>scale(<span class="number">0.1</span><span class="operator">,</span> <span class="number">0.1</span>); painter<span class="operator">-</span><span class="operator">></span>drawText(<span class="number">170</span><span class="operator">,</span> <span class="number">180</span><span class="operator">,</span> <span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"Model: VSC-2000 (Very Small Chip) at %1x%2"</span>)<span class="operator">.</span>arg(x)<span class="operator">.</span>arg(y)); painter<span class="operator">-</span><span class="operator">></span>drawText(<span class="number">170</span><span class="operator">,</span> <span class="number">200</span><span class="operator">,</span> <span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"Serial number: DLWR-WEER-123L-ZZ33-SDSJ"</span>)); painter<span class="operator">-</span><span class="operator">></span>drawText(<span class="number">170</span><span class="operator">,</span> <span class="number">220</span><span class="operator">,</span> <span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"Manufacturer: Chip Manufacturer"</span>)); painter<span class="operator">-</span><span class="operator">></span>restore(); } <span class="comment">// Draw lines</span> <span class="type"><a href="qvarlengtharray.html">QVarLengthArray</a></span><span class="operator"><</span><span class="type"><a href="qlinef.html">QLineF</a></span><span class="operator">,</span> <span class="number">36</span><span class="operator">></span> lines; <span class="keyword">if</span> (lod <span class="operator">></span><span class="operator">=</span> <span class="number">0.5</span>) { <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span><span class="operator">=</span> <span class="number">10</span>; i <span class="operator">+</span><span class="operator">=</span> (lod <span class="operator">></span> <span class="number">0.5</span> <span class="operator">?</span> <span class="number">1</span> : <span class="number">2</span>)) { lines<span class="operator">.</span>append(<span class="type"><a href="qlinef.html">QLineF</a></span>(<span class="number">18</span> <span class="operator">+</span> <span class="number">7</span> <span class="operator">*</span> i<span class="operator">,</span> <span class="number">13</span><span class="operator">,</span> <span class="number">18</span> <span class="operator">+</span> <span class="number">7</span> <span class="operator">*</span> i<span class="operator">,</span> <span class="number">5</span>)); lines<span class="operator">.</span>append(<span class="type"><a href="qlinef.html">QLineF</a></span>(<span class="number">18</span> <span class="operator">+</span> <span class="number">7</span> <span class="operator">*</span> i<span class="operator">,</span> <span class="number">54</span><span class="operator">,</span> <span class="number">18</span> <span class="operator">+</span> <span class="number">7</span> <span class="operator">*</span> i<span class="operator">,</span> <span class="number">62</span>)); } <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span><span class="operator">=</span> <span class="number">6</span>; i <span class="operator">+</span><span class="operator">=</span> (lod <span class="operator">></span> <span class="number">0.5</span> <span class="operator">?</span> <span class="number">1</span> : <span class="number">2</span>)) { lines<span class="operator">.</span>append(<span class="type"><a href="qlinef.html">QLineF</a></span>(<span class="number">5</span><span class="operator">,</span> <span class="number">18</span> <span class="operator">+</span> i <span class="operator">*</span> <span class="number">5</span><span class="operator">,</span> <span class="number">13</span><span class="operator">,</span> <span class="number">18</span> <span class="operator">+</span> i <span class="operator">*</span> <span class="number">5</span>)); lines<span class="operator">.</span>append(<span class="type"><a href="qlinef.html">QLineF</a></span>(<span class="number">94</span><span class="operator">,</span> <span class="number">18</span> <span class="operator">+</span> i <span class="operator">*</span> <span class="number">5</span><span class="operator">,</span> <span class="number">102</span><span class="operator">,</span> <span class="number">18</span> <span class="operator">+</span> i <span class="operator">*</span> <span class="number">5</span>)); } } <span class="keyword">if</span> (lod <span class="operator">></span><span class="operator">=</span> <span class="number">0.4</span>) { <span class="keyword">const</span> <span class="type"><a href="qlinef.html">QLineF</a></span> lineData<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> { <span class="type"><a href="qlinef.html">QLineF</a></span>(<span class="number">25</span><span class="operator">,</span> <span class="number">35</span><span class="operator">,</span> <span class="number">35</span><span class="operator">,</span> <span class="number">35</span>)<span class="operator">,</span> <span class="type"><a href="qlinef.html">QLineF</a></span>(<span class="number">35</span><span class="operator">,</span> <span class="number">30</span><span class="operator">,</span> <span class="number">35</span><span class="operator">,</span> <span class="number">40</span>)<span class="operator">,</span> <span class="type"><a href="qlinef.html">QLineF</a></span>(<span class="number">35</span><span class="operator">,</span> <span class="number">30</span><span class="operator">,</span> <span class="number">45</span><span class="operator">,</span> <span class="number">35</span>)<span class="operator">,</span> <span class="type"><a href="qlinef.html">QLineF</a></span>(<span class="number">35</span><span class="operator">,</span> <span class="number">40</span><span class="operator">,</span> <span class="number">45</span><span class="operator">,</span> <span class="number">35</span>)<span class="operator">,</span> <span class="type"><a href="qlinef.html">QLineF</a></span>(<span class="number">45</span><span class="operator">,</span> <span class="number">30</span><span class="operator">,</span> <span class="number">45</span><span class="operator">,</span> <span class="number">40</span>)<span class="operator">,</span> <span class="type"><a href="qlinef.html">QLineF</a></span>(<span class="number">45</span><span class="operator">,</span> <span class="number">35</span><span class="operator">,</span> <span class="number">55</span><span class="operator">,</span> <span class="number">35</span>) }; lines<span class="operator">.</span>append(lineData<span class="operator">,</span> <span class="number">6</span>); } painter<span class="operator">-</span><span class="operator">></span>drawLines(lines<span class="operator">.</span>data()<span class="operator">,</span> lines<span class="operator">.</span>size()); <span class="comment">// Draw red ink</span> <span class="keyword">if</span> (stuff<span class="operator">.</span>size() <span class="operator">></span> <span class="number">1</span>) { <span class="type"><a href="qpen.html">QPen</a></span> p <span class="operator">=</span> painter<span class="operator">-</span><span class="operator">></span>pen(); painter<span class="operator">-</span><span class="operator">></span>setPen(<span class="type"><a href="qpen.html">QPen</a></span>(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>red<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>SolidLine<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>RoundCap<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>RoundJoin)); painter<span class="operator">-</span><span class="operator">></span>setBrush(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>NoBrush); <span class="type"><a href="qpainterpath.html">QPainterPath</a></span> path; path<span class="operator">.</span>moveTo(stuff<span class="operator">.</span>first()); <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">1</span>; i <span class="operator"><</span> stuff<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i) path<span class="operator">.</span>lineTo(stuff<span class="operator">.</span>at(i)); painter<span class="operator">-</span><span class="operator">></span>drawPath(path); painter<span class="operator">-</span><span class="operator">></span>setPen(p); } } <span class="type">void</span> Chip<span class="operator">::</span>mousePressEvent(<span class="type"><a href="qgraphicsscenemouseevent.html">QGraphicsSceneMouseEvent</a></span> <span class="operator">*</span>event) { <span class="type"><a href="qgraphicsitem.html">QGraphicsItem</a></span><span class="operator">::</span>mousePressEvent(event); update(); } <span class="type">void</span> Chip<span class="operator">::</span>mouseMoveEvent(<span class="type"><a href="qgraphicsscenemouseevent.html">QGraphicsSceneMouseEvent</a></span> <span class="operator">*</span>event) { <span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>modifiers() <span class="operator">&</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>ShiftModifier) { stuff <span class="operator"><</span><span class="operator"><</span> event<span class="operator">-</span><span class="operator">></span>pos(); update(); <span class="keyword">return</span>; } <span class="type"><a href="qgraphicsitem.html">QGraphicsItem</a></span><span class="operator">::</span>mouseMoveEvent(event); } <span class="type">void</span> Chip<span class="operator">::</span>mouseReleaseEvent(<span class="type"><a href="qgraphicsscenemouseevent.html">QGraphicsSceneMouseEvent</a></span> <span class="operator">*</span>event) { <span class="type"><a href="qgraphicsitem.html">QGraphicsItem</a></span><span class="operator">::</span>mouseReleaseEvent(event); update(); }</pre> </div> <!-- @@@demos/chip/chip.cpp --> </div> </div> </div> <div class="ft"> <span></span> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2015 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.</p> <br /> <p> 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.</p> <p> Documentation sources may be obtained from <a href="http://www.qt-project.org"> www.qt-project.org</a>.</p> <br /> <p> 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. <a title="Privacy Policy" href="http://en.gitorious.org/privacy_policy/">Privacy Policy</a></p> </div> <script src="scripts/functions.js" type="text/javascript"></script> </body> </html>