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<h1 class="title">helpbrowser.cpp Example File</h1>
<span class="subtitle">contextsensitivehelp/helpbrowser.cpp</span>
<!-- $$$contextsensitivehelp/helpbrowser.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 examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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.
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** contributors may be used to endorse or promote products derived
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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<span class="preprocessor">#include <QtCore/QLibraryInfo></span>
<span class="preprocessor">#include <QtWidgets/QApplication></span>
<span class="preprocessor">#include <QtHelp/QHelpEngineCore></span>
<span class="preprocessor">#include "helpbrowser.h"</span>
HelpBrowser<span class="operator">::</span>HelpBrowser(<span class="type"><a href="../qtwidgets/qwidget.html">QWidget</a></span> <span class="operator">*</span>parent)
: <span class="type"><a href="../qtwidgets/qtextbrowser.html">QTextBrowser</a></span>(parent)
{
<span class="type"><a href="../qtcore/qstring.html">QString</a></span> collectionFile <span class="operator">=</span> <span class="type"><a href="../qtcore/qlibraryinfo.html">QLibraryInfo</a></span><span class="operator">::</span>location(<span class="type"><a href="../qtcore/qlibraryinfo.html">QLibraryInfo</a></span><span class="operator">::</span>ExamplesPath)
<span class="operator">+</span> QLatin1String(<span class="string">"/help/contextsensitivehelp/docs/wateringmachine.qhc"</span>);
m_helpEngine <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qhelpenginecore.html">QHelpEngineCore</a></span>(collectionFile<span class="operator">,</span> <span class="keyword">this</span>);
<span class="keyword">if</span> (<span class="operator">!</span>m_helpEngine<span class="operator">-</span><span class="operator">></span>setupData()) {
<span class="keyword">delete</span> m_helpEngine;
m_helpEngine <span class="operator">=</span> <span class="number">0</span>;
}
}
<span class="type">void</span> HelpBrowser<span class="operator">::</span>showHelpForKeyword(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>id)
{
<span class="keyword">if</span> (m_helpEngine) {
<span class="type"><a href="../qtcore/qmap.html">QMap</a></span><span class="operator"><</span><span class="type"><a href="../qtcore/qstring.html">QString</a></span><span class="operator">,</span> <span class="type"><a href="../qtcore/qurl.html">QUrl</a></span><span class="operator">></span> links <span class="operator">=</span> m_helpEngine<span class="operator">-</span><span class="operator">></span>linksForIdentifier(id);
<span class="keyword">if</span> (links<span class="operator">.</span>count())
setSource(links<span class="operator">.</span>constBegin()<span class="operator">.</span>value());
}
}
<span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span> HelpBrowser<span class="operator">::</span>loadResource(<span class="type">int</span> type<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qurl.html">QUrl</a></span> <span class="operator">&</span>name)
{
<span class="type"><a href="../qtcore/qbytearray.html">QByteArray</a></span> ba;
<span class="keyword">if</span> (type <span class="operator"><</span> <span class="number">4</span> <span class="operator">&</span><span class="operator">&</span> m_helpEngine) {
<span class="type"><a href="../qtcore/qurl.html">QUrl</a></span> url(name);
<span class="keyword">if</span> (name<span class="operator">.</span>isRelative())
url <span class="operator">=</span> source()<span class="operator">.</span>resolved(url);
ba <span class="operator">=</span> m_helpEngine<span class="operator">-</span><span class="operator">></span>fileData(url);
}
<span class="keyword">return</span> ba;
}</pre>
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