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<h1 class="title">qmlapplicationviewer.cpp Example File</h1>
<span class="subtitle">multimedia/video/qmlvideofx/qmlapplicationviewer/qmlapplicationviewer.cpp</span>
<!-- $$$multimedia/video/qmlvideofx/qmlapplicationviewer/qmlapplicationviewer.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 Qt Mobility Components.
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** $QT_BEGIN_LICENSE:BSD$
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<span class="preprocessor">#include "qmlapplicationviewer.h"</span>
<span class="preprocessor">#include <QtCore/QDir></span>
<span class="preprocessor">#include <QtCore/QFileInfo></span>
<span class="preprocessor">#include <QtQml/QQmlComponent></span>
<span class="preprocessor">#include <QtQml/QQmlEngine></span>
<span class="preprocessor">#include <QtQml/QQmlContext></span>
<span class="preprocessor">#include <QtGui/QGuiApplication></span>
<span class="keyword">class</span> QmlApplicationViewerPrivate
{
QmlApplicationViewerPrivate(<span class="type">QQuickView</span> <span class="operator">*</span>view_) : view(view_) {}
<span class="type">QString</span> mainQmlFile;
<span class="type">QQuickView</span> <span class="operator">*</span>view;
<span class="keyword">friend</span> <span class="keyword">class</span> QmlApplicationViewer;
<span class="type">QString</span> adjustPath(<span class="keyword">const</span> <span class="type">QString</span> <span class="operator">&</span>path);
};
<span class="type">QString</span> QmlApplicationViewerPrivate<span class="operator">::</span>adjustPath(<span class="keyword">const</span> <span class="type">QString</span> <span class="operator">&</span>path)
{
<span class="preprocessor">#ifdef Q_OS_UNIX</span>
<span class="preprocessor">#ifdef Q_OS_MAC</span>
<span class="keyword">if</span> (<span class="operator">!</span><span class="type">QDir</span><span class="operator">::</span>isAbsolutePath(path))
<span class="keyword">return</span> <span class="type">QCoreApplication</span><span class="operator">::</span>applicationDirPath()
<span class="operator">+</span> QLatin1String(<span class="string">"/../Resources/"</span>) <span class="operator">+</span> path;
<span class="preprocessor">#else</span>
<span class="type">QString</span> pathInInstallDir;
<span class="keyword">const</span> <span class="type">QString</span> applicationDirPath <span class="operator">=</span> <span class="type">QCoreApplication</span><span class="operator">::</span>applicationDirPath();
pathInInstallDir <span class="operator">=</span> <span class="type">QString</span><span class="operator">::</span>fromLatin1(<span class="string">"%1/../%2"</span>)<span class="operator">.</span>arg(applicationDirPath<span class="operator">,</span> path);
<span class="keyword">if</span> (<span class="type">QFileInfo</span>(pathInInstallDir)<span class="operator">.</span>exists())
<span class="keyword">return</span> pathInInstallDir;
<span class="preprocessor">#endif</span>
<span class="preprocessor">#endif</span>
<span class="keyword">return</span> path;
}
QmlApplicationViewer<span class="operator">::</span>QmlApplicationViewer(<span class="type">QWindow</span> <span class="operator">*</span>parent)
: <span class="type">QQuickView</span>(parent)
<span class="operator">,</span> d(<span class="keyword">new</span> QmlApplicationViewerPrivate(<span class="keyword">this</span>))
{
connect(engine()<span class="operator">,</span> SIGNAL(quit())<span class="operator">,</span> <span class="type">QCoreApplication</span><span class="operator">::</span>instance()<span class="operator">,</span> SLOT(quit()));
setResizeMode(<span class="type">QQuickView</span><span class="operator">::</span>SizeRootObjectToView);
}
QmlApplicationViewer<span class="operator">::</span>QmlApplicationViewer(<span class="type">QQuickView</span> <span class="operator">*</span>view<span class="operator">,</span> <span class="type">QWindow</span> <span class="operator">*</span>parent)
: <span class="type">QQuickView</span>(parent)
<span class="operator">,</span> d(<span class="keyword">new</span> QmlApplicationViewerPrivate(view))
{
connect(view<span class="operator">-</span><span class="operator">></span>engine()<span class="operator">,</span> SIGNAL(quit())<span class="operator">,</span> <span class="type">QCoreApplication</span><span class="operator">::</span>instance()<span class="operator">,</span> SLOT(quit()));
view<span class="operator">-</span><span class="operator">></span>setResizeMode(<span class="type">QQuickView</span><span class="operator">::</span>SizeRootObjectToView);
}
QmlApplicationViewer<span class="operator">::</span><span class="operator">~</span>QmlApplicationViewer()
{
<span class="keyword">delete</span> d;
}
QmlApplicationViewer <span class="operator">*</span>QmlApplicationViewer<span class="operator">::</span>create()
{
<span class="keyword">return</span> <span class="keyword">new</span> QmlApplicationViewer();
}
<span class="type">void</span> QmlApplicationViewer<span class="operator">::</span>setMainQmlFile(<span class="keyword">const</span> <span class="type">QString</span> <span class="operator">&</span>file)
{
d<span class="operator">-</span><span class="operator">></span>mainQmlFile <span class="operator">=</span> d<span class="operator">-</span><span class="operator">></span>adjustPath(file);
d<span class="operator">-</span><span class="operator">></span>view<span class="operator">-</span><span class="operator">></span>setSource(<span class="type">QUrl</span><span class="operator">::</span>fromLocalFile(d<span class="operator">-</span><span class="operator">></span>mainQmlFile));
}
<span class="type">void</span> QmlApplicationViewer<span class="operator">::</span>addImportPath(<span class="keyword">const</span> <span class="type">QString</span> <span class="operator">&</span>path)
{
d<span class="operator">-</span><span class="operator">></span>view<span class="operator">-</span><span class="operator">></span>engine()<span class="operator">-</span><span class="operator">></span>addImportPath(d<span class="operator">-</span><span class="operator">></span>adjustPath(path));
}
<span class="type">void</span> QmlApplicationViewer<span class="operator">::</span>showExpanded()
{
<span class="preprocessor">#if defined(Q_WS_SIMULATOR)</span>
d<span class="operator">-</span><span class="operator">></span>view<span class="operator">-</span><span class="operator">></span>showFullScreen();
<span class="preprocessor">#else</span>
d<span class="operator">-</span><span class="operator">></span>view<span class="operator">-</span><span class="operator">></span>show();
<span class="preprocessor">#endif</span>
}
<span class="type">QGuiApplication</span> <span class="operator">*</span>createApplication(<span class="type">int</span> <span class="operator">&</span>argc<span class="operator">,</span> <span class="type">char</span> <span class="operator">*</span><span class="operator">*</span>argv)
{
<span class="keyword">return</span> <span class="keyword">new</span> <span class="type">QGuiApplication</span>(argc<span class="operator">,</span> argv);
}
</pre>
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