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<h1 class="title">BrowserWindow.cpp Example File</h1>
<span class="small-subtitle">demos/embedded/anomaly/src/BrowserWindow.cpp</span>
<!-- $$$demos/embedded/anomaly/src/BrowserWindow.cpp-description -->
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<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 demos 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
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****************************************************************************/</span>
<span class="preprocessor">#include &quot;BrowserWindow.h&quot;</span>
<span class="preprocessor">#include &lt;QtCore&gt;</span>
<span class="preprocessor">#include &lt;QtGui&gt;</span>
<span class="preprocessor">#include &lt;QPropertyAnimation&gt;</span>
<span class="preprocessor">#include &lt;QResizeEvent&gt;</span>
<span class="preprocessor">#include &quot;BrowserView.h&quot;</span>
<span class="preprocessor">#include &quot;HomeView.h&quot;</span>
BrowserWindow<span class="operator">::</span>BrowserWindow()
: m_slidingSurface(<span class="keyword">new</span> <span class="type"><a href="qwidget.html">QWidget</a></span>(<span class="keyword">this</span>))
<span class="operator">,</span> m_homeView(<span class="keyword">new</span> HomeView(m_slidingSurface))
<span class="operator">,</span> m_browserView(<span class="keyword">new</span> BrowserView(m_slidingSurface))
<span class="operator">,</span> m_animation(<span class="keyword">new</span> <span class="type"><a href="qpropertyanimation.html">QPropertyAnimation</a></span>(<span class="keyword">this</span><span class="operator">,</span> <span class="string">&quot;slideValue&quot;</span>))
{
m_slidingSurface<span class="operator">-</span><span class="operator">&gt;</span>setAutoFillBackground(<span class="keyword">true</span>);
m_homeView<span class="operator">-</span><span class="operator">&gt;</span>resize(size());
m_browserView<span class="operator">-</span><span class="operator">&gt;</span>resize(size());
connect(m_homeView<span class="operator">,</span> SIGNAL(addressEntered(<span class="type"><a href="qstring.html">QString</a></span>))<span class="operator">,</span> SLOT(gotoAddress(<span class="type"><a href="qstring.html">QString</a></span>)));
connect(m_homeView<span class="operator">,</span> SIGNAL(urlActivated(<span class="type"><a href="qurl.html">QUrl</a></span>))<span class="operator">,</span> SLOT(navigate(<span class="type"><a href="qurl.html">QUrl</a></span>)));
connect(m_browserView<span class="operator">,</span> SIGNAL(menuButtonClicked())<span class="operator">,</span> SLOT(showHomeView()));
m_animation<span class="operator">-</span><span class="operator">&gt;</span>setDuration(<span class="number">200</span>);
connect(m_animation<span class="operator">,</span> SIGNAL(finished())<span class="operator">,</span> SLOT(animationFinished()));
setSlideValue(<span class="number">0.0f</span>);
}
<span class="type">void</span> BrowserWindow<span class="operator">::</span>gotoAddress(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>address)
{
m_browserView<span class="operator">-</span><span class="operator">&gt;</span>navigate(<span class="type"><a href="qurl.html">QUrl</a></span><span class="operator">::</span>fromUserInput(address));
showBrowserView();
}
<span class="type">void</span> BrowserWindow<span class="operator">::</span>animationFinished()
{
m_animation<span class="operator">-</span><span class="operator">&gt;</span>setDirection(<span class="type"><a href="qabstractanimation.html">QAbstractAnimation</a></span><span class="operator">::</span>Forward);
}
<span class="type">void</span> BrowserWindow<span class="operator">::</span>navigate(<span class="keyword">const</span> <span class="type"><a href="qurl.html">QUrl</a></span> <span class="operator">&amp;</span>url)
{
m_browserView<span class="operator">-</span><span class="operator">&gt;</span>navigate(url);
showBrowserView();
}
<span class="type">void</span> BrowserWindow<span class="operator">::</span>setSlideValue(<span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> slideRatio)
{
<span class="comment">// we use a ratio to handle resize corectly</span>
<span class="keyword">const</span> <span class="type">int</span> pos <span class="operator">=</span> <span class="operator">-</span><a href="qtglobal.html#qRound">qRound</a>(slideRatio <span class="operator">*</span> width());
m_slidingSurface<span class="operator">-</span><span class="operator">&gt;</span>scroll(pos <span class="operator">-</span> m_homeView<span class="operator">-</span><span class="operator">&gt;</span>x()<span class="operator">,</span> <span class="number">0</span>);
<span class="keyword">if</span> (<a href="qvector3d.html#qFuzzyCompare">qFuzzyCompare</a>(slideRatio<span class="operator">,</span> <span class="keyword">static_cast</span><span class="operator">&lt;</span><span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span><span class="operator">&gt;</span>(<span class="number">1.0f</span>))) {
m_browserView<span class="operator">-</span><span class="operator">&gt;</span>show();
m_homeView<span class="operator">-</span><span class="operator">&gt;</span>hide();
} <span class="keyword">else</span> <span class="keyword">if</span> (<a href="qvector3d.html#qFuzzyCompare">qFuzzyCompare</a>(slideRatio<span class="operator">,</span> <span class="keyword">static_cast</span><span class="operator">&lt;</span><span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span><span class="operator">&gt;</span>(<span class="number">0.0f</span>))) {
m_homeView<span class="operator">-</span><span class="operator">&gt;</span>show();
m_browserView<span class="operator">-</span><span class="operator">&gt;</span>hide();
} <span class="keyword">else</span> {
m_browserView<span class="operator">-</span><span class="operator">&gt;</span>show();
m_homeView<span class="operator">-</span><span class="operator">&gt;</span>show();
}
}
<span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> BrowserWindow<span class="operator">::</span>slideValue() <span class="keyword">const</span>
{
Q_ASSERT(m_slidingSurface<span class="operator">-</span><span class="operator">&gt;</span>x() <span class="operator">&lt;</span> width());
<span class="keyword">return</span> <span class="keyword">static_cast</span><span class="operator">&lt;</span><span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span><span class="operator">&gt;</span>(<a href="qtglobal.html#qAbs">qAbs</a>(m_homeView<span class="operator">-</span><span class="operator">&gt;</span>x())) <span class="operator">/</span> width();
}
<span class="type">void</span> BrowserWindow<span class="operator">::</span>showHomeView()
{
m_animation<span class="operator">-</span><span class="operator">&gt;</span>setStartValue(slideValue());
m_animation<span class="operator">-</span><span class="operator">&gt;</span>setEndValue(<span class="number">0.0f</span>);
m_animation<span class="operator">-</span><span class="operator">&gt;</span>start();
m_homeView<span class="operator">-</span><span class="operator">&gt;</span>setFocus();
}
<span class="type">void</span> BrowserWindow<span class="operator">::</span>showBrowserView()
{
m_animation<span class="operator">-</span><span class="operator">&gt;</span>setStartValue(slideValue());
m_animation<span class="operator">-</span><span class="operator">&gt;</span>setEndValue(<span class="number">1.0f</span>);
m_animation<span class="operator">-</span><span class="operator">&gt;</span>start();
m_browserView<span class="operator">-</span><span class="operator">&gt;</span>setFocus();
}
<span class="type">void</span> BrowserWindow<span class="operator">::</span>keyReleaseEvent(<span class="type"><a href="qkeyevent.html">QKeyEvent</a></span> <span class="operator">*</span>event)
{
<span class="type"><a href="qwidget.html">QWidget</a></span><span class="operator">::</span>keyReleaseEvent(event);
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">&gt;</span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_F3) {
<span class="keyword">if</span> (m_animation<span class="operator">-</span><span class="operator">&gt;</span>state() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qabstractanimation.html">QAbstractAnimation</a></span><span class="operator">::</span>Running) {
<span class="keyword">const</span> <span class="type"><a href="qabstractanimation.html">QAbstractAnimation</a></span><span class="operator">::</span>Direction direction <span class="operator">=</span> m_animation<span class="operator">-</span><span class="operator">&gt;</span>direction() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qabstractanimation.html">QAbstractAnimation</a></span><span class="operator">::</span>Forward
<span class="operator">?</span> <span class="type"><a href="qabstractanimation.html">QAbstractAnimation</a></span><span class="operator">::</span>Forward
: <span class="type"><a href="qabstractanimation.html">QAbstractAnimation</a></span><span class="operator">::</span>Backward;
m_animation<span class="operator">-</span><span class="operator">&gt;</span>setDirection(direction);
} <span class="keyword">else</span> <span class="keyword">if</span> (<a href="qvector3d.html#qFuzzyCompare">qFuzzyCompare</a>(slideValue()<span class="operator">,</span> <span class="keyword">static_cast</span><span class="operator">&lt;</span><span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span><span class="operator">&gt;</span>(<span class="number">1.0f</span>)))
showHomeView();
<span class="keyword">else</span>
showBrowserView();
event<span class="operator">-</span><span class="operator">&gt;</span>accept();
}
}
<span class="type">void</span> BrowserWindow<span class="operator">::</span>resizeEvent(<span class="type"><a href="qresizeevent.html">QResizeEvent</a></span> <span class="operator">*</span>event)
{
<span class="keyword">const</span> <span class="type"><a href="qsize.html">QSize</a></span> oldSize <span class="operator">=</span> event<span class="operator">-</span><span class="operator">&gt;</span>oldSize();
<span class="keyword">const</span> <span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> oldSlidingRatio <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator">&lt;</span><span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span><span class="operator">&gt;</span>(<a href="qtglobal.html#qAbs">qAbs</a>(m_homeView<span class="operator">-</span><span class="operator">&gt;</span>x())) <span class="operator">/</span> oldSize<span class="operator">.</span>width();
<span class="keyword">const</span> <span class="type"><a href="qsize.html">QSize</a></span> newSize <span class="operator">=</span> event<span class="operator">-</span><span class="operator">&gt;</span>size();
m_slidingSurface<span class="operator">-</span><span class="operator">&gt;</span>resize(newSize<span class="operator">.</span>width() <span class="operator">*</span> <span class="number">2</span><span class="operator">,</span> newSize<span class="operator">.</span>height());
m_homeView<span class="operator">-</span><span class="operator">&gt;</span>resize(newSize);
m_homeView<span class="operator">-</span><span class="operator">&gt;</span>move(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span>);
m_browserView<span class="operator">-</span><span class="operator">&gt;</span>resize(newSize);
m_browserView<span class="operator">-</span><span class="operator">&gt;</span>move(newSize<span class="operator">.</span>width()<span class="operator">,</span> <span class="number">0</span>);
setSlideValue(oldSlidingRatio);
}</pre>
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<!-- @@@demos/embedded/anomaly/src/BrowserWindow.cpp -->
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