<?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: fluidlauncher.cpp Example File (demos/embedded/fluidlauncher/fluidlauncher.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">fluidlauncher.cpp Example File</h1> <span class="small-subtitle">demos/embedded/fluidlauncher/fluidlauncher.cpp</span> <!-- $$$demos/embedded/fluidlauncher/fluidlauncher.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 <QXmlStreamReader></span> <span class="preprocessor">#include "fluidlauncher.h"</span> <span class="preprocessor">#define DEFAULT_INPUT_TIMEOUT 10000</span> <span class="preprocessor">#define SIZING_FACTOR_HEIGHT 6/10</span> <span class="preprocessor">#define SIZING_FACTOR_WIDTH 6/10</span> FluidLauncher<span class="operator">::</span>FluidLauncher(<span class="type"><a href="qstringlist.html">QStringList</a></span><span class="operator">*</span> args) { pictureFlowWidget <span class="operator">=</span> <span class="keyword">new</span> PictureFlow(); slideShowWidget <span class="operator">=</span> <span class="keyword">new</span> SlideShow(); inputTimer <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtimer.html">QTimer</a></span>(); addWidget(pictureFlowWidget); addWidget(slideShowWidget); setCurrentWidget(pictureFlowWidget); pictureFlowWidget<span class="operator">-</span><span class="operator">></span>setFocus(); <span class="type"><a href="qrect.html">QRect</a></span> screen_size <span class="operator">=</span> <span class="type"><a href="qapplication.html">QApplication</a></span><span class="operator">::</span>desktop()<span class="operator">-</span><span class="operator">></span>screenGeometry(); <span class="type"><a href="qobject.html">QObject</a></span><span class="operator">::</span>connect(pictureFlowWidget<span class="operator">,</span> SIGNAL(itemActivated(<span class="type">int</span>))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(launchApplication(<span class="type">int</span>))); <span class="type"><a href="qobject.html">QObject</a></span><span class="operator">::</span>connect(pictureFlowWidget<span class="operator">,</span> SIGNAL(inputReceived())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(resetInputTimeout())); <span class="type"><a href="qobject.html">QObject</a></span><span class="operator">::</span>connect(slideShowWidget<span class="operator">,</span> SIGNAL(inputReceived())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(switchToLauncher())); <span class="type"><a href="qobject.html">QObject</a></span><span class="operator">::</span>connect(inputTimer<span class="operator">,</span> SIGNAL(timeout())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(inputTimedout())); inputTimer<span class="operator">-</span><span class="operator">></span>setSingleShot(<span class="keyword">true</span>); inputTimer<span class="operator">-</span><span class="operator">></span>setInterval(DEFAULT_INPUT_TIMEOUT); <span class="keyword">const</span> <span class="type">int</span> h <span class="operator">=</span> screen_size<span class="operator">.</span>height() <span class="operator">*</span> SIZING_FACTOR_HEIGHT; <span class="keyword">const</span> <span class="type">int</span> w <span class="operator">=</span> screen_size<span class="operator">.</span>width() <span class="operator">*</span> SIZING_FACTOR_WIDTH; <span class="keyword">const</span> <span class="type">int</span> hh <span class="operator">=</span> <a href="qtglobal.html#qMin">qMin</a>(h<span class="operator">,</span> w); <span class="keyword">const</span> <span class="type">int</span> ww <span class="operator">=</span> hh <span class="operator">/</span> <span class="number">3</span> <span class="operator">*</span> <span class="number">2</span>; pictureFlowWidget<span class="operator">-</span><span class="operator">></span>setSlideSize(<span class="type"><a href="qsize.html">QSize</a></span>(ww<span class="operator">,</span> hh)); <span class="type">bool</span> success; <span class="type">int</span> configIndex <span class="operator">=</span> args<span class="operator">-</span><span class="operator">></span>indexOf(<span class="string">"-config"</span>); <span class="keyword">if</span> ( (configIndex <span class="operator">!</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>) <span class="operator">&</span><span class="operator">&</span> (configIndex <span class="operator">!</span><span class="operator">=</span> args<span class="operator">-</span><span class="operator">></span>count()<span class="operator">-</span><span class="number">1</span>) ) success <span class="operator">=</span> loadConfig(args<span class="operator">-</span><span class="operator">></span>at(configIndex<span class="operator">+</span><span class="number">1</span>)); <span class="keyword">else</span> success <span class="operator">=</span> loadConfig(<span class="string">"config.xml"</span>); <span class="keyword">if</span> (success) { populatePictureFlow(); showFullScreen(); inputTimer<span class="operator">-</span><span class="operator">></span>start(); } <span class="keyword">else</span> { pictureFlowWidget<span class="operator">-</span><span class="operator">></span>setAttribute(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>WA_DeleteOnClose<span class="operator">,</span> <span class="keyword">true</span>); pictureFlowWidget<span class="operator">-</span><span class="operator">></span>close(); } } FluidLauncher<span class="operator">::</span><span class="operator">~</span>FluidLauncher() { <span class="keyword">delete</span> pictureFlowWidget; <span class="keyword">delete</span> slideShowWidget; } <span class="type">bool</span> FluidLauncher<span class="operator">::</span>loadConfig(<span class="type"><a href="qstring.html">QString</a></span> configPath) { <span class="type"><a href="qfile.html">QFile</a></span> xmlFile(configPath); <span class="keyword">if</span> (<span class="operator">!</span>xmlFile<span class="operator">.</span>exists() <span class="operator">|</span><span class="operator">|</span> (xmlFile<span class="operator">.</span>error() <span class="operator">!</span><span class="operator">=</span> <span class="type"><a href="qfile.html">QFile</a></span><span class="operator">::</span>NoError)) { <a href="qtglobal.html#qDebug">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> <span class="string">"ERROR: Unable to open config file "</span> <span class="operator"><</span><span class="operator"><</span> configPath; <span class="keyword">return</span> <span class="keyword">false</span>; } slideShowWidget<span class="operator">-</span><span class="operator">></span>clearImages(); xmlFile<span class="operator">.</span>open(<span class="type"><a href="qiodevice.html">QIODevice</a></span><span class="operator">::</span>ReadOnly); <span class="type"><a href="qxmlstreamreader.html">QXmlStreamReader</a></span> reader(<span class="operator">&</span>xmlFile); <span class="keyword">while</span> (<span class="operator">!</span>reader<span class="operator">.</span>atEnd()) { reader<span class="operator">.</span>readNext(); <span class="keyword">if</span> (reader<span class="operator">.</span>isStartElement()) { <span class="keyword">if</span> (reader<span class="operator">.</span>name() <span class="operator">=</span><span class="operator">=</span> <span class="string">"demos"</span>) parseDemos(reader); <span class="keyword">else</span> <span class="keyword">if</span>(reader<span class="operator">.</span>name() <span class="operator">=</span><span class="operator">=</span> <span class="string">"slideshow"</span>) parseSlideshow(reader); } } <span class="keyword">if</span> (reader<span class="operator">.</span>hasError()) { <a href="qtglobal.html#qDebug">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> <span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"Error parsing %1 on line %2 column %3: \n%4"</span>) <span class="operator">.</span>arg(configPath) <span class="operator">.</span>arg(reader<span class="operator">.</span>lineNumber()) <span class="operator">.</span>arg(reader<span class="operator">.</span>columnNumber()) <span class="operator">.</span>arg(reader<span class="operator">.</span>errorString()); } <span class="comment">// Append an exit Item</span> DemoApplication<span class="operator">*</span> exitItem <span class="operator">=</span> <span class="keyword">new</span> DemoApplication(<span class="type"><a href="qstring.html">QString</a></span>()<span class="operator">,</span> QLatin1String(<span class="string">"Exit Embedded Demo"</span>)<span class="operator">,</span> <span class="type"><a href="qstring.html">QString</a></span>()<span class="operator">,</span> <span class="type"><a href="qstringlist.html">QStringList</a></span>()); demoList<span class="operator">.</span>append(exitItem); <span class="keyword">return</span> <span class="keyword">true</span>; } <span class="type">void</span> FluidLauncher<span class="operator">::</span>parseDemos(<span class="type"><a href="qxmlstreamreader.html">QXmlStreamReader</a></span><span class="operator">&</span> reader) { <span class="keyword">while</span> (<span class="operator">!</span>reader<span class="operator">.</span>atEnd()) { reader<span class="operator">.</span>readNext(); <span class="keyword">if</span> (reader<span class="operator">.</span>isStartElement() <span class="operator">&</span><span class="operator">&</span> reader<span class="operator">.</span>name() <span class="operator">=</span><span class="operator">=</span> <span class="string">"example"</span>) { <span class="type"><a href="qxmlstreamattributes.html">QXmlStreamAttributes</a></span> attrs <span class="operator">=</span> reader<span class="operator">.</span>attributes(); <span class="type"><a href="qstringref.html">QStringRef</a></span> filename <span class="operator">=</span> attrs<span class="operator">.</span>value(<span class="string">"filename"</span>); <span class="keyword">if</span> (<span class="operator">!</span>filename<span class="operator">.</span>isEmpty()) { <span class="type"><a href="qstringref.html">QStringRef</a></span> name <span class="operator">=</span> attrs<span class="operator">.</span>value(<span class="string">"name"</span>); <span class="type"><a href="qstringref.html">QStringRef</a></span> image <span class="operator">=</span> attrs<span class="operator">.</span>value(<span class="string">"image"</span>); <span class="type"><a href="qstringref.html">QStringRef</a></span> args <span class="operator">=</span> attrs<span class="operator">.</span>value(<span class="string">"args"</span>); DemoApplication<span class="operator">*</span> newDemo <span class="operator">=</span> <span class="keyword">new</span> DemoApplication( filename<span class="operator">.</span>toString()<span class="operator">,</span> name<span class="operator">.</span>isEmpty() <span class="operator">?</span> <span class="string">"Unnamed Demo"</span> : name<span class="operator">.</span>toString()<span class="operator">,</span> image<span class="operator">.</span>toString()<span class="operator">,</span> args<span class="operator">.</span>toString()<span class="operator">.</span>split(<span class="string">" "</span>)); demoList<span class="operator">.</span>append(newDemo); } } <span class="keyword">else</span> <span class="keyword">if</span>(reader<span class="operator">.</span>isEndElement() <span class="operator">&</span><span class="operator">&</span> reader<span class="operator">.</span>name() <span class="operator">=</span><span class="operator">=</span> <span class="string">"demos"</span>) { <span class="keyword">return</span>; } } } <span class="type">void</span> FluidLauncher<span class="operator">::</span>parseSlideshow(<span class="type"><a href="qxmlstreamreader.html">QXmlStreamReader</a></span><span class="operator">&</span> reader) { <span class="type"><a href="qxmlstreamattributes.html">QXmlStreamAttributes</a></span> attrs <span class="operator">=</span> reader<span class="operator">.</span>attributes(); <span class="type"><a href="qstringref.html">QStringRef</a></span> timeout <span class="operator">=</span> attrs<span class="operator">.</span>value(<span class="string">"timeout"</span>); <span class="type">bool</span> valid; <span class="keyword">if</span> (<span class="operator">!</span>timeout<span class="operator">.</span>isEmpty()) { <span class="type">int</span> t <span class="operator">=</span> timeout<span class="operator">.</span>toString()<span class="operator">.</span>toInt(<span class="operator">&</span>valid); <span class="keyword">if</span> (valid) inputTimer<span class="operator">-</span><span class="operator">></span>setInterval(t); } <span class="type"><a href="qstringref.html">QStringRef</a></span> interval <span class="operator">=</span> attrs<span class="operator">.</span>value(<span class="string">"interval"</span>); <span class="keyword">if</span> (<span class="operator">!</span>interval<span class="operator">.</span>isEmpty()) { <span class="type">int</span> i <span class="operator">=</span> interval<span class="operator">.</span>toString()<span class="operator">.</span>toInt(<span class="operator">&</span>valid); <span class="keyword">if</span> (valid) slideShowWidget<span class="operator">-</span><span class="operator">></span>setSlideInterval(i); } <span class="keyword">while</span> (<span class="operator">!</span>reader<span class="operator">.</span>atEnd()) { reader<span class="operator">.</span>readNext(); <span class="keyword">if</span> (reader<span class="operator">.</span>isStartElement()) { <span class="type"><a href="qxmlstreamattributes.html">QXmlStreamAttributes</a></span> attrs <span class="operator">=</span> reader<span class="operator">.</span>attributes(); <span class="keyword">if</span> (reader<span class="operator">.</span>name() <span class="operator">=</span><span class="operator">=</span> <span class="string">"imagedir"</span>) { <span class="type"><a href="qstringref.html">QStringRef</a></span> dir <span class="operator">=</span> attrs<span class="operator">.</span>value(<span class="string">"dir"</span>); slideShowWidget<span class="operator">-</span><span class="operator">></span>addImageDir(dir<span class="operator">.</span>toString()); } <span class="keyword">else</span> <span class="keyword">if</span>(reader<span class="operator">.</span>name() <span class="operator">=</span><span class="operator">=</span> <span class="string">"image"</span>) { <span class="type"><a href="qstringref.html">QStringRef</a></span> image <span class="operator">=</span> attrs<span class="operator">.</span>value(<span class="string">"image"</span>); slideShowWidget<span class="operator">-</span><span class="operator">></span>addImage(image<span class="operator">.</span>toString()); } } <span class="keyword">else</span> <span class="keyword">if</span>(reader<span class="operator">.</span>isEndElement() <span class="operator">&</span><span class="operator">&</span> reader<span class="operator">.</span>name() <span class="operator">=</span><span class="operator">=</span> <span class="string">"slideshow"</span>) { <span class="keyword">return</span>; } } } <span class="type">void</span> FluidLauncher<span class="operator">::</span>populatePictureFlow() { pictureFlowWidget<span class="operator">-</span><span class="operator">></span>setSlideCount(demoList<span class="operator">.</span>count()); <span class="keyword">for</span> (<span class="type">int</span> i<span class="operator">=</span>demoList<span class="operator">.</span>count()<span class="operator">-</span><span class="number">1</span>; i<span class="operator">></span><span class="operator">=</span><span class="number">0</span>; <span class="operator">-</span><span class="operator">-</span>i) { pictureFlowWidget<span class="operator">-</span><span class="operator">></span>setSlide(i<span class="operator">,</span> <span class="operator">*</span>(demoList<span class="operator">[</span>i<span class="operator">]</span><span class="operator">-</span><span class="operator">></span>getImage())); pictureFlowWidget<span class="operator">-</span><span class="operator">></span>setSlideCaption(i<span class="operator">,</span> demoList<span class="operator">[</span>i<span class="operator">]</span><span class="operator">-</span><span class="operator">></span>getCaption()); } pictureFlowWidget<span class="operator">-</span><span class="operator">></span>setCurrentSlide(demoList<span class="operator">.</span>count()<span class="operator">/</span><span class="number">2</span>); } <span class="type">void</span> FluidLauncher<span class="operator">::</span>launchApplication(<span class="type">int</span> index) { <span class="comment">// NOTE: Clearing the caches will free up more memory for the demo but will cause</span> <span class="comment">// a delay upon returning, as items are reloaded.</span> <span class="comment">//pictureFlowWidget->clearCaches();</span> <span class="keyword">if</span> (index <span class="operator">=</span><span class="operator">=</span> demoList<span class="operator">.</span>size() <span class="operator">-</span><span class="number">1</span>) { qApp<span class="operator">-</span><span class="operator">></span>quit(); <span class="keyword">return</span>; } inputTimer<span class="operator">-</span><span class="operator">></span>stop(); <span class="type"><a href="qobject.html">QObject</a></span><span class="operator">::</span>connect(demoList<span class="operator">[</span>index<span class="operator">]</span><span class="operator">,</span> SIGNAL(demoFinished())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(demoFinished())); demoList<span class="operator">[</span>index<span class="operator">]</span><span class="operator">-</span><span class="operator">></span>launch(); } <span class="type">void</span> FluidLauncher<span class="operator">::</span>switchToLauncher() { slideShowWidget<span class="operator">-</span><span class="operator">></span>stopShow(); inputTimer<span class="operator">-</span><span class="operator">></span>start(); setCurrentWidget(pictureFlowWidget); } <span class="type">void</span> FluidLauncher<span class="operator">::</span>resetInputTimeout() { <span class="keyword">if</span> (inputTimer<span class="operator">-</span><span class="operator">></span>isActive()) inputTimer<span class="operator">-</span><span class="operator">></span>start(); } <span class="type">void</span> FluidLauncher<span class="operator">::</span>inputTimedout() { switchToSlideshow(); } <span class="type">void</span> FluidLauncher<span class="operator">::</span>switchToSlideshow() { inputTimer<span class="operator">-</span><span class="operator">></span>stop(); slideShowWidget<span class="operator">-</span><span class="operator">></span>startShow(); setCurrentWidget(slideShowWidget); } <span class="type">void</span> FluidLauncher<span class="operator">::</span>demoFinished() { setCurrentWidget(pictureFlowWidget); inputTimer<span class="operator">-</span><span class="operator">></span>start(); <span class="comment">// Bring the Fluidlauncher to the foreground to allow selecting another demo</span> raise(); activateWindow(); } <span class="type">void</span> FluidLauncher<span class="operator">::</span>changeEvent(<span class="type"><a href="qevent.html">QEvent</a></span><span class="operator">*</span> event) { <span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>type() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qevent.html">QEvent</a></span><span class="operator">::</span>ActivationChange) { <span class="keyword">if</span> (isActiveWindow()) { <span class="keyword">if</span>(currentWidget() <span class="operator">=</span><span class="operator">=</span> pictureFlowWidget) { resetInputTimeout(); } <span class="keyword">else</span> { slideShowWidget<span class="operator">-</span><span class="operator">></span>startShow(); } } <span class="keyword">else</span> { inputTimer<span class="operator">-</span><span class="operator">></span>stop(); slideShowWidget<span class="operator">-</span><span class="operator">></span>stopShow(); } } <span class="type"><a href="qstackedwidget.html">QStackedWidget</a></span><span class="operator">::</span>changeEvent(event); }</pre> </div> <!-- @@@demos/embedded/fluidlauncher/fluidlauncher.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>