<?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: mapzoom.cpp Example File (demos/embedded/lightmaps/mapzoom.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">mapzoom.cpp Example File</h1> <span class="small-subtitle">demos/embedded/lightmaps/mapzoom.cpp</span> <!-- $$$demos/embedded/lightmaps/mapzoom.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** 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 Digia. For licensing terms and ** conditions see http://qt.digia.com/licensing. For further information ** use the contact form at http://qt.digia.com/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 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Digia gives you certain additional ** rights. These rights are described in the Digia Qt 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 <QtGui></span> <span class="preprocessor">#include <QtNetwork></span> <span class="preprocessor">#include "lightmaps.h"</span> <span class="preprocessor">#include "mapzoom.h"</span> MapZoom<span class="operator">::</span>MapZoom() : <span class="type"><a href="qmainwindow.html">QMainWindow</a></span>(<span class="number">0</span>) { map <span class="operator">=</span> <span class="keyword">new</span> LightMaps(<span class="keyword">this</span>); setCentralWidget(map); map<span class="operator">-</span><span class="operator">></span>setFocus(); <span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>osloAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"&Oslo"</span>)<span class="operator">,</span> <span class="keyword">this</span>); <span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>berlinAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"&Berlin"</span>)<span class="operator">,</span> <span class="keyword">this</span>); <span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>jakartaAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"&Jakarta"</span>)<span class="operator">,</span> <span class="keyword">this</span>); <span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>nightModeAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"Night Mode"</span>)<span class="operator">,</span> <span class="keyword">this</span>); nightModeAction<span class="operator">-</span><span class="operator">></span>setCheckable(<span class="keyword">true</span>); nightModeAction<span class="operator">-</span><span class="operator">></span>setChecked(<span class="keyword">false</span>); <span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>osmAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"About OpenStreetMap"</span>)<span class="operator">,</span> <span class="keyword">this</span>); connect(osloAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> SLOT(chooseOslo())); connect(berlinAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> SLOT(chooseBerlin())); connect(jakartaAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> SLOT(chooseJakarta())); connect(nightModeAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> map<span class="operator">,</span> SLOT(toggleNightMode())); connect(osmAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> SLOT(aboutOsm())); <span class="preprocessor">#if defined(Q_OS_SYMBIAN) || defined(Q_OS_WINCE_WM)</span> menuBar()<span class="operator">-</span><span class="operator">></span>addAction(osloAction); menuBar()<span class="operator">-</span><span class="operator">></span>addAction(berlinAction); menuBar()<span class="operator">-</span><span class="operator">></span>addAction(jakartaAction); menuBar()<span class="operator">-</span><span class="operator">></span>addAction(nightModeAction); menuBar()<span class="operator">-</span><span class="operator">></span>addAction(osmAction); <span class="preprocessor">#else</span> <span class="type"><a href="qmenu.html">QMenu</a></span> <span class="operator">*</span>menu <span class="operator">=</span> menuBar()<span class="operator">-</span><span class="operator">></span>addMenu(tr(<span class="string">"&Options"</span>)); menu<span class="operator">-</span><span class="operator">></span>addAction(osloAction); menu<span class="operator">-</span><span class="operator">></span>addAction(berlinAction); menu<span class="operator">-</span><span class="operator">></span>addAction(jakartaAction); menu<span class="operator">-</span><span class="operator">></span>addSeparator(); menu<span class="operator">-</span><span class="operator">></span>addAction(nightModeAction); menu<span class="operator">-</span><span class="operator">></span>addAction(osmAction); <span class="preprocessor">#endif</span> <span class="type"><a href="qnetworkconfigurationmanager.html">QNetworkConfigurationManager</a></span> manager; <span class="keyword">if</span> (manager<span class="operator">.</span>capabilities() <span class="operator">&</span> <span class="type"><a href="qnetworkconfigurationmanager.html">QNetworkConfigurationManager</a></span><span class="operator">::</span>NetworkSessionRequired) { <span class="comment">// Get saved network configuration</span> <span class="type"><a href="qsettings.html">QSettings</a></span> settings(<span class="type"><a href="qsettings.html">QSettings</a></span><span class="operator">::</span>UserScope<span class="operator">,</span> QLatin1String(<span class="string">"Trolltech"</span>)); settings<span class="operator">.</span>beginGroup(QLatin1String(<span class="string">"QtNetwork"</span>)); <span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> id <span class="operator">=</span> settings<span class="operator">.</span>value(QLatin1String(<span class="string">"DefaultNetworkConfiguration"</span>))<span class="operator">.</span>toString(); settings<span class="operator">.</span>endGroup(); <span class="comment">// If the saved network configuration is not currently discovered use the system</span> <span class="comment">// default</span> <span class="type"><a href="qnetworkconfiguration.html">QNetworkConfiguration</a></span> config <span class="operator">=</span> manager<span class="operator">.</span>configurationFromIdentifier(id); <span class="keyword">if</span> ((config<span class="operator">.</span>state() <span class="operator">&</span> <span class="type"><a href="qnetworkconfiguration.html">QNetworkConfiguration</a></span><span class="operator">::</span>Discovered) <span class="operator">!</span><span class="operator">=</span> <span class="type"><a href="qnetworkconfiguration.html">QNetworkConfiguration</a></span><span class="operator">::</span>Discovered) { config <span class="operator">=</span> manager<span class="operator">.</span>defaultConfiguration(); } networkSession <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qnetworksession.html">QNetworkSession</a></span>(config<span class="operator">,</span> <span class="keyword">this</span>); connect(networkSession<span class="operator">,</span> SIGNAL(opened())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(sessionOpened())); networkSession<span class="operator">-</span><span class="operator">></span>open(); } <span class="keyword">else</span> { networkSession <span class="operator">=</span> <span class="number">0</span>; } setWindowTitle(tr(<span class="string">"Light Maps"</span>)); } <span class="type">void</span> MapZoom<span class="operator">::</span>sessionOpened() { <span class="comment">// Save the used configuration</span> <span class="type"><a href="qnetworkconfiguration.html">QNetworkConfiguration</a></span> config <span class="operator">=</span> networkSession<span class="operator">-</span><span class="operator">></span>configuration(); <span class="type"><a href="qstring.html">QString</a></span> id; <span class="keyword">if</span> (config<span class="operator">.</span>type() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qnetworkconfiguration.html">QNetworkConfiguration</a></span><span class="operator">::</span>UserChoice) { id <span class="operator">=</span> networkSession<span class="operator">-</span><span class="operator">></span>sessionProperty( QLatin1String(<span class="string">"UserChoiceConfiguration"</span>))<span class="operator">.</span>toString(); } <span class="keyword">else</span> { id <span class="operator">=</span> config<span class="operator">.</span>identifier(); } <span class="type"><a href="qsettings.html">QSettings</a></span> settings(<span class="type"><a href="qsettings.html">QSettings</a></span><span class="operator">::</span>UserScope<span class="operator">,</span> QLatin1String(<span class="string">"Trolltech"</span>)); settings<span class="operator">.</span>beginGroup(QLatin1String(<span class="string">"QtNetwork"</span>)); settings<span class="operator">.</span>setValue(QLatin1String(<span class="string">"DefaultNetworkConfiguration"</span>)<span class="operator">,</span> id); settings<span class="operator">.</span>endGroup(); } <span class="type">void</span> MapZoom<span class="operator">::</span>chooseOslo() { map<span class="operator">-</span><span class="operator">></span>setCenter(<span class="number">59.9138204</span><span class="operator">,</span> <span class="number">10.7387413</span>); } <span class="type">void</span> MapZoom<span class="operator">::</span>chooseBerlin() { map<span class="operator">-</span><span class="operator">></span>setCenter(<span class="number">52.52958999943302</span><span class="operator">,</span> <span class="number">13.383053541183472</span>); } <span class="type">void</span> MapZoom<span class="operator">::</span>chooseJakarta() { map<span class="operator">-</span><span class="operator">></span>setCenter(<span class="operator">-</span><span class="number">6.211544</span><span class="operator">,</span> <span class="number">106.845172</span>); } <span class="type">void</span> MapZoom<span class="operator">::</span>aboutOsm() { <span class="type"><a href="qdesktopservices.html">QDesktopServices</a></span><span class="operator">::</span>openUrl(<span class="type"><a href="qurl.html">QUrl</a></span>(<span class="string">"http://www.openstreetmap.org"</span>)); }</pre> </div> <!-- @@@demos/embedded/lightmaps/mapzoom.cpp --> </div> </div> </div> <div class="ft"> <span></span> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2013 Digia Plc and/or its subsidiaries. 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> Digia, Qt and their respective logos are trademarks of Digia Plc 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>