<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>localeselector.cpp Example File | Qt Widgets 5.12.2</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.12</td><td ><a href="qtwidgets-index.html">Qt Widgets</a></td><td ><a href="qtwidgets-widgets-validators-example.html">Validators Example</a></td><td >localeselector.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtwidgets-index.html">Qt 5.12.2 Reference Documentation</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">localeselector.cpp Example File</h1> <span class="subtitle">widgets/validators/localeselector.cpp</span> <!-- $$$widgets/validators/localeselector.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 examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** 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 https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, 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. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> <span class="preprocessor">#include "localeselector.h"</span> <span class="preprocessor">#include <QLocale></span> LocaleSelector<span class="operator">::</span>LocaleSelector(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent) : <span class="type"><a href="qcombobox.html">QComboBox</a></span>(parent) { <span class="type">int</span> curIndex <span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>; <span class="type">int</span> index <span class="operator">=</span> <span class="number">0</span>; <span class="keyword">for</span> (<span class="type">int</span> _lang <span class="operator">=</span> <span class="type"><a href="../qtcore/qlocale.html">QLocale</a></span><span class="operator">::</span>C; _lang <span class="operator"><</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qlocale.html">QLocale</a></span><span class="operator">::</span>LastLanguage; <span class="operator">+</span><span class="operator">+</span>_lang) { <span class="type"><a href="../qtcore/qlocale.html">QLocale</a></span><span class="operator">::</span>Language lang <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type"><a href="../qtcore/qlocale.html">QLocale</a></span><span class="operator">::</span>Language<span class="operator">></span>(_lang); foreach (<span class="keyword">const</span> <span class="type"><a href="../qtcore/qlocale.html">QLocale</a></span> <span class="operator">&</span>l<span class="operator">,</span> <span class="type"><a href="../qtcore/qlocale.html">QLocale</a></span><span class="operator">::</span>matchingLocales(lang<span class="operator">,</span> <span class="type"><a href="../qtcore/qlocale.html">QLocale</a></span><span class="operator">::</span>AnyScript<span class="operator">,</span> <span class="type"><a href="../qtcore/qlocale.html">QLocale</a></span><span class="operator">::</span>AnyCountry)) { <span class="type"><a href="../qtcore/qstring.html">QString</a></span> label <span class="operator">=</span> <span class="type"><a href="../qtcore/qlocale.html">QLocale</a></span><span class="operator">::</span>languageToString(l<span class="operator">.</span>language()); label <span class="operator">+</span><span class="operator">=</span> QLatin1Char(<span class="char">'/'</span>); label <span class="operator">+</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qlocale.html">QLocale</a></span><span class="operator">::</span>countryToString(l<span class="operator">.</span>country()); <span class="comment">// distinguish locales by script, if there are more than one script for a language/country pair</span> <span class="keyword">if</span> (<span class="type"><a href="../qtcore/qlocale.html">QLocale</a></span><span class="operator">::</span>matchingLocales(l<span class="operator">.</span>language()<span class="operator">,</span> <span class="type"><a href="../qtcore/qlocale.html">QLocale</a></span><span class="operator">::</span>AnyScript<span class="operator">,</span> l<span class="operator">.</span>country())<span class="operator">.</span>size() <span class="operator">></span> <span class="number">1</span>) label <span class="operator">+</span><span class="operator">=</span> QLatin1String(<span class="string">" ("</span>) <span class="operator">+</span> <span class="type"><a href="../qtcore/qlocale.html">QLocale</a></span><span class="operator">::</span>scriptToString(l<span class="operator">.</span>script()) <span class="operator">+</span> QLatin1Char(<span class="char">')'</span>); addItem(label<span class="operator">,</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>fromValue(l)); <span class="keyword">if</span> (l<span class="operator">.</span>language() <span class="operator">=</span><span class="operator">=</span> locale()<span class="operator">.</span>language() <span class="operator">&</span><span class="operator">&</span> l<span class="operator">.</span>country() <span class="operator">=</span><span class="operator">=</span> locale()<span class="operator">.</span>country() <span class="operator">&</span><span class="operator">&</span> (locale()<span class="operator">.</span>script() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qlocale.html">QLocale</a></span><span class="operator">::</span>AnyScript <span class="operator">|</span><span class="operator">|</span> l<span class="operator">.</span>script() <span class="operator">=</span><span class="operator">=</span> locale()<span class="operator">.</span>script())) { curIndex <span class="operator">=</span> index; } <span class="operator">+</span><span class="operator">+</span>index; } } <span class="keyword">if</span> (curIndex <span class="operator">!</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>) setCurrentIndex(curIndex); connect(<span class="keyword">this</span><span class="operator">,</span> SIGNAL(activated(<span class="type">int</span>))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(emitLocaleSelected(<span class="type">int</span>))); } <span class="type">void</span> LocaleSelector<span class="operator">::</span>emitLocaleSelected(<span class="type">int</span> index) { <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span> v <span class="operator">=</span> itemData(index); <span class="keyword">if</span> (<span class="operator">!</span>v<span class="operator">.</span>isValid()) <span class="keyword">return</span>; <span class="keyword">const</span> <span class="type"><a href="../qtcore/qlocale.html">QLocale</a></span> l <span class="operator">=</span> v<span class="operator">.</span>value<span class="operator"><</span><span class="type"><a href="../qtcore/qlocale.html">QLocale</a></span><span class="operator">></span>(); <span class="keyword">emit</span> localeSelected(l); } </pre> </div> <!-- @@@widgets/validators/localeselector.cpp --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br/> 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.<br/> 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. </p> </div> </body> </html>