<?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>filterwidget.cpp Example File | Qt Widgets 5.12.6</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-itemviews-customsortfiltermodel-example.html">Custom Sort/Filter Model Example</a></td><td >filterwidget.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtwidgets-index.html">Qt 5.12.6 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">filterwidget.cpp Example File</h1> <span class="subtitle">itemviews/customsortfiltermodel/filterwidget.cpp</span> <!-- $$$itemviews/customsortfiltermodel/filterwidget.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 "filterwidget.h"</span> <span class="preprocessor">#include <QIcon></span> <span class="preprocessor">#include <QPixmap></span> <span class="preprocessor">#include <QImage></span> <span class="preprocessor">#include <QMenu></span> <span class="preprocessor">#include <QAction></span> <span class="preprocessor">#include <QActionGroup></span> <span class="preprocessor">#include <QToolButton></span> <span class="preprocessor">#include <QWidgetAction></span> <span class="preprocessor">#include <QDebug></span> FilterWidget<span class="operator">::</span>FilterWidget(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent) : <span class="type"><a href="qlineedit.html">QLineEdit</a></span>(parent) <span class="operator">,</span> m_patternGroup(<span class="keyword">new</span> <span class="type"><a href="qactiongroup.html">QActionGroup</a></span>(<span class="keyword">this</span>)) { setClearButtonEnabled(<span class="keyword">true</span>); connect(<span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qlineedit.html">QLineEdit</a></span><span class="operator">::</span>textChanged<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>FilterWidget<span class="operator">::</span>filterChanged); <span class="type"><a href="qmenu.html">QMenu</a></span> <span class="operator">*</span>menu <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qmenu.html">QMenu</a></span>(<span class="keyword">this</span>); m_caseSensitivityAction <span class="operator">=</span> menu<span class="operator">-</span><span class="operator">></span>addAction(tr(<span class="string">"Case Sensitive"</span>)); m_caseSensitivityAction<span class="operator">-</span><span class="operator">></span>setCheckable(<span class="keyword">true</span>); connect(m_caseSensitivityAction<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qaction.html">QAction</a></span><span class="operator">::</span>toggled<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>FilterWidget<span class="operator">::</span>filterChanged); menu<span class="operator">-</span><span class="operator">></span>addSeparator(); m_patternGroup<span class="operator">-</span><span class="operator">></span>setExclusive(<span class="keyword">true</span>); <span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>patternAction <span class="operator">=</span> menu<span class="operator">-</span><span class="operator">></span>addAction(<span class="string">"Fixed String"</span>); patternAction<span class="operator">-</span><span class="operator">></span>setData(<span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span>(<span class="type">int</span>(<span class="type"><a href="../qtcore/qregexp.html">QRegExp</a></span><span class="operator">::</span>FixedString))); patternAction<span class="operator">-</span><span class="operator">></span>setCheckable(<span class="keyword">true</span>); patternAction<span class="operator">-</span><span class="operator">></span>setChecked(<span class="keyword">true</span>); m_patternGroup<span class="operator">-</span><span class="operator">></span>addAction(patternAction); patternAction <span class="operator">=</span> menu<span class="operator">-</span><span class="operator">></span>addAction(<span class="string">"Regular Expression"</span>); patternAction<span class="operator">-</span><span class="operator">></span>setCheckable(<span class="keyword">true</span>); patternAction<span class="operator">-</span><span class="operator">></span>setData(<span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span>(<span class="type">int</span>(<span class="type"><a href="../qtcore/qregexp.html">QRegExp</a></span><span class="operator">::</span>RegExp2))); m_patternGroup<span class="operator">-</span><span class="operator">></span>addAction(patternAction); patternAction <span class="operator">=</span> menu<span class="operator">-</span><span class="operator">></span>addAction(<span class="string">"Wildcard"</span>); patternAction<span class="operator">-</span><span class="operator">></span>setCheckable(<span class="keyword">true</span>); patternAction<span class="operator">-</span><span class="operator">></span>setData(<span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span>(<span class="type">int</span>(<span class="type"><a href="../qtcore/qregexp.html">QRegExp</a></span><span class="operator">::</span>Wildcard))); m_patternGroup<span class="operator">-</span><span class="operator">></span>addAction(patternAction); connect(m_patternGroup<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qactiongroup.html">QActionGroup</a></span><span class="operator">::</span>triggered<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>FilterWidget<span class="operator">::</span>filterChanged); <span class="keyword">const</span> <span class="type"><a href="../qtgui/qicon.html">QIcon</a></span> icon <span class="operator">=</span> <span class="type"><a href="../qtgui/qicon.html">QIcon</a></span>(<span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span>(<span class="string">":/images/find.png"</span>)); <span class="type"><a href="qtoolbutton.html">QToolButton</a></span> <span class="operator">*</span>optionsButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtoolbutton.html">QToolButton</a></span>; <span class="preprocessor">#ifndef QT_NO_CURSOR</span> optionsButton<span class="operator">-</span><span class="operator">></span>setCursor(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>ArrowCursor); <span class="preprocessor">#endif</span> optionsButton<span class="operator">-</span><span class="operator">></span>setFocusPolicy(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>NoFocus); optionsButton<span class="operator">-</span><span class="operator">></span>setStyleSheet(<span class="string">"* { border: none; }"</span>); optionsButton<span class="operator">-</span><span class="operator">></span>setIcon(icon); optionsButton<span class="operator">-</span><span class="operator">></span>setMenu(menu); optionsButton<span class="operator">-</span><span class="operator">></span>setPopupMode(<span class="type"><a href="qtoolbutton.html">QToolButton</a></span><span class="operator">::</span>InstantPopup); <span class="type"><a href="qwidgetaction.html">QWidgetAction</a></span> <span class="operator">*</span>optionsAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qwidgetaction.html">QWidgetAction</a></span>(<span class="keyword">this</span>); optionsAction<span class="operator">-</span><span class="operator">></span>setDefaultWidget(optionsButton); addAction(optionsAction<span class="operator">,</span> <span class="type"><a href="qlineedit.html">QLineEdit</a></span><span class="operator">::</span>LeadingPosition); } <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>CaseSensitivity FilterWidget<span class="operator">::</span>caseSensitivity() <span class="keyword">const</span> { <span class="keyword">return</span> m_caseSensitivityAction<span class="operator">-</span><span class="operator">></span>isChecked() <span class="operator">?</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>CaseSensitive : <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>CaseInsensitive; } <span class="type">void</span> FilterWidget<span class="operator">::</span>setCaseSensitivity(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>CaseSensitivity cs) { m_caseSensitivityAction<span class="operator">-</span><span class="operator">></span>setChecked(cs <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>CaseSensitive); } <span class="keyword">static</span> <span class="keyword">inline</span> <span class="type"><a href="../qtcore/qregexp.html">QRegExp</a></span><span class="operator">::</span>PatternSyntax patternSyntaxFromAction(<span class="keyword">const</span> <span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>a) { <span class="keyword">return</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type"><a href="../qtcore/qregexp.html">QRegExp</a></span><span class="operator">::</span>PatternSyntax<span class="operator">></span>(a<span class="operator">-</span><span class="operator">></span>data()<span class="operator">.</span>toInt()); } <span class="type"><a href="../qtcore/qregexp.html">QRegExp</a></span><span class="operator">::</span>PatternSyntax FilterWidget<span class="operator">::</span>patternSyntax() <span class="keyword">const</span> { <span class="keyword">return</span> patternSyntaxFromAction(m_patternGroup<span class="operator">-</span><span class="operator">></span>checkedAction()); } <span class="type">void</span> FilterWidget<span class="operator">::</span>setPatternSyntax(<span class="type"><a href="../qtcore/qregexp.html">QRegExp</a></span><span class="operator">::</span>PatternSyntax s) { foreach (<span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>a<span class="operator">,</span> m_patternGroup<span class="operator">-</span><span class="operator">></span>actions()) { <span class="keyword">if</span> (patternSyntaxFromAction(a) <span class="operator">=</span><span class="operator">=</span> s) { a<span class="operator">-</span><span class="operator">></span>setChecked(<span class="keyword">true</span>); <span class="keyword">break</span>; } } } </pre> </div> <!-- @@@itemviews/customsortfiltermodel/filterwidget.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>