<?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>window.cpp Example File | Qt Widgets 5.9</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 5.9</td><td ><a href="qtwidgets-index.html">Qt Widgets</a></td><td ><a href="qtwidgets-itemviews-basicsortfiltermodel-example.html">Basic Sort/Filter Model Example</a></td><td >window.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</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">window.cpp Example File</h1> <span class="subtitle">itemviews/basicsortfiltermodel/window.cpp</span> <!-- $$$itemviews/basicsortfiltermodel/window.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 <QtWidgets></span> <span class="preprocessor">#include "window.h"</span> Window<span class="operator">::</span>Window() { proxyModel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtcore/qsortfilterproxymodel.html">QSortFilterProxyModel</a></span>; sourceView <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtreeview.html">QTreeView</a></span>; sourceView<span class="operator">-</span><span class="operator">></span>setRootIsDecorated(<span class="keyword">false</span>); sourceView<span class="operator">-</span><span class="operator">></span>setAlternatingRowColors(<span class="keyword">true</span>); proxyView <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtreeview.html">QTreeView</a></span>; proxyView<span class="operator">-</span><span class="operator">></span>setRootIsDecorated(<span class="keyword">false</span>); proxyView<span class="operator">-</span><span class="operator">></span>setAlternatingRowColors(<span class="keyword">true</span>); proxyView<span class="operator">-</span><span class="operator">></span>setModel(proxyModel); proxyView<span class="operator">-</span><span class="operator">></span>setSortingEnabled(<span class="keyword">true</span>); sortCaseSensitivityCheckBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qcheckbox.html">QCheckBox</a></span>(tr(<span class="string">"Case sensitive sorting"</span>)); filterCaseSensitivityCheckBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qcheckbox.html">QCheckBox</a></span>(tr(<span class="string">"Case sensitive filter"</span>)); filterPatternLineEdit <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlineedit.html">QLineEdit</a></span>; filterPatternLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">"&Filter pattern:"</span>)); filterPatternLabel<span class="operator">-</span><span class="operator">></span>setBuddy(filterPatternLineEdit); filterSyntaxComboBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qcombobox.html">QComboBox</a></span>; filterSyntaxComboBox<span class="operator">-</span><span class="operator">></span>addItem(tr(<span class="string">"Regular expression"</span>)<span class="operator">,</span> <span class="type"><a href="../qtcore/qregexp.html">QRegExp</a></span><span class="operator">::</span>RegExp); filterSyntaxComboBox<span class="operator">-</span><span class="operator">></span>addItem(tr(<span class="string">"Wildcard"</span>)<span class="operator">,</span> <span class="type"><a href="../qtcore/qregexp.html">QRegExp</a></span><span class="operator">::</span>Wildcard); filterSyntaxComboBox<span class="operator">-</span><span class="operator">></span>addItem(tr(<span class="string">"Fixed string"</span>)<span class="operator">,</span> <span class="type"><a href="../qtcore/qregexp.html">QRegExp</a></span><span class="operator">::</span>FixedString); filterSyntaxLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">"Filter &syntax:"</span>)); filterSyntaxLabel<span class="operator">-</span><span class="operator">></span>setBuddy(filterSyntaxComboBox); filterColumnComboBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qcombobox.html">QComboBox</a></span>; filterColumnComboBox<span class="operator">-</span><span class="operator">></span>addItem(tr(<span class="string">"Subject"</span>)); filterColumnComboBox<span class="operator">-</span><span class="operator">></span>addItem(tr(<span class="string">"Sender"</span>)); filterColumnComboBox<span class="operator">-</span><span class="operator">></span>addItem(tr(<span class="string">"Date"</span>)); filterColumnLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>(tr(<span class="string">"Filter &column:"</span>)); filterColumnLabel<span class="operator">-</span><span class="operator">></span>setBuddy(filterColumnComboBox); connect(filterPatternLineEdit<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>Window<span class="operator">::</span>filterRegExpChanged); connect(filterSyntaxComboBox<span class="operator">,</span> <span class="type">QOverload</span><span class="operator"><</span><span class="type">int</span><span class="operator">></span><span class="operator">::</span>of(<span class="operator">&</span><span class="type"><a href="qcombobox.html">QComboBox</a></span><span class="operator">::</span>currentIndexChanged)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>Window<span class="operator">::</span>filterRegExpChanged); connect(filterColumnComboBox<span class="operator">,</span> <span class="type">QOverload</span><span class="operator"><</span><span class="type">int</span><span class="operator">></span><span class="operator">::</span>of(<span class="operator">&</span><span class="type"><a href="qcombobox.html">QComboBox</a></span><span class="operator">::</span>currentIndexChanged)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>Window<span class="operator">::</span>filterColumnChanged); connect(filterCaseSensitivityCheckBox<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qabstractbutton.html">QAbstractButton</a></span><span class="operator">::</span>toggled<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>Window<span class="operator">::</span>filterRegExpChanged); connect(sortCaseSensitivityCheckBox<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qabstractbutton.html">QAbstractButton</a></span><span class="operator">::</span>toggled<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>Window<span class="operator">::</span>sortChanged); sourceGroupBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgroupbox.html">QGroupBox</a></span>(tr(<span class="string">"Original Model"</span>)); proxyGroupBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgroupbox.html">QGroupBox</a></span>(tr(<span class="string">"Sorted/Filtered Model"</span>)); <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span> <span class="operator">*</span>sourceLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span>; sourceLayout<span class="operator">-</span><span class="operator">></span>addWidget(sourceView); sourceGroupBox<span class="operator">-</span><span class="operator">></span>setLayout(sourceLayout); <span class="type"><a href="qgridlayout.html">QGridLayout</a></span> <span class="operator">*</span>proxyLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgridlayout.html">QGridLayout</a></span>; proxyLayout<span class="operator">-</span><span class="operator">></span>addWidget(proxyView<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">3</span>); proxyLayout<span class="operator">-</span><span class="operator">></span>addWidget(filterPatternLabel<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">0</span>); proxyLayout<span class="operator">-</span><span class="operator">></span>addWidget(filterPatternLineEdit<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">2</span>); proxyLayout<span class="operator">-</span><span class="operator">></span>addWidget(filterSyntaxLabel<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">0</span>); proxyLayout<span class="operator">-</span><span class="operator">></span>addWidget(filterSyntaxComboBox<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">2</span>); proxyLayout<span class="operator">-</span><span class="operator">></span>addWidget(filterColumnLabel<span class="operator">,</span> <span class="number">3</span><span class="operator">,</span> <span class="number">0</span>); proxyLayout<span class="operator">-</span><span class="operator">></span>addWidget(filterColumnComboBox<span class="operator">,</span> <span class="number">3</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">2</span>); proxyLayout<span class="operator">-</span><span class="operator">></span>addWidget(filterCaseSensitivityCheckBox<span class="operator">,</span> <span class="number">4</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">2</span>); proxyLayout<span class="operator">-</span><span class="operator">></span>addWidget(sortCaseSensitivityCheckBox<span class="operator">,</span> <span class="number">4</span><span class="operator">,</span> <span class="number">2</span>); proxyGroupBox<span class="operator">-</span><span class="operator">></span>setLayout(proxyLayout); <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span> <span class="operator">*</span>mainLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span>; mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(sourceGroupBox); mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(proxyGroupBox); setLayout(mainLayout); setWindowTitle(tr(<span class="string">"Basic Sort/Filter Model"</span>)); resize(<span class="number">500</span><span class="operator">,</span> <span class="number">450</span>); proxyView<span class="operator">-</span><span class="operator">></span>sortByColumn(<span class="number">1</span><span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>AscendingOrder); filterColumnComboBox<span class="operator">-</span><span class="operator">></span>setCurrentIndex(<span class="number">1</span>); filterPatternLineEdit<span class="operator">-</span><span class="operator">></span>setText(<span class="string">"Andy|Grace"</span>); filterCaseSensitivityCheckBox<span class="operator">-</span><span class="operator">></span>setChecked(<span class="keyword">true</span>); sortCaseSensitivityCheckBox<span class="operator">-</span><span class="operator">></span>setChecked(<span class="keyword">true</span>); } <span class="type">void</span> Window<span class="operator">::</span>setSourceModel(<span class="type"><a href="../qtcore/qabstractitemmodel.html">QAbstractItemModel</a></span> <span class="operator">*</span>model) { proxyModel<span class="operator">-</span><span class="operator">></span>setSourceModel(model); sourceView<span class="operator">-</span><span class="operator">></span>setModel(model); } <span class="type">void</span> Window<span class="operator">::</span>filterRegExpChanged() { <span class="type"><a href="../qtcore/qregexp.html">QRegExp</a></span><span class="operator">::</span>PatternSyntax syntax <span class="operator">=</span> <span class="type"><a href="../qtcore/qregexp.html">QRegExp</a></span><span class="operator">::</span>PatternSyntax(filterSyntaxComboBox<span class="operator">-</span><span class="operator">></span>itemData( filterSyntaxComboBox<span class="operator">-</span><span class="operator">></span>currentIndex())<span class="operator">.</span>toInt()); <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>CaseSensitivity caseSensitivity <span class="operator">=</span> filterCaseSensitivityCheckBox<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"><a href="../qtcore/qregexp.html">QRegExp</a></span> regExp(filterPatternLineEdit<span class="operator">-</span><span class="operator">></span>text()<span class="operator">,</span> caseSensitivity<span class="operator">,</span> syntax); proxyModel<span class="operator">-</span><span class="operator">></span>setFilterRegExp(regExp); } <span class="type">void</span> Window<span class="operator">::</span>filterColumnChanged() { proxyModel<span class="operator">-</span><span class="operator">></span>setFilterKeyColumn(filterColumnComboBox<span class="operator">-</span><span class="operator">></span>currentIndex()); } <span class="type">void</span> Window<span class="operator">::</span>sortChanged() { proxyModel<span class="operator">-</span><span class="operator">></span>setSortCaseSensitivity( sortCaseSensitivityCheckBox<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); } </pre> </div> <!-- @@@itemviews/basicsortfiltermodel/window.cpp --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2017 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>