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<h1 class="title">window.cpp Example File</h1>
<span class="small-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) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 <QtGui></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="qsortfilterproxymodel.html">QSortFilterProxyModel</a></span>;
proxyModel<span class="operator">-</span><span class="operator">></span>setDynamicSortFilter(<span class="keyword">true</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="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="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="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> SIGNAL(textChanged(<span class="type"><a href="qstring.html">QString</a></span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> SLOT(filterRegExpChanged()));
connect(filterSyntaxComboBox<span class="operator">,</span> SIGNAL(currentIndexChanged(<span class="type">int</span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> SLOT(filterRegExpChanged()));
connect(filterColumnComboBox<span class="operator">,</span> SIGNAL(currentIndexChanged(<span class="type">int</span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> SLOT(filterColumnChanged()));
connect(filterCaseSensitivityCheckBox<span class="operator">,</span> SIGNAL(toggled(<span class="type">bool</span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> SLOT(filterRegExpChanged()));
connect(sortCaseSensitivityCheckBox<span class="operator">,</span> SIGNAL(toggled(<span class="type">bool</span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> SLOT(sortChanged()));
<span class="preprocessor">#if defined(Q_OS_SYMBIAN) || defined(Q_WS_MAEMO_5) || defined(Q_WS_SIMULATOR)</span>
sourceWidget <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qwidget.html">QWidget</a></span>;
filterWidget <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qwidget.html">QWidget</a></span>;
proxyWidget <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qwidget.html">QWidget</a></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);
sourceWidget<span class="operator">-</span><span class="operator">></span>setLayout(sourceLayout);
<span class="type"><a href="qgridlayout.html">QGridLayout</a></span> <span class="operator">*</span>filterLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgridlayout.html">QGridLayout</a></span>;
filterLayout<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>);
filterLayout<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>);
filterLayout<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>);
filterLayout<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>);
filterLayout<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>);
filterLayout<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>);
filterLayout<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>);
filterLayout<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>);
filterWidget<span class="operator">-</span><span class="operator">></span>setLayout(filterLayout);
<span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span> <span class="operator">*</span>proxyLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span>;
proxyLayout<span class="operator">-</span><span class="operator">></span>addWidget(proxyView);
proxyWidget<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>;
<span class="type"><a href="qtabwidget.html">QTabWidget</a></span> <span class="operator">*</span>tabWidget <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtabwidget.html">QTabWidget</a></span>;
tabWidget<span class="operator">-</span><span class="operator">></span>addTab(sourceWidget<span class="operator">,</span> <span class="string">"Source"</span>);
tabWidget<span class="operator">-</span><span class="operator">></span>addTab(filterWidget<span class="operator">,</span> <span class="string">"Filters"</span>);
tabWidget<span class="operator">-</span><span class="operator">></span>addTab(proxyWidget<span class="operator">,</span> <span class="string">"Proxy"</span>);
mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(tabWidget);
<span class="preprocessor">#else</span>
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);
<span class="preprocessor">#endif</span>
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="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="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="qregexp.html">QRegExp</a></span><span class="operator">::</span>PatternSyntax syntax <span class="operator">=</span>
<span class="type"><a href="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="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="qt.html">Qt</a></span><span class="operator">::</span>CaseSensitive
: <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>CaseInsensitive;
<span class="type"><a href="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="qt.html">Qt</a></span><span class="operator">::</span>CaseSensitive
: <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>CaseInsensitive);
}</pre>
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<!-- @@@itemviews/basicsortfiltermodel/window.cpp -->
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