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<h1 class="title">mainwindow.cpp Example File</h1>
<span class="small-subtitle">tools/completer/mainwindow.cpp</span>
<!-- $$$tools/completer/mainwindow.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:
**
** &quot;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
** &quot;AS IS&quot; 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.&quot;
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include &lt;QtGui&gt;</span>
<span class="preprocessor">#include &quot;fsmodel.h&quot;</span>
<span class="preprocessor">#include &quot;mainwindow.h&quot;</span>
MainWindow<span class="operator">::</span>MainWindow(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent)
: <span class="type"><a href="qmainwindow.html">QMainWindow</a></span>(parent)<span class="operator">,</span> completer(<span class="number">0</span>)<span class="operator">,</span> lineEdit(<span class="number">0</span>)
{
createMenu();
<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>centralWidget <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qwidget.html">QWidget</a></span>;
<span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>modelLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>;
modelLabel<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;Model&quot;</span>));
modelCombo <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qcombobox.html">QComboBox</a></span>;
modelCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(tr(<span class="string">&quot;QFileSytemModel&quot;</span>));
modelCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(tr(<span class="string">&quot;QFileSytemModel that shows full path&quot;</span>));
modelCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(tr(<span class="string">&quot;Country list&quot;</span>));
modelCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(tr(<span class="string">&quot;Word list&quot;</span>));
modelCombo<span class="operator">-</span><span class="operator">&gt;</span>setCurrentIndex(<span class="number">0</span>);
<span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>modeLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>;
modeLabel<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;Completion Mode&quot;</span>));
modeCombo <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qcombobox.html">QComboBox</a></span>;
modeCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(tr(<span class="string">&quot;Inline&quot;</span>));
modeCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(tr(<span class="string">&quot;Filtered Popup&quot;</span>));
modeCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(tr(<span class="string">&quot;Unfiltered Popup&quot;</span>));
modeCombo<span class="operator">-</span><span class="operator">&gt;</span>setCurrentIndex(<span class="number">1</span>);
<span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>caseLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>;
caseLabel<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;Case Sensitivity&quot;</span>));
caseCombo <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qcombobox.html">QComboBox</a></span>;
caseCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(tr(<span class="string">&quot;Case Insensitive&quot;</span>));
caseCombo<span class="operator">-</span><span class="operator">&gt;</span>addItem(tr(<span class="string">&quot;Case Sensitive&quot;</span>));
caseCombo<span class="operator">-</span><span class="operator">&gt;</span>setCurrentIndex(<span class="number">0</span>);
<span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>maxVisibleLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>;
maxVisibleLabel<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;Max Visible Items&quot;</span>));
maxVisibleSpinBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qspinbox.html">QSpinBox</a></span>;
maxVisibleSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setRange(<span class="number">3</span><span class="operator">,</span><span class="number">25</span>);
maxVisibleSpinBox<span class="operator">-</span><span class="operator">&gt;</span>setValue(<span class="number">10</span>);
wrapCheckBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qcheckbox.html">QCheckBox</a></span>;
wrapCheckBox<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;Wrap around completions&quot;</span>));
wrapCheckBox<span class="operator">-</span><span class="operator">&gt;</span>setChecked(<span class="keyword">true</span>);
contentsLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>;
contentsLabel<span class="operator">-</span><span class="operator">&gt;</span>setSizePolicy(<span class="type"><a href="qsizepolicy.html">QSizePolicy</a></span><span class="operator">::</span>Fixed<span class="operator">,</span> <span class="type"><a href="qsizepolicy.html">QSizePolicy</a></span><span class="operator">::</span>Fixed);
connect(modelCombo<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(changeModel()));
connect(modeCombo<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(changeMode(<span class="type">int</span>)));
connect(caseCombo<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(changeCase(<span class="type">int</span>)));
connect(maxVisibleSpinBox<span class="operator">,</span> SIGNAL(valueChanged(<span class="type">int</span>))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(changeMaxVisible(<span class="type">int</span>)));
lineEdit <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlineedit.html">QLineEdit</a></span>;
<span class="type"><a href="qgridlayout.html">QGridLayout</a></span> <span class="operator">*</span>layout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qgridlayout.html">QGridLayout</a></span>;
layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(modelLabel<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span>); layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(modelCombo<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">1</span>);
layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(modeLabel<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">0</span>); layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(modeCombo<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">1</span>);
layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(caseLabel<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">0</span>); layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(caseCombo<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">1</span>);
layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(maxVisibleLabel<span class="operator">,</span> <span class="number">3</span><span class="operator">,</span> <span class="number">0</span>); layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(maxVisibleSpinBox<span class="operator">,</span> <span class="number">3</span><span class="operator">,</span> <span class="number">1</span>);
layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(wrapCheckBox<span class="operator">,</span> <span class="number">4</span><span class="operator">,</span> <span class="number">0</span>);
layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(contentsLabel<span class="operator">,</span> <span class="number">5</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>);
layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(lineEdit<span class="operator">,</span> <span class="number">6</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>);
centralWidget<span class="operator">-</span><span class="operator">&gt;</span>setLayout(layout);
setCentralWidget(centralWidget);
changeModel();
setWindowTitle(tr(<span class="string">&quot;Completer&quot;</span>));
lineEdit<span class="operator">-</span><span class="operator">&gt;</span>setFocus();
}
<span class="type">void</span> MainWindow<span class="operator">::</span>createMenu()
{
<span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>exitAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">&quot;Exit&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
<span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>aboutAct <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">&quot;About&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
<span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>aboutQtAct <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">&quot;About Qt&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span>);
connect(exitAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> qApp<span class="operator">,</span> SLOT(quit()));
connect(aboutAct<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(about()));
connect(aboutQtAct<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> qApp<span class="operator">,</span> SLOT(aboutQt()));
<span class="type"><a href="qmenu.html">QMenu</a></span><span class="operator">*</span> fileMenu <span class="operator">=</span> menuBar()<span class="operator">-</span><span class="operator">&gt;</span>addMenu(tr(<span class="string">&quot;File&quot;</span>));
fileMenu<span class="operator">-</span><span class="operator">&gt;</span>addAction(exitAction);
<span class="type"><a href="qmenu.html">QMenu</a></span><span class="operator">*</span> helpMenu <span class="operator">=</span> menuBar()<span class="operator">-</span><span class="operator">&gt;</span>addMenu(tr(<span class="string">&quot;About&quot;</span>));
helpMenu<span class="operator">-</span><span class="operator">&gt;</span>addAction(aboutAct);
helpMenu<span class="operator">-</span><span class="operator">&gt;</span>addAction(aboutQtAct);
}
<span class="type"><a href="qabstractitemmodel.html">QAbstractItemModel</a></span> <span class="operator">*</span>MainWindow<span class="operator">::</span>modelFromFile(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span><span class="operator">&amp;</span> fileName)
{
<span class="type"><a href="qfile.html">QFile</a></span> file(fileName);
<span class="keyword">if</span> (<span class="operator">!</span>file<span class="operator">.</span>open(<span class="type"><a href="qfile.html">QFile</a></span><span class="operator">::</span>ReadOnly))
<span class="keyword">return</span> <span class="keyword">new</span> <span class="type"><a href="qstringlistmodel.html">QStringListModel</a></span>(completer);
<span class="preprocessor">#ifndef QT_NO_CURSOR</span>
<span class="type"><a href="qapplication.html">QApplication</a></span><span class="operator">::</span>setOverrideCursor(<span class="type"><a href="qcursor.html">QCursor</a></span>(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>WaitCursor));
<span class="preprocessor">#endif</span>
<span class="type"><a href="qstringlist.html">QStringList</a></span> words;
<span class="keyword">while</span> (<span class="operator">!</span>file<span class="operator">.</span>atEnd()) {
<span class="type"><a href="qbytearray.html">QByteArray</a></span> line <span class="operator">=</span> file<span class="operator">.</span>readLine();
<span class="keyword">if</span> (<span class="operator">!</span>line<span class="operator">.</span>isEmpty())
words <span class="operator">&lt;</span><span class="operator">&lt;</span> line<span class="operator">.</span>trimmed();
}
<span class="preprocessor">#ifndef QT_NO_CURSOR</span>
<span class="type"><a href="qapplication.html">QApplication</a></span><span class="operator">::</span>restoreOverrideCursor();
<span class="preprocessor">#endif</span>
<span class="keyword">if</span> (<span class="operator">!</span>fileName<span class="operator">.</span>contains(QLatin1String(<span class="string">&quot;countries.txt&quot;</span>)))
<span class="keyword">return</span> <span class="keyword">new</span> <span class="type"><a href="qstringlistmodel.html">QStringListModel</a></span>(words<span class="operator">,</span> completer);
<span class="comment">// The last two chars of the countries.txt file indicate the country</span>
<span class="comment">// symbol. We put that in column 2 of a standard item model</span>
<span class="type"><a href="qstandarditemmodel.html">QStandardItemModel</a></span> <span class="operator">*</span>m <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qstandarditemmodel.html">QStandardItemModel</a></span>(words<span class="operator">.</span>count()<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> completer);
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator">&lt;</span> words<span class="operator">.</span>count(); <span class="operator">+</span><span class="operator">+</span>i) {
<span class="type"><a href="qmodelindex.html">QModelIndex</a></span> countryIdx <span class="operator">=</span> m<span class="operator">-</span><span class="operator">&gt;</span>index(i<span class="operator">,</span> <span class="number">0</span>);
<span class="type"><a href="qmodelindex.html">QModelIndex</a></span> symbolIdx <span class="operator">=</span> m<span class="operator">-</span><span class="operator">&gt;</span>index(i<span class="operator">,</span> <span class="number">1</span>);
<span class="type"><a href="qstring.html">QString</a></span> country <span class="operator">=</span> words<span class="operator">[</span>i<span class="operator">]</span><span class="operator">.</span>mid(<span class="number">0</span><span class="operator">,</span> words<span class="operator">[</span>i<span class="operator">]</span><span class="operator">.</span>length() <span class="operator">-</span> <span class="number">2</span>)<span class="operator">.</span>trimmed();
<span class="type"><a href="qstring.html">QString</a></span> symbol <span class="operator">=</span> words<span class="operator">[</span>i<span class="operator">]</span><span class="operator">.</span>right(<span class="number">2</span>);
m<span class="operator">-</span><span class="operator">&gt;</span>setData(countryIdx<span class="operator">,</span> country);
m<span class="operator">-</span><span class="operator">&gt;</span>setData(symbolIdx<span class="operator">,</span> symbol);
}
<span class="keyword">return</span> m;
}
<span class="type">void</span> MainWindow<span class="operator">::</span>changeMode(<span class="type">int</span> index)
{
<span class="type"><a href="qcompleter.html">QCompleter</a></span><span class="operator">::</span>CompletionMode mode;
<span class="keyword">if</span> (index <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span>)
mode <span class="operator">=</span> <span class="type"><a href="qcompleter.html">QCompleter</a></span><span class="operator">::</span>InlineCompletion;
<span class="keyword">else</span> <span class="keyword">if</span> (index <span class="operator">=</span><span class="operator">=</span> <span class="number">1</span>)
mode <span class="operator">=</span> <span class="type"><a href="qcompleter.html">QCompleter</a></span><span class="operator">::</span>PopupCompletion;
<span class="keyword">else</span>
mode <span class="operator">=</span> <span class="type"><a href="qcompleter.html">QCompleter</a></span><span class="operator">::</span>UnfilteredPopupCompletion;
completer<span class="operator">-</span><span class="operator">&gt;</span>setCompletionMode(mode);
}
<span class="type">void</span> MainWindow<span class="operator">::</span>changeCase(<span class="type">int</span> cs)
{
completer<span class="operator">-</span><span class="operator">&gt;</span>setCaseSensitivity(cs <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">void</span> MainWindow<span class="operator">::</span>changeModel()
{
<span class="keyword">delete</span> completer;
completer <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qcompleter.html">QCompleter</a></span>(<span class="keyword">this</span>);
completer<span class="operator">-</span><span class="operator">&gt;</span>setMaxVisibleItems(maxVisibleSpinBox<span class="operator">-</span><span class="operator">&gt;</span>value());
<span class="keyword">switch</span> (modelCombo<span class="operator">-</span><span class="operator">&gt;</span>currentIndex()) {
<span class="keyword">default</span>:
<span class="keyword">case</span> <span class="number">0</span>:
{ <span class="comment">// Unsorted QFileSystemModel</span>
<span class="type"><a href="qfilesystemmodel.html">QFileSystemModel</a></span> <span class="operator">*</span>fsModel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qfilesystemmodel.html">QFileSystemModel</a></span>(completer);
fsModel<span class="operator">-</span><span class="operator">&gt;</span>setRootPath(<span class="string">&quot;&quot;</span>);
completer<span class="operator">-</span><span class="operator">&gt;</span>setModel(fsModel);
contentsLabel<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;Enter file path&quot;</span>));
}
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="number">1</span>:
{ <span class="comment">// FileSystemModel that shows full paths</span>
FileSystemModel <span class="operator">*</span>fsModel <span class="operator">=</span> <span class="keyword">new</span> FileSystemModel(completer);
completer<span class="operator">-</span><span class="operator">&gt;</span>setModel(fsModel);
fsModel<span class="operator">-</span><span class="operator">&gt;</span>setRootPath(<span class="string">&quot;&quot;</span>);
contentsLabel<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;Enter file path&quot;</span>));
}
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="number">2</span>:
{ <span class="comment">// Country List</span>
completer<span class="operator">-</span><span class="operator">&gt;</span>setModel(modelFromFile(<span class="string">&quot;:/resources/countries.txt&quot;</span>));
<span class="type"><a href="qtreeview.html">QTreeView</a></span> <span class="operator">*</span>treeView <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtreeview.html">QTreeView</a></span>;
completer<span class="operator">-</span><span class="operator">&gt;</span>setPopup(treeView);
treeView<span class="operator">-</span><span class="operator">&gt;</span>setRootIsDecorated(<span class="keyword">false</span>);
treeView<span class="operator">-</span><span class="operator">&gt;</span>header()<span class="operator">-</span><span class="operator">&gt;</span>hide();
treeView<span class="operator">-</span><span class="operator">&gt;</span>header()<span class="operator">-</span><span class="operator">&gt;</span>setStretchLastSection(<span class="keyword">false</span>);
treeView<span class="operator">-</span><span class="operator">&gt;</span>header()<span class="operator">-</span><span class="operator">&gt;</span>setResizeMode(<span class="number">0</span><span class="operator">,</span> <span class="type"><a href="qheaderview.html">QHeaderView</a></span><span class="operator">::</span>Stretch);
treeView<span class="operator">-</span><span class="operator">&gt;</span>header()<span class="operator">-</span><span class="operator">&gt;</span>setResizeMode(<span class="number">1</span><span class="operator">,</span> <span class="type"><a href="qheaderview.html">QHeaderView</a></span><span class="operator">::</span>ResizeToContents);
contentsLabel<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;Enter name of your country&quot;</span>));
}
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="number">3</span>:
{ <span class="comment">// Word list</span>
completer<span class="operator">-</span><span class="operator">&gt;</span>setModel(modelFromFile(<span class="string">&quot;:/resources/wordlist.txt&quot;</span>));
completer<span class="operator">-</span><span class="operator">&gt;</span>setModelSorting(<span class="type"><a href="qcompleter.html">QCompleter</a></span><span class="operator">::</span>CaseInsensitivelySortedModel);
contentsLabel<span class="operator">-</span><span class="operator">&gt;</span>setText(tr(<span class="string">&quot;Enter a word&quot;</span>));
}
<span class="keyword">break</span>;
}
changeMode(modeCombo<span class="operator">-</span><span class="operator">&gt;</span>currentIndex());
changeCase(caseCombo<span class="operator">-</span><span class="operator">&gt;</span>currentIndex());
completer<span class="operator">-</span><span class="operator">&gt;</span>setWrapAround(wrapCheckBox<span class="operator">-</span><span class="operator">&gt;</span>isChecked());
lineEdit<span class="operator">-</span><span class="operator">&gt;</span>setCompleter(completer);
connect(wrapCheckBox<span class="operator">,</span> SIGNAL(clicked(<span class="type">bool</span>))<span class="operator">,</span> completer<span class="operator">,</span> SLOT(setWrapAround(<span class="type">bool</span>)));
}
<span class="type">void</span> MainWindow<span class="operator">::</span>changeMaxVisible(<span class="type">int</span> max)
{
completer<span class="operator">-</span><span class="operator">&gt;</span>setMaxVisibleItems(max);
}
<span class="type">void</span> MainWindow<span class="operator">::</span>about()
{
<span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>about(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">&quot;About&quot;</span>)<span class="operator">,</span> tr(<span class="string">&quot;This example demonstrates the &quot;</span>
<span class="string">&quot;different features of the QCompleter class.&quot;</span>));
}</pre>
</div>
<!-- @@@tools/completer/mainwindow.cpp -->
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