<?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>mainwindow.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-tools-completer-example.html">Completer Example</a></td><td >mainwindow.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">mainwindow.cpp Example File</h1> <span class="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) 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 "fsmodel.h"</span> <span class="preprocessor">#include "mainwindow.h"</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">></span>setText(tr(<span class="string">"Model"</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">></span>addItem(tr(<span class="string">"QFileSytemModel"</span>)); modelCombo<span class="operator">-</span><span class="operator">></span>addItem(tr(<span class="string">"QFileSytemModel that shows full path"</span>)); modelCombo<span class="operator">-</span><span class="operator">></span>addItem(tr(<span class="string">"Country list"</span>)); modelCombo<span class="operator">-</span><span class="operator">></span>addItem(tr(<span class="string">"Word list"</span>)); modelCombo<span class="operator">-</span><span class="operator">></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">></span>setText(tr(<span class="string">"Completion Mode"</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">></span>addItem(tr(<span class="string">"Inline"</span>)); modeCombo<span class="operator">-</span><span class="operator">></span>addItem(tr(<span class="string">"Filtered Popup"</span>)); modeCombo<span class="operator">-</span><span class="operator">></span>addItem(tr(<span class="string">"Unfiltered Popup"</span>)); modeCombo<span class="operator">-</span><span class="operator">></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">></span>setText(tr(<span class="string">"Case Sensitivity"</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">></span>addItem(tr(<span class="string">"Case Insensitive"</span>)); caseCombo<span class="operator">-</span><span class="operator">></span>addItem(tr(<span class="string">"Case Sensitive"</span>)); caseCombo<span class="operator">-</span><span class="operator">></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">></span>setText(tr(<span class="string">"Max Visible Items"</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">></span>setRange(<span class="number">3</span><span class="operator">,</span><span class="number">25</span>); maxVisibleSpinBox<span class="operator">-</span><span class="operator">></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">></span>setText(tr(<span class="string">"Wrap around completions"</span>)); wrapCheckBox<span class="operator">-</span><span class="operator">></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">></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">></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">></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">></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">></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">></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">></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">></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">></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">></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">></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">></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">></span>setLayout(layout); setCentralWidget(centralWidget); changeModel(); setWindowTitle(tr(<span class="string">"Completer"</span>)); lineEdit<span class="operator">-</span><span class="operator">></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">"Exit"</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">"About"</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">"About Qt"</span>)<span class="operator">,</span> <span class="keyword">this</span>); connect(exitAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <a href="qapplication.html#qApp">qApp</a><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> <a href="qapplication.html#qApp">qApp</a><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">></span>addMenu(tr(<span class="string">"File"</span>)); fileMenu<span class="operator">-</span><span class="operator">></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">></span>addMenu(tr(<span class="string">"About"</span>)); helpMenu<span class="operator">-</span><span class="operator">></span>addAction(aboutAct); helpMenu<span class="operator">-</span><span class="operator">></span>addAction(aboutQtAct); } <span class="type"><a href="../qtcore/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="../qtcore/qstring.html">QString</a></span><span class="operator">&</span> fileName) { <span class="type"><a href="../qtcore/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="../qtcore/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="../qtcore/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="../qtgui/qcursor.html">QCursor</a></span>(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>WaitCursor)); <span class="preprocessor">#endif</span> <span class="type"><a href="../qtcore/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="../qtcore/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"><</span><span class="operator"><</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">"countries.txt"</span>))) <span class="keyword">return</span> <span class="keyword">new</span> <span class="type"><a href="../qtcore/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="../qtgui/qstandarditemmodel.html">QStandardItemModel</a></span> <span class="operator">*</span>m <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtgui/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"><</span> words<span class="operator">.</span>count(); <span class="operator">+</span><span class="operator">+</span>i) { <span class="type"><a href="../qtcore/qmodelindex.html">QModelIndex</a></span> countryIdx <span class="operator">=</span> m<span class="operator">-</span><span class="operator">></span>index(i<span class="operator">,</span> <span class="number">0</span>); <span class="type"><a href="../qtcore/qmodelindex.html">QModelIndex</a></span> symbolIdx <span class="operator">=</span> m<span class="operator">-</span><span class="operator">></span>index(i<span class="operator">,</span> <span class="number">1</span>); <span class="type"><a href="../qtcore/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="../qtcore/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">></span>setData(countryIdx<span class="operator">,</span> country); m<span class="operator">-</span><span class="operator">></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">></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">></span>setCaseSensitivity(cs <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> 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">></span>setMaxVisibleItems(maxVisibleSpinBox<span class="operator">-</span><span class="operator">></span>value()); <span class="keyword">switch</span> (modelCombo<span class="operator">-</span><span class="operator">></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">></span>setRootPath(<span class="string">""</span>); completer<span class="operator">-</span><span class="operator">></span>setModel(fsModel); contentsLabel<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"Enter file path"</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">></span>setModel(fsModel); fsModel<span class="operator">-</span><span class="operator">></span>setRootPath(<span class="string">""</span>); contentsLabel<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"Enter file path"</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">></span>setModel(modelFromFile(<span class="string">":/resources/countries.txt"</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">></span>setPopup(treeView); treeView<span class="operator">-</span><span class="operator">></span>setRootIsDecorated(<span class="keyword">false</span>); treeView<span class="operator">-</span><span class="operator">></span>header()<span class="operator">-</span><span class="operator">></span>hide(); treeView<span class="operator">-</span><span class="operator">></span>header()<span class="operator">-</span><span class="operator">></span>setStretchLastSection(<span class="keyword">false</span>); treeView<span class="operator">-</span><span class="operator">></span>header()<span class="operator">-</span><span class="operator">></span>setSectionResizeMode(<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">></span>header()<span class="operator">-</span><span class="operator">></span>setSectionResizeMode(<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">></span>setText(tr(<span class="string">"Enter name of your country"</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">></span>setModel(modelFromFile(<span class="string">":/resources/wordlist.txt"</span>)); completer<span class="operator">-</span><span class="operator">></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">></span>setText(tr(<span class="string">"Enter a word"</span>)); } <span class="keyword">break</span>; } changeMode(modeCombo<span class="operator">-</span><span class="operator">></span>currentIndex()); changeCase(caseCombo<span class="operator">-</span><span class="operator">></span>currentIndex()); completer<span class="operator">-</span><span class="operator">></span>setWrapAround(wrapCheckBox<span class="operator">-</span><span class="operator">></span>isChecked()); lineEdit<span class="operator">-</span><span class="operator">></span>setCompleter(completer); connect(wrapCheckBox<span class="operator">,</span> SIGNAL(clicked(bool))<span class="operator">,</span> completer<span class="operator">,</span> SLOT(setWrapAround(bool))); } <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">></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">"About"</span>)<span class="operator">,</span> tr(<span class="string">"This example demonstrates the "</span> <span class="string">"different features of the QCompleter class."</span>)); } </pre> </div> <!-- @@@tools/completer/mainwindow.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>