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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** 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 Nokia Corporation and its Subsidiary(-ies) 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."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#include "mainwindow.h"
+#include "textedit.h"
+
+//! [0]
+MainWindow::MainWindow(QWidget *parent)
+ : QMainWindow(parent), completer(0)
+{
+ createMenu();
+
+ completingTextEdit = new TextEdit;
+ completer = new QCompleter(this);
+ completer->setModel(modelFromFile(":/resources/wordlist.txt"));
+ completer->setModelSorting(QCompleter::CaseInsensitivelySortedModel);
+ completer->setCaseSensitivity(Qt::CaseInsensitive);
+ completer->setWrapAround(false);
+ completingTextEdit->setCompleter(completer);
+
+ setCentralWidget(completingTextEdit);
+ resize(500, 300);
+ setWindowTitle(tr("Completer"));
+}
+//! [0]
+
+//! [1]
+void MainWindow::createMenu()
+{
+ QAction *exitAction = new QAction(tr("Exit"), this);
+ QAction *aboutAct = new QAction(tr("About"), this);
+ QAction *aboutQtAct = new QAction(tr("About Qt"), this);
+
+ connect(exitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
+ connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));
+ connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
+
+ QMenu* fileMenu = menuBar()->addMenu(tr("File"));
+ fileMenu->addAction(exitAction);
+
+ QMenu* helpMenu = menuBar()->addMenu(tr("About"));
+ helpMenu->addAction(aboutAct);
+ helpMenu->addAction(aboutQtAct);
+}
+//! [1]
+
+//! [2]
+QAbstractItemModel *MainWindow::modelFromFile(const QString& fileName)
+{
+ QFile file(fileName);
+ if (!file.open(QFile::ReadOnly))
+ return new QStringListModel(completer);
+
+#ifndef QT_NO_CURSOR
+ QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
+#endif
+ QStringList words;
+
+ while (!file.atEnd()) {
+ QByteArray line = file.readLine();
+ if (!line.isEmpty())
+ words << line.trimmed();
+ }
+
+#ifndef QT_NO_CURSOR
+ QApplication::restoreOverrideCursor();
+#endif
+ return new QStringListModel(words, completer);
+}
+//! [2]
+
+//! [3]
+void MainWindow::about()
+{
+ QMessageBox::about(this, tr("About"), tr("This example demonstrates the "
+ "different features of the QCompleter class."));
+}
+//! [3]
+