cb961007c5
examples/tools -> examples/widgets/tools Change-Id: I8b9e23c45e07ce5cd9da8f24a9a9f7ae10b2b107 Reviewed-by: hjk <qthjk@ovi.com>
118 lines
4.0 KiB
C++
118 lines
4.0 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
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** of its contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtWidgets>
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#include "mainwindow.h"
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#include "textedit.h"
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//! [0]
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MainWindow::MainWindow(QWidget *parent)
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: QMainWindow(parent), completer(0)
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{
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createMenu();
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completingTextEdit = new TextEdit;
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completer = new QCompleter(this);
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completer->setModel(modelFromFile(":/resources/wordlist.txt"));
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completer->setModelSorting(QCompleter::CaseInsensitivelySortedModel);
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completer->setCaseSensitivity(Qt::CaseInsensitive);
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completer->setWrapAround(false);
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completingTextEdit->setCompleter(completer);
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setCentralWidget(completingTextEdit);
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resize(500, 300);
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setWindowTitle(tr("Completer"));
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}
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//! [0]
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//! [1]
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void MainWindow::createMenu()
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{
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QAction *exitAction = new QAction(tr("Exit"), this);
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QAction *aboutAct = new QAction(tr("About"), this);
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QAction *aboutQtAct = new QAction(tr("About Qt"), this);
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connect(exitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
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connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));
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connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
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QMenu* fileMenu = menuBar()->addMenu(tr("File"));
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fileMenu->addAction(exitAction);
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QMenu* helpMenu = menuBar()->addMenu(tr("About"));
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helpMenu->addAction(aboutAct);
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helpMenu->addAction(aboutQtAct);
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}
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//! [1]
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//! [2]
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QAbstractItemModel *MainWindow::modelFromFile(const QString& fileName)
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{
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QFile file(fileName);
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if (!file.open(QFile::ReadOnly))
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return new QStringListModel(completer);
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#ifndef QT_NO_CURSOR
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QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
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#endif
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QStringList words;
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while (!file.atEnd()) {
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QByteArray line = file.readLine();
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if (!line.isEmpty())
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words << line.trimmed();
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}
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#ifndef QT_NO_CURSOR
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QApplication::restoreOverrideCursor();
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#endif
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return new QStringListModel(words, completer);
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}
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//! [2]
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//! [3]
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void MainWindow::about()
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{
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QMessageBox::about(this, tr("About"), tr("This example demonstrates the "
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"different features of the QCompleter class."));
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}
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//! [3]
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