From cb961007c534b260b779ed513d33843a9dce01f4 Mon Sep 17 00:00:00 2001 From: J-P Nurmi Date: Tue, 27 Nov 2012 14:18:41 +0100 Subject: Examples: move widgets specific "tools" examples to the correct place examples/tools -> examples/widgets/tools Change-Id: I8b9e23c45e07ce5cd9da8f24a9a9f7ae10b2b107 Reviewed-by: hjk --- .../widgets/tools/customcompleter/mainwindow.cpp | 117 +++++++++++++++++++++ 1 file changed, 117 insertions(+) create mode 100644 examples/widgets/tools/customcompleter/mainwindow.cpp (limited to 'examples/widgets/tools/customcompleter/mainwindow.cpp') diff --git a/examples/widgets/tools/customcompleter/mainwindow.cpp b/examples/widgets/tools/customcompleter/mainwindow.cpp new file mode 100644 index 0000000000..702176eb1e --- /dev/null +++ b/examples/widgets/tools/customcompleter/mainwindow.cpp @@ -0,0 +1,117 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** 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 Digia Plc 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 +#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] + -- cgit v1.2.3