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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:FDL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Free Documentation License Usage
** Alternatively, this file may be used under the terms of the GNU Free
** Documentation License version 1.3 as published by the Free Software
** Foundation and appearing in the file included in the packaging of
** this file. Please review the following information to ensure
** the GNU Free Documentation License version 1.3 requirements
** will be met: http://www.gnu.org/copyleft/fdl.html.
** $QT_END_LICENSE$
**
****************************************************************************/
/*!
\title QtQuick Examples - Threading
\example quick/threading
\brief This is a collection of QML Multithreading examples.
\image qml-threading-example.png
Threaded ListModel contains a ListView and a ListModel. The ListModel is updated asynchronusly in another thread, and the results propagate back to the main thread.
A timer requests updates from the worker thread periodically:
\snippet quick/threading/threadedlistmodel/timedisplay.qml 0
Inside the worker thread, the ListModel is synchronized once the data is finished loading:
\snippet quick/threading/threadedlistmodel/dataloader.js 0
WorkerScript contains an example of using a WorkerScript to offload expensive calculations into another thread. This keeps the UI from being blocked. This example calculates numbers in Pascal's Triangle, and not in a very optimal way, so it will often take several seconds to complete the calculation. By doing this in a WorkerScript in another thread, the UI is not blocked during this time.
When the UI needs another value, a request is sent to the WorkerScript:
\snippet quick/threading/workerscript/workerscript.qml 0
The workerscript then is free to take a really long time to calculate it:
\snippet quick/threading/workerscript/workerscript.js 0
When it's done, the result returns to the main scene via the WorkerScript element:
\snippet quick/threading/workerscript/workerscript.qml 1
*/
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