diff options
Diffstat (limited to 'examples/quick/threading')
| -rw-r--r-- | examples/quick/threading/doc/src/threading.qdoc | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/examples/quick/threading/doc/src/threading.qdoc b/examples/quick/threading/doc/src/threading.qdoc index 1cced3b9d3..1695a2da6f 100644 --- a/examples/quick/threading/doc/src/threading.qdoc +++ b/examples/quick/threading/doc/src/threading.qdoc @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Copyright (C) 2014 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. @@ -27,23 +27,42 @@ /*! \title Qt Quick Examples - Threading \example threading - \brief This is a collection of QML Multithreading examples. + \brief This is a collection of QML multithreading examples. \image qml-threading-example.png \ingroup qtquickexamples - 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: + \e Threading is a collection of QML multithreading examples. + + \include examples-run.qdocinc + + \section1 Threaded ListModel + + \e{Threaded ListModel} contains a \l ListView and a \l ListModel. + The ListModel object is updated asynchronously in another thread, and the + results propagate back to the main thread. A timer requests updates from the + worker thread periodically: \snippet threading/threadedlistmodel/timedisplay.qml 0 - Inside the worker thread, the ListModel is synchronized once the data is finished loading: + Inside the worker thread, the ListModel is synchronized once the data is + finished loading: \snippet 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. + \section1 WorkerScript + + \e WorkerScript contains an example of using a \l 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 threading/workerscript/workerscript.qml 0 + The workerscript then is free to take a really long time to calculate it: \snippet threading/workerscript/workerscript.js 0 - When it's done, the result returns to the main scene via the WorkerScript type: + + When it's done, the result returns to the main scene via the WorkerScript + type: \snippet threading/workerscript/workerscript.qml 1 */ |