QtScript: Difference between revisions

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{{Short description|Scripting engine}}

'''QtScript''' is a scripting engine that has been part of the [[Qt (frameworksoftware)|Qt]] [[Cross-platform software|cross-platform]] [[application framework]] since version 4.3.0. It was first deprecated as of Qt 5.5, then dropped as of Qt 6.5, and replaced by Qt Meta-object Language ([[QML]]).

The [[scripting language]] is based on the [[ECMAScript]] standard with a few extensions, such as QObject-style signal and slot connections.<ref>{{cite web |url=http://doc.trolltech.com/4.6/scripting.html#ecmascript-compatibility |title=Making Applications Scriptable: ECMAScript Compatibility |work=Qt 4.6 |publisher=Nokia |accessdateaccess-date=5 September 2011 |url-status=dead |archive-url=https://web.archive.org/web/20100928053842/http://doc.trolltech.com/4.6/scripting.html#ecmascript-compatibility |archive-date=2010-09-28}}</ref> The library contains the engine, and a [[C++]] application programming interface ([[API]]) for evaluating QtScript code and exposing custom QObject-derived C++ classes to QtScript.

The QtScript Binding Generator<ref>[{{cite web |url=http://qt.gitorious.org/qt-labs/qtscriptgenerator |title=QtScript Generator] |url-status=dead |archive-url=https://web.archive.org/web/20111228033225/http://qt.gitorious.org/qt-labs/qtscriptgenerator |archive-date=2011-12-28}}</ref> provides bindings for the Qt API to access directly from ECMAScript.{{clarify|post-text=update needed?|date=September 2011}} QtScript and the binding generator are used for [[Amarok (software)|Amarok]] 2's scripting system.

The QtScript version as of Qt 4.7 in 2011 uses [[JavaScriptCore]] but was developed no further. The module was deprecated as of Qt 5.5 in April 2015.<ref>{{cite web |url=http://wiki.qt.io/New-Features-in-Qt-5.5#Deprecated_Functionality |title=New Features in Qt 5.5 |publisher=Qt Company |access-date=15 April 2015}}</ref>

The current (as of Qt 4.7) implementation uses [[JavaScriptCore]].

== Qt Script for Applications (QSA) ==

An earlier and unrelated scripting engine, callednamed '''Qt Script for Applications''' (QSA), was shipped by Trolltech as a separate Qt-based library, dual-licensed under [[GNU General Public License|GPL]] (GPL) and a commercial license.

With the release of QtScript, QSA has been deprecated and reached its end of life in 2008.<ref>{{cite web |last=Hansen |first=Kent |date=5 January 2007 |url=http://labsblog.qt.nokiadigia.com/blog/2007/01/05/say-hello-to-qtscript/ |title=Say hello to QtScript! |work=Qt Labs: Developer Blogs |publisher=Nokia |accessdateaccess-date=23 November 2013 |url-status=dead |archive-url=https://web.archive.org/web/20131202231949/http://blog.qt.digia.com/blog/2007/01/05/say-hello-to-qtscript/ |archive-date=52 SeptemberDecember 20112013}}</ref>

== References ==

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== External links ==

* [http://doc.qt.digia.comio/qt-4.8/scripting.html Qt: Making applications scriptable]

* [http://doc.qt.digia.comio/qt-4.8/qtscript.html QtScript module]{{Dead link|date=September 2018 |bot=InternetArchiveBot |fix-attempted=yes}}

* [https://web.archive.org/web/20160119132226/http://doc.trolltechqt.digia.com/qsa-1.2.2/ QSA documentation (version 1.2.2)]{{dead link|date=January 2013}}

* [httphttps://web.archive.org/web/20080106190612/http://trolltech.com/products/qt/addon/qsa Last working snapshot of QSA homepage from archive.org]{{dead link|date=September 2011}}

* [http://get.qtsoftware.com/qsa/source/ QSA download directory]{{dead link|date=September 2011}}

{{Qt platform}}

{{ECMAScript}}

[[Category:Qt (framework)]]

[[Category:Free computer libraries]]

[[Category:JavaScript dialect engines]]

[[Category:Qt (frameworksoftware)]]