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A user interface markup language is a markup language that renders and describes graphical user interfaces and controls. Many of these markup languages are dialects of XML and are dependent upon a pre-existing scripting language engine, usually a JavaScript engine, for rendering of controls and extra scriptability.

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39-458: XUL ( / ˈ z uː l / ZOOL ), which stands for XML User Interface Language , is a user interface markup language developed by Mozilla . XUL is an XML dialect for writing graphical user interfaces , enabling developers to write user interface elements in a manner similar to web pages . XUL applications rely on the Mozilla codebase or a fork of it. The most prominent example

78-665: A Java Client or an Ajax Client. Scalable Vector Graphics is a markup language for graphics proposed by the W3C that can support rich graphics for web and mobile applications. While SVG is not a user interface language, it includes support for vector/raster graphics, animation, interaction with the DOM and CSS, embedded media, events and scriptability. When these features are used in combination, rich user interfaces are possible. SVG can also be superimposed upon another XML-compatible user interface markup language, such as XUL and XForms , as

117-502: A web browser . It is often combined with CSS (for styling) and JavaScript (for interactivity). Most websites in the world are built using HTML as it is the standard language supported by web browsers. XFD, which stands for X ML F orm D efinition is the user interface markup language behind STARLIMS product ( [1] ), developed by Abbott Informatics. STARLIMS product has an entire ecosystem of runtime and design time tools to run and create visual forms using XFD language. STARLIMS v10

156-490: A change in direction for Pale Moon was announced to improve website and add-on capability. This resulted in version 30, which used the Firefox GUID to improve compatibility with legacy Firefox extensions and started increased development of UXP and Goanna. A few days later, version 30 had to be recalled due to one of the developers causing issues before exiting the project, such as messing up the add-ons server. Version 31

195-517: A multiprocess architecture. Although XUL add-ons could work in this architecture, they often created significant performance issues. Because of this, Mozilla removed support for legacy add-ons , including the use of custom XUL code. Mozilla switched their browser extensions system to the cross-browser WebExtensions API, which is largely based off the Chrome extension API. In late 2017, Firefox still included 289 XUL bindings for native browser components. By

234-473: A visual tool where developers do not even need to understand the underlying markups. I3ML is a proprietary thin client Application Delivery mechanism developed by CoKinetic Systems Corp Archived 23 January 2021 at the Wayback Machine , with client support provided by a browser plugin that will render windows-like applications over an HTTP infrastructure with minimal bandwidth needs. OpenLaszlo

273-606: A year later. Pale Moon was created and is primarily maintained by one developer, M.C. Straver. Prior to version 26, Pale Moon used the same rendering engine as Firefox, known as Gecko. With version 26 in 2016, Pale Moon switched to using the Goanna rendering engine, a fork of Gecko. In 2017, the Pale Moon team began the Unified XUL Platform due to upcoming changes in the Mozilla codebase. The Basilisk web browser

312-454: Is DuckDuckGo and it uses the IP-API service instead of Google for geolocation. The browser is known to be lightweight on resource usage. Pale Moon has no telemetry or data collection. Pale Moon is built upon the Unified XUL Platform (UXP), a cross-platform, multimedia application base that was forked from Mozilla code prior to the introduction of Firefox Quantum . UXP is a fork of

351-441: Is "Your browser, Your way." There are official releases for Microsoft Windows , FreeBSD , macOS , and Linux . Pale Moon originated as a fork of Firefox , but has subsequently diverged. The main differences are the user interface , add-on support, and running in single- process mode. Pale Moon retains the user interface of Firefox from versions 4 to 28 and supports legacy Firefox add-ons. Pale Moon's default user interface

390-692: Is a runtime environment that comprises a runtime environment and an interface definition language (Laszlo XML - LZX). LZX is a declarative user interface language which defines the widgets, application layout and scripting elements (using JavaScript) to create your application. LZX is runtime agnostic with the currently supported runtime being within Macromedia/Adobe Flash. An experimental runtime called Laszlo "Legals" that will allow OpenLaszlo (LZX) applications run in multiple runtime environments, such as DHTML/AJAX. H ierarchical M odel V iew C ontroller U ser I nterface L anguage ( HMVCUL )

429-422: Is a universal, declarative , multiple abstraction level , XML -based language for modelling interactive applications in ubiquitous environments. FXML is a XML -based language for defining the user interface of JavaFX applications. Other markup languages incorporated into existing frameworks are: Apple's Interface Builder .xib format Some of these are compiled into binary forms. In avionics ,

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468-473: Is an XML markup user interface language which supports the creation and chaining of atomic MVC triad components used in constructing HMVC GUI applications. The associated runtime provides methods which enable configuration of properties, data binding and events of each of the MVC triad elements (widget, controller, model). The runtime accomplishes this by mapping XML elements defined in an HMVCUL file to objects inside

507-473: Is an XML-based markup language used for building Apache Pivot applications. Though it is most commonly used for defining the structure of an application's user interface, it can be used to declaratively construct any type of Java object hierarchy. eXtensible Application Language is the Markup language of Nexaweb's Enterprise Web 2.0 Suite. Developers can use this language to define applications that will run as

546-536: Is an XML-compliant markup language that describes the UI for multiple contexts of use such as Character User Interfaces (CUIs), Graphical User Interfaces (GUIs), Auditory User Interfaces, and Multimodal User Interfaces. In other words, interactive applications with different types of interaction techniques, modalities of use, and computing platforms can be described in a way that preserves the design independently from peculiar characteristics of physical computing platform. WTKX

585-567: Is assigned to an element by setting the CSS property -moz-binding to the URL of the binding's file. For example: This example shows three buttons stacked on top of each other in a vertical box container: XUL contains a reference to the 1984 film Ghostbusters . The film's antagonist is the fictional deity Zuul, the Gatekeeper. Zuul possesses the character Dana Barrett and declares: "There

624-447: Is at least 1 GB of RAM. OS X Lion and above on Apple–Intel architecture and macOS Big Sur and above on Apple silicon processors are supported. FreeBSD 13.0 and above are also supported. Previously, Windows XP and Vista were supported, but are no longer supported from versions 27 and 28 onward, respectively. An Android build was developed in 2014 but was cancelled by the developer due to lack of community involvement

663-463: Is more ambitious than that of most user interface markup languages, since program logic and styles are also embedded in the XAML document. Functionally, it can be seen as a combination of XUL, SVG, CSS, and JavaScript into a single XML schema. Some people are critical of this design, as many standards (such as those already listed) exist for doing these things. However, it is expected to be developed with

702-483: Is no Dana. There is only Zuul." The creators of XUL, pronounced the same as Zuul, made the slogan, "There is no data. There is only XUL!". The slogan and Zuul as a gatekeeper are referenced in XUL's XML namespace URI and were previously present in all Firefox add-ons: http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul User interface markup language The concept of the user interface markup languages

741-719: Is powered by an XFD runtime developed using Microsoft .NET Framework and hosted in Internet Explorer browser. STARLIMS v11 introduces an additional XFD engine based on a server-side transformation engine that transforms the XFD into HTML5 compatible data designed to run on any HTML5 compliant browser. XFD is programmable in JavaScript based language. QML is a cross-platform markup language for creating hardware-accelerated OpenGL-powered user interfaces for devices ranging from mobile to desktop. QML interfaces are manipulated using

780-602: Is primarily based upon the desire to prevent the " re-invention of the wheel " in the design, development and function of a user interface; such re-invention comes in the form of coding a script for the entire user interface. The typical user interface markup language solidifies often re-used program or script code in the form of markup, making it easier to focus upon design of a user interface in an understandable dialect as opposed to focus on function. User interface markup languages, like most markup and programming languages, rely upon sub-application runtimes to interpret and render

819-562: Is the Firefox web browser. However, Mozilla has significantly reduced the usage of XUL in Firefox after their rewrite of the browser engine in version 57. This resulted in the removal of the legacy add-on system, which relied on XUL and XPCOM , another cross-platform technology Mozilla decided to deprecate shortly before the release of Firefox 57. Firefox originally permitted add-ons to extensively alter its user interface, but this capability

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858-494: Is the one that was used by Firefox from versions 4 to 28, known as Strata. It always runs in single process mode and uses a rendering engine known as Goanna . The browser has its own set of extensions and supports legacy Firefox add-ons built with XUL and XPCOM , which Firefox dropped support for. NPAPI plugins are also supported. The browser's entire user interface can be customized by complete themes and lightweight themes are also available. Pale Moon's default search engine

897-553: The ARINC 661 standard prescribes a binary format to define user interfaces in glass cockpits . Borland VCL forms (.dfm and .lfm) are text files describing the windows of Delphi and Lazarus applications. They are compiled into the final executable in binary format, and use RTTI to function. Pale Moon Pale Moon is a free and open-source web browser licensed under the MPL-2.0 with an emphasis on customization. Its motto

936-550: The Mozilla codebase (or a fork of it) because the Gecko (or Goanna ) engine does the XUL rendering. Application programmers need to define a XUL interface as three discrete sets of components: XUL defines a wide range of elements, which roughly belong to the following types: The default behavior of XUL widgets can be altered with XBL bindings. XML Binding Language ( XBL ) is an XML -based markup language for altering

975-415: The Firefox 52 ESR platform that was created in 2017 due to XUL/XPCOM support being removed from the Firefox codebase. It includes the Goanna layout and rendering engine, a fork of Mozilla's Gecko engine. Moonchild Productions develops UXP independently alongside Pale Moon. Windows 7 SP1 and above are supported, along with any modern Linux distribution as long as the processors support SSE2 and there

1014-533: The Firefox Quantum codebase, and the suite's development has subsequently slowed. The Pale Moon developers forked Mozilla's entire Firefox 52 ESR codebase to create the Unified XUL Platform (UXP) for their Goanna rendering engine. UXP maintains the traditional XUL capabilities. As a result, Pale Moon and other UXP applications have remained single-process but more extensible compared to modern versions of Firefox and Thunderbird. XUL can only be used with

1053-654: The JavaScript language. QML is part of the Qt software framework . MXML is the XML-based user interface markup language introduced by Macromedia in March 2004. It is now part of the open-source ( http://opensource.adobe.com ) Adobe Flex SDK version 4. MXML files compile into Flash SWF via the Flex SDK, and are rendered either on the internet browser, via Adobe Flash plug-in, or as stand-alone cross-platform applications, via

1092-597: The Wasabi SDK . The root element in WasabiXML is <WasabiXML> (for Winamp skins, it is also <WinampAbstractionLayer> ). The <skininfo> element shows the information for a skin. The graphical interface is held by the <container> element and the basic viewable GUI element is <layout> . Following is an example for a simple GUI with a button element: WasabiXML supports many GUI elements including: <groupdef> allows

1131-420: The behavior of a XUL widget , such as a scroll bar . An XBL file contains bindings , each of which describes the behavior of a XUL widget. The root element of an XBL file is the <bindings> element, which contains one or more <binding> elements. Each <binding> element declares one binding, which can be attached to any XUL element. It may also possess an id attribute. A binding

1170-409: The developer to define a group of GUI objects which can be re-used anywhere in the skin. Wasabi also supports XUI's which are nothing but <groups> powered by a MAKI script allowing developers to create GUI components (widgets) of their own adding to modularity. WasabiXML has an XML namespace 'Wasabi::' which defines common GUI's without having the need to declare their image paths. MARIA

1209-663: The early 2000s, there was some interest in using XUL by other parties, including Amazon , but those have switched over to HTML5 . Many of the features of modern web technologies such as HTML5, CSS3, ECMAScript 5+, WebGL, and WebAssembly that made rich and modern web applications possible, without the need of utilizing legacy NPAPI / PPAPI / ActiveX browser plug-in technologies like Adobe Flash , Silverlight , Java , or Shockwave , also made much of XUL redundant. Mozilla released Firefox 57, also known as Firefox Quantum, in November 2017. As part of this, Firefox finished transitioning to

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1248-412: The end of 2019, Mozilla had removed all XUL files from their mozilla-central repository. When Mozilla removed support from Firefox, there were still several applications using XUL. Mozilla began gradually removing XUL support from their email client, Thunderbird . They released Thunderbird 78 without support for XUL-based extensions in 2020. The SeaMonkey internet suite chose to re-implement XUL for

1287-542: The framework, attributes to properties or to events. Chaining is accomplished by following the tree structure described inside the HMVCUL file. WasabiXML is an XML markup language that is used to define the graphical interface in Wasabi powered applications. It is most commonly used with Winamp for making Winamp skins . WasabiXML had been developed by Nullsoft for Winamp, but it is also usable with other applications with

1326-556: The graphics-rich portion of a user interface. TUIX is an XML based markup language for defining user interfaces in Tribiq CMS. Developers can define both the appearance of the interfaces and their interactions. The TUIX files from different Plugins are merged before rendering facilitating easy modification of existing interfaces and addition of new functionality. XAML is a markup system that underlies user interface components of Microsoft's .NET Framework 3.0 and above. Its scope

1365-427: The markup code as program code that can be processed and put out in the desired form. In XML-based user interface markup languages, the markup is usually interpreted and represented as a tree of nodes that may be manipulated at runtime by the application's code or dynamically loaded user script . HTML which stands for H yper T ext M arkup L anguage is a markup language used for building web pages to be displayed in

1404-555: The open-source Adobe AIR SDK. OASIS UIML is an XML-based standard user interface markup languages. It is an open standard where implementation is not restricted to a single vendor. The primary interface language of Mozilla Foundation products is XUL . XUL documents are rendered by the Gecko engine, which also renders XHTML and SVG documents. It cooperates with many existing standards and technologies, including CSS , JavaScript , DTD and RDF . UsiXML (which stands for Us er I nterface E x tensible M arkup L anguage)

1443-402: Was developed to serve as a "reference application" for development before Pale Moon switched over to using it. In 2019, hackers breached a Pale Moon archive server and infected the older installers with malware; then-current Pale Moon releases were not affected. The breach took place between April and June, and the affected server was taken down on July 9 when it was discovered. In 2022,

1482-643: Was devised at Netscape in 1997 as part of the development effort that eventually became the Mozilla codebase . XUL is similar to web technologies implemented by the Gecko rendering engine. When XUL was introduced, it added features beyond the then standard HTML 4 . It was designed as an extension of HTML to be used with applications rather than documents. XUL was used by various Mozilla projects, forks of Mozilla projects, and projects closely related to Mozilla. Some software projects such as Songbird , Komodo IDE , and Zotero started as desktop applications that utilized XULRunner to render and compose their UI. In

1521-503: Was removed in 2017 and replaced with the less-permissive WebExtensions API . Several forks of Firefox retain support for XUL and XPCOM-based add-ons. Waterfox maintains a fork of the legacy Mozilla codebase for the Waterfox Classic browser. The Pale Moon browser, Basilisk browser, Hyperbola operating system, and numerous smaller projects collectively use and maintain the Unified XUL Platform (UXP) implementation. XUL

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