Micron Document
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<span id="openzim-page-title" class="mw-page-title-main"><span class="mw-page-title-main">FLUID</span></span>
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</style><table class="infobox vevent"><tbody><tr><th colspan="2" class="infobox-above summary">FLUID</th></tr><tr><td colspan="2" class="infobox-image logo"><div class="infobox-caption">FLUID's code view window shows how the C++ output would look like if written on the disk.</div></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="Software_categories#Categorization_approaches" title="Software categories">Type</a></th><td class="infobox-data"><style data-mw-deduplicate="TemplateStyles:r1126788409">
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</style><div class="plainlist"><ul><li><a href="Graphical_user_interface_builder" title="Graphical user interface builder">GUI builder</a></li><li><a href="Linux_on_the_desktop" class="mw-redirect" title="Linux on the desktop">Linux on the desktop</a></li><li><a href="Human_interface_guidelines" title="Human interface guidelines">Human interface guidelines</a></li></ul></div></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="Software_license" title="Software license">License</a></th><td class="infobox-data"><a href="GNU_Lesser_General_Public_Licence" class="mw-redirect" title="GNU Lesser General Public Licence">GNU Lesser General Public Licence</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="http://www.fltk.org">www<wbr>.fltk<wbr>.org</a></span></td></tr></tbody></table>

<p><b>FLUID</b> (<b>F</b>ast <b>L</b>ight <b>U</b>ser <b>I</b>nterface <b>D</b>esigner) is a graphical editor and <a href="Graphical_user_interface_builder" title="Graphical user interface builder">GUI builder</a> that is used to produce <a href="FLTK" title="FLTK">FLTK</a> <a href="Source_code" title="Source code">source code</a>. FLUID edits and saves its state in text .fl files, which can be edited in a text editor for finer control over display and behavior.<sup id="cite_ref-intro_1-0" class="reference"><a href="#cite_note-intro-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</p><p>After designing the application, FLUID compiles the .fl file into a .cxx file, which defines all the objects from the .fl file, and an <a href="Header_file" class="mw-redirect" title="Header file">.h file</a>, which declares all the global ones.<sup id="cite_ref-compiling_2-0" class="reference"><a href="#cite_note-compiling-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> FLUID also supports <a href="Internationalization_and_localization" title="Internationalization and localization">localization</a> of label strings using message files and the <a href="GNU" title="GNU">GNU</a> <a href="Gettext" title="Gettext">gettext</a> or <a href="POSIX" title="POSIX">POSIX</a> catgets interfaces.<sup id="cite_ref-internationalization_3-0" class="reference"><a href="#cite_note-internationalization-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>
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<p>A simple program can be made by putting all non-interface code (including a <code>main</code> function) into the .fl file, thus making the .cxx file a single source file to compile. Most programs are more complex than this, so other .cxx files can be written that call the FLUID functions. These .cxx files must <code>#include</code> the .h file, or they can #include the .cxx file so it still appears to be a single source file.
</p><p>Normally the FLUID file defines one or more functions or classes, which output <a href="C%2B%2B" title="C++">C++</a> code. Each function defines one or more FLTK windows, and all the widgets that go inside those windows.
</p><p>Widgets created by FLUID are "named", "complex named", or "unnamed". A named widget has a legal C++ variable identifier as its name (i.e. only alphanumeric and underscore), and is defined by a global variable or class member that will point at the widget after the function defining it is called. A complex named object has punctuation such as '.' or '-&gt;' or any other symbols in its name. In this case, FLUID assigns a pointer to the widget to the name, but does not attempt to declare it. This can be used to get the widgets into structures. An unnamed widget has a blank name and no pointer is stored.
</p><p>Widgets may either call a named callback function that one writes in another source file, or one can supply a small piece of C++ source and FLUID will write a private <a href="Callback_(computer_science)" class="mw-redirect" title="Callback (computer science)">callback</a> function into the .cxx file.
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<div class="mw-heading mw-heading2"><h2 id="Code_View_window">Code View window</h2></div>
<p>While editing the program FLUID the user can look at the Code View window which shows exactly how the <a href="C%2B%2B" title="C++">C++</a> output of the program would look. The Code View window supports auto refreshing (when something in the program is changed, Code View will automatically change the <a href="Source_code" title="Source code">source code</a> being shown) which can be disabled by the user. It won't let the user change the code being shown through it. Code View is part of FLUID and is not automatically shown on startup. It can be enabled through FLUID's menu.
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<div class="mw-heading mw-heading2"><h2 id="Widget_bin_window">Widget bin window</h2></div>

<div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2></div>
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<ul><li><a href="Glade_Interface_Designer" title="Glade Interface Designer">Glade Interface Designer</a></li>
<li><a href="Qt_Creator" title="Qt Creator">Qt Creator</a></li>
<li><a href="Rapid_application_development" title="Rapid application development">Rapid application development</a></li>
<li><a href="Linux_on_the_desktop" class="mw-redirect" title="Linux on the desktop">Linux on the desktop</a></li></ul>
<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>
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<div class="mw-references-wrap"><ol class="references">
<li id="cite_note-intro-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-intro_1-0">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.fltk.org/doc-1.3/fluid.html">Reference</a>, from the FLTK documentation</span>
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<li id="cite_note-compiling-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-compiling_2-0">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.fltk.org/doc-1.3/fluid.html#fluid_compiling_fl_files">FLTK 1.3.3: Programming with FLUID</a>, from the FLTK manual.</span>
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<li id="cite_note-internationalization-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-internationalization_3-0">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.fltk.org/doc-1.3/fluid.html#fluid_i18n">fltk.org/doc-1.3/fluid.html#fluid_i18n FLTK 1.3.3: Programming with FLUID</a>, FLTK manual</span>
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<ul><li><span class="official-website"><span class="url"><a rel="nofollow" class="external text" href="https://www.fltk.org">Official website</a></span></span> </li></ul>
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</style><div id="Graphical_user_interface_builders291" style="font-size:114%;margin:0 4em"><a href="Graphical_user_interface_builder" title="Graphical user interface builder">Graphical user interface builders</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Qt_(software)" title="Qt (software)">Qt</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Open_source36" scope="row" class="navbox-group" style="width:1%"><a href="Open-source_software" title="Open-source software">Open source</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Qt_Creator" title="Qt Creator">Qt Creator</a></li>
<li><a href="KDevelop" title="KDevelop">KDevelop</a></li>
<li><a href="Gambas" title="Gambas">Gambas</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="GTK" title="GTK">GTK</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Open-source_software" title="Open-source software">Open source</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Glade_Interface_Designer" title="Glade Interface Designer">Glade Interface Designer</a></li>
<li><a href="Gambas" title="Gambas">Gambas</a></li>
<li><a href="MonoDevelop" title="MonoDevelop">Stetic GUI Designer</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Proprietary_software" title="Proprietary software">Proprietary</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Xojo" title="Xojo">Xojo</a> (on <a href="Linux" title="Linux">Linux</a>)</li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="WxWidgets" title="WxWidgets">wxWidgets</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Open_source36" scope="row" class="navbox-group" style="width:1%"><a href="Open-source_software" title="Open-source software">Open source</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Code%3A%3ABlocks" title="Code::Blocks">Code::Blocks</a></li>
<li><a href="CodeLite" title="CodeLite">CodeLite</a></li>
<li><a href="Glade_Interface_Designer" title="Glade Interface Designer">wxGlade</a></li>
<li><a href="WxFormBuilder" title="WxFormBuilder">wxFormBuilder</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Common_Language_Infrastructure" title="Common Language Infrastructure">CLI</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Open-source_software" title="Open-source software">Open source</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="SharpDevelop" title="SharpDevelop">SharpDevelop</a></li>
<li><a href="PascalABC.NET" title="PascalABC.NET">PascalABC.NET</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Proprietary_software" title="Proprietary software">Proprietary</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Microsoft_Visual_Studio" class="mw-redirect" title="Microsoft Visual Studio">Microsoft Visual Studio</a></li>
<li><a href="Microsoft_Blend" title="Microsoft Blend">Microsoft Blend</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Visual_Component_Library" title="Visual Component Library">VCL</a>,<br><a href="Visual_Component_Library#Related_frameworks" title="Visual Component Library">related</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Open-source_software" title="Open-source software">Open source</a>, <a href="Lazarus_Component_Library" title="Lazarus Component Library">LCL</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Lazarus_(IDE)" class="mw-redirect" title="Lazarus (IDE)">Lazarus</a></li>
<li><a href="FreeBASIC" title="FreeBASIC">Visual FB Editor</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Proprietary_software" title="Proprietary software">Proprietary</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Delphi_(software)" title="Delphi (software)">Delphi</a></li>
<li><a href="C%2B%2BBuilder" title="C++Builder">C++Builder</a></li>
<li><a href="RadPHP" class="mw-redirect" title="RadPHP">RadPHP</a></li>
<li><a href="Borland_Kylix" title="Borland Kylix">Borland Kylix</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Cocoa_(API)" title="Cocoa (API)">Cocoa</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Proprietary36" scope="row" class="navbox-group" style="width:1%"><a href="Proprietary_software" title="Proprietary software">Proprietary</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Xcode" title="Xcode">Xcode</a>, <a href="Interface_Builder" title="Interface Builder">Interface Builder</a></li>
<li><a href="Xojo" title="Xojo">Xojo</a> (on <a href="MacOS" title="MacOS">macOS</a>)</li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Java_(programming_language)" title="Java (programming language)">Java</a>-based</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Open-source_software" title="Open-source software">Open source</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Android_Studio" title="Android Studio">Android Studio</a> (via <a href="XML" title="XML">XML</a>)</li>
<li><a href="Eclipse_(software)" title="Eclipse (software)">Eclipse</a> (via <a href="Standard_Widget_Toolkit" title="Standard Widget Toolkit">SWT</a>)</li>
<li><a href="NetBeans#GUI_design_tool" title="NetBeans">NetBeans</a> (via <a href="Swing_(Java)" title="Swing (Java)">Swing</a>)</li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Proprietary_software" title="Proprietary software">Proprietary</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="IntelliJ_IDEA" title="IntelliJ IDEA">IntelliJ IDEA</a></li>
<li><a href="JDeveloper" title="JDeveloper">JDeveloper</a> (via <a href="Swing_(Java)" title="Swing (Java)">Swing</a>)</li>
<li><a href="WaveMaker" title="WaveMaker">WaveMaker</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Windows_API" title="Windows API">Windows API</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Open-source_software" title="Open-source software">Open source</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li>GNAVI</li>
<li><a href="FreeBASIC" title="FreeBASIC">WinFBE</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Proprietary_software" title="Proprietary software">Proprietary</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="CA-Realizer" title="CA-Realizer">CA-Realizer</a></li>
<li><a href="Visual_Basic_(classic)" title="Visual Basic (classic)">Visual Basic</a></li>
<li><a href="Xojo" title="Xojo">Xojo</a> (for <a href="Microsoft_Windows" title="Microsoft Windows">Windows</a>)</li>
<li><a href="RapidQ" title="RapidQ">RapidQ</a></li>
<li><a href="Liberty_BASIC" title="Liberty BASIC">Liberty BASIC</a></li>
<li><a href="PureBasic" title="PureBasic">PureBasic</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Open-source_software" title="Open-source software">Open source</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul>
<li><a href="Gorm_(computing)" class="mw-redirect" title="Gorm (computing)">Gorm</a></li>
<li><a href="IUP_(software)" title="IUP (software)">IUP</a></li>
<li><a href="QB64" title="QB64">InForm</a></li>
<li><a href="Morphic_(software)" title="Morphic (software)">Morphic</a></li>
<li><a href="Ultimate%2B%2B" title="Ultimate++">TheIDE</a></li>
<li><a href="XBasic" title="XBasic">XBasic</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Proprietary_software" title="Proprietary software">Proprietary</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Axure_RP" title="Axure RP">Axure RP</a></li>
<li><a href="Clarion_(programming_language)" title="Clarion (programming language)">Clarion IDE</a></li>
<li><a href="JUCE" title="JUCE">Projucer</a></li>
<li><a href="XVT" title="XVT">XVT</a> Design</li>
<li><a href="Resource_construction_set" title="Resource construction set">Resource construction set</a></li>
<li><a href="LANSA_(development_environment)" title="LANSA (development environment)">LANSA</a></li>
<li><a href="Softwell_Maker" title="Softwell Maker">Softwell Maker</a></li>
<li><a href="Embedded_Wizard" title="Embedded Wizard">Embedded Wizard</a></li>
<li><a href="OutSystems" title="OutSystems">OutSystems</a></li>
<li><a href="Mendix" title="Mendix">Mendix</a></li>
<li><a href="Topincs" title="Topincs">Topincs</a></li>
<li><a href="PowerBuilder" title="PowerBuilder">PowerBuilder</a></li>
<li><a href="NS_Basic" title="NS Basic">AppStudio</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr></tbody></table></div>
<div class="navbox-styles"></div><div role="navigation" class="navbox" aria-labelledby="List_of_widget_toolkits573" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="List_of_widget_toolkits573" style="font-size:114%;margin:0 4em"><a href="List_of_widget_toolkits" title="List of widget toolkits">List</a> of <a href="Widget_toolkit" title="Widget toolkit">widget toolkits</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"><b>Low-level platform-specific</b></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">On <a href="AmigaOS" title="AmigaOS">AmigaOS</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Intuition_(Amiga)" title="Intuition (Amiga)">Intuition</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">On <a href="Classic_Mac_OS" title="Classic Mac OS">Classic Mac OS</a>, <a href="MacOS" title="MacOS">macOS</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Macintosh_Toolbox" title="Macintosh Toolbox">Macintosh Toolbox</a></li>
<li><a href="Carbon_(API)" title="Carbon (API)">Carbon</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">On <a href="Microsoft_Windows" title="Microsoft Windows">Windows</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Windows_API" title="Windows API">Windows API</a></li>
<li><a href="Universal_Windows_Platform" title="Universal Windows Platform">UWP</a>
<ul><li><a href="Windows_Runtime" title="Windows Runtime">WinRT</a></li></ul></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">On <a href="Unix" title="Unix">Unix</a>,<br>under <a href="X_Window_System" title="X Window System">X11</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Xlib" title="Xlib">Xlib</a></li>
<li><a href="XCB" title="XCB">XCB</a></li>
<li><a href="X_Toolkit_Intrinsics" title="X Toolkit Intrinsics">X Toolkit Intrinsics</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">On <a href="BeOS" title="BeOS">BeOS</a>, <a href="Haiku_(operating_system)" title="Haiku (operating system)">Haiku</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="BeOS_API" class="mw-redirect" title="BeOS API">BeOS API</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">On <a href="Android_(operating_system)" title="Android (operating system)">Android</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="CLI38" scope="row" class="navbox-group" style="width:1%"><a href="Common_Language_Infrastructure" title="Common Language Infrastructure">CLI</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Mono_(software)#Xamarin.Android" title="Mono (software)">Xamarin.Android</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"><b>Low Level Cross-platform</b></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Common_Language_Infrastructure" title="Common Language Infrastructure">CLI</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="OpenTK" title="OpenTK">OpenTK</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="C_(programming_language)" title="C (programming language)">C</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="GDK" title="GDK">GDK</a></li>
<li><a href="Simple_DirectMedia_Layer" title="Simple DirectMedia Layer">Simple DirectMedia Layer</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Java_(programming_language)" title="Java (programming language)">Java</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Java_OpenGL" title="Java OpenGL">JOGL</a></li>
<li><a href="Lightweight_Java_Game_Library" class="mw-redirect" title="Lightweight Java Game Library">LWJGL</a></li></ul>
</div></td></tr><tr><td colspan="2" class="navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"><b>High-level, platform-specific</b></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">On <a href="AmigaOS" title="AmigaOS">AmigaOS</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="BOOPSI" title="BOOPSI">BOOPSI</a></li>
<li><a href="Magic_User_Interface" title="Magic User Interface">MUI</a></li>
<li><a href="ReAction_GUI" title="ReAction GUI">ReAction GUI</a></li>
<li><a href="Zune_(widget_toolkit)" title="Zune (widget toolkit)">Zune</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">On <a href="Classic_Mac_OS" title="Classic Mac OS">Classic Mac OS</a>, <a href="MacOS" title="MacOS">macOS</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Object_Pascal" title="Object Pascal">Object Pascal</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="MacApp" title="MacApp">MacApp</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Objective-C" title="Objective-C">Objective-C</a>, <a href="Swift_(programming_language)" title="Swift (programming language)">Swift</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Cocoa_(API)" title="Cocoa (API)">Cocoa</a></li>
<li><a href="Cocoa_Touch" class="mw-redirect" title="Cocoa Touch">Cocoa Touch</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="C%2B%2B" title="C++">C++</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="MacApp" title="MacApp">MacApp</a></li>
<li><a href="PowerPlant" title="PowerPlant">PowerPlant</a></li>
<li><a href="THINK_C" title="THINK C">THINK C</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Common_Language_Infrastructure" title="Common Language Infrastructure">CLI</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Xamarin#Xamarin.Mac" title="Xamarin">Xamarin.Mac</a></li>
<li><a href="Mono_(software)#Xamarin.iOS" title="Mono (software)">Xamarin.iOS</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">On <a href="Microsoft_Windows" title="Microsoft Windows">Windows</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Common_Language_Infrastructure" title="Common Language Infrastructure">CLI</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Windows_Forms" title="Windows Forms">Windows Forms</a></li>
<li><a href="Extensible_Application_Markup_Language" title="Extensible Application Markup Language">XAML</a>
<ul><li><a href="Windows_Presentation_Foundation" title="Windows Presentation Foundation">Windows Presentation Foundation</a></li>
<li><a href="Windows_UI_Library" title="Windows UI Library">Windows UI Library</a></li>
<li><a href="Microsoft_Silverlight" title="Microsoft Silverlight">Silverlight</a></li></ul></li>
<li><a href="Microsoft_XNA" title="Microsoft XNA">Microsoft XNA</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="C%2B%2B" title="C++">C++</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Microsoft_Foundation_Class_Library" title="Microsoft Foundation Class Library">MFC</a></li>
<li><a href="Active_Template_Library" title="Active Template Library">Active Template Library</a></li>
<li><a href="Windows_Template_Library" title="Windows Template Library">Windows Template Library</a></li>
<li><a href="Object_Windows_Library" title="Object Windows Library">Object Windows Library</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Object_Pascal" title="Object Pascal">Object Pascal</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Visual_Component_Library" title="Visual Component Library">Visual Component Library</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">On <a href="Unix" title="Unix">Unix</a>,<br>under <a href="X_Window_System" title="X Window System">X11</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="X_Athena_Widgets" title="X Athena Widgets">Athena (Xaw)</a></li>
<li><a href="LessTif" title="LessTif">LessTif</a></li>
<li><a href="Motif_(software)" title="Motif (software)">Motif</a></li>
<li><a href="OLIT" title="OLIT">OLIT</a></li>
<li><a href="XForms_(toolkit)" title="XForms (toolkit)">XForms</a></li>
<li><a href="XView" title="XView">XView</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">On <a href="Android_(operating_system)" title="Android (operating system)">Android</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Android_software_development#Qt_for_Android" title="Android software development">Qt for Android</a></li></ul>
</div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"><b>High-level, cross-platform</b></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="C_(programming_language)" title="C (programming language)">C</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Enlightenment_Foundation_Libraries" title="Enlightenment Foundation Libraries">Enlightenment Foundation Libraries</a></li>
<li><a href="GTK" title="GTK">GTK</a></li>
<li><a href="IUP_(software)" title="IUP (software)">IUP</a></li>
<li><a href="XForms_(toolkit)" title="XForms (toolkit)">XForms</a></li>
<li><a href="XVT" title="XVT">XVT</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="C%2B%2B" title="C++">C++</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Bedrock_(framework)" title="Bedrock (framework)">Bedrock</a></li>
<li><a href="CEGUI" title="CEGUI">CEGUI</a></li>
<li><a href="Component_Library_for_Cross_Platform" title="Component Library for Cross Platform">Component Library for Cross Platform</a></li>
<li><a href="FLTK" title="FLTK">FLTK</a></li>
<li><a href="Fox_toolkit" title="Fox toolkit">FOX toolkit</a></li>
<li><a href="OpenGL_User_Interface_Library" class="mw-redirect" title="OpenGL User Interface Library">OpenGL User Interface Library</a></li>
<li><a href="Gtkmm" title="Gtkmm">gtkmm</a></li>
<li><a href="JUCE" title="JUCE">JUCE</a></li>
<li><a href="Qt_(software)" title="Qt (software)">Qt</a></li>
<li><a href="Rogue_Wave_Software" title="Rogue Wave Software">Rogue Wave Views</a></li>
<li><a href="TnFOX" class="mw-redirect" title="TnFOX">TnFOX</a></li>
<li><a href="Ultimate%2B%2B" title="Ultimate++">U++</a></li>
<li><a href="Wt_(web_toolkit)" title="Wt (web toolkit)">Wt</a></li>
<li><a href="WxWidgets" title="WxWidgets">wxWidgets</a></li>
<li><a href="Simple_and_Fast_Multimedia_Library" title="Simple and Fast Multimedia Library">Simple and Fast Multimedia Library</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Objective-C" title="Objective-C">Objective-C</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="GNUstep" title="GNUstep">GNUstep</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Common_Language_Infrastructure" title="Common Language Infrastructure">CLI</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Gtk_Sharp" class="mw-redirect" title="Gtk Sharp">Gtk#</a></li>
<li><a href="Tao_Framework" title="Tao Framework">Tao Framework</a>
<ul><li><a href="OpenTK" title="OpenTK">OpenTK</a></li></ul></li>
<li><a href="UIML" title="UIML">UIML</a></li>
<li><a href="MonoGame" title="MonoGame">MonoGame</a></li>
<li><a href="Moonlight_(runtime)" title="Moonlight (runtime)">Moonlight</a></li>
<li><a href="Xamarin#Xamarin.Forms" title="Xamarin">Xamarin.Forms</a></li>
<li>XWT<a rel="nofollow" class="external autonumber" href="https://www.mono-project.com/docs/gui/#xwt">[1]</a><a rel="nofollow" class="external autonumber" href="https://github.com/mono/xwt">[2]</a></li>
<li><a href=".NET#.NET_MAUI" title=".NET">.NET MAUI</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Adobe_Flash" title="Adobe Flash">Adobe Flash</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Apache_Flex" title="Apache Flex">Apache Flex</a>
<ul><li><a href="MXML" title="MXML">MXML</a></li></ul></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Go_(programming_language)" title="Go (programming language)">Go</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Fyne_(software)" title="Fyne (software)">Fyne</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Haskell" title="Haskell">Haskell</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="WxHaskell" title="WxHaskell">wxHaskell</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Java_(programming_language)" title="Java (programming language)">Java</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Abstract_Window_Toolkit" title="Abstract Window Toolkit">Abstract Window Toolkit</a></li>
<li><a href="FXML" title="FXML">FXML</a></li>
<li><a href="JavaFX" title="JavaFX">JavaFX</a></li>
<li><a href="Qt_Jambi" class="mw-redirect" title="Qt Jambi">Qt Jambi</a></li>
<li><a href="Swing_(Java)" title="Swing (Java)">Swing</a></li>
<li><a href="Standard_Widget_Toolkit" title="Standard Widget Toolkit">Standard Widget Toolkit</a></li>
<li><a href="Google_Web_Toolkit" title="Google Web Toolkit">Google Web Toolkit</a></li>
<li><a href="Lightweight_User_Interface_Toolkit" title="Lightweight User Interface Toolkit">Lightweight User Interface Toolkit</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="JavaScript" title="JavaScript">JavaScript</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Dojo_Toolkit" title="Dojo Toolkit">Dojo Toolkit</a></li>
<li><a href="Echo_(framework)" title="Echo (framework)">Echo</a></li>
<li><a href="Ext_JS" title="Ext JS">Ext JS</a></li>
<li><a href="Google_Closure_Tools" title="Google Closure Tools">Google Closure Tools</a></li>
<li><a href="JQuery_UI" title="JQuery UI">jQuery UI</a></li>
<li><a href="OpenUI5" title="OpenUI5">OpenUI5</a></li>
<li><a href="Qooxdoo" title="Qooxdoo">Qooxdoo</a></li>
<li><a href="YUI_Library" title="YUI Library">YUI</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Common_Lisp" title="Common Lisp">Common Lisp</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="LispWorks" title="LispWorks">CAPI</a></li>
<li><a href="Common_Lisp_Interface_Manager" title="Common Lisp Interface Manager">CLIM</a></li>
<li><a href="Allegro_Common_Lisp" title="Allegro Common Lisp">Common Graphics</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Lua" title="Lua">Lua</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="IUP_(software)" title="IUP (software)">IUP</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Pascal_(programming_language)" title="Pascal (programming language)">Pascal</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Lazarus_Component_Library" title="Lazarus Component Library">Lazarus Component Library</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Object_Pascal" title="Object Pascal">Object Pascal</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Component_Library_for_Cross_Platform" title="Component Library for Cross Platform">Component Library for Cross Platform</a></li>
<li><a href="FpGUI" title="FpGUI">fpGUI</a></li>
<li><a href="IP_Pascal" title="IP Pascal">IP Pascal</a></li>
<li><a href="FireMonkey" title="FireMonkey">FireMonkey</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Perl" title="Perl">Perl</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li>Perl/<a href="Tk_(software)" title="Tk (software)">Tk</a></li>
<li><a href="WxPerl" class="mw-redirect" title="WxPerl">wxPerl</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="PHP" title="PHP">PHP</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="PHP-GTK" title="PHP-GTK">PHP-GTK</a></li>
<li><a href="WxPHP" title="WxPHP">wxPHP</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Python_(programming_language)" title="Python (programming language)">Python</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Tkinter" title="Tkinter">Tkinter</a></li>
<li><a href="Kivy_(framework)" title="Kivy (framework)">Kivy</a></li>
<li><a href="PySide" title="PySide">PySide</a></li>
<li><a href="PyQt" title="PyQt">PyQt</a></li>
<li><a href="PyGTK" title="PyGTK">PyGTK</a></li>
<li><a href="WxPython" title="WxPython">wxPython</a></li>
<li><a href="Pyjs" title="Pyjs">Pyjs</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Ruby_(programming_language)" title="Ruby (programming language)">Ruby</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Shoes_(GUI_toolkit)" class="mw-redirect" title="Shoes (GUI toolkit)">Shoes</a></li>
<li><a href="QtRuby" class="mw-redirect" title="QtRuby">QtRuby</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Tcl" title="Tcl">Tcl</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Tk_(software)" title="Tk (software)">Tcl/Tk</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="XML" title="XML">XML</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Glade_Interface_Designer" title="Glade Interface Designer">GladeXML</a></li>
<li><a href="Lively_Kernel" title="Lively Kernel">Lively Kernel</a></li>
<li><a href="Extensible_Application_Markup_Language" title="Extensible Application Markup Language">Extensible Application Markup Language</a></li>
<li><a href="XUL" title="XUL">XUL</a></li>
<li><a href="Wt_(web_toolkit)" title="Wt (web toolkit)">Wt</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Unix_shell" title="Unix shell">shell</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Newt_(programming_library)" title="Newt (programming library)">Newt</a></li>
<li><a href="CDK_(programming_library)" title="CDK (programming library)">CDK</a></li>
<li><a href="Dialog_(software)" title="Dialog (software)">Dialog</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Dart_(programming_language)" title="Dart (programming language)">Dart</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Flutter_(software)" title="Flutter (software)">Flutter</a></li></ul>
</div></td></tr></tbody></table></div></div><!--htdig_noindex--><div><div class="zim-footer">
This article is issued from <a class="external text" title="Last edited on 2025-06-29" href="https://en.wikipedia.org/wiki/?title=FLUID&amp;oldid=1297901069">Wikipedia</a>. The text is available under <a class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en">Creative Commons Attribution-Share Alike 4.0</a> unless otherwise noted. Additional terms may apply for the media files.
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