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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>The Be Book - System Overview - The Media Kit</title><link rel="stylesheet" href="be_book.css" type="text/css" media="all" /><link rel="shortcut icon" type="image/vnd.microsoft.icon" href="./images/favicon.ico" /><!--[if IE]>
<link rel="stylesheet" type="text/css" href="be_book_ie.css" />
<![endif]--><meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /><meta name="keywords" content="Access, BeOS, BeBook, API" /><link rel="start" href="index.html" title="The Be Book" /><link rel="up" href="TheMediaKit_Overview.html" title="The Media Kit" /><link rel="prev" href="BMediaRoster_Overview.html" title="BMediaRoster" /><link rel="next" href="BMediaTrack_Overview.html" title="BMediaTrack" /></head><body><div id="header"><div id="headerT"><div id="headerTL"><a accesskey="p" href="BMediaRoster_Overview.html" title="BMediaRoster"><img src="./images/navigation/prev.png" alt="Prev" /></a> <a accesskey="u" href="TheMediaKit_Overview.html" title="The Media Kit"><img src="./images/navigation/up.png" alt="Up" /></a> <a accesskey="n" href="BMediaTrack_Overview.html" title="BMediaTrack"><img src="./images/navigation/next.png" alt="Next" /></a></div><div id="headerTR"><div id="navigpeople"><a href="http://www.haiku-os.org"><img src="./images/People_24.png" alt="haiku-os.org" title="Visit The Haiku Website" /></a></div><div class="navighome" title="Home"><a accesskey="h" href="index.html"><img src="./images/navigation/home.png" alt="Home" /></a></div><div class="navigboxed" id="navigindex"><a accesskey="i" href="ClassIndex.html" title="Index">I</a></div><div class="navigboxed" id="naviglang" title="English">en</div></div><div id="headerTC">The Be Book - System Overview - The Media Kit</div></div><div id="headerB">Prev: <a href="BMediaRoster_Overview.html">BMediaRoster</a>  Up: <a href="TheMediaKit_Overview.html">The Media Kit</a>  Next: <a href="BMediaTrack_Overview.html">BMediaTrack</a></div><hr /></div><div class="section"><div xmlns="" xmlns:d="http://docbook.org/ns/docbook" class="titlepage"><div><div xmlns:d="http://docbook.org/ns/docbook"><h2 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="BMediaTheme_Overview"></a>BMediaTheme</h2></div></div></div><a id="id590114" class="indexterm"></a><p>A <a class="link" href="BMediaTheme.html" title="BMediaTheme"><code class="classname">BMediaTheme</code></a>
is an object that, given a
<a class="link" href="BParameterWeb.html" title="BParameterWeb"><code class="classname">BParameterWeb</code></a>, can create a
<a class="link" href="BView.html" title="BView"><code class="classname">BView</code></a>
containing all the controls needed to configure the
<a class="link" href="BControllable.html" title="BControllable"><code class="classname">BControllable</code></a>
node represented by the
<a class="link" href="BParameterWeb.html" title="BParameterWeb"><code class="classname">BParameterWeb</code></a>.
You can then add the returned
<a class="link" href="BView.html" title="BView"><code class="classname">BView</code></a>
to a window so the user can configure the node to their liking.</p><p>The resulting
<a class="link" href="BView.html" title="BView"><code class="classname">BView</code></a>
contains not only the controls for configuring the
parameters available in the node, but also indicates the data flow path
through the node.</p><p>The BeOS includes the standard theme, which provides the system default
look to media controls, as seen in the Audio and Video preference
applications beginning with Release 4.</p><p>If you want to change the look of media controls within the BeOS, you can
write your own
<a class="link" href="BMediaTheme.html" title="BMediaTheme"><code class="classname">BMediaTheme</code></a>
and install it as the default system theme by calling
<a class="link" href="BMediaTheme.html#BMediaTheme_SetPreferredTheme"><code class="methodname">SetPreferredTheme()</code></a>.
If you want to write a new theme and provide
the ability for the user to enable it as the new system theme, you'll
need to write an application that calls
<a class="link" href="BMediaTheme.html#BMediaTheme_SetPreferredTheme"><code class="methodname">SetPreferredTheme()</code></a>.</p><p>If you want to return to the default system theme, you should call
<span class="code"><code class="methodname">SetPreferredTheme</code>(<code class="constant">NULL</code>)</span>.
Make sure you don't have any theme views
instantiated in your application when you do so.</p><div class="section"><div xmlns="" xmlns:d="http://docbook.org/ns/docbook" class="titlepage"><div><hr /><div xmlns:d="http://docbook.org/ns/docbook"><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="id590248"></a>Installing a Theme Add-on</h3></div></div></div><p>Theme add-ons belong at
<code class="filename">/boot/home/config/add-ons/media/themes</code>. They can
have any name you like.</p><div class="admonition warning"><div class="title">Warning</div><div class="graphic"><img class="icon" alt="Warning" width="32" src="./images/admonitions/Stop_32.png" /><div class="text"><p>At this time, theme add-on support has not been sufficiently tested and
may or may not work. If you have problems with it, please file a bug
report at http://bebugs.be.com.</p></div></div></div></div></div><div id="footer"><hr /><div id="footerT">Prev: <a href="BMediaRoster_Overview.html">BMediaRoster</a>  Up: <a href="TheMediaKit_Overview.html">The Media Kit</a>  Next: <a href="BMediaTrack_Overview.html">BMediaTrack</a> </div><div id="footerB"><div id="footerBL"><a href="BMediaRoster_Overview.html" title="BMediaRoster"><img src="./images/navigation/prev.png" alt="Prev" /></a> <a href="TheMediaKit_Overview.html" title="The Media Kit"><img src="./images/navigation/up.png" alt="Up" /></a> <a href="BMediaTrack_Overview.html" title="BMediaTrack"><img src="./images/navigation/next.png" alt="Next" /></a></div><div id="footerBR"><div><a href="http://www.haiku-os.org"><img src="./images/People_24.png" alt="haiku-os.org" title="Visit The Haiku Website" /></a></div><div class="navighome" title="Home"><a accesskey="h" href="index.html"><img src="./images/navigation/home.png" alt="Home" /></a></div></div><div id="footerBC"><a href="http://www.access-company.com/home.html" title="ACCESS Co."><img alt="Access Company" src="./images/access_logo.png" /></a></div></div></div><div id="licenseFooter"><div id="licenseFooterBL"><a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/3.0/" title="Creative Commons License"><img alt="Creative Commons License" style="border-width:0" src="https://licensebuttons.net/l/by-nc-nd/3.0/88x31.png" /></a></div><div id="licenseFooterBR"><a href="./LegalNotice.html">Legal Notice</a></div><div id="licenseFooterBC"><span id="licenseText">This work is licensed under a
<a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/3.0/">Creative
Commons Attribution-Non commercial-No Derivative Works 3.0 License</a>.</span></div></div></body></html>
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