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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><!-- /home/edba/dist/qtopia/main-Sunday/qtopia/src/libraries/qtopia/textcodecinterface.cpp:21 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>TextCodecInterface Class</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: #ffffff; color: black; }--></style></head><body><table border="0" cellpadding="0" cellspacing="0" width="100%"><tr><td width="200" align="left" valign="top"><a href="index.html"><img height="27" width="472" src="dochead.png" border="0"></a><br><font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" align="center" size=32>Qtopia</font>   <a href="index.html">Home</a> - <a href="qtopiaclasses.html">Classes</a> - <a href="qtopiaannotated.html">Annotated</a> - <a href="qtopiafunctions.html">Functions</a> - <a href="qtindex.html">Qt Embedded</a></td><td align="right" valign="top">  <table border="0" cellpadding="0" cellspacing="0" width="137">  <tr>  <td><a href="http://www.trolltech.com/company/about/trolls.html"><img height="100" width="100" src="face.png" border="0"></a></td>  <td><img height="100" width="100" src="qtlogo.png" align="top" border="0"></td>  </tr>  </table></td></tr></table><h1 align=center>TextCodecInterface Class Reference</h1><p>The TextCodecInterface class defines the interface for text codec plugins.<a href="#details">More...</a><p><tt>#include &lt;<a href="textcodecinterface-h.html">textcodecinterface.h</a>&gt;</tt><p><a href="textcodecinterface-members.html">List of all member functions.</a><h2>Public Members</h2><ul><li><div class=fn>virtual QStringList <a href="#names"><b>names</b></a> () const = 0</div></li><li><div class=fn>virtual QTextCodec * <a href="#createForName"><b>createForName</b></a> ( const&nbsp;QString&nbsp;&amp;&nbsp;name ) = 0</div></li><li><div class=fn>virtual QValueList&lt;int&gt; <a href="#mibEnums"><b>mibEnums</b></a> () const = 0</div></li><li><div class=fn>virtual QTextCodec * <a href="#createForMib"><b>createForMib</b></a> ( int&nbsp;mib ) = 0</div></li></ul><hr><a name="details"></a><h2>Detailed Description</h2>The TextCodecInterface class defines the interface for text codec plugins.<p> Internally, Qtopia works completely with Unicode text strings, howeverit is sometimes necessary to convert to or from other character sets.<p> To add support for a character set format, you must create aText Codec plugin. To do so, follow these steps:<p> <ol><li> Create a subclass of QTextCodec that implements the conversion.This procedure is a standard part of Qt, and is documented there.<li> Create a subclass of TextCodecInterface that creates yourQTextCodec subclass. Ensure that your class:<ul><li> Inherits TextCodecInterface<li> Inplements all pure-virtual methods of TextCodecInterface<li> Includes the declarations:<pre>public:    QRESULT queryInterface( const <a href="quuid.html">QUuid</a>&, QUnknownInterface** );    Q_REFCOUNTprivate:    ulong ref;</pre><p> </ul><li> In the code of the TextCodecInterface subclass:<pre>QRESULT <i>YourTextCodecInterfaceSubClass</i>::queryInterface( const QUuid &uuid, QUnknownInterface **iface ){    *iface = 0;    if ( uuid == IID_QUnknown )        *iface = this;    else if ( uuid == IID_QtopiaTextCodec )        *iface = this;    if ( *iface )        (*iface)->addRef();    return (*iface) ? QS_OK : QS_FALSE;}Q_EXPORT_INTERFACE(){    Q_CREATE_INSTANCE( <i>YourTextCodecInterfaceSubClass</i> )}</pre><p> <li> Build your code as a Shared Object (.so file)(such as by using the tmake lib template).<li> Ship your plugin in the Qtopia plugins/textcodecs/ directory.</ol><hr><h2>Member Function Documentation</h2><h3 class=fn>QTextCodec * <a name="createForMib"></a>TextCodecInterface::createForMib ( int&nbsp;mib )<tt> [pure virtual]</tt></h3><p> Returns a new QTextCodec (subclass) for the given <em>mib</em>.<h3 class=fn>QTextCodec * <a name="createForName"></a>TextCodecInterface::createForName ( const&nbsp;QString&nbsp;&amp;&nbsp;name )<tt> [pure virtual]</tt></h3><p> Returns a new QTextCodec (subclass) for the given codec <em>name</em>.<h3 class=fn>QValueList&lt;int&gt; <a name="mibEnums"></a>TextCodecInterface::mibEnums () const<tt> [pure virtual]</tt></h3><p> Returns the list of codec MIBs. You should use IANA registered MIB values.<h3 class=fn>QStringList <a name="names"></a>TextCodecInterface::names () const<tt> [pure virtual]</tt></h3><p> Returns the list of codec names. You should use IANA registered names.<!-- eof --><hr><p>This file is part of the <a href="../index.html">Qtopia</a> platform,copyright &copy; 1995-2004<a href="http://www.trolltech.com/">Trolltech</a>, all rights reserved.<p><address><hr><div align="center"><table width="100%" cellspacing="0" border="0"><tr><td>Copyright &copy; 2001-2004 Trolltech<td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a><td align="right"><div align="right">Qtopia version 2.0.0</div></table></div></address></body></html>
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