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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><!-- /home/reggie/tmp/qt-3.0-reggie-5401/qt-x11-commercial-3.0.5/src/kernel/qmime.cpp:49 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>QMimeSource 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 bgcolor="#E5E5E5"><td valign=center> <a href="index.html"><font color="#004faf">Home</font></a> | <a href="classes.html"><font color="#004faf">All Classes</font></a> | <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> | <a href="annotated.html"><font color="#004faf">Annotated</font></a> | <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> | <a href="functions.html"><font color="#004faf">Functions</font></a></td><td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>QMimeSource Class Reference</h1><p>The QMimeSource class is an abstraction of objects which provide formatted data of a certain MIME type.<a href="#details">More...</a><p><tt>#include <<a href="qmime-h.html">qmime.h</a>></tt><p>Inherited by <a href="qdragobject.html">QDragObject</a> and <a href="qdropevent.html">QDropEvent</a>.<p><a href="qmimesource-members.html">List of all member functions.</a><h2>Public Members</h2><ul><li><div class=fn><a href="#QMimeSource"><b>QMimeSource</b></a> ()</div></li><li><div class=fn>virtual <a href="#~QMimeSource"><b>~QMimeSource</b></a> ()</div></li><li><div class=fn>virtual const char * <a href="#format"><b>format</b></a> ( int i = 0 ) const = 0</div></li><li><div class=fn>virtual bool <a href="#provides"><b>provides</b></a> ( const char * mimeType ) const</div></li><li><div class=fn>virtual QByteArray <a href="#encodedData"><b>encodedData</b></a> ( const char * ) const = 0</div></li><li><div class=fn>int <a href="#serialNumber"><b>serialNumber</b></a> () const</div></li></ul><hr><a name="details"></a><h2>Detailed Description</h2>The QMimeSource class is an abstraction of objects which provide formatted data of a certain MIME type.<p> <p> <a href="dnd.html">Drag-and-drop</a> and<a href="qclipboard.html">clipboard</a> use this abstraction.<p> <p>See also <a href="http://www.isi.edu/in-notes/iana/assignments/media-types/ ">IANA list of MIME media types</a>, <a href="draganddrop.html">Drag And Drop Classes</a>, <a href="io.html">Input/Output and Networking</a> and <a href="misc.html">Miscellaneous Classes</a>.<hr><h2>Member Function Documentation</h2><h3 class=fn><a name="QMimeSource"></a>QMimeSource::QMimeSource ()</h3>Constructs a mime source and assigns a globally unique serialnumber to it.<p> <p>See also <a href="#serialNumber">serialNumber</a>().<h3 class=fn><a name="~QMimeSource"></a>QMimeSource::~QMimeSource ()<tt> [virtual]</tt></h3>Provided to ensure that subclasses destroy themselves correctly.<h3 class=fn><a href="qbytearray.html">QByteArray</a> <a name="encodedData"></a>QMimeSource::encodedData ( const char * ) const<tt> [pure virtual]</tt></h3><p> Returns the encoded data of this object in the specified MIMEformat.<p> Subclasses must reimplement this function.<p>Reimplemented in <a href="qstoreddrag.html#encodedData">QStoredDrag</a>, <a href="qdropevent.html#encodedData">QDropEvent</a> and <a href="qicondrag.html#encodedData">QIconDrag</a>.<h3 class=fn>const char * <a name="format"></a>QMimeSource::format ( int i = 0 ) const<tt> [pure virtual]</tt></h3><p> Returns the <em>i</em>-th supported MIME format, or 0.<p>Reimplemented in <a href="qdropevent.html#format">QDropEvent</a>.<h3 class=fn>bool <a name="provides"></a>QMimeSource::provides ( const char * mimeType ) const<tt> [virtual]</tt></h3>Returns TRUE if the object can provide the data in format <em>mimeType</em>; otherwise returns FALSE.<p> If you inherit from QMimeSource, for consistency reasons it isbetter to implement the more abstract canDecode() functions suchas <a href="qtextdrag.html#canDecode">QTextDrag::canDecode</a>() and <a href="qimagedrag.html#canDecode">QImageDrag::canDecode</a>().<p>Example: <a href="simple_dd-example.html#x2672">iconview/simple_dd/main.cpp</a>.<p>Reimplemented in <a href="qdropevent.html#provides">QDropEvent</a>.<h3 class=fn>int <a name="serialNumber"></a>QMimeSource::serialNumber () const</h3><p> Returns the mime source's globally unique serial number.<!-- eof --><hr><p>This file is part of the <a href="index.html">Qt toolkit</a>.Copyright © 1995-2002<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 © 2002 <a href="http://www.trolltech.com">Trolltech</a><td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a><td align=right><div align=right>Qt version 3.0.5</div></table></div></address></body></html>⌨️ 快捷键说明
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