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130 lines
6.9 KiB
130 lines
6.9 KiB
13 years ago
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/kernel/qdragobject.cpp:676 -->
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>TQTextDrag Class</title>
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<font color="#004faf">All Classes</font></a>
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>TQTextDrag Class Reference</h1>
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<p>The TQTextDrag class is a drag and drop object for
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transferring plain and Unicode text.
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<a href="#details">More...</a>
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<p><tt>#include <<a href="qdragobject-h.html">qdragobject.h</a>></tt>
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<p>Inherits <a href="qdragobject.html">TQDragObject</a>.
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<p><a href="qtextdrag-members.html">List of all member functions.</a>
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<h2>Public Members</h2>
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<ul>
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<li class=fn><a href="#TQTextDrag"><b>TQTextDrag</b></a> ( const TQString & text, TQWidget * dragSource = 0, const char * name = 0 )</li>
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<li class=fn><a href="#TQTextDrag-2"><b>TQTextDrag</b></a> ( TQWidget * dragSource = 0, const char * name = 0 )</li>
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<li class=fn><a href="#~TQTextDrag"><b>~TQTextDrag</b></a> ()</li>
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<li class=fn>virtual void <a href="#setText"><b>setText</b></a> ( const TQString & text )</li>
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<li class=fn>virtual void <a href="#setSubtype"><b>setSubtype</b></a> ( const TQCString & st )</li>
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</ul>
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<h2>Static Public Members</h2>
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<ul>
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<li class=fn>bool <a href="#canDecode"><b>canDecode</b></a> ( const TQMimeSource * e )</li>
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<li class=fn>bool <a href="#decode"><b>decode</b></a> ( const TQMimeSource * e, TQString & str )</li>
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<li class=fn>bool <a href="#decode-2"><b>decode</b></a> ( const TQMimeSource * e, TQString & str, TQCString & subtype )</li>
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</ul>
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<hr><a name="details"></a><h2>Detailed Description</h2>
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<p> The TQTextDrag class is a drag and drop object for
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transferring plain and Unicode text.
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<p>
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<p> Plain text is passed in a <a href="qstring.html">TQString</a> which may contain multiple lines
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(i.e. may contain newline characters). The drag target will receive
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the newlines according to the runtime environment, e.g. LF on Unix,
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and CRLF on Windows.
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<p> TQt provides no built-in mechanism for delivering only a single-line.
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<p> For more information about drag and drop, see the <a href="qdragobject.html">TQDragObject</a> class
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and the <a href="dnd.html">drag and drop documentation</a>.
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<p>See also <a href="draganddrop.html">Drag And Drop Classes</a>.
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<hr><h2>Member Function Documentation</h2>
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<h3 class=fn><a name="TQTextDrag"></a>TQTextDrag::TQTextDrag ( const <a href="qstring.html">TQString</a> & text, <a href="qwidget.html">TQWidget</a> * dragSource = 0, const char * name = 0 )
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</h3>
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Constructs a text drag object and sets its data to <em>text</em>. <em>dragSource</em> must be the drag source; <em>name</em> is the object name.
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<h3 class=fn><a name="TQTextDrag-2"></a>TQTextDrag::TQTextDrag ( <a href="qwidget.html">TQWidget</a> * dragSource = 0, const char * name = 0 )
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</h3>
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Constructs a default text drag object. <em>dragSource</em> must be the
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drag source; <em>name</em> is the object name.
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<h3 class=fn><a name="~TQTextDrag"></a>TQTextDrag::~TQTextDrag ()
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</h3>
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Destroys the text drag object and frees up all allocated
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resources.
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<h3 class=fn>bool <a name="canDecode"></a>TQTextDrag::canDecode ( const <a href="qmimesource.html">TQMimeSource</a> * e )<tt> [static]</tt>
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</h3>
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Returns TRUE if the information in <em>e</em> can be decoded into a
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<a href="qstring.html">TQString</a>; otherwise returns FALSE.
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<p> <p>See also <a href="#decode">decode</a>().
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<p>Example: <a href="simple_dd-example.html#x2827">iconview/simple_dd/main.cpp</a>.
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<h3 class=fn>bool <a name="decode"></a>TQTextDrag::decode ( const <a href="qmimesource.html">TQMimeSource</a> * e, <a href="qstring.html">TQString</a> & str )<tt> [static]</tt>
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</h3>
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Attempts to decode the dropped information in <em>e</em> into <em>str</em>.
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Returns TRUE if successful; otherwise returns FALSE.
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<p> <p>See also <a href="#canDecode">canDecode</a>().
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<p>Example: <a href="simple_dd-example.html#x2828">iconview/simple_dd/main.cpp</a>.
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<h3 class=fn>bool <a name="decode-2"></a>TQTextDrag::decode ( const <a href="qmimesource.html">TQMimeSource</a> * e, <a href="qstring.html">TQString</a> & str, <a href="qcstring.html">TQCString</a> & subtype )<tt> [static]</tt>
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</h3>
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This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
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<p> Attempts to decode the dropped information in <em>e</em> into <em>str</em>.
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Returns TRUE if successful; otherwise returns FALSE. If <em>subtype</em>
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is null, any text subtype is accepted; otherwise only the
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specified <em>subtype</em> is accepted.
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<p> <p>See also <a href="#canDecode">canDecode</a>().
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<h3 class=fn>void <a name="setSubtype"></a>TQTextDrag::setSubtype ( const <a href="qcstring.html">TQCString</a> & st )<tt> [virtual]</tt>
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</h3>
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Sets the MIME subtype of the text being dragged to <em>st</em>. The
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default subtype is "plain", so the default MIME type of the text
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is "text/plain". You might use this to declare that the text is
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"text/html" by calling <a href="#setSubtype">setSubtype</a>("html").
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<h3 class=fn>void <a name="setText"></a>TQTextDrag::setText ( const <a href="qstring.html">TQString</a> & text )<tt> [virtual]</tt>
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</h3>
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Sets the text to be dragged to <em>text</em>. You will need to call this
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if you did not pass the text during construction.
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<!-- eof -->
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<hr><p>
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This file is part of the <a href="index.html">TQt toolkit</a>.
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Copyright © 1995-2007
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<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center>
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<table width=100% cellspacing=0 border=0><tr>
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<td>Copyright © 2007
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<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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<td align=right><div align=right>TQt 3.3.8</div>
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</table></div></address></body>
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</html>
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