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188 lines
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188 lines
11 KiB
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<title>TQUriDrag Class</title>
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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>TQUriDrag Class Reference</h1>
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<p>The TQUriDrag class provides a drag object for a list of URI references.
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<a href="#details">More...</a>
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<p><tt>#include <<a href="qdragobject-h.html">ntqdragobject.h</a>></tt>
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<p>Inherits <a href="qstoreddrag.html">TQStoredDrag</a>.
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<p><a href="quridrag-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="#TQUriDrag"><b>TQUriDrag</b></a> ( TQStrList uris, TQWidget * dragSource = 0, const char * name = 0 )</li>
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<li class=fn><a href="#TQUriDrag-2"><b>TQUriDrag</b></a> ( TQWidget * dragSource = 0, const char * name = 0 )</li>
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<li class=fn><a href="#~TQUriDrag"><b>~TQUriDrag</b></a> ()</li>
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<li class=fn>void setFilenames ( const TQStringList & fnames ) <em>(obsolete)</em></li>
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<li class=fn>void <a href="#setFileNames"><b>setFileNames</b></a> ( const TQStringList & fnames )</li>
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<li class=fn>void <a href="#setUnicodeUris"><b>setUnicodeUris</b></a> ( const TQStringList & uuris )</li>
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<li class=fn>virtual void <a href="#setUris"><b>setUris</b></a> ( TQStrList uris )</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>TQString <a href="#uriToLocalFile"><b>uriToLocalFile</b></a> ( const char * uri )</li>
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<li class=fn>TQCString <a href="#localFileToUri"><b>localFileToUri</b></a> ( const TQString & filename )</li>
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<li class=fn>TQString <a href="#uriToUnicodeUri"><b>uriToUnicodeUri</b></a> ( const char * uri )</li>
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<li class=fn>TQCString <a href="#unicodeUriToUri"><b>unicodeUriToUri</b></a> ( const TQString & uuri )</li>
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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, TQStrList & l )</li>
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<li class=fn>bool <a href="#decodeToUnicodeUris"><b>decodeToUnicodeUris</b></a> ( const TQMimeSource * e, TQStringList & l )</li>
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<li class=fn>bool <a href="#decodeLocalFiles"><b>decodeLocalFiles</b></a> ( const TQMimeSource * e, TQStringList & l )</li>
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</ul>
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<hr><a name="details"></a><h2>Detailed Description</h2>
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The TQUriDrag class provides a drag object for a list of URI references.
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<p>
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<p> URIs are a useful way to refer to files that may be distributed
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across multiple machines. A URI will often refer to a file on a
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machine local to both the drag source and the drop target, so the
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URI can be equivalent to passing a file name but is more
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extensible.
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<p> Use URIs in Unicode form so that the user can comfortably edit and
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view them. For use in HTTP or other protocols, use the correctly
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escaped ASCII form.
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<p> You can convert a list of file names to file URIs using
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<a href="#setFileNames">setFileNames</a>(), or into human-readble form with <a href="#setUnicodeUris">setUnicodeUris</a>().
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<p> Static functions are provided to convert between filenames and
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URIs, e.g. <a href="#uriToLocalFile">uriToLocalFile</a>() and <a href="#localFileToUri">localFileToUri</a>(), and to and from
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human-readable form, e.g. <a href="#uriToUnicodeUri">uriToUnicodeUri</a>(), <a href="#unicodeUriToUri">unicodeUriToUri</a>().
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You can also decode URIs from a mimesource into a list with
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<a href="#decodeLocalFiles">decodeLocalFiles</a>() and <a href="#decodeToUnicodeUris">decodeToUnicodeUris</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="TQUriDrag"></a>TQUriDrag::TQUriDrag ( <a href="ntqstrlist.html">TQStrList</a> uris, <a href="ntqwidget.html">TQWidget</a> * dragSource = 0, const char * name = 0 )
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</h3>
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Constructs an object to drag the list of URIs in <em>uris</em>. The <em>dragSource</em> and <em>name</em> arguments are passed on to <a href="qstoreddrag.html">TQStoredDrag</a>.
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Note that URIs are always in escaped UTF8 encoding.
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<h3 class=fn><a name="TQUriDrag-2"></a>TQUriDrag::TQUriDrag ( <a href="ntqwidget.html">TQWidget</a> * dragSource = 0, const char * name = 0 )
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</h3>
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Constructs an object to drag. You must call <a href="#setUris">setUris</a>() before you
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start the <a href="ntqdragobject.html#drag">drag</a>(). Passes <em>dragSource</em> and <em>name</em> to the
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<a href="qstoreddrag.html">TQStoredDrag</a> constructor.
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<h3 class=fn><a name="~TQUriDrag"></a>TQUriDrag::~TQUriDrag ()
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</h3>
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Destroys the object.
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<h3 class=fn>bool <a name="canDecode"></a>TQUriDrag::canDecode ( const <a href="qmimesource.html">TQMimeSource</a> * e )<tt> [static]</tt>
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</h3>
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Returns TRUE if <a href="#decode">decode</a>() would be able to decode <em>e</em>; otherwise
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returns FALSE.
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<h3 class=fn>bool <a name="decode"></a>TQUriDrag::decode ( const <a href="qmimesource.html">TQMimeSource</a> * e, <a href="ntqstrlist.html">TQStrList</a> & l )<tt> [static]</tt>
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</h3>
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Decodes URIs from <em>e</em>, placing the result in <em>l</em> (which is first
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cleared).
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<p> Returns TRUE if <em>e</em> contained a valid list of URIs; otherwise
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returns FALSE.
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<p>Example: <a href="dirview-example.html#x1707">dirview/dirview.cpp</a>.
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<h3 class=fn>bool <a name="decodeLocalFiles"></a>TQUriDrag::decodeLocalFiles ( const <a href="qmimesource.html">TQMimeSource</a> * e, <a href="ntqstringlist.html">TQStringList</a> & l )<tt> [static]</tt>
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</h3>
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Decodes URIs from the mime source event <em>e</em>, converts them to
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local files if they refer to local files, and places them in <em>l</em>
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(which is first cleared).
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<p> Returns TRUE if <em>contained</em> a valid list of URIs; otherwise
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returns FALSE. The list will be empty if no URIs were local files.
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<p>Example: <a href="fileiconview-example.html#x873">fileiconview/qfileiconview.cpp</a>.
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<h3 class=fn>bool <a name="decodeToUnicodeUris"></a>TQUriDrag::decodeToUnicodeUris ( const <a href="qmimesource.html">TQMimeSource</a> * e, <a href="ntqstringlist.html">TQStringList</a> & l )<tt> [static]</tt>
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</h3>
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Decodes URIs from the mime source event <em>e</em>, converts them to
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Unicode URIs (only useful for displaying to humans), placing them
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in <em>l</em> (which is first cleared).
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<p> Returns TRUE if <em>contained</em> a valid list of URIs; otherwise
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returns FALSE.
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<h3 class=fn><a href="ntqcstring.html">TQCString</a> <a name="localFileToUri"></a>TQUriDrag::localFileToUri ( const <a href="ntqstring.html">TQString</a> & filename )<tt> [static]</tt>
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</h3>
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Returns the URI equivalent to the absolute local file <em>filename</em>.
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<p> <p>See also <a href="#uriToLocalFile">uriToLocalFile</a>().
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<h3 class=fn>void <a name="setFileNames"></a>TQUriDrag::setFileNames ( const <a href="ntqstringlist.html">TQStringList</a> & fnames )
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</h3>
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Sets the URIs to be the local-file URIs equivalent to <em>fnames</em>.
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<p> <p>See also <a href="#localFileToUri">localFileToUri</a>() and <a href="#setUris">setUris</a>().
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<p>Example: <a href="dirview-example.html#x1708">dirview/dirview.cpp</a>.
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<h3 class=fn>void <a name="setFilenames"></a>TQUriDrag::setFilenames ( const <a href="ntqstringlist.html">TQStringList</a> & fnames )
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</h3>
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<b>This function is obsolete.</b> It is provided to keep old source working. We strongly advise against using it in new code.
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<p> Use <a href="#setFileNames">setFileNames</a>() instead (notice the N).
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<h3 class=fn>void <a name="setUnicodeUris"></a>TQUriDrag::setUnicodeUris ( const <a href="ntqstringlist.html">TQStringList</a> & uuris )
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</h3>
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Sets the URIs in <em>uuris</em> to be the Unicode URIs (only useful for
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displaying to humans).
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<p> <p>See also <a href="#localFileToUri">localFileToUri</a>() and <a href="#setUris">setUris</a>().
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<h3 class=fn>void <a name="setUris"></a>TQUriDrag::setUris ( <a href="ntqstrlist.html">TQStrList</a> uris )<tt> [virtual]</tt>
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</h3>
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Changes the list of <em>uris</em> to be dragged.
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<p> Note that URIs are always in escaped UTF8 encoding.
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<h3 class=fn><a href="ntqcstring.html">TQCString</a> <a name="unicodeUriToUri"></a>TQUriDrag::unicodeUriToUri ( const <a href="ntqstring.html">TQString</a> & uuri )<tt> [static]</tt>
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</h3>
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Returns the URI equivalent of the Unicode URI given in <em>uuri</em>
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(only useful for displaying to humans).
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<p> <p>See also <a href="#uriToLocalFile">uriToLocalFile</a>().
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<h3 class=fn><a href="ntqstring.html">TQString</a> <a name="uriToLocalFile"></a>TQUriDrag::uriToLocalFile ( const char * uri )<tt> [static]</tt>
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</h3>
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Returns the name of a local file equivalent to <em>uri</em> or a null
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string if <em>uri</em> is not a local file.
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<p> Note that URIs are always in escaped UTF8 encoding.
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<p> <p>See also <a href="#localFileToUri">localFileToUri</a>().
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<p>Example: <a href="dirview-example.html#x1709">dirview/dirview.cpp</a>.
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<h3 class=fn><a href="ntqstring.html">TQString</a> <a name="uriToUnicodeUri"></a>TQUriDrag::uriToUnicodeUri ( const char * uri )<tt> [static]</tt>
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</h3>
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Returns the Unicode URI (only useful for displaying to humans)
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equivalent of <em>uri</em>.
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<p> Note that URIs are always in escaped UTF8 encoding.
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<p> <p>See also <a href="#localFileToUri">localFileToUri</a>().
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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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<td align=right><div align=right>TQt 3.3.8</div>
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