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QWindowsMime(3qt)					     QWindowsMime(3qt)

NAME
       QWindowsMime - Maps open-standard MIME to Window Clipboard formats

SYNOPSIS
       #include <qmime.h>

   Public Members
       QWindowsMime ()
       virtual ~QWindowsMime ()
       virtual const char * convertorName () = 0
       virtual int countCf () = 0
       virtual int cf ( int index ) = 0
       virtual bool canConvert ( const char * mime, int cf ) = 0
       virtual const char * mimeFor ( int cf ) = 0
       virtual int cfFor ( const char * mime ) = 0
       virtual QByteArray convertToMime ( QByteArray data, const char * mime,
	   int cf ) = 0
       virtual QByteArray convertFromMime ( QByteArray data, const char *
	   mime, int cf ) = 0

   Static Public Members
       void initialize ()
       QPtrList<QWindowsMime> all ()
       QWindowsMime * convertor ( const char * mime, int cf )
       const char * cfToMime ( int cf )

DESCRIPTION
       The QWindowsMime class maps open-standard MIME to Window Clipboard
       formats.

       Qt's drag-and-drop and clipboard facilities use the MIME standard. On
       X11, this maps trivially to the Xdnd protocol, but on Windows although
       some applications use MIME types to describe clipboard formats, others
       use arbitrary non-standardized naming conventions, or unnamed built-in
       formats of Windows.

       By instantiating subclasses of QWindowsMime that provide conversions
       between Windows Clipboard and MIME formats, you can convert proprietary
       clipboard formats to MIME formats.

       Qt has predefined support for the following Windows Clipboard formats:

       CF_UNICODETEXT - converted to "text/plain;charset=ISO-10646-UCS-2" and
       supported by QTextDrag.

       CF_TEXT - converted to "text/plain;charset=system" or "text/plain" and
       supported by QTextDrag.

       CF_DIB - converted to "image/*", where * is a Qt image format, and
       supported by QImageDrag.

       CF_HDROP - converted to "text/uri-list", and supported by QUriDrag.

       An example use of this class would be to map the Windows Metafile
       clipboard format (CF_METAFILEPICT) to and from the MIME type "image/x-
       wmf". This conversion might simply be adding or removing a header, or
       even just passing on the data. See the Drag-and-Drop documentation for
       more information on choosing and definition MIME types.

       You can check if a MIME type is convertible using canConvert() and can
       perform conversions with convertToMime() and convertFromMime().

       See also Drag And Drop Classes, Input/Output and Networking, and
       Miscellaneous Classes.

MEMBER FUNCTION DOCUMENTATION
QWindowsMime::QWindowsMime ()
       Constructs a new conversion object, adding it to the globally accessed
       list of available convertors.

QWindowsMime::~QWindowsMime () [virtual]
       Destroys a conversion object, removing it from the global list of
       available convertors.

QPtrList<;QWindowsMime> QWindowsMime::all () [static]
       Returns a list of all currently defined QWindowsMime objects.

bool QWindowsMime::canConvert ( const char * mime, int cf ) [pure virtual]
       Returns TRUE if the convertor can convert (both ways) between mime and
       cf; otherwise returns FALSE.

       All subclasses must reimplement this pure virtual function.

int QWindowsMime::cf ( int index ) [pure virtual]
       Returns the Windows Clipboard format supported by this convertor that
       is ordinarily at position index. This means that cf(0) returns the
       first Windows Clipboard format supported, and cf(countCf()-1) returns
       the last. If index is out of range the return value is undefined.

       All subclasses must reimplement this pure virtual function.

int QWindowsMime::cfFor ( const char * mime ) [pure virtual]
       Returns the Windows Clipboard type used for MIME type mime, or 0 if
       this convertor does not support mime.

       All subclasses must reimplement this pure virtual function.

const char * QWindowsMime::cfToMime ( int cf ) [static]
       Returns a MIME type for cf, or 0 if none exists.

QByteArray QWindowsMime::convertFromMime ( QByteArray data, const char * mime,
       int cf ) [pure virtual]
       Returns data converted from MIME type mime to Windows Clipboard format
       cf.

       Note that Windows Clipboard formats must all be self-terminating. The
       return value may contain trailing data.

       All subclasses must reimplement this pure virtual function.

QByteArray QWindowsMime::convertToMime ( QByteArray data, const char * mime,
       int cf ) [pure virtual]
       Returns data converted from Windows Clipboard format cf to MIME type
       mime.

       Note that Windows Clipboard formats must all be self-terminating. The
       input data may contain trailing data.

       All subclasses must reimplement this pure virtual function.

QWindowsMime * QWindowsMime::convertor ( const char * mime, int cf ) [static]
       Returns the most-recently created QWindowsMime that can convert between
       the mime and cf formats. Returns 0 if no such convertor exists.

const char * QWindowsMime::convertorName () [pure virtual]
       Returns a name for the convertor.

       All subclasses must reimplement this pure virtual function.

int QWindowsMime::countCf () [pure virtual]
       Returns the number of Windows Clipboard formats supported by this
       convertor.

       All subclasses must reimplement this pure virtual function.

void QWindowsMime::initialize () [static]
       This is an internal function.

const char * QWindowsMime::mimeFor ( int cf ) [pure virtual]
       Returns the MIME type used for Windows Clipboard format cf, or 0 if
       this convertor does not support cf.

       All subclasses must reimplement this pure virtual function.

SEE ALSO
       http://doc.trolltech.com/qwindowsmime.html
       http://www.trolltech.com/faq/tech.html

COPYRIGHT
       Copyright 1992-2007 Trolltech ASA, http://www.trolltech.com.  See the
       license file included in the distribution for a complete license
       statement.

AUTHOR
       Generated automatically from the source code.

BUGS
       If you find a bug in Qt, please report it as described in
       http://doc.trolltech.com/bughowto.html.	Good bug reports help us to
       help you. Thank you.

       The definitive Qt documentation is provided in HTML format; it is
       located at $QTDIR/doc/html and can be read using Qt Assistant or with a
       web browser. This man page is provided as a convenience for those users
       who prefer man pages, although this format is not officially supported
       by Trolltech.

       If you find errors in this manual page, please report them to qt-
       bugs@trolltech.com.  Please include the name of the manual page
       (qwindowsmime.3qt) and the Qt version (3.3.8).

Trolltech AS			2 February 2007		     QWindowsMime(3qt)
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