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Diffstat (limited to 'karbon/karbon_drag.cpp')
-rw-r--r-- | karbon/karbon_drag.cpp | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/karbon/karbon_drag.cpp b/karbon/karbon_drag.cpp new file mode 100644 index 00000000..c605bb3c --- /dev/null +++ b/karbon/karbon_drag.cpp @@ -0,0 +1,122 @@ +/* This file is part of the KDE project + Copyright (C) 2001, 2002, 2003 The Karbon Developers + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. +*/ + +#include "karbon_drag.h" + +#include <qcstring.h> +#include <qdom.h> +#include <qtextstream.h> + +#include "vdocument.h" + +QCString KarbonDrag::m_encodeFormats[NumEncodeFmts]; +QCString KarbonDrag::m_decodeFormats[NumDecodeFmts]; + +KarbonDrag::KarbonDrag( QWidget *dragSource, const char *name ) + : QDragObject( dragSource, name ) +{ + m_encodeFormats[0] = "application/vnd.kde.karbon"; + m_decodeFormats[0] = "application/vnd.kde.karbon"; +} + +const char * +KarbonDrag::format( int i ) const +{ + if( i < NumEncodeFmts ) { + return m_encodeFormats[i]; + } + + return 0L; +} + +QByteArray +KarbonDrag::encodedData( const char* mimetype ) const +{ + QCString result; + + if( m_encodeFormats[0] == mimetype ) + { + VObjectListIterator itr( m_objects ); + // build a xml fragment containing the selection as karbon xml + QDomDocument doc( "clip" ); + QDomElement elem = doc.createElement( "clip" ); + QTextStream ts( result, IO_WriteOnly ); + + for( ; itr.current() ; ++itr ) + itr.current()->save( elem ); + + ts << elem; + } + + return result; +} + +bool +KarbonDrag::canDecode( QMimeSource* e) +{ + for( int i = 0; i < NumDecodeFmts; i++ ) + { + if( e->provides( m_decodeFormats[i] ) ) + return true; + } + + return false; +} + +bool +KarbonDrag::decode( QMimeSource* e, VObjectList& sl, VDocument& vdoc ) +{ + if( e->provides( m_decodeFormats[0] ) ) + { + QDomDocument doc( "clip" ); + QByteArray data = e->encodedData( m_decodeFormats[0] ); + doc.setContent( QCString( data, data.size()+1 ) ); + QDomElement clip = doc.documentElement(); + // Try to parse the clipboard data + if( clip.tagName() == "clip" ) + { + VGroup grp( &vdoc ); + grp.load( clip ); + VObjectListIterator itr( grp.objects() ); + for( ; itr.current() ; ++itr ) + { + VObject *obj = itr.current()->clone(); + obj->setParent( 0L ); + sl.append( obj ); + } + + return true; + } + } + + return false; +} + +void +KarbonDrag::setObjectList( VObjectList l ) +{ + VObjectListIterator itr( l ); + m_objects.clear(); + + for( ; itr.current() ; ++itr ) + m_objects.append( itr.current()->clone() ); +} + +#include "karbon_drag.moc" + |