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83 lines
2.7 KiB
83 lines
2.7 KiB
15 years ago
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/* This file is part of the KDE project
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Copyright (C) 2001 David Faure <faure@kde.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "kmultipledrag.h"
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#include "kdebug.h"
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#ifndef QT_NO_DRAGANDDROP
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KMultipleDrag::KMultipleDrag( QWidget *dragSource, const char *name )
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: QDragObject( dragSource, name )
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{
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m_dragObjects.setAutoDelete( true );
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}
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void KMultipleDrag::addDragObject( QDragObject *dragObject )
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{
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//kdDebug() << "KMultipleDrag::addDragObject" << endl;
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m_dragObjects.append( dragObject );
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// We need to find out how many formats this dragObject supports
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int i = 0;
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while ( dragObject->format( i ) )
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++i;
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m_numberFormats.append( i ); // e.g. if it supports two formats, 0 and 1, store 2.
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}
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QByteArray KMultipleDrag::encodedData( const char *mime ) const
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{
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//kdDebug() << "KMultipleDrag::encodedData " << mime << endl;
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// Iterate over the drag objects, and find the format in the right one
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QPtrListIterator<QDragObject> it( m_dragObjects );
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for ( ; it.current(); ++it )
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{
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for ( int i = 0; it.current()->format( i ); ++i )
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{
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if ( ::qstrcmp( it.current()->format( i ), mime ) == 0 )
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return it.current()->encodedData( mime );
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}
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}
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return QByteArray();
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}
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const char* KMultipleDrag::format( int i ) const
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{
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//kdDebug() << "KMultipleDrag::format " << i << endl;
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// example: m_numberFormats: 1, 4
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// m_dragObjects: storeddrag, textdrag
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// i=0 -> storeddrag->format( 0 )
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// i=1 -> textdrag->format( 0 )
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// i=2 -> textdrag->format( 1 )
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// etc.
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QValueList<int>::ConstIterator nit = m_numberFormats.begin();
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QValueList<int>::ConstIterator nend = m_numberFormats.end();
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QPtrListIterator<QDragObject> it( m_dragObjects );
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for ( ; nit != nend && i >= *nit ; ++nit, ++it )
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i -= *nit;
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if ( it.current() )
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return it.current()->format( i );
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return 0;
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}
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void KMultipleDrag::virtual_hook( int, void* )
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{ /*BASE::virtual_hook( id, data );*/ }
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#include "kmultipledrag.moc"
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#endif
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