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-rw-r--r--kdecore/kmultipledrag.cpp82
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diff --git a/kdecore/kmultipledrag.cpp b/kdecore/kmultipledrag.cpp
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+/* This file is part of the KDE project
+ Copyright (C) 2001 David Faure <faure@kde.org>
+
+ This program 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.
+
+ This program 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 program; see the file COPYING. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+
+#include "kmultipledrag.h"
+#include "kdebug.h"
+
+#ifndef QT_NO_DRAGANDDROP
+
+KMultipleDrag::KMultipleDrag( QWidget *dragSource, const char *name )
+ : QDragObject( dragSource, name )
+{
+ m_dragObjects.setAutoDelete( true );
+}
+
+void KMultipleDrag::addDragObject( QDragObject *dragObject )
+{
+ //kdDebug() << "KMultipleDrag::addDragObject" << endl;
+ m_dragObjects.append( dragObject );
+ // We need to find out how many formats this dragObject supports
+ int i = 0;
+ while ( dragObject->format( i ) )
+ ++i;
+ m_numberFormats.append( i ); // e.g. if it supports two formats, 0 and 1, store 2.
+}
+
+QByteArray KMultipleDrag::encodedData( const char *mime ) const
+{
+ //kdDebug() << "KMultipleDrag::encodedData " << mime << endl;
+ // Iterate over the drag objects, and find the format in the right one
+ QPtrListIterator<QDragObject> it( m_dragObjects );
+ for ( ; it.current(); ++it )
+ {
+ for ( int i = 0; it.current()->format( i ); ++i )
+ {
+ if ( ::qstrcmp( it.current()->format( i ), mime ) == 0 )
+ return it.current()->encodedData( mime );
+ }
+ }
+ return QByteArray();
+}
+
+const char* KMultipleDrag::format( int i ) const
+{
+ //kdDebug() << "KMultipleDrag::format " << i << endl;
+ // example: m_numberFormats: 1, 4
+ // m_dragObjects: storeddrag, textdrag
+ // i=0 -> storeddrag->format( 0 )
+ // i=1 -> textdrag->format( 0 )
+ // i=2 -> textdrag->format( 1 )
+ // etc.
+ QValueList<int>::ConstIterator nit = m_numberFormats.begin();
+ QValueList<int>::ConstIterator nend = m_numberFormats.end();
+ QPtrListIterator<QDragObject> it( m_dragObjects );
+ for ( ; nit != nend && i >= *nit ; ++nit, ++it )
+ i -= *nit;
+ if ( it.current() )
+ return it.current()->format( i );
+ return 0;
+}
+
+void KMultipleDrag::virtual_hook( int, void* )
+{ /*BASE::virtual_hook( id, data );*/ }
+
+#include "kmultipledrag.moc"
+
+#endif