1 files changed, 82 insertions, 0 deletions
diff --git a/kdecore/kmultipledrag.cpp b/kdecore/kmultipledrag.cpp
new file mode 100644
index 000000000..03ad74294
--- /dev/null
+++ b/kdecore/kmultipledrag.cpp
@@ -0,0 +1,82 @@
+/* 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