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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.
-*/
-
-#ifndef KMULTIPLEDRAG_H
-#define KMULTIPLEDRAG_H
-
-#ifndef QT_NO_DRAGANDDROP
-
-#include <tqdragobject.h>
-#include <tqvaluelist.h>
-#include "kdelibs_export.h"
-
-class KMultipleDragPrivate;
-/**
- * This class makes it easy for applications to provide a drag object
- * (for drag-n-drop or for clipboard) that has several representations
- * of the same data, under different formats.
- *
- * Instead of creating a specific class for each case (as would otherwise
- * be necessary), you can simply create independent drag objects (e.g.
- * a TQImageDrag object and a KURLDrag object), and bundle them together
- * using KMultipleDrag.
- *
- * Sample code for this:
- *
- * \code
- * KMultipleDrag *drag = new KMultipleDrag( parentWidget );
- * drag->addDragObject( new TQImageDrag( someQImage, 0 ) );
- * drag->addDragObject( new KURLDrag( someKURL, 0 ) );
- * drag->drag();
- * \endcode
- *
- * Note that the drag objects added to the multiple drag become owned by it.
- * For that reason their parent should be 0.
- *
- * @author David Faure <faure@kde.org>
- */
-class KDECORE_EXPORT KMultipleDrag : public TQDragObject
-{
- Q_OBJECT
-
-public:
- /**
- * Create a new KMultipleDrag object.
- * @param dragSource the parent object which is the source of the data,
- * 0 for a parent-less object
- * @param name the name of the object, can be 0
- */
- KMultipleDrag( TQWidget *dragSource = 0, const char *name = 0 );
-
- /**
- * Call this to add each underlying drag object to the multiple drag object.
- * The drag object should not have a parent because the multiple drag object
- * will own it.
- *
- * @param dragObject the drag object to add. Should have no parent object.
- */
- void addDragObject( TQDragObject *dragObject );
-
- /**
- * Returns the data of a drag object with that supports the given
- * mime type.
- * @param mime the mime type to search
- * @return the data, or a null byte array if not found
- * @reimp
- */
- virtual TQByteArray tqencodedData( const char *mime ) const;
-
- /**
- * Returns the @p i'th supported format, or 0.
- * @param i the number of the format to check
- * @return the format with the number @p i, or 0 otherwise
- * @reimp
- */
- virtual const char* format( int i ) const;
-
-protected:
-// KDE4: make private
- TQPtrList<TQDragObject> m_dragObjects;
- TQValueList<int> m_numberFormats;
-protected:
- virtual void virtual_hook( int id, void* data );
-private:
- KMultipleDragPrivate* d;
-};
-
-#endif // QT_NO_DRAGANDDROP
-
-#endif // KMULTIPLEDRAG_H