/*
 * MathPlanner 3.1 - Mathematical design tool.
 * Copyright(C) 2002  Jarmo Nikkanen
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation.
 *
 * You should have received a copy of the GNU General Public License with this program.
 *
 */

#ifndef _MATHPLANNER_DRAGDROP_H
#define _MATHPLANNER_DRAGDROP_H

#include <qimage.h>
#include <qpicture.h>
#include <qmime.h>
#include <qdragobject.h>
#include <qstring.h>
#include <qcstring.h>

#include "Frame.h"

class DataStorage;
class ApplicationControl;
class Paper;


class DataDragObject : public QDragObject
{
         class DataStorage *datastore;


         public:
         DataDragObject(class DataStorage *,QWidget *w=NULL);
         ~DataDragObject();

         QByteArray encodedData(const char *) const;
         const char *format(int x=0) const;

         static class DataStorage *Decode(QMimeSource *);
         static bool canDecode(QMimeSource *);
};



class MathDragObject : public QDragObject
{
         class DataStorage *datastore;
         QImage image;
         QPicture pic;

         public:
         MathDragObject(QWidget *w=NULL,class MathFrame *f=NULL);
         ~MathDragObject();

         QByteArray encodedData(const char *) const;
         const char *format(int x=0) const;

         static class DataStorage *Decode(QMimeSource *);
         static bool canDecode(QMimeSource *);



};


class ImageDragObject : public QDragObject
{
         QImage image;

         public:
         ImageDragObject(QImage,QWidget *w=NULL,const char *name=NULL);
         ImageDragObject(QWidget *w=NULL,const char *name=NULL);
         ~ImageDragObject();

         QByteArray encodedData(const char *) const;
         const char *format(int x=0) const;

         static QImage Decode(QMimeSource *);
         static QImage Decode(QByteArray,const char *);
         static bool canDecode(QMimeSource *);
};


class QPictureDragObject : public QDragObject
{
         QByteArray array;

         public:
         QPictureDragObject(QPicture *,QWidget *w=NULL,const char *name=NULL);
         QPictureDragObject(QWidget *w=NULL,const char *name=NULL);
         ~QPictureDragObject();

         QByteArray encodedData(const char *) const;
         const char *format(int x=0) const;

         static QPicture *Decode(QMimeSource *);
         static QPicture *Decode(QByteArray);
         static bool canDecode(QMimeSource *);
};


#endif