/*
Copyright (C) 1996 César Crusius

This file is part of the DND Library.  This library 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, or (at your
option) any later version.  This library 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 library; if not, write to the Free Software
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#ifndef __DragAndDropH__
#define __DragAndDropH__ 1L

/* The standard DND types are defined here */
#include "DragAndDropTypes.h"

/* Xt stuff is defined here */
#include <X11/Intrinsic.h>

void DndInitialize(Widget shell);

void DndRegisterRootDrop(XtEventHandler handler);
void DndRegisterIconDrop(XtEventHandler handler);
void DndRegisterOtherDrop(XtEventHandler handler);

void
DndRegisterDropWidget(Widget widget,
		      XtEventHandler handler,
		      XtPointer data);
void
DndRegisterDragWidget(Widget widget,
		      XtEventHandler handler,
		      XtPointer data);

int
DndHandleDragging(Widget widget,
		  XEvent* event);

void DndMultipleShells(void);
void DndAddShell(Widget widget);

void DndSetData(int Type,unsigned char *Data,unsigned long Size);
void DndGetData(unsigned char **Data,unsigned long *Size);
		
int		DndIsIcon(Widget widget);
int		DndDataType(XEvent *event);
unsigned int	DndDragButtons(XEvent *event);
Widget		DndSourceWidget(XEvent *event);
Window          DndSourceWindow(XEvent *event);

void
DndDropCoordinates(Widget widget,
		   XEvent *event,
		   int *x,
		   int *y);
void            
DndDropRootCoordinates(XEvent *event,
		       int *x,
		       int *y);

long
DndProtocolVersion(XEvent *event);

int
DndIsDropMessage(XEvent *event);

void
DndChangeCursor(int Type,
		int width,int height,
		char *image,char *mask,
		int hot_x,int hot_y);
#endif