// =================================================================================
//	CDDListBox.h			©1995 J. Rodden, DD/MF & Associates. All rights reserved
//
//	Based on:
//	 CDDxList				©1995 Malcolm Pradhan. All rights reserved
// =================================================================================

#pragma once

#include <CDragAndDrop.h>
#include <CBetterListBox.h>

#ifndef __LISTS__
#include <Lists.h>
#endif

typedef struct {
	Cell	vCell;
	long	vSenderID;
} listBoxFlavor;

const long CDDListBoxID = 'dlst';
const FlavorType listBoxFlavorType = CDDListBoxID;

class CDDListBox : public CBetterListBox,
				   public CDragAndDrop {
public:
  	enum { classID = CDDListBoxID };
  	
	static CDDListBox*	CreateFromStream(LStream *inStream);

					CDDListBox();
					CDDListBox(LStream *inStream);

protected:
	virtual void	FinishCreateSelf();

	virtual Boolean	ClickInCell(const SMouseDownEvent &inMouseDown,
									Rect& inRect, Cell& inCell);

					// Drag and Drop
					
	short			mInsertDrop;
	Boolean			mAcceptsInternalDrags;
	Boolean			mDrawInsertionLine;
					
	virtual	void	AddFlavors(DragReference inDragRef);
	virtual void	SetLocalFrame();

	virtual Boolean	ItemIsAcceptable( DragReference inDragRef, ItemReference inItemRef);

	virtual void	LeaveDropArea  (DragReference inDragRef);
	virtual void	HiliteDropArea (DragReference inDragRef);
	virtual void	InsideDropArea (DragReference inDragRef, Point& theMouseLocation,
									Point& thePinnedLocation);
	virtual void	ReceiveDragItem(DragReference inDragRef, ItemReference inItemRef,
							Boolean inCopyData, Boolean inFromFinder, Rect& inItemBounds);
	virtual void	CopyOrMoveDragData( void* inDragData, Size inDataSize, Boolean inCopyData,
							Boolean inFromFinder, Rect&	inItemBounds);
											
	virtual void	CopyCell( Cell inSrcCell, Cell inDestCell);

			void	ListBoxDragCleanup();
			void	InvertCellEdge (Cell theCell);
			void	CleanInsertionLine (void);
};