//**********************************************************************
// File name: doc.h
//
//      Definition of CSimpleDoc
//
// Copyright (c) 1992 - 1993 Microsoft Corporation. All rights reserved.
//**********************************************************************

#if !defined( _DOC_H_ )
#define _DOC_H_

#include "idt.h"
#include "ids.h"

class CSimpleSite;
class CSimpleApp;

class CSimpleDoc : public IUnknown
{
public:
	int             m_nCount;           // reference count
	LPSTORAGE       m_lpStorage;        // IStorage* pointer for Doc
	BOOL            m_fModifiedMenu;    // is object's verb menu on menu

	// Drag/Drop related fields
	BOOL            m_fRegDragDrop;     // is doc registered as drop target?
	BOOL            m_fLocalDrag;       // is doc source of the drag
	BOOL            m_fLocalDrop;       // was doc target of the drop
	BOOL            m_fCanDropCopy;     // is Drag/Drop copy/move possible?
	BOOL            m_fCanDropLink;     // is Drag/Drop link possible?
	BOOL            m_fDragLeave;       // has drag left
	BOOL            m_fPendingDrag;     // LButtonDown--possible drag pending
	POINT           m_ptButDown;        // LButtonDown coordinates

	CSimpleSite FAR * m_lpSite;
	CSimpleApp FAR * m_lpApp;

	HWND m_hDocWnd;

	CDropTarget m_DropTarget;
	CDropSource m_DropSource;

	static CSimpleDoc FAR* Create(CSimpleApp FAR *lpApp, LPRECT lpRect,
			HWND hWnd);

	void Close(void);

	CSimpleDoc();
	CSimpleDoc(CSimpleApp FAR *lpApp, HWND hWnd);
	~CSimpleDoc();

	// IUnknown Interface
	STDMETHODIMP QueryInterface(REFIID riid, LPVOID FAR* ppvObj);
	STDMETHODIMP_(ULONG) AddRef();
	STDMETHODIMP_(ULONG) Release();

	void InsertObject(void);
	void DisableInsertObject(void);
	long lResizeDoc(LPRECT lpRect);
	long lAddVerbs(void);
	void PaintDoc(HDC hDC);

	// Drag/Drop and clipboard support methods
	void CopyObjectToClip(void);
	BOOL QueryDrag(POINT pt);
	DWORD DoDragDrop(void);
	void Scroll(DWORD dwScrollDir) { /*...scroll Doc here...*/ }
};

#endif  // _DOC_H_
