//+---------------------------------------------------------------------------
//
//  Microsoft Windows
//  Copyright (C) Microsoft Corporation, 1992 - 1994.
//
//  File:	inplace.h
//
//  Contents:	inplace.h from OLE2
//
//  History:	11-Apr-94	DrewB	Copied from OLE2
//
//----------------------------------------------------------------------------

#if !defined( _INPLACE_H_ )
#define _INPLACE_H_

// This ACCEL structure and the related constants definitions come with WIN32.
// Win31 also uses the same stuff internally but it's not exposed in the 
// header files. 

#ifndef FVIRTKEY 

#define FVIRTKEY  TRUE		// Assumed to be == TRUE
#define FLASTKEY  0x80		// Indicates last key in the table
#define FNOINVERT 0x02
#define FSHIFT	  0x04
#define FCONTROL  0x08
#define FALT	  0x10

#pragma pack(1)
typedef struct tagACCEL {	// Accelerator Table structure
	BYTE	fVirt;
	WORD	key;
	WORD	cmd;
} ACCEL, FAR* LPACCEL;
#pragma pack()

#endif // FVIRTKEY


typedef struct tagOLEMENUITEM {
	UINT	item;
	WORD	fwPopup;
	BOOL	fObjectMenu;
} OLEMENUITEM;
typedef OLEMENUITEM FAR* LPOLEMENUITEM;

typedef struct tagOLEMENU {
	WORD						wSignature;
	HWND						hwndFrame;
	HMENU						hmenuCombined;
	OLEMENUGROUPWIDTHS			MenuWidths;
	LONG						lMenuCnt;
	OLEMENUITEM					menuitem[1];
} OLEMENU;
typedef OLEMENU FAR* LPOLEMENU;


class FAR CFrameFilter 
{
public:
	static HRESULT Create(HOLEMENU hOleMenu, HMENU hmenuCombined, 
				HWND hwndFrame,	HWND hwndActiveObj,	
				LPOLEINPLACEFRAME lpFrame, 
				LPOLEINPLACEACTIVEOBJECT lpActiveObj);
		
	CFrameFilter (HWND hwndFrame, HWND hwndActiveObj);		
	~CFrameFilter(void);
	
	inline LRESULT	OnSysCommand(UINT uParam, LONG lParam);
	inline void		OnEnterMenuMode(void);
	inline void		OnExitMenuMode(void);
	inline void		OnEnterAltTabMode(void);
	inline void		OnExitAltTabMode(void);	
	inline LRESULT	OnMessage(UINT msg, UINT uParam, LONG lParam);	
	inline void		IsObjectMenu (UINT uMenuItem, UINT fwMenu);
	inline BOOL		IsMenuCollision(UINT uParam, LONG lParam);	
	inline BOOL		DoContextSensitiveHelp();
		
private:
	HWND						m_hwndObject;
	HWND						m_hwndFrame;
	LPOLEINPLACEFRAME			m_lpFrame;
	LPOLEINPLACEACTIVEOBJECT	m_lpObject;
	WNDPROC						m_lpfnPrevWndProc;
	BOOL						m_fObjectMenu;
	BOOL						m_fCurItemPopup;
	BOOL						m_fInMenuMode;
	BOOL						m_fDiscardWmCommand;
	BOOL						m_fGotMenuCloseEvent;
	UINT						m_cmdId;
	UINT						m_uCurItemID;
	HOLEMENU					m_hOleMenu;
	HMENU						m_hmenuCombined;
	HWND						m_hwndFocusOnEnter;
	int							m_cAltTab;
};

typedef CFrameFilter FAR* PCFRAMEFILTER;


OLEAPI_(LRESULT) FrameWndFilterProc (HWND hwnd, UINT msg, UINT uParam, 	LONG lParam);
OLEAPI_(LRESULT) MessageFilterProc(int nCode, WPARAM wParam, LPARAM lParam);

BOOL IsMDIAccelerator(LPMSG lpMsg, WORD FAR* cmd);

inline PCFRAMEFILTER wGetFrameFilterPtr(HWND hwndFrame);

LPOLEMENU	wGetOleMenuPtr(HOLEMENU holemenu);
inline void	wReleaseOleMenuPtr(HOLEMENU holemenu);

inline UINT wSysKeyToKey(LPMSG lpMsg);

#endif // _INPLACE_H