/*
 *  Window layer
 *
 *
 *  COPYRIGHT (c) 2001 - 2010.
 *  emTech System Corporation.
 *
 *  The license and distribution terms for this file may be
 *  found in found in the file LICENSE.
 */

/*	Huangf emcore@263.net
 */

#ifndef __WINDOW_h
#define __WINDOW_h

/*  mode of the form */
#define		MAINWND				1
#define		APPMODAL			2
#define		SYSMODAL			3
#define		SUBWIN				4

#define 	WINMODE_MAX			SUBWIN

typedef struct Window Window;
/*  Wnd Struct */
struct Window{
	Chain_Node		node;
	Chain_Control	subWinList;

	Window			*parent;
	Application		*application;

	unsigned32		(*wndProc)();	/*  Window handle procedure */
	void			*drawArea;		/*  drawing memory pointer */
	void			*memory;		/*  memory for window */

	short			mode;

	short			left;
	short			top;
	short			right;
	short			bottom;

	/*  Window invalid RECT */
	short			paint_count;
	
	short			invalid_l;
	short			invalid_t;
	short			invalid_r;
	short			invalid_b;
/*  for old code compatible */
#define pMem		drawArea	
};
typedef struct Window Wnd;
typedef struct Window *WndID;

#define WndDrawArea(_win)	((_win)->drawArea)
#define FirstWindow(_app)	((Window *)((_app)->WinList.first))
#define WndDrawMemory(_win)	WndDrawArea((_win))

void WndInitialization();

WndID CreateWindow(
	AppID		pApp,
	WndID		parent,
	int 		mode,
	void		*wndProc,
	int			l,
	int			t,
	int			w,
	int			h
);

void DestroyWindow(
	WndID		win
);

void _DestroyWindow(
	WndID	win
);

Window *FindWindow(
	Application *app,
	int			x,
	int			y
);

void HideWindow(
	WndID	win
);

void ShowWindow(
	WndID	win
);

void InvalidateRect(
	WndID	win,
	LPRECT	lpRect
);

#endif