/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ #pragma src "/sys/src/libdraw"#pragma lib "libdraw.a" typedef struct	Cursor Cursor;typedef struct	Event Event;typedef struct	Menu Menu; enum{	Emouse		= 1,	Ekeyboard	= 2,}; enum{	MAXSLAVE = 32,	EMAXMSG = 128+8192,	/* size of 9p header+data */}; struct	Mouse{	int	buttons;	/* bit array: LMR=124 */	Point	xy;	ulong	msec;}; struct	Event{	int	kbdc;	Mouse	mouse;	int	n;		/* number of characters in message */	void	*v;		/* data unpacked by general event-handling function */	uchar	data[EMAXMSG];	/* message from an arbitrary file descriptor */}; struct Menu{	char	**item;	char	*(*gen)(int);	int	lasthit;}; /* * Events */extern void	 einit(ulong);extern ulong	 estart(ulong, int, int);extern ulong	 estartfn(ulong, int, int, int (*fn)(int, Event*, uchar*, int));extern ulong	 etimer(ulong, int);extern ulong	 event(Event*);extern ulong	 eread(ulong, Event*);extern Mouse	 emouse(void);extern int	 ekbd(void);extern int	 ecanread(ulong);extern int	 ecanmouse(void);extern int	 ecankbd(void);extern void	 eresized(int);	/* supplied by user */extern int	 emenuhit(int, Mouse*, Menu*);extern int	eatomouse(Mouse*, char*, int);extern Rectangle	getrect(int, Mouse*);extern void	 esetcursor(Cursor*);extern void	 emoveto(Point);extern Rectangle	egetrect(int, Mouse*);extern void		edrawgetrect(Rectangle, int);extern int		ereadmouse(Mouse*);extern int		eatomouse(Mouse*, char*, int);