#pragma src "/sys/src/libcontrol"#pragma lib "libcontrol.a" #pragma	varargck	type	"q"	char*#pragma	varargck	type	"Q"	Rune*#pragma	varargck	argpos	ctlprint	2 typedef struct Control Control;typedef struct Controlset Controlset;typedef struct CParse CParse;typedef struct CCache CCache;typedef struct CCache CImage;typedef struct CCache CFont; enum	/* types */{	Ctlunknown,	Ctlbox,	Ctlbutton,	Ctlentry,	Ctlkeyboard,	Ctllabel,	Ctlmenu,	Ctlradio,	Ctlscribble,	Ctlslider,	Ctltabs,	Ctltext,	Ctltextbutton,	Ctlgroup,		// divider between controls and metacontrols	Ctlboxbox,	Ctlcolumn,	Ctlrow,	Ctlstack,	Ctltab,	Ntypes,}; struct Controlset{	Control		*controls;	Image		*screen;	Control		*actives;	Control		*focus;	Channel		*ctl;	Channel		*data;		/* currently only for sync */	Channel		*kbdc;	Channel		*mousec;	Channel		*resizec;	Channel		*resizeexitc;	Channel		*csexitc;	Keyboardctl	*keyboardctl;	/* will be nil if user supplied keyboard */	Mousectl		*mousectl;	/* will be nil if user supplied mouse */	int			clicktotype;	/* flag */}; struct Control{	/* known to client */	char			*name;	Rectangle		rect;	Rectangle		size;				/* minimum/maximum Dx, Dy (not a rect) */	Channel		*event;			/* chan(char*) to client */	Channel		*data;			/* chan(char*) to client */	/* internal to control set */	int			type;	int			hidden;			/* hide hides, show unhides (and redraws) */	Controlset	*controlset;	Image		*screen;			/* where Control appears */	char			*format;			/* used to generate events */	char			wevent;			/* event channel rewired */	char			wdata;			/* data channel rewired */	/* method table */	void			(*ctl)(Control*, CParse*);	void			(*mouse)(Control*, Mouse*);	void			(*key)(Control*, Rune*);	void			(*exit)(Control*);	void			(*setsize)(Control*);	void			(*activate)(Control*, int);	Control		*nextactive;	Control		*next;}; struct CCache{	union{		Image	*image;		Font		*font;	};	char		*name;	int		index;			/* entry number in cache */	int		ref;				/* one for client, plus one for each use */}; struct CParse{	char	str[256];	char	*sender;	char *receiver;	int	cmd;	char	*pargs[32];	int	iargs[32];	char	**args;	int nargs;}; enum	/* alignments */{	Aupperleft = 0,	Auppercenter,	Aupperright,	Acenterleft,	Acenter,	Acenterright,	Alowerleft,	Alowercenter,	Alowerright,	Nalignments}; enum{	_Ctlmaxsize = 10000,}; extern char *ctltypenames[]; /* Functions used internally */void		_ctladdgroup(Control*, Control*);void		_ctlargcount(Control*, CParse*, int);Control*	_createctl(Controlset*, char*, uint, char*);Rune*	_ctlrunestr(char*);char*	_ctlstrrune(Rune*);void		_ctlputsnarf(Rune*);Rune*	_ctlgetsnarf(void);int		_ctlalignment(char*);Point		_ctlalignpoint(Rectangle, int, int, int);void		_ctlfocus(Control*, int);void		_activategroup(Control*);void		_deactivategroup(Control*);int		_ctllookup(char *s, char *tab[], int ntab);void		_ctlprint(Control *c, char *fmt, ...);int		ctlparse(CParse*, char*, int); /* images */CImage*	_getctlimage(char*);void		_setctlimage(Control*, CImage**, char*);void		_putctlimage(CImage*);CFont*	_getctlfont(char*);void		_putctlfont(CFont*); /* fonts */CImage*	_getctlfont(char*);void		_setctlfont(Control*, CImage**, char*);void		_putctlfont(CImage*);CFont*	_getctlfont(char*);void		_putctlfont(CFont*); /* Public functions */ /* images */int		namectlimage(Image*, char*);int		freectlimage(char*);/* fonts */int		namectlfont(Font*, char*);int		freectlfont(char*);/* commands */int		ctlprint(Control*, char*, ...); /* general */void			initcontrols(void);Controlset*	newcontrolset(Image*, Channel*, Channel*, Channel*);void			closecontrolset(Controlset*);void			closecontrol(Control*);void			ctlerror(char*, ...);Control*		controlcalled(char*); /* publicly visible error-checking allocation routines */void*	ctlmalloc(uint);void*	ctlrealloc(void*, uint);char*	ctlstrdup(char*); /* creation */void		controlwire(Control*, char*, Channel*);void		activate(Control*);void		deactivate(Control*);Control*	createbox(Controlset*, char*);Control*	createbutton(Controlset*, char*);Control*	createcolumn(Controlset*, char*);Control*	createboxbox(Controlset*, char*);Control*	createentry(Controlset*, char*);Control*	createkeyboard(Controlset*, char*);Control*	createlabel(Controlset*, char*);Control*	createmenu(Controlset*, char*);Control*	createradiobutton(Controlset*, char*);Control*	createrow(Controlset*, char*);Control*	createscribble(Controlset*, char*);Control*	createslider(Controlset*, char*);Control*	createstack(Controlset*, char*);Control*	createtab(Controlset*, char*);Control*	createtext(Controlset*, char*);Control*	createtextbutton(Controlset*, char*); /* user-supplied */void		resizecontrolset(Controlset*); int		_ctlsnarffd;char		*alignnames[];int		ctldeletequits;