/*  * 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/libcontrol"#pragma lib "libcontrol.a" #pragma	varargck	argpos	ctlprint	2#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,	Ctltextbutton3,	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, ...); /* 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*);Control*	createtextbutton3(Controlset*, char*); /* user-supplied */void		resizecontrolset(Controlset*); int		_ctlsnarffd;char		*alignnames[];int		ctldeletequits;