/*  * 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. */ typedef	struct	Box Box;typedef	struct	Cimage Cimage;typedef	struct	Column Column;typedef	struct	Exec Exec;typedef	struct	Line Line;typedef	struct	Page Page;typedef	struct	Row Row;typedef	struct	Runestr Runestr;typedef	struct	Text	Text;typedef	struct	Timer Timer;typedef	struct	Url Url;typedef	struct	Window Window; struct Runestr{	Rune	*r;	int	nr;}; enum{	Rowtag,	Columntag,	Tag,	Urltag,	Statustag,	Entry,	Textarea,}; struct Text{	Frame;	uint		org;	uint		q0;	uint		q1;	int		what;	Window	*w;	Rectangle scrollr;	Rectangle lastsr;	Rectangle all;	Row		*row;	Column	*col;	Runestr	rs;}; uint		textbacknl(Text*, uint, uint);int		textbswidth(Text*, Rune);int		textclickmatch(Text*, int, int, int, uint*);void		textclose(Text*);void		textdelete(Text*, uint, uint);void		textdoubleclick(Text*, uint*, uint*);void		textfill(Text*);void		textframescroll(Text*, int);void		textinit(Text *, Image *, Rectangle, Font *, Image **);void		textinsert(Text*, uint, Rune*, uint);void		textredraw(Text *, Rectangle, Font *, Image *);int		textresize(Text *, Image *, Rectangle);void		textscrdraw(Text*);void		textscroll(Text*, int);void		textselect(Text*);int		textselect2(Text *, uint *, uint *, Text **);int		textselect3(Text *, uint *, uint *);void		textset(Text *, Rune *, int);void		textsetorigin(Text*, uint, int);void		textsetselect(Text*, uint, uint);void		textshow(Text*, uint, uint, int);void		texttype(Text*, Rune);void		textmouse(Text *, Point, int); struct Line{	Rectangle	r;	int		state;	int		hastext;	int		hastable;	Box		*boxes;	Box		*lastbox;	Line		*prev;	Line		*next;}; struct Box{	Item 	*i;	Rectangle	 r; 	void		(*draw)(Box *, Page *, Image *);	void		(*mouse)(Box *, Page *, int);	void		(*key)(Box *, Page *, Rune);	Box		*prev;	Box		*next;}; Box*		boxalloc(Line *, Item *, Rectangle);void		boxinit(Box *); struct Lay{	Rectangle	r;	int		width;	int		xwall;	Line		*lines;	Line		*lastline;	Font		*font;	Ifloat	*floats;	int		laying;}; void		laypage(Page *p);Lay*		layitems(Item *, Rectangle, int);void		laydraw(Page *, Image *, Lay *);void		layfree(Lay *); struct Cimage{		Ref;	Image	*i;	Memimage *mi;	Url		*url;	Cimage	*next;}; struct Url{		Ref;			/* urls in window.url[] are not freed */	int		id;	int		method;	/* HGet or HPost */	Runestr	src;		/* requested url */	Runestr	act;		/* actual url (redirection) */	Runestr	post;		/* only set if method==HPost */	Runestr	ctype;	/* content type */}; Url*		urlalloc(Runestr *, Runestr *, int);void		urlfree(Url *);Url*		urldup(Url *);int		urlopen(Url *); struct Page{	Url		*url;	Runestr	title;	Window	*w;	Image	*b; 	Rectangle	r;	Rectangle all;	Rectangle	vscrollr;	Rectangle	hscrollr;	Row		*row;	Column	*col; 	Docinfo	*doc;	Kidinfo	*kidinfo;	Item		*items;	Lay		*lay;	Point		pos; 	int		selecting;	Point		top, bot;	Box		*topbx, *botbx; 	int		aborting;	int		changed;	int		loading; 	Rune		*status; 	Page		*parent;	Page		*child;	Page		*next; 	Cimage 	**cimage;	int		ncimage; 	struct{		long	t;		Runestr rs;	}refresh;}; void		pageget(Page *, Runestr *, Runestr *, int, int);void		pageload(Page *, Url *, int);void		pageclose(Page *);void		pageredraw(Page *);void		pagerender(Page *);void		pagemouse(Page *, Point, int);void		pagetype(Page *, Rune, Point);void		pagescrldraw(Page *);void		pagescroll(Page *, int, int);int		pagescrollxy(Page *, int, int);int		pageabort(Page *);void		pagesnarf(Page *);void		pagesetrefresh(Page *);int		pagerefresh(Page *); struct Window{		Ref;		QLock;	Text		tag;	Text		url;	Page		page;	Text		status;	int		owner;	int		inpage;	Rectangle	r;	Column	*col;	struct{		Url	**url;		int	nurl;		int	cid;	}history;}; void		wininit(Window *, Window *, Rectangle);int		winclean(Window *, int);void		winclose(Window *);int		winresize(Window *, Rectangle, int);Text*	wintext(Window *, Point);void		winlock(Window *, int);void		winunlock(Window *);void		winaddhist(Window *, Url *);void		wingohist(Window *, int);void		winsettag(Window *);void		winseturl(Window *);void		winsetstatus(Window *w, Rune *);Text*	wintype(Window *, Point, Rune);Text*	winmouse(Window *, Point, int);void		winmousebut(Window *);void		windebug(Window *); struct Column{	Rectangle r;	Text	tag;	Row		*row;	Window	**w;	int		nw;	int		safe;}; void		colinit(Column*, Rectangle);Window*	coladd(Column*, Window*, Window*, int);void		colclose(Column*, Window*, int);void		colcloseall(Column*);void		colresize(Column*, Rectangle);Text*	colwhich(Column*, Point, Rune, int);void		coldragwin(Column*, Window*, int);void		colgrow(Column*, Window*, int);int		colclean(Column*);void		colsort(Column*);void		colmousebut(Column*); struct Row{	QLock;	Rectangle r;	Text	tag;	Column	**col;	int		ncol; }; void		rowinit(Row*, Rectangle);Column*	rowadd(Row*, Column *c, int);void		rowclose(Row*, Column*, int);Text*	rowwhich(Row*, Point, Rune, int);Column*	rowwhichcol(Row*, Point);void		rowresize(Row*, Rectangle);void		rowdragcol(Row*, Column*, int but); struct Exec{	char		*cmd;	int		p[2];		/* p[1] is write to program; p[0] set to prog fd 0*/	int		q[2];		/* q[0] is read from program; q[1] set to prog fd 1 */	Channel	*sync;	/* chan(ulong) */}; struct Timer{	int		dt;	int		cancel;	Channel	*c;		/* chan(int) */	Timer	*next;}; enum{	Scrollsize	=	12,	Scrollgap	=	4,	Margin =		4,	Border =		2,	Space  =		2,	Tabspace =	30,	Boxsize =		12,	WFont =		FntR*NumSize+Tiny, 	Panspeed = 	4,	Maxtab =		8, 	BUFSIZE =		1024*8,	RBUFSIZE =	BUFSIZE/sizeof(Rune),	STACK =		64*1024,}; enum{	FALSE,	TRUE,	XXX,}; enum{	Light = 0xEEEEEE,	Dark = 0x666666,	Red = 0xBB0000,	Back = 0xCCCCCC,}; Mouse		*mouse;Mousectl		*mousectl;Keyboardctl	*keyboardctl;Image		*tagcols[NCOL];Image		*textcols[NCOL];Image		*but2col;Image		*but3col;Image		*button;Image		*colbutton;Font			*passfont;Cursor		boxcursor;Row			row;Text			*argtext;Text			*seltext;Text			*typetext;Page			*selpage;Column		*activecol;char			*webmountpt;int			plumbsendfd;int			webctlfd;char			*charset;int			procstderr; enum{	Kscrolloneup		= KF|0x20,	Kscrollonedown	= KF|0x21,}; Channel		*cplumb;		/* chan(Plumbmsg*) */Channel		*cexit;		/* chan(int) */Channel		*crefresh;		/* chan(page *) */