1 8ad51794 2004-03-25 devnull #include <u.h>
  2 42c3794c 2004-10-17 devnull #include <signal.h>
  3 8ad51794 2004-03-25 devnull #include <libc.h>
  4 8ad51794 2004-03-25 devnull #include <ctype.h>
  5 8ad51794 2004-03-25 devnull #include <draw.h>
  6 8ad51794 2004-03-25 devnull #include <thread.h>
  7 8ad51794 2004-03-25 devnull #include <mouse.h>
  8 8ad51794 2004-03-25 devnull #include <cursor.h>
  9 8ad51794 2004-03-25 devnull #include <keyboard.h>
 10 8ad51794 2004-03-25 devnull #include <frame.h>
 11 8ad51794 2004-03-25 devnull #include <plumb.h>
 12 8ad51794 2004-03-25 devnull #include <complete.h>
 13 e830a908 2005-11-06 devnull #define Extern
 14 e830a908 2005-11-06 devnull #include "dat.h"
 15 e830a908 2005-11-06 devnull #include "fns.h"
 16 e830a908 2005-11-06 devnull #include "term.h"
 17 e830a908 2005-11-06 devnull 
 18 e830a908 2005-11-06 devnull int use9wm;
 19 e830a908 2005-11-06 devnull int mainpid;
 20 93921c48 2006-06-28 devnull int mousepid;
 21 e830a908 2005-11-06 devnull int plumbfd;
 22 e830a908 2005-11-06 devnull int rcpid;
 23 e830a908 2005-11-06 devnull int rcfd;
 24 e830a908 2005-11-06 devnull int sfd;
 25 e830a908 2005-11-06 devnull Window *w;
 26 e830a908 2005-11-06 devnull char *fontname;
 27 e830a908 2005-11-06 devnull 
 28 e830a908 2005-11-06 devnull void derror(Display*, char*);
 29 e830a908 2005-11-06 devnull void	mousethread(void*);
 30 e830a908 2005-11-06 devnull void	keyboardthread(void*);
 31 e830a908 2005-11-06 devnull void winclosethread(void*);
 32 e830a908 2005-11-06 devnull void deletethread(void*);
 33 e830a908 2005-11-06 devnull void rcoutputproc(void*);
 34 e830a908 2005-11-06 devnull void	rcinputproc(void*);
 35 e830a908 2005-11-06 devnull void hangupnote(void*, char*);
 36 e830a908 2005-11-06 devnull void resizethread(void*);
 37 c935adc6 2005-11-10 devnull void	servedevtext(void);
 38 e830a908 2005-11-06 devnull 
 39 e830a908 2005-11-06 devnull int errorshouldabort = 0;
 40 670f7301 2010-05-20 rsc int cooked;
 41 e830a908 2005-11-06 devnull 
 42 e830a908 2005-11-06 devnull void
 43 e830a908 2005-11-06 devnull usage(void)
 44 e830a908 2005-11-06 devnull {
 45 e830a908 2005-11-06 devnull 	fprint(2, "usage: 9term [-s] [-f font] [-W winsize] [cmd ...]\n");
 46 e830a908 2005-11-06 devnull 	threadexitsall("usage");
 47 e830a908 2005-11-06 devnull }
 48 e830a908 2005-11-06 devnull 
 49 e830a908 2005-11-06 devnull void
 50 e830a908 2005-11-06 devnull threadmain(int argc, char *argv[])
 51 e830a908 2005-11-06 devnull {
 52 21d0dda6 2005-11-11 devnull 	char *p;
 53 e830a908 2005-11-06 devnull 	
 54 e830a908 2005-11-06 devnull 	rfork(RFNOTEG);
 55 e830a908 2005-11-06 devnull 	font = nil;
 56 e830a908 2005-11-06 devnull 	_wantfocuschanges = 1;
 57 e830a908 2005-11-06 devnull 	mainpid = getpid();
 58 e830a908 2005-11-06 devnull 	messagesize = 8192;
 59 e830a908 2005-11-06 devnull 	
 60 e830a908 2005-11-06 devnull 	ARGBEGIN{
 61 e830a908 2005-11-06 devnull 	default:
 62 e830a908 2005-11-06 devnull 		usage();
 63 5bd21066 2006-01-18 devnull 	case 'l':
 64 5bd21066 2006-01-18 devnull 		loginshell = TRUE;
 65 5bd21066 2006-01-18 devnull 		break;
 66 e830a908 2005-11-06 devnull 	case 'f':
 67 21d0dda6 2005-11-11 devnull 		fontname = EARGF(usage());
 68 e830a908 2005-11-06 devnull 		break;
 69 e830a908 2005-11-06 devnull 	case 's':
 70 ba31ab30 2011-04-27 rsc 		/* no-op */
 71 e830a908 2005-11-06 devnull 		break;
 72 670f7301 2010-05-20 rsc 	case 'c':
 73 670f7301 2010-05-20 rsc 		cooked = TRUE;
 74 670f7301 2010-05-20 rsc 		break;
 75 e830a908 2005-11-06 devnull 	case 'w':	/* started from rio or 9wm */
 76 e830a908 2005-11-06 devnull 		use9wm = TRUE;
 77 e830a908 2005-11-06 devnull 		break;
 78 e830a908 2005-11-06 devnull 	case 'W':
 79 e830a908 2005-11-06 devnull 		winsize = EARGF(usage());
 80 e830a908 2005-11-06 devnull 		break;
 81 e830a908 2005-11-06 devnull 	}ARGEND
 82 e830a908 2005-11-06 devnull 	
 83 21d0dda6 2005-11-11 devnull 	if(fontname)
 84 21d0dda6 2005-11-11 devnull 		putenv("font", fontname);
 85 21d0dda6 2005-11-11 devnull 
 86 e830a908 2005-11-06 devnull 	p = getenv("tabstop");
 87 e830a908 2005-11-06 devnull 	if(p == 0)
 88 e830a908 2005-11-06 devnull 		p = getenv("TABSTOP");
 89 e830a908 2005-11-06 devnull 	if(p && maxtab <= 0)
 90 e830a908 2005-11-06 devnull 		maxtab = strtoul(p, 0, 0);
 91 e830a908 2005-11-06 devnull 	if(maxtab <= 0)
 92 e830a908 2005-11-06 devnull 		maxtab = 4;
 93 e830a908 2005-11-06 devnull 	free(p);
 94 e830a908 2005-11-06 devnull 	
 95 e830a908 2005-11-06 devnull 	startdir = ".";
 96 21d0dda6 2005-11-11 devnull 
 97 98df7c80 2006-06-25 devnull 	if(initdraw(derror, fontname, "9term") < 0)
 98 98df7c80 2006-06-25 devnull 		sysfatal("initdraw: %r");
 99 98df7c80 2006-06-25 devnull 
100 e830a908 2005-11-06 devnull 	notify(hangupnote);
101 e830a908 2005-11-06 devnull 	noteenable("sys: child");
102 e830a908 2005-11-06 devnull 	
103 e830a908 2005-11-06 devnull 	mousectl = initmouse(nil, screen);
104 e830a908 2005-11-06 devnull 	if(mousectl == nil)
105 e830a908 2005-11-06 devnull 		error("cannot find mouse");
106 e830a908 2005-11-06 devnull 	keyboardctl = initkeyboard(nil);
107 e830a908 2005-11-06 devnull 	if(keyboardctl == nil)
108 e830a908 2005-11-06 devnull 		error("cannot find keyboard");
109 e830a908 2005-11-06 devnull 	mouse = &mousectl->m;
110 e830a908 2005-11-06 devnull 
111 e830a908 2005-11-06 devnull 	winclosechan = chancreate(sizeof(Window*), 0);
112 e830a908 2005-11-06 devnull 	deletechan = chancreate(sizeof(char*), 0);
113 e830a908 2005-11-06 devnull 
114 e830a908 2005-11-06 devnull 	timerinit();
115 c21d0ab4 2005-11-11 devnull 	servedevtext();
116 e830a908 2005-11-06 devnull 	rcpid = rcstart(argc, argv, &rcfd, &sfd);
117 ba31ab30 2011-04-27 rsc 	w = new(screen, FALSE, rcpid, ".", nil, nil);
118 e830a908 2005-11-06 devnull 
119 e830a908 2005-11-06 devnull 	threadcreate(keyboardthread, nil, STACK);
120 e830a908 2005-11-06 devnull 	threadcreate(mousethread, nil, STACK);
121 e830a908 2005-11-06 devnull 	threadcreate(resizethread, nil, STACK);
122 c935adc6 2005-11-10 devnull 
123 e830a908 2005-11-06 devnull 	proccreate(rcoutputproc, nil, STACK);
124 e830a908 2005-11-06 devnull 	proccreate(rcinputproc, nil, STACK);
125 e830a908 2005-11-06 devnull }
126 e830a908 2005-11-06 devnull 
127 e830a908 2005-11-06 devnull void
128 e830a908 2005-11-06 devnull derror(Display *d, char *errorstr)
129 e830a908 2005-11-06 devnull {
130 e830a908 2005-11-06 devnull 	USED(d);
131 e830a908 2005-11-06 devnull 	error(errorstr);
132 e830a908 2005-11-06 devnull }
133 e830a908 2005-11-06 devnull 
134 e830a908 2005-11-06 devnull void
135 e830a908 2005-11-06 devnull hangupnote(void *a, char *msg)
136 e830a908 2005-11-06 devnull {
137 e830a908 2005-11-06 devnull 	if(getpid() != mainpid)
138 e830a908 2005-11-06 devnull 		noted(NDFLT);
139 93921c48 2006-06-28 devnull 	if(strcmp(msg, "hangup") == 0){
140 93921c48 2006-06-28 devnull 		postnote(PNPROC, rcpid, "hangup");
141 93921c48 2006-06-28 devnull 		noted(NDFLT);
142 93921c48 2006-06-28 devnull 	}
143 e830a908 2005-11-06 devnull 	if(strstr(msg, "child")){
144 e830a908 2005-11-06 devnull 		char buf[128];
145 e830a908 2005-11-06 devnull 		int n;
146 e830a908 2005-11-06 devnull 
147 e830a908 2005-11-06 devnull 		n = awaitnohang(buf, sizeof buf-1);
148 e830a908 2005-11-06 devnull 		if(n > 0){
149 e830a908 2005-11-06 devnull 			buf[n] = 0;
150 e830a908 2005-11-06 devnull 			if(atoi(buf) == rcpid)
151 e830a908 2005-11-06 devnull 				threadexitsall(0);
152 e830a908 2005-11-06 devnull 		}
153 e830a908 2005-11-06 devnull 		noted(NCONT);
154 e830a908 2005-11-06 devnull 	}
155 e830a908 2005-11-06 devnull 	noted(NDFLT);
156 e830a908 2005-11-06 devnull }
157 e830a908 2005-11-06 devnull 
158 e830a908 2005-11-06 devnull void
159 e830a908 2005-11-06 devnull keyboardthread(void *v)
160 e830a908 2005-11-06 devnull {
161 e830a908 2005-11-06 devnull 	Rune buf[2][20], *rp;
162 e830a908 2005-11-06 devnull 	int i, n;
163 e830a908 2005-11-06 devnull 
164 e830a908 2005-11-06 devnull 	USED(v);
165 e830a908 2005-11-06 devnull 	threadsetname("keyboardthread");
166 e830a908 2005-11-06 devnull 	n = 0;
167 e830a908 2005-11-06 devnull 	for(;;){
168 e830a908 2005-11-06 devnull 		rp = buf[n];
169 e830a908 2005-11-06 devnull 		n = 1-n;
170 e830a908 2005-11-06 devnull 		recv(keyboardctl->c, rp);
171 e830a908 2005-11-06 devnull 		for(i=1; i<nelem(buf[0])-1; i++)
172 e830a908 2005-11-06 devnull 			if(nbrecv(keyboardctl->c, rp+i) <= 0)
173 e830a908 2005-11-06 devnull 				break;
174 e830a908 2005-11-06 devnull 		rp[i] = L'\0';
175 e830a908 2005-11-06 devnull 		sendp(w->ck, rp);
176 e830a908 2005-11-06 devnull 	}
177 e830a908 2005-11-06 devnull }
178 e830a908 2005-11-06 devnull 
179 e830a908 2005-11-06 devnull void
180 e830a908 2005-11-06 devnull resizethread(void *v)
181 e830a908 2005-11-06 devnull {
182 c935adc6 2005-11-10 devnull 	Point p;
183 c935adc6 2005-11-10 devnull 	
184 e830a908 2005-11-06 devnull 	USED(v);
185 e830a908 2005-11-06 devnull 	
186 baa6e34b 2005-11-30 devnull 	for(;;){
187 c935adc6 2005-11-10 devnull 		p = stringsize(display->defaultfont, "0");
188 c935adc6 2005-11-10 devnull 		if(p.x && p.y)
189 cf21e2e6 2005-11-11 devnull 			updatewinsize(Dy(screen->r)/p.y, (Dx(screen->r)-Scrollwid-2)/p.x, 
190 c935adc6 2005-11-10 devnull 				Dx(screen->r), Dy(screen->r));
191 bcc96c1d 2005-11-11 devnull 		wresize(w, screen, 0);
192 bcc96c1d 2005-11-11 devnull 		flushimage(display, 1);
193 baa6e34b 2005-11-30 devnull 		if(recv(mousectl->resizec, nil) != 1)
194 baa6e34b 2005-11-30 devnull 			break;
195 baa6e34b 2005-11-30 devnull 		if(getwindow(display, Refnone) < 0)
196 baa6e34b 2005-11-30 devnull 			sysfatal("can't reattach to window");
197 e830a908 2005-11-06 devnull 	}
198 e830a908 2005-11-06 devnull }
199 e830a908 2005-11-06 devnull 			
200 e830a908 2005-11-06 devnull void
201 e830a908 2005-11-06 devnull mousethread(void *v)
202 e830a908 2005-11-06 devnull {
203 e830a908 2005-11-06 devnull 	int sending;
204 e830a908 2005-11-06 devnull 	Mouse tmp;
205 e830a908 2005-11-06 devnull 
206 e830a908 2005-11-06 devnull 	USED(v);
207 e830a908 2005-11-06 devnull 
208 e830a908 2005-11-06 devnull 	sending = FALSE;
209 e830a908 2005-11-06 devnull 	threadsetname("mousethread");
210 e830a908 2005-11-06 devnull 	while(readmouse(mousectl) >= 0){
211 e830a908 2005-11-06 devnull 		if(sending){
212 e830a908 2005-11-06 devnull 		Send:
213 e830a908 2005-11-06 devnull 			/* send to window */
214 e830a908 2005-11-06 devnull 			if(mouse->buttons == 0)
215 e830a908 2005-11-06 devnull 				sending = FALSE;
216 e830a908 2005-11-06 devnull 			else
217 e830a908 2005-11-06 devnull 				wsetcursor(w, 0);
218 e830a908 2005-11-06 devnull 			tmp = mousectl->m;
219 e830a908 2005-11-06 devnull 			send(w->mc.c, &tmp);
220 e830a908 2005-11-06 devnull 			continue;
221 e830a908 2005-11-06 devnull 		}
222 3b7ca01f 2009-08-11 t.lainson 		if((mouse->buttons&(1|8|16)) || ptinrect(mouse->xy, w->scrollr)){
223 e830a908 2005-11-06 devnull 			sending = TRUE;
224 e830a908 2005-11-06 devnull 			goto Send;
225 e830a908 2005-11-06 devnull 		}else if(mouse->buttons&2)
226 e830a908 2005-11-06 devnull 			button2menu(w);
227 e830a908 2005-11-06 devnull 		else
228 d879e173 2005-11-26 devnull 			bouncemouse(mouse);
229 e830a908 2005-11-06 devnull 	}
230 e830a908 2005-11-06 devnull }
231 e830a908 2005-11-06 devnull 		
232 e830a908 2005-11-06 devnull void
233 e830a908 2005-11-06 devnull wborder(Window *w, int type)
234 e830a908 2005-11-06 devnull {
235 e830a908 2005-11-06 devnull }
236 e830a908 2005-11-06 devnull 
237 e830a908 2005-11-06 devnull Window*
238 e830a908 2005-11-06 devnull wpointto(Point pt)
239 e830a908 2005-11-06 devnull {
240 e830a908 2005-11-06 devnull 	return w;
241 e830a908 2005-11-06 devnull }
242 e830a908 2005-11-06 devnull 
243 e830a908 2005-11-06 devnull Window*
244 ba31ab30 2011-04-27 rsc new(Image *i, int hideit, int pid, char *dir, char *cmd, char **argv)
245 e830a908 2005-11-06 devnull {
246 e830a908 2005-11-06 devnull 	Window *w;
247 e830a908 2005-11-06 devnull 	Mousectl *mc;
248 e830a908 2005-11-06 devnull 	Channel *cm, *ck, *cctl;
249 e830a908 2005-11-06 devnull 
250 e830a908 2005-11-06 devnull 	if(i == nil)
251 e830a908 2005-11-06 devnull 		return nil;
252 e830a908 2005-11-06 devnull 	cm = chancreate(sizeof(Mouse), 0);
253 e830a908 2005-11-06 devnull 	ck = chancreate(sizeof(Rune*), 0);
254 e830a908 2005-11-06 devnull 	cctl = chancreate(sizeof(Wctlmesg), 4);
255 e830a908 2005-11-06 devnull 	if(cm==nil || ck==nil || cctl==nil)
256 e830a908 2005-11-06 devnull 		error("new: channel alloc failed");
257 e830a908 2005-11-06 devnull 	mc = emalloc(sizeof(Mousectl));
258 e830a908 2005-11-06 devnull 	*mc = *mousectl;
259 cbeb0b26 2006-04-01 devnull /*	mc->image = i; */
260 e830a908 2005-11-06 devnull 	mc->c = cm;
261 ba31ab30 2011-04-27 rsc 	w = wmk(i, mc, ck, cctl);
262 e830a908 2005-11-06 devnull 	free(mc);	/* wmk copies *mc */
263 e830a908 2005-11-06 devnull 	window = erealloc(window, ++nwindow*sizeof(Window*));
264 e830a908 2005-11-06 devnull 	window[nwindow-1] = w;
265 e830a908 2005-11-06 devnull 	if(hideit){
266 e830a908 2005-11-06 devnull 		hidden[nhidden++] = w;
267 e830a908 2005-11-06 devnull 		w->screenr = ZR;
268 e830a908 2005-11-06 devnull 	}
269 7fe619f7 2005-12-29 devnull 	threadcreate(winctl, w, STACK);
270 e830a908 2005-11-06 devnull 	if(!hideit)
271 e830a908 2005-11-06 devnull 		wcurrent(w);
272 e830a908 2005-11-06 devnull 	flushimage(display, 1);
273 e830a908 2005-11-06 devnull 	wsetpid(w, pid, 1);
274 e830a908 2005-11-06 devnull 	wsetname(w);
275 e830a908 2005-11-06 devnull 	if(dir)
276 e830a908 2005-11-06 devnull 		w->dir = estrdup(dir);
277 e830a908 2005-11-06 devnull 	return w;
278 e830a908 2005-11-06 devnull }
279 e830a908 2005-11-06 devnull 
280 e830a908 2005-11-06 devnull /*
281 e830a908 2005-11-06 devnull  * Button 2 menu.  Extra entry for always cook
282 e830a908 2005-11-06 devnull  */
283 e830a908 2005-11-06 devnull 
284 e830a908 2005-11-06 devnull enum
285 e830a908 2005-11-06 devnull {
286 e830a908 2005-11-06 devnull 	Cut,
287 e830a908 2005-11-06 devnull 	Paste,
288 e830a908 2005-11-06 devnull 	Snarf,
289 e830a908 2005-11-06 devnull 	Plumb,
290 e830a908 2005-11-06 devnull 	Send,
291 cbeb0b26 2006-04-01 devnull 	Cook
292 e830a908 2005-11-06 devnull };
293 e830a908 2005-11-06 devnull 
294 e830a908 2005-11-06 devnull char		*menu2str[] = {
295 e830a908 2005-11-06 devnull 	"cut",
296 e830a908 2005-11-06 devnull 	"paste",
297 e830a908 2005-11-06 devnull 	"snarf",
298 e830a908 2005-11-06 devnull 	"plumb",
299 e830a908 2005-11-06 devnull 	"send",
300 e830a908 2005-11-06 devnull 	"cook",
301 e830a908 2005-11-06 devnull 	nil
302 e830a908 2005-11-06 devnull };
303 e830a908 2005-11-06 devnull 
304 e830a908 2005-11-06 devnull 
305 e830a908 2005-11-06 devnull Menu menu2 =
306 e830a908 2005-11-06 devnull {
307 e830a908 2005-11-06 devnull 	menu2str
308 e830a908 2005-11-06 devnull };
309 e830a908 2005-11-06 devnull 
310 e830a908 2005-11-06 devnull Rune newline[] = { '\n' };
311 e830a908 2005-11-06 devnull 
312 e830a908 2005-11-06 devnull void
313 e830a908 2005-11-06 devnull button2menu(Window *w)
314 e830a908 2005-11-06 devnull {
315 e830a908 2005-11-06 devnull 	if(w->deleted)
316 e830a908 2005-11-06 devnull 		return;
317 e830a908 2005-11-06 devnull 	incref(&w->ref);
318 e830a908 2005-11-06 devnull 	if(cooked)
319 e830a908 2005-11-06 devnull 		menu2str[Cook] = "nocook";
320 e830a908 2005-11-06 devnull 	else
321 e830a908 2005-11-06 devnull 		menu2str[Cook] = "cook";
322 e830a908 2005-11-06 devnull 
323 e830a908 2005-11-06 devnull 	switch(menuhit(2, mousectl, &menu2, wscreen)){
324 e830a908 2005-11-06 devnull 	case Cut:
325 e830a908 2005-11-06 devnull 		wsnarf(w);
326 e830a908 2005-11-06 devnull 		wcut(w);
327 e830a908 2005-11-06 devnull 		wscrdraw(w);
328 e830a908 2005-11-06 devnull 		break;
329 e830a908 2005-11-06 devnull 
330 e830a908 2005-11-06 devnull 	case Snarf:
331 e830a908 2005-11-06 devnull 		wsnarf(w);
332 e830a908 2005-11-06 devnull 		break;
333 e830a908 2005-11-06 devnull 
334 e830a908 2005-11-06 devnull 	case Paste:
335 3fd51250 2005-11-07 devnull 		riogetsnarf();
336 e830a908 2005-11-06 devnull 		wpaste(w);
337 e830a908 2005-11-06 devnull 		wscrdraw(w);
338 e830a908 2005-11-06 devnull 		break;
339 e830a908 2005-11-06 devnull 
340 e830a908 2005-11-06 devnull 	case Plumb:
341 e830a908 2005-11-06 devnull 		wplumb(w);
342 e830a908 2005-11-06 devnull 		break;
343 e830a908 2005-11-06 devnull 
344 e830a908 2005-11-06 devnull 	case Send:
345 3fd51250 2005-11-07 devnull 		riogetsnarf();
346 e830a908 2005-11-06 devnull 		wsnarf(w);
347 e830a908 2005-11-06 devnull 		if(nsnarf == 0)
348 e830a908 2005-11-06 devnull 			break;
349 e830a908 2005-11-06 devnull 		if(w->rawing){
350 e830a908 2005-11-06 devnull 			waddraw(w, snarf, nsnarf);
351 e830a908 2005-11-06 devnull 			if(snarf[nsnarf-1]!='\n' && snarf[nsnarf-1]!='\004')
352 e830a908 2005-11-06 devnull 				waddraw(w, newline, 1);
353 e830a908 2005-11-06 devnull 		}else{
354 e830a908 2005-11-06 devnull 			winsert(w, snarf, nsnarf, w->nr);
355 e830a908 2005-11-06 devnull 			if(snarf[nsnarf-1]!='\n' && snarf[nsnarf-1]!='\004')
356 e830a908 2005-11-06 devnull 				winsert(w, newline, 1, w->nr);
357 e830a908 2005-11-06 devnull 		}
358 e830a908 2005-11-06 devnull 		wsetselect(w, w->nr, w->nr);
359 e830a908 2005-11-06 devnull 		wshow(w, w->nr);
360 e830a908 2005-11-06 devnull 		break;
361 e830a908 2005-11-06 devnull 	
362 e830a908 2005-11-06 devnull 	case Cook:
363 e830a908 2005-11-06 devnull 		cooked ^= 1;
364 e830a908 2005-11-06 devnull 		break;
365 e830a908 2005-11-06 devnull 	}
366 e830a908 2005-11-06 devnull 	wclose(w);
367 e830a908 2005-11-06 devnull 	wsendctlmesg(w, Wakeup, ZR, nil);
368 e830a908 2005-11-06 devnull 	flushimage(display, 1);
369 e830a908 2005-11-06 devnull }
370 e830a908 2005-11-06 devnull 
371 e830a908 2005-11-06 devnull int
372 e830a908 2005-11-06 devnull rawon(void)
373 e830a908 2005-11-06 devnull {
374 e830a908 2005-11-06 devnull 	return !cooked && !isecho(sfd);
375 e830a908 2005-11-06 devnull }
376 e830a908 2005-11-06 devnull 
377 e830a908 2005-11-06 devnull /*
378 e830a908 2005-11-06 devnull  * I/O with child rc.
379 e830a908 2005-11-06 devnull  */
380 e830a908 2005-11-06 devnull 
381 e830a908 2005-11-06 devnull int label(Rune*, int);
382 e830a908 2005-11-06 devnull 
383 e830a908 2005-11-06 devnull void
384 e830a908 2005-11-06 devnull rcoutputproc(void *arg)
385 e830a908 2005-11-06 devnull {
386 e830a908 2005-11-06 devnull 	int i, cnt, n, nb, nr;
387 e830a908 2005-11-06 devnull 	static char data[9000];
388 e830a908 2005-11-06 devnull 	Conswritemesg cwm;
389 e830a908 2005-11-06 devnull 	Rune *r;
390 e830a908 2005-11-06 devnull 	Stringpair pair;
391 e830a908 2005-11-06 devnull 	
392 e830a908 2005-11-06 devnull 	i = 0;
393 e830a908 2005-11-06 devnull 	cnt = 0;
394 e830a908 2005-11-06 devnull 	for(;;){
395 e830a908 2005-11-06 devnull 		/* XXX Let typing have a go -- maybe there's a rubout waiting. */
396 e830a908 2005-11-06 devnull 		i = 1-i;
397 e830a908 2005-11-06 devnull 		n = read(rcfd, data+cnt, sizeof data-cnt);
398 e830a908 2005-11-06 devnull 		if(n <= 0){
399 e830a908 2005-11-06 devnull 			if(n < 0)
400 e830a908 2005-11-06 devnull 				fprint(2, "9term: rc read error: %r\n");
401 e830a908 2005-11-06 devnull 			threadexitsall("eof on rc output");
402 e830a908 2005-11-06 devnull 		}
403 ef5c6a6e 2010-09-03 rsc 		n = echocancel(data+cnt, n);
404 ef5c6a6e 2010-09-03 rsc 		if(n == 0)
405 ef5c6a6e 2010-09-03 rsc 			continue;
406 e830a908 2005-11-06 devnull 		cnt += n;
407 e830a908 2005-11-06 devnull 		r = runemalloc(cnt);
408 e830a908 2005-11-06 devnull 		cvttorunes(data, cnt-UTFmax, r, &nb, &nr, nil);
409 e830a908 2005-11-06 devnull 		/* approach end of buffer */
410 e830a908 2005-11-06 devnull 		while(fullrune(data+nb, cnt-nb)){
411 e830a908 2005-11-06 devnull 			nb += chartorune(&r[nr], data+nb);
412 e830a908 2005-11-06 devnull 			if(r[nr])
413 e830a908 2005-11-06 devnull 				nr++;
414 e830a908 2005-11-06 devnull 		}
415 e830a908 2005-11-06 devnull 		if(nb < cnt)
416 e830a908 2005-11-06 devnull 			memmove(data, data+nb, cnt-nb);
417 e830a908 2005-11-06 devnull 		cnt -= nb;
418 e830a908 2005-11-06 devnull 		
419 e830a908 2005-11-06 devnull 		nr = label(r, nr);
420 e830a908 2005-11-06 devnull 		if(nr == 0)
421 e830a908 2005-11-06 devnull 			continue;
422 ef5c6a6e 2010-09-03 rsc 		
423 e830a908 2005-11-06 devnull 		recv(w->conswrite, &cwm);
424 e830a908 2005-11-06 devnull 		pair.s = r;
425 e830a908 2005-11-06 devnull 		pair.ns = nr;
426 e830a908 2005-11-06 devnull 		send(cwm.cw, &pair);
427 e830a908 2005-11-06 devnull 	}
428 10ab06a7 2005-11-06 devnull }
429 10ab06a7 2005-11-06 devnull 
430 10ab06a7 2005-11-06 devnull void
431 10ab06a7 2005-11-06 devnull winterrupt(Window *w)
432 10ab06a7 2005-11-06 devnull {
433 10ab06a7 2005-11-06 devnull 	char rubout[1];
434 10ab06a7 2005-11-06 devnull 	
435 10ab06a7 2005-11-06 devnull 	USED(w);
436 10ab06a7 2005-11-06 devnull 	rubout[0] = getintr(sfd);
437 10ab06a7 2005-11-06 devnull 	write(rcfd, rubout, 1);
438 e830a908 2005-11-06 devnull }
439 e830a908 2005-11-06 devnull 
440 e830a908 2005-11-06 devnull /*
441 e830a908 2005-11-06 devnull  * Process in-band messages about window title changes.
442 e830a908 2005-11-06 devnull  * The messages are of the form:
443 e830a908 2005-11-06 devnull  *
444 e830a908 2005-11-06 devnull  *	\033];xxx\007
445 e830a908 2005-11-06 devnull  *
446 e830a908 2005-11-06 devnull  * where xxx is the new directory.  This format was chosen
447 e830a908 2005-11-06 devnull  * because it changes the label on xterm windows.
448 e830a908 2005-11-06 devnull  */
449 e830a908 2005-11-06 devnull int
450 e830a908 2005-11-06 devnull label(Rune *sr, int n)
451 e830a908 2005-11-06 devnull {
452 e830a908 2005-11-06 devnull 	Rune *sl, *el, *er, *r;
453 e830a908 2005-11-06 devnull 	char *p, *dir;
454 e830a908 2005-11-06 devnull 	
455 e830a908 2005-11-06 devnull 	er = sr+n;
456 e830a908 2005-11-06 devnull 	for(r=er-1; r>=sr; r--)
457 e830a908 2005-11-06 devnull 		if(*r == '\007')
458 e830a908 2005-11-06 devnull 			break;
459 e830a908 2005-11-06 devnull 	if(r < sr)
460 e830a908 2005-11-06 devnull 		return n;
461 e830a908 2005-11-06 devnull 
462 e830a908 2005-11-06 devnull 	el = r+1;
463 e830a908 2005-11-06 devnull 	for(sl=el-3; sl>=sr; sl--)
464 e830a908 2005-11-06 devnull 		if(sl[0]=='\033' && sl[1]==']' && sl[2]==';')
465 e830a908 2005-11-06 devnull 			break;
466 e830a908 2005-11-06 devnull 	if(sl < sr)
467 e830a908 2005-11-06 devnull 		return n;
468 e830a908 2005-11-06 devnull 
469 e830a908 2005-11-06 devnull 	dir = smprint("%.*S", (el-1)-(sl+3), sl+3);
470 e830a908 2005-11-06 devnull 	if(dir){
471 e830a908 2005-11-06 devnull 		drawsetlabel(dir);
472 e830a908 2005-11-06 devnull 		free(w->dir);
473 e830a908 2005-11-06 devnull 		w->dir = dir;
474 e830a908 2005-11-06 devnull 	}
475 e830a908 2005-11-06 devnull 
476 e830a908 2005-11-06 devnull 	/* remove trailing /-sysname if present */
477 e830a908 2005-11-06 devnull 	p = strrchr(dir, '/');
478 e830a908 2005-11-06 devnull 	if(p && *(p+1) == '-'){
479 e830a908 2005-11-06 devnull 		if(p == dir)
480 e830a908 2005-11-06 devnull 			p++;
481 e830a908 2005-11-06 devnull 		*p = 0;
482 e830a908 2005-11-06 devnull 	}
483 e830a908 2005-11-06 devnull 
484 e830a908 2005-11-06 devnull 	runemove(sl, el, er-el);
485 e830a908 2005-11-06 devnull 	n -= (el-sl);
486 e830a908 2005-11-06 devnull 	return n;
487 e830a908 2005-11-06 devnull }
488 e830a908 2005-11-06 devnull 
489 e830a908 2005-11-06 devnull void
490 e830a908 2005-11-06 devnull rcinputproc(void *arg)
491 e830a908 2005-11-06 devnull {
492 e830a908 2005-11-06 devnull 	static char data[9000];
493 e830a908 2005-11-06 devnull 	Consreadmesg crm;
494 e830a908 2005-11-06 devnull 	Channel *c1, *c2;
495 e830a908 2005-11-06 devnull 	Stringpair pair;
496 e830a908 2005-11-06 devnull 
497 e830a908 2005-11-06 devnull 	for(;;){
498 e830a908 2005-11-06 devnull 		recv(w->consread, &crm);
499 e830a908 2005-11-06 devnull 		c1 = crm.c1;
500 e830a908 2005-11-06 devnull 		c2 = crm.c2;
501 e830a908 2005-11-06 devnull 		
502 e830a908 2005-11-06 devnull 		pair.s = data;
503 e830a908 2005-11-06 devnull 		pair.ns = sizeof data;
504 e830a908 2005-11-06 devnull 		send(c1, &pair);
505 e830a908 2005-11-06 devnull 		recv(c2, &pair);
506 ef5c6a6e 2010-09-03 rsc 
507 ef5c6a6e 2010-09-03 rsc 		if(isecho(sfd))
508 ef5c6a6e 2010-09-03 rsc 			echoed(pair.s, pair.ns);
509 e830a908 2005-11-06 devnull 		if(write(rcfd, pair.s, pair.ns) < 0)
510 e830a908 2005-11-06 devnull 			threadexitsall(nil);
511 3fd51250 2005-11-07 devnull 	}
512 3fd51250 2005-11-07 devnull }
513 3fd51250 2005-11-07 devnull 
514 c935adc6 2005-11-10 devnull /*
515 c935adc6 2005-11-10 devnull  * Snarf buffer - rio uses runes internally
516 c935adc6 2005-11-10 devnull  */
517 3fd51250 2005-11-07 devnull void
518 3fd51250 2005-11-07 devnull rioputsnarf(void)
519 3fd51250 2005-11-07 devnull {
520 3fd51250 2005-11-07 devnull 	char *s;
521 3fd51250 2005-11-07 devnull 	
522 3fd51250 2005-11-07 devnull 	s = smprint("%.*S", nsnarf, snarf);
523 3fd51250 2005-11-07 devnull 	if(s){
524 3fd51250 2005-11-07 devnull 		putsnarf(s);
525 3fd51250 2005-11-07 devnull 		free(s);
526 e830a908 2005-11-06 devnull 	}
527 e830a908 2005-11-06 devnull }
528 e830a908 2005-11-06 devnull 
529 3fd51250 2005-11-07 devnull void
530 3fd51250 2005-11-07 devnull riogetsnarf(void)
531 3fd51250 2005-11-07 devnull {
532 3fd51250 2005-11-07 devnull 	char *s;
533 3fd51250 2005-11-07 devnull 	int n, nb, nulls;
534 3fd51250 2005-11-07 devnull 
535 3fd51250 2005-11-07 devnull 	s = getsnarf();
536 3fd51250 2005-11-07 devnull 	if(s == nil)
537 3fd51250 2005-11-07 devnull 		return;
538 3fd51250 2005-11-07 devnull 	n = strlen(s)+1;
539 3fd51250 2005-11-07 devnull 	free(snarf);
540 3fd51250 2005-11-07 devnull 	snarf = runemalloc(n);
541 3fd51250 2005-11-07 devnull 	cvttorunes(s, n, snarf, &nb, &nsnarf, &nulls);
542 3fd51250 2005-11-07 devnull 	free(s);
543 3fd51250 2005-11-07 devnull }
544 c935adc6 2005-11-10 devnull 
545 c935adc6 2005-11-10 devnull /*
546 c935adc6 2005-11-10 devnull  * Clumsy hack to make " and "" work.
547 c935adc6 2005-11-10 devnull  * Then again, what's not a clumsy hack here in Unix land?
548 c935adc6 2005-11-10 devnull  */
549 c935adc6 2005-11-10 devnull 
550 c935adc6 2005-11-10 devnull char adir[100];
551 c935adc6 2005-11-10 devnull char thesocket[100];
552 c935adc6 2005-11-10 devnull int afd;
553 c935adc6 2005-11-10 devnull 
554 c935adc6 2005-11-10 devnull void listenproc(void*);
555 c935adc6 2005-11-10 devnull void textproc(void*);
556 c935adc6 2005-11-10 devnull 
557 c935adc6 2005-11-10 devnull void
558 c935adc6 2005-11-10 devnull removethesocket(void)
559 c935adc6 2005-11-10 devnull {
560 c935adc6 2005-11-10 devnull 	if(thesocket[0])
561 c935adc6 2005-11-10 devnull 		if(remove(thesocket) < 0)
562 c935adc6 2005-11-10 devnull 			fprint(2, "remove %s: %r\n", thesocket);
563 c935adc6 2005-11-10 devnull }
564 c935adc6 2005-11-10 devnull 
565 c935adc6 2005-11-10 devnull void
566 c935adc6 2005-11-10 devnull servedevtext(void)
567 c935adc6 2005-11-10 devnull {
568 c935adc6 2005-11-10 devnull 	char buf[100];
569 c935adc6 2005-11-10 devnull 
570 c935adc6 2005-11-10 devnull 	snprint(buf, sizeof buf, "unix!/tmp/9term-text.%d", getpid());
571 c935adc6 2005-11-10 devnull 
572 c935adc6 2005-11-10 devnull 	if((afd = announce(buf, adir)) < 0){
573 c935adc6 2005-11-10 devnull 		putenv("text9term", "");
574 c935adc6 2005-11-10 devnull 		return;
575 c935adc6 2005-11-10 devnull 	}
576 c935adc6 2005-11-10 devnull 
577 c935adc6 2005-11-10 devnull 	putenv("text9term", buf);
578 c935adc6 2005-11-10 devnull 	proccreate(listenproc, nil, STACK);
579 c935adc6 2005-11-10 devnull 	strcpy(thesocket, buf+5);
580 c935adc6 2005-11-10 devnull 	atexit(removethesocket);
581 c935adc6 2005-11-10 devnull }
582 c935adc6 2005-11-10 devnull 
583 c935adc6 2005-11-10 devnull void
584 c935adc6 2005-11-10 devnull listenproc(void *arg)
585 c935adc6 2005-11-10 devnull {
586 c935adc6 2005-11-10 devnull 	int fd;
587 c935adc6 2005-11-10 devnull 	char dir[100];
588 c935adc6 2005-11-10 devnull 
589 bcc96c1d 2005-11-11 devnull 	threadsetname("listen %s", thesocket);
590 c935adc6 2005-11-10 devnull 	USED(arg);
591 c935adc6 2005-11-10 devnull 	for(;;){
592 c935adc6 2005-11-10 devnull 		fd = listen(adir, dir);
593 c935adc6 2005-11-10 devnull 		if(fd < 0){
594 c935adc6 2005-11-10 devnull 			close(afd);
595 c935adc6 2005-11-10 devnull 			return;
596 c935adc6 2005-11-10 devnull 		}
597 e58459c7 2005-12-29 devnull 		proccreate(textproc, (void*)(uintptr)fd, STACK);
598 c935adc6 2005-11-10 devnull 	}
599 c935adc6 2005-11-10 devnull }
600 c935adc6 2005-11-10 devnull 
601 c935adc6 2005-11-10 devnull void
602 c935adc6 2005-11-10 devnull textproc(void *arg)
603 c935adc6 2005-11-10 devnull {
604 c935adc6 2005-11-10 devnull 	int fd, i, x, n, end;
605 c935adc6 2005-11-10 devnull 	Rune r;
606 c935adc6 2005-11-10 devnull 	char buf[4096], *p, *ep;
607 c935adc6 2005-11-10 devnull 
608 bcc96c1d 2005-11-11 devnull 	threadsetname("textproc");
609 e58459c7 2005-12-29 devnull 	fd = (uintptr)arg;
610 c935adc6 2005-11-10 devnull 	p = buf;
611 c935adc6 2005-11-10 devnull 	ep = buf+sizeof buf;
612 c21d0ab4 2005-11-11 devnull 	if(w == nil){
613 c21d0ab4 2005-11-11 devnull 		close(fd);
614 c21d0ab4 2005-11-11 devnull 		return;
615 c21d0ab4 2005-11-11 devnull 	}
616 c935adc6 2005-11-10 devnull 	end = w->org+w->nr;	/* avoid possible output loop */
617 c935adc6 2005-11-10 devnull 	for(i=w->org;; i++){
618 c935adc6 2005-11-10 devnull 		if(i >= end || ep-p < UTFmax){
619 c935adc6 2005-11-10 devnull 			for(x=0; x<p-buf; x+=n)
620 c935adc6 2005-11-10 devnull 				if((n = write(fd, buf+x, (p-x)-buf)) <= 0)
621 c935adc6 2005-11-10 devnull 					goto break2;
622 c935adc6 2005-11-10 devnull 			
623 c935adc6 2005-11-10 devnull 			if(i >= end)
624 c935adc6 2005-11-10 devnull 				break;
625 c935adc6 2005-11-10 devnull 			p = buf;
626 c935adc6 2005-11-10 devnull 		}
627 c935adc6 2005-11-10 devnull 		if(i < w->org)
628 c935adc6 2005-11-10 devnull 			i = w->org;
629 c935adc6 2005-11-10 devnull 		r = w->r[i-w->org];
630 c935adc6 2005-11-10 devnull 		if(r < Runeself)
631 c935adc6 2005-11-10 devnull 			*p++ = r;
632 c935adc6 2005-11-10 devnull 		else
633 c935adc6 2005-11-10 devnull 			p += runetochar(p, &r);
634 c935adc6 2005-11-10 devnull 	}
635 c935adc6 2005-11-10 devnull break2:
636 c935adc6 2005-11-10 devnull 	close(fd);
637 c935adc6 2005-11-10 devnull }
638 c935adc6 2005-11-10 devnull