9 w = emalloc(sizeof(Window));
10 w->ctl = open("/mnt/wsys/new/ctl", ORDWR|OCEXEC);
11 if(w->ctl<0 || read(w->ctl, buf, 12)!=12)
12 error("can't open window ctl file: %r");
13 ctlprint(w->ctl, "noscroll\n");
15 w->event = winopenfile(w, "event");
16 w->addr = -1; /* will be opened when needed */
19 w->cevent = chancreate(sizeof(Event*), 0);
21 error("cevent is nil: %r");
26 winsetdump(Window *w, char *dir, char *cmd)
29 ctlprint(w->ctl, "dumpdir %s\n", dir);
31 ctlprint(w->ctl, "dump %s\n", cmd);
40 threadsetname("wineventproc");
45 wingetevent(w, &w->e[i]);
46 sendp(w->cevent, &w->e[i]);
51 winopenfile(Window *w, char *f)
56 sprint(buf, "/mnt/wsys/%d/%s", w->id, f);
57 fd = open(buf, ORDWR|OCEXEC);
59 error("can't open window file %s: %r", f);
64 wintagwrite(Window *w, char *s, int n)
68 fd = winopenfile(w, "tag");
69 if(write(fd, s, n) != n)
70 error("tag write: %r");
75 winname(Window *w, char *s)
77 ctlprint(w->ctl, "name %s\n", s);
81 winopenbody(Window *w, int mode)
85 sprint(buf, "/mnt/wsys/%d/body", w->id);
86 w->body = Bopen(buf, mode|OCEXEC);
88 error("can't open window body file: %r");
92 winclosebody(Window *w)
101 winwritebody(Window *w, char *s, int n)
104 winopenbody(w, OWRITE);
105 if(Bwrite(w->body, s, n) != n)
106 error("write error to window: %r");
113 w->nbuf = read(w->event, w->buf, sizeof w->buf);
115 /* probably because window has exited, and only called by wineventproc, so just shut down */
130 while('0'<=(c=wingetec(w)) && c<='9')
133 error("event number syntax");
138 wingeter(Window *w, char *buf, int *nb)
147 while(!fullrune(buf, n))
148 buf[n++] = wingetec(w);
156 wingetevent(Window *w, Event *e)
164 e->flag = wingeten(w);
166 if(e->nr > EVENTSIZE)
167 error("event string too long");
169 for(i=0; i<e->nr; i++){
170 e->r[i] = wingeter(w, e->b+e->nb, &nb);
175 if(wingetec(w) != '\n')
176 error("event syntax error");
180 winwriteevent(Window *w, Event *e)
182 fprint(w->event, "%c%c%d %d\n", e->c1, e->c2, e->q0, e->q1);
186 nrunes(char *s, int nb)
193 i += chartorune(&r, s+i);
198 winread(Window *w, uint q0, uint q1, char *data)
204 w->addr = winopenfile(w, "addr");
206 w->data = winopenfile(w, "data");
209 n = sprint(buf, "#%d", m);
210 if(write(w->addr, buf, n) != n)
211 error("error writing addr: %r");
212 n = read(w->data, buf, sizeof buf);
214 error("reading data: %r");
217 do; while(n>0 && (buf[--n]&0xC0)==0x80);
222 memmove(data, buf, n);
230 windormant(Window *w)
248 windel(Window *w, int sure)
251 write(w->ctl, "delete\n", 7);
252 else if(write(w->ctl, "del\n", 4) != 4)
254 /* event proc will die due to read error from event file */
268 ctlprint(w->ctl, "clean\n");
272 winisdirty(Window *w)
276 if (seek(w->ctl, 4*(11+1) + 10, 0) < 0)
277 error("control file seek error: %r");
279 if(read(w->ctl, &m, 1) != 1)
280 error("control file read error: %r");
287 error("can't parse ismodified field: %c", m);
288 return 1; // better safe than sorry
293 winsetaddr(Window *w, char *addr, int errok)
296 w->addr = winopenfile(w, "addr");
297 if(write(w->addr, addr, strlen(addr)) < 0){
299 error("error writing addr(%s): %r", addr);
306 winselect(Window *w, char *addr, int errok)
308 if(winsetaddr(w, addr, errok)){
309 ctlprint(w->ctl, "dot=addr\n");
316 winreadbody(Window *w, int *np) /* can't use readfile because acme doesn't report the length */
323 winopenbody(w, OREAD);
330 s = realloc(s, na+1);
332 m = Bread(w->body, s+n, na-n);