Annotation of src/usr.bin/tmux/status.c, Revision 1.78
1.78 ! nicm 1: /* $OpenBSD: status.c,v 1.77 2011/07/08 06:37:57 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20: #include <sys/time.h>
21:
22: #include <errno.h>
23: #include <limits.h>
24: #include <stdarg.h>
25: #include <stdlib.h>
26: #include <string.h>
27: #include <time.h>
28: #include <unistd.h>
29:
30: #include "tmux.h"
31:
1.48 nicm 32: char *status_redraw_get_left(
33: struct client *, time_t, int, struct grid_cell *, size_t *);
34: char *status_redraw_get_right(
35: struct client *, time_t, int, struct grid_cell *, size_t *);
1.71 nicm 36: char *status_find_job(struct client *, char **);
37: void status_job_free(void *);
1.38 nicm 38: void status_job_callback(struct job *);
1.47 nicm 39: char *status_print(
1.55 nicm 40: struct client *, struct winlink *, time_t, struct grid_cell *);
1.72 nicm 41: void status_replace1(struct client *, struct session *, struct winlink *,
42: struct window_pane *, char **, char **, char *, size_t, int);
1.42 nicm 43: void status_message_callback(int, short, void *);
1.1 nicm 44:
1.65 nicm 45: const char *status_prompt_up_history(u_int *);
46: const char *status_prompt_down_history(u_int *);
47: void status_prompt_add_history(const char *);
1.1 nicm 48: char *status_prompt_complete(const char *);
49:
1.65 nicm 50: /* Status prompt history. */
51: ARRAY_DECL(, char *) status_prompt_history = ARRAY_INITIALIZER;
52:
1.71 nicm 53: /* Status output tree. */
54: RB_GENERATE(status_out_tree, status_out, entry, status_out_cmp);
55:
56: /* Output tree comparison function. */
57: int
58: status_out_cmp(struct status_out *so1, struct status_out *so2)
59: {
60: return (strcmp(so1->cmd, so2->cmd));
61: }
62:
1.48 nicm 63: /* Retrieve options for left string. */
64: char *
65: status_redraw_get_left(struct client *c,
66: time_t t, int utf8flag, struct grid_cell *gc, size_t *size)
67: {
68: struct session *s = c->session;
69: char *left;
70: u_char fg, bg, attr;
71: size_t leftlen;
72:
73: fg = options_get_number(&s->options, "status-left-fg");
74: if (fg != 8)
75: colour_set_fg(gc, fg);
76: bg = options_get_number(&s->options, "status-left-bg");
77: if (bg != 8)
78: colour_set_bg(gc, bg);
79: attr = options_get_number(&s->options, "status-left-attr");
80: if (attr != 0)
81: gc->attr = attr;
82:
1.72 nicm 83: left = status_replace(c, NULL,
84: NULL, NULL, options_get_string(&s->options, "status-left"), t, 1);
1.48 nicm 85:
86: *size = options_get_number(&s->options, "status-left-length");
87: leftlen = screen_write_cstrlen(utf8flag, "%s", left);
88: if (leftlen < *size)
89: *size = leftlen;
90: return (left);
91: }
92:
93: /* Retrieve options for right string. */
94: char *
95: status_redraw_get_right(struct client *c,
96: time_t t, int utf8flag, struct grid_cell *gc, size_t *size)
97: {
98: struct session *s = c->session;
99: char *right;
100: u_char fg, bg, attr;
101: size_t rightlen;
102:
103: fg = options_get_number(&s->options, "status-right-fg");
104: if (fg != 8)
105: colour_set_fg(gc, fg);
106: bg = options_get_number(&s->options, "status-right-bg");
107: if (bg != 8)
108: colour_set_bg(gc, bg);
109: attr = options_get_number(&s->options, "status-right-attr");
110: if (attr != 0)
111: gc->attr = attr;
112:
1.72 nicm 113: right = status_replace(c, NULL,
114: NULL, NULL, options_get_string(&s->options, "status-right"), t, 1);
1.48 nicm 115:
116: *size = options_get_number(&s->options, "status-right-length");
117: rightlen = screen_write_cstrlen(utf8flag, "%s", right);
118: if (rightlen < *size)
119: *size = rightlen;
120: return (right);
121: }
122:
1.73 nicm 123: /* Set window at window list position. */
124: void
125: status_set_window_at(struct client *c, u_int x)
126: {
127: struct session *s = c->session;
128: struct winlink *wl;
129:
130: x += s->wlmouse;
131: RB_FOREACH(wl, winlinks, &s->windows) {
132: if (x < wl->status_width &&
133: session_select(s, wl->idx) == 0) {
134: server_redraw_session(s);
135: }
136: x -= wl->status_width + 1;
137: }
138: }
139:
1.1 nicm 140: /* Draw status for client on the last lines of given context. */
141: int
142: status_redraw(struct client *c)
143: {
1.48 nicm 144: struct screen_write_ctx ctx;
145: struct session *s = c->session;
146: struct winlink *wl;
147: struct screen old_status, window_list;
148: struct grid_cell stdgc, lgc, rgc, gc;
149: time_t t;
150: char *left, *right;
151: u_int offset, needed;
152: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
153: size_t llen, rlen;
154: int larrow, rarrow, utf8flag;
1.1 nicm 155:
1.49 nicm 156: /* No status line? */
1.7 nicm 157: if (c->tty.sy == 0 || !options_get_number(&s->options, "status"))
158: return (1);
1.48 nicm 159: left = right = NULL;
1.7 nicm 160: larrow = rarrow = 0;
1.1 nicm 161:
1.48 nicm 162: /* Update status timer. */
1.1 nicm 163: if (gettimeofday(&c->status_timer, NULL) != 0)
1.34 nicm 164: fatal("gettimeofday failed");
1.48 nicm 165: t = c->status_timer.tv_sec;
166:
167: /* Set up default colour. */
1.1 nicm 168: memcpy(&stdgc, &grid_default_cell, sizeof gc);
1.33 nicm 169: colour_set_fg(&stdgc, options_get_number(&s->options, "status-fg"));
170: colour_set_bg(&stdgc, options_get_number(&s->options, "status-bg"));
1.1 nicm 171: stdgc.attr |= options_get_number(&s->options, "status-attr");
172:
1.48 nicm 173: /* Create the target screen. */
174: memcpy(&old_status, &c->status, sizeof old_status);
175: screen_init(&c->status, c->tty.sx, 1, 0);
176: screen_write_start(&ctx, NULL, &c->status);
177: for (offset = 0; offset < c->tty.sx; offset++)
178: screen_write_putc(&ctx, &stdgc, ' ');
179: screen_write_stop(&ctx);
180:
181: /* If the height is one line, blank status line. */
182: if (c->tty.sy <= 1)
183: goto out;
1.1 nicm 184:
1.48 nicm 185: /* Get UTF-8 flag. */
1.3 nicm 186: utf8flag = options_get_number(&s->options, "status-utf8");
187:
1.48 nicm 188: /* Work out left and right strings. */
189: memcpy(&lgc, &stdgc, sizeof lgc);
190: left = status_redraw_get_left(c, t, utf8flag, &lgc, &llen);
191: memcpy(&rgc, &stdgc, sizeof rgc);
192: right = status_redraw_get_right(c, t, utf8flag, &rgc, &rlen);
1.1 nicm 193:
194: /*
1.48 nicm 195: * Figure out how much space we have for the window list. If there
196: * isn't enough space, just show a blank status line.
1.1 nicm 197: */
1.55 nicm 198: needed = 0;
1.1 nicm 199: if (llen != 0)
1.48 nicm 200: needed += llen + 1;
1.1 nicm 201: if (rlen != 0)
1.48 nicm 202: needed += rlen + 1;
203: if (c->tty.sx == 0 || c->tty.sx <= needed)
204: goto out;
205: wlavailable = c->tty.sx - needed;
1.1 nicm 206:
1.48 nicm 207: /* Calculate the total size needed for the window list. */
208: wlstart = wloffset = wlwidth = 0;
1.1 nicm 209: RB_FOREACH(wl, winlinks, &s->windows) {
1.48 nicm 210: if (wl->status_text != NULL)
211: xfree(wl->status_text);
212: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
213: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.55 nicm 214: wl->status_width =
1.48 nicm 215: screen_write_cstrlen(utf8flag, "%s", wl->status_text);
216:
1.1 nicm 217: if (wl == s->curw)
1.48 nicm 218: wloffset = wlwidth;
219: wlwidth += wl->status_width + 1;
220: }
221:
222: /* Create a new screen for the window list. */
223: screen_init(&window_list, wlwidth, 1, 0);
224:
225: /* And draw the window list into it. */
226: screen_write_start(&ctx, NULL, &window_list);
227: RB_FOREACH(wl, winlinks, &s->windows) {
1.55 nicm 228: screen_write_cnputs(&ctx,
1.48 nicm 229: -1, &wl->status_cell, utf8flag, "%s", wl->status_text);
230: screen_write_putc(&ctx, &stdgc, ' ');
1.1 nicm 231: }
1.48 nicm 232: screen_write_stop(&ctx);
1.1 nicm 233:
1.48 nicm 234: /* If there is enough space for the total width, skip to draw now. */
235: if (wlwidth <= wlavailable)
1.1 nicm 236: goto draw;
237:
238: /* Find size of current window text. */
1.48 nicm 239: wlsize = s->curw->status_width;
1.1 nicm 240:
241: /*
1.48 nicm 242: * If the current window is already on screen, good to draw from the
1.1 nicm 243: * start and just leave off the end.
244: */
1.48 nicm 245: if (wloffset + wlsize < wlavailable) {
246: if (wlavailable > 0) {
247: rarrow = 1;
248: wlavailable--;
249: }
250: wlwidth = wlavailable;
251: } else {
252: /*
253: * Work out how many characters we need to omit from the
254: * start. There are wlavailable characters to fill, and
255: * wloffset + wlsize must be the last. So, the start character
256: * is wloffset + wlsize - wlavailable.
257: */
258: if (wlavailable > 0) {
259: larrow = 1;
260: wlavailable--;
261: }
1.55 nicm 262:
1.48 nicm 263: wlstart = wloffset + wlsize - wlavailable;
264: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 265: rarrow = 1;
1.48 nicm 266: wlstart++;
267: wlavailable--;
1.1 nicm 268: }
1.48 nicm 269: wlwidth = wlavailable;
270: }
1.1 nicm 271:
1.48 nicm 272: /* Bail if anything is now too small too. */
273: if (wlwidth == 0 || wlavailable == 0) {
274: screen_free(&window_list);
275: goto out;
1.1 nicm 276: }
277:
278: /*
1.48 nicm 279: * Now the start position is known, work out the state of the left and
280: * right arrows.
1.1 nicm 281: */
282: offset = 0;
283: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 284: if (wl->flags & WINLINK_ALERTFLAGS &&
285: larrow == 1 && offset < wlstart)
286: larrow = -1;
1.1 nicm 287:
1.48 nicm 288: offset += wl->status_width;
1.1 nicm 289:
1.63 nicm 290: if (wl->flags & WINLINK_ALERTFLAGS &&
291: rarrow == 1 && offset > wlstart + wlwidth)
292: rarrow = -1;
1.1 nicm 293: }
294:
1.48 nicm 295: draw:
1.55 nicm 296: /* Begin drawing. */
1.48 nicm 297: screen_write_start(&ctx, NULL, &c->status);
1.1 nicm 298:
1.48 nicm 299: /* Draw the left string and arrow. */
300: screen_write_cursormove(&ctx, 0, 0);
301: if (llen != 0) {
302: screen_write_cnputs(&ctx, llen, &lgc, utf8flag, "%s", left);
1.5 nicm 303: screen_write_putc(&ctx, &stdgc, ' ');
1.1 nicm 304: }
305: if (larrow != 0) {
306: memcpy(&gc, &stdgc, sizeof gc);
307: if (larrow == -1)
308: gc.attr ^= GRID_ATTR_REVERSE;
309: screen_write_putc(&ctx, &gc, '<');
310: }
1.48 nicm 311:
312: /* Draw the right string and arrow. */
1.1 nicm 313: if (rarrow != 0) {
1.48 nicm 314: screen_write_cursormove(&ctx, c->tty.sx - rlen - 2, 0);
1.1 nicm 315: memcpy(&gc, &stdgc, sizeof gc);
316: if (rarrow == -1)
317: gc.attr ^= GRID_ATTR_REVERSE;
318: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 319: } else
320: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
321: if (rlen != 0) {
322: screen_write_putc(&ctx, &stdgc, ' ');
323: screen_write_cnputs(&ctx, rlen, &rgc, utf8flag, "%s", right);
1.1 nicm 324: }
325:
1.48 nicm 326: /* Figure out the offset for the window list. */
1.58 nicm 327: if (llen != 0)
328: wloffset = llen + 1;
329: else
330: wloffset = 0;
1.48 nicm 331: if (wlwidth < wlavailable) {
332: switch (options_get_number(&s->options, "status-justify")) {
333: case 1: /* centered */
1.58 nicm 334: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 335: break;
336: case 2: /* right */
1.58 nicm 337: wloffset += (wlavailable - wlwidth);
1.48 nicm 338: break;
339: }
340: }
341: if (larrow != 0)
342: wloffset++;
343:
344: /* Copy the window list. */
1.73 nicm 345: s->wlmouse = -wloffset + wlstart;
1.48 nicm 346: screen_write_cursormove(&ctx, wloffset, 0);
347: screen_write_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 348: screen_free(&window_list);
1.1 nicm 349:
1.48 nicm 350: screen_write_stop(&ctx);
1.1 nicm 351:
352: out:
353: if (left != NULL)
354: xfree(left);
355: if (right != NULL)
356: xfree(right);
357:
358: if (grid_compare(c->status.grid, old_status.grid) == 0) {
359: screen_free(&old_status);
360: return (0);
361: }
362: screen_free(&old_status);
363: return (1);
364: }
365:
1.46 nicm 366: /* Replace a single special sequence (prefixed by #). */
367: void
1.72 nicm 368: status_replace1(struct client *c, struct session *s, struct winlink *wl,
369: struct window_pane *wp, char **iptr, char **optr, char *out,
370: size_t outsize, int jobsflag)
371: {
372: char ch, tmp[256], *ptr, *endptr, *freeptr;
373: size_t ptrlen;
374: long limit;
1.46 nicm 375:
1.72 nicm 376: if (s == NULL)
377: s = c->session;
1.47 nicm 378: if (wl == NULL)
379: wl = s->curw;
1.72 nicm 380: if (wp == NULL)
381: wp = wl->window->active;
1.47 nicm 382:
1.46 nicm 383: errno = 0;
384: limit = strtol(*iptr, &endptr, 10);
385: if ((limit == 0 && errno != EINVAL) ||
386: (limit == LONG_MIN && errno != ERANGE) ||
1.55 nicm 387: (limit == LONG_MAX && errno != ERANGE) ||
1.46 nicm 388: limit != 0)
389: *iptr = endptr;
390: if (limit <= 0)
391: limit = LONG_MAX;
392:
393: freeptr = NULL;
394:
395: switch (*(*iptr)++) {
396: case '(':
397: if (!jobsflag) {
398: ch = ')';
399: goto skip_to;
400: }
1.71 nicm 401: if ((ptr = status_find_job(c, iptr)) == NULL)
1.46 nicm 402: return;
403: goto do_replace;
1.72 nicm 404: case 'D':
405: xsnprintf(tmp, sizeof tmp, "%%%u", wp->id);
406: ptr = tmp;
407: goto do_replace;
1.46 nicm 408: case 'H':
409: if (gethostname(tmp, sizeof tmp) != 0)
410: fatal("gethostname failed");
1.74 nicm 411: ptr = tmp;
412: goto do_replace;
413: case 'h':
414: if (gethostname(tmp, sizeof tmp) != 0)
415: fatal("gethostname failed");
416: if ((ptr = strchr(tmp, '.')) != NULL)
417: *ptr = '\0';
1.46 nicm 418: ptr = tmp;
419: goto do_replace;
420: case 'I':
421: xsnprintf(tmp, sizeof tmp, "%d", wl->idx);
422: ptr = tmp;
423: goto do_replace;
424: case 'P':
1.72 nicm 425: xsnprintf(
426: tmp, sizeof tmp, "%u", window_pane_index(wl->window, wp));
1.46 nicm 427: ptr = tmp;
428: goto do_replace;
429: case 'S':
430: ptr = s->name;
431: goto do_replace;
432: case 'T':
1.72 nicm 433: ptr = wp->base.title;
1.46 nicm 434: goto do_replace;
435: case 'W':
436: ptr = wl->window->name;
437: goto do_replace;
1.47 nicm 438: case 'F':
1.67 nicm 439: ptr = window_printable_flags(s, wl);
440: freeptr = ptr;
1.47 nicm 441: goto do_replace;
1.46 nicm 442: case '[':
1.55 nicm 443: /*
1.46 nicm 444: * Embedded style, handled at display time. Leave present and
445: * skip input until ].
446: */
447: ch = ']';
448: goto skip_to;
449: case '#':
1.49 nicm 450: *(*optr)++ = '#';
1.46 nicm 451: break;
452: }
453:
454: return;
1.55 nicm 455:
1.46 nicm 456: do_replace:
457: ptrlen = strlen(ptr);
458: if ((size_t) limit < ptrlen)
459: ptrlen = limit;
460:
461: if (*optr + ptrlen >= out + outsize - 1)
462: return;
463: while (ptrlen > 0 && *ptr != '\0') {
464: *(*optr)++ = *ptr++;
465: ptrlen--;
466: }
467:
468: if (freeptr != NULL)
469: xfree(freeptr);
470: return;
471:
472: skip_to:
473: *(*optr)++ = '#';
474:
475: (*iptr)--; /* include ch */
476: while (**iptr != ch && **iptr != '\0') {
477: if (*optr >= out + outsize - 1)
478: break;
479: *(*optr)++ = *(*iptr)++;
480: }
481: }
482:
483: /* Replace special sequences in fmt. */
484: char *
1.72 nicm 485: status_replace(struct client *c, struct session *s, struct winlink *wl,
486: struct window_pane *wp, const char *fmt, time_t t, int jobsflag)
1.46 nicm 487: {
1.1 nicm 488: static char out[BUFSIZ];
1.46 nicm 489: char in[BUFSIZ], ch, *iptr, *optr;
1.47 nicm 490:
1.1 nicm 491: strftime(in, sizeof in, fmt, localtime(&t));
492: in[(sizeof in) - 1] = '\0';
493:
494: iptr = in;
495: optr = out;
496:
497: while (*iptr != '\0') {
498: if (optr >= out + (sizeof out) - 1)
499: break;
1.46 nicm 500: ch = *iptr++;
501:
1.70 nicm 502: if (ch != '#' || *iptr == '\0') {
1.1 nicm 503: *optr++ = ch;
1.46 nicm 504: continue;
1.1 nicm 505: }
1.72 nicm 506: status_replace1(
507: c, s, wl, wp, &iptr, &optr, out, sizeof out, jobsflag);
1.1 nicm 508: }
509: *optr = '\0';
510:
511: return (xstrdup(out));
512: }
513:
1.46 nicm 514: /* Figure out job name and get its result, starting it off if necessary. */
1.1 nicm 515: char *
1.71 nicm 516: status_find_job(struct client *c, char **iptr)
1.1 nicm 517: {
1.71 nicm 518: struct status_out *so, so_find;
519: char *cmd;
520: int lastesc;
521: size_t len;
1.1 nicm 522:
523: if (**iptr == '\0')
524: return (NULL);
525: if (**iptr == ')') { /* no command given */
526: (*iptr)++;
527: return (NULL);
528: }
529:
530: cmd = xmalloc(strlen(*iptr) + 1);
531: len = 0;
532:
533: lastesc = 0;
534: for (; **iptr != '\0'; (*iptr)++) {
535: if (!lastesc && **iptr == ')')
536: break; /* unescaped ) is the end */
537: if (!lastesc && **iptr == '\\') {
538: lastesc = 1;
539: continue; /* skip \ if not escaped */
540: }
541: lastesc = 0;
542: cmd[len++] = **iptr;
543: }
1.38 nicm 544: if (**iptr == '\0') /* no terminating ) */ {
545: xfree(cmd);
546: return (NULL);
547: }
1.1 nicm 548: (*iptr)++; /* skip final ) */
549: cmd[len] = '\0';
550:
1.71 nicm 551: /* First try in the new tree. */
552: so_find.cmd = cmd;
553: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
1.78 ! nicm 554: if (so != NULL && so->out != NULL) {
! 555: xfree(cmd);
1.71 nicm 556: return (so->out);
1.78 ! nicm 557: }
1.71 nicm 558:
559: /* If not found at all, start the job and add to the tree. */
560: if (so == NULL) {
561: job_run(cmd, status_job_callback, status_job_free, c);
562: c->references++;
563:
564: so = xmalloc(sizeof *so);
565: so->cmd = xstrdup(cmd);
566: so->out = NULL;
567: RB_INSERT(status_out_tree, &c->status_new, so);
568: }
569:
570: /* Lookup in the old tree. */
571: so_find.cmd = cmd;
572: so = RB_FIND(status_out_tree, &c->status_old, &so_find);
573: xfree(cmd);
574: if (so != NULL)
575: return (so->out);
576: return (NULL);
577: }
578:
579: /* Free job tree. */
580: void
581: status_free_jobs(struct status_out_tree *sotree)
582: {
583: struct status_out *so, *so_next;
584:
585: so_next = RB_MIN(status_out_tree, sotree);
586: while (so_next != NULL) {
587: so = so_next;
588: so_next = RB_NEXT(status_out_tree, sotree, so);
589:
590: RB_REMOVE(status_out_tree, sotree, so);
591: if (so->out != NULL)
592: xfree(so->out);
593: xfree(so->cmd);
594: xfree(so);
1.38 nicm 595: }
1.71 nicm 596: }
597:
598: /* Update jobs on status interval. */
599: void
600: status_update_jobs(struct client *c)
601: {
602: /* Free the old tree. */
603: status_free_jobs(&c->status_old);
604:
605: /* Move the new to old. */
606: memcpy(&c->status_old, &c->status_new, sizeof c->status_old);
607: RB_INIT(&c->status_new);
608: }
609:
610: /* Free status job. */
611: void
612: status_job_free(void *data)
613: {
614: struct client *c = data;
615:
616: c->references--;
1.38 nicm 617: }
1.1 nicm 618:
1.46 nicm 619: /* Job has finished: save its result. */
1.38 nicm 620: void
621: status_job_callback(struct job *job)
622: {
1.71 nicm 623: struct client *c = job->data;
624: struct status_out *so, so_find;
625: char *line, *buf;
626: size_t len;
627:
628: if (c->flags & CLIENT_DEAD)
629: return;
630:
631: so_find.cmd = job->cmd;
632: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
633: if (so == NULL || so->out != NULL)
634: return;
1.38 nicm 635:
1.41 nicm 636: buf = NULL;
637: if ((line = evbuffer_readline(job->event->input)) == NULL) {
638: len = EVBUFFER_LENGTH(job->event->input);
639: buf = xmalloc(len + 1);
640: if (len != 0)
641: memcpy(buf, EVBUFFER_DATA(job->event->input), len);
642: buf[len] = '\0';
1.71 nicm 643: } else
644: buf = xstrdup(line);
1.1 nicm 645:
1.71 nicm 646: so->out = buf;
1.75 nicm 647: server_status_client(c);
1.1 nicm 648: }
649:
1.46 nicm 650: /* Return winlink status line entry and adjust gc as necessary. */
1.1 nicm 651: char *
1.47 nicm 652: status_print(
653: struct client *c, struct winlink *wl, time_t t, struct grid_cell *gc)
1.1 nicm 654: {
1.33 nicm 655: struct options *oo = &wl->window->options;
1.47 nicm 656: struct session *s = c->session;
657: const char *fmt;
658: char *text;
1.33 nicm 659: u_char fg, bg, attr;
1.1 nicm 660:
1.33 nicm 661: fg = options_get_number(oo, "window-status-fg");
1.1 nicm 662: if (fg != 8)
1.33 nicm 663: colour_set_fg(gc, fg);
664: bg = options_get_number(oo, "window-status-bg");
1.1 nicm 665: if (bg != 8)
1.33 nicm 666: colour_set_bg(gc, bg);
667: attr = options_get_number(oo, "window-status-attr");
1.1 nicm 668: if (attr != 0)
669: gc->attr = attr;
1.47 nicm 670: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 671: if (wl == s->curw) {
1.33 nicm 672: fg = options_get_number(oo, "window-status-current-fg");
1.14 nicm 673: if (fg != 8)
1.33 nicm 674: colour_set_fg(gc, fg);
675: bg = options_get_number(oo, "window-status-current-bg");
1.14 nicm 676: if (bg != 8)
1.33 nicm 677: colour_set_bg(gc, bg);
678: attr = options_get_number(oo, "window-status-current-attr");
1.14 nicm 679: if (attr != 0)
680: gc->attr = attr;
1.47 nicm 681: fmt = options_get_string(oo, "window-status-current-format");
1.14 nicm 682: }
1.1 nicm 683:
1.63 nicm 684: if (wl->flags & WINLINK_ALERTFLAGS) {
1.62 nicm 685: fg = options_get_number(oo, "window-status-alert-fg");
686: if (fg != 8)
687: colour_set_fg(gc, fg);
688: bg = options_get_number(oo, "window-status-alert-bg");
689: if (bg != 8)
690: colour_set_bg(gc, bg);
691: attr = options_get_number(oo, "window-status-alert-attr");
692: if (attr != 0)
693: gc->attr = attr;
694: }
1.1 nicm 695:
1.72 nicm 696: text = status_replace(c, NULL, wl, NULL, fmt, t, 1);
1.1 nicm 697: return (text);
698: }
699:
1.46 nicm 700: /* Set a status line message. */
1.10 nicm 701: void printflike2
702: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 703: {
1.44 nicm 704: struct timeval tv;
705: struct session *s = c->session;
706: struct message_entry *msg;
707: va_list ap;
708: int delay;
709: u_int i, limit;
1.1 nicm 710:
1.12 nicm 711: status_prompt_clear(c);
712: status_message_clear(c);
713:
1.28 nicm 714: va_start(ap, fmt);
715: xvasprintf(&c->message_string, fmt, ap);
716: va_end(ap);
717:
1.44 nicm 718: ARRAY_EXPAND(&c->message_log, 1);
719: msg = &ARRAY_LAST(&c->message_log);
720: msg->msg_time = time(NULL);
721: msg->msg = xstrdup(c->message_string);
722:
723: if (s == NULL)
724: limit = 0;
725: else
726: limit = options_get_number(&s->options, "message-limit");
1.50 nicm 727: if (ARRAY_LENGTH(&c->message_log) > limit) {
728: limit = ARRAY_LENGTH(&c->message_log) - limit;
729: for (i = 0; i < limit; i++) {
730: msg = &ARRAY_FIRST(&c->message_log);
731: xfree(msg->msg);
732: ARRAY_REMOVE(&c->message_log, 0);
733: }
1.44 nicm 734: }
735:
1.1 nicm 736: delay = options_get_number(&c->session->options, "display-time");
737: tv.tv_sec = delay / 1000;
738: tv.tv_usec = (delay % 1000) * 1000L;
1.44 nicm 739:
1.42 nicm 740: evtimer_del(&c->message_timer);
741: evtimer_set(&c->message_timer, status_message_callback, c);
742: evtimer_add(&c->message_timer, &tv);
1.1 nicm 743:
744: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
745: c->flags |= CLIENT_STATUS;
746: }
747:
1.46 nicm 748: /* Clear status line message. */
1.1 nicm 749: void
750: status_message_clear(struct client *c)
751: {
752: if (c->message_string == NULL)
753: return;
754:
755: xfree(c->message_string);
756: c->message_string = NULL;
757:
758: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 759: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 760:
761: screen_reinit(&c->status);
1.42 nicm 762: }
763:
1.46 nicm 764: /* Clear status line message after timer expires. */
1.52 nicm 765: /* ARGSUSED */
1.42 nicm 766: void
767: status_message_callback(unused int fd, unused short event, void *data)
768: {
769: struct client *c = data;
770:
771: status_message_clear(c);
1.1 nicm 772: }
773:
774: /* Draw client message on status line of present else on last line. */
775: int
776: status_message_redraw(struct client *c)
777: {
778: struct screen_write_ctx ctx;
779: struct session *s = c->session;
780: struct screen old_status;
781: size_t len;
782: struct grid_cell gc;
1.51 nicm 783: int utf8flag;
1.1 nicm 784:
785: if (c->tty.sx == 0 || c->tty.sy == 0)
786: return (0);
787: memcpy(&old_status, &c->status, sizeof old_status);
788: screen_init(&c->status, c->tty.sx, 1, 0);
789:
1.51 nicm 790: utf8flag = options_get_number(&s->options, "status-utf8");
791:
792: len = screen_write_strlen(utf8flag, "%s", c->message_string);
1.1 nicm 793: if (len > c->tty.sx)
794: len = c->tty.sx;
795:
796: memcpy(&gc, &grid_default_cell, sizeof gc);
1.33 nicm 797: colour_set_fg(&gc, options_get_number(&s->options, "message-fg"));
798: colour_set_bg(&gc, options_get_number(&s->options, "message-bg"));
1.1 nicm 799: gc.attr |= options_get_number(&s->options, "message-attr");
800:
801: screen_write_start(&ctx, NULL, &c->status);
802:
803: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 804: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->message_string);
1.1 nicm 805: for (; len < c->tty.sx; len++)
806: screen_write_putc(&ctx, &gc, ' ');
807:
808: screen_write_stop(&ctx);
809:
810: if (grid_compare(c->status.grid, old_status.grid) == 0) {
811: screen_free(&old_status);
812: return (0);
813: }
814: screen_free(&old_status);
815: return (1);
816: }
817:
1.46 nicm 818: /* Enable status line prompt. */
1.1 nicm 819: void
1.76 nicm 820: status_prompt_set(struct client *c, const char *msg, const char *input,
1.12 nicm 821: int (*callbackfn)(void *, const char *), void (*freefn)(void *),
822: void *data, int flags)
1.1 nicm 823: {
1.20 nicm 824: int keys;
825:
1.12 nicm 826: status_message_clear(c);
827: status_prompt_clear(c);
828:
1.77 nicm 829: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
830: time(NULL), 0);
1.1 nicm 831:
1.77 nicm 832: if (input == NULL)
833: input = "";
834: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
835: time(NULL), 0);
1.76 nicm 836: c->prompt_index = strlen(c->prompt_buffer);
1.1 nicm 837:
1.12 nicm 838: c->prompt_callbackfn = callbackfn;
839: c->prompt_freefn = freefn;
1.1 nicm 840: c->prompt_data = data;
841:
842: c->prompt_hindex = 0;
843:
844: c->prompt_flags = flags;
845:
1.20 nicm 846: keys = options_get_number(&c->session->options, "status-keys");
847: if (keys == MODEKEY_EMACS)
1.21 nicm 848: mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
1.20 nicm 849: else
1.21 nicm 850: mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
1.1 nicm 851:
852: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
853: c->flags |= CLIENT_STATUS;
854: }
855:
1.46 nicm 856: /* Remove status line prompt. */
1.1 nicm 857: void
858: status_prompt_clear(struct client *c)
859: {
1.55 nicm 860: if (c->prompt_string == NULL)
1.1 nicm 861: return;
862:
1.12 nicm 863: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
864: c->prompt_freefn(c->prompt_data);
1.1 nicm 865:
866: xfree(c->prompt_string);
867: c->prompt_string = NULL;
868:
869: xfree(c->prompt_buffer);
870: c->prompt_buffer = NULL;
871:
872: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 873: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 874:
875: screen_reinit(&c->status);
1.27 nicm 876: }
877:
1.46 nicm 878: /* Update status line prompt with a new prompt string. */
1.27 nicm 879: void
1.76 nicm 880: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 881: {
882: xfree(c->prompt_string);
1.77 nicm 883: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
884: time(NULL), 0);
1.27 nicm 885:
1.76 nicm 886: xfree(c->prompt_buffer);
1.77 nicm 887: if (input == NULL)
888: input = "";
889: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
890: time(NULL), 0);
1.76 nicm 891: c->prompt_index = strlen(c->prompt_buffer);
1.27 nicm 892:
893: c->prompt_hindex = 0;
894:
895: c->flags |= CLIENT_STATUS;
1.1 nicm 896: }
897:
898: /* Draw client prompt on status line of present else on last line. */
899: int
900: status_prompt_redraw(struct client *c)
901: {
1.51 nicm 902: struct screen_write_ctx ctx;
1.1 nicm 903: struct session *s = c->session;
904: struct screen old_status;
1.29 nicm 905: size_t i, size, left, len, off;
1.51 nicm 906: struct grid_cell gc, *gcp;
907: int utf8flag;
1.1 nicm 908:
909: if (c->tty.sx == 0 || c->tty.sy == 0)
910: return (0);
911: memcpy(&old_status, &c->status, sizeof old_status);
912: screen_init(&c->status, c->tty.sx, 1, 0);
913:
1.51 nicm 914: utf8flag = options_get_number(&s->options, "status-utf8");
915:
916: len = screen_write_strlen(utf8flag, "%s", c->prompt_string);
1.1 nicm 917: if (len > c->tty.sx)
918: len = c->tty.sx;
1.51 nicm 919: off = 0;
1.1 nicm 920:
921: memcpy(&gc, &grid_default_cell, sizeof gc);
1.33 nicm 922: colour_set_fg(&gc, options_get_number(&s->options, "message-fg"));
923: colour_set_bg(&gc, options_get_number(&s->options, "message-bg"));
1.1 nicm 924: gc.attr |= options_get_number(&s->options, "message-attr");
925:
926: screen_write_start(&ctx, NULL, &c->status);
927:
928: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 929: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->prompt_string);
1.1 nicm 930:
931: left = c->tty.sx - len;
932: if (left != 0) {
1.51 nicm 933: size = screen_write_strlen(utf8flag, "%s", c->prompt_buffer);
934: if (c->prompt_index >= left) {
1.17 nicm 935: off = c->prompt_index - left + 1;
1.51 nicm 936: if (c->prompt_index == size)
1.1 nicm 937: left--;
938: size = left;
939: }
1.51 nicm 940: screen_write_nputs(
941: &ctx, left, &gc, utf8flag, "%s", c->prompt_buffer + off);
1.1 nicm 942:
1.55 nicm 943: for (i = len + size; i < c->tty.sx; i++)
944: screen_write_putc(&ctx, &gc, ' ');
1.1 nicm 945: }
946:
947: screen_write_stop(&ctx);
1.51 nicm 948:
949: /* Apply fake cursor. */
950: off = len + c->prompt_index - off;
951: gcp = grid_view_get_cell(c->status.grid, off, 0);
952: gcp->attr ^= GRID_ATTR_REVERSE;
1.1 nicm 953:
954: if (grid_compare(c->status.grid, old_status.grid) == 0) {
955: screen_free(&old_status);
956: return (0);
957: }
958: screen_free(&old_status);
959: return (1);
960: }
961:
962: /* Handle keys in prompt. */
963: void
964: status_prompt_key(struct client *c, int key)
965: {
966: struct paste_buffer *pb;
1.30 nicm 967: char *s, *first, *last, word[64], swapc;
1.66 nicm 968: const char *histstr;
1.53 nicm 969: u_char ch;
1.1 nicm 970: size_t size, n, off, idx;
971:
972: size = strlen(c->prompt_buffer);
973: switch (mode_key_lookup(&c->prompt_mdata, key)) {
1.20 nicm 974: case MODEKEYEDIT_CURSORLEFT:
1.1 nicm 975: if (c->prompt_index > 0) {
976: c->prompt_index--;
977: c->flags |= CLIENT_STATUS;
978: }
979: break;
1.20 nicm 980: case MODEKEYEDIT_SWITCHMODEAPPEND:
981: case MODEKEYEDIT_CURSORRIGHT:
1.1 nicm 982: if (c->prompt_index < size) {
983: c->prompt_index++;
984: c->flags |= CLIENT_STATUS;
985: }
986: break;
1.20 nicm 987: case MODEKEYEDIT_STARTOFLINE:
1.1 nicm 988: if (c->prompt_index != 0) {
989: c->prompt_index = 0;
990: c->flags |= CLIENT_STATUS;
991: }
992: break;
1.20 nicm 993: case MODEKEYEDIT_ENDOFLINE:
1.1 nicm 994: if (c->prompt_index != size) {
995: c->prompt_index = size;
996: c->flags |= CLIENT_STATUS;
997: }
998: break;
1.20 nicm 999: case MODEKEYEDIT_COMPLETE:
1.1 nicm 1000: if (*c->prompt_buffer == '\0')
1001: break;
1002:
1003: idx = c->prompt_index;
1004: if (idx != 0)
1005: idx--;
1006:
1007: /* Find the word we are in. */
1008: first = c->prompt_buffer + idx;
1009: while (first > c->prompt_buffer && *first != ' ')
1010: first--;
1011: while (*first == ' ')
1012: first++;
1013: last = c->prompt_buffer + idx;
1014: while (*last != '\0' && *last != ' ')
1015: last++;
1016: while (*last == ' ')
1017: last--;
1018: if (*last != '\0')
1019: last++;
1020: if (last <= first ||
1021: ((size_t) (last - first)) > (sizeof word) - 1)
1022: break;
1023: memcpy(word, first, last - first);
1024: word[last - first] = '\0';
1025:
1026: /* And try to complete it. */
1027: if ((s = status_prompt_complete(word)) == NULL)
1028: break;
1029:
1030: /* Trim out word. */
1031: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1032: memmove(first, last, n);
1033: size -= last - first;
1034:
1035: /* Insert the new word. */
1.55 nicm 1036: size += strlen(s);
1.1 nicm 1037: off = first - c->prompt_buffer;
1.55 nicm 1038: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 1);
1.1 nicm 1039: first = c->prompt_buffer + off;
1.55 nicm 1040: memmove(first + strlen(s), first, n);
1041: memcpy(first, s, strlen(s));
1.1 nicm 1042:
1043: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.22 nicm 1044: xfree(s);
1.1 nicm 1045:
1046: c->flags |= CLIENT_STATUS;
1047: break;
1.20 nicm 1048: case MODEKEYEDIT_BACKSPACE:
1.1 nicm 1049: if (c->prompt_index != 0) {
1050: if (c->prompt_index == size)
1051: c->prompt_buffer[--c->prompt_index] = '\0';
1052: else {
1053: memmove(c->prompt_buffer + c->prompt_index - 1,
1054: c->prompt_buffer + c->prompt_index,
1055: size + 1 - c->prompt_index);
1056: c->prompt_index--;
1057: }
1058: c->flags |= CLIENT_STATUS;
1059: }
1060: break;
1.55 nicm 1061: case MODEKEYEDIT_DELETE:
1.1 nicm 1062: if (c->prompt_index != size) {
1063: memmove(c->prompt_buffer + c->prompt_index,
1064: c->prompt_buffer + c->prompt_index + 1,
1065: size + 1 - c->prompt_index);
1.18 nicm 1066: c->flags |= CLIENT_STATUS;
1067: }
1.26 nicm 1068: break;
1069: case MODEKEYEDIT_DELETELINE:
1070: *c->prompt_buffer = '\0';
1071: c->prompt_index = 0;
1072: c->flags |= CLIENT_STATUS;
1.18 nicm 1073: break;
1.20 nicm 1074: case MODEKEYEDIT_DELETETOENDOFLINE:
1.18 nicm 1075: if (c->prompt_index < size) {
1076: c->prompt_buffer[c->prompt_index] = '\0';
1.1 nicm 1077: c->flags |= CLIENT_STATUS;
1078: }
1079: break;
1.20 nicm 1080: case MODEKEYEDIT_HISTORYUP:
1.66 nicm 1081: histstr = status_prompt_up_history(&c->prompt_hindex);
1082: if (histstr == NULL)
1.1 nicm 1083: break;
1084: xfree(c->prompt_buffer);
1.66 nicm 1085: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1086: c->prompt_index = strlen(c->prompt_buffer);
1087: c->flags |= CLIENT_STATUS;
1088: break;
1.20 nicm 1089: case MODEKEYEDIT_HISTORYDOWN:
1.66 nicm 1090: histstr = status_prompt_down_history(&c->prompt_hindex);
1091: if (histstr == NULL)
1.65 nicm 1092: break;
1.1 nicm 1093: xfree(c->prompt_buffer);
1.66 nicm 1094: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1095: c->prompt_index = strlen(c->prompt_buffer);
1096: c->flags |= CLIENT_STATUS;
1097: break;
1.20 nicm 1098: case MODEKEYEDIT_PASTE:
1.68 nicm 1099: if ((pb = paste_get_top(&global_buffers)) == NULL)
1.1 nicm 1100: break;
1.32 nicm 1101: for (n = 0; n < pb->size; n++) {
1.53 nicm 1102: ch = (u_char) pb->data[n];
1103: if (ch < 32 || ch == 127)
1.32 nicm 1104: break;
1105: }
1.1 nicm 1106:
1107: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + n + 1);
1108: if (c->prompt_index == size) {
1109: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1110: c->prompt_index += n;
1111: c->prompt_buffer[c->prompt_index] = '\0';
1112: } else {
1113: memmove(c->prompt_buffer + c->prompt_index + n,
1114: c->prompt_buffer + c->prompt_index,
1115: size + 1 - c->prompt_index);
1116: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1117: c->prompt_index += n;
1118: }
1119:
1120: c->flags |= CLIENT_STATUS;
1.30 nicm 1121: break;
1122: case MODEKEYEDIT_TRANSPOSECHARS:
1123: idx = c->prompt_index;
1124: if (idx < size)
1125: idx++;
1126: if (idx >= 2) {
1127: swapc = c->prompt_buffer[idx - 2];
1128: c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
1129: c->prompt_buffer[idx - 1] = swapc;
1130: c->prompt_index = idx;
1131: c->flags |= CLIENT_STATUS;
1132: }
1.1 nicm 1133: break;
1.55 nicm 1134: case MODEKEYEDIT_ENTER:
1.25 nicm 1135: if (*c->prompt_buffer != '\0')
1.65 nicm 1136: status_prompt_add_history(c->prompt_buffer);
1.25 nicm 1137: if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
1138: status_prompt_clear(c);
1139: break;
1.20 nicm 1140: case MODEKEYEDIT_CANCEL:
1.12 nicm 1141: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1142: status_prompt_clear(c);
1143: break;
1.20 nicm 1144: case MODEKEY_OTHER:
1.61 nicm 1145: if ((key & 0xff00) != 0 || key < 32 || key == 127)
1.1 nicm 1146: break;
1147: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 2);
1148:
1149: if (c->prompt_index == size) {
1150: c->prompt_buffer[c->prompt_index++] = key;
1151: c->prompt_buffer[c->prompt_index] = '\0';
1152: } else {
1153: memmove(c->prompt_buffer + c->prompt_index + 1,
1154: c->prompt_buffer + c->prompt_index,
1155: size + 1 - c->prompt_index);
1156: c->prompt_buffer[c->prompt_index++] = key;
1157: }
1158:
1159: if (c->prompt_flags & PROMPT_SINGLE) {
1.12 nicm 1160: if (c->prompt_callbackfn(
1.1 nicm 1161: c->prompt_data, c->prompt_buffer) == 0)
1162: status_prompt_clear(c);
1163: }
1164:
1165: c->flags |= CLIENT_STATUS;
1166: break;
1167: default:
1168: break;
1169: }
1170: }
1171:
1.65 nicm 1172: /* Get previous line from the history. */
1173: const char *
1174: status_prompt_up_history(u_int *idx)
1175: {
1176: u_int size;
1177:
1178: /*
1179: * History runs from 0 to size - 1.
1180: *
1181: * Index is from 0 to size. Zero is empty.
1182: */
1183:
1184: size = ARRAY_LENGTH(&status_prompt_history);
1185: if (size == 0 || *idx == size)
1186: return (NULL);
1187: (*idx)++;
1188: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1189: }
1190:
1191: /* Get next line from the history. */
1192: const char *
1193: status_prompt_down_history(u_int *idx)
1194: {
1195: u_int size;
1196:
1197: size = ARRAY_LENGTH(&status_prompt_history);
1198: if (size == 0 || *idx == 0)
1199: return ("");
1200: (*idx)--;
1201: if (*idx == 0)
1202: return ("");
1203: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1204: }
1205:
1.1 nicm 1206: /* Add line to the history. */
1207: void
1.65 nicm 1208: status_prompt_add_history(const char *line)
1.1 nicm 1209: {
1.65 nicm 1210: u_int size;
1211:
1212: size = ARRAY_LENGTH(&status_prompt_history);
1213: if (size > 0 && strcmp(ARRAY_LAST(&status_prompt_history), line) == 0)
1.1 nicm 1214: return;
1215:
1.65 nicm 1216: if (size == PROMPT_HISTORY) {
1217: xfree(ARRAY_FIRST(&status_prompt_history));
1218: ARRAY_REMOVE(&status_prompt_history, 0);
1.1 nicm 1219: }
1220:
1.65 nicm 1221: ARRAY_ADD(&status_prompt_history, xstrdup(line));
1.1 nicm 1222: }
1223:
1224: /* Complete word. */
1225: char *
1226: status_prompt_complete(const char *s)
1227: {
1.69 nicm 1228: const struct cmd_entry **cmdent;
1229: const struct options_table_entry *oe;
1230: ARRAY_DECL(, const char *) list;
1231: char *prefix, *s2;
1232: u_int i;
1233: size_t j;
1.1 nicm 1234:
1235: if (*s == '\0')
1236: return (NULL);
1237:
1238: /* First, build a list of all the possible matches. */
1239: ARRAY_INIT(&list);
1240: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1241: if (strncmp((*cmdent)->name, s, strlen(s)) == 0)
1242: ARRAY_ADD(&list, (*cmdent)->name);
1.56 nicm 1243: }
1.69 nicm 1244: for (oe = server_options_table; oe->name != NULL; oe++) {
1245: if (strncmp(oe->name, s, strlen(s)) == 0)
1246: ARRAY_ADD(&list, oe->name);
1247: }
1248: for (oe = session_options_table; oe->name != NULL; oe++) {
1249: if (strncmp(oe->name, s, strlen(s)) == 0)
1250: ARRAY_ADD(&list, oe->name);
1251: }
1252: for (oe = window_options_table; oe->name != NULL; oe++) {
1253: if (strncmp(oe->name, s, strlen(s)) == 0)
1254: ARRAY_ADD(&list, oe->name);
1.1 nicm 1255: }
1256:
1257: /* If none, bail now. */
1258: if (ARRAY_LENGTH(&list) == 0) {
1259: ARRAY_FREE(&list);
1260: return (NULL);
1261: }
1262:
1263: /* If an exact match, return it, with a trailing space. */
1264: if (ARRAY_LENGTH(&list) == 1) {
1265: xasprintf(&s2, "%s ", ARRAY_FIRST(&list));
1266: ARRAY_FREE(&list);
1267: return (s2);
1268: }
1269:
1270: /* Now loop through the list and find the longest common prefix. */
1271: prefix = xstrdup(ARRAY_FIRST(&list));
1272: for (i = 1; i < ARRAY_LENGTH(&list); i++) {
1273: s = ARRAY_ITEM(&list, i);
1274:
1275: j = strlen(s);
1276: if (j > strlen(prefix))
1277: j = strlen(prefix);
1278: for (; j > 0; j--) {
1279: if (prefix[j - 1] != s[j - 1])
1280: prefix[j - 1] = '\0';
1281: }
1282: }
1283:
1284: ARRAY_FREE(&list);
1285: return (prefix);
1286: }