Annotation of src/usr.bin/tmux/status.c, Revision 1.83
1.83 ! nicm 1: /* $OpenBSD: status.c,v 1.82 2011/12/01 20:42:31 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;
1.80 nicm 375: u_int idx;
1.46 nicm 376:
1.72 nicm 377: if (s == NULL)
378: s = c->session;
1.47 nicm 379: if (wl == NULL)
380: wl = s->curw;
1.72 nicm 381: if (wp == NULL)
382: wp = wl->window->active;
1.47 nicm 383:
1.46 nicm 384: errno = 0;
385: limit = strtol(*iptr, &endptr, 10);
386: if ((limit == 0 && errno != EINVAL) ||
387: (limit == LONG_MIN && errno != ERANGE) ||
1.55 nicm 388: (limit == LONG_MAX && errno != ERANGE) ||
1.46 nicm 389: limit != 0)
390: *iptr = endptr;
391: if (limit <= 0)
392: limit = LONG_MAX;
393:
394: freeptr = NULL;
395:
396: switch (*(*iptr)++) {
397: case '(':
398: if (!jobsflag) {
399: ch = ')';
400: goto skip_to;
401: }
1.71 nicm 402: if ((ptr = status_find_job(c, iptr)) == NULL)
1.46 nicm 403: return;
404: goto do_replace;
1.72 nicm 405: case 'D':
406: xsnprintf(tmp, sizeof tmp, "%%%u", wp->id);
407: ptr = tmp;
408: goto do_replace;
1.46 nicm 409: case 'H':
410: if (gethostname(tmp, sizeof tmp) != 0)
411: fatal("gethostname failed");
1.74 nicm 412: ptr = tmp;
413: goto do_replace;
414: case 'h':
415: if (gethostname(tmp, sizeof tmp) != 0)
416: fatal("gethostname failed");
417: if ((ptr = strchr(tmp, '.')) != NULL)
418: *ptr = '\0';
1.46 nicm 419: ptr = tmp;
420: goto do_replace;
421: case 'I':
422: xsnprintf(tmp, sizeof tmp, "%d", wl->idx);
423: ptr = tmp;
424: goto do_replace;
425: case 'P':
1.80 nicm 426: if (window_pane_index(wp, &idx) != 0)
427: fatalx("index not found");
1.72 nicm 428: xsnprintf(
1.80 nicm 429: tmp, sizeof tmp, "%u", idx);
1.46 nicm 430: ptr = tmp;
431: goto do_replace;
432: case 'S':
433: ptr = s->name;
434: goto do_replace;
435: case 'T':
1.72 nicm 436: ptr = wp->base.title;
1.46 nicm 437: goto do_replace;
438: case 'W':
439: ptr = wl->window->name;
440: goto do_replace;
1.47 nicm 441: case 'F':
1.67 nicm 442: ptr = window_printable_flags(s, wl);
443: freeptr = ptr;
1.47 nicm 444: goto do_replace;
1.46 nicm 445: case '[':
1.55 nicm 446: /*
1.46 nicm 447: * Embedded style, handled at display time. Leave present and
448: * skip input until ].
449: */
450: ch = ']';
451: goto skip_to;
452: case '#':
1.49 nicm 453: *(*optr)++ = '#';
1.46 nicm 454: break;
455: }
456:
457: return;
1.55 nicm 458:
1.46 nicm 459: do_replace:
460: ptrlen = strlen(ptr);
461: if ((size_t) limit < ptrlen)
462: ptrlen = limit;
463:
464: if (*optr + ptrlen >= out + outsize - 1)
465: return;
466: while (ptrlen > 0 && *ptr != '\0') {
467: *(*optr)++ = *ptr++;
468: ptrlen--;
469: }
470:
471: if (freeptr != NULL)
472: xfree(freeptr);
473: return;
474:
475: skip_to:
476: *(*optr)++ = '#';
477:
478: (*iptr)--; /* include ch */
479: while (**iptr != ch && **iptr != '\0') {
480: if (*optr >= out + outsize - 1)
481: break;
482: *(*optr)++ = *(*iptr)++;
483: }
484: }
485:
486: /* Replace special sequences in fmt. */
487: char *
1.72 nicm 488: status_replace(struct client *c, struct session *s, struct winlink *wl,
489: struct window_pane *wp, const char *fmt, time_t t, int jobsflag)
1.46 nicm 490: {
1.1 nicm 491: static char out[BUFSIZ];
1.46 nicm 492: char in[BUFSIZ], ch, *iptr, *optr;
1.47 nicm 493:
1.1 nicm 494: strftime(in, sizeof in, fmt, localtime(&t));
495: in[(sizeof in) - 1] = '\0';
496:
497: iptr = in;
498: optr = out;
499:
500: while (*iptr != '\0') {
501: if (optr >= out + (sizeof out) - 1)
502: break;
1.46 nicm 503: ch = *iptr++;
504:
1.70 nicm 505: if (ch != '#' || *iptr == '\0') {
1.1 nicm 506: *optr++ = ch;
1.46 nicm 507: continue;
1.1 nicm 508: }
1.72 nicm 509: status_replace1(
510: c, s, wl, wp, &iptr, &optr, out, sizeof out, jobsflag);
1.1 nicm 511: }
512: *optr = '\0';
513:
514: return (xstrdup(out));
515: }
516:
1.46 nicm 517: /* Figure out job name and get its result, starting it off if necessary. */
1.1 nicm 518: char *
1.71 nicm 519: status_find_job(struct client *c, char **iptr)
1.1 nicm 520: {
1.71 nicm 521: struct status_out *so, so_find;
522: char *cmd;
523: int lastesc;
524: size_t len;
1.1 nicm 525:
526: if (**iptr == '\0')
527: return (NULL);
528: if (**iptr == ')') { /* no command given */
529: (*iptr)++;
530: return (NULL);
531: }
532:
533: cmd = xmalloc(strlen(*iptr) + 1);
534: len = 0;
535:
536: lastesc = 0;
537: for (; **iptr != '\0'; (*iptr)++) {
538: if (!lastesc && **iptr == ')')
539: break; /* unescaped ) is the end */
540: if (!lastesc && **iptr == '\\') {
541: lastesc = 1;
542: continue; /* skip \ if not escaped */
543: }
544: lastesc = 0;
545: cmd[len++] = **iptr;
546: }
1.38 nicm 547: if (**iptr == '\0') /* no terminating ) */ {
548: xfree(cmd);
549: return (NULL);
550: }
1.1 nicm 551: (*iptr)++; /* skip final ) */
552: cmd[len] = '\0';
553:
1.71 nicm 554: /* First try in the new tree. */
555: so_find.cmd = cmd;
556: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
1.78 nicm 557: if (so != NULL && so->out != NULL) {
558: xfree(cmd);
1.71 nicm 559: return (so->out);
1.78 nicm 560: }
1.71 nicm 561:
562: /* If not found at all, start the job and add to the tree. */
563: if (so == NULL) {
564: job_run(cmd, status_job_callback, status_job_free, c);
565: c->references++;
566:
567: so = xmalloc(sizeof *so);
568: so->cmd = xstrdup(cmd);
569: so->out = NULL;
570: RB_INSERT(status_out_tree, &c->status_new, so);
571: }
572:
573: /* Lookup in the old tree. */
574: so_find.cmd = cmd;
575: so = RB_FIND(status_out_tree, &c->status_old, &so_find);
576: xfree(cmd);
577: if (so != NULL)
578: return (so->out);
579: return (NULL);
580: }
581:
582: /* Free job tree. */
583: void
584: status_free_jobs(struct status_out_tree *sotree)
585: {
586: struct status_out *so, *so_next;
587:
588: so_next = RB_MIN(status_out_tree, sotree);
589: while (so_next != NULL) {
590: so = so_next;
591: so_next = RB_NEXT(status_out_tree, sotree, so);
592:
593: RB_REMOVE(status_out_tree, sotree, so);
594: if (so->out != NULL)
595: xfree(so->out);
596: xfree(so->cmd);
597: xfree(so);
1.38 nicm 598: }
1.71 nicm 599: }
600:
601: /* Update jobs on status interval. */
602: void
603: status_update_jobs(struct client *c)
604: {
605: /* Free the old tree. */
606: status_free_jobs(&c->status_old);
607:
608: /* Move the new to old. */
609: memcpy(&c->status_old, &c->status_new, sizeof c->status_old);
610: RB_INIT(&c->status_new);
611: }
612:
613: /* Free status job. */
614: void
615: status_job_free(void *data)
616: {
617: struct client *c = data;
618:
619: c->references--;
1.38 nicm 620: }
1.1 nicm 621:
1.46 nicm 622: /* Job has finished: save its result. */
1.38 nicm 623: void
624: status_job_callback(struct job *job)
625: {
1.71 nicm 626: struct client *c = job->data;
627: struct status_out *so, so_find;
628: char *line, *buf;
629: size_t len;
630:
631: if (c->flags & CLIENT_DEAD)
632: return;
633:
634: so_find.cmd = job->cmd;
635: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
636: if (so == NULL || so->out != NULL)
637: return;
1.38 nicm 638:
1.41 nicm 639: buf = NULL;
640: if ((line = evbuffer_readline(job->event->input)) == NULL) {
641: len = EVBUFFER_LENGTH(job->event->input);
642: buf = xmalloc(len + 1);
643: if (len != 0)
644: memcpy(buf, EVBUFFER_DATA(job->event->input), len);
645: buf[len] = '\0';
1.71 nicm 646: } else
647: buf = xstrdup(line);
1.1 nicm 648:
1.71 nicm 649: so->out = buf;
1.75 nicm 650: server_status_client(c);
1.1 nicm 651: }
652:
1.46 nicm 653: /* Return winlink status line entry and adjust gc as necessary. */
1.1 nicm 654: char *
1.47 nicm 655: status_print(
656: struct client *c, struct winlink *wl, time_t t, struct grid_cell *gc)
1.1 nicm 657: {
1.33 nicm 658: struct options *oo = &wl->window->options;
1.47 nicm 659: struct session *s = c->session;
660: const char *fmt;
661: char *text;
1.33 nicm 662: u_char fg, bg, attr;
1.1 nicm 663:
1.33 nicm 664: fg = options_get_number(oo, "window-status-fg");
1.1 nicm 665: if (fg != 8)
1.33 nicm 666: colour_set_fg(gc, fg);
667: bg = options_get_number(oo, "window-status-bg");
1.1 nicm 668: if (bg != 8)
1.33 nicm 669: colour_set_bg(gc, bg);
670: attr = options_get_number(oo, "window-status-attr");
1.1 nicm 671: if (attr != 0)
672: gc->attr = attr;
1.47 nicm 673: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 674: if (wl == s->curw) {
1.33 nicm 675: fg = options_get_number(oo, "window-status-current-fg");
1.14 nicm 676: if (fg != 8)
1.33 nicm 677: colour_set_fg(gc, fg);
678: bg = options_get_number(oo, "window-status-current-bg");
1.14 nicm 679: if (bg != 8)
1.33 nicm 680: colour_set_bg(gc, bg);
681: attr = options_get_number(oo, "window-status-current-attr");
1.14 nicm 682: if (attr != 0)
683: gc->attr = attr;
1.47 nicm 684: fmt = options_get_string(oo, "window-status-current-format");
1.14 nicm 685: }
1.1 nicm 686:
1.63 nicm 687: if (wl->flags & WINLINK_ALERTFLAGS) {
1.62 nicm 688: fg = options_get_number(oo, "window-status-alert-fg");
689: if (fg != 8)
690: colour_set_fg(gc, fg);
691: bg = options_get_number(oo, "window-status-alert-bg");
692: if (bg != 8)
693: colour_set_bg(gc, bg);
694: attr = options_get_number(oo, "window-status-alert-attr");
695: if (attr != 0)
696: gc->attr = attr;
697: }
1.1 nicm 698:
1.72 nicm 699: text = status_replace(c, NULL, wl, NULL, fmt, t, 1);
1.1 nicm 700: return (text);
701: }
702:
1.46 nicm 703: /* Set a status line message. */
1.10 nicm 704: void printflike2
705: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 706: {
1.44 nicm 707: struct timeval tv;
708: struct session *s = c->session;
709: struct message_entry *msg;
710: va_list ap;
711: int delay;
712: u_int i, limit;
1.1 nicm 713:
1.12 nicm 714: status_prompt_clear(c);
715: status_message_clear(c);
716:
1.28 nicm 717: va_start(ap, fmt);
718: xvasprintf(&c->message_string, fmt, ap);
719: va_end(ap);
720:
1.44 nicm 721: ARRAY_EXPAND(&c->message_log, 1);
722: msg = &ARRAY_LAST(&c->message_log);
723: msg->msg_time = time(NULL);
724: msg->msg = xstrdup(c->message_string);
725:
726: if (s == NULL)
727: limit = 0;
728: else
729: limit = options_get_number(&s->options, "message-limit");
1.50 nicm 730: if (ARRAY_LENGTH(&c->message_log) > limit) {
731: limit = ARRAY_LENGTH(&c->message_log) - limit;
732: for (i = 0; i < limit; i++) {
733: msg = &ARRAY_FIRST(&c->message_log);
734: xfree(msg->msg);
735: ARRAY_REMOVE(&c->message_log, 0);
736: }
1.44 nicm 737: }
738:
1.1 nicm 739: delay = options_get_number(&c->session->options, "display-time");
740: tv.tv_sec = delay / 1000;
741: tv.tv_usec = (delay % 1000) * 1000L;
1.44 nicm 742:
1.42 nicm 743: evtimer_del(&c->message_timer);
744: evtimer_set(&c->message_timer, status_message_callback, c);
745: evtimer_add(&c->message_timer, &tv);
1.1 nicm 746:
747: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
748: c->flags |= CLIENT_STATUS;
749: }
750:
1.46 nicm 751: /* Clear status line message. */
1.1 nicm 752: void
753: status_message_clear(struct client *c)
754: {
755: if (c->message_string == NULL)
756: return;
757:
758: xfree(c->message_string);
759: c->message_string = NULL;
760:
761: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 762: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 763:
764: screen_reinit(&c->status);
1.42 nicm 765: }
766:
1.46 nicm 767: /* Clear status line message after timer expires. */
1.52 nicm 768: /* ARGSUSED */
1.42 nicm 769: void
770: status_message_callback(unused int fd, unused short event, void *data)
771: {
772: struct client *c = data;
773:
774: status_message_clear(c);
1.1 nicm 775: }
776:
777: /* Draw client message on status line of present else on last line. */
778: int
779: status_message_redraw(struct client *c)
780: {
781: struct screen_write_ctx ctx;
782: struct session *s = c->session;
783: struct screen old_status;
784: size_t len;
785: struct grid_cell gc;
1.51 nicm 786: int utf8flag;
1.1 nicm 787:
788: if (c->tty.sx == 0 || c->tty.sy == 0)
789: return (0);
790: memcpy(&old_status, &c->status, sizeof old_status);
791: screen_init(&c->status, c->tty.sx, 1, 0);
792:
1.51 nicm 793: utf8flag = options_get_number(&s->options, "status-utf8");
794:
795: len = screen_write_strlen(utf8flag, "%s", c->message_string);
1.1 nicm 796: if (len > c->tty.sx)
797: len = c->tty.sx;
798:
799: memcpy(&gc, &grid_default_cell, sizeof gc);
1.33 nicm 800: colour_set_fg(&gc, options_get_number(&s->options, "message-fg"));
801: colour_set_bg(&gc, options_get_number(&s->options, "message-bg"));
1.1 nicm 802: gc.attr |= options_get_number(&s->options, "message-attr");
803:
804: screen_write_start(&ctx, NULL, &c->status);
805:
806: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 807: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->message_string);
1.1 nicm 808: for (; len < c->tty.sx; len++)
809: screen_write_putc(&ctx, &gc, ' ');
810:
811: screen_write_stop(&ctx);
812:
813: if (grid_compare(c->status.grid, old_status.grid) == 0) {
814: screen_free(&old_status);
815: return (0);
816: }
817: screen_free(&old_status);
818: return (1);
819: }
820:
1.46 nicm 821: /* Enable status line prompt. */
1.1 nicm 822: void
1.76 nicm 823: status_prompt_set(struct client *c, const char *msg, const char *input,
1.12 nicm 824: int (*callbackfn)(void *, const char *), void (*freefn)(void *),
825: void *data, int flags)
1.1 nicm 826: {
1.20 nicm 827: int keys;
828:
1.12 nicm 829: status_message_clear(c);
830: status_prompt_clear(c);
831:
1.77 nicm 832: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
833: time(NULL), 0);
1.1 nicm 834:
1.77 nicm 835: if (input == NULL)
836: input = "";
837: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
838: time(NULL), 0);
1.76 nicm 839: c->prompt_index = strlen(c->prompt_buffer);
1.1 nicm 840:
1.12 nicm 841: c->prompt_callbackfn = callbackfn;
842: c->prompt_freefn = freefn;
1.1 nicm 843: c->prompt_data = data;
844:
845: c->prompt_hindex = 0;
846:
847: c->prompt_flags = flags;
848:
1.20 nicm 849: keys = options_get_number(&c->session->options, "status-keys");
850: if (keys == MODEKEY_EMACS)
1.21 nicm 851: mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
1.20 nicm 852: else
1.21 nicm 853: mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
1.1 nicm 854:
855: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
856: c->flags |= CLIENT_STATUS;
857: }
858:
1.46 nicm 859: /* Remove status line prompt. */
1.1 nicm 860: void
861: status_prompt_clear(struct client *c)
862: {
1.55 nicm 863: if (c->prompt_string == NULL)
1.1 nicm 864: return;
865:
1.12 nicm 866: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
867: c->prompt_freefn(c->prompt_data);
1.1 nicm 868:
869: xfree(c->prompt_string);
870: c->prompt_string = NULL;
871:
872: xfree(c->prompt_buffer);
873: c->prompt_buffer = NULL;
874:
875: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 876: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 877:
878: screen_reinit(&c->status);
1.27 nicm 879: }
880:
1.46 nicm 881: /* Update status line prompt with a new prompt string. */
1.27 nicm 882: void
1.76 nicm 883: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 884: {
885: xfree(c->prompt_string);
1.77 nicm 886: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
887: time(NULL), 0);
1.27 nicm 888:
1.76 nicm 889: xfree(c->prompt_buffer);
1.77 nicm 890: if (input == NULL)
891: input = "";
892: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
893: time(NULL), 0);
1.76 nicm 894: c->prompt_index = strlen(c->prompt_buffer);
1.27 nicm 895:
896: c->prompt_hindex = 0;
897:
898: c->flags |= CLIENT_STATUS;
1.1 nicm 899: }
900:
901: /* Draw client prompt on status line of present else on last line. */
902: int
903: status_prompt_redraw(struct client *c)
904: {
1.51 nicm 905: struct screen_write_ctx ctx;
1.1 nicm 906: struct session *s = c->session;
907: struct screen old_status;
1.29 nicm 908: size_t i, size, left, len, off;
1.51 nicm 909: struct grid_cell gc, *gcp;
910: int utf8flag;
1.1 nicm 911:
912: if (c->tty.sx == 0 || c->tty.sy == 0)
913: return (0);
914: memcpy(&old_status, &c->status, sizeof old_status);
915: screen_init(&c->status, c->tty.sx, 1, 0);
916:
1.51 nicm 917: utf8flag = options_get_number(&s->options, "status-utf8");
918:
919: len = screen_write_strlen(utf8flag, "%s", c->prompt_string);
1.1 nicm 920: if (len > c->tty.sx)
921: len = c->tty.sx;
1.51 nicm 922: off = 0;
1.1 nicm 923:
924: memcpy(&gc, &grid_default_cell, sizeof gc);
1.79 nicm 925: /* Change colours for command mode. */
926: if (c->prompt_mdata.mode == 1) {
927: colour_set_fg(&gc, options_get_number(&s->options, "message-command-fg"));
928: colour_set_bg(&gc, options_get_number(&s->options, "message-command-bg"));
929: gc.attr |= options_get_number(&s->options, "message-command-attr");
930: } else {
931: colour_set_fg(&gc, options_get_number(&s->options, "message-fg"));
932: colour_set_bg(&gc, options_get_number(&s->options, "message-bg"));
933: gc.attr |= options_get_number(&s->options, "message-attr");
934: }
1.1 nicm 935:
936: screen_write_start(&ctx, NULL, &c->status);
937:
938: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 939: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->prompt_string);
1.1 nicm 940:
941: left = c->tty.sx - len;
942: if (left != 0) {
1.51 nicm 943: size = screen_write_strlen(utf8flag, "%s", c->prompt_buffer);
944: if (c->prompt_index >= left) {
1.17 nicm 945: off = c->prompt_index - left + 1;
1.51 nicm 946: if (c->prompt_index == size)
1.1 nicm 947: left--;
948: size = left;
949: }
1.51 nicm 950: screen_write_nputs(
951: &ctx, left, &gc, utf8flag, "%s", c->prompt_buffer + off);
1.1 nicm 952:
1.55 nicm 953: for (i = len + size; i < c->tty.sx; i++)
954: screen_write_putc(&ctx, &gc, ' ');
1.1 nicm 955: }
956:
957: screen_write_stop(&ctx);
1.51 nicm 958:
959: /* Apply fake cursor. */
960: off = len + c->prompt_index - off;
961: gcp = grid_view_get_cell(c->status.grid, off, 0);
962: gcp->attr ^= GRID_ATTR_REVERSE;
1.1 nicm 963:
964: if (grid_compare(c->status.grid, old_status.grid) == 0) {
965: screen_free(&old_status);
966: return (0);
967: }
968: screen_free(&old_status);
969: return (1);
970: }
971:
972: /* Handle keys in prompt. */
973: void
974: status_prompt_key(struct client *c, int key)
975: {
1.81 nicm 976: struct session *sess = c->session;
977: struct options *oo = &sess->options;
1.1 nicm 978: struct paste_buffer *pb;
1.81 nicm 979: char *s, *first, *last, word[64], swapc;
980: const char *histstr;
1.83 ! nicm 981: const char *wsep = NULL;
1.53 nicm 982: u_char ch;
1.1 nicm 983: size_t size, n, off, idx;
984:
985: size = strlen(c->prompt_buffer);
986: switch (mode_key_lookup(&c->prompt_mdata, key)) {
1.20 nicm 987: case MODEKEYEDIT_CURSORLEFT:
1.1 nicm 988: if (c->prompt_index > 0) {
989: c->prompt_index--;
990: c->flags |= CLIENT_STATUS;
991: }
992: break;
1.79 nicm 993: case MODEKEYEDIT_SWITCHMODE:
994: c->flags |= CLIENT_STATUS;
995: break;
1.20 nicm 996: case MODEKEYEDIT_SWITCHMODEAPPEND:
1.79 nicm 997: c->flags |= CLIENT_STATUS;
998: /* FALLTHROUGH */
1.20 nicm 999: case MODEKEYEDIT_CURSORRIGHT:
1.1 nicm 1000: if (c->prompt_index < size) {
1001: c->prompt_index++;
1002: c->flags |= CLIENT_STATUS;
1003: }
1004: break;
1.20 nicm 1005: case MODEKEYEDIT_STARTOFLINE:
1.1 nicm 1006: if (c->prompt_index != 0) {
1007: c->prompt_index = 0;
1008: c->flags |= CLIENT_STATUS;
1009: }
1010: break;
1.20 nicm 1011: case MODEKEYEDIT_ENDOFLINE:
1.1 nicm 1012: if (c->prompt_index != size) {
1013: c->prompt_index = size;
1014: c->flags |= CLIENT_STATUS;
1015: }
1016: break;
1.20 nicm 1017: case MODEKEYEDIT_COMPLETE:
1.1 nicm 1018: if (*c->prompt_buffer == '\0')
1019: break;
1020:
1021: idx = c->prompt_index;
1022: if (idx != 0)
1023: idx--;
1024:
1025: /* Find the word we are in. */
1026: first = c->prompt_buffer + idx;
1027: while (first > c->prompt_buffer && *first != ' ')
1028: first--;
1029: while (*first == ' ')
1030: first++;
1031: last = c->prompt_buffer + idx;
1032: while (*last != '\0' && *last != ' ')
1033: last++;
1034: while (*last == ' ')
1035: last--;
1036: if (*last != '\0')
1037: last++;
1038: if (last <= first ||
1039: ((size_t) (last - first)) > (sizeof word) - 1)
1040: break;
1041: memcpy(word, first, last - first);
1042: word[last - first] = '\0';
1043:
1044: /* And try to complete it. */
1045: if ((s = status_prompt_complete(word)) == NULL)
1046: break;
1047:
1048: /* Trim out word. */
1049: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1050: memmove(first, last, n);
1051: size -= last - first;
1052:
1053: /* Insert the new word. */
1.55 nicm 1054: size += strlen(s);
1.1 nicm 1055: off = first - c->prompt_buffer;
1.55 nicm 1056: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 1);
1.1 nicm 1057: first = c->prompt_buffer + off;
1.55 nicm 1058: memmove(first + strlen(s), first, n);
1059: memcpy(first, s, strlen(s));
1.1 nicm 1060:
1061: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.22 nicm 1062: xfree(s);
1.1 nicm 1063:
1064: c->flags |= CLIENT_STATUS;
1065: break;
1.20 nicm 1066: case MODEKEYEDIT_BACKSPACE:
1.1 nicm 1067: if (c->prompt_index != 0) {
1068: if (c->prompt_index == size)
1069: c->prompt_buffer[--c->prompt_index] = '\0';
1070: else {
1071: memmove(c->prompt_buffer + c->prompt_index - 1,
1072: c->prompt_buffer + c->prompt_index,
1073: size + 1 - c->prompt_index);
1074: c->prompt_index--;
1075: }
1076: c->flags |= CLIENT_STATUS;
1077: }
1078: break;
1.55 nicm 1079: case MODEKEYEDIT_DELETE:
1.1 nicm 1080: if (c->prompt_index != size) {
1081: memmove(c->prompt_buffer + c->prompt_index,
1082: c->prompt_buffer + c->prompt_index + 1,
1083: size + 1 - c->prompt_index);
1.18 nicm 1084: c->flags |= CLIENT_STATUS;
1085: }
1.26 nicm 1086: break;
1087: case MODEKEYEDIT_DELETELINE:
1088: *c->prompt_buffer = '\0';
1089: c->prompt_index = 0;
1090: c->flags |= CLIENT_STATUS;
1.18 nicm 1091: break;
1.20 nicm 1092: case MODEKEYEDIT_DELETETOENDOFLINE:
1.18 nicm 1093: if (c->prompt_index < size) {
1094: c->prompt_buffer[c->prompt_index] = '\0';
1.1 nicm 1095: c->flags |= CLIENT_STATUS;
1096: }
1097: break;
1.81 nicm 1098: case MODEKEYEDIT_DELETEWORD:
1099: wsep = options_get_string(oo, "word-separators");
1100: idx = c->prompt_index;
1101:
1102: /* Find a non-separator. */
1103: while (idx != 0) {
1104: idx--;
1105: if (!strchr(wsep, c->prompt_buffer[idx]))
1106: break;
1107: }
1108:
1109: /* Find the separator at the beginning of the word. */
1110: while (idx != 0) {
1111: idx--;
1112: if (strchr(wsep, c->prompt_buffer[idx])) {
1113: /* Go back to the word. */
1114: idx++;
1115: break;
1116: }
1117: }
1118:
1119: memmove(c->prompt_buffer + idx,
1120: c->prompt_buffer + c->prompt_index,
1121: size + 1 - c->prompt_index);
1122: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1123: '\0', c->prompt_index - idx);
1124: c->prompt_index = idx;
1125: c->flags |= CLIENT_STATUS;
1126: break;
1.83 ! nicm 1127: case MODEKEYEDIT_NEXTSPACE:
! 1128: wsep = " ";
! 1129: /* FALLTHROUGH */
1.81 nicm 1130: case MODEKEYEDIT_NEXTWORD:
1.83 ! nicm 1131: if (wsep == NULL)
! 1132: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1133:
1134: /* Find a separator. */
1135: while (c->prompt_index != size) {
1136: c->prompt_index++;
1137: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1138: break;
1139: }
1140:
1141: /* Find the word right after the separation. */
1142: while (c->prompt_index != size) {
1143: c->prompt_index++;
1144: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1145: break;
1146: }
1147:
1148: c->flags |= CLIENT_STATUS;
1149: break;
1.83 ! nicm 1150: case MODEKEYEDIT_NEXTSPACEEND:
! 1151: wsep = " ";
! 1152: /* FALLTHROUGH */
1.81 nicm 1153: case MODEKEYEDIT_NEXTWORDEND:
1.83 ! nicm 1154: if (wsep == NULL)
! 1155: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1156:
1157: /* Find a word. */
1158: while (c->prompt_index != size) {
1159: c->prompt_index++;
1160: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1161: break;
1162: }
1163:
1164: /* Find the separator at the end of the word. */
1165: while (c->prompt_index != size) {
1166: c->prompt_index++;
1.82 nicm 1167: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1.81 nicm 1168: break;
1169: }
1170:
1171: c->flags |= CLIENT_STATUS;
1172: break;
1.83 ! nicm 1173: case MODEKEYEDIT_PREVIOUSSPACE:
! 1174: wsep = " ";
! 1175: /* FALLTHROUGH */
1.81 nicm 1176: case MODEKEYEDIT_PREVIOUSWORD:
1.83 ! nicm 1177: if (wsep == NULL)
! 1178: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1179:
1180: /* Find a non-separator. */
1181: while (c->prompt_index != 0) {
1182: c->prompt_index--;
1183: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1184: break;
1185: }
1186:
1187: /* Find the separator at the beginning of the word. */
1188: while (c->prompt_index != 0) {
1189: c->prompt_index--;
1190: if (strchr(wsep, c->prompt_buffer[c->prompt_index])) {
1191: /* Go back to the word. */
1192: c->prompt_index++;
1193: break;
1194: }
1195: }
1196:
1197: c->flags |= CLIENT_STATUS;
1198: break;
1.20 nicm 1199: case MODEKEYEDIT_HISTORYUP:
1.66 nicm 1200: histstr = status_prompt_up_history(&c->prompt_hindex);
1201: if (histstr == NULL)
1.1 nicm 1202: break;
1.81 nicm 1203: xfree(c->prompt_buffer);
1.66 nicm 1204: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1205: c->prompt_index = strlen(c->prompt_buffer);
1206: c->flags |= CLIENT_STATUS;
1207: break;
1.20 nicm 1208: case MODEKEYEDIT_HISTORYDOWN:
1.66 nicm 1209: histstr = status_prompt_down_history(&c->prompt_hindex);
1210: if (histstr == NULL)
1.65 nicm 1211: break;
1.1 nicm 1212: xfree(c->prompt_buffer);
1.66 nicm 1213: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1214: c->prompt_index = strlen(c->prompt_buffer);
1215: c->flags |= CLIENT_STATUS;
1216: break;
1.20 nicm 1217: case MODEKEYEDIT_PASTE:
1.68 nicm 1218: if ((pb = paste_get_top(&global_buffers)) == NULL)
1.1 nicm 1219: break;
1.32 nicm 1220: for (n = 0; n < pb->size; n++) {
1.53 nicm 1221: ch = (u_char) pb->data[n];
1222: if (ch < 32 || ch == 127)
1.32 nicm 1223: break;
1224: }
1.1 nicm 1225:
1226: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + n + 1);
1227: if (c->prompt_index == size) {
1228: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1229: c->prompt_index += n;
1230: c->prompt_buffer[c->prompt_index] = '\0';
1231: } else {
1232: memmove(c->prompt_buffer + c->prompt_index + n,
1233: c->prompt_buffer + c->prompt_index,
1234: size + 1 - c->prompt_index);
1235: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1236: c->prompt_index += n;
1237: }
1238:
1239: c->flags |= CLIENT_STATUS;
1.30 nicm 1240: break;
1241: case MODEKEYEDIT_TRANSPOSECHARS:
1242: idx = c->prompt_index;
1243: if (idx < size)
1244: idx++;
1245: if (idx >= 2) {
1246: swapc = c->prompt_buffer[idx - 2];
1247: c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
1248: c->prompt_buffer[idx - 1] = swapc;
1249: c->prompt_index = idx;
1250: c->flags |= CLIENT_STATUS;
1251: }
1.1 nicm 1252: break;
1.55 nicm 1253: case MODEKEYEDIT_ENTER:
1.25 nicm 1254: if (*c->prompt_buffer != '\0')
1.65 nicm 1255: status_prompt_add_history(c->prompt_buffer);
1.25 nicm 1256: if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
1257: status_prompt_clear(c);
1258: break;
1.20 nicm 1259: case MODEKEYEDIT_CANCEL:
1.12 nicm 1260: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1261: status_prompt_clear(c);
1262: break;
1.20 nicm 1263: case MODEKEY_OTHER:
1.61 nicm 1264: if ((key & 0xff00) != 0 || key < 32 || key == 127)
1.1 nicm 1265: break;
1266: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 2);
1267:
1268: if (c->prompt_index == size) {
1269: c->prompt_buffer[c->prompt_index++] = key;
1270: c->prompt_buffer[c->prompt_index] = '\0';
1271: } else {
1272: memmove(c->prompt_buffer + c->prompt_index + 1,
1273: c->prompt_buffer + c->prompt_index,
1274: size + 1 - c->prompt_index);
1275: c->prompt_buffer[c->prompt_index++] = key;
1276: }
1277:
1278: if (c->prompt_flags & PROMPT_SINGLE) {
1.12 nicm 1279: if (c->prompt_callbackfn(
1.1 nicm 1280: c->prompt_data, c->prompt_buffer) == 0)
1281: status_prompt_clear(c);
1282: }
1283:
1284: c->flags |= CLIENT_STATUS;
1285: break;
1286: default:
1287: break;
1288: }
1289: }
1290:
1.65 nicm 1291: /* Get previous line from the history. */
1292: const char *
1293: status_prompt_up_history(u_int *idx)
1294: {
1295: u_int size;
1296:
1297: /*
1298: * History runs from 0 to size - 1.
1299: *
1300: * Index is from 0 to size. Zero is empty.
1301: */
1302:
1303: size = ARRAY_LENGTH(&status_prompt_history);
1304: if (size == 0 || *idx == size)
1305: return (NULL);
1306: (*idx)++;
1307: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1308: }
1309:
1310: /* Get next line from the history. */
1311: const char *
1312: status_prompt_down_history(u_int *idx)
1313: {
1314: u_int size;
1315:
1316: size = ARRAY_LENGTH(&status_prompt_history);
1317: if (size == 0 || *idx == 0)
1318: return ("");
1319: (*idx)--;
1320: if (*idx == 0)
1321: return ("");
1322: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1323: }
1324:
1.1 nicm 1325: /* Add line to the history. */
1326: void
1.65 nicm 1327: status_prompt_add_history(const char *line)
1.1 nicm 1328: {
1.65 nicm 1329: u_int size;
1330:
1331: size = ARRAY_LENGTH(&status_prompt_history);
1332: if (size > 0 && strcmp(ARRAY_LAST(&status_prompt_history), line) == 0)
1.1 nicm 1333: return;
1334:
1.65 nicm 1335: if (size == PROMPT_HISTORY) {
1336: xfree(ARRAY_FIRST(&status_prompt_history));
1337: ARRAY_REMOVE(&status_prompt_history, 0);
1.1 nicm 1338: }
1339:
1.65 nicm 1340: ARRAY_ADD(&status_prompt_history, xstrdup(line));
1.1 nicm 1341: }
1342:
1343: /* Complete word. */
1344: char *
1345: status_prompt_complete(const char *s)
1346: {
1.69 nicm 1347: const struct cmd_entry **cmdent;
1348: const struct options_table_entry *oe;
1349: ARRAY_DECL(, const char *) list;
1350: char *prefix, *s2;
1351: u_int i;
1352: size_t j;
1.1 nicm 1353:
1354: if (*s == '\0')
1355: return (NULL);
1356:
1357: /* First, build a list of all the possible matches. */
1358: ARRAY_INIT(&list);
1359: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1360: if (strncmp((*cmdent)->name, s, strlen(s)) == 0)
1361: ARRAY_ADD(&list, (*cmdent)->name);
1.56 nicm 1362: }
1.69 nicm 1363: for (oe = server_options_table; oe->name != NULL; oe++) {
1364: if (strncmp(oe->name, s, strlen(s)) == 0)
1365: ARRAY_ADD(&list, oe->name);
1366: }
1367: for (oe = session_options_table; oe->name != NULL; oe++) {
1368: if (strncmp(oe->name, s, strlen(s)) == 0)
1369: ARRAY_ADD(&list, oe->name);
1370: }
1371: for (oe = window_options_table; oe->name != NULL; oe++) {
1372: if (strncmp(oe->name, s, strlen(s)) == 0)
1373: ARRAY_ADD(&list, oe->name);
1.1 nicm 1374: }
1375:
1376: /* If none, bail now. */
1377: if (ARRAY_LENGTH(&list) == 0) {
1378: ARRAY_FREE(&list);
1379: return (NULL);
1380: }
1381:
1382: /* If an exact match, return it, with a trailing space. */
1383: if (ARRAY_LENGTH(&list) == 1) {
1384: xasprintf(&s2, "%s ", ARRAY_FIRST(&list));
1385: ARRAY_FREE(&list);
1386: return (s2);
1387: }
1388:
1389: /* Now loop through the list and find the longest common prefix. */
1390: prefix = xstrdup(ARRAY_FIRST(&list));
1391: for (i = 1; i < ARRAY_LENGTH(&list); i++) {
1392: s = ARRAY_ITEM(&list, i);
1393:
1394: j = strlen(s);
1395: if (j > strlen(prefix))
1396: j = strlen(prefix);
1397: for (; j > 0; j--) {
1398: if (prefix[j - 1] != s[j - 1])
1399: prefix[j - 1] = '\0';
1400: }
1401: }
1402:
1403: ARRAY_FREE(&list);
1404: return (prefix);
1405: }
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