Annotation of src/usr.bin/tmux/status.c, Revision 1.127
1.127 ! nicm 1: /* $OpenBSD: status.c,v 1.126 2015/04/24 22:19:36 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:
1.123 nicm 32: char *status_redraw_get_left(struct client *, time_t, int, struct grid_cell *,
33: size_t *);
34: char *status_redraw_get_right(struct client *, time_t, int,
35: 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 *);
1.123 nicm 39: char *status_print(struct client *, struct winlink *, time_t,
40: struct grid_cell *);
41: char *status_replace(struct client *, struct winlink *, const char *, time_t);
42: void status_replace1(struct client *, char **, char **, char *, size_t);
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));
1.87 nicm 61: }
62:
63: /* Get screen line of status line. -1 means off. */
64: int
65: status_at_line(struct client *c)
66: {
67: struct session *s = c->session;
68:
69: if (!options_get_number(&s->options, "status"))
70: return (-1);
71:
72: if (options_get_number(&s->options, "status-position") == 0)
73: return (0);
74: return (c->tty.sy - 1);
1.71 nicm 75: }
76:
1.48 nicm 77: /* Retrieve options for left string. */
78: char *
1.120 nicm 79: status_redraw_get_left(struct client *c, time_t t, int utf8flag,
80: struct grid_cell *gc, size_t *size)
1.48 nicm 81: {
82: struct session *s = c->session;
1.120 nicm 83: const char *template;
1.48 nicm 84: char *left;
85: size_t leftlen;
86:
1.108 nicm 87: style_apply_update(gc, &s->options, "status-left-style");
1.48 nicm 88:
1.120 nicm 89: template = options_get_string(&s->options, "status-left");
1.123 nicm 90: left = status_replace(c, NULL, template, t);
1.48 nicm 91:
92: *size = options_get_number(&s->options, "status-left-length");
93: leftlen = screen_write_cstrlen(utf8flag, "%s", left);
94: if (leftlen < *size)
95: *size = leftlen;
96: return (left);
97: }
98:
99: /* Retrieve options for right string. */
100: char *
1.120 nicm 101: status_redraw_get_right(struct client *c, time_t t, int utf8flag,
102: struct grid_cell *gc, size_t *size)
1.48 nicm 103: {
104: struct session *s = c->session;
1.120 nicm 105: const char *template;
1.48 nicm 106: char *right;
107: size_t rightlen;
108:
1.108 nicm 109: style_apply_update(gc, &s->options, "status-right-style");
1.48 nicm 110:
1.120 nicm 111: template = options_get_string(&s->options, "status-right");
1.123 nicm 112: right = status_replace(c, NULL, template, t);
1.48 nicm 113:
114: *size = options_get_number(&s->options, "status-right-length");
115: rightlen = screen_write_cstrlen(utf8flag, "%s", right);
116: if (rightlen < *size)
117: *size = rightlen;
118: return (right);
119: }
120:
1.125 nicm 121: /* Get window at window list position. */
122: struct window *
123: status_get_window_at(struct client *c, u_int x)
1.73 nicm 124: {
125: struct session *s = c->session;
126: struct winlink *wl;
1.115 nicm 127: struct options *oo;
128: size_t len;
1.73 nicm 129:
1.88 nicm 130: x += c->wlmouse;
1.73 nicm 131: RB_FOREACH(wl, winlinks, &s->windows) {
1.115 nicm 132: oo = &wl->window->options;
1.125 nicm 133: len = strlen(options_get_string(oo, "window-status-separator"));
1.115 nicm 134:
1.125 nicm 135: if (x < wl->status_width)
136: return (wl->window);
1.115 nicm 137: x -= wl->status_width + len;
1.73 nicm 138: }
1.125 nicm 139: return (NULL);
1.73 nicm 140: }
141:
1.1 nicm 142: /* Draw status for client on the last lines of given context. */
143: int
144: status_redraw(struct client *c)
145: {
1.48 nicm 146: struct screen_write_ctx ctx;
147: struct session *s = c->session;
148: struct winlink *wl;
149: struct screen old_status, window_list;
150: struct grid_cell stdgc, lgc, rgc, gc;
1.91 nicm 151: struct options *oo;
1.48 nicm 152: time_t t;
1.91 nicm 153: char *left, *right, *sep;
1.48 nicm 154: u_int offset, needed;
155: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
1.91 nicm 156: size_t llen, rlen, seplen;
1.48 nicm 157: int larrow, rarrow, utf8flag;
1.1 nicm 158:
1.49 nicm 159: /* No status line? */
1.7 nicm 160: if (c->tty.sy == 0 || !options_get_number(&s->options, "status"))
161: return (1);
1.48 nicm 162: left = right = NULL;
1.7 nicm 163: larrow = rarrow = 0;
1.1 nicm 164:
1.48 nicm 165: /* Update status timer. */
1.1 nicm 166: if (gettimeofday(&c->status_timer, NULL) != 0)
1.34 nicm 167: fatal("gettimeofday failed");
1.48 nicm 168: t = c->status_timer.tv_sec;
169:
170: /* Set up default colour. */
1.108 nicm 171: style_apply(&stdgc, &s->options, "status-style");
1.1 nicm 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)
1.118 nicm 200: needed += llen;
1.1 nicm 201: if (rlen != 0)
1.118 nicm 202: needed += rlen;
1.48 nicm 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) {
1.94 nicm 210: free(wl->status_text);
1.48 nicm 211: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
212: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.55 nicm 213: wl->status_width =
1.48 nicm 214: screen_write_cstrlen(utf8flag, "%s", wl->status_text);
215:
1.1 nicm 216: if (wl == s->curw)
1.48 nicm 217: wloffset = wlwidth;
1.91 nicm 218:
219: oo = &wl->window->options;
220: sep = options_get_string(oo, "window-status-separator");
221: seplen = screen_write_strlen(utf8flag, "%s", sep);
222: wlwidth += wl->status_width + seplen;
1.48 nicm 223: }
224:
225: /* Create a new screen for the window list. */
226: screen_init(&window_list, wlwidth, 1, 0);
227:
228: /* And draw the window list into it. */
229: screen_write_start(&ctx, NULL, &window_list);
230: RB_FOREACH(wl, winlinks, &s->windows) {
1.55 nicm 231: screen_write_cnputs(&ctx,
1.48 nicm 232: -1, &wl->status_cell, utf8flag, "%s", wl->status_text);
1.91 nicm 233:
234: oo = &wl->window->options;
235: sep = options_get_string(oo, "window-status-separator");
236: screen_write_nputs(&ctx, -1, &stdgc, utf8flag, "%s", sep);
1.1 nicm 237: }
1.48 nicm 238: screen_write_stop(&ctx);
1.1 nicm 239:
1.48 nicm 240: /* If there is enough space for the total width, skip to draw now. */
241: if (wlwidth <= wlavailable)
1.1 nicm 242: goto draw;
243:
244: /* Find size of current window text. */
1.48 nicm 245: wlsize = s->curw->status_width;
1.1 nicm 246:
247: /*
1.48 nicm 248: * If the current window is already on screen, good to draw from the
1.1 nicm 249: * start and just leave off the end.
250: */
1.48 nicm 251: if (wloffset + wlsize < wlavailable) {
252: if (wlavailable > 0) {
253: rarrow = 1;
254: wlavailable--;
255: }
256: wlwidth = wlavailable;
257: } else {
258: /*
259: * Work out how many characters we need to omit from the
260: * start. There are wlavailable characters to fill, and
261: * wloffset + wlsize must be the last. So, the start character
262: * is wloffset + wlsize - wlavailable.
263: */
264: if (wlavailable > 0) {
265: larrow = 1;
266: wlavailable--;
267: }
1.55 nicm 268:
1.48 nicm 269: wlstart = wloffset + wlsize - wlavailable;
270: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 271: rarrow = 1;
1.48 nicm 272: wlstart++;
273: wlavailable--;
1.1 nicm 274: }
1.48 nicm 275: wlwidth = wlavailable;
276: }
1.1 nicm 277:
1.48 nicm 278: /* Bail if anything is now too small too. */
279: if (wlwidth == 0 || wlavailable == 0) {
280: screen_free(&window_list);
281: goto out;
1.1 nicm 282: }
283:
284: /*
1.48 nicm 285: * Now the start position is known, work out the state of the left and
286: * right arrows.
1.1 nicm 287: */
288: offset = 0;
289: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 290: if (wl->flags & WINLINK_ALERTFLAGS &&
291: larrow == 1 && offset < wlstart)
292: larrow = -1;
1.1 nicm 293:
1.48 nicm 294: offset += wl->status_width;
1.1 nicm 295:
1.63 nicm 296: if (wl->flags & WINLINK_ALERTFLAGS &&
297: rarrow == 1 && offset > wlstart + wlwidth)
298: rarrow = -1;
1.1 nicm 299: }
300:
1.48 nicm 301: draw:
1.55 nicm 302: /* Begin drawing. */
1.48 nicm 303: screen_write_start(&ctx, NULL, &c->status);
1.1 nicm 304:
1.48 nicm 305: /* Draw the left string and arrow. */
306: screen_write_cursormove(&ctx, 0, 0);
1.118 nicm 307: if (llen != 0)
1.48 nicm 308: screen_write_cnputs(&ctx, llen, &lgc, utf8flag, "%s", left);
1.1 nicm 309: if (larrow != 0) {
310: memcpy(&gc, &stdgc, sizeof gc);
311: if (larrow == -1)
312: gc.attr ^= GRID_ATTR_REVERSE;
313: screen_write_putc(&ctx, &gc, '<');
314: }
1.48 nicm 315:
316: /* Draw the right string and arrow. */
1.1 nicm 317: if (rarrow != 0) {
1.118 nicm 318: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
1.1 nicm 319: memcpy(&gc, &stdgc, sizeof gc);
320: if (rarrow == -1)
321: gc.attr ^= GRID_ATTR_REVERSE;
322: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 323: } else
1.118 nicm 324: screen_write_cursormove(&ctx, c->tty.sx - rlen, 0);
325: if (rlen != 0)
1.48 nicm 326: screen_write_cnputs(&ctx, rlen, &rgc, utf8flag, "%s", right);
1.1 nicm 327:
1.48 nicm 328: /* Figure out the offset for the window list. */
1.58 nicm 329: if (llen != 0)
1.118 nicm 330: wloffset = llen;
1.58 nicm 331: else
332: wloffset = 0;
1.48 nicm 333: if (wlwidth < wlavailable) {
334: switch (options_get_number(&s->options, "status-justify")) {
1.119 sthen 335: case 1: /* centred */
1.58 nicm 336: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 337: break;
338: case 2: /* right */
1.58 nicm 339: wloffset += (wlavailable - wlwidth);
1.48 nicm 340: break;
341: }
342: }
343: if (larrow != 0)
344: wloffset++;
345:
346: /* Copy the window list. */
1.88 nicm 347: c->wlmouse = -wloffset + wlstart;
1.48 nicm 348: screen_write_cursormove(&ctx, wloffset, 0);
349: screen_write_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 350: screen_free(&window_list);
1.1 nicm 351:
1.48 nicm 352: screen_write_stop(&ctx);
1.1 nicm 353:
354: out:
1.94 nicm 355: free(left);
356: free(right);
1.1 nicm 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
1.104 nicm 368: status_replace1(struct client *c, char **iptr, char **optr, char *out,
1.123 nicm 369: size_t outsize)
1.72 nicm 370: {
1.104 nicm 371: char ch, tmp[256], *ptr, *endptr;
1.72 nicm 372: size_t ptrlen;
373: long limit;
1.46 nicm 374:
375: errno = 0;
376: limit = strtol(*iptr, &endptr, 10);
377: if ((limit == 0 && errno != EINVAL) ||
378: (limit == LONG_MIN && errno != ERANGE) ||
1.55 nicm 379: (limit == LONG_MAX && errno != ERANGE) ||
1.46 nicm 380: limit != 0)
381: *iptr = endptr;
382: if (limit <= 0)
383: limit = LONG_MAX;
384:
385: switch (*(*iptr)++) {
386: case '(':
1.71 nicm 387: if ((ptr = status_find_job(c, iptr)) == NULL)
1.46 nicm 388: return;
389: goto do_replace;
390: case '[':
1.55 nicm 391: /*
1.46 nicm 392: * Embedded style, handled at display time. Leave present and
393: * skip input until ].
394: */
395: ch = ']';
396: goto skip_to;
1.96 nicm 397: case '{':
398: ptr = (char *) "#{";
399: goto do_replace;
1.104 nicm 400: default:
401: xsnprintf(tmp, sizeof tmp, "#%c", *(*iptr - 1));
402: ptr = tmp;
403: goto do_replace;
1.46 nicm 404: }
405:
406: return;
1.55 nicm 407:
1.46 nicm 408: do_replace:
409: ptrlen = strlen(ptr);
410: if ((size_t) limit < ptrlen)
411: ptrlen = limit;
412:
413: if (*optr + ptrlen >= out + outsize - 1)
1.104 nicm 414: return;
1.46 nicm 415: while (ptrlen > 0 && *ptr != '\0') {
416: *(*optr)++ = *ptr++;
417: ptrlen--;
418: }
419:
420: return;
421:
422: skip_to:
423: *(*optr)++ = '#';
424:
425: (*iptr)--; /* include ch */
426: while (**iptr != ch && **iptr != '\0') {
427: if (*optr >= out + outsize - 1)
428: break;
429: *(*optr)++ = *(*iptr)++;
430: }
431: }
432:
433: /* Replace special sequences in fmt. */
434: char *
1.123 nicm 435: status_replace(struct client *c, struct winlink *wl, const char *fmt, time_t t)
1.46 nicm 436: {
1.96 nicm 437: static char out[BUFSIZ];
1.98 nicm 438: char in[BUFSIZ], ch, *iptr, *optr, *expanded;
1.96 nicm 439: size_t len;
440: struct format_tree *ft;
1.47 nicm 441:
1.93 nicm 442: if (fmt == NULL)
443: return (xstrdup(""));
444:
1.86 nicm 445: len = strftime(in, sizeof in, fmt, localtime(&t));
446: in[len] = '\0';
1.1 nicm 447:
448: iptr = in;
449: optr = out;
450:
451: while (*iptr != '\0') {
452: if (optr >= out + (sizeof out) - 1)
453: break;
1.46 nicm 454: ch = *iptr++;
455:
1.70 nicm 456: if (ch != '#' || *iptr == '\0') {
1.1 nicm 457: *optr++ = ch;
1.46 nicm 458: continue;
1.1 nicm 459: }
1.123 nicm 460: status_replace1(c, &iptr, &optr, out, sizeof out);
1.1 nicm 461: }
462: *optr = '\0';
463:
1.96 nicm 464: ft = format_create();
1.123 nicm 465: format_defaults(ft, c, NULL, wl, NULL);
1.99 nicm 466: expanded = format_expand(ft, out);
467: format_free(ft);
468: return (expanded);
1.1 nicm 469: }
470:
1.46 nicm 471: /* Figure out job name and get its result, starting it off if necessary. */
1.1 nicm 472: char *
1.71 nicm 473: status_find_job(struct client *c, char **iptr)
1.1 nicm 474: {
1.71 nicm 475: struct status_out *so, so_find;
476: char *cmd;
477: int lastesc;
478: size_t len;
1.1 nicm 479:
480: if (**iptr == '\0')
481: return (NULL);
482: if (**iptr == ')') { /* no command given */
483: (*iptr)++;
484: return (NULL);
485: }
486:
487: cmd = xmalloc(strlen(*iptr) + 1);
488: len = 0;
489:
490: lastesc = 0;
491: for (; **iptr != '\0'; (*iptr)++) {
492: if (!lastesc && **iptr == ')')
493: break; /* unescaped ) is the end */
494: if (!lastesc && **iptr == '\\') {
495: lastesc = 1;
496: continue; /* skip \ if not escaped */
497: }
498: lastesc = 0;
499: cmd[len++] = **iptr;
500: }
1.38 nicm 501: if (**iptr == '\0') /* no terminating ) */ {
1.94 nicm 502: free(cmd);
1.38 nicm 503: return (NULL);
504: }
1.1 nicm 505: (*iptr)++; /* skip final ) */
506: cmd[len] = '\0';
507:
1.71 nicm 508: /* First try in the new tree. */
509: so_find.cmd = cmd;
510: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
1.78 nicm 511: if (so != NULL && so->out != NULL) {
1.94 nicm 512: free(cmd);
1.71 nicm 513: return (so->out);
1.78 nicm 514: }
1.71 nicm 515:
516: /* If not found at all, start the job and add to the tree. */
517: if (so == NULL) {
1.126 nicm 518: job_run(cmd, NULL, -1, status_job_callback, status_job_free, c);
1.71 nicm 519: c->references++;
520:
521: so = xmalloc(sizeof *so);
522: so->cmd = xstrdup(cmd);
523: so->out = NULL;
524: RB_INSERT(status_out_tree, &c->status_new, so);
525: }
526:
527: /* Lookup in the old tree. */
528: so_find.cmd = cmd;
529: so = RB_FIND(status_out_tree, &c->status_old, &so_find);
1.94 nicm 530: free(cmd);
1.71 nicm 531: if (so != NULL)
532: return (so->out);
533: return (NULL);
534: }
535:
536: /* Free job tree. */
537: void
538: status_free_jobs(struct status_out_tree *sotree)
539: {
540: struct status_out *so, *so_next;
541:
542: so_next = RB_MIN(status_out_tree, sotree);
543: while (so_next != NULL) {
544: so = so_next;
545: so_next = RB_NEXT(status_out_tree, sotree, so);
546:
547: RB_REMOVE(status_out_tree, sotree, so);
1.94 nicm 548: free(so->out);
549: free(so->cmd);
550: free(so);
1.38 nicm 551: }
1.71 nicm 552: }
553:
554: /* Update jobs on status interval. */
555: void
556: status_update_jobs(struct client *c)
557: {
558: /* Free the old tree. */
559: status_free_jobs(&c->status_old);
560:
561: /* Move the new to old. */
562: memcpy(&c->status_old, &c->status_new, sizeof c->status_old);
563: RB_INIT(&c->status_new);
564: }
565:
566: /* Free status job. */
567: void
568: status_job_free(void *data)
569: {
570: struct client *c = data;
571:
572: c->references--;
1.38 nicm 573: }
1.1 nicm 574:
1.46 nicm 575: /* Job has finished: save its result. */
1.38 nicm 576: void
577: status_job_callback(struct job *job)
578: {
1.71 nicm 579: struct client *c = job->data;
580: struct status_out *so, so_find;
581: char *line, *buf;
582: size_t len;
583:
584: if (c->flags & CLIENT_DEAD)
585: return;
586:
587: so_find.cmd = job->cmd;
588: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
589: if (so == NULL || so->out != NULL)
590: return;
1.38 nicm 591:
1.41 nicm 592: buf = NULL;
593: if ((line = evbuffer_readline(job->event->input)) == NULL) {
594: len = EVBUFFER_LENGTH(job->event->input);
595: buf = xmalloc(len + 1);
596: if (len != 0)
597: memcpy(buf, EVBUFFER_DATA(job->event->input), len);
598: buf[len] = '\0';
1.71 nicm 599: } else
1.102 nicm 600: buf = line;
1.1 nicm 601:
1.71 nicm 602: so->out = buf;
1.75 nicm 603: server_status_client(c);
1.1 nicm 604: }
605:
1.46 nicm 606: /* Return winlink status line entry and adjust gc as necessary. */
1.1 nicm 607: char *
1.120 nicm 608: status_print(struct client *c, struct winlink *wl, time_t t,
609: struct grid_cell *gc)
1.1 nicm 610: {
1.33 nicm 611: struct options *oo = &wl->window->options;
1.47 nicm 612: struct session *s = c->session;
613: const char *fmt;
614: char *text;
1.1 nicm 615:
1.108 nicm 616: style_apply_update(gc, oo, "window-status-style");
1.47 nicm 617: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 618: if (wl == s->curw) {
1.108 nicm 619: style_apply_update(gc, oo, "window-status-current-style");
1.47 nicm 620: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 621: }
1.108 nicm 622: if (wl == TAILQ_FIRST(&s->lastw))
623: style_apply_update(gc, oo, "window-status-last-style");
624:
625: if (wl->flags & WINLINK_BELL)
626: style_apply_update(gc, oo, "window-status-bell-style");
627: else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
628: style_apply_update(gc, oo, "window-status-activity-style");
1.1 nicm 629:
1.123 nicm 630: text = status_replace(c, wl, fmt, t);
1.1 nicm 631: return (text);
632: }
633:
1.46 nicm 634: /* Set a status line message. */
1.117 nicm 635: void
1.10 nicm 636: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 637: {
1.44 nicm 638: struct timeval tv;
1.127 ! nicm 639: struct message_entry *msg, *msg1;
1.44 nicm 640: va_list ap;
641: int delay;
1.127 ! nicm 642: u_int first, limit;
! 643:
! 644: limit = options_get_number(&global_options, "message-limit");
1.1 nicm 645:
1.12 nicm 646: status_prompt_clear(c);
647: status_message_clear(c);
648:
1.28 nicm 649: va_start(ap, fmt);
650: xvasprintf(&c->message_string, fmt, ap);
651: va_end(ap);
652:
1.127 ! nicm 653: msg = xcalloc(1, sizeof *msg);
1.44 nicm 654: msg->msg_time = time(NULL);
1.127 ! nicm 655: msg->msg_num = c->message_next++;
1.44 nicm 656: msg->msg = xstrdup(c->message_string);
1.127 ! nicm 657: TAILQ_INSERT_TAIL(&c->message_log, msg, entry);
1.44 nicm 658:
1.127 ! nicm 659: first = c->message_next - limit;
! 660: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
! 661: if (msg->msg_num >= first)
! 662: continue;
! 663: free(msg->msg);
! 664: TAILQ_REMOVE(&c->message_log, msg, entry);
! 665: free(msg);
1.44 nicm 666: }
667:
1.1 nicm 668: delay = options_get_number(&c->session->options, "display-time");
669: tv.tv_sec = delay / 1000;
670: tv.tv_usec = (delay % 1000) * 1000L;
1.44 nicm 671:
1.110 nicm 672: if (event_initialized(&c->message_timer))
1.90 nicm 673: evtimer_del(&c->message_timer);
1.42 nicm 674: evtimer_set(&c->message_timer, status_message_callback, c);
675: evtimer_add(&c->message_timer, &tv);
1.1 nicm 676:
677: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
678: c->flags |= CLIENT_STATUS;
679: }
680:
1.46 nicm 681: /* Clear status line message. */
1.1 nicm 682: void
683: status_message_clear(struct client *c)
684: {
685: if (c->message_string == NULL)
686: return;
687:
1.94 nicm 688: free(c->message_string);
1.1 nicm 689: c->message_string = NULL;
690:
691: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 692: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 693:
694: screen_reinit(&c->status);
1.42 nicm 695: }
696:
1.46 nicm 697: /* Clear status line message after timer expires. */
1.42 nicm 698: void
699: status_message_callback(unused int fd, unused short event, void *data)
700: {
701: struct client *c = data;
702:
703: status_message_clear(c);
1.1 nicm 704: }
705:
706: /* Draw client message on status line of present else on last line. */
707: int
708: status_message_redraw(struct client *c)
709: {
710: struct screen_write_ctx ctx;
711: struct session *s = c->session;
712: struct screen old_status;
713: size_t len;
714: struct grid_cell gc;
1.51 nicm 715: int utf8flag;
1.1 nicm 716:
717: if (c->tty.sx == 0 || c->tty.sy == 0)
718: return (0);
719: memcpy(&old_status, &c->status, sizeof old_status);
720: screen_init(&c->status, c->tty.sx, 1, 0);
721:
1.51 nicm 722: utf8flag = options_get_number(&s->options, "status-utf8");
723:
724: len = screen_write_strlen(utf8flag, "%s", c->message_string);
1.1 nicm 725: if (len > c->tty.sx)
726: len = c->tty.sx;
727:
1.108 nicm 728: style_apply(&gc, &s->options, "message-style");
1.1 nicm 729:
730: screen_write_start(&ctx, NULL, &c->status);
731:
732: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 733: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->message_string);
1.1 nicm 734: for (; len < c->tty.sx; len++)
735: screen_write_putc(&ctx, &gc, ' ');
736:
737: screen_write_stop(&ctx);
738:
739: if (grid_compare(c->status.grid, old_status.grid) == 0) {
740: screen_free(&old_status);
741: return (0);
742: }
743: screen_free(&old_status);
744: return (1);
745: }
746:
1.46 nicm 747: /* Enable status line prompt. */
1.1 nicm 748: void
1.76 nicm 749: status_prompt_set(struct client *c, const char *msg, const char *input,
1.12 nicm 750: int (*callbackfn)(void *, const char *), void (*freefn)(void *),
751: void *data, int flags)
1.1 nicm 752: {
1.122 nicm 753: struct format_tree *ft;
754: int keys;
755: time_t t;
756:
757: ft = format_create();
758: format_defaults(ft, c, NULL, NULL, NULL);
759: t = time(NULL);
1.20 nicm 760:
1.12 nicm 761: status_message_clear(c);
762: status_prompt_clear(c);
763:
1.124 nicm 764: c->prompt_string = format_expand_time(ft, msg, t);
1.1 nicm 765:
1.124 nicm 766: c->prompt_buffer = format_expand_time(ft, input, t);
1.76 nicm 767: c->prompt_index = strlen(c->prompt_buffer);
1.1 nicm 768:
1.12 nicm 769: c->prompt_callbackfn = callbackfn;
770: c->prompt_freefn = freefn;
1.1 nicm 771: c->prompt_data = data;
772:
773: c->prompt_hindex = 0;
774:
775: c->prompt_flags = flags;
776:
1.20 nicm 777: keys = options_get_number(&c->session->options, "status-keys");
778: if (keys == MODEKEY_EMACS)
1.21 nicm 779: mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
1.20 nicm 780: else
1.21 nicm 781: mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
1.1 nicm 782:
783: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
784: c->flags |= CLIENT_STATUS;
1.122 nicm 785:
786: format_free(ft);
1.1 nicm 787: }
788:
1.46 nicm 789: /* Remove status line prompt. */
1.1 nicm 790: void
791: status_prompt_clear(struct client *c)
792: {
1.55 nicm 793: if (c->prompt_string == NULL)
1.1 nicm 794: return;
795:
1.12 nicm 796: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
797: c->prompt_freefn(c->prompt_data);
1.1 nicm 798:
1.94 nicm 799: free(c->prompt_string);
1.1 nicm 800: c->prompt_string = NULL;
801:
1.94 nicm 802: free(c->prompt_buffer);
1.1 nicm 803: c->prompt_buffer = NULL;
804:
805: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 806: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 807:
808: screen_reinit(&c->status);
1.27 nicm 809: }
810:
1.46 nicm 811: /* Update status line prompt with a new prompt string. */
1.27 nicm 812: void
1.76 nicm 813: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 814: {
1.122 nicm 815: struct format_tree *ft;
816: time_t t;
817:
818: ft = format_create();
819: format_defaults(ft, c, NULL, NULL, NULL);
820: t = time(NULL);
821:
1.94 nicm 822: free(c->prompt_string);
1.124 nicm 823: c->prompt_string = format_expand_time(ft, msg, t);
1.27 nicm 824:
1.94 nicm 825: free(c->prompt_buffer);
1.124 nicm 826: c->prompt_buffer = format_expand_time(ft, input, t);
1.76 nicm 827: c->prompt_index = strlen(c->prompt_buffer);
1.27 nicm 828:
829: c->prompt_hindex = 0;
830:
831: c->flags |= CLIENT_STATUS;
1.122 nicm 832:
833: format_free(ft);
1.1 nicm 834: }
835:
836: /* Draw client prompt on status line of present else on last line. */
837: int
838: status_prompt_redraw(struct client *c)
839: {
1.51 nicm 840: struct screen_write_ctx ctx;
1.1 nicm 841: struct session *s = c->session;
842: struct screen old_status;
1.29 nicm 843: size_t i, size, left, len, off;
1.51 nicm 844: struct grid_cell gc, *gcp;
845: int utf8flag;
1.1 nicm 846:
847: if (c->tty.sx == 0 || c->tty.sy == 0)
848: return (0);
849: memcpy(&old_status, &c->status, sizeof old_status);
850: screen_init(&c->status, c->tty.sx, 1, 0);
851:
1.51 nicm 852: utf8flag = options_get_number(&s->options, "status-utf8");
853:
854: len = screen_write_strlen(utf8flag, "%s", c->prompt_string);
1.1 nicm 855: if (len > c->tty.sx)
856: len = c->tty.sx;
1.51 nicm 857: off = 0;
1.1 nicm 858:
1.79 nicm 859: /* Change colours for command mode. */
1.108 nicm 860: if (c->prompt_mdata.mode == 1)
861: style_apply(&gc, &s->options, "message-command-style");
862: else
863: style_apply(&gc, &s->options, "message-style");
1.1 nicm 864:
865: screen_write_start(&ctx, NULL, &c->status);
866:
867: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 868: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->prompt_string);
1.1 nicm 869:
870: left = c->tty.sx - len;
871: if (left != 0) {
1.51 nicm 872: size = screen_write_strlen(utf8flag, "%s", c->prompt_buffer);
873: if (c->prompt_index >= left) {
1.17 nicm 874: off = c->prompt_index - left + 1;
1.51 nicm 875: if (c->prompt_index == size)
1.1 nicm 876: left--;
877: size = left;
878: }
1.51 nicm 879: screen_write_nputs(
880: &ctx, left, &gc, utf8flag, "%s", c->prompt_buffer + off);
1.1 nicm 881:
1.55 nicm 882: for (i = len + size; i < c->tty.sx; i++)
883: screen_write_putc(&ctx, &gc, ' ');
1.1 nicm 884: }
885:
886: screen_write_stop(&ctx);
1.51 nicm 887:
888: /* Apply fake cursor. */
889: off = len + c->prompt_index - off;
890: gcp = grid_view_get_cell(c->status.grid, off, 0);
891: gcp->attr ^= GRID_ATTR_REVERSE;
1.1 nicm 892:
893: if (grid_compare(c->status.grid, old_status.grid) == 0) {
894: screen_free(&old_status);
895: return (0);
896: }
897: screen_free(&old_status);
898: return (1);
899: }
900:
901: /* Handle keys in prompt. */
902: void
903: status_prompt_key(struct client *c, int key)
904: {
1.81 nicm 905: struct session *sess = c->session;
906: struct options *oo = &sess->options;
1.1 nicm 907: struct paste_buffer *pb;
1.81 nicm 908: char *s, *first, *last, word[64], swapc;
909: const char *histstr;
1.83 nicm 910: const char *wsep = NULL;
1.53 nicm 911: u_char ch;
1.1 nicm 912: size_t size, n, off, idx;
913:
914: size = strlen(c->prompt_buffer);
1.101 nicm 915: switch (mode_key_lookup(&c->prompt_mdata, key, NULL)) {
1.20 nicm 916: case MODEKEYEDIT_CURSORLEFT:
1.1 nicm 917: if (c->prompt_index > 0) {
918: c->prompt_index--;
919: c->flags |= CLIENT_STATUS;
920: }
921: break;
1.79 nicm 922: case MODEKEYEDIT_SWITCHMODE:
923: c->flags |= CLIENT_STATUS;
924: break;
1.20 nicm 925: case MODEKEYEDIT_SWITCHMODEAPPEND:
1.79 nicm 926: c->flags |= CLIENT_STATUS;
927: /* FALLTHROUGH */
1.20 nicm 928: case MODEKEYEDIT_CURSORRIGHT:
1.1 nicm 929: if (c->prompt_index < size) {
930: c->prompt_index++;
931: c->flags |= CLIENT_STATUS;
932: }
933: break;
1.89 nicm 934: case MODEKEYEDIT_SWITCHMODEBEGINLINE:
935: c->flags |= CLIENT_STATUS;
936: /* FALLTHROUGH */
1.20 nicm 937: case MODEKEYEDIT_STARTOFLINE:
1.1 nicm 938: if (c->prompt_index != 0) {
939: c->prompt_index = 0;
940: c->flags |= CLIENT_STATUS;
941: }
942: break;
1.89 nicm 943: case MODEKEYEDIT_SWITCHMODEAPPENDLINE:
944: c->flags |= CLIENT_STATUS;
945: /* FALLTHROUGH */
1.20 nicm 946: case MODEKEYEDIT_ENDOFLINE:
1.1 nicm 947: if (c->prompt_index != size) {
948: c->prompt_index = size;
949: c->flags |= CLIENT_STATUS;
950: }
951: break;
1.20 nicm 952: case MODEKEYEDIT_COMPLETE:
1.1 nicm 953: if (*c->prompt_buffer == '\0')
954: break;
955:
956: idx = c->prompt_index;
957: if (idx != 0)
958: idx--;
959:
960: /* Find the word we are in. */
961: first = c->prompt_buffer + idx;
962: while (first > c->prompt_buffer && *first != ' ')
963: first--;
964: while (*first == ' ')
965: first++;
966: last = c->prompt_buffer + idx;
967: while (*last != '\0' && *last != ' ')
968: last++;
969: while (*last == ' ')
970: last--;
971: if (*last != '\0')
972: last++;
973: if (last <= first ||
974: ((size_t) (last - first)) > (sizeof word) - 1)
975: break;
976: memcpy(word, first, last - first);
977: word[last - first] = '\0';
978:
979: /* And try to complete it. */
980: if ((s = status_prompt_complete(word)) == NULL)
981: break;
982:
983: /* Trim out word. */
984: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
985: memmove(first, last, n);
986: size -= last - first;
987:
988: /* Insert the new word. */
1.55 nicm 989: size += strlen(s);
1.1 nicm 990: off = first - c->prompt_buffer;
1.116 nicm 991: c->prompt_buffer = xrealloc(c->prompt_buffer, size + 1);
1.1 nicm 992: first = c->prompt_buffer + off;
1.55 nicm 993: memmove(first + strlen(s), first, n);
994: memcpy(first, s, strlen(s));
1.1 nicm 995:
996: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 997: free(s);
1.1 nicm 998:
999: c->flags |= CLIENT_STATUS;
1000: break;
1.20 nicm 1001: case MODEKEYEDIT_BACKSPACE:
1.1 nicm 1002: if (c->prompt_index != 0) {
1003: if (c->prompt_index == size)
1004: c->prompt_buffer[--c->prompt_index] = '\0';
1005: else {
1006: memmove(c->prompt_buffer + c->prompt_index - 1,
1007: c->prompt_buffer + c->prompt_index,
1008: size + 1 - c->prompt_index);
1009: c->prompt_index--;
1010: }
1011: c->flags |= CLIENT_STATUS;
1012: }
1013: break;
1.55 nicm 1014: case MODEKEYEDIT_DELETE:
1.105 nicm 1015: case MODEKEYEDIT_SWITCHMODESUBSTITUTE:
1.1 nicm 1016: if (c->prompt_index != size) {
1017: memmove(c->prompt_buffer + c->prompt_index,
1018: c->prompt_buffer + c->prompt_index + 1,
1019: size + 1 - c->prompt_index);
1.18 nicm 1020: c->flags |= CLIENT_STATUS;
1021: }
1.26 nicm 1022: break;
1023: case MODEKEYEDIT_DELETELINE:
1.105 nicm 1024: case MODEKEYEDIT_SWITCHMODESUBSTITUTELINE:
1.26 nicm 1025: *c->prompt_buffer = '\0';
1026: c->prompt_index = 0;
1027: c->flags |= CLIENT_STATUS;
1.18 nicm 1028: break;
1.20 nicm 1029: case MODEKEYEDIT_DELETETOENDOFLINE:
1.105 nicm 1030: case MODEKEYEDIT_SWITCHMODECHANGELINE:
1.18 nicm 1031: if (c->prompt_index < size) {
1032: c->prompt_buffer[c->prompt_index] = '\0';
1.1 nicm 1033: c->flags |= CLIENT_STATUS;
1034: }
1035: break;
1.81 nicm 1036: case MODEKEYEDIT_DELETEWORD:
1037: wsep = options_get_string(oo, "word-separators");
1038: idx = c->prompt_index;
1039:
1040: /* Find a non-separator. */
1041: while (idx != 0) {
1042: idx--;
1043: if (!strchr(wsep, c->prompt_buffer[idx]))
1044: break;
1045: }
1046:
1047: /* Find the separator at the beginning of the word. */
1048: while (idx != 0) {
1049: idx--;
1050: if (strchr(wsep, c->prompt_buffer[idx])) {
1051: /* Go back to the word. */
1052: idx++;
1053: break;
1054: }
1055: }
1056:
1057: memmove(c->prompt_buffer + idx,
1058: c->prompt_buffer + c->prompt_index,
1059: size + 1 - c->prompt_index);
1060: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1061: '\0', c->prompt_index - idx);
1062: c->prompt_index = idx;
1063: c->flags |= CLIENT_STATUS;
1064: break;
1.83 nicm 1065: case MODEKEYEDIT_NEXTSPACE:
1066: wsep = " ";
1067: /* FALLTHROUGH */
1.81 nicm 1068: case MODEKEYEDIT_NEXTWORD:
1.83 nicm 1069: if (wsep == NULL)
1070: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1071:
1072: /* Find a separator. */
1073: while (c->prompt_index != size) {
1074: c->prompt_index++;
1075: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1076: break;
1077: }
1078:
1079: /* Find the word right after the separation. */
1080: while (c->prompt_index != size) {
1081: c->prompt_index++;
1082: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1083: break;
1084: }
1085:
1086: c->flags |= CLIENT_STATUS;
1087: break;
1.83 nicm 1088: case MODEKEYEDIT_NEXTSPACEEND:
1089: wsep = " ";
1090: /* FALLTHROUGH */
1.81 nicm 1091: case MODEKEYEDIT_NEXTWORDEND:
1.83 nicm 1092: if (wsep == NULL)
1093: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1094:
1095: /* Find a word. */
1096: while (c->prompt_index != size) {
1097: c->prompt_index++;
1098: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1099: break;
1100: }
1101:
1102: /* Find the separator at the end of the word. */
1103: while (c->prompt_index != size) {
1104: c->prompt_index++;
1.82 nicm 1105: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1.81 nicm 1106: break;
1107: }
1.106 nicm 1108:
1109: /* Back up to the end-of-word like vi. */
1110: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1111: c->prompt_index != 0)
1112: c->prompt_index--;
1.81 nicm 1113:
1114: c->flags |= CLIENT_STATUS;
1115: break;
1.83 nicm 1116: case MODEKEYEDIT_PREVIOUSSPACE:
1117: wsep = " ";
1118: /* FALLTHROUGH */
1.81 nicm 1119: case MODEKEYEDIT_PREVIOUSWORD:
1.83 nicm 1120: if (wsep == NULL)
1121: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1122:
1123: /* Find a non-separator. */
1124: while (c->prompt_index != 0) {
1125: c->prompt_index--;
1126: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1127: break;
1128: }
1129:
1130: /* Find the separator at the beginning of the word. */
1131: while (c->prompt_index != 0) {
1132: c->prompt_index--;
1133: if (strchr(wsep, c->prompt_buffer[c->prompt_index])) {
1134: /* Go back to the word. */
1135: c->prompt_index++;
1136: break;
1137: }
1138: }
1139:
1140: c->flags |= CLIENT_STATUS;
1141: break;
1.20 nicm 1142: case MODEKEYEDIT_HISTORYUP:
1.66 nicm 1143: histstr = status_prompt_up_history(&c->prompt_hindex);
1144: if (histstr == NULL)
1.1 nicm 1145: break;
1.94 nicm 1146: free(c->prompt_buffer);
1.66 nicm 1147: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1148: c->prompt_index = strlen(c->prompt_buffer);
1149: c->flags |= CLIENT_STATUS;
1150: break;
1.20 nicm 1151: case MODEKEYEDIT_HISTORYDOWN:
1.66 nicm 1152: histstr = status_prompt_down_history(&c->prompt_hindex);
1153: if (histstr == NULL)
1.65 nicm 1154: break;
1.94 nicm 1155: free(c->prompt_buffer);
1.66 nicm 1156: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1157: c->prompt_index = strlen(c->prompt_buffer);
1158: c->flags |= CLIENT_STATUS;
1159: break;
1.20 nicm 1160: case MODEKEYEDIT_PASTE:
1.114 nicm 1161: if ((pb = paste_get_top()) == NULL)
1.1 nicm 1162: break;
1.32 nicm 1163: for (n = 0; n < pb->size; n++) {
1.53 nicm 1164: ch = (u_char) pb->data[n];
1165: if (ch < 32 || ch == 127)
1.32 nicm 1166: break;
1167: }
1.1 nicm 1168:
1.116 nicm 1169: c->prompt_buffer = xrealloc(c->prompt_buffer, size + n + 1);
1.1 nicm 1170: if (c->prompt_index == size) {
1171: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1172: c->prompt_index += n;
1173: c->prompt_buffer[c->prompt_index] = '\0';
1174: } else {
1175: memmove(c->prompt_buffer + c->prompt_index + n,
1176: c->prompt_buffer + c->prompt_index,
1177: size + 1 - c->prompt_index);
1178: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1179: c->prompt_index += n;
1180: }
1181:
1182: c->flags |= CLIENT_STATUS;
1.30 nicm 1183: break;
1184: case MODEKEYEDIT_TRANSPOSECHARS:
1185: idx = c->prompt_index;
1186: if (idx < size)
1187: idx++;
1188: if (idx >= 2) {
1189: swapc = c->prompt_buffer[idx - 2];
1190: c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
1191: c->prompt_buffer[idx - 1] = swapc;
1192: c->prompt_index = idx;
1193: c->flags |= CLIENT_STATUS;
1194: }
1.1 nicm 1195: break;
1.55 nicm 1196: case MODEKEYEDIT_ENTER:
1.25 nicm 1197: if (*c->prompt_buffer != '\0')
1.65 nicm 1198: status_prompt_add_history(c->prompt_buffer);
1.25 nicm 1199: if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
1200: status_prompt_clear(c);
1201: break;
1.20 nicm 1202: case MODEKEYEDIT_CANCEL:
1.12 nicm 1203: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1204: status_prompt_clear(c);
1205: break;
1.20 nicm 1206: case MODEKEY_OTHER:
1.61 nicm 1207: if ((key & 0xff00) != 0 || key < 32 || key == 127)
1.1 nicm 1208: break;
1.116 nicm 1209: c->prompt_buffer = xrealloc(c->prompt_buffer, size + 2);
1.1 nicm 1210:
1211: if (c->prompt_index == size) {
1212: c->prompt_buffer[c->prompt_index++] = key;
1213: c->prompt_buffer[c->prompt_index] = '\0';
1214: } else {
1215: memmove(c->prompt_buffer + c->prompt_index + 1,
1216: c->prompt_buffer + c->prompt_index,
1217: size + 1 - c->prompt_index);
1218: c->prompt_buffer[c->prompt_index++] = key;
1219: }
1220:
1221: if (c->prompt_flags & PROMPT_SINGLE) {
1.12 nicm 1222: if (c->prompt_callbackfn(
1.1 nicm 1223: c->prompt_data, c->prompt_buffer) == 0)
1224: status_prompt_clear(c);
1225: }
1226:
1227: c->flags |= CLIENT_STATUS;
1228: break;
1229: default:
1230: break;
1231: }
1232: }
1233:
1.65 nicm 1234: /* Get previous line from the history. */
1235: const char *
1236: status_prompt_up_history(u_int *idx)
1237: {
1238: u_int size;
1239:
1240: /*
1241: * History runs from 0 to size - 1.
1242: *
1243: * Index is from 0 to size. Zero is empty.
1244: */
1245:
1246: size = ARRAY_LENGTH(&status_prompt_history);
1247: if (size == 0 || *idx == size)
1248: return (NULL);
1249: (*idx)++;
1250: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1251: }
1252:
1253: /* Get next line from the history. */
1254: const char *
1255: status_prompt_down_history(u_int *idx)
1256: {
1257: u_int size;
1258:
1259: size = ARRAY_LENGTH(&status_prompt_history);
1260: if (size == 0 || *idx == 0)
1261: return ("");
1262: (*idx)--;
1263: if (*idx == 0)
1264: return ("");
1265: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1266: }
1267:
1.1 nicm 1268: /* Add line to the history. */
1269: void
1.65 nicm 1270: status_prompt_add_history(const char *line)
1.1 nicm 1271: {
1.65 nicm 1272: u_int size;
1273:
1274: size = ARRAY_LENGTH(&status_prompt_history);
1275: if (size > 0 && strcmp(ARRAY_LAST(&status_prompt_history), line) == 0)
1.1 nicm 1276: return;
1277:
1.65 nicm 1278: if (size == PROMPT_HISTORY) {
1.94 nicm 1279: free(ARRAY_FIRST(&status_prompt_history));
1.65 nicm 1280: ARRAY_REMOVE(&status_prompt_history, 0);
1.1 nicm 1281: }
1282:
1.65 nicm 1283: ARRAY_ADD(&status_prompt_history, xstrdup(line));
1.1 nicm 1284: }
1285:
1286: /* Complete word. */
1287: char *
1288: status_prompt_complete(const char *s)
1289: {
1.69 nicm 1290: const struct cmd_entry **cmdent;
1291: const struct options_table_entry *oe;
1292: ARRAY_DECL(, const char *) list;
1293: char *prefix, *s2;
1294: u_int i;
1295: size_t j;
1.1 nicm 1296:
1297: if (*s == '\0')
1298: return (NULL);
1299:
1300: /* First, build a list of all the possible matches. */
1301: ARRAY_INIT(&list);
1302: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1303: if (strncmp((*cmdent)->name, s, strlen(s)) == 0)
1304: ARRAY_ADD(&list, (*cmdent)->name);
1.56 nicm 1305: }
1.69 nicm 1306: for (oe = server_options_table; oe->name != NULL; oe++) {
1307: if (strncmp(oe->name, s, strlen(s)) == 0)
1308: ARRAY_ADD(&list, oe->name);
1309: }
1310: for (oe = session_options_table; oe->name != NULL; oe++) {
1311: if (strncmp(oe->name, s, strlen(s)) == 0)
1312: ARRAY_ADD(&list, oe->name);
1313: }
1314: for (oe = window_options_table; oe->name != NULL; oe++) {
1315: if (strncmp(oe->name, s, strlen(s)) == 0)
1316: ARRAY_ADD(&list, oe->name);
1.1 nicm 1317: }
1318:
1319: /* If none, bail now. */
1320: if (ARRAY_LENGTH(&list) == 0) {
1321: ARRAY_FREE(&list);
1322: return (NULL);
1323: }
1324:
1325: /* If an exact match, return it, with a trailing space. */
1326: if (ARRAY_LENGTH(&list) == 1) {
1327: xasprintf(&s2, "%s ", ARRAY_FIRST(&list));
1328: ARRAY_FREE(&list);
1329: return (s2);
1330: }
1331:
1332: /* Now loop through the list and find the longest common prefix. */
1333: prefix = xstrdup(ARRAY_FIRST(&list));
1334: for (i = 1; i < ARRAY_LENGTH(&list); i++) {
1335: s = ARRAY_ITEM(&list, i);
1336:
1337: j = strlen(s);
1338: if (j > strlen(prefix))
1339: j = strlen(prefix);
1340: for (; j > 0; j--) {
1341: if (prefix[j - 1] != s[j - 1])
1342: prefix[j - 1] = '\0';
1343: }
1344: }
1345:
1346: ARRAY_FREE(&list);
1347: return (prefix);
1348: }
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