Annotation of src/usr.bin/tmux/status.c, Revision 1.126
1.126 ! nicm 1: /* $OpenBSD: status.c,v 1.125 2015/04/19 21:34:21 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;
639: struct message_entry *msg;
640: va_list ap;
641: int delay;
642: u_int i, limit;
1.1 nicm 643:
1.12 nicm 644: status_prompt_clear(c);
645: status_message_clear(c);
646:
1.28 nicm 647: va_start(ap, fmt);
648: xvasprintf(&c->message_string, fmt, ap);
649: va_end(ap);
650:
1.44 nicm 651: ARRAY_EXPAND(&c->message_log, 1);
652: msg = &ARRAY_LAST(&c->message_log);
653: msg->msg_time = time(NULL);
654: msg->msg = xstrdup(c->message_string);
655:
1.111 nicm 656: limit = options_get_number(&global_options, "message-limit");
1.50 nicm 657: if (ARRAY_LENGTH(&c->message_log) > limit) {
658: limit = ARRAY_LENGTH(&c->message_log) - limit;
659: for (i = 0; i < limit; i++) {
660: msg = &ARRAY_FIRST(&c->message_log);
1.94 nicm 661: free(msg->msg);
1.50 nicm 662: ARRAY_REMOVE(&c->message_log, 0);
663: }
1.44 nicm 664: }
665:
1.1 nicm 666: delay = options_get_number(&c->session->options, "display-time");
667: tv.tv_sec = delay / 1000;
668: tv.tv_usec = (delay % 1000) * 1000L;
1.44 nicm 669:
1.110 nicm 670: if (event_initialized(&c->message_timer))
1.90 nicm 671: evtimer_del(&c->message_timer);
1.42 nicm 672: evtimer_set(&c->message_timer, status_message_callback, c);
673: evtimer_add(&c->message_timer, &tv);
1.1 nicm 674:
675: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
676: c->flags |= CLIENT_STATUS;
677: }
678:
1.46 nicm 679: /* Clear status line message. */
1.1 nicm 680: void
681: status_message_clear(struct client *c)
682: {
683: if (c->message_string == NULL)
684: return;
685:
1.94 nicm 686: free(c->message_string);
1.1 nicm 687: c->message_string = NULL;
688:
689: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 690: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 691:
692: screen_reinit(&c->status);
1.42 nicm 693: }
694:
1.46 nicm 695: /* Clear status line message after timer expires. */
1.42 nicm 696: void
697: status_message_callback(unused int fd, unused short event, void *data)
698: {
699: struct client *c = data;
700:
701: status_message_clear(c);
1.1 nicm 702: }
703:
704: /* Draw client message on status line of present else on last line. */
705: int
706: status_message_redraw(struct client *c)
707: {
708: struct screen_write_ctx ctx;
709: struct session *s = c->session;
710: struct screen old_status;
711: size_t len;
712: struct grid_cell gc;
1.51 nicm 713: int utf8flag;
1.1 nicm 714:
715: if (c->tty.sx == 0 || c->tty.sy == 0)
716: return (0);
717: memcpy(&old_status, &c->status, sizeof old_status);
718: screen_init(&c->status, c->tty.sx, 1, 0);
719:
1.51 nicm 720: utf8flag = options_get_number(&s->options, "status-utf8");
721:
722: len = screen_write_strlen(utf8flag, "%s", c->message_string);
1.1 nicm 723: if (len > c->tty.sx)
724: len = c->tty.sx;
725:
1.108 nicm 726: style_apply(&gc, &s->options, "message-style");
1.1 nicm 727:
728: screen_write_start(&ctx, NULL, &c->status);
729:
730: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 731: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->message_string);
1.1 nicm 732: for (; len < c->tty.sx; len++)
733: screen_write_putc(&ctx, &gc, ' ');
734:
735: screen_write_stop(&ctx);
736:
737: if (grid_compare(c->status.grid, old_status.grid) == 0) {
738: screen_free(&old_status);
739: return (0);
740: }
741: screen_free(&old_status);
742: return (1);
743: }
744:
1.46 nicm 745: /* Enable status line prompt. */
1.1 nicm 746: void
1.76 nicm 747: status_prompt_set(struct client *c, const char *msg, const char *input,
1.12 nicm 748: int (*callbackfn)(void *, const char *), void (*freefn)(void *),
749: void *data, int flags)
1.1 nicm 750: {
1.122 nicm 751: struct format_tree *ft;
752: int keys;
753: time_t t;
754:
755: ft = format_create();
756: format_defaults(ft, c, NULL, NULL, NULL);
757: t = time(NULL);
1.20 nicm 758:
1.12 nicm 759: status_message_clear(c);
760: status_prompt_clear(c);
761:
1.124 nicm 762: c->prompt_string = format_expand_time(ft, msg, t);
1.1 nicm 763:
1.124 nicm 764: c->prompt_buffer = format_expand_time(ft, input, t);
1.76 nicm 765: c->prompt_index = strlen(c->prompt_buffer);
1.1 nicm 766:
1.12 nicm 767: c->prompt_callbackfn = callbackfn;
768: c->prompt_freefn = freefn;
1.1 nicm 769: c->prompt_data = data;
770:
771: c->prompt_hindex = 0;
772:
773: c->prompt_flags = flags;
774:
1.20 nicm 775: keys = options_get_number(&c->session->options, "status-keys");
776: if (keys == MODEKEY_EMACS)
1.21 nicm 777: mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
1.20 nicm 778: else
1.21 nicm 779: mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
1.1 nicm 780:
781: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
782: c->flags |= CLIENT_STATUS;
1.122 nicm 783:
784: format_free(ft);
1.1 nicm 785: }
786:
1.46 nicm 787: /* Remove status line prompt. */
1.1 nicm 788: void
789: status_prompt_clear(struct client *c)
790: {
1.55 nicm 791: if (c->prompt_string == NULL)
1.1 nicm 792: return;
793:
1.12 nicm 794: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
795: c->prompt_freefn(c->prompt_data);
1.1 nicm 796:
1.94 nicm 797: free(c->prompt_string);
1.1 nicm 798: c->prompt_string = NULL;
799:
1.94 nicm 800: free(c->prompt_buffer);
1.1 nicm 801: c->prompt_buffer = NULL;
802:
803: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 804: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 805:
806: screen_reinit(&c->status);
1.27 nicm 807: }
808:
1.46 nicm 809: /* Update status line prompt with a new prompt string. */
1.27 nicm 810: void
1.76 nicm 811: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 812: {
1.122 nicm 813: struct format_tree *ft;
814: time_t t;
815:
816: ft = format_create();
817: format_defaults(ft, c, NULL, NULL, NULL);
818: t = time(NULL);
819:
1.94 nicm 820: free(c->prompt_string);
1.124 nicm 821: c->prompt_string = format_expand_time(ft, msg, t);
1.27 nicm 822:
1.94 nicm 823: free(c->prompt_buffer);
1.124 nicm 824: c->prompt_buffer = format_expand_time(ft, input, t);
1.76 nicm 825: c->prompt_index = strlen(c->prompt_buffer);
1.27 nicm 826:
827: c->prompt_hindex = 0;
828:
829: c->flags |= CLIENT_STATUS;
1.122 nicm 830:
831: format_free(ft);
1.1 nicm 832: }
833:
834: /* Draw client prompt on status line of present else on last line. */
835: int
836: status_prompt_redraw(struct client *c)
837: {
1.51 nicm 838: struct screen_write_ctx ctx;
1.1 nicm 839: struct session *s = c->session;
840: struct screen old_status;
1.29 nicm 841: size_t i, size, left, len, off;
1.51 nicm 842: struct grid_cell gc, *gcp;
843: int utf8flag;
1.1 nicm 844:
845: if (c->tty.sx == 0 || c->tty.sy == 0)
846: return (0);
847: memcpy(&old_status, &c->status, sizeof old_status);
848: screen_init(&c->status, c->tty.sx, 1, 0);
849:
1.51 nicm 850: utf8flag = options_get_number(&s->options, "status-utf8");
851:
852: len = screen_write_strlen(utf8flag, "%s", c->prompt_string);
1.1 nicm 853: if (len > c->tty.sx)
854: len = c->tty.sx;
1.51 nicm 855: off = 0;
1.1 nicm 856:
1.79 nicm 857: /* Change colours for command mode. */
1.108 nicm 858: if (c->prompt_mdata.mode == 1)
859: style_apply(&gc, &s->options, "message-command-style");
860: else
861: style_apply(&gc, &s->options, "message-style");
1.1 nicm 862:
863: screen_write_start(&ctx, NULL, &c->status);
864:
865: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 866: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->prompt_string);
1.1 nicm 867:
868: left = c->tty.sx - len;
869: if (left != 0) {
1.51 nicm 870: size = screen_write_strlen(utf8flag, "%s", c->prompt_buffer);
871: if (c->prompt_index >= left) {
1.17 nicm 872: off = c->prompt_index - left + 1;
1.51 nicm 873: if (c->prompt_index == size)
1.1 nicm 874: left--;
875: size = left;
876: }
1.51 nicm 877: screen_write_nputs(
878: &ctx, left, &gc, utf8flag, "%s", c->prompt_buffer + off);
1.1 nicm 879:
1.55 nicm 880: for (i = len + size; i < c->tty.sx; i++)
881: screen_write_putc(&ctx, &gc, ' ');
1.1 nicm 882: }
883:
884: screen_write_stop(&ctx);
1.51 nicm 885:
886: /* Apply fake cursor. */
887: off = len + c->prompt_index - off;
888: gcp = grid_view_get_cell(c->status.grid, off, 0);
889: gcp->attr ^= GRID_ATTR_REVERSE;
1.1 nicm 890:
891: if (grid_compare(c->status.grid, old_status.grid) == 0) {
892: screen_free(&old_status);
893: return (0);
894: }
895: screen_free(&old_status);
896: return (1);
897: }
898:
899: /* Handle keys in prompt. */
900: void
901: status_prompt_key(struct client *c, int key)
902: {
1.81 nicm 903: struct session *sess = c->session;
904: struct options *oo = &sess->options;
1.1 nicm 905: struct paste_buffer *pb;
1.81 nicm 906: char *s, *first, *last, word[64], swapc;
907: const char *histstr;
1.83 nicm 908: const char *wsep = NULL;
1.53 nicm 909: u_char ch;
1.1 nicm 910: size_t size, n, off, idx;
911:
912: size = strlen(c->prompt_buffer);
1.101 nicm 913: switch (mode_key_lookup(&c->prompt_mdata, key, NULL)) {
1.20 nicm 914: case MODEKEYEDIT_CURSORLEFT:
1.1 nicm 915: if (c->prompt_index > 0) {
916: c->prompt_index--;
917: c->flags |= CLIENT_STATUS;
918: }
919: break;
1.79 nicm 920: case MODEKEYEDIT_SWITCHMODE:
921: c->flags |= CLIENT_STATUS;
922: break;
1.20 nicm 923: case MODEKEYEDIT_SWITCHMODEAPPEND:
1.79 nicm 924: c->flags |= CLIENT_STATUS;
925: /* FALLTHROUGH */
1.20 nicm 926: case MODEKEYEDIT_CURSORRIGHT:
1.1 nicm 927: if (c->prompt_index < size) {
928: c->prompt_index++;
929: c->flags |= CLIENT_STATUS;
930: }
931: break;
1.89 nicm 932: case MODEKEYEDIT_SWITCHMODEBEGINLINE:
933: c->flags |= CLIENT_STATUS;
934: /* FALLTHROUGH */
1.20 nicm 935: case MODEKEYEDIT_STARTOFLINE:
1.1 nicm 936: if (c->prompt_index != 0) {
937: c->prompt_index = 0;
938: c->flags |= CLIENT_STATUS;
939: }
940: break;
1.89 nicm 941: case MODEKEYEDIT_SWITCHMODEAPPENDLINE:
942: c->flags |= CLIENT_STATUS;
943: /* FALLTHROUGH */
1.20 nicm 944: case MODEKEYEDIT_ENDOFLINE:
1.1 nicm 945: if (c->prompt_index != size) {
946: c->prompt_index = size;
947: c->flags |= CLIENT_STATUS;
948: }
949: break;
1.20 nicm 950: case MODEKEYEDIT_COMPLETE:
1.1 nicm 951: if (*c->prompt_buffer == '\0')
952: break;
953:
954: idx = c->prompt_index;
955: if (idx != 0)
956: idx--;
957:
958: /* Find the word we are in. */
959: first = c->prompt_buffer + idx;
960: while (first > c->prompt_buffer && *first != ' ')
961: first--;
962: while (*first == ' ')
963: first++;
964: last = c->prompt_buffer + idx;
965: while (*last != '\0' && *last != ' ')
966: last++;
967: while (*last == ' ')
968: last--;
969: if (*last != '\0')
970: last++;
971: if (last <= first ||
972: ((size_t) (last - first)) > (sizeof word) - 1)
973: break;
974: memcpy(word, first, last - first);
975: word[last - first] = '\0';
976:
977: /* And try to complete it. */
978: if ((s = status_prompt_complete(word)) == NULL)
979: break;
980:
981: /* Trim out word. */
982: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
983: memmove(first, last, n);
984: size -= last - first;
985:
986: /* Insert the new word. */
1.55 nicm 987: size += strlen(s);
1.1 nicm 988: off = first - c->prompt_buffer;
1.116 nicm 989: c->prompt_buffer = xrealloc(c->prompt_buffer, size + 1);
1.1 nicm 990: first = c->prompt_buffer + off;
1.55 nicm 991: memmove(first + strlen(s), first, n);
992: memcpy(first, s, strlen(s));
1.1 nicm 993:
994: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 995: free(s);
1.1 nicm 996:
997: c->flags |= CLIENT_STATUS;
998: break;
1.20 nicm 999: case MODEKEYEDIT_BACKSPACE:
1.1 nicm 1000: if (c->prompt_index != 0) {
1001: if (c->prompt_index == size)
1002: c->prompt_buffer[--c->prompt_index] = '\0';
1003: else {
1004: memmove(c->prompt_buffer + c->prompt_index - 1,
1005: c->prompt_buffer + c->prompt_index,
1006: size + 1 - c->prompt_index);
1007: c->prompt_index--;
1008: }
1009: c->flags |= CLIENT_STATUS;
1010: }
1011: break;
1.55 nicm 1012: case MODEKEYEDIT_DELETE:
1.105 nicm 1013: case MODEKEYEDIT_SWITCHMODESUBSTITUTE:
1.1 nicm 1014: if (c->prompt_index != size) {
1015: memmove(c->prompt_buffer + c->prompt_index,
1016: c->prompt_buffer + c->prompt_index + 1,
1017: size + 1 - c->prompt_index);
1.18 nicm 1018: c->flags |= CLIENT_STATUS;
1019: }
1.26 nicm 1020: break;
1021: case MODEKEYEDIT_DELETELINE:
1.105 nicm 1022: case MODEKEYEDIT_SWITCHMODESUBSTITUTELINE:
1.26 nicm 1023: *c->prompt_buffer = '\0';
1024: c->prompt_index = 0;
1025: c->flags |= CLIENT_STATUS;
1.18 nicm 1026: break;
1.20 nicm 1027: case MODEKEYEDIT_DELETETOENDOFLINE:
1.105 nicm 1028: case MODEKEYEDIT_SWITCHMODECHANGELINE:
1.18 nicm 1029: if (c->prompt_index < size) {
1030: c->prompt_buffer[c->prompt_index] = '\0';
1.1 nicm 1031: c->flags |= CLIENT_STATUS;
1032: }
1033: break;
1.81 nicm 1034: case MODEKEYEDIT_DELETEWORD:
1035: wsep = options_get_string(oo, "word-separators");
1036: idx = c->prompt_index;
1037:
1038: /* Find a non-separator. */
1039: while (idx != 0) {
1040: idx--;
1041: if (!strchr(wsep, c->prompt_buffer[idx]))
1042: break;
1043: }
1044:
1045: /* Find the separator at the beginning of the word. */
1046: while (idx != 0) {
1047: idx--;
1048: if (strchr(wsep, c->prompt_buffer[idx])) {
1049: /* Go back to the word. */
1050: idx++;
1051: break;
1052: }
1053: }
1054:
1055: memmove(c->prompt_buffer + idx,
1056: c->prompt_buffer + c->prompt_index,
1057: size + 1 - c->prompt_index);
1058: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1059: '\0', c->prompt_index - idx);
1060: c->prompt_index = idx;
1061: c->flags |= CLIENT_STATUS;
1062: break;
1.83 nicm 1063: case MODEKEYEDIT_NEXTSPACE:
1064: wsep = " ";
1065: /* FALLTHROUGH */
1.81 nicm 1066: case MODEKEYEDIT_NEXTWORD:
1.83 nicm 1067: if (wsep == NULL)
1068: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1069:
1070: /* Find a separator. */
1071: while (c->prompt_index != size) {
1072: c->prompt_index++;
1073: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1074: break;
1075: }
1076:
1077: /* Find the word right after the separation. */
1078: while (c->prompt_index != size) {
1079: c->prompt_index++;
1080: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1081: break;
1082: }
1083:
1084: c->flags |= CLIENT_STATUS;
1085: break;
1.83 nicm 1086: case MODEKEYEDIT_NEXTSPACEEND:
1087: wsep = " ";
1088: /* FALLTHROUGH */
1.81 nicm 1089: case MODEKEYEDIT_NEXTWORDEND:
1.83 nicm 1090: if (wsep == NULL)
1091: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1092:
1093: /* Find a word. */
1094: while (c->prompt_index != size) {
1095: c->prompt_index++;
1096: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1097: break;
1098: }
1099:
1100: /* Find the separator at the end of the word. */
1101: while (c->prompt_index != size) {
1102: c->prompt_index++;
1.82 nicm 1103: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1.81 nicm 1104: break;
1105: }
1.106 nicm 1106:
1107: /* Back up to the end-of-word like vi. */
1108: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1109: c->prompt_index != 0)
1110: c->prompt_index--;
1.81 nicm 1111:
1112: c->flags |= CLIENT_STATUS;
1113: break;
1.83 nicm 1114: case MODEKEYEDIT_PREVIOUSSPACE:
1115: wsep = " ";
1116: /* FALLTHROUGH */
1.81 nicm 1117: case MODEKEYEDIT_PREVIOUSWORD:
1.83 nicm 1118: if (wsep == NULL)
1119: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1120:
1121: /* Find a non-separator. */
1122: while (c->prompt_index != 0) {
1123: c->prompt_index--;
1124: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1125: break;
1126: }
1127:
1128: /* Find the separator at the beginning of the word. */
1129: while (c->prompt_index != 0) {
1130: c->prompt_index--;
1131: if (strchr(wsep, c->prompt_buffer[c->prompt_index])) {
1132: /* Go back to the word. */
1133: c->prompt_index++;
1134: break;
1135: }
1136: }
1137:
1138: c->flags |= CLIENT_STATUS;
1139: break;
1.20 nicm 1140: case MODEKEYEDIT_HISTORYUP:
1.66 nicm 1141: histstr = status_prompt_up_history(&c->prompt_hindex);
1142: if (histstr == NULL)
1.1 nicm 1143: break;
1.94 nicm 1144: free(c->prompt_buffer);
1.66 nicm 1145: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1146: c->prompt_index = strlen(c->prompt_buffer);
1147: c->flags |= CLIENT_STATUS;
1148: break;
1.20 nicm 1149: case MODEKEYEDIT_HISTORYDOWN:
1.66 nicm 1150: histstr = status_prompt_down_history(&c->prompt_hindex);
1151: if (histstr == NULL)
1.65 nicm 1152: break;
1.94 nicm 1153: free(c->prompt_buffer);
1.66 nicm 1154: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1155: c->prompt_index = strlen(c->prompt_buffer);
1156: c->flags |= CLIENT_STATUS;
1157: break;
1.20 nicm 1158: case MODEKEYEDIT_PASTE:
1.114 nicm 1159: if ((pb = paste_get_top()) == NULL)
1.1 nicm 1160: break;
1.32 nicm 1161: for (n = 0; n < pb->size; n++) {
1.53 nicm 1162: ch = (u_char) pb->data[n];
1163: if (ch < 32 || ch == 127)
1.32 nicm 1164: break;
1165: }
1.1 nicm 1166:
1.116 nicm 1167: c->prompt_buffer = xrealloc(c->prompt_buffer, size + n + 1);
1.1 nicm 1168: if (c->prompt_index == size) {
1169: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1170: c->prompt_index += n;
1171: c->prompt_buffer[c->prompt_index] = '\0';
1172: } else {
1173: memmove(c->prompt_buffer + c->prompt_index + n,
1174: c->prompt_buffer + c->prompt_index,
1175: size + 1 - c->prompt_index);
1176: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1177: c->prompt_index += n;
1178: }
1179:
1180: c->flags |= CLIENT_STATUS;
1.30 nicm 1181: break;
1182: case MODEKEYEDIT_TRANSPOSECHARS:
1183: idx = c->prompt_index;
1184: if (idx < size)
1185: idx++;
1186: if (idx >= 2) {
1187: swapc = c->prompt_buffer[idx - 2];
1188: c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
1189: c->prompt_buffer[idx - 1] = swapc;
1190: c->prompt_index = idx;
1191: c->flags |= CLIENT_STATUS;
1192: }
1.1 nicm 1193: break;
1.55 nicm 1194: case MODEKEYEDIT_ENTER:
1.25 nicm 1195: if (*c->prompt_buffer != '\0')
1.65 nicm 1196: status_prompt_add_history(c->prompt_buffer);
1.25 nicm 1197: if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
1198: status_prompt_clear(c);
1199: break;
1.20 nicm 1200: case MODEKEYEDIT_CANCEL:
1.12 nicm 1201: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1202: status_prompt_clear(c);
1203: break;
1.20 nicm 1204: case MODEKEY_OTHER:
1.61 nicm 1205: if ((key & 0xff00) != 0 || key < 32 || key == 127)
1.1 nicm 1206: break;
1.116 nicm 1207: c->prompt_buffer = xrealloc(c->prompt_buffer, size + 2);
1.1 nicm 1208:
1209: if (c->prompt_index == size) {
1210: c->prompt_buffer[c->prompt_index++] = key;
1211: c->prompt_buffer[c->prompt_index] = '\0';
1212: } else {
1213: memmove(c->prompt_buffer + c->prompt_index + 1,
1214: c->prompt_buffer + c->prompt_index,
1215: size + 1 - c->prompt_index);
1216: c->prompt_buffer[c->prompt_index++] = key;
1217: }
1218:
1219: if (c->prompt_flags & PROMPT_SINGLE) {
1.12 nicm 1220: if (c->prompt_callbackfn(
1.1 nicm 1221: c->prompt_data, c->prompt_buffer) == 0)
1222: status_prompt_clear(c);
1223: }
1224:
1225: c->flags |= CLIENT_STATUS;
1226: break;
1227: default:
1228: break;
1229: }
1230: }
1231:
1.65 nicm 1232: /* Get previous line from the history. */
1233: const char *
1234: status_prompt_up_history(u_int *idx)
1235: {
1236: u_int size;
1237:
1238: /*
1239: * History runs from 0 to size - 1.
1240: *
1241: * Index is from 0 to size. Zero is empty.
1242: */
1243:
1244: size = ARRAY_LENGTH(&status_prompt_history);
1245: if (size == 0 || *idx == size)
1246: return (NULL);
1247: (*idx)++;
1248: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1249: }
1250:
1251: /* Get next line from the history. */
1252: const char *
1253: status_prompt_down_history(u_int *idx)
1254: {
1255: u_int size;
1256:
1257: size = ARRAY_LENGTH(&status_prompt_history);
1258: if (size == 0 || *idx == 0)
1259: return ("");
1260: (*idx)--;
1261: if (*idx == 0)
1262: return ("");
1263: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1264: }
1265:
1.1 nicm 1266: /* Add line to the history. */
1267: void
1.65 nicm 1268: status_prompt_add_history(const char *line)
1.1 nicm 1269: {
1.65 nicm 1270: u_int size;
1271:
1272: size = ARRAY_LENGTH(&status_prompt_history);
1273: if (size > 0 && strcmp(ARRAY_LAST(&status_prompt_history), line) == 0)
1.1 nicm 1274: return;
1275:
1.65 nicm 1276: if (size == PROMPT_HISTORY) {
1.94 nicm 1277: free(ARRAY_FIRST(&status_prompt_history));
1.65 nicm 1278: ARRAY_REMOVE(&status_prompt_history, 0);
1.1 nicm 1279: }
1280:
1.65 nicm 1281: ARRAY_ADD(&status_prompt_history, xstrdup(line));
1.1 nicm 1282: }
1283:
1284: /* Complete word. */
1285: char *
1286: status_prompt_complete(const char *s)
1287: {
1.69 nicm 1288: const struct cmd_entry **cmdent;
1289: const struct options_table_entry *oe;
1290: ARRAY_DECL(, const char *) list;
1291: char *prefix, *s2;
1292: u_int i;
1293: size_t j;
1.1 nicm 1294:
1295: if (*s == '\0')
1296: return (NULL);
1297:
1298: /* First, build a list of all the possible matches. */
1299: ARRAY_INIT(&list);
1300: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1301: if (strncmp((*cmdent)->name, s, strlen(s)) == 0)
1302: ARRAY_ADD(&list, (*cmdent)->name);
1.56 nicm 1303: }
1.69 nicm 1304: for (oe = server_options_table; oe->name != NULL; oe++) {
1305: if (strncmp(oe->name, s, strlen(s)) == 0)
1306: ARRAY_ADD(&list, oe->name);
1307: }
1308: for (oe = session_options_table; oe->name != NULL; oe++) {
1309: if (strncmp(oe->name, s, strlen(s)) == 0)
1310: ARRAY_ADD(&list, oe->name);
1311: }
1312: for (oe = window_options_table; oe->name != NULL; oe++) {
1313: if (strncmp(oe->name, s, strlen(s)) == 0)
1314: ARRAY_ADD(&list, oe->name);
1.1 nicm 1315: }
1316:
1317: /* If none, bail now. */
1318: if (ARRAY_LENGTH(&list) == 0) {
1319: ARRAY_FREE(&list);
1320: return (NULL);
1321: }
1322:
1323: /* If an exact match, return it, with a trailing space. */
1324: if (ARRAY_LENGTH(&list) == 1) {
1325: xasprintf(&s2, "%s ", ARRAY_FIRST(&list));
1326: ARRAY_FREE(&list);
1327: return (s2);
1328: }
1329:
1330: /* Now loop through the list and find the longest common prefix. */
1331: prefix = xstrdup(ARRAY_FIRST(&list));
1332: for (i = 1; i < ARRAY_LENGTH(&list); i++) {
1333: s = ARRAY_ITEM(&list, i);
1334:
1335: j = strlen(s);
1336: if (j > strlen(prefix))
1337: j = strlen(prefix);
1338: for (; j > 0; j--) {
1339: if (prefix[j - 1] != s[j - 1])
1340: prefix[j - 1] = '\0';
1341: }
1342: }
1343:
1344: ARRAY_FREE(&list);
1345: return (prefix);
1346: }
![[BACK]](/icons/back.gif){kind=icon}
Return to status.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / tmux