Annotation of src/usr.bin/tmux/status.c, Revision 1.108
1.108 ! nicm 1: /* $OpenBSD: status.c,v 1.107 2013/07/05 14:44:06 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 *);
1.104 nicm 41: void status_replace1(struct client *, char **, char **, char *, size_t, int);
1.42 nicm 42: void status_message_callback(int, short, void *);
1.1 nicm 43:
1.65 nicm 44: const char *status_prompt_up_history(u_int *);
45: const char *status_prompt_down_history(u_int *);
46: void status_prompt_add_history(const char *);
1.1 nicm 47: char *status_prompt_complete(const char *);
48:
1.65 nicm 49: /* Status prompt history. */
50: ARRAY_DECL(, char *) status_prompt_history = ARRAY_INITIALIZER;
51:
1.71 nicm 52: /* Status output tree. */
53: RB_GENERATE(status_out_tree, status_out, entry, status_out_cmp);
54:
55: /* Output tree comparison function. */
56: int
57: status_out_cmp(struct status_out *so1, struct status_out *so2)
58: {
59: return (strcmp(so1->cmd, so2->cmd));
1.87 nicm 60: }
61:
62: /* Get screen line of status line. -1 means off. */
63: int
64: status_at_line(struct client *c)
65: {
66: struct session *s = c->session;
67:
68: if (!options_get_number(&s->options, "status"))
69: return (-1);
70:
71: if (options_get_number(&s->options, "status-position") == 0)
72: return (0);
73: return (c->tty.sy - 1);
1.71 nicm 74: }
75:
1.48 nicm 76: /* Retrieve options for left string. */
77: char *
78: status_redraw_get_left(struct client *c,
79: time_t t, int utf8flag, struct grid_cell *gc, size_t *size)
80: {
81: struct session *s = c->session;
82: char *left;
83: size_t leftlen;
84:
1.108 ! nicm 85: style_apply_update(gc, &s->options, "status-left-style");
1.48 nicm 86:
1.72 nicm 87: left = status_replace(c, NULL,
88: NULL, NULL, options_get_string(&s->options, "status-left"), t, 1);
1.48 nicm 89:
90: *size = options_get_number(&s->options, "status-left-length");
91: leftlen = screen_write_cstrlen(utf8flag, "%s", left);
92: if (leftlen < *size)
93: *size = leftlen;
94: return (left);
95: }
96:
97: /* Retrieve options for right string. */
98: char *
99: status_redraw_get_right(struct client *c,
100: time_t t, int utf8flag, struct grid_cell *gc, size_t *size)
101: {
102: struct session *s = c->session;
103: char *right;
104: size_t rightlen;
105:
1.108 ! nicm 106: style_apply_update(gc, &s->options, "status-right-style");
1.48 nicm 107:
1.72 nicm 108: right = status_replace(c, NULL,
109: NULL, NULL, options_get_string(&s->options, "status-right"), t, 1);
1.48 nicm 110:
111: *size = options_get_number(&s->options, "status-right-length");
112: rightlen = screen_write_cstrlen(utf8flag, "%s", right);
113: if (rightlen < *size)
114: *size = rightlen;
115: return (right);
116: }
117:
1.73 nicm 118: /* Set window at window list position. */
119: void
120: status_set_window_at(struct client *c, u_int x)
121: {
122: struct session *s = c->session;
123: struct winlink *wl;
124:
1.88 nicm 125: x += c->wlmouse;
1.73 nicm 126: RB_FOREACH(wl, winlinks, &s->windows) {
1.107 nicm 127: if (x < wl->status_width && session_select(s, wl->idx) == 0)
1.73 nicm 128: server_redraw_session(s);
129: x -= wl->status_width + 1;
130: }
131: }
132:
1.1 nicm 133: /* Draw status for client on the last lines of given context. */
134: int
135: status_redraw(struct client *c)
136: {
1.48 nicm 137: struct screen_write_ctx ctx;
138: struct session *s = c->session;
139: struct winlink *wl;
140: struct screen old_status, window_list;
141: struct grid_cell stdgc, lgc, rgc, gc;
1.91 nicm 142: struct options *oo;
1.48 nicm 143: time_t t;
1.91 nicm 144: char *left, *right, *sep;
1.48 nicm 145: u_int offset, needed;
146: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
1.91 nicm 147: size_t llen, rlen, seplen;
1.48 nicm 148: int larrow, rarrow, utf8flag;
1.1 nicm 149:
1.49 nicm 150: /* No status line? */
1.7 nicm 151: if (c->tty.sy == 0 || !options_get_number(&s->options, "status"))
152: return (1);
1.48 nicm 153: left = right = NULL;
1.7 nicm 154: larrow = rarrow = 0;
1.1 nicm 155:
1.48 nicm 156: /* Update status timer. */
1.1 nicm 157: if (gettimeofday(&c->status_timer, NULL) != 0)
1.34 nicm 158: fatal("gettimeofday failed");
1.48 nicm 159: t = c->status_timer.tv_sec;
160:
161: /* Set up default colour. */
1.108 ! nicm 162: style_apply(&stdgc, &s->options, "status-style");
1.1 nicm 163:
1.48 nicm 164: /* Create the target screen. */
165: memcpy(&old_status, &c->status, sizeof old_status);
166: screen_init(&c->status, c->tty.sx, 1, 0);
167: screen_write_start(&ctx, NULL, &c->status);
168: for (offset = 0; offset < c->tty.sx; offset++)
169: screen_write_putc(&ctx, &stdgc, ' ');
170: screen_write_stop(&ctx);
171:
172: /* If the height is one line, blank status line. */
173: if (c->tty.sy <= 1)
174: goto out;
1.1 nicm 175:
1.48 nicm 176: /* Get UTF-8 flag. */
1.3 nicm 177: utf8flag = options_get_number(&s->options, "status-utf8");
178:
1.48 nicm 179: /* Work out left and right strings. */
180: memcpy(&lgc, &stdgc, sizeof lgc);
181: left = status_redraw_get_left(c, t, utf8flag, &lgc, &llen);
182: memcpy(&rgc, &stdgc, sizeof rgc);
183: right = status_redraw_get_right(c, t, utf8flag, &rgc, &rlen);
1.1 nicm 184:
185: /*
1.48 nicm 186: * Figure out how much space we have for the window list. If there
187: * isn't enough space, just show a blank status line.
1.1 nicm 188: */
1.55 nicm 189: needed = 0;
1.1 nicm 190: if (llen != 0)
1.48 nicm 191: needed += llen + 1;
1.1 nicm 192: if (rlen != 0)
1.48 nicm 193: needed += rlen + 1;
194: if (c->tty.sx == 0 || c->tty.sx <= needed)
195: goto out;
196: wlavailable = c->tty.sx - needed;
1.1 nicm 197:
1.48 nicm 198: /* Calculate the total size needed for the window list. */
199: wlstart = wloffset = wlwidth = 0;
1.1 nicm 200: RB_FOREACH(wl, winlinks, &s->windows) {
1.94 nicm 201: free(wl->status_text);
1.48 nicm 202: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
203: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.55 nicm 204: wl->status_width =
1.48 nicm 205: screen_write_cstrlen(utf8flag, "%s", wl->status_text);
206:
1.1 nicm 207: if (wl == s->curw)
1.48 nicm 208: wloffset = wlwidth;
1.91 nicm 209:
210: oo = &wl->window->options;
211: sep = options_get_string(oo, "window-status-separator");
212: seplen = screen_write_strlen(utf8flag, "%s", sep);
213: wlwidth += wl->status_width + seplen;
1.48 nicm 214: }
215:
216: /* Create a new screen for the window list. */
217: screen_init(&window_list, wlwidth, 1, 0);
218:
219: /* And draw the window list into it. */
220: screen_write_start(&ctx, NULL, &window_list);
221: RB_FOREACH(wl, winlinks, &s->windows) {
1.55 nicm 222: screen_write_cnputs(&ctx,
1.48 nicm 223: -1, &wl->status_cell, utf8flag, "%s", wl->status_text);
1.91 nicm 224:
225: oo = &wl->window->options;
226: sep = options_get_string(oo, "window-status-separator");
227: screen_write_nputs(&ctx, -1, &stdgc, utf8flag, "%s", sep);
1.1 nicm 228: }
1.48 nicm 229: screen_write_stop(&ctx);
1.1 nicm 230:
1.48 nicm 231: /* If there is enough space for the total width, skip to draw now. */
232: if (wlwidth <= wlavailable)
1.1 nicm 233: goto draw;
234:
235: /* Find size of current window text. */
1.48 nicm 236: wlsize = s->curw->status_width;
1.1 nicm 237:
238: /*
1.48 nicm 239: * If the current window is already on screen, good to draw from the
1.1 nicm 240: * start and just leave off the end.
241: */
1.48 nicm 242: if (wloffset + wlsize < wlavailable) {
243: if (wlavailable > 0) {
244: rarrow = 1;
245: wlavailable--;
246: }
247: wlwidth = wlavailable;
248: } else {
249: /*
250: * Work out how many characters we need to omit from the
251: * start. There are wlavailable characters to fill, and
252: * wloffset + wlsize must be the last. So, the start character
253: * is wloffset + wlsize - wlavailable.
254: */
255: if (wlavailable > 0) {
256: larrow = 1;
257: wlavailable--;
258: }
1.55 nicm 259:
1.48 nicm 260: wlstart = wloffset + wlsize - wlavailable;
261: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 262: rarrow = 1;
1.48 nicm 263: wlstart++;
264: wlavailable--;
1.1 nicm 265: }
1.48 nicm 266: wlwidth = wlavailable;
267: }
1.1 nicm 268:
1.48 nicm 269: /* Bail if anything is now too small too. */
270: if (wlwidth == 0 || wlavailable == 0) {
271: screen_free(&window_list);
272: goto out;
1.1 nicm 273: }
274:
275: /*
1.48 nicm 276: * Now the start position is known, work out the state of the left and
277: * right arrows.
1.1 nicm 278: */
279: offset = 0;
280: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 281: if (wl->flags & WINLINK_ALERTFLAGS &&
282: larrow == 1 && offset < wlstart)
283: larrow = -1;
1.1 nicm 284:
1.48 nicm 285: offset += wl->status_width;
1.1 nicm 286:
1.63 nicm 287: if (wl->flags & WINLINK_ALERTFLAGS &&
288: rarrow == 1 && offset > wlstart + wlwidth)
289: rarrow = -1;
1.1 nicm 290: }
291:
1.48 nicm 292: draw:
1.55 nicm 293: /* Begin drawing. */
1.48 nicm 294: screen_write_start(&ctx, NULL, &c->status);
1.1 nicm 295:
1.48 nicm 296: /* Draw the left string and arrow. */
297: screen_write_cursormove(&ctx, 0, 0);
298: if (llen != 0) {
299: screen_write_cnputs(&ctx, llen, &lgc, utf8flag, "%s", left);
1.5 nicm 300: screen_write_putc(&ctx, &stdgc, ' ');
1.1 nicm 301: }
302: if (larrow != 0) {
303: memcpy(&gc, &stdgc, sizeof gc);
304: if (larrow == -1)
305: gc.attr ^= GRID_ATTR_REVERSE;
306: screen_write_putc(&ctx, &gc, '<');
307: }
1.48 nicm 308:
309: /* Draw the right string and arrow. */
1.1 nicm 310: if (rarrow != 0) {
1.48 nicm 311: screen_write_cursormove(&ctx, c->tty.sx - rlen - 2, 0);
1.1 nicm 312: memcpy(&gc, &stdgc, sizeof gc);
313: if (rarrow == -1)
314: gc.attr ^= GRID_ATTR_REVERSE;
315: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 316: } else
317: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
318: if (rlen != 0) {
319: screen_write_putc(&ctx, &stdgc, ' ');
320: screen_write_cnputs(&ctx, rlen, &rgc, utf8flag, "%s", right);
1.1 nicm 321: }
322:
1.48 nicm 323: /* Figure out the offset for the window list. */
1.58 nicm 324: if (llen != 0)
325: wloffset = llen + 1;
326: else
327: wloffset = 0;
1.48 nicm 328: if (wlwidth < wlavailable) {
329: switch (options_get_number(&s->options, "status-justify")) {
330: case 1: /* centered */
1.58 nicm 331: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 332: break;
333: case 2: /* right */
1.58 nicm 334: wloffset += (wlavailable - wlwidth);
1.48 nicm 335: break;
336: }
337: }
338: if (larrow != 0)
339: wloffset++;
340:
341: /* Copy the window list. */
1.88 nicm 342: c->wlmouse = -wloffset + wlstart;
1.48 nicm 343: screen_write_cursormove(&ctx, wloffset, 0);
344: screen_write_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 345: screen_free(&window_list);
1.1 nicm 346:
1.48 nicm 347: screen_write_stop(&ctx);
1.1 nicm 348:
349: out:
1.94 nicm 350: free(left);
351: free(right);
1.1 nicm 352:
353: if (grid_compare(c->status.grid, old_status.grid) == 0) {
354: screen_free(&old_status);
355: return (0);
356: }
357: screen_free(&old_status);
358: return (1);
359: }
360:
1.46 nicm 361: /* Replace a single special sequence (prefixed by #). */
362: void
1.104 nicm 363: status_replace1(struct client *c, char **iptr, char **optr, char *out,
1.72 nicm 364: size_t outsize, int jobsflag)
365: {
1.104 nicm 366: char ch, tmp[256], *ptr, *endptr;
1.72 nicm 367: size_t ptrlen;
368: long limit;
1.46 nicm 369:
370: errno = 0;
371: limit = strtol(*iptr, &endptr, 10);
372: if ((limit == 0 && errno != EINVAL) ||
373: (limit == LONG_MIN && errno != ERANGE) ||
1.55 nicm 374: (limit == LONG_MAX && errno != ERANGE) ||
1.46 nicm 375: limit != 0)
376: *iptr = endptr;
377: if (limit <= 0)
378: limit = LONG_MAX;
379:
380: switch (*(*iptr)++) {
381: case '(':
382: if (!jobsflag) {
383: ch = ')';
384: goto skip_to;
385: }
1.71 nicm 386: if ((ptr = status_find_job(c, iptr)) == NULL)
1.46 nicm 387: return;
388: goto do_replace;
389: case '[':
1.55 nicm 390: /*
1.46 nicm 391: * Embedded style, handled at display time. Leave present and
392: * skip input until ].
393: */
394: ch = ']';
395: goto skip_to;
1.96 nicm 396: case '{':
397: ptr = (char *) "#{";
398: goto do_replace;
1.46 nicm 399: case '#':
1.49 nicm 400: *(*optr)++ = '#';
1.46 nicm 401: break;
1.104 nicm 402: default:
403: xsnprintf(tmp, sizeof tmp, "#%c", *(*iptr - 1));
404: ptr = tmp;
405: goto do_replace;
1.46 nicm 406: }
407:
408: return;
1.55 nicm 409:
1.46 nicm 410: do_replace:
411: ptrlen = strlen(ptr);
412: if ((size_t) limit < ptrlen)
413: ptrlen = limit;
414:
415: if (*optr + ptrlen >= out + outsize - 1)
1.104 nicm 416: return;
1.46 nicm 417: while (ptrlen > 0 && *ptr != '\0') {
418: *(*optr)++ = *ptr++;
419: ptrlen--;
420: }
421:
422: return;
423:
424: skip_to:
425: *(*optr)++ = '#';
426:
427: (*iptr)--; /* include ch */
428: while (**iptr != ch && **iptr != '\0') {
429: if (*optr >= out + outsize - 1)
430: break;
431: *(*optr)++ = *(*iptr)++;
432: }
433: }
434:
435: /* Replace special sequences in fmt. */
436: char *
1.72 nicm 437: status_replace(struct client *c, struct session *s, struct winlink *wl,
438: struct window_pane *wp, const char *fmt, time_t t, int jobsflag)
1.46 nicm 439: {
1.96 nicm 440: static char out[BUFSIZ];
1.98 nicm 441: char in[BUFSIZ], ch, *iptr, *optr, *expanded;
1.96 nicm 442: size_t len;
443: struct format_tree *ft;
1.47 nicm 444:
1.93 nicm 445: if (fmt == NULL)
446: return (xstrdup(""));
447:
1.96 nicm 448: if (s == NULL)
449: s = c->session;
450: if (wl == NULL)
451: wl = s->curw;
452: if (wp == NULL)
453: wp = wl->window->active;
454:
1.86 nicm 455: len = strftime(in, sizeof in, fmt, localtime(&t));
456: in[len] = '\0';
1.1 nicm 457:
458: iptr = in;
459: optr = out;
460:
461: while (*iptr != '\0') {
462: if (optr >= out + (sizeof out) - 1)
463: break;
1.46 nicm 464: ch = *iptr++;
465:
1.70 nicm 466: if (ch != '#' || *iptr == '\0') {
1.1 nicm 467: *optr++ = ch;
1.46 nicm 468: continue;
1.1 nicm 469: }
1.104 nicm 470: status_replace1(c, &iptr, &optr, out, sizeof out, jobsflag);
1.1 nicm 471: }
472: *optr = '\0';
473:
1.96 nicm 474: ft = format_create();
1.97 nicm 475: format_client(ft, c);
1.96 nicm 476: format_session(ft, s);
477: format_winlink(ft, s, wl);
478: format_window_pane(ft, wp);
1.99 nicm 479: expanded = format_expand(ft, out);
480: format_free(ft);
481: return (expanded);
1.1 nicm 482: }
483:
1.46 nicm 484: /* Figure out job name and get its result, starting it off if necessary. */
1.1 nicm 485: char *
1.71 nicm 486: status_find_job(struct client *c, char **iptr)
1.1 nicm 487: {
1.71 nicm 488: struct status_out *so, so_find;
489: char *cmd;
490: int lastesc;
491: size_t len;
1.1 nicm 492:
493: if (**iptr == '\0')
494: return (NULL);
495: if (**iptr == ')') { /* no command given */
496: (*iptr)++;
497: return (NULL);
498: }
499:
500: cmd = xmalloc(strlen(*iptr) + 1);
501: len = 0;
502:
503: lastesc = 0;
504: for (; **iptr != '\0'; (*iptr)++) {
505: if (!lastesc && **iptr == ')')
506: break; /* unescaped ) is the end */
507: if (!lastesc && **iptr == '\\') {
508: lastesc = 1;
509: continue; /* skip \ if not escaped */
510: }
511: lastesc = 0;
512: cmd[len++] = **iptr;
513: }
1.38 nicm 514: if (**iptr == '\0') /* no terminating ) */ {
1.94 nicm 515: free(cmd);
1.38 nicm 516: return (NULL);
517: }
1.1 nicm 518: (*iptr)++; /* skip final ) */
519: cmd[len] = '\0';
520:
1.71 nicm 521: /* First try in the new tree. */
522: so_find.cmd = cmd;
523: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
1.78 nicm 524: if (so != NULL && so->out != NULL) {
1.94 nicm 525: free(cmd);
1.71 nicm 526: return (so->out);
1.78 nicm 527: }
1.71 nicm 528:
529: /* If not found at all, start the job and add to the tree. */
530: if (so == NULL) {
1.103 nicm 531: job_run(cmd, NULL, status_job_callback, status_job_free, c);
1.71 nicm 532: c->references++;
533:
534: so = xmalloc(sizeof *so);
535: so->cmd = xstrdup(cmd);
536: so->out = NULL;
537: RB_INSERT(status_out_tree, &c->status_new, so);
538: }
539:
540: /* Lookup in the old tree. */
541: so_find.cmd = cmd;
542: so = RB_FIND(status_out_tree, &c->status_old, &so_find);
1.94 nicm 543: free(cmd);
1.71 nicm 544: if (so != NULL)
545: return (so->out);
546: return (NULL);
547: }
548:
549: /* Free job tree. */
550: void
551: status_free_jobs(struct status_out_tree *sotree)
552: {
553: struct status_out *so, *so_next;
554:
555: so_next = RB_MIN(status_out_tree, sotree);
556: while (so_next != NULL) {
557: so = so_next;
558: so_next = RB_NEXT(status_out_tree, sotree, so);
559:
560: RB_REMOVE(status_out_tree, sotree, so);
1.94 nicm 561: free(so->out);
562: free(so->cmd);
563: free(so);
1.38 nicm 564: }
1.71 nicm 565: }
566:
567: /* Update jobs on status interval. */
568: void
569: status_update_jobs(struct client *c)
570: {
571: /* Free the old tree. */
572: status_free_jobs(&c->status_old);
573:
574: /* Move the new to old. */
575: memcpy(&c->status_old, &c->status_new, sizeof c->status_old);
576: RB_INIT(&c->status_new);
577: }
578:
579: /* Free status job. */
580: void
581: status_job_free(void *data)
582: {
583: struct client *c = data;
584:
585: c->references--;
1.38 nicm 586: }
1.1 nicm 587:
1.46 nicm 588: /* Job has finished: save its result. */
1.38 nicm 589: void
590: status_job_callback(struct job *job)
591: {
1.71 nicm 592: struct client *c = job->data;
593: struct status_out *so, so_find;
594: char *line, *buf;
595: size_t len;
596:
597: if (c->flags & CLIENT_DEAD)
598: return;
599:
600: so_find.cmd = job->cmd;
601: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
602: if (so == NULL || so->out != NULL)
603: return;
1.38 nicm 604:
1.41 nicm 605: buf = NULL;
606: if ((line = evbuffer_readline(job->event->input)) == NULL) {
607: len = EVBUFFER_LENGTH(job->event->input);
608: buf = xmalloc(len + 1);
609: if (len != 0)
610: memcpy(buf, EVBUFFER_DATA(job->event->input), len);
611: buf[len] = '\0';
1.71 nicm 612: } else
1.102 nicm 613: buf = line;
1.1 nicm 614:
1.71 nicm 615: so->out = buf;
1.75 nicm 616: server_status_client(c);
1.1 nicm 617: }
618:
1.46 nicm 619: /* Return winlink status line entry and adjust gc as necessary. */
1.1 nicm 620: char *
1.47 nicm 621: status_print(
622: struct client *c, struct winlink *wl, time_t t, struct grid_cell *gc)
1.1 nicm 623: {
1.33 nicm 624: struct options *oo = &wl->window->options;
1.47 nicm 625: struct session *s = c->session;
626: const char *fmt;
627: char *text;
1.1 nicm 628:
1.108 ! nicm 629: style_apply_update(gc, oo, "window-status-style");
1.47 nicm 630: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 631: if (wl == s->curw) {
1.108 ! nicm 632: style_apply_update(gc, oo, "window-status-current-style");
1.47 nicm 633: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 634: }
1.108 ! nicm 635: if (wl == TAILQ_FIRST(&s->lastw))
! 636: style_apply_update(gc, oo, "window-status-last-style");
! 637:
! 638: if (wl->flags & WINLINK_BELL)
! 639: style_apply_update(gc, oo, "window-status-bell-style");
! 640: else if (wl->flags & WINLINK_CONTENT)
! 641: style_apply_update(gc, oo, "window-status-content-style");
! 642: else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
! 643: style_apply_update(gc, oo, "window-status-activity-style");
1.1 nicm 644:
1.72 nicm 645: text = status_replace(c, NULL, wl, NULL, fmt, t, 1);
1.1 nicm 646: return (text);
647: }
648:
1.46 nicm 649: /* Set a status line message. */
1.10 nicm 650: void printflike2
651: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 652: {
1.44 nicm 653: struct timeval tv;
654: struct session *s = c->session;
655: struct message_entry *msg;
656: va_list ap;
657: int delay;
658: u_int i, limit;
1.1 nicm 659:
1.12 nicm 660: status_prompt_clear(c);
661: status_message_clear(c);
662:
1.28 nicm 663: va_start(ap, fmt);
664: xvasprintf(&c->message_string, fmt, ap);
665: va_end(ap);
666:
1.44 nicm 667: ARRAY_EXPAND(&c->message_log, 1);
668: msg = &ARRAY_LAST(&c->message_log);
669: msg->msg_time = time(NULL);
670: msg->msg = xstrdup(c->message_string);
671:
672: if (s == NULL)
673: limit = 0;
674: else
675: limit = options_get_number(&s->options, "message-limit");
1.50 nicm 676: if (ARRAY_LENGTH(&c->message_log) > limit) {
677: limit = ARRAY_LENGTH(&c->message_log) - limit;
678: for (i = 0; i < limit; i++) {
679: msg = &ARRAY_FIRST(&c->message_log);
1.94 nicm 680: free(msg->msg);
1.50 nicm 681: ARRAY_REMOVE(&c->message_log, 0);
682: }
1.44 nicm 683: }
684:
1.1 nicm 685: delay = options_get_number(&c->session->options, "display-time");
686: tv.tv_sec = delay / 1000;
687: tv.tv_usec = (delay % 1000) * 1000L;
1.44 nicm 688:
1.90 nicm 689: if (event_initialized (&c->message_timer))
690: evtimer_del(&c->message_timer);
1.42 nicm 691: evtimer_set(&c->message_timer, status_message_callback, c);
692: evtimer_add(&c->message_timer, &tv);
1.1 nicm 693:
694: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
695: c->flags |= CLIENT_STATUS;
696: }
697:
1.46 nicm 698: /* Clear status line message. */
1.1 nicm 699: void
700: status_message_clear(struct client *c)
701: {
702: if (c->message_string == NULL)
703: return;
704:
1.94 nicm 705: free(c->message_string);
1.1 nicm 706: c->message_string = NULL;
707:
708: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 709: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 710:
711: screen_reinit(&c->status);
1.42 nicm 712: }
713:
1.46 nicm 714: /* Clear status line message after timer expires. */
1.42 nicm 715: void
716: status_message_callback(unused int fd, unused short event, void *data)
717: {
718: struct client *c = data;
719:
720: status_message_clear(c);
1.1 nicm 721: }
722:
723: /* Draw client message on status line of present else on last line. */
724: int
725: status_message_redraw(struct client *c)
726: {
727: struct screen_write_ctx ctx;
728: struct session *s = c->session;
729: struct screen old_status;
730: size_t len;
731: struct grid_cell gc;
1.51 nicm 732: int utf8flag;
1.1 nicm 733:
734: if (c->tty.sx == 0 || c->tty.sy == 0)
735: return (0);
736: memcpy(&old_status, &c->status, sizeof old_status);
737: screen_init(&c->status, c->tty.sx, 1, 0);
738:
1.51 nicm 739: utf8flag = options_get_number(&s->options, "status-utf8");
740:
741: len = screen_write_strlen(utf8flag, "%s", c->message_string);
1.1 nicm 742: if (len > c->tty.sx)
743: len = c->tty.sx;
744:
1.108 ! nicm 745: style_apply(&gc, &s->options, "message-style");
1.1 nicm 746:
747: screen_write_start(&ctx, NULL, &c->status);
748:
749: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 750: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->message_string);
1.1 nicm 751: for (; len < c->tty.sx; len++)
752: screen_write_putc(&ctx, &gc, ' ');
753:
754: screen_write_stop(&ctx);
755:
756: if (grid_compare(c->status.grid, old_status.grid) == 0) {
757: screen_free(&old_status);
758: return (0);
759: }
760: screen_free(&old_status);
761: return (1);
762: }
763:
1.46 nicm 764: /* Enable status line prompt. */
1.1 nicm 765: void
1.76 nicm 766: status_prompt_set(struct client *c, const char *msg, const char *input,
1.12 nicm 767: int (*callbackfn)(void *, const char *), void (*freefn)(void *),
768: void *data, int flags)
1.1 nicm 769: {
1.20 nicm 770: int keys;
771:
1.12 nicm 772: status_message_clear(c);
773: status_prompt_clear(c);
774:
1.77 nicm 775: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
776: time(NULL), 0);
1.1 nicm 777:
1.77 nicm 778: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
779: time(NULL), 0);
1.76 nicm 780: c->prompt_index = strlen(c->prompt_buffer);
1.1 nicm 781:
1.12 nicm 782: c->prompt_callbackfn = callbackfn;
783: c->prompt_freefn = freefn;
1.1 nicm 784: c->prompt_data = data;
785:
786: c->prompt_hindex = 0;
787:
788: c->prompt_flags = flags;
789:
1.20 nicm 790: keys = options_get_number(&c->session->options, "status-keys");
791: if (keys == MODEKEY_EMACS)
1.21 nicm 792: mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
1.20 nicm 793: else
1.21 nicm 794: mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
1.1 nicm 795:
796: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
797: c->flags |= CLIENT_STATUS;
798: }
799:
1.46 nicm 800: /* Remove status line prompt. */
1.1 nicm 801: void
802: status_prompt_clear(struct client *c)
803: {
1.55 nicm 804: if (c->prompt_string == NULL)
1.1 nicm 805: return;
806:
1.12 nicm 807: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
808: c->prompt_freefn(c->prompt_data);
1.1 nicm 809:
1.94 nicm 810: free(c->prompt_string);
1.1 nicm 811: c->prompt_string = NULL;
812:
1.94 nicm 813: free(c->prompt_buffer);
1.1 nicm 814: c->prompt_buffer = NULL;
815:
816: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 817: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 818:
819: screen_reinit(&c->status);
1.27 nicm 820: }
821:
1.46 nicm 822: /* Update status line prompt with a new prompt string. */
1.27 nicm 823: void
1.76 nicm 824: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 825: {
1.94 nicm 826: free(c->prompt_string);
1.77 nicm 827: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
828: time(NULL), 0);
1.27 nicm 829:
1.94 nicm 830: free(c->prompt_buffer);
1.77 nicm 831: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
832: time(NULL), 0);
1.76 nicm 833: c->prompt_index = strlen(c->prompt_buffer);
1.27 nicm 834:
835: c->prompt_hindex = 0;
836:
837: c->flags |= CLIENT_STATUS;
1.1 nicm 838: }
839:
840: /* Draw client prompt on status line of present else on last line. */
841: int
842: status_prompt_redraw(struct client *c)
843: {
1.51 nicm 844: struct screen_write_ctx ctx;
1.1 nicm 845: struct session *s = c->session;
846: struct screen old_status;
1.29 nicm 847: size_t i, size, left, len, off;
1.51 nicm 848: struct grid_cell gc, *gcp;
849: int utf8flag;
1.1 nicm 850:
851: if (c->tty.sx == 0 || c->tty.sy == 0)
852: return (0);
853: memcpy(&old_status, &c->status, sizeof old_status);
854: screen_init(&c->status, c->tty.sx, 1, 0);
855:
1.51 nicm 856: utf8flag = options_get_number(&s->options, "status-utf8");
857:
858: len = screen_write_strlen(utf8flag, "%s", c->prompt_string);
1.1 nicm 859: if (len > c->tty.sx)
860: len = c->tty.sx;
1.51 nicm 861: off = 0;
1.1 nicm 862:
1.79 nicm 863: /* Change colours for command mode. */
1.108 ! nicm 864: if (c->prompt_mdata.mode == 1)
! 865: style_apply(&gc, &s->options, "message-command-style");
! 866: else
! 867: style_apply(&gc, &s->options, "message-style");
1.1 nicm 868:
869: screen_write_start(&ctx, NULL, &c->status);
870:
871: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 872: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->prompt_string);
1.1 nicm 873:
874: left = c->tty.sx - len;
875: if (left != 0) {
1.51 nicm 876: size = screen_write_strlen(utf8flag, "%s", c->prompt_buffer);
877: if (c->prompt_index >= left) {
1.17 nicm 878: off = c->prompt_index - left + 1;
1.51 nicm 879: if (c->prompt_index == size)
1.1 nicm 880: left--;
881: size = left;
882: }
1.51 nicm 883: screen_write_nputs(
884: &ctx, left, &gc, utf8flag, "%s", c->prompt_buffer + off);
1.1 nicm 885:
1.55 nicm 886: for (i = len + size; i < c->tty.sx; i++)
887: screen_write_putc(&ctx, &gc, ' ');
1.1 nicm 888: }
889:
890: screen_write_stop(&ctx);
1.51 nicm 891:
892: /* Apply fake cursor. */
893: off = len + c->prompt_index - off;
894: gcp = grid_view_get_cell(c->status.grid, off, 0);
895: gcp->attr ^= GRID_ATTR_REVERSE;
1.1 nicm 896:
897: if (grid_compare(c->status.grid, old_status.grid) == 0) {
898: screen_free(&old_status);
899: return (0);
900: }
901: screen_free(&old_status);
902: return (1);
903: }
904:
905: /* Handle keys in prompt. */
906: void
907: status_prompt_key(struct client *c, int key)
908: {
1.81 nicm 909: struct session *sess = c->session;
910: struct options *oo = &sess->options;
1.1 nicm 911: struct paste_buffer *pb;
1.81 nicm 912: char *s, *first, *last, word[64], swapc;
913: const char *histstr;
1.83 nicm 914: const char *wsep = NULL;
1.53 nicm 915: u_char ch;
1.1 nicm 916: size_t size, n, off, idx;
917:
918: size = strlen(c->prompt_buffer);
1.101 nicm 919: switch (mode_key_lookup(&c->prompt_mdata, key, NULL)) {
1.20 nicm 920: case MODEKEYEDIT_CURSORLEFT:
1.1 nicm 921: if (c->prompt_index > 0) {
922: c->prompt_index--;
923: c->flags |= CLIENT_STATUS;
924: }
925: break;
1.79 nicm 926: case MODEKEYEDIT_SWITCHMODE:
927: c->flags |= CLIENT_STATUS;
928: break;
1.20 nicm 929: case MODEKEYEDIT_SWITCHMODEAPPEND:
1.79 nicm 930: c->flags |= CLIENT_STATUS;
931: /* FALLTHROUGH */
1.20 nicm 932: case MODEKEYEDIT_CURSORRIGHT:
1.1 nicm 933: if (c->prompt_index < size) {
934: c->prompt_index++;
935: c->flags |= CLIENT_STATUS;
936: }
937: break;
1.89 nicm 938: case MODEKEYEDIT_SWITCHMODEBEGINLINE:
939: c->flags |= CLIENT_STATUS;
940: /* FALLTHROUGH */
1.20 nicm 941: case MODEKEYEDIT_STARTOFLINE:
1.1 nicm 942: if (c->prompt_index != 0) {
943: c->prompt_index = 0;
944: c->flags |= CLIENT_STATUS;
945: }
946: break;
1.89 nicm 947: case MODEKEYEDIT_SWITCHMODEAPPENDLINE:
948: c->flags |= CLIENT_STATUS;
949: /* FALLTHROUGH */
1.20 nicm 950: case MODEKEYEDIT_ENDOFLINE:
1.1 nicm 951: if (c->prompt_index != size) {
952: c->prompt_index = size;
953: c->flags |= CLIENT_STATUS;
954: }
955: break;
1.20 nicm 956: case MODEKEYEDIT_COMPLETE:
1.1 nicm 957: if (*c->prompt_buffer == '\0')
958: break;
959:
960: idx = c->prompt_index;
961: if (idx != 0)
962: idx--;
963:
964: /* Find the word we are in. */
965: first = c->prompt_buffer + idx;
966: while (first > c->prompt_buffer && *first != ' ')
967: first--;
968: while (*first == ' ')
969: first++;
970: last = c->prompt_buffer + idx;
971: while (*last != '\0' && *last != ' ')
972: last++;
973: while (*last == ' ')
974: last--;
975: if (*last != '\0')
976: last++;
977: if (last <= first ||
978: ((size_t) (last - first)) > (sizeof word) - 1)
979: break;
980: memcpy(word, first, last - first);
981: word[last - first] = '\0';
982:
983: /* And try to complete it. */
984: if ((s = status_prompt_complete(word)) == NULL)
985: break;
986:
987: /* Trim out word. */
988: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
989: memmove(first, last, n);
990: size -= last - first;
991:
992: /* Insert the new word. */
1.55 nicm 993: size += strlen(s);
1.1 nicm 994: off = first - c->prompt_buffer;
1.55 nicm 995: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 1);
1.1 nicm 996: first = c->prompt_buffer + off;
1.55 nicm 997: memmove(first + strlen(s), first, n);
998: memcpy(first, s, strlen(s));
1.1 nicm 999:
1000: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 1001: free(s);
1.1 nicm 1002:
1003: c->flags |= CLIENT_STATUS;
1004: break;
1.20 nicm 1005: case MODEKEYEDIT_BACKSPACE:
1.1 nicm 1006: if (c->prompt_index != 0) {
1007: if (c->prompt_index == size)
1008: c->prompt_buffer[--c->prompt_index] = '\0';
1009: else {
1010: memmove(c->prompt_buffer + c->prompt_index - 1,
1011: c->prompt_buffer + c->prompt_index,
1012: size + 1 - c->prompt_index);
1013: c->prompt_index--;
1014: }
1015: c->flags |= CLIENT_STATUS;
1016: }
1017: break;
1.55 nicm 1018: case MODEKEYEDIT_DELETE:
1.105 nicm 1019: case MODEKEYEDIT_SWITCHMODESUBSTITUTE:
1.1 nicm 1020: if (c->prompt_index != size) {
1021: memmove(c->prompt_buffer + c->prompt_index,
1022: c->prompt_buffer + c->prompt_index + 1,
1023: size + 1 - c->prompt_index);
1.18 nicm 1024: c->flags |= CLIENT_STATUS;
1025: }
1.26 nicm 1026: break;
1027: case MODEKEYEDIT_DELETELINE:
1.105 nicm 1028: case MODEKEYEDIT_SWITCHMODESUBSTITUTELINE:
1.26 nicm 1029: *c->prompt_buffer = '\0';
1030: c->prompt_index = 0;
1031: c->flags |= CLIENT_STATUS;
1.18 nicm 1032: break;
1.20 nicm 1033: case MODEKEYEDIT_DELETETOENDOFLINE:
1.105 nicm 1034: case MODEKEYEDIT_SWITCHMODECHANGELINE:
1.18 nicm 1035: if (c->prompt_index < size) {
1036: c->prompt_buffer[c->prompt_index] = '\0';
1.1 nicm 1037: c->flags |= CLIENT_STATUS;
1038: }
1039: break;
1.81 nicm 1040: case MODEKEYEDIT_DELETEWORD:
1041: wsep = options_get_string(oo, "word-separators");
1042: idx = c->prompt_index;
1043:
1044: /* Find a non-separator. */
1045: while (idx != 0) {
1046: idx--;
1047: if (!strchr(wsep, c->prompt_buffer[idx]))
1048: break;
1049: }
1050:
1051: /* Find the separator at the beginning of the word. */
1052: while (idx != 0) {
1053: idx--;
1054: if (strchr(wsep, c->prompt_buffer[idx])) {
1055: /* Go back to the word. */
1056: idx++;
1057: break;
1058: }
1059: }
1060:
1061: memmove(c->prompt_buffer + idx,
1062: c->prompt_buffer + c->prompt_index,
1063: size + 1 - c->prompt_index);
1064: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1065: '\0', c->prompt_index - idx);
1066: c->prompt_index = idx;
1067: c->flags |= CLIENT_STATUS;
1068: break;
1.83 nicm 1069: case MODEKEYEDIT_NEXTSPACE:
1070: wsep = " ";
1071: /* FALLTHROUGH */
1.81 nicm 1072: case MODEKEYEDIT_NEXTWORD:
1.83 nicm 1073: if (wsep == NULL)
1074: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1075:
1076: /* Find a separator. */
1077: while (c->prompt_index != size) {
1078: c->prompt_index++;
1079: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1080: break;
1081: }
1082:
1083: /* Find the word right after the separation. */
1084: while (c->prompt_index != size) {
1085: c->prompt_index++;
1086: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1087: break;
1088: }
1089:
1090: c->flags |= CLIENT_STATUS;
1091: break;
1.83 nicm 1092: case MODEKEYEDIT_NEXTSPACEEND:
1093: wsep = " ";
1094: /* FALLTHROUGH */
1.81 nicm 1095: case MODEKEYEDIT_NEXTWORDEND:
1.83 nicm 1096: if (wsep == NULL)
1097: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1098:
1099: /* Find a word. */
1100: while (c->prompt_index != size) {
1101: c->prompt_index++;
1102: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1103: break;
1104: }
1105:
1106: /* Find the separator at the end of the word. */
1107: while (c->prompt_index != size) {
1108: c->prompt_index++;
1.82 nicm 1109: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1.81 nicm 1110: break;
1111: }
1.106 nicm 1112:
1113: /* Back up to the end-of-word like vi. */
1114: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1115: c->prompt_index != 0)
1116: c->prompt_index--;
1.81 nicm 1117:
1118: c->flags |= CLIENT_STATUS;
1119: break;
1.83 nicm 1120: case MODEKEYEDIT_PREVIOUSSPACE:
1121: wsep = " ";
1122: /* FALLTHROUGH */
1.81 nicm 1123: case MODEKEYEDIT_PREVIOUSWORD:
1.83 nicm 1124: if (wsep == NULL)
1125: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1126:
1127: /* Find a non-separator. */
1128: while (c->prompt_index != 0) {
1129: c->prompt_index--;
1130: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1131: break;
1132: }
1133:
1134: /* Find the separator at the beginning of the word. */
1135: while (c->prompt_index != 0) {
1136: c->prompt_index--;
1137: if (strchr(wsep, c->prompt_buffer[c->prompt_index])) {
1138: /* Go back to the word. */
1139: c->prompt_index++;
1140: break;
1141: }
1142: }
1143:
1144: c->flags |= CLIENT_STATUS;
1145: break;
1.20 nicm 1146: case MODEKEYEDIT_HISTORYUP:
1.66 nicm 1147: histstr = status_prompt_up_history(&c->prompt_hindex);
1148: if (histstr == NULL)
1.1 nicm 1149: break;
1.94 nicm 1150: free(c->prompt_buffer);
1.66 nicm 1151: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1152: c->prompt_index = strlen(c->prompt_buffer);
1153: c->flags |= CLIENT_STATUS;
1154: break;
1.20 nicm 1155: case MODEKEYEDIT_HISTORYDOWN:
1.66 nicm 1156: histstr = status_prompt_down_history(&c->prompt_hindex);
1157: if (histstr == NULL)
1.65 nicm 1158: break;
1.94 nicm 1159: free(c->prompt_buffer);
1.66 nicm 1160: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1161: c->prompt_index = strlen(c->prompt_buffer);
1162: c->flags |= CLIENT_STATUS;
1163: break;
1.20 nicm 1164: case MODEKEYEDIT_PASTE:
1.68 nicm 1165: if ((pb = paste_get_top(&global_buffers)) == NULL)
1.1 nicm 1166: break;
1.32 nicm 1167: for (n = 0; n < pb->size; n++) {
1.53 nicm 1168: ch = (u_char) pb->data[n];
1169: if (ch < 32 || ch == 127)
1.32 nicm 1170: break;
1171: }
1.1 nicm 1172:
1173: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + n + 1);
1174: if (c->prompt_index == size) {
1175: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1176: c->prompt_index += n;
1177: c->prompt_buffer[c->prompt_index] = '\0';
1178: } else {
1179: memmove(c->prompt_buffer + c->prompt_index + n,
1180: c->prompt_buffer + c->prompt_index,
1181: size + 1 - c->prompt_index);
1182: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1183: c->prompt_index += n;
1184: }
1185:
1186: c->flags |= CLIENT_STATUS;
1.30 nicm 1187: break;
1188: case MODEKEYEDIT_TRANSPOSECHARS:
1189: idx = c->prompt_index;
1190: if (idx < size)
1191: idx++;
1192: if (idx >= 2) {
1193: swapc = c->prompt_buffer[idx - 2];
1194: c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
1195: c->prompt_buffer[idx - 1] = swapc;
1196: c->prompt_index = idx;
1197: c->flags |= CLIENT_STATUS;
1198: }
1.1 nicm 1199: break;
1.55 nicm 1200: case MODEKEYEDIT_ENTER:
1.25 nicm 1201: if (*c->prompt_buffer != '\0')
1.65 nicm 1202: status_prompt_add_history(c->prompt_buffer);
1.25 nicm 1203: if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
1204: status_prompt_clear(c);
1205: break;
1.20 nicm 1206: case MODEKEYEDIT_CANCEL:
1.12 nicm 1207: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1208: status_prompt_clear(c);
1209: break;
1.20 nicm 1210: case MODEKEY_OTHER:
1.61 nicm 1211: if ((key & 0xff00) != 0 || key < 32 || key == 127)
1.1 nicm 1212: break;
1213: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 2);
1214:
1215: if (c->prompt_index == size) {
1216: c->prompt_buffer[c->prompt_index++] = key;
1217: c->prompt_buffer[c->prompt_index] = '\0';
1218: } else {
1219: memmove(c->prompt_buffer + c->prompt_index + 1,
1220: c->prompt_buffer + c->prompt_index,
1221: size + 1 - c->prompt_index);
1222: c->prompt_buffer[c->prompt_index++] = key;
1223: }
1224:
1225: if (c->prompt_flags & PROMPT_SINGLE) {
1.12 nicm 1226: if (c->prompt_callbackfn(
1.1 nicm 1227: c->prompt_data, c->prompt_buffer) == 0)
1228: status_prompt_clear(c);
1229: }
1230:
1231: c->flags |= CLIENT_STATUS;
1232: break;
1233: default:
1234: break;
1235: }
1236: }
1237:
1.65 nicm 1238: /* Get previous line from the history. */
1239: const char *
1240: status_prompt_up_history(u_int *idx)
1241: {
1242: u_int size;
1243:
1244: /*
1245: * History runs from 0 to size - 1.
1246: *
1247: * Index is from 0 to size. Zero is empty.
1248: */
1249:
1250: size = ARRAY_LENGTH(&status_prompt_history);
1251: if (size == 0 || *idx == size)
1252: return (NULL);
1253: (*idx)++;
1254: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1255: }
1256:
1257: /* Get next line from the history. */
1258: const char *
1259: status_prompt_down_history(u_int *idx)
1260: {
1261: u_int size;
1262:
1263: size = ARRAY_LENGTH(&status_prompt_history);
1264: if (size == 0 || *idx == 0)
1265: return ("");
1266: (*idx)--;
1267: if (*idx == 0)
1268: return ("");
1269: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1270: }
1271:
1.1 nicm 1272: /* Add line to the history. */
1273: void
1.65 nicm 1274: status_prompt_add_history(const char *line)
1.1 nicm 1275: {
1.65 nicm 1276: u_int size;
1277:
1278: size = ARRAY_LENGTH(&status_prompt_history);
1279: if (size > 0 && strcmp(ARRAY_LAST(&status_prompt_history), line) == 0)
1.1 nicm 1280: return;
1281:
1.65 nicm 1282: if (size == PROMPT_HISTORY) {
1.94 nicm 1283: free(ARRAY_FIRST(&status_prompt_history));
1.65 nicm 1284: ARRAY_REMOVE(&status_prompt_history, 0);
1.1 nicm 1285: }
1286:
1.65 nicm 1287: ARRAY_ADD(&status_prompt_history, xstrdup(line));
1.1 nicm 1288: }
1289:
1290: /* Complete word. */
1291: char *
1292: status_prompt_complete(const char *s)
1293: {
1.69 nicm 1294: const struct cmd_entry **cmdent;
1295: const struct options_table_entry *oe;
1296: ARRAY_DECL(, const char *) list;
1297: char *prefix, *s2;
1298: u_int i;
1299: size_t j;
1.1 nicm 1300:
1301: if (*s == '\0')
1302: return (NULL);
1303:
1304: /* First, build a list of all the possible matches. */
1305: ARRAY_INIT(&list);
1306: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1307: if (strncmp((*cmdent)->name, s, strlen(s)) == 0)
1308: ARRAY_ADD(&list, (*cmdent)->name);
1.56 nicm 1309: }
1.69 nicm 1310: for (oe = server_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 = session_options_table; oe->name != NULL; oe++) {
1315: if (strncmp(oe->name, s, strlen(s)) == 0)
1316: ARRAY_ADD(&list, oe->name);
1317: }
1318: for (oe = window_options_table; oe->name != NULL; oe++) {
1319: if (strncmp(oe->name, s, strlen(s)) == 0)
1320: ARRAY_ADD(&list, oe->name);
1.1 nicm 1321: }
1322:
1323: /* If none, bail now. */
1324: if (ARRAY_LENGTH(&list) == 0) {
1325: ARRAY_FREE(&list);
1326: return (NULL);
1327: }
1328:
1329: /* If an exact match, return it, with a trailing space. */
1330: if (ARRAY_LENGTH(&list) == 1) {
1331: xasprintf(&s2, "%s ", ARRAY_FIRST(&list));
1332: ARRAY_FREE(&list);
1333: return (s2);
1334: }
1335:
1336: /* Now loop through the list and find the longest common prefix. */
1337: prefix = xstrdup(ARRAY_FIRST(&list));
1338: for (i = 1; i < ARRAY_LENGTH(&list); i++) {
1339: s = ARRAY_ITEM(&list, i);
1340:
1341: j = strlen(s);
1342: if (j > strlen(prefix))
1343: j = strlen(prefix);
1344: for (; j > 0; j--) {
1345: if (prefix[j - 1] != s[j - 1])
1346: prefix[j - 1] = '\0';
1347: }
1348: }
1349:
1350: ARRAY_FREE(&list);
1351: return (prefix);
1352: }
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