Annotation of src/usr.bin/tmux/status.c, Revision 1.114
1.114 ! nicm 1: /* $OpenBSD: status.c,v 1.113 2014/04/17 07:36:45 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;
1.104 nicm 399: default:
400: xsnprintf(tmp, sizeof tmp, "#%c", *(*iptr - 1));
401: ptr = tmp;
402: goto do_replace;
1.46 nicm 403: }
404:
405: return;
1.55 nicm 406:
1.46 nicm 407: do_replace:
408: ptrlen = strlen(ptr);
409: if ((size_t) limit < ptrlen)
410: ptrlen = limit;
411:
412: if (*optr + ptrlen >= out + outsize - 1)
1.104 nicm 413: return;
1.46 nicm 414: while (ptrlen > 0 && *ptr != '\0') {
415: *(*optr)++ = *ptr++;
416: ptrlen--;
417: }
418:
419: return;
420:
421: skip_to:
422: *(*optr)++ = '#';
423:
424: (*iptr)--; /* include ch */
425: while (**iptr != ch && **iptr != '\0') {
426: if (*optr >= out + outsize - 1)
427: break;
428: *(*optr)++ = *(*iptr)++;
429: }
430: }
431:
432: /* Replace special sequences in fmt. */
433: char *
1.72 nicm 434: status_replace(struct client *c, struct session *s, struct winlink *wl,
435: struct window_pane *wp, const char *fmt, time_t t, int jobsflag)
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:
1.109 nicm 445: if (s == NULL && c != NULL)
1.96 nicm 446: s = c->session;
1.109 nicm 447: if (wl == NULL && s != NULL)
1.96 nicm 448: wl = s->curw;
1.109 nicm 449: if (wp == NULL && wl != NULL)
1.96 nicm 450: wp = wl->window->active;
451:
1.86 nicm 452: len = strftime(in, sizeof in, fmt, localtime(&t));
453: in[len] = '\0';
1.1 nicm 454:
455: iptr = in;
456: optr = out;
457:
458: while (*iptr != '\0') {
459: if (optr >= out + (sizeof out) - 1)
460: break;
1.46 nicm 461: ch = *iptr++;
462:
1.70 nicm 463: if (ch != '#' || *iptr == '\0') {
1.1 nicm 464: *optr++ = ch;
1.46 nicm 465: continue;
1.1 nicm 466: }
1.104 nicm 467: status_replace1(c, &iptr, &optr, out, sizeof out, jobsflag);
1.1 nicm 468: }
469: *optr = '\0';
470:
1.96 nicm 471: ft = format_create();
1.109 nicm 472: if (c != NULL)
473: format_client(ft, c);
474: if (s != NULL)
475: format_session(ft, s);
476: if (s != NULL && wl != NULL)
477: format_winlink(ft, s, wl);
478: if (wp != NULL)
479: format_window_pane(ft, wp);
1.99 nicm 480: expanded = format_expand(ft, out);
481: format_free(ft);
482: return (expanded);
1.1 nicm 483: }
484:
1.46 nicm 485: /* Figure out job name and get its result, starting it off if necessary. */
1.1 nicm 486: char *
1.71 nicm 487: status_find_job(struct client *c, char **iptr)
1.1 nicm 488: {
1.71 nicm 489: struct status_out *so, so_find;
490: char *cmd;
491: int lastesc;
492: size_t len;
1.1 nicm 493:
494: if (**iptr == '\0')
495: return (NULL);
496: if (**iptr == ')') { /* no command given */
497: (*iptr)++;
498: return (NULL);
499: }
500:
501: cmd = xmalloc(strlen(*iptr) + 1);
502: len = 0;
503:
504: lastesc = 0;
505: for (; **iptr != '\0'; (*iptr)++) {
506: if (!lastesc && **iptr == ')')
507: break; /* unescaped ) is the end */
508: if (!lastesc && **iptr == '\\') {
509: lastesc = 1;
510: continue; /* skip \ if not escaped */
511: }
512: lastesc = 0;
513: cmd[len++] = **iptr;
514: }
1.38 nicm 515: if (**iptr == '\0') /* no terminating ) */ {
1.94 nicm 516: free(cmd);
1.38 nicm 517: return (NULL);
518: }
1.1 nicm 519: (*iptr)++; /* skip final ) */
520: cmd[len] = '\0';
521:
1.71 nicm 522: /* First try in the new tree. */
523: so_find.cmd = cmd;
524: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
1.78 nicm 525: if (so != NULL && so->out != NULL) {
1.94 nicm 526: free(cmd);
1.71 nicm 527: return (so->out);
1.78 nicm 528: }
1.71 nicm 529:
530: /* If not found at all, start the job and add to the tree. */
531: if (so == NULL) {
1.103 nicm 532: job_run(cmd, NULL, status_job_callback, status_job_free, c);
1.71 nicm 533: c->references++;
534:
535: so = xmalloc(sizeof *so);
536: so->cmd = xstrdup(cmd);
537: so->out = NULL;
538: RB_INSERT(status_out_tree, &c->status_new, so);
539: }
540:
541: /* Lookup in the old tree. */
542: so_find.cmd = cmd;
543: so = RB_FIND(status_out_tree, &c->status_old, &so_find);
1.94 nicm 544: free(cmd);
1.71 nicm 545: if (so != NULL)
546: return (so->out);
547: return (NULL);
548: }
549:
550: /* Free job tree. */
551: void
552: status_free_jobs(struct status_out_tree *sotree)
553: {
554: struct status_out *so, *so_next;
555:
556: so_next = RB_MIN(status_out_tree, sotree);
557: while (so_next != NULL) {
558: so = so_next;
559: so_next = RB_NEXT(status_out_tree, sotree, so);
560:
561: RB_REMOVE(status_out_tree, sotree, so);
1.94 nicm 562: free(so->out);
563: free(so->cmd);
564: free(so);
1.38 nicm 565: }
1.71 nicm 566: }
567:
568: /* Update jobs on status interval. */
569: void
570: status_update_jobs(struct client *c)
571: {
572: /* Free the old tree. */
573: status_free_jobs(&c->status_old);
574:
575: /* Move the new to old. */
576: memcpy(&c->status_old, &c->status_new, sizeof c->status_old);
577: RB_INIT(&c->status_new);
578: }
579:
580: /* Free status job. */
581: void
582: status_job_free(void *data)
583: {
584: struct client *c = data;
585:
586: c->references--;
1.38 nicm 587: }
1.1 nicm 588:
1.46 nicm 589: /* Job has finished: save its result. */
1.38 nicm 590: void
591: status_job_callback(struct job *job)
592: {
1.71 nicm 593: struct client *c = job->data;
594: struct status_out *so, so_find;
595: char *line, *buf;
596: size_t len;
597:
598: if (c->flags & CLIENT_DEAD)
599: return;
600:
601: so_find.cmd = job->cmd;
602: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
603: if (so == NULL || so->out != NULL)
604: return;
1.38 nicm 605:
1.41 nicm 606: buf = NULL;
607: if ((line = evbuffer_readline(job->event->input)) == NULL) {
608: len = EVBUFFER_LENGTH(job->event->input);
609: buf = xmalloc(len + 1);
610: if (len != 0)
611: memcpy(buf, EVBUFFER_DATA(job->event->input), len);
612: buf[len] = '\0';
1.71 nicm 613: } else
1.102 nicm 614: buf = line;
1.1 nicm 615:
1.71 nicm 616: so->out = buf;
1.75 nicm 617: server_status_client(c);
1.1 nicm 618: }
619:
1.46 nicm 620: /* Return winlink status line entry and adjust gc as necessary. */
1.1 nicm 621: char *
1.47 nicm 622: status_print(
623: struct client *c, struct winlink *wl, time_t t, struct grid_cell *gc)
1.1 nicm 624: {
1.33 nicm 625: struct options *oo = &wl->window->options;
1.47 nicm 626: struct session *s = c->session;
627: const char *fmt;
628: char *text;
1.1 nicm 629:
1.108 nicm 630: style_apply_update(gc, oo, "window-status-style");
1.47 nicm 631: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 632: if (wl == s->curw) {
1.108 nicm 633: style_apply_update(gc, oo, "window-status-current-style");
1.47 nicm 634: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 635: }
1.108 nicm 636: if (wl == TAILQ_FIRST(&s->lastw))
637: style_apply_update(gc, oo, "window-status-last-style");
638:
639: if (wl->flags & WINLINK_BELL)
640: style_apply_update(gc, oo, "window-status-bell-style");
641: else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
642: style_apply_update(gc, oo, "window-status-activity-style");
1.1 nicm 643:
1.72 nicm 644: text = status_replace(c, NULL, wl, NULL, fmt, t, 1);
1.1 nicm 645: return (text);
646: }
647:
1.46 nicm 648: /* Set a status line message. */
1.10 nicm 649: void printflike2
650: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 651: {
1.44 nicm 652: struct timeval tv;
653: struct message_entry *msg;
654: va_list ap;
655: int delay;
656: u_int i, limit;
1.1 nicm 657:
1.12 nicm 658: status_prompt_clear(c);
659: status_message_clear(c);
660:
1.28 nicm 661: va_start(ap, fmt);
662: xvasprintf(&c->message_string, fmt, ap);
663: va_end(ap);
664:
1.44 nicm 665: ARRAY_EXPAND(&c->message_log, 1);
666: msg = &ARRAY_LAST(&c->message_log);
667: msg->msg_time = time(NULL);
668: msg->msg = xstrdup(c->message_string);
669:
1.111 nicm 670: limit = options_get_number(&global_options, "message-limit");
1.50 nicm 671: if (ARRAY_LENGTH(&c->message_log) > limit) {
672: limit = ARRAY_LENGTH(&c->message_log) - limit;
673: for (i = 0; i < limit; i++) {
674: msg = &ARRAY_FIRST(&c->message_log);
1.94 nicm 675: free(msg->msg);
1.50 nicm 676: ARRAY_REMOVE(&c->message_log, 0);
677: }
1.44 nicm 678: }
679:
1.1 nicm 680: delay = options_get_number(&c->session->options, "display-time");
681: tv.tv_sec = delay / 1000;
682: tv.tv_usec = (delay % 1000) * 1000L;
1.44 nicm 683:
1.110 nicm 684: if (event_initialized(&c->message_timer))
1.90 nicm 685: evtimer_del(&c->message_timer);
1.42 nicm 686: evtimer_set(&c->message_timer, status_message_callback, c);
687: evtimer_add(&c->message_timer, &tv);
1.1 nicm 688:
689: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
690: c->flags |= CLIENT_STATUS;
691: }
692:
1.46 nicm 693: /* Clear status line message. */
1.1 nicm 694: void
695: status_message_clear(struct client *c)
696: {
697: if (c->message_string == NULL)
698: return;
699:
1.94 nicm 700: free(c->message_string);
1.1 nicm 701: c->message_string = NULL;
702:
703: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 704: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 705:
706: screen_reinit(&c->status);
1.42 nicm 707: }
708:
1.46 nicm 709: /* Clear status line message after timer expires. */
1.42 nicm 710: void
711: status_message_callback(unused int fd, unused short event, void *data)
712: {
713: struct client *c = data;
714:
715: status_message_clear(c);
1.1 nicm 716: }
717:
718: /* Draw client message on status line of present else on last line. */
719: int
720: status_message_redraw(struct client *c)
721: {
722: struct screen_write_ctx ctx;
723: struct session *s = c->session;
724: struct screen old_status;
725: size_t len;
726: struct grid_cell gc;
1.51 nicm 727: int utf8flag;
1.1 nicm 728:
729: if (c->tty.sx == 0 || c->tty.sy == 0)
730: return (0);
731: memcpy(&old_status, &c->status, sizeof old_status);
732: screen_init(&c->status, c->tty.sx, 1, 0);
733:
1.51 nicm 734: utf8flag = options_get_number(&s->options, "status-utf8");
735:
736: len = screen_write_strlen(utf8flag, "%s", c->message_string);
1.1 nicm 737: if (len > c->tty.sx)
738: len = c->tty.sx;
739:
1.108 nicm 740: style_apply(&gc, &s->options, "message-style");
1.1 nicm 741:
742: screen_write_start(&ctx, NULL, &c->status);
743:
744: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 745: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->message_string);
1.1 nicm 746: for (; len < c->tty.sx; len++)
747: screen_write_putc(&ctx, &gc, ' ');
748:
749: screen_write_stop(&ctx);
750:
751: if (grid_compare(c->status.grid, old_status.grid) == 0) {
752: screen_free(&old_status);
753: return (0);
754: }
755: screen_free(&old_status);
756: return (1);
757: }
758:
1.46 nicm 759: /* Enable status line prompt. */
1.1 nicm 760: void
1.76 nicm 761: status_prompt_set(struct client *c, const char *msg, const char *input,
1.12 nicm 762: int (*callbackfn)(void *, const char *), void (*freefn)(void *),
763: void *data, int flags)
1.1 nicm 764: {
1.20 nicm 765: int keys;
766:
1.12 nicm 767: status_message_clear(c);
768: status_prompt_clear(c);
769:
1.77 nicm 770: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
771: time(NULL), 0);
1.1 nicm 772:
1.77 nicm 773: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
774: time(NULL), 0);
1.76 nicm 775: c->prompt_index = strlen(c->prompt_buffer);
1.1 nicm 776:
1.12 nicm 777: c->prompt_callbackfn = callbackfn;
778: c->prompt_freefn = freefn;
1.1 nicm 779: c->prompt_data = data;
780:
781: c->prompt_hindex = 0;
782:
783: c->prompt_flags = flags;
784:
1.20 nicm 785: keys = options_get_number(&c->session->options, "status-keys");
786: if (keys == MODEKEY_EMACS)
1.21 nicm 787: mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
1.20 nicm 788: else
1.21 nicm 789: mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
1.1 nicm 790:
791: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
792: c->flags |= CLIENT_STATUS;
793: }
794:
1.46 nicm 795: /* Remove status line prompt. */
1.1 nicm 796: void
797: status_prompt_clear(struct client *c)
798: {
1.55 nicm 799: if (c->prompt_string == NULL)
1.1 nicm 800: return;
801:
1.12 nicm 802: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
803: c->prompt_freefn(c->prompt_data);
1.1 nicm 804:
1.94 nicm 805: free(c->prompt_string);
1.1 nicm 806: c->prompt_string = NULL;
807:
1.94 nicm 808: free(c->prompt_buffer);
1.1 nicm 809: c->prompt_buffer = NULL;
810:
811: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 812: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 813:
814: screen_reinit(&c->status);
1.27 nicm 815: }
816:
1.46 nicm 817: /* Update status line prompt with a new prompt string. */
1.27 nicm 818: void
1.76 nicm 819: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 820: {
1.94 nicm 821: free(c->prompt_string);
1.77 nicm 822: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
823: time(NULL), 0);
1.27 nicm 824:
1.94 nicm 825: free(c->prompt_buffer);
1.77 nicm 826: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
827: time(NULL), 0);
1.76 nicm 828: c->prompt_index = strlen(c->prompt_buffer);
1.27 nicm 829:
830: c->prompt_hindex = 0;
831:
832: c->flags |= CLIENT_STATUS;
1.1 nicm 833: }
834:
835: /* Draw client prompt on status line of present else on last line. */
836: int
837: status_prompt_redraw(struct client *c)
838: {
1.51 nicm 839: struct screen_write_ctx ctx;
1.1 nicm 840: struct session *s = c->session;
841: struct screen old_status;
1.29 nicm 842: size_t i, size, left, len, off;
1.51 nicm 843: struct grid_cell gc, *gcp;
844: int utf8flag;
1.1 nicm 845:
846: if (c->tty.sx == 0 || c->tty.sy == 0)
847: return (0);
848: memcpy(&old_status, &c->status, sizeof old_status);
849: screen_init(&c->status, c->tty.sx, 1, 0);
850:
1.51 nicm 851: utf8flag = options_get_number(&s->options, "status-utf8");
852:
853: len = screen_write_strlen(utf8flag, "%s", c->prompt_string);
1.1 nicm 854: if (len > c->tty.sx)
855: len = c->tty.sx;
1.51 nicm 856: off = 0;
1.1 nicm 857:
1.79 nicm 858: /* Change colours for command mode. */
1.108 nicm 859: if (c->prompt_mdata.mode == 1)
860: style_apply(&gc, &s->options, "message-command-style");
861: else
862: style_apply(&gc, &s->options, "message-style");
1.1 nicm 863:
864: screen_write_start(&ctx, NULL, &c->status);
865:
866: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 867: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->prompt_string);
1.1 nicm 868:
869: left = c->tty.sx - len;
870: if (left != 0) {
1.51 nicm 871: size = screen_write_strlen(utf8flag, "%s", c->prompt_buffer);
872: if (c->prompt_index >= left) {
1.17 nicm 873: off = c->prompt_index - left + 1;
1.51 nicm 874: if (c->prompt_index == size)
1.1 nicm 875: left--;
876: size = left;
877: }
1.51 nicm 878: screen_write_nputs(
879: &ctx, left, &gc, utf8flag, "%s", c->prompt_buffer + off);
1.1 nicm 880:
1.55 nicm 881: for (i = len + size; i < c->tty.sx; i++)
882: screen_write_putc(&ctx, &gc, ' ');
1.1 nicm 883: }
884:
885: screen_write_stop(&ctx);
1.51 nicm 886:
887: /* Apply fake cursor. */
888: off = len + c->prompt_index - off;
889: gcp = grid_view_get_cell(c->status.grid, off, 0);
890: gcp->attr ^= GRID_ATTR_REVERSE;
1.1 nicm 891:
892: if (grid_compare(c->status.grid, old_status.grid) == 0) {
893: screen_free(&old_status);
894: return (0);
895: }
896: screen_free(&old_status);
897: return (1);
898: }
899:
900: /* Handle keys in prompt. */
901: void
902: status_prompt_key(struct client *c, int key)
903: {
1.81 nicm 904: struct session *sess = c->session;
905: struct options *oo = &sess->options;
1.1 nicm 906: struct paste_buffer *pb;
1.81 nicm 907: char *s, *first, *last, word[64], swapc;
908: const char *histstr;
1.83 nicm 909: const char *wsep = NULL;
1.53 nicm 910: u_char ch;
1.1 nicm 911: size_t size, n, off, idx;
912:
913: size = strlen(c->prompt_buffer);
1.101 nicm 914: switch (mode_key_lookup(&c->prompt_mdata, key, NULL)) {
1.20 nicm 915: case MODEKEYEDIT_CURSORLEFT:
1.1 nicm 916: if (c->prompt_index > 0) {
917: c->prompt_index--;
918: c->flags |= CLIENT_STATUS;
919: }
920: break;
1.79 nicm 921: case MODEKEYEDIT_SWITCHMODE:
922: c->flags |= CLIENT_STATUS;
923: break;
1.20 nicm 924: case MODEKEYEDIT_SWITCHMODEAPPEND:
1.79 nicm 925: c->flags |= CLIENT_STATUS;
926: /* FALLTHROUGH */
1.20 nicm 927: case MODEKEYEDIT_CURSORRIGHT:
1.1 nicm 928: if (c->prompt_index < size) {
929: c->prompt_index++;
930: c->flags |= CLIENT_STATUS;
931: }
932: break;
1.89 nicm 933: case MODEKEYEDIT_SWITCHMODEBEGINLINE:
934: c->flags |= CLIENT_STATUS;
935: /* FALLTHROUGH */
1.20 nicm 936: case MODEKEYEDIT_STARTOFLINE:
1.1 nicm 937: if (c->prompt_index != 0) {
938: c->prompt_index = 0;
939: c->flags |= CLIENT_STATUS;
940: }
941: break;
1.89 nicm 942: case MODEKEYEDIT_SWITCHMODEAPPENDLINE:
943: c->flags |= CLIENT_STATUS;
944: /* FALLTHROUGH */
1.20 nicm 945: case MODEKEYEDIT_ENDOFLINE:
1.1 nicm 946: if (c->prompt_index != size) {
947: c->prompt_index = size;
948: c->flags |= CLIENT_STATUS;
949: }
950: break;
1.20 nicm 951: case MODEKEYEDIT_COMPLETE:
1.1 nicm 952: if (*c->prompt_buffer == '\0')
953: break;
954:
955: idx = c->prompt_index;
956: if (idx != 0)
957: idx--;
958:
959: /* Find the word we are in. */
960: first = c->prompt_buffer + idx;
961: while (first > c->prompt_buffer && *first != ' ')
962: first--;
963: while (*first == ' ')
964: first++;
965: last = c->prompt_buffer + idx;
966: while (*last != '\0' && *last != ' ')
967: last++;
968: while (*last == ' ')
969: last--;
970: if (*last != '\0')
971: last++;
972: if (last <= first ||
973: ((size_t) (last - first)) > (sizeof word) - 1)
974: break;
975: memcpy(word, first, last - first);
976: word[last - first] = '\0';
977:
978: /* And try to complete it. */
979: if ((s = status_prompt_complete(word)) == NULL)
980: break;
981:
982: /* Trim out word. */
983: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
984: memmove(first, last, n);
985: size -= last - first;
986:
987: /* Insert the new word. */
1.55 nicm 988: size += strlen(s);
1.1 nicm 989: off = first - c->prompt_buffer;
1.55 nicm 990: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 1);
1.1 nicm 991: first = c->prompt_buffer + off;
1.55 nicm 992: memmove(first + strlen(s), first, n);
993: memcpy(first, s, strlen(s));
1.1 nicm 994:
995: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 996: free(s);
1.1 nicm 997:
998: c->flags |= CLIENT_STATUS;
999: break;
1.20 nicm 1000: case MODEKEYEDIT_BACKSPACE:
1.1 nicm 1001: if (c->prompt_index != 0) {
1002: if (c->prompt_index == size)
1003: c->prompt_buffer[--c->prompt_index] = '\0';
1004: else {
1005: memmove(c->prompt_buffer + c->prompt_index - 1,
1006: c->prompt_buffer + c->prompt_index,
1007: size + 1 - c->prompt_index);
1008: c->prompt_index--;
1009: }
1010: c->flags |= CLIENT_STATUS;
1011: }
1012: break;
1.55 nicm 1013: case MODEKEYEDIT_DELETE:
1.105 nicm 1014: case MODEKEYEDIT_SWITCHMODESUBSTITUTE:
1.1 nicm 1015: if (c->prompt_index != size) {
1016: memmove(c->prompt_buffer + c->prompt_index,
1017: c->prompt_buffer + c->prompt_index + 1,
1018: size + 1 - c->prompt_index);
1.18 nicm 1019: c->flags |= CLIENT_STATUS;
1020: }
1.26 nicm 1021: break;
1022: case MODEKEYEDIT_DELETELINE:
1.105 nicm 1023: case MODEKEYEDIT_SWITCHMODESUBSTITUTELINE:
1.26 nicm 1024: *c->prompt_buffer = '\0';
1025: c->prompt_index = 0;
1026: c->flags |= CLIENT_STATUS;
1.18 nicm 1027: break;
1.20 nicm 1028: case MODEKEYEDIT_DELETETOENDOFLINE:
1.105 nicm 1029: case MODEKEYEDIT_SWITCHMODECHANGELINE:
1.18 nicm 1030: if (c->prompt_index < size) {
1031: c->prompt_buffer[c->prompt_index] = '\0';
1.1 nicm 1032: c->flags |= CLIENT_STATUS;
1033: }
1034: break;
1.81 nicm 1035: case MODEKEYEDIT_DELETEWORD:
1036: wsep = options_get_string(oo, "word-separators");
1037: idx = c->prompt_index;
1038:
1039: /* Find a non-separator. */
1040: while (idx != 0) {
1041: idx--;
1042: if (!strchr(wsep, c->prompt_buffer[idx]))
1043: break;
1044: }
1045:
1046: /* Find the separator at the beginning of the word. */
1047: while (idx != 0) {
1048: idx--;
1049: if (strchr(wsep, c->prompt_buffer[idx])) {
1050: /* Go back to the word. */
1051: idx++;
1052: break;
1053: }
1054: }
1055:
1056: memmove(c->prompt_buffer + idx,
1057: c->prompt_buffer + c->prompt_index,
1058: size + 1 - c->prompt_index);
1059: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1060: '\0', c->prompt_index - idx);
1061: c->prompt_index = idx;
1062: c->flags |= CLIENT_STATUS;
1063: break;
1.83 nicm 1064: case MODEKEYEDIT_NEXTSPACE:
1065: wsep = " ";
1066: /* FALLTHROUGH */
1.81 nicm 1067: case MODEKEYEDIT_NEXTWORD:
1.83 nicm 1068: if (wsep == NULL)
1069: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1070:
1071: /* Find a separator. */
1072: while (c->prompt_index != size) {
1073: c->prompt_index++;
1074: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1075: break;
1076: }
1077:
1078: /* Find the word right after the separation. */
1079: while (c->prompt_index != size) {
1080: c->prompt_index++;
1081: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1082: break;
1083: }
1084:
1085: c->flags |= CLIENT_STATUS;
1086: break;
1.83 nicm 1087: case MODEKEYEDIT_NEXTSPACEEND:
1088: wsep = " ";
1089: /* FALLTHROUGH */
1.81 nicm 1090: case MODEKEYEDIT_NEXTWORDEND:
1.83 nicm 1091: if (wsep == NULL)
1092: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1093:
1094: /* Find a word. */
1095: while (c->prompt_index != size) {
1096: c->prompt_index++;
1097: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1098: break;
1099: }
1100:
1101: /* Find the separator at the end of the word. */
1102: while (c->prompt_index != size) {
1103: c->prompt_index++;
1.82 nicm 1104: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1.81 nicm 1105: break;
1106: }
1.106 nicm 1107:
1108: /* Back up to the end-of-word like vi. */
1109: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1110: c->prompt_index != 0)
1111: c->prompt_index--;
1.81 nicm 1112:
1113: c->flags |= CLIENT_STATUS;
1114: break;
1.83 nicm 1115: case MODEKEYEDIT_PREVIOUSSPACE:
1116: wsep = " ";
1117: /* FALLTHROUGH */
1.81 nicm 1118: case MODEKEYEDIT_PREVIOUSWORD:
1.83 nicm 1119: if (wsep == NULL)
1120: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1121:
1122: /* Find a non-separator. */
1123: while (c->prompt_index != 0) {
1124: c->prompt_index--;
1125: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1126: break;
1127: }
1128:
1129: /* Find the separator at the beginning of the word. */
1130: while (c->prompt_index != 0) {
1131: c->prompt_index--;
1132: if (strchr(wsep, c->prompt_buffer[c->prompt_index])) {
1133: /* Go back to the word. */
1134: c->prompt_index++;
1135: break;
1136: }
1137: }
1138:
1139: c->flags |= CLIENT_STATUS;
1140: break;
1.20 nicm 1141: case MODEKEYEDIT_HISTORYUP:
1.66 nicm 1142: histstr = status_prompt_up_history(&c->prompt_hindex);
1143: if (histstr == NULL)
1.1 nicm 1144: break;
1.94 nicm 1145: free(c->prompt_buffer);
1.66 nicm 1146: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1147: c->prompt_index = strlen(c->prompt_buffer);
1148: c->flags |= CLIENT_STATUS;
1149: break;
1.20 nicm 1150: case MODEKEYEDIT_HISTORYDOWN:
1.66 nicm 1151: histstr = status_prompt_down_history(&c->prompt_hindex);
1152: if (histstr == NULL)
1.65 nicm 1153: break;
1.94 nicm 1154: free(c->prompt_buffer);
1.66 nicm 1155: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1156: c->prompt_index = strlen(c->prompt_buffer);
1157: c->flags |= CLIENT_STATUS;
1158: break;
1.20 nicm 1159: case MODEKEYEDIT_PASTE:
1.114 ! nicm 1160: if ((pb = paste_get_top()) == NULL)
1.1 nicm 1161: break;
1.32 nicm 1162: for (n = 0; n < pb->size; n++) {
1.53 nicm 1163: ch = (u_char) pb->data[n];
1164: if (ch < 32 || ch == 127)
1.32 nicm 1165: break;
1166: }
1.1 nicm 1167:
1168: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + n + 1);
1169: if (c->prompt_index == size) {
1170: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1171: c->prompt_index += n;
1172: c->prompt_buffer[c->prompt_index] = '\0';
1173: } else {
1174: memmove(c->prompt_buffer + c->prompt_index + n,
1175: c->prompt_buffer + c->prompt_index,
1176: size + 1 - c->prompt_index);
1177: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1178: c->prompt_index += n;
1179: }
1180:
1181: c->flags |= CLIENT_STATUS;
1.30 nicm 1182: break;
1183: case MODEKEYEDIT_TRANSPOSECHARS:
1184: idx = c->prompt_index;
1185: if (idx < size)
1186: idx++;
1187: if (idx >= 2) {
1188: swapc = c->prompt_buffer[idx - 2];
1189: c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
1190: c->prompt_buffer[idx - 1] = swapc;
1191: c->prompt_index = idx;
1192: c->flags |= CLIENT_STATUS;
1193: }
1.1 nicm 1194: break;
1.55 nicm 1195: case MODEKEYEDIT_ENTER:
1.25 nicm 1196: if (*c->prompt_buffer != '\0')
1.65 nicm 1197: status_prompt_add_history(c->prompt_buffer);
1.25 nicm 1198: if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
1199: status_prompt_clear(c);
1200: break;
1.20 nicm 1201: case MODEKEYEDIT_CANCEL:
1.12 nicm 1202: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1203: status_prompt_clear(c);
1204: break;
1.20 nicm 1205: case MODEKEY_OTHER:
1.61 nicm 1206: if ((key & 0xff00) != 0 || key < 32 || key == 127)
1.1 nicm 1207: break;
1208: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 2);
1209:
1210: if (c->prompt_index == size) {
1211: c->prompt_buffer[c->prompt_index++] = key;
1212: c->prompt_buffer[c->prompt_index] = '\0';
1213: } else {
1214: memmove(c->prompt_buffer + c->prompt_index + 1,
1215: c->prompt_buffer + c->prompt_index,
1216: size + 1 - c->prompt_index);
1217: c->prompt_buffer[c->prompt_index++] = key;
1218: }
1219:
1220: if (c->prompt_flags & PROMPT_SINGLE) {
1.12 nicm 1221: if (c->prompt_callbackfn(
1.1 nicm 1222: c->prompt_data, c->prompt_buffer) == 0)
1223: status_prompt_clear(c);
1224: }
1225:
1226: c->flags |= CLIENT_STATUS;
1227: break;
1228: default:
1229: break;
1230: }
1231: }
1232:
1.65 nicm 1233: /* Get previous line from the history. */
1234: const char *
1235: status_prompt_up_history(u_int *idx)
1236: {
1237: u_int size;
1238:
1239: /*
1240: * History runs from 0 to size - 1.
1241: *
1242: * Index is from 0 to size. Zero is empty.
1243: */
1244:
1245: size = ARRAY_LENGTH(&status_prompt_history);
1246: if (size == 0 || *idx == size)
1247: return (NULL);
1248: (*idx)++;
1249: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1250: }
1251:
1252: /* Get next line from the history. */
1253: const char *
1254: status_prompt_down_history(u_int *idx)
1255: {
1256: u_int size;
1257:
1258: size = ARRAY_LENGTH(&status_prompt_history);
1259: if (size == 0 || *idx == 0)
1260: return ("");
1261: (*idx)--;
1262: if (*idx == 0)
1263: return ("");
1264: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1265: }
1266:
1.1 nicm 1267: /* Add line to the history. */
1268: void
1.65 nicm 1269: status_prompt_add_history(const char *line)
1.1 nicm 1270: {
1.65 nicm 1271: u_int size;
1272:
1273: size = ARRAY_LENGTH(&status_prompt_history);
1274: if (size > 0 && strcmp(ARRAY_LAST(&status_prompt_history), line) == 0)
1.1 nicm 1275: return;
1276:
1.65 nicm 1277: if (size == PROMPT_HISTORY) {
1.94 nicm 1278: free(ARRAY_FIRST(&status_prompt_history));
1.65 nicm 1279: ARRAY_REMOVE(&status_prompt_history, 0);
1.1 nicm 1280: }
1281:
1.65 nicm 1282: ARRAY_ADD(&status_prompt_history, xstrdup(line));
1.1 nicm 1283: }
1284:
1285: /* Complete word. */
1286: char *
1287: status_prompt_complete(const char *s)
1288: {
1.69 nicm 1289: const struct cmd_entry **cmdent;
1290: const struct options_table_entry *oe;
1291: ARRAY_DECL(, const char *) list;
1292: char *prefix, *s2;
1293: u_int i;
1294: size_t j;
1.1 nicm 1295:
1296: if (*s == '\0')
1297: return (NULL);
1298:
1299: /* First, build a list of all the possible matches. */
1300: ARRAY_INIT(&list);
1301: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1302: if (strncmp((*cmdent)->name, s, strlen(s)) == 0)
1303: ARRAY_ADD(&list, (*cmdent)->name);
1.56 nicm 1304: }
1.69 nicm 1305: for (oe = server_options_table; oe->name != NULL; oe++) {
1306: if (strncmp(oe->name, s, strlen(s)) == 0)
1307: ARRAY_ADD(&list, oe->name);
1308: }
1309: for (oe = session_options_table; oe->name != NULL; oe++) {
1310: if (strncmp(oe->name, s, strlen(s)) == 0)
1311: ARRAY_ADD(&list, oe->name);
1312: }
1313: for (oe = window_options_table; oe->name != NULL; oe++) {
1314: if (strncmp(oe->name, s, strlen(s)) == 0)
1315: ARRAY_ADD(&list, oe->name);
1.1 nicm 1316: }
1317:
1318: /* If none, bail now. */
1319: if (ARRAY_LENGTH(&list) == 0) {
1320: ARRAY_FREE(&list);
1321: return (NULL);
1322: }
1323:
1324: /* If an exact match, return it, with a trailing space. */
1325: if (ARRAY_LENGTH(&list) == 1) {
1326: xasprintf(&s2, "%s ", ARRAY_FIRST(&list));
1327: ARRAY_FREE(&list);
1328: return (s2);
1329: }
1330:
1331: /* Now loop through the list and find the longest common prefix. */
1332: prefix = xstrdup(ARRAY_FIRST(&list));
1333: for (i = 1; i < ARRAY_LENGTH(&list); i++) {
1334: s = ARRAY_ITEM(&list, i);
1335:
1336: j = strlen(s);
1337: if (j > strlen(prefix))
1338: j = strlen(prefix);
1339: for (; j > 0; j--) {
1340: if (prefix[j - 1] != s[j - 1])
1341: prefix[j - 1] = '\0';
1342: }
1343: }
1344:
1345: ARRAY_FREE(&list);
1346: return (prefix);
1347: }
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