Annotation of src/usr.bin/tmux/status.c, Revision 1.119
1.119 ! sthen 1: /* $OpenBSD: status.c,v 1.118 2014/11/05 23:15:11 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;
1.115 nicm 124: struct options *oo;
125: size_t len;
1.73 nicm 126:
1.88 nicm 127: x += c->wlmouse;
1.73 nicm 128: RB_FOREACH(wl, winlinks, &s->windows) {
1.115 nicm 129: oo = &wl->window->options;
130:
131: len = strlen(options_get_string(oo, "window-status-separator"));
1.107 nicm 132: if (x < wl->status_width && session_select(s, wl->idx) == 0)
1.73 nicm 133: server_redraw_session(s);
1.115 nicm 134: x -= wl->status_width + len;
1.73 nicm 135: }
136: }
137:
1.1 nicm 138: /* Draw status for client on the last lines of given context. */
139: int
140: status_redraw(struct client *c)
141: {
1.48 nicm 142: struct screen_write_ctx ctx;
143: struct session *s = c->session;
144: struct winlink *wl;
145: struct screen old_status, window_list;
146: struct grid_cell stdgc, lgc, rgc, gc;
1.91 nicm 147: struct options *oo;
1.48 nicm 148: time_t t;
1.91 nicm 149: char *left, *right, *sep;
1.48 nicm 150: u_int offset, needed;
151: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
1.91 nicm 152: size_t llen, rlen, seplen;
1.48 nicm 153: int larrow, rarrow, utf8flag;
1.1 nicm 154:
1.49 nicm 155: /* No status line? */
1.7 nicm 156: if (c->tty.sy == 0 || !options_get_number(&s->options, "status"))
157: return (1);
1.48 nicm 158: left = right = NULL;
1.7 nicm 159: larrow = rarrow = 0;
1.1 nicm 160:
1.48 nicm 161: /* Update status timer. */
1.1 nicm 162: if (gettimeofday(&c->status_timer, NULL) != 0)
1.34 nicm 163: fatal("gettimeofday failed");
1.48 nicm 164: t = c->status_timer.tv_sec;
165:
166: /* Set up default colour. */
1.108 nicm 167: style_apply(&stdgc, &s->options, "status-style");
1.1 nicm 168:
1.48 nicm 169: /* Create the target screen. */
170: memcpy(&old_status, &c->status, sizeof old_status);
171: screen_init(&c->status, c->tty.sx, 1, 0);
172: screen_write_start(&ctx, NULL, &c->status);
173: for (offset = 0; offset < c->tty.sx; offset++)
174: screen_write_putc(&ctx, &stdgc, ' ');
175: screen_write_stop(&ctx);
176:
177: /* If the height is one line, blank status line. */
178: if (c->tty.sy <= 1)
179: goto out;
1.1 nicm 180:
1.48 nicm 181: /* Get UTF-8 flag. */
1.3 nicm 182: utf8flag = options_get_number(&s->options, "status-utf8");
183:
1.48 nicm 184: /* Work out left and right strings. */
185: memcpy(&lgc, &stdgc, sizeof lgc);
186: left = status_redraw_get_left(c, t, utf8flag, &lgc, &llen);
187: memcpy(&rgc, &stdgc, sizeof rgc);
188: right = status_redraw_get_right(c, t, utf8flag, &rgc, &rlen);
1.1 nicm 189:
190: /*
1.48 nicm 191: * Figure out how much space we have for the window list. If there
192: * isn't enough space, just show a blank status line.
1.1 nicm 193: */
1.55 nicm 194: needed = 0;
1.1 nicm 195: if (llen != 0)
1.118 nicm 196: needed += llen;
1.1 nicm 197: if (rlen != 0)
1.118 nicm 198: needed += rlen;
1.48 nicm 199: if (c->tty.sx == 0 || c->tty.sx <= needed)
200: goto out;
201: wlavailable = c->tty.sx - needed;
1.1 nicm 202:
1.48 nicm 203: /* Calculate the total size needed for the window list. */
204: wlstart = wloffset = wlwidth = 0;
1.1 nicm 205: RB_FOREACH(wl, winlinks, &s->windows) {
1.94 nicm 206: free(wl->status_text);
1.48 nicm 207: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
208: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.55 nicm 209: wl->status_width =
1.48 nicm 210: screen_write_cstrlen(utf8flag, "%s", wl->status_text);
211:
1.1 nicm 212: if (wl == s->curw)
1.48 nicm 213: wloffset = wlwidth;
1.91 nicm 214:
215: oo = &wl->window->options;
216: sep = options_get_string(oo, "window-status-separator");
217: seplen = screen_write_strlen(utf8flag, "%s", sep);
218: wlwidth += wl->status_width + seplen;
1.48 nicm 219: }
220:
221: /* Create a new screen for the window list. */
222: screen_init(&window_list, wlwidth, 1, 0);
223:
224: /* And draw the window list into it. */
225: screen_write_start(&ctx, NULL, &window_list);
226: RB_FOREACH(wl, winlinks, &s->windows) {
1.55 nicm 227: screen_write_cnputs(&ctx,
1.48 nicm 228: -1, &wl->status_cell, utf8flag, "%s", wl->status_text);
1.91 nicm 229:
230: oo = &wl->window->options;
231: sep = options_get_string(oo, "window-status-separator");
232: screen_write_nputs(&ctx, -1, &stdgc, utf8flag, "%s", sep);
1.1 nicm 233: }
1.48 nicm 234: screen_write_stop(&ctx);
1.1 nicm 235:
1.48 nicm 236: /* If there is enough space for the total width, skip to draw now. */
237: if (wlwidth <= wlavailable)
1.1 nicm 238: goto draw;
239:
240: /* Find size of current window text. */
1.48 nicm 241: wlsize = s->curw->status_width;
1.1 nicm 242:
243: /*
1.48 nicm 244: * If the current window is already on screen, good to draw from the
1.1 nicm 245: * start and just leave off the end.
246: */
1.48 nicm 247: if (wloffset + wlsize < wlavailable) {
248: if (wlavailable > 0) {
249: rarrow = 1;
250: wlavailable--;
251: }
252: wlwidth = wlavailable;
253: } else {
254: /*
255: * Work out how many characters we need to omit from the
256: * start. There are wlavailable characters to fill, and
257: * wloffset + wlsize must be the last. So, the start character
258: * is wloffset + wlsize - wlavailable.
259: */
260: if (wlavailable > 0) {
261: larrow = 1;
262: wlavailable--;
263: }
1.55 nicm 264:
1.48 nicm 265: wlstart = wloffset + wlsize - wlavailable;
266: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 267: rarrow = 1;
1.48 nicm 268: wlstart++;
269: wlavailable--;
1.1 nicm 270: }
1.48 nicm 271: wlwidth = wlavailable;
272: }
1.1 nicm 273:
1.48 nicm 274: /* Bail if anything is now too small too. */
275: if (wlwidth == 0 || wlavailable == 0) {
276: screen_free(&window_list);
277: goto out;
1.1 nicm 278: }
279:
280: /*
1.48 nicm 281: * Now the start position is known, work out the state of the left and
282: * right arrows.
1.1 nicm 283: */
284: offset = 0;
285: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 286: if (wl->flags & WINLINK_ALERTFLAGS &&
287: larrow == 1 && offset < wlstart)
288: larrow = -1;
1.1 nicm 289:
1.48 nicm 290: offset += wl->status_width;
1.1 nicm 291:
1.63 nicm 292: if (wl->flags & WINLINK_ALERTFLAGS &&
293: rarrow == 1 && offset > wlstart + wlwidth)
294: rarrow = -1;
1.1 nicm 295: }
296:
1.48 nicm 297: draw:
1.55 nicm 298: /* Begin drawing. */
1.48 nicm 299: screen_write_start(&ctx, NULL, &c->status);
1.1 nicm 300:
1.48 nicm 301: /* Draw the left string and arrow. */
302: screen_write_cursormove(&ctx, 0, 0);
1.118 nicm 303: if (llen != 0)
1.48 nicm 304: screen_write_cnputs(&ctx, llen, &lgc, utf8flag, "%s", left);
1.1 nicm 305: if (larrow != 0) {
306: memcpy(&gc, &stdgc, sizeof gc);
307: if (larrow == -1)
308: gc.attr ^= GRID_ATTR_REVERSE;
309: screen_write_putc(&ctx, &gc, '<');
310: }
1.48 nicm 311:
312: /* Draw the right string and arrow. */
1.1 nicm 313: if (rarrow != 0) {
1.118 nicm 314: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
1.1 nicm 315: memcpy(&gc, &stdgc, sizeof gc);
316: if (rarrow == -1)
317: gc.attr ^= GRID_ATTR_REVERSE;
318: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 319: } else
1.118 nicm 320: screen_write_cursormove(&ctx, c->tty.sx - rlen, 0);
321: if (rlen != 0)
1.48 nicm 322: screen_write_cnputs(&ctx, rlen, &rgc, utf8flag, "%s", right);
1.1 nicm 323:
1.48 nicm 324: /* Figure out the offset for the window list. */
1.58 nicm 325: if (llen != 0)
1.118 nicm 326: wloffset = llen;
1.58 nicm 327: else
328: wloffset = 0;
1.48 nicm 329: if (wlwidth < wlavailable) {
330: switch (options_get_number(&s->options, "status-justify")) {
1.119 ! sthen 331: case 1: /* centred */
1.58 nicm 332: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 333: break;
334: case 2: /* right */
1.58 nicm 335: wloffset += (wlavailable - wlwidth);
1.48 nicm 336: break;
337: }
338: }
339: if (larrow != 0)
340: wloffset++;
341:
342: /* Copy the window list. */
1.88 nicm 343: c->wlmouse = -wloffset + wlstart;
1.48 nicm 344: screen_write_cursormove(&ctx, wloffset, 0);
345: screen_write_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 346: screen_free(&window_list);
1.1 nicm 347:
1.48 nicm 348: screen_write_stop(&ctx);
1.1 nicm 349:
350: out:
1.94 nicm 351: free(left);
352: free(right);
1.1 nicm 353:
354: if (grid_compare(c->status.grid, old_status.grid) == 0) {
355: screen_free(&old_status);
356: return (0);
357: }
358: screen_free(&old_status);
359: return (1);
360: }
361:
1.46 nicm 362: /* Replace a single special sequence (prefixed by #). */
363: void
1.104 nicm 364: status_replace1(struct client *c, char **iptr, char **optr, char *out,
1.72 nicm 365: size_t outsize, int jobsflag)
366: {
1.104 nicm 367: char ch, tmp[256], *ptr, *endptr;
1.72 nicm 368: size_t ptrlen;
369: long limit;
1.46 nicm 370:
371: errno = 0;
372: limit = strtol(*iptr, &endptr, 10);
373: if ((limit == 0 && errno != EINVAL) ||
374: (limit == LONG_MIN && errno != ERANGE) ||
1.55 nicm 375: (limit == LONG_MAX && errno != ERANGE) ||
1.46 nicm 376: limit != 0)
377: *iptr = endptr;
378: if (limit <= 0)
379: limit = LONG_MAX;
380:
381: switch (*(*iptr)++) {
382: case '(':
383: if (!jobsflag) {
384: ch = ')';
385: goto skip_to;
386: }
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 *
1.72 nicm 435: status_replace(struct client *c, struct session *s, struct winlink *wl,
436: struct window_pane *wp, const char *fmt, time_t t, int jobsflag)
1.46 nicm 437: {
1.96 nicm 438: static char out[BUFSIZ];
1.98 nicm 439: char in[BUFSIZ], ch, *iptr, *optr, *expanded;
1.96 nicm 440: size_t len;
441: struct format_tree *ft;
1.47 nicm 442:
1.93 nicm 443: if (fmt == NULL)
444: return (xstrdup(""));
445:
1.109 nicm 446: if (s == NULL && c != NULL)
1.96 nicm 447: s = c->session;
1.109 nicm 448: if (wl == NULL && s != NULL)
1.96 nicm 449: wl = s->curw;
1.109 nicm 450: if (wp == NULL && wl != NULL)
1.96 nicm 451: wp = wl->window->active;
452:
1.86 nicm 453: len = strftime(in, sizeof in, fmt, localtime(&t));
454: in[len] = '\0';
1.1 nicm 455:
456: iptr = in;
457: optr = out;
458:
459: while (*iptr != '\0') {
460: if (optr >= out + (sizeof out) - 1)
461: break;
1.46 nicm 462: ch = *iptr++;
463:
1.70 nicm 464: if (ch != '#' || *iptr == '\0') {
1.1 nicm 465: *optr++ = ch;
1.46 nicm 466: continue;
1.1 nicm 467: }
1.104 nicm 468: status_replace1(c, &iptr, &optr, out, sizeof out, jobsflag);
1.1 nicm 469: }
470: *optr = '\0';
471:
1.96 nicm 472: ft = format_create();
1.109 nicm 473: if (c != NULL)
474: format_client(ft, c);
475: if (s != NULL)
476: format_session(ft, s);
477: if (s != NULL && wl != NULL)
478: format_winlink(ft, s, wl);
479: if (wp != NULL)
480: format_window_pane(ft, wp);
1.99 nicm 481: expanded = format_expand(ft, out);
482: format_free(ft);
483: return (expanded);
1.1 nicm 484: }
485:
1.46 nicm 486: /* Figure out job name and get its result, starting it off if necessary. */
1.1 nicm 487: char *
1.71 nicm 488: status_find_job(struct client *c, char **iptr)
1.1 nicm 489: {
1.71 nicm 490: struct status_out *so, so_find;
491: char *cmd;
492: int lastesc;
493: size_t len;
1.1 nicm 494:
495: if (**iptr == '\0')
496: return (NULL);
497: if (**iptr == ')') { /* no command given */
498: (*iptr)++;
499: return (NULL);
500: }
501:
502: cmd = xmalloc(strlen(*iptr) + 1);
503: len = 0;
504:
505: lastesc = 0;
506: for (; **iptr != '\0'; (*iptr)++) {
507: if (!lastesc && **iptr == ')')
508: break; /* unescaped ) is the end */
509: if (!lastesc && **iptr == '\\') {
510: lastesc = 1;
511: continue; /* skip \ if not escaped */
512: }
513: lastesc = 0;
514: cmd[len++] = **iptr;
515: }
1.38 nicm 516: if (**iptr == '\0') /* no terminating ) */ {
1.94 nicm 517: free(cmd);
1.38 nicm 518: return (NULL);
519: }
1.1 nicm 520: (*iptr)++; /* skip final ) */
521: cmd[len] = '\0';
522:
1.71 nicm 523: /* First try in the new tree. */
524: so_find.cmd = cmd;
525: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
1.78 nicm 526: if (so != NULL && so->out != NULL) {
1.94 nicm 527: free(cmd);
1.71 nicm 528: return (so->out);
1.78 nicm 529: }
1.71 nicm 530:
531: /* If not found at all, start the job and add to the tree. */
532: if (so == NULL) {
1.103 nicm 533: job_run(cmd, NULL, status_job_callback, status_job_free, c);
1.71 nicm 534: c->references++;
535:
536: so = xmalloc(sizeof *so);
537: so->cmd = xstrdup(cmd);
538: so->out = NULL;
539: RB_INSERT(status_out_tree, &c->status_new, so);
540: }
541:
542: /* Lookup in the old tree. */
543: so_find.cmd = cmd;
544: so = RB_FIND(status_out_tree, &c->status_old, &so_find);
1.94 nicm 545: free(cmd);
1.71 nicm 546: if (so != NULL)
547: return (so->out);
548: return (NULL);
549: }
550:
551: /* Free job tree. */
552: void
553: status_free_jobs(struct status_out_tree *sotree)
554: {
555: struct status_out *so, *so_next;
556:
557: so_next = RB_MIN(status_out_tree, sotree);
558: while (so_next != NULL) {
559: so = so_next;
560: so_next = RB_NEXT(status_out_tree, sotree, so);
561:
562: RB_REMOVE(status_out_tree, sotree, so);
1.94 nicm 563: free(so->out);
564: free(so->cmd);
565: free(so);
1.38 nicm 566: }
1.71 nicm 567: }
568:
569: /* Update jobs on status interval. */
570: void
571: status_update_jobs(struct client *c)
572: {
573: /* Free the old tree. */
574: status_free_jobs(&c->status_old);
575:
576: /* Move the new to old. */
577: memcpy(&c->status_old, &c->status_new, sizeof c->status_old);
578: RB_INIT(&c->status_new);
579: }
580:
581: /* Free status job. */
582: void
583: status_job_free(void *data)
584: {
585: struct client *c = data;
586:
587: c->references--;
1.38 nicm 588: }
1.1 nicm 589:
1.46 nicm 590: /* Job has finished: save its result. */
1.38 nicm 591: void
592: status_job_callback(struct job *job)
593: {
1.71 nicm 594: struct client *c = job->data;
595: struct status_out *so, so_find;
596: char *line, *buf;
597: size_t len;
598:
599: if (c->flags & CLIENT_DEAD)
600: return;
601:
602: so_find.cmd = job->cmd;
603: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
604: if (so == NULL || so->out != NULL)
605: return;
1.38 nicm 606:
1.41 nicm 607: buf = NULL;
608: if ((line = evbuffer_readline(job->event->input)) == NULL) {
609: len = EVBUFFER_LENGTH(job->event->input);
610: buf = xmalloc(len + 1);
611: if (len != 0)
612: memcpy(buf, EVBUFFER_DATA(job->event->input), len);
613: buf[len] = '\0';
1.71 nicm 614: } else
1.102 nicm 615: buf = line;
1.1 nicm 616:
1.71 nicm 617: so->out = buf;
1.75 nicm 618: server_status_client(c);
1.1 nicm 619: }
620:
1.46 nicm 621: /* Return winlink status line entry and adjust gc as necessary. */
1.1 nicm 622: char *
1.47 nicm 623: status_print(
624: struct client *c, struct winlink *wl, time_t t, struct grid_cell *gc)
1.1 nicm 625: {
1.33 nicm 626: struct options *oo = &wl->window->options;
1.47 nicm 627: struct session *s = c->session;
628: const char *fmt;
629: char *text;
1.1 nicm 630:
1.108 nicm 631: style_apply_update(gc, oo, "window-status-style");
1.47 nicm 632: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 633: if (wl == s->curw) {
1.108 nicm 634: style_apply_update(gc, oo, "window-status-current-style");
1.47 nicm 635: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 636: }
1.108 nicm 637: if (wl == TAILQ_FIRST(&s->lastw))
638: style_apply_update(gc, oo, "window-status-last-style");
639:
640: if (wl->flags & WINLINK_BELL)
641: style_apply_update(gc, oo, "window-status-bell-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. */
1.117 nicm 650: void
1.10 nicm 651: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 652: {
1.44 nicm 653: struct timeval tv;
654: struct message_entry *msg;
655: va_list ap;
656: int delay;
657: u_int i, limit;
1.1 nicm 658:
1.12 nicm 659: status_prompt_clear(c);
660: status_message_clear(c);
661:
1.28 nicm 662: va_start(ap, fmt);
663: xvasprintf(&c->message_string, fmt, ap);
664: va_end(ap);
665:
1.44 nicm 666: ARRAY_EXPAND(&c->message_log, 1);
667: msg = &ARRAY_LAST(&c->message_log);
668: msg->msg_time = time(NULL);
669: msg->msg = xstrdup(c->message_string);
670:
1.111 nicm 671: limit = options_get_number(&global_options, "message-limit");
1.50 nicm 672: if (ARRAY_LENGTH(&c->message_log) > limit) {
673: limit = ARRAY_LENGTH(&c->message_log) - limit;
674: for (i = 0; i < limit; i++) {
675: msg = &ARRAY_FIRST(&c->message_log);
1.94 nicm 676: free(msg->msg);
1.50 nicm 677: ARRAY_REMOVE(&c->message_log, 0);
678: }
1.44 nicm 679: }
680:
1.1 nicm 681: delay = options_get_number(&c->session->options, "display-time");
682: tv.tv_sec = delay / 1000;
683: tv.tv_usec = (delay % 1000) * 1000L;
1.44 nicm 684:
1.110 nicm 685: if (event_initialized(&c->message_timer))
1.90 nicm 686: evtimer_del(&c->message_timer);
1.42 nicm 687: evtimer_set(&c->message_timer, status_message_callback, c);
688: evtimer_add(&c->message_timer, &tv);
1.1 nicm 689:
690: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
691: c->flags |= CLIENT_STATUS;
692: }
693:
1.46 nicm 694: /* Clear status line message. */
1.1 nicm 695: void
696: status_message_clear(struct client *c)
697: {
698: if (c->message_string == NULL)
699: return;
700:
1.94 nicm 701: free(c->message_string);
1.1 nicm 702: c->message_string = NULL;
703:
704: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 705: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 706:
707: screen_reinit(&c->status);
1.42 nicm 708: }
709:
1.46 nicm 710: /* Clear status line message after timer expires. */
1.42 nicm 711: void
712: status_message_callback(unused int fd, unused short event, void *data)
713: {
714: struct client *c = data;
715:
716: status_message_clear(c);
1.1 nicm 717: }
718:
719: /* Draw client message on status line of present else on last line. */
720: int
721: status_message_redraw(struct client *c)
722: {
723: struct screen_write_ctx ctx;
724: struct session *s = c->session;
725: struct screen old_status;
726: size_t len;
727: struct grid_cell gc;
1.51 nicm 728: int utf8flag;
1.1 nicm 729:
730: if (c->tty.sx == 0 || c->tty.sy == 0)
731: return (0);
732: memcpy(&old_status, &c->status, sizeof old_status);
733: screen_init(&c->status, c->tty.sx, 1, 0);
734:
1.51 nicm 735: utf8flag = options_get_number(&s->options, "status-utf8");
736:
737: len = screen_write_strlen(utf8flag, "%s", c->message_string);
1.1 nicm 738: if (len > c->tty.sx)
739: len = c->tty.sx;
740:
1.108 nicm 741: style_apply(&gc, &s->options, "message-style");
1.1 nicm 742:
743: screen_write_start(&ctx, NULL, &c->status);
744:
745: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 746: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->message_string);
1.1 nicm 747: for (; len < c->tty.sx; len++)
748: screen_write_putc(&ctx, &gc, ' ');
749:
750: screen_write_stop(&ctx);
751:
752: if (grid_compare(c->status.grid, old_status.grid) == 0) {
753: screen_free(&old_status);
754: return (0);
755: }
756: screen_free(&old_status);
757: return (1);
758: }
759:
1.46 nicm 760: /* Enable status line prompt. */
1.1 nicm 761: void
1.76 nicm 762: status_prompt_set(struct client *c, const char *msg, const char *input,
1.12 nicm 763: int (*callbackfn)(void *, const char *), void (*freefn)(void *),
764: void *data, int flags)
1.1 nicm 765: {
1.20 nicm 766: int keys;
767:
1.12 nicm 768: status_message_clear(c);
769: status_prompt_clear(c);
770:
1.77 nicm 771: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
772: time(NULL), 0);
1.1 nicm 773:
1.77 nicm 774: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
775: time(NULL), 0);
1.76 nicm 776: c->prompt_index = strlen(c->prompt_buffer);
1.1 nicm 777:
1.12 nicm 778: c->prompt_callbackfn = callbackfn;
779: c->prompt_freefn = freefn;
1.1 nicm 780: c->prompt_data = data;
781:
782: c->prompt_hindex = 0;
783:
784: c->prompt_flags = flags;
785:
1.20 nicm 786: keys = options_get_number(&c->session->options, "status-keys");
787: if (keys == MODEKEY_EMACS)
1.21 nicm 788: mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
1.20 nicm 789: else
1.21 nicm 790: mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
1.1 nicm 791:
792: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
793: c->flags |= CLIENT_STATUS;
794: }
795:
1.46 nicm 796: /* Remove status line prompt. */
1.1 nicm 797: void
798: status_prompt_clear(struct client *c)
799: {
1.55 nicm 800: if (c->prompt_string == NULL)
1.1 nicm 801: return;
802:
1.12 nicm 803: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
804: c->prompt_freefn(c->prompt_data);
1.1 nicm 805:
1.94 nicm 806: free(c->prompt_string);
1.1 nicm 807: c->prompt_string = NULL;
808:
1.94 nicm 809: free(c->prompt_buffer);
1.1 nicm 810: c->prompt_buffer = NULL;
811:
812: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 813: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 814:
815: screen_reinit(&c->status);
1.27 nicm 816: }
817:
1.46 nicm 818: /* Update status line prompt with a new prompt string. */
1.27 nicm 819: void
1.76 nicm 820: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 821: {
1.94 nicm 822: free(c->prompt_string);
1.77 nicm 823: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
824: time(NULL), 0);
1.27 nicm 825:
1.94 nicm 826: free(c->prompt_buffer);
1.77 nicm 827: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
828: time(NULL), 0);
1.76 nicm 829: c->prompt_index = strlen(c->prompt_buffer);
1.27 nicm 830:
831: c->prompt_hindex = 0;
832:
833: c->flags |= CLIENT_STATUS;
1.1 nicm 834: }
835:
836: /* Draw client prompt on status line of present else on last line. */
837: int
838: status_prompt_redraw(struct client *c)
839: {
1.51 nicm 840: struct screen_write_ctx ctx;
1.1 nicm 841: struct session *s = c->session;
842: struct screen old_status;
1.29 nicm 843: size_t i, size, left, len, off;
1.51 nicm 844: struct grid_cell gc, *gcp;
845: int utf8flag;
1.1 nicm 846:
847: if (c->tty.sx == 0 || c->tty.sy == 0)
848: return (0);
849: memcpy(&old_status, &c->status, sizeof old_status);
850: screen_init(&c->status, c->tty.sx, 1, 0);
851:
1.51 nicm 852: utf8flag = options_get_number(&s->options, "status-utf8");
853:
854: len = screen_write_strlen(utf8flag, "%s", c->prompt_string);
1.1 nicm 855: if (len > c->tty.sx)
856: len = c->tty.sx;
1.51 nicm 857: off = 0;
1.1 nicm 858:
1.79 nicm 859: /* Change colours for command mode. */
1.108 nicm 860: if (c->prompt_mdata.mode == 1)
861: style_apply(&gc, &s->options, "message-command-style");
862: else
863: style_apply(&gc, &s->options, "message-style");
1.1 nicm 864:
865: screen_write_start(&ctx, NULL, &c->status);
866:
867: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 868: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->prompt_string);
1.1 nicm 869:
870: left = c->tty.sx - len;
871: if (left != 0) {
1.51 nicm 872: size = screen_write_strlen(utf8flag, "%s", c->prompt_buffer);
873: if (c->prompt_index >= left) {
1.17 nicm 874: off = c->prompt_index - left + 1;
1.51 nicm 875: if (c->prompt_index == size)
1.1 nicm 876: left--;
877: size = left;
878: }
1.51 nicm 879: screen_write_nputs(
880: &ctx, left, &gc, utf8flag, "%s", c->prompt_buffer + off);
1.1 nicm 881:
1.55 nicm 882: for (i = len + size; i < c->tty.sx; i++)
883: screen_write_putc(&ctx, &gc, ' ');
1.1 nicm 884: }
885:
886: screen_write_stop(&ctx);
1.51 nicm 887:
888: /* Apply fake cursor. */
889: off = len + c->prompt_index - off;
890: gcp = grid_view_get_cell(c->status.grid, off, 0);
891: gcp->attr ^= GRID_ATTR_REVERSE;
1.1 nicm 892:
893: if (grid_compare(c->status.grid, old_status.grid) == 0) {
894: screen_free(&old_status);
895: return (0);
896: }
897: screen_free(&old_status);
898: return (1);
899: }
900:
901: /* Handle keys in prompt. */
902: void
903: status_prompt_key(struct client *c, int key)
904: {
1.81 nicm 905: struct session *sess = c->session;
906: struct options *oo = &sess->options;
1.1 nicm 907: struct paste_buffer *pb;
1.81 nicm 908: char *s, *first, *last, word[64], swapc;
909: const char *histstr;
1.83 nicm 910: const char *wsep = NULL;
1.53 nicm 911: u_char ch;
1.1 nicm 912: size_t size, n, off, idx;
913:
914: size = strlen(c->prompt_buffer);
1.101 nicm 915: switch (mode_key_lookup(&c->prompt_mdata, key, NULL)) {
1.20 nicm 916: case MODEKEYEDIT_CURSORLEFT:
1.1 nicm 917: if (c->prompt_index > 0) {
918: c->prompt_index--;
919: c->flags |= CLIENT_STATUS;
920: }
921: break;
1.79 nicm 922: case MODEKEYEDIT_SWITCHMODE:
923: c->flags |= CLIENT_STATUS;
924: break;
1.20 nicm 925: case MODEKEYEDIT_SWITCHMODEAPPEND:
1.79 nicm 926: c->flags |= CLIENT_STATUS;
927: /* FALLTHROUGH */
1.20 nicm 928: case MODEKEYEDIT_CURSORRIGHT:
1.1 nicm 929: if (c->prompt_index < size) {
930: c->prompt_index++;
931: c->flags |= CLIENT_STATUS;
932: }
933: break;
1.89 nicm 934: case MODEKEYEDIT_SWITCHMODEBEGINLINE:
935: c->flags |= CLIENT_STATUS;
936: /* FALLTHROUGH */
1.20 nicm 937: case MODEKEYEDIT_STARTOFLINE:
1.1 nicm 938: if (c->prompt_index != 0) {
939: c->prompt_index = 0;
940: c->flags |= CLIENT_STATUS;
941: }
942: break;
1.89 nicm 943: case MODEKEYEDIT_SWITCHMODEAPPENDLINE:
944: c->flags |= CLIENT_STATUS;
945: /* FALLTHROUGH */
1.20 nicm 946: case MODEKEYEDIT_ENDOFLINE:
1.1 nicm 947: if (c->prompt_index != size) {
948: c->prompt_index = size;
949: c->flags |= CLIENT_STATUS;
950: }
951: break;
1.20 nicm 952: case MODEKEYEDIT_COMPLETE:
1.1 nicm 953: if (*c->prompt_buffer == '\0')
954: break;
955:
956: idx = c->prompt_index;
957: if (idx != 0)
958: idx--;
959:
960: /* Find the word we are in. */
961: first = c->prompt_buffer + idx;
962: while (first > c->prompt_buffer && *first != ' ')
963: first--;
964: while (*first == ' ')
965: first++;
966: last = c->prompt_buffer + idx;
967: while (*last != '\0' && *last != ' ')
968: last++;
969: while (*last == ' ')
970: last--;
971: if (*last != '\0')
972: last++;
973: if (last <= first ||
974: ((size_t) (last - first)) > (sizeof word) - 1)
975: break;
976: memcpy(word, first, last - first);
977: word[last - first] = '\0';
978:
979: /* And try to complete it. */
980: if ((s = status_prompt_complete(word)) == NULL)
981: break;
982:
983: /* Trim out word. */
984: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
985: memmove(first, last, n);
986: size -= last - first;
987:
988: /* Insert the new word. */
1.55 nicm 989: size += strlen(s);
1.1 nicm 990: off = first - c->prompt_buffer;
1.116 nicm 991: c->prompt_buffer = xrealloc(c->prompt_buffer, size + 1);
1.1 nicm 992: first = c->prompt_buffer + off;
1.55 nicm 993: memmove(first + strlen(s), first, n);
994: memcpy(first, s, strlen(s));
1.1 nicm 995:
996: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 997: free(s);
1.1 nicm 998:
999: c->flags |= CLIENT_STATUS;
1000: break;
1.20 nicm 1001: case MODEKEYEDIT_BACKSPACE:
1.1 nicm 1002: if (c->prompt_index != 0) {
1003: if (c->prompt_index == size)
1004: c->prompt_buffer[--c->prompt_index] = '\0';
1005: else {
1006: memmove(c->prompt_buffer + c->prompt_index - 1,
1007: c->prompt_buffer + c->prompt_index,
1008: size + 1 - c->prompt_index);
1009: c->prompt_index--;
1010: }
1011: c->flags |= CLIENT_STATUS;
1012: }
1013: break;
1.55 nicm 1014: case MODEKEYEDIT_DELETE:
1.105 nicm 1015: case MODEKEYEDIT_SWITCHMODESUBSTITUTE:
1.1 nicm 1016: if (c->prompt_index != size) {
1017: memmove(c->prompt_buffer + c->prompt_index,
1018: c->prompt_buffer + c->prompt_index + 1,
1019: size + 1 - c->prompt_index);
1.18 nicm 1020: c->flags |= CLIENT_STATUS;
1021: }
1.26 nicm 1022: break;
1023: case MODEKEYEDIT_DELETELINE:
1.105 nicm 1024: case MODEKEYEDIT_SWITCHMODESUBSTITUTELINE:
1.26 nicm 1025: *c->prompt_buffer = '\0';
1026: c->prompt_index = 0;
1027: c->flags |= CLIENT_STATUS;
1.18 nicm 1028: break;
1.20 nicm 1029: case MODEKEYEDIT_DELETETOENDOFLINE:
1.105 nicm 1030: case MODEKEYEDIT_SWITCHMODECHANGELINE:
1.18 nicm 1031: if (c->prompt_index < size) {
1032: c->prompt_buffer[c->prompt_index] = '\0';
1.1 nicm 1033: c->flags |= CLIENT_STATUS;
1034: }
1035: break;
1.81 nicm 1036: case MODEKEYEDIT_DELETEWORD:
1037: wsep = options_get_string(oo, "word-separators");
1038: idx = c->prompt_index;
1039:
1040: /* Find a non-separator. */
1041: while (idx != 0) {
1042: idx--;
1043: if (!strchr(wsep, c->prompt_buffer[idx]))
1044: break;
1045: }
1046:
1047: /* Find the separator at the beginning of the word. */
1048: while (idx != 0) {
1049: idx--;
1050: if (strchr(wsep, c->prompt_buffer[idx])) {
1051: /* Go back to the word. */
1052: idx++;
1053: break;
1054: }
1055: }
1056:
1057: memmove(c->prompt_buffer + idx,
1058: c->prompt_buffer + c->prompt_index,
1059: size + 1 - c->prompt_index);
1060: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1061: '\0', c->prompt_index - idx);
1062: c->prompt_index = idx;
1063: c->flags |= CLIENT_STATUS;
1064: break;
1.83 nicm 1065: case MODEKEYEDIT_NEXTSPACE:
1066: wsep = " ";
1067: /* FALLTHROUGH */
1.81 nicm 1068: case MODEKEYEDIT_NEXTWORD:
1.83 nicm 1069: if (wsep == NULL)
1070: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1071:
1072: /* Find a separator. */
1073: while (c->prompt_index != size) {
1074: c->prompt_index++;
1075: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1076: break;
1077: }
1078:
1079: /* Find the word right after the separation. */
1080: while (c->prompt_index != size) {
1081: c->prompt_index++;
1082: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1083: break;
1084: }
1085:
1086: c->flags |= CLIENT_STATUS;
1087: break;
1.83 nicm 1088: case MODEKEYEDIT_NEXTSPACEEND:
1089: wsep = " ";
1090: /* FALLTHROUGH */
1.81 nicm 1091: case MODEKEYEDIT_NEXTWORDEND:
1.83 nicm 1092: if (wsep == NULL)
1093: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1094:
1095: /* Find a word. */
1096: while (c->prompt_index != size) {
1097: c->prompt_index++;
1098: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1099: break;
1100: }
1101:
1102: /* Find the separator at the end of the word. */
1103: while (c->prompt_index != size) {
1104: c->prompt_index++;
1.82 nicm 1105: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1.81 nicm 1106: break;
1107: }
1.106 nicm 1108:
1109: /* Back up to the end-of-word like vi. */
1110: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1111: c->prompt_index != 0)
1112: c->prompt_index--;
1.81 nicm 1113:
1114: c->flags |= CLIENT_STATUS;
1115: break;
1.83 nicm 1116: case MODEKEYEDIT_PREVIOUSSPACE:
1117: wsep = " ";
1118: /* FALLTHROUGH */
1.81 nicm 1119: case MODEKEYEDIT_PREVIOUSWORD:
1.83 nicm 1120: if (wsep == NULL)
1121: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1122:
1123: /* Find a non-separator. */
1124: while (c->prompt_index != 0) {
1125: c->prompt_index--;
1126: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1127: break;
1128: }
1129:
1130: /* Find the separator at the beginning of the word. */
1131: while (c->prompt_index != 0) {
1132: c->prompt_index--;
1133: if (strchr(wsep, c->prompt_buffer[c->prompt_index])) {
1134: /* Go back to the word. */
1135: c->prompt_index++;
1136: break;
1137: }
1138: }
1139:
1140: c->flags |= CLIENT_STATUS;
1141: break;
1.20 nicm 1142: case MODEKEYEDIT_HISTORYUP:
1.66 nicm 1143: histstr = status_prompt_up_history(&c->prompt_hindex);
1144: if (histstr == NULL)
1.1 nicm 1145: break;
1.94 nicm 1146: free(c->prompt_buffer);
1.66 nicm 1147: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1148: c->prompt_index = strlen(c->prompt_buffer);
1149: c->flags |= CLIENT_STATUS;
1150: break;
1.20 nicm 1151: case MODEKEYEDIT_HISTORYDOWN:
1.66 nicm 1152: histstr = status_prompt_down_history(&c->prompt_hindex);
1153: if (histstr == NULL)
1.65 nicm 1154: break;
1.94 nicm 1155: free(c->prompt_buffer);
1.66 nicm 1156: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1157: c->prompt_index = strlen(c->prompt_buffer);
1158: c->flags |= CLIENT_STATUS;
1159: break;
1.20 nicm 1160: case MODEKEYEDIT_PASTE:
1.114 nicm 1161: if ((pb = paste_get_top()) == NULL)
1.1 nicm 1162: break;
1.32 nicm 1163: for (n = 0; n < pb->size; n++) {
1.53 nicm 1164: ch = (u_char) pb->data[n];
1165: if (ch < 32 || ch == 127)
1.32 nicm 1166: break;
1167: }
1.1 nicm 1168:
1.116 nicm 1169: c->prompt_buffer = xrealloc(c->prompt_buffer, size + n + 1);
1.1 nicm 1170: if (c->prompt_index == size) {
1171: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1172: c->prompt_index += n;
1173: c->prompt_buffer[c->prompt_index] = '\0';
1174: } else {
1175: memmove(c->prompt_buffer + c->prompt_index + n,
1176: c->prompt_buffer + c->prompt_index,
1177: size + 1 - c->prompt_index);
1178: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1179: c->prompt_index += n;
1180: }
1181:
1182: c->flags |= CLIENT_STATUS;
1.30 nicm 1183: break;
1184: case MODEKEYEDIT_TRANSPOSECHARS:
1185: idx = c->prompt_index;
1186: if (idx < size)
1187: idx++;
1188: if (idx >= 2) {
1189: swapc = c->prompt_buffer[idx - 2];
1190: c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
1191: c->prompt_buffer[idx - 1] = swapc;
1192: c->prompt_index = idx;
1193: c->flags |= CLIENT_STATUS;
1194: }
1.1 nicm 1195: break;
1.55 nicm 1196: case MODEKEYEDIT_ENTER:
1.25 nicm 1197: if (*c->prompt_buffer != '\0')
1.65 nicm 1198: status_prompt_add_history(c->prompt_buffer);
1.25 nicm 1199: if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
1200: status_prompt_clear(c);
1201: break;
1.20 nicm 1202: case MODEKEYEDIT_CANCEL:
1.12 nicm 1203: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1204: status_prompt_clear(c);
1205: break;
1.20 nicm 1206: case MODEKEY_OTHER:
1.61 nicm 1207: if ((key & 0xff00) != 0 || key < 32 || key == 127)
1.1 nicm 1208: break;
1.116 nicm 1209: c->prompt_buffer = xrealloc(c->prompt_buffer, size + 2);
1.1 nicm 1210:
1211: if (c->prompt_index == size) {
1212: c->prompt_buffer[c->prompt_index++] = key;
1213: c->prompt_buffer[c->prompt_index] = '\0';
1214: } else {
1215: memmove(c->prompt_buffer + c->prompt_index + 1,
1216: c->prompt_buffer + c->prompt_index,
1217: size + 1 - c->prompt_index);
1218: c->prompt_buffer[c->prompt_index++] = key;
1219: }
1220:
1221: if (c->prompt_flags & PROMPT_SINGLE) {
1.12 nicm 1222: if (c->prompt_callbackfn(
1.1 nicm 1223: c->prompt_data, c->prompt_buffer) == 0)
1224: status_prompt_clear(c);
1225: }
1226:
1227: c->flags |= CLIENT_STATUS;
1228: break;
1229: default:
1230: break;
1231: }
1232: }
1233:
1.65 nicm 1234: /* Get previous line from the history. */
1235: const char *
1236: status_prompt_up_history(u_int *idx)
1237: {
1238: u_int size;
1239:
1240: /*
1241: * History runs from 0 to size - 1.
1242: *
1243: * Index is from 0 to size. Zero is empty.
1244: */
1245:
1246: size = ARRAY_LENGTH(&status_prompt_history);
1247: if (size == 0 || *idx == size)
1248: return (NULL);
1249: (*idx)++;
1250: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1251: }
1252:
1253: /* Get next line from the history. */
1254: const char *
1255: status_prompt_down_history(u_int *idx)
1256: {
1257: u_int size;
1258:
1259: size = ARRAY_LENGTH(&status_prompt_history);
1260: if (size == 0 || *idx == 0)
1261: return ("");
1262: (*idx)--;
1263: if (*idx == 0)
1264: return ("");
1265: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1266: }
1267:
1.1 nicm 1268: /* Add line to the history. */
1269: void
1.65 nicm 1270: status_prompt_add_history(const char *line)
1.1 nicm 1271: {
1.65 nicm 1272: u_int size;
1273:
1274: size = ARRAY_LENGTH(&status_prompt_history);
1275: if (size > 0 && strcmp(ARRAY_LAST(&status_prompt_history), line) == 0)
1.1 nicm 1276: return;
1277:
1.65 nicm 1278: if (size == PROMPT_HISTORY) {
1.94 nicm 1279: free(ARRAY_FIRST(&status_prompt_history));
1.65 nicm 1280: ARRAY_REMOVE(&status_prompt_history, 0);
1.1 nicm 1281: }
1282:
1.65 nicm 1283: ARRAY_ADD(&status_prompt_history, xstrdup(line));
1.1 nicm 1284: }
1285:
1286: /* Complete word. */
1287: char *
1288: status_prompt_complete(const char *s)
1289: {
1.69 nicm 1290: const struct cmd_entry **cmdent;
1291: const struct options_table_entry *oe;
1292: ARRAY_DECL(, const char *) list;
1293: char *prefix, *s2;
1294: u_int i;
1295: size_t j;
1.1 nicm 1296:
1297: if (*s == '\0')
1298: return (NULL);
1299:
1300: /* First, build a list of all the possible matches. */
1301: ARRAY_INIT(&list);
1302: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1303: if (strncmp((*cmdent)->name, s, strlen(s)) == 0)
1304: ARRAY_ADD(&list, (*cmdent)->name);
1.56 nicm 1305: }
1.69 nicm 1306: for (oe = server_options_table; oe->name != NULL; oe++) {
1307: if (strncmp(oe->name, s, strlen(s)) == 0)
1308: ARRAY_ADD(&list, oe->name);
1309: }
1310: for (oe = session_options_table; oe->name != NULL; oe++) {
1311: if (strncmp(oe->name, s, strlen(s)) == 0)
1312: ARRAY_ADD(&list, oe->name);
1313: }
1314: for (oe = window_options_table; oe->name != NULL; oe++) {
1315: if (strncmp(oe->name, s, strlen(s)) == 0)
1316: ARRAY_ADD(&list, oe->name);
1.1 nicm 1317: }
1318:
1319: /* If none, bail now. */
1320: if (ARRAY_LENGTH(&list) == 0) {
1321: ARRAY_FREE(&list);
1322: return (NULL);
1323: }
1324:
1325: /* If an exact match, return it, with a trailing space. */
1326: if (ARRAY_LENGTH(&list) == 1) {
1327: xasprintf(&s2, "%s ", ARRAY_FIRST(&list));
1328: ARRAY_FREE(&list);
1329: return (s2);
1330: }
1331:
1332: /* Now loop through the list and find the longest common prefix. */
1333: prefix = xstrdup(ARRAY_FIRST(&list));
1334: for (i = 1; i < ARRAY_LENGTH(&list); i++) {
1335: s = ARRAY_ITEM(&list, i);
1336:
1337: j = strlen(s);
1338: if (j > strlen(prefix))
1339: j = strlen(prefix);
1340: for (; j > 0; j--) {
1341: if (prefix[j - 1] != s[j - 1])
1342: prefix[j - 1] = '\0';
1343: }
1344: }
1345:
1346: ARRAY_FREE(&list);
1347: return (prefix);
1348: }
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