Annotation of src/usr.bin/tmux/status.c, Revision 1.109
1.109 ! nicm 1: /* $OpenBSD: status.c,v 1.108 2014/01/28 23:07:09 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:
1.109 ! nicm 448: if (s == NULL && c != NULL)
1.96 nicm 449: s = c->session;
1.109 ! nicm 450: if (wl == NULL && s != NULL)
1.96 nicm 451: wl = s->curw;
1.109 ! nicm 452: if (wp == NULL && wl != NULL)
1.96 nicm 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();
1.109 ! nicm 475: if (c != NULL)
! 476: format_client(ft, c);
! 477: if (s != NULL)
! 478: format_session(ft, s);
! 479: if (s != NULL && wl != NULL)
! 480: format_winlink(ft, s, wl);
! 481: if (wp != NULL)
! 482: format_window_pane(ft, wp);
1.99 nicm 483: expanded = format_expand(ft, out);
484: format_free(ft);
485: return (expanded);
1.1 nicm 486: }
487:
1.46 nicm 488: /* Figure out job name and get its result, starting it off if necessary. */
1.1 nicm 489: char *
1.71 nicm 490: status_find_job(struct client *c, char **iptr)
1.1 nicm 491: {
1.71 nicm 492: struct status_out *so, so_find;
493: char *cmd;
494: int lastesc;
495: size_t len;
1.1 nicm 496:
497: if (**iptr == '\0')
498: return (NULL);
499: if (**iptr == ')') { /* no command given */
500: (*iptr)++;
501: return (NULL);
502: }
503:
504: cmd = xmalloc(strlen(*iptr) + 1);
505: len = 0;
506:
507: lastesc = 0;
508: for (; **iptr != '\0'; (*iptr)++) {
509: if (!lastesc && **iptr == ')')
510: break; /* unescaped ) is the end */
511: if (!lastesc && **iptr == '\\') {
512: lastesc = 1;
513: continue; /* skip \ if not escaped */
514: }
515: lastesc = 0;
516: cmd[len++] = **iptr;
517: }
1.38 nicm 518: if (**iptr == '\0') /* no terminating ) */ {
1.94 nicm 519: free(cmd);
1.38 nicm 520: return (NULL);
521: }
1.1 nicm 522: (*iptr)++; /* skip final ) */
523: cmd[len] = '\0';
524:
1.71 nicm 525: /* First try in the new tree. */
526: so_find.cmd = cmd;
527: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
1.78 nicm 528: if (so != NULL && so->out != NULL) {
1.94 nicm 529: free(cmd);
1.71 nicm 530: return (so->out);
1.78 nicm 531: }
1.71 nicm 532:
533: /* If not found at all, start the job and add to the tree. */
534: if (so == NULL) {
1.103 nicm 535: job_run(cmd, NULL, status_job_callback, status_job_free, c);
1.71 nicm 536: c->references++;
537:
538: so = xmalloc(sizeof *so);
539: so->cmd = xstrdup(cmd);
540: so->out = NULL;
541: RB_INSERT(status_out_tree, &c->status_new, so);
542: }
543:
544: /* Lookup in the old tree. */
545: so_find.cmd = cmd;
546: so = RB_FIND(status_out_tree, &c->status_old, &so_find);
1.94 nicm 547: free(cmd);
1.71 nicm 548: if (so != NULL)
549: return (so->out);
550: return (NULL);
551: }
552:
553: /* Free job tree. */
554: void
555: status_free_jobs(struct status_out_tree *sotree)
556: {
557: struct status_out *so, *so_next;
558:
559: so_next = RB_MIN(status_out_tree, sotree);
560: while (so_next != NULL) {
561: so = so_next;
562: so_next = RB_NEXT(status_out_tree, sotree, so);
563:
564: RB_REMOVE(status_out_tree, sotree, so);
1.94 nicm 565: free(so->out);
566: free(so->cmd);
567: free(so);
1.38 nicm 568: }
1.71 nicm 569: }
570:
571: /* Update jobs on status interval. */
572: void
573: status_update_jobs(struct client *c)
574: {
575: /* Free the old tree. */
576: status_free_jobs(&c->status_old);
577:
578: /* Move the new to old. */
579: memcpy(&c->status_old, &c->status_new, sizeof c->status_old);
580: RB_INIT(&c->status_new);
581: }
582:
583: /* Free status job. */
584: void
585: status_job_free(void *data)
586: {
587: struct client *c = data;
588:
589: c->references--;
1.38 nicm 590: }
1.1 nicm 591:
1.46 nicm 592: /* Job has finished: save its result. */
1.38 nicm 593: void
594: status_job_callback(struct job *job)
595: {
1.71 nicm 596: struct client *c = job->data;
597: struct status_out *so, so_find;
598: char *line, *buf;
599: size_t len;
600:
601: if (c->flags & CLIENT_DEAD)
602: return;
603:
604: so_find.cmd = job->cmd;
605: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
606: if (so == NULL || so->out != NULL)
607: return;
1.38 nicm 608:
1.41 nicm 609: buf = NULL;
610: if ((line = evbuffer_readline(job->event->input)) == NULL) {
611: len = EVBUFFER_LENGTH(job->event->input);
612: buf = xmalloc(len + 1);
613: if (len != 0)
614: memcpy(buf, EVBUFFER_DATA(job->event->input), len);
615: buf[len] = '\0';
1.71 nicm 616: } else
1.102 nicm 617: buf = line;
1.1 nicm 618:
1.71 nicm 619: so->out = buf;
1.75 nicm 620: server_status_client(c);
1.1 nicm 621: }
622:
1.46 nicm 623: /* Return winlink status line entry and adjust gc as necessary. */
1.1 nicm 624: char *
1.47 nicm 625: status_print(
626: struct client *c, struct winlink *wl, time_t t, struct grid_cell *gc)
1.1 nicm 627: {
1.33 nicm 628: struct options *oo = &wl->window->options;
1.47 nicm 629: struct session *s = c->session;
630: const char *fmt;
631: char *text;
1.1 nicm 632:
1.108 nicm 633: style_apply_update(gc, oo, "window-status-style");
1.47 nicm 634: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 635: if (wl == s->curw) {
1.108 nicm 636: style_apply_update(gc, oo, "window-status-current-style");
1.47 nicm 637: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 638: }
1.108 nicm 639: if (wl == TAILQ_FIRST(&s->lastw))
640: style_apply_update(gc, oo, "window-status-last-style");
641:
642: if (wl->flags & WINLINK_BELL)
643: style_apply_update(gc, oo, "window-status-bell-style");
644: else if (wl->flags & WINLINK_CONTENT)
645: style_apply_update(gc, oo, "window-status-content-style");
646: else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
647: style_apply_update(gc, oo, "window-status-activity-style");
1.1 nicm 648:
1.72 nicm 649: text = status_replace(c, NULL, wl, NULL, fmt, t, 1);
1.1 nicm 650: return (text);
651: }
652:
1.46 nicm 653: /* Set a status line message. */
1.10 nicm 654: void printflike2
655: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 656: {
1.44 nicm 657: struct timeval tv;
658: struct session *s = c->session;
659: struct message_entry *msg;
660: va_list ap;
661: int delay;
662: u_int i, limit;
1.1 nicm 663:
1.12 nicm 664: status_prompt_clear(c);
665: status_message_clear(c);
666:
1.28 nicm 667: va_start(ap, fmt);
668: xvasprintf(&c->message_string, fmt, ap);
669: va_end(ap);
670:
1.44 nicm 671: ARRAY_EXPAND(&c->message_log, 1);
672: msg = &ARRAY_LAST(&c->message_log);
673: msg->msg_time = time(NULL);
674: msg->msg = xstrdup(c->message_string);
675:
676: if (s == NULL)
677: limit = 0;
678: else
679: limit = options_get_number(&s->options, "message-limit");
1.50 nicm 680: if (ARRAY_LENGTH(&c->message_log) > limit) {
681: limit = ARRAY_LENGTH(&c->message_log) - limit;
682: for (i = 0; i < limit; i++) {
683: msg = &ARRAY_FIRST(&c->message_log);
1.94 nicm 684: free(msg->msg);
1.50 nicm 685: ARRAY_REMOVE(&c->message_log, 0);
686: }
1.44 nicm 687: }
688:
1.1 nicm 689: delay = options_get_number(&c->session->options, "display-time");
690: tv.tv_sec = delay / 1000;
691: tv.tv_usec = (delay % 1000) * 1000L;
1.44 nicm 692:
1.90 nicm 693: if (event_initialized (&c->message_timer))
694: evtimer_del(&c->message_timer);
1.42 nicm 695: evtimer_set(&c->message_timer, status_message_callback, c);
696: evtimer_add(&c->message_timer, &tv);
1.1 nicm 697:
698: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
699: c->flags |= CLIENT_STATUS;
700: }
701:
1.46 nicm 702: /* Clear status line message. */
1.1 nicm 703: void
704: status_message_clear(struct client *c)
705: {
706: if (c->message_string == NULL)
707: return;
708:
1.94 nicm 709: free(c->message_string);
1.1 nicm 710: c->message_string = NULL;
711:
712: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 713: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 714:
715: screen_reinit(&c->status);
1.42 nicm 716: }
717:
1.46 nicm 718: /* Clear status line message after timer expires. */
1.42 nicm 719: void
720: status_message_callback(unused int fd, unused short event, void *data)
721: {
722: struct client *c = data;
723:
724: status_message_clear(c);
1.1 nicm 725: }
726:
727: /* Draw client message on status line of present else on last line. */
728: int
729: status_message_redraw(struct client *c)
730: {
731: struct screen_write_ctx ctx;
732: struct session *s = c->session;
733: struct screen old_status;
734: size_t len;
735: struct grid_cell gc;
1.51 nicm 736: int utf8flag;
1.1 nicm 737:
738: if (c->tty.sx == 0 || c->tty.sy == 0)
739: return (0);
740: memcpy(&old_status, &c->status, sizeof old_status);
741: screen_init(&c->status, c->tty.sx, 1, 0);
742:
1.51 nicm 743: utf8flag = options_get_number(&s->options, "status-utf8");
744:
745: len = screen_write_strlen(utf8flag, "%s", c->message_string);
1.1 nicm 746: if (len > c->tty.sx)
747: len = c->tty.sx;
748:
1.108 nicm 749: style_apply(&gc, &s->options, "message-style");
1.1 nicm 750:
751: screen_write_start(&ctx, NULL, &c->status);
752:
753: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 754: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->message_string);
1.1 nicm 755: for (; len < c->tty.sx; len++)
756: screen_write_putc(&ctx, &gc, ' ');
757:
758: screen_write_stop(&ctx);
759:
760: if (grid_compare(c->status.grid, old_status.grid) == 0) {
761: screen_free(&old_status);
762: return (0);
763: }
764: screen_free(&old_status);
765: return (1);
766: }
767:
1.46 nicm 768: /* Enable status line prompt. */
1.1 nicm 769: void
1.76 nicm 770: status_prompt_set(struct client *c, const char *msg, const char *input,
1.12 nicm 771: int (*callbackfn)(void *, const char *), void (*freefn)(void *),
772: void *data, int flags)
1.1 nicm 773: {
1.20 nicm 774: int keys;
775:
1.12 nicm 776: status_message_clear(c);
777: status_prompt_clear(c);
778:
1.77 nicm 779: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
780: time(NULL), 0);
1.1 nicm 781:
1.77 nicm 782: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
783: time(NULL), 0);
1.76 nicm 784: c->prompt_index = strlen(c->prompt_buffer);
1.1 nicm 785:
1.12 nicm 786: c->prompt_callbackfn = callbackfn;
787: c->prompt_freefn = freefn;
1.1 nicm 788: c->prompt_data = data;
789:
790: c->prompt_hindex = 0;
791:
792: c->prompt_flags = flags;
793:
1.20 nicm 794: keys = options_get_number(&c->session->options, "status-keys");
795: if (keys == MODEKEY_EMACS)
1.21 nicm 796: mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
1.20 nicm 797: else
1.21 nicm 798: mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
1.1 nicm 799:
800: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
801: c->flags |= CLIENT_STATUS;
802: }
803:
1.46 nicm 804: /* Remove status line prompt. */
1.1 nicm 805: void
806: status_prompt_clear(struct client *c)
807: {
1.55 nicm 808: if (c->prompt_string == NULL)
1.1 nicm 809: return;
810:
1.12 nicm 811: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
812: c->prompt_freefn(c->prompt_data);
1.1 nicm 813:
1.94 nicm 814: free(c->prompt_string);
1.1 nicm 815: c->prompt_string = NULL;
816:
1.94 nicm 817: free(c->prompt_buffer);
1.1 nicm 818: c->prompt_buffer = NULL;
819:
820: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 821: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 822:
823: screen_reinit(&c->status);
1.27 nicm 824: }
825:
1.46 nicm 826: /* Update status line prompt with a new prompt string. */
1.27 nicm 827: void
1.76 nicm 828: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 829: {
1.94 nicm 830: free(c->prompt_string);
1.77 nicm 831: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
832: time(NULL), 0);
1.27 nicm 833:
1.94 nicm 834: free(c->prompt_buffer);
1.77 nicm 835: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
836: time(NULL), 0);
1.76 nicm 837: c->prompt_index = strlen(c->prompt_buffer);
1.27 nicm 838:
839: c->prompt_hindex = 0;
840:
841: c->flags |= CLIENT_STATUS;
1.1 nicm 842: }
843:
844: /* Draw client prompt on status line of present else on last line. */
845: int
846: status_prompt_redraw(struct client *c)
847: {
1.51 nicm 848: struct screen_write_ctx ctx;
1.1 nicm 849: struct session *s = c->session;
850: struct screen old_status;
1.29 nicm 851: size_t i, size, left, len, off;
1.51 nicm 852: struct grid_cell gc, *gcp;
853: int utf8flag;
1.1 nicm 854:
855: if (c->tty.sx == 0 || c->tty.sy == 0)
856: return (0);
857: memcpy(&old_status, &c->status, sizeof old_status);
858: screen_init(&c->status, c->tty.sx, 1, 0);
859:
1.51 nicm 860: utf8flag = options_get_number(&s->options, "status-utf8");
861:
862: len = screen_write_strlen(utf8flag, "%s", c->prompt_string);
1.1 nicm 863: if (len > c->tty.sx)
864: len = c->tty.sx;
1.51 nicm 865: off = 0;
1.1 nicm 866:
1.79 nicm 867: /* Change colours for command mode. */
1.108 nicm 868: if (c->prompt_mdata.mode == 1)
869: style_apply(&gc, &s->options, "message-command-style");
870: else
871: style_apply(&gc, &s->options, "message-style");
1.1 nicm 872:
873: screen_write_start(&ctx, NULL, &c->status);
874:
875: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 876: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->prompt_string);
1.1 nicm 877:
878: left = c->tty.sx - len;
879: if (left != 0) {
1.51 nicm 880: size = screen_write_strlen(utf8flag, "%s", c->prompt_buffer);
881: if (c->prompt_index >= left) {
1.17 nicm 882: off = c->prompt_index - left + 1;
1.51 nicm 883: if (c->prompt_index == size)
1.1 nicm 884: left--;
885: size = left;
886: }
1.51 nicm 887: screen_write_nputs(
888: &ctx, left, &gc, utf8flag, "%s", c->prompt_buffer + off);
1.1 nicm 889:
1.55 nicm 890: for (i = len + size; i < c->tty.sx; i++)
891: screen_write_putc(&ctx, &gc, ' ');
1.1 nicm 892: }
893:
894: screen_write_stop(&ctx);
1.51 nicm 895:
896: /* Apply fake cursor. */
897: off = len + c->prompt_index - off;
898: gcp = grid_view_get_cell(c->status.grid, off, 0);
899: gcp->attr ^= GRID_ATTR_REVERSE;
1.1 nicm 900:
901: if (grid_compare(c->status.grid, old_status.grid) == 0) {
902: screen_free(&old_status);
903: return (0);
904: }
905: screen_free(&old_status);
906: return (1);
907: }
908:
909: /* Handle keys in prompt. */
910: void
911: status_prompt_key(struct client *c, int key)
912: {
1.81 nicm 913: struct session *sess = c->session;
914: struct options *oo = &sess->options;
1.1 nicm 915: struct paste_buffer *pb;
1.81 nicm 916: char *s, *first, *last, word[64], swapc;
917: const char *histstr;
1.83 nicm 918: const char *wsep = NULL;
1.53 nicm 919: u_char ch;
1.1 nicm 920: size_t size, n, off, idx;
921:
922: size = strlen(c->prompt_buffer);
1.101 nicm 923: switch (mode_key_lookup(&c->prompt_mdata, key, NULL)) {
1.20 nicm 924: case MODEKEYEDIT_CURSORLEFT:
1.1 nicm 925: if (c->prompt_index > 0) {
926: c->prompt_index--;
927: c->flags |= CLIENT_STATUS;
928: }
929: break;
1.79 nicm 930: case MODEKEYEDIT_SWITCHMODE:
931: c->flags |= CLIENT_STATUS;
932: break;
1.20 nicm 933: case MODEKEYEDIT_SWITCHMODEAPPEND:
1.79 nicm 934: c->flags |= CLIENT_STATUS;
935: /* FALLTHROUGH */
1.20 nicm 936: case MODEKEYEDIT_CURSORRIGHT:
1.1 nicm 937: if (c->prompt_index < size) {
938: c->prompt_index++;
939: c->flags |= CLIENT_STATUS;
940: }
941: break;
1.89 nicm 942: case MODEKEYEDIT_SWITCHMODEBEGINLINE:
943: c->flags |= CLIENT_STATUS;
944: /* FALLTHROUGH */
1.20 nicm 945: case MODEKEYEDIT_STARTOFLINE:
1.1 nicm 946: if (c->prompt_index != 0) {
947: c->prompt_index = 0;
948: c->flags |= CLIENT_STATUS;
949: }
950: break;
1.89 nicm 951: case MODEKEYEDIT_SWITCHMODEAPPENDLINE:
952: c->flags |= CLIENT_STATUS;
953: /* FALLTHROUGH */
1.20 nicm 954: case MODEKEYEDIT_ENDOFLINE:
1.1 nicm 955: if (c->prompt_index != size) {
956: c->prompt_index = size;
957: c->flags |= CLIENT_STATUS;
958: }
959: break;
1.20 nicm 960: case MODEKEYEDIT_COMPLETE:
1.1 nicm 961: if (*c->prompt_buffer == '\0')
962: break;
963:
964: idx = c->prompt_index;
965: if (idx != 0)
966: idx--;
967:
968: /* Find the word we are in. */
969: first = c->prompt_buffer + idx;
970: while (first > c->prompt_buffer && *first != ' ')
971: first--;
972: while (*first == ' ')
973: first++;
974: last = c->prompt_buffer + idx;
975: while (*last != '\0' && *last != ' ')
976: last++;
977: while (*last == ' ')
978: last--;
979: if (*last != '\0')
980: last++;
981: if (last <= first ||
982: ((size_t) (last - first)) > (sizeof word) - 1)
983: break;
984: memcpy(word, first, last - first);
985: word[last - first] = '\0';
986:
987: /* And try to complete it. */
988: if ((s = status_prompt_complete(word)) == NULL)
989: break;
990:
991: /* Trim out word. */
992: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
993: memmove(first, last, n);
994: size -= last - first;
995:
996: /* Insert the new word. */
1.55 nicm 997: size += strlen(s);
1.1 nicm 998: off = first - c->prompt_buffer;
1.55 nicm 999: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 1);
1.1 nicm 1000: first = c->prompt_buffer + off;
1.55 nicm 1001: memmove(first + strlen(s), first, n);
1002: memcpy(first, s, strlen(s));
1.1 nicm 1003:
1004: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 1005: free(s);
1.1 nicm 1006:
1007: c->flags |= CLIENT_STATUS;
1008: break;
1.20 nicm 1009: case MODEKEYEDIT_BACKSPACE:
1.1 nicm 1010: if (c->prompt_index != 0) {
1011: if (c->prompt_index == size)
1012: c->prompt_buffer[--c->prompt_index] = '\0';
1013: else {
1014: memmove(c->prompt_buffer + c->prompt_index - 1,
1015: c->prompt_buffer + c->prompt_index,
1016: size + 1 - c->prompt_index);
1017: c->prompt_index--;
1018: }
1019: c->flags |= CLIENT_STATUS;
1020: }
1021: break;
1.55 nicm 1022: case MODEKEYEDIT_DELETE:
1.105 nicm 1023: case MODEKEYEDIT_SWITCHMODESUBSTITUTE:
1.1 nicm 1024: if (c->prompt_index != size) {
1025: memmove(c->prompt_buffer + c->prompt_index,
1026: c->prompt_buffer + c->prompt_index + 1,
1027: size + 1 - c->prompt_index);
1.18 nicm 1028: c->flags |= CLIENT_STATUS;
1029: }
1.26 nicm 1030: break;
1031: case MODEKEYEDIT_DELETELINE:
1.105 nicm 1032: case MODEKEYEDIT_SWITCHMODESUBSTITUTELINE:
1.26 nicm 1033: *c->prompt_buffer = '\0';
1034: c->prompt_index = 0;
1035: c->flags |= CLIENT_STATUS;
1.18 nicm 1036: break;
1.20 nicm 1037: case MODEKEYEDIT_DELETETOENDOFLINE:
1.105 nicm 1038: case MODEKEYEDIT_SWITCHMODECHANGELINE:
1.18 nicm 1039: if (c->prompt_index < size) {
1040: c->prompt_buffer[c->prompt_index] = '\0';
1.1 nicm 1041: c->flags |= CLIENT_STATUS;
1042: }
1043: break;
1.81 nicm 1044: case MODEKEYEDIT_DELETEWORD:
1045: wsep = options_get_string(oo, "word-separators");
1046: idx = c->prompt_index;
1047:
1048: /* Find a non-separator. */
1049: while (idx != 0) {
1050: idx--;
1051: if (!strchr(wsep, c->prompt_buffer[idx]))
1052: break;
1053: }
1054:
1055: /* Find the separator at the beginning of the word. */
1056: while (idx != 0) {
1057: idx--;
1058: if (strchr(wsep, c->prompt_buffer[idx])) {
1059: /* Go back to the word. */
1060: idx++;
1061: break;
1062: }
1063: }
1064:
1065: memmove(c->prompt_buffer + idx,
1066: c->prompt_buffer + c->prompt_index,
1067: size + 1 - c->prompt_index);
1068: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1069: '\0', c->prompt_index - idx);
1070: c->prompt_index = idx;
1071: c->flags |= CLIENT_STATUS;
1072: break;
1.83 nicm 1073: case MODEKEYEDIT_NEXTSPACE:
1074: wsep = " ";
1075: /* FALLTHROUGH */
1.81 nicm 1076: case MODEKEYEDIT_NEXTWORD:
1.83 nicm 1077: if (wsep == NULL)
1078: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1079:
1080: /* Find a separator. */
1081: while (c->prompt_index != size) {
1082: c->prompt_index++;
1083: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1084: break;
1085: }
1086:
1087: /* Find the word right after the separation. */
1088: while (c->prompt_index != size) {
1089: c->prompt_index++;
1090: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1091: break;
1092: }
1093:
1094: c->flags |= CLIENT_STATUS;
1095: break;
1.83 nicm 1096: case MODEKEYEDIT_NEXTSPACEEND:
1097: wsep = " ";
1098: /* FALLTHROUGH */
1.81 nicm 1099: case MODEKEYEDIT_NEXTWORDEND:
1.83 nicm 1100: if (wsep == NULL)
1101: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1102:
1103: /* Find a word. */
1104: while (c->prompt_index != size) {
1105: c->prompt_index++;
1106: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1107: break;
1108: }
1109:
1110: /* Find the separator at the end of the word. */
1111: while (c->prompt_index != size) {
1112: c->prompt_index++;
1.82 nicm 1113: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1.81 nicm 1114: break;
1115: }
1.106 nicm 1116:
1117: /* Back up to the end-of-word like vi. */
1118: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1119: c->prompt_index != 0)
1120: c->prompt_index--;
1.81 nicm 1121:
1122: c->flags |= CLIENT_STATUS;
1123: break;
1.83 nicm 1124: case MODEKEYEDIT_PREVIOUSSPACE:
1125: wsep = " ";
1126: /* FALLTHROUGH */
1.81 nicm 1127: case MODEKEYEDIT_PREVIOUSWORD:
1.83 nicm 1128: if (wsep == NULL)
1129: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1130:
1131: /* Find a non-separator. */
1132: while (c->prompt_index != 0) {
1133: c->prompt_index--;
1134: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1135: break;
1136: }
1137:
1138: /* Find the separator at the beginning of the word. */
1139: while (c->prompt_index != 0) {
1140: c->prompt_index--;
1141: if (strchr(wsep, c->prompt_buffer[c->prompt_index])) {
1142: /* Go back to the word. */
1143: c->prompt_index++;
1144: break;
1145: }
1146: }
1147:
1148: c->flags |= CLIENT_STATUS;
1149: break;
1.20 nicm 1150: case MODEKEYEDIT_HISTORYUP:
1.66 nicm 1151: histstr = status_prompt_up_history(&c->prompt_hindex);
1152: if (histstr == NULL)
1.1 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_HISTORYDOWN:
1.66 nicm 1160: histstr = status_prompt_down_history(&c->prompt_hindex);
1161: if (histstr == NULL)
1.65 nicm 1162: break;
1.94 nicm 1163: free(c->prompt_buffer);
1.66 nicm 1164: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1165: c->prompt_index = strlen(c->prompt_buffer);
1166: c->flags |= CLIENT_STATUS;
1167: break;
1.20 nicm 1168: case MODEKEYEDIT_PASTE:
1.68 nicm 1169: if ((pb = paste_get_top(&global_buffers)) == NULL)
1.1 nicm 1170: break;
1.32 nicm 1171: for (n = 0; n < pb->size; n++) {
1.53 nicm 1172: ch = (u_char) pb->data[n];
1173: if (ch < 32 || ch == 127)
1.32 nicm 1174: break;
1175: }
1.1 nicm 1176:
1177: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + n + 1);
1178: if (c->prompt_index == size) {
1179: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1180: c->prompt_index += n;
1181: c->prompt_buffer[c->prompt_index] = '\0';
1182: } else {
1183: memmove(c->prompt_buffer + c->prompt_index + n,
1184: c->prompt_buffer + c->prompt_index,
1185: size + 1 - c->prompt_index);
1186: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1187: c->prompt_index += n;
1188: }
1189:
1190: c->flags |= CLIENT_STATUS;
1.30 nicm 1191: break;
1192: case MODEKEYEDIT_TRANSPOSECHARS:
1193: idx = c->prompt_index;
1194: if (idx < size)
1195: idx++;
1196: if (idx >= 2) {
1197: swapc = c->prompt_buffer[idx - 2];
1198: c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
1199: c->prompt_buffer[idx - 1] = swapc;
1200: c->prompt_index = idx;
1201: c->flags |= CLIENT_STATUS;
1202: }
1.1 nicm 1203: break;
1.55 nicm 1204: case MODEKEYEDIT_ENTER:
1.25 nicm 1205: if (*c->prompt_buffer != '\0')
1.65 nicm 1206: status_prompt_add_history(c->prompt_buffer);
1.25 nicm 1207: if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
1208: status_prompt_clear(c);
1209: break;
1.20 nicm 1210: case MODEKEYEDIT_CANCEL:
1.12 nicm 1211: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1212: status_prompt_clear(c);
1213: break;
1.20 nicm 1214: case MODEKEY_OTHER:
1.61 nicm 1215: if ((key & 0xff00) != 0 || key < 32 || key == 127)
1.1 nicm 1216: break;
1217: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 2);
1218:
1219: if (c->prompt_index == size) {
1220: c->prompt_buffer[c->prompt_index++] = key;
1221: c->prompt_buffer[c->prompt_index] = '\0';
1222: } else {
1223: memmove(c->prompt_buffer + c->prompt_index + 1,
1224: c->prompt_buffer + c->prompt_index,
1225: size + 1 - c->prompt_index);
1226: c->prompt_buffer[c->prompt_index++] = key;
1227: }
1228:
1229: if (c->prompt_flags & PROMPT_SINGLE) {
1.12 nicm 1230: if (c->prompt_callbackfn(
1.1 nicm 1231: c->prompt_data, c->prompt_buffer) == 0)
1232: status_prompt_clear(c);
1233: }
1234:
1235: c->flags |= CLIENT_STATUS;
1236: break;
1237: default:
1238: break;
1239: }
1240: }
1241:
1.65 nicm 1242: /* Get previous line from the history. */
1243: const char *
1244: status_prompt_up_history(u_int *idx)
1245: {
1246: u_int size;
1247:
1248: /*
1249: * History runs from 0 to size - 1.
1250: *
1251: * Index is from 0 to size. Zero is empty.
1252: */
1253:
1254: size = ARRAY_LENGTH(&status_prompt_history);
1255: if (size == 0 || *idx == size)
1256: return (NULL);
1257: (*idx)++;
1258: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1259: }
1260:
1261: /* Get next line from the history. */
1262: const char *
1263: status_prompt_down_history(u_int *idx)
1264: {
1265: u_int size;
1266:
1267: size = ARRAY_LENGTH(&status_prompt_history);
1268: if (size == 0 || *idx == 0)
1269: return ("");
1270: (*idx)--;
1271: if (*idx == 0)
1272: return ("");
1273: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1274: }
1275:
1.1 nicm 1276: /* Add line to the history. */
1277: void
1.65 nicm 1278: status_prompt_add_history(const char *line)
1.1 nicm 1279: {
1.65 nicm 1280: u_int size;
1281:
1282: size = ARRAY_LENGTH(&status_prompt_history);
1283: if (size > 0 && strcmp(ARRAY_LAST(&status_prompt_history), line) == 0)
1.1 nicm 1284: return;
1285:
1.65 nicm 1286: if (size == PROMPT_HISTORY) {
1.94 nicm 1287: free(ARRAY_FIRST(&status_prompt_history));
1.65 nicm 1288: ARRAY_REMOVE(&status_prompt_history, 0);
1.1 nicm 1289: }
1290:
1.65 nicm 1291: ARRAY_ADD(&status_prompt_history, xstrdup(line));
1.1 nicm 1292: }
1293:
1294: /* Complete word. */
1295: char *
1296: status_prompt_complete(const char *s)
1297: {
1.69 nicm 1298: const struct cmd_entry **cmdent;
1299: const struct options_table_entry *oe;
1300: ARRAY_DECL(, const char *) list;
1301: char *prefix, *s2;
1302: u_int i;
1303: size_t j;
1.1 nicm 1304:
1305: if (*s == '\0')
1306: return (NULL);
1307:
1308: /* First, build a list of all the possible matches. */
1309: ARRAY_INIT(&list);
1310: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1311: if (strncmp((*cmdent)->name, s, strlen(s)) == 0)
1312: ARRAY_ADD(&list, (*cmdent)->name);
1.56 nicm 1313: }
1.69 nicm 1314: for (oe = server_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 = session_options_table; oe->name != NULL; oe++) {
1319: if (strncmp(oe->name, s, strlen(s)) == 0)
1320: ARRAY_ADD(&list, oe->name);
1321: }
1322: for (oe = window_options_table; oe->name != NULL; oe++) {
1323: if (strncmp(oe->name, s, strlen(s)) == 0)
1324: ARRAY_ADD(&list, oe->name);
1.1 nicm 1325: }
1326:
1327: /* If none, bail now. */
1328: if (ARRAY_LENGTH(&list) == 0) {
1329: ARRAY_FREE(&list);
1330: return (NULL);
1331: }
1332:
1333: /* If an exact match, return it, with a trailing space. */
1334: if (ARRAY_LENGTH(&list) == 1) {
1335: xasprintf(&s2, "%s ", ARRAY_FIRST(&list));
1336: ARRAY_FREE(&list);
1337: return (s2);
1338: }
1339:
1340: /* Now loop through the list and find the longest common prefix. */
1341: prefix = xstrdup(ARRAY_FIRST(&list));
1342: for (i = 1; i < ARRAY_LENGTH(&list); i++) {
1343: s = ARRAY_ITEM(&list, i);
1344:
1345: j = strlen(s);
1346: if (j > strlen(prefix))
1347: j = strlen(prefix);
1348: for (; j > 0; j--) {
1349: if (prefix[j - 1] != s[j - 1])
1350: prefix[j - 1] = '\0';
1351: }
1352: }
1353:
1354: ARRAY_FREE(&list);
1355: return (prefix);
1356: }
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