Annotation of src/usr.bin/tmux/status.c, Revision 1.121
1.121 ! nicm 1: /* $OpenBSD: status.c,v 1.120 2015/02/01 23:43:23 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 *
1.120 nicm 78: status_redraw_get_left(struct client *c, time_t t, int utf8flag,
79: struct grid_cell *gc, size_t *size)
1.48 nicm 80: {
81: struct session *s = c->session;
1.120 nicm 82: const char *template;
1.48 nicm 83: char *left;
84: size_t leftlen;
85:
1.108 nicm 86: style_apply_update(gc, &s->options, "status-left-style");
1.48 nicm 87:
1.120 nicm 88: template = options_get_string(&s->options, "status-left");
89: left = status_replace(c, NULL, template , t, 1);
1.48 nicm 90:
91: *size = options_get_number(&s->options, "status-left-length");
92: leftlen = screen_write_cstrlen(utf8flag, "%s", left);
93: if (leftlen < *size)
94: *size = leftlen;
95: return (left);
96: }
97:
98: /* Retrieve options for right string. */
99: char *
1.120 nicm 100: status_redraw_get_right(struct client *c, time_t t, int utf8flag,
101: struct grid_cell *gc, size_t *size)
1.48 nicm 102: {
103: struct session *s = c->session;
1.120 nicm 104: const char *template;
1.48 nicm 105: char *right;
106: size_t rightlen;
107:
1.108 nicm 108: style_apply_update(gc, &s->options, "status-right-style");
1.48 nicm 109:
1.120 nicm 110: template = options_get_string(&s->options, "status-right");
111: right = status_replace(c, NULL, template, t, 1);
1.48 nicm 112:
113: *size = options_get_number(&s->options, "status-right-length");
114: rightlen = screen_write_cstrlen(utf8flag, "%s", right);
115: if (rightlen < *size)
116: *size = rightlen;
117: return (right);
118: }
119:
1.73 nicm 120: /* Set window at window list position. */
121: void
122: status_set_window_at(struct client *c, u_int x)
123: {
124: struct session *s = c->session;
125: struct winlink *wl;
1.115 nicm 126: struct options *oo;
127: size_t len;
1.73 nicm 128:
1.88 nicm 129: x += c->wlmouse;
1.73 nicm 130: RB_FOREACH(wl, winlinks, &s->windows) {
1.115 nicm 131: oo = &wl->window->options;
132:
133: len = strlen(options_get_string(oo, "window-status-separator"));
1.107 nicm 134: if (x < wl->status_width && session_select(s, wl->idx) == 0)
1.73 nicm 135: server_redraw_session(s);
1.115 nicm 136: x -= wl->status_width + len;
1.73 nicm 137: }
138: }
139:
1.1 nicm 140: /* Draw status for client on the last lines of given context. */
141: int
142: status_redraw(struct client *c)
143: {
1.48 nicm 144: struct screen_write_ctx ctx;
145: struct session *s = c->session;
146: struct winlink *wl;
147: struct screen old_status, window_list;
148: struct grid_cell stdgc, lgc, rgc, gc;
1.91 nicm 149: struct options *oo;
1.48 nicm 150: time_t t;
1.91 nicm 151: char *left, *right, *sep;
1.48 nicm 152: u_int offset, needed;
153: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
1.91 nicm 154: size_t llen, rlen, seplen;
1.48 nicm 155: int larrow, rarrow, utf8flag;
1.1 nicm 156:
1.49 nicm 157: /* No status line? */
1.7 nicm 158: if (c->tty.sy == 0 || !options_get_number(&s->options, "status"))
159: return (1);
1.48 nicm 160: left = right = NULL;
1.7 nicm 161: larrow = rarrow = 0;
1.1 nicm 162:
1.48 nicm 163: /* Update status timer. */
1.1 nicm 164: if (gettimeofday(&c->status_timer, NULL) != 0)
1.34 nicm 165: fatal("gettimeofday failed");
1.48 nicm 166: t = c->status_timer.tv_sec;
167:
168: /* Set up default colour. */
1.108 nicm 169: style_apply(&stdgc, &s->options, "status-style");
1.1 nicm 170:
1.48 nicm 171: /* Create the target screen. */
172: memcpy(&old_status, &c->status, sizeof old_status);
173: screen_init(&c->status, c->tty.sx, 1, 0);
174: screen_write_start(&ctx, NULL, &c->status);
175: for (offset = 0; offset < c->tty.sx; offset++)
176: screen_write_putc(&ctx, &stdgc, ' ');
177: screen_write_stop(&ctx);
178:
179: /* If the height is one line, blank status line. */
180: if (c->tty.sy <= 1)
181: goto out;
1.1 nicm 182:
1.48 nicm 183: /* Get UTF-8 flag. */
1.3 nicm 184: utf8flag = options_get_number(&s->options, "status-utf8");
185:
1.48 nicm 186: /* Work out left and right strings. */
187: memcpy(&lgc, &stdgc, sizeof lgc);
188: left = status_redraw_get_left(c, t, utf8flag, &lgc, &llen);
189: memcpy(&rgc, &stdgc, sizeof rgc);
190: right = status_redraw_get_right(c, t, utf8flag, &rgc, &rlen);
1.1 nicm 191:
192: /*
1.48 nicm 193: * Figure out how much space we have for the window list. If there
194: * isn't enough space, just show a blank status line.
1.1 nicm 195: */
1.55 nicm 196: needed = 0;
1.1 nicm 197: if (llen != 0)
1.118 nicm 198: needed += llen;
1.1 nicm 199: if (rlen != 0)
1.118 nicm 200: needed += rlen;
1.48 nicm 201: if (c->tty.sx == 0 || c->tty.sx <= needed)
202: goto out;
203: wlavailable = c->tty.sx - needed;
1.1 nicm 204:
1.48 nicm 205: /* Calculate the total size needed for the window list. */
206: wlstart = wloffset = wlwidth = 0;
1.1 nicm 207: RB_FOREACH(wl, winlinks, &s->windows) {
1.94 nicm 208: free(wl->status_text);
1.48 nicm 209: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
210: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.55 nicm 211: wl->status_width =
1.48 nicm 212: screen_write_cstrlen(utf8flag, "%s", wl->status_text);
213:
1.1 nicm 214: if (wl == s->curw)
1.48 nicm 215: wloffset = wlwidth;
1.91 nicm 216:
217: oo = &wl->window->options;
218: sep = options_get_string(oo, "window-status-separator");
219: seplen = screen_write_strlen(utf8flag, "%s", sep);
220: wlwidth += wl->status_width + seplen;
1.48 nicm 221: }
222:
223: /* Create a new screen for the window list. */
224: screen_init(&window_list, wlwidth, 1, 0);
225:
226: /* And draw the window list into it. */
227: screen_write_start(&ctx, NULL, &window_list);
228: RB_FOREACH(wl, winlinks, &s->windows) {
1.55 nicm 229: screen_write_cnputs(&ctx,
1.48 nicm 230: -1, &wl->status_cell, utf8flag, "%s", wl->status_text);
1.91 nicm 231:
232: oo = &wl->window->options;
233: sep = options_get_string(oo, "window-status-separator");
234: screen_write_nputs(&ctx, -1, &stdgc, utf8flag, "%s", sep);
1.1 nicm 235: }
1.48 nicm 236: screen_write_stop(&ctx);
1.1 nicm 237:
1.48 nicm 238: /* If there is enough space for the total width, skip to draw now. */
239: if (wlwidth <= wlavailable)
1.1 nicm 240: goto draw;
241:
242: /* Find size of current window text. */
1.48 nicm 243: wlsize = s->curw->status_width;
1.1 nicm 244:
245: /*
1.48 nicm 246: * If the current window is already on screen, good to draw from the
1.1 nicm 247: * start and just leave off the end.
248: */
1.48 nicm 249: if (wloffset + wlsize < wlavailable) {
250: if (wlavailable > 0) {
251: rarrow = 1;
252: wlavailable--;
253: }
254: wlwidth = wlavailable;
255: } else {
256: /*
257: * Work out how many characters we need to omit from the
258: * start. There are wlavailable characters to fill, and
259: * wloffset + wlsize must be the last. So, the start character
260: * is wloffset + wlsize - wlavailable.
261: */
262: if (wlavailable > 0) {
263: larrow = 1;
264: wlavailable--;
265: }
1.55 nicm 266:
1.48 nicm 267: wlstart = wloffset + wlsize - wlavailable;
268: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 269: rarrow = 1;
1.48 nicm 270: wlstart++;
271: wlavailable--;
1.1 nicm 272: }
1.48 nicm 273: wlwidth = wlavailable;
274: }
1.1 nicm 275:
1.48 nicm 276: /* Bail if anything is now too small too. */
277: if (wlwidth == 0 || wlavailable == 0) {
278: screen_free(&window_list);
279: goto out;
1.1 nicm 280: }
281:
282: /*
1.48 nicm 283: * Now the start position is known, work out the state of the left and
284: * right arrows.
1.1 nicm 285: */
286: offset = 0;
287: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 288: if (wl->flags & WINLINK_ALERTFLAGS &&
289: larrow == 1 && offset < wlstart)
290: larrow = -1;
1.1 nicm 291:
1.48 nicm 292: offset += wl->status_width;
1.1 nicm 293:
1.63 nicm 294: if (wl->flags & WINLINK_ALERTFLAGS &&
295: rarrow == 1 && offset > wlstart + wlwidth)
296: rarrow = -1;
1.1 nicm 297: }
298:
1.48 nicm 299: draw:
1.55 nicm 300: /* Begin drawing. */
1.48 nicm 301: screen_write_start(&ctx, NULL, &c->status);
1.1 nicm 302:
1.48 nicm 303: /* Draw the left string and arrow. */
304: screen_write_cursormove(&ctx, 0, 0);
1.118 nicm 305: if (llen != 0)
1.48 nicm 306: screen_write_cnputs(&ctx, llen, &lgc, utf8flag, "%s", left);
1.1 nicm 307: if (larrow != 0) {
308: memcpy(&gc, &stdgc, sizeof gc);
309: if (larrow == -1)
310: gc.attr ^= GRID_ATTR_REVERSE;
311: screen_write_putc(&ctx, &gc, '<');
312: }
1.48 nicm 313:
314: /* Draw the right string and arrow. */
1.1 nicm 315: if (rarrow != 0) {
1.118 nicm 316: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
1.1 nicm 317: memcpy(&gc, &stdgc, sizeof gc);
318: if (rarrow == -1)
319: gc.attr ^= GRID_ATTR_REVERSE;
320: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 321: } else
1.118 nicm 322: screen_write_cursormove(&ctx, c->tty.sx - rlen, 0);
323: if (rlen != 0)
1.48 nicm 324: screen_write_cnputs(&ctx, rlen, &rgc, utf8flag, "%s", right);
1.1 nicm 325:
1.48 nicm 326: /* Figure out the offset for the window list. */
1.58 nicm 327: if (llen != 0)
1.118 nicm 328: wloffset = llen;
1.58 nicm 329: else
330: wloffset = 0;
1.48 nicm 331: if (wlwidth < wlavailable) {
332: switch (options_get_number(&s->options, "status-justify")) {
1.119 sthen 333: case 1: /* centred */
1.58 nicm 334: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 335: break;
336: case 2: /* right */
1.58 nicm 337: wloffset += (wlavailable - wlwidth);
1.48 nicm 338: break;
339: }
340: }
341: if (larrow != 0)
342: wloffset++;
343:
344: /* Copy the window list. */
1.88 nicm 345: c->wlmouse = -wloffset + wlstart;
1.48 nicm 346: screen_write_cursormove(&ctx, wloffset, 0);
347: screen_write_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 348: screen_free(&window_list);
1.1 nicm 349:
1.48 nicm 350: screen_write_stop(&ctx);
1.1 nicm 351:
352: out:
1.94 nicm 353: free(left);
354: free(right);
1.1 nicm 355:
356: if (grid_compare(c->status.grid, old_status.grid) == 0) {
357: screen_free(&old_status);
358: return (0);
359: }
360: screen_free(&old_status);
361: return (1);
362: }
363:
1.46 nicm 364: /* Replace a single special sequence (prefixed by #). */
365: void
1.104 nicm 366: status_replace1(struct client *c, char **iptr, char **optr, char *out,
1.72 nicm 367: size_t outsize, int jobsflag)
368: {
1.104 nicm 369: char ch, tmp[256], *ptr, *endptr;
1.72 nicm 370: size_t ptrlen;
371: long limit;
1.46 nicm 372:
373: errno = 0;
374: limit = strtol(*iptr, &endptr, 10);
375: if ((limit == 0 && errno != EINVAL) ||
376: (limit == LONG_MIN && errno != ERANGE) ||
1.55 nicm 377: (limit == LONG_MAX && errno != ERANGE) ||
1.46 nicm 378: limit != 0)
379: *iptr = endptr;
380: if (limit <= 0)
381: limit = LONG_MAX;
382:
383: switch (*(*iptr)++) {
384: case '(':
385: if (!jobsflag) {
386: ch = ')';
387: goto skip_to;
388: }
1.71 nicm 389: if ((ptr = status_find_job(c, iptr)) == NULL)
1.46 nicm 390: return;
391: goto do_replace;
392: case '[':
1.55 nicm 393: /*
1.46 nicm 394: * Embedded style, handled at display time. Leave present and
395: * skip input until ].
396: */
397: ch = ']';
398: goto skip_to;
1.96 nicm 399: case '{':
400: ptr = (char *) "#{";
401: goto do_replace;
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 *
1.120 nicm 437: status_replace(struct client *c, struct winlink *wl, const char *fmt, time_t t,
438: int jobsflag)
1.46 nicm 439: {
1.120 nicm 440: struct session *s = NULL;
441: struct window_pane *wp = NULL;
1.96 nicm 442: static char out[BUFSIZ];
1.98 nicm 443: char in[BUFSIZ], ch, *iptr, *optr, *expanded;
1.96 nicm 444: size_t len;
445: struct format_tree *ft;
1.47 nicm 446:
1.93 nicm 447: if (fmt == NULL)
448: return (xstrdup(""));
449:
1.120 nicm 450: if (c != NULL)
1.96 nicm 451: s = c->session;
1.109 nicm 452: if (wl == NULL && s != NULL)
1.96 nicm 453: wl = s->curw;
1.120 nicm 454: if (wl != NULL)
1.96 nicm 455: wp = wl->window->active;
456:
1.86 nicm 457: len = strftime(in, sizeof in, fmt, localtime(&t));
458: in[len] = '\0';
1.1 nicm 459:
460: iptr = in;
461: optr = out;
462:
463: while (*iptr != '\0') {
464: if (optr >= out + (sizeof out) - 1)
465: break;
1.46 nicm 466: ch = *iptr++;
467:
1.70 nicm 468: if (ch != '#' || *iptr == '\0') {
1.1 nicm 469: *optr++ = ch;
1.46 nicm 470: continue;
1.1 nicm 471: }
1.104 nicm 472: status_replace1(c, &iptr, &optr, out, sizeof out, jobsflag);
1.1 nicm 473: }
474: *optr = '\0';
475:
1.96 nicm 476: ft = format_create();
1.121 ! nicm 477: format_defaults(ft, c, s, wl, wp);
1.99 nicm 478: expanded = format_expand(ft, out);
479: format_free(ft);
480: return (expanded);
1.1 nicm 481: }
482:
1.46 nicm 483: /* Figure out job name and get its result, starting it off if necessary. */
1.1 nicm 484: char *
1.71 nicm 485: status_find_job(struct client *c, char **iptr)
1.1 nicm 486: {
1.71 nicm 487: struct status_out *so, so_find;
488: char *cmd;
489: int lastesc;
490: size_t len;
1.1 nicm 491:
492: if (**iptr == '\0')
493: return (NULL);
494: if (**iptr == ')') { /* no command given */
495: (*iptr)++;
496: return (NULL);
497: }
498:
499: cmd = xmalloc(strlen(*iptr) + 1);
500: len = 0;
501:
502: lastesc = 0;
503: for (; **iptr != '\0'; (*iptr)++) {
504: if (!lastesc && **iptr == ')')
505: break; /* unescaped ) is the end */
506: if (!lastesc && **iptr == '\\') {
507: lastesc = 1;
508: continue; /* skip \ if not escaped */
509: }
510: lastesc = 0;
511: cmd[len++] = **iptr;
512: }
1.38 nicm 513: if (**iptr == '\0') /* no terminating ) */ {
1.94 nicm 514: free(cmd);
1.38 nicm 515: return (NULL);
516: }
1.1 nicm 517: (*iptr)++; /* skip final ) */
518: cmd[len] = '\0';
519:
1.71 nicm 520: /* First try in the new tree. */
521: so_find.cmd = cmd;
522: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
1.78 nicm 523: if (so != NULL && so->out != NULL) {
1.94 nicm 524: free(cmd);
1.71 nicm 525: return (so->out);
1.78 nicm 526: }
1.71 nicm 527:
528: /* If not found at all, start the job and add to the tree. */
529: if (so == NULL) {
1.103 nicm 530: job_run(cmd, NULL, status_job_callback, status_job_free, c);
1.71 nicm 531: c->references++;
532:
533: so = xmalloc(sizeof *so);
534: so->cmd = xstrdup(cmd);
535: so->out = NULL;
536: RB_INSERT(status_out_tree, &c->status_new, so);
537: }
538:
539: /* Lookup in the old tree. */
540: so_find.cmd = cmd;
541: so = RB_FIND(status_out_tree, &c->status_old, &so_find);
1.94 nicm 542: free(cmd);
1.71 nicm 543: if (so != NULL)
544: return (so->out);
545: return (NULL);
546: }
547:
548: /* Free job tree. */
549: void
550: status_free_jobs(struct status_out_tree *sotree)
551: {
552: struct status_out *so, *so_next;
553:
554: so_next = RB_MIN(status_out_tree, sotree);
555: while (so_next != NULL) {
556: so = so_next;
557: so_next = RB_NEXT(status_out_tree, sotree, so);
558:
559: RB_REMOVE(status_out_tree, sotree, so);
1.94 nicm 560: free(so->out);
561: free(so->cmd);
562: free(so);
1.38 nicm 563: }
1.71 nicm 564: }
565:
566: /* Update jobs on status interval. */
567: void
568: status_update_jobs(struct client *c)
569: {
570: /* Free the old tree. */
571: status_free_jobs(&c->status_old);
572:
573: /* Move the new to old. */
574: memcpy(&c->status_old, &c->status_new, sizeof c->status_old);
575: RB_INIT(&c->status_new);
576: }
577:
578: /* Free status job. */
579: void
580: status_job_free(void *data)
581: {
582: struct client *c = data;
583:
584: c->references--;
1.38 nicm 585: }
1.1 nicm 586:
1.46 nicm 587: /* Job has finished: save its result. */
1.38 nicm 588: void
589: status_job_callback(struct job *job)
590: {
1.71 nicm 591: struct client *c = job->data;
592: struct status_out *so, so_find;
593: char *line, *buf;
594: size_t len;
595:
596: if (c->flags & CLIENT_DEAD)
597: return;
598:
599: so_find.cmd = job->cmd;
600: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
601: if (so == NULL || so->out != NULL)
602: return;
1.38 nicm 603:
1.41 nicm 604: buf = NULL;
605: if ((line = evbuffer_readline(job->event->input)) == NULL) {
606: len = EVBUFFER_LENGTH(job->event->input);
607: buf = xmalloc(len + 1);
608: if (len != 0)
609: memcpy(buf, EVBUFFER_DATA(job->event->input), len);
610: buf[len] = '\0';
1.71 nicm 611: } else
1.102 nicm 612: buf = line;
1.1 nicm 613:
1.71 nicm 614: so->out = buf;
1.75 nicm 615: server_status_client(c);
1.1 nicm 616: }
617:
1.46 nicm 618: /* Return winlink status line entry and adjust gc as necessary. */
1.1 nicm 619: char *
1.120 nicm 620: status_print(struct client *c, struct winlink *wl, time_t t,
621: struct grid_cell *gc)
1.1 nicm 622: {
1.33 nicm 623: struct options *oo = &wl->window->options;
1.47 nicm 624: struct session *s = c->session;
625: const char *fmt;
626: char *text;
1.1 nicm 627:
1.108 nicm 628: style_apply_update(gc, oo, "window-status-style");
1.47 nicm 629: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 630: if (wl == s->curw) {
1.108 nicm 631: style_apply_update(gc, oo, "window-status-current-style");
1.47 nicm 632: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 633: }
1.108 nicm 634: if (wl == TAILQ_FIRST(&s->lastw))
635: style_apply_update(gc, oo, "window-status-last-style");
636:
637: if (wl->flags & WINLINK_BELL)
638: style_apply_update(gc, oo, "window-status-bell-style");
639: else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
640: style_apply_update(gc, oo, "window-status-activity-style");
1.1 nicm 641:
1.120 nicm 642: text = status_replace(c, wl, fmt, t, 1);
1.1 nicm 643: return (text);
644: }
645:
1.46 nicm 646: /* Set a status line message. */
1.117 nicm 647: void
1.10 nicm 648: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 649: {
1.44 nicm 650: struct timeval tv;
651: struct message_entry *msg;
652: va_list ap;
653: int delay;
654: u_int i, limit;
1.1 nicm 655:
1.12 nicm 656: status_prompt_clear(c);
657: status_message_clear(c);
658:
1.28 nicm 659: va_start(ap, fmt);
660: xvasprintf(&c->message_string, fmt, ap);
661: va_end(ap);
662:
1.44 nicm 663: ARRAY_EXPAND(&c->message_log, 1);
664: msg = &ARRAY_LAST(&c->message_log);
665: msg->msg_time = time(NULL);
666: msg->msg = xstrdup(c->message_string);
667:
1.111 nicm 668: limit = options_get_number(&global_options, "message-limit");
1.50 nicm 669: if (ARRAY_LENGTH(&c->message_log) > limit) {
670: limit = ARRAY_LENGTH(&c->message_log) - limit;
671: for (i = 0; i < limit; i++) {
672: msg = &ARRAY_FIRST(&c->message_log);
1.94 nicm 673: free(msg->msg);
1.50 nicm 674: ARRAY_REMOVE(&c->message_log, 0);
675: }
1.44 nicm 676: }
677:
1.1 nicm 678: delay = options_get_number(&c->session->options, "display-time");
679: tv.tv_sec = delay / 1000;
680: tv.tv_usec = (delay % 1000) * 1000L;
1.44 nicm 681:
1.110 nicm 682: if (event_initialized(&c->message_timer))
1.90 nicm 683: evtimer_del(&c->message_timer);
1.42 nicm 684: evtimer_set(&c->message_timer, status_message_callback, c);
685: evtimer_add(&c->message_timer, &tv);
1.1 nicm 686:
687: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
688: c->flags |= CLIENT_STATUS;
689: }
690:
1.46 nicm 691: /* Clear status line message. */
1.1 nicm 692: void
693: status_message_clear(struct client *c)
694: {
695: if (c->message_string == NULL)
696: return;
697:
1.94 nicm 698: free(c->message_string);
1.1 nicm 699: c->message_string = NULL;
700:
701: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 702: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 703:
704: screen_reinit(&c->status);
1.42 nicm 705: }
706:
1.46 nicm 707: /* Clear status line message after timer expires. */
1.42 nicm 708: void
709: status_message_callback(unused int fd, unused short event, void *data)
710: {
711: struct client *c = data;
712:
713: status_message_clear(c);
1.1 nicm 714: }
715:
716: /* Draw client message on status line of present else on last line. */
717: int
718: status_message_redraw(struct client *c)
719: {
720: struct screen_write_ctx ctx;
721: struct session *s = c->session;
722: struct screen old_status;
723: size_t len;
724: struct grid_cell gc;
1.51 nicm 725: int utf8flag;
1.1 nicm 726:
727: if (c->tty.sx == 0 || c->tty.sy == 0)
728: return (0);
729: memcpy(&old_status, &c->status, sizeof old_status);
730: screen_init(&c->status, c->tty.sx, 1, 0);
731:
1.51 nicm 732: utf8flag = options_get_number(&s->options, "status-utf8");
733:
734: len = screen_write_strlen(utf8flag, "%s", c->message_string);
1.1 nicm 735: if (len > c->tty.sx)
736: len = c->tty.sx;
737:
1.108 nicm 738: style_apply(&gc, &s->options, "message-style");
1.1 nicm 739:
740: screen_write_start(&ctx, NULL, &c->status);
741:
742: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 743: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->message_string);
1.1 nicm 744: for (; len < c->tty.sx; len++)
745: screen_write_putc(&ctx, &gc, ' ');
746:
747: screen_write_stop(&ctx);
748:
749: if (grid_compare(c->status.grid, old_status.grid) == 0) {
750: screen_free(&old_status);
751: return (0);
752: }
753: screen_free(&old_status);
754: return (1);
755: }
756:
1.46 nicm 757: /* Enable status line prompt. */
1.1 nicm 758: void
1.76 nicm 759: status_prompt_set(struct client *c, const char *msg, const char *input,
1.12 nicm 760: int (*callbackfn)(void *, const char *), void (*freefn)(void *),
761: void *data, int flags)
1.1 nicm 762: {
1.20 nicm 763: int keys;
764:
1.12 nicm 765: status_message_clear(c);
766: status_prompt_clear(c);
767:
1.120 nicm 768: c->prompt_string = status_replace(c, NULL, msg, time(NULL), 0);
1.1 nicm 769:
1.120 nicm 770: c->prompt_buffer = status_replace(c, NULL, input, time(NULL), 0);
1.76 nicm 771: c->prompt_index = strlen(c->prompt_buffer);
1.1 nicm 772:
1.12 nicm 773: c->prompt_callbackfn = callbackfn;
774: c->prompt_freefn = freefn;
1.1 nicm 775: c->prompt_data = data;
776:
777: c->prompt_hindex = 0;
778:
779: c->prompt_flags = flags;
780:
1.20 nicm 781: keys = options_get_number(&c->session->options, "status-keys");
782: if (keys == MODEKEY_EMACS)
1.21 nicm 783: mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
1.20 nicm 784: else
1.21 nicm 785: mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
1.1 nicm 786:
787: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
788: c->flags |= CLIENT_STATUS;
789: }
790:
1.46 nicm 791: /* Remove status line prompt. */
1.1 nicm 792: void
793: status_prompt_clear(struct client *c)
794: {
1.55 nicm 795: if (c->prompt_string == NULL)
1.1 nicm 796: return;
797:
1.12 nicm 798: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
799: c->prompt_freefn(c->prompt_data);
1.1 nicm 800:
1.94 nicm 801: free(c->prompt_string);
1.1 nicm 802: c->prompt_string = NULL;
803:
1.94 nicm 804: free(c->prompt_buffer);
1.1 nicm 805: c->prompt_buffer = NULL;
806:
807: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 808: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 809:
810: screen_reinit(&c->status);
1.27 nicm 811: }
812:
1.46 nicm 813: /* Update status line prompt with a new prompt string. */
1.27 nicm 814: void
1.76 nicm 815: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 816: {
1.94 nicm 817: free(c->prompt_string);
1.120 nicm 818: c->prompt_string = status_replace(c, NULL, msg, time(NULL), 0);
1.27 nicm 819:
1.94 nicm 820: free(c->prompt_buffer);
1.120 nicm 821: c->prompt_buffer = status_replace(c, NULL, input, time(NULL), 0);
1.76 nicm 822: c->prompt_index = strlen(c->prompt_buffer);
1.27 nicm 823:
824: c->prompt_hindex = 0;
825:
826: c->flags |= CLIENT_STATUS;
1.1 nicm 827: }
828:
829: /* Draw client prompt on status line of present else on last line. */
830: int
831: status_prompt_redraw(struct client *c)
832: {
1.51 nicm 833: struct screen_write_ctx ctx;
1.1 nicm 834: struct session *s = c->session;
835: struct screen old_status;
1.29 nicm 836: size_t i, size, left, len, off;
1.51 nicm 837: struct grid_cell gc, *gcp;
838: int utf8flag;
1.1 nicm 839:
840: if (c->tty.sx == 0 || c->tty.sy == 0)
841: return (0);
842: memcpy(&old_status, &c->status, sizeof old_status);
843: screen_init(&c->status, c->tty.sx, 1, 0);
844:
1.51 nicm 845: utf8flag = options_get_number(&s->options, "status-utf8");
846:
847: len = screen_write_strlen(utf8flag, "%s", c->prompt_string);
1.1 nicm 848: if (len > c->tty.sx)
849: len = c->tty.sx;
1.51 nicm 850: off = 0;
1.1 nicm 851:
1.79 nicm 852: /* Change colours for command mode. */
1.108 nicm 853: if (c->prompt_mdata.mode == 1)
854: style_apply(&gc, &s->options, "message-command-style");
855: else
856: style_apply(&gc, &s->options, "message-style");
1.1 nicm 857:
858: screen_write_start(&ctx, NULL, &c->status);
859:
860: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 861: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->prompt_string);
1.1 nicm 862:
863: left = c->tty.sx - len;
864: if (left != 0) {
1.51 nicm 865: size = screen_write_strlen(utf8flag, "%s", c->prompt_buffer);
866: if (c->prompt_index >= left) {
1.17 nicm 867: off = c->prompt_index - left + 1;
1.51 nicm 868: if (c->prompt_index == size)
1.1 nicm 869: left--;
870: size = left;
871: }
1.51 nicm 872: screen_write_nputs(
873: &ctx, left, &gc, utf8flag, "%s", c->prompt_buffer + off);
1.1 nicm 874:
1.55 nicm 875: for (i = len + size; i < c->tty.sx; i++)
876: screen_write_putc(&ctx, &gc, ' ');
1.1 nicm 877: }
878:
879: screen_write_stop(&ctx);
1.51 nicm 880:
881: /* Apply fake cursor. */
882: off = len + c->prompt_index - off;
883: gcp = grid_view_get_cell(c->status.grid, off, 0);
884: gcp->attr ^= GRID_ATTR_REVERSE;
1.1 nicm 885:
886: if (grid_compare(c->status.grid, old_status.grid) == 0) {
887: screen_free(&old_status);
888: return (0);
889: }
890: screen_free(&old_status);
891: return (1);
892: }
893:
894: /* Handle keys in prompt. */
895: void
896: status_prompt_key(struct client *c, int key)
897: {
1.81 nicm 898: struct session *sess = c->session;
899: struct options *oo = &sess->options;
1.1 nicm 900: struct paste_buffer *pb;
1.81 nicm 901: char *s, *first, *last, word[64], swapc;
902: const char *histstr;
1.83 nicm 903: const char *wsep = NULL;
1.53 nicm 904: u_char ch;
1.1 nicm 905: size_t size, n, off, idx;
906:
907: size = strlen(c->prompt_buffer);
1.101 nicm 908: switch (mode_key_lookup(&c->prompt_mdata, key, NULL)) {
1.20 nicm 909: case MODEKEYEDIT_CURSORLEFT:
1.1 nicm 910: if (c->prompt_index > 0) {
911: c->prompt_index--;
912: c->flags |= CLIENT_STATUS;
913: }
914: break;
1.79 nicm 915: case MODEKEYEDIT_SWITCHMODE:
916: c->flags |= CLIENT_STATUS;
917: break;
1.20 nicm 918: case MODEKEYEDIT_SWITCHMODEAPPEND:
1.79 nicm 919: c->flags |= CLIENT_STATUS;
920: /* FALLTHROUGH */
1.20 nicm 921: case MODEKEYEDIT_CURSORRIGHT:
1.1 nicm 922: if (c->prompt_index < size) {
923: c->prompt_index++;
924: c->flags |= CLIENT_STATUS;
925: }
926: break;
1.89 nicm 927: case MODEKEYEDIT_SWITCHMODEBEGINLINE:
928: c->flags |= CLIENT_STATUS;
929: /* FALLTHROUGH */
1.20 nicm 930: case MODEKEYEDIT_STARTOFLINE:
1.1 nicm 931: if (c->prompt_index != 0) {
932: c->prompt_index = 0;
933: c->flags |= CLIENT_STATUS;
934: }
935: break;
1.89 nicm 936: case MODEKEYEDIT_SWITCHMODEAPPENDLINE:
937: c->flags |= CLIENT_STATUS;
938: /* FALLTHROUGH */
1.20 nicm 939: case MODEKEYEDIT_ENDOFLINE:
1.1 nicm 940: if (c->prompt_index != size) {
941: c->prompt_index = size;
942: c->flags |= CLIENT_STATUS;
943: }
944: break;
1.20 nicm 945: case MODEKEYEDIT_COMPLETE:
1.1 nicm 946: if (*c->prompt_buffer == '\0')
947: break;
948:
949: idx = c->prompt_index;
950: if (idx != 0)
951: idx--;
952:
953: /* Find the word we are in. */
954: first = c->prompt_buffer + idx;
955: while (first > c->prompt_buffer && *first != ' ')
956: first--;
957: while (*first == ' ')
958: first++;
959: last = c->prompt_buffer + idx;
960: while (*last != '\0' && *last != ' ')
961: last++;
962: while (*last == ' ')
963: last--;
964: if (*last != '\0')
965: last++;
966: if (last <= first ||
967: ((size_t) (last - first)) > (sizeof word) - 1)
968: break;
969: memcpy(word, first, last - first);
970: word[last - first] = '\0';
971:
972: /* And try to complete it. */
973: if ((s = status_prompt_complete(word)) == NULL)
974: break;
975:
976: /* Trim out word. */
977: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
978: memmove(first, last, n);
979: size -= last - first;
980:
981: /* Insert the new word. */
1.55 nicm 982: size += strlen(s);
1.1 nicm 983: off = first - c->prompt_buffer;
1.116 nicm 984: c->prompt_buffer = xrealloc(c->prompt_buffer, size + 1);
1.1 nicm 985: first = c->prompt_buffer + off;
1.55 nicm 986: memmove(first + strlen(s), first, n);
987: memcpy(first, s, strlen(s));
1.1 nicm 988:
989: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 990: free(s);
1.1 nicm 991:
992: c->flags |= CLIENT_STATUS;
993: break;
1.20 nicm 994: case MODEKEYEDIT_BACKSPACE:
1.1 nicm 995: if (c->prompt_index != 0) {
996: if (c->prompt_index == size)
997: c->prompt_buffer[--c->prompt_index] = '\0';
998: else {
999: memmove(c->prompt_buffer + c->prompt_index - 1,
1000: c->prompt_buffer + c->prompt_index,
1001: size + 1 - c->prompt_index);
1002: c->prompt_index--;
1003: }
1004: c->flags |= CLIENT_STATUS;
1005: }
1006: break;
1.55 nicm 1007: case MODEKEYEDIT_DELETE:
1.105 nicm 1008: case MODEKEYEDIT_SWITCHMODESUBSTITUTE:
1.1 nicm 1009: if (c->prompt_index != size) {
1010: memmove(c->prompt_buffer + c->prompt_index,
1011: c->prompt_buffer + c->prompt_index + 1,
1012: size + 1 - c->prompt_index);
1.18 nicm 1013: c->flags |= CLIENT_STATUS;
1014: }
1.26 nicm 1015: break;
1016: case MODEKEYEDIT_DELETELINE:
1.105 nicm 1017: case MODEKEYEDIT_SWITCHMODESUBSTITUTELINE:
1.26 nicm 1018: *c->prompt_buffer = '\0';
1019: c->prompt_index = 0;
1020: c->flags |= CLIENT_STATUS;
1.18 nicm 1021: break;
1.20 nicm 1022: case MODEKEYEDIT_DELETETOENDOFLINE:
1.105 nicm 1023: case MODEKEYEDIT_SWITCHMODECHANGELINE:
1.18 nicm 1024: if (c->prompt_index < size) {
1025: c->prompt_buffer[c->prompt_index] = '\0';
1.1 nicm 1026: c->flags |= CLIENT_STATUS;
1027: }
1028: break;
1.81 nicm 1029: case MODEKEYEDIT_DELETEWORD:
1030: wsep = options_get_string(oo, "word-separators");
1031: idx = c->prompt_index;
1032:
1033: /* Find a non-separator. */
1034: while (idx != 0) {
1035: idx--;
1036: if (!strchr(wsep, c->prompt_buffer[idx]))
1037: break;
1038: }
1039:
1040: /* Find the separator at the beginning of the word. */
1041: while (idx != 0) {
1042: idx--;
1043: if (strchr(wsep, c->prompt_buffer[idx])) {
1044: /* Go back to the word. */
1045: idx++;
1046: break;
1047: }
1048: }
1049:
1050: memmove(c->prompt_buffer + idx,
1051: c->prompt_buffer + c->prompt_index,
1052: size + 1 - c->prompt_index);
1053: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1054: '\0', c->prompt_index - idx);
1055: c->prompt_index = idx;
1056: c->flags |= CLIENT_STATUS;
1057: break;
1.83 nicm 1058: case MODEKEYEDIT_NEXTSPACE:
1059: wsep = " ";
1060: /* FALLTHROUGH */
1.81 nicm 1061: case MODEKEYEDIT_NEXTWORD:
1.83 nicm 1062: if (wsep == NULL)
1063: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1064:
1065: /* Find a separator. */
1066: while (c->prompt_index != size) {
1067: c->prompt_index++;
1068: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1069: break;
1070: }
1071:
1072: /* Find the word right after the separation. */
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: c->flags |= CLIENT_STATUS;
1080: break;
1.83 nicm 1081: case MODEKEYEDIT_NEXTSPACEEND:
1082: wsep = " ";
1083: /* FALLTHROUGH */
1.81 nicm 1084: case MODEKEYEDIT_NEXTWORDEND:
1.83 nicm 1085: if (wsep == NULL)
1086: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1087:
1088: /* Find a word. */
1089: while (c->prompt_index != size) {
1090: c->prompt_index++;
1091: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1092: break;
1093: }
1094:
1095: /* Find the separator at the end of the word. */
1096: while (c->prompt_index != size) {
1097: c->prompt_index++;
1.82 nicm 1098: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1.81 nicm 1099: break;
1100: }
1.106 nicm 1101:
1102: /* Back up to the end-of-word like vi. */
1103: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1104: c->prompt_index != 0)
1105: c->prompt_index--;
1.81 nicm 1106:
1107: c->flags |= CLIENT_STATUS;
1108: break;
1.83 nicm 1109: case MODEKEYEDIT_PREVIOUSSPACE:
1110: wsep = " ";
1111: /* FALLTHROUGH */
1.81 nicm 1112: case MODEKEYEDIT_PREVIOUSWORD:
1.83 nicm 1113: if (wsep == NULL)
1114: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1115:
1116: /* Find a non-separator. */
1117: while (c->prompt_index != 0) {
1118: c->prompt_index--;
1119: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1120: break;
1121: }
1122:
1123: /* Find the separator at the beginning of the word. */
1124: while (c->prompt_index != 0) {
1125: c->prompt_index--;
1126: if (strchr(wsep, c->prompt_buffer[c->prompt_index])) {
1127: /* Go back to the word. */
1128: c->prompt_index++;
1129: break;
1130: }
1131: }
1132:
1133: c->flags |= CLIENT_STATUS;
1134: break;
1.20 nicm 1135: case MODEKEYEDIT_HISTORYUP:
1.66 nicm 1136: histstr = status_prompt_up_history(&c->prompt_hindex);
1137: if (histstr == NULL)
1.1 nicm 1138: break;
1.94 nicm 1139: free(c->prompt_buffer);
1.66 nicm 1140: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1141: c->prompt_index = strlen(c->prompt_buffer);
1142: c->flags |= CLIENT_STATUS;
1143: break;
1.20 nicm 1144: case MODEKEYEDIT_HISTORYDOWN:
1.66 nicm 1145: histstr = status_prompt_down_history(&c->prompt_hindex);
1146: if (histstr == NULL)
1.65 nicm 1147: break;
1.94 nicm 1148: free(c->prompt_buffer);
1.66 nicm 1149: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1150: c->prompt_index = strlen(c->prompt_buffer);
1151: c->flags |= CLIENT_STATUS;
1152: break;
1.20 nicm 1153: case MODEKEYEDIT_PASTE:
1.114 nicm 1154: if ((pb = paste_get_top()) == NULL)
1.1 nicm 1155: break;
1.32 nicm 1156: for (n = 0; n < pb->size; n++) {
1.53 nicm 1157: ch = (u_char) pb->data[n];
1158: if (ch < 32 || ch == 127)
1.32 nicm 1159: break;
1160: }
1.1 nicm 1161:
1.116 nicm 1162: c->prompt_buffer = xrealloc(c->prompt_buffer, size + n + 1);
1.1 nicm 1163: if (c->prompt_index == size) {
1164: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1165: c->prompt_index += n;
1166: c->prompt_buffer[c->prompt_index] = '\0';
1167: } else {
1168: memmove(c->prompt_buffer + c->prompt_index + n,
1169: c->prompt_buffer + c->prompt_index,
1170: size + 1 - c->prompt_index);
1171: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1172: c->prompt_index += n;
1173: }
1174:
1175: c->flags |= CLIENT_STATUS;
1.30 nicm 1176: break;
1177: case MODEKEYEDIT_TRANSPOSECHARS:
1178: idx = c->prompt_index;
1179: if (idx < size)
1180: idx++;
1181: if (idx >= 2) {
1182: swapc = c->prompt_buffer[idx - 2];
1183: c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
1184: c->prompt_buffer[idx - 1] = swapc;
1185: c->prompt_index = idx;
1186: c->flags |= CLIENT_STATUS;
1187: }
1.1 nicm 1188: break;
1.55 nicm 1189: case MODEKEYEDIT_ENTER:
1.25 nicm 1190: if (*c->prompt_buffer != '\0')
1.65 nicm 1191: status_prompt_add_history(c->prompt_buffer);
1.25 nicm 1192: if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
1193: status_prompt_clear(c);
1194: break;
1.20 nicm 1195: case MODEKEYEDIT_CANCEL:
1.12 nicm 1196: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1197: status_prompt_clear(c);
1198: break;
1.20 nicm 1199: case MODEKEY_OTHER:
1.61 nicm 1200: if ((key & 0xff00) != 0 || key < 32 || key == 127)
1.1 nicm 1201: break;
1.116 nicm 1202: c->prompt_buffer = xrealloc(c->prompt_buffer, size + 2);
1.1 nicm 1203:
1204: if (c->prompt_index == size) {
1205: c->prompt_buffer[c->prompt_index++] = key;
1206: c->prompt_buffer[c->prompt_index] = '\0';
1207: } else {
1208: memmove(c->prompt_buffer + c->prompt_index + 1,
1209: c->prompt_buffer + c->prompt_index,
1210: size + 1 - c->prompt_index);
1211: c->prompt_buffer[c->prompt_index++] = key;
1212: }
1213:
1214: if (c->prompt_flags & PROMPT_SINGLE) {
1.12 nicm 1215: if (c->prompt_callbackfn(
1.1 nicm 1216: c->prompt_data, c->prompt_buffer) == 0)
1217: status_prompt_clear(c);
1218: }
1219:
1220: c->flags |= CLIENT_STATUS;
1221: break;
1222: default:
1223: break;
1224: }
1225: }
1226:
1.65 nicm 1227: /* Get previous line from the history. */
1228: const char *
1229: status_prompt_up_history(u_int *idx)
1230: {
1231: u_int size;
1232:
1233: /*
1234: * History runs from 0 to size - 1.
1235: *
1236: * Index is from 0 to size. Zero is empty.
1237: */
1238:
1239: size = ARRAY_LENGTH(&status_prompt_history);
1240: if (size == 0 || *idx == size)
1241: return (NULL);
1242: (*idx)++;
1243: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1244: }
1245:
1246: /* Get next line from the history. */
1247: const char *
1248: status_prompt_down_history(u_int *idx)
1249: {
1250: u_int size;
1251:
1252: size = ARRAY_LENGTH(&status_prompt_history);
1253: if (size == 0 || *idx == 0)
1254: return ("");
1255: (*idx)--;
1256: if (*idx == 0)
1257: return ("");
1258: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1259: }
1260:
1.1 nicm 1261: /* Add line to the history. */
1262: void
1.65 nicm 1263: status_prompt_add_history(const char *line)
1.1 nicm 1264: {
1.65 nicm 1265: u_int size;
1266:
1267: size = ARRAY_LENGTH(&status_prompt_history);
1268: if (size > 0 && strcmp(ARRAY_LAST(&status_prompt_history), line) == 0)
1.1 nicm 1269: return;
1270:
1.65 nicm 1271: if (size == PROMPT_HISTORY) {
1.94 nicm 1272: free(ARRAY_FIRST(&status_prompt_history));
1.65 nicm 1273: ARRAY_REMOVE(&status_prompt_history, 0);
1.1 nicm 1274: }
1275:
1.65 nicm 1276: ARRAY_ADD(&status_prompt_history, xstrdup(line));
1.1 nicm 1277: }
1278:
1279: /* Complete word. */
1280: char *
1281: status_prompt_complete(const char *s)
1282: {
1.69 nicm 1283: const struct cmd_entry **cmdent;
1284: const struct options_table_entry *oe;
1285: ARRAY_DECL(, const char *) list;
1286: char *prefix, *s2;
1287: u_int i;
1288: size_t j;
1.1 nicm 1289:
1290: if (*s == '\0')
1291: return (NULL);
1292:
1293: /* First, build a list of all the possible matches. */
1294: ARRAY_INIT(&list);
1295: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1296: if (strncmp((*cmdent)->name, s, strlen(s)) == 0)
1297: ARRAY_ADD(&list, (*cmdent)->name);
1.56 nicm 1298: }
1.69 nicm 1299: for (oe = server_options_table; oe->name != NULL; oe++) {
1300: if (strncmp(oe->name, s, strlen(s)) == 0)
1301: ARRAY_ADD(&list, oe->name);
1302: }
1303: for (oe = session_options_table; oe->name != NULL; oe++) {
1304: if (strncmp(oe->name, s, strlen(s)) == 0)
1305: ARRAY_ADD(&list, oe->name);
1306: }
1307: for (oe = window_options_table; oe->name != NULL; oe++) {
1308: if (strncmp(oe->name, s, strlen(s)) == 0)
1309: ARRAY_ADD(&list, oe->name);
1.1 nicm 1310: }
1311:
1312: /* If none, bail now. */
1313: if (ARRAY_LENGTH(&list) == 0) {
1314: ARRAY_FREE(&list);
1315: return (NULL);
1316: }
1317:
1318: /* If an exact match, return it, with a trailing space. */
1319: if (ARRAY_LENGTH(&list) == 1) {
1320: xasprintf(&s2, "%s ", ARRAY_FIRST(&list));
1321: ARRAY_FREE(&list);
1322: return (s2);
1323: }
1324:
1325: /* Now loop through the list and find the longest common prefix. */
1326: prefix = xstrdup(ARRAY_FIRST(&list));
1327: for (i = 1; i < ARRAY_LENGTH(&list); i++) {
1328: s = ARRAY_ITEM(&list, i);
1329:
1330: j = strlen(s);
1331: if (j > strlen(prefix))
1332: j = strlen(prefix);
1333: for (; j > 0; j--) {
1334: if (prefix[j - 1] != s[j - 1])
1335: prefix[j - 1] = '\0';
1336: }
1337: }
1338:
1339: ARRAY_FREE(&list);
1340: return (prefix);
1341: }
![[BACK]](/icons/back.gif){kind=icon}
Return to status.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / tmux