Annotation of src/usr.bin/tmux/status.c, Revision 1.107
1.107 ! nicm 1: /* $OpenBSD: status.c,v 1.106 2013/07/05 14:41:36 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;
1.92 nicm 83: int fg, bg, attr;
1.48 nicm 84: size_t leftlen;
85:
86: fg = options_get_number(&s->options, "status-left-fg");
87: if (fg != 8)
88: colour_set_fg(gc, fg);
89: bg = options_get_number(&s->options, "status-left-bg");
90: if (bg != 8)
91: colour_set_bg(gc, bg);
92: attr = options_get_number(&s->options, "status-left-attr");
93: if (attr != 0)
94: gc->attr = attr;
95:
1.72 nicm 96: left = status_replace(c, NULL,
97: NULL, NULL, options_get_string(&s->options, "status-left"), t, 1);
1.48 nicm 98:
99: *size = options_get_number(&s->options, "status-left-length");
100: leftlen = screen_write_cstrlen(utf8flag, "%s", left);
101: if (leftlen < *size)
102: *size = leftlen;
103: return (left);
104: }
105:
106: /* Retrieve options for right string. */
107: char *
108: status_redraw_get_right(struct client *c,
109: time_t t, int utf8flag, struct grid_cell *gc, size_t *size)
110: {
111: struct session *s = c->session;
112: char *right;
1.92 nicm 113: int fg, bg, attr;
1.48 nicm 114: size_t rightlen;
115:
116: fg = options_get_number(&s->options, "status-right-fg");
117: if (fg != 8)
118: colour_set_fg(gc, fg);
119: bg = options_get_number(&s->options, "status-right-bg");
120: if (bg != 8)
121: colour_set_bg(gc, bg);
122: attr = options_get_number(&s->options, "status-right-attr");
123: if (attr != 0)
124: gc->attr = attr;
125:
1.72 nicm 126: right = status_replace(c, NULL,
127: NULL, NULL, options_get_string(&s->options, "status-right"), t, 1);
1.48 nicm 128:
129: *size = options_get_number(&s->options, "status-right-length");
130: rightlen = screen_write_cstrlen(utf8flag, "%s", right);
131: if (rightlen < *size)
132: *size = rightlen;
133: return (right);
134: }
135:
1.73 nicm 136: /* Set window at window list position. */
137: void
138: status_set_window_at(struct client *c, u_int x)
139: {
140: struct session *s = c->session;
141: struct winlink *wl;
142:
1.88 nicm 143: x += c->wlmouse;
1.73 nicm 144: RB_FOREACH(wl, winlinks, &s->windows) {
1.107 ! nicm 145: if (x < wl->status_width && session_select(s, wl->idx) == 0)
1.73 nicm 146: server_redraw_session(s);
147: x -= wl->status_width + 1;
148: }
149: }
150:
1.1 nicm 151: /* Draw status for client on the last lines of given context. */
152: int
153: status_redraw(struct client *c)
154: {
1.48 nicm 155: struct screen_write_ctx ctx;
156: struct session *s = c->session;
157: struct winlink *wl;
158: struct screen old_status, window_list;
159: struct grid_cell stdgc, lgc, rgc, gc;
1.91 nicm 160: struct options *oo;
1.48 nicm 161: time_t t;
1.91 nicm 162: char *left, *right, *sep;
1.48 nicm 163: u_int offset, needed;
164: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
1.91 nicm 165: size_t llen, rlen, seplen;
1.48 nicm 166: int larrow, rarrow, utf8flag;
1.1 nicm 167:
1.49 nicm 168: /* No status line? */
1.7 nicm 169: if (c->tty.sy == 0 || !options_get_number(&s->options, "status"))
170: return (1);
1.48 nicm 171: left = right = NULL;
1.7 nicm 172: larrow = rarrow = 0;
1.1 nicm 173:
1.48 nicm 174: /* Update status timer. */
1.1 nicm 175: if (gettimeofday(&c->status_timer, NULL) != 0)
1.34 nicm 176: fatal("gettimeofday failed");
1.48 nicm 177: t = c->status_timer.tv_sec;
178:
179: /* Set up default colour. */
1.1 nicm 180: memcpy(&stdgc, &grid_default_cell, sizeof gc);
1.33 nicm 181: colour_set_fg(&stdgc, options_get_number(&s->options, "status-fg"));
182: colour_set_bg(&stdgc, options_get_number(&s->options, "status-bg"));
1.1 nicm 183: stdgc.attr |= options_get_number(&s->options, "status-attr");
184:
1.48 nicm 185: /* Create the target screen. */
186: memcpy(&old_status, &c->status, sizeof old_status);
187: screen_init(&c->status, c->tty.sx, 1, 0);
188: screen_write_start(&ctx, NULL, &c->status);
189: for (offset = 0; offset < c->tty.sx; offset++)
190: screen_write_putc(&ctx, &stdgc, ' ');
191: screen_write_stop(&ctx);
192:
193: /* If the height is one line, blank status line. */
194: if (c->tty.sy <= 1)
195: goto out;
1.1 nicm 196:
1.48 nicm 197: /* Get UTF-8 flag. */
1.3 nicm 198: utf8flag = options_get_number(&s->options, "status-utf8");
199:
1.48 nicm 200: /* Work out left and right strings. */
201: memcpy(&lgc, &stdgc, sizeof lgc);
202: left = status_redraw_get_left(c, t, utf8flag, &lgc, &llen);
203: memcpy(&rgc, &stdgc, sizeof rgc);
204: right = status_redraw_get_right(c, t, utf8flag, &rgc, &rlen);
1.1 nicm 205:
206: /*
1.48 nicm 207: * Figure out how much space we have for the window list. If there
208: * isn't enough space, just show a blank status line.
1.1 nicm 209: */
1.55 nicm 210: needed = 0;
1.1 nicm 211: if (llen != 0)
1.48 nicm 212: needed += llen + 1;
1.1 nicm 213: if (rlen != 0)
1.48 nicm 214: needed += rlen + 1;
215: if (c->tty.sx == 0 || c->tty.sx <= needed)
216: goto out;
217: wlavailable = c->tty.sx - needed;
1.1 nicm 218:
1.48 nicm 219: /* Calculate the total size needed for the window list. */
220: wlstart = wloffset = wlwidth = 0;
1.1 nicm 221: RB_FOREACH(wl, winlinks, &s->windows) {
1.94 nicm 222: free(wl->status_text);
1.48 nicm 223: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
224: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.55 nicm 225: wl->status_width =
1.48 nicm 226: screen_write_cstrlen(utf8flag, "%s", wl->status_text);
227:
1.1 nicm 228: if (wl == s->curw)
1.48 nicm 229: wloffset = wlwidth;
1.91 nicm 230:
231: oo = &wl->window->options;
232: sep = options_get_string(oo, "window-status-separator");
233: seplen = screen_write_strlen(utf8flag, "%s", sep);
234: wlwidth += wl->status_width + seplen;
1.48 nicm 235: }
236:
237: /* Create a new screen for the window list. */
238: screen_init(&window_list, wlwidth, 1, 0);
239:
240: /* And draw the window list into it. */
241: screen_write_start(&ctx, NULL, &window_list);
242: RB_FOREACH(wl, winlinks, &s->windows) {
1.55 nicm 243: screen_write_cnputs(&ctx,
1.48 nicm 244: -1, &wl->status_cell, utf8flag, "%s", wl->status_text);
1.91 nicm 245:
246: oo = &wl->window->options;
247: sep = options_get_string(oo, "window-status-separator");
248: screen_write_nputs(&ctx, -1, &stdgc, utf8flag, "%s", sep);
1.1 nicm 249: }
1.48 nicm 250: screen_write_stop(&ctx);
1.1 nicm 251:
1.48 nicm 252: /* If there is enough space for the total width, skip to draw now. */
253: if (wlwidth <= wlavailable)
1.1 nicm 254: goto draw;
255:
256: /* Find size of current window text. */
1.48 nicm 257: wlsize = s->curw->status_width;
1.1 nicm 258:
259: /*
1.48 nicm 260: * If the current window is already on screen, good to draw from the
1.1 nicm 261: * start and just leave off the end.
262: */
1.48 nicm 263: if (wloffset + wlsize < wlavailable) {
264: if (wlavailable > 0) {
265: rarrow = 1;
266: wlavailable--;
267: }
268: wlwidth = wlavailable;
269: } else {
270: /*
271: * Work out how many characters we need to omit from the
272: * start. There are wlavailable characters to fill, and
273: * wloffset + wlsize must be the last. So, the start character
274: * is wloffset + wlsize - wlavailable.
275: */
276: if (wlavailable > 0) {
277: larrow = 1;
278: wlavailable--;
279: }
1.55 nicm 280:
1.48 nicm 281: wlstart = wloffset + wlsize - wlavailable;
282: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 283: rarrow = 1;
1.48 nicm 284: wlstart++;
285: wlavailable--;
1.1 nicm 286: }
1.48 nicm 287: wlwidth = wlavailable;
288: }
1.1 nicm 289:
1.48 nicm 290: /* Bail if anything is now too small too. */
291: if (wlwidth == 0 || wlavailable == 0) {
292: screen_free(&window_list);
293: goto out;
1.1 nicm 294: }
295:
296: /*
1.48 nicm 297: * Now the start position is known, work out the state of the left and
298: * right arrows.
1.1 nicm 299: */
300: offset = 0;
301: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 302: if (wl->flags & WINLINK_ALERTFLAGS &&
303: larrow == 1 && offset < wlstart)
304: larrow = -1;
1.1 nicm 305:
1.48 nicm 306: offset += wl->status_width;
1.1 nicm 307:
1.63 nicm 308: if (wl->flags & WINLINK_ALERTFLAGS &&
309: rarrow == 1 && offset > wlstart + wlwidth)
310: rarrow = -1;
1.1 nicm 311: }
312:
1.48 nicm 313: draw:
1.55 nicm 314: /* Begin drawing. */
1.48 nicm 315: screen_write_start(&ctx, NULL, &c->status);
1.1 nicm 316:
1.48 nicm 317: /* Draw the left string and arrow. */
318: screen_write_cursormove(&ctx, 0, 0);
319: if (llen != 0) {
320: screen_write_cnputs(&ctx, llen, &lgc, utf8flag, "%s", left);
1.5 nicm 321: screen_write_putc(&ctx, &stdgc, ' ');
1.1 nicm 322: }
323: if (larrow != 0) {
324: memcpy(&gc, &stdgc, sizeof gc);
325: if (larrow == -1)
326: gc.attr ^= GRID_ATTR_REVERSE;
327: screen_write_putc(&ctx, &gc, '<');
328: }
1.48 nicm 329:
330: /* Draw the right string and arrow. */
1.1 nicm 331: if (rarrow != 0) {
1.48 nicm 332: screen_write_cursormove(&ctx, c->tty.sx - rlen - 2, 0);
1.1 nicm 333: memcpy(&gc, &stdgc, sizeof gc);
334: if (rarrow == -1)
335: gc.attr ^= GRID_ATTR_REVERSE;
336: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 337: } else
338: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
339: if (rlen != 0) {
340: screen_write_putc(&ctx, &stdgc, ' ');
341: screen_write_cnputs(&ctx, rlen, &rgc, utf8flag, "%s", right);
1.1 nicm 342: }
343:
1.48 nicm 344: /* Figure out the offset for the window list. */
1.58 nicm 345: if (llen != 0)
346: wloffset = llen + 1;
347: else
348: wloffset = 0;
1.48 nicm 349: if (wlwidth < wlavailable) {
350: switch (options_get_number(&s->options, "status-justify")) {
351: case 1: /* centered */
1.58 nicm 352: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 353: break;
354: case 2: /* right */
1.58 nicm 355: wloffset += (wlavailable - wlwidth);
1.48 nicm 356: break;
357: }
358: }
359: if (larrow != 0)
360: wloffset++;
361:
362: /* Copy the window list. */
1.88 nicm 363: c->wlmouse = -wloffset + wlstart;
1.48 nicm 364: screen_write_cursormove(&ctx, wloffset, 0);
365: screen_write_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 366: screen_free(&window_list);
1.1 nicm 367:
1.48 nicm 368: screen_write_stop(&ctx);
1.1 nicm 369:
370: out:
1.94 nicm 371: free(left);
372: free(right);
1.1 nicm 373:
374: if (grid_compare(c->status.grid, old_status.grid) == 0) {
375: screen_free(&old_status);
376: return (0);
377: }
378: screen_free(&old_status);
379: return (1);
380: }
381:
1.46 nicm 382: /* Replace a single special sequence (prefixed by #). */
383: void
1.104 nicm 384: status_replace1(struct client *c, char **iptr, char **optr, char *out,
1.72 nicm 385: size_t outsize, int jobsflag)
386: {
1.104 nicm 387: char ch, tmp[256], *ptr, *endptr;
1.72 nicm 388: size_t ptrlen;
389: long limit;
1.46 nicm 390:
391: errno = 0;
392: limit = strtol(*iptr, &endptr, 10);
393: if ((limit == 0 && errno != EINVAL) ||
394: (limit == LONG_MIN && errno != ERANGE) ||
1.55 nicm 395: (limit == LONG_MAX && errno != ERANGE) ||
1.46 nicm 396: limit != 0)
397: *iptr = endptr;
398: if (limit <= 0)
399: limit = LONG_MAX;
400:
401: switch (*(*iptr)++) {
402: case '(':
403: if (!jobsflag) {
404: ch = ')';
405: goto skip_to;
406: }
1.71 nicm 407: if ((ptr = status_find_job(c, iptr)) == NULL)
1.46 nicm 408: return;
409: goto do_replace;
410: case '[':
1.55 nicm 411: /*
1.46 nicm 412: * Embedded style, handled at display time. Leave present and
413: * skip input until ].
414: */
415: ch = ']';
416: goto skip_to;
1.96 nicm 417: case '{':
418: ptr = (char *) "#{";
419: goto do_replace;
1.46 nicm 420: case '#':
1.49 nicm 421: *(*optr)++ = '#';
1.46 nicm 422: break;
1.104 nicm 423: default:
424: xsnprintf(tmp, sizeof tmp, "#%c", *(*iptr - 1));
425: ptr = tmp;
426: goto do_replace;
1.46 nicm 427: }
428:
429: return;
1.55 nicm 430:
1.46 nicm 431: do_replace:
432: ptrlen = strlen(ptr);
433: if ((size_t) limit < ptrlen)
434: ptrlen = limit;
435:
436: if (*optr + ptrlen >= out + outsize - 1)
1.104 nicm 437: return;
1.46 nicm 438: while (ptrlen > 0 && *ptr != '\0') {
439: *(*optr)++ = *ptr++;
440: ptrlen--;
441: }
442:
443: return;
444:
445: skip_to:
446: *(*optr)++ = '#';
447:
448: (*iptr)--; /* include ch */
449: while (**iptr != ch && **iptr != '\0') {
450: if (*optr >= out + outsize - 1)
451: break;
452: *(*optr)++ = *(*iptr)++;
453: }
454: }
455:
456: /* Replace special sequences in fmt. */
457: char *
1.72 nicm 458: status_replace(struct client *c, struct session *s, struct winlink *wl,
459: struct window_pane *wp, const char *fmt, time_t t, int jobsflag)
1.46 nicm 460: {
1.96 nicm 461: static char out[BUFSIZ];
1.98 nicm 462: char in[BUFSIZ], ch, *iptr, *optr, *expanded;
1.96 nicm 463: size_t len;
464: struct format_tree *ft;
1.47 nicm 465:
1.93 nicm 466: if (fmt == NULL)
467: return (xstrdup(""));
468:
1.96 nicm 469: if (s == NULL)
470: s = c->session;
471: if (wl == NULL)
472: wl = s->curw;
473: if (wp == NULL)
474: wp = wl->window->active;
475:
1.86 nicm 476: len = strftime(in, sizeof in, fmt, localtime(&t));
477: in[len] = '\0';
1.1 nicm 478:
479: iptr = in;
480: optr = out;
481:
482: while (*iptr != '\0') {
483: if (optr >= out + (sizeof out) - 1)
484: break;
1.46 nicm 485: ch = *iptr++;
486:
1.70 nicm 487: if (ch != '#' || *iptr == '\0') {
1.1 nicm 488: *optr++ = ch;
1.46 nicm 489: continue;
1.1 nicm 490: }
1.104 nicm 491: status_replace1(c, &iptr, &optr, out, sizeof out, jobsflag);
1.1 nicm 492: }
493: *optr = '\0';
494:
1.96 nicm 495: ft = format_create();
1.97 nicm 496: format_client(ft, c);
1.96 nicm 497: format_session(ft, s);
498: format_winlink(ft, s, wl);
499: format_window_pane(ft, wp);
1.99 nicm 500: expanded = format_expand(ft, out);
501: format_free(ft);
502: return (expanded);
1.1 nicm 503: }
504:
1.46 nicm 505: /* Figure out job name and get its result, starting it off if necessary. */
1.1 nicm 506: char *
1.71 nicm 507: status_find_job(struct client *c, char **iptr)
1.1 nicm 508: {
1.71 nicm 509: struct status_out *so, so_find;
510: char *cmd;
511: int lastesc;
512: size_t len;
1.1 nicm 513:
514: if (**iptr == '\0')
515: return (NULL);
516: if (**iptr == ')') { /* no command given */
517: (*iptr)++;
518: return (NULL);
519: }
520:
521: cmd = xmalloc(strlen(*iptr) + 1);
522: len = 0;
523:
524: lastesc = 0;
525: for (; **iptr != '\0'; (*iptr)++) {
526: if (!lastesc && **iptr == ')')
527: break; /* unescaped ) is the end */
528: if (!lastesc && **iptr == '\\') {
529: lastesc = 1;
530: continue; /* skip \ if not escaped */
531: }
532: lastesc = 0;
533: cmd[len++] = **iptr;
534: }
1.38 nicm 535: if (**iptr == '\0') /* no terminating ) */ {
1.94 nicm 536: free(cmd);
1.38 nicm 537: return (NULL);
538: }
1.1 nicm 539: (*iptr)++; /* skip final ) */
540: cmd[len] = '\0';
541:
1.71 nicm 542: /* First try in the new tree. */
543: so_find.cmd = cmd;
544: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
1.78 nicm 545: if (so != NULL && so->out != NULL) {
1.94 nicm 546: free(cmd);
1.71 nicm 547: return (so->out);
1.78 nicm 548: }
1.71 nicm 549:
550: /* If not found at all, start the job and add to the tree. */
551: if (so == NULL) {
1.103 nicm 552: job_run(cmd, NULL, status_job_callback, status_job_free, c);
1.71 nicm 553: c->references++;
554:
555: so = xmalloc(sizeof *so);
556: so->cmd = xstrdup(cmd);
557: so->out = NULL;
558: RB_INSERT(status_out_tree, &c->status_new, so);
559: }
560:
561: /* Lookup in the old tree. */
562: so_find.cmd = cmd;
563: so = RB_FIND(status_out_tree, &c->status_old, &so_find);
1.94 nicm 564: free(cmd);
1.71 nicm 565: if (so != NULL)
566: return (so->out);
567: return (NULL);
568: }
569:
570: /* Free job tree. */
571: void
572: status_free_jobs(struct status_out_tree *sotree)
573: {
574: struct status_out *so, *so_next;
575:
576: so_next = RB_MIN(status_out_tree, sotree);
577: while (so_next != NULL) {
578: so = so_next;
579: so_next = RB_NEXT(status_out_tree, sotree, so);
580:
581: RB_REMOVE(status_out_tree, sotree, so);
1.94 nicm 582: free(so->out);
583: free(so->cmd);
584: free(so);
1.38 nicm 585: }
1.71 nicm 586: }
587:
588: /* Update jobs on status interval. */
589: void
590: status_update_jobs(struct client *c)
591: {
592: /* Free the old tree. */
593: status_free_jobs(&c->status_old);
594:
595: /* Move the new to old. */
596: memcpy(&c->status_old, &c->status_new, sizeof c->status_old);
597: RB_INIT(&c->status_new);
598: }
599:
600: /* Free status job. */
601: void
602: status_job_free(void *data)
603: {
604: struct client *c = data;
605:
606: c->references--;
1.38 nicm 607: }
1.1 nicm 608:
1.46 nicm 609: /* Job has finished: save its result. */
1.38 nicm 610: void
611: status_job_callback(struct job *job)
612: {
1.71 nicm 613: struct client *c = job->data;
614: struct status_out *so, so_find;
615: char *line, *buf;
616: size_t len;
617:
618: if (c->flags & CLIENT_DEAD)
619: return;
620:
621: so_find.cmd = job->cmd;
622: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
623: if (so == NULL || so->out != NULL)
624: return;
1.38 nicm 625:
1.41 nicm 626: buf = NULL;
627: if ((line = evbuffer_readline(job->event->input)) == NULL) {
628: len = EVBUFFER_LENGTH(job->event->input);
629: buf = xmalloc(len + 1);
630: if (len != 0)
631: memcpy(buf, EVBUFFER_DATA(job->event->input), len);
632: buf[len] = '\0';
1.71 nicm 633: } else
1.102 nicm 634: buf = line;
1.1 nicm 635:
1.71 nicm 636: so->out = buf;
1.75 nicm 637: server_status_client(c);
1.1 nicm 638: }
639:
1.46 nicm 640: /* Return winlink status line entry and adjust gc as necessary. */
1.1 nicm 641: char *
1.47 nicm 642: status_print(
643: struct client *c, struct winlink *wl, time_t t, struct grid_cell *gc)
1.1 nicm 644: {
1.33 nicm 645: struct options *oo = &wl->window->options;
1.47 nicm 646: struct session *s = c->session;
647: const char *fmt;
648: char *text;
1.92 nicm 649: int fg, bg, attr;
1.1 nicm 650:
1.33 nicm 651: fg = options_get_number(oo, "window-status-fg");
1.1 nicm 652: if (fg != 8)
1.33 nicm 653: colour_set_fg(gc, fg);
654: bg = options_get_number(oo, "window-status-bg");
1.1 nicm 655: if (bg != 8)
1.33 nicm 656: colour_set_bg(gc, bg);
657: attr = options_get_number(oo, "window-status-attr");
1.1 nicm 658: if (attr != 0)
659: gc->attr = attr;
1.47 nicm 660: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 661: if (wl == s->curw) {
1.33 nicm 662: fg = options_get_number(oo, "window-status-current-fg");
1.14 nicm 663: if (fg != 8)
1.33 nicm 664: colour_set_fg(gc, fg);
665: bg = options_get_number(oo, "window-status-current-bg");
1.14 nicm 666: if (bg != 8)
1.33 nicm 667: colour_set_bg(gc, bg);
668: attr = options_get_number(oo, "window-status-current-attr");
1.14 nicm 669: if (attr != 0)
670: gc->attr = attr;
1.47 nicm 671: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 672: }
673: if (wl == TAILQ_FIRST(&s->lastw)) {
674: fg = options_get_number(oo, "window-status-last-fg");
675: if (fg != 8)
676: colour_set_fg(gc, fg);
677: bg = options_get_number(oo, "window-status-last-bg");
678: if (bg != 8)
679: colour_set_bg(gc, bg);
680: attr = options_get_number(oo, "window-status-last-attr");
681: if (attr != 0)
682: gc->attr = attr;
1.14 nicm 683: }
1.1 nicm 684:
1.84 nicm 685: if (wl->flags & WINLINK_BELL) {
686: fg = options_get_number(oo, "window-status-bell-fg");
1.62 nicm 687: if (fg != 8)
688: colour_set_fg(gc, fg);
1.84 nicm 689: bg = options_get_number(oo, "window-status-bell-bg");
1.62 nicm 690: if (bg != 8)
691: colour_set_bg(gc, bg);
1.84 nicm 692: attr = options_get_number(oo, "window-status-bell-attr");
693: if (attr != 0)
694: gc->attr = attr;
695: } else if (wl->flags & WINLINK_CONTENT) {
696: fg = options_get_number(oo, "window-status-content-fg");
697: if (fg != 8)
698: colour_set_fg(gc, fg);
699: bg = options_get_number(oo, "window-status-content-bg");
700: if (bg != 8)
701: colour_set_bg(gc, bg);
702: attr = options_get_number(oo, "window-status-content-attr");
703: if (attr != 0)
704: gc->attr = attr;
705: } else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE)) {
706: fg = options_get_number(oo, "window-status-activity-fg");
707: if (fg != 8)
708: colour_set_fg(gc, fg);
709: bg = options_get_number(oo, "window-status-activity-bg");
710: if (bg != 8)
711: colour_set_bg(gc, bg);
712: attr = options_get_number(oo, "window-status-activity-attr");
1.62 nicm 713: if (attr != 0)
714: gc->attr = attr;
715: }
1.1 nicm 716:
1.72 nicm 717: text = status_replace(c, NULL, wl, NULL, fmt, t, 1);
1.1 nicm 718: return (text);
719: }
720:
1.46 nicm 721: /* Set a status line message. */
1.10 nicm 722: void printflike2
723: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 724: {
1.44 nicm 725: struct timeval tv;
726: struct session *s = c->session;
727: struct message_entry *msg;
728: va_list ap;
729: int delay;
730: u_int i, limit;
1.1 nicm 731:
1.12 nicm 732: status_prompt_clear(c);
733: status_message_clear(c);
734:
1.28 nicm 735: va_start(ap, fmt);
736: xvasprintf(&c->message_string, fmt, ap);
737: va_end(ap);
738:
1.44 nicm 739: ARRAY_EXPAND(&c->message_log, 1);
740: msg = &ARRAY_LAST(&c->message_log);
741: msg->msg_time = time(NULL);
742: msg->msg = xstrdup(c->message_string);
743:
744: if (s == NULL)
745: limit = 0;
746: else
747: limit = options_get_number(&s->options, "message-limit");
1.50 nicm 748: if (ARRAY_LENGTH(&c->message_log) > limit) {
749: limit = ARRAY_LENGTH(&c->message_log) - limit;
750: for (i = 0; i < limit; i++) {
751: msg = &ARRAY_FIRST(&c->message_log);
1.94 nicm 752: free(msg->msg);
1.50 nicm 753: ARRAY_REMOVE(&c->message_log, 0);
754: }
1.44 nicm 755: }
756:
1.1 nicm 757: delay = options_get_number(&c->session->options, "display-time");
758: tv.tv_sec = delay / 1000;
759: tv.tv_usec = (delay % 1000) * 1000L;
1.44 nicm 760:
1.90 nicm 761: if (event_initialized (&c->message_timer))
762: evtimer_del(&c->message_timer);
1.42 nicm 763: evtimer_set(&c->message_timer, status_message_callback, c);
764: evtimer_add(&c->message_timer, &tv);
1.1 nicm 765:
766: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
767: c->flags |= CLIENT_STATUS;
768: }
769:
1.46 nicm 770: /* Clear status line message. */
1.1 nicm 771: void
772: status_message_clear(struct client *c)
773: {
774: if (c->message_string == NULL)
775: return;
776:
1.94 nicm 777: free(c->message_string);
1.1 nicm 778: c->message_string = NULL;
779:
780: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 781: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 782:
783: screen_reinit(&c->status);
1.42 nicm 784: }
785:
1.46 nicm 786: /* Clear status line message after timer expires. */
1.42 nicm 787: void
788: status_message_callback(unused int fd, unused short event, void *data)
789: {
790: struct client *c = data;
791:
792: status_message_clear(c);
1.1 nicm 793: }
794:
795: /* Draw client message on status line of present else on last line. */
796: int
797: status_message_redraw(struct client *c)
798: {
799: struct screen_write_ctx ctx;
800: struct session *s = c->session;
801: struct screen old_status;
802: size_t len;
803: struct grid_cell gc;
1.51 nicm 804: int utf8flag;
1.1 nicm 805:
806: if (c->tty.sx == 0 || c->tty.sy == 0)
807: return (0);
808: memcpy(&old_status, &c->status, sizeof old_status);
809: screen_init(&c->status, c->tty.sx, 1, 0);
810:
1.51 nicm 811: utf8flag = options_get_number(&s->options, "status-utf8");
812:
813: len = screen_write_strlen(utf8flag, "%s", c->message_string);
1.1 nicm 814: if (len > c->tty.sx)
815: len = c->tty.sx;
816:
817: memcpy(&gc, &grid_default_cell, sizeof gc);
1.33 nicm 818: colour_set_fg(&gc, options_get_number(&s->options, "message-fg"));
819: colour_set_bg(&gc, options_get_number(&s->options, "message-bg"));
1.1 nicm 820: gc.attr |= options_get_number(&s->options, "message-attr");
821:
822: screen_write_start(&ctx, NULL, &c->status);
823:
824: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 825: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->message_string);
1.1 nicm 826: for (; len < c->tty.sx; len++)
827: screen_write_putc(&ctx, &gc, ' ');
828:
829: screen_write_stop(&ctx);
830:
831: if (grid_compare(c->status.grid, old_status.grid) == 0) {
832: screen_free(&old_status);
833: return (0);
834: }
835: screen_free(&old_status);
836: return (1);
837: }
838:
1.46 nicm 839: /* Enable status line prompt. */
1.1 nicm 840: void
1.76 nicm 841: status_prompt_set(struct client *c, const char *msg, const char *input,
1.12 nicm 842: int (*callbackfn)(void *, const char *), void (*freefn)(void *),
843: void *data, int flags)
1.1 nicm 844: {
1.20 nicm 845: int keys;
846:
1.12 nicm 847: status_message_clear(c);
848: status_prompt_clear(c);
849:
1.77 nicm 850: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
851: time(NULL), 0);
1.1 nicm 852:
1.77 nicm 853: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
854: time(NULL), 0);
1.76 nicm 855: c->prompt_index = strlen(c->prompt_buffer);
1.1 nicm 856:
1.12 nicm 857: c->prompt_callbackfn = callbackfn;
858: c->prompt_freefn = freefn;
1.1 nicm 859: c->prompt_data = data;
860:
861: c->prompt_hindex = 0;
862:
863: c->prompt_flags = flags;
864:
1.20 nicm 865: keys = options_get_number(&c->session->options, "status-keys");
866: if (keys == MODEKEY_EMACS)
1.21 nicm 867: mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
1.20 nicm 868: else
1.21 nicm 869: mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
1.1 nicm 870:
871: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
872: c->flags |= CLIENT_STATUS;
873: }
874:
1.46 nicm 875: /* Remove status line prompt. */
1.1 nicm 876: void
877: status_prompt_clear(struct client *c)
878: {
1.55 nicm 879: if (c->prompt_string == NULL)
1.1 nicm 880: return;
881:
1.12 nicm 882: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
883: c->prompt_freefn(c->prompt_data);
1.1 nicm 884:
1.94 nicm 885: free(c->prompt_string);
1.1 nicm 886: c->prompt_string = NULL;
887:
1.94 nicm 888: free(c->prompt_buffer);
1.1 nicm 889: c->prompt_buffer = NULL;
890:
891: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 892: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 893:
894: screen_reinit(&c->status);
1.27 nicm 895: }
896:
1.46 nicm 897: /* Update status line prompt with a new prompt string. */
1.27 nicm 898: void
1.76 nicm 899: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 900: {
1.94 nicm 901: free(c->prompt_string);
1.77 nicm 902: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
903: time(NULL), 0);
1.27 nicm 904:
1.94 nicm 905: free(c->prompt_buffer);
1.77 nicm 906: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
907: time(NULL), 0);
1.76 nicm 908: c->prompt_index = strlen(c->prompt_buffer);
1.27 nicm 909:
910: c->prompt_hindex = 0;
911:
912: c->flags |= CLIENT_STATUS;
1.1 nicm 913: }
914:
915: /* Draw client prompt on status line of present else on last line. */
916: int
917: status_prompt_redraw(struct client *c)
918: {
1.51 nicm 919: struct screen_write_ctx ctx;
1.1 nicm 920: struct session *s = c->session;
921: struct screen old_status;
1.29 nicm 922: size_t i, size, left, len, off;
1.51 nicm 923: struct grid_cell gc, *gcp;
924: int utf8flag;
1.1 nicm 925:
926: if (c->tty.sx == 0 || c->tty.sy == 0)
927: return (0);
928: memcpy(&old_status, &c->status, sizeof old_status);
929: screen_init(&c->status, c->tty.sx, 1, 0);
930:
1.51 nicm 931: utf8flag = options_get_number(&s->options, "status-utf8");
932:
933: len = screen_write_strlen(utf8flag, "%s", c->prompt_string);
1.1 nicm 934: if (len > c->tty.sx)
935: len = c->tty.sx;
1.51 nicm 936: off = 0;
1.1 nicm 937:
938: memcpy(&gc, &grid_default_cell, sizeof gc);
1.106 nicm 939:
1.79 nicm 940: /* Change colours for command mode. */
941: if (c->prompt_mdata.mode == 1) {
942: colour_set_fg(&gc, options_get_number(&s->options, "message-command-fg"));
943: colour_set_bg(&gc, options_get_number(&s->options, "message-command-bg"));
944: gc.attr |= options_get_number(&s->options, "message-command-attr");
945: } else {
946: colour_set_fg(&gc, options_get_number(&s->options, "message-fg"));
947: colour_set_bg(&gc, options_get_number(&s->options, "message-bg"));
948: gc.attr |= options_get_number(&s->options, "message-attr");
949: }
1.1 nicm 950:
951: screen_write_start(&ctx, NULL, &c->status);
952:
953: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 954: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->prompt_string);
1.1 nicm 955:
956: left = c->tty.sx - len;
957: if (left != 0) {
1.51 nicm 958: size = screen_write_strlen(utf8flag, "%s", c->prompt_buffer);
959: if (c->prompt_index >= left) {
1.17 nicm 960: off = c->prompt_index - left + 1;
1.51 nicm 961: if (c->prompt_index == size)
1.1 nicm 962: left--;
963: size = left;
964: }
1.51 nicm 965: screen_write_nputs(
966: &ctx, left, &gc, utf8flag, "%s", c->prompt_buffer + off);
1.1 nicm 967:
1.55 nicm 968: for (i = len + size; i < c->tty.sx; i++)
969: screen_write_putc(&ctx, &gc, ' ');
1.1 nicm 970: }
971:
972: screen_write_stop(&ctx);
1.51 nicm 973:
974: /* Apply fake cursor. */
975: off = len + c->prompt_index - off;
976: gcp = grid_view_get_cell(c->status.grid, off, 0);
977: gcp->attr ^= GRID_ATTR_REVERSE;
1.1 nicm 978:
979: if (grid_compare(c->status.grid, old_status.grid) == 0) {
980: screen_free(&old_status);
981: return (0);
982: }
983: screen_free(&old_status);
984: return (1);
985: }
986:
987: /* Handle keys in prompt. */
988: void
989: status_prompt_key(struct client *c, int key)
990: {
1.81 nicm 991: struct session *sess = c->session;
992: struct options *oo = &sess->options;
1.1 nicm 993: struct paste_buffer *pb;
1.81 nicm 994: char *s, *first, *last, word[64], swapc;
995: const char *histstr;
1.83 nicm 996: const char *wsep = NULL;
1.53 nicm 997: u_char ch;
1.1 nicm 998: size_t size, n, off, idx;
999:
1000: size = strlen(c->prompt_buffer);
1.101 nicm 1001: switch (mode_key_lookup(&c->prompt_mdata, key, NULL)) {
1.20 nicm 1002: case MODEKEYEDIT_CURSORLEFT:
1.1 nicm 1003: if (c->prompt_index > 0) {
1004: c->prompt_index--;
1005: c->flags |= CLIENT_STATUS;
1006: }
1007: break;
1.79 nicm 1008: case MODEKEYEDIT_SWITCHMODE:
1009: c->flags |= CLIENT_STATUS;
1010: break;
1.20 nicm 1011: case MODEKEYEDIT_SWITCHMODEAPPEND:
1.79 nicm 1012: c->flags |= CLIENT_STATUS;
1013: /* FALLTHROUGH */
1.20 nicm 1014: case MODEKEYEDIT_CURSORRIGHT:
1.1 nicm 1015: if (c->prompt_index < size) {
1016: c->prompt_index++;
1017: c->flags |= CLIENT_STATUS;
1018: }
1019: break;
1.89 nicm 1020: case MODEKEYEDIT_SWITCHMODEBEGINLINE:
1021: c->flags |= CLIENT_STATUS;
1022: /* FALLTHROUGH */
1.20 nicm 1023: case MODEKEYEDIT_STARTOFLINE:
1.1 nicm 1024: if (c->prompt_index != 0) {
1025: c->prompt_index = 0;
1026: c->flags |= CLIENT_STATUS;
1027: }
1028: break;
1.89 nicm 1029: case MODEKEYEDIT_SWITCHMODEAPPENDLINE:
1030: c->flags |= CLIENT_STATUS;
1031: /* FALLTHROUGH */
1.20 nicm 1032: case MODEKEYEDIT_ENDOFLINE:
1.1 nicm 1033: if (c->prompt_index != size) {
1034: c->prompt_index = size;
1035: c->flags |= CLIENT_STATUS;
1036: }
1037: break;
1.20 nicm 1038: case MODEKEYEDIT_COMPLETE:
1.1 nicm 1039: if (*c->prompt_buffer == '\0')
1040: break;
1041:
1042: idx = c->prompt_index;
1043: if (idx != 0)
1044: idx--;
1045:
1046: /* Find the word we are in. */
1047: first = c->prompt_buffer + idx;
1048: while (first > c->prompt_buffer && *first != ' ')
1049: first--;
1050: while (*first == ' ')
1051: first++;
1052: last = c->prompt_buffer + idx;
1053: while (*last != '\0' && *last != ' ')
1054: last++;
1055: while (*last == ' ')
1056: last--;
1057: if (*last != '\0')
1058: last++;
1059: if (last <= first ||
1060: ((size_t) (last - first)) > (sizeof word) - 1)
1061: break;
1062: memcpy(word, first, last - first);
1063: word[last - first] = '\0';
1064:
1065: /* And try to complete it. */
1066: if ((s = status_prompt_complete(word)) == NULL)
1067: break;
1068:
1069: /* Trim out word. */
1070: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1071: memmove(first, last, n);
1072: size -= last - first;
1073:
1074: /* Insert the new word. */
1.55 nicm 1075: size += strlen(s);
1.1 nicm 1076: off = first - c->prompt_buffer;
1.55 nicm 1077: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 1);
1.1 nicm 1078: first = c->prompt_buffer + off;
1.55 nicm 1079: memmove(first + strlen(s), first, n);
1080: memcpy(first, s, strlen(s));
1.1 nicm 1081:
1082: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 1083: free(s);
1.1 nicm 1084:
1085: c->flags |= CLIENT_STATUS;
1086: break;
1.20 nicm 1087: case MODEKEYEDIT_BACKSPACE:
1.1 nicm 1088: if (c->prompt_index != 0) {
1089: if (c->prompt_index == size)
1090: c->prompt_buffer[--c->prompt_index] = '\0';
1091: else {
1092: memmove(c->prompt_buffer + c->prompt_index - 1,
1093: c->prompt_buffer + c->prompt_index,
1094: size + 1 - c->prompt_index);
1095: c->prompt_index--;
1096: }
1097: c->flags |= CLIENT_STATUS;
1098: }
1099: break;
1.55 nicm 1100: case MODEKEYEDIT_DELETE:
1.105 nicm 1101: case MODEKEYEDIT_SWITCHMODESUBSTITUTE:
1.1 nicm 1102: if (c->prompt_index != size) {
1103: memmove(c->prompt_buffer + c->prompt_index,
1104: c->prompt_buffer + c->prompt_index + 1,
1105: size + 1 - c->prompt_index);
1.18 nicm 1106: c->flags |= CLIENT_STATUS;
1107: }
1.26 nicm 1108: break;
1109: case MODEKEYEDIT_DELETELINE:
1.105 nicm 1110: case MODEKEYEDIT_SWITCHMODESUBSTITUTELINE:
1.26 nicm 1111: *c->prompt_buffer = '\0';
1112: c->prompt_index = 0;
1113: c->flags |= CLIENT_STATUS;
1.18 nicm 1114: break;
1.20 nicm 1115: case MODEKEYEDIT_DELETETOENDOFLINE:
1.105 nicm 1116: case MODEKEYEDIT_SWITCHMODECHANGELINE:
1.18 nicm 1117: if (c->prompt_index < size) {
1118: c->prompt_buffer[c->prompt_index] = '\0';
1.1 nicm 1119: c->flags |= CLIENT_STATUS;
1120: }
1121: break;
1.81 nicm 1122: case MODEKEYEDIT_DELETEWORD:
1123: wsep = options_get_string(oo, "word-separators");
1124: idx = c->prompt_index;
1125:
1126: /* Find a non-separator. */
1127: while (idx != 0) {
1128: idx--;
1129: if (!strchr(wsep, c->prompt_buffer[idx]))
1130: break;
1131: }
1132:
1133: /* Find the separator at the beginning of the word. */
1134: while (idx != 0) {
1135: idx--;
1136: if (strchr(wsep, c->prompt_buffer[idx])) {
1137: /* Go back to the word. */
1138: idx++;
1139: break;
1140: }
1141: }
1142:
1143: memmove(c->prompt_buffer + idx,
1144: c->prompt_buffer + c->prompt_index,
1145: size + 1 - c->prompt_index);
1146: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1147: '\0', c->prompt_index - idx);
1148: c->prompt_index = idx;
1149: c->flags |= CLIENT_STATUS;
1150: break;
1.83 nicm 1151: case MODEKEYEDIT_NEXTSPACE:
1152: wsep = " ";
1153: /* FALLTHROUGH */
1.81 nicm 1154: case MODEKEYEDIT_NEXTWORD:
1.83 nicm 1155: if (wsep == NULL)
1156: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1157:
1158: /* Find a separator. */
1159: while (c->prompt_index != size) {
1160: c->prompt_index++;
1161: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1162: break;
1163: }
1164:
1165: /* Find the word right after the separation. */
1166: while (c->prompt_index != size) {
1167: c->prompt_index++;
1168: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1169: break;
1170: }
1171:
1172: c->flags |= CLIENT_STATUS;
1173: break;
1.83 nicm 1174: case MODEKEYEDIT_NEXTSPACEEND:
1175: wsep = " ";
1176: /* FALLTHROUGH */
1.81 nicm 1177: case MODEKEYEDIT_NEXTWORDEND:
1.83 nicm 1178: if (wsep == NULL)
1179: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1180:
1181: /* Find a word. */
1182: while (c->prompt_index != size) {
1183: c->prompt_index++;
1184: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1185: break;
1186: }
1187:
1188: /* Find the separator at the end of the word. */
1189: while (c->prompt_index != size) {
1190: c->prompt_index++;
1.82 nicm 1191: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1.81 nicm 1192: break;
1193: }
1.106 nicm 1194:
1195: /* Back up to the end-of-word like vi. */
1196: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1197: c->prompt_index != 0)
1198: c->prompt_index--;
1.81 nicm 1199:
1200: c->flags |= CLIENT_STATUS;
1201: break;
1.83 nicm 1202: case MODEKEYEDIT_PREVIOUSSPACE:
1203: wsep = " ";
1204: /* FALLTHROUGH */
1.81 nicm 1205: case MODEKEYEDIT_PREVIOUSWORD:
1.83 nicm 1206: if (wsep == NULL)
1207: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1208:
1209: /* Find a non-separator. */
1210: while (c->prompt_index != 0) {
1211: c->prompt_index--;
1212: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1213: break;
1214: }
1215:
1216: /* Find the separator at the beginning of the word. */
1217: while (c->prompt_index != 0) {
1218: c->prompt_index--;
1219: if (strchr(wsep, c->prompt_buffer[c->prompt_index])) {
1220: /* Go back to the word. */
1221: c->prompt_index++;
1222: break;
1223: }
1224: }
1225:
1226: c->flags |= CLIENT_STATUS;
1227: break;
1.20 nicm 1228: case MODEKEYEDIT_HISTORYUP:
1.66 nicm 1229: histstr = status_prompt_up_history(&c->prompt_hindex);
1230: if (histstr == NULL)
1.1 nicm 1231: break;
1.94 nicm 1232: free(c->prompt_buffer);
1.66 nicm 1233: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1234: c->prompt_index = strlen(c->prompt_buffer);
1235: c->flags |= CLIENT_STATUS;
1236: break;
1.20 nicm 1237: case MODEKEYEDIT_HISTORYDOWN:
1.66 nicm 1238: histstr = status_prompt_down_history(&c->prompt_hindex);
1239: if (histstr == NULL)
1.65 nicm 1240: break;
1.94 nicm 1241: free(c->prompt_buffer);
1.66 nicm 1242: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1243: c->prompt_index = strlen(c->prompt_buffer);
1244: c->flags |= CLIENT_STATUS;
1245: break;
1.20 nicm 1246: case MODEKEYEDIT_PASTE:
1.68 nicm 1247: if ((pb = paste_get_top(&global_buffers)) == NULL)
1.1 nicm 1248: break;
1.32 nicm 1249: for (n = 0; n < pb->size; n++) {
1.53 nicm 1250: ch = (u_char) pb->data[n];
1251: if (ch < 32 || ch == 127)
1.32 nicm 1252: break;
1253: }
1.1 nicm 1254:
1255: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + n + 1);
1256: if (c->prompt_index == size) {
1257: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1258: c->prompt_index += n;
1259: c->prompt_buffer[c->prompt_index] = '\0';
1260: } else {
1261: memmove(c->prompt_buffer + c->prompt_index + n,
1262: c->prompt_buffer + c->prompt_index,
1263: size + 1 - c->prompt_index);
1264: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1265: c->prompt_index += n;
1266: }
1267:
1268: c->flags |= CLIENT_STATUS;
1.30 nicm 1269: break;
1270: case MODEKEYEDIT_TRANSPOSECHARS:
1271: idx = c->prompt_index;
1272: if (idx < size)
1273: idx++;
1274: if (idx >= 2) {
1275: swapc = c->prompt_buffer[idx - 2];
1276: c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
1277: c->prompt_buffer[idx - 1] = swapc;
1278: c->prompt_index = idx;
1279: c->flags |= CLIENT_STATUS;
1280: }
1.1 nicm 1281: break;
1.55 nicm 1282: case MODEKEYEDIT_ENTER:
1.25 nicm 1283: if (*c->prompt_buffer != '\0')
1.65 nicm 1284: status_prompt_add_history(c->prompt_buffer);
1.25 nicm 1285: if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
1286: status_prompt_clear(c);
1287: break;
1.20 nicm 1288: case MODEKEYEDIT_CANCEL:
1.12 nicm 1289: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1290: status_prompt_clear(c);
1291: break;
1.20 nicm 1292: case MODEKEY_OTHER:
1.61 nicm 1293: if ((key & 0xff00) != 0 || key < 32 || key == 127)
1.1 nicm 1294: break;
1295: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 2);
1296:
1297: if (c->prompt_index == size) {
1298: c->prompt_buffer[c->prompt_index++] = key;
1299: c->prompt_buffer[c->prompt_index] = '\0';
1300: } else {
1301: memmove(c->prompt_buffer + c->prompt_index + 1,
1302: c->prompt_buffer + c->prompt_index,
1303: size + 1 - c->prompt_index);
1304: c->prompt_buffer[c->prompt_index++] = key;
1305: }
1306:
1307: if (c->prompt_flags & PROMPT_SINGLE) {
1.12 nicm 1308: if (c->prompt_callbackfn(
1.1 nicm 1309: c->prompt_data, c->prompt_buffer) == 0)
1310: status_prompt_clear(c);
1311: }
1312:
1313: c->flags |= CLIENT_STATUS;
1314: break;
1315: default:
1316: break;
1317: }
1318: }
1319:
1.65 nicm 1320: /* Get previous line from the history. */
1321: const char *
1322: status_prompt_up_history(u_int *idx)
1323: {
1324: u_int size;
1325:
1326: /*
1327: * History runs from 0 to size - 1.
1328: *
1329: * Index is from 0 to size. Zero is empty.
1330: */
1331:
1332: size = ARRAY_LENGTH(&status_prompt_history);
1333: if (size == 0 || *idx == size)
1334: return (NULL);
1335: (*idx)++;
1336: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1337: }
1338:
1339: /* Get next line from the history. */
1340: const char *
1341: status_prompt_down_history(u_int *idx)
1342: {
1343: u_int size;
1344:
1345: size = ARRAY_LENGTH(&status_prompt_history);
1346: if (size == 0 || *idx == 0)
1347: return ("");
1348: (*idx)--;
1349: if (*idx == 0)
1350: return ("");
1351: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1352: }
1353:
1.1 nicm 1354: /* Add line to the history. */
1355: void
1.65 nicm 1356: status_prompt_add_history(const char *line)
1.1 nicm 1357: {
1.65 nicm 1358: u_int size;
1359:
1360: size = ARRAY_LENGTH(&status_prompt_history);
1361: if (size > 0 && strcmp(ARRAY_LAST(&status_prompt_history), line) == 0)
1.1 nicm 1362: return;
1363:
1.65 nicm 1364: if (size == PROMPT_HISTORY) {
1.94 nicm 1365: free(ARRAY_FIRST(&status_prompt_history));
1.65 nicm 1366: ARRAY_REMOVE(&status_prompt_history, 0);
1.1 nicm 1367: }
1368:
1.65 nicm 1369: ARRAY_ADD(&status_prompt_history, xstrdup(line));
1.1 nicm 1370: }
1371:
1372: /* Complete word. */
1373: char *
1374: status_prompt_complete(const char *s)
1375: {
1.69 nicm 1376: const struct cmd_entry **cmdent;
1377: const struct options_table_entry *oe;
1378: ARRAY_DECL(, const char *) list;
1379: char *prefix, *s2;
1380: u_int i;
1381: size_t j;
1.1 nicm 1382:
1383: if (*s == '\0')
1384: return (NULL);
1385:
1386: /* First, build a list of all the possible matches. */
1387: ARRAY_INIT(&list);
1388: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1389: if (strncmp((*cmdent)->name, s, strlen(s)) == 0)
1390: ARRAY_ADD(&list, (*cmdent)->name);
1.56 nicm 1391: }
1.69 nicm 1392: for (oe = server_options_table; oe->name != NULL; oe++) {
1393: if (strncmp(oe->name, s, strlen(s)) == 0)
1394: ARRAY_ADD(&list, oe->name);
1395: }
1396: for (oe = session_options_table; oe->name != NULL; oe++) {
1397: if (strncmp(oe->name, s, strlen(s)) == 0)
1398: ARRAY_ADD(&list, oe->name);
1399: }
1400: for (oe = window_options_table; oe->name != NULL; oe++) {
1401: if (strncmp(oe->name, s, strlen(s)) == 0)
1402: ARRAY_ADD(&list, oe->name);
1.1 nicm 1403: }
1404:
1405: /* If none, bail now. */
1406: if (ARRAY_LENGTH(&list) == 0) {
1407: ARRAY_FREE(&list);
1408: return (NULL);
1409: }
1410:
1411: /* If an exact match, return it, with a trailing space. */
1412: if (ARRAY_LENGTH(&list) == 1) {
1413: xasprintf(&s2, "%s ", ARRAY_FIRST(&list));
1414: ARRAY_FREE(&list);
1415: return (s2);
1416: }
1417:
1418: /* Now loop through the list and find the longest common prefix. */
1419: prefix = xstrdup(ARRAY_FIRST(&list));
1420: for (i = 1; i < ARRAY_LENGTH(&list); i++) {
1421: s = ARRAY_ITEM(&list, i);
1422:
1423: j = strlen(s);
1424: if (j > strlen(prefix))
1425: j = strlen(prefix);
1426: for (; j > 0; j--) {
1427: if (prefix[j - 1] != s[j - 1])
1428: prefix[j - 1] = '\0';
1429: }
1430: }
1431:
1432: ARRAY_FREE(&list);
1433: return (prefix);
1434: }
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