Annotation of src/usr.bin/tmux/status.c, Revision 1.87
1.87 ! nicm 1: /* $OpenBSD: status.c,v 1.86 2012/01/26 09:05:54 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 *);
1.72 nicm 41: void status_replace1(struct client *, struct session *, struct winlink *,
42: struct window_pane *, char **, char **, char *, size_t, int);
1.42 nicm 43: void status_message_callback(int, short, void *);
1.1 nicm 44:
1.65 nicm 45: const char *status_prompt_up_history(u_int *);
46: const char *status_prompt_down_history(u_int *);
47: void status_prompt_add_history(const char *);
1.1 nicm 48: char *status_prompt_complete(const char *);
49:
1.65 nicm 50: /* Status prompt history. */
51: ARRAY_DECL(, char *) status_prompt_history = ARRAY_INITIALIZER;
52:
1.71 nicm 53: /* Status output tree. */
54: RB_GENERATE(status_out_tree, status_out, entry, status_out_cmp);
55:
56: /* Output tree comparison function. */
57: int
58: status_out_cmp(struct status_out *so1, struct status_out *so2)
59: {
60: return (strcmp(so1->cmd, so2->cmd));
1.87 ! nicm 61: }
! 62:
! 63: /* Get screen line of status line. -1 means off. */
! 64: int
! 65: status_at_line(struct client *c)
! 66: {
! 67: struct session *s = c->session;
! 68:
! 69: if (!options_get_number(&s->options, "status"))
! 70: return (-1);
! 71:
! 72: if (options_get_number(&s->options, "status-position") == 0)
! 73: return (0);
! 74: return (c->tty.sy - 1);
1.71 nicm 75: }
76:
1.48 nicm 77: /* Retrieve options for left string. */
78: char *
79: status_redraw_get_left(struct client *c,
80: time_t t, int utf8flag, struct grid_cell *gc, size_t *size)
81: {
82: struct session *s = c->session;
83: char *left;
84: u_char fg, bg, attr;
85: size_t leftlen;
86:
87: fg = options_get_number(&s->options, "status-left-fg");
88: if (fg != 8)
89: colour_set_fg(gc, fg);
90: bg = options_get_number(&s->options, "status-left-bg");
91: if (bg != 8)
92: colour_set_bg(gc, bg);
93: attr = options_get_number(&s->options, "status-left-attr");
94: if (attr != 0)
95: gc->attr = attr;
96:
1.72 nicm 97: left = status_replace(c, NULL,
98: NULL, NULL, options_get_string(&s->options, "status-left"), t, 1);
1.48 nicm 99:
100: *size = options_get_number(&s->options, "status-left-length");
101: leftlen = screen_write_cstrlen(utf8flag, "%s", left);
102: if (leftlen < *size)
103: *size = leftlen;
104: return (left);
105: }
106:
107: /* Retrieve options for right string. */
108: char *
109: status_redraw_get_right(struct client *c,
110: time_t t, int utf8flag, struct grid_cell *gc, size_t *size)
111: {
112: struct session *s = c->session;
113: char *right;
114: u_char fg, bg, attr;
115: size_t rightlen;
116:
117: fg = options_get_number(&s->options, "status-right-fg");
118: if (fg != 8)
119: colour_set_fg(gc, fg);
120: bg = options_get_number(&s->options, "status-right-bg");
121: if (bg != 8)
122: colour_set_bg(gc, bg);
123: attr = options_get_number(&s->options, "status-right-attr");
124: if (attr != 0)
125: gc->attr = attr;
126:
1.72 nicm 127: right = status_replace(c, NULL,
128: NULL, NULL, options_get_string(&s->options, "status-right"), t, 1);
1.48 nicm 129:
130: *size = options_get_number(&s->options, "status-right-length");
131: rightlen = screen_write_cstrlen(utf8flag, "%s", right);
132: if (rightlen < *size)
133: *size = rightlen;
134: return (right);
135: }
136:
1.73 nicm 137: /* Set window at window list position. */
138: void
139: status_set_window_at(struct client *c, u_int x)
140: {
141: struct session *s = c->session;
142: struct winlink *wl;
143:
144: x += s->wlmouse;
145: RB_FOREACH(wl, winlinks, &s->windows) {
146: if (x < wl->status_width &&
147: session_select(s, wl->idx) == 0) {
148: server_redraw_session(s);
149: }
150: x -= wl->status_width + 1;
151: }
152: }
153:
1.1 nicm 154: /* Draw status for client on the last lines of given context. */
155: int
156: status_redraw(struct client *c)
157: {
1.48 nicm 158: struct screen_write_ctx ctx;
159: struct session *s = c->session;
160: struct winlink *wl;
161: struct screen old_status, window_list;
162: struct grid_cell stdgc, lgc, rgc, gc;
163: time_t t;
164: char *left, *right;
165: u_int offset, needed;
166: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
167: size_t llen, rlen;
168: int larrow, rarrow, utf8flag;
1.1 nicm 169:
1.49 nicm 170: /* No status line? */
1.7 nicm 171: if (c->tty.sy == 0 || !options_get_number(&s->options, "status"))
172: return (1);
1.48 nicm 173: left = right = NULL;
1.7 nicm 174: larrow = rarrow = 0;
1.1 nicm 175:
1.48 nicm 176: /* Update status timer. */
1.1 nicm 177: if (gettimeofday(&c->status_timer, NULL) != 0)
1.34 nicm 178: fatal("gettimeofday failed");
1.48 nicm 179: t = c->status_timer.tv_sec;
180:
181: /* Set up default colour. */
1.1 nicm 182: memcpy(&stdgc, &grid_default_cell, sizeof gc);
1.33 nicm 183: colour_set_fg(&stdgc, options_get_number(&s->options, "status-fg"));
184: colour_set_bg(&stdgc, options_get_number(&s->options, "status-bg"));
1.1 nicm 185: stdgc.attr |= options_get_number(&s->options, "status-attr");
186:
1.48 nicm 187: /* Create the target screen. */
188: memcpy(&old_status, &c->status, sizeof old_status);
189: screen_init(&c->status, c->tty.sx, 1, 0);
190: screen_write_start(&ctx, NULL, &c->status);
191: for (offset = 0; offset < c->tty.sx; offset++)
192: screen_write_putc(&ctx, &stdgc, ' ');
193: screen_write_stop(&ctx);
194:
195: /* If the height is one line, blank status line. */
196: if (c->tty.sy <= 1)
197: goto out;
1.1 nicm 198:
1.48 nicm 199: /* Get UTF-8 flag. */
1.3 nicm 200: utf8flag = options_get_number(&s->options, "status-utf8");
201:
1.48 nicm 202: /* Work out left and right strings. */
203: memcpy(&lgc, &stdgc, sizeof lgc);
204: left = status_redraw_get_left(c, t, utf8flag, &lgc, &llen);
205: memcpy(&rgc, &stdgc, sizeof rgc);
206: right = status_redraw_get_right(c, t, utf8flag, &rgc, &rlen);
1.1 nicm 207:
208: /*
1.48 nicm 209: * Figure out how much space we have for the window list. If there
210: * isn't enough space, just show a blank status line.
1.1 nicm 211: */
1.55 nicm 212: needed = 0;
1.1 nicm 213: if (llen != 0)
1.48 nicm 214: needed += llen + 1;
1.1 nicm 215: if (rlen != 0)
1.48 nicm 216: needed += rlen + 1;
217: if (c->tty.sx == 0 || c->tty.sx <= needed)
218: goto out;
219: wlavailable = c->tty.sx - needed;
1.1 nicm 220:
1.48 nicm 221: /* Calculate the total size needed for the window list. */
222: wlstart = wloffset = wlwidth = 0;
1.1 nicm 223: RB_FOREACH(wl, winlinks, &s->windows) {
1.48 nicm 224: if (wl->status_text != NULL)
225: xfree(wl->status_text);
226: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
227: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.55 nicm 228: wl->status_width =
1.48 nicm 229: screen_write_cstrlen(utf8flag, "%s", wl->status_text);
230:
1.1 nicm 231: if (wl == s->curw)
1.48 nicm 232: wloffset = wlwidth;
233: wlwidth += wl->status_width + 1;
234: }
235:
236: /* Create a new screen for the window list. */
237: screen_init(&window_list, wlwidth, 1, 0);
238:
239: /* And draw the window list into it. */
240: screen_write_start(&ctx, NULL, &window_list);
241: RB_FOREACH(wl, winlinks, &s->windows) {
1.55 nicm 242: screen_write_cnputs(&ctx,
1.48 nicm 243: -1, &wl->status_cell, utf8flag, "%s", wl->status_text);
244: screen_write_putc(&ctx, &stdgc, ' ');
1.1 nicm 245: }
1.48 nicm 246: screen_write_stop(&ctx);
1.1 nicm 247:
1.48 nicm 248: /* If there is enough space for the total width, skip to draw now. */
249: if (wlwidth <= wlavailable)
1.1 nicm 250: goto draw;
251:
252: /* Find size of current window text. */
1.48 nicm 253: wlsize = s->curw->status_width;
1.1 nicm 254:
255: /*
1.48 nicm 256: * If the current window is already on screen, good to draw from the
1.1 nicm 257: * start and just leave off the end.
258: */
1.48 nicm 259: if (wloffset + wlsize < wlavailable) {
260: if (wlavailable > 0) {
261: rarrow = 1;
262: wlavailable--;
263: }
264: wlwidth = wlavailable;
265: } else {
266: /*
267: * Work out how many characters we need to omit from the
268: * start. There are wlavailable characters to fill, and
269: * wloffset + wlsize must be the last. So, the start character
270: * is wloffset + wlsize - wlavailable.
271: */
272: if (wlavailable > 0) {
273: larrow = 1;
274: wlavailable--;
275: }
1.55 nicm 276:
1.48 nicm 277: wlstart = wloffset + wlsize - wlavailable;
278: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 279: rarrow = 1;
1.48 nicm 280: wlstart++;
281: wlavailable--;
1.1 nicm 282: }
1.48 nicm 283: wlwidth = wlavailable;
284: }
1.1 nicm 285:
1.48 nicm 286: /* Bail if anything is now too small too. */
287: if (wlwidth == 0 || wlavailable == 0) {
288: screen_free(&window_list);
289: goto out;
1.1 nicm 290: }
291:
292: /*
1.48 nicm 293: * Now the start position is known, work out the state of the left and
294: * right arrows.
1.1 nicm 295: */
296: offset = 0;
297: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 298: if (wl->flags & WINLINK_ALERTFLAGS &&
299: larrow == 1 && offset < wlstart)
300: larrow = -1;
1.1 nicm 301:
1.48 nicm 302: offset += wl->status_width;
1.1 nicm 303:
1.63 nicm 304: if (wl->flags & WINLINK_ALERTFLAGS &&
305: rarrow == 1 && offset > wlstart + wlwidth)
306: rarrow = -1;
1.1 nicm 307: }
308:
1.48 nicm 309: draw:
1.55 nicm 310: /* Begin drawing. */
1.48 nicm 311: screen_write_start(&ctx, NULL, &c->status);
1.1 nicm 312:
1.48 nicm 313: /* Draw the left string and arrow. */
314: screen_write_cursormove(&ctx, 0, 0);
315: if (llen != 0) {
316: screen_write_cnputs(&ctx, llen, &lgc, utf8flag, "%s", left);
1.5 nicm 317: screen_write_putc(&ctx, &stdgc, ' ');
1.1 nicm 318: }
319: if (larrow != 0) {
320: memcpy(&gc, &stdgc, sizeof gc);
321: if (larrow == -1)
322: gc.attr ^= GRID_ATTR_REVERSE;
323: screen_write_putc(&ctx, &gc, '<');
324: }
1.48 nicm 325:
326: /* Draw the right string and arrow. */
1.1 nicm 327: if (rarrow != 0) {
1.48 nicm 328: screen_write_cursormove(&ctx, c->tty.sx - rlen - 2, 0);
1.1 nicm 329: memcpy(&gc, &stdgc, sizeof gc);
330: if (rarrow == -1)
331: gc.attr ^= GRID_ATTR_REVERSE;
332: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 333: } else
334: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
335: if (rlen != 0) {
336: screen_write_putc(&ctx, &stdgc, ' ');
337: screen_write_cnputs(&ctx, rlen, &rgc, utf8flag, "%s", right);
1.1 nicm 338: }
339:
1.48 nicm 340: /* Figure out the offset for the window list. */
1.58 nicm 341: if (llen != 0)
342: wloffset = llen + 1;
343: else
344: wloffset = 0;
1.48 nicm 345: if (wlwidth < wlavailable) {
346: switch (options_get_number(&s->options, "status-justify")) {
347: case 1: /* centered */
1.58 nicm 348: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 349: break;
350: case 2: /* right */
1.58 nicm 351: wloffset += (wlavailable - wlwidth);
1.48 nicm 352: break;
353: }
354: }
355: if (larrow != 0)
356: wloffset++;
357:
358: /* Copy the window list. */
1.73 nicm 359: s->wlmouse = -wloffset + wlstart;
1.48 nicm 360: screen_write_cursormove(&ctx, wloffset, 0);
361: screen_write_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 362: screen_free(&window_list);
1.1 nicm 363:
1.48 nicm 364: screen_write_stop(&ctx);
1.1 nicm 365:
366: out:
367: if (left != NULL)
368: xfree(left);
369: if (right != NULL)
370: xfree(right);
371:
372: if (grid_compare(c->status.grid, old_status.grid) == 0) {
373: screen_free(&old_status);
374: return (0);
375: }
376: screen_free(&old_status);
377: return (1);
378: }
379:
1.46 nicm 380: /* Replace a single special sequence (prefixed by #). */
381: void
1.72 nicm 382: status_replace1(struct client *c, struct session *s, struct winlink *wl,
383: struct window_pane *wp, char **iptr, char **optr, char *out,
384: size_t outsize, int jobsflag)
385: {
386: char ch, tmp[256], *ptr, *endptr, *freeptr;
387: size_t ptrlen;
388: long limit;
1.80 nicm 389: u_int idx;
1.46 nicm 390:
1.72 nicm 391: if (s == NULL)
392: s = c->session;
1.47 nicm 393: if (wl == NULL)
394: wl = s->curw;
1.72 nicm 395: if (wp == NULL)
396: wp = wl->window->active;
1.47 nicm 397:
1.46 nicm 398: errno = 0;
399: limit = strtol(*iptr, &endptr, 10);
400: if ((limit == 0 && errno != EINVAL) ||
401: (limit == LONG_MIN && errno != ERANGE) ||
1.55 nicm 402: (limit == LONG_MAX && errno != ERANGE) ||
1.46 nicm 403: limit != 0)
404: *iptr = endptr;
405: if (limit <= 0)
406: limit = LONG_MAX;
407:
408: freeptr = NULL;
409:
410: switch (*(*iptr)++) {
411: case '(':
412: if (!jobsflag) {
413: ch = ')';
414: goto skip_to;
415: }
1.71 nicm 416: if ((ptr = status_find_job(c, iptr)) == NULL)
1.46 nicm 417: return;
418: goto do_replace;
1.72 nicm 419: case 'D':
420: xsnprintf(tmp, sizeof tmp, "%%%u", wp->id);
421: ptr = tmp;
422: goto do_replace;
1.46 nicm 423: case 'H':
424: if (gethostname(tmp, sizeof tmp) != 0)
425: fatal("gethostname failed");
1.74 nicm 426: ptr = tmp;
427: goto do_replace;
428: case 'h':
429: if (gethostname(tmp, sizeof tmp) != 0)
430: fatal("gethostname failed");
431: if ((ptr = strchr(tmp, '.')) != NULL)
432: *ptr = '\0';
1.46 nicm 433: ptr = tmp;
434: goto do_replace;
435: case 'I':
436: xsnprintf(tmp, sizeof tmp, "%d", wl->idx);
437: ptr = tmp;
438: goto do_replace;
439: case 'P':
1.80 nicm 440: if (window_pane_index(wp, &idx) != 0)
441: fatalx("index not found");
1.72 nicm 442: xsnprintf(
1.80 nicm 443: tmp, sizeof tmp, "%u", idx);
1.46 nicm 444: ptr = tmp;
445: goto do_replace;
446: case 'S':
447: ptr = s->name;
448: goto do_replace;
449: case 'T':
1.72 nicm 450: ptr = wp->base.title;
1.46 nicm 451: goto do_replace;
452: case 'W':
453: ptr = wl->window->name;
454: goto do_replace;
1.47 nicm 455: case 'F':
1.67 nicm 456: ptr = window_printable_flags(s, wl);
457: freeptr = ptr;
1.47 nicm 458: goto do_replace;
1.46 nicm 459: case '[':
1.55 nicm 460: /*
1.46 nicm 461: * Embedded style, handled at display time. Leave present and
462: * skip input until ].
463: */
464: ch = ']';
465: goto skip_to;
466: case '#':
1.49 nicm 467: *(*optr)++ = '#';
1.46 nicm 468: break;
469: }
470:
471: return;
1.55 nicm 472:
1.46 nicm 473: do_replace:
474: ptrlen = strlen(ptr);
475: if ((size_t) limit < ptrlen)
476: ptrlen = limit;
477:
478: if (*optr + ptrlen >= out + outsize - 1)
1.85 nicm 479: goto out;
1.46 nicm 480: while (ptrlen > 0 && *ptr != '\0') {
481: *(*optr)++ = *ptr++;
482: ptrlen--;
483: }
484:
1.85 nicm 485: out:
1.46 nicm 486: if (freeptr != NULL)
487: xfree(freeptr);
488: return;
489:
490: skip_to:
491: *(*optr)++ = '#';
492:
493: (*iptr)--; /* include ch */
494: while (**iptr != ch && **iptr != '\0') {
495: if (*optr >= out + outsize - 1)
496: break;
497: *(*optr)++ = *(*iptr)++;
498: }
499: }
500:
501: /* Replace special sequences in fmt. */
502: char *
1.72 nicm 503: status_replace(struct client *c, struct session *s, struct winlink *wl,
504: struct window_pane *wp, const char *fmt, time_t t, int jobsflag)
1.46 nicm 505: {
1.1 nicm 506: static char out[BUFSIZ];
1.46 nicm 507: char in[BUFSIZ], ch, *iptr, *optr;
1.86 nicm 508: size_t len;
1.47 nicm 509:
1.86 nicm 510: len = strftime(in, sizeof in, fmt, localtime(&t));
511: in[len] = '\0';
1.1 nicm 512:
513: iptr = in;
514: optr = out;
515:
516: while (*iptr != '\0') {
517: if (optr >= out + (sizeof out) - 1)
518: break;
1.46 nicm 519: ch = *iptr++;
520:
1.70 nicm 521: if (ch != '#' || *iptr == '\0') {
1.1 nicm 522: *optr++ = ch;
1.46 nicm 523: continue;
1.1 nicm 524: }
1.72 nicm 525: status_replace1(
526: c, s, wl, wp, &iptr, &optr, out, sizeof out, jobsflag);
1.1 nicm 527: }
528: *optr = '\0';
529:
530: return (xstrdup(out));
531: }
532:
1.46 nicm 533: /* Figure out job name and get its result, starting it off if necessary. */
1.1 nicm 534: char *
1.71 nicm 535: status_find_job(struct client *c, char **iptr)
1.1 nicm 536: {
1.71 nicm 537: struct status_out *so, so_find;
538: char *cmd;
539: int lastesc;
540: size_t len;
1.1 nicm 541:
542: if (**iptr == '\0')
543: return (NULL);
544: if (**iptr == ')') { /* no command given */
545: (*iptr)++;
546: return (NULL);
547: }
548:
549: cmd = xmalloc(strlen(*iptr) + 1);
550: len = 0;
551:
552: lastesc = 0;
553: for (; **iptr != '\0'; (*iptr)++) {
554: if (!lastesc && **iptr == ')')
555: break; /* unescaped ) is the end */
556: if (!lastesc && **iptr == '\\') {
557: lastesc = 1;
558: continue; /* skip \ if not escaped */
559: }
560: lastesc = 0;
561: cmd[len++] = **iptr;
562: }
1.38 nicm 563: if (**iptr == '\0') /* no terminating ) */ {
564: xfree(cmd);
565: return (NULL);
566: }
1.1 nicm 567: (*iptr)++; /* skip final ) */
568: cmd[len] = '\0';
569:
1.71 nicm 570: /* First try in the new tree. */
571: so_find.cmd = cmd;
572: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
1.78 nicm 573: if (so != NULL && so->out != NULL) {
574: xfree(cmd);
1.71 nicm 575: return (so->out);
1.78 nicm 576: }
1.71 nicm 577:
578: /* If not found at all, start the job and add to the tree. */
579: if (so == NULL) {
580: job_run(cmd, status_job_callback, status_job_free, c);
581: c->references++;
582:
583: so = xmalloc(sizeof *so);
584: so->cmd = xstrdup(cmd);
585: so->out = NULL;
586: RB_INSERT(status_out_tree, &c->status_new, so);
587: }
588:
589: /* Lookup in the old tree. */
590: so_find.cmd = cmd;
591: so = RB_FIND(status_out_tree, &c->status_old, &so_find);
592: xfree(cmd);
593: if (so != NULL)
594: return (so->out);
595: return (NULL);
596: }
597:
598: /* Free job tree. */
599: void
600: status_free_jobs(struct status_out_tree *sotree)
601: {
602: struct status_out *so, *so_next;
603:
604: so_next = RB_MIN(status_out_tree, sotree);
605: while (so_next != NULL) {
606: so = so_next;
607: so_next = RB_NEXT(status_out_tree, sotree, so);
608:
609: RB_REMOVE(status_out_tree, sotree, so);
610: if (so->out != NULL)
611: xfree(so->out);
612: xfree(so->cmd);
613: xfree(so);
1.38 nicm 614: }
1.71 nicm 615: }
616:
617: /* Update jobs on status interval. */
618: void
619: status_update_jobs(struct client *c)
620: {
621: /* Free the old tree. */
622: status_free_jobs(&c->status_old);
623:
624: /* Move the new to old. */
625: memcpy(&c->status_old, &c->status_new, sizeof c->status_old);
626: RB_INIT(&c->status_new);
627: }
628:
629: /* Free status job. */
630: void
631: status_job_free(void *data)
632: {
633: struct client *c = data;
634:
635: c->references--;
1.38 nicm 636: }
1.1 nicm 637:
1.46 nicm 638: /* Job has finished: save its result. */
1.38 nicm 639: void
640: status_job_callback(struct job *job)
641: {
1.71 nicm 642: struct client *c = job->data;
643: struct status_out *so, so_find;
644: char *line, *buf;
645: size_t len;
646:
647: if (c->flags & CLIENT_DEAD)
648: return;
649:
650: so_find.cmd = job->cmd;
651: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
652: if (so == NULL || so->out != NULL)
653: return;
1.38 nicm 654:
1.41 nicm 655: buf = NULL;
656: if ((line = evbuffer_readline(job->event->input)) == NULL) {
657: len = EVBUFFER_LENGTH(job->event->input);
658: buf = xmalloc(len + 1);
659: if (len != 0)
660: memcpy(buf, EVBUFFER_DATA(job->event->input), len);
661: buf[len] = '\0';
1.71 nicm 662: } else
663: buf = xstrdup(line);
1.1 nicm 664:
1.71 nicm 665: so->out = buf;
1.75 nicm 666: server_status_client(c);
1.1 nicm 667: }
668:
1.46 nicm 669: /* Return winlink status line entry and adjust gc as necessary. */
1.1 nicm 670: char *
1.47 nicm 671: status_print(
672: struct client *c, struct winlink *wl, time_t t, struct grid_cell *gc)
1.1 nicm 673: {
1.33 nicm 674: struct options *oo = &wl->window->options;
1.47 nicm 675: struct session *s = c->session;
676: const char *fmt;
677: char *text;
1.33 nicm 678: u_char fg, bg, attr;
1.1 nicm 679:
1.33 nicm 680: fg = options_get_number(oo, "window-status-fg");
1.1 nicm 681: if (fg != 8)
1.33 nicm 682: colour_set_fg(gc, fg);
683: bg = options_get_number(oo, "window-status-bg");
1.1 nicm 684: if (bg != 8)
1.33 nicm 685: colour_set_bg(gc, bg);
686: attr = options_get_number(oo, "window-status-attr");
1.1 nicm 687: if (attr != 0)
688: gc->attr = attr;
1.47 nicm 689: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 690: if (wl == s->curw) {
1.33 nicm 691: fg = options_get_number(oo, "window-status-current-fg");
1.14 nicm 692: if (fg != 8)
1.33 nicm 693: colour_set_fg(gc, fg);
694: bg = options_get_number(oo, "window-status-current-bg");
1.14 nicm 695: if (bg != 8)
1.33 nicm 696: colour_set_bg(gc, bg);
697: attr = options_get_number(oo, "window-status-current-attr");
1.14 nicm 698: if (attr != 0)
699: gc->attr = attr;
1.47 nicm 700: fmt = options_get_string(oo, "window-status-current-format");
1.14 nicm 701: }
1.1 nicm 702:
1.84 nicm 703: if (wl->flags & WINLINK_BELL) {
704: fg = options_get_number(oo, "window-status-bell-fg");
1.62 nicm 705: if (fg != 8)
706: colour_set_fg(gc, fg);
1.84 nicm 707: bg = options_get_number(oo, "window-status-bell-bg");
1.62 nicm 708: if (bg != 8)
709: colour_set_bg(gc, bg);
1.84 nicm 710: attr = options_get_number(oo, "window-status-bell-attr");
711: if (attr != 0)
712: gc->attr = attr;
713: } else if (wl->flags & WINLINK_CONTENT) {
714: fg = options_get_number(oo, "window-status-content-fg");
715: if (fg != 8)
716: colour_set_fg(gc, fg);
717: bg = options_get_number(oo, "window-status-content-bg");
718: if (bg != 8)
719: colour_set_bg(gc, bg);
720: attr = options_get_number(oo, "window-status-content-attr");
721: if (attr != 0)
722: gc->attr = attr;
723: } else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE)) {
724: fg = options_get_number(oo, "window-status-activity-fg");
725: if (fg != 8)
726: colour_set_fg(gc, fg);
727: bg = options_get_number(oo, "window-status-activity-bg");
728: if (bg != 8)
729: colour_set_bg(gc, bg);
730: attr = options_get_number(oo, "window-status-activity-attr");
1.62 nicm 731: if (attr != 0)
732: gc->attr = attr;
733: }
1.1 nicm 734:
1.72 nicm 735: text = status_replace(c, NULL, wl, NULL, fmt, t, 1);
1.1 nicm 736: return (text);
737: }
738:
1.46 nicm 739: /* Set a status line message. */
1.10 nicm 740: void printflike2
741: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 742: {
1.44 nicm 743: struct timeval tv;
744: struct session *s = c->session;
745: struct message_entry *msg;
746: va_list ap;
747: int delay;
748: u_int i, limit;
1.1 nicm 749:
1.12 nicm 750: status_prompt_clear(c);
751: status_message_clear(c);
752:
1.28 nicm 753: va_start(ap, fmt);
754: xvasprintf(&c->message_string, fmt, ap);
755: va_end(ap);
756:
1.44 nicm 757: ARRAY_EXPAND(&c->message_log, 1);
758: msg = &ARRAY_LAST(&c->message_log);
759: msg->msg_time = time(NULL);
760: msg->msg = xstrdup(c->message_string);
761:
762: if (s == NULL)
763: limit = 0;
764: else
765: limit = options_get_number(&s->options, "message-limit");
1.50 nicm 766: if (ARRAY_LENGTH(&c->message_log) > limit) {
767: limit = ARRAY_LENGTH(&c->message_log) - limit;
768: for (i = 0; i < limit; i++) {
769: msg = &ARRAY_FIRST(&c->message_log);
770: xfree(msg->msg);
771: ARRAY_REMOVE(&c->message_log, 0);
772: }
1.44 nicm 773: }
774:
1.1 nicm 775: delay = options_get_number(&c->session->options, "display-time");
776: tv.tv_sec = delay / 1000;
777: tv.tv_usec = (delay % 1000) * 1000L;
1.44 nicm 778:
1.42 nicm 779: evtimer_del(&c->message_timer);
780: evtimer_set(&c->message_timer, status_message_callback, c);
781: evtimer_add(&c->message_timer, &tv);
1.1 nicm 782:
783: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
784: c->flags |= CLIENT_STATUS;
785: }
786:
1.46 nicm 787: /* Clear status line message. */
1.1 nicm 788: void
789: status_message_clear(struct client *c)
790: {
791: if (c->message_string == NULL)
792: return;
793:
794: xfree(c->message_string);
795: c->message_string = NULL;
796:
797: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 798: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 799:
800: screen_reinit(&c->status);
1.42 nicm 801: }
802:
1.46 nicm 803: /* Clear status line message after timer expires. */
1.52 nicm 804: /* ARGSUSED */
1.42 nicm 805: void
806: status_message_callback(unused int fd, unused short event, void *data)
807: {
808: struct client *c = data;
809:
810: status_message_clear(c);
1.1 nicm 811: }
812:
813: /* Draw client message on status line of present else on last line. */
814: int
815: status_message_redraw(struct client *c)
816: {
817: struct screen_write_ctx ctx;
818: struct session *s = c->session;
819: struct screen old_status;
820: size_t len;
821: struct grid_cell gc;
1.51 nicm 822: int utf8flag;
1.1 nicm 823:
824: if (c->tty.sx == 0 || c->tty.sy == 0)
825: return (0);
826: memcpy(&old_status, &c->status, sizeof old_status);
827: screen_init(&c->status, c->tty.sx, 1, 0);
828:
1.51 nicm 829: utf8flag = options_get_number(&s->options, "status-utf8");
830:
831: len = screen_write_strlen(utf8flag, "%s", c->message_string);
1.1 nicm 832: if (len > c->tty.sx)
833: len = c->tty.sx;
834:
835: memcpy(&gc, &grid_default_cell, sizeof gc);
1.33 nicm 836: colour_set_fg(&gc, options_get_number(&s->options, "message-fg"));
837: colour_set_bg(&gc, options_get_number(&s->options, "message-bg"));
1.1 nicm 838: gc.attr |= options_get_number(&s->options, "message-attr");
839:
840: screen_write_start(&ctx, NULL, &c->status);
841:
842: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 843: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->message_string);
1.1 nicm 844: for (; len < c->tty.sx; len++)
845: screen_write_putc(&ctx, &gc, ' ');
846:
847: screen_write_stop(&ctx);
848:
849: if (grid_compare(c->status.grid, old_status.grid) == 0) {
850: screen_free(&old_status);
851: return (0);
852: }
853: screen_free(&old_status);
854: return (1);
855: }
856:
1.46 nicm 857: /* Enable status line prompt. */
1.1 nicm 858: void
1.76 nicm 859: status_prompt_set(struct client *c, const char *msg, const char *input,
1.12 nicm 860: int (*callbackfn)(void *, const char *), void (*freefn)(void *),
861: void *data, int flags)
1.1 nicm 862: {
1.20 nicm 863: int keys;
864:
1.12 nicm 865: status_message_clear(c);
866: status_prompt_clear(c);
867:
1.77 nicm 868: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
869: time(NULL), 0);
1.1 nicm 870:
1.77 nicm 871: if (input == NULL)
872: input = "";
873: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
874: time(NULL), 0);
1.76 nicm 875: c->prompt_index = strlen(c->prompt_buffer);
1.1 nicm 876:
1.12 nicm 877: c->prompt_callbackfn = callbackfn;
878: c->prompt_freefn = freefn;
1.1 nicm 879: c->prompt_data = data;
880:
881: c->prompt_hindex = 0;
882:
883: c->prompt_flags = flags;
884:
1.20 nicm 885: keys = options_get_number(&c->session->options, "status-keys");
886: if (keys == MODEKEY_EMACS)
1.21 nicm 887: mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
1.20 nicm 888: else
1.21 nicm 889: mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
1.1 nicm 890:
891: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
892: c->flags |= CLIENT_STATUS;
893: }
894:
1.46 nicm 895: /* Remove status line prompt. */
1.1 nicm 896: void
897: status_prompt_clear(struct client *c)
898: {
1.55 nicm 899: if (c->prompt_string == NULL)
1.1 nicm 900: return;
901:
1.12 nicm 902: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
903: c->prompt_freefn(c->prompt_data);
1.1 nicm 904:
905: xfree(c->prompt_string);
906: c->prompt_string = NULL;
907:
908: xfree(c->prompt_buffer);
909: c->prompt_buffer = NULL;
910:
911: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 912: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 913:
914: screen_reinit(&c->status);
1.27 nicm 915: }
916:
1.46 nicm 917: /* Update status line prompt with a new prompt string. */
1.27 nicm 918: void
1.76 nicm 919: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 920: {
921: xfree(c->prompt_string);
1.77 nicm 922: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
923: time(NULL), 0);
1.27 nicm 924:
1.76 nicm 925: xfree(c->prompt_buffer);
1.77 nicm 926: if (input == NULL)
927: input = "";
928: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
929: time(NULL), 0);
1.76 nicm 930: c->prompt_index = strlen(c->prompt_buffer);
1.27 nicm 931:
932: c->prompt_hindex = 0;
933:
934: c->flags |= CLIENT_STATUS;
1.1 nicm 935: }
936:
937: /* Draw client prompt on status line of present else on last line. */
938: int
939: status_prompt_redraw(struct client *c)
940: {
1.51 nicm 941: struct screen_write_ctx ctx;
1.1 nicm 942: struct session *s = c->session;
943: struct screen old_status;
1.29 nicm 944: size_t i, size, left, len, off;
1.51 nicm 945: struct grid_cell gc, *gcp;
946: int utf8flag;
1.1 nicm 947:
948: if (c->tty.sx == 0 || c->tty.sy == 0)
949: return (0);
950: memcpy(&old_status, &c->status, sizeof old_status);
951: screen_init(&c->status, c->tty.sx, 1, 0);
952:
1.51 nicm 953: utf8flag = options_get_number(&s->options, "status-utf8");
954:
955: len = screen_write_strlen(utf8flag, "%s", c->prompt_string);
1.1 nicm 956: if (len > c->tty.sx)
957: len = c->tty.sx;
1.51 nicm 958: off = 0;
1.1 nicm 959:
960: memcpy(&gc, &grid_default_cell, sizeof gc);
1.79 nicm 961: /* Change colours for command mode. */
962: if (c->prompt_mdata.mode == 1) {
963: colour_set_fg(&gc, options_get_number(&s->options, "message-command-fg"));
964: colour_set_bg(&gc, options_get_number(&s->options, "message-command-bg"));
965: gc.attr |= options_get_number(&s->options, "message-command-attr");
966: } else {
967: colour_set_fg(&gc, options_get_number(&s->options, "message-fg"));
968: colour_set_bg(&gc, options_get_number(&s->options, "message-bg"));
969: gc.attr |= options_get_number(&s->options, "message-attr");
970: }
1.1 nicm 971:
972: screen_write_start(&ctx, NULL, &c->status);
973:
974: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 975: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->prompt_string);
1.1 nicm 976:
977: left = c->tty.sx - len;
978: if (left != 0) {
1.51 nicm 979: size = screen_write_strlen(utf8flag, "%s", c->prompt_buffer);
980: if (c->prompt_index >= left) {
1.17 nicm 981: off = c->prompt_index - left + 1;
1.51 nicm 982: if (c->prompt_index == size)
1.1 nicm 983: left--;
984: size = left;
985: }
1.51 nicm 986: screen_write_nputs(
987: &ctx, left, &gc, utf8flag, "%s", c->prompt_buffer + off);
1.1 nicm 988:
1.55 nicm 989: for (i = len + size; i < c->tty.sx; i++)
990: screen_write_putc(&ctx, &gc, ' ');
1.1 nicm 991: }
992:
993: screen_write_stop(&ctx);
1.51 nicm 994:
995: /* Apply fake cursor. */
996: off = len + c->prompt_index - off;
997: gcp = grid_view_get_cell(c->status.grid, off, 0);
998: gcp->attr ^= GRID_ATTR_REVERSE;
1.1 nicm 999:
1000: if (grid_compare(c->status.grid, old_status.grid) == 0) {
1001: screen_free(&old_status);
1002: return (0);
1003: }
1004: screen_free(&old_status);
1005: return (1);
1006: }
1007:
1008: /* Handle keys in prompt. */
1009: void
1010: status_prompt_key(struct client *c, int key)
1011: {
1.81 nicm 1012: struct session *sess = c->session;
1013: struct options *oo = &sess->options;
1.1 nicm 1014: struct paste_buffer *pb;
1.81 nicm 1015: char *s, *first, *last, word[64], swapc;
1016: const char *histstr;
1.83 nicm 1017: const char *wsep = NULL;
1.53 nicm 1018: u_char ch;
1.1 nicm 1019: size_t size, n, off, idx;
1020:
1021: size = strlen(c->prompt_buffer);
1022: switch (mode_key_lookup(&c->prompt_mdata, key)) {
1.20 nicm 1023: case MODEKEYEDIT_CURSORLEFT:
1.1 nicm 1024: if (c->prompt_index > 0) {
1025: c->prompt_index--;
1026: c->flags |= CLIENT_STATUS;
1027: }
1028: break;
1.79 nicm 1029: case MODEKEYEDIT_SWITCHMODE:
1030: c->flags |= CLIENT_STATUS;
1031: break;
1.20 nicm 1032: case MODEKEYEDIT_SWITCHMODEAPPEND:
1.79 nicm 1033: c->flags |= CLIENT_STATUS;
1034: /* FALLTHROUGH */
1.20 nicm 1035: case MODEKEYEDIT_CURSORRIGHT:
1.1 nicm 1036: if (c->prompt_index < size) {
1037: c->prompt_index++;
1038: c->flags |= CLIENT_STATUS;
1039: }
1040: break;
1.20 nicm 1041: case MODEKEYEDIT_STARTOFLINE:
1.1 nicm 1042: if (c->prompt_index != 0) {
1043: c->prompt_index = 0;
1044: c->flags |= CLIENT_STATUS;
1045: }
1046: break;
1.20 nicm 1047: case MODEKEYEDIT_ENDOFLINE:
1.1 nicm 1048: if (c->prompt_index != size) {
1049: c->prompt_index = size;
1050: c->flags |= CLIENT_STATUS;
1051: }
1052: break;
1.20 nicm 1053: case MODEKEYEDIT_COMPLETE:
1.1 nicm 1054: if (*c->prompt_buffer == '\0')
1055: break;
1056:
1057: idx = c->prompt_index;
1058: if (idx != 0)
1059: idx--;
1060:
1061: /* Find the word we are in. */
1062: first = c->prompt_buffer + idx;
1063: while (first > c->prompt_buffer && *first != ' ')
1064: first--;
1065: while (*first == ' ')
1066: first++;
1067: last = c->prompt_buffer + idx;
1068: while (*last != '\0' && *last != ' ')
1069: last++;
1070: while (*last == ' ')
1071: last--;
1072: if (*last != '\0')
1073: last++;
1074: if (last <= first ||
1075: ((size_t) (last - first)) > (sizeof word) - 1)
1076: break;
1077: memcpy(word, first, last - first);
1078: word[last - first] = '\0';
1079:
1080: /* And try to complete it. */
1081: if ((s = status_prompt_complete(word)) == NULL)
1082: break;
1083:
1084: /* Trim out word. */
1085: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1086: memmove(first, last, n);
1087: size -= last - first;
1088:
1089: /* Insert the new word. */
1.55 nicm 1090: size += strlen(s);
1.1 nicm 1091: off = first - c->prompt_buffer;
1.55 nicm 1092: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 1);
1.1 nicm 1093: first = c->prompt_buffer + off;
1.55 nicm 1094: memmove(first + strlen(s), first, n);
1095: memcpy(first, s, strlen(s));
1.1 nicm 1096:
1097: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.22 nicm 1098: xfree(s);
1.1 nicm 1099:
1100: c->flags |= CLIENT_STATUS;
1101: break;
1.20 nicm 1102: case MODEKEYEDIT_BACKSPACE:
1.1 nicm 1103: if (c->prompt_index != 0) {
1104: if (c->prompt_index == size)
1105: c->prompt_buffer[--c->prompt_index] = '\0';
1106: else {
1107: memmove(c->prompt_buffer + c->prompt_index - 1,
1108: c->prompt_buffer + c->prompt_index,
1109: size + 1 - c->prompt_index);
1110: c->prompt_index--;
1111: }
1112: c->flags |= CLIENT_STATUS;
1113: }
1114: break;
1.55 nicm 1115: case MODEKEYEDIT_DELETE:
1.1 nicm 1116: if (c->prompt_index != size) {
1117: memmove(c->prompt_buffer + c->prompt_index,
1118: c->prompt_buffer + c->prompt_index + 1,
1119: size + 1 - c->prompt_index);
1.18 nicm 1120: c->flags |= CLIENT_STATUS;
1121: }
1.26 nicm 1122: break;
1123: case MODEKEYEDIT_DELETELINE:
1124: *c->prompt_buffer = '\0';
1125: c->prompt_index = 0;
1126: c->flags |= CLIENT_STATUS;
1.18 nicm 1127: break;
1.20 nicm 1128: case MODEKEYEDIT_DELETETOENDOFLINE:
1.18 nicm 1129: if (c->prompt_index < size) {
1130: c->prompt_buffer[c->prompt_index] = '\0';
1.1 nicm 1131: c->flags |= CLIENT_STATUS;
1132: }
1133: break;
1.81 nicm 1134: case MODEKEYEDIT_DELETEWORD:
1135: wsep = options_get_string(oo, "word-separators");
1136: idx = c->prompt_index;
1137:
1138: /* Find a non-separator. */
1139: while (idx != 0) {
1140: idx--;
1141: if (!strchr(wsep, c->prompt_buffer[idx]))
1142: break;
1143: }
1144:
1145: /* Find the separator at the beginning of the word. */
1146: while (idx != 0) {
1147: idx--;
1148: if (strchr(wsep, c->prompt_buffer[idx])) {
1149: /* Go back to the word. */
1150: idx++;
1151: break;
1152: }
1153: }
1154:
1155: memmove(c->prompt_buffer + idx,
1156: c->prompt_buffer + c->prompt_index,
1157: size + 1 - c->prompt_index);
1158: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1159: '\0', c->prompt_index - idx);
1160: c->prompt_index = idx;
1161: c->flags |= CLIENT_STATUS;
1162: break;
1.83 nicm 1163: case MODEKEYEDIT_NEXTSPACE:
1164: wsep = " ";
1165: /* FALLTHROUGH */
1.81 nicm 1166: case MODEKEYEDIT_NEXTWORD:
1.83 nicm 1167: if (wsep == NULL)
1168: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1169:
1170: /* Find a separator. */
1171: while (c->prompt_index != size) {
1172: c->prompt_index++;
1173: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1174: break;
1175: }
1176:
1177: /* Find the word right after the separation. */
1178: while (c->prompt_index != size) {
1179: c->prompt_index++;
1180: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1181: break;
1182: }
1183:
1184: c->flags |= CLIENT_STATUS;
1185: break;
1.83 nicm 1186: case MODEKEYEDIT_NEXTSPACEEND:
1187: wsep = " ";
1188: /* FALLTHROUGH */
1.81 nicm 1189: case MODEKEYEDIT_NEXTWORDEND:
1.83 nicm 1190: if (wsep == NULL)
1191: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1192:
1193: /* Find a word. */
1194: while (c->prompt_index != size) {
1195: c->prompt_index++;
1196: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1197: break;
1198: }
1199:
1200: /* Find the separator at the end of the word. */
1201: while (c->prompt_index != size) {
1202: c->prompt_index++;
1.82 nicm 1203: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1.81 nicm 1204: break;
1205: }
1206:
1207: c->flags |= CLIENT_STATUS;
1208: break;
1.83 nicm 1209: case MODEKEYEDIT_PREVIOUSSPACE:
1210: wsep = " ";
1211: /* FALLTHROUGH */
1.81 nicm 1212: case MODEKEYEDIT_PREVIOUSWORD:
1.83 nicm 1213: if (wsep == NULL)
1214: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1215:
1216: /* Find a non-separator. */
1217: while (c->prompt_index != 0) {
1218: c->prompt_index--;
1219: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1220: break;
1221: }
1222:
1223: /* Find the separator at the beginning of the word. */
1224: while (c->prompt_index != 0) {
1225: c->prompt_index--;
1226: if (strchr(wsep, c->prompt_buffer[c->prompt_index])) {
1227: /* Go back to the word. */
1228: c->prompt_index++;
1229: break;
1230: }
1231: }
1232:
1233: c->flags |= CLIENT_STATUS;
1234: break;
1.20 nicm 1235: case MODEKEYEDIT_HISTORYUP:
1.66 nicm 1236: histstr = status_prompt_up_history(&c->prompt_hindex);
1237: if (histstr == NULL)
1.1 nicm 1238: break;
1.81 nicm 1239: xfree(c->prompt_buffer);
1.66 nicm 1240: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1241: c->prompt_index = strlen(c->prompt_buffer);
1242: c->flags |= CLIENT_STATUS;
1243: break;
1.20 nicm 1244: case MODEKEYEDIT_HISTORYDOWN:
1.66 nicm 1245: histstr = status_prompt_down_history(&c->prompt_hindex);
1246: if (histstr == NULL)
1.65 nicm 1247: break;
1.1 nicm 1248: xfree(c->prompt_buffer);
1.66 nicm 1249: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1250: c->prompt_index = strlen(c->prompt_buffer);
1251: c->flags |= CLIENT_STATUS;
1252: break;
1.20 nicm 1253: case MODEKEYEDIT_PASTE:
1.68 nicm 1254: if ((pb = paste_get_top(&global_buffers)) == NULL)
1.1 nicm 1255: break;
1.32 nicm 1256: for (n = 0; n < pb->size; n++) {
1.53 nicm 1257: ch = (u_char) pb->data[n];
1258: if (ch < 32 || ch == 127)
1.32 nicm 1259: break;
1260: }
1.1 nicm 1261:
1262: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + n + 1);
1263: if (c->prompt_index == size) {
1264: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1265: c->prompt_index += n;
1266: c->prompt_buffer[c->prompt_index] = '\0';
1267: } else {
1268: memmove(c->prompt_buffer + c->prompt_index + n,
1269: c->prompt_buffer + c->prompt_index,
1270: size + 1 - c->prompt_index);
1271: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1272: c->prompt_index += n;
1273: }
1274:
1275: c->flags |= CLIENT_STATUS;
1.30 nicm 1276: break;
1277: case MODEKEYEDIT_TRANSPOSECHARS:
1278: idx = c->prompt_index;
1279: if (idx < size)
1280: idx++;
1281: if (idx >= 2) {
1282: swapc = c->prompt_buffer[idx - 2];
1283: c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
1284: c->prompt_buffer[idx - 1] = swapc;
1285: c->prompt_index = idx;
1286: c->flags |= CLIENT_STATUS;
1287: }
1.1 nicm 1288: break;
1.55 nicm 1289: case MODEKEYEDIT_ENTER:
1.25 nicm 1290: if (*c->prompt_buffer != '\0')
1.65 nicm 1291: status_prompt_add_history(c->prompt_buffer);
1.25 nicm 1292: if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
1293: status_prompt_clear(c);
1294: break;
1.20 nicm 1295: case MODEKEYEDIT_CANCEL:
1.12 nicm 1296: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1297: status_prompt_clear(c);
1298: break;
1.20 nicm 1299: case MODEKEY_OTHER:
1.61 nicm 1300: if ((key & 0xff00) != 0 || key < 32 || key == 127)
1.1 nicm 1301: break;
1302: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 2);
1303:
1304: if (c->prompt_index == size) {
1305: c->prompt_buffer[c->prompt_index++] = key;
1306: c->prompt_buffer[c->prompt_index] = '\0';
1307: } else {
1308: memmove(c->prompt_buffer + c->prompt_index + 1,
1309: c->prompt_buffer + c->prompt_index,
1310: size + 1 - c->prompt_index);
1311: c->prompt_buffer[c->prompt_index++] = key;
1312: }
1313:
1314: if (c->prompt_flags & PROMPT_SINGLE) {
1.12 nicm 1315: if (c->prompt_callbackfn(
1.1 nicm 1316: c->prompt_data, c->prompt_buffer) == 0)
1317: status_prompt_clear(c);
1318: }
1319:
1320: c->flags |= CLIENT_STATUS;
1321: break;
1322: default:
1323: break;
1324: }
1325: }
1326:
1.65 nicm 1327: /* Get previous line from the history. */
1328: const char *
1329: status_prompt_up_history(u_int *idx)
1330: {
1331: u_int size;
1332:
1333: /*
1334: * History runs from 0 to size - 1.
1335: *
1336: * Index is from 0 to size. Zero is empty.
1337: */
1338:
1339: size = ARRAY_LENGTH(&status_prompt_history);
1340: if (size == 0 || *idx == size)
1341: return (NULL);
1342: (*idx)++;
1343: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1344: }
1345:
1346: /* Get next line from the history. */
1347: const char *
1348: status_prompt_down_history(u_int *idx)
1349: {
1350: u_int size;
1351:
1352: size = ARRAY_LENGTH(&status_prompt_history);
1353: if (size == 0 || *idx == 0)
1354: return ("");
1355: (*idx)--;
1356: if (*idx == 0)
1357: return ("");
1358: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1359: }
1360:
1.1 nicm 1361: /* Add line to the history. */
1362: void
1.65 nicm 1363: status_prompt_add_history(const char *line)
1.1 nicm 1364: {
1.65 nicm 1365: u_int size;
1366:
1367: size = ARRAY_LENGTH(&status_prompt_history);
1368: if (size > 0 && strcmp(ARRAY_LAST(&status_prompt_history), line) == 0)
1.1 nicm 1369: return;
1370:
1.65 nicm 1371: if (size == PROMPT_HISTORY) {
1372: xfree(ARRAY_FIRST(&status_prompt_history));
1373: ARRAY_REMOVE(&status_prompt_history, 0);
1.1 nicm 1374: }
1375:
1.65 nicm 1376: ARRAY_ADD(&status_prompt_history, xstrdup(line));
1.1 nicm 1377: }
1378:
1379: /* Complete word. */
1380: char *
1381: status_prompt_complete(const char *s)
1382: {
1.69 nicm 1383: const struct cmd_entry **cmdent;
1384: const struct options_table_entry *oe;
1385: ARRAY_DECL(, const char *) list;
1386: char *prefix, *s2;
1387: u_int i;
1388: size_t j;
1.1 nicm 1389:
1390: if (*s == '\0')
1391: return (NULL);
1392:
1393: /* First, build a list of all the possible matches. */
1394: ARRAY_INIT(&list);
1395: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1396: if (strncmp((*cmdent)->name, s, strlen(s)) == 0)
1397: ARRAY_ADD(&list, (*cmdent)->name);
1.56 nicm 1398: }
1.69 nicm 1399: for (oe = server_options_table; oe->name != NULL; oe++) {
1400: if (strncmp(oe->name, s, strlen(s)) == 0)
1401: ARRAY_ADD(&list, oe->name);
1402: }
1403: for (oe = session_options_table; oe->name != NULL; oe++) {
1404: if (strncmp(oe->name, s, strlen(s)) == 0)
1405: ARRAY_ADD(&list, oe->name);
1406: }
1407: for (oe = window_options_table; oe->name != NULL; oe++) {
1408: if (strncmp(oe->name, s, strlen(s)) == 0)
1409: ARRAY_ADD(&list, oe->name);
1.1 nicm 1410: }
1411:
1412: /* If none, bail now. */
1413: if (ARRAY_LENGTH(&list) == 0) {
1414: ARRAY_FREE(&list);
1415: return (NULL);
1416: }
1417:
1418: /* If an exact match, return it, with a trailing space. */
1419: if (ARRAY_LENGTH(&list) == 1) {
1420: xasprintf(&s2, "%s ", ARRAY_FIRST(&list));
1421: ARRAY_FREE(&list);
1422: return (s2);
1423: }
1424:
1425: /* Now loop through the list and find the longest common prefix. */
1426: prefix = xstrdup(ARRAY_FIRST(&list));
1427: for (i = 1; i < ARRAY_LENGTH(&list); i++) {
1428: s = ARRAY_ITEM(&list, i);
1429:
1430: j = strlen(s);
1431: if (j > strlen(prefix))
1432: j = strlen(prefix);
1433: for (; j > 0; j--) {
1434: if (prefix[j - 1] != s[j - 1])
1435: prefix[j - 1] = '\0';
1436: }
1437: }
1438:
1439: ARRAY_FREE(&list);
1440: return (prefix);
1441: }
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