Annotation of src/usr.bin/tmux/status.c, Revision 1.84
1.84 ! nicm 1: /* $OpenBSD: status.c,v 1.83 2012/01/20 19:10:29 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));
61: }
62:
1.48 nicm 63: /* Retrieve options for left string. */
64: char *
65: status_redraw_get_left(struct client *c,
66: time_t t, int utf8flag, struct grid_cell *gc, size_t *size)
67: {
68: struct session *s = c->session;
69: char *left;
70: u_char fg, bg, attr;
71: size_t leftlen;
72:
73: fg = options_get_number(&s->options, "status-left-fg");
74: if (fg != 8)
75: colour_set_fg(gc, fg);
76: bg = options_get_number(&s->options, "status-left-bg");
77: if (bg != 8)
78: colour_set_bg(gc, bg);
79: attr = options_get_number(&s->options, "status-left-attr");
80: if (attr != 0)
81: gc->attr = attr;
82:
1.72 nicm 83: left = status_replace(c, NULL,
84: NULL, NULL, options_get_string(&s->options, "status-left"), t, 1);
1.48 nicm 85:
86: *size = options_get_number(&s->options, "status-left-length");
87: leftlen = screen_write_cstrlen(utf8flag, "%s", left);
88: if (leftlen < *size)
89: *size = leftlen;
90: return (left);
91: }
92:
93: /* Retrieve options for right string. */
94: char *
95: status_redraw_get_right(struct client *c,
96: time_t t, int utf8flag, struct grid_cell *gc, size_t *size)
97: {
98: struct session *s = c->session;
99: char *right;
100: u_char fg, bg, attr;
101: size_t rightlen;
102:
103: fg = options_get_number(&s->options, "status-right-fg");
104: if (fg != 8)
105: colour_set_fg(gc, fg);
106: bg = options_get_number(&s->options, "status-right-bg");
107: if (bg != 8)
108: colour_set_bg(gc, bg);
109: attr = options_get_number(&s->options, "status-right-attr");
110: if (attr != 0)
111: gc->attr = attr;
112:
1.72 nicm 113: right = status_replace(c, NULL,
114: NULL, NULL, options_get_string(&s->options, "status-right"), t, 1);
1.48 nicm 115:
116: *size = options_get_number(&s->options, "status-right-length");
117: rightlen = screen_write_cstrlen(utf8flag, "%s", right);
118: if (rightlen < *size)
119: *size = rightlen;
120: return (right);
121: }
122:
1.73 nicm 123: /* Set window at window list position. */
124: void
125: status_set_window_at(struct client *c, u_int x)
126: {
127: struct session *s = c->session;
128: struct winlink *wl;
129:
130: x += s->wlmouse;
131: RB_FOREACH(wl, winlinks, &s->windows) {
132: if (x < wl->status_width &&
133: session_select(s, wl->idx) == 0) {
134: server_redraw_session(s);
135: }
136: x -= wl->status_width + 1;
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;
149: time_t t;
150: char *left, *right;
151: u_int offset, needed;
152: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
153: size_t llen, rlen;
154: int larrow, rarrow, utf8flag;
1.1 nicm 155:
1.49 nicm 156: /* No status line? */
1.7 nicm 157: if (c->tty.sy == 0 || !options_get_number(&s->options, "status"))
158: return (1);
1.48 nicm 159: left = right = NULL;
1.7 nicm 160: larrow = rarrow = 0;
1.1 nicm 161:
1.48 nicm 162: /* Update status timer. */
1.1 nicm 163: if (gettimeofday(&c->status_timer, NULL) != 0)
1.34 nicm 164: fatal("gettimeofday failed");
1.48 nicm 165: t = c->status_timer.tv_sec;
166:
167: /* Set up default colour. */
1.1 nicm 168: memcpy(&stdgc, &grid_default_cell, sizeof gc);
1.33 nicm 169: colour_set_fg(&stdgc, options_get_number(&s->options, "status-fg"));
170: colour_set_bg(&stdgc, options_get_number(&s->options, "status-bg"));
1.1 nicm 171: stdgc.attr |= options_get_number(&s->options, "status-attr");
172:
1.48 nicm 173: /* Create the target screen. */
174: memcpy(&old_status, &c->status, sizeof old_status);
175: screen_init(&c->status, c->tty.sx, 1, 0);
176: screen_write_start(&ctx, NULL, &c->status);
177: for (offset = 0; offset < c->tty.sx; offset++)
178: screen_write_putc(&ctx, &stdgc, ' ');
179: screen_write_stop(&ctx);
180:
181: /* If the height is one line, blank status line. */
182: if (c->tty.sy <= 1)
183: goto out;
1.1 nicm 184:
1.48 nicm 185: /* Get UTF-8 flag. */
1.3 nicm 186: utf8flag = options_get_number(&s->options, "status-utf8");
187:
1.48 nicm 188: /* Work out left and right strings. */
189: memcpy(&lgc, &stdgc, sizeof lgc);
190: left = status_redraw_get_left(c, t, utf8flag, &lgc, &llen);
191: memcpy(&rgc, &stdgc, sizeof rgc);
192: right = status_redraw_get_right(c, t, utf8flag, &rgc, &rlen);
1.1 nicm 193:
194: /*
1.48 nicm 195: * Figure out how much space we have for the window list. If there
196: * isn't enough space, just show a blank status line.
1.1 nicm 197: */
1.55 nicm 198: needed = 0;
1.1 nicm 199: if (llen != 0)
1.48 nicm 200: needed += llen + 1;
1.1 nicm 201: if (rlen != 0)
1.48 nicm 202: needed += rlen + 1;
203: if (c->tty.sx == 0 || c->tty.sx <= needed)
204: goto out;
205: wlavailable = c->tty.sx - needed;
1.1 nicm 206:
1.48 nicm 207: /* Calculate the total size needed for the window list. */
208: wlstart = wloffset = wlwidth = 0;
1.1 nicm 209: RB_FOREACH(wl, winlinks, &s->windows) {
1.48 nicm 210: if (wl->status_text != NULL)
211: xfree(wl->status_text);
212: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
213: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.55 nicm 214: wl->status_width =
1.48 nicm 215: screen_write_cstrlen(utf8flag, "%s", wl->status_text);
216:
1.1 nicm 217: if (wl == s->curw)
1.48 nicm 218: wloffset = wlwidth;
219: wlwidth += wl->status_width + 1;
220: }
221:
222: /* Create a new screen for the window list. */
223: screen_init(&window_list, wlwidth, 1, 0);
224:
225: /* And draw the window list into it. */
226: screen_write_start(&ctx, NULL, &window_list);
227: RB_FOREACH(wl, winlinks, &s->windows) {
1.55 nicm 228: screen_write_cnputs(&ctx,
1.48 nicm 229: -1, &wl->status_cell, utf8flag, "%s", wl->status_text);
230: screen_write_putc(&ctx, &stdgc, ' ');
1.1 nicm 231: }
1.48 nicm 232: screen_write_stop(&ctx);
1.1 nicm 233:
1.48 nicm 234: /* If there is enough space for the total width, skip to draw now. */
235: if (wlwidth <= wlavailable)
1.1 nicm 236: goto draw;
237:
238: /* Find size of current window text. */
1.48 nicm 239: wlsize = s->curw->status_width;
1.1 nicm 240:
241: /*
1.48 nicm 242: * If the current window is already on screen, good to draw from the
1.1 nicm 243: * start and just leave off the end.
244: */
1.48 nicm 245: if (wloffset + wlsize < wlavailable) {
246: if (wlavailable > 0) {
247: rarrow = 1;
248: wlavailable--;
249: }
250: wlwidth = wlavailable;
251: } else {
252: /*
253: * Work out how many characters we need to omit from the
254: * start. There are wlavailable characters to fill, and
255: * wloffset + wlsize must be the last. So, the start character
256: * is wloffset + wlsize - wlavailable.
257: */
258: if (wlavailable > 0) {
259: larrow = 1;
260: wlavailable--;
261: }
1.55 nicm 262:
1.48 nicm 263: wlstart = wloffset + wlsize - wlavailable;
264: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 265: rarrow = 1;
1.48 nicm 266: wlstart++;
267: wlavailable--;
1.1 nicm 268: }
1.48 nicm 269: wlwidth = wlavailable;
270: }
1.1 nicm 271:
1.48 nicm 272: /* Bail if anything is now too small too. */
273: if (wlwidth == 0 || wlavailable == 0) {
274: screen_free(&window_list);
275: goto out;
1.1 nicm 276: }
277:
278: /*
1.48 nicm 279: * Now the start position is known, work out the state of the left and
280: * right arrows.
1.1 nicm 281: */
282: offset = 0;
283: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 284: if (wl->flags & WINLINK_ALERTFLAGS &&
285: larrow == 1 && offset < wlstart)
286: larrow = -1;
1.1 nicm 287:
1.48 nicm 288: offset += wl->status_width;
1.1 nicm 289:
1.63 nicm 290: if (wl->flags & WINLINK_ALERTFLAGS &&
291: rarrow == 1 && offset > wlstart + wlwidth)
292: rarrow = -1;
1.1 nicm 293: }
294:
1.48 nicm 295: draw:
1.55 nicm 296: /* Begin drawing. */
1.48 nicm 297: screen_write_start(&ctx, NULL, &c->status);
1.1 nicm 298:
1.48 nicm 299: /* Draw the left string and arrow. */
300: screen_write_cursormove(&ctx, 0, 0);
301: if (llen != 0) {
302: screen_write_cnputs(&ctx, llen, &lgc, utf8flag, "%s", left);
1.5 nicm 303: screen_write_putc(&ctx, &stdgc, ' ');
1.1 nicm 304: }
305: if (larrow != 0) {
306: memcpy(&gc, &stdgc, sizeof gc);
307: if (larrow == -1)
308: gc.attr ^= GRID_ATTR_REVERSE;
309: screen_write_putc(&ctx, &gc, '<');
310: }
1.48 nicm 311:
312: /* Draw the right string and arrow. */
1.1 nicm 313: if (rarrow != 0) {
1.48 nicm 314: screen_write_cursormove(&ctx, c->tty.sx - rlen - 2, 0);
1.1 nicm 315: memcpy(&gc, &stdgc, sizeof gc);
316: if (rarrow == -1)
317: gc.attr ^= GRID_ATTR_REVERSE;
318: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 319: } else
320: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
321: if (rlen != 0) {
322: screen_write_putc(&ctx, &stdgc, ' ');
323: screen_write_cnputs(&ctx, rlen, &rgc, utf8flag, "%s", right);
1.1 nicm 324: }
325:
1.48 nicm 326: /* Figure out the offset for the window list. */
1.58 nicm 327: if (llen != 0)
328: wloffset = llen + 1;
329: else
330: wloffset = 0;
1.48 nicm 331: if (wlwidth < wlavailable) {
332: switch (options_get_number(&s->options, "status-justify")) {
333: case 1: /* centered */
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. */
1.73 nicm 345: s->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:
353: if (left != NULL)
354: xfree(left);
355: if (right != NULL)
356: xfree(right);
357:
358: if (grid_compare(c->status.grid, old_status.grid) == 0) {
359: screen_free(&old_status);
360: return (0);
361: }
362: screen_free(&old_status);
363: return (1);
364: }
365:
1.46 nicm 366: /* Replace a single special sequence (prefixed by #). */
367: void
1.72 nicm 368: status_replace1(struct client *c, struct session *s, struct winlink *wl,
369: struct window_pane *wp, char **iptr, char **optr, char *out,
370: size_t outsize, int jobsflag)
371: {
372: char ch, tmp[256], *ptr, *endptr, *freeptr;
373: size_t ptrlen;
374: long limit;
1.80 nicm 375: u_int idx;
1.46 nicm 376:
1.72 nicm 377: if (s == NULL)
378: s = c->session;
1.47 nicm 379: if (wl == NULL)
380: wl = s->curw;
1.72 nicm 381: if (wp == NULL)
382: wp = wl->window->active;
1.47 nicm 383:
1.46 nicm 384: errno = 0;
385: limit = strtol(*iptr, &endptr, 10);
386: if ((limit == 0 && errno != EINVAL) ||
387: (limit == LONG_MIN && errno != ERANGE) ||
1.55 nicm 388: (limit == LONG_MAX && errno != ERANGE) ||
1.46 nicm 389: limit != 0)
390: *iptr = endptr;
391: if (limit <= 0)
392: limit = LONG_MAX;
393:
394: freeptr = NULL;
395:
396: switch (*(*iptr)++) {
397: case '(':
398: if (!jobsflag) {
399: ch = ')';
400: goto skip_to;
401: }
1.71 nicm 402: if ((ptr = status_find_job(c, iptr)) == NULL)
1.46 nicm 403: return;
404: goto do_replace;
1.72 nicm 405: case 'D':
406: xsnprintf(tmp, sizeof tmp, "%%%u", wp->id);
407: ptr = tmp;
408: goto do_replace;
1.46 nicm 409: case 'H':
410: if (gethostname(tmp, sizeof tmp) != 0)
411: fatal("gethostname failed");
1.74 nicm 412: ptr = tmp;
413: goto do_replace;
414: case 'h':
415: if (gethostname(tmp, sizeof tmp) != 0)
416: fatal("gethostname failed");
417: if ((ptr = strchr(tmp, '.')) != NULL)
418: *ptr = '\0';
1.46 nicm 419: ptr = tmp;
420: goto do_replace;
421: case 'I':
422: xsnprintf(tmp, sizeof tmp, "%d", wl->idx);
423: ptr = tmp;
424: goto do_replace;
425: case 'P':
1.80 nicm 426: if (window_pane_index(wp, &idx) != 0)
427: fatalx("index not found");
1.72 nicm 428: xsnprintf(
1.80 nicm 429: tmp, sizeof tmp, "%u", idx);
1.46 nicm 430: ptr = tmp;
431: goto do_replace;
432: case 'S':
433: ptr = s->name;
434: goto do_replace;
435: case 'T':
1.72 nicm 436: ptr = wp->base.title;
1.46 nicm 437: goto do_replace;
438: case 'W':
439: ptr = wl->window->name;
440: goto do_replace;
1.47 nicm 441: case 'F':
1.67 nicm 442: ptr = window_printable_flags(s, wl);
443: freeptr = ptr;
1.47 nicm 444: goto do_replace;
1.46 nicm 445: case '[':
1.55 nicm 446: /*
1.46 nicm 447: * Embedded style, handled at display time. Leave present and
448: * skip input until ].
449: */
450: ch = ']';
451: goto skip_to;
452: case '#':
1.49 nicm 453: *(*optr)++ = '#';
1.46 nicm 454: break;
455: }
456:
457: return;
1.55 nicm 458:
1.46 nicm 459: do_replace:
460: ptrlen = strlen(ptr);
461: if ((size_t) limit < ptrlen)
462: ptrlen = limit;
463:
464: if (*optr + ptrlen >= out + outsize - 1)
465: return;
466: while (ptrlen > 0 && *ptr != '\0') {
467: *(*optr)++ = *ptr++;
468: ptrlen--;
469: }
470:
471: if (freeptr != NULL)
472: xfree(freeptr);
473: return;
474:
475: skip_to:
476: *(*optr)++ = '#';
477:
478: (*iptr)--; /* include ch */
479: while (**iptr != ch && **iptr != '\0') {
480: if (*optr >= out + outsize - 1)
481: break;
482: *(*optr)++ = *(*iptr)++;
483: }
484: }
485:
486: /* Replace special sequences in fmt. */
487: char *
1.72 nicm 488: status_replace(struct client *c, struct session *s, struct winlink *wl,
489: struct window_pane *wp, const char *fmt, time_t t, int jobsflag)
1.46 nicm 490: {
1.1 nicm 491: static char out[BUFSIZ];
1.46 nicm 492: char in[BUFSIZ], ch, *iptr, *optr;
1.47 nicm 493:
1.1 nicm 494: strftime(in, sizeof in, fmt, localtime(&t));
495: in[(sizeof in) - 1] = '\0';
496:
497: iptr = in;
498: optr = out;
499:
500: while (*iptr != '\0') {
501: if (optr >= out + (sizeof out) - 1)
502: break;
1.46 nicm 503: ch = *iptr++;
504:
1.70 nicm 505: if (ch != '#' || *iptr == '\0') {
1.1 nicm 506: *optr++ = ch;
1.46 nicm 507: continue;
1.1 nicm 508: }
1.72 nicm 509: status_replace1(
510: c, s, wl, wp, &iptr, &optr, out, sizeof out, jobsflag);
1.1 nicm 511: }
512: *optr = '\0';
513:
514: return (xstrdup(out));
515: }
516:
1.46 nicm 517: /* Figure out job name and get its result, starting it off if necessary. */
1.1 nicm 518: char *
1.71 nicm 519: status_find_job(struct client *c, char **iptr)
1.1 nicm 520: {
1.71 nicm 521: struct status_out *so, so_find;
522: char *cmd;
523: int lastesc;
524: size_t len;
1.1 nicm 525:
526: if (**iptr == '\0')
527: return (NULL);
528: if (**iptr == ')') { /* no command given */
529: (*iptr)++;
530: return (NULL);
531: }
532:
533: cmd = xmalloc(strlen(*iptr) + 1);
534: len = 0;
535:
536: lastesc = 0;
537: for (; **iptr != '\0'; (*iptr)++) {
538: if (!lastesc && **iptr == ')')
539: break; /* unescaped ) is the end */
540: if (!lastesc && **iptr == '\\') {
541: lastesc = 1;
542: continue; /* skip \ if not escaped */
543: }
544: lastesc = 0;
545: cmd[len++] = **iptr;
546: }
1.38 nicm 547: if (**iptr == '\0') /* no terminating ) */ {
548: xfree(cmd);
549: return (NULL);
550: }
1.1 nicm 551: (*iptr)++; /* skip final ) */
552: cmd[len] = '\0';
553:
1.71 nicm 554: /* First try in the new tree. */
555: so_find.cmd = cmd;
556: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
1.78 nicm 557: if (so != NULL && so->out != NULL) {
558: xfree(cmd);
1.71 nicm 559: return (so->out);
1.78 nicm 560: }
1.71 nicm 561:
562: /* If not found at all, start the job and add to the tree. */
563: if (so == NULL) {
564: job_run(cmd, status_job_callback, status_job_free, c);
565: c->references++;
566:
567: so = xmalloc(sizeof *so);
568: so->cmd = xstrdup(cmd);
569: so->out = NULL;
570: RB_INSERT(status_out_tree, &c->status_new, so);
571: }
572:
573: /* Lookup in the old tree. */
574: so_find.cmd = cmd;
575: so = RB_FIND(status_out_tree, &c->status_old, &so_find);
576: xfree(cmd);
577: if (so != NULL)
578: return (so->out);
579: return (NULL);
580: }
581:
582: /* Free job tree. */
583: void
584: status_free_jobs(struct status_out_tree *sotree)
585: {
586: struct status_out *so, *so_next;
587:
588: so_next = RB_MIN(status_out_tree, sotree);
589: while (so_next != NULL) {
590: so = so_next;
591: so_next = RB_NEXT(status_out_tree, sotree, so);
592:
593: RB_REMOVE(status_out_tree, sotree, so);
594: if (so->out != NULL)
595: xfree(so->out);
596: xfree(so->cmd);
597: xfree(so);
1.38 nicm 598: }
1.71 nicm 599: }
600:
601: /* Update jobs on status interval. */
602: void
603: status_update_jobs(struct client *c)
604: {
605: /* Free the old tree. */
606: status_free_jobs(&c->status_old);
607:
608: /* Move the new to old. */
609: memcpy(&c->status_old, &c->status_new, sizeof c->status_old);
610: RB_INIT(&c->status_new);
611: }
612:
613: /* Free status job. */
614: void
615: status_job_free(void *data)
616: {
617: struct client *c = data;
618:
619: c->references--;
1.38 nicm 620: }
1.1 nicm 621:
1.46 nicm 622: /* Job has finished: save its result. */
1.38 nicm 623: void
624: status_job_callback(struct job *job)
625: {
1.71 nicm 626: struct client *c = job->data;
627: struct status_out *so, so_find;
628: char *line, *buf;
629: size_t len;
630:
631: if (c->flags & CLIENT_DEAD)
632: return;
633:
634: so_find.cmd = job->cmd;
635: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
636: if (so == NULL || so->out != NULL)
637: return;
1.38 nicm 638:
1.41 nicm 639: buf = NULL;
640: if ((line = evbuffer_readline(job->event->input)) == NULL) {
641: len = EVBUFFER_LENGTH(job->event->input);
642: buf = xmalloc(len + 1);
643: if (len != 0)
644: memcpy(buf, EVBUFFER_DATA(job->event->input), len);
645: buf[len] = '\0';
1.71 nicm 646: } else
647: buf = xstrdup(line);
1.1 nicm 648:
1.71 nicm 649: so->out = buf;
1.75 nicm 650: server_status_client(c);
1.1 nicm 651: }
652:
1.46 nicm 653: /* Return winlink status line entry and adjust gc as necessary. */
1.1 nicm 654: char *
1.47 nicm 655: status_print(
656: struct client *c, struct winlink *wl, time_t t, struct grid_cell *gc)
1.1 nicm 657: {
1.33 nicm 658: struct options *oo = &wl->window->options;
1.47 nicm 659: struct session *s = c->session;
660: const char *fmt;
661: char *text;
1.33 nicm 662: u_char fg, bg, attr;
1.1 nicm 663:
1.33 nicm 664: fg = options_get_number(oo, "window-status-fg");
1.1 nicm 665: if (fg != 8)
1.33 nicm 666: colour_set_fg(gc, fg);
667: bg = options_get_number(oo, "window-status-bg");
1.1 nicm 668: if (bg != 8)
1.33 nicm 669: colour_set_bg(gc, bg);
670: attr = options_get_number(oo, "window-status-attr");
1.1 nicm 671: if (attr != 0)
672: gc->attr = attr;
1.47 nicm 673: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 674: if (wl == s->curw) {
1.33 nicm 675: fg = options_get_number(oo, "window-status-current-fg");
1.14 nicm 676: if (fg != 8)
1.33 nicm 677: colour_set_fg(gc, fg);
678: bg = options_get_number(oo, "window-status-current-bg");
1.14 nicm 679: if (bg != 8)
1.33 nicm 680: colour_set_bg(gc, bg);
681: attr = options_get_number(oo, "window-status-current-attr");
1.14 nicm 682: if (attr != 0)
683: gc->attr = attr;
1.47 nicm 684: fmt = options_get_string(oo, "window-status-current-format");
1.14 nicm 685: }
1.1 nicm 686:
1.84 ! nicm 687: if (wl->flags & WINLINK_BELL) {
! 688: fg = options_get_number(oo, "window-status-bell-fg");
1.62 nicm 689: if (fg != 8)
690: colour_set_fg(gc, fg);
1.84 ! nicm 691: bg = options_get_number(oo, "window-status-bell-bg");
1.62 nicm 692: if (bg != 8)
693: colour_set_bg(gc, bg);
1.84 ! nicm 694: attr = options_get_number(oo, "window-status-bell-attr");
! 695: if (attr != 0)
! 696: gc->attr = attr;
! 697: } else if (wl->flags & WINLINK_CONTENT) {
! 698: fg = options_get_number(oo, "window-status-content-fg");
! 699: if (fg != 8)
! 700: colour_set_fg(gc, fg);
! 701: bg = options_get_number(oo, "window-status-content-bg");
! 702: if (bg != 8)
! 703: colour_set_bg(gc, bg);
! 704: attr = options_get_number(oo, "window-status-content-attr");
! 705: if (attr != 0)
! 706: gc->attr = attr;
! 707: } else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE)) {
! 708: fg = options_get_number(oo, "window-status-activity-fg");
! 709: if (fg != 8)
! 710: colour_set_fg(gc, fg);
! 711: bg = options_get_number(oo, "window-status-activity-bg");
! 712: if (bg != 8)
! 713: colour_set_bg(gc, bg);
! 714: attr = options_get_number(oo, "window-status-activity-attr");
1.62 nicm 715: if (attr != 0)
716: gc->attr = attr;
717: }
1.1 nicm 718:
1.72 nicm 719: text = status_replace(c, NULL, wl, NULL, fmt, t, 1);
1.1 nicm 720: return (text);
721: }
722:
1.46 nicm 723: /* Set a status line message. */
1.10 nicm 724: void printflike2
725: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 726: {
1.44 nicm 727: struct timeval tv;
728: struct session *s = c->session;
729: struct message_entry *msg;
730: va_list ap;
731: int delay;
732: u_int i, limit;
1.1 nicm 733:
1.12 nicm 734: status_prompt_clear(c);
735: status_message_clear(c);
736:
1.28 nicm 737: va_start(ap, fmt);
738: xvasprintf(&c->message_string, fmt, ap);
739: va_end(ap);
740:
1.44 nicm 741: ARRAY_EXPAND(&c->message_log, 1);
742: msg = &ARRAY_LAST(&c->message_log);
743: msg->msg_time = time(NULL);
744: msg->msg = xstrdup(c->message_string);
745:
746: if (s == NULL)
747: limit = 0;
748: else
749: limit = options_get_number(&s->options, "message-limit");
1.50 nicm 750: if (ARRAY_LENGTH(&c->message_log) > limit) {
751: limit = ARRAY_LENGTH(&c->message_log) - limit;
752: for (i = 0; i < limit; i++) {
753: msg = &ARRAY_FIRST(&c->message_log);
754: xfree(msg->msg);
755: ARRAY_REMOVE(&c->message_log, 0);
756: }
1.44 nicm 757: }
758:
1.1 nicm 759: delay = options_get_number(&c->session->options, "display-time");
760: tv.tv_sec = delay / 1000;
761: tv.tv_usec = (delay % 1000) * 1000L;
1.44 nicm 762:
1.42 nicm 763: evtimer_del(&c->message_timer);
764: evtimer_set(&c->message_timer, status_message_callback, c);
765: evtimer_add(&c->message_timer, &tv);
1.1 nicm 766:
767: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
768: c->flags |= CLIENT_STATUS;
769: }
770:
1.46 nicm 771: /* Clear status line message. */
1.1 nicm 772: void
773: status_message_clear(struct client *c)
774: {
775: if (c->message_string == NULL)
776: return;
777:
778: xfree(c->message_string);
779: c->message_string = NULL;
780:
781: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 782: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 783:
784: screen_reinit(&c->status);
1.42 nicm 785: }
786:
1.46 nicm 787: /* Clear status line message after timer expires. */
1.52 nicm 788: /* ARGSUSED */
1.42 nicm 789: void
790: status_message_callback(unused int fd, unused short event, void *data)
791: {
792: struct client *c = data;
793:
794: status_message_clear(c);
1.1 nicm 795: }
796:
797: /* Draw client message on status line of present else on last line. */
798: int
799: status_message_redraw(struct client *c)
800: {
801: struct screen_write_ctx ctx;
802: struct session *s = c->session;
803: struct screen old_status;
804: size_t len;
805: struct grid_cell gc;
1.51 nicm 806: int utf8flag;
1.1 nicm 807:
808: if (c->tty.sx == 0 || c->tty.sy == 0)
809: return (0);
810: memcpy(&old_status, &c->status, sizeof old_status);
811: screen_init(&c->status, c->tty.sx, 1, 0);
812:
1.51 nicm 813: utf8flag = options_get_number(&s->options, "status-utf8");
814:
815: len = screen_write_strlen(utf8flag, "%s", c->message_string);
1.1 nicm 816: if (len > c->tty.sx)
817: len = c->tty.sx;
818:
819: memcpy(&gc, &grid_default_cell, sizeof gc);
1.33 nicm 820: colour_set_fg(&gc, options_get_number(&s->options, "message-fg"));
821: colour_set_bg(&gc, options_get_number(&s->options, "message-bg"));
1.1 nicm 822: gc.attr |= options_get_number(&s->options, "message-attr");
823:
824: screen_write_start(&ctx, NULL, &c->status);
825:
826: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 827: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->message_string);
1.1 nicm 828: for (; len < c->tty.sx; len++)
829: screen_write_putc(&ctx, &gc, ' ');
830:
831: screen_write_stop(&ctx);
832:
833: if (grid_compare(c->status.grid, old_status.grid) == 0) {
834: screen_free(&old_status);
835: return (0);
836: }
837: screen_free(&old_status);
838: return (1);
839: }
840:
1.46 nicm 841: /* Enable status line prompt. */
1.1 nicm 842: void
1.76 nicm 843: status_prompt_set(struct client *c, const char *msg, const char *input,
1.12 nicm 844: int (*callbackfn)(void *, const char *), void (*freefn)(void *),
845: void *data, int flags)
1.1 nicm 846: {
1.20 nicm 847: int keys;
848:
1.12 nicm 849: status_message_clear(c);
850: status_prompt_clear(c);
851:
1.77 nicm 852: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
853: time(NULL), 0);
1.1 nicm 854:
1.77 nicm 855: if (input == NULL)
856: input = "";
857: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
858: time(NULL), 0);
1.76 nicm 859: c->prompt_index = strlen(c->prompt_buffer);
1.1 nicm 860:
1.12 nicm 861: c->prompt_callbackfn = callbackfn;
862: c->prompt_freefn = freefn;
1.1 nicm 863: c->prompt_data = data;
864:
865: c->prompt_hindex = 0;
866:
867: c->prompt_flags = flags;
868:
1.20 nicm 869: keys = options_get_number(&c->session->options, "status-keys");
870: if (keys == MODEKEY_EMACS)
1.21 nicm 871: mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
1.20 nicm 872: else
1.21 nicm 873: mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
1.1 nicm 874:
875: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
876: c->flags |= CLIENT_STATUS;
877: }
878:
1.46 nicm 879: /* Remove status line prompt. */
1.1 nicm 880: void
881: status_prompt_clear(struct client *c)
882: {
1.55 nicm 883: if (c->prompt_string == NULL)
1.1 nicm 884: return;
885:
1.12 nicm 886: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
887: c->prompt_freefn(c->prompt_data);
1.1 nicm 888:
889: xfree(c->prompt_string);
890: c->prompt_string = NULL;
891:
892: xfree(c->prompt_buffer);
893: c->prompt_buffer = NULL;
894:
895: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 896: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 897:
898: screen_reinit(&c->status);
1.27 nicm 899: }
900:
1.46 nicm 901: /* Update status line prompt with a new prompt string. */
1.27 nicm 902: void
1.76 nicm 903: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 904: {
905: xfree(c->prompt_string);
1.77 nicm 906: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
907: time(NULL), 0);
1.27 nicm 908:
1.76 nicm 909: xfree(c->prompt_buffer);
1.77 nicm 910: if (input == NULL)
911: input = "";
912: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
913: time(NULL), 0);
1.76 nicm 914: c->prompt_index = strlen(c->prompt_buffer);
1.27 nicm 915:
916: c->prompt_hindex = 0;
917:
918: c->flags |= CLIENT_STATUS;
1.1 nicm 919: }
920:
921: /* Draw client prompt on status line of present else on last line. */
922: int
923: status_prompt_redraw(struct client *c)
924: {
1.51 nicm 925: struct screen_write_ctx ctx;
1.1 nicm 926: struct session *s = c->session;
927: struct screen old_status;
1.29 nicm 928: size_t i, size, left, len, off;
1.51 nicm 929: struct grid_cell gc, *gcp;
930: int utf8flag;
1.1 nicm 931:
932: if (c->tty.sx == 0 || c->tty.sy == 0)
933: return (0);
934: memcpy(&old_status, &c->status, sizeof old_status);
935: screen_init(&c->status, c->tty.sx, 1, 0);
936:
1.51 nicm 937: utf8flag = options_get_number(&s->options, "status-utf8");
938:
939: len = screen_write_strlen(utf8flag, "%s", c->prompt_string);
1.1 nicm 940: if (len > c->tty.sx)
941: len = c->tty.sx;
1.51 nicm 942: off = 0;
1.1 nicm 943:
944: memcpy(&gc, &grid_default_cell, sizeof gc);
1.79 nicm 945: /* Change colours for command mode. */
946: if (c->prompt_mdata.mode == 1) {
947: colour_set_fg(&gc, options_get_number(&s->options, "message-command-fg"));
948: colour_set_bg(&gc, options_get_number(&s->options, "message-command-bg"));
949: gc.attr |= options_get_number(&s->options, "message-command-attr");
950: } else {
951: colour_set_fg(&gc, options_get_number(&s->options, "message-fg"));
952: colour_set_bg(&gc, options_get_number(&s->options, "message-bg"));
953: gc.attr |= options_get_number(&s->options, "message-attr");
954: }
1.1 nicm 955:
956: screen_write_start(&ctx, NULL, &c->status);
957:
958: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 959: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->prompt_string);
1.1 nicm 960:
961: left = c->tty.sx - len;
962: if (left != 0) {
1.51 nicm 963: size = screen_write_strlen(utf8flag, "%s", c->prompt_buffer);
964: if (c->prompt_index >= left) {
1.17 nicm 965: off = c->prompt_index - left + 1;
1.51 nicm 966: if (c->prompt_index == size)
1.1 nicm 967: left--;
968: size = left;
969: }
1.51 nicm 970: screen_write_nputs(
971: &ctx, left, &gc, utf8flag, "%s", c->prompt_buffer + off);
1.1 nicm 972:
1.55 nicm 973: for (i = len + size; i < c->tty.sx; i++)
974: screen_write_putc(&ctx, &gc, ' ');
1.1 nicm 975: }
976:
977: screen_write_stop(&ctx);
1.51 nicm 978:
979: /* Apply fake cursor. */
980: off = len + c->prompt_index - off;
981: gcp = grid_view_get_cell(c->status.grid, off, 0);
982: gcp->attr ^= GRID_ATTR_REVERSE;
1.1 nicm 983:
984: if (grid_compare(c->status.grid, old_status.grid) == 0) {
985: screen_free(&old_status);
986: return (0);
987: }
988: screen_free(&old_status);
989: return (1);
990: }
991:
992: /* Handle keys in prompt. */
993: void
994: status_prompt_key(struct client *c, int key)
995: {
1.81 nicm 996: struct session *sess = c->session;
997: struct options *oo = &sess->options;
1.1 nicm 998: struct paste_buffer *pb;
1.81 nicm 999: char *s, *first, *last, word[64], swapc;
1000: const char *histstr;
1.83 nicm 1001: const char *wsep = NULL;
1.53 nicm 1002: u_char ch;
1.1 nicm 1003: size_t size, n, off, idx;
1004:
1005: size = strlen(c->prompt_buffer);
1006: switch (mode_key_lookup(&c->prompt_mdata, key)) {
1.20 nicm 1007: case MODEKEYEDIT_CURSORLEFT:
1.1 nicm 1008: if (c->prompt_index > 0) {
1009: c->prompt_index--;
1010: c->flags |= CLIENT_STATUS;
1011: }
1012: break;
1.79 nicm 1013: case MODEKEYEDIT_SWITCHMODE:
1014: c->flags |= CLIENT_STATUS;
1015: break;
1.20 nicm 1016: case MODEKEYEDIT_SWITCHMODEAPPEND:
1.79 nicm 1017: c->flags |= CLIENT_STATUS;
1018: /* FALLTHROUGH */
1.20 nicm 1019: case MODEKEYEDIT_CURSORRIGHT:
1.1 nicm 1020: if (c->prompt_index < size) {
1021: c->prompt_index++;
1022: c->flags |= CLIENT_STATUS;
1023: }
1024: break;
1.20 nicm 1025: case MODEKEYEDIT_STARTOFLINE:
1.1 nicm 1026: if (c->prompt_index != 0) {
1027: c->prompt_index = 0;
1028: c->flags |= CLIENT_STATUS;
1029: }
1030: break;
1.20 nicm 1031: case MODEKEYEDIT_ENDOFLINE:
1.1 nicm 1032: if (c->prompt_index != size) {
1033: c->prompt_index = size;
1034: c->flags |= CLIENT_STATUS;
1035: }
1036: break;
1.20 nicm 1037: case MODEKEYEDIT_COMPLETE:
1.1 nicm 1038: if (*c->prompt_buffer == '\0')
1039: break;
1040:
1041: idx = c->prompt_index;
1042: if (idx != 0)
1043: idx--;
1044:
1045: /* Find the word we are in. */
1046: first = c->prompt_buffer + idx;
1047: while (first > c->prompt_buffer && *first != ' ')
1048: first--;
1049: while (*first == ' ')
1050: first++;
1051: last = c->prompt_buffer + idx;
1052: while (*last != '\0' && *last != ' ')
1053: last++;
1054: while (*last == ' ')
1055: last--;
1056: if (*last != '\0')
1057: last++;
1058: if (last <= first ||
1059: ((size_t) (last - first)) > (sizeof word) - 1)
1060: break;
1061: memcpy(word, first, last - first);
1062: word[last - first] = '\0';
1063:
1064: /* And try to complete it. */
1065: if ((s = status_prompt_complete(word)) == NULL)
1066: break;
1067:
1068: /* Trim out word. */
1069: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1070: memmove(first, last, n);
1071: size -= last - first;
1072:
1073: /* Insert the new word. */
1.55 nicm 1074: size += strlen(s);
1.1 nicm 1075: off = first - c->prompt_buffer;
1.55 nicm 1076: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 1);
1.1 nicm 1077: first = c->prompt_buffer + off;
1.55 nicm 1078: memmove(first + strlen(s), first, n);
1079: memcpy(first, s, strlen(s));
1.1 nicm 1080:
1081: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.22 nicm 1082: xfree(s);
1.1 nicm 1083:
1084: c->flags |= CLIENT_STATUS;
1085: break;
1.20 nicm 1086: case MODEKEYEDIT_BACKSPACE:
1.1 nicm 1087: if (c->prompt_index != 0) {
1088: if (c->prompt_index == size)
1089: c->prompt_buffer[--c->prompt_index] = '\0';
1090: else {
1091: memmove(c->prompt_buffer + c->prompt_index - 1,
1092: c->prompt_buffer + c->prompt_index,
1093: size + 1 - c->prompt_index);
1094: c->prompt_index--;
1095: }
1096: c->flags |= CLIENT_STATUS;
1097: }
1098: break;
1.55 nicm 1099: case MODEKEYEDIT_DELETE:
1.1 nicm 1100: if (c->prompt_index != size) {
1101: memmove(c->prompt_buffer + c->prompt_index,
1102: c->prompt_buffer + c->prompt_index + 1,
1103: size + 1 - c->prompt_index);
1.18 nicm 1104: c->flags |= CLIENT_STATUS;
1105: }
1.26 nicm 1106: break;
1107: case MODEKEYEDIT_DELETELINE:
1108: *c->prompt_buffer = '\0';
1109: c->prompt_index = 0;
1110: c->flags |= CLIENT_STATUS;
1.18 nicm 1111: break;
1.20 nicm 1112: case MODEKEYEDIT_DELETETOENDOFLINE:
1.18 nicm 1113: if (c->prompt_index < size) {
1114: c->prompt_buffer[c->prompt_index] = '\0';
1.1 nicm 1115: c->flags |= CLIENT_STATUS;
1116: }
1117: break;
1.81 nicm 1118: case MODEKEYEDIT_DELETEWORD:
1119: wsep = options_get_string(oo, "word-separators");
1120: idx = c->prompt_index;
1121:
1122: /* Find a non-separator. */
1123: while (idx != 0) {
1124: idx--;
1125: if (!strchr(wsep, c->prompt_buffer[idx]))
1126: break;
1127: }
1128:
1129: /* Find the separator at the beginning of the word. */
1130: while (idx != 0) {
1131: idx--;
1132: if (strchr(wsep, c->prompt_buffer[idx])) {
1133: /* Go back to the word. */
1134: idx++;
1135: break;
1136: }
1137: }
1138:
1139: memmove(c->prompt_buffer + idx,
1140: c->prompt_buffer + c->prompt_index,
1141: size + 1 - c->prompt_index);
1142: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1143: '\0', c->prompt_index - idx);
1144: c->prompt_index = idx;
1145: c->flags |= CLIENT_STATUS;
1146: break;
1.83 nicm 1147: case MODEKEYEDIT_NEXTSPACE:
1148: wsep = " ";
1149: /* FALLTHROUGH */
1.81 nicm 1150: case MODEKEYEDIT_NEXTWORD:
1.83 nicm 1151: if (wsep == NULL)
1152: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1153:
1154: /* Find a separator. */
1155: while (c->prompt_index != size) {
1156: c->prompt_index++;
1157: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1158: break;
1159: }
1160:
1161: /* Find the word right after the separation. */
1162: while (c->prompt_index != size) {
1163: c->prompt_index++;
1164: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1165: break;
1166: }
1167:
1168: c->flags |= CLIENT_STATUS;
1169: break;
1.83 nicm 1170: case MODEKEYEDIT_NEXTSPACEEND:
1171: wsep = " ";
1172: /* FALLTHROUGH */
1.81 nicm 1173: case MODEKEYEDIT_NEXTWORDEND:
1.83 nicm 1174: if (wsep == NULL)
1175: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1176:
1177: /* Find a word. */
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: /* Find the separator at the end of the word. */
1185: while (c->prompt_index != size) {
1186: c->prompt_index++;
1.82 nicm 1187: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1.81 nicm 1188: break;
1189: }
1190:
1191: c->flags |= CLIENT_STATUS;
1192: break;
1.83 nicm 1193: case MODEKEYEDIT_PREVIOUSSPACE:
1194: wsep = " ";
1195: /* FALLTHROUGH */
1.81 nicm 1196: case MODEKEYEDIT_PREVIOUSWORD:
1.83 nicm 1197: if (wsep == NULL)
1198: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1199:
1200: /* Find a non-separator. */
1201: while (c->prompt_index != 0) {
1202: c->prompt_index--;
1203: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1204: break;
1205: }
1206:
1207: /* Find the separator at the beginning of the word. */
1208: while (c->prompt_index != 0) {
1209: c->prompt_index--;
1210: if (strchr(wsep, c->prompt_buffer[c->prompt_index])) {
1211: /* Go back to the word. */
1212: c->prompt_index++;
1213: break;
1214: }
1215: }
1216:
1217: c->flags |= CLIENT_STATUS;
1218: break;
1.20 nicm 1219: case MODEKEYEDIT_HISTORYUP:
1.66 nicm 1220: histstr = status_prompt_up_history(&c->prompt_hindex);
1221: if (histstr == NULL)
1.1 nicm 1222: break;
1.81 nicm 1223: xfree(c->prompt_buffer);
1.66 nicm 1224: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1225: c->prompt_index = strlen(c->prompt_buffer);
1226: c->flags |= CLIENT_STATUS;
1227: break;
1.20 nicm 1228: case MODEKEYEDIT_HISTORYDOWN:
1.66 nicm 1229: histstr = status_prompt_down_history(&c->prompt_hindex);
1230: if (histstr == NULL)
1.65 nicm 1231: break;
1.1 nicm 1232: xfree(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_PASTE:
1.68 nicm 1238: if ((pb = paste_get_top(&global_buffers)) == NULL)
1.1 nicm 1239: break;
1.32 nicm 1240: for (n = 0; n < pb->size; n++) {
1.53 nicm 1241: ch = (u_char) pb->data[n];
1242: if (ch < 32 || ch == 127)
1.32 nicm 1243: break;
1244: }
1.1 nicm 1245:
1246: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + n + 1);
1247: if (c->prompt_index == size) {
1248: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1249: c->prompt_index += n;
1250: c->prompt_buffer[c->prompt_index] = '\0';
1251: } else {
1252: memmove(c->prompt_buffer + c->prompt_index + n,
1253: c->prompt_buffer + c->prompt_index,
1254: size + 1 - c->prompt_index);
1255: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1256: c->prompt_index += n;
1257: }
1258:
1259: c->flags |= CLIENT_STATUS;
1.30 nicm 1260: break;
1261: case MODEKEYEDIT_TRANSPOSECHARS:
1262: idx = c->prompt_index;
1263: if (idx < size)
1264: idx++;
1265: if (idx >= 2) {
1266: swapc = c->prompt_buffer[idx - 2];
1267: c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
1268: c->prompt_buffer[idx - 1] = swapc;
1269: c->prompt_index = idx;
1270: c->flags |= CLIENT_STATUS;
1271: }
1.1 nicm 1272: break;
1.55 nicm 1273: case MODEKEYEDIT_ENTER:
1.25 nicm 1274: if (*c->prompt_buffer != '\0')
1.65 nicm 1275: status_prompt_add_history(c->prompt_buffer);
1.25 nicm 1276: if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
1277: status_prompt_clear(c);
1278: break;
1.20 nicm 1279: case MODEKEYEDIT_CANCEL:
1.12 nicm 1280: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1281: status_prompt_clear(c);
1282: break;
1.20 nicm 1283: case MODEKEY_OTHER:
1.61 nicm 1284: if ((key & 0xff00) != 0 || key < 32 || key == 127)
1.1 nicm 1285: break;
1286: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 2);
1287:
1288: if (c->prompt_index == size) {
1289: c->prompt_buffer[c->prompt_index++] = key;
1290: c->prompt_buffer[c->prompt_index] = '\0';
1291: } else {
1292: memmove(c->prompt_buffer + c->prompt_index + 1,
1293: c->prompt_buffer + c->prompt_index,
1294: size + 1 - c->prompt_index);
1295: c->prompt_buffer[c->prompt_index++] = key;
1296: }
1297:
1298: if (c->prompt_flags & PROMPT_SINGLE) {
1.12 nicm 1299: if (c->prompt_callbackfn(
1.1 nicm 1300: c->prompt_data, c->prompt_buffer) == 0)
1301: status_prompt_clear(c);
1302: }
1303:
1304: c->flags |= CLIENT_STATUS;
1305: break;
1306: default:
1307: break;
1308: }
1309: }
1310:
1.65 nicm 1311: /* Get previous line from the history. */
1312: const char *
1313: status_prompt_up_history(u_int *idx)
1314: {
1315: u_int size;
1316:
1317: /*
1318: * History runs from 0 to size - 1.
1319: *
1320: * Index is from 0 to size. Zero is empty.
1321: */
1322:
1323: size = ARRAY_LENGTH(&status_prompt_history);
1324: if (size == 0 || *idx == size)
1325: return (NULL);
1326: (*idx)++;
1327: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1328: }
1329:
1330: /* Get next line from the history. */
1331: const char *
1332: status_prompt_down_history(u_int *idx)
1333: {
1334: u_int size;
1335:
1336: size = ARRAY_LENGTH(&status_prompt_history);
1337: if (size == 0 || *idx == 0)
1338: return ("");
1339: (*idx)--;
1340: if (*idx == 0)
1341: return ("");
1342: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1343: }
1344:
1.1 nicm 1345: /* Add line to the history. */
1346: void
1.65 nicm 1347: status_prompt_add_history(const char *line)
1.1 nicm 1348: {
1.65 nicm 1349: u_int size;
1350:
1351: size = ARRAY_LENGTH(&status_prompt_history);
1352: if (size > 0 && strcmp(ARRAY_LAST(&status_prompt_history), line) == 0)
1.1 nicm 1353: return;
1354:
1.65 nicm 1355: if (size == PROMPT_HISTORY) {
1356: xfree(ARRAY_FIRST(&status_prompt_history));
1357: ARRAY_REMOVE(&status_prompt_history, 0);
1.1 nicm 1358: }
1359:
1.65 nicm 1360: ARRAY_ADD(&status_prompt_history, xstrdup(line));
1.1 nicm 1361: }
1362:
1363: /* Complete word. */
1364: char *
1365: status_prompt_complete(const char *s)
1366: {
1.69 nicm 1367: const struct cmd_entry **cmdent;
1368: const struct options_table_entry *oe;
1369: ARRAY_DECL(, const char *) list;
1370: char *prefix, *s2;
1371: u_int i;
1372: size_t j;
1.1 nicm 1373:
1374: if (*s == '\0')
1375: return (NULL);
1376:
1377: /* First, build a list of all the possible matches. */
1378: ARRAY_INIT(&list);
1379: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1380: if (strncmp((*cmdent)->name, s, strlen(s)) == 0)
1381: ARRAY_ADD(&list, (*cmdent)->name);
1.56 nicm 1382: }
1.69 nicm 1383: for (oe = server_options_table; oe->name != NULL; oe++) {
1384: if (strncmp(oe->name, s, strlen(s)) == 0)
1385: ARRAY_ADD(&list, oe->name);
1386: }
1387: for (oe = session_options_table; oe->name != NULL; oe++) {
1388: if (strncmp(oe->name, s, strlen(s)) == 0)
1389: ARRAY_ADD(&list, oe->name);
1390: }
1391: for (oe = window_options_table; oe->name != NULL; oe++) {
1392: if (strncmp(oe->name, s, strlen(s)) == 0)
1393: ARRAY_ADD(&list, oe->name);
1.1 nicm 1394: }
1395:
1396: /* If none, bail now. */
1397: if (ARRAY_LENGTH(&list) == 0) {
1398: ARRAY_FREE(&list);
1399: return (NULL);
1400: }
1401:
1402: /* If an exact match, return it, with a trailing space. */
1403: if (ARRAY_LENGTH(&list) == 1) {
1404: xasprintf(&s2, "%s ", ARRAY_FIRST(&list));
1405: ARRAY_FREE(&list);
1406: return (s2);
1407: }
1408:
1409: /* Now loop through the list and find the longest common prefix. */
1410: prefix = xstrdup(ARRAY_FIRST(&list));
1411: for (i = 1; i < ARRAY_LENGTH(&list); i++) {
1412: s = ARRAY_ITEM(&list, i);
1413:
1414: j = strlen(s);
1415: if (j > strlen(prefix))
1416: j = strlen(prefix);
1417: for (; j > 0; j--) {
1418: if (prefix[j - 1] != s[j - 1])
1419: prefix[j - 1] = '\0';
1420: }
1421: }
1422:
1423: ARRAY_FREE(&list);
1424: return (prefix);
1425: }