Annotation of src/usr.bin/tmux/status.c, Revision 1.92
1.92 ! nicm 1: /* $OpenBSD: status.c,v 1.91 2012/04/23 22:23:14 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;
1.92 ! nicm 84: int fg, bg, attr;
1.48 nicm 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;
1.92 ! nicm 114: int fg, bg, attr;
1.48 nicm 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:
1.88 nicm 144: x += c->wlmouse;
1.73 nicm 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;
1.91 nicm 163: struct options *oo;
1.48 nicm 164: time_t t;
1.91 nicm 165: char *left, *right, *sep;
1.48 nicm 166: u_int offset, needed;
167: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
1.91 nicm 168: size_t llen, rlen, seplen;
1.48 nicm 169: int larrow, rarrow, utf8flag;
1.1 nicm 170:
1.49 nicm 171: /* No status line? */
1.7 nicm 172: if (c->tty.sy == 0 || !options_get_number(&s->options, "status"))
173: return (1);
1.48 nicm 174: left = right = NULL;
1.7 nicm 175: larrow = rarrow = 0;
1.1 nicm 176:
1.48 nicm 177: /* Update status timer. */
1.1 nicm 178: if (gettimeofday(&c->status_timer, NULL) != 0)
1.34 nicm 179: fatal("gettimeofday failed");
1.48 nicm 180: t = c->status_timer.tv_sec;
181:
182: /* Set up default colour. */
1.1 nicm 183: memcpy(&stdgc, &grid_default_cell, sizeof gc);
1.33 nicm 184: colour_set_fg(&stdgc, options_get_number(&s->options, "status-fg"));
185: colour_set_bg(&stdgc, options_get_number(&s->options, "status-bg"));
1.1 nicm 186: stdgc.attr |= options_get_number(&s->options, "status-attr");
187:
1.48 nicm 188: /* Create the target screen. */
189: memcpy(&old_status, &c->status, sizeof old_status);
190: screen_init(&c->status, c->tty.sx, 1, 0);
191: screen_write_start(&ctx, NULL, &c->status);
192: for (offset = 0; offset < c->tty.sx; offset++)
193: screen_write_putc(&ctx, &stdgc, ' ');
194: screen_write_stop(&ctx);
195:
196: /* If the height is one line, blank status line. */
197: if (c->tty.sy <= 1)
198: goto out;
1.1 nicm 199:
1.48 nicm 200: /* Get UTF-8 flag. */
1.3 nicm 201: utf8flag = options_get_number(&s->options, "status-utf8");
202:
1.48 nicm 203: /* Work out left and right strings. */
204: memcpy(&lgc, &stdgc, sizeof lgc);
205: left = status_redraw_get_left(c, t, utf8flag, &lgc, &llen);
206: memcpy(&rgc, &stdgc, sizeof rgc);
207: right = status_redraw_get_right(c, t, utf8flag, &rgc, &rlen);
1.1 nicm 208:
209: /*
1.48 nicm 210: * Figure out how much space we have for the window list. If there
211: * isn't enough space, just show a blank status line.
1.1 nicm 212: */
1.55 nicm 213: needed = 0;
1.1 nicm 214: if (llen != 0)
1.48 nicm 215: needed += llen + 1;
1.1 nicm 216: if (rlen != 0)
1.48 nicm 217: needed += rlen + 1;
218: if (c->tty.sx == 0 || c->tty.sx <= needed)
219: goto out;
220: wlavailable = c->tty.sx - needed;
1.1 nicm 221:
1.48 nicm 222: /* Calculate the total size needed for the window list. */
223: wlstart = wloffset = wlwidth = 0;
1.1 nicm 224: RB_FOREACH(wl, winlinks, &s->windows) {
1.48 nicm 225: if (wl->status_text != NULL)
226: xfree(wl->status_text);
227: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
228: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.55 nicm 229: wl->status_width =
1.48 nicm 230: screen_write_cstrlen(utf8flag, "%s", wl->status_text);
231:
1.1 nicm 232: if (wl == s->curw)
1.48 nicm 233: wloffset = wlwidth;
1.91 nicm 234:
235: oo = &wl->window->options;
236: sep = options_get_string(oo, "window-status-separator");
237: seplen = screen_write_strlen(utf8flag, "%s", sep);
238: wlwidth += wl->status_width + seplen;
1.48 nicm 239: }
240:
241: /* Create a new screen for the window list. */
242: screen_init(&window_list, wlwidth, 1, 0);
243:
244: /* And draw the window list into it. */
245: screen_write_start(&ctx, NULL, &window_list);
246: RB_FOREACH(wl, winlinks, &s->windows) {
1.55 nicm 247: screen_write_cnputs(&ctx,
1.48 nicm 248: -1, &wl->status_cell, utf8flag, "%s", wl->status_text);
1.91 nicm 249:
250: oo = &wl->window->options;
251: sep = options_get_string(oo, "window-status-separator");
252: screen_write_nputs(&ctx, -1, &stdgc, utf8flag, "%s", sep);
1.1 nicm 253: }
1.48 nicm 254: screen_write_stop(&ctx);
1.1 nicm 255:
1.48 nicm 256: /* If there is enough space for the total width, skip to draw now. */
257: if (wlwidth <= wlavailable)
1.1 nicm 258: goto draw;
259:
260: /* Find size of current window text. */
1.48 nicm 261: wlsize = s->curw->status_width;
1.1 nicm 262:
263: /*
1.48 nicm 264: * If the current window is already on screen, good to draw from the
1.1 nicm 265: * start and just leave off the end.
266: */
1.48 nicm 267: if (wloffset + wlsize < wlavailable) {
268: if (wlavailable > 0) {
269: rarrow = 1;
270: wlavailable--;
271: }
272: wlwidth = wlavailable;
273: } else {
274: /*
275: * Work out how many characters we need to omit from the
276: * start. There are wlavailable characters to fill, and
277: * wloffset + wlsize must be the last. So, the start character
278: * is wloffset + wlsize - wlavailable.
279: */
280: if (wlavailable > 0) {
281: larrow = 1;
282: wlavailable--;
283: }
1.55 nicm 284:
1.48 nicm 285: wlstart = wloffset + wlsize - wlavailable;
286: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 287: rarrow = 1;
1.48 nicm 288: wlstart++;
289: wlavailable--;
1.1 nicm 290: }
1.48 nicm 291: wlwidth = wlavailable;
292: }
1.1 nicm 293:
1.48 nicm 294: /* Bail if anything is now too small too. */
295: if (wlwidth == 0 || wlavailable == 0) {
296: screen_free(&window_list);
297: goto out;
1.1 nicm 298: }
299:
300: /*
1.48 nicm 301: * Now the start position is known, work out the state of the left and
302: * right arrows.
1.1 nicm 303: */
304: offset = 0;
305: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 306: if (wl->flags & WINLINK_ALERTFLAGS &&
307: larrow == 1 && offset < wlstart)
308: larrow = -1;
1.1 nicm 309:
1.48 nicm 310: offset += wl->status_width;
1.1 nicm 311:
1.63 nicm 312: if (wl->flags & WINLINK_ALERTFLAGS &&
313: rarrow == 1 && offset > wlstart + wlwidth)
314: rarrow = -1;
1.1 nicm 315: }
316:
1.48 nicm 317: draw:
1.55 nicm 318: /* Begin drawing. */
1.48 nicm 319: screen_write_start(&ctx, NULL, &c->status);
1.1 nicm 320:
1.48 nicm 321: /* Draw the left string and arrow. */
322: screen_write_cursormove(&ctx, 0, 0);
323: if (llen != 0) {
324: screen_write_cnputs(&ctx, llen, &lgc, utf8flag, "%s", left);
1.5 nicm 325: screen_write_putc(&ctx, &stdgc, ' ');
1.1 nicm 326: }
327: if (larrow != 0) {
328: memcpy(&gc, &stdgc, sizeof gc);
329: if (larrow == -1)
330: gc.attr ^= GRID_ATTR_REVERSE;
331: screen_write_putc(&ctx, &gc, '<');
332: }
1.48 nicm 333:
334: /* Draw the right string and arrow. */
1.1 nicm 335: if (rarrow != 0) {
1.48 nicm 336: screen_write_cursormove(&ctx, c->tty.sx - rlen - 2, 0);
1.1 nicm 337: memcpy(&gc, &stdgc, sizeof gc);
338: if (rarrow == -1)
339: gc.attr ^= GRID_ATTR_REVERSE;
340: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 341: } else
342: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
343: if (rlen != 0) {
344: screen_write_putc(&ctx, &stdgc, ' ');
345: screen_write_cnputs(&ctx, rlen, &rgc, utf8flag, "%s", right);
1.1 nicm 346: }
347:
1.48 nicm 348: /* Figure out the offset for the window list. */
1.58 nicm 349: if (llen != 0)
350: wloffset = llen + 1;
351: else
352: wloffset = 0;
1.48 nicm 353: if (wlwidth < wlavailable) {
354: switch (options_get_number(&s->options, "status-justify")) {
355: case 1: /* centered */
1.58 nicm 356: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 357: break;
358: case 2: /* right */
1.58 nicm 359: wloffset += (wlavailable - wlwidth);
1.48 nicm 360: break;
361: }
362: }
363: if (larrow != 0)
364: wloffset++;
365:
366: /* Copy the window list. */
1.88 nicm 367: c->wlmouse = -wloffset + wlstart;
1.48 nicm 368: screen_write_cursormove(&ctx, wloffset, 0);
369: screen_write_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 370: screen_free(&window_list);
1.1 nicm 371:
1.48 nicm 372: screen_write_stop(&ctx);
1.1 nicm 373:
374: out:
375: if (left != NULL)
376: xfree(left);
377: if (right != NULL)
378: xfree(right);
379:
380: if (grid_compare(c->status.grid, old_status.grid) == 0) {
381: screen_free(&old_status);
382: return (0);
383: }
384: screen_free(&old_status);
385: return (1);
386: }
387:
1.46 nicm 388: /* Replace a single special sequence (prefixed by #). */
389: void
1.72 nicm 390: status_replace1(struct client *c, struct session *s, struct winlink *wl,
391: struct window_pane *wp, char **iptr, char **optr, char *out,
392: size_t outsize, int jobsflag)
393: {
394: char ch, tmp[256], *ptr, *endptr, *freeptr;
395: size_t ptrlen;
396: long limit;
1.80 nicm 397: u_int idx;
1.46 nicm 398:
1.72 nicm 399: if (s == NULL)
400: s = c->session;
1.47 nicm 401: if (wl == NULL)
402: wl = s->curw;
1.72 nicm 403: if (wp == NULL)
404: wp = wl->window->active;
1.47 nicm 405:
1.46 nicm 406: errno = 0;
407: limit = strtol(*iptr, &endptr, 10);
408: if ((limit == 0 && errno != EINVAL) ||
409: (limit == LONG_MIN && errno != ERANGE) ||
1.55 nicm 410: (limit == LONG_MAX && errno != ERANGE) ||
1.46 nicm 411: limit != 0)
412: *iptr = endptr;
413: if (limit <= 0)
414: limit = LONG_MAX;
415:
416: freeptr = NULL;
417:
418: switch (*(*iptr)++) {
419: case '(':
420: if (!jobsflag) {
421: ch = ')';
422: goto skip_to;
423: }
1.71 nicm 424: if ((ptr = status_find_job(c, iptr)) == NULL)
1.46 nicm 425: return;
426: goto do_replace;
1.72 nicm 427: case 'D':
428: xsnprintf(tmp, sizeof tmp, "%%%u", wp->id);
429: ptr = tmp;
430: goto do_replace;
1.46 nicm 431: case 'H':
432: if (gethostname(tmp, sizeof tmp) != 0)
433: fatal("gethostname failed");
1.74 nicm 434: ptr = tmp;
435: goto do_replace;
436: case 'h':
437: if (gethostname(tmp, sizeof tmp) != 0)
438: fatal("gethostname failed");
439: if ((ptr = strchr(tmp, '.')) != NULL)
440: *ptr = '\0';
1.46 nicm 441: ptr = tmp;
442: goto do_replace;
443: case 'I':
444: xsnprintf(tmp, sizeof tmp, "%d", wl->idx);
445: ptr = tmp;
446: goto do_replace;
447: case 'P':
1.80 nicm 448: if (window_pane_index(wp, &idx) != 0)
449: fatalx("index not found");
1.72 nicm 450: xsnprintf(
1.80 nicm 451: tmp, sizeof tmp, "%u", idx);
1.46 nicm 452: ptr = tmp;
453: goto do_replace;
454: case 'S':
455: ptr = s->name;
456: goto do_replace;
457: case 'T':
1.72 nicm 458: ptr = wp->base.title;
1.46 nicm 459: goto do_replace;
460: case 'W':
461: ptr = wl->window->name;
462: goto do_replace;
1.47 nicm 463: case 'F':
1.67 nicm 464: ptr = window_printable_flags(s, wl);
465: freeptr = ptr;
1.47 nicm 466: goto do_replace;
1.46 nicm 467: case '[':
1.55 nicm 468: /*
1.46 nicm 469: * Embedded style, handled at display time. Leave present and
470: * skip input until ].
471: */
472: ch = ']';
473: goto skip_to;
474: case '#':
1.49 nicm 475: *(*optr)++ = '#';
1.46 nicm 476: break;
477: }
478:
479: return;
1.55 nicm 480:
1.46 nicm 481: do_replace:
482: ptrlen = strlen(ptr);
483: if ((size_t) limit < ptrlen)
484: ptrlen = limit;
485:
486: if (*optr + ptrlen >= out + outsize - 1)
1.85 nicm 487: goto out;
1.46 nicm 488: while (ptrlen > 0 && *ptr != '\0') {
489: *(*optr)++ = *ptr++;
490: ptrlen--;
491: }
492:
1.85 nicm 493: out:
1.46 nicm 494: if (freeptr != NULL)
495: xfree(freeptr);
496: return;
497:
498: skip_to:
499: *(*optr)++ = '#';
500:
501: (*iptr)--; /* include ch */
502: while (**iptr != ch && **iptr != '\0') {
503: if (*optr >= out + outsize - 1)
504: break;
505: *(*optr)++ = *(*iptr)++;
506: }
507: }
508:
509: /* Replace special sequences in fmt. */
510: char *
1.72 nicm 511: status_replace(struct client *c, struct session *s, struct winlink *wl,
512: struct window_pane *wp, const char *fmt, time_t t, int jobsflag)
1.46 nicm 513: {
1.1 nicm 514: static char out[BUFSIZ];
1.46 nicm 515: char in[BUFSIZ], ch, *iptr, *optr;
1.86 nicm 516: size_t len;
1.47 nicm 517:
1.86 nicm 518: len = strftime(in, sizeof in, fmt, localtime(&t));
519: in[len] = '\0';
1.1 nicm 520:
521: iptr = in;
522: optr = out;
523:
524: while (*iptr != '\0') {
525: if (optr >= out + (sizeof out) - 1)
526: break;
1.46 nicm 527: ch = *iptr++;
528:
1.70 nicm 529: if (ch != '#' || *iptr == '\0') {
1.1 nicm 530: *optr++ = ch;
1.46 nicm 531: continue;
1.1 nicm 532: }
1.72 nicm 533: status_replace1(
534: c, s, wl, wp, &iptr, &optr, out, sizeof out, jobsflag);
1.1 nicm 535: }
536: *optr = '\0';
537:
538: return (xstrdup(out));
539: }
540:
1.46 nicm 541: /* Figure out job name and get its result, starting it off if necessary. */
1.1 nicm 542: char *
1.71 nicm 543: status_find_job(struct client *c, char **iptr)
1.1 nicm 544: {
1.71 nicm 545: struct status_out *so, so_find;
546: char *cmd;
547: int lastesc;
548: size_t len;
1.1 nicm 549:
550: if (**iptr == '\0')
551: return (NULL);
552: if (**iptr == ')') { /* no command given */
553: (*iptr)++;
554: return (NULL);
555: }
556:
557: cmd = xmalloc(strlen(*iptr) + 1);
558: len = 0;
559:
560: lastesc = 0;
561: for (; **iptr != '\0'; (*iptr)++) {
562: if (!lastesc && **iptr == ')')
563: break; /* unescaped ) is the end */
564: if (!lastesc && **iptr == '\\') {
565: lastesc = 1;
566: continue; /* skip \ if not escaped */
567: }
568: lastesc = 0;
569: cmd[len++] = **iptr;
570: }
1.38 nicm 571: if (**iptr == '\0') /* no terminating ) */ {
572: xfree(cmd);
573: return (NULL);
574: }
1.1 nicm 575: (*iptr)++; /* skip final ) */
576: cmd[len] = '\0';
577:
1.71 nicm 578: /* First try in the new tree. */
579: so_find.cmd = cmd;
580: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
1.78 nicm 581: if (so != NULL && so->out != NULL) {
582: xfree(cmd);
1.71 nicm 583: return (so->out);
1.78 nicm 584: }
1.71 nicm 585:
586: /* If not found at all, start the job and add to the tree. */
587: if (so == NULL) {
588: job_run(cmd, status_job_callback, status_job_free, c);
589: c->references++;
590:
591: so = xmalloc(sizeof *so);
592: so->cmd = xstrdup(cmd);
593: so->out = NULL;
594: RB_INSERT(status_out_tree, &c->status_new, so);
595: }
596:
597: /* Lookup in the old tree. */
598: so_find.cmd = cmd;
599: so = RB_FIND(status_out_tree, &c->status_old, &so_find);
600: xfree(cmd);
601: if (so != NULL)
602: return (so->out);
603: return (NULL);
604: }
605:
606: /* Free job tree. */
607: void
608: status_free_jobs(struct status_out_tree *sotree)
609: {
610: struct status_out *so, *so_next;
611:
612: so_next = RB_MIN(status_out_tree, sotree);
613: while (so_next != NULL) {
614: so = so_next;
615: so_next = RB_NEXT(status_out_tree, sotree, so);
616:
617: RB_REMOVE(status_out_tree, sotree, so);
618: if (so->out != NULL)
619: xfree(so->out);
620: xfree(so->cmd);
621: xfree(so);
1.38 nicm 622: }
1.71 nicm 623: }
624:
625: /* Update jobs on status interval. */
626: void
627: status_update_jobs(struct client *c)
628: {
629: /* Free the old tree. */
630: status_free_jobs(&c->status_old);
631:
632: /* Move the new to old. */
633: memcpy(&c->status_old, &c->status_new, sizeof c->status_old);
634: RB_INIT(&c->status_new);
635: }
636:
637: /* Free status job. */
638: void
639: status_job_free(void *data)
640: {
641: struct client *c = data;
642:
643: c->references--;
1.38 nicm 644: }
1.1 nicm 645:
1.46 nicm 646: /* Job has finished: save its result. */
1.38 nicm 647: void
648: status_job_callback(struct job *job)
649: {
1.71 nicm 650: struct client *c = job->data;
651: struct status_out *so, so_find;
652: char *line, *buf;
653: size_t len;
654:
655: if (c->flags & CLIENT_DEAD)
656: return;
657:
658: so_find.cmd = job->cmd;
659: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
660: if (so == NULL || so->out != NULL)
661: return;
1.38 nicm 662:
1.41 nicm 663: buf = NULL;
664: if ((line = evbuffer_readline(job->event->input)) == NULL) {
665: len = EVBUFFER_LENGTH(job->event->input);
666: buf = xmalloc(len + 1);
667: if (len != 0)
668: memcpy(buf, EVBUFFER_DATA(job->event->input), len);
669: buf[len] = '\0';
1.71 nicm 670: } else
671: buf = xstrdup(line);
1.1 nicm 672:
1.71 nicm 673: so->out = buf;
1.75 nicm 674: server_status_client(c);
1.1 nicm 675: }
676:
1.46 nicm 677: /* Return winlink status line entry and adjust gc as necessary. */
1.1 nicm 678: char *
1.47 nicm 679: status_print(
680: struct client *c, struct winlink *wl, time_t t, struct grid_cell *gc)
1.1 nicm 681: {
1.33 nicm 682: struct options *oo = &wl->window->options;
1.47 nicm 683: struct session *s = c->session;
684: const char *fmt;
685: char *text;
1.92 ! nicm 686: int fg, bg, attr;
1.1 nicm 687:
1.33 nicm 688: fg = options_get_number(oo, "window-status-fg");
1.1 nicm 689: if (fg != 8)
1.33 nicm 690: colour_set_fg(gc, fg);
691: bg = options_get_number(oo, "window-status-bg");
1.1 nicm 692: if (bg != 8)
1.33 nicm 693: colour_set_bg(gc, bg);
694: attr = options_get_number(oo, "window-status-attr");
1.1 nicm 695: if (attr != 0)
696: gc->attr = attr;
1.47 nicm 697: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 698: if (wl == s->curw) {
1.33 nicm 699: fg = options_get_number(oo, "window-status-current-fg");
1.14 nicm 700: if (fg != 8)
1.33 nicm 701: colour_set_fg(gc, fg);
702: bg = options_get_number(oo, "window-status-current-bg");
1.14 nicm 703: if (bg != 8)
1.33 nicm 704: colour_set_bg(gc, bg);
705: attr = options_get_number(oo, "window-status-current-attr");
1.14 nicm 706: if (attr != 0)
707: gc->attr = attr;
1.47 nicm 708: fmt = options_get_string(oo, "window-status-current-format");
1.14 nicm 709: }
1.1 nicm 710:
1.84 nicm 711: if (wl->flags & WINLINK_BELL) {
712: fg = options_get_number(oo, "window-status-bell-fg");
1.62 nicm 713: if (fg != 8)
714: colour_set_fg(gc, fg);
1.84 nicm 715: bg = options_get_number(oo, "window-status-bell-bg");
1.62 nicm 716: if (bg != 8)
717: colour_set_bg(gc, bg);
1.84 nicm 718: attr = options_get_number(oo, "window-status-bell-attr");
719: if (attr != 0)
720: gc->attr = attr;
721: } else if (wl->flags & WINLINK_CONTENT) {
722: fg = options_get_number(oo, "window-status-content-fg");
723: if (fg != 8)
724: colour_set_fg(gc, fg);
725: bg = options_get_number(oo, "window-status-content-bg");
726: if (bg != 8)
727: colour_set_bg(gc, bg);
728: attr = options_get_number(oo, "window-status-content-attr");
729: if (attr != 0)
730: gc->attr = attr;
731: } else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE)) {
732: fg = options_get_number(oo, "window-status-activity-fg");
733: if (fg != 8)
734: colour_set_fg(gc, fg);
735: bg = options_get_number(oo, "window-status-activity-bg");
736: if (bg != 8)
737: colour_set_bg(gc, bg);
738: attr = options_get_number(oo, "window-status-activity-attr");
1.62 nicm 739: if (attr != 0)
740: gc->attr = attr;
741: }
1.1 nicm 742:
1.72 nicm 743: text = status_replace(c, NULL, wl, NULL, fmt, t, 1);
1.1 nicm 744: return (text);
745: }
746:
1.46 nicm 747: /* Set a status line message. */
1.10 nicm 748: void printflike2
749: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 750: {
1.44 nicm 751: struct timeval tv;
752: struct session *s = c->session;
753: struct message_entry *msg;
754: va_list ap;
755: int delay;
756: u_int i, limit;
1.1 nicm 757:
1.12 nicm 758: status_prompt_clear(c);
759: status_message_clear(c);
760:
1.28 nicm 761: va_start(ap, fmt);
762: xvasprintf(&c->message_string, fmt, ap);
763: va_end(ap);
764:
1.44 nicm 765: ARRAY_EXPAND(&c->message_log, 1);
766: msg = &ARRAY_LAST(&c->message_log);
767: msg->msg_time = time(NULL);
768: msg->msg = xstrdup(c->message_string);
769:
770: if (s == NULL)
771: limit = 0;
772: else
773: limit = options_get_number(&s->options, "message-limit");
1.50 nicm 774: if (ARRAY_LENGTH(&c->message_log) > limit) {
775: limit = ARRAY_LENGTH(&c->message_log) - limit;
776: for (i = 0; i < limit; i++) {
777: msg = &ARRAY_FIRST(&c->message_log);
778: xfree(msg->msg);
779: ARRAY_REMOVE(&c->message_log, 0);
780: }
1.44 nicm 781: }
782:
1.1 nicm 783: delay = options_get_number(&c->session->options, "display-time");
784: tv.tv_sec = delay / 1000;
785: tv.tv_usec = (delay % 1000) * 1000L;
1.44 nicm 786:
1.90 nicm 787: if (event_initialized (&c->message_timer))
788: evtimer_del(&c->message_timer);
1.42 nicm 789: evtimer_set(&c->message_timer, status_message_callback, c);
790: evtimer_add(&c->message_timer, &tv);
1.1 nicm 791:
792: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
793: c->flags |= CLIENT_STATUS;
794: }
795:
1.46 nicm 796: /* Clear status line message. */
1.1 nicm 797: void
798: status_message_clear(struct client *c)
799: {
800: if (c->message_string == NULL)
801: return;
802:
803: xfree(c->message_string);
804: c->message_string = NULL;
805:
806: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 807: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 808:
809: screen_reinit(&c->status);
1.42 nicm 810: }
811:
1.46 nicm 812: /* Clear status line message after timer expires. */
1.52 nicm 813: /* ARGSUSED */
1.42 nicm 814: void
815: status_message_callback(unused int fd, unused short event, void *data)
816: {
817: struct client *c = data;
818:
819: status_message_clear(c);
1.1 nicm 820: }
821:
822: /* Draw client message on status line of present else on last line. */
823: int
824: status_message_redraw(struct client *c)
825: {
826: struct screen_write_ctx ctx;
827: struct session *s = c->session;
828: struct screen old_status;
829: size_t len;
830: struct grid_cell gc;
1.51 nicm 831: int utf8flag;
1.1 nicm 832:
833: if (c->tty.sx == 0 || c->tty.sy == 0)
834: return (0);
835: memcpy(&old_status, &c->status, sizeof old_status);
836: screen_init(&c->status, c->tty.sx, 1, 0);
837:
1.51 nicm 838: utf8flag = options_get_number(&s->options, "status-utf8");
839:
840: len = screen_write_strlen(utf8flag, "%s", c->message_string);
1.1 nicm 841: if (len > c->tty.sx)
842: len = c->tty.sx;
843:
844: memcpy(&gc, &grid_default_cell, sizeof gc);
1.33 nicm 845: colour_set_fg(&gc, options_get_number(&s->options, "message-fg"));
846: colour_set_bg(&gc, options_get_number(&s->options, "message-bg"));
1.1 nicm 847: gc.attr |= options_get_number(&s->options, "message-attr");
848:
849: screen_write_start(&ctx, NULL, &c->status);
850:
851: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 852: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->message_string);
1.1 nicm 853: for (; len < c->tty.sx; len++)
854: screen_write_putc(&ctx, &gc, ' ');
855:
856: screen_write_stop(&ctx);
857:
858: if (grid_compare(c->status.grid, old_status.grid) == 0) {
859: screen_free(&old_status);
860: return (0);
861: }
862: screen_free(&old_status);
863: return (1);
864: }
865:
1.46 nicm 866: /* Enable status line prompt. */
1.1 nicm 867: void
1.76 nicm 868: status_prompt_set(struct client *c, const char *msg, const char *input,
1.12 nicm 869: int (*callbackfn)(void *, const char *), void (*freefn)(void *),
870: void *data, int flags)
1.1 nicm 871: {
1.20 nicm 872: int keys;
873:
1.12 nicm 874: status_message_clear(c);
875: status_prompt_clear(c);
876:
1.77 nicm 877: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
878: time(NULL), 0);
1.1 nicm 879:
1.77 nicm 880: if (input == NULL)
881: input = "";
882: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
883: time(NULL), 0);
1.76 nicm 884: c->prompt_index = strlen(c->prompt_buffer);
1.1 nicm 885:
1.12 nicm 886: c->prompt_callbackfn = callbackfn;
887: c->prompt_freefn = freefn;
1.1 nicm 888: c->prompt_data = data;
889:
890: c->prompt_hindex = 0;
891:
892: c->prompt_flags = flags;
893:
1.20 nicm 894: keys = options_get_number(&c->session->options, "status-keys");
895: if (keys == MODEKEY_EMACS)
1.21 nicm 896: mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
1.20 nicm 897: else
1.21 nicm 898: mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
1.1 nicm 899:
900: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
901: c->flags |= CLIENT_STATUS;
902: }
903:
1.46 nicm 904: /* Remove status line prompt. */
1.1 nicm 905: void
906: status_prompt_clear(struct client *c)
907: {
1.55 nicm 908: if (c->prompt_string == NULL)
1.1 nicm 909: return;
910:
1.12 nicm 911: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
912: c->prompt_freefn(c->prompt_data);
1.1 nicm 913:
914: xfree(c->prompt_string);
915: c->prompt_string = NULL;
916:
917: xfree(c->prompt_buffer);
918: c->prompt_buffer = NULL;
919:
920: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 921: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 922:
923: screen_reinit(&c->status);
1.27 nicm 924: }
925:
1.46 nicm 926: /* Update status line prompt with a new prompt string. */
1.27 nicm 927: void
1.76 nicm 928: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 929: {
930: xfree(c->prompt_string);
1.77 nicm 931: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
932: time(NULL), 0);
1.27 nicm 933:
1.76 nicm 934: xfree(c->prompt_buffer);
1.77 nicm 935: if (input == NULL)
936: input = "";
937: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
938: time(NULL), 0);
1.76 nicm 939: c->prompt_index = strlen(c->prompt_buffer);
1.27 nicm 940:
941: c->prompt_hindex = 0;
942:
943: c->flags |= CLIENT_STATUS;
1.1 nicm 944: }
945:
946: /* Draw client prompt on status line of present else on last line. */
947: int
948: status_prompt_redraw(struct client *c)
949: {
1.51 nicm 950: struct screen_write_ctx ctx;
1.1 nicm 951: struct session *s = c->session;
952: struct screen old_status;
1.29 nicm 953: size_t i, size, left, len, off;
1.51 nicm 954: struct grid_cell gc, *gcp;
955: int utf8flag;
1.1 nicm 956:
957: if (c->tty.sx == 0 || c->tty.sy == 0)
958: return (0);
959: memcpy(&old_status, &c->status, sizeof old_status);
960: screen_init(&c->status, c->tty.sx, 1, 0);
961:
1.51 nicm 962: utf8flag = options_get_number(&s->options, "status-utf8");
963:
964: len = screen_write_strlen(utf8flag, "%s", c->prompt_string);
1.1 nicm 965: if (len > c->tty.sx)
966: len = c->tty.sx;
1.51 nicm 967: off = 0;
1.1 nicm 968:
969: memcpy(&gc, &grid_default_cell, sizeof gc);
1.79 nicm 970: /* Change colours for command mode. */
971: if (c->prompt_mdata.mode == 1) {
972: colour_set_fg(&gc, options_get_number(&s->options, "message-command-fg"));
973: colour_set_bg(&gc, options_get_number(&s->options, "message-command-bg"));
974: gc.attr |= options_get_number(&s->options, "message-command-attr");
975: } else {
976: colour_set_fg(&gc, options_get_number(&s->options, "message-fg"));
977: colour_set_bg(&gc, options_get_number(&s->options, "message-bg"));
978: gc.attr |= options_get_number(&s->options, "message-attr");
979: }
1.1 nicm 980:
981: screen_write_start(&ctx, NULL, &c->status);
982:
983: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 984: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->prompt_string);
1.1 nicm 985:
986: left = c->tty.sx - len;
987: if (left != 0) {
1.51 nicm 988: size = screen_write_strlen(utf8flag, "%s", c->prompt_buffer);
989: if (c->prompt_index >= left) {
1.17 nicm 990: off = c->prompt_index - left + 1;
1.51 nicm 991: if (c->prompt_index == size)
1.1 nicm 992: left--;
993: size = left;
994: }
1.51 nicm 995: screen_write_nputs(
996: &ctx, left, &gc, utf8flag, "%s", c->prompt_buffer + off);
1.1 nicm 997:
1.55 nicm 998: for (i = len + size; i < c->tty.sx; i++)
999: screen_write_putc(&ctx, &gc, ' ');
1.1 nicm 1000: }
1001:
1002: screen_write_stop(&ctx);
1.51 nicm 1003:
1004: /* Apply fake cursor. */
1005: off = len + c->prompt_index - off;
1006: gcp = grid_view_get_cell(c->status.grid, off, 0);
1007: gcp->attr ^= GRID_ATTR_REVERSE;
1.1 nicm 1008:
1009: if (grid_compare(c->status.grid, old_status.grid) == 0) {
1010: screen_free(&old_status);
1011: return (0);
1012: }
1013: screen_free(&old_status);
1014: return (1);
1015: }
1016:
1017: /* Handle keys in prompt. */
1018: void
1019: status_prompt_key(struct client *c, int key)
1020: {
1.81 nicm 1021: struct session *sess = c->session;
1022: struct options *oo = &sess->options;
1.1 nicm 1023: struct paste_buffer *pb;
1.81 nicm 1024: char *s, *first, *last, word[64], swapc;
1025: const char *histstr;
1.83 nicm 1026: const char *wsep = NULL;
1.53 nicm 1027: u_char ch;
1.1 nicm 1028: size_t size, n, off, idx;
1029:
1030: size = strlen(c->prompt_buffer);
1031: switch (mode_key_lookup(&c->prompt_mdata, key)) {
1.20 nicm 1032: case MODEKEYEDIT_CURSORLEFT:
1.1 nicm 1033: if (c->prompt_index > 0) {
1034: c->prompt_index--;
1035: c->flags |= CLIENT_STATUS;
1036: }
1037: break;
1.79 nicm 1038: case MODEKEYEDIT_SWITCHMODE:
1039: c->flags |= CLIENT_STATUS;
1040: break;
1.20 nicm 1041: case MODEKEYEDIT_SWITCHMODEAPPEND:
1.79 nicm 1042: c->flags |= CLIENT_STATUS;
1043: /* FALLTHROUGH */
1.20 nicm 1044: case MODEKEYEDIT_CURSORRIGHT:
1.1 nicm 1045: if (c->prompt_index < size) {
1046: c->prompt_index++;
1047: c->flags |= CLIENT_STATUS;
1048: }
1049: break;
1.89 nicm 1050: case MODEKEYEDIT_SWITCHMODEBEGINLINE:
1051: c->flags |= CLIENT_STATUS;
1052: /* FALLTHROUGH */
1.20 nicm 1053: case MODEKEYEDIT_STARTOFLINE:
1.1 nicm 1054: if (c->prompt_index != 0) {
1055: c->prompt_index = 0;
1056: c->flags |= CLIENT_STATUS;
1057: }
1058: break;
1.89 nicm 1059: case MODEKEYEDIT_SWITCHMODEAPPENDLINE:
1060: c->flags |= CLIENT_STATUS;
1061: /* FALLTHROUGH */
1.20 nicm 1062: case MODEKEYEDIT_ENDOFLINE:
1.1 nicm 1063: if (c->prompt_index != size) {
1064: c->prompt_index = size;
1065: c->flags |= CLIENT_STATUS;
1066: }
1067: break;
1.20 nicm 1068: case MODEKEYEDIT_COMPLETE:
1.1 nicm 1069: if (*c->prompt_buffer == '\0')
1070: break;
1071:
1072: idx = c->prompt_index;
1073: if (idx != 0)
1074: idx--;
1075:
1076: /* Find the word we are in. */
1077: first = c->prompt_buffer + idx;
1078: while (first > c->prompt_buffer && *first != ' ')
1079: first--;
1080: while (*first == ' ')
1081: first++;
1082: last = c->prompt_buffer + idx;
1083: while (*last != '\0' && *last != ' ')
1084: last++;
1085: while (*last == ' ')
1086: last--;
1087: if (*last != '\0')
1088: last++;
1089: if (last <= first ||
1090: ((size_t) (last - first)) > (sizeof word) - 1)
1091: break;
1092: memcpy(word, first, last - first);
1093: word[last - first] = '\0';
1094:
1095: /* And try to complete it. */
1096: if ((s = status_prompt_complete(word)) == NULL)
1097: break;
1098:
1099: /* Trim out word. */
1100: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1101: memmove(first, last, n);
1102: size -= last - first;
1103:
1104: /* Insert the new word. */
1.55 nicm 1105: size += strlen(s);
1.1 nicm 1106: off = first - c->prompt_buffer;
1.55 nicm 1107: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 1);
1.1 nicm 1108: first = c->prompt_buffer + off;
1.55 nicm 1109: memmove(first + strlen(s), first, n);
1110: memcpy(first, s, strlen(s));
1.1 nicm 1111:
1112: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.22 nicm 1113: xfree(s);
1.1 nicm 1114:
1115: c->flags |= CLIENT_STATUS;
1116: break;
1.20 nicm 1117: case MODEKEYEDIT_BACKSPACE:
1.1 nicm 1118: if (c->prompt_index != 0) {
1119: if (c->prompt_index == size)
1120: c->prompt_buffer[--c->prompt_index] = '\0';
1121: else {
1122: memmove(c->prompt_buffer + c->prompt_index - 1,
1123: c->prompt_buffer + c->prompt_index,
1124: size + 1 - c->prompt_index);
1125: c->prompt_index--;
1126: }
1127: c->flags |= CLIENT_STATUS;
1128: }
1129: break;
1.55 nicm 1130: case MODEKEYEDIT_DELETE:
1.1 nicm 1131: if (c->prompt_index != size) {
1132: memmove(c->prompt_buffer + c->prompt_index,
1133: c->prompt_buffer + c->prompt_index + 1,
1134: size + 1 - c->prompt_index);
1.18 nicm 1135: c->flags |= CLIENT_STATUS;
1136: }
1.26 nicm 1137: break;
1138: case MODEKEYEDIT_DELETELINE:
1139: *c->prompt_buffer = '\0';
1140: c->prompt_index = 0;
1141: c->flags |= CLIENT_STATUS;
1.18 nicm 1142: break;
1.20 nicm 1143: case MODEKEYEDIT_DELETETOENDOFLINE:
1.18 nicm 1144: if (c->prompt_index < size) {
1145: c->prompt_buffer[c->prompt_index] = '\0';
1.1 nicm 1146: c->flags |= CLIENT_STATUS;
1147: }
1148: break;
1.81 nicm 1149: case MODEKEYEDIT_DELETEWORD:
1150: wsep = options_get_string(oo, "word-separators");
1151: idx = c->prompt_index;
1152:
1153: /* Find a non-separator. */
1154: while (idx != 0) {
1155: idx--;
1156: if (!strchr(wsep, c->prompt_buffer[idx]))
1157: break;
1158: }
1159:
1160: /* Find the separator at the beginning of the word. */
1161: while (idx != 0) {
1162: idx--;
1163: if (strchr(wsep, c->prompt_buffer[idx])) {
1164: /* Go back to the word. */
1165: idx++;
1166: break;
1167: }
1168: }
1169:
1170: memmove(c->prompt_buffer + idx,
1171: c->prompt_buffer + c->prompt_index,
1172: size + 1 - c->prompt_index);
1173: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1174: '\0', c->prompt_index - idx);
1175: c->prompt_index = idx;
1176: c->flags |= CLIENT_STATUS;
1177: break;
1.83 nicm 1178: case MODEKEYEDIT_NEXTSPACE:
1179: wsep = " ";
1180: /* FALLTHROUGH */
1.81 nicm 1181: case MODEKEYEDIT_NEXTWORD:
1.83 nicm 1182: if (wsep == NULL)
1183: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1184:
1185: /* Find a separator. */
1186: while (c->prompt_index != size) {
1187: c->prompt_index++;
1188: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1189: break;
1190: }
1191:
1192: /* Find the word right after the separation. */
1193: while (c->prompt_index != size) {
1194: c->prompt_index++;
1195: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1196: break;
1197: }
1198:
1199: c->flags |= CLIENT_STATUS;
1200: break;
1.83 nicm 1201: case MODEKEYEDIT_NEXTSPACEEND:
1202: wsep = " ";
1203: /* FALLTHROUGH */
1.81 nicm 1204: case MODEKEYEDIT_NEXTWORDEND:
1.83 nicm 1205: if (wsep == NULL)
1206: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1207:
1208: /* Find a word. */
1209: while (c->prompt_index != size) {
1210: c->prompt_index++;
1211: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1212: break;
1213: }
1214:
1215: /* Find the separator at the end of the word. */
1216: while (c->prompt_index != size) {
1217: c->prompt_index++;
1.82 nicm 1218: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1.81 nicm 1219: break;
1220: }
1221:
1222: c->flags |= CLIENT_STATUS;
1223: break;
1.83 nicm 1224: case MODEKEYEDIT_PREVIOUSSPACE:
1225: wsep = " ";
1226: /* FALLTHROUGH */
1.81 nicm 1227: case MODEKEYEDIT_PREVIOUSWORD:
1.83 nicm 1228: if (wsep == NULL)
1229: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1230:
1231: /* Find a non-separator. */
1232: while (c->prompt_index != 0) {
1233: c->prompt_index--;
1234: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1235: break;
1236: }
1237:
1238: /* Find the separator at the beginning of the word. */
1239: while (c->prompt_index != 0) {
1240: c->prompt_index--;
1241: if (strchr(wsep, c->prompt_buffer[c->prompt_index])) {
1242: /* Go back to the word. */
1243: c->prompt_index++;
1244: break;
1245: }
1246: }
1247:
1248: c->flags |= CLIENT_STATUS;
1249: break;
1.20 nicm 1250: case MODEKEYEDIT_HISTORYUP:
1.66 nicm 1251: histstr = status_prompt_up_history(&c->prompt_hindex);
1252: if (histstr == NULL)
1.1 nicm 1253: break;
1.81 nicm 1254: xfree(c->prompt_buffer);
1.66 nicm 1255: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1256: c->prompt_index = strlen(c->prompt_buffer);
1257: c->flags |= CLIENT_STATUS;
1258: break;
1.20 nicm 1259: case MODEKEYEDIT_HISTORYDOWN:
1.66 nicm 1260: histstr = status_prompt_down_history(&c->prompt_hindex);
1261: if (histstr == NULL)
1.65 nicm 1262: break;
1.1 nicm 1263: xfree(c->prompt_buffer);
1.66 nicm 1264: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1265: c->prompt_index = strlen(c->prompt_buffer);
1266: c->flags |= CLIENT_STATUS;
1267: break;
1.20 nicm 1268: case MODEKEYEDIT_PASTE:
1.68 nicm 1269: if ((pb = paste_get_top(&global_buffers)) == NULL)
1.1 nicm 1270: break;
1.32 nicm 1271: for (n = 0; n < pb->size; n++) {
1.53 nicm 1272: ch = (u_char) pb->data[n];
1273: if (ch < 32 || ch == 127)
1.32 nicm 1274: break;
1275: }
1.1 nicm 1276:
1277: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + n + 1);
1278: if (c->prompt_index == size) {
1279: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1280: c->prompt_index += n;
1281: c->prompt_buffer[c->prompt_index] = '\0';
1282: } else {
1283: memmove(c->prompt_buffer + c->prompt_index + n,
1284: c->prompt_buffer + c->prompt_index,
1285: size + 1 - c->prompt_index);
1286: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1287: c->prompt_index += n;
1288: }
1289:
1290: c->flags |= CLIENT_STATUS;
1.30 nicm 1291: break;
1292: case MODEKEYEDIT_TRANSPOSECHARS:
1293: idx = c->prompt_index;
1294: if (idx < size)
1295: idx++;
1296: if (idx >= 2) {
1297: swapc = c->prompt_buffer[idx - 2];
1298: c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
1299: c->prompt_buffer[idx - 1] = swapc;
1300: c->prompt_index = idx;
1301: c->flags |= CLIENT_STATUS;
1302: }
1.1 nicm 1303: break;
1.55 nicm 1304: case MODEKEYEDIT_ENTER:
1.25 nicm 1305: if (*c->prompt_buffer != '\0')
1.65 nicm 1306: status_prompt_add_history(c->prompt_buffer);
1.25 nicm 1307: if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
1308: status_prompt_clear(c);
1309: break;
1.20 nicm 1310: case MODEKEYEDIT_CANCEL:
1.12 nicm 1311: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1312: status_prompt_clear(c);
1313: break;
1.20 nicm 1314: case MODEKEY_OTHER:
1.61 nicm 1315: if ((key & 0xff00) != 0 || key < 32 || key == 127)
1.1 nicm 1316: break;
1317: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 2);
1318:
1319: if (c->prompt_index == size) {
1320: c->prompt_buffer[c->prompt_index++] = key;
1321: c->prompt_buffer[c->prompt_index] = '\0';
1322: } else {
1323: memmove(c->prompt_buffer + c->prompt_index + 1,
1324: c->prompt_buffer + c->prompt_index,
1325: size + 1 - c->prompt_index);
1326: c->prompt_buffer[c->prompt_index++] = key;
1327: }
1328:
1329: if (c->prompt_flags & PROMPT_SINGLE) {
1.12 nicm 1330: if (c->prompt_callbackfn(
1.1 nicm 1331: c->prompt_data, c->prompt_buffer) == 0)
1332: status_prompt_clear(c);
1333: }
1334:
1335: c->flags |= CLIENT_STATUS;
1336: break;
1337: default:
1338: break;
1339: }
1340: }
1341:
1.65 nicm 1342: /* Get previous line from the history. */
1343: const char *
1344: status_prompt_up_history(u_int *idx)
1345: {
1346: u_int size;
1347:
1348: /*
1349: * History runs from 0 to size - 1.
1350: *
1351: * Index is from 0 to size. Zero is empty.
1352: */
1353:
1354: size = ARRAY_LENGTH(&status_prompt_history);
1355: if (size == 0 || *idx == size)
1356: return (NULL);
1357: (*idx)++;
1358: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1359: }
1360:
1361: /* Get next line from the history. */
1362: const char *
1363: status_prompt_down_history(u_int *idx)
1364: {
1365: u_int size;
1366:
1367: size = ARRAY_LENGTH(&status_prompt_history);
1368: if (size == 0 || *idx == 0)
1369: return ("");
1370: (*idx)--;
1371: if (*idx == 0)
1372: return ("");
1373: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1374: }
1375:
1.1 nicm 1376: /* Add line to the history. */
1377: void
1.65 nicm 1378: status_prompt_add_history(const char *line)
1.1 nicm 1379: {
1.65 nicm 1380: u_int size;
1381:
1382: size = ARRAY_LENGTH(&status_prompt_history);
1383: if (size > 0 && strcmp(ARRAY_LAST(&status_prompt_history), line) == 0)
1.1 nicm 1384: return;
1385:
1.65 nicm 1386: if (size == PROMPT_HISTORY) {
1387: xfree(ARRAY_FIRST(&status_prompt_history));
1388: ARRAY_REMOVE(&status_prompt_history, 0);
1.1 nicm 1389: }
1390:
1.65 nicm 1391: ARRAY_ADD(&status_prompt_history, xstrdup(line));
1.1 nicm 1392: }
1393:
1394: /* Complete word. */
1395: char *
1396: status_prompt_complete(const char *s)
1397: {
1.69 nicm 1398: const struct cmd_entry **cmdent;
1399: const struct options_table_entry *oe;
1400: ARRAY_DECL(, const char *) list;
1401: char *prefix, *s2;
1402: u_int i;
1403: size_t j;
1.1 nicm 1404:
1405: if (*s == '\0')
1406: return (NULL);
1407:
1408: /* First, build a list of all the possible matches. */
1409: ARRAY_INIT(&list);
1410: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1411: if (strncmp((*cmdent)->name, s, strlen(s)) == 0)
1412: ARRAY_ADD(&list, (*cmdent)->name);
1.56 nicm 1413: }
1.69 nicm 1414: for (oe = server_options_table; oe->name != NULL; oe++) {
1415: if (strncmp(oe->name, s, strlen(s)) == 0)
1416: ARRAY_ADD(&list, oe->name);
1417: }
1418: for (oe = session_options_table; oe->name != NULL; oe++) {
1419: if (strncmp(oe->name, s, strlen(s)) == 0)
1420: ARRAY_ADD(&list, oe->name);
1421: }
1422: for (oe = window_options_table; oe->name != NULL; oe++) {
1423: if (strncmp(oe->name, s, strlen(s)) == 0)
1424: ARRAY_ADD(&list, oe->name);
1.1 nicm 1425: }
1426:
1427: /* If none, bail now. */
1428: if (ARRAY_LENGTH(&list) == 0) {
1429: ARRAY_FREE(&list);
1430: return (NULL);
1431: }
1432:
1433: /* If an exact match, return it, with a trailing space. */
1434: if (ARRAY_LENGTH(&list) == 1) {
1435: xasprintf(&s2, "%s ", ARRAY_FIRST(&list));
1436: ARRAY_FREE(&list);
1437: return (s2);
1438: }
1439:
1440: /* Now loop through the list and find the longest common prefix. */
1441: prefix = xstrdup(ARRAY_FIRST(&list));
1442: for (i = 1; i < ARRAY_LENGTH(&list); i++) {
1443: s = ARRAY_ITEM(&list, i);
1444:
1445: j = strlen(s);
1446: if (j > strlen(prefix))
1447: j = strlen(prefix);
1448: for (; j > 0; j--) {
1449: if (prefix[j - 1] != s[j - 1])
1450: prefix[j - 1] = '\0';
1451: }
1452: }
1453:
1454: ARRAY_FREE(&list);
1455: return (prefix);
1456: }
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