Annotation of src/usr.bin/tmux/status.c, Revision 1.93
1.93 ! nicm 1: /* $OpenBSD: status.c,v 1.92 2012/04/29 07:33:41 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:
1.93 ! nicm 518: if (fmt == NULL)
! 519: return (xstrdup(""));
! 520:
1.86 nicm 521: len = strftime(in, sizeof in, fmt, localtime(&t));
522: in[len] = '\0';
1.1 nicm 523:
524: iptr = in;
525: optr = out;
526:
527: while (*iptr != '\0') {
528: if (optr >= out + (sizeof out) - 1)
529: break;
1.46 nicm 530: ch = *iptr++;
531:
1.70 nicm 532: if (ch != '#' || *iptr == '\0') {
1.1 nicm 533: *optr++ = ch;
1.46 nicm 534: continue;
1.1 nicm 535: }
1.72 nicm 536: status_replace1(
537: c, s, wl, wp, &iptr, &optr, out, sizeof out, jobsflag);
1.1 nicm 538: }
539: *optr = '\0';
540:
541: return (xstrdup(out));
542: }
543:
1.46 nicm 544: /* Figure out job name and get its result, starting it off if necessary. */
1.1 nicm 545: char *
1.71 nicm 546: status_find_job(struct client *c, char **iptr)
1.1 nicm 547: {
1.71 nicm 548: struct status_out *so, so_find;
549: char *cmd;
550: int lastesc;
551: size_t len;
1.1 nicm 552:
553: if (**iptr == '\0')
554: return (NULL);
555: if (**iptr == ')') { /* no command given */
556: (*iptr)++;
557: return (NULL);
558: }
559:
560: cmd = xmalloc(strlen(*iptr) + 1);
561: len = 0;
562:
563: lastesc = 0;
564: for (; **iptr != '\0'; (*iptr)++) {
565: if (!lastesc && **iptr == ')')
566: break; /* unescaped ) is the end */
567: if (!lastesc && **iptr == '\\') {
568: lastesc = 1;
569: continue; /* skip \ if not escaped */
570: }
571: lastesc = 0;
572: cmd[len++] = **iptr;
573: }
1.38 nicm 574: if (**iptr == '\0') /* no terminating ) */ {
575: xfree(cmd);
576: return (NULL);
577: }
1.1 nicm 578: (*iptr)++; /* skip final ) */
579: cmd[len] = '\0';
580:
1.71 nicm 581: /* First try in the new tree. */
582: so_find.cmd = cmd;
583: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
1.78 nicm 584: if (so != NULL && so->out != NULL) {
585: xfree(cmd);
1.71 nicm 586: return (so->out);
1.78 nicm 587: }
1.71 nicm 588:
589: /* If not found at all, start the job and add to the tree. */
590: if (so == NULL) {
591: job_run(cmd, status_job_callback, status_job_free, c);
592: c->references++;
593:
594: so = xmalloc(sizeof *so);
595: so->cmd = xstrdup(cmd);
596: so->out = NULL;
597: RB_INSERT(status_out_tree, &c->status_new, so);
598: }
599:
600: /* Lookup in the old tree. */
601: so_find.cmd = cmd;
602: so = RB_FIND(status_out_tree, &c->status_old, &so_find);
603: xfree(cmd);
604: if (so != NULL)
605: return (so->out);
606: return (NULL);
607: }
608:
609: /* Free job tree. */
610: void
611: status_free_jobs(struct status_out_tree *sotree)
612: {
613: struct status_out *so, *so_next;
614:
615: so_next = RB_MIN(status_out_tree, sotree);
616: while (so_next != NULL) {
617: so = so_next;
618: so_next = RB_NEXT(status_out_tree, sotree, so);
619:
620: RB_REMOVE(status_out_tree, sotree, so);
621: if (so->out != NULL)
622: xfree(so->out);
623: xfree(so->cmd);
624: xfree(so);
1.38 nicm 625: }
1.71 nicm 626: }
627:
628: /* Update jobs on status interval. */
629: void
630: status_update_jobs(struct client *c)
631: {
632: /* Free the old tree. */
633: status_free_jobs(&c->status_old);
634:
635: /* Move the new to old. */
636: memcpy(&c->status_old, &c->status_new, sizeof c->status_old);
637: RB_INIT(&c->status_new);
638: }
639:
640: /* Free status job. */
641: void
642: status_job_free(void *data)
643: {
644: struct client *c = data;
645:
646: c->references--;
1.38 nicm 647: }
1.1 nicm 648:
1.46 nicm 649: /* Job has finished: save its result. */
1.38 nicm 650: void
651: status_job_callback(struct job *job)
652: {
1.71 nicm 653: struct client *c = job->data;
654: struct status_out *so, so_find;
655: char *line, *buf;
656: size_t len;
657:
658: if (c->flags & CLIENT_DEAD)
659: return;
660:
661: so_find.cmd = job->cmd;
662: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
663: if (so == NULL || so->out != NULL)
664: return;
1.38 nicm 665:
1.41 nicm 666: buf = NULL;
667: if ((line = evbuffer_readline(job->event->input)) == NULL) {
668: len = EVBUFFER_LENGTH(job->event->input);
669: buf = xmalloc(len + 1);
670: if (len != 0)
671: memcpy(buf, EVBUFFER_DATA(job->event->input), len);
672: buf[len] = '\0';
1.71 nicm 673: } else
674: buf = xstrdup(line);
1.1 nicm 675:
1.71 nicm 676: so->out = buf;
1.75 nicm 677: server_status_client(c);
1.1 nicm 678: }
679:
1.46 nicm 680: /* Return winlink status line entry and adjust gc as necessary. */
1.1 nicm 681: char *
1.47 nicm 682: status_print(
683: struct client *c, struct winlink *wl, time_t t, struct grid_cell *gc)
1.1 nicm 684: {
1.33 nicm 685: struct options *oo = &wl->window->options;
1.47 nicm 686: struct session *s = c->session;
687: const char *fmt;
688: char *text;
1.92 nicm 689: int fg, bg, attr;
1.1 nicm 690:
1.33 nicm 691: fg = options_get_number(oo, "window-status-fg");
1.1 nicm 692: if (fg != 8)
1.33 nicm 693: colour_set_fg(gc, fg);
694: bg = options_get_number(oo, "window-status-bg");
1.1 nicm 695: if (bg != 8)
1.33 nicm 696: colour_set_bg(gc, bg);
697: attr = options_get_number(oo, "window-status-attr");
1.1 nicm 698: if (attr != 0)
699: gc->attr = attr;
1.47 nicm 700: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 701: if (wl == s->curw) {
1.33 nicm 702: fg = options_get_number(oo, "window-status-current-fg");
1.14 nicm 703: if (fg != 8)
1.33 nicm 704: colour_set_fg(gc, fg);
705: bg = options_get_number(oo, "window-status-current-bg");
1.14 nicm 706: if (bg != 8)
1.33 nicm 707: colour_set_bg(gc, bg);
708: attr = options_get_number(oo, "window-status-current-attr");
1.14 nicm 709: if (attr != 0)
710: gc->attr = attr;
1.47 nicm 711: fmt = options_get_string(oo, "window-status-current-format");
1.14 nicm 712: }
1.1 nicm 713:
1.84 nicm 714: if (wl->flags & WINLINK_BELL) {
715: fg = options_get_number(oo, "window-status-bell-fg");
1.62 nicm 716: if (fg != 8)
717: colour_set_fg(gc, fg);
1.84 nicm 718: bg = options_get_number(oo, "window-status-bell-bg");
1.62 nicm 719: if (bg != 8)
720: colour_set_bg(gc, bg);
1.84 nicm 721: attr = options_get_number(oo, "window-status-bell-attr");
722: if (attr != 0)
723: gc->attr = attr;
724: } else if (wl->flags & WINLINK_CONTENT) {
725: fg = options_get_number(oo, "window-status-content-fg");
726: if (fg != 8)
727: colour_set_fg(gc, fg);
728: bg = options_get_number(oo, "window-status-content-bg");
729: if (bg != 8)
730: colour_set_bg(gc, bg);
731: attr = options_get_number(oo, "window-status-content-attr");
732: if (attr != 0)
733: gc->attr = attr;
734: } else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE)) {
735: fg = options_get_number(oo, "window-status-activity-fg");
736: if (fg != 8)
737: colour_set_fg(gc, fg);
738: bg = options_get_number(oo, "window-status-activity-bg");
739: if (bg != 8)
740: colour_set_bg(gc, bg);
741: attr = options_get_number(oo, "window-status-activity-attr");
1.62 nicm 742: if (attr != 0)
743: gc->attr = attr;
744: }
1.1 nicm 745:
1.72 nicm 746: text = status_replace(c, NULL, wl, NULL, fmt, t, 1);
1.1 nicm 747: return (text);
748: }
749:
1.46 nicm 750: /* Set a status line message. */
1.10 nicm 751: void printflike2
752: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 753: {
1.44 nicm 754: struct timeval tv;
755: struct session *s = c->session;
756: struct message_entry *msg;
757: va_list ap;
758: int delay;
759: u_int i, limit;
1.1 nicm 760:
1.12 nicm 761: status_prompt_clear(c);
762: status_message_clear(c);
763:
1.28 nicm 764: va_start(ap, fmt);
765: xvasprintf(&c->message_string, fmt, ap);
766: va_end(ap);
767:
1.44 nicm 768: ARRAY_EXPAND(&c->message_log, 1);
769: msg = &ARRAY_LAST(&c->message_log);
770: msg->msg_time = time(NULL);
771: msg->msg = xstrdup(c->message_string);
772:
773: if (s == NULL)
774: limit = 0;
775: else
776: limit = options_get_number(&s->options, "message-limit");
1.50 nicm 777: if (ARRAY_LENGTH(&c->message_log) > limit) {
778: limit = ARRAY_LENGTH(&c->message_log) - limit;
779: for (i = 0; i < limit; i++) {
780: msg = &ARRAY_FIRST(&c->message_log);
781: xfree(msg->msg);
782: ARRAY_REMOVE(&c->message_log, 0);
783: }
1.44 nicm 784: }
785:
1.1 nicm 786: delay = options_get_number(&c->session->options, "display-time");
787: tv.tv_sec = delay / 1000;
788: tv.tv_usec = (delay % 1000) * 1000L;
1.44 nicm 789:
1.90 nicm 790: if (event_initialized (&c->message_timer))
791: evtimer_del(&c->message_timer);
1.42 nicm 792: evtimer_set(&c->message_timer, status_message_callback, c);
793: evtimer_add(&c->message_timer, &tv);
1.1 nicm 794:
795: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
796: c->flags |= CLIENT_STATUS;
797: }
798:
1.46 nicm 799: /* Clear status line message. */
1.1 nicm 800: void
801: status_message_clear(struct client *c)
802: {
803: if (c->message_string == NULL)
804: return;
805:
806: xfree(c->message_string);
807: c->message_string = NULL;
808:
809: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 810: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 811:
812: screen_reinit(&c->status);
1.42 nicm 813: }
814:
1.46 nicm 815: /* Clear status line message after timer expires. */
1.52 nicm 816: /* ARGSUSED */
1.42 nicm 817: void
818: status_message_callback(unused int fd, unused short event, void *data)
819: {
820: struct client *c = data;
821:
822: status_message_clear(c);
1.1 nicm 823: }
824:
825: /* Draw client message on status line of present else on last line. */
826: int
827: status_message_redraw(struct client *c)
828: {
829: struct screen_write_ctx ctx;
830: struct session *s = c->session;
831: struct screen old_status;
832: size_t len;
833: struct grid_cell gc;
1.51 nicm 834: int utf8flag;
1.1 nicm 835:
836: if (c->tty.sx == 0 || c->tty.sy == 0)
837: return (0);
838: memcpy(&old_status, &c->status, sizeof old_status);
839: screen_init(&c->status, c->tty.sx, 1, 0);
840:
1.51 nicm 841: utf8flag = options_get_number(&s->options, "status-utf8");
842:
843: len = screen_write_strlen(utf8flag, "%s", c->message_string);
1.1 nicm 844: if (len > c->tty.sx)
845: len = c->tty.sx;
846:
847: memcpy(&gc, &grid_default_cell, sizeof gc);
1.33 nicm 848: colour_set_fg(&gc, options_get_number(&s->options, "message-fg"));
849: colour_set_bg(&gc, options_get_number(&s->options, "message-bg"));
1.1 nicm 850: gc.attr |= options_get_number(&s->options, "message-attr");
851:
852: screen_write_start(&ctx, NULL, &c->status);
853:
854: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 855: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->message_string);
1.1 nicm 856: for (; len < c->tty.sx; len++)
857: screen_write_putc(&ctx, &gc, ' ');
858:
859: screen_write_stop(&ctx);
860:
861: if (grid_compare(c->status.grid, old_status.grid) == 0) {
862: screen_free(&old_status);
863: return (0);
864: }
865: screen_free(&old_status);
866: return (1);
867: }
868:
1.46 nicm 869: /* Enable status line prompt. */
1.1 nicm 870: void
1.76 nicm 871: status_prompt_set(struct client *c, const char *msg, const char *input,
1.12 nicm 872: int (*callbackfn)(void *, const char *), void (*freefn)(void *),
873: void *data, int flags)
1.1 nicm 874: {
1.20 nicm 875: int keys;
876:
1.12 nicm 877: status_message_clear(c);
878: status_prompt_clear(c);
879:
1.77 nicm 880: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
881: time(NULL), 0);
1.1 nicm 882:
1.77 nicm 883: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
884: time(NULL), 0);
1.76 nicm 885: c->prompt_index = strlen(c->prompt_buffer);
1.1 nicm 886:
1.12 nicm 887: c->prompt_callbackfn = callbackfn;
888: c->prompt_freefn = freefn;
1.1 nicm 889: c->prompt_data = data;
890:
891: c->prompt_hindex = 0;
892:
893: c->prompt_flags = flags;
894:
1.20 nicm 895: keys = options_get_number(&c->session->options, "status-keys");
896: if (keys == MODEKEY_EMACS)
1.21 nicm 897: mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
1.20 nicm 898: else
1.21 nicm 899: mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
1.1 nicm 900:
901: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
902: c->flags |= CLIENT_STATUS;
903: }
904:
1.46 nicm 905: /* Remove status line prompt. */
1.1 nicm 906: void
907: status_prompt_clear(struct client *c)
908: {
1.55 nicm 909: if (c->prompt_string == NULL)
1.1 nicm 910: return;
911:
1.12 nicm 912: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
913: c->prompt_freefn(c->prompt_data);
1.1 nicm 914:
915: xfree(c->prompt_string);
916: c->prompt_string = NULL;
917:
918: xfree(c->prompt_buffer);
919: c->prompt_buffer = NULL;
920:
921: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 922: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 923:
924: screen_reinit(&c->status);
1.27 nicm 925: }
926:
1.46 nicm 927: /* Update status line prompt with a new prompt string. */
1.27 nicm 928: void
1.76 nicm 929: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 930: {
931: xfree(c->prompt_string);
1.77 nicm 932: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
933: time(NULL), 0);
1.27 nicm 934:
1.76 nicm 935: xfree(c->prompt_buffer);
1.77 nicm 936: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
937: time(NULL), 0);
1.76 nicm 938: c->prompt_index = strlen(c->prompt_buffer);
1.27 nicm 939:
940: c->prompt_hindex = 0;
941:
942: c->flags |= CLIENT_STATUS;
1.1 nicm 943: }
944:
945: /* Draw client prompt on status line of present else on last line. */
946: int
947: status_prompt_redraw(struct client *c)
948: {
1.51 nicm 949: struct screen_write_ctx ctx;
1.1 nicm 950: struct session *s = c->session;
951: struct screen old_status;
1.29 nicm 952: size_t i, size, left, len, off;
1.51 nicm 953: struct grid_cell gc, *gcp;
954: int utf8flag;
1.1 nicm 955:
956: if (c->tty.sx == 0 || c->tty.sy == 0)
957: return (0);
958: memcpy(&old_status, &c->status, sizeof old_status);
959: screen_init(&c->status, c->tty.sx, 1, 0);
960:
1.51 nicm 961: utf8flag = options_get_number(&s->options, "status-utf8");
962:
963: len = screen_write_strlen(utf8flag, "%s", c->prompt_string);
1.1 nicm 964: if (len > c->tty.sx)
965: len = c->tty.sx;
1.51 nicm 966: off = 0;
1.1 nicm 967:
968: memcpy(&gc, &grid_default_cell, sizeof gc);
1.79 nicm 969: /* Change colours for command mode. */
970: if (c->prompt_mdata.mode == 1) {
971: colour_set_fg(&gc, options_get_number(&s->options, "message-command-fg"));
972: colour_set_bg(&gc, options_get_number(&s->options, "message-command-bg"));
973: gc.attr |= options_get_number(&s->options, "message-command-attr");
974: } else {
975: colour_set_fg(&gc, options_get_number(&s->options, "message-fg"));
976: colour_set_bg(&gc, options_get_number(&s->options, "message-bg"));
977: gc.attr |= options_get_number(&s->options, "message-attr");
978: }
1.1 nicm 979:
980: screen_write_start(&ctx, NULL, &c->status);
981:
982: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 983: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->prompt_string);
1.1 nicm 984:
985: left = c->tty.sx - len;
986: if (left != 0) {
1.51 nicm 987: size = screen_write_strlen(utf8flag, "%s", c->prompt_buffer);
988: if (c->prompt_index >= left) {
1.17 nicm 989: off = c->prompt_index - left + 1;
1.51 nicm 990: if (c->prompt_index == size)
1.1 nicm 991: left--;
992: size = left;
993: }
1.51 nicm 994: screen_write_nputs(
995: &ctx, left, &gc, utf8flag, "%s", c->prompt_buffer + off);
1.1 nicm 996:
1.55 nicm 997: for (i = len + size; i < c->tty.sx; i++)
998: screen_write_putc(&ctx, &gc, ' ');
1.1 nicm 999: }
1000:
1001: screen_write_stop(&ctx);
1.51 nicm 1002:
1003: /* Apply fake cursor. */
1004: off = len + c->prompt_index - off;
1005: gcp = grid_view_get_cell(c->status.grid, off, 0);
1006: gcp->attr ^= GRID_ATTR_REVERSE;
1.1 nicm 1007:
1008: if (grid_compare(c->status.grid, old_status.grid) == 0) {
1009: screen_free(&old_status);
1010: return (0);
1011: }
1012: screen_free(&old_status);
1013: return (1);
1014: }
1015:
1016: /* Handle keys in prompt. */
1017: void
1018: status_prompt_key(struct client *c, int key)
1019: {
1.81 nicm 1020: struct session *sess = c->session;
1021: struct options *oo = &sess->options;
1.1 nicm 1022: struct paste_buffer *pb;
1.81 nicm 1023: char *s, *first, *last, word[64], swapc;
1024: const char *histstr;
1.83 nicm 1025: const char *wsep = NULL;
1.53 nicm 1026: u_char ch;
1.1 nicm 1027: size_t size, n, off, idx;
1028:
1029: size = strlen(c->prompt_buffer);
1030: switch (mode_key_lookup(&c->prompt_mdata, key)) {
1.20 nicm 1031: case MODEKEYEDIT_CURSORLEFT:
1.1 nicm 1032: if (c->prompt_index > 0) {
1033: c->prompt_index--;
1034: c->flags |= CLIENT_STATUS;
1035: }
1036: break;
1.79 nicm 1037: case MODEKEYEDIT_SWITCHMODE:
1038: c->flags |= CLIENT_STATUS;
1039: break;
1.20 nicm 1040: case MODEKEYEDIT_SWITCHMODEAPPEND:
1.79 nicm 1041: c->flags |= CLIENT_STATUS;
1042: /* FALLTHROUGH */
1.20 nicm 1043: case MODEKEYEDIT_CURSORRIGHT:
1.1 nicm 1044: if (c->prompt_index < size) {
1045: c->prompt_index++;
1046: c->flags |= CLIENT_STATUS;
1047: }
1048: break;
1.89 nicm 1049: case MODEKEYEDIT_SWITCHMODEBEGINLINE:
1050: c->flags |= CLIENT_STATUS;
1051: /* FALLTHROUGH */
1.20 nicm 1052: case MODEKEYEDIT_STARTOFLINE:
1.1 nicm 1053: if (c->prompt_index != 0) {
1054: c->prompt_index = 0;
1055: c->flags |= CLIENT_STATUS;
1056: }
1057: break;
1.89 nicm 1058: case MODEKEYEDIT_SWITCHMODEAPPENDLINE:
1059: c->flags |= CLIENT_STATUS;
1060: /* FALLTHROUGH */
1.20 nicm 1061: case MODEKEYEDIT_ENDOFLINE:
1.1 nicm 1062: if (c->prompt_index != size) {
1063: c->prompt_index = size;
1064: c->flags |= CLIENT_STATUS;
1065: }
1066: break;
1.20 nicm 1067: case MODEKEYEDIT_COMPLETE:
1.1 nicm 1068: if (*c->prompt_buffer == '\0')
1069: break;
1070:
1071: idx = c->prompt_index;
1072: if (idx != 0)
1073: idx--;
1074:
1075: /* Find the word we are in. */
1076: first = c->prompt_buffer + idx;
1077: while (first > c->prompt_buffer && *first != ' ')
1078: first--;
1079: while (*first == ' ')
1080: first++;
1081: last = c->prompt_buffer + idx;
1082: while (*last != '\0' && *last != ' ')
1083: last++;
1084: while (*last == ' ')
1085: last--;
1086: if (*last != '\0')
1087: last++;
1088: if (last <= first ||
1089: ((size_t) (last - first)) > (sizeof word) - 1)
1090: break;
1091: memcpy(word, first, last - first);
1092: word[last - first] = '\0';
1093:
1094: /* And try to complete it. */
1095: if ((s = status_prompt_complete(word)) == NULL)
1096: break;
1097:
1098: /* Trim out word. */
1099: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1100: memmove(first, last, n);
1101: size -= last - first;
1102:
1103: /* Insert the new word. */
1.55 nicm 1104: size += strlen(s);
1.1 nicm 1105: off = first - c->prompt_buffer;
1.55 nicm 1106: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 1);
1.1 nicm 1107: first = c->prompt_buffer + off;
1.55 nicm 1108: memmove(first + strlen(s), first, n);
1109: memcpy(first, s, strlen(s));
1.1 nicm 1110:
1111: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.22 nicm 1112: xfree(s);
1.1 nicm 1113:
1114: c->flags |= CLIENT_STATUS;
1115: break;
1.20 nicm 1116: case MODEKEYEDIT_BACKSPACE:
1.1 nicm 1117: if (c->prompt_index != 0) {
1118: if (c->prompt_index == size)
1119: c->prompt_buffer[--c->prompt_index] = '\0';
1120: else {
1121: memmove(c->prompt_buffer + c->prompt_index - 1,
1122: c->prompt_buffer + c->prompt_index,
1123: size + 1 - c->prompt_index);
1124: c->prompt_index--;
1125: }
1126: c->flags |= CLIENT_STATUS;
1127: }
1128: break;
1.55 nicm 1129: case MODEKEYEDIT_DELETE:
1.1 nicm 1130: if (c->prompt_index != size) {
1131: memmove(c->prompt_buffer + c->prompt_index,
1132: c->prompt_buffer + c->prompt_index + 1,
1133: size + 1 - c->prompt_index);
1.18 nicm 1134: c->flags |= CLIENT_STATUS;
1135: }
1.26 nicm 1136: break;
1137: case MODEKEYEDIT_DELETELINE:
1138: *c->prompt_buffer = '\0';
1139: c->prompt_index = 0;
1140: c->flags |= CLIENT_STATUS;
1.18 nicm 1141: break;
1.20 nicm 1142: case MODEKEYEDIT_DELETETOENDOFLINE:
1.18 nicm 1143: if (c->prompt_index < size) {
1144: c->prompt_buffer[c->prompt_index] = '\0';
1.1 nicm 1145: c->flags |= CLIENT_STATUS;
1146: }
1147: break;
1.81 nicm 1148: case MODEKEYEDIT_DELETEWORD:
1149: wsep = options_get_string(oo, "word-separators");
1150: idx = c->prompt_index;
1151:
1152: /* Find a non-separator. */
1153: while (idx != 0) {
1154: idx--;
1155: if (!strchr(wsep, c->prompt_buffer[idx]))
1156: break;
1157: }
1158:
1159: /* Find the separator at the beginning of the word. */
1160: while (idx != 0) {
1161: idx--;
1162: if (strchr(wsep, c->prompt_buffer[idx])) {
1163: /* Go back to the word. */
1164: idx++;
1165: break;
1166: }
1167: }
1168:
1169: memmove(c->prompt_buffer + idx,
1170: c->prompt_buffer + c->prompt_index,
1171: size + 1 - c->prompt_index);
1172: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1173: '\0', c->prompt_index - idx);
1174: c->prompt_index = idx;
1175: c->flags |= CLIENT_STATUS;
1176: break;
1.83 nicm 1177: case MODEKEYEDIT_NEXTSPACE:
1178: wsep = " ";
1179: /* FALLTHROUGH */
1.81 nicm 1180: case MODEKEYEDIT_NEXTWORD:
1.83 nicm 1181: if (wsep == NULL)
1182: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1183:
1184: /* Find a separator. */
1185: while (c->prompt_index != size) {
1186: c->prompt_index++;
1187: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1188: break;
1189: }
1190:
1191: /* Find the word right after the separation. */
1192: while (c->prompt_index != size) {
1193: c->prompt_index++;
1194: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1195: break;
1196: }
1197:
1198: c->flags |= CLIENT_STATUS;
1199: break;
1.83 nicm 1200: case MODEKEYEDIT_NEXTSPACEEND:
1201: wsep = " ";
1202: /* FALLTHROUGH */
1.81 nicm 1203: case MODEKEYEDIT_NEXTWORDEND:
1.83 nicm 1204: if (wsep == NULL)
1205: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1206:
1207: /* Find a word. */
1208: while (c->prompt_index != size) {
1209: c->prompt_index++;
1210: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1211: break;
1212: }
1213:
1214: /* Find the separator at the end of the word. */
1215: while (c->prompt_index != size) {
1216: c->prompt_index++;
1.82 nicm 1217: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1.81 nicm 1218: break;
1219: }
1220:
1221: c->flags |= CLIENT_STATUS;
1222: break;
1.83 nicm 1223: case MODEKEYEDIT_PREVIOUSSPACE:
1224: wsep = " ";
1225: /* FALLTHROUGH */
1.81 nicm 1226: case MODEKEYEDIT_PREVIOUSWORD:
1.83 nicm 1227: if (wsep == NULL)
1228: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1229:
1230: /* Find a non-separator. */
1231: while (c->prompt_index != 0) {
1232: c->prompt_index--;
1233: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1234: break;
1235: }
1236:
1237: /* Find the separator at the beginning of the word. */
1238: while (c->prompt_index != 0) {
1239: c->prompt_index--;
1240: if (strchr(wsep, c->prompt_buffer[c->prompt_index])) {
1241: /* Go back to the word. */
1242: c->prompt_index++;
1243: break;
1244: }
1245: }
1246:
1247: c->flags |= CLIENT_STATUS;
1248: break;
1.20 nicm 1249: case MODEKEYEDIT_HISTORYUP:
1.66 nicm 1250: histstr = status_prompt_up_history(&c->prompt_hindex);
1251: if (histstr == NULL)
1.1 nicm 1252: break;
1.81 nicm 1253: xfree(c->prompt_buffer);
1.66 nicm 1254: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1255: c->prompt_index = strlen(c->prompt_buffer);
1256: c->flags |= CLIENT_STATUS;
1257: break;
1.20 nicm 1258: case MODEKEYEDIT_HISTORYDOWN:
1.66 nicm 1259: histstr = status_prompt_down_history(&c->prompt_hindex);
1260: if (histstr == NULL)
1.65 nicm 1261: break;
1.1 nicm 1262: xfree(c->prompt_buffer);
1.66 nicm 1263: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1264: c->prompt_index = strlen(c->prompt_buffer);
1265: c->flags |= CLIENT_STATUS;
1266: break;
1.20 nicm 1267: case MODEKEYEDIT_PASTE:
1.68 nicm 1268: if ((pb = paste_get_top(&global_buffers)) == NULL)
1.1 nicm 1269: break;
1.32 nicm 1270: for (n = 0; n < pb->size; n++) {
1.53 nicm 1271: ch = (u_char) pb->data[n];
1272: if (ch < 32 || ch == 127)
1.32 nicm 1273: break;
1274: }
1.1 nicm 1275:
1276: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + n + 1);
1277: if (c->prompt_index == size) {
1278: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1279: c->prompt_index += n;
1280: c->prompt_buffer[c->prompt_index] = '\0';
1281: } else {
1282: memmove(c->prompt_buffer + c->prompt_index + n,
1283: c->prompt_buffer + c->prompt_index,
1284: size + 1 - c->prompt_index);
1285: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1286: c->prompt_index += n;
1287: }
1288:
1289: c->flags |= CLIENT_STATUS;
1.30 nicm 1290: break;
1291: case MODEKEYEDIT_TRANSPOSECHARS:
1292: idx = c->prompt_index;
1293: if (idx < size)
1294: idx++;
1295: if (idx >= 2) {
1296: swapc = c->prompt_buffer[idx - 2];
1297: c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
1298: c->prompt_buffer[idx - 1] = swapc;
1299: c->prompt_index = idx;
1300: c->flags |= CLIENT_STATUS;
1301: }
1.1 nicm 1302: break;
1.55 nicm 1303: case MODEKEYEDIT_ENTER:
1.25 nicm 1304: if (*c->prompt_buffer != '\0')
1.65 nicm 1305: status_prompt_add_history(c->prompt_buffer);
1.25 nicm 1306: if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
1307: status_prompt_clear(c);
1308: break;
1.20 nicm 1309: case MODEKEYEDIT_CANCEL:
1.12 nicm 1310: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1311: status_prompt_clear(c);
1312: break;
1.20 nicm 1313: case MODEKEY_OTHER:
1.61 nicm 1314: if ((key & 0xff00) != 0 || key < 32 || key == 127)
1.1 nicm 1315: break;
1316: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 2);
1317:
1318: if (c->prompt_index == size) {
1319: c->prompt_buffer[c->prompt_index++] = key;
1320: c->prompt_buffer[c->prompt_index] = '\0';
1321: } else {
1322: memmove(c->prompt_buffer + c->prompt_index + 1,
1323: c->prompt_buffer + c->prompt_index,
1324: size + 1 - c->prompt_index);
1325: c->prompt_buffer[c->prompt_index++] = key;
1326: }
1327:
1328: if (c->prompt_flags & PROMPT_SINGLE) {
1.12 nicm 1329: if (c->prompt_callbackfn(
1.1 nicm 1330: c->prompt_data, c->prompt_buffer) == 0)
1331: status_prompt_clear(c);
1332: }
1333:
1334: c->flags |= CLIENT_STATUS;
1335: break;
1336: default:
1337: break;
1338: }
1339: }
1340:
1.65 nicm 1341: /* Get previous line from the history. */
1342: const char *
1343: status_prompt_up_history(u_int *idx)
1344: {
1345: u_int size;
1346:
1347: /*
1348: * History runs from 0 to size - 1.
1349: *
1350: * Index is from 0 to size. Zero is empty.
1351: */
1352:
1353: size = ARRAY_LENGTH(&status_prompt_history);
1354: if (size == 0 || *idx == size)
1355: return (NULL);
1356: (*idx)++;
1357: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1358: }
1359:
1360: /* Get next line from the history. */
1361: const char *
1362: status_prompt_down_history(u_int *idx)
1363: {
1364: u_int size;
1365:
1366: size = ARRAY_LENGTH(&status_prompt_history);
1367: if (size == 0 || *idx == 0)
1368: return ("");
1369: (*idx)--;
1370: if (*idx == 0)
1371: return ("");
1372: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1373: }
1374:
1.1 nicm 1375: /* Add line to the history. */
1376: void
1.65 nicm 1377: status_prompt_add_history(const char *line)
1.1 nicm 1378: {
1.65 nicm 1379: u_int size;
1380:
1381: size = ARRAY_LENGTH(&status_prompt_history);
1382: if (size > 0 && strcmp(ARRAY_LAST(&status_prompt_history), line) == 0)
1.1 nicm 1383: return;
1384:
1.65 nicm 1385: if (size == PROMPT_HISTORY) {
1386: xfree(ARRAY_FIRST(&status_prompt_history));
1387: ARRAY_REMOVE(&status_prompt_history, 0);
1.1 nicm 1388: }
1389:
1.65 nicm 1390: ARRAY_ADD(&status_prompt_history, xstrdup(line));
1.1 nicm 1391: }
1392:
1393: /* Complete word. */
1394: char *
1395: status_prompt_complete(const char *s)
1396: {
1.69 nicm 1397: const struct cmd_entry **cmdent;
1398: const struct options_table_entry *oe;
1399: ARRAY_DECL(, const char *) list;
1400: char *prefix, *s2;
1401: u_int i;
1402: size_t j;
1.1 nicm 1403:
1404: if (*s == '\0')
1405: return (NULL);
1406:
1407: /* First, build a list of all the possible matches. */
1408: ARRAY_INIT(&list);
1409: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1410: if (strncmp((*cmdent)->name, s, strlen(s)) == 0)
1411: ARRAY_ADD(&list, (*cmdent)->name);
1.56 nicm 1412: }
1.69 nicm 1413: for (oe = server_options_table; oe->name != NULL; oe++) {
1414: if (strncmp(oe->name, s, strlen(s)) == 0)
1415: ARRAY_ADD(&list, oe->name);
1416: }
1417: for (oe = session_options_table; oe->name != NULL; oe++) {
1418: if (strncmp(oe->name, s, strlen(s)) == 0)
1419: ARRAY_ADD(&list, oe->name);
1420: }
1421: for (oe = window_options_table; oe->name != NULL; oe++) {
1422: if (strncmp(oe->name, s, strlen(s)) == 0)
1423: ARRAY_ADD(&list, oe->name);
1.1 nicm 1424: }
1425:
1426: /* If none, bail now. */
1427: if (ARRAY_LENGTH(&list) == 0) {
1428: ARRAY_FREE(&list);
1429: return (NULL);
1430: }
1431:
1432: /* If an exact match, return it, with a trailing space. */
1433: if (ARRAY_LENGTH(&list) == 1) {
1434: xasprintf(&s2, "%s ", ARRAY_FIRST(&list));
1435: ARRAY_FREE(&list);
1436: return (s2);
1437: }
1438:
1439: /* Now loop through the list and find the longest common prefix. */
1440: prefix = xstrdup(ARRAY_FIRST(&list));
1441: for (i = 1; i < ARRAY_LENGTH(&list); i++) {
1442: s = ARRAY_ITEM(&list, i);
1443:
1444: j = strlen(s);
1445: if (j > strlen(prefix))
1446: j = strlen(prefix);
1447: for (; j > 0; j--) {
1448: if (prefix[j - 1] != s[j - 1])
1449: prefix[j - 1] = '\0';
1450: }
1451: }
1452:
1453: ARRAY_FREE(&list);
1454: return (prefix);
1455: }
![[BACK]](/icons/back.gif){kind=icon}
Return to status.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / tmux