Annotation of src/usr.bin/tmux/status.c, Revision 1.58
1.58 ! nicm 1: /* $OpenBSD: status.c,v 1.57 2010/01/26 21:36:53 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 *);
1.38 nicm 36: char *status_job(struct client *, char **);
37: void status_job_callback(struct job *);
1.47 nicm 38: size_t status_width(struct client *, struct winlink *, time_t);
39: char *status_print(
1.55 nicm 40: struct client *, struct winlink *, time_t, struct grid_cell *);
1.47 nicm 41: void status_replace1(struct client *,
1.55 nicm 42: struct winlink *, char **, char **, char *, size_t, int);
1.42 nicm 43: void status_message_callback(int, short, void *);
1.1 nicm 44:
45: void status_prompt_add_history(struct client *);
46: char *status_prompt_complete(const char *);
47:
1.48 nicm 48: /* Retrieve options for left string. */
49: char *
50: status_redraw_get_left(struct client *c,
51: time_t t, int utf8flag, struct grid_cell *gc, size_t *size)
52: {
53: struct session *s = c->session;
54: char *left;
55: u_char fg, bg, attr;
56: size_t leftlen;
57:
58: fg = options_get_number(&s->options, "status-left-fg");
59: if (fg != 8)
60: colour_set_fg(gc, fg);
61: bg = options_get_number(&s->options, "status-left-bg");
62: if (bg != 8)
63: colour_set_bg(gc, bg);
64: attr = options_get_number(&s->options, "status-left-attr");
65: if (attr != 0)
66: gc->attr = attr;
67:
68: left = status_replace(
69: c, NULL, options_get_string(&s->options, "status-left"), t, 1);
70:
71: *size = options_get_number(&s->options, "status-left-length");
72: leftlen = screen_write_cstrlen(utf8flag, "%s", left);
73: if (leftlen < *size)
74: *size = leftlen;
75: return (left);
76: }
77:
78: /* Retrieve options for right string. */
79: char *
80: status_redraw_get_right(struct client *c,
81: time_t t, int utf8flag, struct grid_cell *gc, size_t *size)
82: {
83: struct session *s = c->session;
84: char *right;
85: u_char fg, bg, attr;
86: size_t rightlen;
87:
88: fg = options_get_number(&s->options, "status-right-fg");
89: if (fg != 8)
90: colour_set_fg(gc, fg);
91: bg = options_get_number(&s->options, "status-right-bg");
92: if (bg != 8)
93: colour_set_bg(gc, bg);
94: attr = options_get_number(&s->options, "status-right-attr");
95: if (attr != 0)
96: gc->attr = attr;
97:
98: right = status_replace(
99: c, NULL, options_get_string(&s->options, "status-right"), t, 1);
100:
101: *size = options_get_number(&s->options, "status-right-length");
102: rightlen = screen_write_cstrlen(utf8flag, "%s", right);
103: if (rightlen < *size)
104: *size = rightlen;
105: return (right);
106: }
107:
1.1 nicm 108: /* Draw status for client on the last lines of given context. */
109: int
110: status_redraw(struct client *c)
111: {
1.48 nicm 112: struct screen_write_ctx ctx;
113: struct session *s = c->session;
114: struct winlink *wl;
115: struct screen old_status, window_list;
116: struct grid_cell stdgc, lgc, rgc, gc;
117: time_t t;
118: char *left, *right;
119: u_int offset, needed;
120: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
121: size_t llen, rlen;
122: int larrow, rarrow, utf8flag;
1.1 nicm 123:
1.49 nicm 124: /* No status line? */
1.7 nicm 125: if (c->tty.sy == 0 || !options_get_number(&s->options, "status"))
126: return (1);
1.48 nicm 127: left = right = NULL;
1.7 nicm 128: larrow = rarrow = 0;
1.1 nicm 129:
1.48 nicm 130: /* Update status timer. */
1.1 nicm 131: if (gettimeofday(&c->status_timer, NULL) != 0)
1.34 nicm 132: fatal("gettimeofday failed");
1.48 nicm 133: t = c->status_timer.tv_sec;
134:
135: /* Set up default colour. */
1.1 nicm 136: memcpy(&stdgc, &grid_default_cell, sizeof gc);
1.33 nicm 137: colour_set_fg(&stdgc, options_get_number(&s->options, "status-fg"));
138: colour_set_bg(&stdgc, options_get_number(&s->options, "status-bg"));
1.1 nicm 139: stdgc.attr |= options_get_number(&s->options, "status-attr");
140:
1.48 nicm 141: /* Create the target screen. */
142: memcpy(&old_status, &c->status, sizeof old_status);
143: screen_init(&c->status, c->tty.sx, 1, 0);
144: screen_write_start(&ctx, NULL, &c->status);
145: for (offset = 0; offset < c->tty.sx; offset++)
146: screen_write_putc(&ctx, &stdgc, ' ');
147: screen_write_stop(&ctx);
148:
149: /* If the height is one line, blank status line. */
150: if (c->tty.sy <= 1)
151: goto out;
1.1 nicm 152:
1.48 nicm 153: /* Get UTF-8 flag. */
1.3 nicm 154: utf8flag = options_get_number(&s->options, "status-utf8");
155:
1.48 nicm 156: /* Work out left and right strings. */
157: memcpy(&lgc, &stdgc, sizeof lgc);
158: left = status_redraw_get_left(c, t, utf8flag, &lgc, &llen);
159: memcpy(&rgc, &stdgc, sizeof rgc);
160: right = status_redraw_get_right(c, t, utf8flag, &rgc, &rlen);
1.1 nicm 161:
162: /*
1.48 nicm 163: * Figure out how much space we have for the window list. If there
164: * isn't enough space, just show a blank status line.
1.1 nicm 165: */
1.55 nicm 166: needed = 0;
1.1 nicm 167: if (llen != 0)
1.48 nicm 168: needed += llen + 1;
1.1 nicm 169: if (rlen != 0)
1.48 nicm 170: needed += rlen + 1;
171: if (c->tty.sx == 0 || c->tty.sx <= needed)
172: goto out;
173: wlavailable = c->tty.sx - needed;
1.1 nicm 174:
1.48 nicm 175: /* Calculate the total size needed for the window list. */
176: wlstart = wloffset = wlwidth = 0;
1.1 nicm 177: RB_FOREACH(wl, winlinks, &s->windows) {
1.48 nicm 178: if (wl->status_text != NULL)
179: xfree(wl->status_text);
180: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
181: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.55 nicm 182: wl->status_width =
1.48 nicm 183: screen_write_cstrlen(utf8flag, "%s", wl->status_text);
184:
1.1 nicm 185: if (wl == s->curw)
1.48 nicm 186: wloffset = wlwidth;
187: wlwidth += wl->status_width + 1;
188: }
189:
190: /* Create a new screen for the window list. */
191: screen_init(&window_list, wlwidth, 1, 0);
192:
193: /* And draw the window list into it. */
194: screen_write_start(&ctx, NULL, &window_list);
195: RB_FOREACH(wl, winlinks, &s->windows) {
1.55 nicm 196: screen_write_cnputs(&ctx,
1.48 nicm 197: -1, &wl->status_cell, utf8flag, "%s", wl->status_text);
198: screen_write_putc(&ctx, &stdgc, ' ');
1.1 nicm 199: }
1.48 nicm 200: screen_write_stop(&ctx);
1.1 nicm 201:
1.48 nicm 202: /* If there is enough space for the total width, skip to draw now. */
203: if (wlwidth <= wlavailable)
1.1 nicm 204: goto draw;
205:
206: /* Find size of current window text. */
1.48 nicm 207: wlsize = s->curw->status_width;
1.1 nicm 208:
209: /*
1.48 nicm 210: * If the current window is already on screen, good to draw from the
1.1 nicm 211: * start and just leave off the end.
212: */
1.48 nicm 213: if (wloffset + wlsize < wlavailable) {
214: if (wlavailable > 0) {
215: rarrow = 1;
216: wlavailable--;
217: }
218: wlwidth = wlavailable;
219: } else {
220: /*
221: * Work out how many characters we need to omit from the
222: * start. There are wlavailable characters to fill, and
223: * wloffset + wlsize must be the last. So, the start character
224: * is wloffset + wlsize - wlavailable.
225: */
226: if (wlavailable > 0) {
227: larrow = 1;
228: wlavailable--;
229: }
1.55 nicm 230:
1.48 nicm 231: wlstart = wloffset + wlsize - wlavailable;
232: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 233: rarrow = 1;
1.48 nicm 234: wlstart++;
235: wlavailable--;
1.1 nicm 236: }
1.48 nicm 237: wlwidth = wlavailable;
238: }
1.1 nicm 239:
1.48 nicm 240: /* Bail if anything is now too small too. */
241: if (wlwidth == 0 || wlavailable == 0) {
242: screen_free(&window_list);
243: goto out;
1.1 nicm 244: }
245:
246: /*
1.48 nicm 247: * Now the start position is known, work out the state of the left and
248: * right arrows.
1.1 nicm 249: */
250: offset = 0;
251: RB_FOREACH(wl, winlinks, &s->windows) {
1.48 nicm 252: if (larrow == 1 && offset < wlstart) {
1.1 nicm 253: if (session_alert_has(s, wl, WINDOW_ACTIVITY))
254: larrow = -1;
255: else if (session_alert_has(s, wl, WINDOW_BELL))
256: larrow = -1;
257: else if (session_alert_has(s, wl, WINDOW_CONTENT))
258: larrow = -1;
259: }
260:
1.48 nicm 261: offset += wl->status_width;
1.1 nicm 262:
1.48 nicm 263: if (rarrow == 1 && offset > wlstart + wlwidth) {
1.1 nicm 264: if (session_alert_has(s, wl, WINDOW_ACTIVITY))
265: rarrow = -1;
266: else if (session_alert_has(s, wl, WINDOW_BELL))
267: rarrow = -1;
268: else if (session_alert_has(s, wl, WINDOW_CONTENT))
269: rarrow = -1;
270: }
271: }
272:
1.48 nicm 273: draw:
1.55 nicm 274: /* Begin drawing. */
1.48 nicm 275: screen_write_start(&ctx, NULL, &c->status);
1.1 nicm 276:
1.48 nicm 277: /* Draw the left string and arrow. */
278: screen_write_cursormove(&ctx, 0, 0);
279: if (llen != 0) {
280: screen_write_cnputs(&ctx, llen, &lgc, utf8flag, "%s", left);
1.5 nicm 281: screen_write_putc(&ctx, &stdgc, ' ');
1.1 nicm 282: }
283: if (larrow != 0) {
284: memcpy(&gc, &stdgc, sizeof gc);
285: if (larrow == -1)
286: gc.attr ^= GRID_ATTR_REVERSE;
287: screen_write_putc(&ctx, &gc, '<');
288: }
1.48 nicm 289:
290: /* Draw the right string and arrow. */
1.1 nicm 291: if (rarrow != 0) {
1.48 nicm 292: screen_write_cursormove(&ctx, c->tty.sx - rlen - 2, 0);
1.1 nicm 293: memcpy(&gc, &stdgc, sizeof gc);
294: if (rarrow == -1)
295: gc.attr ^= GRID_ATTR_REVERSE;
296: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 297: } else
298: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
299: if (rlen != 0) {
300: screen_write_putc(&ctx, &stdgc, ' ');
301: screen_write_cnputs(&ctx, rlen, &rgc, utf8flag, "%s", right);
1.1 nicm 302: }
303:
1.48 nicm 304: /* Figure out the offset for the window list. */
1.58 ! nicm 305: if (llen != 0)
! 306: wloffset = llen + 1;
! 307: else
! 308: wloffset = 0;
1.48 nicm 309: if (wlwidth < wlavailable) {
310: switch (options_get_number(&s->options, "status-justify")) {
311: case 1: /* centered */
1.58 ! nicm 312: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 313: break;
314: case 2: /* right */
1.58 ! nicm 315: wloffset += (wlavailable - wlwidth);
1.48 nicm 316: break;
317: }
318: }
319: if (larrow != 0)
320: wloffset++;
321:
322: /* Copy the window list. */
323: screen_write_cursormove(&ctx, wloffset, 0);
324: screen_write_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 325: screen_free(&window_list);
1.1 nicm 326:
1.48 nicm 327: screen_write_stop(&ctx);
1.1 nicm 328:
329: out:
330: if (left != NULL)
331: xfree(left);
332: if (right != NULL)
333: xfree(right);
334:
335: if (grid_compare(c->status.grid, old_status.grid) == 0) {
336: screen_free(&old_status);
337: return (0);
338: }
339: screen_free(&old_status);
340: return (1);
341: }
342:
1.46 nicm 343: /* Replace a single special sequence (prefixed by #). */
344: void
1.47 nicm 345: status_replace1(struct client *c,struct winlink *wl,
1.46 nicm 346: char **iptr, char **optr, char *out, size_t outsize, int jobsflag)
1.1 nicm 347: {
1.38 nicm 348: struct session *s = c->session;
1.46 nicm 349: char ch, tmp[256], *ptr, *endptr, *freeptr;
350: size_t ptrlen;
351: long limit;
352:
1.47 nicm 353: if (wl == NULL)
354: wl = s->curw;
355:
1.46 nicm 356: errno = 0;
357: limit = strtol(*iptr, &endptr, 10);
358: if ((limit == 0 && errno != EINVAL) ||
359: (limit == LONG_MIN && errno != ERANGE) ||
1.55 nicm 360: (limit == LONG_MAX && errno != ERANGE) ||
1.46 nicm 361: limit != 0)
362: *iptr = endptr;
363: if (limit <= 0)
364: limit = LONG_MAX;
365:
366: freeptr = NULL;
367:
368: switch (*(*iptr)++) {
369: case '(':
370: if (!jobsflag) {
371: ch = ')';
372: goto skip_to;
373: }
374: if ((ptr = status_job(c, iptr)) == NULL)
375: return;
376: freeptr = ptr;
377: goto do_replace;
378: case 'H':
379: if (gethostname(tmp, sizeof tmp) != 0)
380: fatal("gethostname failed");
381: ptr = tmp;
382: goto do_replace;
383: case 'I':
384: xsnprintf(tmp, sizeof tmp, "%d", wl->idx);
385: ptr = tmp;
386: goto do_replace;
387: case 'P':
388: xsnprintf(tmp, sizeof tmp, "%u",
389: window_pane_index(wl->window, wl->window->active));
390: ptr = tmp;
391: goto do_replace;
392: case 'S':
393: ptr = s->name;
394: goto do_replace;
395: case 'T':
396: ptr = wl->window->active->base.title;
397: goto do_replace;
398: case 'W':
399: ptr = wl->window->name;
400: goto do_replace;
1.47 nicm 401: case 'F':
402: tmp[0] = ' ';
403: if (session_alert_has(s, wl, WINDOW_CONTENT))
404: tmp[0] = '+';
405: else if (session_alert_has(s, wl, WINDOW_BELL))
406: tmp[0] = '!';
407: else if (session_alert_has(s, wl, WINDOW_ACTIVITY))
408: tmp[0] = '#';
409: else if (wl == s->curw)
410: tmp[0] = '*';
411: else if (wl == TAILQ_FIRST(&s->lastw))
412: tmp[0] = '-';
413: tmp[1] = '\0';
414: ptr = tmp;
415: goto do_replace;
1.46 nicm 416: case '[':
1.55 nicm 417: /*
1.46 nicm 418: * Embedded style, handled at display time. Leave present and
419: * skip input until ].
420: */
421: ch = ']';
422: goto skip_to;
423: case '#':
1.49 nicm 424: *(*optr)++ = '#';
1.46 nicm 425: break;
426: }
427:
428: return;
1.55 nicm 429:
1.46 nicm 430: do_replace:
431: ptrlen = strlen(ptr);
432: if ((size_t) limit < ptrlen)
433: ptrlen = limit;
434:
435: if (*optr + ptrlen >= out + outsize - 1)
436: return;
437: while (ptrlen > 0 && *ptr != '\0') {
438: *(*optr)++ = *ptr++;
439: ptrlen--;
440: }
441:
442: if (freeptr != NULL)
443: xfree(freeptr);
444: return;
445:
446: skip_to:
447: *(*optr)++ = '#';
448:
449: (*iptr)--; /* include ch */
450: while (**iptr != ch && **iptr != '\0') {
451: if (*optr >= out + outsize - 1)
452: break;
453: *(*optr)++ = *(*iptr)++;
454: }
455: }
456:
457: /* Replace special sequences in fmt. */
458: char *
1.47 nicm 459: status_replace(struct client *c,
460: struct winlink *wl, const char *fmt, time_t t, int jobsflag)
1.46 nicm 461: {
1.1 nicm 462: static char out[BUFSIZ];
1.46 nicm 463: char in[BUFSIZ], ch, *iptr, *optr;
1.47 nicm 464:
1.1 nicm 465: strftime(in, sizeof in, fmt, localtime(&t));
466: in[(sizeof in) - 1] = '\0';
467:
468: iptr = in;
469: optr = out;
470:
471: while (*iptr != '\0') {
472: if (optr >= out + (sizeof out) - 1)
473: break;
1.46 nicm 474: ch = *iptr++;
475:
476: if (ch != '#') {
1.1 nicm 477: *optr++ = ch;
1.46 nicm 478: continue;
1.1 nicm 479: }
1.47 nicm 480: status_replace1(c, wl, &iptr, &optr, out, sizeof out, jobsflag);
1.1 nicm 481: }
482: *optr = '\0';
483:
484: return (xstrdup(out));
485: }
486:
1.46 nicm 487: /* Figure out job name and get its result, starting it off if necessary. */
1.1 nicm 488: char *
1.38 nicm 489: status_job(struct client *c, char **iptr)
1.1 nicm 490: {
1.38 nicm 491: struct job *job;
1.40 nicm 492: char *cmd;
1.38 nicm 493: int lastesc;
494: size_t len;
1.1 nicm 495:
496: if (**iptr == '\0')
497: return (NULL);
498: if (**iptr == ')') { /* no command given */
499: (*iptr)++;
500: return (NULL);
501: }
502:
503: cmd = xmalloc(strlen(*iptr) + 1);
504: len = 0;
505:
506: lastesc = 0;
507: for (; **iptr != '\0'; (*iptr)++) {
508: if (!lastesc && **iptr == ')')
509: break; /* unescaped ) is the end */
510: if (!lastesc && **iptr == '\\') {
511: lastesc = 1;
512: continue; /* skip \ if not escaped */
513: }
514: lastesc = 0;
515: cmd[len++] = **iptr;
516: }
1.38 nicm 517: if (**iptr == '\0') /* no terminating ) */ {
518: xfree(cmd);
519: return (NULL);
520: }
1.1 nicm 521: (*iptr)++; /* skip final ) */
522: cmd[len] = '\0';
523:
1.38 nicm 524: job = job_get(&c->status_jobs, cmd);
525: if (job == NULL) {
1.39 nicm 526: job = job_add(&c->status_jobs,
527: JOB_PERSIST, c, cmd, status_job_callback, xfree, NULL);
1.38 nicm 528: job_run(job);
529: }
530: if (job->data == NULL)
531: return (xstrdup(""));
532: return (xstrdup(job->data));
533: }
1.1 nicm 534:
1.46 nicm 535: /* Job has finished: save its result. */
1.38 nicm 536: void
537: status_job_callback(struct job *job)
538: {
1.41 nicm 539: char *line, *buf;
1.38 nicm 540: size_t len;
541:
1.41 nicm 542: buf = NULL;
543: if ((line = evbuffer_readline(job->event->input)) == NULL) {
544: len = EVBUFFER_LENGTH(job->event->input);
545: buf = xmalloc(len + 1);
546: if (len != 0)
547: memcpy(buf, EVBUFFER_DATA(job->event->input), len);
548: buf[len] = '\0';
549: }
1.38 nicm 550:
551: if (job->data != NULL)
552: xfree(job->data);
553: else
554: server_redraw_client(job->client);
1.1 nicm 555:
1.57 nicm 556: if (line == NULL)
557: job->data = buf;
558: else
559: job->data = xstrdup(line);
1.1 nicm 560: }
561:
1.46 nicm 562: /* Calculate winlink status line entry width. */
1.1 nicm 563: size_t
1.47 nicm 564: status_width(struct client *c, struct winlink *wl, time_t t)
1.1 nicm 565: {
1.47 nicm 566: struct options *oo = &wl->window->options;
567: struct session *s = c->session;
568: const char *fmt;
569: char *text;
570: size_t size;
571: int utf8flag;
572:
573: utf8flag = options_get_number(&s->options, "status-utf8");
574:
575: fmt = options_get_string(&wl->window->options, "window-status-format");
576: if (wl == s->curw)
577: fmt = options_get_string(oo, "window-status-current-format");
578:
579: text = status_replace(c, wl, fmt, t, 1);
580: size = screen_write_cstrlen(utf8flag, "%s", text);
581: xfree(text);
582:
583: return (size);
1.1 nicm 584: }
585:
1.46 nicm 586: /* Return winlink status line entry and adjust gc as necessary. */
1.1 nicm 587: char *
1.47 nicm 588: status_print(
589: struct client *c, struct winlink *wl, time_t t, struct grid_cell *gc)
1.1 nicm 590: {
1.33 nicm 591: struct options *oo = &wl->window->options;
1.47 nicm 592: struct session *s = c->session;
593: const char *fmt;
594: char *text;
1.33 nicm 595: u_char fg, bg, attr;
1.1 nicm 596:
1.33 nicm 597: fg = options_get_number(oo, "window-status-fg");
1.1 nicm 598: if (fg != 8)
1.33 nicm 599: colour_set_fg(gc, fg);
600: bg = options_get_number(oo, "window-status-bg");
1.1 nicm 601: if (bg != 8)
1.33 nicm 602: colour_set_bg(gc, bg);
603: attr = options_get_number(oo, "window-status-attr");
1.1 nicm 604: if (attr != 0)
605: gc->attr = attr;
1.47 nicm 606: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 607: if (wl == s->curw) {
1.33 nicm 608: fg = options_get_number(oo, "window-status-current-fg");
1.14 nicm 609: if (fg != 8)
1.33 nicm 610: colour_set_fg(gc, fg);
611: bg = options_get_number(oo, "window-status-current-bg");
1.14 nicm 612: if (bg != 8)
1.33 nicm 613: colour_set_bg(gc, bg);
614: attr = options_get_number(oo, "window-status-current-attr");
1.14 nicm 615: if (attr != 0)
616: gc->attr = attr;
1.47 nicm 617: fmt = options_get_string(oo, "window-status-current-format");
1.14 nicm 618: }
1.1 nicm 619:
1.47 nicm 620: if (session_alert_has(s, wl, WINDOW_ACTIVITY) ||
621: session_alert_has(s, wl, WINDOW_BELL) ||
622: session_alert_has(s, wl, WINDOW_CONTENT))
1.1 nicm 623: gc->attr ^= GRID_ATTR_REVERSE;
624:
1.47 nicm 625: text = status_replace(c, wl, fmt, t, 1);
1.1 nicm 626: return (text);
627: }
628:
1.46 nicm 629: /* Set a status line message. */
1.10 nicm 630: void printflike2
631: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 632: {
1.44 nicm 633: struct timeval tv;
634: struct session *s = c->session;
635: struct message_entry *msg;
636: va_list ap;
637: int delay;
638: u_int i, limit;
1.1 nicm 639:
1.12 nicm 640: status_prompt_clear(c);
641: status_message_clear(c);
642:
1.28 nicm 643: va_start(ap, fmt);
644: xvasprintf(&c->message_string, fmt, ap);
645: va_end(ap);
646:
1.44 nicm 647: ARRAY_EXPAND(&c->message_log, 1);
648: msg = &ARRAY_LAST(&c->message_log);
649: msg->msg_time = time(NULL);
650: msg->msg = xstrdup(c->message_string);
651:
652: if (s == NULL)
653: limit = 0;
654: else
655: limit = options_get_number(&s->options, "message-limit");
1.50 nicm 656: if (ARRAY_LENGTH(&c->message_log) > limit) {
657: limit = ARRAY_LENGTH(&c->message_log) - limit;
658: for (i = 0; i < limit; i++) {
659: msg = &ARRAY_FIRST(&c->message_log);
660: xfree(msg->msg);
661: ARRAY_REMOVE(&c->message_log, 0);
662: }
1.44 nicm 663: }
664:
1.1 nicm 665: delay = options_get_number(&c->session->options, "display-time");
666: tv.tv_sec = delay / 1000;
667: tv.tv_usec = (delay % 1000) * 1000L;
1.44 nicm 668:
1.42 nicm 669: evtimer_del(&c->message_timer);
670: evtimer_set(&c->message_timer, status_message_callback, c);
671: evtimer_add(&c->message_timer, &tv);
1.1 nicm 672:
673: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
674: c->flags |= CLIENT_STATUS;
675: }
676:
1.46 nicm 677: /* Clear status line message. */
1.1 nicm 678: void
679: status_message_clear(struct client *c)
680: {
681: if (c->message_string == NULL)
682: return;
683:
684: xfree(c->message_string);
685: c->message_string = NULL;
686:
687: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 688: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 689:
690: screen_reinit(&c->status);
1.42 nicm 691: }
692:
1.46 nicm 693: /* Clear status line message after timer expires. */
1.52 nicm 694: /* ARGSUSED */
1.42 nicm 695: void
696: status_message_callback(unused int fd, unused short event, void *data)
697: {
698: struct client *c = data;
699:
700: status_message_clear(c);
1.1 nicm 701: }
702:
703: /* Draw client message on status line of present else on last line. */
704: int
705: status_message_redraw(struct client *c)
706: {
707: struct screen_write_ctx ctx;
708: struct session *s = c->session;
709: struct screen old_status;
710: size_t len;
711: struct grid_cell gc;
1.51 nicm 712: int utf8flag;
1.1 nicm 713:
714: if (c->tty.sx == 0 || c->tty.sy == 0)
715: return (0);
716: memcpy(&old_status, &c->status, sizeof old_status);
717: screen_init(&c->status, c->tty.sx, 1, 0);
718:
1.51 nicm 719: utf8flag = options_get_number(&s->options, "status-utf8");
720:
721: len = screen_write_strlen(utf8flag, "%s", c->message_string);
1.1 nicm 722: if (len > c->tty.sx)
723: len = c->tty.sx;
724:
725: memcpy(&gc, &grid_default_cell, sizeof gc);
1.33 nicm 726: colour_set_fg(&gc, options_get_number(&s->options, "message-fg"));
727: colour_set_bg(&gc, options_get_number(&s->options, "message-bg"));
1.1 nicm 728: gc.attr |= options_get_number(&s->options, "message-attr");
729:
730: screen_write_start(&ctx, NULL, &c->status);
731:
732: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 733: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->message_string);
1.1 nicm 734: for (; len < c->tty.sx; len++)
735: screen_write_putc(&ctx, &gc, ' ');
736:
737: screen_write_stop(&ctx);
738:
739: if (grid_compare(c->status.grid, old_status.grid) == 0) {
740: screen_free(&old_status);
741: return (0);
742: }
743: screen_free(&old_status);
744: return (1);
745: }
746:
1.46 nicm 747: /* Enable status line prompt. */
1.1 nicm 748: void
1.12 nicm 749: status_prompt_set(struct client *c, const char *msg,
750: int (*callbackfn)(void *, const char *), void (*freefn)(void *),
751: void *data, int flags)
1.1 nicm 752: {
1.20 nicm 753: int keys;
754:
1.12 nicm 755: status_message_clear(c);
756: status_prompt_clear(c);
757:
1.1 nicm 758: c->prompt_string = xstrdup(msg);
759:
760: c->prompt_buffer = xstrdup("");
761: c->prompt_index = 0;
762:
1.12 nicm 763: c->prompt_callbackfn = callbackfn;
764: c->prompt_freefn = freefn;
1.1 nicm 765: c->prompt_data = data;
766:
767: c->prompt_hindex = 0;
768:
769: c->prompt_flags = flags;
770:
1.20 nicm 771: keys = options_get_number(&c->session->options, "status-keys");
772: if (keys == MODEKEY_EMACS)
1.21 nicm 773: mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
1.20 nicm 774: else
1.21 nicm 775: mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
1.1 nicm 776:
777: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
778: c->flags |= CLIENT_STATUS;
779: }
780:
1.46 nicm 781: /* Remove status line prompt. */
1.1 nicm 782: void
783: status_prompt_clear(struct client *c)
784: {
1.55 nicm 785: if (c->prompt_string == NULL)
1.1 nicm 786: return;
787:
1.12 nicm 788: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
789: c->prompt_freefn(c->prompt_data);
1.1 nicm 790:
791: xfree(c->prompt_string);
792: c->prompt_string = NULL;
793:
794: xfree(c->prompt_buffer);
795: c->prompt_buffer = NULL;
796:
797: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 798: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 799:
800: screen_reinit(&c->status);
1.27 nicm 801: }
802:
1.46 nicm 803: /* Update status line prompt with a new prompt string. */
1.27 nicm 804: void
805: status_prompt_update(struct client *c, const char *msg)
806: {
807: xfree(c->prompt_string);
808: c->prompt_string = xstrdup(msg);
809:
810: *c->prompt_buffer = '\0';
811: c->prompt_index = 0;
812:
813: c->prompt_hindex = 0;
814:
815: c->flags |= CLIENT_STATUS;
1.1 nicm 816: }
817:
818: /* Draw client prompt on status line of present else on last line. */
819: int
820: status_prompt_redraw(struct client *c)
821: {
1.51 nicm 822: struct screen_write_ctx ctx;
1.1 nicm 823: struct session *s = c->session;
824: struct screen old_status;
1.29 nicm 825: size_t i, size, left, len, off;
1.51 nicm 826: struct grid_cell gc, *gcp;
827: int utf8flag;
1.1 nicm 828:
829: if (c->tty.sx == 0 || c->tty.sy == 0)
830: return (0);
831: memcpy(&old_status, &c->status, sizeof old_status);
832: screen_init(&c->status, c->tty.sx, 1, 0);
833:
1.51 nicm 834: utf8flag = options_get_number(&s->options, "status-utf8");
835:
836: len = screen_write_strlen(utf8flag, "%s", c->prompt_string);
1.1 nicm 837: if (len > c->tty.sx)
838: len = c->tty.sx;
1.51 nicm 839: off = 0;
1.1 nicm 840:
841: memcpy(&gc, &grid_default_cell, sizeof gc);
1.33 nicm 842: colour_set_fg(&gc, options_get_number(&s->options, "message-fg"));
843: colour_set_bg(&gc, options_get_number(&s->options, "message-bg"));
1.1 nicm 844: gc.attr |= options_get_number(&s->options, "message-attr");
845:
846: screen_write_start(&ctx, NULL, &c->status);
847:
848: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 849: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->prompt_string);
1.1 nicm 850:
851: left = c->tty.sx - len;
852: if (left != 0) {
1.51 nicm 853: size = screen_write_strlen(utf8flag, "%s", c->prompt_buffer);
854: if (c->prompt_index >= left) {
1.17 nicm 855: off = c->prompt_index - left + 1;
1.51 nicm 856: if (c->prompt_index == size)
1.1 nicm 857: left--;
858: size = left;
859: }
1.51 nicm 860: screen_write_nputs(
861: &ctx, left, &gc, utf8flag, "%s", c->prompt_buffer + off);
1.1 nicm 862:
1.55 nicm 863: for (i = len + size; i < c->tty.sx; i++)
864: screen_write_putc(&ctx, &gc, ' ');
1.1 nicm 865: }
866:
867: screen_write_stop(&ctx);
1.51 nicm 868:
869: /* Apply fake cursor. */
870: off = len + c->prompt_index - off;
871: gcp = grid_view_get_cell(c->status.grid, off, 0);
872: gcp->attr ^= GRID_ATTR_REVERSE;
1.1 nicm 873:
874: if (grid_compare(c->status.grid, old_status.grid) == 0) {
875: screen_free(&old_status);
876: return (0);
877: }
878: screen_free(&old_status);
879: return (1);
880: }
881:
882: /* Handle keys in prompt. */
883: void
884: status_prompt_key(struct client *c, int key)
885: {
886: struct paste_buffer *pb;
1.30 nicm 887: char *s, *first, *last, word[64], swapc;
1.53 nicm 888: u_char ch;
1.1 nicm 889: size_t size, n, off, idx;
890:
891: size = strlen(c->prompt_buffer);
892: switch (mode_key_lookup(&c->prompt_mdata, key)) {
1.20 nicm 893: case MODEKEYEDIT_CURSORLEFT:
1.1 nicm 894: if (c->prompt_index > 0) {
895: c->prompt_index--;
896: c->flags |= CLIENT_STATUS;
897: }
898: break;
1.20 nicm 899: case MODEKEYEDIT_SWITCHMODEAPPEND:
900: case MODEKEYEDIT_CURSORRIGHT:
1.1 nicm 901: if (c->prompt_index < size) {
902: c->prompt_index++;
903: c->flags |= CLIENT_STATUS;
904: }
905: break;
1.20 nicm 906: case MODEKEYEDIT_STARTOFLINE:
1.1 nicm 907: if (c->prompt_index != 0) {
908: c->prompt_index = 0;
909: c->flags |= CLIENT_STATUS;
910: }
911: break;
1.20 nicm 912: case MODEKEYEDIT_ENDOFLINE:
1.1 nicm 913: if (c->prompt_index != size) {
914: c->prompt_index = size;
915: c->flags |= CLIENT_STATUS;
916: }
917: break;
1.20 nicm 918: case MODEKEYEDIT_COMPLETE:
1.1 nicm 919: if (*c->prompt_buffer == '\0')
920: break;
921:
922: idx = c->prompt_index;
923: if (idx != 0)
924: idx--;
925:
926: /* Find the word we are in. */
927: first = c->prompt_buffer + idx;
928: while (first > c->prompt_buffer && *first != ' ')
929: first--;
930: while (*first == ' ')
931: first++;
932: last = c->prompt_buffer + idx;
933: while (*last != '\0' && *last != ' ')
934: last++;
935: while (*last == ' ')
936: last--;
937: if (*last != '\0')
938: last++;
939: if (last <= first ||
940: ((size_t) (last - first)) > (sizeof word) - 1)
941: break;
942: memcpy(word, first, last - first);
943: word[last - first] = '\0';
944:
945: /* And try to complete it. */
946: if ((s = status_prompt_complete(word)) == NULL)
947: break;
948:
949: /* Trim out word. */
950: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
951: memmove(first, last, n);
952: size -= last - first;
953:
954: /* Insert the new word. */
1.55 nicm 955: size += strlen(s);
1.1 nicm 956: off = first - c->prompt_buffer;
1.55 nicm 957: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 1);
1.1 nicm 958: first = c->prompt_buffer + off;
1.55 nicm 959: memmove(first + strlen(s), first, n);
960: memcpy(first, s, strlen(s));
1.1 nicm 961:
962: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.22 nicm 963: xfree(s);
1.1 nicm 964:
965: c->flags |= CLIENT_STATUS;
966: break;
1.20 nicm 967: case MODEKEYEDIT_BACKSPACE:
1.1 nicm 968: if (c->prompt_index != 0) {
969: if (c->prompt_index == size)
970: c->prompt_buffer[--c->prompt_index] = '\0';
971: else {
972: memmove(c->prompt_buffer + c->prompt_index - 1,
973: c->prompt_buffer + c->prompt_index,
974: size + 1 - c->prompt_index);
975: c->prompt_index--;
976: }
977: c->flags |= CLIENT_STATUS;
978: }
979: break;
1.55 nicm 980: case MODEKEYEDIT_DELETE:
1.1 nicm 981: if (c->prompt_index != size) {
982: memmove(c->prompt_buffer + c->prompt_index,
983: c->prompt_buffer + c->prompt_index + 1,
984: size + 1 - c->prompt_index);
1.18 nicm 985: c->flags |= CLIENT_STATUS;
986: }
1.26 nicm 987: break;
988: case MODEKEYEDIT_DELETELINE:
989: *c->prompt_buffer = '\0';
990: c->prompt_index = 0;
991: c->flags |= CLIENT_STATUS;
1.18 nicm 992: break;
1.20 nicm 993: case MODEKEYEDIT_DELETETOENDOFLINE:
1.18 nicm 994: if (c->prompt_index < size) {
995: c->prompt_buffer[c->prompt_index] = '\0';
1.1 nicm 996: c->flags |= CLIENT_STATUS;
997: }
998: break;
1.20 nicm 999: case MODEKEYEDIT_HISTORYUP:
1.1 nicm 1000: if (ARRAY_LENGTH(&c->prompt_hdata) == 0)
1001: break;
1002: xfree(c->prompt_buffer);
1003:
1004: c->prompt_buffer = xstrdup(ARRAY_ITEM(&c->prompt_hdata,
1005: ARRAY_LENGTH(&c->prompt_hdata) - 1 - c->prompt_hindex));
1006: if (c->prompt_hindex != ARRAY_LENGTH(&c->prompt_hdata) - 1)
1007: c->prompt_hindex++;
1008:
1009: c->prompt_index = strlen(c->prompt_buffer);
1010: c->flags |= CLIENT_STATUS;
1011: break;
1.20 nicm 1012: case MODEKEYEDIT_HISTORYDOWN:
1.1 nicm 1013: xfree(c->prompt_buffer);
1014:
1015: if (c->prompt_hindex != 0) {
1016: c->prompt_hindex--;
1017: c->prompt_buffer = xstrdup(ARRAY_ITEM(
1018: &c->prompt_hdata, ARRAY_LENGTH(
1019: &c->prompt_hdata) - 1 - c->prompt_hindex));
1020: } else
1021: c->prompt_buffer = xstrdup("");
1022:
1023: c->prompt_index = strlen(c->prompt_buffer);
1024: c->flags |= CLIENT_STATUS;
1025: break;
1.20 nicm 1026: case MODEKEYEDIT_PASTE:
1.1 nicm 1027: if ((pb = paste_get_top(&c->session->buffers)) == NULL)
1028: break;
1.32 nicm 1029: for (n = 0; n < pb->size; n++) {
1.53 nicm 1030: ch = (u_char) pb->data[n];
1031: if (ch < 32 || ch == 127)
1.32 nicm 1032: break;
1033: }
1.1 nicm 1034:
1035: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + n + 1);
1036: if (c->prompt_index == size) {
1037: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1038: c->prompt_index += n;
1039: c->prompt_buffer[c->prompt_index] = '\0';
1040: } else {
1041: memmove(c->prompt_buffer + c->prompt_index + n,
1042: c->prompt_buffer + c->prompt_index,
1043: size + 1 - c->prompt_index);
1044: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1045: c->prompt_index += n;
1046: }
1047:
1048: c->flags |= CLIENT_STATUS;
1.30 nicm 1049: break;
1050: case MODEKEYEDIT_TRANSPOSECHARS:
1051: idx = c->prompt_index;
1052: if (idx < size)
1053: idx++;
1054: if (idx >= 2) {
1055: swapc = c->prompt_buffer[idx - 2];
1056: c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
1057: c->prompt_buffer[idx - 1] = swapc;
1058: c->prompt_index = idx;
1059: c->flags |= CLIENT_STATUS;
1060: }
1.1 nicm 1061: break;
1.55 nicm 1062: case MODEKEYEDIT_ENTER:
1.25 nicm 1063: if (*c->prompt_buffer != '\0')
1.1 nicm 1064: status_prompt_add_history(c);
1.25 nicm 1065: if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
1066: status_prompt_clear(c);
1067: break;
1.20 nicm 1068: case MODEKEYEDIT_CANCEL:
1.12 nicm 1069: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1070: status_prompt_clear(c);
1071: break;
1.20 nicm 1072: case MODEKEY_OTHER:
1.43 nicm 1073: if (key < 32 || key == 127)
1.1 nicm 1074: break;
1075: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 2);
1076:
1077: if (c->prompt_index == size) {
1078: c->prompt_buffer[c->prompt_index++] = key;
1079: c->prompt_buffer[c->prompt_index] = '\0';
1080: } else {
1081: memmove(c->prompt_buffer + c->prompt_index + 1,
1082: c->prompt_buffer + c->prompt_index,
1083: size + 1 - c->prompt_index);
1084: c->prompt_buffer[c->prompt_index++] = key;
1085: }
1086:
1087: if (c->prompt_flags & PROMPT_SINGLE) {
1.12 nicm 1088: if (c->prompt_callbackfn(
1.1 nicm 1089: c->prompt_data, c->prompt_buffer) == 0)
1090: status_prompt_clear(c);
1091: }
1092:
1093: c->flags |= CLIENT_STATUS;
1094: break;
1095: default:
1096: break;
1097: }
1098: }
1099:
1100: /* Add line to the history. */
1101: void
1102: status_prompt_add_history(struct client *c)
1103: {
1104: if (ARRAY_LENGTH(&c->prompt_hdata) > 0 &&
1105: strcmp(ARRAY_LAST(&c->prompt_hdata), c->prompt_buffer) == 0)
1106: return;
1107:
1108: if (ARRAY_LENGTH(&c->prompt_hdata) == PROMPT_HISTORY) {
1109: xfree(ARRAY_FIRST(&c->prompt_hdata));
1110: ARRAY_REMOVE(&c->prompt_hdata, 0);
1111: }
1112:
1113: ARRAY_ADD(&c->prompt_hdata, xstrdup(c->prompt_buffer));
1114: }
1115:
1116: /* Complete word. */
1117: char *
1118: status_prompt_complete(const char *s)
1119: {
1120: const struct cmd_entry **cmdent;
1.54 nicm 1121: const struct set_option_entry *entry;
1.1 nicm 1122: ARRAY_DECL(, const char *) list;
1123: char *prefix, *s2;
1.9 nicm 1124: u_int i;
1.1 nicm 1125: size_t j;
1126:
1127: if (*s == '\0')
1128: return (NULL);
1129:
1130: /* First, build a list of all the possible matches. */
1131: ARRAY_INIT(&list);
1132: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1133: if (strncmp((*cmdent)->name, s, strlen(s)) == 0)
1134: ARRAY_ADD(&list, (*cmdent)->name);
1.56 nicm 1135: }
1136: for (entry = set_option_table; entry->name != NULL; entry++) {
1137: if (strncmp(entry->name, s, strlen(s)) == 0)
1138: ARRAY_ADD(&list, entry->name);
1.1 nicm 1139: }
1.54 nicm 1140: for (entry = set_session_option_table; entry->name != NULL; entry++) {
1141: if (strncmp(entry->name, s, strlen(s)) == 0)
1142: ARRAY_ADD(&list, entry->name);
1143: }
1144: for (entry = set_window_option_table; entry->name != NULL; entry++) {
1145: if (strncmp(entry->name, s, strlen(s)) == 0)
1146: ARRAY_ADD(&list, entry->name);
1.1 nicm 1147: }
1148:
1149: /* If none, bail now. */
1150: if (ARRAY_LENGTH(&list) == 0) {
1151: ARRAY_FREE(&list);
1152: return (NULL);
1153: }
1154:
1155: /* If an exact match, return it, with a trailing space. */
1156: if (ARRAY_LENGTH(&list) == 1) {
1157: xasprintf(&s2, "%s ", ARRAY_FIRST(&list));
1158: ARRAY_FREE(&list);
1159: return (s2);
1160: }
1161:
1162: /* Now loop through the list and find the longest common prefix. */
1163: prefix = xstrdup(ARRAY_FIRST(&list));
1164: for (i = 1; i < ARRAY_LENGTH(&list); i++) {
1165: s = ARRAY_ITEM(&list, i);
1166:
1167: j = strlen(s);
1168: if (j > strlen(prefix))
1169: j = strlen(prefix);
1170: for (; j > 0; j--) {
1171: if (prefix[j - 1] != s[j - 1])
1172: prefix[j - 1] = '\0';
1173: }
1174: }
1175:
1176: ARRAY_FREE(&list);
1177: return (prefix);
1178: }
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