Annotation of src/usr.bin/tmux/status.c, Revision 1.96
1.96 ! nicm 1: /* $OpenBSD: status.c,v 1.95 2012/11/27 13:52:23 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) {
1.94 nicm 225: free(wl->status_text);
1.48 nicm 226: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
227: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.55 nicm 228: wl->status_width =
1.48 nicm 229: screen_write_cstrlen(utf8flag, "%s", wl->status_text);
230:
1.1 nicm 231: if (wl == s->curw)
1.48 nicm 232: wloffset = wlwidth;
1.91 nicm 233:
234: oo = &wl->window->options;
235: sep = options_get_string(oo, "window-status-separator");
236: seplen = screen_write_strlen(utf8flag, "%s", sep);
237: wlwidth += wl->status_width + seplen;
1.48 nicm 238: }
239:
240: /* Create a new screen for the window list. */
241: screen_init(&window_list, wlwidth, 1, 0);
242:
243: /* And draw the window list into it. */
244: screen_write_start(&ctx, NULL, &window_list);
245: RB_FOREACH(wl, winlinks, &s->windows) {
1.55 nicm 246: screen_write_cnputs(&ctx,
1.48 nicm 247: -1, &wl->status_cell, utf8flag, "%s", wl->status_text);
1.91 nicm 248:
249: oo = &wl->window->options;
250: sep = options_get_string(oo, "window-status-separator");
251: screen_write_nputs(&ctx, -1, &stdgc, utf8flag, "%s", sep);
1.1 nicm 252: }
1.48 nicm 253: screen_write_stop(&ctx);
1.1 nicm 254:
1.48 nicm 255: /* If there is enough space for the total width, skip to draw now. */
256: if (wlwidth <= wlavailable)
1.1 nicm 257: goto draw;
258:
259: /* Find size of current window text. */
1.48 nicm 260: wlsize = s->curw->status_width;
1.1 nicm 261:
262: /*
1.48 nicm 263: * If the current window is already on screen, good to draw from the
1.1 nicm 264: * start and just leave off the end.
265: */
1.48 nicm 266: if (wloffset + wlsize < wlavailable) {
267: if (wlavailable > 0) {
268: rarrow = 1;
269: wlavailable--;
270: }
271: wlwidth = wlavailable;
272: } else {
273: /*
274: * Work out how many characters we need to omit from the
275: * start. There are wlavailable characters to fill, and
276: * wloffset + wlsize must be the last. So, the start character
277: * is wloffset + wlsize - wlavailable.
278: */
279: if (wlavailable > 0) {
280: larrow = 1;
281: wlavailable--;
282: }
1.55 nicm 283:
1.48 nicm 284: wlstart = wloffset + wlsize - wlavailable;
285: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 286: rarrow = 1;
1.48 nicm 287: wlstart++;
288: wlavailable--;
1.1 nicm 289: }
1.48 nicm 290: wlwidth = wlavailable;
291: }
1.1 nicm 292:
1.48 nicm 293: /* Bail if anything is now too small too. */
294: if (wlwidth == 0 || wlavailable == 0) {
295: screen_free(&window_list);
296: goto out;
1.1 nicm 297: }
298:
299: /*
1.48 nicm 300: * Now the start position is known, work out the state of the left and
301: * right arrows.
1.1 nicm 302: */
303: offset = 0;
304: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 305: if (wl->flags & WINLINK_ALERTFLAGS &&
306: larrow == 1 && offset < wlstart)
307: larrow = -1;
1.1 nicm 308:
1.48 nicm 309: offset += wl->status_width;
1.1 nicm 310:
1.63 nicm 311: if (wl->flags & WINLINK_ALERTFLAGS &&
312: rarrow == 1 && offset > wlstart + wlwidth)
313: rarrow = -1;
1.1 nicm 314: }
315:
1.48 nicm 316: draw:
1.55 nicm 317: /* Begin drawing. */
1.48 nicm 318: screen_write_start(&ctx, NULL, &c->status);
1.1 nicm 319:
1.48 nicm 320: /* Draw the left string and arrow. */
321: screen_write_cursormove(&ctx, 0, 0);
322: if (llen != 0) {
323: screen_write_cnputs(&ctx, llen, &lgc, utf8flag, "%s", left);
1.5 nicm 324: screen_write_putc(&ctx, &stdgc, ' ');
1.1 nicm 325: }
326: if (larrow != 0) {
327: memcpy(&gc, &stdgc, sizeof gc);
328: if (larrow == -1)
329: gc.attr ^= GRID_ATTR_REVERSE;
330: screen_write_putc(&ctx, &gc, '<');
331: }
1.48 nicm 332:
333: /* Draw the right string and arrow. */
1.1 nicm 334: if (rarrow != 0) {
1.48 nicm 335: screen_write_cursormove(&ctx, c->tty.sx - rlen - 2, 0);
1.1 nicm 336: memcpy(&gc, &stdgc, sizeof gc);
337: if (rarrow == -1)
338: gc.attr ^= GRID_ATTR_REVERSE;
339: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 340: } else
341: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
342: if (rlen != 0) {
343: screen_write_putc(&ctx, &stdgc, ' ');
344: screen_write_cnputs(&ctx, rlen, &rgc, utf8flag, "%s", right);
1.1 nicm 345: }
346:
1.48 nicm 347: /* Figure out the offset for the window list. */
1.58 nicm 348: if (llen != 0)
349: wloffset = llen + 1;
350: else
351: wloffset = 0;
1.48 nicm 352: if (wlwidth < wlavailable) {
353: switch (options_get_number(&s->options, "status-justify")) {
354: case 1: /* centered */
1.58 nicm 355: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 356: break;
357: case 2: /* right */
1.58 nicm 358: wloffset += (wlavailable - wlwidth);
1.48 nicm 359: break;
360: }
361: }
362: if (larrow != 0)
363: wloffset++;
364:
365: /* Copy the window list. */
1.88 nicm 366: c->wlmouse = -wloffset + wlstart;
1.48 nicm 367: screen_write_cursormove(&ctx, wloffset, 0);
368: screen_write_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 369: screen_free(&window_list);
1.1 nicm 370:
1.48 nicm 371: screen_write_stop(&ctx);
1.1 nicm 372:
373: out:
1.94 nicm 374: free(left);
375: free(right);
1.1 nicm 376:
377: if (grid_compare(c->status.grid, old_status.grid) == 0) {
378: screen_free(&old_status);
379: return (0);
380: }
381: screen_free(&old_status);
382: return (1);
383: }
384:
1.46 nicm 385: /* Replace a single special sequence (prefixed by #). */
386: void
1.72 nicm 387: status_replace1(struct client *c, struct session *s, struct winlink *wl,
388: struct window_pane *wp, char **iptr, char **optr, char *out,
389: size_t outsize, int jobsflag)
390: {
391: char ch, tmp[256], *ptr, *endptr, *freeptr;
392: size_t ptrlen;
393: long limit;
1.80 nicm 394: u_int idx;
1.46 nicm 395:
396: errno = 0;
397: limit = strtol(*iptr, &endptr, 10);
398: if ((limit == 0 && errno != EINVAL) ||
399: (limit == LONG_MIN && errno != ERANGE) ||
1.55 nicm 400: (limit == LONG_MAX && errno != ERANGE) ||
1.46 nicm 401: limit != 0)
402: *iptr = endptr;
403: if (limit <= 0)
404: limit = LONG_MAX;
405:
406: freeptr = NULL;
407:
408: switch (*(*iptr)++) {
409: case '(':
410: if (!jobsflag) {
411: ch = ')';
412: goto skip_to;
413: }
1.71 nicm 414: if ((ptr = status_find_job(c, iptr)) == NULL)
1.46 nicm 415: return;
416: goto do_replace;
1.72 nicm 417: case 'D':
418: xsnprintf(tmp, sizeof tmp, "%%%u", wp->id);
419: ptr = tmp;
420: goto do_replace;
1.46 nicm 421: case 'H':
422: if (gethostname(tmp, sizeof tmp) != 0)
423: fatal("gethostname failed");
1.74 nicm 424: ptr = tmp;
425: goto do_replace;
426: case 'h':
427: if (gethostname(tmp, sizeof tmp) != 0)
428: fatal("gethostname failed");
429: if ((ptr = strchr(tmp, '.')) != NULL)
430: *ptr = '\0';
1.46 nicm 431: ptr = tmp;
432: goto do_replace;
433: case 'I':
434: xsnprintf(tmp, sizeof tmp, "%d", wl->idx);
435: ptr = tmp;
436: goto do_replace;
437: case 'P':
1.80 nicm 438: if (window_pane_index(wp, &idx) != 0)
439: fatalx("index not found");
1.72 nicm 440: xsnprintf(
1.80 nicm 441: tmp, sizeof tmp, "%u", idx);
1.46 nicm 442: ptr = tmp;
443: goto do_replace;
444: case 'S':
445: ptr = s->name;
446: goto do_replace;
447: case 'T':
1.72 nicm 448: ptr = wp->base.title;
1.46 nicm 449: goto do_replace;
450: case 'W':
451: ptr = wl->window->name;
452: goto do_replace;
1.47 nicm 453: case 'F':
1.67 nicm 454: ptr = window_printable_flags(s, wl);
455: freeptr = ptr;
1.47 nicm 456: goto do_replace;
1.46 nicm 457: case '[':
1.55 nicm 458: /*
1.46 nicm 459: * Embedded style, handled at display time. Leave present and
460: * skip input until ].
461: */
462: ch = ']';
463: goto skip_to;
1.96 ! nicm 464: case '{':
! 465: ptr = (char *) "#{";
! 466: goto do_replace;
1.46 nicm 467: case '#':
1.49 nicm 468: *(*optr)++ = '#';
1.46 nicm 469: break;
470: }
471:
472: return;
1.55 nicm 473:
1.46 nicm 474: do_replace:
475: ptrlen = strlen(ptr);
476: if ((size_t) limit < ptrlen)
477: ptrlen = limit;
478:
479: if (*optr + ptrlen >= out + outsize - 1)
1.85 nicm 480: goto out;
1.46 nicm 481: while (ptrlen > 0 && *ptr != '\0') {
482: *(*optr)++ = *ptr++;
483: ptrlen--;
484: }
485:
1.85 nicm 486: out:
1.94 nicm 487: free(freeptr);
1.46 nicm 488: return;
489:
490: skip_to:
491: *(*optr)++ = '#';
492:
493: (*iptr)--; /* include ch */
494: while (**iptr != ch && **iptr != '\0') {
495: if (*optr >= out + outsize - 1)
496: break;
497: *(*optr)++ = *(*iptr)++;
498: }
499: }
500:
501: /* Replace special sequences in fmt. */
502: char *
1.72 nicm 503: status_replace(struct client *c, struct session *s, struct winlink *wl,
504: struct window_pane *wp, const char *fmt, time_t t, int jobsflag)
1.46 nicm 505: {
1.96 ! nicm 506: static char out[BUFSIZ];
! 507: char in[BUFSIZ], ch, *iptr, *optr;
! 508: size_t len;
! 509: struct format_tree *ft;
1.47 nicm 510:
1.93 nicm 511: if (fmt == NULL)
512: return (xstrdup(""));
513:
1.96 ! nicm 514: if (s == NULL)
! 515: s = c->session;
! 516: if (wl == NULL)
! 517: wl = s->curw;
! 518: if (wp == NULL)
! 519: wp = wl->window->active;
! 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:
1.96 ! nicm 541: ft = format_create();
! 542: format_session(ft, s);
! 543: format_winlink(ft, s, wl);
! 544: format_window_pane(ft, wp);
! 545: return (format_expand(ft, out));
1.1 nicm 546: }
547:
1.46 nicm 548: /* Figure out job name and get its result, starting it off if necessary. */
1.1 nicm 549: char *
1.71 nicm 550: status_find_job(struct client *c, char **iptr)
1.1 nicm 551: {
1.71 nicm 552: struct status_out *so, so_find;
553: char *cmd;
554: int lastesc;
555: size_t len;
1.1 nicm 556:
557: if (**iptr == '\0')
558: return (NULL);
559: if (**iptr == ')') { /* no command given */
560: (*iptr)++;
561: return (NULL);
562: }
563:
564: cmd = xmalloc(strlen(*iptr) + 1);
565: len = 0;
566:
567: lastesc = 0;
568: for (; **iptr != '\0'; (*iptr)++) {
569: if (!lastesc && **iptr == ')')
570: break; /* unescaped ) is the end */
571: if (!lastesc && **iptr == '\\') {
572: lastesc = 1;
573: continue; /* skip \ if not escaped */
574: }
575: lastesc = 0;
576: cmd[len++] = **iptr;
577: }
1.38 nicm 578: if (**iptr == '\0') /* no terminating ) */ {
1.94 nicm 579: free(cmd);
1.38 nicm 580: return (NULL);
581: }
1.1 nicm 582: (*iptr)++; /* skip final ) */
583: cmd[len] = '\0';
584:
1.71 nicm 585: /* First try in the new tree. */
586: so_find.cmd = cmd;
587: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
1.78 nicm 588: if (so != NULL && so->out != NULL) {
1.94 nicm 589: free(cmd);
1.71 nicm 590: return (so->out);
1.78 nicm 591: }
1.71 nicm 592:
593: /* If not found at all, start the job and add to the tree. */
594: if (so == NULL) {
595: job_run(cmd, status_job_callback, status_job_free, c);
596: c->references++;
597:
598: so = xmalloc(sizeof *so);
599: so->cmd = xstrdup(cmd);
600: so->out = NULL;
601: RB_INSERT(status_out_tree, &c->status_new, so);
602: }
603:
604: /* Lookup in the old tree. */
605: so_find.cmd = cmd;
606: so = RB_FIND(status_out_tree, &c->status_old, &so_find);
1.94 nicm 607: free(cmd);
1.71 nicm 608: if (so != NULL)
609: return (so->out);
610: return (NULL);
611: }
612:
613: /* Free job tree. */
614: void
615: status_free_jobs(struct status_out_tree *sotree)
616: {
617: struct status_out *so, *so_next;
618:
619: so_next = RB_MIN(status_out_tree, sotree);
620: while (so_next != NULL) {
621: so = so_next;
622: so_next = RB_NEXT(status_out_tree, sotree, so);
623:
624: RB_REMOVE(status_out_tree, sotree, so);
1.94 nicm 625: free(so->out);
626: free(so->cmd);
627: free(so);
1.38 nicm 628: }
1.71 nicm 629: }
630:
631: /* Update jobs on status interval. */
632: void
633: status_update_jobs(struct client *c)
634: {
635: /* Free the old tree. */
636: status_free_jobs(&c->status_old);
637:
638: /* Move the new to old. */
639: memcpy(&c->status_old, &c->status_new, sizeof c->status_old);
640: RB_INIT(&c->status_new);
641: }
642:
643: /* Free status job. */
644: void
645: status_job_free(void *data)
646: {
647: struct client *c = data;
648:
649: c->references--;
1.38 nicm 650: }
1.1 nicm 651:
1.46 nicm 652: /* Job has finished: save its result. */
1.38 nicm 653: void
654: status_job_callback(struct job *job)
655: {
1.71 nicm 656: struct client *c = job->data;
657: struct status_out *so, so_find;
658: char *line, *buf;
659: size_t len;
660:
661: if (c->flags & CLIENT_DEAD)
662: return;
663:
664: so_find.cmd = job->cmd;
665: so = RB_FIND(status_out_tree, &c->status_new, &so_find);
666: if (so == NULL || so->out != NULL)
667: return;
1.38 nicm 668:
1.41 nicm 669: buf = NULL;
670: if ((line = evbuffer_readline(job->event->input)) == NULL) {
671: len = EVBUFFER_LENGTH(job->event->input);
672: buf = xmalloc(len + 1);
673: if (len != 0)
674: memcpy(buf, EVBUFFER_DATA(job->event->input), len);
675: buf[len] = '\0';
1.71 nicm 676: } else
677: buf = xstrdup(line);
1.1 nicm 678:
1.71 nicm 679: so->out = buf;
1.75 nicm 680: server_status_client(c);
1.1 nicm 681: }
682:
1.46 nicm 683: /* Return winlink status line entry and adjust gc as necessary. */
1.1 nicm 684: char *
1.47 nicm 685: status_print(
686: struct client *c, struct winlink *wl, time_t t, struct grid_cell *gc)
1.1 nicm 687: {
1.33 nicm 688: struct options *oo = &wl->window->options;
1.47 nicm 689: struct session *s = c->session;
690: const char *fmt;
691: char *text;
1.92 nicm 692: int fg, bg, attr;
1.1 nicm 693:
1.33 nicm 694: fg = options_get_number(oo, "window-status-fg");
1.1 nicm 695: if (fg != 8)
1.33 nicm 696: colour_set_fg(gc, fg);
697: bg = options_get_number(oo, "window-status-bg");
1.1 nicm 698: if (bg != 8)
1.33 nicm 699: colour_set_bg(gc, bg);
700: attr = options_get_number(oo, "window-status-attr");
1.1 nicm 701: if (attr != 0)
702: gc->attr = attr;
1.47 nicm 703: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 704: if (wl == s->curw) {
1.33 nicm 705: fg = options_get_number(oo, "window-status-current-fg");
1.14 nicm 706: if (fg != 8)
1.33 nicm 707: colour_set_fg(gc, fg);
708: bg = options_get_number(oo, "window-status-current-bg");
1.14 nicm 709: if (bg != 8)
1.33 nicm 710: colour_set_bg(gc, bg);
711: attr = options_get_number(oo, "window-status-current-attr");
1.14 nicm 712: if (attr != 0)
713: gc->attr = attr;
1.47 nicm 714: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 715: }
716: if (wl == TAILQ_FIRST(&s->lastw)) {
717: fg = options_get_number(oo, "window-status-last-fg");
718: if (fg != 8)
719: colour_set_fg(gc, fg);
720: bg = options_get_number(oo, "window-status-last-bg");
721: if (bg != 8)
722: colour_set_bg(gc, bg);
723: attr = options_get_number(oo, "window-status-last-attr");
724: if (attr != 0)
725: gc->attr = attr;
1.14 nicm 726: }
1.1 nicm 727:
1.84 nicm 728: if (wl->flags & WINLINK_BELL) {
729: fg = options_get_number(oo, "window-status-bell-fg");
1.62 nicm 730: if (fg != 8)
731: colour_set_fg(gc, fg);
1.84 nicm 732: bg = options_get_number(oo, "window-status-bell-bg");
1.62 nicm 733: if (bg != 8)
734: colour_set_bg(gc, bg);
1.84 nicm 735: attr = options_get_number(oo, "window-status-bell-attr");
736: if (attr != 0)
737: gc->attr = attr;
738: } else if (wl->flags & WINLINK_CONTENT) {
739: fg = options_get_number(oo, "window-status-content-fg");
740: if (fg != 8)
741: colour_set_fg(gc, fg);
742: bg = options_get_number(oo, "window-status-content-bg");
743: if (bg != 8)
744: colour_set_bg(gc, bg);
745: attr = options_get_number(oo, "window-status-content-attr");
746: if (attr != 0)
747: gc->attr = attr;
748: } else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE)) {
749: fg = options_get_number(oo, "window-status-activity-fg");
750: if (fg != 8)
751: colour_set_fg(gc, fg);
752: bg = options_get_number(oo, "window-status-activity-bg");
753: if (bg != 8)
754: colour_set_bg(gc, bg);
755: attr = options_get_number(oo, "window-status-activity-attr");
1.62 nicm 756: if (attr != 0)
757: gc->attr = attr;
758: }
1.1 nicm 759:
1.72 nicm 760: text = status_replace(c, NULL, wl, NULL, fmt, t, 1);
1.1 nicm 761: return (text);
762: }
763:
1.46 nicm 764: /* Set a status line message. */
1.10 nicm 765: void printflike2
766: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 767: {
1.44 nicm 768: struct timeval tv;
769: struct session *s = c->session;
770: struct message_entry *msg;
771: va_list ap;
772: int delay;
773: u_int i, limit;
1.1 nicm 774:
1.12 nicm 775: status_prompt_clear(c);
776: status_message_clear(c);
777:
1.28 nicm 778: va_start(ap, fmt);
779: xvasprintf(&c->message_string, fmt, ap);
780: va_end(ap);
781:
1.44 nicm 782: ARRAY_EXPAND(&c->message_log, 1);
783: msg = &ARRAY_LAST(&c->message_log);
784: msg->msg_time = time(NULL);
785: msg->msg = xstrdup(c->message_string);
786:
787: if (s == NULL)
788: limit = 0;
789: else
790: limit = options_get_number(&s->options, "message-limit");
1.50 nicm 791: if (ARRAY_LENGTH(&c->message_log) > limit) {
792: limit = ARRAY_LENGTH(&c->message_log) - limit;
793: for (i = 0; i < limit; i++) {
794: msg = &ARRAY_FIRST(&c->message_log);
1.94 nicm 795: free(msg->msg);
1.50 nicm 796: ARRAY_REMOVE(&c->message_log, 0);
797: }
1.44 nicm 798: }
799:
1.1 nicm 800: delay = options_get_number(&c->session->options, "display-time");
801: tv.tv_sec = delay / 1000;
802: tv.tv_usec = (delay % 1000) * 1000L;
1.44 nicm 803:
1.90 nicm 804: if (event_initialized (&c->message_timer))
805: evtimer_del(&c->message_timer);
1.42 nicm 806: evtimer_set(&c->message_timer, status_message_callback, c);
807: evtimer_add(&c->message_timer, &tv);
1.1 nicm 808:
809: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
810: c->flags |= CLIENT_STATUS;
811: }
812:
1.46 nicm 813: /* Clear status line message. */
1.1 nicm 814: void
815: status_message_clear(struct client *c)
816: {
817: if (c->message_string == NULL)
818: return;
819:
1.94 nicm 820: free(c->message_string);
1.1 nicm 821: c->message_string = NULL;
822:
823: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 824: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 825:
826: screen_reinit(&c->status);
1.42 nicm 827: }
828:
1.46 nicm 829: /* Clear status line message after timer expires. */
1.52 nicm 830: /* ARGSUSED */
1.42 nicm 831: void
832: status_message_callback(unused int fd, unused short event, void *data)
833: {
834: struct client *c = data;
835:
836: status_message_clear(c);
1.1 nicm 837: }
838:
839: /* Draw client message on status line of present else on last line. */
840: int
841: status_message_redraw(struct client *c)
842: {
843: struct screen_write_ctx ctx;
844: struct session *s = c->session;
845: struct screen old_status;
846: size_t len;
847: struct grid_cell gc;
1.51 nicm 848: int utf8flag;
1.1 nicm 849:
850: if (c->tty.sx == 0 || c->tty.sy == 0)
851: return (0);
852: memcpy(&old_status, &c->status, sizeof old_status);
853: screen_init(&c->status, c->tty.sx, 1, 0);
854:
1.51 nicm 855: utf8flag = options_get_number(&s->options, "status-utf8");
856:
857: len = screen_write_strlen(utf8flag, "%s", c->message_string);
1.1 nicm 858: if (len > c->tty.sx)
859: len = c->tty.sx;
860:
861: memcpy(&gc, &grid_default_cell, sizeof gc);
1.33 nicm 862: colour_set_fg(&gc, options_get_number(&s->options, "message-fg"));
863: colour_set_bg(&gc, options_get_number(&s->options, "message-bg"));
1.1 nicm 864: gc.attr |= options_get_number(&s->options, "message-attr");
865:
866: screen_write_start(&ctx, NULL, &c->status);
867:
868: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 869: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->message_string);
1.1 nicm 870: for (; len < c->tty.sx; len++)
871: screen_write_putc(&ctx, &gc, ' ');
872:
873: screen_write_stop(&ctx);
874:
875: if (grid_compare(c->status.grid, old_status.grid) == 0) {
876: screen_free(&old_status);
877: return (0);
878: }
879: screen_free(&old_status);
880: return (1);
881: }
882:
1.46 nicm 883: /* Enable status line prompt. */
1.1 nicm 884: void
1.76 nicm 885: status_prompt_set(struct client *c, const char *msg, const char *input,
1.12 nicm 886: int (*callbackfn)(void *, const char *), void (*freefn)(void *),
887: void *data, int flags)
1.1 nicm 888: {
1.20 nicm 889: int keys;
890:
1.12 nicm 891: status_message_clear(c);
892: status_prompt_clear(c);
893:
1.77 nicm 894: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
895: time(NULL), 0);
1.1 nicm 896:
1.77 nicm 897: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
898: time(NULL), 0);
1.76 nicm 899: c->prompt_index = strlen(c->prompt_buffer);
1.1 nicm 900:
1.12 nicm 901: c->prompt_callbackfn = callbackfn;
902: c->prompt_freefn = freefn;
1.1 nicm 903: c->prompt_data = data;
904:
905: c->prompt_hindex = 0;
906:
907: c->prompt_flags = flags;
908:
1.20 nicm 909: keys = options_get_number(&c->session->options, "status-keys");
910: if (keys == MODEKEY_EMACS)
1.21 nicm 911: mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
1.20 nicm 912: else
1.21 nicm 913: mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
1.1 nicm 914:
915: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
916: c->flags |= CLIENT_STATUS;
917: }
918:
1.46 nicm 919: /* Remove status line prompt. */
1.1 nicm 920: void
921: status_prompt_clear(struct client *c)
922: {
1.55 nicm 923: if (c->prompt_string == NULL)
1.1 nicm 924: return;
925:
1.12 nicm 926: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
927: c->prompt_freefn(c->prompt_data);
1.1 nicm 928:
1.94 nicm 929: free(c->prompt_string);
1.1 nicm 930: c->prompt_string = NULL;
931:
1.94 nicm 932: free(c->prompt_buffer);
1.1 nicm 933: c->prompt_buffer = NULL;
934:
935: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 936: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 937:
938: screen_reinit(&c->status);
1.27 nicm 939: }
940:
1.46 nicm 941: /* Update status line prompt with a new prompt string. */
1.27 nicm 942: void
1.76 nicm 943: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 944: {
1.94 nicm 945: free(c->prompt_string);
1.77 nicm 946: c->prompt_string = status_replace(c, NULL, NULL, NULL, msg,
947: time(NULL), 0);
1.27 nicm 948:
1.94 nicm 949: free(c->prompt_buffer);
1.77 nicm 950: c->prompt_buffer = status_replace(c, NULL, NULL, NULL, input,
951: time(NULL), 0);
1.76 nicm 952: c->prompt_index = strlen(c->prompt_buffer);
1.27 nicm 953:
954: c->prompt_hindex = 0;
955:
956: c->flags |= CLIENT_STATUS;
1.1 nicm 957: }
958:
959: /* Draw client prompt on status line of present else on last line. */
960: int
961: status_prompt_redraw(struct client *c)
962: {
1.51 nicm 963: struct screen_write_ctx ctx;
1.1 nicm 964: struct session *s = c->session;
965: struct screen old_status;
1.29 nicm 966: size_t i, size, left, len, off;
1.51 nicm 967: struct grid_cell gc, *gcp;
968: int utf8flag;
1.1 nicm 969:
970: if (c->tty.sx == 0 || c->tty.sy == 0)
971: return (0);
972: memcpy(&old_status, &c->status, sizeof old_status);
973: screen_init(&c->status, c->tty.sx, 1, 0);
974:
1.51 nicm 975: utf8flag = options_get_number(&s->options, "status-utf8");
976:
977: len = screen_write_strlen(utf8flag, "%s", c->prompt_string);
1.1 nicm 978: if (len > c->tty.sx)
979: len = c->tty.sx;
1.51 nicm 980: off = 0;
1.1 nicm 981:
982: memcpy(&gc, &grid_default_cell, sizeof gc);
1.79 nicm 983: /* Change colours for command mode. */
984: if (c->prompt_mdata.mode == 1) {
985: colour_set_fg(&gc, options_get_number(&s->options, "message-command-fg"));
986: colour_set_bg(&gc, options_get_number(&s->options, "message-command-bg"));
987: gc.attr |= options_get_number(&s->options, "message-command-attr");
988: } else {
989: colour_set_fg(&gc, options_get_number(&s->options, "message-fg"));
990: colour_set_bg(&gc, options_get_number(&s->options, "message-bg"));
991: gc.attr |= options_get_number(&s->options, "message-attr");
992: }
1.1 nicm 993:
994: screen_write_start(&ctx, NULL, &c->status);
995:
996: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 997: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->prompt_string);
1.1 nicm 998:
999: left = c->tty.sx - len;
1000: if (left != 0) {
1.51 nicm 1001: size = screen_write_strlen(utf8flag, "%s", c->prompt_buffer);
1002: if (c->prompt_index >= left) {
1.17 nicm 1003: off = c->prompt_index - left + 1;
1.51 nicm 1004: if (c->prompt_index == size)
1.1 nicm 1005: left--;
1006: size = left;
1007: }
1.51 nicm 1008: screen_write_nputs(
1009: &ctx, left, &gc, utf8flag, "%s", c->prompt_buffer + off);
1.1 nicm 1010:
1.55 nicm 1011: for (i = len + size; i < c->tty.sx; i++)
1012: screen_write_putc(&ctx, &gc, ' ');
1.1 nicm 1013: }
1014:
1015: screen_write_stop(&ctx);
1.51 nicm 1016:
1017: /* Apply fake cursor. */
1018: off = len + c->prompt_index - off;
1019: gcp = grid_view_get_cell(c->status.grid, off, 0);
1020: gcp->attr ^= GRID_ATTR_REVERSE;
1.1 nicm 1021:
1022: if (grid_compare(c->status.grid, old_status.grid) == 0) {
1023: screen_free(&old_status);
1024: return (0);
1025: }
1026: screen_free(&old_status);
1027: return (1);
1028: }
1029:
1030: /* Handle keys in prompt. */
1031: void
1032: status_prompt_key(struct client *c, int key)
1033: {
1.81 nicm 1034: struct session *sess = c->session;
1035: struct options *oo = &sess->options;
1.1 nicm 1036: struct paste_buffer *pb;
1.81 nicm 1037: char *s, *first, *last, word[64], swapc;
1038: const char *histstr;
1.83 nicm 1039: const char *wsep = NULL;
1.53 nicm 1040: u_char ch;
1.1 nicm 1041: size_t size, n, off, idx;
1042:
1043: size = strlen(c->prompt_buffer);
1044: switch (mode_key_lookup(&c->prompt_mdata, key)) {
1.20 nicm 1045: case MODEKEYEDIT_CURSORLEFT:
1.1 nicm 1046: if (c->prompt_index > 0) {
1047: c->prompt_index--;
1048: c->flags |= CLIENT_STATUS;
1049: }
1050: break;
1.79 nicm 1051: case MODEKEYEDIT_SWITCHMODE:
1052: c->flags |= CLIENT_STATUS;
1053: break;
1.20 nicm 1054: case MODEKEYEDIT_SWITCHMODEAPPEND:
1.79 nicm 1055: c->flags |= CLIENT_STATUS;
1056: /* FALLTHROUGH */
1.20 nicm 1057: case MODEKEYEDIT_CURSORRIGHT:
1.1 nicm 1058: if (c->prompt_index < size) {
1059: c->prompt_index++;
1060: c->flags |= CLIENT_STATUS;
1061: }
1062: break;
1.89 nicm 1063: case MODEKEYEDIT_SWITCHMODEBEGINLINE:
1064: c->flags |= CLIENT_STATUS;
1065: /* FALLTHROUGH */
1.20 nicm 1066: case MODEKEYEDIT_STARTOFLINE:
1.1 nicm 1067: if (c->prompt_index != 0) {
1068: c->prompt_index = 0;
1069: c->flags |= CLIENT_STATUS;
1070: }
1071: break;
1.89 nicm 1072: case MODEKEYEDIT_SWITCHMODEAPPENDLINE:
1073: c->flags |= CLIENT_STATUS;
1074: /* FALLTHROUGH */
1.20 nicm 1075: case MODEKEYEDIT_ENDOFLINE:
1.1 nicm 1076: if (c->prompt_index != size) {
1077: c->prompt_index = size;
1078: c->flags |= CLIENT_STATUS;
1079: }
1080: break;
1.20 nicm 1081: case MODEKEYEDIT_COMPLETE:
1.1 nicm 1082: if (*c->prompt_buffer == '\0')
1083: break;
1084:
1085: idx = c->prompt_index;
1086: if (idx != 0)
1087: idx--;
1088:
1089: /* Find the word we are in. */
1090: first = c->prompt_buffer + idx;
1091: while (first > c->prompt_buffer && *first != ' ')
1092: first--;
1093: while (*first == ' ')
1094: first++;
1095: last = c->prompt_buffer + idx;
1096: while (*last != '\0' && *last != ' ')
1097: last++;
1098: while (*last == ' ')
1099: last--;
1100: if (*last != '\0')
1101: last++;
1102: if (last <= first ||
1103: ((size_t) (last - first)) > (sizeof word) - 1)
1104: break;
1105: memcpy(word, first, last - first);
1106: word[last - first] = '\0';
1107:
1108: /* And try to complete it. */
1109: if ((s = status_prompt_complete(word)) == NULL)
1110: break;
1111:
1112: /* Trim out word. */
1113: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1114: memmove(first, last, n);
1115: size -= last - first;
1116:
1117: /* Insert the new word. */
1.55 nicm 1118: size += strlen(s);
1.1 nicm 1119: off = first - c->prompt_buffer;
1.55 nicm 1120: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 1);
1.1 nicm 1121: first = c->prompt_buffer + off;
1.55 nicm 1122: memmove(first + strlen(s), first, n);
1123: memcpy(first, s, strlen(s));
1.1 nicm 1124:
1125: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 1126: free(s);
1.1 nicm 1127:
1128: c->flags |= CLIENT_STATUS;
1129: break;
1.20 nicm 1130: case MODEKEYEDIT_BACKSPACE:
1.1 nicm 1131: if (c->prompt_index != 0) {
1132: if (c->prompt_index == size)
1133: c->prompt_buffer[--c->prompt_index] = '\0';
1134: else {
1135: memmove(c->prompt_buffer + c->prompt_index - 1,
1136: c->prompt_buffer + c->prompt_index,
1137: size + 1 - c->prompt_index);
1138: c->prompt_index--;
1139: }
1140: c->flags |= CLIENT_STATUS;
1141: }
1142: break;
1.55 nicm 1143: case MODEKEYEDIT_DELETE:
1.1 nicm 1144: if (c->prompt_index != size) {
1145: memmove(c->prompt_buffer + c->prompt_index,
1146: c->prompt_buffer + c->prompt_index + 1,
1147: size + 1 - c->prompt_index);
1.18 nicm 1148: c->flags |= CLIENT_STATUS;
1149: }
1.26 nicm 1150: break;
1151: case MODEKEYEDIT_DELETELINE:
1152: *c->prompt_buffer = '\0';
1153: c->prompt_index = 0;
1154: c->flags |= CLIENT_STATUS;
1.18 nicm 1155: break;
1.20 nicm 1156: case MODEKEYEDIT_DELETETOENDOFLINE:
1.18 nicm 1157: if (c->prompt_index < size) {
1158: c->prompt_buffer[c->prompt_index] = '\0';
1.1 nicm 1159: c->flags |= CLIENT_STATUS;
1160: }
1161: break;
1.81 nicm 1162: case MODEKEYEDIT_DELETEWORD:
1163: wsep = options_get_string(oo, "word-separators");
1164: idx = c->prompt_index;
1165:
1166: /* Find a non-separator. */
1167: while (idx != 0) {
1168: idx--;
1169: if (!strchr(wsep, c->prompt_buffer[idx]))
1170: break;
1171: }
1172:
1173: /* Find the separator at the beginning of the word. */
1174: while (idx != 0) {
1175: idx--;
1176: if (strchr(wsep, c->prompt_buffer[idx])) {
1177: /* Go back to the word. */
1178: idx++;
1179: break;
1180: }
1181: }
1182:
1183: memmove(c->prompt_buffer + idx,
1184: c->prompt_buffer + c->prompt_index,
1185: size + 1 - c->prompt_index);
1186: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1187: '\0', c->prompt_index - idx);
1188: c->prompt_index = idx;
1189: c->flags |= CLIENT_STATUS;
1190: break;
1.83 nicm 1191: case MODEKEYEDIT_NEXTSPACE:
1192: wsep = " ";
1193: /* FALLTHROUGH */
1.81 nicm 1194: case MODEKEYEDIT_NEXTWORD:
1.83 nicm 1195: if (wsep == NULL)
1196: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1197:
1198: /* Find a separator. */
1199: while (c->prompt_index != size) {
1200: c->prompt_index++;
1201: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1202: break;
1203: }
1204:
1205: /* Find the word right after the separation. */
1206: while (c->prompt_index != size) {
1207: c->prompt_index++;
1208: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1209: break;
1210: }
1211:
1212: c->flags |= CLIENT_STATUS;
1213: break;
1.83 nicm 1214: case MODEKEYEDIT_NEXTSPACEEND:
1215: wsep = " ";
1216: /* FALLTHROUGH */
1.81 nicm 1217: case MODEKEYEDIT_NEXTWORDEND:
1.83 nicm 1218: if (wsep == NULL)
1219: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1220:
1221: /* Find a word. */
1222: while (c->prompt_index != size) {
1223: c->prompt_index++;
1224: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1225: break;
1226: }
1227:
1228: /* Find the separator at the end of the word. */
1229: while (c->prompt_index != size) {
1230: c->prompt_index++;
1.82 nicm 1231: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1.81 nicm 1232: break;
1233: }
1234:
1235: c->flags |= CLIENT_STATUS;
1236: break;
1.83 nicm 1237: case MODEKEYEDIT_PREVIOUSSPACE:
1238: wsep = " ";
1239: /* FALLTHROUGH */
1.81 nicm 1240: case MODEKEYEDIT_PREVIOUSWORD:
1.83 nicm 1241: if (wsep == NULL)
1242: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1243:
1244: /* Find a non-separator. */
1245: while (c->prompt_index != 0) {
1246: c->prompt_index--;
1247: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1248: break;
1249: }
1250:
1251: /* Find the separator at the beginning of the word. */
1252: while (c->prompt_index != 0) {
1253: c->prompt_index--;
1254: if (strchr(wsep, c->prompt_buffer[c->prompt_index])) {
1255: /* Go back to the word. */
1256: c->prompt_index++;
1257: break;
1258: }
1259: }
1260:
1261: c->flags |= CLIENT_STATUS;
1262: break;
1.20 nicm 1263: case MODEKEYEDIT_HISTORYUP:
1.66 nicm 1264: histstr = status_prompt_up_history(&c->prompt_hindex);
1265: if (histstr == NULL)
1.1 nicm 1266: break;
1.94 nicm 1267: free(c->prompt_buffer);
1.66 nicm 1268: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1269: c->prompt_index = strlen(c->prompt_buffer);
1270: c->flags |= CLIENT_STATUS;
1271: break;
1.20 nicm 1272: case MODEKEYEDIT_HISTORYDOWN:
1.66 nicm 1273: histstr = status_prompt_down_history(&c->prompt_hindex);
1274: if (histstr == NULL)
1.65 nicm 1275: break;
1.94 nicm 1276: free(c->prompt_buffer);
1.66 nicm 1277: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1278: c->prompt_index = strlen(c->prompt_buffer);
1279: c->flags |= CLIENT_STATUS;
1280: break;
1.20 nicm 1281: case MODEKEYEDIT_PASTE:
1.68 nicm 1282: if ((pb = paste_get_top(&global_buffers)) == NULL)
1.1 nicm 1283: break;
1.32 nicm 1284: for (n = 0; n < pb->size; n++) {
1.53 nicm 1285: ch = (u_char) pb->data[n];
1286: if (ch < 32 || ch == 127)
1.32 nicm 1287: break;
1288: }
1.1 nicm 1289:
1290: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + n + 1);
1291: if (c->prompt_index == size) {
1292: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1293: c->prompt_index += n;
1294: c->prompt_buffer[c->prompt_index] = '\0';
1295: } else {
1296: memmove(c->prompt_buffer + c->prompt_index + n,
1297: c->prompt_buffer + c->prompt_index,
1298: size + 1 - c->prompt_index);
1299: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1300: c->prompt_index += n;
1301: }
1302:
1303: c->flags |= CLIENT_STATUS;
1.30 nicm 1304: break;
1305: case MODEKEYEDIT_TRANSPOSECHARS:
1306: idx = c->prompt_index;
1307: if (idx < size)
1308: idx++;
1309: if (idx >= 2) {
1310: swapc = c->prompt_buffer[idx - 2];
1311: c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
1312: c->prompt_buffer[idx - 1] = swapc;
1313: c->prompt_index = idx;
1314: c->flags |= CLIENT_STATUS;
1315: }
1.1 nicm 1316: break;
1.55 nicm 1317: case MODEKEYEDIT_ENTER:
1.25 nicm 1318: if (*c->prompt_buffer != '\0')
1.65 nicm 1319: status_prompt_add_history(c->prompt_buffer);
1.25 nicm 1320: if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
1321: status_prompt_clear(c);
1322: break;
1.20 nicm 1323: case MODEKEYEDIT_CANCEL:
1.12 nicm 1324: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1325: status_prompt_clear(c);
1326: break;
1.20 nicm 1327: case MODEKEY_OTHER:
1.61 nicm 1328: if ((key & 0xff00) != 0 || key < 32 || key == 127)
1.1 nicm 1329: break;
1330: c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 2);
1331:
1332: if (c->prompt_index == size) {
1333: c->prompt_buffer[c->prompt_index++] = key;
1334: c->prompt_buffer[c->prompt_index] = '\0';
1335: } else {
1336: memmove(c->prompt_buffer + c->prompt_index + 1,
1337: c->prompt_buffer + c->prompt_index,
1338: size + 1 - c->prompt_index);
1339: c->prompt_buffer[c->prompt_index++] = key;
1340: }
1341:
1342: if (c->prompt_flags & PROMPT_SINGLE) {
1.12 nicm 1343: if (c->prompt_callbackfn(
1.1 nicm 1344: c->prompt_data, c->prompt_buffer) == 0)
1345: status_prompt_clear(c);
1346: }
1347:
1348: c->flags |= CLIENT_STATUS;
1349: break;
1350: default:
1351: break;
1352: }
1353: }
1354:
1.65 nicm 1355: /* Get previous line from the history. */
1356: const char *
1357: status_prompt_up_history(u_int *idx)
1358: {
1359: u_int size;
1360:
1361: /*
1362: * History runs from 0 to size - 1.
1363: *
1364: * Index is from 0 to size. Zero is empty.
1365: */
1366:
1367: size = ARRAY_LENGTH(&status_prompt_history);
1368: if (size == 0 || *idx == size)
1369: return (NULL);
1370: (*idx)++;
1371: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1372: }
1373:
1374: /* Get next line from the history. */
1375: const char *
1376: status_prompt_down_history(u_int *idx)
1377: {
1378: u_int size;
1379:
1380: size = ARRAY_LENGTH(&status_prompt_history);
1381: if (size == 0 || *idx == 0)
1382: return ("");
1383: (*idx)--;
1384: if (*idx == 0)
1385: return ("");
1386: return (ARRAY_ITEM(&status_prompt_history, size - *idx));
1387: }
1388:
1.1 nicm 1389: /* Add line to the history. */
1390: void
1.65 nicm 1391: status_prompt_add_history(const char *line)
1.1 nicm 1392: {
1.65 nicm 1393: u_int size;
1394:
1395: size = ARRAY_LENGTH(&status_prompt_history);
1396: if (size > 0 && strcmp(ARRAY_LAST(&status_prompt_history), line) == 0)
1.1 nicm 1397: return;
1398:
1.65 nicm 1399: if (size == PROMPT_HISTORY) {
1.94 nicm 1400: free(ARRAY_FIRST(&status_prompt_history));
1.65 nicm 1401: ARRAY_REMOVE(&status_prompt_history, 0);
1.1 nicm 1402: }
1403:
1.65 nicm 1404: ARRAY_ADD(&status_prompt_history, xstrdup(line));
1.1 nicm 1405: }
1406:
1407: /* Complete word. */
1408: char *
1409: status_prompt_complete(const char *s)
1410: {
1.69 nicm 1411: const struct cmd_entry **cmdent;
1412: const struct options_table_entry *oe;
1413: ARRAY_DECL(, const char *) list;
1414: char *prefix, *s2;
1415: u_int i;
1416: size_t j;
1.1 nicm 1417:
1418: if (*s == '\0')
1419: return (NULL);
1420:
1421: /* First, build a list of all the possible matches. */
1422: ARRAY_INIT(&list);
1423: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1424: if (strncmp((*cmdent)->name, s, strlen(s)) == 0)
1425: ARRAY_ADD(&list, (*cmdent)->name);
1.56 nicm 1426: }
1.69 nicm 1427: for (oe = server_options_table; oe->name != NULL; oe++) {
1428: if (strncmp(oe->name, s, strlen(s)) == 0)
1429: ARRAY_ADD(&list, oe->name);
1430: }
1431: for (oe = session_options_table; oe->name != NULL; oe++) {
1432: if (strncmp(oe->name, s, strlen(s)) == 0)
1433: ARRAY_ADD(&list, oe->name);
1434: }
1435: for (oe = window_options_table; oe->name != NULL; oe++) {
1436: if (strncmp(oe->name, s, strlen(s)) == 0)
1437: ARRAY_ADD(&list, oe->name);
1.1 nicm 1438: }
1439:
1440: /* If none, bail now. */
1441: if (ARRAY_LENGTH(&list) == 0) {
1442: ARRAY_FREE(&list);
1443: return (NULL);
1444: }
1445:
1446: /* If an exact match, return it, with a trailing space. */
1447: if (ARRAY_LENGTH(&list) == 1) {
1448: xasprintf(&s2, "%s ", ARRAY_FIRST(&list));
1449: ARRAY_FREE(&list);
1450: return (s2);
1451: }
1452:
1453: /* Now loop through the list and find the longest common prefix. */
1454: prefix = xstrdup(ARRAY_FIRST(&list));
1455: for (i = 1; i < ARRAY_LENGTH(&list); i++) {
1456: s = ARRAY_ITEM(&list, i);
1457:
1458: j = strlen(s);
1459: if (j > strlen(prefix))
1460: j = strlen(prefix);
1461: for (; j > 0; j--) {
1462: if (prefix[j - 1] != s[j - 1])
1463: prefix[j - 1] = '\0';
1464: }
1465: }
1466:
1467: ARRAY_FREE(&list);
1468: return (prefix);
1469: }
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