Annotation of src/usr.bin/tmux/status.c, Revision 1.130
1.130 ! nicm 1: /* $OpenBSD: status.c,v 1.129 2015/05/27 13:28:04 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:
1.123 nicm 32: char *status_redraw_get_left(struct client *, time_t, int, struct grid_cell *,
33: size_t *);
34: char *status_redraw_get_right(struct client *, time_t, int,
35: struct grid_cell *, size_t *);
36: char *status_print(struct client *, struct winlink *, time_t,
37: struct grid_cell *);
38: char *status_replace(struct client *, struct winlink *, const char *, time_t);
1.129 nicm 39: void status_replace1(char **, char **, char *, size_t);
1.42 nicm 40: void status_message_callback(int, short, void *);
1.1 nicm 41:
1.65 nicm 42: const char *status_prompt_up_history(u_int *);
43: const char *status_prompt_down_history(u_int *);
44: void status_prompt_add_history(const char *);
1.128 nicm 45:
46: const char **status_prompt_complete_list(u_int *, const char *);
47: char *status_prompt_complete_prefix(const char **, u_int);
48: char *status_prompt_complete(struct session *, const char *);
1.1 nicm 49:
1.130 ! nicm 50: char *status_prompt_find_history_file(void);
! 51:
1.65 nicm 52: /* Status prompt history. */
1.128 nicm 53: #define PROMPT_HISTORY 100
54: char **status_prompt_hlist;
55: u_int status_prompt_hsize;
1.130 ! nicm 56:
! 57: /* Find the history file to load/save from/to. */
! 58: char *
! 59: status_prompt_find_history_file(void)
! 60: {
! 61: const char *home, *history_file;
! 62: char *path;
! 63:
! 64: history_file = options_get_string(&global_options, "history-file");
! 65: if (*history_file == '\0')
! 66: return (NULL);
! 67: if (*history_file == '/')
! 68: return (xstrdup(history_file));
! 69:
! 70: if (history_file[0] != '~' || history_file[1] != '/')
! 71: return (NULL);
! 72: if ((home = find_home()) == NULL)
! 73: return (NULL);
! 74: xasprintf(&path, "%s%s", home, history_file + 1);
! 75: return (path);
! 76: }
! 77:
! 78: /* Load status prompt history from file. */
! 79: void
! 80: status_prompt_load_history(void)
! 81: {
! 82: FILE *f;
! 83: char *history_file, *line, *tmp;
! 84: size_t length;
! 85:
! 86: if ((history_file = status_prompt_find_history_file()) == NULL)
! 87: return;
! 88: log_debug("loading history from %s", history_file);
! 89:
! 90: f = fopen(history_file, "r");
! 91: if (f == NULL) {
! 92: log_debug("%s: %s", history_file, strerror(errno));
! 93: free(history_file);
! 94: return;
! 95: }
! 96: free(history_file);
! 97:
! 98: for (;;) {
! 99: if ((line = fgetln(f, &length)) == NULL)
! 100: break;
! 101:
! 102: if (length > 0) {
! 103: if (line[length - 1] == '\n') {
! 104: line[length - 1] = '\0';
! 105: status_prompt_add_history(line);
! 106: } else {
! 107: tmp = xmalloc(length + 1);
! 108: memcpy(tmp, line, length);
! 109: tmp[length] = '\0';
! 110: status_prompt_add_history(tmp);
! 111: free(tmp);
! 112: }
! 113: }
! 114: }
! 115: fclose(f);
! 116: }
! 117:
! 118: /* Save status prompt history to file. */
! 119: void
! 120: status_prompt_save_history(void)
! 121: {
! 122: FILE *f;
! 123: u_int i;
! 124: char *history_file;
! 125:
! 126: if ((history_file = status_prompt_find_history_file()) == NULL)
! 127: return;
! 128: log_debug("saving history to %s", history_file);
! 129:
! 130: f = fopen(history_file, "w");
! 131: if (f == NULL) {
! 132: log_debug("%s: %s", history_file, strerror(errno));
! 133: free(history_file);
! 134: return;
! 135: }
! 136: free(history_file);
! 137:
! 138: for (i = 0; i < status_prompt_hsize; i++) {
! 139: fputs(status_prompt_hlist[i], f);
! 140: fputc('\n', f);
! 141: }
! 142: fclose(f);
! 143:
! 144: }
1.65 nicm 145:
1.71 nicm 146: /* Status output tree. */
147: RB_GENERATE(status_out_tree, status_out, entry, status_out_cmp);
148:
149: /* Output tree comparison function. */
150: int
151: status_out_cmp(struct status_out *so1, struct status_out *so2)
152: {
153: return (strcmp(so1->cmd, so2->cmd));
1.87 nicm 154: }
155:
156: /* Get screen line of status line. -1 means off. */
157: int
158: status_at_line(struct client *c)
159: {
160: struct session *s = c->session;
161:
162: if (!options_get_number(&s->options, "status"))
163: return (-1);
164:
165: if (options_get_number(&s->options, "status-position") == 0)
166: return (0);
167: return (c->tty.sy - 1);
1.71 nicm 168: }
169:
1.48 nicm 170: /* Retrieve options for left string. */
171: char *
1.120 nicm 172: status_redraw_get_left(struct client *c, time_t t, int utf8flag,
173: struct grid_cell *gc, size_t *size)
1.48 nicm 174: {
175: struct session *s = c->session;
1.120 nicm 176: const char *template;
1.48 nicm 177: char *left;
178: size_t leftlen;
179:
1.108 nicm 180: style_apply_update(gc, &s->options, "status-left-style");
1.48 nicm 181:
1.120 nicm 182: template = options_get_string(&s->options, "status-left");
1.123 nicm 183: left = status_replace(c, NULL, template, t);
1.48 nicm 184:
185: *size = options_get_number(&s->options, "status-left-length");
186: leftlen = screen_write_cstrlen(utf8flag, "%s", left);
187: if (leftlen < *size)
188: *size = leftlen;
189: return (left);
190: }
191:
192: /* Retrieve options for right string. */
193: char *
1.120 nicm 194: status_redraw_get_right(struct client *c, time_t t, int utf8flag,
195: struct grid_cell *gc, size_t *size)
1.48 nicm 196: {
197: struct session *s = c->session;
1.120 nicm 198: const char *template;
1.48 nicm 199: char *right;
200: size_t rightlen;
201:
1.108 nicm 202: style_apply_update(gc, &s->options, "status-right-style");
1.48 nicm 203:
1.120 nicm 204: template = options_get_string(&s->options, "status-right");
1.123 nicm 205: right = status_replace(c, NULL, template, t);
1.48 nicm 206:
207: *size = options_get_number(&s->options, "status-right-length");
208: rightlen = screen_write_cstrlen(utf8flag, "%s", right);
209: if (rightlen < *size)
210: *size = rightlen;
211: return (right);
212: }
213:
1.125 nicm 214: /* Get window at window list position. */
215: struct window *
216: status_get_window_at(struct client *c, u_int x)
1.73 nicm 217: {
218: struct session *s = c->session;
219: struct winlink *wl;
1.115 nicm 220: struct options *oo;
221: size_t len;
1.73 nicm 222:
1.88 nicm 223: x += c->wlmouse;
1.73 nicm 224: RB_FOREACH(wl, winlinks, &s->windows) {
1.115 nicm 225: oo = &wl->window->options;
1.125 nicm 226: len = strlen(options_get_string(oo, "window-status-separator"));
1.115 nicm 227:
1.125 nicm 228: if (x < wl->status_width)
229: return (wl->window);
1.115 nicm 230: x -= wl->status_width + len;
1.73 nicm 231: }
1.125 nicm 232: return (NULL);
1.73 nicm 233: }
234:
1.1 nicm 235: /* Draw status for client on the last lines of given context. */
236: int
237: status_redraw(struct client *c)
238: {
1.48 nicm 239: struct screen_write_ctx ctx;
240: struct session *s = c->session;
241: struct winlink *wl;
242: struct screen old_status, window_list;
243: struct grid_cell stdgc, lgc, rgc, gc;
1.91 nicm 244: struct options *oo;
1.48 nicm 245: time_t t;
1.91 nicm 246: char *left, *right, *sep;
1.48 nicm 247: u_int offset, needed;
248: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
1.91 nicm 249: size_t llen, rlen, seplen;
1.48 nicm 250: int larrow, rarrow, utf8flag;
1.1 nicm 251:
1.49 nicm 252: /* No status line? */
1.7 nicm 253: if (c->tty.sy == 0 || !options_get_number(&s->options, "status"))
254: return (1);
1.48 nicm 255: left = right = NULL;
1.7 nicm 256: larrow = rarrow = 0;
1.1 nicm 257:
1.48 nicm 258: /* Update status timer. */
1.1 nicm 259: if (gettimeofday(&c->status_timer, NULL) != 0)
1.34 nicm 260: fatal("gettimeofday failed");
1.48 nicm 261: t = c->status_timer.tv_sec;
262:
263: /* Set up default colour. */
1.108 nicm 264: style_apply(&stdgc, &s->options, "status-style");
1.1 nicm 265:
1.48 nicm 266: /* Create the target screen. */
267: memcpy(&old_status, &c->status, sizeof old_status);
268: screen_init(&c->status, c->tty.sx, 1, 0);
269: screen_write_start(&ctx, NULL, &c->status);
270: for (offset = 0; offset < c->tty.sx; offset++)
271: screen_write_putc(&ctx, &stdgc, ' ');
272: screen_write_stop(&ctx);
273:
274: /* If the height is one line, blank status line. */
275: if (c->tty.sy <= 1)
276: goto out;
1.1 nicm 277:
1.48 nicm 278: /* Get UTF-8 flag. */
1.3 nicm 279: utf8flag = options_get_number(&s->options, "status-utf8");
280:
1.48 nicm 281: /* Work out left and right strings. */
282: memcpy(&lgc, &stdgc, sizeof lgc);
283: left = status_redraw_get_left(c, t, utf8flag, &lgc, &llen);
284: memcpy(&rgc, &stdgc, sizeof rgc);
285: right = status_redraw_get_right(c, t, utf8flag, &rgc, &rlen);
1.1 nicm 286:
287: /*
1.48 nicm 288: * Figure out how much space we have for the window list. If there
289: * isn't enough space, just show a blank status line.
1.1 nicm 290: */
1.55 nicm 291: needed = 0;
1.1 nicm 292: if (llen != 0)
1.118 nicm 293: needed += llen;
1.1 nicm 294: if (rlen != 0)
1.118 nicm 295: needed += rlen;
1.48 nicm 296: if (c->tty.sx == 0 || c->tty.sx <= needed)
297: goto out;
298: wlavailable = c->tty.sx - needed;
1.1 nicm 299:
1.48 nicm 300: /* Calculate the total size needed for the window list. */
301: wlstart = wloffset = wlwidth = 0;
1.1 nicm 302: RB_FOREACH(wl, winlinks, &s->windows) {
1.94 nicm 303: free(wl->status_text);
1.48 nicm 304: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
305: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.55 nicm 306: wl->status_width =
1.48 nicm 307: screen_write_cstrlen(utf8flag, "%s", wl->status_text);
308:
1.1 nicm 309: if (wl == s->curw)
1.48 nicm 310: wloffset = wlwidth;
1.91 nicm 311:
312: oo = &wl->window->options;
313: sep = options_get_string(oo, "window-status-separator");
314: seplen = screen_write_strlen(utf8flag, "%s", sep);
315: wlwidth += wl->status_width + seplen;
1.48 nicm 316: }
317:
318: /* Create a new screen for the window list. */
319: screen_init(&window_list, wlwidth, 1, 0);
320:
321: /* And draw the window list into it. */
322: screen_write_start(&ctx, NULL, &window_list);
323: RB_FOREACH(wl, winlinks, &s->windows) {
1.55 nicm 324: screen_write_cnputs(&ctx,
1.48 nicm 325: -1, &wl->status_cell, utf8flag, "%s", wl->status_text);
1.91 nicm 326:
327: oo = &wl->window->options;
328: sep = options_get_string(oo, "window-status-separator");
329: screen_write_nputs(&ctx, -1, &stdgc, utf8flag, "%s", sep);
1.1 nicm 330: }
1.48 nicm 331: screen_write_stop(&ctx);
1.1 nicm 332:
1.48 nicm 333: /* If there is enough space for the total width, skip to draw now. */
334: if (wlwidth <= wlavailable)
1.1 nicm 335: goto draw;
336:
337: /* Find size of current window text. */
1.48 nicm 338: wlsize = s->curw->status_width;
1.1 nicm 339:
340: /*
1.48 nicm 341: * If the current window is already on screen, good to draw from the
1.1 nicm 342: * start and just leave off the end.
343: */
1.48 nicm 344: if (wloffset + wlsize < wlavailable) {
345: if (wlavailable > 0) {
346: rarrow = 1;
347: wlavailable--;
348: }
349: wlwidth = wlavailable;
350: } else {
351: /*
352: * Work out how many characters we need to omit from the
353: * start. There are wlavailable characters to fill, and
354: * wloffset + wlsize must be the last. So, the start character
355: * is wloffset + wlsize - wlavailable.
356: */
357: if (wlavailable > 0) {
358: larrow = 1;
359: wlavailable--;
360: }
1.55 nicm 361:
1.48 nicm 362: wlstart = wloffset + wlsize - wlavailable;
363: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 364: rarrow = 1;
1.48 nicm 365: wlstart++;
366: wlavailable--;
1.1 nicm 367: }
1.48 nicm 368: wlwidth = wlavailable;
369: }
1.1 nicm 370:
1.48 nicm 371: /* Bail if anything is now too small too. */
372: if (wlwidth == 0 || wlavailable == 0) {
373: screen_free(&window_list);
374: goto out;
1.1 nicm 375: }
376:
377: /*
1.48 nicm 378: * Now the start position is known, work out the state of the left and
379: * right arrows.
1.1 nicm 380: */
381: offset = 0;
382: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 383: if (wl->flags & WINLINK_ALERTFLAGS &&
384: larrow == 1 && offset < wlstart)
385: larrow = -1;
1.1 nicm 386:
1.48 nicm 387: offset += wl->status_width;
1.1 nicm 388:
1.63 nicm 389: if (wl->flags & WINLINK_ALERTFLAGS &&
390: rarrow == 1 && offset > wlstart + wlwidth)
391: rarrow = -1;
1.1 nicm 392: }
393:
1.48 nicm 394: draw:
1.55 nicm 395: /* Begin drawing. */
1.48 nicm 396: screen_write_start(&ctx, NULL, &c->status);
1.1 nicm 397:
1.48 nicm 398: /* Draw the left string and arrow. */
399: screen_write_cursormove(&ctx, 0, 0);
1.118 nicm 400: if (llen != 0)
1.48 nicm 401: screen_write_cnputs(&ctx, llen, &lgc, utf8flag, "%s", left);
1.1 nicm 402: if (larrow != 0) {
403: memcpy(&gc, &stdgc, sizeof gc);
404: if (larrow == -1)
405: gc.attr ^= GRID_ATTR_REVERSE;
406: screen_write_putc(&ctx, &gc, '<');
407: }
1.48 nicm 408:
409: /* Draw the right string and arrow. */
1.1 nicm 410: if (rarrow != 0) {
1.118 nicm 411: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
1.1 nicm 412: memcpy(&gc, &stdgc, sizeof gc);
413: if (rarrow == -1)
414: gc.attr ^= GRID_ATTR_REVERSE;
415: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 416: } else
1.118 nicm 417: screen_write_cursormove(&ctx, c->tty.sx - rlen, 0);
418: if (rlen != 0)
1.48 nicm 419: screen_write_cnputs(&ctx, rlen, &rgc, utf8flag, "%s", right);
1.1 nicm 420:
1.48 nicm 421: /* Figure out the offset for the window list. */
1.58 nicm 422: if (llen != 0)
1.118 nicm 423: wloffset = llen;
1.58 nicm 424: else
425: wloffset = 0;
1.48 nicm 426: if (wlwidth < wlavailable) {
427: switch (options_get_number(&s->options, "status-justify")) {
1.119 sthen 428: case 1: /* centred */
1.58 nicm 429: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 430: break;
431: case 2: /* right */
1.58 nicm 432: wloffset += (wlavailable - wlwidth);
1.48 nicm 433: break;
434: }
435: }
436: if (larrow != 0)
437: wloffset++;
438:
439: /* Copy the window list. */
1.88 nicm 440: c->wlmouse = -wloffset + wlstart;
1.48 nicm 441: screen_write_cursormove(&ctx, wloffset, 0);
442: screen_write_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 443: screen_free(&window_list);
1.1 nicm 444:
1.48 nicm 445: screen_write_stop(&ctx);
1.1 nicm 446:
447: out:
1.94 nicm 448: free(left);
449: free(right);
1.1 nicm 450:
451: if (grid_compare(c->status.grid, old_status.grid) == 0) {
452: screen_free(&old_status);
453: return (0);
454: }
455: screen_free(&old_status);
456: return (1);
457: }
458:
1.46 nicm 459: /* Replace special sequences in fmt. */
460: char *
1.123 nicm 461: status_replace(struct client *c, struct winlink *wl, const char *fmt, time_t t)
1.46 nicm 462: {
1.96 nicm 463: struct format_tree *ft;
1.129 nicm 464: char *expanded;
1.47 nicm 465:
1.93 nicm 466: if (fmt == NULL)
467: return (xstrdup(""));
468:
1.129 nicm 469: ft = format_create_status(1);
470: format_defaults(ft, c, NULL, wl, NULL);
1.1 nicm 471:
1.129 nicm 472: expanded = format_expand_time(ft, fmt, t);
1.46 nicm 473:
1.99 nicm 474: format_free(ft);
475: return (expanded);
1.1 nicm 476: }
477:
1.46 nicm 478: /* Return winlink status line entry and adjust gc as necessary. */
1.1 nicm 479: char *
1.120 nicm 480: status_print(struct client *c, struct winlink *wl, time_t t,
481: struct grid_cell *gc)
1.1 nicm 482: {
1.33 nicm 483: struct options *oo = &wl->window->options;
1.47 nicm 484: struct session *s = c->session;
485: const char *fmt;
486: char *text;
1.1 nicm 487:
1.108 nicm 488: style_apply_update(gc, oo, "window-status-style");
1.47 nicm 489: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 490: if (wl == s->curw) {
1.108 nicm 491: style_apply_update(gc, oo, "window-status-current-style");
1.47 nicm 492: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 493: }
1.108 nicm 494: if (wl == TAILQ_FIRST(&s->lastw))
495: style_apply_update(gc, oo, "window-status-last-style");
496:
497: if (wl->flags & WINLINK_BELL)
498: style_apply_update(gc, oo, "window-status-bell-style");
499: else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
500: style_apply_update(gc, oo, "window-status-activity-style");
1.1 nicm 501:
1.123 nicm 502: text = status_replace(c, wl, fmt, t);
1.1 nicm 503: return (text);
504: }
505:
1.46 nicm 506: /* Set a status line message. */
1.117 nicm 507: void
1.10 nicm 508: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 509: {
1.44 nicm 510: struct timeval tv;
1.127 nicm 511: struct message_entry *msg, *msg1;
1.44 nicm 512: va_list ap;
513: int delay;
1.127 nicm 514: u_int first, limit;
515:
516: limit = options_get_number(&global_options, "message-limit");
1.1 nicm 517:
1.12 nicm 518: status_prompt_clear(c);
519: status_message_clear(c);
520:
1.28 nicm 521: va_start(ap, fmt);
522: xvasprintf(&c->message_string, fmt, ap);
523: va_end(ap);
524:
1.127 nicm 525: msg = xcalloc(1, sizeof *msg);
1.44 nicm 526: msg->msg_time = time(NULL);
1.127 nicm 527: msg->msg_num = c->message_next++;
1.44 nicm 528: msg->msg = xstrdup(c->message_string);
1.127 nicm 529: TAILQ_INSERT_TAIL(&c->message_log, msg, entry);
1.44 nicm 530:
1.127 nicm 531: first = c->message_next - limit;
532: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
533: if (msg->msg_num >= first)
534: continue;
535: free(msg->msg);
536: TAILQ_REMOVE(&c->message_log, msg, entry);
537: free(msg);
1.44 nicm 538: }
539:
1.1 nicm 540: delay = options_get_number(&c->session->options, "display-time");
541: tv.tv_sec = delay / 1000;
542: tv.tv_usec = (delay % 1000) * 1000L;
1.44 nicm 543:
1.110 nicm 544: if (event_initialized(&c->message_timer))
1.90 nicm 545: evtimer_del(&c->message_timer);
1.42 nicm 546: evtimer_set(&c->message_timer, status_message_callback, c);
547: evtimer_add(&c->message_timer, &tv);
1.1 nicm 548:
549: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
550: c->flags |= CLIENT_STATUS;
551: }
552:
1.46 nicm 553: /* Clear status line message. */
1.1 nicm 554: void
555: status_message_clear(struct client *c)
556: {
557: if (c->message_string == NULL)
558: return;
559:
1.94 nicm 560: free(c->message_string);
1.1 nicm 561: c->message_string = NULL;
562:
563: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 564: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 565:
566: screen_reinit(&c->status);
1.42 nicm 567: }
568:
1.46 nicm 569: /* Clear status line message after timer expires. */
1.42 nicm 570: void
571: status_message_callback(unused int fd, unused short event, void *data)
572: {
573: struct client *c = data;
574:
575: status_message_clear(c);
1.1 nicm 576: }
577:
578: /* Draw client message on status line of present else on last line. */
579: int
580: status_message_redraw(struct client *c)
581: {
582: struct screen_write_ctx ctx;
583: struct session *s = c->session;
584: struct screen old_status;
585: size_t len;
586: struct grid_cell gc;
1.51 nicm 587: int utf8flag;
1.1 nicm 588:
589: if (c->tty.sx == 0 || c->tty.sy == 0)
590: return (0);
591: memcpy(&old_status, &c->status, sizeof old_status);
592: screen_init(&c->status, c->tty.sx, 1, 0);
593:
1.51 nicm 594: utf8flag = options_get_number(&s->options, "status-utf8");
595:
596: len = screen_write_strlen(utf8flag, "%s", c->message_string);
1.1 nicm 597: if (len > c->tty.sx)
598: len = c->tty.sx;
599:
1.108 nicm 600: style_apply(&gc, &s->options, "message-style");
1.1 nicm 601:
602: screen_write_start(&ctx, NULL, &c->status);
603:
604: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 605: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->message_string);
1.1 nicm 606: for (; len < c->tty.sx; len++)
607: screen_write_putc(&ctx, &gc, ' ');
608:
609: screen_write_stop(&ctx);
610:
611: if (grid_compare(c->status.grid, old_status.grid) == 0) {
612: screen_free(&old_status);
613: return (0);
614: }
615: screen_free(&old_status);
616: return (1);
617: }
618:
1.46 nicm 619: /* Enable status line prompt. */
1.1 nicm 620: void
1.76 nicm 621: status_prompt_set(struct client *c, const char *msg, const char *input,
1.12 nicm 622: int (*callbackfn)(void *, const char *), void (*freefn)(void *),
623: void *data, int flags)
1.1 nicm 624: {
1.122 nicm 625: struct format_tree *ft;
626: int keys;
627: time_t t;
628:
629: ft = format_create();
630: format_defaults(ft, c, NULL, NULL, NULL);
631: t = time(NULL);
1.20 nicm 632:
1.12 nicm 633: status_message_clear(c);
634: status_prompt_clear(c);
635:
1.124 nicm 636: c->prompt_string = format_expand_time(ft, msg, t);
1.1 nicm 637:
1.124 nicm 638: c->prompt_buffer = format_expand_time(ft, input, t);
1.76 nicm 639: c->prompt_index = strlen(c->prompt_buffer);
1.1 nicm 640:
1.12 nicm 641: c->prompt_callbackfn = callbackfn;
642: c->prompt_freefn = freefn;
1.1 nicm 643: c->prompt_data = data;
644:
645: c->prompt_hindex = 0;
646:
647: c->prompt_flags = flags;
648:
1.20 nicm 649: keys = options_get_number(&c->session->options, "status-keys");
650: if (keys == MODEKEY_EMACS)
1.21 nicm 651: mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
1.20 nicm 652: else
1.21 nicm 653: mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
1.1 nicm 654:
655: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
656: c->flags |= CLIENT_STATUS;
1.122 nicm 657:
658: format_free(ft);
1.1 nicm 659: }
660:
1.46 nicm 661: /* Remove status line prompt. */
1.1 nicm 662: void
663: status_prompt_clear(struct client *c)
664: {
1.55 nicm 665: if (c->prompt_string == NULL)
1.1 nicm 666: return;
667:
1.12 nicm 668: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
669: c->prompt_freefn(c->prompt_data);
1.1 nicm 670:
1.94 nicm 671: free(c->prompt_string);
1.1 nicm 672: c->prompt_string = NULL;
673:
1.94 nicm 674: free(c->prompt_buffer);
1.1 nicm 675: c->prompt_buffer = NULL;
676:
677: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 678: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 679:
680: screen_reinit(&c->status);
1.27 nicm 681: }
682:
1.46 nicm 683: /* Update status line prompt with a new prompt string. */
1.27 nicm 684: void
1.76 nicm 685: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 686: {
1.122 nicm 687: struct format_tree *ft;
688: time_t t;
689:
690: ft = format_create();
691: format_defaults(ft, c, NULL, NULL, NULL);
692: t = time(NULL);
693:
1.94 nicm 694: free(c->prompt_string);
1.124 nicm 695: c->prompt_string = format_expand_time(ft, msg, t);
1.27 nicm 696:
1.94 nicm 697: free(c->prompt_buffer);
1.124 nicm 698: c->prompt_buffer = format_expand_time(ft, input, t);
1.76 nicm 699: c->prompt_index = strlen(c->prompt_buffer);
1.27 nicm 700:
701: c->prompt_hindex = 0;
702:
703: c->flags |= CLIENT_STATUS;
1.122 nicm 704:
705: format_free(ft);
1.1 nicm 706: }
707:
708: /* Draw client prompt on status line of present else on last line. */
709: int
710: status_prompt_redraw(struct client *c)
711: {
1.51 nicm 712: struct screen_write_ctx ctx;
1.1 nicm 713: struct session *s = c->session;
714: struct screen old_status;
1.29 nicm 715: size_t i, size, left, len, off;
1.51 nicm 716: struct grid_cell gc, *gcp;
717: int utf8flag;
1.1 nicm 718:
719: if (c->tty.sx == 0 || c->tty.sy == 0)
720: return (0);
721: memcpy(&old_status, &c->status, sizeof old_status);
722: screen_init(&c->status, c->tty.sx, 1, 0);
723:
1.51 nicm 724: utf8flag = options_get_number(&s->options, "status-utf8");
725:
726: len = screen_write_strlen(utf8flag, "%s", c->prompt_string);
1.1 nicm 727: if (len > c->tty.sx)
728: len = c->tty.sx;
1.51 nicm 729: off = 0;
1.1 nicm 730:
1.79 nicm 731: /* Change colours for command mode. */
1.108 nicm 732: if (c->prompt_mdata.mode == 1)
733: style_apply(&gc, &s->options, "message-command-style");
734: else
735: style_apply(&gc, &s->options, "message-style");
1.1 nicm 736:
737: screen_write_start(&ctx, NULL, &c->status);
738:
739: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 740: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->prompt_string);
1.1 nicm 741:
742: left = c->tty.sx - len;
743: if (left != 0) {
1.51 nicm 744: size = screen_write_strlen(utf8flag, "%s", c->prompt_buffer);
745: if (c->prompt_index >= left) {
1.17 nicm 746: off = c->prompt_index - left + 1;
1.51 nicm 747: if (c->prompt_index == size)
1.1 nicm 748: left--;
749: size = left;
750: }
1.51 nicm 751: screen_write_nputs(
752: &ctx, left, &gc, utf8flag, "%s", c->prompt_buffer + off);
1.1 nicm 753:
1.55 nicm 754: for (i = len + size; i < c->tty.sx; i++)
755: screen_write_putc(&ctx, &gc, ' ');
1.1 nicm 756: }
757:
758: screen_write_stop(&ctx);
1.51 nicm 759:
760: /* Apply fake cursor. */
761: off = len + c->prompt_index - off;
762: gcp = grid_view_get_cell(c->status.grid, off, 0);
763: gcp->attr ^= GRID_ATTR_REVERSE;
1.1 nicm 764:
765: if (grid_compare(c->status.grid, old_status.grid) == 0) {
766: screen_free(&old_status);
767: return (0);
768: }
769: screen_free(&old_status);
770: return (1);
771: }
772:
773: /* Handle keys in prompt. */
774: void
775: status_prompt_key(struct client *c, int key)
776: {
1.81 nicm 777: struct session *sess = c->session;
778: struct options *oo = &sess->options;
1.1 nicm 779: struct paste_buffer *pb;
1.81 nicm 780: char *s, *first, *last, word[64], swapc;
781: const char *histstr;
1.83 nicm 782: const char *wsep = NULL;
1.53 nicm 783: u_char ch;
1.1 nicm 784: size_t size, n, off, idx;
785:
786: size = strlen(c->prompt_buffer);
1.101 nicm 787: switch (mode_key_lookup(&c->prompt_mdata, key, NULL)) {
1.20 nicm 788: case MODEKEYEDIT_CURSORLEFT:
1.1 nicm 789: if (c->prompt_index > 0) {
790: c->prompt_index--;
791: c->flags |= CLIENT_STATUS;
792: }
793: break;
1.79 nicm 794: case MODEKEYEDIT_SWITCHMODE:
795: c->flags |= CLIENT_STATUS;
796: break;
1.20 nicm 797: case MODEKEYEDIT_SWITCHMODEAPPEND:
1.79 nicm 798: c->flags |= CLIENT_STATUS;
799: /* FALLTHROUGH */
1.20 nicm 800: case MODEKEYEDIT_CURSORRIGHT:
1.1 nicm 801: if (c->prompt_index < size) {
802: c->prompt_index++;
803: c->flags |= CLIENT_STATUS;
804: }
805: break;
1.89 nicm 806: case MODEKEYEDIT_SWITCHMODEBEGINLINE:
807: c->flags |= CLIENT_STATUS;
808: /* FALLTHROUGH */
1.20 nicm 809: case MODEKEYEDIT_STARTOFLINE:
1.1 nicm 810: if (c->prompt_index != 0) {
811: c->prompt_index = 0;
812: c->flags |= CLIENT_STATUS;
813: }
814: break;
1.89 nicm 815: case MODEKEYEDIT_SWITCHMODEAPPENDLINE:
816: c->flags |= CLIENT_STATUS;
817: /* FALLTHROUGH */
1.20 nicm 818: case MODEKEYEDIT_ENDOFLINE:
1.1 nicm 819: if (c->prompt_index != size) {
820: c->prompt_index = size;
821: c->flags |= CLIENT_STATUS;
822: }
823: break;
1.20 nicm 824: case MODEKEYEDIT_COMPLETE:
1.1 nicm 825: if (*c->prompt_buffer == '\0')
826: break;
827:
828: idx = c->prompt_index;
829: if (idx != 0)
830: idx--;
831:
832: /* Find the word we are in. */
833: first = c->prompt_buffer + idx;
834: while (first > c->prompt_buffer && *first != ' ')
835: first--;
836: while (*first == ' ')
837: first++;
838: last = c->prompt_buffer + idx;
839: while (*last != '\0' && *last != ' ')
840: last++;
841: while (*last == ' ')
842: last--;
843: if (*last != '\0')
844: last++;
845: if (last <= first ||
846: ((size_t) (last - first)) > (sizeof word) - 1)
847: break;
848: memcpy(word, first, last - first);
849: word[last - first] = '\0';
850:
851: /* And try to complete it. */
1.128 nicm 852: if ((s = status_prompt_complete(sess, word)) == NULL)
1.1 nicm 853: break;
854:
855: /* Trim out word. */
856: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
857: memmove(first, last, n);
858: size -= last - first;
859:
860: /* Insert the new word. */
1.55 nicm 861: size += strlen(s);
1.1 nicm 862: off = first - c->prompt_buffer;
1.116 nicm 863: c->prompt_buffer = xrealloc(c->prompt_buffer, size + 1);
1.1 nicm 864: first = c->prompt_buffer + off;
1.55 nicm 865: memmove(first + strlen(s), first, n);
866: memcpy(first, s, strlen(s));
1.1 nicm 867:
868: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 869: free(s);
1.1 nicm 870:
871: c->flags |= CLIENT_STATUS;
872: break;
1.20 nicm 873: case MODEKEYEDIT_BACKSPACE:
1.1 nicm 874: if (c->prompt_index != 0) {
875: if (c->prompt_index == size)
876: c->prompt_buffer[--c->prompt_index] = '\0';
877: else {
878: memmove(c->prompt_buffer + c->prompt_index - 1,
879: c->prompt_buffer + c->prompt_index,
880: size + 1 - c->prompt_index);
881: c->prompt_index--;
882: }
883: c->flags |= CLIENT_STATUS;
884: }
885: break;
1.55 nicm 886: case MODEKEYEDIT_DELETE:
1.105 nicm 887: case MODEKEYEDIT_SWITCHMODESUBSTITUTE:
1.1 nicm 888: if (c->prompt_index != size) {
889: memmove(c->prompt_buffer + c->prompt_index,
890: c->prompt_buffer + c->prompt_index + 1,
891: size + 1 - c->prompt_index);
1.18 nicm 892: c->flags |= CLIENT_STATUS;
893: }
1.26 nicm 894: break;
895: case MODEKEYEDIT_DELETELINE:
1.105 nicm 896: case MODEKEYEDIT_SWITCHMODESUBSTITUTELINE:
1.26 nicm 897: *c->prompt_buffer = '\0';
898: c->prompt_index = 0;
899: c->flags |= CLIENT_STATUS;
1.18 nicm 900: break;
1.20 nicm 901: case MODEKEYEDIT_DELETETOENDOFLINE:
1.105 nicm 902: case MODEKEYEDIT_SWITCHMODECHANGELINE:
1.18 nicm 903: if (c->prompt_index < size) {
904: c->prompt_buffer[c->prompt_index] = '\0';
1.1 nicm 905: c->flags |= CLIENT_STATUS;
906: }
907: break;
1.81 nicm 908: case MODEKEYEDIT_DELETEWORD:
909: wsep = options_get_string(oo, "word-separators");
910: idx = c->prompt_index;
911:
912: /* Find a non-separator. */
913: while (idx != 0) {
914: idx--;
915: if (!strchr(wsep, c->prompt_buffer[idx]))
916: break;
917: }
918:
919: /* Find the separator at the beginning of the word. */
920: while (idx != 0) {
921: idx--;
922: if (strchr(wsep, c->prompt_buffer[idx])) {
923: /* Go back to the word. */
924: idx++;
925: break;
926: }
927: }
928:
929: memmove(c->prompt_buffer + idx,
930: c->prompt_buffer + c->prompt_index,
931: size + 1 - c->prompt_index);
932: memset(c->prompt_buffer + size - (c->prompt_index - idx),
933: '\0', c->prompt_index - idx);
934: c->prompt_index = idx;
935: c->flags |= CLIENT_STATUS;
936: break;
1.83 nicm 937: case MODEKEYEDIT_NEXTSPACE:
938: wsep = " ";
939: /* FALLTHROUGH */
1.81 nicm 940: case MODEKEYEDIT_NEXTWORD:
1.83 nicm 941: if (wsep == NULL)
942: wsep = options_get_string(oo, "word-separators");
1.81 nicm 943:
944: /* Find a separator. */
945: while (c->prompt_index != size) {
946: c->prompt_index++;
947: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
948: break;
949: }
950:
951: /* Find the word right after the separation. */
952: while (c->prompt_index != size) {
953: c->prompt_index++;
954: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
955: break;
956: }
957:
958: c->flags |= CLIENT_STATUS;
959: break;
1.83 nicm 960: case MODEKEYEDIT_NEXTSPACEEND:
961: wsep = " ";
962: /* FALLTHROUGH */
1.81 nicm 963: case MODEKEYEDIT_NEXTWORDEND:
1.83 nicm 964: if (wsep == NULL)
965: wsep = options_get_string(oo, "word-separators");
1.81 nicm 966:
967: /* Find a word. */
968: while (c->prompt_index != size) {
969: c->prompt_index++;
970: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
971: break;
972: }
973:
974: /* Find the separator at the end of the word. */
975: while (c->prompt_index != size) {
976: c->prompt_index++;
1.82 nicm 977: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1.81 nicm 978: break;
979: }
1.106 nicm 980:
981: /* Back up to the end-of-word like vi. */
982: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
983: c->prompt_index != 0)
984: c->prompt_index--;
1.81 nicm 985:
986: c->flags |= CLIENT_STATUS;
987: break;
1.83 nicm 988: case MODEKEYEDIT_PREVIOUSSPACE:
989: wsep = " ";
990: /* FALLTHROUGH */
1.81 nicm 991: case MODEKEYEDIT_PREVIOUSWORD:
1.83 nicm 992: if (wsep == NULL)
993: wsep = options_get_string(oo, "word-separators");
1.81 nicm 994:
995: /* Find a non-separator. */
996: while (c->prompt_index != 0) {
997: c->prompt_index--;
998: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
999: break;
1000: }
1001:
1002: /* Find the separator at the beginning of the word. */
1003: while (c->prompt_index != 0) {
1004: c->prompt_index--;
1005: if (strchr(wsep, c->prompt_buffer[c->prompt_index])) {
1006: /* Go back to the word. */
1007: c->prompt_index++;
1008: break;
1009: }
1010: }
1011:
1012: c->flags |= CLIENT_STATUS;
1013: break;
1.20 nicm 1014: case MODEKEYEDIT_HISTORYUP:
1.66 nicm 1015: histstr = status_prompt_up_history(&c->prompt_hindex);
1016: if (histstr == NULL)
1.1 nicm 1017: break;
1.94 nicm 1018: free(c->prompt_buffer);
1.66 nicm 1019: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1020: c->prompt_index = strlen(c->prompt_buffer);
1021: c->flags |= CLIENT_STATUS;
1022: break;
1.20 nicm 1023: case MODEKEYEDIT_HISTORYDOWN:
1.66 nicm 1024: histstr = status_prompt_down_history(&c->prompt_hindex);
1025: if (histstr == NULL)
1.65 nicm 1026: break;
1.94 nicm 1027: free(c->prompt_buffer);
1.66 nicm 1028: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1029: c->prompt_index = strlen(c->prompt_buffer);
1030: c->flags |= CLIENT_STATUS;
1031: break;
1.20 nicm 1032: case MODEKEYEDIT_PASTE:
1.114 nicm 1033: if ((pb = paste_get_top()) == NULL)
1.1 nicm 1034: break;
1.32 nicm 1035: for (n = 0; n < pb->size; n++) {
1.53 nicm 1036: ch = (u_char) pb->data[n];
1037: if (ch < 32 || ch == 127)
1.32 nicm 1038: break;
1039: }
1.1 nicm 1040:
1.116 nicm 1041: c->prompt_buffer = xrealloc(c->prompt_buffer, size + n + 1);
1.1 nicm 1042: if (c->prompt_index == size) {
1043: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1044: c->prompt_index += n;
1045: c->prompt_buffer[c->prompt_index] = '\0';
1046: } else {
1047: memmove(c->prompt_buffer + c->prompt_index + n,
1048: c->prompt_buffer + c->prompt_index,
1049: size + 1 - c->prompt_index);
1050: memcpy(c->prompt_buffer + c->prompt_index, pb->data, n);
1051: c->prompt_index += n;
1052: }
1053:
1054: c->flags |= CLIENT_STATUS;
1.30 nicm 1055: break;
1056: case MODEKEYEDIT_TRANSPOSECHARS:
1057: idx = c->prompt_index;
1058: if (idx < size)
1059: idx++;
1060: if (idx >= 2) {
1061: swapc = c->prompt_buffer[idx - 2];
1062: c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
1063: c->prompt_buffer[idx - 1] = swapc;
1064: c->prompt_index = idx;
1065: c->flags |= CLIENT_STATUS;
1066: }
1.1 nicm 1067: break;
1.55 nicm 1068: case MODEKEYEDIT_ENTER:
1.25 nicm 1069: if (*c->prompt_buffer != '\0')
1.65 nicm 1070: status_prompt_add_history(c->prompt_buffer);
1.25 nicm 1071: if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
1072: status_prompt_clear(c);
1073: break;
1.20 nicm 1074: case MODEKEYEDIT_CANCEL:
1.12 nicm 1075: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1076: status_prompt_clear(c);
1077: break;
1.20 nicm 1078: case MODEKEY_OTHER:
1.61 nicm 1079: if ((key & 0xff00) != 0 || key < 32 || key == 127)
1.1 nicm 1080: break;
1.116 nicm 1081: c->prompt_buffer = xrealloc(c->prompt_buffer, size + 2);
1.1 nicm 1082:
1083: if (c->prompt_index == size) {
1084: c->prompt_buffer[c->prompt_index++] = key;
1085: c->prompt_buffer[c->prompt_index] = '\0';
1086: } else {
1087: memmove(c->prompt_buffer + c->prompt_index + 1,
1088: c->prompt_buffer + c->prompt_index,
1089: size + 1 - c->prompt_index);
1090: c->prompt_buffer[c->prompt_index++] = key;
1091: }
1092:
1093: if (c->prompt_flags & PROMPT_SINGLE) {
1.12 nicm 1094: if (c->prompt_callbackfn(
1.1 nicm 1095: c->prompt_data, c->prompt_buffer) == 0)
1096: status_prompt_clear(c);
1097: }
1098:
1099: c->flags |= CLIENT_STATUS;
1100: break;
1101: default:
1102: break;
1103: }
1104: }
1105:
1.65 nicm 1106: /* Get previous line from the history. */
1107: const char *
1108: status_prompt_up_history(u_int *idx)
1109: {
1110: /*
1.128 nicm 1111: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1112: * empty.
1.65 nicm 1113: */
1114:
1.128 nicm 1115: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1116: return (NULL);
1117: (*idx)++;
1.128 nicm 1118: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1119: }
1120:
1121: /* Get next line from the history. */
1122: const char *
1123: status_prompt_down_history(u_int *idx)
1124: {
1.128 nicm 1125: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1126: return ("");
1127: (*idx)--;
1128: if (*idx == 0)
1129: return ("");
1.128 nicm 1130: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1131: }
1132:
1.1 nicm 1133: /* Add line to the history. */
1134: void
1.65 nicm 1135: status_prompt_add_history(const char *line)
1.1 nicm 1136: {
1.128 nicm 1137: size_t size;
1.65 nicm 1138:
1.128 nicm 1139: if (status_prompt_hsize > 0 &&
1140: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1141: return;
1142:
1.128 nicm 1143: if (status_prompt_hsize == PROMPT_HISTORY) {
1144: free(status_prompt_hlist[0]);
1.1 nicm 1145:
1.128 nicm 1146: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1147: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1148:
1.128 nicm 1149: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1150: return;
1151: }
1.1 nicm 1152:
1.128 nicm 1153: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1154: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1155: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1156: }
1157:
1158: /* Build completion list. */
1159: const char **
1160: status_prompt_complete_list(u_int *size, const char *s)
1161: {
1162: const char **list = NULL, **layout;
1163: const struct cmd_entry **cmdent;
1164: const struct options_table_entry *oe;
1165: const char *layouts[] = {
1166: "even-horizontal", "even-vertical", "main-horizontal",
1167: "main-vertical", "tiled", NULL
1168: };
1.1 nicm 1169:
1.128 nicm 1170: *size = 0;
1.1 nicm 1171: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.128 nicm 1172: if (strncmp((*cmdent)->name, s, strlen(s)) == 0) {
1173: list = xreallocarray(list, (*size) + 1, sizeof *list);
1174: list[(*size)++] = (*cmdent)->name;
1175: }
1.56 nicm 1176: }
1.69 nicm 1177: for (oe = server_options_table; oe->name != NULL; oe++) {
1.128 nicm 1178: if (strncmp(oe->name, s, strlen(s)) == 0) {
1179: list = xreallocarray(list, (*size) + 1, sizeof *list);
1180: list[(*size)++] = oe->name;
1181: }
1.69 nicm 1182: }
1183: for (oe = session_options_table; oe->name != NULL; oe++) {
1.128 nicm 1184: if (strncmp(oe->name, s, strlen(s)) == 0) {
1185: list = xreallocarray(list, (*size) + 1, sizeof *list);
1186: list[(*size)++] = oe->name;
1187: }
1.69 nicm 1188: }
1189: for (oe = window_options_table; oe->name != NULL; oe++) {
1.128 nicm 1190: if (strncmp(oe->name, s, strlen(s)) == 0) {
1191: list = xreallocarray(list, (*size) + 1, sizeof *list);
1192: list[(*size)++] = oe->name;
1193: }
1194: }
1195: for (layout = layouts; *layout != NULL; layout++) {
1196: if (strncmp(*layout, s, strlen(s)) == 0) {
1197: list = xreallocarray(list, (*size) + 1, sizeof *list);
1198: list[(*size)++] = *layout;
1199: }
1200: }
1201: return (list);
1202: }
1203:
1204: /* Find longest prefix. */
1205: char *
1206: status_prompt_complete_prefix(const char **list, u_int size)
1207: {
1208: char *out;
1209: u_int i;
1210: size_t j;
1211:
1212: out = xstrdup(list[0]);
1213: for (i = 1; i < size; i++) {
1214: j = strlen(list[i]);
1215: if (j > strlen(out))
1216: j = strlen(out);
1217: for (; j > 0; j--) {
1218: if (out[j - 1] != list[i][j - 1])
1219: out[j - 1] = '\0';
1220: }
1.1 nicm 1221: }
1.128 nicm 1222: return (out);
1223: }
1.1 nicm 1224:
1.128 nicm 1225: /* Complete word. */
1226: char *
1227: status_prompt_complete(struct session *sess, const char *s)
1228: {
1229: const char **list = NULL, *colon;
1230: u_int size = 0, i;
1231: struct session *s_loop;
1232: struct winlink *wl;
1233: struct window *w;
1234: char *copy, *out, *tmp;
1235:
1236: if (*s == '\0')
1.1 nicm 1237: return (NULL);
1.128 nicm 1238: out = NULL;
1239:
1240: if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
1241: list = status_prompt_complete_list(&size, s);
1242: if (size == 0)
1243: out = NULL;
1244: else if (size == 1)
1245: xasprintf(&out, "%s ", list[0]);
1246: else
1247: out = status_prompt_complete_prefix(list, size);
1248: free(list);
1249: return (out);
1250: }
1251: copy = xstrdup(s);
1252:
1253: colon = ":";
1254: if (copy[strlen(copy) - 1] == ':')
1255: copy[strlen(copy) - 1] = '\0';
1256: else
1257: colon = "";
1258: s = copy + 2;
1.1 nicm 1259:
1.128 nicm 1260: RB_FOREACH(s_loop, sessions, &sessions) {
1261: if (strncmp(s_loop->name, s, strlen(s)) == 0) {
1262: list = xreallocarray(list, size + 2, sizeof *list);
1263: list[size++] = s_loop->name;
1264: }
1265: }
1266: if (size == 1) {
1267: out = xstrdup(list[0]);
1268: if (session_find(list[0]) != NULL)
1269: colon = ":";
1270: } else if (size != 0)
1271: out = status_prompt_complete_prefix(list, size);
1272: if (out != NULL) {
1273: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1274: out = tmp;
1275: goto found;
1276: }
1277:
1278: colon = "";
1279: if (*s == ':') {
1280: RB_FOREACH(wl, winlinks, &sess->windows) {
1281: xasprintf(&tmp, ":%s", wl->window->name);
1282: if (strncmp(tmp, s, strlen(s)) == 0){
1283: list = xreallocarray(list, size + 1,
1284: sizeof *list);
1285: list[size++] = tmp;
1286: continue;
1287: }
1288: free(tmp);
1.1 nicm 1289:
1.128 nicm 1290: xasprintf(&tmp, ":%d", wl->idx);
1291: if (strncmp(tmp, s, strlen(s)) == 0) {
1292: list = xreallocarray(list, size + 1,
1293: sizeof *list);
1294: list[size++] = tmp;
1295: continue;
1296: }
1297: free(tmp);
1298: }
1299: } else {
1300: RB_FOREACH(s_loop, sessions, &sessions) {
1301: RB_FOREACH(wl, winlinks, &s_loop->windows) {
1302: w = wl->window;
1303:
1304: xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
1305: if (strncmp(tmp, s, strlen(s)) == 0) {
1306: list = xreallocarray(list, size + 1,
1307: sizeof *list);
1308: list[size++] = tmp;
1309: continue;
1310: }
1311: free(tmp);
1312:
1313: xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
1314: if (strncmp(tmp, s, strlen(s)) == 0) {
1315: list = xreallocarray(list, size + 1,
1316: sizeof *list);
1317: list[size++] = tmp;
1318: continue;
1319: }
1320: free(tmp);
1321: }
1.1 nicm 1322: }
1323: }
1.128 nicm 1324: if (size == 1) {
1325: out = xstrdup(list[0]);
1326: colon = " ";
1327: } else if (size != 0)
1328: out = status_prompt_complete_prefix(list, size);
1329: if (out != NULL) {
1330: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1331: out = tmp;
1332: }
1333:
1334: for (i = 0; i < size; i++)
1335: free((void *)list[i]);
1336:
1337: found:
1338: free(copy);
1339: free(list);
1340: return (out);
1.1 nicm 1341: }
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