Annotation of src/usr.bin/tmux/status.c, Revision 1.134
1.134 ! nicm 1: /* $OpenBSD: status.c,v 1.133 2015/08/28 12:16:28 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);
1.42 nicm 39: void status_message_callback(int, short, void *);
1.133 nicm 40: void status_timer_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:
1.87 nicm 144: }
145:
1.133 nicm 146: /* Status timer callback. */
147: void
148: status_timer_callback(unused int fd, unused short events, void *arg)
149: {
150: struct client *c = arg;
151: struct session *s = c->session;
152: struct timeval tv;
153:
154: evtimer_del(&c->status_timer);
155:
156: if (s == NULL)
157: return;
158:
159: if (c->message_string == NULL && c->prompt_string == NULL)
160: c->flags |= CLIENT_STATUS;
161:
162: timerclear(&tv);
163: tv.tv_sec = options_get_number(&s->options, "status-interval");
164:
165: if (tv.tv_sec != 0)
166: evtimer_add(&c->status_timer, &tv);
167: log_debug("client %d, status interval %d", c->ibuf.fd, (int)tv.tv_sec);
168: }
169:
170: /* Start status timer for client. */
171: void
172: status_timer_start(struct client *c)
173: {
174: struct session *s = c->session;
175:
176: if (event_initialized(&c->status_timer))
177: evtimer_del(&c->status_timer);
178: else
179: evtimer_set(&c->status_timer, status_timer_callback, c);
180:
181: if (s != NULL && options_get_number(&s->options, "status"))
182: status_timer_callback(-1, 0, c);
183: }
184:
185: /* Start status timer for all clients. */
186: void
187: status_timer_start_all(void)
188: {
189: struct client *c;
190:
191: TAILQ_FOREACH(c, &clients, entry)
192: status_timer_start(c);
193: }
194:
1.87 nicm 195: /* Get screen line of status line. -1 means off. */
196: int
197: status_at_line(struct client *c)
198: {
199: struct session *s = c->session;
200:
201: if (!options_get_number(&s->options, "status"))
202: return (-1);
203:
204: if (options_get_number(&s->options, "status-position") == 0)
205: return (0);
206: return (c->tty.sy - 1);
1.71 nicm 207: }
208:
1.48 nicm 209: /* Retrieve options for left string. */
210: char *
1.120 nicm 211: status_redraw_get_left(struct client *c, time_t t, int utf8flag,
212: struct grid_cell *gc, size_t *size)
1.48 nicm 213: {
214: struct session *s = c->session;
1.120 nicm 215: const char *template;
1.48 nicm 216: char *left;
217: size_t leftlen;
218:
1.108 nicm 219: style_apply_update(gc, &s->options, "status-left-style");
1.48 nicm 220:
1.120 nicm 221: template = options_get_string(&s->options, "status-left");
1.123 nicm 222: left = status_replace(c, NULL, template, t);
1.48 nicm 223:
224: *size = options_get_number(&s->options, "status-left-length");
225: leftlen = screen_write_cstrlen(utf8flag, "%s", left);
226: if (leftlen < *size)
227: *size = leftlen;
228: return (left);
229: }
230:
231: /* Retrieve options for right string. */
232: char *
1.120 nicm 233: status_redraw_get_right(struct client *c, time_t t, int utf8flag,
234: struct grid_cell *gc, size_t *size)
1.48 nicm 235: {
236: struct session *s = c->session;
1.120 nicm 237: const char *template;
1.48 nicm 238: char *right;
239: size_t rightlen;
240:
1.108 nicm 241: style_apply_update(gc, &s->options, "status-right-style");
1.48 nicm 242:
1.120 nicm 243: template = options_get_string(&s->options, "status-right");
1.123 nicm 244: right = status_replace(c, NULL, template, t);
1.48 nicm 245:
246: *size = options_get_number(&s->options, "status-right-length");
247: rightlen = screen_write_cstrlen(utf8flag, "%s", right);
248: if (rightlen < *size)
249: *size = rightlen;
250: return (right);
251: }
252:
1.125 nicm 253: /* Get window at window list position. */
254: struct window *
255: status_get_window_at(struct client *c, u_int x)
1.73 nicm 256: {
257: struct session *s = c->session;
258: struct winlink *wl;
1.115 nicm 259: struct options *oo;
260: size_t len;
1.73 nicm 261:
1.88 nicm 262: x += c->wlmouse;
1.73 nicm 263: RB_FOREACH(wl, winlinks, &s->windows) {
1.115 nicm 264: oo = &wl->window->options;
1.125 nicm 265: len = strlen(options_get_string(oo, "window-status-separator"));
1.115 nicm 266:
1.125 nicm 267: if (x < wl->status_width)
268: return (wl->window);
1.115 nicm 269: x -= wl->status_width + len;
1.73 nicm 270: }
1.125 nicm 271: return (NULL);
1.73 nicm 272: }
273:
1.1 nicm 274: /* Draw status for client on the last lines of given context. */
275: int
276: status_redraw(struct client *c)
277: {
1.48 nicm 278: struct screen_write_ctx ctx;
279: struct session *s = c->session;
280: struct winlink *wl;
281: struct screen old_status, window_list;
282: struct grid_cell stdgc, lgc, rgc, gc;
1.91 nicm 283: struct options *oo;
1.48 nicm 284: time_t t;
1.91 nicm 285: char *left, *right, *sep;
1.48 nicm 286: u_int offset, needed;
287: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
1.91 nicm 288: size_t llen, rlen, seplen;
1.48 nicm 289: int larrow, rarrow, utf8flag;
1.1 nicm 290:
1.49 nicm 291: /* No status line? */
1.7 nicm 292: if (c->tty.sy == 0 || !options_get_number(&s->options, "status"))
293: return (1);
1.48 nicm 294: left = right = NULL;
1.7 nicm 295: larrow = rarrow = 0;
1.1 nicm 296:
1.133 nicm 297: /* Store current time. */
298: t = time(NULL);
1.48 nicm 299:
300: /* Set up default colour. */
1.108 nicm 301: style_apply(&stdgc, &s->options, "status-style");
1.1 nicm 302:
1.48 nicm 303: /* Create the target screen. */
304: memcpy(&old_status, &c->status, sizeof old_status);
305: screen_init(&c->status, c->tty.sx, 1, 0);
306: screen_write_start(&ctx, NULL, &c->status);
307: for (offset = 0; offset < c->tty.sx; offset++)
308: screen_write_putc(&ctx, &stdgc, ' ');
309: screen_write_stop(&ctx);
310:
311: /* If the height is one line, blank status line. */
312: if (c->tty.sy <= 1)
313: goto out;
1.1 nicm 314:
1.48 nicm 315: /* Get UTF-8 flag. */
1.3 nicm 316: utf8flag = options_get_number(&s->options, "status-utf8");
317:
1.48 nicm 318: /* Work out left and right strings. */
319: memcpy(&lgc, &stdgc, sizeof lgc);
320: left = status_redraw_get_left(c, t, utf8flag, &lgc, &llen);
321: memcpy(&rgc, &stdgc, sizeof rgc);
322: right = status_redraw_get_right(c, t, utf8flag, &rgc, &rlen);
1.1 nicm 323:
324: /*
1.48 nicm 325: * Figure out how much space we have for the window list. If there
326: * isn't enough space, just show a blank status line.
1.1 nicm 327: */
1.55 nicm 328: needed = 0;
1.1 nicm 329: if (llen != 0)
1.118 nicm 330: needed += llen;
1.1 nicm 331: if (rlen != 0)
1.118 nicm 332: needed += rlen;
1.48 nicm 333: if (c->tty.sx == 0 || c->tty.sx <= needed)
334: goto out;
335: wlavailable = c->tty.sx - needed;
1.1 nicm 336:
1.48 nicm 337: /* Calculate the total size needed for the window list. */
338: wlstart = wloffset = wlwidth = 0;
1.1 nicm 339: RB_FOREACH(wl, winlinks, &s->windows) {
1.94 nicm 340: free(wl->status_text);
1.48 nicm 341: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
342: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.55 nicm 343: wl->status_width =
1.48 nicm 344: screen_write_cstrlen(utf8flag, "%s", wl->status_text);
345:
1.1 nicm 346: if (wl == s->curw)
1.48 nicm 347: wloffset = wlwidth;
1.91 nicm 348:
349: oo = &wl->window->options;
350: sep = options_get_string(oo, "window-status-separator");
351: seplen = screen_write_strlen(utf8flag, "%s", sep);
352: wlwidth += wl->status_width + seplen;
1.48 nicm 353: }
354:
355: /* Create a new screen for the window list. */
356: screen_init(&window_list, wlwidth, 1, 0);
357:
358: /* And draw the window list into it. */
359: screen_write_start(&ctx, NULL, &window_list);
360: RB_FOREACH(wl, winlinks, &s->windows) {
1.55 nicm 361: screen_write_cnputs(&ctx,
1.48 nicm 362: -1, &wl->status_cell, utf8flag, "%s", wl->status_text);
1.91 nicm 363:
364: oo = &wl->window->options;
365: sep = options_get_string(oo, "window-status-separator");
366: screen_write_nputs(&ctx, -1, &stdgc, utf8flag, "%s", sep);
1.1 nicm 367: }
1.48 nicm 368: screen_write_stop(&ctx);
1.1 nicm 369:
1.48 nicm 370: /* If there is enough space for the total width, skip to draw now. */
371: if (wlwidth <= wlavailable)
1.1 nicm 372: goto draw;
373:
374: /* Find size of current window text. */
1.48 nicm 375: wlsize = s->curw->status_width;
1.1 nicm 376:
377: /*
1.48 nicm 378: * If the current window is already on screen, good to draw from the
1.1 nicm 379: * start and just leave off the end.
380: */
1.48 nicm 381: if (wloffset + wlsize < wlavailable) {
382: if (wlavailable > 0) {
383: rarrow = 1;
384: wlavailable--;
385: }
386: wlwidth = wlavailable;
387: } else {
388: /*
389: * Work out how many characters we need to omit from the
390: * start. There are wlavailable characters to fill, and
391: * wloffset + wlsize must be the last. So, the start character
392: * is wloffset + wlsize - wlavailable.
393: */
394: if (wlavailable > 0) {
395: larrow = 1;
396: wlavailable--;
397: }
1.55 nicm 398:
1.48 nicm 399: wlstart = wloffset + wlsize - wlavailable;
400: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 401: rarrow = 1;
1.48 nicm 402: wlstart++;
403: wlavailable--;
1.1 nicm 404: }
1.48 nicm 405: wlwidth = wlavailable;
406: }
1.1 nicm 407:
1.48 nicm 408: /* Bail if anything is now too small too. */
409: if (wlwidth == 0 || wlavailable == 0) {
410: screen_free(&window_list);
411: goto out;
1.1 nicm 412: }
413:
414: /*
1.48 nicm 415: * Now the start position is known, work out the state of the left and
416: * right arrows.
1.1 nicm 417: */
418: offset = 0;
419: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 420: if (wl->flags & WINLINK_ALERTFLAGS &&
421: larrow == 1 && offset < wlstart)
422: larrow = -1;
1.1 nicm 423:
1.48 nicm 424: offset += wl->status_width;
1.1 nicm 425:
1.63 nicm 426: if (wl->flags & WINLINK_ALERTFLAGS &&
427: rarrow == 1 && offset > wlstart + wlwidth)
428: rarrow = -1;
1.1 nicm 429: }
430:
1.48 nicm 431: draw:
1.55 nicm 432: /* Begin drawing. */
1.48 nicm 433: screen_write_start(&ctx, NULL, &c->status);
1.1 nicm 434:
1.48 nicm 435: /* Draw the left string and arrow. */
436: screen_write_cursormove(&ctx, 0, 0);
1.118 nicm 437: if (llen != 0)
1.48 nicm 438: screen_write_cnputs(&ctx, llen, &lgc, utf8flag, "%s", left);
1.1 nicm 439: if (larrow != 0) {
440: memcpy(&gc, &stdgc, sizeof gc);
441: if (larrow == -1)
442: gc.attr ^= GRID_ATTR_REVERSE;
443: screen_write_putc(&ctx, &gc, '<');
444: }
1.48 nicm 445:
446: /* Draw the right string and arrow. */
1.1 nicm 447: if (rarrow != 0) {
1.118 nicm 448: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
1.1 nicm 449: memcpy(&gc, &stdgc, sizeof gc);
450: if (rarrow == -1)
451: gc.attr ^= GRID_ATTR_REVERSE;
452: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 453: } else
1.118 nicm 454: screen_write_cursormove(&ctx, c->tty.sx - rlen, 0);
455: if (rlen != 0)
1.48 nicm 456: screen_write_cnputs(&ctx, rlen, &rgc, utf8flag, "%s", right);
1.1 nicm 457:
1.48 nicm 458: /* Figure out the offset for the window list. */
1.58 nicm 459: if (llen != 0)
1.118 nicm 460: wloffset = llen;
1.58 nicm 461: else
462: wloffset = 0;
1.48 nicm 463: if (wlwidth < wlavailable) {
464: switch (options_get_number(&s->options, "status-justify")) {
1.119 sthen 465: case 1: /* centred */
1.58 nicm 466: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 467: break;
468: case 2: /* right */
1.58 nicm 469: wloffset += (wlavailable - wlwidth);
1.48 nicm 470: break;
471: }
472: }
473: if (larrow != 0)
474: wloffset++;
475:
476: /* Copy the window list. */
1.88 nicm 477: c->wlmouse = -wloffset + wlstart;
1.48 nicm 478: screen_write_cursormove(&ctx, wloffset, 0);
479: screen_write_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 480: screen_free(&window_list);
1.1 nicm 481:
1.48 nicm 482: screen_write_stop(&ctx);
1.1 nicm 483:
484: out:
1.94 nicm 485: free(left);
486: free(right);
1.1 nicm 487:
488: if (grid_compare(c->status.grid, old_status.grid) == 0) {
489: screen_free(&old_status);
490: return (0);
491: }
492: screen_free(&old_status);
493: return (1);
494: }
495:
1.46 nicm 496: /* Replace special sequences in fmt. */
497: char *
1.123 nicm 498: status_replace(struct client *c, struct winlink *wl, const char *fmt, time_t t)
1.46 nicm 499: {
1.96 nicm 500: struct format_tree *ft;
1.129 nicm 501: char *expanded;
1.47 nicm 502:
1.93 nicm 503: if (fmt == NULL)
504: return (xstrdup(""));
505:
1.129 nicm 506: ft = format_create_status(1);
507: format_defaults(ft, c, NULL, wl, NULL);
1.1 nicm 508:
1.129 nicm 509: expanded = format_expand_time(ft, fmt, t);
1.46 nicm 510:
1.99 nicm 511: format_free(ft);
512: return (expanded);
1.1 nicm 513: }
514:
1.46 nicm 515: /* Return winlink status line entry and adjust gc as necessary. */
1.1 nicm 516: char *
1.120 nicm 517: status_print(struct client *c, struct winlink *wl, time_t t,
518: struct grid_cell *gc)
1.1 nicm 519: {
1.33 nicm 520: struct options *oo = &wl->window->options;
1.47 nicm 521: struct session *s = c->session;
522: const char *fmt;
523: char *text;
1.1 nicm 524:
1.108 nicm 525: style_apply_update(gc, oo, "window-status-style");
1.47 nicm 526: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 527: if (wl == s->curw) {
1.108 nicm 528: style_apply_update(gc, oo, "window-status-current-style");
1.47 nicm 529: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 530: }
1.108 nicm 531: if (wl == TAILQ_FIRST(&s->lastw))
532: style_apply_update(gc, oo, "window-status-last-style");
533:
534: if (wl->flags & WINLINK_BELL)
535: style_apply_update(gc, oo, "window-status-bell-style");
536: else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
537: style_apply_update(gc, oo, "window-status-activity-style");
1.1 nicm 538:
1.123 nicm 539: text = status_replace(c, wl, fmt, t);
1.1 nicm 540: return (text);
541: }
542:
1.46 nicm 543: /* Set a status line message. */
1.117 nicm 544: void
1.10 nicm 545: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 546: {
1.44 nicm 547: struct timeval tv;
1.127 nicm 548: struct message_entry *msg, *msg1;
1.44 nicm 549: va_list ap;
550: int delay;
1.127 nicm 551: u_int first, limit;
552:
553: limit = options_get_number(&global_options, "message-limit");
1.1 nicm 554:
1.12 nicm 555: status_prompt_clear(c);
556: status_message_clear(c);
557:
1.28 nicm 558: va_start(ap, fmt);
559: xvasprintf(&c->message_string, fmt, ap);
560: va_end(ap);
561:
1.127 nicm 562: msg = xcalloc(1, sizeof *msg);
1.44 nicm 563: msg->msg_time = time(NULL);
1.127 nicm 564: msg->msg_num = c->message_next++;
1.44 nicm 565: msg->msg = xstrdup(c->message_string);
1.127 nicm 566: TAILQ_INSERT_TAIL(&c->message_log, msg, entry);
1.44 nicm 567:
1.127 nicm 568: first = c->message_next - limit;
569: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
570: if (msg->msg_num >= first)
571: continue;
572: free(msg->msg);
573: TAILQ_REMOVE(&c->message_log, msg, entry);
574: free(msg);
1.44 nicm 575: }
576:
1.1 nicm 577: delay = options_get_number(&c->session->options, "display-time");
578: tv.tv_sec = delay / 1000;
579: tv.tv_usec = (delay % 1000) * 1000L;
1.44 nicm 580:
1.110 nicm 581: if (event_initialized(&c->message_timer))
1.90 nicm 582: evtimer_del(&c->message_timer);
1.42 nicm 583: evtimer_set(&c->message_timer, status_message_callback, c);
584: evtimer_add(&c->message_timer, &tv);
1.1 nicm 585:
586: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
587: c->flags |= CLIENT_STATUS;
588: }
589:
1.46 nicm 590: /* Clear status line message. */
1.1 nicm 591: void
592: status_message_clear(struct client *c)
593: {
594: if (c->message_string == NULL)
595: return;
596:
1.94 nicm 597: free(c->message_string);
1.1 nicm 598: c->message_string = NULL;
599:
600: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 601: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 602:
603: screen_reinit(&c->status);
1.42 nicm 604: }
605:
1.46 nicm 606: /* Clear status line message after timer expires. */
1.42 nicm 607: void
608: status_message_callback(unused int fd, unused short event, void *data)
609: {
610: struct client *c = data;
611:
612: status_message_clear(c);
1.1 nicm 613: }
614:
615: /* Draw client message on status line of present else on last line. */
616: int
617: status_message_redraw(struct client *c)
618: {
619: struct screen_write_ctx ctx;
620: struct session *s = c->session;
621: struct screen old_status;
622: size_t len;
623: struct grid_cell gc;
1.51 nicm 624: int utf8flag;
1.1 nicm 625:
626: if (c->tty.sx == 0 || c->tty.sy == 0)
627: return (0);
628: memcpy(&old_status, &c->status, sizeof old_status);
629: screen_init(&c->status, c->tty.sx, 1, 0);
630:
1.51 nicm 631: utf8flag = options_get_number(&s->options, "status-utf8");
632:
633: len = screen_write_strlen(utf8flag, "%s", c->message_string);
1.1 nicm 634: if (len > c->tty.sx)
635: len = c->tty.sx;
636:
1.108 nicm 637: style_apply(&gc, &s->options, "message-style");
1.1 nicm 638:
639: screen_write_start(&ctx, NULL, &c->status);
640:
641: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 642: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->message_string);
1.1 nicm 643: for (; len < c->tty.sx; len++)
644: screen_write_putc(&ctx, &gc, ' ');
645:
646: screen_write_stop(&ctx);
647:
648: if (grid_compare(c->status.grid, old_status.grid) == 0) {
649: screen_free(&old_status);
650: return (0);
651: }
652: screen_free(&old_status);
653: return (1);
654: }
655:
1.46 nicm 656: /* Enable status line prompt. */
1.1 nicm 657: void
1.76 nicm 658: status_prompt_set(struct client *c, const char *msg, const char *input,
1.12 nicm 659: int (*callbackfn)(void *, const char *), void (*freefn)(void *),
660: void *data, int flags)
1.1 nicm 661: {
1.122 nicm 662: struct format_tree *ft;
663: int keys;
664: time_t t;
665:
666: ft = format_create();
667: format_defaults(ft, c, NULL, NULL, NULL);
668: t = time(NULL);
1.20 nicm 669:
1.12 nicm 670: status_message_clear(c);
671: status_prompt_clear(c);
672:
1.124 nicm 673: c->prompt_string = format_expand_time(ft, msg, t);
1.1 nicm 674:
1.124 nicm 675: c->prompt_buffer = format_expand_time(ft, input, t);
1.76 nicm 676: c->prompt_index = strlen(c->prompt_buffer);
1.1 nicm 677:
1.12 nicm 678: c->prompt_callbackfn = callbackfn;
679: c->prompt_freefn = freefn;
1.1 nicm 680: c->prompt_data = data;
681:
682: c->prompt_hindex = 0;
683:
684: c->prompt_flags = flags;
685:
1.20 nicm 686: keys = options_get_number(&c->session->options, "status-keys");
687: if (keys == MODEKEY_EMACS)
1.21 nicm 688: mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
1.20 nicm 689: else
1.21 nicm 690: mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
1.1 nicm 691:
692: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
693: c->flags |= CLIENT_STATUS;
1.122 nicm 694:
695: format_free(ft);
1.1 nicm 696: }
697:
1.46 nicm 698: /* Remove status line prompt. */
1.1 nicm 699: void
700: status_prompt_clear(struct client *c)
701: {
1.55 nicm 702: if (c->prompt_string == NULL)
1.1 nicm 703: return;
704:
1.12 nicm 705: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
706: c->prompt_freefn(c->prompt_data);
1.1 nicm 707:
1.94 nicm 708: free(c->prompt_string);
1.1 nicm 709: c->prompt_string = NULL;
710:
1.94 nicm 711: free(c->prompt_buffer);
1.1 nicm 712: c->prompt_buffer = NULL;
713:
714: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 715: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 716:
717: screen_reinit(&c->status);
1.27 nicm 718: }
719:
1.46 nicm 720: /* Update status line prompt with a new prompt string. */
1.27 nicm 721: void
1.76 nicm 722: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 723: {
1.122 nicm 724: struct format_tree *ft;
725: time_t t;
726:
727: ft = format_create();
728: format_defaults(ft, c, NULL, NULL, NULL);
729: t = time(NULL);
730:
1.94 nicm 731: free(c->prompt_string);
1.124 nicm 732: c->prompt_string = format_expand_time(ft, msg, t);
1.27 nicm 733:
1.94 nicm 734: free(c->prompt_buffer);
1.124 nicm 735: c->prompt_buffer = format_expand_time(ft, input, t);
1.76 nicm 736: c->prompt_index = strlen(c->prompt_buffer);
1.27 nicm 737:
738: c->prompt_hindex = 0;
739:
740: c->flags |= CLIENT_STATUS;
1.122 nicm 741:
742: format_free(ft);
1.1 nicm 743: }
744:
745: /* Draw client prompt on status line of present else on last line. */
746: int
747: status_prompt_redraw(struct client *c)
748: {
1.51 nicm 749: struct screen_write_ctx ctx;
1.1 nicm 750: struct session *s = c->session;
751: struct screen old_status;
1.29 nicm 752: size_t i, size, left, len, off;
1.51 nicm 753: struct grid_cell gc, *gcp;
754: int utf8flag;
1.1 nicm 755:
756: if (c->tty.sx == 0 || c->tty.sy == 0)
757: return (0);
758: memcpy(&old_status, &c->status, sizeof old_status);
759: screen_init(&c->status, c->tty.sx, 1, 0);
760:
1.51 nicm 761: utf8flag = options_get_number(&s->options, "status-utf8");
762:
763: len = screen_write_strlen(utf8flag, "%s", c->prompt_string);
1.1 nicm 764: if (len > c->tty.sx)
765: len = c->tty.sx;
1.51 nicm 766: off = 0;
1.1 nicm 767:
1.79 nicm 768: /* Change colours for command mode. */
1.108 nicm 769: if (c->prompt_mdata.mode == 1)
770: style_apply(&gc, &s->options, "message-command-style");
771: else
772: style_apply(&gc, &s->options, "message-style");
1.1 nicm 773:
774: screen_write_start(&ctx, NULL, &c->status);
775:
776: screen_write_cursormove(&ctx, 0, 0);
1.51 nicm 777: screen_write_nputs(&ctx, len, &gc, utf8flag, "%s", c->prompt_string);
1.1 nicm 778:
779: left = c->tty.sx - len;
780: if (left != 0) {
1.51 nicm 781: size = screen_write_strlen(utf8flag, "%s", c->prompt_buffer);
782: if (c->prompt_index >= left) {
1.17 nicm 783: off = c->prompt_index - left + 1;
1.51 nicm 784: if (c->prompt_index == size)
1.1 nicm 785: left--;
786: size = left;
787: }
1.51 nicm 788: screen_write_nputs(
789: &ctx, left, &gc, utf8flag, "%s", c->prompt_buffer + off);
1.1 nicm 790:
1.55 nicm 791: for (i = len + size; i < c->tty.sx; i++)
792: screen_write_putc(&ctx, &gc, ' ');
1.1 nicm 793: }
794:
795: screen_write_stop(&ctx);
1.51 nicm 796:
797: /* Apply fake cursor. */
798: off = len + c->prompt_index - off;
799: gcp = grid_view_get_cell(c->status.grid, off, 0);
800: gcp->attr ^= GRID_ATTR_REVERSE;
1.1 nicm 801:
802: if (grid_compare(c->status.grid, old_status.grid) == 0) {
803: screen_free(&old_status);
804: return (0);
805: }
806: screen_free(&old_status);
807: return (1);
808: }
809:
810: /* Handle keys in prompt. */
811: void
812: status_prompt_key(struct client *c, int key)
813: {
1.81 nicm 814: struct session *sess = c->session;
815: struct options *oo = &sess->options;
1.1 nicm 816: struct paste_buffer *pb;
1.81 nicm 817: char *s, *first, *last, word[64], swapc;
1.134 ! nicm 818: const char *histstr, *bufdata, *wsep = NULL;
1.53 nicm 819: u_char ch;
1.134 ! nicm 820: size_t size, n, off, idx, bufsize;
1.1 nicm 821:
822: size = strlen(c->prompt_buffer);
1.101 nicm 823: switch (mode_key_lookup(&c->prompt_mdata, key, NULL)) {
1.20 nicm 824: case MODEKEYEDIT_CURSORLEFT:
1.1 nicm 825: if (c->prompt_index > 0) {
826: c->prompt_index--;
827: c->flags |= CLIENT_STATUS;
828: }
829: break;
1.79 nicm 830: case MODEKEYEDIT_SWITCHMODE:
831: c->flags |= CLIENT_STATUS;
832: break;
1.20 nicm 833: case MODEKEYEDIT_SWITCHMODEAPPEND:
1.79 nicm 834: c->flags |= CLIENT_STATUS;
835: /* FALLTHROUGH */
1.20 nicm 836: case MODEKEYEDIT_CURSORRIGHT:
1.1 nicm 837: if (c->prompt_index < size) {
838: c->prompt_index++;
839: c->flags |= CLIENT_STATUS;
840: }
841: break;
1.89 nicm 842: case MODEKEYEDIT_SWITCHMODEBEGINLINE:
843: c->flags |= CLIENT_STATUS;
844: /* FALLTHROUGH */
1.20 nicm 845: case MODEKEYEDIT_STARTOFLINE:
1.1 nicm 846: if (c->prompt_index != 0) {
847: c->prompt_index = 0;
848: c->flags |= CLIENT_STATUS;
849: }
850: break;
1.89 nicm 851: case MODEKEYEDIT_SWITCHMODEAPPENDLINE:
852: c->flags |= CLIENT_STATUS;
853: /* FALLTHROUGH */
1.20 nicm 854: case MODEKEYEDIT_ENDOFLINE:
1.1 nicm 855: if (c->prompt_index != size) {
856: c->prompt_index = size;
857: c->flags |= CLIENT_STATUS;
858: }
859: break;
1.20 nicm 860: case MODEKEYEDIT_COMPLETE:
1.1 nicm 861: if (*c->prompt_buffer == '\0')
862: break;
863:
864: idx = c->prompt_index;
865: if (idx != 0)
866: idx--;
867:
868: /* Find the word we are in. */
869: first = c->prompt_buffer + idx;
870: while (first > c->prompt_buffer && *first != ' ')
871: first--;
872: while (*first == ' ')
873: first++;
874: last = c->prompt_buffer + idx;
875: while (*last != '\0' && *last != ' ')
876: last++;
877: while (*last == ' ')
878: last--;
879: if (*last != '\0')
880: last++;
881: if (last <= first ||
882: ((size_t) (last - first)) > (sizeof word) - 1)
883: break;
884: memcpy(word, first, last - first);
885: word[last - first] = '\0';
886:
887: /* And try to complete it. */
1.128 nicm 888: if ((s = status_prompt_complete(sess, word)) == NULL)
1.1 nicm 889: break;
890:
891: /* Trim out word. */
892: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
893: memmove(first, last, n);
894: size -= last - first;
895:
896: /* Insert the new word. */
1.55 nicm 897: size += strlen(s);
1.1 nicm 898: off = first - c->prompt_buffer;
1.116 nicm 899: c->prompt_buffer = xrealloc(c->prompt_buffer, size + 1);
1.1 nicm 900: first = c->prompt_buffer + off;
1.55 nicm 901: memmove(first + strlen(s), first, n);
902: memcpy(first, s, strlen(s));
1.1 nicm 903:
904: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 905: free(s);
1.1 nicm 906:
907: c->flags |= CLIENT_STATUS;
908: break;
1.20 nicm 909: case MODEKEYEDIT_BACKSPACE:
1.1 nicm 910: if (c->prompt_index != 0) {
911: if (c->prompt_index == size)
912: c->prompt_buffer[--c->prompt_index] = '\0';
913: else {
914: memmove(c->prompt_buffer + c->prompt_index - 1,
915: c->prompt_buffer + c->prompt_index,
916: size + 1 - c->prompt_index);
917: c->prompt_index--;
918: }
919: c->flags |= CLIENT_STATUS;
920: }
921: break;
1.55 nicm 922: case MODEKEYEDIT_DELETE:
1.105 nicm 923: case MODEKEYEDIT_SWITCHMODESUBSTITUTE:
1.1 nicm 924: if (c->prompt_index != size) {
925: memmove(c->prompt_buffer + c->prompt_index,
926: c->prompt_buffer + c->prompt_index + 1,
927: size + 1 - c->prompt_index);
1.18 nicm 928: c->flags |= CLIENT_STATUS;
929: }
1.26 nicm 930: break;
931: case MODEKEYEDIT_DELETELINE:
1.105 nicm 932: case MODEKEYEDIT_SWITCHMODESUBSTITUTELINE:
1.26 nicm 933: *c->prompt_buffer = '\0';
934: c->prompt_index = 0;
935: c->flags |= CLIENT_STATUS;
1.18 nicm 936: break;
1.20 nicm 937: case MODEKEYEDIT_DELETETOENDOFLINE:
1.105 nicm 938: case MODEKEYEDIT_SWITCHMODECHANGELINE:
1.18 nicm 939: if (c->prompt_index < size) {
940: c->prompt_buffer[c->prompt_index] = '\0';
1.1 nicm 941: c->flags |= CLIENT_STATUS;
942: }
943: break;
1.81 nicm 944: case MODEKEYEDIT_DELETEWORD:
945: wsep = options_get_string(oo, "word-separators");
946: idx = c->prompt_index;
947:
948: /* Find a non-separator. */
949: while (idx != 0) {
950: idx--;
951: if (!strchr(wsep, c->prompt_buffer[idx]))
952: break;
953: }
954:
955: /* Find the separator at the beginning of the word. */
956: while (idx != 0) {
957: idx--;
958: if (strchr(wsep, c->prompt_buffer[idx])) {
959: /* Go back to the word. */
960: idx++;
961: break;
962: }
963: }
964:
965: memmove(c->prompt_buffer + idx,
966: c->prompt_buffer + c->prompt_index,
967: size + 1 - c->prompt_index);
968: memset(c->prompt_buffer + size - (c->prompt_index - idx),
969: '\0', c->prompt_index - idx);
970: c->prompt_index = idx;
971: c->flags |= CLIENT_STATUS;
972: break;
1.83 nicm 973: case MODEKEYEDIT_NEXTSPACE:
974: wsep = " ";
975: /* FALLTHROUGH */
1.81 nicm 976: case MODEKEYEDIT_NEXTWORD:
1.83 nicm 977: if (wsep == NULL)
978: wsep = options_get_string(oo, "word-separators");
1.81 nicm 979:
980: /* Find a separator. */
981: while (c->prompt_index != size) {
982: c->prompt_index++;
983: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
984: break;
985: }
986:
987: /* Find the word right after the separation. */
988: while (c->prompt_index != size) {
989: c->prompt_index++;
990: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
991: break;
992: }
993:
994: c->flags |= CLIENT_STATUS;
995: break;
1.83 nicm 996: case MODEKEYEDIT_NEXTSPACEEND:
997: wsep = " ";
998: /* FALLTHROUGH */
1.81 nicm 999: case MODEKEYEDIT_NEXTWORDEND:
1.83 nicm 1000: if (wsep == NULL)
1001: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1002:
1003: /* Find a word. */
1004: while (c->prompt_index != size) {
1005: c->prompt_index++;
1006: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1007: break;
1008: }
1009:
1010: /* Find the separator at the end of the word. */
1011: while (c->prompt_index != size) {
1012: c->prompt_index++;
1.82 nicm 1013: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1.81 nicm 1014: break;
1015: }
1.106 nicm 1016:
1017: /* Back up to the end-of-word like vi. */
1018: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1019: c->prompt_index != 0)
1020: c->prompt_index--;
1.81 nicm 1021:
1022: c->flags |= CLIENT_STATUS;
1023: break;
1.83 nicm 1024: case MODEKEYEDIT_PREVIOUSSPACE:
1025: wsep = " ";
1026: /* FALLTHROUGH */
1.81 nicm 1027: case MODEKEYEDIT_PREVIOUSWORD:
1.83 nicm 1028: if (wsep == NULL)
1029: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1030:
1031: /* Find a non-separator. */
1032: while (c->prompt_index != 0) {
1033: c->prompt_index--;
1034: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1035: break;
1036: }
1037:
1038: /* Find the separator at the beginning of the word. */
1039: while (c->prompt_index != 0) {
1040: c->prompt_index--;
1041: if (strchr(wsep, c->prompt_buffer[c->prompt_index])) {
1042: /* Go back to the word. */
1043: c->prompt_index++;
1044: break;
1045: }
1046: }
1047:
1048: c->flags |= CLIENT_STATUS;
1049: break;
1.20 nicm 1050: case MODEKEYEDIT_HISTORYUP:
1.66 nicm 1051: histstr = status_prompt_up_history(&c->prompt_hindex);
1052: if (histstr == NULL)
1.1 nicm 1053: break;
1.94 nicm 1054: free(c->prompt_buffer);
1.66 nicm 1055: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1056: c->prompt_index = strlen(c->prompt_buffer);
1057: c->flags |= CLIENT_STATUS;
1058: break;
1.20 nicm 1059: case MODEKEYEDIT_HISTORYDOWN:
1.66 nicm 1060: histstr = status_prompt_down_history(&c->prompt_hindex);
1061: if (histstr == NULL)
1.65 nicm 1062: break;
1.94 nicm 1063: free(c->prompt_buffer);
1.66 nicm 1064: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1065: c->prompt_index = strlen(c->prompt_buffer);
1066: c->flags |= CLIENT_STATUS;
1067: break;
1.20 nicm 1068: case MODEKEYEDIT_PASTE:
1.134 ! nicm 1069: if ((pb = paste_get_top(NULL)) == NULL)
1.1 nicm 1070: break;
1.134 ! nicm 1071: bufdata = paste_buffer_data(pb, &bufsize);
! 1072: for (n = 0; n < bufsize; n++) {
! 1073: ch = (u_char)bufdata[n];
1.53 nicm 1074: if (ch < 32 || ch == 127)
1.32 nicm 1075: break;
1076: }
1.1 nicm 1077:
1.116 nicm 1078: c->prompt_buffer = xrealloc(c->prompt_buffer, size + n + 1);
1.1 nicm 1079: if (c->prompt_index == size) {
1.134 ! nicm 1080: memcpy(c->prompt_buffer + c->prompt_index, bufdata, n);
1.1 nicm 1081: c->prompt_index += n;
1082: c->prompt_buffer[c->prompt_index] = '\0';
1083: } else {
1084: memmove(c->prompt_buffer + c->prompt_index + n,
1085: c->prompt_buffer + c->prompt_index,
1086: size + 1 - c->prompt_index);
1.134 ! nicm 1087: memcpy(c->prompt_buffer + c->prompt_index, bufdata, n);
1.1 nicm 1088: c->prompt_index += n;
1089: }
1090:
1091: c->flags |= CLIENT_STATUS;
1.30 nicm 1092: break;
1093: case MODEKEYEDIT_TRANSPOSECHARS:
1094: idx = c->prompt_index;
1095: if (idx < size)
1096: idx++;
1097: if (idx >= 2) {
1098: swapc = c->prompt_buffer[idx - 2];
1099: c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
1100: c->prompt_buffer[idx - 1] = swapc;
1101: c->prompt_index = idx;
1102: c->flags |= CLIENT_STATUS;
1103: }
1.1 nicm 1104: break;
1.55 nicm 1105: case MODEKEYEDIT_ENTER:
1.25 nicm 1106: if (*c->prompt_buffer != '\0')
1.65 nicm 1107: status_prompt_add_history(c->prompt_buffer);
1.25 nicm 1108: if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
1109: status_prompt_clear(c);
1110: break;
1.20 nicm 1111: case MODEKEYEDIT_CANCEL:
1.12 nicm 1112: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1113: status_prompt_clear(c);
1114: break;
1.20 nicm 1115: case MODEKEY_OTHER:
1.61 nicm 1116: if ((key & 0xff00) != 0 || key < 32 || key == 127)
1.1 nicm 1117: break;
1.116 nicm 1118: c->prompt_buffer = xrealloc(c->prompt_buffer, size + 2);
1.1 nicm 1119:
1120: if (c->prompt_index == size) {
1121: c->prompt_buffer[c->prompt_index++] = key;
1122: c->prompt_buffer[c->prompt_index] = '\0';
1123: } else {
1124: memmove(c->prompt_buffer + c->prompt_index + 1,
1125: c->prompt_buffer + c->prompt_index,
1126: size + 1 - c->prompt_index);
1127: c->prompt_buffer[c->prompt_index++] = key;
1128: }
1129:
1130: if (c->prompt_flags & PROMPT_SINGLE) {
1.12 nicm 1131: if (c->prompt_callbackfn(
1.1 nicm 1132: c->prompt_data, c->prompt_buffer) == 0)
1133: status_prompt_clear(c);
1134: }
1135:
1136: c->flags |= CLIENT_STATUS;
1137: break;
1138: default:
1139: break;
1140: }
1141: }
1142:
1.65 nicm 1143: /* Get previous line from the history. */
1144: const char *
1145: status_prompt_up_history(u_int *idx)
1146: {
1147: /*
1.128 nicm 1148: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1149: * empty.
1.65 nicm 1150: */
1151:
1.128 nicm 1152: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1153: return (NULL);
1154: (*idx)++;
1.128 nicm 1155: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1156: }
1157:
1158: /* Get next line from the history. */
1159: const char *
1160: status_prompt_down_history(u_int *idx)
1161: {
1.128 nicm 1162: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1163: return ("");
1164: (*idx)--;
1165: if (*idx == 0)
1166: return ("");
1.128 nicm 1167: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1168: }
1169:
1.1 nicm 1170: /* Add line to the history. */
1171: void
1.65 nicm 1172: status_prompt_add_history(const char *line)
1.1 nicm 1173: {
1.128 nicm 1174: size_t size;
1.65 nicm 1175:
1.128 nicm 1176: if (status_prompt_hsize > 0 &&
1177: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1178: return;
1179:
1.128 nicm 1180: if (status_prompt_hsize == PROMPT_HISTORY) {
1181: free(status_prompt_hlist[0]);
1.1 nicm 1182:
1.128 nicm 1183: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1184: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1185:
1.128 nicm 1186: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1187: return;
1188: }
1.1 nicm 1189:
1.128 nicm 1190: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1191: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1192: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1193: }
1194:
1195: /* Build completion list. */
1196: const char **
1197: status_prompt_complete_list(u_int *size, const char *s)
1198: {
1199: const char **list = NULL, **layout;
1200: const struct cmd_entry **cmdent;
1201: const struct options_table_entry *oe;
1202: const char *layouts[] = {
1203: "even-horizontal", "even-vertical", "main-horizontal",
1204: "main-vertical", "tiled", NULL
1205: };
1.1 nicm 1206:
1.128 nicm 1207: *size = 0;
1.1 nicm 1208: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.128 nicm 1209: if (strncmp((*cmdent)->name, s, strlen(s)) == 0) {
1210: list = xreallocarray(list, (*size) + 1, sizeof *list);
1211: list[(*size)++] = (*cmdent)->name;
1212: }
1.56 nicm 1213: }
1.69 nicm 1214: for (oe = server_options_table; oe->name != NULL; oe++) {
1.128 nicm 1215: if (strncmp(oe->name, s, strlen(s)) == 0) {
1216: list = xreallocarray(list, (*size) + 1, sizeof *list);
1217: list[(*size)++] = oe->name;
1218: }
1.69 nicm 1219: }
1220: for (oe = session_options_table; oe->name != NULL; oe++) {
1.128 nicm 1221: if (strncmp(oe->name, s, strlen(s)) == 0) {
1222: list = xreallocarray(list, (*size) + 1, sizeof *list);
1223: list[(*size)++] = oe->name;
1224: }
1.69 nicm 1225: }
1226: for (oe = window_options_table; oe->name != NULL; oe++) {
1.128 nicm 1227: if (strncmp(oe->name, s, strlen(s)) == 0) {
1228: list = xreallocarray(list, (*size) + 1, sizeof *list);
1229: list[(*size)++] = oe->name;
1230: }
1231: }
1232: for (layout = layouts; *layout != NULL; layout++) {
1233: if (strncmp(*layout, s, strlen(s)) == 0) {
1234: list = xreallocarray(list, (*size) + 1, sizeof *list);
1235: list[(*size)++] = *layout;
1236: }
1237: }
1238: return (list);
1239: }
1240:
1241: /* Find longest prefix. */
1242: char *
1243: status_prompt_complete_prefix(const char **list, u_int size)
1244: {
1245: char *out;
1246: u_int i;
1247: size_t j;
1248:
1249: out = xstrdup(list[0]);
1250: for (i = 1; i < size; i++) {
1251: j = strlen(list[i]);
1252: if (j > strlen(out))
1253: j = strlen(out);
1254: for (; j > 0; j--) {
1255: if (out[j - 1] != list[i][j - 1])
1256: out[j - 1] = '\0';
1257: }
1.1 nicm 1258: }
1.128 nicm 1259: return (out);
1260: }
1.1 nicm 1261:
1.128 nicm 1262: /* Complete word. */
1263: char *
1264: status_prompt_complete(struct session *sess, const char *s)
1265: {
1266: const char **list = NULL, *colon;
1267: u_int size = 0, i;
1268: struct session *s_loop;
1269: struct winlink *wl;
1270: struct window *w;
1271: char *copy, *out, *tmp;
1272:
1273: if (*s == '\0')
1.1 nicm 1274: return (NULL);
1.128 nicm 1275: out = NULL;
1276:
1277: if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
1278: list = status_prompt_complete_list(&size, s);
1279: if (size == 0)
1280: out = NULL;
1281: else if (size == 1)
1282: xasprintf(&out, "%s ", list[0]);
1283: else
1284: out = status_prompt_complete_prefix(list, size);
1285: free(list);
1286: return (out);
1287: }
1288: copy = xstrdup(s);
1289:
1290: colon = ":";
1291: if (copy[strlen(copy) - 1] == ':')
1292: copy[strlen(copy) - 1] = '\0';
1293: else
1294: colon = "";
1295: s = copy + 2;
1.1 nicm 1296:
1.128 nicm 1297: RB_FOREACH(s_loop, sessions, &sessions) {
1298: if (strncmp(s_loop->name, s, strlen(s)) == 0) {
1299: list = xreallocarray(list, size + 2, sizeof *list);
1300: list[size++] = s_loop->name;
1301: }
1302: }
1303: if (size == 1) {
1304: out = xstrdup(list[0]);
1305: if (session_find(list[0]) != NULL)
1306: colon = ":";
1307: } else if (size != 0)
1308: out = status_prompt_complete_prefix(list, size);
1309: if (out != NULL) {
1310: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1311: out = tmp;
1312: goto found;
1313: }
1314:
1315: colon = "";
1316: if (*s == ':') {
1317: RB_FOREACH(wl, winlinks, &sess->windows) {
1318: xasprintf(&tmp, ":%s", wl->window->name);
1319: if (strncmp(tmp, s, strlen(s)) == 0){
1320: list = xreallocarray(list, size + 1,
1321: sizeof *list);
1322: list[size++] = tmp;
1323: continue;
1324: }
1325: free(tmp);
1.1 nicm 1326:
1.128 nicm 1327: xasprintf(&tmp, ":%d", wl->idx);
1328: if (strncmp(tmp, s, strlen(s)) == 0) {
1329: list = xreallocarray(list, size + 1,
1330: sizeof *list);
1331: list[size++] = tmp;
1332: continue;
1333: }
1334: free(tmp);
1335: }
1336: } else {
1337: RB_FOREACH(s_loop, sessions, &sessions) {
1338: RB_FOREACH(wl, winlinks, &s_loop->windows) {
1339: w = wl->window;
1340:
1341: xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
1342: if (strncmp(tmp, s, strlen(s)) == 0) {
1343: list = xreallocarray(list, size + 1,
1344: sizeof *list);
1345: list[size++] = tmp;
1346: continue;
1347: }
1348: free(tmp);
1349:
1350: xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
1351: if (strncmp(tmp, s, strlen(s)) == 0) {
1352: list = xreallocarray(list, size + 1,
1353: sizeof *list);
1354: list[size++] = tmp;
1355: continue;
1356: }
1357: free(tmp);
1358: }
1.1 nicm 1359: }
1360: }
1.128 nicm 1361: if (size == 1) {
1362: out = xstrdup(list[0]);
1363: colon = " ";
1364: } else if (size != 0)
1365: out = status_prompt_complete_prefix(list, size);
1366: if (out != NULL) {
1367: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1368: out = tmp;
1369: }
1370:
1371: for (i = 0; i < size; i++)
1372: free((void *)list[i]);
1373:
1374: found:
1375: free(copy);
1376: free(list);
1377: return (out);
1.1 nicm 1378: }
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