Annotation of src/usr.bin/tmux/status.c, Revision 1.146
1.146 ! nicm 1: /* $OpenBSD: status.c,v 1.145 2015/12/11 12:27:36 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:
1.139 nicm 32: char *status_redraw_get_left(struct client *, time_t, struct grid_cell *,
33: size_t *);
34: char *status_redraw_get_right(struct client *, time_t, struct grid_cell *,
1.123 nicm 35: 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:
1.137 nicm 64: history_file = options_get_string(global_options, "history-file");
1.130 nicm 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
1.141 nicm 148: status_timer_callback(__unused int fd, __unused short events, void *arg)
1.133 nicm 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);
1.137 nicm 163: tv.tv_sec = options_get_number(s->options, "status-interval");
1.133 nicm 164:
165: if (tv.tv_sec != 0)
166: evtimer_add(&c->status_timer, &tv);
1.136 nicm 167: log_debug("client %p, status interval %d", c, (int)tv.tv_sec);
1.133 nicm 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:
1.137 nicm 181: if (s != NULL && options_get_number(s->options, "status"))
1.133 nicm 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:
1.137 nicm 201: if (!options_get_number(s->options, "status"))
1.87 nicm 202: return (-1);
203:
1.137 nicm 204: if (options_get_number(s->options, "status-position") == 0)
1.87 nicm 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 *
1.139 nicm 211: status_redraw_get_left(struct client *c, time_t t, struct grid_cell *gc,
212: 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:
1.137 nicm 219: style_apply_update(gc, s->options, "status-left-style");
1.48 nicm 220:
1.137 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:
1.137 nicm 224: *size = options_get_number(s->options, "status-left-length");
1.139 nicm 225: leftlen = screen_write_cstrlen("%s", left);
1.48 nicm 226: if (leftlen < *size)
227: *size = leftlen;
228: return (left);
229: }
230:
231: /* Retrieve options for right string. */
232: char *
1.139 nicm 233: status_redraw_get_right(struct client *c, time_t t, struct grid_cell *gc,
234: 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:
1.137 nicm 241: style_apply_update(gc, s->options, "status-right-style");
1.48 nicm 242:
1.137 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:
1.137 nicm 246: *size = options_get_number(s->options, "status-right-length");
1.139 nicm 247: rightlen = screen_write_cstrlen("%s", right);
1.48 nicm 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) {
1.137 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;
1.139 nicm 289: int larrow, rarrow;
1.1 nicm 290:
1.49 nicm 291: /* No status line? */
1.137 nicm 292: if (c->tty.sy == 0 || !options_get_number(s->options, "status"))
1.7 nicm 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. */
1.137 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: /* Work out left and right strings. */
316: memcpy(&lgc, &stdgc, sizeof lgc);
1.139 nicm 317: left = status_redraw_get_left(c, t, &lgc, &llen);
1.48 nicm 318: memcpy(&rgc, &stdgc, sizeof rgc);
1.139 nicm 319: right = status_redraw_get_right(c, t, &rgc, &rlen);
1.1 nicm 320:
321: /*
1.48 nicm 322: * Figure out how much space we have for the window list. If there
323: * isn't enough space, just show a blank status line.
1.1 nicm 324: */
1.55 nicm 325: needed = 0;
1.1 nicm 326: if (llen != 0)
1.118 nicm 327: needed += llen;
1.1 nicm 328: if (rlen != 0)
1.118 nicm 329: needed += rlen;
1.48 nicm 330: if (c->tty.sx == 0 || c->tty.sx <= needed)
331: goto out;
332: wlavailable = c->tty.sx - needed;
1.1 nicm 333:
1.48 nicm 334: /* Calculate the total size needed for the window list. */
335: wlstart = wloffset = wlwidth = 0;
1.1 nicm 336: RB_FOREACH(wl, winlinks, &s->windows) {
1.94 nicm 337: free(wl->status_text);
1.48 nicm 338: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
339: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.139 nicm 340: wl->status_width = screen_write_cstrlen("%s", wl->status_text);
1.48 nicm 341:
1.1 nicm 342: if (wl == s->curw)
1.48 nicm 343: wloffset = wlwidth;
1.91 nicm 344:
1.137 nicm 345: oo = wl->window->options;
1.91 nicm 346: sep = options_get_string(oo, "window-status-separator");
1.139 nicm 347: seplen = screen_write_strlen("%s", sep);
1.91 nicm 348: wlwidth += wl->status_width + seplen;
1.48 nicm 349: }
350:
351: /* Create a new screen for the window list. */
352: screen_init(&window_list, wlwidth, 1, 0);
353:
354: /* And draw the window list into it. */
355: screen_write_start(&ctx, NULL, &window_list);
356: RB_FOREACH(wl, winlinks, &s->windows) {
1.139 nicm 357: screen_write_cnputs(&ctx, -1, &wl->status_cell, "%s",
358: wl->status_text);
1.91 nicm 359:
1.137 nicm 360: oo = wl->window->options;
1.91 nicm 361: sep = options_get_string(oo, "window-status-separator");
1.139 nicm 362: screen_write_nputs(&ctx, -1, &stdgc, "%s", sep);
1.1 nicm 363: }
1.48 nicm 364: screen_write_stop(&ctx);
1.1 nicm 365:
1.48 nicm 366: /* If there is enough space for the total width, skip to draw now. */
367: if (wlwidth <= wlavailable)
1.1 nicm 368: goto draw;
369:
370: /* Find size of current window text. */
1.48 nicm 371: wlsize = s->curw->status_width;
1.1 nicm 372:
373: /*
1.48 nicm 374: * If the current window is already on screen, good to draw from the
1.1 nicm 375: * start and just leave off the end.
376: */
1.48 nicm 377: if (wloffset + wlsize < wlavailable) {
378: if (wlavailable > 0) {
379: rarrow = 1;
380: wlavailable--;
381: }
382: wlwidth = wlavailable;
383: } else {
384: /*
385: * Work out how many characters we need to omit from the
386: * start. There are wlavailable characters to fill, and
387: * wloffset + wlsize must be the last. So, the start character
388: * is wloffset + wlsize - wlavailable.
389: */
390: if (wlavailable > 0) {
391: larrow = 1;
392: wlavailable--;
393: }
1.55 nicm 394:
1.48 nicm 395: wlstart = wloffset + wlsize - wlavailable;
396: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 397: rarrow = 1;
1.48 nicm 398: wlstart++;
399: wlavailable--;
1.1 nicm 400: }
1.48 nicm 401: wlwidth = wlavailable;
402: }
1.1 nicm 403:
1.48 nicm 404: /* Bail if anything is now too small too. */
405: if (wlwidth == 0 || wlavailable == 0) {
406: screen_free(&window_list);
407: goto out;
1.1 nicm 408: }
409:
410: /*
1.48 nicm 411: * Now the start position is known, work out the state of the left and
412: * right arrows.
1.1 nicm 413: */
414: offset = 0;
415: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 416: if (wl->flags & WINLINK_ALERTFLAGS &&
417: larrow == 1 && offset < wlstart)
418: larrow = -1;
1.1 nicm 419:
1.48 nicm 420: offset += wl->status_width;
1.1 nicm 421:
1.63 nicm 422: if (wl->flags & WINLINK_ALERTFLAGS &&
423: rarrow == 1 && offset > wlstart + wlwidth)
424: rarrow = -1;
1.1 nicm 425: }
426:
1.48 nicm 427: draw:
1.55 nicm 428: /* Begin drawing. */
1.48 nicm 429: screen_write_start(&ctx, NULL, &c->status);
1.1 nicm 430:
1.48 nicm 431: /* Draw the left string and arrow. */
432: screen_write_cursormove(&ctx, 0, 0);
1.118 nicm 433: if (llen != 0)
1.139 nicm 434: screen_write_cnputs(&ctx, llen, &lgc, "%s", left);
1.1 nicm 435: if (larrow != 0) {
436: memcpy(&gc, &stdgc, sizeof gc);
437: if (larrow == -1)
438: gc.attr ^= GRID_ATTR_REVERSE;
439: screen_write_putc(&ctx, &gc, '<');
440: }
1.48 nicm 441:
442: /* Draw the right string and arrow. */
1.1 nicm 443: if (rarrow != 0) {
1.118 nicm 444: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
1.1 nicm 445: memcpy(&gc, &stdgc, sizeof gc);
446: if (rarrow == -1)
447: gc.attr ^= GRID_ATTR_REVERSE;
448: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 449: } else
1.118 nicm 450: screen_write_cursormove(&ctx, c->tty.sx - rlen, 0);
451: if (rlen != 0)
1.139 nicm 452: screen_write_cnputs(&ctx, rlen, &rgc, "%s", right);
1.1 nicm 453:
1.48 nicm 454: /* Figure out the offset for the window list. */
1.58 nicm 455: if (llen != 0)
1.118 nicm 456: wloffset = llen;
1.58 nicm 457: else
458: wloffset = 0;
1.48 nicm 459: if (wlwidth < wlavailable) {
1.137 nicm 460: switch (options_get_number(s->options, "status-justify")) {
1.119 sthen 461: case 1: /* centred */
1.58 nicm 462: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 463: break;
464: case 2: /* right */
1.58 nicm 465: wloffset += (wlavailable - wlwidth);
1.48 nicm 466: break;
467: }
468: }
469: if (larrow != 0)
470: wloffset++;
471:
472: /* Copy the window list. */
1.88 nicm 473: c->wlmouse = -wloffset + wlstart;
1.48 nicm 474: screen_write_cursormove(&ctx, wloffset, 0);
475: screen_write_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 476: screen_free(&window_list);
1.1 nicm 477:
1.48 nicm 478: screen_write_stop(&ctx);
1.1 nicm 479:
480: out:
1.94 nicm 481: free(left);
482: free(right);
1.1 nicm 483:
484: if (grid_compare(c->status.grid, old_status.grid) == 0) {
485: screen_free(&old_status);
486: return (0);
487: }
488: screen_free(&old_status);
489: return (1);
490: }
491:
1.46 nicm 492: /* Replace special sequences in fmt. */
493: char *
1.123 nicm 494: status_replace(struct client *c, struct winlink *wl, const char *fmt, time_t t)
1.46 nicm 495: {
1.96 nicm 496: struct format_tree *ft;
1.129 nicm 497: char *expanded;
1.47 nicm 498:
1.93 nicm 499: if (fmt == NULL)
500: return (xstrdup(""));
501:
1.135 nicm 502: if (c->flags & CLIENT_STATUSFORCE)
1.145 nicm 503: ft = format_create(NULL, FORMAT_STATUS|FORMAT_FORCE);
1.135 nicm 504: else
1.145 nicm 505: ft = format_create(NULL, FORMAT_STATUS);
1.129 nicm 506: format_defaults(ft, c, NULL, wl, NULL);
1.1 nicm 507:
1.129 nicm 508: expanded = format_expand_time(ft, fmt, t);
1.46 nicm 509:
1.99 nicm 510: format_free(ft);
511: return (expanded);
1.1 nicm 512: }
513:
1.46 nicm 514: /* Return winlink status line entry and adjust gc as necessary. */
1.1 nicm 515: char *
1.120 nicm 516: status_print(struct client *c, struct winlink *wl, time_t t,
517: struct grid_cell *gc)
1.1 nicm 518: {
1.137 nicm 519: struct options *oo = wl->window->options;
1.47 nicm 520: struct session *s = c->session;
521: const char *fmt;
522: char *text;
1.1 nicm 523:
1.108 nicm 524: style_apply_update(gc, oo, "window-status-style");
1.47 nicm 525: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 526: if (wl == s->curw) {
1.108 nicm 527: style_apply_update(gc, oo, "window-status-current-style");
1.47 nicm 528: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 529: }
1.108 nicm 530: if (wl == TAILQ_FIRST(&s->lastw))
531: style_apply_update(gc, oo, "window-status-last-style");
532:
533: if (wl->flags & WINLINK_BELL)
534: style_apply_update(gc, oo, "window-status-bell-style");
535: else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
536: style_apply_update(gc, oo, "window-status-activity-style");
1.1 nicm 537:
1.123 nicm 538: text = status_replace(c, wl, fmt, t);
1.1 nicm 539: return (text);
540: }
541:
1.46 nicm 542: /* Set a status line message. */
1.117 nicm 543: void
1.10 nicm 544: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 545: {
1.44 nicm 546: struct timeval tv;
1.127 nicm 547: struct message_entry *msg, *msg1;
1.44 nicm 548: va_list ap;
549: int delay;
1.127 nicm 550: u_int first, limit;
551:
1.137 nicm 552: limit = options_get_number(global_options, "message-limit");
1.1 nicm 553:
1.12 nicm 554: status_prompt_clear(c);
555: status_message_clear(c);
556:
1.28 nicm 557: va_start(ap, fmt);
558: xvasprintf(&c->message_string, fmt, ap);
559: va_end(ap);
560:
1.127 nicm 561: msg = xcalloc(1, sizeof *msg);
1.44 nicm 562: msg->msg_time = time(NULL);
1.127 nicm 563: msg->msg_num = c->message_next++;
1.44 nicm 564: msg->msg = xstrdup(c->message_string);
1.127 nicm 565: TAILQ_INSERT_TAIL(&c->message_log, msg, entry);
1.44 nicm 566:
1.127 nicm 567: first = c->message_next - limit;
568: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
569: if (msg->msg_num >= first)
570: continue;
571: free(msg->msg);
572: TAILQ_REMOVE(&c->message_log, msg, entry);
573: free(msg);
1.44 nicm 574: }
575:
1.137 nicm 576: delay = options_get_number(c->session->options, "display-time");
1.143 tim 577: if (delay > 0) {
578: tv.tv_sec = delay / 1000;
579: tv.tv_usec = (delay % 1000) * 1000L;
580:
581: if (event_initialized(&c->message_timer))
582: evtimer_del(&c->message_timer);
583: evtimer_set(&c->message_timer, status_message_callback, c);
584: evtimer_add(&c->message_timer, &tv);
585: }
1.1 nicm 586:
587: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
588: c->flags |= CLIENT_STATUS;
589: }
590:
1.46 nicm 591: /* Clear status line message. */
1.1 nicm 592: void
593: status_message_clear(struct client *c)
594: {
595: if (c->message_string == NULL)
596: return;
597:
1.94 nicm 598: free(c->message_string);
1.1 nicm 599: c->message_string = NULL;
600:
601: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 602: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 603:
604: screen_reinit(&c->status);
1.42 nicm 605: }
606:
1.46 nicm 607: /* Clear status line message after timer expires. */
1.42 nicm 608: void
1.141 nicm 609: status_message_callback(__unused int fd, __unused short event, void *data)
1.42 nicm 610: {
611: struct client *c = data;
612:
613: status_message_clear(c);
1.1 nicm 614: }
615:
616: /* Draw client message on status line of present else on last line. */
617: int
618: status_message_redraw(struct client *c)
619: {
620: struct screen_write_ctx ctx;
621: struct session *s = c->session;
622: struct screen old_status;
623: size_t len;
624: struct grid_cell gc;
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:
1.139 nicm 631: len = screen_write_strlen("%s", c->message_string);
1.1 nicm 632: if (len > c->tty.sx)
633: len = c->tty.sx;
634:
1.137 nicm 635: style_apply(&gc, s->options, "message-style");
1.1 nicm 636:
637: screen_write_start(&ctx, NULL, &c->status);
638:
639: screen_write_cursormove(&ctx, 0, 0);
1.139 nicm 640: screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
1.1 nicm 641: for (; len < c->tty.sx; len++)
642: screen_write_putc(&ctx, &gc, ' ');
643:
644: screen_write_stop(&ctx);
645:
646: if (grid_compare(c->status.grid, old_status.grid) == 0) {
647: screen_free(&old_status);
648: return (0);
649: }
650: screen_free(&old_status);
651: return (1);
652: }
653:
1.46 nicm 654: /* Enable status line prompt. */
1.1 nicm 655: void
1.76 nicm 656: status_prompt_set(struct client *c, const char *msg, const char *input,
1.12 nicm 657: int (*callbackfn)(void *, const char *), void (*freefn)(void *),
658: void *data, int flags)
1.1 nicm 659: {
1.122 nicm 660: struct format_tree *ft;
661: int keys;
662: time_t t;
663:
1.145 nicm 664: ft = format_create(NULL, 0);
1.122 nicm 665: format_defaults(ft, c, NULL, NULL, NULL);
666: t = time(NULL);
1.20 nicm 667:
1.12 nicm 668: status_message_clear(c);
669: status_prompt_clear(c);
670:
1.124 nicm 671: c->prompt_string = format_expand_time(ft, msg, t);
1.1 nicm 672:
1.124 nicm 673: c->prompt_buffer = format_expand_time(ft, input, t);
1.76 nicm 674: c->prompt_index = strlen(c->prompt_buffer);
1.1 nicm 675:
1.12 nicm 676: c->prompt_callbackfn = callbackfn;
677: c->prompt_freefn = freefn;
1.1 nicm 678: c->prompt_data = data;
679:
680: c->prompt_hindex = 0;
681:
682: c->prompt_flags = flags;
683:
1.137 nicm 684: keys = options_get_number(c->session->options, "status-keys");
1.20 nicm 685: if (keys == MODEKEY_EMACS)
1.21 nicm 686: mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
1.20 nicm 687: else
1.21 nicm 688: mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
1.1 nicm 689:
690: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
691: c->flags |= CLIENT_STATUS;
1.122 nicm 692:
693: format_free(ft);
1.1 nicm 694: }
695:
1.46 nicm 696: /* Remove status line prompt. */
1.1 nicm 697: void
698: status_prompt_clear(struct client *c)
699: {
1.55 nicm 700: if (c->prompt_string == NULL)
1.1 nicm 701: return;
702:
1.12 nicm 703: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
704: c->prompt_freefn(c->prompt_data);
1.1 nicm 705:
1.94 nicm 706: free(c->prompt_string);
1.1 nicm 707: c->prompt_string = NULL;
708:
1.94 nicm 709: free(c->prompt_buffer);
1.1 nicm 710: c->prompt_buffer = NULL;
711:
712: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 713: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 714:
715: screen_reinit(&c->status);
1.27 nicm 716: }
717:
1.46 nicm 718: /* Update status line prompt with a new prompt string. */
1.27 nicm 719: void
1.76 nicm 720: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 721: {
1.122 nicm 722: struct format_tree *ft;
723: time_t t;
724:
1.145 nicm 725: ft = format_create(NULL, 0);
1.122 nicm 726: format_defaults(ft, c, NULL, NULL, NULL);
727: t = time(NULL);
728:
1.94 nicm 729: free(c->prompt_string);
1.124 nicm 730: c->prompt_string = format_expand_time(ft, msg, t);
1.27 nicm 731:
1.94 nicm 732: free(c->prompt_buffer);
1.124 nicm 733: c->prompt_buffer = format_expand_time(ft, input, t);
1.76 nicm 734: c->prompt_index = strlen(c->prompt_buffer);
1.27 nicm 735:
736: c->prompt_hindex = 0;
737:
738: c->flags |= CLIENT_STATUS;
1.122 nicm 739:
740: format_free(ft);
1.1 nicm 741: }
742:
743: /* Draw client prompt on status line of present else on last line. */
744: int
745: status_prompt_redraw(struct client *c)
746: {
1.51 nicm 747: struct screen_write_ctx ctx;
1.1 nicm 748: struct session *s = c->session;
749: struct screen old_status;
1.29 nicm 750: size_t i, size, left, len, off;
1.140 nicm 751: struct grid_cell gc;
1.1 nicm 752:
753: if (c->tty.sx == 0 || c->tty.sy == 0)
754: return (0);
755: memcpy(&old_status, &c->status, sizeof old_status);
756: screen_init(&c->status, c->tty.sx, 1, 0);
757:
1.139 nicm 758: len = screen_write_strlen("%s", c->prompt_string);
1.1 nicm 759: if (len > c->tty.sx)
760: len = c->tty.sx;
1.51 nicm 761: off = 0;
1.1 nicm 762:
1.79 nicm 763: /* Change colours for command mode. */
1.108 nicm 764: if (c->prompt_mdata.mode == 1)
1.137 nicm 765: style_apply(&gc, s->options, "message-command-style");
1.108 nicm 766: else
1.137 nicm 767: style_apply(&gc, s->options, "message-style");
1.1 nicm 768:
769: screen_write_start(&ctx, NULL, &c->status);
770:
771: screen_write_cursormove(&ctx, 0, 0);
1.139 nicm 772: screen_write_nputs(&ctx, len, &gc, "%s", c->prompt_string);
1.1 nicm 773:
774: left = c->tty.sx - len;
775: if (left != 0) {
1.139 nicm 776: size = screen_write_strlen("%s", c->prompt_buffer);
1.51 nicm 777: if (c->prompt_index >= left) {
1.17 nicm 778: off = c->prompt_index - left + 1;
1.51 nicm 779: if (c->prompt_index == size)
1.1 nicm 780: left--;
781: size = left;
782: }
1.139 nicm 783: screen_write_nputs(&ctx, left, &gc, "%s", c->prompt_buffer +
784: off);
1.1 nicm 785:
1.55 nicm 786: for (i = len + size; i < c->tty.sx; i++)
787: screen_write_putc(&ctx, &gc, ' ');
1.1 nicm 788: }
789:
790: screen_write_stop(&ctx);
1.51 nicm 791:
792: /* Apply fake cursor. */
793: off = len + c->prompt_index - off;
1.140 nicm 794: grid_view_get_cell(c->status.grid, off, 0, &gc);
795: gc.attr ^= GRID_ATTR_REVERSE;
796: grid_view_set_cell(c->status.grid, off, 0, &gc);
1.1 nicm 797:
798: if (grid_compare(c->status.grid, old_status.grid) == 0) {
799: screen_free(&old_status);
800: return (0);
801: }
802: screen_free(&old_status);
803: return (1);
804: }
805:
806: /* Handle keys in prompt. */
807: void
1.138 nicm 808: status_prompt_key(struct client *c, key_code key)
1.1 nicm 809: {
1.81 nicm 810: struct session *sess = c->session;
1.137 nicm 811: struct options *oo = sess->options;
1.1 nicm 812: struct paste_buffer *pb;
1.81 nicm 813: char *s, *first, *last, word[64], swapc;
1.134 nicm 814: const char *histstr, *bufdata, *wsep = NULL;
1.53 nicm 815: u_char ch;
1.134 nicm 816: size_t size, n, off, idx, bufsize;
1.1 nicm 817:
818: size = strlen(c->prompt_buffer);
1.101 nicm 819: switch (mode_key_lookup(&c->prompt_mdata, key, NULL)) {
1.20 nicm 820: case MODEKEYEDIT_CURSORLEFT:
1.1 nicm 821: if (c->prompt_index > 0) {
822: c->prompt_index--;
823: c->flags |= CLIENT_STATUS;
824: }
825: break;
1.79 nicm 826: case MODEKEYEDIT_SWITCHMODE:
827: c->flags |= CLIENT_STATUS;
828: break;
1.20 nicm 829: case MODEKEYEDIT_SWITCHMODEAPPEND:
1.79 nicm 830: c->flags |= CLIENT_STATUS;
831: /* FALLTHROUGH */
1.20 nicm 832: case MODEKEYEDIT_CURSORRIGHT:
1.1 nicm 833: if (c->prompt_index < size) {
834: c->prompt_index++;
835: c->flags |= CLIENT_STATUS;
836: }
837: break;
1.89 nicm 838: case MODEKEYEDIT_SWITCHMODEBEGINLINE:
839: c->flags |= CLIENT_STATUS;
840: /* FALLTHROUGH */
1.20 nicm 841: case MODEKEYEDIT_STARTOFLINE:
1.1 nicm 842: if (c->prompt_index != 0) {
843: c->prompt_index = 0;
844: c->flags |= CLIENT_STATUS;
845: }
846: break;
1.89 nicm 847: case MODEKEYEDIT_SWITCHMODEAPPENDLINE:
848: c->flags |= CLIENT_STATUS;
849: /* FALLTHROUGH */
1.20 nicm 850: case MODEKEYEDIT_ENDOFLINE:
1.1 nicm 851: if (c->prompt_index != size) {
852: c->prompt_index = size;
853: c->flags |= CLIENT_STATUS;
854: }
855: break;
1.20 nicm 856: case MODEKEYEDIT_COMPLETE:
1.1 nicm 857: if (*c->prompt_buffer == '\0')
858: break;
859:
860: idx = c->prompt_index;
861: if (idx != 0)
862: idx--;
863:
864: /* Find the word we are in. */
865: first = c->prompt_buffer + idx;
866: while (first > c->prompt_buffer && *first != ' ')
867: first--;
868: while (*first == ' ')
869: first++;
870: last = c->prompt_buffer + idx;
871: while (*last != '\0' && *last != ' ')
872: last++;
873: while (*last == ' ')
874: last--;
875: if (*last != '\0')
876: last++;
877: if (last <= first ||
878: ((size_t) (last - first)) > (sizeof word) - 1)
879: break;
880: memcpy(word, first, last - first);
881: word[last - first] = '\0';
882:
883: /* And try to complete it. */
1.128 nicm 884: if ((s = status_prompt_complete(sess, word)) == NULL)
1.1 nicm 885: break;
886:
887: /* Trim out word. */
888: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
889: memmove(first, last, n);
890: size -= last - first;
891:
892: /* Insert the new word. */
1.55 nicm 893: size += strlen(s);
1.1 nicm 894: off = first - c->prompt_buffer;
1.116 nicm 895: c->prompt_buffer = xrealloc(c->prompt_buffer, size + 1);
1.1 nicm 896: first = c->prompt_buffer + off;
1.55 nicm 897: memmove(first + strlen(s), first, n);
898: memcpy(first, s, strlen(s));
1.1 nicm 899:
900: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 901: free(s);
1.1 nicm 902:
903: c->flags |= CLIENT_STATUS;
904: break;
1.20 nicm 905: case MODEKEYEDIT_BACKSPACE:
1.1 nicm 906: if (c->prompt_index != 0) {
907: if (c->prompt_index == size)
908: c->prompt_buffer[--c->prompt_index] = '\0';
909: else {
910: memmove(c->prompt_buffer + c->prompt_index - 1,
911: c->prompt_buffer + c->prompt_index,
912: size + 1 - c->prompt_index);
913: c->prompt_index--;
914: }
915: c->flags |= CLIENT_STATUS;
916: }
917: break;
1.55 nicm 918: case MODEKEYEDIT_DELETE:
1.105 nicm 919: case MODEKEYEDIT_SWITCHMODESUBSTITUTE:
1.1 nicm 920: if (c->prompt_index != size) {
921: memmove(c->prompt_buffer + c->prompt_index,
922: c->prompt_buffer + c->prompt_index + 1,
923: size + 1 - c->prompt_index);
1.18 nicm 924: c->flags |= CLIENT_STATUS;
925: }
1.26 nicm 926: break;
927: case MODEKEYEDIT_DELETELINE:
1.105 nicm 928: case MODEKEYEDIT_SWITCHMODESUBSTITUTELINE:
1.26 nicm 929: *c->prompt_buffer = '\0';
930: c->prompt_index = 0;
931: c->flags |= CLIENT_STATUS;
1.18 nicm 932: break;
1.20 nicm 933: case MODEKEYEDIT_DELETETOENDOFLINE:
1.105 nicm 934: case MODEKEYEDIT_SWITCHMODECHANGELINE:
1.18 nicm 935: if (c->prompt_index < size) {
936: c->prompt_buffer[c->prompt_index] = '\0';
1.1 nicm 937: c->flags |= CLIENT_STATUS;
938: }
939: break;
1.81 nicm 940: case MODEKEYEDIT_DELETEWORD:
941: wsep = options_get_string(oo, "word-separators");
942: idx = c->prompt_index;
943:
944: /* Find a non-separator. */
945: while (idx != 0) {
946: idx--;
947: if (!strchr(wsep, c->prompt_buffer[idx]))
948: break;
949: }
950:
951: /* Find the separator at the beginning of the word. */
952: while (idx != 0) {
953: idx--;
954: if (strchr(wsep, c->prompt_buffer[idx])) {
955: /* Go back to the word. */
956: idx++;
957: break;
958: }
959: }
960:
961: memmove(c->prompt_buffer + idx,
962: c->prompt_buffer + c->prompt_index,
963: size + 1 - c->prompt_index);
964: memset(c->prompt_buffer + size - (c->prompt_index - idx),
965: '\0', c->prompt_index - idx);
966: c->prompt_index = idx;
967: c->flags |= CLIENT_STATUS;
968: break;
1.83 nicm 969: case MODEKEYEDIT_NEXTSPACE:
970: wsep = " ";
971: /* FALLTHROUGH */
1.81 nicm 972: case MODEKEYEDIT_NEXTWORD:
1.83 nicm 973: if (wsep == NULL)
974: wsep = options_get_string(oo, "word-separators");
1.81 nicm 975:
976: /* Find a separator. */
977: while (c->prompt_index != size) {
978: c->prompt_index++;
979: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
980: break;
981: }
982:
983: /* Find the word right after the separation. */
984: while (c->prompt_index != size) {
985: c->prompt_index++;
986: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
987: break;
988: }
989:
990: c->flags |= CLIENT_STATUS;
991: break;
1.83 nicm 992: case MODEKEYEDIT_NEXTSPACEEND:
993: wsep = " ";
994: /* FALLTHROUGH */
1.81 nicm 995: case MODEKEYEDIT_NEXTWORDEND:
1.83 nicm 996: if (wsep == NULL)
997: wsep = options_get_string(oo, "word-separators");
1.81 nicm 998:
999: /* Find a word. */
1000: while (c->prompt_index != size) {
1001: c->prompt_index++;
1002: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1003: break;
1004: }
1005:
1006: /* Find the separator at the end of the word. */
1007: while (c->prompt_index != size) {
1008: c->prompt_index++;
1.82 nicm 1009: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1.81 nicm 1010: break;
1011: }
1.106 nicm 1012:
1013: /* Back up to the end-of-word like vi. */
1014: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1015: c->prompt_index != 0)
1016: c->prompt_index--;
1.81 nicm 1017:
1018: c->flags |= CLIENT_STATUS;
1019: break;
1.83 nicm 1020: case MODEKEYEDIT_PREVIOUSSPACE:
1021: wsep = " ";
1022: /* FALLTHROUGH */
1.81 nicm 1023: case MODEKEYEDIT_PREVIOUSWORD:
1.83 nicm 1024: if (wsep == NULL)
1025: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1026:
1027: /* Find a non-separator. */
1028: while (c->prompt_index != 0) {
1029: c->prompt_index--;
1030: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1031: break;
1032: }
1033:
1034: /* Find the separator at the beginning of the word. */
1035: while (c->prompt_index != 0) {
1036: c->prompt_index--;
1037: if (strchr(wsep, c->prompt_buffer[c->prompt_index])) {
1038: /* Go back to the word. */
1039: c->prompt_index++;
1040: break;
1041: }
1042: }
1043:
1044: c->flags |= CLIENT_STATUS;
1045: break;
1.20 nicm 1046: case MODEKEYEDIT_HISTORYUP:
1.66 nicm 1047: histstr = status_prompt_up_history(&c->prompt_hindex);
1048: if (histstr == NULL)
1.1 nicm 1049: break;
1.94 nicm 1050: free(c->prompt_buffer);
1.66 nicm 1051: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1052: c->prompt_index = strlen(c->prompt_buffer);
1053: c->flags |= CLIENT_STATUS;
1054: break;
1.20 nicm 1055: case MODEKEYEDIT_HISTORYDOWN:
1.66 nicm 1056: histstr = status_prompt_down_history(&c->prompt_hindex);
1057: if (histstr == NULL)
1.65 nicm 1058: break;
1.94 nicm 1059: free(c->prompt_buffer);
1.66 nicm 1060: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1061: c->prompt_index = strlen(c->prompt_buffer);
1062: c->flags |= CLIENT_STATUS;
1063: break;
1.20 nicm 1064: case MODEKEYEDIT_PASTE:
1.134 nicm 1065: if ((pb = paste_get_top(NULL)) == NULL)
1.1 nicm 1066: break;
1.134 nicm 1067: bufdata = paste_buffer_data(pb, &bufsize);
1068: for (n = 0; n < bufsize; n++) {
1069: ch = (u_char)bufdata[n];
1.53 nicm 1070: if (ch < 32 || ch == 127)
1.32 nicm 1071: break;
1072: }
1.1 nicm 1073:
1.116 nicm 1074: c->prompt_buffer = xrealloc(c->prompt_buffer, size + n + 1);
1.1 nicm 1075: if (c->prompt_index == size) {
1.134 nicm 1076: memcpy(c->prompt_buffer + c->prompt_index, bufdata, n);
1.1 nicm 1077: c->prompt_index += n;
1078: c->prompt_buffer[c->prompt_index] = '\0';
1079: } else {
1080: memmove(c->prompt_buffer + c->prompt_index + n,
1081: c->prompt_buffer + c->prompt_index,
1082: size + 1 - c->prompt_index);
1.134 nicm 1083: memcpy(c->prompt_buffer + c->prompt_index, bufdata, n);
1.1 nicm 1084: c->prompt_index += n;
1085: }
1086:
1087: c->flags |= CLIENT_STATUS;
1.30 nicm 1088: break;
1089: case MODEKEYEDIT_TRANSPOSECHARS:
1090: idx = c->prompt_index;
1091: if (idx < size)
1092: idx++;
1093: if (idx >= 2) {
1094: swapc = c->prompt_buffer[idx - 2];
1095: c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
1096: c->prompt_buffer[idx - 1] = swapc;
1097: c->prompt_index = idx;
1098: c->flags |= CLIENT_STATUS;
1099: }
1.1 nicm 1100: break;
1.55 nicm 1101: case MODEKEYEDIT_ENTER:
1.25 nicm 1102: if (*c->prompt_buffer != '\0')
1.65 nicm 1103: status_prompt_add_history(c->prompt_buffer);
1.25 nicm 1104: if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
1105: status_prompt_clear(c);
1106: break;
1.20 nicm 1107: case MODEKEYEDIT_CANCEL:
1.12 nicm 1108: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1109: status_prompt_clear(c);
1110: break;
1.20 nicm 1111: case MODEKEY_OTHER:
1.138 nicm 1112: if (key <= 0x1f || key >= 0x7f)
1.1 nicm 1113: break;
1.116 nicm 1114: c->prompt_buffer = xrealloc(c->prompt_buffer, size + 2);
1.1 nicm 1115:
1116: if (c->prompt_index == size) {
1117: c->prompt_buffer[c->prompt_index++] = key;
1118: c->prompt_buffer[c->prompt_index] = '\0';
1119: } else {
1120: memmove(c->prompt_buffer + c->prompt_index + 1,
1121: c->prompt_buffer + c->prompt_index,
1122: size + 1 - c->prompt_index);
1123: c->prompt_buffer[c->prompt_index++] = key;
1124: }
1125:
1126: if (c->prompt_flags & PROMPT_SINGLE) {
1.146 ! nicm 1127: if (c->prompt_callbackfn(c->prompt_data,
! 1128: c->prompt_buffer) == 0)
1.1 nicm 1129: status_prompt_clear(c);
1130: }
1131:
1132: c->flags |= CLIENT_STATUS;
1133: break;
1134: default:
1135: break;
1136: }
1137: }
1138:
1.65 nicm 1139: /* Get previous line from the history. */
1140: const char *
1141: status_prompt_up_history(u_int *idx)
1142: {
1143: /*
1.128 nicm 1144: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1145: * empty.
1.65 nicm 1146: */
1147:
1.128 nicm 1148: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1149: return (NULL);
1150: (*idx)++;
1.128 nicm 1151: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1152: }
1153:
1154: /* Get next line from the history. */
1155: const char *
1156: status_prompt_down_history(u_int *idx)
1157: {
1.128 nicm 1158: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1159: return ("");
1160: (*idx)--;
1161: if (*idx == 0)
1162: return ("");
1.128 nicm 1163: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1164: }
1165:
1.1 nicm 1166: /* Add line to the history. */
1167: void
1.65 nicm 1168: status_prompt_add_history(const char *line)
1.1 nicm 1169: {
1.128 nicm 1170: size_t size;
1.65 nicm 1171:
1.128 nicm 1172: if (status_prompt_hsize > 0 &&
1173: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1174: return;
1175:
1.128 nicm 1176: if (status_prompt_hsize == PROMPT_HISTORY) {
1177: free(status_prompt_hlist[0]);
1.1 nicm 1178:
1.128 nicm 1179: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1180: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1181:
1.128 nicm 1182: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1183: return;
1184: }
1.1 nicm 1185:
1.128 nicm 1186: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1187: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1188: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1189: }
1190:
1191: /* Build completion list. */
1192: const char **
1193: status_prompt_complete_list(u_int *size, const char *s)
1194: {
1195: const char **list = NULL, **layout;
1196: const struct cmd_entry **cmdent;
1197: const struct options_table_entry *oe;
1198: const char *layouts[] = {
1199: "even-horizontal", "even-vertical", "main-horizontal",
1200: "main-vertical", "tiled", NULL
1201: };
1.1 nicm 1202:
1.128 nicm 1203: *size = 0;
1.1 nicm 1204: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.128 nicm 1205: if (strncmp((*cmdent)->name, s, strlen(s)) == 0) {
1206: list = xreallocarray(list, (*size) + 1, sizeof *list);
1207: list[(*size)++] = (*cmdent)->name;
1208: }
1.56 nicm 1209: }
1.142 nicm 1210: for (oe = options_table; oe->name != NULL; oe++) {
1.128 nicm 1211: if (strncmp(oe->name, s, strlen(s)) == 0) {
1212: list = xreallocarray(list, (*size) + 1, sizeof *list);
1213: list[(*size)++] = oe->name;
1214: }
1215: }
1216: for (layout = layouts; *layout != NULL; layout++) {
1217: if (strncmp(*layout, s, strlen(s)) == 0) {
1218: list = xreallocarray(list, (*size) + 1, sizeof *list);
1219: list[(*size)++] = *layout;
1220: }
1221: }
1222: return (list);
1223: }
1224:
1225: /* Find longest prefix. */
1226: char *
1227: status_prompt_complete_prefix(const char **list, u_int size)
1228: {
1229: char *out;
1230: u_int i;
1231: size_t j;
1232:
1233: out = xstrdup(list[0]);
1234: for (i = 1; i < size; i++) {
1235: j = strlen(list[i]);
1236: if (j > strlen(out))
1237: j = strlen(out);
1238: for (; j > 0; j--) {
1239: if (out[j - 1] != list[i][j - 1])
1240: out[j - 1] = '\0';
1241: }
1.1 nicm 1242: }
1.128 nicm 1243: return (out);
1244: }
1.1 nicm 1245:
1.128 nicm 1246: /* Complete word. */
1247: char *
1248: status_prompt_complete(struct session *sess, const char *s)
1249: {
1250: const char **list = NULL, *colon;
1251: u_int size = 0, i;
1252: struct session *s_loop;
1253: struct winlink *wl;
1254: struct window *w;
1255: char *copy, *out, *tmp;
1256:
1257: if (*s == '\0')
1.1 nicm 1258: return (NULL);
1.128 nicm 1259: out = NULL;
1260:
1261: if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
1262: list = status_prompt_complete_list(&size, s);
1263: if (size == 0)
1264: out = NULL;
1265: else if (size == 1)
1266: xasprintf(&out, "%s ", list[0]);
1267: else
1268: out = status_prompt_complete_prefix(list, size);
1269: free(list);
1270: return (out);
1271: }
1272: copy = xstrdup(s);
1273:
1274: colon = ":";
1275: if (copy[strlen(copy) - 1] == ':')
1276: copy[strlen(copy) - 1] = '\0';
1277: else
1278: colon = "";
1279: s = copy + 2;
1.1 nicm 1280:
1.128 nicm 1281: RB_FOREACH(s_loop, sessions, &sessions) {
1282: if (strncmp(s_loop->name, s, strlen(s)) == 0) {
1283: list = xreallocarray(list, size + 2, sizeof *list);
1284: list[size++] = s_loop->name;
1285: }
1286: }
1287: if (size == 1) {
1288: out = xstrdup(list[0]);
1289: if (session_find(list[0]) != NULL)
1290: colon = ":";
1291: } else if (size != 0)
1292: out = status_prompt_complete_prefix(list, size);
1293: if (out != NULL) {
1294: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1295: out = tmp;
1296: goto found;
1297: }
1298:
1299: colon = "";
1300: if (*s == ':') {
1301: RB_FOREACH(wl, winlinks, &sess->windows) {
1302: xasprintf(&tmp, ":%s", wl->window->name);
1303: if (strncmp(tmp, s, strlen(s)) == 0){
1304: list = xreallocarray(list, size + 1,
1305: sizeof *list);
1306: list[size++] = tmp;
1307: continue;
1308: }
1309: free(tmp);
1.1 nicm 1310:
1.128 nicm 1311: xasprintf(&tmp, ":%d", wl->idx);
1312: if (strncmp(tmp, s, strlen(s)) == 0) {
1313: list = xreallocarray(list, size + 1,
1314: sizeof *list);
1315: list[size++] = tmp;
1316: continue;
1317: }
1318: free(tmp);
1319: }
1320: } else {
1321: RB_FOREACH(s_loop, sessions, &sessions) {
1322: RB_FOREACH(wl, winlinks, &s_loop->windows) {
1323: w = wl->window;
1324:
1325: xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
1326: if (strncmp(tmp, s, strlen(s)) == 0) {
1327: list = xreallocarray(list, size + 1,
1328: sizeof *list);
1329: list[size++] = tmp;
1330: continue;
1331: }
1332: free(tmp);
1333:
1334: xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
1335: if (strncmp(tmp, s, strlen(s)) == 0) {
1336: list = xreallocarray(list, size + 1,
1337: sizeof *list);
1338: list[size++] = tmp;
1339: continue;
1340: }
1341: free(tmp);
1342: }
1.1 nicm 1343: }
1344: }
1.128 nicm 1345: if (size == 1) {
1346: out = xstrdup(list[0]);
1347: colon = " ";
1348: } else if (size != 0)
1349: out = status_prompt_complete_prefix(list, size);
1350: if (out != NULL) {
1351: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1352: out = tmp;
1353: }
1354:
1355: for (i = 0; i < size; i++)
1356: free((void *)list[i]);
1357:
1358: found:
1359: free(copy);
1360: free(list);
1361: return (out);
1.1 nicm 1362: }
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