Annotation of src/usr.bin/tmux/status.c, Revision 1.183
1.183 ! nicm 1: /* $OpenBSD: status.c,v 1.182 2018/10/18 08:38:01 nicm Exp $ */
1.1 nicm 2:
3: /*
1.148 nicm 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 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:
1.151 nicm 32: static char *status_redraw_get_left(struct client *, time_t,
33: struct grid_cell *, size_t *);
34: static char *status_redraw_get_right(struct client *, time_t,
35: struct grid_cell *, size_t *);
36: static char *status_print(struct client *, struct winlink *, time_t,
37: struct grid_cell *);
38: static char *status_replace(struct client *, struct winlink *, const char *,
39: time_t);
40: static void status_message_callback(int, short, void *);
41: static void status_timer_callback(int, short, void *);
42:
43: static char *status_prompt_find_history_file(void);
44: static const char *status_prompt_up_history(u_int *);
45: static const char *status_prompt_down_history(u_int *);
46: static void status_prompt_add_history(const char *);
47:
1.183 ! nicm 48: static char **status_prompt_complete_list(u_int *, const char *);
! 49: static char *status_prompt_complete_prefix(char **, u_int);
1.151 nicm 50: static char *status_prompt_complete(struct session *, const char *);
1.130 nicm 51:
1.65 nicm 52: /* Status prompt history. */
1.128 nicm 53: #define PROMPT_HISTORY 100
1.151 nicm 54: static char **status_prompt_hlist;
55: static u_int status_prompt_hsize;
1.130 nicm 56:
57: /* Find the history file to load/save from/to. */
1.151 nicm 58: static char *
1.130 nicm 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. */
1.151 nicm 147: static 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:
1.175 nicm 154: evtimer_del(&c->status.timer);
1.133 nicm 155:
156: if (s == NULL)
157: return;
158:
159: if (c->message_string == NULL && c->prompt_string == NULL)
1.177 nicm 160: c->flags |= CLIENT_REDRAWSTATUS;
1.133 nicm 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)
1.175 nicm 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:
1.175 nicm 176: if (event_initialized(&c->status.timer))
177: evtimer_del(&c->status.timer);
1.133 nicm 178: else
1.175 nicm 179: evtimer_set(&c->status.timer, status_timer_callback, c);
1.133 nicm 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:
1.161 nicm 195: /* Update status cache. */
196: void
197: status_update_saved(struct session *s)
198: {
199: if (!options_get_number(s->options, "status"))
200: s->statusat = -1;
201: else if (options_get_number(s->options, "status-position") == 0)
202: s->statusat = 0;
203: else
204: s->statusat = 1;
205: }
206:
1.87 nicm 207: /* Get screen line of status line. -1 means off. */
208: int
209: status_at_line(struct client *c)
210: {
211: struct session *s = c->session;
212:
1.169 nicm 213: if (c->flags & CLIENT_STATUSOFF)
214: return (-1);
1.161 nicm 215: if (s->statusat != 1)
216: return (s->statusat);
1.182 nicm 217: return (c->tty.sy - status_line_size(c));
1.169 nicm 218: }
219:
1.182 nicm 220: /* Get size of status line for client's session. 0 means off. */
1.169 nicm 221: u_int
1.182 nicm 222: status_line_size(struct client *c)
1.169 nicm 223: {
1.182 nicm 224: struct session *s = c->session;
225:
226: if (c->flags & CLIENT_STATUSOFF)
227: return (0);
1.169 nicm 228: if (s->statusat == -1)
229: return (0);
230: return (1);
1.71 nicm 231: }
232:
1.48 nicm 233: /* Retrieve options for left string. */
1.151 nicm 234: static char *
1.139 nicm 235: status_redraw_get_left(struct client *c, time_t t, struct grid_cell *gc,
236: size_t *size)
1.48 nicm 237: {
238: struct session *s = c->session;
1.120 nicm 239: const char *template;
1.48 nicm 240: char *left;
241: size_t leftlen;
242:
1.137 nicm 243: style_apply_update(gc, s->options, "status-left-style");
1.48 nicm 244:
1.137 nicm 245: template = options_get_string(s->options, "status-left");
1.123 nicm 246: left = status_replace(c, NULL, template, t);
1.48 nicm 247:
1.137 nicm 248: *size = options_get_number(s->options, "status-left-length");
1.139 nicm 249: leftlen = screen_write_cstrlen("%s", left);
1.48 nicm 250: if (leftlen < *size)
251: *size = leftlen;
252: return (left);
253: }
254:
255: /* Retrieve options for right string. */
1.151 nicm 256: static char *
1.139 nicm 257: status_redraw_get_right(struct client *c, time_t t, struct grid_cell *gc,
258: size_t *size)
1.48 nicm 259: {
260: struct session *s = c->session;
1.120 nicm 261: const char *template;
1.48 nicm 262: char *right;
263: size_t rightlen;
264:
1.137 nicm 265: style_apply_update(gc, s->options, "status-right-style");
1.48 nicm 266:
1.137 nicm 267: template = options_get_string(s->options, "status-right");
1.123 nicm 268: right = status_replace(c, NULL, template, t);
1.48 nicm 269:
1.137 nicm 270: *size = options_get_number(s->options, "status-right-length");
1.139 nicm 271: rightlen = screen_write_cstrlen("%s", right);
1.48 nicm 272: if (rightlen < *size)
273: *size = rightlen;
274: return (right);
275: }
276:
1.125 nicm 277: /* Get window at window list position. */
278: struct window *
279: status_get_window_at(struct client *c, u_int x)
1.73 nicm 280: {
281: struct session *s = c->session;
282: struct winlink *wl;
1.115 nicm 283: struct options *oo;
1.149 nicm 284: const char *sep;
285: size_t seplen;
1.73 nicm 286:
1.178 nicm 287: x += c->status.window_list_offset;
1.73 nicm 288: RB_FOREACH(wl, winlinks, &s->windows) {
1.137 nicm 289: oo = wl->window->options;
1.149 nicm 290:
291: sep = options_get_string(oo, "window-status-separator");
292: seplen = screen_write_cstrlen("%s", sep);
1.115 nicm 293:
1.125 nicm 294: if (x < wl->status_width)
295: return (wl->window);
1.149 nicm 296: x -= wl->status_width + seplen;
1.73 nicm 297: }
1.125 nicm 298: return (NULL);
1.73 nicm 299: }
300:
1.1 nicm 301: /* Draw status for client on the last lines of given context. */
302: int
303: status_redraw(struct client *c)
304: {
1.159 nicm 305: struct screen_write_ctx ctx;
306: struct session *s = c->session;
307: struct winlink *wl;
308: struct screen old_status, window_list;
309: struct grid_cell stdgc, lgc, rgc, gc;
310: struct options *oo;
311: time_t t;
312: char *left, *right;
313: const char *sep;
1.169 nicm 314: u_int offset, needed, lines;
1.159 nicm 315: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
316: size_t llen, rlen, seplen;
317: int larrow, rarrow;
1.1 nicm 318:
1.167 nicm 319: /* Delete the saved status line, if any. */
1.175 nicm 320: if (c->status.old_status != NULL) {
321: screen_free(c->status.old_status);
322: free(c->status.old_status);
323: c->status.old_status = NULL;
1.167 nicm 324: }
325:
1.49 nicm 326: /* No status line? */
1.182 nicm 327: lines = status_line_size(c);
1.169 nicm 328: if (c->tty.sy == 0 || lines == 0)
1.7 nicm 329: return (1);
1.48 nicm 330: left = right = NULL;
1.7 nicm 331: larrow = rarrow = 0;
1.1 nicm 332:
1.133 nicm 333: /* Store current time. */
334: t = time(NULL);
1.48 nicm 335:
336: /* Set up default colour. */
1.137 nicm 337: style_apply(&stdgc, s->options, "status-style");
1.1 nicm 338:
1.48 nicm 339: /* Create the target screen. */
1.175 nicm 340: memcpy(&old_status, &c->status.status, sizeof old_status);
341: screen_init(&c->status.status, c->tty.sx, lines, 0);
342: screen_write_start(&ctx, NULL, &c->status.status);
1.170 nicm 343: for (offset = 0; offset < lines * c->tty.sx; offset++)
344: screen_write_putc(&ctx, &stdgc, ' ');
1.48 nicm 345: screen_write_stop(&ctx);
346:
1.169 nicm 347: /* If the height is too small, blank status line. */
348: if (c->tty.sy < lines)
1.48 nicm 349: goto out;
1.1 nicm 350:
1.48 nicm 351: /* Work out left and right strings. */
352: memcpy(&lgc, &stdgc, sizeof lgc);
1.139 nicm 353: left = status_redraw_get_left(c, t, &lgc, &llen);
1.48 nicm 354: memcpy(&rgc, &stdgc, sizeof rgc);
1.139 nicm 355: right = status_redraw_get_right(c, t, &rgc, &rlen);
1.1 nicm 356:
357: /*
1.48 nicm 358: * Figure out how much space we have for the window list. If there
359: * isn't enough space, just show a blank status line.
1.1 nicm 360: */
1.55 nicm 361: needed = 0;
1.1 nicm 362: if (llen != 0)
1.118 nicm 363: needed += llen;
1.1 nicm 364: if (rlen != 0)
1.118 nicm 365: needed += rlen;
1.48 nicm 366: if (c->tty.sx == 0 || c->tty.sx <= needed)
367: goto out;
368: wlavailable = c->tty.sx - needed;
1.1 nicm 369:
1.48 nicm 370: /* Calculate the total size needed for the window list. */
371: wlstart = wloffset = wlwidth = 0;
1.1 nicm 372: RB_FOREACH(wl, winlinks, &s->windows) {
1.94 nicm 373: free(wl->status_text);
1.48 nicm 374: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
375: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.139 nicm 376: wl->status_width = screen_write_cstrlen("%s", wl->status_text);
1.48 nicm 377:
1.1 nicm 378: if (wl == s->curw)
1.48 nicm 379: wloffset = wlwidth;
1.91 nicm 380:
1.137 nicm 381: oo = wl->window->options;
1.91 nicm 382: sep = options_get_string(oo, "window-status-separator");
1.149 nicm 383: seplen = screen_write_cstrlen("%s", sep);
1.91 nicm 384: wlwidth += wl->status_width + seplen;
1.48 nicm 385: }
386:
387: /* Create a new screen for the window list. */
388: screen_init(&window_list, wlwidth, 1, 0);
389:
390: /* And draw the window list into it. */
391: screen_write_start(&ctx, NULL, &window_list);
392: RB_FOREACH(wl, winlinks, &s->windows) {
1.139 nicm 393: screen_write_cnputs(&ctx, -1, &wl->status_cell, "%s",
394: wl->status_text);
1.91 nicm 395:
1.137 nicm 396: oo = wl->window->options;
1.91 nicm 397: sep = options_get_string(oo, "window-status-separator");
1.149 nicm 398: screen_write_cnputs(&ctx, -1, &stdgc, "%s", sep);
1.1 nicm 399: }
1.48 nicm 400: screen_write_stop(&ctx);
1.1 nicm 401:
1.48 nicm 402: /* If there is enough space for the total width, skip to draw now. */
403: if (wlwidth <= wlavailable)
1.1 nicm 404: goto draw;
405:
406: /* Find size of current window text. */
1.48 nicm 407: wlsize = s->curw->status_width;
1.1 nicm 408:
409: /*
1.48 nicm 410: * If the current window is already on screen, good to draw from the
1.1 nicm 411: * start and just leave off the end.
412: */
1.48 nicm 413: if (wloffset + wlsize < wlavailable) {
414: if (wlavailable > 0) {
415: rarrow = 1;
416: wlavailable--;
417: }
418: wlwidth = wlavailable;
419: } else {
420: /*
421: * Work out how many characters we need to omit from the
422: * start. There are wlavailable characters to fill, and
423: * wloffset + wlsize must be the last. So, the start character
424: * is wloffset + wlsize - wlavailable.
425: */
426: if (wlavailable > 0) {
427: larrow = 1;
428: wlavailable--;
429: }
1.55 nicm 430:
1.48 nicm 431: wlstart = wloffset + wlsize - wlavailable;
432: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 433: rarrow = 1;
1.48 nicm 434: wlstart++;
435: wlavailable--;
1.1 nicm 436: }
1.48 nicm 437: wlwidth = wlavailable;
438: }
1.1 nicm 439:
1.48 nicm 440: /* Bail if anything is now too small too. */
441: if (wlwidth == 0 || wlavailable == 0) {
442: screen_free(&window_list);
443: goto out;
1.1 nicm 444: }
445:
446: /*
1.48 nicm 447: * Now the start position is known, work out the state of the left and
448: * right arrows.
1.1 nicm 449: */
450: offset = 0;
451: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 452: if (wl->flags & WINLINK_ALERTFLAGS &&
453: larrow == 1 && offset < wlstart)
454: larrow = -1;
1.1 nicm 455:
1.48 nicm 456: offset += wl->status_width;
1.1 nicm 457:
1.63 nicm 458: if (wl->flags & WINLINK_ALERTFLAGS &&
459: rarrow == 1 && offset > wlstart + wlwidth)
460: rarrow = -1;
1.1 nicm 461: }
462:
1.48 nicm 463: draw:
1.55 nicm 464: /* Begin drawing. */
1.175 nicm 465: screen_write_start(&ctx, NULL, &c->status.status);
1.1 nicm 466:
1.48 nicm 467: /* Draw the left string and arrow. */
468: screen_write_cursormove(&ctx, 0, 0);
1.118 nicm 469: if (llen != 0)
1.139 nicm 470: screen_write_cnputs(&ctx, llen, &lgc, "%s", left);
1.1 nicm 471: if (larrow != 0) {
472: memcpy(&gc, &stdgc, sizeof gc);
473: if (larrow == -1)
474: gc.attr ^= GRID_ATTR_REVERSE;
475: screen_write_putc(&ctx, &gc, '<');
476: }
1.48 nicm 477:
478: /* Draw the right string and arrow. */
1.1 nicm 479: if (rarrow != 0) {
1.118 nicm 480: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
1.1 nicm 481: memcpy(&gc, &stdgc, sizeof gc);
482: if (rarrow == -1)
483: gc.attr ^= GRID_ATTR_REVERSE;
484: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 485: } else
1.118 nicm 486: screen_write_cursormove(&ctx, c->tty.sx - rlen, 0);
487: if (rlen != 0)
1.139 nicm 488: screen_write_cnputs(&ctx, rlen, &rgc, "%s", right);
1.1 nicm 489:
1.48 nicm 490: /* Figure out the offset for the window list. */
1.58 nicm 491: if (llen != 0)
1.118 nicm 492: wloffset = llen;
1.58 nicm 493: else
494: wloffset = 0;
1.48 nicm 495: if (wlwidth < wlavailable) {
1.137 nicm 496: switch (options_get_number(s->options, "status-justify")) {
1.119 sthen 497: case 1: /* centred */
1.58 nicm 498: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 499: break;
500: case 2: /* right */
1.58 nicm 501: wloffset += (wlavailable - wlwidth);
1.48 nicm 502: break;
503: }
504: }
505: if (larrow != 0)
506: wloffset++;
507:
508: /* Copy the window list. */
1.178 nicm 509: c->status.window_list_offset = -wloffset + wlstart;
1.48 nicm 510: screen_write_cursormove(&ctx, wloffset, 0);
1.171 nicm 511: screen_write_fast_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 512: screen_free(&window_list);
1.179 nicm 513:
514: /* Save left and right size. */
515: c->status.left_size = llen;
516: c->status.right_size = rlen;
1.1 nicm 517:
1.48 nicm 518: screen_write_stop(&ctx);
1.1 nicm 519:
520: out:
1.94 nicm 521: free(left);
522: free(right);
1.1 nicm 523:
1.175 nicm 524: if (grid_compare(c->status.status.grid, old_status.grid) == 0) {
1.1 nicm 525: screen_free(&old_status);
526: return (0);
527: }
528: screen_free(&old_status);
529: return (1);
530: }
531:
1.46 nicm 532: /* Replace special sequences in fmt. */
1.151 nicm 533: static char *
1.123 nicm 534: status_replace(struct client *c, struct winlink *wl, const char *fmt, time_t t)
1.46 nicm 535: {
1.96 nicm 536: struct format_tree *ft;
1.129 nicm 537: char *expanded;
1.160 nicm 538: u_int tag;
1.47 nicm 539:
1.93 nicm 540: if (fmt == NULL)
541: return (xstrdup(""));
542:
1.160 nicm 543: if (wl != NULL)
544: tag = FORMAT_WINDOW|wl->window->id;
545: else
546: tag = FORMAT_NONE;
1.135 nicm 547: if (c->flags & CLIENT_STATUSFORCE)
1.164 nicm 548: ft = format_create(c, NULL, tag, FORMAT_STATUS|FORMAT_FORCE);
1.135 nicm 549: else
1.164 nicm 550: ft = format_create(c, NULL, tag, FORMAT_STATUS);
1.129 nicm 551: format_defaults(ft, c, NULL, wl, NULL);
1.1 nicm 552:
1.129 nicm 553: expanded = format_expand_time(ft, fmt, t);
1.46 nicm 554:
1.99 nicm 555: format_free(ft);
556: return (expanded);
1.1 nicm 557: }
558:
1.46 nicm 559: /* Return winlink status line entry and adjust gc as necessary. */
1.151 nicm 560: static char *
1.120 nicm 561: status_print(struct client *c, struct winlink *wl, time_t t,
562: struct grid_cell *gc)
1.1 nicm 563: {
1.137 nicm 564: struct options *oo = wl->window->options;
1.47 nicm 565: struct session *s = c->session;
566: const char *fmt;
567: char *text;
1.1 nicm 568:
1.108 nicm 569: style_apply_update(gc, oo, "window-status-style");
1.47 nicm 570: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 571: if (wl == s->curw) {
1.108 nicm 572: style_apply_update(gc, oo, "window-status-current-style");
1.47 nicm 573: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 574: }
1.108 nicm 575: if (wl == TAILQ_FIRST(&s->lastw))
576: style_apply_update(gc, oo, "window-status-last-style");
577:
578: if (wl->flags & WINLINK_BELL)
579: style_apply_update(gc, oo, "window-status-bell-style");
580: else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
581: style_apply_update(gc, oo, "window-status-activity-style");
1.1 nicm 582:
1.123 nicm 583: text = status_replace(c, wl, fmt, t);
1.1 nicm 584: return (text);
585: }
586:
1.46 nicm 587: /* Set a status line message. */
1.117 nicm 588: void
1.10 nicm 589: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 590: {
1.162 nicm 591: struct timeval tv;
592: va_list ap;
593: int delay;
1.1 nicm 594:
1.12 nicm 595: status_message_clear(c);
596:
1.175 nicm 597: if (c->status.old_status == NULL) {
598: c->status.old_status = xmalloc(sizeof *c->status.old_status);
599: memcpy(c->status.old_status, &c->status.status,
600: sizeof *c->status.old_status);
601: screen_init(&c->status.status, c->tty.sx, 1, 0);
1.167 nicm 602: }
603:
1.28 nicm 604: va_start(ap, fmt);
605: xvasprintf(&c->message_string, fmt, ap);
606: va_end(ap);
607:
1.162 nicm 608: server_client_add_message(c, "%s", c->message_string);
1.44 nicm 609:
1.137 nicm 610: delay = options_get_number(c->session->options, "display-time");
1.143 tim 611: if (delay > 0) {
612: tv.tv_sec = delay / 1000;
613: tv.tv_usec = (delay % 1000) * 1000L;
614:
615: if (event_initialized(&c->message_timer))
616: evtimer_del(&c->message_timer);
617: evtimer_set(&c->message_timer, status_message_callback, c);
618: evtimer_add(&c->message_timer, &tv);
619: }
1.1 nicm 620:
621: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 622: c->flags |= CLIENT_REDRAWSTATUS;
1.1 nicm 623: }
624:
1.46 nicm 625: /* Clear status line message. */
1.1 nicm 626: void
627: status_message_clear(struct client *c)
628: {
629: if (c->message_string == NULL)
630: return;
631:
1.94 nicm 632: free(c->message_string);
1.1 nicm 633: c->message_string = NULL;
634:
1.156 nicm 635: if (c->prompt_string == NULL)
636: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 637: c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */
1.7 nicm 638:
1.175 nicm 639: screen_reinit(&c->status.status);
1.42 nicm 640: }
641:
1.46 nicm 642: /* Clear status line message after timer expires. */
1.151 nicm 643: static void
1.141 nicm 644: status_message_callback(__unused int fd, __unused short event, void *data)
1.42 nicm 645: {
646: struct client *c = data;
647:
648: status_message_clear(c);
1.1 nicm 649: }
650:
651: /* Draw client message on status line of present else on last line. */
652: int
653: status_message_redraw(struct client *c)
654: {
655: struct screen_write_ctx ctx;
656: struct session *s = c->session;
657: struct screen old_status;
658: size_t len;
659: struct grid_cell gc;
1.170 nicm 660: u_int lines, offset;
1.1 nicm 661:
662: if (c->tty.sx == 0 || c->tty.sy == 0)
663: return (0);
1.175 nicm 664: memcpy(&old_status, &c->status.status, sizeof old_status);
1.169 nicm 665:
1.182 nicm 666: lines = status_line_size(c);
1.173 nicm 667: if (lines <= 1) {
668: lines = 1;
1.175 nicm 669: screen_init(&c->status.status, c->tty.sx, 1, 0);
1.173 nicm 670: } else
1.175 nicm 671: screen_init(&c->status.status, c->tty.sx, lines, 0);
1.1 nicm 672:
1.139 nicm 673: len = screen_write_strlen("%s", c->message_string);
1.1 nicm 674: if (len > c->tty.sx)
675: len = c->tty.sx;
676:
1.137 nicm 677: style_apply(&gc, s->options, "message-style");
1.1 nicm 678:
1.175 nicm 679: screen_write_start(&ctx, NULL, &c->status.status);
1.170 nicm 680: screen_write_cursormove(&ctx, 0, 0);
681: for (offset = 0; offset < lines * c->tty.sx; offset++)
682: screen_write_putc(&ctx, &gc, ' ');
1.169 nicm 683: screen_write_cursormove(&ctx, 0, lines - 1);
1.139 nicm 684: screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
1.1 nicm 685: screen_write_stop(&ctx);
686:
1.175 nicm 687: if (grid_compare(c->status.status.grid, old_status.grid) == 0) {
1.1 nicm 688: screen_free(&old_status);
689: return (0);
690: }
691: screen_free(&old_status);
692: return (1);
693: }
694:
1.46 nicm 695: /* Enable status line prompt. */
1.1 nicm 696: void
1.76 nicm 697: status_prompt_set(struct client *c, const char *msg, const char *input,
1.166 nicm 698: prompt_input_cb inputcb, prompt_free_cb freecb, void *data, int flags)
1.1 nicm 699: {
1.122 nicm 700: struct format_tree *ft;
701: time_t t;
1.165 nicm 702: char *tmp, *cp;
1.122 nicm 703:
1.164 nicm 704: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 705: format_defaults(ft, c, NULL, NULL, NULL);
1.168 nicm 706: t = time(NULL);
1.152 nicm 707:
1.168 nicm 708: if (input == NULL)
709: input = "";
710: if (flags & PROMPT_NOFORMAT)
711: tmp = xstrdup(input);
712: else
713: tmp = format_expand_time(ft, input, t);
1.20 nicm 714:
1.12 nicm 715: status_message_clear(c);
716: status_prompt_clear(c);
1.167 nicm 717:
1.175 nicm 718: if (c->status.old_status == NULL) {
719: c->status.old_status = xmalloc(sizeof *c->status.old_status);
720: memcpy(c->status.old_status, &c->status.status,
721: sizeof *c->status.old_status);
722: screen_init(&c->status.status, c->tty.sx, 1, 0);
1.167 nicm 723: }
1.12 nicm 724:
1.124 nicm 725: c->prompt_string = format_expand_time(ft, msg, t);
1.1 nicm 726:
1.152 nicm 727: c->prompt_buffer = utf8_fromcstr(tmp);
728: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.1 nicm 729:
1.166 nicm 730: c->prompt_inputcb = inputcb;
731: c->prompt_freecb = freecb;
1.1 nicm 732: c->prompt_data = data;
733:
734: c->prompt_hindex = 0;
735:
736: c->prompt_flags = flags;
1.155 nicm 737: c->prompt_mode = PROMPT_ENTRY;
1.1 nicm 738:
1.158 nicm 739: if (~flags & PROMPT_INCREMENTAL)
740: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 741: c->flags |= CLIENT_REDRAWSTATUS;
1.165 nicm 742:
743: if ((flags & PROMPT_INCREMENTAL) && *tmp != '\0') {
744: xasprintf(&cp, "=%s", tmp);
1.166 nicm 745: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.165 nicm 746: free(cp);
747: }
1.122 nicm 748:
1.152 nicm 749: free(tmp);
1.122 nicm 750: format_free(ft);
1.1 nicm 751: }
752:
1.46 nicm 753: /* Remove status line prompt. */
1.1 nicm 754: void
755: status_prompt_clear(struct client *c)
756: {
1.55 nicm 757: if (c->prompt_string == NULL)
1.1 nicm 758: return;
759:
1.166 nicm 760: if (c->prompt_freecb != NULL && c->prompt_data != NULL)
761: c->prompt_freecb(c->prompt_data);
1.1 nicm 762:
1.94 nicm 763: free(c->prompt_string);
1.1 nicm 764: c->prompt_string = NULL;
765:
1.94 nicm 766: free(c->prompt_buffer);
1.1 nicm 767: c->prompt_buffer = NULL;
768:
1.181 nicm 769: free(c->prompt_saved);
770: c->prompt_saved = NULL;
771:
1.1 nicm 772: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.177 nicm 773: c->flags |= CLIENT_ALLREDRAWFLAGS; /* was frozen and may have changed */
1.7 nicm 774:
1.175 nicm 775: screen_reinit(&c->status.status);
1.27 nicm 776: }
777:
1.46 nicm 778: /* Update status line prompt with a new prompt string. */
1.27 nicm 779: void
1.76 nicm 780: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 781: {
1.122 nicm 782: struct format_tree *ft;
783: time_t t;
1.152 nicm 784: char *tmp;
1.122 nicm 785:
1.164 nicm 786: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.122 nicm 787: format_defaults(ft, c, NULL, NULL, NULL);
1.152 nicm 788:
1.122 nicm 789: t = time(NULL);
1.152 nicm 790: tmp = format_expand_time(ft, input, t);
1.122 nicm 791:
1.94 nicm 792: free(c->prompt_string);
1.124 nicm 793: c->prompt_string = format_expand_time(ft, msg, t);
1.27 nicm 794:
1.94 nicm 795: free(c->prompt_buffer);
1.152 nicm 796: c->prompt_buffer = utf8_fromcstr(tmp);
797: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.27 nicm 798:
799: c->prompt_hindex = 0;
800:
1.177 nicm 801: c->flags |= CLIENT_REDRAWSTATUS;
1.122 nicm 802:
1.152 nicm 803: free(tmp);
1.122 nicm 804: format_free(ft);
1.1 nicm 805: }
806:
807: /* Draw client prompt on status line of present else on last line. */
808: int
809: status_prompt_redraw(struct client *c)
810: {
1.152 nicm 811: struct screen_write_ctx ctx;
812: struct session *s = c->session;
813: struct screen old_status;
814: u_int i, offset, left, start, pcursor, pwidth, width;
1.169 nicm 815: u_int lines;
1.152 nicm 816: struct grid_cell gc, cursorgc;
1.1 nicm 817:
818: if (c->tty.sx == 0 || c->tty.sy == 0)
819: return (0);
1.175 nicm 820: memcpy(&old_status, &c->status.status, sizeof old_status);
1.169 nicm 821:
1.182 nicm 822: lines = status_line_size(c);
1.173 nicm 823: if (lines <= 1) {
824: lines = 1;
1.175 nicm 825: screen_init(&c->status.status, c->tty.sx, 1, 0);
1.173 nicm 826: } else
1.175 nicm 827: screen_init(&c->status.status, c->tty.sx, lines, 0);
1.1 nicm 828:
1.155 nicm 829: if (c->prompt_mode == PROMPT_COMMAND)
1.137 nicm 830: style_apply(&gc, s->options, "message-command-style");
1.108 nicm 831: else
1.137 nicm 832: style_apply(&gc, s->options, "message-style");
1.1 nicm 833:
1.152 nicm 834: memcpy(&cursorgc, &gc, sizeof cursorgc);
835: cursorgc.attr ^= GRID_ATTR_REVERSE;
836:
837: start = screen_write_strlen("%s", c->prompt_string);
838: if (start > c->tty.sx)
839: start = c->tty.sx;
840:
1.175 nicm 841: screen_write_start(&ctx, NULL, &c->status.status);
1.170 nicm 842: screen_write_cursormove(&ctx, 0, 0);
843: for (offset = 0; offset < lines * c->tty.sx; offset++)
844: screen_write_putc(&ctx, &gc, ' ');
845: screen_write_cursormove(&ctx, 0, 0);
1.152 nicm 846: screen_write_nputs(&ctx, start, &gc, "%s", c->prompt_string);
1.170 nicm 847: screen_write_cursormove(&ctx, start, 0);
1.1 nicm 848:
1.152 nicm 849: left = c->tty.sx - start;
850: if (left == 0)
851: goto finished;
852:
853: pcursor = utf8_strwidth(c->prompt_buffer, c->prompt_index);
854: pwidth = utf8_strwidth(c->prompt_buffer, -1);
855: if (pcursor >= left) {
856: /*
857: * The cursor would be outside the screen so start drawing
858: * with it on the right.
859: */
860: offset = (pcursor - left) + 1;
861: pwidth = left;
862: } else
863: offset = 0;
864: if (pwidth > left)
865: pwidth = left;
866:
867: width = 0;
868: for (i = 0; c->prompt_buffer[i].size != 0; i++) {
869: if (width < offset) {
870: width += c->prompt_buffer[i].width;
871: continue;
1.1 nicm 872: }
1.152 nicm 873: if (width >= offset + pwidth)
874: break;
875: width += c->prompt_buffer[i].width;
876: if (width > offset + pwidth)
877: break;
1.1 nicm 878:
1.152 nicm 879: if (i != c->prompt_index) {
880: utf8_copy(&gc.data, &c->prompt_buffer[i]);
881: screen_write_cell(&ctx, &gc);
882: } else {
883: utf8_copy(&cursorgc.data, &c->prompt_buffer[i]);
884: screen_write_cell(&ctx, &cursorgc);
885: }
1.1 nicm 886: }
1.175 nicm 887: if (c->status.status.cx < screen_size_x(&c->status.status) &&
888: c->prompt_index >= i)
1.152 nicm 889: screen_write_putc(&ctx, &cursorgc, ' ');
1.1 nicm 890:
1.152 nicm 891: finished:
1.1 nicm 892: screen_write_stop(&ctx);
1.51 nicm 893:
1.175 nicm 894: if (grid_compare(c->status.status.grid, old_status.grid) == 0) {
1.1 nicm 895: screen_free(&old_status);
896: return (0);
897: }
898: screen_free(&old_status);
899: return (1);
900: }
901:
1.152 nicm 902: /* Is this a separator? */
903: static int
904: status_prompt_in_list(const char *ws, const struct utf8_data *ud)
905: {
906: if (ud->size != 1 || ud->width != 1)
907: return (0);
908: return (strchr(ws, *ud->data) != NULL);
909: }
910:
911: /* Is this a space? */
912: static int
913: status_prompt_space(const struct utf8_data *ud)
914: {
915: if (ud->size != 1 || ud->width != 1)
916: return (0);
917: return (*ud->data == ' ');
918: }
919:
1.155 nicm 920: /*
921: * Translate key from emacs to vi. Return 0 to drop key, 1 to process the key
922: * as an emacs key; return 2 to append to the buffer.
923: */
924: static int
925: status_prompt_translate_key(struct client *c, key_code key, key_code *new_key)
926: {
927: if (c->prompt_mode == PROMPT_ENTRY) {
928: switch (key) {
929: case '\003': /* C-c */
930: case '\010': /* C-h */
931: case '\011': /* Tab */
932: case '\025': /* C-u */
933: case '\027': /* C-w */
934: case '\n':
935: case '\r':
936: case KEYC_BSPACE:
937: case KEYC_DC:
938: case KEYC_DOWN:
939: case KEYC_END:
940: case KEYC_HOME:
941: case KEYC_LEFT:
942: case KEYC_RIGHT:
943: case KEYC_UP:
944: *new_key = key;
945: return (1);
946: case '\033': /* Escape */
947: c->prompt_mode = PROMPT_COMMAND;
1.177 nicm 948: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 949: return (0);
950: }
951: *new_key = key;
952: return (2);
953: }
954:
955: switch (key) {
956: case 'A':
957: case 'I':
958: case 'C':
959: case 's':
960: case 'a':
961: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 962: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 963: break; /* switch mode and... */
964: case 'S':
965: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 966: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 967: *new_key = '\025'; /* C-u */
968: return (1);
969: case 'i':
970: case '\033': /* Escape */
971: c->prompt_mode = PROMPT_ENTRY;
1.177 nicm 972: c->flags |= CLIENT_REDRAWSTATUS;
1.155 nicm 973: return (0);
974: }
975:
976: switch (key) {
977: case 'A':
978: case '$':
979: *new_key = KEYC_END;
980: return (1);
981: case 'I':
982: case '0':
983: case '^':
984: *new_key = KEYC_HOME;
985: return (1);
986: case 'C':
987: case 'D':
988: *new_key = '\013'; /* C-k */
989: return (1);
990: case KEYC_BSPACE:
991: case 'X':
992: *new_key = KEYC_BSPACE;
993: return (1);
994: case 'b':
995: case 'B':
996: *new_key = 'b'|KEYC_ESCAPE;
997: return (1);
998: case 'd':
999: *new_key = '\025';
1000: return (1);
1001: case 'e':
1002: case 'E':
1003: case 'w':
1004: case 'W':
1005: *new_key = 'f'|KEYC_ESCAPE;
1006: return (1);
1007: case 'p':
1008: *new_key = '\031'; /* C-y */
1009: return (1);
1010: case 's':
1011: case KEYC_DC:
1012: case 'x':
1013: *new_key = KEYC_DC;
1014: return (1);
1015: case KEYC_DOWN:
1016: case 'j':
1017: *new_key = KEYC_DOWN;
1018: return (1);
1019: case KEYC_LEFT:
1020: case 'h':
1021: *new_key = KEYC_LEFT;
1022: return (1);
1023: case 'a':
1024: case KEYC_RIGHT:
1025: case 'l':
1026: *new_key = KEYC_RIGHT;
1027: return (1);
1028: case KEYC_UP:
1029: case 'k':
1030: *new_key = KEYC_UP;
1031: return (1);
1032: case '\010' /* C-h */:
1033: case '\003' /* C-c */:
1034: case '\n':
1035: case '\r':
1036: return (1);
1037: }
1038: return (0);
1039: }
1040:
1.1 nicm 1041: /* Handle keys in prompt. */
1.154 nicm 1042: int
1.138 nicm 1043: status_prompt_key(struct client *c, key_code key)
1.1 nicm 1044: {
1.152 nicm 1045: struct options *oo = c->session->options;
1.1 nicm 1046: struct paste_buffer *pb;
1.158 nicm 1047: char *s, *cp, word[64], prefix = '=';
1.152 nicm 1048: const char *histstr, *bufdata, *ws = NULL;
1.53 nicm 1049: u_char ch;
1.152 nicm 1050: size_t size, n, off, idx, bufsize, used;
1051: struct utf8_data tmp, *first, *last, *ud;
1.155 nicm 1052: int keys;
1.1 nicm 1053:
1.152 nicm 1054: size = utf8_strlen(c->prompt_buffer);
1.154 nicm 1055:
1056: if (c->prompt_flags & PROMPT_NUMERIC) {
1057: if (key >= '0' && key <= '9')
1058: goto append_key;
1059: s = utf8_tocstr(c->prompt_buffer);
1.166 nicm 1060: c->prompt_inputcb(c, c->prompt_data, s, 1);
1.154 nicm 1061: status_prompt_clear(c);
1062: free(s);
1063: return (1);
1064: }
1.180 nicm 1065: key &= ~KEYC_XTERM;
1.154 nicm 1066:
1.155 nicm 1067: keys = options_get_number(c->session->options, "status-keys");
1068: if (keys == MODEKEY_VI) {
1069: switch (status_prompt_translate_key(c, key, &key)) {
1070: case 1:
1071: goto process_key;
1072: case 2:
1073: goto append_key;
1074: default:
1075: return (0);
1076: }
1077: }
1078:
1079: process_key:
1080: switch (key) {
1081: case KEYC_LEFT:
1082: case '\002': /* C-b */
1.1 nicm 1083: if (c->prompt_index > 0) {
1084: c->prompt_index--;
1.158 nicm 1085: break;
1.1 nicm 1086: }
1087: break;
1.155 nicm 1088: case KEYC_RIGHT:
1089: case '\006': /* C-f */
1.1 nicm 1090: if (c->prompt_index < size) {
1091: c->prompt_index++;
1.158 nicm 1092: break;
1.1 nicm 1093: }
1094: break;
1.155 nicm 1095: case KEYC_HOME:
1096: case '\001': /* C-a */
1.1 nicm 1097: if (c->prompt_index != 0) {
1098: c->prompt_index = 0;
1.158 nicm 1099: break;
1.1 nicm 1100: }
1101: break;
1.155 nicm 1102: case KEYC_END:
1103: case '\005': /* C-e */
1.1 nicm 1104: if (c->prompt_index != size) {
1105: c->prompt_index = size;
1.158 nicm 1106: break;
1.1 nicm 1107: }
1108: break;
1.155 nicm 1109: case '\011': /* Tab */
1.152 nicm 1110: if (c->prompt_buffer[0].size == 0)
1.1 nicm 1111: break;
1112:
1113: idx = c->prompt_index;
1114: if (idx != 0)
1115: idx--;
1116:
1117: /* Find the word we are in. */
1.152 nicm 1118: first = &c->prompt_buffer[idx];
1119: while (first > c->prompt_buffer && !status_prompt_space(first))
1.1 nicm 1120: first--;
1.152 nicm 1121: while (first->size != 0 && status_prompt_space(first))
1.1 nicm 1122: first++;
1.152 nicm 1123: last = &c->prompt_buffer[idx];
1124: while (last->size != 0 && !status_prompt_space(last))
1.1 nicm 1125: last++;
1.152 nicm 1126: while (last > c->prompt_buffer && status_prompt_space(last))
1.1 nicm 1127: last--;
1.152 nicm 1128: if (last->size != 0)
1.1 nicm 1129: last++;
1.152 nicm 1130: if (last <= first)
1131: break;
1132:
1133: used = 0;
1134: for (ud = first; ud < last; ud++) {
1135: if (used + ud->size >= sizeof word)
1136: break;
1137: memcpy(word + used, ud->data, ud->size);
1138: used += ud->size;
1139: }
1140: if (ud != last)
1.1 nicm 1141: break;
1.152 nicm 1142: word[used] = '\0';
1.1 nicm 1143:
1144: /* And try to complete it. */
1.152 nicm 1145: if ((s = status_prompt_complete(c->session, word)) == NULL)
1.1 nicm 1146: break;
1147:
1148: /* Trim out word. */
1149: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
1.152 nicm 1150: memmove(first, last, n * sizeof *c->prompt_buffer);
1.1 nicm 1151: size -= last - first;
1152:
1153: /* Insert the new word. */
1.55 nicm 1154: size += strlen(s);
1.1 nicm 1155: off = first - c->prompt_buffer;
1.152 nicm 1156: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 1,
1157: sizeof *c->prompt_buffer);
1.1 nicm 1158: first = c->prompt_buffer + off;
1.152 nicm 1159: memmove(first + strlen(s), first, n * sizeof *c->prompt_buffer);
1160: for (idx = 0; idx < strlen(s); idx++)
1161: utf8_set(&first[idx], s[idx]);
1.1 nicm 1162:
1163: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 1164: free(s);
1.1 nicm 1165:
1.158 nicm 1166: goto changed;
1.155 nicm 1167: case KEYC_BSPACE:
1168: case '\010': /* C-h */
1.1 nicm 1169: if (c->prompt_index != 0) {
1170: if (c->prompt_index == size)
1.152 nicm 1171: c->prompt_buffer[--c->prompt_index].size = 0;
1.1 nicm 1172: else {
1173: memmove(c->prompt_buffer + c->prompt_index - 1,
1174: c->prompt_buffer + c->prompt_index,
1.152 nicm 1175: (size + 1 - c->prompt_index) *
1176: sizeof *c->prompt_buffer);
1.1 nicm 1177: c->prompt_index--;
1178: }
1.158 nicm 1179: goto changed;
1.1 nicm 1180: }
1181: break;
1.155 nicm 1182: case KEYC_DC:
1183: case '\004': /* C-d */
1.1 nicm 1184: if (c->prompt_index != size) {
1185: memmove(c->prompt_buffer + c->prompt_index,
1186: c->prompt_buffer + c->prompt_index + 1,
1.152 nicm 1187: (size + 1 - c->prompt_index) *
1188: sizeof *c->prompt_buffer);
1.158 nicm 1189: goto changed;
1.18 nicm 1190: }
1.26 nicm 1191: break;
1.155 nicm 1192: case '\025': /* C-u */
1.152 nicm 1193: c->prompt_buffer[0].size = 0;
1.26 nicm 1194: c->prompt_index = 0;
1.158 nicm 1195: goto changed;
1.155 nicm 1196: case '\013': /* C-k */
1.18 nicm 1197: if (c->prompt_index < size) {
1.152 nicm 1198: c->prompt_buffer[c->prompt_index].size = 0;
1.158 nicm 1199: goto changed;
1.1 nicm 1200: }
1201: break;
1.155 nicm 1202: case '\027': /* C-w */
1.152 nicm 1203: ws = options_get_string(oo, "word-separators");
1.81 nicm 1204: idx = c->prompt_index;
1205:
1206: /* Find a non-separator. */
1207: while (idx != 0) {
1208: idx--;
1.152 nicm 1209: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1210: break;
1211: }
1212:
1213: /* Find the separator at the beginning of the word. */
1214: while (idx != 0) {
1215: idx--;
1.152 nicm 1216: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1217: /* Go back to the word. */
1218: idx++;
1219: break;
1220: }
1221: }
1222:
1.181 nicm 1223: free(c->prompt_saved);
1224: c->prompt_saved = xcalloc(sizeof *c->prompt_buffer,
1225: (c->prompt_index - idx) + 1);
1226: memcpy(c->prompt_saved, c->prompt_buffer + idx,
1227: (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1228:
1.81 nicm 1229: memmove(c->prompt_buffer + idx,
1230: c->prompt_buffer + c->prompt_index,
1.152 nicm 1231: (size + 1 - c->prompt_index) *
1232: sizeof *c->prompt_buffer);
1.81 nicm 1233: memset(c->prompt_buffer + size - (c->prompt_index - idx),
1.152 nicm 1234: '\0', (c->prompt_index - idx) * sizeof *c->prompt_buffer);
1.81 nicm 1235: c->prompt_index = idx;
1.152 nicm 1236:
1.158 nicm 1237: goto changed;
1.155 nicm 1238: case 'f'|KEYC_ESCAPE:
1.180 nicm 1239: case KEYC_RIGHT|KEYC_CTRL:
1.155 nicm 1240: ws = options_get_string(oo, "word-separators");
1.81 nicm 1241:
1242: /* Find a word. */
1243: while (c->prompt_index != size) {
1.152 nicm 1244: idx = ++c->prompt_index;
1245: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1246: break;
1247: }
1248:
1249: /* Find the separator at the end of the word. */
1250: while (c->prompt_index != size) {
1.152 nicm 1251: idx = ++c->prompt_index;
1252: if (status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1253: break;
1254: }
1.106 nicm 1255:
1256: /* Back up to the end-of-word like vi. */
1257: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1258: c->prompt_index != 0)
1259: c->prompt_index--;
1.81 nicm 1260:
1.158 nicm 1261: goto changed;
1.155 nicm 1262: case 'b'|KEYC_ESCAPE:
1.180 nicm 1263: case KEYC_LEFT|KEYC_CTRL:
1.155 nicm 1264: ws = options_get_string(oo, "word-separators");
1.81 nicm 1265:
1266: /* Find a non-separator. */
1267: while (c->prompt_index != 0) {
1.152 nicm 1268: idx = --c->prompt_index;
1269: if (!status_prompt_in_list(ws, &c->prompt_buffer[idx]))
1.81 nicm 1270: break;
1271: }
1272:
1273: /* Find the separator at the beginning of the word. */
1274: while (c->prompt_index != 0) {
1.152 nicm 1275: idx = --c->prompt_index;
1276: if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) {
1.81 nicm 1277: /* Go back to the word. */
1278: c->prompt_index++;
1279: break;
1280: }
1281: }
1.158 nicm 1282: goto changed;
1.155 nicm 1283: case KEYC_UP:
1284: case '\020': /* C-p */
1.66 nicm 1285: histstr = status_prompt_up_history(&c->prompt_hindex);
1286: if (histstr == NULL)
1.1 nicm 1287: break;
1.94 nicm 1288: free(c->prompt_buffer);
1.152 nicm 1289: c->prompt_buffer = utf8_fromcstr(histstr);
1290: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1291: goto changed;
1.155 nicm 1292: case KEYC_DOWN:
1293: case '\016': /* C-n */
1.66 nicm 1294: histstr = status_prompt_down_history(&c->prompt_hindex);
1295: if (histstr == NULL)
1.65 nicm 1296: break;
1.94 nicm 1297: free(c->prompt_buffer);
1.152 nicm 1298: c->prompt_buffer = utf8_fromcstr(histstr);
1299: c->prompt_index = utf8_strlen(c->prompt_buffer);
1.158 nicm 1300: goto changed;
1.155 nicm 1301: case '\031': /* C-y */
1.181 nicm 1302: if (c->prompt_saved != NULL) {
1303: ud = c->prompt_saved;
1304: n = utf8_strlen(c->prompt_saved);
1305: } else {
1306: if ((pb = paste_get_top(NULL)) == NULL)
1.32 nicm 1307: break;
1.181 nicm 1308: bufdata = paste_buffer_data(pb, &bufsize);
1309: for (n = 0; n < bufsize; n++) {
1310: ch = (u_char)bufdata[n];
1311: if (ch < 32 || ch >= 127)
1312: break;
1313: }
1314: ud = xreallocarray(NULL, n, sizeof *ud);
1315: for (idx = 0; idx < n; idx++)
1316: utf8_set(&ud[idx], bufdata[idx]);
1.32 nicm 1317: }
1.1 nicm 1318:
1.152 nicm 1319: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + n + 1,
1320: sizeof *c->prompt_buffer);
1.1 nicm 1321: if (c->prompt_index == size) {
1.181 nicm 1322: memcpy(c->prompt_buffer + c->prompt_index, ud,
1323: n * sizeof *c->prompt_buffer);
1.1 nicm 1324: c->prompt_index += n;
1.152 nicm 1325: c->prompt_buffer[c->prompt_index].size = 0;
1.1 nicm 1326: } else {
1327: memmove(c->prompt_buffer + c->prompt_index + n,
1328: c->prompt_buffer + c->prompt_index,
1.152 nicm 1329: (size + 1 - c->prompt_index) *
1330: sizeof *c->prompt_buffer);
1.181 nicm 1331: memcpy(c->prompt_buffer + c->prompt_index, ud,
1332: n * sizeof *c->prompt_buffer);
1.1 nicm 1333: c->prompt_index += n;
1334: }
1.181 nicm 1335:
1336: if (ud != c->prompt_saved)
1337: free(ud);
1.158 nicm 1338: goto changed;
1.155 nicm 1339: case '\024': /* C-t */
1.30 nicm 1340: idx = c->prompt_index;
1341: if (idx < size)
1342: idx++;
1343: if (idx >= 2) {
1.152 nicm 1344: utf8_copy(&tmp, &c->prompt_buffer[idx - 2]);
1345: utf8_copy(&c->prompt_buffer[idx - 2],
1346: &c->prompt_buffer[idx - 1]);
1347: utf8_copy(&c->prompt_buffer[idx - 1], &tmp);
1.30 nicm 1348: c->prompt_index = idx;
1.158 nicm 1349: goto changed;
1.30 nicm 1350: }
1.1 nicm 1351: break;
1.155 nicm 1352: case '\r':
1353: case '\n':
1.152 nicm 1354: s = utf8_tocstr(c->prompt_buffer);
1355: if (*s != '\0')
1356: status_prompt_add_history(s);
1.166 nicm 1357: if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.25 nicm 1358: status_prompt_clear(c);
1.152 nicm 1359: free(s);
1.25 nicm 1360: break;
1.155 nicm 1361: case '\033': /* Escape */
1362: case '\003': /* C-c */
1.174 nicm 1363: case '\007': /* C-g */
1.166 nicm 1364: if (c->prompt_inputcb(c, c->prompt_data, NULL, 1) == 0)
1.1 nicm 1365: status_prompt_clear(c);
1366: break;
1.158 nicm 1367: case '\022': /* C-r */
1368: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1369: prefix = '-';
1370: goto changed;
1371: }
1372: break;
1373: case '\023': /* C-s */
1374: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1375: prefix = '+';
1376: goto changed;
1377: }
1378: break;
1379: default:
1380: goto append_key;
1.154 nicm 1381: }
1.152 nicm 1382:
1.177 nicm 1383: c->flags |= CLIENT_REDRAWSTATUS;
1.158 nicm 1384: return (0);
1385:
1.154 nicm 1386: append_key:
1387: if (key <= 0x1f || key >= KEYC_BASE)
1388: return (0);
1389: if (utf8_split(key, &tmp) != UTF8_DONE)
1390: return (0);
1.1 nicm 1391:
1.154 nicm 1392: c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 2,
1393: sizeof *c->prompt_buffer);
1.1 nicm 1394:
1.154 nicm 1395: if (c->prompt_index == size) {
1396: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1397: c->prompt_index++;
1398: c->prompt_buffer[c->prompt_index].size = 0;
1399: } else {
1400: memmove(c->prompt_buffer + c->prompt_index + 1,
1401: c->prompt_buffer + c->prompt_index,
1402: (size + 1 - c->prompt_index) *
1403: sizeof *c->prompt_buffer);
1404: utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp);
1405: c->prompt_index++;
1406: }
1.1 nicm 1407:
1.154 nicm 1408: if (c->prompt_flags & PROMPT_SINGLE) {
1409: s = utf8_tocstr(c->prompt_buffer);
1410: if (strlen(s) != 1)
1411: status_prompt_clear(c);
1.166 nicm 1412: else if (c->prompt_inputcb(c, c->prompt_data, s, 1) == 0)
1.154 nicm 1413: status_prompt_clear(c);
1414: free(s);
1.1 nicm 1415: }
1.154 nicm 1416:
1.158 nicm 1417: changed:
1.177 nicm 1418: c->flags |= CLIENT_REDRAWSTATUS;
1.158 nicm 1419: if (c->prompt_flags & PROMPT_INCREMENTAL) {
1420: s = utf8_tocstr(c->prompt_buffer);
1421: xasprintf(&cp, "%c%s", prefix, s);
1.166 nicm 1422: c->prompt_inputcb(c, c->prompt_data, cp, 0);
1.158 nicm 1423: free(cp);
1424: free(s);
1425: }
1.154 nicm 1426: return (0);
1.1 nicm 1427: }
1428:
1.65 nicm 1429: /* Get previous line from the history. */
1.151 nicm 1430: static const char *
1.65 nicm 1431: status_prompt_up_history(u_int *idx)
1432: {
1433: /*
1.128 nicm 1434: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1435: * empty.
1.65 nicm 1436: */
1437:
1.128 nicm 1438: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1439: return (NULL);
1440: (*idx)++;
1.128 nicm 1441: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1442: }
1443:
1444: /* Get next line from the history. */
1.151 nicm 1445: static const char *
1.65 nicm 1446: status_prompt_down_history(u_int *idx)
1447: {
1.128 nicm 1448: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1449: return ("");
1450: (*idx)--;
1451: if (*idx == 0)
1452: return ("");
1.128 nicm 1453: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1454: }
1455:
1.1 nicm 1456: /* Add line to the history. */
1.151 nicm 1457: static void
1.65 nicm 1458: status_prompt_add_history(const char *line)
1.1 nicm 1459: {
1.128 nicm 1460: size_t size;
1.65 nicm 1461:
1.128 nicm 1462: if (status_prompt_hsize > 0 &&
1463: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1464: return;
1465:
1.128 nicm 1466: if (status_prompt_hsize == PROMPT_HISTORY) {
1467: free(status_prompt_hlist[0]);
1.1 nicm 1468:
1.128 nicm 1469: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1470: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1471:
1.128 nicm 1472: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1473: return;
1474: }
1.1 nicm 1475:
1.128 nicm 1476: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1477: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1478: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1479: }
1480:
1481: /* Build completion list. */
1.183 ! nicm 1482: char **
1.128 nicm 1483: status_prompt_complete_list(u_int *size, const char *s)
1484: {
1.183 ! nicm 1485: char **list = NULL;
! 1486: const char **layout, *value, *cp;
1.128 nicm 1487: const struct cmd_entry **cmdent;
1488: const struct options_table_entry *oe;
1.183 ! nicm 1489: u_int items, idx;
! 1490: size_t slen = strlen(s), valuelen;
! 1491: struct options_entry *o;
1.128 nicm 1492: const char *layouts[] = {
1493: "even-horizontal", "even-vertical", "main-horizontal",
1494: "main-vertical", "tiled", NULL
1495: };
1.1 nicm 1496:
1.128 nicm 1497: *size = 0;
1.1 nicm 1498: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.183 ! nicm 1499: if (strncmp((*cmdent)->name, s, slen) == 0) {
1.128 nicm 1500: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 ! nicm 1501: list[(*size)++] = xstrdup((*cmdent)->name);
1.128 nicm 1502: }
1.56 nicm 1503: }
1.142 nicm 1504: for (oe = options_table; oe->name != NULL; oe++) {
1.183 ! nicm 1505: if (strncmp(oe->name, s, slen) == 0) {
1.128 nicm 1506: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 ! nicm 1507: list[(*size)++] = xstrdup(oe->name);
1.128 nicm 1508: }
1509: }
1510: for (layout = layouts; *layout != NULL; layout++) {
1.183 ! nicm 1511: if (strncmp(*layout, s, slen) == 0) {
1.128 nicm 1512: list = xreallocarray(list, (*size) + 1, sizeof *list);
1.183 ! nicm 1513: list[(*size)++] = xstrdup(*layout);
1.128 nicm 1514: }
1515: }
1.183 ! nicm 1516: o = options_get_only(global_options, "command-alias");
! 1517: if (o != NULL && options_array_size(o, &items) != -1) {
! 1518: for (idx = 0; idx < items; idx++) {
! 1519: value = options_array_get(o, idx);
! 1520: if (value == NULL || (cp = strchr(value, '=')) == NULL)
! 1521: continue;
! 1522: valuelen = cp - value;
! 1523: if (slen > valuelen || strncmp(value, s, slen) != 0)
! 1524: continue;
! 1525: list = xreallocarray(list, (*size) + 1, sizeof *list);
! 1526: list[(*size)++] = xstrndup(value, valuelen);
! 1527: }
! 1528: }
! 1529: for (idx = 0; idx < (*size); idx++)
! 1530: log_debug("complete %u: %s", idx, list[idx]);
1.128 nicm 1531: return (list);
1532: }
1533:
1534: /* Find longest prefix. */
1.151 nicm 1535: static char *
1.183 ! nicm 1536: status_prompt_complete_prefix(char **list, u_int size)
1.128 nicm 1537: {
1538: char *out;
1539: u_int i;
1540: size_t j;
1541:
1542: out = xstrdup(list[0]);
1543: for (i = 1; i < size; i++) {
1544: j = strlen(list[i]);
1545: if (j > strlen(out))
1546: j = strlen(out);
1547: for (; j > 0; j--) {
1548: if (out[j - 1] != list[i][j - 1])
1549: out[j - 1] = '\0';
1550: }
1.1 nicm 1551: }
1.128 nicm 1552: return (out);
1553: }
1.1 nicm 1554:
1.128 nicm 1555: /* Complete word. */
1.151 nicm 1556: static char *
1.152 nicm 1557: status_prompt_complete(struct session *session, const char *s)
1.128 nicm 1558: {
1.183 ! nicm 1559: char **list = NULL;
! 1560: const char *colon;
1.128 nicm 1561: u_int size = 0, i;
1562: struct session *s_loop;
1563: struct winlink *wl;
1564: struct window *w;
1565: char *copy, *out, *tmp;
1566:
1567: if (*s == '\0')
1.1 nicm 1568: return (NULL);
1.128 nicm 1569: out = NULL;
1570:
1571: if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
1572: list = status_prompt_complete_list(&size, s);
1573: if (size == 0)
1574: out = NULL;
1575: else if (size == 1)
1576: xasprintf(&out, "%s ", list[0]);
1577: else
1578: out = status_prompt_complete_prefix(list, size);
1.183 ! nicm 1579: for (i = 0; i < size; i++)
! 1580: free(list[i]);
1.128 nicm 1581: free(list);
1582: return (out);
1583: }
1584: copy = xstrdup(s);
1585:
1586: colon = ":";
1587: if (copy[strlen(copy) - 1] == ':')
1588: copy[strlen(copy) - 1] = '\0';
1589: else
1590: colon = "";
1591: s = copy + 2;
1.1 nicm 1592:
1.128 nicm 1593: RB_FOREACH(s_loop, sessions, &sessions) {
1594: if (strncmp(s_loop->name, s, strlen(s)) == 0) {
1595: list = xreallocarray(list, size + 2, sizeof *list);
1596: list[size++] = s_loop->name;
1597: }
1598: }
1599: if (size == 1) {
1600: out = xstrdup(list[0]);
1601: if (session_find(list[0]) != NULL)
1602: colon = ":";
1603: } else if (size != 0)
1604: out = status_prompt_complete_prefix(list, size);
1605: if (out != NULL) {
1606: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1.163 nicm 1607: free(out);
1.128 nicm 1608: out = tmp;
1609: goto found;
1610: }
1611:
1612: colon = "";
1613: if (*s == ':') {
1.152 nicm 1614: RB_FOREACH(wl, winlinks, &session->windows) {
1.128 nicm 1615: xasprintf(&tmp, ":%s", wl->window->name);
1616: if (strncmp(tmp, s, strlen(s)) == 0){
1617: list = xreallocarray(list, size + 1,
1618: sizeof *list);
1619: list[size++] = tmp;
1620: continue;
1621: }
1622: free(tmp);
1.1 nicm 1623:
1.128 nicm 1624: xasprintf(&tmp, ":%d", wl->idx);
1625: if (strncmp(tmp, s, strlen(s)) == 0) {
1626: list = xreallocarray(list, size + 1,
1627: sizeof *list);
1628: list[size++] = tmp;
1629: continue;
1630: }
1631: free(tmp);
1632: }
1633: } else {
1634: RB_FOREACH(s_loop, sessions, &sessions) {
1635: RB_FOREACH(wl, winlinks, &s_loop->windows) {
1636: w = wl->window;
1637:
1638: xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
1639: if (strncmp(tmp, s, strlen(s)) == 0) {
1640: list = xreallocarray(list, size + 1,
1641: sizeof *list);
1642: list[size++] = tmp;
1643: continue;
1644: }
1645: free(tmp);
1646:
1647: xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
1648: if (strncmp(tmp, s, strlen(s)) == 0) {
1649: list = xreallocarray(list, size + 1,
1650: sizeof *list);
1651: list[size++] = tmp;
1652: continue;
1653: }
1654: free(tmp);
1655: }
1.1 nicm 1656: }
1657: }
1.128 nicm 1658: if (size == 1) {
1659: out = xstrdup(list[0]);
1660: colon = " ";
1661: } else if (size != 0)
1662: out = status_prompt_complete_prefix(list, size);
1663: if (out != NULL) {
1664: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1665: out = tmp;
1666: }
1667:
1668: for (i = 0; i < size; i++)
1669: free((void *)list[i]);
1670:
1671: found:
1672: free(copy);
1673: free(list);
1674: return (out);
1.1 nicm 1675: }
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