1 /* $OpenBSD: status.c,v 1.162 2017/02/09 12:09:33 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com> 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 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 48 static const char **status_prompt_complete_list(u_int *, const char *); 49 static char *status_prompt_complete_prefix(const char **, u_int); 50 static char *status_prompt_complete(struct session *, const char *); 51 52 /* Status prompt history. */ 53 #define PROMPT_HISTORY 100 54 static char **status_prompt_hlist; 55 static u_int status_prompt_hsize; 56 57 /* Find the history file to load/save from/to. */ 58 static char * 59 status_prompt_find_history_file(void) 60 { 61 const char *home, *history_file; 62 char *path; 63 64 history_file = options_get_string(global_options, "history-file"); 65 if (*history_file == '\0') 66 return (NULL); 67 if (*history_file == '/') 68 return (xstrdup(history_file)); 69 70 if (history_file[0] != '~' || history_file[1] != '/') 71 return (NULL); 72 if ((home = find_home()) == NULL) 73 return (NULL); 74 xasprintf(&path, "%s%s", home, history_file + 1); 75 return (path); 76 } 77 78 /* Load status prompt history from file. */ 79 void 80 status_prompt_load_history(void) 81 { 82 FILE *f; 83 char *history_file, *line, *tmp; 84 size_t length; 85 86 if ((history_file = status_prompt_find_history_file()) == NULL) 87 return; 88 log_debug("loading history from %s", history_file); 89 90 f = fopen(history_file, "r"); 91 if (f == NULL) { 92 log_debug("%s: %s", history_file, strerror(errno)); 93 free(history_file); 94 return; 95 } 96 free(history_file); 97 98 for (;;) { 99 if ((line = fgetln(f, &length)) == NULL) 100 break; 101 102 if (length > 0) { 103 if (line[length - 1] == '\n') { 104 line[length - 1] = '\0'; 105 status_prompt_add_history(line); 106 } else { 107 tmp = xmalloc(length + 1); 108 memcpy(tmp, line, length); 109 tmp[length] = '\0'; 110 status_prompt_add_history(tmp); 111 free(tmp); 112 } 113 } 114 } 115 fclose(f); 116 } 117 118 /* Save status prompt history to file. */ 119 void 120 status_prompt_save_history(void) 121 { 122 FILE *f; 123 u_int i; 124 char *history_file; 125 126 if ((history_file = status_prompt_find_history_file()) == NULL) 127 return; 128 log_debug("saving history to %s", history_file); 129 130 f = fopen(history_file, "w"); 131 if (f == NULL) { 132 log_debug("%s: %s", history_file, strerror(errno)); 133 free(history_file); 134 return; 135 } 136 free(history_file); 137 138 for (i = 0; i < status_prompt_hsize; i++) { 139 fputs(status_prompt_hlist[i], f); 140 fputc('\n', f); 141 } 142 fclose(f); 143 144 } 145 146 /* Status timer callback. */ 147 static void 148 status_timer_callback(__unused int fd, __unused short events, void *arg) 149 { 150 struct client *c = arg; 151 struct session *s = c->session; 152 struct timeval tv; 153 154 evtimer_del(&c->status_timer); 155 156 if (s == NULL) 157 return; 158 159 if (c->message_string == NULL && c->prompt_string == NULL) 160 c->flags |= CLIENT_STATUS; 161 162 timerclear(&tv); 163 tv.tv_sec = options_get_number(s->options, "status-interval"); 164 165 if (tv.tv_sec != 0) 166 evtimer_add(&c->status_timer, &tv); 167 log_debug("client %p, status interval %d", c, (int)tv.tv_sec); 168 } 169 170 /* Start status timer for client. */ 171 void 172 status_timer_start(struct client *c) 173 { 174 struct session *s = c->session; 175 176 if (event_initialized(&c->status_timer)) 177 evtimer_del(&c->status_timer); 178 else 179 evtimer_set(&c->status_timer, status_timer_callback, c); 180 181 if (s != NULL && options_get_number(s->options, "status")) 182 status_timer_callback(-1, 0, c); 183 } 184 185 /* Start status timer for all clients. */ 186 void 187 status_timer_start_all(void) 188 { 189 struct client *c; 190 191 TAILQ_FOREACH(c, &clients, entry) 192 status_timer_start(c); 193 } 194 195 /* 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 } 206 207 /* 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; 212 213 if (s->statusat != 1) 214 return (s->statusat); 215 return (c->tty.sy - 1); 216 } 217 218 /* Retrieve options for left string. */ 219 static char * 220 status_redraw_get_left(struct client *c, time_t t, struct grid_cell *gc, 221 size_t *size) 222 { 223 struct session *s = c->session; 224 const char *template; 225 char *left; 226 size_t leftlen; 227 228 style_apply_update(gc, s->options, "status-left-style"); 229 230 template = options_get_string(s->options, "status-left"); 231 left = status_replace(c, NULL, template, t); 232 233 *size = options_get_number(s->options, "status-left-length"); 234 leftlen = screen_write_cstrlen("%s", left); 235 if (leftlen < *size) 236 *size = leftlen; 237 return (left); 238 } 239 240 /* Retrieve options for right string. */ 241 static char * 242 status_redraw_get_right(struct client *c, time_t t, struct grid_cell *gc, 243 size_t *size) 244 { 245 struct session *s = c->session; 246 const char *template; 247 char *right; 248 size_t rightlen; 249 250 style_apply_update(gc, s->options, "status-right-style"); 251 252 template = options_get_string(s->options, "status-right"); 253 right = status_replace(c, NULL, template, t); 254 255 *size = options_get_number(s->options, "status-right-length"); 256 rightlen = screen_write_cstrlen("%s", right); 257 if (rightlen < *size) 258 *size = rightlen; 259 return (right); 260 } 261 262 /* Get window at window list position. */ 263 struct window * 264 status_get_window_at(struct client *c, u_int x) 265 { 266 struct session *s = c->session; 267 struct winlink *wl; 268 struct options *oo; 269 const char *sep; 270 size_t seplen; 271 272 x += c->wlmouse; 273 RB_FOREACH(wl, winlinks, &s->windows) { 274 oo = wl->window->options; 275 276 sep = options_get_string(oo, "window-status-separator"); 277 seplen = screen_write_cstrlen("%s", sep); 278 279 if (x < wl->status_width) 280 return (wl->window); 281 x -= wl->status_width + seplen; 282 } 283 return (NULL); 284 } 285 286 /* Draw status for client on the last lines of given context. */ 287 int 288 status_redraw(struct client *c) 289 { 290 struct screen_write_ctx ctx; 291 struct session *s = c->session; 292 struct winlink *wl; 293 struct screen old_status, window_list; 294 struct grid_cell stdgc, lgc, rgc, gc; 295 struct options *oo; 296 time_t t; 297 char *left, *right; 298 const char *sep; 299 u_int offset, needed; 300 u_int wlstart, wlwidth, wlavailable, wloffset, wlsize; 301 size_t llen, rlen, seplen; 302 int larrow, rarrow; 303 304 /* No status line? */ 305 if (c->tty.sy == 0 || !options_get_number(s->options, "status")) 306 return (1); 307 left = right = NULL; 308 larrow = rarrow = 0; 309 310 /* Store current time. */ 311 t = time(NULL); 312 313 /* Set up default colour. */ 314 style_apply(&stdgc, s->options, "status-style"); 315 316 /* Create the target screen. */ 317 memcpy(&old_status, &c->status, sizeof old_status); 318 screen_init(&c->status, c->tty.sx, 1, 0); 319 screen_write_start(&ctx, NULL, &c->status); 320 for (offset = 0; offset < c->tty.sx; offset++) 321 screen_write_putc(&ctx, &stdgc, ' '); 322 screen_write_stop(&ctx); 323 324 /* If the height is one line, blank status line. */ 325 if (c->tty.sy <= 1) 326 goto out; 327 328 /* Work out left and right strings. */ 329 memcpy(&lgc, &stdgc, sizeof lgc); 330 left = status_redraw_get_left(c, t, &lgc, &llen); 331 memcpy(&rgc, &stdgc, sizeof rgc); 332 right = status_redraw_get_right(c, t, &rgc, &rlen); 333 334 /* 335 * Figure out how much space we have for the window list. If there 336 * isn't enough space, just show a blank status line. 337 */ 338 needed = 0; 339 if (llen != 0) 340 needed += llen; 341 if (rlen != 0) 342 needed += rlen; 343 if (c->tty.sx == 0 || c->tty.sx <= needed) 344 goto out; 345 wlavailable = c->tty.sx - needed; 346 347 /* Calculate the total size needed for the window list. */ 348 wlstart = wloffset = wlwidth = 0; 349 RB_FOREACH(wl, winlinks, &s->windows) { 350 free(wl->status_text); 351 memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell); 352 wl->status_text = status_print(c, wl, t, &wl->status_cell); 353 wl->status_width = screen_write_cstrlen("%s", wl->status_text); 354 355 if (wl == s->curw) 356 wloffset = wlwidth; 357 358 oo = wl->window->options; 359 sep = options_get_string(oo, "window-status-separator"); 360 seplen = screen_write_cstrlen("%s", sep); 361 wlwidth += wl->status_width + seplen; 362 } 363 364 /* Create a new screen for the window list. */ 365 screen_init(&window_list, wlwidth, 1, 0); 366 367 /* And draw the window list into it. */ 368 screen_write_start(&ctx, NULL, &window_list); 369 RB_FOREACH(wl, winlinks, &s->windows) { 370 screen_write_cnputs(&ctx, -1, &wl->status_cell, "%s", 371 wl->status_text); 372 373 oo = wl->window->options; 374 sep = options_get_string(oo, "window-status-separator"); 375 screen_write_cnputs(&ctx, -1, &stdgc, "%s", sep); 376 } 377 screen_write_stop(&ctx); 378 379 /* If there is enough space for the total width, skip to draw now. */ 380 if (wlwidth <= wlavailable) 381 goto draw; 382 383 /* Find size of current window text. */ 384 wlsize = s->curw->status_width; 385 386 /* 387 * If the current window is already on screen, good to draw from the 388 * start and just leave off the end. 389 */ 390 if (wloffset + wlsize < wlavailable) { 391 if (wlavailable > 0) { 392 rarrow = 1; 393 wlavailable--; 394 } 395 wlwidth = wlavailable; 396 } else { 397 /* 398 * Work out how many characters we need to omit from the 399 * start. There are wlavailable characters to fill, and 400 * wloffset + wlsize must be the last. So, the start character 401 * is wloffset + wlsize - wlavailable. 402 */ 403 if (wlavailable > 0) { 404 larrow = 1; 405 wlavailable--; 406 } 407 408 wlstart = wloffset + wlsize - wlavailable; 409 if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) { 410 rarrow = 1; 411 wlstart++; 412 wlavailable--; 413 } 414 wlwidth = wlavailable; 415 } 416 417 /* Bail if anything is now too small too. */ 418 if (wlwidth == 0 || wlavailable == 0) { 419 screen_free(&window_list); 420 goto out; 421 } 422 423 /* 424 * Now the start position is known, work out the state of the left and 425 * right arrows. 426 */ 427 offset = 0; 428 RB_FOREACH(wl, winlinks, &s->windows) { 429 if (wl->flags & WINLINK_ALERTFLAGS && 430 larrow == 1 && offset < wlstart) 431 larrow = -1; 432 433 offset += wl->status_width; 434 435 if (wl->flags & WINLINK_ALERTFLAGS && 436 rarrow == 1 && offset > wlstart + wlwidth) 437 rarrow = -1; 438 } 439 440 draw: 441 /* Begin drawing. */ 442 screen_write_start(&ctx, NULL, &c->status); 443 444 /* Draw the left string and arrow. */ 445 screen_write_cursormove(&ctx, 0, 0); 446 if (llen != 0) 447 screen_write_cnputs(&ctx, llen, &lgc, "%s", left); 448 if (larrow != 0) { 449 memcpy(&gc, &stdgc, sizeof gc); 450 if (larrow == -1) 451 gc.attr ^= GRID_ATTR_REVERSE; 452 screen_write_putc(&ctx, &gc, '<'); 453 } 454 455 /* Draw the right string and arrow. */ 456 if (rarrow != 0) { 457 screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0); 458 memcpy(&gc, &stdgc, sizeof gc); 459 if (rarrow == -1) 460 gc.attr ^= GRID_ATTR_REVERSE; 461 screen_write_putc(&ctx, &gc, '>'); 462 } else 463 screen_write_cursormove(&ctx, c->tty.sx - rlen, 0); 464 if (rlen != 0) 465 screen_write_cnputs(&ctx, rlen, &rgc, "%s", right); 466 467 /* Figure out the offset for the window list. */ 468 if (llen != 0) 469 wloffset = llen; 470 else 471 wloffset = 0; 472 if (wlwidth < wlavailable) { 473 switch (options_get_number(s->options, "status-justify")) { 474 case 1: /* centred */ 475 wloffset += (wlavailable - wlwidth) / 2; 476 break; 477 case 2: /* right */ 478 wloffset += (wlavailable - wlwidth); 479 break; 480 } 481 } 482 if (larrow != 0) 483 wloffset++; 484 485 /* Copy the window list. */ 486 c->wlmouse = -wloffset + wlstart; 487 screen_write_cursormove(&ctx, wloffset, 0); 488 screen_write_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1, NULL, 489 NULL); 490 screen_free(&window_list); 491 492 screen_write_stop(&ctx); 493 494 out: 495 free(left); 496 free(right); 497 498 if (grid_compare(c->status.grid, old_status.grid) == 0) { 499 screen_free(&old_status); 500 return (0); 501 } 502 screen_free(&old_status); 503 return (1); 504 } 505 506 /* Replace special sequences in fmt. */ 507 static char * 508 status_replace(struct client *c, struct winlink *wl, const char *fmt, time_t t) 509 { 510 struct format_tree *ft; 511 char *expanded; 512 u_int tag; 513 514 if (fmt == NULL) 515 return (xstrdup("")); 516 517 if (wl != NULL) 518 tag = FORMAT_WINDOW|wl->window->id; 519 else 520 tag = FORMAT_NONE; 521 if (c->flags & CLIENT_STATUSFORCE) 522 ft = format_create(NULL, tag, FORMAT_STATUS|FORMAT_FORCE); 523 else 524 ft = format_create(NULL, tag, FORMAT_STATUS); 525 format_defaults(ft, c, NULL, wl, NULL); 526 527 expanded = format_expand_time(ft, fmt, t); 528 529 format_free(ft); 530 return (expanded); 531 } 532 533 /* Return winlink status line entry and adjust gc as necessary. */ 534 static char * 535 status_print(struct client *c, struct winlink *wl, time_t t, 536 struct grid_cell *gc) 537 { 538 struct options *oo = wl->window->options; 539 struct session *s = c->session; 540 const char *fmt; 541 char *text; 542 543 style_apply_update(gc, oo, "window-status-style"); 544 fmt = options_get_string(oo, "window-status-format"); 545 if (wl == s->curw) { 546 style_apply_update(gc, oo, "window-status-current-style"); 547 fmt = options_get_string(oo, "window-status-current-format"); 548 } 549 if (wl == TAILQ_FIRST(&s->lastw)) 550 style_apply_update(gc, oo, "window-status-last-style"); 551 552 if (wl->flags & WINLINK_BELL) 553 style_apply_update(gc, oo, "window-status-bell-style"); 554 else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE)) 555 style_apply_update(gc, oo, "window-status-activity-style"); 556 557 text = status_replace(c, wl, fmt, t); 558 return (text); 559 } 560 561 /* Set a status line message. */ 562 void 563 status_message_set(struct client *c, const char *fmt, ...) 564 { 565 struct timeval tv; 566 va_list ap; 567 int delay; 568 569 status_message_clear(c); 570 571 va_start(ap, fmt); 572 xvasprintf(&c->message_string, fmt, ap); 573 va_end(ap); 574 575 server_client_add_message(c, "%s", c->message_string); 576 577 delay = options_get_number(c->session->options, "display-time"); 578 if (delay > 0) { 579 tv.tv_sec = delay / 1000; 580 tv.tv_usec = (delay % 1000) * 1000L; 581 582 if (event_initialized(&c->message_timer)) 583 evtimer_del(&c->message_timer); 584 evtimer_set(&c->message_timer, status_message_callback, c); 585 evtimer_add(&c->message_timer, &tv); 586 } 587 588 c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE); 589 c->flags |= CLIENT_STATUS; 590 } 591 592 /* Clear status line message. */ 593 void 594 status_message_clear(struct client *c) 595 { 596 if (c->message_string == NULL) 597 return; 598 599 free(c->message_string); 600 c->message_string = NULL; 601 602 if (c->prompt_string == NULL) 603 c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE); 604 c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */ 605 606 screen_reinit(&c->status); 607 } 608 609 /* Clear status line message after timer expires. */ 610 static void 611 status_message_callback(__unused int fd, __unused short event, void *data) 612 { 613 struct client *c = data; 614 615 status_message_clear(c); 616 } 617 618 /* Draw client message on status line of present else on last line. */ 619 int 620 status_message_redraw(struct client *c) 621 { 622 struct screen_write_ctx ctx; 623 struct session *s = c->session; 624 struct screen old_status; 625 size_t len; 626 struct grid_cell gc; 627 628 if (c->tty.sx == 0 || c->tty.sy == 0) 629 return (0); 630 memcpy(&old_status, &c->status, sizeof old_status); 631 screen_init(&c->status, c->tty.sx, 1, 0); 632 633 len = screen_write_strlen("%s", c->message_string); 634 if (len > c->tty.sx) 635 len = c->tty.sx; 636 637 style_apply(&gc, s->options, "message-style"); 638 639 screen_write_start(&ctx, NULL, &c->status); 640 641 screen_write_cursormove(&ctx, 0, 0); 642 screen_write_nputs(&ctx, len, &gc, "%s", c->message_string); 643 for (; len < c->tty.sx; len++) 644 screen_write_putc(&ctx, &gc, ' '); 645 646 screen_write_stop(&ctx); 647 648 if (grid_compare(c->status.grid, old_status.grid) == 0) { 649 screen_free(&old_status); 650 return (0); 651 } 652 screen_free(&old_status); 653 return (1); 654 } 655 656 /* Enable status line prompt. */ 657 void 658 status_prompt_set(struct client *c, const char *msg, const char *input, 659 int (*callbackfn)(void *, const char *, int), void (*freefn)(void *), 660 void *data, int flags) 661 { 662 struct format_tree *ft; 663 time_t t; 664 char *tmp; 665 666 ft = format_create(NULL, FORMAT_NONE, 0); 667 format_defaults(ft, c, NULL, NULL, NULL); 668 669 t = time(NULL); 670 tmp = format_expand_time(ft, input, t); 671 672 status_message_clear(c); 673 status_prompt_clear(c); 674 675 c->prompt_string = format_expand_time(ft, msg, t); 676 677 c->prompt_buffer = utf8_fromcstr(tmp); 678 c->prompt_index = utf8_strlen(c->prompt_buffer); 679 680 c->prompt_callbackfn = callbackfn; 681 c->prompt_freefn = freefn; 682 c->prompt_data = data; 683 684 c->prompt_hindex = 0; 685 686 c->prompt_flags = flags; 687 c->prompt_mode = PROMPT_ENTRY; 688 689 if (~flags & PROMPT_INCREMENTAL) 690 c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE); 691 c->flags |= CLIENT_STATUS; 692 693 free(tmp); 694 format_free(ft); 695 } 696 697 /* Remove status line prompt. */ 698 void 699 status_prompt_clear(struct client *c) 700 { 701 if (c->prompt_string == NULL) 702 return; 703 704 if (c->prompt_freefn != NULL && c->prompt_data != NULL) 705 c->prompt_freefn(c->prompt_data); 706 707 free(c->prompt_string); 708 c->prompt_string = NULL; 709 710 free(c->prompt_buffer); 711 c->prompt_buffer = NULL; 712 713 c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE); 714 c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */ 715 716 screen_reinit(&c->status); 717 } 718 719 /* Update status line prompt with a new prompt string. */ 720 void 721 status_prompt_update(struct client *c, const char *msg, const char *input) 722 { 723 struct format_tree *ft; 724 time_t t; 725 char *tmp; 726 727 ft = format_create(NULL, FORMAT_NONE, 0); 728 format_defaults(ft, c, NULL, NULL, NULL); 729 730 t = time(NULL); 731 tmp = format_expand_time(ft, input, t); 732 733 free(c->prompt_string); 734 c->prompt_string = format_expand_time(ft, msg, t); 735 736 free(c->prompt_buffer); 737 c->prompt_buffer = utf8_fromcstr(tmp); 738 c->prompt_index = utf8_strlen(c->prompt_buffer); 739 740 c->prompt_hindex = 0; 741 742 c->flags |= CLIENT_STATUS; 743 744 free(tmp); 745 format_free(ft); 746 } 747 748 /* Draw client prompt on status line of present else on last line. */ 749 int 750 status_prompt_redraw(struct client *c) 751 { 752 struct screen_write_ctx ctx; 753 struct session *s = c->session; 754 struct screen old_status; 755 u_int i, offset, left, start, pcursor, pwidth, width; 756 struct grid_cell gc, cursorgc; 757 758 if (c->tty.sx == 0 || c->tty.sy == 0) 759 return (0); 760 memcpy(&old_status, &c->status, sizeof old_status); 761 screen_init(&c->status, c->tty.sx, 1, 0); 762 763 if (c->prompt_mode == PROMPT_COMMAND) 764 style_apply(&gc, s->options, "message-command-style"); 765 else 766 style_apply(&gc, s->options, "message-style"); 767 768 memcpy(&cursorgc, &gc, sizeof cursorgc); 769 cursorgc.attr ^= GRID_ATTR_REVERSE; 770 771 start = screen_write_strlen("%s", c->prompt_string); 772 if (start > c->tty.sx) 773 start = c->tty.sx; 774 775 screen_write_start(&ctx, NULL, &c->status); 776 screen_write_cursormove(&ctx, 0, 0); 777 screen_write_nputs(&ctx, start, &gc, "%s", c->prompt_string); 778 while (c->status.cx < screen_size_x(&c->status)) 779 screen_write_putc(&ctx, &gc, ' '); 780 screen_write_cursormove(&ctx, start, 0); 781 782 left = c->tty.sx - start; 783 if (left == 0) 784 goto finished; 785 786 pcursor = utf8_strwidth(c->prompt_buffer, c->prompt_index); 787 pwidth = utf8_strwidth(c->prompt_buffer, -1); 788 if (pcursor >= left) { 789 /* 790 * The cursor would be outside the screen so start drawing 791 * with it on the right. 792 */ 793 offset = (pcursor - left) + 1; 794 pwidth = left; 795 } else 796 offset = 0; 797 if (pwidth > left) 798 pwidth = left; 799 800 width = 0; 801 for (i = 0; c->prompt_buffer[i].size != 0; i++) { 802 if (width < offset) { 803 width += c->prompt_buffer[i].width; 804 continue; 805 } 806 if (width >= offset + pwidth) 807 break; 808 width += c->prompt_buffer[i].width; 809 if (width > offset + pwidth) 810 break; 811 812 if (i != c->prompt_index) { 813 utf8_copy(&gc.data, &c->prompt_buffer[i]); 814 screen_write_cell(&ctx, &gc); 815 } else { 816 utf8_copy(&cursorgc.data, &c->prompt_buffer[i]); 817 screen_write_cell(&ctx, &cursorgc); 818 } 819 } 820 if (c->status.cx < screen_size_x(&c->status) && c->prompt_index >= i) 821 screen_write_putc(&ctx, &cursorgc, ' '); 822 823 finished: 824 screen_write_stop(&ctx); 825 826 if (grid_compare(c->status.grid, old_status.grid) == 0) { 827 screen_free(&old_status); 828 return (0); 829 } 830 screen_free(&old_status); 831 return (1); 832 } 833 834 /* Is this a separator? */ 835 static int 836 status_prompt_in_list(const char *ws, const struct utf8_data *ud) 837 { 838 if (ud->size != 1 || ud->width != 1) 839 return (0); 840 return (strchr(ws, *ud->data) != NULL); 841 } 842 843 /* Is this a space? */ 844 static int 845 status_prompt_space(const struct utf8_data *ud) 846 { 847 if (ud->size != 1 || ud->width != 1) 848 return (0); 849 return (*ud->data == ' '); 850 } 851 852 /* 853 * Translate key from emacs to vi. Return 0 to drop key, 1 to process the key 854 * as an emacs key; return 2 to append to the buffer. 855 */ 856 static int 857 status_prompt_translate_key(struct client *c, key_code key, key_code *new_key) 858 { 859 if (c->prompt_mode == PROMPT_ENTRY) { 860 switch (key) { 861 case '\003': /* C-c */ 862 case '\010': /* C-h */ 863 case '\011': /* Tab */ 864 case '\025': /* C-u */ 865 case '\027': /* C-w */ 866 case '\n': 867 case '\r': 868 case KEYC_BSPACE: 869 case KEYC_DC: 870 case KEYC_DOWN: 871 case KEYC_END: 872 case KEYC_HOME: 873 case KEYC_LEFT: 874 case KEYC_RIGHT: 875 case KEYC_UP: 876 *new_key = key; 877 return (1); 878 case '\033': /* Escape */ 879 c->prompt_mode = PROMPT_COMMAND; 880 c->flags |= CLIENT_STATUS; 881 return (0); 882 } 883 *new_key = key; 884 return (2); 885 } 886 887 switch (key) { 888 case 'A': 889 case 'I': 890 case 'C': 891 case 's': 892 case 'a': 893 c->prompt_mode = PROMPT_ENTRY; 894 c->flags |= CLIENT_STATUS; 895 break; /* switch mode and... */ 896 case 'S': 897 c->prompt_mode = PROMPT_ENTRY; 898 c->flags |= CLIENT_STATUS; 899 *new_key = '\025'; /* C-u */ 900 return (1); 901 case 'i': 902 case '\033': /* Escape */ 903 c->prompt_mode = PROMPT_ENTRY; 904 c->flags |= CLIENT_STATUS; 905 return (0); 906 } 907 908 switch (key) { 909 case 'A': 910 case '$': 911 *new_key = KEYC_END; 912 return (1); 913 case 'I': 914 case '0': 915 case '^': 916 *new_key = KEYC_HOME; 917 return (1); 918 case 'C': 919 case 'D': 920 *new_key = '\013'; /* C-k */ 921 return (1); 922 case KEYC_BSPACE: 923 case 'X': 924 *new_key = KEYC_BSPACE; 925 return (1); 926 case 'b': 927 case 'B': 928 *new_key = 'b'|KEYC_ESCAPE; 929 return (1); 930 case 'd': 931 *new_key = '\025'; 932 return (1); 933 case 'e': 934 case 'E': 935 case 'w': 936 case 'W': 937 *new_key = 'f'|KEYC_ESCAPE; 938 return (1); 939 case 'p': 940 *new_key = '\031'; /* C-y */ 941 return (1); 942 case 's': 943 case KEYC_DC: 944 case 'x': 945 *new_key = KEYC_DC; 946 return (1); 947 case KEYC_DOWN: 948 case 'j': 949 *new_key = KEYC_DOWN; 950 return (1); 951 case KEYC_LEFT: 952 case 'h': 953 *new_key = KEYC_LEFT; 954 return (1); 955 case 'a': 956 case KEYC_RIGHT: 957 case 'l': 958 *new_key = KEYC_RIGHT; 959 return (1); 960 case KEYC_UP: 961 case 'k': 962 *new_key = KEYC_UP; 963 return (1); 964 case '\010' /* C-h */: 965 case '\003' /* C-c */: 966 case '\n': 967 case '\r': 968 return (1); 969 } 970 return (0); 971 } 972 973 /* Handle keys in prompt. */ 974 int 975 status_prompt_key(struct client *c, key_code key) 976 { 977 struct options *oo = c->session->options; 978 struct paste_buffer *pb; 979 char *s, *cp, word[64], prefix = '='; 980 const char *histstr, *bufdata, *ws = NULL; 981 u_char ch; 982 size_t size, n, off, idx, bufsize, used; 983 struct utf8_data tmp, *first, *last, *ud; 984 int keys; 985 986 size = utf8_strlen(c->prompt_buffer); 987 988 if (c->prompt_flags & PROMPT_NUMERIC) { 989 if (key >= '0' && key <= '9') 990 goto append_key; 991 s = utf8_tocstr(c->prompt_buffer); 992 c->prompt_callbackfn(c->prompt_data, s, 1); 993 status_prompt_clear(c); 994 free(s); 995 return (1); 996 } 997 998 keys = options_get_number(c->session->options, "status-keys"); 999 if (keys == MODEKEY_VI) { 1000 switch (status_prompt_translate_key(c, key, &key)) { 1001 case 1: 1002 goto process_key; 1003 case 2: 1004 goto append_key; 1005 default: 1006 return (0); 1007 } 1008 } 1009 1010 process_key: 1011 switch (key) { 1012 case KEYC_LEFT: 1013 case '\002': /* C-b */ 1014 if (c->prompt_index > 0) { 1015 c->prompt_index--; 1016 break; 1017 } 1018 break; 1019 case KEYC_RIGHT: 1020 case '\006': /* C-f */ 1021 if (c->prompt_index < size) { 1022 c->prompt_index++; 1023 break; 1024 } 1025 break; 1026 case KEYC_HOME: 1027 case '\001': /* C-a */ 1028 if (c->prompt_index != 0) { 1029 c->prompt_index = 0; 1030 break; 1031 } 1032 break; 1033 case KEYC_END: 1034 case '\005': /* C-e */ 1035 if (c->prompt_index != size) { 1036 c->prompt_index = size; 1037 break; 1038 } 1039 break; 1040 case '\011': /* Tab */ 1041 if (c->prompt_buffer[0].size == 0) 1042 break; 1043 1044 idx = c->prompt_index; 1045 if (idx != 0) 1046 idx--; 1047 1048 /* Find the word we are in. */ 1049 first = &c->prompt_buffer[idx]; 1050 while (first > c->prompt_buffer && !status_prompt_space(first)) 1051 first--; 1052 while (first->size != 0 && status_prompt_space(first)) 1053 first++; 1054 last = &c->prompt_buffer[idx]; 1055 while (last->size != 0 && !status_prompt_space(last)) 1056 last++; 1057 while (last > c->prompt_buffer && status_prompt_space(last)) 1058 last--; 1059 if (last->size != 0) 1060 last++; 1061 if (last <= first) 1062 break; 1063 1064 used = 0; 1065 for (ud = first; ud < last; ud++) { 1066 if (used + ud->size >= sizeof word) 1067 break; 1068 memcpy(word + used, ud->data, ud->size); 1069 used += ud->size; 1070 } 1071 if (ud != last) 1072 break; 1073 word[used] = '\0'; 1074 1075 /* And try to complete it. */ 1076 if ((s = status_prompt_complete(c->session, word)) == NULL) 1077 break; 1078 1079 /* Trim out word. */ 1080 n = size - (last - c->prompt_buffer) + 1; /* with \0 */ 1081 memmove(first, last, n * sizeof *c->prompt_buffer); 1082 size -= last - first; 1083 1084 /* Insert the new word. */ 1085 size += strlen(s); 1086 off = first - c->prompt_buffer; 1087 c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 1, 1088 sizeof *c->prompt_buffer); 1089 first = c->prompt_buffer + off; 1090 memmove(first + strlen(s), first, n * sizeof *c->prompt_buffer); 1091 for (idx = 0; idx < strlen(s); idx++) 1092 utf8_set(&first[idx], s[idx]); 1093 1094 c->prompt_index = (first - c->prompt_buffer) + strlen(s); 1095 free(s); 1096 1097 goto changed; 1098 case KEYC_BSPACE: 1099 case '\010': /* C-h */ 1100 if (c->prompt_index != 0) { 1101 if (c->prompt_index == size) 1102 c->prompt_buffer[--c->prompt_index].size = 0; 1103 else { 1104 memmove(c->prompt_buffer + c->prompt_index - 1, 1105 c->prompt_buffer + c->prompt_index, 1106 (size + 1 - c->prompt_index) * 1107 sizeof *c->prompt_buffer); 1108 c->prompt_index--; 1109 } 1110 goto changed; 1111 } 1112 break; 1113 case KEYC_DC: 1114 case '\004': /* C-d */ 1115 if (c->prompt_index != size) { 1116 memmove(c->prompt_buffer + c->prompt_index, 1117 c->prompt_buffer + c->prompt_index + 1, 1118 (size + 1 - c->prompt_index) * 1119 sizeof *c->prompt_buffer); 1120 goto changed; 1121 } 1122 break; 1123 case '\025': /* C-u */ 1124 c->prompt_buffer[0].size = 0; 1125 c->prompt_index = 0; 1126 goto changed; 1127 case '\013': /* C-k */ 1128 if (c->prompt_index < size) { 1129 c->prompt_buffer[c->prompt_index].size = 0; 1130 goto changed; 1131 } 1132 break; 1133 case '\027': /* C-w */ 1134 ws = options_get_string(oo, "word-separators"); 1135 idx = c->prompt_index; 1136 1137 /* Find a non-separator. */ 1138 while (idx != 0) { 1139 idx--; 1140 if (!status_prompt_in_list(ws, &c->prompt_buffer[idx])) 1141 break; 1142 } 1143 1144 /* Find the separator at the beginning of the word. */ 1145 while (idx != 0) { 1146 idx--; 1147 if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) { 1148 /* Go back to the word. */ 1149 idx++; 1150 break; 1151 } 1152 } 1153 1154 memmove(c->prompt_buffer + idx, 1155 c->prompt_buffer + c->prompt_index, 1156 (size + 1 - c->prompt_index) * 1157 sizeof *c->prompt_buffer); 1158 memset(c->prompt_buffer + size - (c->prompt_index - idx), 1159 '\0', (c->prompt_index - idx) * sizeof *c->prompt_buffer); 1160 c->prompt_index = idx; 1161 1162 goto changed; 1163 case 'f'|KEYC_ESCAPE: 1164 ws = options_get_string(oo, "word-separators"); 1165 1166 /* Find a word. */ 1167 while (c->prompt_index != size) { 1168 idx = ++c->prompt_index; 1169 if (!status_prompt_in_list(ws, &c->prompt_buffer[idx])) 1170 break; 1171 } 1172 1173 /* Find the separator at the end of the word. */ 1174 while (c->prompt_index != size) { 1175 idx = ++c->prompt_index; 1176 if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) 1177 break; 1178 } 1179 1180 /* Back up to the end-of-word like vi. */ 1181 if (options_get_number(oo, "status-keys") == MODEKEY_VI && 1182 c->prompt_index != 0) 1183 c->prompt_index--; 1184 1185 goto changed; 1186 case 'b'|KEYC_ESCAPE: 1187 ws = options_get_string(oo, "word-separators"); 1188 1189 /* Find a non-separator. */ 1190 while (c->prompt_index != 0) { 1191 idx = --c->prompt_index; 1192 if (!status_prompt_in_list(ws, &c->prompt_buffer[idx])) 1193 break; 1194 } 1195 1196 /* Find the separator at the beginning of the word. */ 1197 while (c->prompt_index != 0) { 1198 idx = --c->prompt_index; 1199 if (status_prompt_in_list(ws, &c->prompt_buffer[idx])) { 1200 /* Go back to the word. */ 1201 c->prompt_index++; 1202 break; 1203 } 1204 } 1205 goto changed; 1206 case KEYC_UP: 1207 case '\020': /* C-p */ 1208 histstr = status_prompt_up_history(&c->prompt_hindex); 1209 if (histstr == NULL) 1210 break; 1211 free(c->prompt_buffer); 1212 c->prompt_buffer = utf8_fromcstr(histstr); 1213 c->prompt_index = utf8_strlen(c->prompt_buffer); 1214 goto changed; 1215 case KEYC_DOWN: 1216 case '\016': /* C-n */ 1217 histstr = status_prompt_down_history(&c->prompt_hindex); 1218 if (histstr == NULL) 1219 break; 1220 free(c->prompt_buffer); 1221 c->prompt_buffer = utf8_fromcstr(histstr); 1222 c->prompt_index = utf8_strlen(c->prompt_buffer); 1223 goto changed; 1224 case '\031': /* C-y */ 1225 if ((pb = paste_get_top(NULL)) == NULL) 1226 break; 1227 bufdata = paste_buffer_data(pb, &bufsize); 1228 for (n = 0; n < bufsize; n++) { 1229 ch = (u_char)bufdata[n]; 1230 if (ch < 32 || ch >= 127) 1231 break; 1232 } 1233 1234 c->prompt_buffer = xreallocarray(c->prompt_buffer, size + n + 1, 1235 sizeof *c->prompt_buffer); 1236 if (c->prompt_index == size) { 1237 for (idx = 0; idx < n; idx++) { 1238 ud = &c->prompt_buffer[c->prompt_index + idx]; 1239 utf8_set(ud, bufdata[idx]); 1240 } 1241 c->prompt_index += n; 1242 c->prompt_buffer[c->prompt_index].size = 0; 1243 } else { 1244 memmove(c->prompt_buffer + c->prompt_index + n, 1245 c->prompt_buffer + c->prompt_index, 1246 (size + 1 - c->prompt_index) * 1247 sizeof *c->prompt_buffer); 1248 for (idx = 0; idx < n; idx++) { 1249 ud = &c->prompt_buffer[c->prompt_index + idx]; 1250 utf8_set(ud, bufdata[idx]); 1251 } 1252 c->prompt_index += n; 1253 } 1254 goto changed; 1255 case '\024': /* C-t */ 1256 idx = c->prompt_index; 1257 if (idx < size) 1258 idx++; 1259 if (idx >= 2) { 1260 utf8_copy(&tmp, &c->prompt_buffer[idx - 2]); 1261 utf8_copy(&c->prompt_buffer[idx - 2], 1262 &c->prompt_buffer[idx - 1]); 1263 utf8_copy(&c->prompt_buffer[idx - 1], &tmp); 1264 c->prompt_index = idx; 1265 goto changed; 1266 } 1267 break; 1268 case '\r': 1269 case '\n': 1270 s = utf8_tocstr(c->prompt_buffer); 1271 if (*s != '\0') 1272 status_prompt_add_history(s); 1273 if (c->prompt_callbackfn(c->prompt_data, s, 1) == 0) 1274 status_prompt_clear(c); 1275 free(s); 1276 break; 1277 case '\033': /* Escape */ 1278 case '\003': /* C-c */ 1279 if (c->prompt_callbackfn(c->prompt_data, NULL, 1) == 0) 1280 status_prompt_clear(c); 1281 break; 1282 case '\022': /* C-r */ 1283 if (c->prompt_flags & PROMPT_INCREMENTAL) { 1284 prefix = '-'; 1285 goto changed; 1286 } 1287 break; 1288 case '\023': /* C-s */ 1289 if (c->prompt_flags & PROMPT_INCREMENTAL) { 1290 prefix = '+'; 1291 goto changed; 1292 } 1293 break; 1294 default: 1295 goto append_key; 1296 } 1297 1298 c->flags |= CLIENT_STATUS; 1299 return (0); 1300 1301 append_key: 1302 if (key <= 0x1f || key >= KEYC_BASE) 1303 return (0); 1304 if (utf8_split(key, &tmp) != UTF8_DONE) 1305 return (0); 1306 1307 c->prompt_buffer = xreallocarray(c->prompt_buffer, size + 2, 1308 sizeof *c->prompt_buffer); 1309 1310 if (c->prompt_index == size) { 1311 utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp); 1312 c->prompt_index++; 1313 c->prompt_buffer[c->prompt_index].size = 0; 1314 } else { 1315 memmove(c->prompt_buffer + c->prompt_index + 1, 1316 c->prompt_buffer + c->prompt_index, 1317 (size + 1 - c->prompt_index) * 1318 sizeof *c->prompt_buffer); 1319 utf8_copy(&c->prompt_buffer[c->prompt_index], &tmp); 1320 c->prompt_index++; 1321 } 1322 1323 if (c->prompt_flags & PROMPT_SINGLE) { 1324 s = utf8_tocstr(c->prompt_buffer); 1325 if (strlen(s) != 1) 1326 status_prompt_clear(c); 1327 else if (c->prompt_callbackfn(c->prompt_data, s, 1) == 0) 1328 status_prompt_clear(c); 1329 free(s); 1330 } 1331 1332 changed: 1333 c->flags |= CLIENT_STATUS; 1334 if (c->prompt_flags & PROMPT_INCREMENTAL) { 1335 s = utf8_tocstr(c->prompt_buffer); 1336 xasprintf(&cp, "%c%s", prefix, s); 1337 c->prompt_callbackfn(c->prompt_data, cp, 0); 1338 free(cp); 1339 free(s); 1340 } 1341 return (0); 1342 } 1343 1344 /* Get previous line from the history. */ 1345 static const char * 1346 status_prompt_up_history(u_int *idx) 1347 { 1348 /* 1349 * History runs from 0 to size - 1. Index is from 0 to size. Zero is 1350 * empty. 1351 */ 1352 1353 if (status_prompt_hsize == 0 || *idx == status_prompt_hsize) 1354 return (NULL); 1355 (*idx)++; 1356 return (status_prompt_hlist[status_prompt_hsize - *idx]); 1357 } 1358 1359 /* Get next line from the history. */ 1360 static const char * 1361 status_prompt_down_history(u_int *idx) 1362 { 1363 if (status_prompt_hsize == 0 || *idx == 0) 1364 return (""); 1365 (*idx)--; 1366 if (*idx == 0) 1367 return (""); 1368 return (status_prompt_hlist[status_prompt_hsize - *idx]); 1369 } 1370 1371 /* Add line to the history. */ 1372 static void 1373 status_prompt_add_history(const char *line) 1374 { 1375 size_t size; 1376 1377 if (status_prompt_hsize > 0 && 1378 strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0) 1379 return; 1380 1381 if (status_prompt_hsize == PROMPT_HISTORY) { 1382 free(status_prompt_hlist[0]); 1383 1384 size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist; 1385 memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size); 1386 1387 status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line); 1388 return; 1389 } 1390 1391 status_prompt_hlist = xreallocarray(status_prompt_hlist, 1392 status_prompt_hsize + 1, sizeof *status_prompt_hlist); 1393 status_prompt_hlist[status_prompt_hsize++] = xstrdup(line); 1394 } 1395 1396 /* Build completion list. */ 1397 static const char ** 1398 status_prompt_complete_list(u_int *size, const char *s) 1399 { 1400 const char **list = NULL, **layout; 1401 const struct cmd_entry **cmdent; 1402 const struct options_table_entry *oe; 1403 const char *layouts[] = { 1404 "even-horizontal", "even-vertical", "main-horizontal", 1405 "main-vertical", "tiled", NULL 1406 }; 1407 1408 *size = 0; 1409 for (cmdent = cmd_table; *cmdent != NULL; cmdent++) { 1410 if (strncmp((*cmdent)->name, s, strlen(s)) == 0) { 1411 list = xreallocarray(list, (*size) + 1, sizeof *list); 1412 list[(*size)++] = (*cmdent)->name; 1413 } 1414 } 1415 for (oe = options_table; oe->name != NULL; oe++) { 1416 if (strncmp(oe->name, s, strlen(s)) == 0) { 1417 list = xreallocarray(list, (*size) + 1, sizeof *list); 1418 list[(*size)++] = oe->name; 1419 } 1420 } 1421 for (layout = layouts; *layout != NULL; layout++) { 1422 if (strncmp(*layout, s, strlen(s)) == 0) { 1423 list = xreallocarray(list, (*size) + 1, sizeof *list); 1424 list[(*size)++] = *layout; 1425 } 1426 } 1427 return (list); 1428 } 1429 1430 /* Find longest prefix. */ 1431 static char * 1432 status_prompt_complete_prefix(const char **list, u_int size) 1433 { 1434 char *out; 1435 u_int i; 1436 size_t j; 1437 1438 out = xstrdup(list[0]); 1439 for (i = 1; i < size; i++) { 1440 j = strlen(list[i]); 1441 if (j > strlen(out)) 1442 j = strlen(out); 1443 for (; j > 0; j--) { 1444 if (out[j - 1] != list[i][j - 1]) 1445 out[j - 1] = '\0'; 1446 } 1447 } 1448 return (out); 1449 } 1450 1451 /* Complete word. */ 1452 static char * 1453 status_prompt_complete(struct session *session, const char *s) 1454 { 1455 const char **list = NULL, *colon; 1456 u_int size = 0, i; 1457 struct session *s_loop; 1458 struct winlink *wl; 1459 struct window *w; 1460 char *copy, *out, *tmp; 1461 1462 if (*s == '\0') 1463 return (NULL); 1464 out = NULL; 1465 1466 if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) { 1467 list = status_prompt_complete_list(&size, s); 1468 if (size == 0) 1469 out = NULL; 1470 else if (size == 1) 1471 xasprintf(&out, "%s ", list[0]); 1472 else 1473 out = status_prompt_complete_prefix(list, size); 1474 free(list); 1475 return (out); 1476 } 1477 copy = xstrdup(s); 1478 1479 colon = ":"; 1480 if (copy[strlen(copy) - 1] == ':') 1481 copy[strlen(copy) - 1] = '\0'; 1482 else 1483 colon = ""; 1484 s = copy + 2; 1485 1486 RB_FOREACH(s_loop, sessions, &sessions) { 1487 if (strncmp(s_loop->name, s, strlen(s)) == 0) { 1488 list = xreallocarray(list, size + 2, sizeof *list); 1489 list[size++] = s_loop->name; 1490 } 1491 } 1492 if (size == 1) { 1493 out = xstrdup(list[0]); 1494 if (session_find(list[0]) != NULL) 1495 colon = ":"; 1496 } else if (size != 0) 1497 out = status_prompt_complete_prefix(list, size); 1498 if (out != NULL) { 1499 xasprintf(&tmp, "-%c%s%s", copy[1], out, colon); 1500 out = tmp; 1501 goto found; 1502 } 1503 1504 colon = ""; 1505 if (*s == ':') { 1506 RB_FOREACH(wl, winlinks, &session->windows) { 1507 xasprintf(&tmp, ":%s", wl->window->name); 1508 if (strncmp(tmp, s, strlen(s)) == 0){ 1509 list = xreallocarray(list, size + 1, 1510 sizeof *list); 1511 list[size++] = tmp; 1512 continue; 1513 } 1514 free(tmp); 1515 1516 xasprintf(&tmp, ":%d", wl->idx); 1517 if (strncmp(tmp, s, strlen(s)) == 0) { 1518 list = xreallocarray(list, size + 1, 1519 sizeof *list); 1520 list[size++] = tmp; 1521 continue; 1522 } 1523 free(tmp); 1524 } 1525 } else { 1526 RB_FOREACH(s_loop, sessions, &sessions) { 1527 RB_FOREACH(wl, winlinks, &s_loop->windows) { 1528 w = wl->window; 1529 1530 xasprintf(&tmp, "%s:%s", s_loop->name, w->name); 1531 if (strncmp(tmp, s, strlen(s)) == 0) { 1532 list = xreallocarray(list, size + 1, 1533 sizeof *list); 1534 list[size++] = tmp; 1535 continue; 1536 } 1537 free(tmp); 1538 1539 xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx); 1540 if (strncmp(tmp, s, strlen(s)) == 0) { 1541 list = xreallocarray(list, size + 1, 1542 sizeof *list); 1543 list[size++] = tmp; 1544 continue; 1545 } 1546 free(tmp); 1547 } 1548 } 1549 } 1550 if (size == 1) { 1551 out = xstrdup(list[0]); 1552 colon = " "; 1553 } else if (size != 0) 1554 out = status_prompt_complete_prefix(list, size); 1555 if (out != NULL) { 1556 xasprintf(&tmp, "-%c%s%s", copy[1], out, colon); 1557 out = tmp; 1558 } 1559 1560 for (i = 0; i < size; i++) 1561 free((void *)list[i]); 1562 1563 found: 1564 free(copy); 1565 free(list); 1566 return (out); 1567 } 1568