1 /* $OpenBSD$ */ 2 3 /* 4 * Copyright (c) 2017 Nicholas Marriott <nicholas.marriott (at) 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 21 #include <ctype.h> 22 #include <stdio.h> 23 #include <stdlib.h> 24 #include <string.h> 25 26 #include "tmux.h" 27 28 enum mode_tree_search_dir { 29 MODE_TREE_SEARCH_FORWARD, 30 MODE_TREE_SEARCH_BACKWARD 31 }; 32 33 enum mode_tree_preview { 34 MODE_TREE_PREVIEW_OFF, 35 MODE_TREE_PREVIEW_NORMAL, 36 MODE_TREE_PREVIEW_BIG 37 }; 38 39 struct mode_tree_item; 40 TAILQ_HEAD(mode_tree_list, mode_tree_item); 41 42 struct mode_tree_data { 43 int dead; 44 u_int references; 45 int zoomed; 46 47 struct window_pane *wp; 48 void *modedata; 49 const struct menu_item *menu; 50 51 const char **sort_list; 52 u_int sort_size; 53 struct mode_tree_sort_criteria sort_crit; 54 55 mode_tree_build_cb buildcb; 56 mode_tree_draw_cb drawcb; 57 mode_tree_search_cb searchcb; 58 mode_tree_menu_cb menucb; 59 mode_tree_height_cb heightcb; 60 mode_tree_key_cb keycb; 61 mode_tree_swap_cb swapcb; 62 63 struct mode_tree_list children; 64 struct mode_tree_list saved; 65 66 struct mode_tree_line *line_list; 67 u_int line_size; 68 69 u_int depth; 70 u_int maxdepth; 71 72 u_int width; 73 u_int height; 74 75 u_int offset; 76 u_int current; 77 78 struct screen screen; 79 80 int preview; 81 char *search; 82 char *filter; 83 int no_matches; 84 enum mode_tree_search_dir search_dir; 85 int search_icase; 86 }; 87 88 struct mode_tree_item { 89 struct mode_tree_item *parent; 90 void *itemdata; 91 u_int line; 92 93 key_code key; 94 const char *keystr; 95 size_t keylen; 96 97 uint64_t tag; 98 const char *name; 99 const char *text; 100 101 int expanded; 102 int tagged; 103 104 int draw_as_parent; 105 int no_tag; 106 int align; 107 108 struct mode_tree_list children; 109 TAILQ_ENTRY(mode_tree_item) entry; 110 }; 111 112 struct mode_tree_line { 113 struct mode_tree_item *item; 114 u_int depth; 115 int last; 116 int flat; 117 }; 118 119 struct mode_tree_menu { 120 struct mode_tree_data *data; 121 struct client *c; 122 u_int line; 123 }; 124 125 static void mode_tree_free_items(struct mode_tree_list *); 126 127 static const struct menu_item mode_tree_menu_items[] = { 128 { "Scroll Left", '<', NULL }, 129 { "Scroll Right", '>', NULL }, 130 { "", KEYC_NONE, NULL }, 131 { "Cancel", 'q', NULL }, 132 133 { NULL, KEYC_NONE, NULL } 134 }; 135 136 static int 137 mode_tree_is_lowercase(const char *ptr) 138 { 139 while (*ptr != '\0') { 140 if (*ptr != tolower((u_char)*ptr)) 141 return (0); 142 ++ptr; 143 } 144 return (1); 145 } 146 147 static struct mode_tree_item * 148 mode_tree_find_item(struct mode_tree_list *mtl, uint64_t tag) 149 { 150 struct mode_tree_item *mti, *child; 151 152 TAILQ_FOREACH(mti, mtl, entry) { 153 if (mti->tag == tag) 154 return (mti); 155 child = mode_tree_find_item(&mti->children, tag); 156 if (child != NULL) 157 return (child); 158 } 159 return (NULL); 160 } 161 162 static void 163 mode_tree_free_item(struct mode_tree_item *mti) 164 { 165 mode_tree_free_items(&mti->children); 166 167 free(__UNCONST(mti->name)); 168 free(__UNCONST(mti->text)); 169 free(__UNCONST(mti->keystr)); 170 171 free(mti); 172 } 173 174 static void 175 mode_tree_free_items(struct mode_tree_list *mtl) 176 { 177 struct mode_tree_item *mti, *mti1; 178 179 TAILQ_FOREACH_SAFE(mti, mtl, entry, mti1) { 180 TAILQ_REMOVE(mtl, mti, entry); 181 mode_tree_free_item(mti); 182 } 183 } 184 185 static void 186 mode_tree_check_selected(struct mode_tree_data *mtd) 187 { 188 /* 189 * If the current line would now be off screen reset the offset to the 190 * last visible line. 191 */ 192 if (mtd->current > mtd->height - 1) 193 mtd->offset = mtd->current - mtd->height + 1; 194 } 195 196 static void 197 mode_tree_clear_lines(struct mode_tree_data *mtd) 198 { 199 free(mtd->line_list); 200 mtd->line_list = NULL; 201 mtd->line_size = 0; 202 } 203 204 static void 205 mode_tree_build_lines(struct mode_tree_data *mtd, 206 struct mode_tree_list *mtl, u_int depth) 207 { 208 struct mode_tree_item *mti; 209 struct mode_tree_line *line; 210 u_int i; 211 int flat = 1; 212 213 mtd->depth = depth; 214 if (depth > mtd->maxdepth) 215 mtd->maxdepth = depth; 216 TAILQ_FOREACH(mti, mtl, entry) { 217 mtd->line_list = xreallocarray(mtd->line_list, 218 mtd->line_size + 1, sizeof *mtd->line_list); 219 220 line = &mtd->line_list[mtd->line_size++]; 221 line->item = mti; 222 line->depth = depth; 223 line->last = (mti == TAILQ_LAST(mtl, mode_tree_list)); 224 225 mti->line = (mtd->line_size - 1); 226 if (!TAILQ_EMPTY(&mti->children)) 227 flat = 0; 228 if (mti->expanded) 229 mode_tree_build_lines(mtd, &mti->children, depth + 1); 230 231 if (mtd->keycb != NULL) { 232 mti->key = mtd->keycb(mtd->modedata, mti->itemdata, 233 mti->line); 234 if (mti->key == KEYC_UNKNOWN) 235 mti->key = KEYC_NONE; 236 } else if (mti->line < 10) 237 mti->key = '0' + mti->line; 238 else if (mti->line < 36) 239 mti->key = KEYC_META|('a' + mti->line - 10); 240 else 241 mti->key = KEYC_NONE; 242 if (mti->key != KEYC_NONE) { 243 mti->keystr = xstrdup(key_string_lookup_key(mti->key, 244 0)); 245 mti->keylen = strlen(mti->keystr); 246 } else { 247 mti->keystr = NULL; 248 mti->keylen = 0; 249 } 250 } 251 TAILQ_FOREACH(mti, mtl, entry) { 252 for (i = 0; i < mtd->line_size; i++) { 253 line = &mtd->line_list[i]; 254 if (line->item == mti) 255 line->flat = flat; 256 } 257 } 258 } 259 260 static void 261 mode_tree_clear_tagged(struct mode_tree_list *mtl) 262 { 263 struct mode_tree_item *mti; 264 265 TAILQ_FOREACH(mti, mtl, entry) { 266 mti->tagged = 0; 267 mode_tree_clear_tagged(&mti->children); 268 } 269 } 270 271 void 272 mode_tree_up(struct mode_tree_data *mtd, int wrap) 273 { 274 if (mtd->current == 0) { 275 if (wrap) { 276 mtd->current = mtd->line_size - 1; 277 if (mtd->line_size >= mtd->height) 278 mtd->offset = mtd->line_size - mtd->height; 279 } 280 } else { 281 mtd->current--; 282 if (mtd->current < mtd->offset) 283 mtd->offset--; 284 } 285 } 286 287 int 288 mode_tree_down(struct mode_tree_data *mtd, int wrap) 289 { 290 if (mtd->current == mtd->line_size - 1) { 291 if (wrap) { 292 mtd->current = 0; 293 mtd->offset = 0; 294 } else 295 return (0); 296 } else { 297 mtd->current++; 298 if (mtd->current > mtd->offset + mtd->height - 1) 299 mtd->offset++; 300 } 301 return (1); 302 } 303 304 static void 305 mode_tree_swap(struct mode_tree_data *mtd, int direction) 306 { 307 u_int current_depth = mtd->line_list[mtd->current].depth; 308 u_int swap_with, swap_with_depth; 309 310 if (mtd->swapcb == NULL) 311 return; 312 313 /* Find the next line at the same depth with the same parent . */ 314 swap_with = mtd->current; 315 do { 316 if (direction < 0 && swap_with < (u_int)-direction) 317 return; 318 if (direction > 0 && swap_with + direction >= mtd->line_size) 319 return; 320 swap_with += direction; 321 swap_with_depth = mtd->line_list[swap_with].depth; 322 } while (swap_with_depth > current_depth); 323 if (swap_with_depth != current_depth) 324 return; 325 326 if (mtd->swapcb(mtd->line_list[mtd->current].item->itemdata, 327 mtd->line_list[swap_with].item->itemdata)) { 328 mtd->current = swap_with; 329 mode_tree_build(mtd); 330 } 331 } 332 333 void * 334 mode_tree_get_current(struct mode_tree_data *mtd) 335 { 336 return (mtd->line_list[mtd->current].item->itemdata); 337 } 338 339 const char * 340 mode_tree_get_current_name(struct mode_tree_data *mtd) 341 { 342 return (mtd->line_list[mtd->current].item->name); 343 } 344 345 void 346 mode_tree_expand_current(struct mode_tree_data *mtd) 347 { 348 if (!mtd->line_list[mtd->current].item->expanded) { 349 mtd->line_list[mtd->current].item->expanded = 1; 350 mode_tree_build(mtd); 351 } 352 } 353 354 void 355 mode_tree_collapse_current(struct mode_tree_data *mtd) 356 { 357 if (mtd->line_list[mtd->current].item->expanded) { 358 mtd->line_list[mtd->current].item->expanded = 0; 359 mode_tree_build(mtd); 360 } 361 } 362 363 static int 364 mode_tree_get_tag(struct mode_tree_data *mtd, uint64_t tag, u_int *found) 365 { 366 u_int i; 367 368 for (i = 0; i < mtd->line_size; i++) { 369 if (mtd->line_list[i].item->tag == tag) 370 break; 371 } 372 if (i != mtd->line_size) { 373 *found = i; 374 return (1); 375 } 376 return (0); 377 } 378 379 void 380 mode_tree_expand(struct mode_tree_data *mtd, uint64_t tag) 381 { 382 u_int found; 383 384 if (!mode_tree_get_tag(mtd, tag, &found)) 385 return; 386 if (!mtd->line_list[found].item->expanded) { 387 mtd->line_list[found].item->expanded = 1; 388 mode_tree_build(mtd); 389 } 390 } 391 392 int 393 mode_tree_set_current(struct mode_tree_data *mtd, uint64_t tag) 394 { 395 u_int found; 396 397 if (mode_tree_get_tag(mtd, tag, &found)) { 398 mtd->current = found; 399 if (mtd->current > mtd->height - 1) 400 mtd->offset = mtd->current - mtd->height + 1; 401 else 402 mtd->offset = 0; 403 return (1); 404 } 405 if (mtd->current >= mtd->line_size) { 406 mtd->current = mtd->line_size - 1; 407 if (mtd->current > mtd->height - 1) 408 mtd->offset = mtd->current - mtd->height + 1; 409 else 410 mtd->offset = 0; 411 } 412 return (0); 413 } 414 415 u_int 416 mode_tree_count_tagged(struct mode_tree_data *mtd) 417 { 418 struct mode_tree_item *mti; 419 u_int i, tagged; 420 421 tagged = 0; 422 for (i = 0; i < mtd->line_size; i++) { 423 mti = mtd->line_list[i].item; 424 if (mti->tagged) 425 tagged++; 426 } 427 return (tagged); 428 } 429 430 void 431 mode_tree_each_tagged(struct mode_tree_data *mtd, mode_tree_each_cb cb, 432 struct client *c, key_code key, int current) 433 { 434 struct mode_tree_item *mti; 435 u_int i; 436 int fired; 437 438 fired = 0; 439 for (i = 0; i < mtd->line_size; i++) { 440 mti = mtd->line_list[i].item; 441 if (mti->tagged) { 442 fired = 1; 443 cb(mtd->modedata, mti->itemdata, c, key); 444 } 445 } 446 if (!fired && current) { 447 mti = mtd->line_list[mtd->current].item; 448 cb(mtd->modedata, mti->itemdata, c, key); 449 } 450 } 451 452 struct mode_tree_data * 453 mode_tree_start(struct window_pane *wp, struct args *args, 454 mode_tree_build_cb buildcb, mode_tree_draw_cb drawcb, 455 mode_tree_search_cb searchcb, mode_tree_menu_cb menucb, 456 mode_tree_height_cb heightcb, mode_tree_key_cb keycb, 457 mode_tree_swap_cb swapcb, void *modedata, const struct menu_item *menu, 458 const char **sort_list, u_int sort_size, struct screen **s) 459 { 460 struct mode_tree_data *mtd; 461 const char *sort; 462 u_int i; 463 464 mtd = xcalloc(1, sizeof *mtd); 465 mtd->references = 1; 466 467 mtd->wp = wp; 468 mtd->modedata = modedata; 469 mtd->menu = menu; 470 471 mtd->sort_list = sort_list; 472 mtd->sort_size = sort_size; 473 474 if (args_has(args, 'N') > 1) 475 mtd->preview = MODE_TREE_PREVIEW_BIG; 476 else if (args_has(args, 'N')) 477 mtd->preview = MODE_TREE_PREVIEW_OFF; 478 else 479 mtd->preview = MODE_TREE_PREVIEW_NORMAL; 480 481 sort = args_get(args, 'O'); 482 if (sort != NULL) { 483 for (i = 0; i < sort_size; i++) { 484 if (strcasecmp(sort, sort_list[i]) == 0) 485 mtd->sort_crit.field = i; 486 } 487 } 488 mtd->sort_crit.reversed = args_has(args, 'r'); 489 490 if (args_has(args, 'f')) 491 mtd->filter = xstrdup(args_get(args, 'f')); 492 else 493 mtd->filter = NULL; 494 495 mtd->buildcb = buildcb; 496 mtd->drawcb = drawcb; 497 mtd->searchcb = searchcb; 498 mtd->menucb = menucb; 499 mtd->heightcb = heightcb; 500 mtd->keycb = keycb; 501 mtd->swapcb = swapcb; 502 503 TAILQ_INIT(&mtd->children); 504 505 *s = &mtd->screen; 506 screen_init(*s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0); 507 (*s)->mode &= ~MODE_CURSOR; 508 509 return (mtd); 510 } 511 512 void 513 mode_tree_zoom(struct mode_tree_data *mtd, struct args *args) 514 { 515 struct window_pane *wp = mtd->wp; 516 517 if (args_has(args, 'Z')) { 518 mtd->zoomed = (wp->window->flags & WINDOW_ZOOMED); 519 if (!mtd->zoomed && window_zoom(wp) == 0) 520 server_redraw_window(wp->window); 521 } else 522 mtd->zoomed = -1; 523 } 524 525 static void 526 mode_tree_set_height(struct mode_tree_data *mtd) 527 { 528 struct screen *s = &mtd->screen; 529 u_int height; 530 531 if (mtd->heightcb != NULL) { 532 height = mtd->heightcb(mtd, screen_size_y(s)); 533 if (height < screen_size_y(s)) 534 mtd->height = screen_size_y(s) - height; 535 } else { 536 if (mtd->preview == MODE_TREE_PREVIEW_NORMAL) { 537 mtd->height = (screen_size_y(s) / 3) * 2; 538 if (mtd->height > mtd->line_size) 539 mtd->height = screen_size_y(s) / 2; 540 if (mtd->height < 10) 541 mtd->height = screen_size_y(s); 542 } else if (mtd->preview == MODE_TREE_PREVIEW_BIG) { 543 mtd->height = screen_size_y(s) / 4; 544 if (mtd->height > mtd->line_size) 545 mtd->height = mtd->line_size; 546 if (mtd->height < 2) 547 mtd->height = 2; 548 } else 549 mtd->height = screen_size_y(s); 550 } 551 if (screen_size_y(s) - mtd->height < 2) 552 mtd->height = screen_size_y(s); 553 } 554 555 void 556 mode_tree_build(struct mode_tree_data *mtd) 557 { 558 struct screen *s = &mtd->screen; 559 uint64_t tag; 560 561 if (mtd->line_list != NULL) 562 tag = mtd->line_list[mtd->current].item->tag; 563 else 564 tag = UINT64_MAX; 565 566 TAILQ_CONCAT(&mtd->saved, &mtd->children, entry); 567 TAILQ_INIT(&mtd->children); 568 569 mtd->buildcb(mtd->modedata, &mtd->sort_crit, &tag, mtd->filter); 570 mtd->no_matches = TAILQ_EMPTY(&mtd->children); 571 if (mtd->no_matches) 572 mtd->buildcb(mtd->modedata, &mtd->sort_crit, &tag, NULL); 573 574 mode_tree_free_items(&mtd->saved); 575 TAILQ_INIT(&mtd->saved); 576 577 mode_tree_clear_lines(mtd); 578 mtd->maxdepth = 0; 579 mode_tree_build_lines(mtd, &mtd->children, 0); 580 581 if (mtd->line_list != NULL && tag == UINT64_MAX) 582 tag = mtd->line_list[mtd->current].item->tag; 583 mode_tree_set_current(mtd, tag); 584 585 mtd->width = screen_size_x(s); 586 if (mtd->preview != MODE_TREE_PREVIEW_OFF) 587 mode_tree_set_height(mtd); 588 else 589 mtd->height = screen_size_y(s); 590 mode_tree_check_selected(mtd); 591 } 592 593 static void 594 mode_tree_remove_ref(struct mode_tree_data *mtd) 595 { 596 if (--mtd->references == 0) 597 free(mtd); 598 } 599 600 void 601 mode_tree_free(struct mode_tree_data *mtd) 602 { 603 struct window_pane *wp = mtd->wp; 604 605 if (mtd->zoomed == 0) 606 server_unzoom_window(wp->window); 607 608 mode_tree_free_items(&mtd->children); 609 mode_tree_clear_lines(mtd); 610 screen_free(&mtd->screen); 611 612 free(mtd->search); 613 free(mtd->filter); 614 615 mtd->dead = 1; 616 mode_tree_remove_ref(mtd); 617 } 618 619 void 620 mode_tree_resize(struct mode_tree_data *mtd, u_int sx, u_int sy) 621 { 622 struct screen *s = &mtd->screen; 623 624 screen_resize(s, sx, sy, 0); 625 626 mode_tree_build(mtd); 627 mode_tree_draw(mtd); 628 629 mtd->wp->flags |= PANE_REDRAW; 630 } 631 632 struct mode_tree_item * 633 mode_tree_add(struct mode_tree_data *mtd, struct mode_tree_item *parent, 634 void *itemdata, uint64_t tag, const char *name, const char *text, 635 int expanded) 636 { 637 struct mode_tree_item *mti, *saved; 638 639 log_debug("%s: %llu, %s %s", __func__, (unsigned long long)tag, 640 name, (text == NULL ? "" : text)); 641 642 mti = xcalloc(1, sizeof *mti); 643 mti->parent = parent; 644 mti->itemdata = itemdata; 645 646 mti->tag = tag; 647 mti->name = xstrdup(name); 648 if (text != NULL) 649 mti->text = xstrdup(text); 650 651 saved = mode_tree_find_item(&mtd->saved, tag); 652 if (saved != NULL) { 653 if (parent == NULL || parent->expanded) 654 mti->tagged = saved->tagged; 655 mti->expanded = saved->expanded; 656 } else if (expanded == -1) 657 mti->expanded = 1; 658 else 659 mti->expanded = expanded; 660 661 TAILQ_INIT(&mti->children); 662 663 if (parent != NULL) 664 TAILQ_INSERT_TAIL(&parent->children, mti, entry); 665 else 666 TAILQ_INSERT_TAIL(&mtd->children, mti, entry); 667 668 return (mti); 669 } 670 671 void 672 mode_tree_draw_as_parent(struct mode_tree_item *mti) 673 { 674 mti->draw_as_parent = 1; 675 } 676 677 void 678 mode_tree_no_tag(struct mode_tree_item *mti) 679 { 680 mti->no_tag = 1; 681 } 682 683 /* 684 * Set the alignment of mti->name: -1 to align left, 0 (default) to not align, 685 * or 1 to align right. 686 */ 687 void 688 mode_tree_align(struct mode_tree_item *mti, int align) 689 { 690 mti->align = align; 691 } 692 693 void 694 mode_tree_remove(struct mode_tree_data *mtd, struct mode_tree_item *mti) 695 { 696 struct mode_tree_item *parent = mti->parent; 697 698 if (parent != NULL) 699 TAILQ_REMOVE(&parent->children, mti, entry); 700 else 701 TAILQ_REMOVE(&mtd->children, mti, entry); 702 mode_tree_free_item(mti); 703 } 704 705 void 706 mode_tree_draw(struct mode_tree_data *mtd) 707 { 708 struct window_pane *wp = mtd->wp; 709 struct screen *s = &mtd->screen; 710 struct mode_tree_line *line; 711 struct mode_tree_item *mti; 712 struct options *oo = wp->window->options; 713 struct screen_write_ctx ctx; 714 struct grid_cell gc0, gc; 715 u_int w, h, i, j, sy, box_x, box_y, width; 716 char *text, *start, *key; 717 const char *tag, *symbol; 718 size_t size, n; 719 int keylen, pad, alignlen[mtd->maxdepth + 1]; 720 721 if (mtd->line_size == 0) 722 return; 723 724 memcpy(&gc0, &grid_default_cell, sizeof gc0); 725 memcpy(&gc, &grid_default_cell, sizeof gc); 726 style_apply(&gc, oo, "mode-style", NULL); 727 728 w = mtd->width; 729 h = mtd->height; 730 731 screen_write_start(&ctx, s); 732 screen_write_clearscreen(&ctx, 8); 733 734 keylen = 0; 735 for (i = 0; i < mtd->line_size; i++) { 736 mti = mtd->line_list[i].item; 737 if (mti->key == KEYC_NONE) 738 continue; 739 if ((int)mti->keylen + 3 > keylen) 740 keylen = mti->keylen + 3; 741 } 742 743 for (i = 0; i < mtd->maxdepth + 1; i++) 744 alignlen[i] = 0; 745 for (i = 0; i < mtd->line_size; i++) { 746 line = &mtd->line_list[i]; 747 mti = line->item; 748 if (mti->align && 749 (int)strlen(mti->name) > alignlen[line->depth]) 750 alignlen[line->depth] = strlen(mti->name); 751 } 752 753 for (i = 0; i < mtd->line_size; i++) { 754 if (i < mtd->offset) 755 continue; 756 if (i > mtd->offset + h - 1) 757 break; 758 line = &mtd->line_list[i]; 759 mti = line->item; 760 761 screen_write_cursormove(&ctx, 0, i - mtd->offset, 0); 762 763 pad = keylen - 2 - mti->keylen; 764 if (mti->key != KEYC_NONE) 765 xasprintf(&key, "(%s)%*s", mti->keystr, pad, ""); 766 else 767 key = xstrdup(""); 768 769 if (line->flat) 770 symbol = ""; 771 else if (TAILQ_EMPTY(&mti->children)) 772 symbol = " "; 773 else if (mti->expanded) 774 symbol = "- "; 775 else 776 symbol = "+ "; 777 778 if (line->depth == 0) 779 start = xstrdup(symbol); 780 else { 781 size = (4 * line->depth) + 32; 782 783 start = xcalloc(1, size); 784 for (j = 1; j < line->depth; j++) { 785 if (mti->parent != NULL && 786 mtd->line_list[mti->parent->line].last) 787 strlcat(start, " ", size); 788 else 789 strlcat(start, "\001x\001 ", size); 790 } 791 if (line->last) 792 strlcat(start, "\001mq\001> ", size); 793 else 794 strlcat(start, "\001tq\001> ", size); 795 strlcat(start, symbol, size); 796 } 797 798 if (mti->tagged) 799 tag = "*"; 800 else 801 tag = ""; 802 xasprintf(&text, "%-*s%s%*s%s%s", keylen, key, start, 803 mti->align * alignlen[line->depth], mti->name, tag, 804 (mti->text != NULL) ? ": " : "" ); 805 width = utf8_cstrwidth(text); 806 if (width > w) 807 width = w; 808 free(start); 809 810 if (mti->tagged) { 811 gc.attr ^= GRID_ATTR_BRIGHT; 812 gc0.attr ^= GRID_ATTR_BRIGHT; 813 } 814 815 if (i != mtd->current) { 816 screen_write_clearendofline(&ctx, 8); 817 screen_write_nputs(&ctx, w, &gc0, "%s", text); 818 if (mti->text != NULL) { 819 format_draw(&ctx, &gc0, w - width, mti->text, 820 NULL, 0); 821 } 822 } else { 823 screen_write_clearendofline(&ctx, gc.bg); 824 screen_write_nputs(&ctx, w, &gc, "%s", text); 825 if (mti->text != NULL) { 826 format_draw(&ctx, &gc, w - width, mti->text, 827 NULL, 0); 828 } 829 } 830 free(text); 831 free(key); 832 833 if (mti->tagged) { 834 gc.attr ^= GRID_ATTR_BRIGHT; 835 gc0.attr ^= GRID_ATTR_BRIGHT; 836 } 837 } 838 839 if (mtd->preview == MODE_TREE_PREVIEW_OFF) 840 goto done; 841 842 sy = screen_size_y(s); 843 if (sy <= 4 || h < 2 || sy - h <= 4 || w <= 4) 844 goto done; 845 846 line = &mtd->line_list[mtd->current]; 847 mti = line->item; 848 if (mti->draw_as_parent) 849 mti = mti->parent; 850 851 screen_write_cursormove(&ctx, 0, h, 0); 852 screen_write_box(&ctx, w, sy - h, BOX_LINES_DEFAULT, NULL, NULL); 853 854 if (mtd->sort_list != NULL) { 855 xasprintf(&text, " %s (sort: %s%s)", mti->name, 856 mtd->sort_list[mtd->sort_crit.field], 857 mtd->sort_crit.reversed ? ", reversed" : ""); 858 } else 859 xasprintf(&text, " %s", mti->name); 860 if (w - 2 >= strlen(text)) { 861 screen_write_cursormove(&ctx, 1, h, 0); 862 screen_write_puts(&ctx, &gc0, "%s", text); 863 864 if (mtd->no_matches) 865 n = (sizeof "no matches") - 1; 866 else 867 n = (sizeof "active") - 1; 868 if (mtd->filter != NULL && w - 2 >= strlen(text) + 10 + n + 2) { 869 screen_write_puts(&ctx, &gc0, " (filter: "); 870 if (mtd->no_matches) 871 screen_write_puts(&ctx, &gc, "no matches"); 872 else 873 screen_write_puts(&ctx, &gc0, "active"); 874 screen_write_puts(&ctx, &gc0, ") "); 875 } else 876 screen_write_puts(&ctx, &gc0, " "); 877 } 878 free(text); 879 880 box_x = w - 4; 881 box_y = sy - h - 2; 882 883 if (box_x != 0 && box_y != 0) { 884 screen_write_cursormove(&ctx, 2, h + 1, 0); 885 mtd->drawcb(mtd->modedata, mti->itemdata, &ctx, box_x, box_y); 886 } 887 888 done: 889 screen_write_cursormove(&ctx, 0, mtd->current - mtd->offset, 0); 890 screen_write_stop(&ctx); 891 } 892 893 static struct mode_tree_item * 894 mode_tree_search_backward(struct mode_tree_data *mtd) 895 { 896 struct mode_tree_item *mti, *last, *prev; 897 int icase = mtd->search_icase; 898 899 if (mtd->search == NULL) 900 return (NULL); 901 902 mti = last = mtd->line_list[mtd->current].item; 903 for (;;) { 904 if ((prev = TAILQ_PREV(mti, mode_tree_list, entry)) != NULL) { 905 /* Point to the last child in the previous subtree. */ 906 while (!TAILQ_EMPTY(&prev->children)) { 907 prev = TAILQ_LAST(&prev->children, 908 mode_tree_list); 909 } 910 mti = prev; 911 } else { 912 /* If prev is NULL, jump to the parent. */ 913 mti = mti->parent; 914 } 915 916 if (mti == NULL) { 917 /* Point to the last child in the last root subtree. */ 918 prev = TAILQ_LAST(&mtd->children, mode_tree_list); 919 while (!TAILQ_EMPTY(&prev->children)) { 920 prev = TAILQ_LAST(&prev->children, 921 mode_tree_list); 922 } 923 mti = prev; 924 } 925 if (mti == last) 926 break; 927 928 if (mtd->searchcb == NULL) { 929 if (!icase && strstr(mti->name, mtd->search) != NULL) 930 return (mti); 931 if (icase && strcasestr(mti->name, mtd->search) != NULL) 932 return (mti); 933 continue; 934 } 935 if (mtd->searchcb(mtd->modedata, mti->itemdata, mtd->search, 936 icase)) 937 return (mti); 938 } 939 return (NULL); 940 } 941 942 static struct mode_tree_item * 943 mode_tree_search_forward(struct mode_tree_data *mtd) 944 { 945 struct mode_tree_item *mti, *last, *next; 946 int icase = mtd->search_icase; 947 948 if (mtd->search == NULL) 949 return (NULL); 950 951 mti = last = mtd->line_list[mtd->current].item; 952 for (;;) { 953 if (!TAILQ_EMPTY(&mti->children)) 954 mti = TAILQ_FIRST(&mti->children); 955 else if ((next = TAILQ_NEXT(mti, entry)) != NULL) 956 mti = next; 957 else { 958 for (;;) { 959 mti = mti->parent; 960 if (mti == NULL) 961 break; 962 if ((next = TAILQ_NEXT(mti, entry)) != NULL) { 963 mti = next; 964 break; 965 } 966 } 967 } 968 if (mti == NULL) 969 mti = TAILQ_FIRST(&mtd->children); 970 if (mti == last) 971 break; 972 973 if (mtd->searchcb == NULL) { 974 if (!icase && strstr(mti->name, mtd->search) != NULL) 975 return (mti); 976 if (icase && strcasestr(mti->name, mtd->search) != NULL) 977 return (mti); 978 continue; 979 } 980 if (mtd->searchcb(mtd->modedata, mti->itemdata, mtd->search, 981 icase)) 982 return (mti); 983 } 984 return (NULL); 985 } 986 987 static void 988 mode_tree_search_set(struct mode_tree_data *mtd) 989 { 990 struct mode_tree_item *mti, *loop; 991 uint64_t tag; 992 993 if (mtd->search_dir == MODE_TREE_SEARCH_FORWARD) 994 mti = mode_tree_search_forward(mtd); 995 else 996 mti = mode_tree_search_backward(mtd); 997 if (mti == NULL) 998 return; 999 tag = mti->tag; 1000 1001 loop = mti->parent; 1002 while (loop != NULL) { 1003 loop->expanded = 1; 1004 loop = loop->parent; 1005 } 1006 1007 mode_tree_build(mtd); 1008 mode_tree_set_current(mtd, tag); 1009 mode_tree_draw(mtd); 1010 mtd->wp->flags |= PANE_REDRAW; 1011 } 1012 1013 static int 1014 mode_tree_search_callback(__unused struct client *c, void *data, const char *s, 1015 __unused int done) 1016 { 1017 struct mode_tree_data *mtd = data; 1018 1019 if (mtd->dead) 1020 return (0); 1021 1022 free(mtd->search); 1023 if (s == NULL || *s == '\0') { 1024 mtd->search = NULL; 1025 return (0); 1026 } 1027 mtd->search = xstrdup(s); 1028 mtd->search_icase = mode_tree_is_lowercase(s); 1029 mode_tree_search_set(mtd); 1030 1031 return (0); 1032 } 1033 1034 static void 1035 mode_tree_search_free(void *data) 1036 { 1037 mode_tree_remove_ref(data); 1038 } 1039 1040 static int 1041 mode_tree_filter_callback(__unused struct client *c, void *data, const char *s, 1042 __unused int done) 1043 { 1044 struct mode_tree_data *mtd = data; 1045 1046 if (mtd->dead) 1047 return (0); 1048 1049 if (mtd->filter != NULL) 1050 free(mtd->filter); 1051 if (s == NULL || *s == '\0') 1052 mtd->filter = NULL; 1053 else 1054 mtd->filter = xstrdup(s); 1055 1056 mode_tree_build(mtd); 1057 mode_tree_draw(mtd); 1058 mtd->wp->flags |= PANE_REDRAW; 1059 1060 return (0); 1061 } 1062 1063 static void 1064 mode_tree_filter_free(void *data) 1065 { 1066 mode_tree_remove_ref(data); 1067 } 1068 1069 static void 1070 mode_tree_menu_callback(__unused struct menu *menu, __unused u_int idx, 1071 key_code key, void *data) 1072 { 1073 struct mode_tree_menu *mtm = data; 1074 struct mode_tree_data *mtd = mtm->data; 1075 1076 if (mtd->dead || key == KEYC_NONE) 1077 goto out; 1078 1079 if (mtm->line >= mtd->line_size) 1080 goto out; 1081 mtd->current = mtm->line; 1082 mtd->menucb(mtd->modedata, mtm->c, key); 1083 1084 out: 1085 mode_tree_remove_ref(mtd); 1086 free(mtm); 1087 } 1088 1089 static void 1090 mode_tree_display_menu(struct mode_tree_data *mtd, struct client *c, u_int x, 1091 u_int y, int outside) 1092 { 1093 struct mode_tree_item *mti; 1094 struct menu *menu; 1095 const struct menu_item *items; 1096 struct mode_tree_menu *mtm; 1097 char *title; 1098 u_int line; 1099 1100 if (mtd->offset + y > mtd->line_size - 1) 1101 line = mtd->current; 1102 else 1103 line = mtd->offset + y; 1104 mti = mtd->line_list[line].item; 1105 1106 if (!outside) { 1107 items = mtd->menu; 1108 xasprintf(&title, "#[align=centre]%s", mti->name); 1109 } else { 1110 items = mode_tree_menu_items; 1111 title = xstrdup(""); 1112 } 1113 menu = menu_create(title); 1114 menu_add_items(menu, items, NULL, c, NULL); 1115 free(title); 1116 1117 mtm = xmalloc(sizeof *mtm); 1118 mtm->data = mtd; 1119 mtm->c = c; 1120 mtm->line = line; 1121 mtd->references++; 1122 1123 if (x >= (menu->width + 4) / 2) 1124 x -= (menu->width + 4) / 2; 1125 else 1126 x = 0; 1127 if (menu_display(menu, 0, 0, NULL, x, y, c, BOX_LINES_DEFAULT, NULL, 1128 NULL, NULL, NULL, mode_tree_menu_callback, mtm) != 0) { 1129 mode_tree_remove_ref(mtd); 1130 free(mtm); 1131 menu_free(menu); 1132 } 1133 } 1134 1135 int 1136 mode_tree_key(struct mode_tree_data *mtd, struct client *c, key_code *key, 1137 struct mouse_event *m, u_int *xp, u_int *yp) 1138 { 1139 struct mode_tree_line *line; 1140 struct mode_tree_item *current, *parent, *mti; 1141 u_int i, x, y; 1142 int choice; 1143 1144 if (KEYC_IS_MOUSE(*key) && m != NULL) { 1145 if (cmd_mouse_at(mtd->wp, m, &x, &y, 0) != 0) { 1146 *key = KEYC_NONE; 1147 return (0); 1148 } 1149 if (xp != NULL) 1150 *xp = x; 1151 if (yp != NULL) 1152 *yp = y; 1153 if (x > mtd->width || y > mtd->height) { 1154 if (*key == KEYC_MOUSEDOWN3_PANE) 1155 mode_tree_display_menu(mtd, c, x, y, 1); 1156 if (mtd->preview == MODE_TREE_PREVIEW_OFF) 1157 *key = KEYC_NONE; 1158 return (0); 1159 } 1160 if (mtd->offset + y < mtd->line_size) { 1161 if (*key == KEYC_MOUSEDOWN1_PANE || 1162 *key == KEYC_MOUSEDOWN3_PANE || 1163 *key == KEYC_DOUBLECLICK1_PANE) 1164 mtd->current = mtd->offset + y; 1165 if (*key == KEYC_DOUBLECLICK1_PANE) 1166 *key = '\r'; 1167 else { 1168 if (*key == KEYC_MOUSEDOWN3_PANE) 1169 mode_tree_display_menu(mtd, c, x, y, 0); 1170 *key = KEYC_NONE; 1171 } 1172 } else { 1173 if (*key == KEYC_MOUSEDOWN3_PANE) 1174 mode_tree_display_menu(mtd, c, x, y, 0); 1175 *key = KEYC_NONE; 1176 } 1177 return (0); 1178 } 1179 1180 line = &mtd->line_list[mtd->current]; 1181 current = line->item; 1182 1183 choice = -1; 1184 for (i = 0; i < mtd->line_size; i++) { 1185 if (*key == mtd->line_list[i].item->key) { 1186 choice = i; 1187 break; 1188 } 1189 } 1190 if (choice != -1) { 1191 if ((u_int)choice > mtd->line_size - 1) { 1192 *key = KEYC_NONE; 1193 return (0); 1194 } 1195 mtd->current = choice; 1196 *key = '\r'; 1197 return (0); 1198 } 1199 1200 switch (*key) { 1201 case 'q': 1202 case '\033': /* Escape */ 1203 case 'g'|KEYC_CTRL: 1204 return (1); 1205 case KEYC_UP: 1206 case 'k': 1207 case KEYC_WHEELUP_PANE: 1208 case 'p'|KEYC_CTRL: 1209 mode_tree_up(mtd, 1); 1210 break; 1211 case KEYC_DOWN: 1212 case 'j': 1213 case KEYC_WHEELDOWN_PANE: 1214 case 'n'|KEYC_CTRL: 1215 mode_tree_down(mtd, 1); 1216 break; 1217 case KEYC_UP|KEYC_SHIFT: 1218 case 'K': 1219 mode_tree_swap(mtd, -1); 1220 break; 1221 case KEYC_DOWN|KEYC_SHIFT: 1222 case 'J': 1223 mode_tree_swap(mtd, 1); 1224 break; 1225 case KEYC_PPAGE: 1226 case 'b'|KEYC_CTRL: 1227 for (i = 0; i < mtd->height; i++) { 1228 if (mtd->current == 0) 1229 break; 1230 mode_tree_up(mtd, 1); 1231 } 1232 break; 1233 case KEYC_NPAGE: 1234 case 'f'|KEYC_CTRL: 1235 for (i = 0; i < mtd->height; i++) { 1236 if (mtd->current == mtd->line_size - 1) 1237 break; 1238 mode_tree_down(mtd, 1); 1239 } 1240 break; 1241 case 'g': 1242 case KEYC_HOME: 1243 mtd->current = 0; 1244 mtd->offset = 0; 1245 break; 1246 case 'G': 1247 case KEYC_END: 1248 mtd->current = mtd->line_size - 1; 1249 if (mtd->current > mtd->height - 1) 1250 mtd->offset = mtd->current - mtd->height + 1; 1251 else 1252 mtd->offset = 0; 1253 break; 1254 case 't': 1255 /* 1256 * Do not allow parents and children to both be tagged: untag 1257 * all parents and children of current. 1258 */ 1259 if (current->no_tag) 1260 break; 1261 if (!current->tagged) { 1262 parent = current->parent; 1263 while (parent != NULL) { 1264 parent->tagged = 0; 1265 parent = parent->parent; 1266 } 1267 mode_tree_clear_tagged(¤t->children); 1268 current->tagged = 1; 1269 } else 1270 current->tagged = 0; 1271 if (m != NULL) 1272 mode_tree_down(mtd, 0); 1273 break; 1274 case 'T': 1275 for (i = 0; i < mtd->line_size; i++) 1276 mtd->line_list[i].item->tagged = 0; 1277 break; 1278 case 't'|KEYC_CTRL: 1279 for (i = 0; i < mtd->line_size; i++) { 1280 if ((mtd->line_list[i].item->parent == NULL && 1281 !mtd->line_list[i].item->no_tag) || 1282 (mtd->line_list[i].item->parent != NULL && 1283 mtd->line_list[i].item->parent->no_tag)) 1284 mtd->line_list[i].item->tagged = 1; 1285 else 1286 mtd->line_list[i].item->tagged = 0; 1287 } 1288 break; 1289 case 'O': 1290 mtd->sort_crit.field++; 1291 if (mtd->sort_crit.field >= mtd->sort_size) 1292 mtd->sort_crit.field = 0; 1293 mode_tree_build(mtd); 1294 break; 1295 case 'r': 1296 mtd->sort_crit.reversed = !mtd->sort_crit.reversed; 1297 mode_tree_build(mtd); 1298 break; 1299 case KEYC_LEFT: 1300 case 'h': 1301 case '-': 1302 if (line->flat || !current->expanded) 1303 current = current->parent; 1304 if (current == NULL) 1305 mode_tree_up(mtd, 0); 1306 else { 1307 current->expanded = 0; 1308 mtd->current = current->line; 1309 mode_tree_build(mtd); 1310 } 1311 break; 1312 case KEYC_RIGHT: 1313 case 'l': 1314 case '+': 1315 if (line->flat || current->expanded) 1316 mode_tree_down(mtd, 0); 1317 else if (!line->flat) { 1318 current->expanded = 1; 1319 mode_tree_build(mtd); 1320 } 1321 break; 1322 case '-'|KEYC_META: 1323 TAILQ_FOREACH(mti, &mtd->children, entry) 1324 mti->expanded = 0; 1325 mode_tree_build(mtd); 1326 break; 1327 case '+'|KEYC_META: 1328 TAILQ_FOREACH(mti, &mtd->children, entry) 1329 mti->expanded = 1; 1330 mode_tree_build(mtd); 1331 break; 1332 case '?': 1333 case '/': 1334 case 's'|KEYC_CTRL: 1335 mtd->references++; 1336 mtd->search_dir = MODE_TREE_SEARCH_FORWARD; 1337 status_prompt_set(c, NULL, "(search) ", "", 1338 mode_tree_search_callback, mode_tree_search_free, mtd, 1339 PROMPT_NOFORMAT, PROMPT_TYPE_SEARCH); 1340 break; 1341 case 'n': 1342 mtd->search_dir = MODE_TREE_SEARCH_FORWARD; 1343 mode_tree_search_set(mtd); 1344 break; 1345 case 'N': 1346 mtd->search_dir = MODE_TREE_SEARCH_BACKWARD; 1347 mode_tree_search_set(mtd); 1348 break; 1349 case 'f': 1350 mtd->references++; 1351 status_prompt_set(c, NULL, "(filter) ", mtd->filter, 1352 mode_tree_filter_callback, mode_tree_filter_free, mtd, 1353 PROMPT_NOFORMAT, PROMPT_TYPE_SEARCH); 1354 break; 1355 case 'v': 1356 switch (mtd->preview) { 1357 case MODE_TREE_PREVIEW_OFF: 1358 mtd->preview = MODE_TREE_PREVIEW_BIG; 1359 break; 1360 case MODE_TREE_PREVIEW_NORMAL: 1361 mtd->preview = MODE_TREE_PREVIEW_OFF; 1362 break; 1363 case MODE_TREE_PREVIEW_BIG: 1364 mtd->preview = MODE_TREE_PREVIEW_NORMAL; 1365 break; 1366 } 1367 mode_tree_build(mtd); 1368 if (mtd->preview != MODE_TREE_PREVIEW_OFF) 1369 mode_tree_check_selected(mtd); 1370 break; 1371 } 1372 return (0); 1373 } 1374 1375 void 1376 mode_tree_run_command(struct client *c, struct cmd_find_state *fs, 1377 const char *template, const char *name) 1378 { 1379 struct cmdq_state *state; 1380 char *command, *error; 1381 enum cmd_parse_status status; 1382 1383 command = cmd_template_replace(template, name, 1); 1384 if (command != NULL && *command != '\0') { 1385 state = cmdq_new_state(fs, NULL, 0); 1386 status = cmd_parse_and_append(command, NULL, c, state, &error); 1387 if (status == CMD_PARSE_ERROR) { 1388 if (c != NULL) { 1389 *error = toupper((u_char)*error); 1390 status_message_set(c, -1, 1, 0, 0, "%s", error); 1391 } 1392 free(error); 1393 } 1394 cmdq_free_state(state); 1395 } 1396 free(command); 1397 } 1398