1 /* 2 * $Id: fselect.c,v 1.87 2012/07/01 18:14:09 Zoltan.Kelemen Exp $ 3 * 4 * fselect.c -- implements the file-selector box 5 * 6 * Copyright 2000-2011,2012 Thomas E. Dickey 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU Lesser General Public License, version 2.1 10 * as published by the Free Software Foundation. 11 * 12 * This program is distributed in the hope that it will be useful, but 13 * WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with this program; if not, write to 19 * Free Software Foundation, Inc. 20 * 51 Franklin St., Fifth Floor 21 * Boston, MA 02110, USA. 22 */ 23 24 #include <dialog.h> 25 #include <dlg_keys.h> 26 27 #include <sys/types.h> 28 #include <sys/stat.h> 29 30 #if HAVE_DIRENT_H 31 # include <dirent.h> 32 # define NAMLEN(dirent) strlen((dirent)->d_name) 33 #else 34 # define dirent direct 35 # define NAMLEN(dirent) (dirent)->d_namlen 36 # if HAVE_SYS_NDIR_H 37 # include <sys/ndir.h> 38 # endif 39 # if HAVE_SYS_DIR_H 40 # include <sys/dir.h> 41 # endif 42 # if HAVE_NDIR_H 43 # include <ndir.h> 44 # endif 45 #endif 46 47 # if defined(_FILE_OFFSET_BITS) && defined(HAVE_STRUCT_DIRENT64) 48 # if !defined(_LP64) && (_FILE_OFFSET_BITS == 64) 49 # define DIRENT struct dirent64 50 # else 51 # define DIRENT struct dirent 52 # endif 53 # else 54 # define DIRENT struct dirent 55 # endif 56 57 #define EXT_WIDE 1 58 #define HDR_HIGH 1 59 #define BTN_HIGH (1 + 2 * MARGIN) /* Ok/Cancel, also input-box */ 60 #define MIN_HIGH (HDR_HIGH - MARGIN + (BTN_HIGH * 2) + 4 * MARGIN) 61 #define MIN_WIDE (2 * MAX(dlg_count_columns(d_label), dlg_count_columns(f_label)) + 6 * MARGIN + 2 * EXT_WIDE) 62 63 #define MOUSE_D (KEY_MAX + 0) 64 #define MOUSE_F (KEY_MAX + 10000) 65 #define MOUSE_T (KEY_MAX + 20000) 66 67 typedef enum { 68 sDIRS = -3 69 ,sFILES = -2 70 ,sTEXT = -1 71 } STATES; 72 73 typedef struct { 74 WINDOW *par; /* parent window */ 75 WINDOW *win; /* this window */ 76 int length; /* length of the data[] array */ 77 int offset; /* index of first item on screen */ 78 int choice; /* index of the selection */ 79 int mousex; /* base of mouse-code return-values */ 80 unsigned allocd; 81 char **data; 82 } LIST; 83 84 typedef struct { 85 int length; 86 char **data; 87 } MATCH; 88 89 static void 90 init_list(LIST * list, WINDOW *par, WINDOW *win, int mousex) 91 { 92 list->par = par; 93 list->win = win; 94 list->length = 0; 95 list->offset = 0; 96 list->choice = 0; 97 list->mousex = mousex; 98 list->allocd = 0; 99 list->data = 0; 100 dlg_mouse_mkbigregion(getbegy(win), getbegx(win), 101 getmaxy(win), getmaxx(win), 102 mousex, 1, 1, 1 /* by lines */ ); 103 } 104 105 static char * 106 leaf_of(char *path) 107 { 108 char *leaf = strrchr(path, '/'); 109 if (leaf != 0) 110 leaf++; 111 else 112 leaf = path; 113 return leaf; 114 } 115 116 static char * 117 data_of(LIST * list) 118 { 119 if (list != 0 120 && list->data != 0) 121 return list->data[list->choice]; 122 return 0; 123 } 124 125 static void 126 free_list(LIST * list, int reinit) 127 { 128 int n; 129 130 if (list->data != 0) { 131 for (n = 0; list->data[n] != 0; n++) 132 free(list->data[n]); 133 free(list->data); 134 list->data = 0; 135 } 136 if (reinit) 137 init_list(list, list->par, list->win, list->mousex); 138 } 139 140 static void 141 add_to_list(LIST * list, char *text) 142 { 143 unsigned need; 144 145 need = (unsigned) (list->length + 1); 146 if (need + 1 > list->allocd) { 147 list->allocd = 2 * (need + 1); 148 if (list->data == 0) { 149 list->data = dlg_malloc(char *, list->allocd); 150 } else { 151 list->data = dlg_realloc(char *, list->allocd, list->data); 152 } 153 assert_ptr(list->data, "add_to_list"); 154 } 155 list->data[list->length++] = dlg_strclone(text); 156 list->data[list->length] = 0; 157 } 158 159 static void 160 keep_visible(LIST * list) 161 { 162 int high = getmaxy(list->win); 163 164 if (list->choice < list->offset) { 165 list->offset = list->choice; 166 } 167 if (list->choice - list->offset >= high) 168 list->offset = list->choice - high + 1; 169 } 170 171 #define Value(c) (int)((c) & 0xff) 172 173 static int 174 find_choice(char *target, LIST * list) 175 { 176 int n; 177 int choice = list->choice; 178 int len_1, len_2, cmp_1, cmp_2; 179 180 if (*target == 0) { 181 list->choice = 0; 182 } else { 183 /* find the match with the longest length. If more than one has the 184 * same length, choose the one with the closest match of the final 185 * character. 186 */ 187 len_1 = 0; 188 cmp_1 = 256; 189 for (n = 0; n < list->length; n++) { 190 char *a = target; 191 char *b = list->data[n]; 192 193 len_2 = 0; 194 while ((*a != 0) && (*b != 0) && (*a == *b)) { 195 a++; 196 b++; 197 len_2++; 198 } 199 cmp_2 = Value(*a) - Value(*b); 200 if (cmp_2 < 0) 201 cmp_2 = -cmp_2; 202 if ((len_2 > len_1) 203 || (len_1 == len_2 && cmp_2 < cmp_1)) { 204 len_1 = len_2; 205 cmp_1 = cmp_2; 206 list->choice = n; 207 } 208 } 209 } 210 if (choice != list->choice) { 211 keep_visible(list); 212 } 213 return (choice != list->choice); 214 } 215 216 static void 217 display_list(LIST * list) 218 { 219 int n; 220 int x; 221 int y; 222 int top; 223 int bottom; 224 225 if (list->win != 0) { 226 dlg_attr_clear(list->win, getmaxy(list->win), getmaxx(list->win), item_attr); 227 for (n = list->offset; n < list->length && list->data[n]; n++) { 228 y = n - list->offset; 229 if (y >= getmaxy(list->win)) 230 break; 231 (void) wmove(list->win, y, 0); 232 if (n == list->choice) 233 (void) wattrset(list->win, item_selected_attr); 234 (void) waddstr(list->win, list->data[n]); 235 (void) wattrset(list->win, item_attr); 236 } 237 (void) wattrset(list->win, item_attr); 238 239 getparyx(list->win, y, x); 240 241 top = y - 1; 242 bottom = y + getmaxy(list->win); 243 dlg_draw_scrollbar(list->par, 244 (long) list->offset, 245 (long) list->offset, 246 (long) (list->offset + getmaxy(list->win)), 247 (long) (list->length), 248 x + 1, 249 x + getmaxx(list->win), 250 top, 251 bottom, 252 menubox_border2_attr, 253 menubox_border_attr); 254 255 (void) wmove(list->win, list->choice - list->offset, 0); 256 (void) wnoutrefresh(list->win); 257 } 258 } 259 260 /* FIXME: see arrows.c 261 * This workaround is used to allow two lists to have scroll-tabs at the same 262 * time, by reassigning their return-values to be different. Just for 263 * readability, we use the names of keys with similar connotations, though all 264 * that is really required is that they're distinct, so we can put them in a 265 * switch statement. 266 */ 267 static void 268 fix_arrows(LIST * list) 269 { 270 int x; 271 int y; 272 int top; 273 int right; 274 int bottom; 275 276 if (list->win != 0) { 277 getparyx(list->win, y, x); 278 top = y - 1; 279 right = getmaxx(list->win); 280 bottom = y + getmaxy(list->win); 281 282 mouse_mkbutton(top, x, right, 283 ((list->mousex == MOUSE_D) 284 ? KEY_PREVIOUS 285 : KEY_PPAGE)); 286 mouse_mkbutton(bottom, x, right, 287 ((list->mousex == MOUSE_D) 288 ? KEY_NEXT 289 : KEY_NPAGE)); 290 } 291 } 292 293 static int 294 show_list(char *target, LIST * list, int keep) 295 { 296 int changed = keep || find_choice(target, list); 297 display_list(list); 298 return changed; 299 } 300 301 /* 302 * Highlight the closest match to 'target' in the given list, setting offset 303 * to match. 304 */ 305 static int 306 show_both_lists(char *input, LIST * d_list, LIST * f_list, int keep) 307 { 308 char *leaf = leaf_of(input); 309 310 return show_list(leaf, d_list, keep) | show_list(leaf, f_list, keep); 311 } 312 313 /* 314 * Move up/down in the given list 315 */ 316 static bool 317 change_list(int choice, LIST * list) 318 { 319 if (data_of(list) != 0) { 320 int last = list->length - 1; 321 322 choice += list->choice; 323 if (choice < 0) 324 choice = 0; 325 if (choice > last) 326 choice = last; 327 list->choice = choice; 328 keep_visible(list); 329 display_list(list); 330 return TRUE; 331 } 332 return FALSE; 333 } 334 335 static void 336 scroll_list(int direction, LIST * list) 337 { 338 if (data_of(list) != 0) { 339 int length = getmaxy(list->win); 340 if (change_list(direction * length, list)) 341 return; 342 } 343 beep(); 344 } 345 346 static int 347 compar(const void *a, const void *b) 348 { 349 return strcmp(*(const char *const *) a, *(const char *const *) b); 350 } 351 352 static void 353 match(char *name, LIST * d_list, LIST * f_list, MATCH * match_list) 354 { 355 char *test = leaf_of(name); 356 size_t test_len = strlen(test); 357 char **matches = dlg_malloc(char *, (size_t) (d_list->length + f_list->length)); 358 size_t data_len = 0; 359 int i; 360 for (i = 2; i < d_list->length; i++) { 361 if (strncmp(test, d_list->data[i], test_len) == 0) { 362 matches[data_len++] = d_list->data[i]; 363 } 364 } 365 for (i = 0; i < f_list->length; i++) { 366 if (strncmp(test, f_list->data[i], test_len) == 0) { 367 matches[data_len++] = f_list->data[i]; 368 } 369 } 370 matches = dlg_realloc(char *, data_len, matches); 371 match_list->data = matches; 372 match_list->length = (int) data_len; 373 } 374 375 static void 376 free_match(MATCH * match_list) 377 { 378 free(match_list->data); 379 match_list->length = 0; 380 } 381 382 static int 383 complete(char *name, LIST * d_list, LIST * f_list, char **buff_ptr) 384 { 385 MATCH match_list; 386 char *test; 387 size_t test_len; 388 size_t i; 389 int j; 390 char *buff; 391 392 match(name, d_list, f_list, &match_list); 393 if (match_list.length == 0) { 394 *buff_ptr = NULL; 395 return 0; 396 } 397 398 test = match_list.data[0]; 399 test_len = strlen(test); 400 buff = dlg_malloc(char, test_len + 2); 401 if (match_list.length == 1) { 402 strcpy(buff, test); 403 i = test_len; 404 if (test == data_of(d_list)) { 405 buff[test_len] = '/'; 406 i++; 407 } 408 } else { 409 for (i = 0; i < test_len; i++) { 410 char test_char = test[i]; 411 if (test_char == '\0') 412 break; 413 for (j = 0; j < match_list.length; j++) { 414 if (match_list.data[j][i] != test_char) { 415 break; 416 } 417 } 418 if (j == match_list.length) { 419 (buff)[i] = test_char; 420 } else 421 break; 422 } 423 buff = dlg_realloc(char, i + 1, buff); 424 } 425 free_match(&match_list); 426 buff[i] = '\0'; 427 *buff_ptr = buff; 428 return (i != 0); 429 } 430 431 static bool 432 fill_lists(char *current, char *input, LIST * d_list, LIST * f_list, int keep) 433 { 434 bool result = TRUE; 435 bool rescan = FALSE; 436 DIR *dp; 437 DIRENT *de; 438 struct stat sb; 439 int n; 440 char path[MAX_LEN + 1]; 441 char *leaf; 442 443 /* check if we've updated the lists */ 444 for (n = 0; current[n] && input[n]; n++) { 445 if (current[n] != input[n]) 446 break; 447 } 448 449 if (current[n] == input[n]) { 450 result = FALSE; 451 rescan = (n == 0 && d_list->length == 0); 452 } else if (strchr(current + n, '/') == 0 453 && strchr(input + n, '/') == 0) { 454 result = show_both_lists(input, d_list, f_list, keep); 455 } else { 456 rescan = TRUE; 457 } 458 459 if (rescan) { 460 461 strcpy(current, input); 462 463 /* refill the lists */ 464 free_list(d_list, TRUE); 465 free_list(f_list, TRUE); 466 strcpy(path, current); 467 if ((leaf = strrchr(path, '/')) != 0) { 468 *++leaf = 0; 469 } else { 470 strcpy(path, "./"); 471 leaf = path + strlen(path); 472 } 473 dlg_trace_msg("opendir '%s'\n", path); 474 if ((dp = opendir(path)) != 0) { 475 while ((de = readdir(dp)) != 0) { 476 strncpy(leaf, de->d_name, NAMLEN(de))[NAMLEN(de)] = 0; 477 if (stat(path, &sb) == 0) { 478 if ((sb.st_mode & S_IFMT) == S_IFDIR) 479 add_to_list(d_list, leaf); 480 else if (f_list->win) 481 add_to_list(f_list, leaf); 482 } 483 } 484 (void) closedir(dp); 485 /* sort the lists */ 486 qsort(d_list->data, 487 (size_t) d_list->length, 488 sizeof(d_list->data[0]), 489 compar); 490 qsort(f_list->data, 491 (size_t) f_list->length, 492 sizeof(f_list->data[0]), 493 compar); 494 } 495 496 (void) show_both_lists(input, d_list, f_list, FALSE); 497 d_list->offset = d_list->choice; 498 f_list->offset = f_list->choice; 499 result = TRUE; 500 } 501 return result; 502 } 503 504 static bool 505 usable_state(int state, LIST * dirs, LIST * files) 506 { 507 bool result; 508 509 switch (state) { 510 case sDIRS: 511 result = (dirs->win != 0) && (data_of(dirs) != 0); 512 break; 513 case sFILES: 514 result = (files->win != 0) && (data_of(files) != 0); 515 break; 516 default: 517 result = TRUE; 518 break; 519 } 520 return result; 521 } 522 523 #define which_list() ((state == sFILES) \ 524 ? &f_list \ 525 : ((state == sDIRS) \ 526 ? &d_list \ 527 : 0)) 528 #define NAVIGATE_BINDINGS \ 529 DLG_KEYS_DATA( DLGK_FIELD_NEXT, KEY_RIGHT ), \ 530 DLG_KEYS_DATA( DLGK_FIELD_NEXT, TAB ), \ 531 DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_BTAB ), \ 532 DLG_KEYS_DATA( DLGK_ITEM_NEXT, KEY_DOWN ), \ 533 DLG_KEYS_DATA( DLGK_ITEM_NEXT, CHR_NEXT ), \ 534 DLG_KEYS_DATA( DLGK_ITEM_NEXT, KEY_NEXT ), \ 535 DLG_KEYS_DATA( DLGK_ITEM_PREV, CHR_PREVIOUS ), \ 536 DLG_KEYS_DATA( DLGK_ITEM_PREV, KEY_UP ), \ 537 DLG_KEYS_DATA( DLGK_PAGE_NEXT, KEY_NPAGE ), \ 538 DLG_KEYS_DATA( DLGK_PAGE_PREV, KEY_PPAGE ) 539 540 /* 541 * Display a dialog box for entering a filename 542 */ 543 static int 544 dlg_fselect(const char *title, const char *path, int height, int width, int dselect) 545 { 546 /* *INDENT-OFF* */ 547 static DLG_KEYS_BINDING binding[] = { 548 HELPKEY_BINDINGS, 549 ENTERKEY_BINDINGS, 550 NAVIGATE_BINDINGS, 551 END_KEYS_BINDING 552 }; 553 static DLG_KEYS_BINDING binding2[] = { 554 INPUTSTR_BINDINGS, 555 HELPKEY_BINDINGS, 556 ENTERKEY_BINDINGS, 557 NAVIGATE_BINDINGS, 558 END_KEYS_BINDING 559 }; 560 /* *INDENT-ON* */ 561 562 #ifdef KEY_RESIZE 563 int old_height = height; 564 int old_width = width; 565 bool resized = FALSE; 566 #endif 567 int tbox_y, tbox_x, tbox_width, tbox_height; 568 int dbox_y, dbox_x, dbox_width, dbox_height; 569 int fbox_y, fbox_x, fbox_width, fbox_height; 570 int show_buttons = TRUE; 571 int offset = 0; 572 int key = 0; 573 int fkey = FALSE; 574 int code; 575 int result = DLG_EXIT_UNKNOWN; 576 int state = dialog_vars.default_button >=0 ? dlg_default_button() : sTEXT; 577 int button; 578 int first = (state == sTEXT); 579 int first_trace = TRUE; 580 char *input; 581 char *completed; 582 char current[MAX_LEN + 1]; 583 WINDOW *dialog = 0; 584 WINDOW *w_text = 0; 585 WINDOW *w_work = 0; 586 const char **buttons = dlg_ok_labels(); 587 const char *d_label = _("Directories"); 588 const char *f_label = _("Files"); 589 char *partial; 590 int min_wide = MIN_WIDE; 591 int min_items = height ? 0 : 4; 592 LIST d_list, f_list; 593 594 dlg_does_output(); 595 596 /* Set up the initial value */ 597 input = dlg_set_result(path); 598 offset = (int) strlen(input); 599 *current = 0; 600 601 dlg_button_layout(buttons, &min_wide); 602 603 #ifdef KEY_RESIZE 604 retry: 605 #endif 606 dlg_auto_size(title, (char *) 0, &height, &width, 6, 25); 607 height += MIN_HIGH + min_items; 608 if (width < min_wide) 609 width = min_wide; 610 dlg_print_size(height, width); 611 dlg_ctl_size(height, width); 612 613 dialog = dlg_new_window(height, width, 614 dlg_box_y_ordinate(height), 615 dlg_box_x_ordinate(width)); 616 dlg_register_window(dialog, "fselect", binding); 617 dlg_register_buttons(dialog, "fselect", buttons); 618 619 dlg_mouse_setbase(0, 0); 620 621 dlg_draw_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr); 622 dlg_draw_bottom_box2(dialog, border_attr, border2_attr, dialog_attr); 623 dlg_draw_title(dialog, title); 624 625 (void) wattrset(dialog, dialog_attr); 626 627 /* Draw the input field box */ 628 tbox_height = 1; 629 tbox_width = width - (4 * MARGIN + 2); 630 tbox_y = height - (BTN_HIGH * 2) + MARGIN; 631 tbox_x = (width - tbox_width) / 2; 632 633 w_text = derwin(dialog, tbox_height, tbox_width, tbox_y, tbox_x); 634 if (w_text == 0) 635 return DLG_EXIT_ERROR; 636 637 (void) keypad(w_text, TRUE); 638 dlg_draw_box(dialog, tbox_y - MARGIN, tbox_x - MARGIN, 639 (2 * MARGIN + 1), tbox_width + (MARGIN + EXT_WIDE), 640 menubox_border_attr, menubox_border2_attr); 641 dlg_mouse_mkbigregion(getbegy(dialog) + tbox_y - MARGIN, 642 getbegx(dialog) + tbox_x - MARGIN, 643 1 + (2 * MARGIN), 644 tbox_width + (MARGIN + EXT_WIDE), 645 MOUSE_T, 1, 1, 3 /* doesn't matter */ ); 646 647 dlg_register_window(w_text, "fselect2", binding2); 648 649 /* Draw the directory listing box */ 650 if (dselect) 651 dbox_width = (width - (6 * MARGIN)); 652 else 653 dbox_width = (width - (6 * MARGIN + 2 * EXT_WIDE)) / 2; 654 dbox_height = height - MIN_HIGH; 655 dbox_y = (2 * MARGIN + 1); 656 dbox_x = tbox_x; 657 658 w_work = derwin(dialog, dbox_height, dbox_width, dbox_y, dbox_x); 659 if (w_work == 0) 660 return DLG_EXIT_ERROR; 661 662 (void) keypad(w_work, TRUE); 663 (void) mvwaddstr(dialog, dbox_y - (MARGIN + 1), dbox_x - MARGIN, d_label); 664 dlg_draw_box(dialog, 665 dbox_y - MARGIN, dbox_x - MARGIN, 666 dbox_height + (MARGIN + 1), dbox_width + (MARGIN + 1), 667 menubox_border_attr, menubox_border2_attr); 668 init_list(&d_list, dialog, w_work, MOUSE_D); 669 670 if (!dselect) { 671 /* Draw the filename listing box */ 672 fbox_height = dbox_height; 673 fbox_width = dbox_width; 674 fbox_y = dbox_y; 675 fbox_x = tbox_x + dbox_width + (2 * MARGIN); 676 677 w_work = derwin(dialog, fbox_height, fbox_width, fbox_y, fbox_x); 678 if (w_work == 0) 679 return DLG_EXIT_ERROR; 680 681 (void) keypad(w_work, TRUE); 682 (void) mvwaddstr(dialog, fbox_y - (MARGIN + 1), fbox_x - MARGIN, f_label); 683 dlg_draw_box(dialog, 684 fbox_y - MARGIN, fbox_x - MARGIN, 685 fbox_height + (MARGIN + 1), fbox_width + (MARGIN + 1), 686 menubox_border_attr, menubox_border2_attr); 687 init_list(&f_list, dialog, w_work, MOUSE_F); 688 } else { 689 memset(&f_list, 0, sizeof(f_list)); 690 } 691 692 while (result == DLG_EXIT_UNKNOWN) { 693 694 if (fill_lists(current, input, &d_list, &f_list, state < sTEXT)) 695 show_buttons = TRUE; 696 697 #ifdef KEY_RESIZE 698 if (resized) { 699 resized = FALSE; 700 dlg_show_string(w_text, input, offset, inputbox_attr, 701 0, 0, tbox_width, (bool) 0, (bool) first); 702 } 703 #endif 704 705 /* 706 * The last field drawn determines where the cursor is shown: 707 */ 708 if (show_buttons) { 709 show_buttons = FALSE; 710 button = (state < 0) ? 0 : state; 711 dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width); 712 } 713 714 if (first_trace) { 715 first_trace = FALSE; 716 dlg_trace_win(dialog); 717 } 718 719 if (state < 0) { 720 switch (state) { 721 case sTEXT: 722 dlg_set_focus(dialog, w_text); 723 break; 724 case sFILES: 725 dlg_set_focus(dialog, f_list.win); 726 break; 727 case sDIRS: 728 dlg_set_focus(dialog, d_list.win); 729 break; 730 } 731 } 732 733 if (first) { 734 (void) wrefresh(dialog); 735 } else { 736 fix_arrows(&d_list); 737 fix_arrows(&f_list); 738 key = dlg_mouse_wgetch((state == sTEXT) ? w_text : dialog, &fkey); 739 if (dlg_result_key(key, fkey, &result)) 740 break; 741 } 742 743 if (!fkey && key == ' ') { 744 key = DLGK_SELECT; 745 fkey = TRUE; 746 } 747 748 if (fkey) { 749 switch (key) { 750 case DLGK_MOUSE(KEY_PREVIOUS): 751 state = sDIRS; 752 scroll_list(-1, which_list()); 753 continue; 754 case DLGK_MOUSE(KEY_NEXT): 755 state = sDIRS; 756 scroll_list(1, which_list()); 757 continue; 758 case DLGK_MOUSE(KEY_PPAGE): 759 state = sFILES; 760 scroll_list(-1, which_list()); 761 continue; 762 case DLGK_MOUSE(KEY_NPAGE): 763 state = sFILES; 764 scroll_list(1, which_list()); 765 continue; 766 case DLGK_PAGE_PREV: 767 scroll_list(-1, which_list()); 768 continue; 769 case DLGK_PAGE_NEXT: 770 scroll_list(1, which_list()); 771 continue; 772 case DLGK_ITEM_PREV: 773 if (change_list(-1, which_list())) 774 continue; 775 /* FALLTHRU */ 776 case DLGK_FIELD_PREV: 777 show_buttons = TRUE; 778 do { 779 state = dlg_prev_ok_buttonindex(state, sDIRS); 780 } while (!usable_state(state, &d_list, &f_list)); 781 continue; 782 case DLGK_ITEM_NEXT: 783 if (change_list(1, which_list())) 784 continue; 785 /* FALLTHRU */ 786 case DLGK_FIELD_NEXT: 787 show_buttons = TRUE; 788 do { 789 state = dlg_next_ok_buttonindex(state, sDIRS); 790 } while (!usable_state(state, &d_list, &f_list)); 791 continue; 792 case DLGK_SELECT: 793 completed = 0; 794 partial = 0; 795 if (state == sFILES && !dselect) { 796 completed = data_of(&f_list); 797 } else if (state == sDIRS) { 798 completed = data_of(&d_list); 799 } else { 800 if (complete(input, &d_list, &f_list, &partial)) { 801 completed = partial; 802 } 803 } 804 if (completed != 0) { 805 state = sTEXT; 806 show_buttons = TRUE; 807 strcpy(leaf_of(input), completed); 808 offset = (int) strlen(input); 809 dlg_show_string(w_text, input, offset, inputbox_attr, 810 0, 0, tbox_width, 0, first); 811 if (partial != NULL) 812 free(partial); 813 continue; 814 } else { /* if (state < sTEXT) */ 815 (void) beep(); 816 continue; 817 } 818 /* FALLTHRU */ 819 case DLGK_ENTER: 820 result = (state > 0) ? dlg_enter_buttoncode(state) : DLG_EXIT_OK; 821 continue; 822 #ifdef KEY_RESIZE 823 case KEY_RESIZE: 824 /* reset data */ 825 height = old_height; 826 width = old_width; 827 show_buttons = TRUE; 828 *current = 0; 829 resized = TRUE; 830 /* repaint */ 831 dlg_clear(); 832 dlg_del_window(dialog); 833 refresh(); 834 dlg_mouse_free_regions(); 835 goto retry; 836 #endif 837 default: 838 if (key >= DLGK_MOUSE(MOUSE_T)) { 839 state = sTEXT; 840 continue; 841 } else if (key >= DLGK_MOUSE(MOUSE_F)) { 842 if (f_list.win != 0) { 843 state = sFILES; 844 f_list.choice = (key - DLGK_MOUSE(MOUSE_F)) + f_list.offset; 845 display_list(&f_list); 846 } 847 continue; 848 } else if (key >= DLGK_MOUSE(MOUSE_D)) { 849 if (d_list.win != 0) { 850 state = sDIRS; 851 d_list.choice = (key - DLGK_MOUSE(MOUSE_D)) + d_list.offset; 852 display_list(&d_list); 853 } 854 continue; 855 } else if (is_DLGK_MOUSE(key) 856 && (code = dlg_ok_buttoncode(key - M_EVENT)) >= 0) { 857 result = code; 858 continue; 859 } 860 break; 861 } 862 } 863 864 if (state < 0) { /* Input box selected if we're editing */ 865 int edit = dlg_edit_string(input, &offset, key, fkey, first); 866 867 if (edit) { 868 dlg_show_string(w_text, input, offset, inputbox_attr, 869 0, 0, tbox_width, 0, first); 870 first = FALSE; 871 state = sTEXT; 872 } 873 } else if (state >= 0 && 874 (code = dlg_char_to_button(key, buttons)) >= 0) { 875 result = dlg_ok_buttoncode(code); 876 break; 877 } 878 } 879 880 dlg_unregister_window(w_text); 881 dlg_del_window(dialog); 882 dlg_mouse_free_regions(); 883 free_list(&d_list, FALSE); 884 free_list(&f_list, FALSE); 885 return result; 886 } 887 888 /* 889 * Display a dialog box for entering a filename 890 */ 891 int 892 dialog_fselect(const char *title, const char *path, int height, int width) 893 { 894 return dlg_fselect(title, path, height, width, FALSE); 895 } 896 897 /* 898 * Display a dialog box for entering a directory 899 */ 900 int 901 dialog_dselect(const char *title, const char *path, int height, int width) 902 { 903 return dlg_fselect(title, path, height, width, TRUE); 904 } 905