1/* 2 * $Id: fselect.c,v 1.93 2012/12/30 20:52:25 tom 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 67typedef enum { 68 sDIRS = -3 69 ,sFILES = -2 70 ,sTEXT = -1 71} STATES; 72 73typedef 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 84typedef struct { 85 int length; 86 char **data; 87} MATCH; 88 89static void 90init_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 105static char * 106leaf_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 116static char * 117data_of(LIST * list) 118{ 119 if (list != 0 120 && list->data != 0) 121 return list->data[list->choice]; 122 return 0; 123} 124 125static void 126free_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 140static void 141add_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 159static void 160keep_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 173static int 174find_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 216static void 217display_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 */ 267static void 268fix_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 293static int 294show_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 */ 305static int 306show_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 */ 316static bool 317change_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 335static void 336scroll_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 346static int 347compar(const void *a, const void *b) 348{ 349 return strcmp(*(const char *const *) a, *(const char *const *) b); 350} 351 352static void 353match(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 + 1, matches); 371 match_list->data = matches; 372 match_list->length = (int) data_len; 373} 374 375static void 376free_match(MATCH * match_list) 377{ 378 free(match_list->data); 379 match_list->length = 0; 380} 381 382static int 383complete(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 431static bool 432fill_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 size_t have = strlen(input); 461 462 if (have > MAX_LEN) 463 have = MAX_LEN; 464 memcpy(current, input, have); 465 current[have] = '\0'; 466 467 /* refill the lists */ 468 free_list(d_list, TRUE); 469 free_list(f_list, TRUE); 470 memcpy(path, current, have); 471 path[have] = '\0'; 472 if ((leaf = strrchr(path, '/')) != 0) { 473 *++leaf = 0; 474 } else { 475 strcpy(path, "./"); 476 leaf = path + strlen(path); 477 } 478 dlg_trace_msg("opendir '%s'\n", path); 479 if ((dp = opendir(path)) != 0) { 480 while ((de = readdir(dp)) != 0) { 481 strncpy(leaf, de->d_name, NAMLEN(de))[NAMLEN(de)] = 0; 482 if (stat(path, &sb) == 0) { 483 if ((sb.st_mode & S_IFMT) == S_IFDIR) 484 add_to_list(d_list, leaf); 485 else if (f_list->win) 486 add_to_list(f_list, leaf); 487 } 488 } 489 (void) closedir(dp); 490 /* sort the lists */ 491 if (d_list->data != 0 && d_list->length > 1) { 492 qsort(d_list->data, 493 (size_t) d_list->length, 494 sizeof(d_list->data[0]), 495 compar); 496 } 497 if (f_list->data != 0 && f_list->length > 1) { 498 qsort(f_list->data, 499 (size_t) f_list->length, 500 sizeof(f_list->data[0]), 501 compar); 502 } 503 } 504 505 (void) show_both_lists(input, d_list, f_list, FALSE); 506 d_list->offset = d_list->choice; 507 f_list->offset = f_list->choice; 508 result = TRUE; 509 } 510 return result; 511} 512 513static bool 514usable_state(int state, LIST * dirs, LIST * files) 515{ 516 bool result; 517 518 switch (state) { 519 case sDIRS: 520 result = (dirs->win != 0) && (data_of(dirs) != 0); 521 break; 522 case sFILES: 523 result = (files->win != 0) && (data_of(files) != 0); 524 break; 525 default: 526 result = TRUE; 527 break; 528 } 529 return result; 530} 531 532#define which_list() ((state == sFILES) \ 533 ? &f_list \ 534 : ((state == sDIRS) \ 535 ? &d_list \ 536 : 0)) 537#define NAVIGATE_BINDINGS \ 538 DLG_KEYS_DATA( DLGK_FIELD_NEXT, KEY_RIGHT ), \ 539 DLG_KEYS_DATA( DLGK_FIELD_NEXT, TAB ), \ 540 DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_BTAB ), \ 541 DLG_KEYS_DATA( DLGK_ITEM_NEXT, KEY_DOWN ), \ 542 DLG_KEYS_DATA( DLGK_ITEM_NEXT, CHR_NEXT ), \ 543 DLG_KEYS_DATA( DLGK_ITEM_NEXT, KEY_NEXT ), \ 544 DLG_KEYS_DATA( DLGK_ITEM_PREV, CHR_PREVIOUS ), \ 545 DLG_KEYS_DATA( DLGK_ITEM_PREV, KEY_UP ), \ 546 DLG_KEYS_DATA( DLGK_PAGE_NEXT, KEY_NPAGE ), \ 547 DLG_KEYS_DATA( DLGK_PAGE_PREV, KEY_PPAGE ) 548 549/* 550 * Display a dialog box for entering a filename 551 */ 552static int 553dlg_fselect(const char *title, const char *path, int height, int width, int dselect) 554{ 555 /* *INDENT-OFF* */ 556 static DLG_KEYS_BINDING binding[] = { 557 HELPKEY_BINDINGS, 558 ENTERKEY_BINDINGS, 559 NAVIGATE_BINDINGS, 560 END_KEYS_BINDING 561 }; 562 static DLG_KEYS_BINDING binding2[] = { 563 INPUTSTR_BINDINGS, 564 HELPKEY_BINDINGS, 565 ENTERKEY_BINDINGS, 566 NAVIGATE_BINDINGS, 567 END_KEYS_BINDING 568 }; 569 /* *INDENT-ON* */ 570 571#ifdef KEY_RESIZE 572 int old_height = height; 573 int old_width = width; 574 bool resized = FALSE; 575#endif 576 int tbox_y, tbox_x, tbox_width, tbox_height; 577 int dbox_y, dbox_x, dbox_width, dbox_height; 578 int fbox_y, fbox_x, fbox_width, fbox_height; 579 int show_buttons = TRUE; 580 int offset = 0; 581 int key = 0; 582 int fkey = FALSE; 583 int code; 584 int result = DLG_EXIT_UNKNOWN; 585 int state = dialog_vars.default_button >= 0 ? dlg_default_button() : sTEXT; 586 int button; 587 int first = (state == sTEXT); 588 int first_trace = TRUE; 589 char *input; 590 char *completed; 591 char current[MAX_LEN + 1]; 592 WINDOW *dialog = 0; 593 WINDOW *w_text = 0; 594 WINDOW *w_work = 0; 595 const char **buttons = dlg_ok_labels(); 596 const char *d_label = _("Directories"); 597 const char *f_label = _("Files"); 598 char *partial = 0; 599 int min_wide = MIN_WIDE; 600 int min_items = height ? 0 : 4; 601 LIST d_list, f_list; 602 603 dlg_does_output(); 604 605 /* Set up the initial value */ 606 input = dlg_set_result(path); 607 offset = (int) strlen(input); 608 *current = 0; 609 610 dlg_button_layout(buttons, &min_wide); 611 612#ifdef KEY_RESIZE 613 retry: 614#endif 615 dlg_auto_size(title, (char *) 0, &height, &width, 6, 25); 616 height += MIN_HIGH + min_items; 617 if (width < min_wide) 618 width = min_wide; 619 dlg_print_size(height, width); 620 dlg_ctl_size(height, width); 621 622 dialog = dlg_new_window(height, width, 623 dlg_box_y_ordinate(height), 624 dlg_box_x_ordinate(width)); 625 dlg_register_window(dialog, "fselect", binding); 626 dlg_register_buttons(dialog, "fselect", buttons); 627 628 dlg_mouse_setbase(0, 0); 629 630 dlg_draw_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr); 631 dlg_draw_bottom_box2(dialog, border_attr, border2_attr, dialog_attr); 632 dlg_draw_title(dialog, title); 633 634 (void) wattrset(dialog, dialog_attr); 635 636 /* Draw the input field box */ 637 tbox_height = 1; 638 tbox_width = width - (4 * MARGIN + 2); 639 tbox_y = height - (BTN_HIGH * 2) + MARGIN; 640 tbox_x = (width - tbox_width) / 2; 641 642 w_text = derwin(dialog, tbox_height, tbox_width, tbox_y, tbox_x); 643 if (w_text == 0) { 644 result = DLG_EXIT_ERROR; 645 goto finish; 646 } 647 648 (void) keypad(w_text, TRUE); 649 dlg_draw_box(dialog, tbox_y - MARGIN, tbox_x - MARGIN, 650 (2 * MARGIN + 1), tbox_width + (MARGIN + EXT_WIDE), 651 menubox_border_attr, menubox_border2_attr); 652 dlg_mouse_mkbigregion(getbegy(dialog) + tbox_y - MARGIN, 653 getbegx(dialog) + tbox_x - MARGIN, 654 1 + (2 * MARGIN), 655 tbox_width + (MARGIN + EXT_WIDE), 656 MOUSE_T, 1, 1, 3 /* doesn't matter */ ); 657 658 dlg_register_window(w_text, "fselect2", binding2); 659 660 /* Draw the directory listing box */ 661 if (dselect) 662 dbox_width = (width - (6 * MARGIN)); 663 else 664 dbox_width = (width - (6 * MARGIN + 2 * EXT_WIDE)) / 2; 665 dbox_height = height - MIN_HIGH; 666 dbox_y = (2 * MARGIN + 1); 667 dbox_x = tbox_x; 668 669 w_work = derwin(dialog, dbox_height, dbox_width, dbox_y, dbox_x); 670 if (w_work == 0) { 671 result = DLG_EXIT_ERROR; 672 goto finish; 673 } 674 675 (void) keypad(w_work, TRUE); 676 (void) mvwaddstr(dialog, dbox_y - (MARGIN + 1), dbox_x - MARGIN, d_label); 677 dlg_draw_box(dialog, 678 dbox_y - MARGIN, dbox_x - MARGIN, 679 dbox_height + (MARGIN + 1), dbox_width + (MARGIN + 1), 680 menubox_border_attr, menubox_border2_attr); 681 init_list(&d_list, dialog, w_work, MOUSE_D); 682 683 if (!dselect) { 684 /* Draw the filename listing box */ 685 fbox_height = dbox_height; 686 fbox_width = dbox_width; 687 fbox_y = dbox_y; 688 fbox_x = tbox_x + dbox_width + (2 * MARGIN); 689 690 w_work = derwin(dialog, fbox_height, fbox_width, fbox_y, fbox_x); 691 if (w_work == 0) { 692 result = DLG_EXIT_ERROR; 693 goto finish; 694 } 695 696 (void) keypad(w_work, TRUE); 697 (void) mvwaddstr(dialog, fbox_y - (MARGIN + 1), fbox_x - MARGIN, f_label); 698 dlg_draw_box(dialog, 699 fbox_y - MARGIN, fbox_x - MARGIN, 700 fbox_height + (MARGIN + 1), fbox_width + (MARGIN + 1), 701 menubox_border_attr, menubox_border2_attr); 702 init_list(&f_list, dialog, w_work, MOUSE_F); 703 } else { 704 memset(&f_list, 0, sizeof(f_list)); 705 } 706 707 while (result == DLG_EXIT_UNKNOWN) { 708 709 if (fill_lists(current, input, &d_list, &f_list, state < sTEXT)) 710 show_buttons = TRUE; 711 712#ifdef KEY_RESIZE 713 if (resized) { 714 resized = FALSE; 715 dlg_show_string(w_text, input, offset, inputbox_attr, 716 0, 0, tbox_width, (bool) 0, (bool) first); 717 } 718#endif 719 720 /* 721 * The last field drawn determines where the cursor is shown: 722 */ 723 if (show_buttons) { 724 show_buttons = FALSE; 725 button = (state < 0) ? 0 : state; 726 dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width); 727 } 728 729 if (first_trace) { 730 first_trace = FALSE; 731 dlg_trace_win(dialog); 732 } 733 734 if (state < 0) { 735 switch (state) { 736 case sTEXT: 737 dlg_set_focus(dialog, w_text); 738 break; 739 case sFILES: 740 dlg_set_focus(dialog, f_list.win); 741 break; 742 case sDIRS: 743 dlg_set_focus(dialog, d_list.win); 744 break; 745 } 746 } 747 748 if (first) { 749 (void) wrefresh(dialog); 750 } else { 751 fix_arrows(&d_list); 752 fix_arrows(&f_list); 753 key = dlg_mouse_wgetch((state == sTEXT) ? w_text : dialog, &fkey); 754 if (dlg_result_key(key, fkey, &result)) 755 break; 756 } 757 758 if (!fkey && key == ' ') { 759 key = DLGK_SELECT; 760 fkey = TRUE; 761 } 762 763 if (fkey) { 764 switch (key) { 765 case DLGK_MOUSE(KEY_PREVIOUS): 766 state = sDIRS; 767 scroll_list(-1, which_list()); 768 continue; 769 case DLGK_MOUSE(KEY_NEXT): 770 state = sDIRS; 771 scroll_list(1, which_list()); 772 continue; 773 case DLGK_MOUSE(KEY_PPAGE): 774 state = sFILES; 775 scroll_list(-1, which_list()); 776 continue; 777 case DLGK_MOUSE(KEY_NPAGE): 778 state = sFILES; 779 scroll_list(1, which_list()); 780 continue; 781 case DLGK_PAGE_PREV: 782 scroll_list(-1, which_list()); 783 continue; 784 case DLGK_PAGE_NEXT: 785 scroll_list(1, which_list()); 786 continue; 787 case DLGK_ITEM_PREV: 788 if (change_list(-1, which_list())) 789 continue; 790 /* FALLTHRU */ 791 case DLGK_FIELD_PREV: 792 show_buttons = TRUE; 793 do { 794 state = dlg_prev_ok_buttonindex(state, sDIRS); 795 } while (!usable_state(state, &d_list, &f_list)); 796 continue; 797 case DLGK_ITEM_NEXT: 798 if (change_list(1, which_list())) 799 continue; 800 /* FALLTHRU */ 801 case DLGK_FIELD_NEXT: 802 show_buttons = TRUE; 803 do { 804 state = dlg_next_ok_buttonindex(state, sDIRS); 805 } while (!usable_state(state, &d_list, &f_list)); 806 continue; 807 case DLGK_SELECT: 808 completed = 0; 809 if (partial != 0) { 810 free(partial); 811 partial = 0; 812 } 813 if (state == sFILES && !dselect) { 814 completed = data_of(&f_list); 815 } else if (state == sDIRS) { 816 completed = data_of(&d_list); 817 } else { 818 if (complete(input, &d_list, &f_list, &partial)) { 819 completed = partial; 820 } 821 } 822 if (completed != 0) { 823 state = sTEXT; 824 show_buttons = TRUE; 825 strcpy(leaf_of(input), completed); 826 offset = (int) strlen(input); 827 dlg_show_string(w_text, input, offset, inputbox_attr, 828 0, 0, tbox_width, 0, first); 829 if (partial != NULL) { 830 free(partial); 831 partial = 0; 832 } 833 continue; 834 } else { /* if (state < sTEXT) */ 835 (void) beep(); 836 continue; 837 } 838 /* FALLTHRU */ 839 case DLGK_ENTER: 840 result = (state > 0) ? dlg_enter_buttoncode(state) : DLG_EXIT_OK; 841 continue; 842#ifdef KEY_RESIZE 843 case KEY_RESIZE: 844 /* reset data */ 845 height = old_height; 846 width = old_width; 847 show_buttons = TRUE; 848 *current = 0; 849 resized = TRUE; 850 /* repaint */ 851 dlg_clear(); 852 dlg_del_window(dialog); 853 refresh(); 854 dlg_mouse_free_regions(); 855 goto retry; 856#endif 857 default: 858 if (key >= DLGK_MOUSE(MOUSE_T)) { 859 state = sTEXT; 860 continue; 861 } else if (key >= DLGK_MOUSE(MOUSE_F)) { 862 if (f_list.win != 0) { 863 state = sFILES; 864 f_list.choice = (key - DLGK_MOUSE(MOUSE_F)) + f_list.offset; 865 display_list(&f_list); 866 } 867 continue; 868 } else if (key >= DLGK_MOUSE(MOUSE_D)) { 869 if (d_list.win != 0) { 870 state = sDIRS; 871 d_list.choice = (key - DLGK_MOUSE(MOUSE_D)) + d_list.offset; 872 display_list(&d_list); 873 } 874 continue; 875 } else if (is_DLGK_MOUSE(key) 876 && (code = dlg_ok_buttoncode(key - M_EVENT)) >= 0) { 877 result = code; 878 continue; 879 } 880 break; 881 } 882 } 883 884 if (state < 0) { /* Input box selected if we're editing */ 885 int edit = dlg_edit_string(input, &offset, key, fkey, first); 886 887 if (edit) { 888 dlg_show_string(w_text, input, offset, inputbox_attr, 889 0, 0, tbox_width, 0, first); 890 first = FALSE; 891 state = sTEXT; 892 } 893 } else if (state >= 0 && 894 (code = dlg_char_to_button(key, buttons)) >= 0) { 895 result = dlg_ok_buttoncode(code); 896 break; 897 } 898 } 899 900 dlg_unregister_window(w_text); 901 dlg_del_window(dialog); 902 dlg_mouse_free_regions(); 903 free_list(&d_list, FALSE); 904 free_list(&f_list, FALSE); 905 906 finish: 907 if (partial != 0) 908 free(partial); 909 return result; 910} 911 912/* 913 * Display a dialog box for entering a filename 914 */ 915int 916dialog_fselect(const char *title, const char *path, int height, int width) 917{ 918 return dlg_fselect(title, path, height, width, FALSE); 919} 920 921/* 922 * Display a dialog box for entering a directory 923 */ 924int 925dialog_dselect(const char *title, const char *path, int height, int width) 926{ 927 return dlg_fselect(title, path, height, width, TRUE); 928} 929