contrib/dialog/editbox.c

   1 /*
   2  *  $Id: editbox.c,v 1.85 2022/04/06 08:01:23 tom Exp $
   3  *
   4  *  editbox.c -- implements the edit box
   5  *
   6  *  Copyright 2007-2020,2022 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 <dlg_internals.h>
  25 #include <dlg_keys.h>
  26
  27 #define sTEXT -1
  28
  29 static void
  30 fail_list(void)
  31 {
  32     dlg_exiterr("File too large");
  33 }
  34
  35 static void
  36 grow_list(char ***list, int *have, int want)
  37 {
  38     if (want > *have) {
  39         size_t last = (size_t) *have;
  40         size_t need = (size_t) (want | 31) + 3;
  41         *have = (int) need;
  42         (*list) = dlg_realloc(char *, need, *list);
  43         if ((*list) == 0) {
  44             fail_list();
  45         } else {
  46             while (++last < need) {
  47                 (*list)[last] = 0;
  48             }
  49         }
  50     }
  51 }
  52
  53 static void
  54 load_list(const char *file, char ***list, int *rows)
  55 {
  56     char *blob = 0;
  57     struct stat sb;
  58     size_t size;
  59
  60     *list = 0;
  61     *rows = 0;
  62
  63     if (stat(file, &sb) < 0 ||
  64         (sb.st_mode & S_IFMT) != S_IFREG)
  65         dlg_exiterr("Not a file: %s", file);
  66
  67     size = (size_t) sb.st_size;
  68     if ((blob = dlg_malloc(char, size + 2)) == 0) {
  69         fail_list();
  70     } else {
  71         FILE *fp;
  72         unsigned n, pass;
  73
  74         blob[size] = '\0';
  75
  76         if ((fp = fopen(file, "r")) == 0)
  77             dlg_exiterr("Cannot open: %s", file);
  78         size = fread(blob, sizeof(char), size, fp);
  79         fclose(fp);
  80
  81         /*
  82          * If the file is not empty, ensure that it ends with a newline.
  83          */
  84         if (size != 0 && blob[size - 1] != '\n') {
  85             blob[++size - 1] = '\n';
  86             blob[size] = '\0';
  87         }
  88
  89         for (pass = 0; pass < 2; ++pass) {
  90             int first = TRUE;
  91             unsigned need = 0;
  92
  93             for (n = 0; n < size; ++n) {
  94                 if (first && pass) {
  95                     (*list)[need] = blob + n;
  96                     first = FALSE;
  97                 }
  98                 if (blob[n] == '\n') {
  99                     first = TRUE;
 100                     ++need;
 101                     if (pass)
 102                         blob[n] = '\0';
 103                 }
 104             }
 105             if (pass) {
 106                 if (need == 0) {
 107                     (*list)[0] = dlg_strclone("");
 108                     (*list)[1] = 0;
 109                 } else {
 110                     for (n = 0; n < need; ++n) {
 111                         (*list)[n] = dlg_strclone((*list)[n]);
 112                     }
 113                     (*list)[need] = 0;
 114                 }
 115             } else {
 116                 grow_list(list, rows, (int) need + 1);
 117             }
 118         }
 119         free(blob);
 120     }
 121 }
 122
 123 static void
 124 free_list(char ***list, int *rows)
 125 {
 126     if (*list != 0) {
 127         int n;
 128         for (n = 0; n < (*rows); ++n) {
 129             if ((*list)[n] != 0)
 130                 free((*list)[n]);
 131         }
 132         free(*list);
 133         *list = 0;
 134     }
 135     *rows = 0;
 136 }
 137
 138 /*
 139  * Display a single row in the editing window:
 140  * thisrow is the actual row number that's being displayed.
 141  * show_row is the row number that's highlighted for edit.
 142  * base_row is the first row number in the window
 143  */
 144 static bool
 145 display_one(WINDOW *win,
 146             char *text,
 147             int thisrow,
 148             int show_row,
 149             int base_row,
 150             int chr_offset)
 151 {
 152     bool result;
 153
 154     if (text != 0) {
 155         dlg_show_string(win,
 156                         text,
 157                         chr_offset,
 158                         ((thisrow == show_row)
 159                          ? form_active_text_attr
 160                          : form_text_attr),
 161                         thisrow - base_row,
 162                         0,
 163                         getmaxx(win),
 164                         FALSE,
 165                         FALSE);
 166         result = TRUE;
 167     } else {
 168         result = FALSE;
 169     }
 170     return result;
 171 }
 172
 173 static void
 174 display_all(WINDOW *win,
 175             char **list,
 176             int show_row,
 177             int firstrow,
 178             int lastrow,
 179             int chr_offset)
 180 {
 181     int limit = getmaxy(win);
 182     int row;
 183
 184     dlg_attr_clear(win, getmaxy(win), getmaxx(win), dialog_attr);
 185     if (lastrow - firstrow >= limit)
 186         lastrow = firstrow + limit;
 187     for (row = firstrow; row < lastrow; ++row) {
 188         if (!display_one(win, list[row],
 189                          row, show_row, firstrow,
 190                          (row == show_row) ? chr_offset : 0))
 191             break;
 192     }
 193 }
 194
 195 static int
 196 size_list(char **list)
 197 {
 198     int result = 0;
 199
 200     if (list != 0) {
 201         while (*list++ != 0) {
 202             ++result;
 203         }
 204     }
 205     return result;
 206 }
 207
 208 static bool
 209 scroll_to(int pagesize, int rows, int *base_row, int *this_row, int target)
 210 {
 211     bool result = FALSE;
 212
 213     if (target < *base_row) {
 214         if (target < 0) {
 215             if (*base_row == 0 && *this_row == 0) {
 216                 beep();
 217             } else {
 218                 *this_row = 0;
 219                 *base_row = 0;
 220                 result = TRUE;
 221             }
 222         } else {
 223             *this_row = target;
 224             *base_row = target;
 225             result = TRUE;
 226         }
 227     } else if (target >= rows) {
 228         if (*this_row < rows - 1) {
 229             *this_row = rows - 1;
 230             *base_row = rows - 1;
 231             result = TRUE;
 232         } else {
 233             beep();
 234         }
 235     } else if (target >= *base_row + pagesize) {
 236         *this_row = target;
 237         *base_row = target;
 238         result = TRUE;
 239     } else {
 240         *this_row = target;
 241         result = FALSE;
 242     }
 243     if (pagesize < rows) {
 244         if (*base_row + pagesize >= rows) {
 245             *base_row = rows - pagesize;
 246         }
 247     } else {
 248         *base_row = 0;
 249     }
 250     return result;
 251 }
 252
 253 static int
 254 col_to_chr_offset(const char *text, int col)
 255 {
 256     const int *cols = dlg_index_columns(text);
 257     const int *indx = dlg_index_wchars(text);
 258     bool found = FALSE;
 259     int result = 0;
 260     unsigned n;
 261     unsigned len = (unsigned) dlg_count_wchars(text);
 262
 263     for (n = 0; n < len; ++n) {
 264         if (cols[n] <= col && cols[n + 1] > col) {
 265             result = indx[n];
 266             found = TRUE;
 267             break;
 268         }
 269     }
 270     if (!found && len && cols[len] == col) {
 271         result = indx[len];
 272     }
 273     return result;
 274 }
 275
 276 #define Scroll_To(target) scroll_to(pagesize, listsize, &base_row, &thisrow, target)
 277 #define SCROLL_TO(target) show_all = Scroll_To(target)
 278
 279 #define PREV_ROW (*list)[thisrow - 1]
 280 #define THIS_ROW (*list)[thisrow]
 281 #define NEXT_ROW (*list)[thisrow + 1]
 282
 283 #define UPDATE_COL(input) col_offset = dlg_edit_offset(input, chr_offset, box_width)
 284
 285 static int
 286 widest_line(char **list)
 287 {
 288     int result = dlg_max_input(-1);
 289
 290     if (list != 0) {
 291         char *value;
 292
 293         while ((value = *list++) != 0) {
 294             int check = (int) strlen(value);
 295             if (check > result)
 296                 result = check;
 297         }
 298     }
 299     return result;
 300 }
 301
 302 #define NAVIGATE_BINDINGS \
 303         DLG_KEYS_DATA( DLGK_GRID_DOWN,  KEY_DOWN ), \
 304         DLG_KEYS_DATA( DLGK_GRID_RIGHT, KEY_RIGHT ), \
 305         DLG_KEYS_DATA( DLGK_GRID_LEFT,  KEY_LEFT ), \
 306         DLG_KEYS_DATA( DLGK_GRID_UP,    KEY_UP ), \
 307         DLG_KEYS_DATA( DLGK_FIELD_NEXT, TAB ), \
 308         DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_BTAB ), \
 309         DLG_KEYS_DATA( DLGK_PAGE_FIRST, KEY_HOME ), \
 310         DLG_KEYS_DATA( DLGK_PAGE_LAST,  KEY_END ), \
 311         DLG_KEYS_DATA( DLGK_PAGE_LAST,  KEY_LL ), \
 312         DLG_KEYS_DATA( DLGK_PAGE_NEXT,  KEY_NPAGE ), \
 313         DLG_KEYS_DATA( DLGK_PAGE_NEXT,  DLGK_MOUSE(KEY_NPAGE) ), \
 314         DLG_KEYS_DATA( DLGK_PAGE_PREV,  KEY_PPAGE ), \
 315         DLG_KEYS_DATA( DLGK_PAGE_PREV,  DLGK_MOUSE(KEY_PPAGE) )
 316 /*
 317  * Display a dialog box for editing a copy of a file
 318  */
 319 int
 320 dlg_editbox(const char *title,
 321             char ***list,
 322             int *rows,
 323             int height,
 324             int width)
 325 {
 326     /* *INDENT-OFF* */
 327     static DLG_KEYS_BINDING binding[] = {
 328         HELPKEY_BINDINGS,
 329         ENTERKEY_BINDINGS,
 330         NAVIGATE_BINDINGS,
 331         TOGGLEKEY_BINDINGS,
 332         END_KEYS_BINDING
 333     };
 334     static DLG_KEYS_BINDING binding2[] = {
 335         INPUTSTR_BINDINGS,
 336         HELPKEY_BINDINGS,
 337         ENTERKEY_BINDINGS,
 338         NAVIGATE_BINDINGS,
 339         /* no TOGGLEKEY_BINDINGS, since that includes space... */
 340         END_KEYS_BINDING
 341     };
 342     /* *INDENT-ON* */
 343
 344 #ifdef KEY_RESIZE
 345     int old_height = height;
 346     int old_width = width;
 347 #endif
 348     int x, y, box_y, box_x, box_height, box_width;
 349     int show_buttons;
 350     int thisrow, base_row, lastrow;
 351     int goal_col = -1;
 352     int col_offset = 0;
 353     int chr_offset = 0;
 354     int key, fkey, code;
 355     int pagesize;
 356     int listsize = size_list(*list);
 357     int result = DLG_EXIT_UNKNOWN;
 358     int state;
 359     size_t max_len = (size_t) dlg_max_input(widest_line(*list));
 360     char *buffer;
 361     bool show_all, show_one;
 362     bool first_trace = TRUE;
 363     WINDOW *dialog;
 364     WINDOW *editing;
 365     DIALOG_VARS save_vars;
 366     const char **buttons = dlg_ok_labels();
 367     int mincols = (3 * COLS / 4);
 368
 369     DLG_TRACE(("# editbox args:\n"));
 370     DLG_TRACE2S("title", title);
 371     /* FIXME dump the rows & list */
 372     DLG_TRACE2N("height", height);
 373     DLG_TRACE2N("width", width);
 374
 375     dlg_save_vars(&save_vars);
 376     dialog_vars.separate_output = TRUE;
 377
 378     dlg_does_output();
 379
 380     buffer = dlg_malloc(char, max_len + 1);
 381     assert_ptr(buffer, "dlg_editbox");
 382
 383     thisrow = base_row = lastrow = 0;
 384
 385 #ifdef KEY_RESIZE
 386   retry:
 387 #endif
 388     show_buttons = TRUE;
 389     state = dialog_vars.default_button >= 0 ? dlg_default_button() : sTEXT;
 390     fkey = 0;
 391
 392     dlg_button_layout(buttons, &mincols);
 393     dlg_auto_size(title, "", &height, &width, 3 * LINES / 4, mincols);
 394     dlg_print_size(height, width);
 395     dlg_ctl_size(height, width);
 396
 397     x = dlg_box_x_ordinate(width);
 398     y = dlg_box_y_ordinate(height);
 399
 400     dialog = dlg_new_window(height, width, y, x);
 401     dlg_register_window(dialog, "editbox", binding);
 402     dlg_register_buttons(dialog, "editbox", buttons);
 403
 404     dlg_mouse_setbase(x, y);
 405
 406     dlg_draw_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr);
 407     dlg_draw_bottom_box2(dialog, border_attr, border2_attr, dialog_attr);
 408     dlg_draw_title(dialog, title);
 409
 410     dlg_attrset(dialog, dialog_attr);
 411
 412     /* Draw the editing field in a box */
 413     box_y = MARGIN + 0;
 414     box_x = MARGIN + 1;
 415     box_width = width - 2 - (2 * MARGIN);
 416     box_height = height - (4 * MARGIN);
 417
 418     dlg_draw_box(dialog,
 419                  box_y,
 420                  box_x,
 421                  box_height,
 422                  box_width,
 423                  border_attr, border2_attr);
 424     dlg_mouse_mkbigregion(box_y + MARGIN,
 425                           box_x + MARGIN,
 426                           box_height - (2 * MARGIN),
 427                           box_width - (2 * MARGIN),
 428                           KEY_MAX, 1, 1, 3);
 429     editing = dlg_sub_window(dialog,
 430                              box_height - (2 * MARGIN),
 431                              box_width - (2 * MARGIN),
 432                              getbegy(dialog) + box_y + 1,
 433                              getbegx(dialog) + box_x + 1);
 434     dlg_register_window(editing, "editbox2", binding2);
 435
 436     show_all = TRUE;
 437     show_one = FALSE;
 438     pagesize = getmaxy(editing);
 439
 440     while (result == DLG_EXIT_UNKNOWN) {
 441         bool was_mouse;
 442         char *input;
 443
 444         if (show_all) {
 445             display_all(editing, *list, thisrow, base_row, listsize, chr_offset);
 446             display_one(editing, THIS_ROW,
 447                         thisrow, thisrow, base_row, chr_offset);
 448             show_all = FALSE;
 449             show_one = TRUE;
 450         } else {
 451             if (thisrow != lastrow) {
 452                 display_one(editing, (*list)[lastrow],
 453                             lastrow, thisrow, base_row, 0);
 454                 show_one = TRUE;
 455             }
 456         }
 457         if (show_one) {
 458             display_one(editing, THIS_ROW,
 459                         thisrow, thisrow, base_row, chr_offset);
 460             getyx(editing, y, x);
 461             dlg_draw_scrollbar(dialog,
 462                                base_row,
 463                                base_row,
 464                                base_row + pagesize,
 465                                listsize,
 466                                box_x,
 467                                box_x + getmaxx(editing),
 468                                box_y + 0,
 469                                box_y + getmaxy(editing) + 1,
 470                                border2_attr,
 471                                border_attr);
 472             wmove(editing, y, x);
 473             show_one = FALSE;
 474         }
 475         lastrow = thisrow;
 476         input = THIS_ROW;
 477
 478         /*
 479          * The last field drawn determines where the cursor is shown:
 480          */
 481         if (show_buttons) {
 482             show_buttons = FALSE;
 483             UPDATE_COL(input);
 484             if (state != sTEXT) {
 485                 display_one(editing, input, thisrow,
 486                             -1, base_row, 0);
 487                 wrefresh(editing);
 488             }
 489             dlg_draw_buttons(dialog,
 490                              height - 2,
 491                              0,
 492                              buttons,
 493                              (state != sTEXT) ? state : 99,
 494                              FALSE,
 495                              width);
 496             if (state == sTEXT) {
 497                 display_one(editing, input, thisrow,
 498                             thisrow, base_row, chr_offset);
 499             }
 500         }
 501
 502         if (first_trace) {
 503             first_trace = FALSE;
 504             dlg_trace_win(dialog);
 505         }
 506
 507         key = dlg_mouse_wgetch((state == sTEXT) ? editing : dialog, &fkey);
 508         if (key == ERR) {
 509             result = DLG_EXIT_ERROR;
 510             break;
 511         } else if (key == ESC) {
 512             result = DLG_EXIT_ESC;
 513             break;
 514         }
 515         if (state != sTEXT) {
 516             if (dlg_result_key(key, fkey, &result)) {
 517                 if (!dlg_button_key(result, &code, &key, &fkey))
 518                     break;
 519             }
 520         }
 521
 522         was_mouse = (fkey && is_DLGK_MOUSE(key));
 523         if (was_mouse)
 524             key -= M_EVENT;
 525
 526         /*
 527          * Handle mouse clicks first, since we want to know if this is a
 528          * button, or something that dlg_edit_string() should handle.
 529          */
 530         if (fkey
 531             && was_mouse
 532             && (code = dlg_ok_buttoncode(key)) >= 0) {
 533             result = code;
 534             continue;
 535         }
 536
 537         if (was_mouse
 538             && (key >= KEY_MAX)) {
 539             int wide = getmaxx(editing);
 540             int cell = key - KEY_MAX;
 541             int check = (cell / wide) + base_row;
 542             if (check < listsize) {
 543                 thisrow = check;
 544                 col_offset = (cell % wide);
 545                 chr_offset = col_to_chr_offset(THIS_ROW, col_offset);
 546                 show_one = TRUE;
 547                 if (state != sTEXT) {
 548                     state = sTEXT;
 549                     show_buttons = TRUE;
 550                 }
 551             } else {
 552                 beep();
 553             }
 554             continue;
 555         } else if (was_mouse && key >= KEY_MIN) {
 556             key = dlg_lookup_key(dialog, key, &fkey);
 557         }
 558
 559         if (state == sTEXT) {   /* editing box selected */
 560             int edit = 0;
 561
 562             /*
 563              * Intercept scrolling keys that dlg_edit_string() does not
 564              * understand.
 565              */
 566             if (fkey) {
 567                 bool moved = TRUE;
 568
 569                 switch (key) {
 570                 case DLGK_GRID_UP:
 571                     SCROLL_TO(thisrow - 1);
 572                     break;
 573                 case DLGK_GRID_DOWN:
 574                     SCROLL_TO(thisrow + 1);
 575                     break;
 576                 case DLGK_PAGE_FIRST:
 577                     SCROLL_TO(0);
 578                     break;
 579                 case DLGK_PAGE_LAST:
 580                     SCROLL_TO(listsize);
 581                     break;
 582                 case DLGK_PAGE_NEXT:
 583                     SCROLL_TO(base_row + pagesize);
 584                     break;
 585                 case DLGK_PAGE_PREV:
 586                     if (thisrow > base_row) {
 587                         SCROLL_TO(base_row);
 588                     } else {
 589                         SCROLL_TO(base_row - pagesize);
 590                     }
 591                     break;
 592                 case DLGK_DELETE_LEFT:
 593                     if (chr_offset == 0) {
 594                         if (thisrow == 0) {
 595                             beep();
 596                         } else {
 597                             size_t len = (strlen(THIS_ROW) +
 598                                           strlen(PREV_ROW) + 1);
 599                             char *tmp = dlg_malloc(char, len);
 600
 601                             assert_ptr(tmp, "dlg_editbox");
 602
 603                             chr_offset = dlg_count_wchars(PREV_ROW);
 604                             UPDATE_COL(PREV_ROW);
 605                             goal_col = col_offset;
 606
 607                             sprintf(tmp, "%s%s", PREV_ROW, THIS_ROW);
 608                             if (len > max_len)
 609                                 tmp[max_len] = '\0';
 610
 611                             free(PREV_ROW);
 612                             PREV_ROW = tmp;
 613                             for (y = thisrow; y < listsize; ++y) {
 614                                 (*list)[y] = (*list)[y + 1];
 615                             }
 616                             --listsize;
 617                             --thisrow;
 618                             (void) Scroll_To(thisrow);
 619
 620                             show_all = TRUE;
 621                         }
 622                     } else {
 623                         /* dlg_edit_string() can handle this case */
 624                         moved = FALSE;
 625                     }
 626                     break;
 627                 default:
 628                     moved = FALSE;
 629                     break;
 630                 }
 631                 if (moved) {
 632                     if (thisrow != lastrow) {
 633                         if (goal_col < 0)
 634                             goal_col = col_offset;
 635                         chr_offset = col_to_chr_offset(THIS_ROW, goal_col);
 636                     } else {
 637                         UPDATE_COL(THIS_ROW);
 638                     }
 639                     continue;
 640                 }
 641             }
 642             strncpy(buffer, input, max_len - 1)[max_len - 1] = '\0';
 643             if (chr_offset > (int) (max_len - 1))
 644                 chr_offset = (int) (max_len - 1);
 645             edit = dlg_edit_string(buffer, &chr_offset, key, fkey, FALSE);
 646
 647             if (edit) {
 648                 goal_col = UPDATE_COL(input);
 649                 if (strcmp(input, buffer)) {
 650                     free(input);
 651                     THIS_ROW = dlg_strclone(buffer);
 652                     input = THIS_ROW;
 653                 }
 654                 display_one(editing, input, thisrow,
 655                             thisrow, base_row, chr_offset);
 656                 continue;
 657             }
 658         }
 659
 660         /* handle non-functionkeys */
 661         if (!fkey && (code = dlg_char_to_button(key, buttons)) >= 0) {
 662             dlg_del_window(dialog);
 663             result = dlg_ok_buttoncode(code);
 664             continue;
 665         }
 666
 667         /* handle functionkeys */
 668         if (fkey) {
 669             switch (key) {
 670             case DLGK_GRID_UP:
 671             case DLGK_GRID_LEFT:
 672             case DLGK_FIELD_PREV:
 673                 show_buttons = TRUE;
 674                 state = dlg_prev_ok_buttonindex(state, sTEXT);
 675                 break;
 676             case DLGK_GRID_RIGHT:
 677             case DLGK_GRID_DOWN:
 678             case DLGK_FIELD_NEXT:
 679                 show_buttons = TRUE;
 680                 state = dlg_next_ok_buttonindex(state, sTEXT);
 681                 break;
 682             case DLGK_ENTER:
 683                 if (state == sTEXT) {
 684                     const int *indx = dlg_index_wchars(THIS_ROW);
 685                     int split = indx[chr_offset];
 686                     char *tmp = dlg_strclone(THIS_ROW + split);
 687
 688                     assert_ptr(tmp, "dlg_editbox");
 689                     grow_list(list, rows, listsize + 1);
 690                     ++listsize;
 691                     for (y = listsize; y > thisrow; --y) {
 692                         (*list)[y] = (*list)[y - 1];
 693                     }
 694                     THIS_ROW[split] = '\0';
 695                     ++thisrow;
 696                     chr_offset = 0;
 697                     col_offset = 0;
 698                     THIS_ROW = tmp;
 699                     (void) Scroll_To(thisrow);
 700                     show_all = TRUE;
 701                 } else {
 702                     result = dlg_enter_buttoncode(state);
 703                 }
 704                 break;
 705             case DLGK_LEAVE:
 706                 if (state >= 0)
 707                     result = dlg_ok_buttoncode(state);
 708                 break;
 709 #ifdef KEY_RESIZE
 710             case KEY_RESIZE:
 711                 dlg_will_resize(dialog);
 712                 /* reset data */
 713                 height = old_height;
 714                 width = old_width;
 715                 /* repaint */
 716                 dlg_del_window(editing);
 717                 dlg_unregister_window(editing);
 718                 _dlg_resize_cleanup(dialog);
 719                 goto retry;
 720 #endif
 721             case DLGK_TOGGLE:
 722                 if (state != sTEXT) {
 723                     result = dlg_ok_buttoncode(state);
 724                 } else {
 725                     beep();
 726                 }
 727                 break;
 728             default:
 729                 beep();
 730                 break;
 731             }
 732         } else if (key > 0) {
 733             beep();
 734         }
 735     }
 736
 737     dlg_unregister_window(editing);
 738     dlg_del_window(editing);
 739     dlg_del_window(dialog);
 740     dlg_mouse_free_regions();
 741
 742     /*
 743      * The caller's copy of the (*list)[] array has been updated, but for
 744      * consistency with the other widgets, we put the "real" result in
 745      * the output buffer.
 746      */
 747     if (result == DLG_EXIT_OK) {
 748         int n;
 749         for (n = 0; n < listsize; ++n) {
 750             dlg_add_result((*list)[n]);
 751             dlg_add_separator();
 752         }
 753         dlg_add_last_key(-1);
 754     }
 755     free(buffer);
 756     dlg_restore_vars(&save_vars);
 757     return result;
 758 }
 759
 760 int
 761 dialog_editbox(const char *title, const char *file, int height, int width)
 762 {
 763     int result;
 764     char **list;
 765     int rows;
 766
 767     load_list(file, &list, &rows);
 768     result = dlg_editbox(title, &list, &rows, height, width);
 769     free_list(&list, &rows);
 770     return result;
 771 }