1 /* 2 * $Id: formbox.c,v 1.81 2012/07/01 18:13:51 Zoltan.Kelemen Exp $ 3 * 4 * formbox.c -- implements the form (i.e, some pairs label/editbox) 5 * 6 * Copyright 2003-2011,2012 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 * This is adapted from source contributed by 24 * Valery Reznic (valery_reznic@users.sourceforge.net) 25 */ 26 27 #include <dialog.h> 28 #include <dlg_keys.h> 29 30 #define LLEN(n) ((n) * FORMBOX_TAGS) 31 32 #define ItemName(i) items[LLEN(i) + 0] 33 #define ItemNameY(i) items[LLEN(i) + 1] 34 #define ItemNameX(i) items[LLEN(i) + 2] 35 #define ItemText(i) items[LLEN(i) + 3] 36 #define ItemTextY(i) items[LLEN(i) + 4] 37 #define ItemTextX(i) items[LLEN(i) + 5] 38 #define ItemTextFLen(i) items[LLEN(i) + 6] 39 #define ItemTextILen(i) items[LLEN(i) + 7] 40 #define ItemHelp(i) (dialog_vars.item_help ? items[LLEN(i) + 8] : dlg_strempty()) 41 42 static bool 43 is_readonly(DIALOG_FORMITEM * item) 44 { 45 return ((item->type & 2) != 0) || (item->text_flen <= 0); 46 } 47 48 static bool 49 is_hidden(DIALOG_FORMITEM * item) 50 { 51 return ((item->type & 1) != 0); 52 } 53 54 static bool 55 in_window(WINDOW *win, int scrollamt, int y) 56 { 57 return (y >= scrollamt && y - scrollamt < getmaxy(win)); 58 } 59 60 static bool 61 ok_move(WINDOW *win, int scrollamt, int y, int x) 62 { 63 return in_window(win, scrollamt, y) 64 && (wmove(win, y - scrollamt, x) != ERR); 65 } 66 67 static void 68 move_past(WINDOW *win, int y, int x) 69 { 70 if (wmove(win, y, x) == ERR) 71 wmove(win, y, getmaxx(win) - 1); 72 } 73 74 /* 75 * Print form item 76 */ 77 static int 78 print_item(WINDOW *win, DIALOG_FORMITEM * item, int scrollamt, bool choice) 79 { 80 int count = 0; 81 int len; 82 83 if (ok_move(win, scrollamt, item->name_y, item->name_x)) { 84 len = item->name_len; 85 len = MIN(len, getmaxx(win) - item->name_x); 86 if (len > 0) { 87 dlg_show_string(win, 88 item->name, 89 0, 90 menubox_attr, 91 item->name_y - scrollamt, 92 item->name_x, 93 len, 94 FALSE, 95 FALSE); 96 move_past(win, item->name_y - scrollamt, item->name_x + len); 97 count = 1; 98 } 99 } 100 if (item->text_len && ok_move(win, scrollamt, item->text_y, item->text_x)) { 101 chtype this_item_attribute; 102 103 len = item->text_len; 104 len = MIN(len, getmaxx(win) - item->text_x); 105 106 if (!is_readonly(item)) { 107 this_item_attribute = choice 108 ? form_active_text_attr 109 : form_text_attr; 110 } else { 111 this_item_attribute = form_item_readonly_attr; 112 } 113 114 if (len > 0) { 115 dlg_show_string(win, 116 item->text, 117 0, 118 this_item_attribute, 119 item->text_y - scrollamt, 120 item->text_x, 121 len, 122 is_hidden(item), 123 FALSE); 124 move_past(win, item->text_y - scrollamt, item->text_x + len); 125 count = 1; 126 } 127 } 128 return count; 129 } 130 131 /* 132 * Print the entire form. 133 */ 134 static void 135 print_form(WINDOW *win, DIALOG_FORMITEM * item, int total, int scrollamt, int choice) 136 { 137 int n; 138 int count = 0; 139 140 for (n = 0; n < total; ++n) { 141 count += print_item(win, item + n, scrollamt, n == choice); 142 } 143 if (count) { 144 wbkgdset(win, menubox_attr | ' '); 145 wclrtobot(win); 146 (void) wnoutrefresh(win); 147 } 148 } 149 150 static int 151 set_choice(DIALOG_FORMITEM item[], int choice, int item_no, bool * noneditable) 152 { 153 int result = -1; 154 int i; 155 156 *noneditable = FALSE; 157 if (!is_readonly(&item[choice])) { 158 result = choice; 159 } else { 160 for (i = 0; i < item_no; i++) { 161 if (!is_readonly(&(item[i]))) { 162 result = i; 163 break; 164 } 165 } 166 if (result < 0) { 167 *noneditable = TRUE; 168 result = 0; 169 } 170 } 171 return result; 172 } 173 174 /* 175 * Find the last y-value in the form. 176 */ 177 static int 178 form_limit(DIALOG_FORMITEM item[]) 179 { 180 int n; 181 int limit = 0; 182 for (n = 0; item[n].name != 0; ++n) { 183 if (limit < item[n].name_y) 184 limit = item[n].name_y; 185 if (limit < item[n].text_y) 186 limit = item[n].text_y; 187 } 188 return limit; 189 } 190 191 static int 192 is_first_field(DIALOG_FORMITEM item[], int choice) 193 { 194 int count = 0; 195 while (choice >= 0) { 196 if (item[choice].text_flen > 0) { 197 ++count; 198 } 199 --choice; 200 } 201 202 return (count == 1); 203 } 204 205 static int 206 is_last_field(DIALOG_FORMITEM item[], int choice, int item_no) 207 { 208 int count = 0; 209 while (choice < item_no) { 210 if (item[choice].text_flen > 0) { 211 ++count; 212 } 213 ++choice; 214 } 215 216 return (count == 1); 217 } 218 219 /* 220 * Tab to the next field. 221 */ 222 static bool 223 tab_next(WINDOW *win, 224 DIALOG_FORMITEM item[], 225 int item_no, 226 int stepsize, 227 int *choice, 228 int *scrollamt) 229 { 230 int old_choice = *choice; 231 int old_scroll = *scrollamt; 232 bool wrapped = FALSE; 233 234 do { 235 do { 236 *choice += stepsize; 237 if (*choice < 0) { 238 *choice = item_no - 1; 239 wrapped = TRUE; 240 } else if (*choice >= item_no) { 241 *choice = 0; 242 wrapped = TRUE; 243 } 244 } while ((*choice != old_choice) && is_readonly(&(item[*choice]))); 245 246 if (item[*choice].text_flen > 0) { 247 int lo = MIN(item[*choice].name_y, item[*choice].text_y); 248 int hi = MAX(item[*choice].name_y, item[*choice].text_y); 249 250 if (old_choice == *choice) 251 break; 252 print_item(win, item + old_choice, *scrollamt, FALSE); 253 254 if (*scrollamt < lo + 1 - getmaxy(win)) 255 *scrollamt = lo + 1 - getmaxy(win); 256 if (*scrollamt > hi) 257 *scrollamt = hi; 258 /* 259 * If we have to scroll to show a wrap-around, it does get 260 * confusing. Just give up rather than scroll. Tab'ing to the 261 * next field in a multi-column form is a different matter. Scroll 262 * for that. 263 */ 264 if (*scrollamt != old_scroll) { 265 if (wrapped) { 266 beep(); 267 *scrollamt = old_scroll; 268 *choice = old_choice; 269 } else { 270 scrollok(win, TRUE); 271 wscrl(win, *scrollamt - old_scroll); 272 scrollok(win, FALSE); 273 } 274 } 275 break; 276 } 277 } while (*choice != old_choice); 278 279 return (old_choice != *choice) || (old_scroll != *scrollamt); 280 } 281 282 /* 283 * Scroll to the next page, putting the choice at the first editable field 284 * in that page. Note that fields are not necessarily in top-to-bottom order, 285 * nor is there necessarily a field on each row of the window. 286 */ 287 static bool 288 scroll_next(WINDOW *win, DIALOG_FORMITEM item[], int stepsize, int *choice, int *scrollamt) 289 { 290 int old_choice = *choice; 291 int old_scroll = *scrollamt; 292 int old_row = MIN(item[old_choice].text_y, item[old_choice].name_y); 293 int target = old_scroll + stepsize; 294 int n; 295 296 if (stepsize < 0) { 297 if (old_row != old_scroll) 298 target = old_scroll; 299 else 300 target = old_scroll + stepsize; 301 if (target < 0) 302 target = 0; 303 } else { 304 int limit = form_limit(item); 305 if (target > limit) 306 target = limit; 307 } 308 309 for (n = 0; item[n].name != 0; ++n) { 310 if (item[n].text_flen > 0) { 311 int new_row = MIN(item[n].text_y, item[n].name_y); 312 if (abs(new_row - target) < abs(old_row - target)) { 313 old_row = new_row; 314 *choice = n; 315 } 316 } 317 } 318 319 if (old_choice != *choice) 320 print_item(win, item + old_choice, *scrollamt, FALSE); 321 322 *scrollamt = *choice; 323 if (*scrollamt != old_scroll) { 324 scrollok(win, TRUE); 325 wscrl(win, *scrollamt - old_scroll); 326 scrollok(win, FALSE); 327 } 328 return (old_choice != *choice) || (old_scroll != *scrollamt); 329 } 330 331 /* 332 * Do a sanity check on the field length, and return the "right" value. 333 */ 334 static int 335 real_length(DIALOG_FORMITEM * item) 336 { 337 return (item->text_flen > 0 338 ? item->text_flen 339 : (item->text_flen < 0 340 ? -item->text_flen 341 : item->text_len)); 342 } 343 344 /* 345 * Compute the form size, setup field buffers. 346 */ 347 static void 348 make_FORM_ELTs(DIALOG_FORMITEM * item, 349 int item_no, 350 int *min_height, 351 int *min_width) 352 { 353 int i; 354 int min_w = 0; 355 int min_h = 0; 356 357 for (i = 0; i < item_no; ++i) { 358 int real_len = real_length(item + i); 359 360 /* 361 * Special value '0' for text_flen: no input allowed 362 * Special value '0' for text_ilen: 'be the same as text_flen' 363 */ 364 if (item[i].text_ilen == 0) 365 item[i].text_ilen = real_len; 366 367 min_h = MAX(min_h, item[i].name_y + 1); 368 min_h = MAX(min_h, item[i].text_y + 1); 369 min_w = MAX(min_w, item[i].name_x + 1 + item[i].name_len); 370 min_w = MAX(min_w, item[i].text_x + 1 + real_len); 371 372 item[i].text_len = real_length(item + i); 373 374 /* 375 * We do not know the actual length of .text, so we allocate it here 376 * to ensure it is big enough. 377 */ 378 if (item[i].text_flen > 0) { 379 int max_len = dlg_max_input(MAX(item[i].text_ilen + 1, MAX_LEN)); 380 char *old_text = item[i].text; 381 382 item[i].text = dlg_malloc(char, (size_t) max_len + 1); 383 assert_ptr(item[i].text, "make_FORM_ELTs"); 384 385 sprintf(item[i].text, "%.*s", item[i].text_ilen, old_text); 386 387 if (item[i].text_free) { 388 item[i].text_free = FALSE; 389 free(old_text); 390 } 391 item[i].text_free = TRUE; 392 } 393 } 394 395 *min_height = min_h; 396 *min_width = min_w; 397 } 398 399 int 400 dlg_default_formitem(DIALOG_FORMITEM * items) 401 { 402 int result = 0; 403 404 if (dialog_vars.default_item != 0) { 405 int count = 0; 406 while (items->name != 0) { 407 if (!strcmp(dialog_vars.default_item, items->name)) { 408 result = count; 409 break; 410 } 411 ++items; 412 count++; 413 } 414 } 415 return result; 416 } 417 418 #define sTEXT -1 419 420 static int 421 next_valid_buttonindex(int state, int extra, bool non_editable) 422 { 423 state = dlg_next_ok_buttonindex(state, extra); 424 while (non_editable && state == sTEXT) 425 state = dlg_next_ok_buttonindex(state, sTEXT); 426 return state; 427 } 428 429 static int 430 prev_valid_buttonindex(int state, int extra, bool non_editable) 431 { 432 state = dlg_prev_ok_buttonindex(state, extra); 433 while (non_editable && state == sTEXT) 434 state = dlg_prev_ok_buttonindex(state, sTEXT); 435 return state; 436 } 437 438 #define NAVIGATE_BINDINGS \ 439 DLG_KEYS_DATA( DLGK_FIELD_NEXT, TAB ), \ 440 DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_BTAB ), \ 441 DLG_KEYS_DATA( DLGK_ITEM_NEXT, CHR_NEXT ), \ 442 DLG_KEYS_DATA( DLGK_ITEM_NEXT, KEY_DOWN ), \ 443 DLG_KEYS_DATA( DLGK_ITEM_NEXT, KEY_NEXT ), \ 444 DLG_KEYS_DATA( DLGK_ITEM_PREV, CHR_PREVIOUS ), \ 445 DLG_KEYS_DATA( DLGK_ITEM_PREV, KEY_PREVIOUS ), \ 446 DLG_KEYS_DATA( DLGK_ITEM_PREV, KEY_UP ), \ 447 DLG_KEYS_DATA( DLGK_PAGE_NEXT, KEY_NPAGE ), \ 448 DLG_KEYS_DATA( DLGK_PAGE_PREV, KEY_PPAGE ) 449 /* 450 * Display a form for fulfill a number of fields 451 */ 452 int 453 dlg_form(const char *title, 454 const char *cprompt, 455 int height, 456 int width, 457 int form_height, 458 int item_no, 459 DIALOG_FORMITEM * items, 460 int *current_item) 461 { 462 /* *INDENT-OFF* */ 463 static DLG_KEYS_BINDING binding[] = { 464 HELPKEY_BINDINGS, 465 ENTERKEY_BINDINGS, 466 NAVIGATE_BINDINGS, 467 END_KEYS_BINDING 468 }; 469 static DLG_KEYS_BINDING binding2[] = { 470 INPUTSTR_BINDINGS, 471 HELPKEY_BINDINGS, 472 ENTERKEY_BINDINGS, 473 NAVIGATE_BINDINGS, 474 END_KEYS_BINDING 475 }; 476 /* *INDENT-ON* */ 477 478 #ifdef KEY_RESIZE 479 int old_height = height; 480 int old_width = width; 481 #endif 482 483 int form_width; 484 int first = TRUE; 485 int first_trace = TRUE; 486 int chr_offset = 0; 487 int state = dialog_vars.default_button >=0 ? dlg_default_button() : sTEXT; 488 int x, y, cur_x, cur_y, box_x, box_y; 489 int code; 490 int key = 0; 491 int fkey; 492 int choice = dlg_default_formitem(items); 493 int new_choice, new_scroll; 494 int scrollamt = 0; 495 int result = DLG_EXIT_UNKNOWN; 496 int min_width = 0, min_height = 0; 497 bool was_autosize = (height == 0 || width == 0); 498 bool show_buttons = FALSE; 499 bool scroll_changed = FALSE; 500 bool field_changed = FALSE; 501 bool non_editable = FALSE; 502 WINDOW *dialog, *form; 503 char *prompt = dlg_strclone(cprompt); 504 const char **buttons = dlg_ok_labels(); 505 DIALOG_FORMITEM *current; 506 507 make_FORM_ELTs(items, item_no, &min_height, &min_width); 508 dlg_button_layout(buttons, &min_width); 509 dlg_does_output(); 510 dlg_tab_correct_str(prompt); 511 512 #ifdef KEY_RESIZE 513 retry: 514 #endif 515 516 dlg_auto_size(title, prompt, &height, &width, 517 1 + 3 * MARGIN, 518 MAX(26, 2 + min_width)); 519 520 if (form_height == 0) 521 form_height = min_height; 522 523 if (was_autosize) { 524 form_height = MIN(SLINES - height, form_height); 525 height += form_height; 526 } else { 527 int thigh = 0; 528 int twide = 0; 529 dlg_auto_size(title, prompt, &thigh, &twide, 0, width); 530 thigh = SLINES - (height - (thigh + 1 + 3 * MARGIN)); 531 form_height = MIN(thigh, form_height); 532 } 533 534 dlg_print_size(height, width); 535 dlg_ctl_size(height, width); 536 537 x = dlg_box_x_ordinate(width); 538 y = dlg_box_y_ordinate(height); 539 540 dialog = dlg_new_window(height, width, y, x); 541 dlg_register_window(dialog, "formbox", binding); 542 dlg_register_buttons(dialog, "formbox", buttons); 543 544 dlg_mouse_setbase(x, y); 545 546 dlg_draw_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr); 547 dlg_draw_bottom_box2(dialog, border_attr, border2_attr, dialog_attr); 548 dlg_draw_title(dialog, title); 549 550 (void) wattrset(dialog, dialog_attr); 551 dlg_print_autowrap(dialog, prompt, height, width); 552 553 form_width = width - 6; 554 getyx(dialog, cur_y, cur_x); 555 (void) cur_x; 556 box_y = cur_y + 1; 557 box_x = (width - form_width) / 2 - 1; 558 559 /* create new window for the form */ 560 form = dlg_sub_window(dialog, form_height, form_width, y + box_y + 1, 561 x + box_x + 1); 562 dlg_register_window(form, "formfield", binding2); 563 564 /* draw a box around the form items */ 565 dlg_draw_box(dialog, box_y, box_x, form_height + 2, form_width + 2, 566 menubox_border_attr, menubox_border2_attr); 567 568 /* register the new window, along with its borders */ 569 dlg_mouse_mkbigregion(getbegy(form) - getbegy(dialog), 570 getbegx(form) - getbegx(dialog), 571 getmaxy(form), 572 getmaxx(form), 573 KEY_MAX, 1, 1, 3 /* by cells */ ); 574 575 show_buttons = TRUE; 576 scroll_changed = TRUE; 577 578 choice = set_choice(items, choice, item_no, &non_editable); 579 current = &items[choice]; 580 if (non_editable) 581 state = next_valid_buttonindex(state, sTEXT, non_editable); 582 583 while (result == DLG_EXIT_UNKNOWN) { 584 int edit = FALSE; 585 586 if (scroll_changed) { 587 print_form(form, items, item_no, scrollamt, choice); 588 dlg_draw_scrollbar(dialog, 589 scrollamt, 590 scrollamt, 591 scrollamt + form_height + 1, 592 min_height, 593 box_x + 1, 594 box_x + form_width, 595 box_y, 596 box_y + form_height + 1, 597 menubox_border2_attr, 598 menubox_border_attr); 599 scroll_changed = FALSE; 600 } 601 602 if (show_buttons) { 603 dlg_item_help(""); 604 dlg_draw_buttons(dialog, height - 2, 0, buttons, 605 ((state < 0) 606 ? 1000 /* no such button, not highlighted */ 607 : state), 608 FALSE, width); 609 show_buttons = FALSE; 610 } 611 612 if (first_trace) { 613 first_trace = FALSE; 614 dlg_trace_win(dialog); 615 } 616 617 if (field_changed || state == sTEXT) { 618 if (field_changed) 619 chr_offset = 0; 620 current = &items[choice]; 621 dialog_vars.max_input = current->text_ilen; 622 dlg_item_help(current->help); 623 dlg_show_string(form, current->text, chr_offset, 624 form_active_text_attr, 625 current->text_y - scrollamt, 626 current->text_x, 627 current->text_len, 628 is_hidden(current), first); 629 field_changed = FALSE; 630 } 631 632 key = dlg_mouse_wgetch((state == sTEXT) ? form : dialog, &fkey); 633 if (dlg_result_key(key, fkey, &result)) 634 break; 635 636 /* handle non-functionkeys */ 637 if (!fkey) { 638 if (state != sTEXT) { 639 code = dlg_char_to_button(key, buttons); 640 if (code >= 0) { 641 dlg_del_window(dialog); 642 result = dlg_ok_buttoncode(code); 643 continue; 644 } 645 if (key == ' ') { 646 fkey = TRUE; 647 key = DLGK_ENTER; 648 } 649 } 650 } 651 652 /* handle functionkeys */ 653 if (fkey) { 654 bool do_scroll = FALSE; 655 bool do_tab = FALSE; 656 int move_by = 0; 657 658 switch (key) { 659 case DLGK_MOUSE(KEY_PPAGE): 660 case DLGK_PAGE_PREV: 661 do_scroll = TRUE; 662 move_by = -form_height; 663 break; 664 665 case DLGK_MOUSE(KEY_NPAGE): 666 case DLGK_PAGE_NEXT: 667 do_scroll = TRUE; 668 move_by = form_height; 669 break; 670 671 case DLGK_ENTER: 672 dlg_del_window(dialog); 673 result = (state >= 0) ? dlg_enter_buttoncode(state) : DLG_EXIT_OK; 674 continue; 675 676 case DLGK_GRID_LEFT: 677 if (state == sTEXT) 678 break; 679 /* FALLTHRU */ 680 case DLGK_ITEM_PREV: 681 if (state == sTEXT) { 682 do_tab = TRUE; 683 move_by = -1; 684 break; 685 } else { 686 state = prev_valid_buttonindex(state, 0, non_editable); 687 show_buttons = TRUE; 688 continue; 689 } 690 691 case DLGK_FORM_PREV: 692 if (state == sTEXT && !is_first_field(items, choice)) { 693 do_tab = TRUE; 694 move_by = -1; 695 break; 696 } else { 697 int old_state = state; 698 state = prev_valid_buttonindex(state, sTEXT, non_editable); 699 show_buttons = TRUE; 700 if (old_state >= 0 && state == sTEXT) { 701 new_choice = item_no - 1; 702 if (choice != new_choice) { 703 print_item(form, items + choice, scrollamt, FALSE); 704 choice = new_choice; 705 } 706 } 707 continue; 708 } 709 710 case DLGK_FIELD_PREV: 711 state = prev_valid_buttonindex(state, sTEXT, non_editable); 712 show_buttons = TRUE; 713 continue; 714 715 case DLGK_FIELD_NEXT: 716 state = next_valid_buttonindex(state, sTEXT, non_editable); 717 show_buttons = TRUE; 718 continue; 719 720 case DLGK_GRID_RIGHT: 721 if (state == sTEXT) 722 break; 723 /* FALLTHRU */ 724 725 case DLGK_ITEM_NEXT: 726 if (state == sTEXT) { 727 do_tab = TRUE; 728 move_by = 1; 729 break; 730 } else { 731 state = next_valid_buttonindex(state, 0, non_editable); 732 show_buttons = TRUE; 733 continue; 734 } 735 736 case DLGK_FORM_NEXT: 737 if (state == sTEXT && !is_last_field(items, choice, item_no)) { 738 do_tab = TRUE; 739 move_by = 1; 740 break; 741 } else { 742 state = next_valid_buttonindex(state, sTEXT, non_editable); 743 show_buttons = TRUE; 744 if (state == sTEXT && choice) { 745 print_item(form, items + choice, scrollamt, FALSE); 746 choice = 0; 747 } 748 continue; 749 } 750 751 #ifdef KEY_RESIZE 752 case KEY_RESIZE: 753 /* reset data */ 754 height = old_height; 755 width = old_width; 756 /* repaint */ 757 dlg_clear(); 758 dlg_del_window(dialog); 759 refresh(); 760 dlg_mouse_free_regions(); 761 goto retry; 762 #endif 763 default: 764 #if USE_MOUSE 765 if (is_DLGK_MOUSE(key)) { 766 if (key >= DLGK_MOUSE(KEY_MAX)) { 767 int cell = key - DLGK_MOUSE(KEY_MAX); 768 int row = (cell / getmaxx(form)) + scrollamt; 769 int col = (cell % getmaxx(form)); 770 int n; 771 772 for (n = 0; n < item_no; ++n) { 773 if (items[n].name_y == row 774 && items[n].name_x <= col 775 && (items[n].name_x + items[n].name_len > col 776 || (items[n].name_y == items[n].text_y 777 && items[n].text_x > col))) { 778 if (!is_readonly(&(items[n]))) { 779 field_changed = TRUE; 780 break; 781 } 782 } 783 if (items[n].text_y == row 784 && items[n].text_x <= col 785 && items[n].text_x + items[n].text_ilen > col) { 786 if (!is_readonly(&(items[n]))) { 787 field_changed = TRUE; 788 break; 789 } 790 } 791 } 792 if (field_changed) { 793 print_item(form, items + choice, scrollamt, FALSE); 794 choice = n; 795 continue; 796 } 797 beep(); 798 } else if ((code = dlg_ok_buttoncode(key - M_EVENT)) >= 0) { 799 result = code; 800 } 801 continue; 802 } 803 #endif 804 break; 805 } 806 807 new_scroll = scrollamt; 808 new_choice = choice; 809 if (do_scroll) { 810 if (scroll_next(form, items, move_by, &new_choice, &new_scroll)) { 811 if (choice != new_choice) { 812 choice = new_choice; 813 field_changed = TRUE; 814 } 815 if (scrollamt != new_scroll) { 816 scrollamt = new_scroll; 817 scroll_changed = TRUE; 818 } 819 } 820 continue; 821 } 822 if (do_tab) { 823 if (tab_next(form, items, item_no, move_by, &new_choice, &new_scroll)) { 824 if (choice != new_choice) { 825 choice = new_choice; 826 field_changed = TRUE; 827 } 828 if (scrollamt != new_scroll) { 829 scrollamt = new_scroll; 830 scroll_changed = TRUE; 831 } 832 } 833 continue; 834 } 835 } 836 837 if (state == sTEXT) { /* Input box selected */ 838 if (!is_readonly(current)) 839 edit = dlg_edit_string(current->text, &chr_offset, key, 840 fkey, first); 841 if (edit) { 842 dlg_show_string(form, current->text, chr_offset, 843 form_active_text_attr, 844 current->text_y - scrollamt, 845 current->text_x, 846 current->text_len, 847 is_hidden(current), first); 848 continue; 849 } 850 } 851 852 } 853 854 dlg_mouse_free_regions(); 855 dlg_del_window(dialog); 856 free(prompt); 857 858 *current_item = choice; 859 return result; 860 } 861 862 /* 863 * Free memory owned by a list of DIALOG_FORMITEM's. 864 */ 865 void 866 dlg_free_formitems(DIALOG_FORMITEM * items) 867 { 868 int n; 869 for (n = 0; items[n].name != 0; ++n) { 870 if (items[n].name_free) 871 free(items[n].name); 872 if (items[n].text_free) 873 free(items[n].text); 874 if (items[n].help_free && items[n].help != dlg_strempty()) 875 free(items[n].help); 876 } 877 free(items); 878 } 879 880 /* 881 * The script accepts values beginning at 1, while curses starts at 0. 882 */ 883 int 884 dlg_ordinate(const char *s) 885 { 886 int result = atoi(s); 887 if (result > 0) 888 --result; 889 else 890 result = 0; 891 return result; 892 } 893 894 int 895 dialog_form(const char *title, 896 const char *cprompt, 897 int height, 898 int width, 899 int form_height, 900 int item_no, 901 char **items) 902 { 903 int result; 904 int choice; 905 int i; 906 DIALOG_FORMITEM *listitems; 907 DIALOG_VARS save_vars; 908 bool show_status = FALSE; 909 910 dlg_save_vars(&save_vars); 911 dialog_vars.separate_output = TRUE; 912 913 listitems = dlg_calloc(DIALOG_FORMITEM, (size_t) item_no + 1); 914 assert_ptr(listitems, "dialog_form"); 915 916 for (i = 0; i < item_no; ++i) { 917 listitems[i].type = dialog_vars.formitem_type; 918 listitems[i].name = ItemName(i); 919 listitems[i].name_len = (int) strlen(ItemName(i)); 920 listitems[i].name_y = dlg_ordinate(ItemNameY(i)); 921 listitems[i].name_x = dlg_ordinate(ItemNameX(i)); 922 listitems[i].text = ItemText(i); 923 listitems[i].text_len = (int) strlen(ItemText(i)); 924 listitems[i].text_y = dlg_ordinate(ItemTextY(i)); 925 listitems[i].text_x = dlg_ordinate(ItemTextX(i)); 926 listitems[i].text_flen = atoi(ItemTextFLen(i)); 927 listitems[i].text_ilen = atoi(ItemTextILen(i)); 928 listitems[i].help = ((dialog_vars.item_help) 929 ? ItemHelp(i) 930 : dlg_strempty()); 931 } 932 933 result = dlg_form(title, 934 cprompt, 935 height, 936 width, 937 form_height, 938 item_no, 939 listitems, 940 &choice); 941 942 switch (result) { 943 case DLG_EXIT_OK: /* FALLTHRU */ 944 case DLG_EXIT_EXTRA: 945 show_status = TRUE; 946 break; 947 case DLG_EXIT_HELP: 948 dlg_add_result("HELP "); 949 show_status = dialog_vars.help_status; 950 if (USE_ITEM_HELP(listitems[choice].help)) { 951 dlg_add_string(listitems[choice].help); 952 result = DLG_EXIT_ITEM_HELP; 953 } else { 954 dlg_add_string(listitems[choice].name); 955 } 956 if (show_status) 957 dlg_add_separator(); 958 break; 959 } 960 if (show_status) { 961 for (i = 0; i < item_no; i++) { 962 if (listitems[i].text_flen > 0) { 963 dlg_add_string(listitems[i].text); 964 dlg_add_separator(); 965 } 966 } 967 } 968 969 dlg_free_formitems(listitems); 970 dlg_restore_vars(&save_vars); 971 972 return result; 973 } 974