1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org> 4 * 5 * Introduced single menu mode (show all sub-menus in one large tree). 6 * 2002-11-06 Petr Baudis <pasky@ucw.cz> 7 * 8 * i18n, 2005, Arnaldo Carvalho de Melo <acme@conectiva.com.br> 9 */ 10 11 #include <ctype.h> 12 #include <errno.h> 13 #include <fcntl.h> 14 #include <limits.h> 15 #include <stdarg.h> 16 #include <stdlib.h> 17 #include <string.h> 18 #include <strings.h> 19 #include <signal.h> 20 #include <unistd.h> 21 22 #include "lkc.h" 23 #include "lxdialog/dialog.h" 24 25 static const char mconf_readme[] = 26 "Overview\n" 27 "--------\n" 28 "This interface lets you select features and parameters for the build.\n" 29 "Features can either be built-in, modularized, or ignored. Parameters\n" 30 "must be entered in as decimal or hexadecimal numbers or text.\n" 31 "\n" 32 "Menu items beginning with following braces represent features that\n" 33 " [ ] can be built in or removed\n" 34 " < > can be built in, modularized or removed\n" 35 " { } can be built in or modularized (selected by other feature)\n" 36 " - - are selected by other feature,\n" 37 "while *, M or whitespace inside braces means to build in, build as\n" 38 "a module or to exclude the feature respectively.\n" 39 "\n" 40 "To change any of these features, highlight it with the cursor\n" 41 "keys and press <Y> to build it in, <M> to make it a module or\n" 42 "<N> to remove it. You may also press the <Space Bar> to cycle\n" 43 "through the available options (i.e. Y->N->M->Y).\n" 44 "\n" 45 "Some additional keyboard hints:\n" 46 "\n" 47 "Menus\n" 48 "----------\n" 49 "o Use the Up/Down arrow keys (cursor keys) to highlight the item you\n" 50 " wish to change or the submenu you wish to select and press <Enter>.\n" 51 " Submenus are designated by \"--->\", empty ones by \"----\".\n" 52 "\n" 53 " Shortcut: Press the option's highlighted letter (hotkey).\n" 54 " Pressing a hotkey more than once will sequence\n" 55 " through all visible items which use that hotkey.\n" 56 "\n" 57 " You may also use the <PAGE UP> and <PAGE DOWN> keys to scroll\n" 58 " unseen options into view.\n" 59 "\n" 60 "o To exit a menu use the cursor keys to highlight the <Exit> button\n" 61 " and press <ENTER>.\n" 62 "\n" 63 " Shortcut: Press <ESC><ESC> or <E> or <X> if there is no hotkey\n" 64 " using those letters. You may press a single <ESC>, but\n" 65 " there is a delayed response which you may find annoying.\n" 66 "\n" 67 " Also, the <TAB> and cursor keys will cycle between <Select>,\n" 68 " <Exit>, <Help>, <Save>, and <Load>.\n" 69 "\n" 70 "o To get help with an item, use the cursor keys to highlight <Help>\n" 71 " and press <ENTER>.\n" 72 "\n" 73 " Shortcut: Press <H> or <?>.\n" 74 "\n" 75 "o To toggle the display of hidden options, press <Z>.\n" 76 "\n" 77 "\n" 78 "Radiolists (Choice lists)\n" 79 "-----------\n" 80 "o Use the cursor keys to select the option you wish to set and press\n" 81 " <S> or the <SPACE BAR>.\n" 82 "\n" 83 " Shortcut: Press the first letter of the option you wish to set then\n" 84 " press <S> or <SPACE BAR>.\n" 85 "\n" 86 "o To see available help for the item, use the cursor keys to highlight\n" 87 " <Help> and Press <ENTER>.\n" 88 "\n" 89 " Shortcut: Press <H> or <?>.\n" 90 "\n" 91 " Also, the <TAB> and cursor keys will cycle between <Select> and\n" 92 " <Help>\n" 93 "\n" 94 "\n" 95 "Data Entry\n" 96 "-----------\n" 97 "o Enter the requested information and press <ENTER>\n" 98 " If you are entering hexadecimal values, it is not necessary to\n" 99 " add the '0x' prefix to the entry.\n" 100 "\n" 101 "o For help, use the <TAB> or cursor keys to highlight the help option\n" 102 " and press <ENTER>. You can try <TAB><H> as well.\n" 103 "\n" 104 "\n" 105 "Text Box (Help Window)\n" 106 "--------\n" 107 "o Use the cursor keys to scroll up/down/left/right. The VI editor\n" 108 " keys h,j,k,l function here as do <u>, <d>, <SPACE BAR> and <B> for\n" 109 " those who are familiar with less and lynx.\n" 110 "\n" 111 "o Press <E>, <X>, <q>, <Enter> or <Esc><Esc> to exit.\n" 112 "\n" 113 "\n" 114 "Alternate Configuration Files\n" 115 "-----------------------------\n" 116 "Menuconfig supports the use of alternate configuration files for\n" 117 "those who, for various reasons, find it necessary to switch\n" 118 "between different configurations.\n" 119 "\n" 120 "The <Save> button will let you save the current configuration to\n" 121 "a file of your choosing. Use the <Load> button to load a previously\n" 122 "saved alternate configuration.\n" 123 "\n" 124 "Even if you don't use alternate configuration files, but you find\n" 125 "during a Menuconfig session that you have completely messed up your\n" 126 "settings, you may use the <Load> button to restore your previously\n" 127 "saved settings from \".config\" without restarting Menuconfig.\n" 128 "\n" 129 "Other information\n" 130 "-----------------\n" 131 "If you use Menuconfig in an XTERM window, make sure you have your\n" 132 "$TERM variable set to point to an xterm definition which supports\n" 133 "color. Otherwise, Menuconfig will look rather bad. Menuconfig will\n" 134 "not display correctly in an RXVT window because rxvt displays only one\n" 135 "intensity of color, bright.\n" 136 "\n" 137 "Menuconfig will display larger menus on screens or xterms which are\n" 138 "set to display more than the standard 25 row by 80 column geometry.\n" 139 "In order for this to work, the \"stty size\" command must be able to\n" 140 "display the screen's current row and column geometry. I STRONGLY\n" 141 "RECOMMEND that you make sure you do NOT have the shell variables\n" 142 "LINES and COLUMNS exported into your environment. Some distributions\n" 143 "export those variables via /etc/profile. Some ncurses programs can\n" 144 "become confused when those variables (LINES & COLUMNS) don't reflect\n" 145 "the true screen size.\n" 146 "\n" 147 "Optional personality available\n" 148 "------------------------------\n" 149 "If you prefer to have all of the options listed in a single menu,\n" 150 "rather than the default multimenu hierarchy, run the menuconfig with\n" 151 "MENUCONFIG_MODE environment variable set to single_menu. Example:\n" 152 "\n" 153 "make MENUCONFIG_MODE=single_menu menuconfig\n" 154 "\n" 155 "<Enter> will then unroll the appropriate category, or enfold it if it\n" 156 "is already unrolled.\n" 157 "\n" 158 "Note that this mode can eventually be a little more CPU expensive\n" 159 "(especially with a larger number of unrolled categories) than the\n" 160 "default mode.\n" 161 "\n" 162 "Different color themes available\n" 163 "--------------------------------\n" 164 "It is possible to select different color themes using the variable\n" 165 "MENUCONFIG_COLOR. To select a theme use:\n" 166 "\n" 167 "make MENUCONFIG_COLOR=<theme> menuconfig\n" 168 "\n" 169 "Available themes are\n" 170 " mono => selects colors suitable for monochrome displays\n" 171 " blackbg => selects a color scheme with black background\n" 172 " classic => theme with blue background. The classic look\n" 173 " bluetitle => an LCD friendly version of classic. (default)\n" 174 "\n", 175 menu_instructions[] = 176 "Arrow keys navigate the menu. " 177 "<Enter> selects submenus ---> (or empty submenus ----). " 178 "Highlighted letters are hotkeys. " 179 "Pressing <Y> includes, <N> excludes, <M> modularizes features. " 180 "Press <Esc><Esc> to exit, <?> for Help, </> for Search. " 181 "Legend: [*] built-in [ ] excluded <M> module < > module capable", 182 radiolist_instructions[] = 183 "Use the arrow keys to navigate this window or " 184 "press the hotkey of the item you wish to select " 185 "followed by the <SPACE BAR>. " 186 "Press <?> for additional information about this option.", 187 inputbox_instructions_int[] = 188 "Please enter a decimal value. " 189 "Fractions will not be accepted. " 190 "Use the <TAB> key to move from the input field to the buttons below it.", 191 inputbox_instructions_hex[] = 192 "Please enter a hexadecimal value. " 193 "Use the <TAB> key to move from the input field to the buttons below it.", 194 inputbox_instructions_string[] = 195 "Please enter a string value. " 196 "Use the <TAB> key to move from the input field to the buttons below it.", 197 setmod_text[] = 198 "This feature depends on another which has been configured as a module.\n" 199 "As a result, this feature will be built as a module.", 200 load_config_text[] = 201 "Enter the name of the configuration file you wish to load. " 202 "Accept the name shown to restore the configuration you " 203 "last retrieved. Leave blank to abort.", 204 load_config_help[] = 205 "\n" 206 "For various reasons, one may wish to keep several different\n" 207 "configurations available on a single machine.\n" 208 "\n" 209 "If you have saved a previous configuration in a file other than the\n" 210 "default one, entering its name here will allow you to modify that\n" 211 "configuration.\n" 212 "\n" 213 "If you are uncertain, then you have probably never used alternate\n" 214 "configuration files. You should therefore leave this blank to abort.\n", 215 save_config_text[] = 216 "Enter a filename to which this configuration should be saved " 217 "as an alternate. Leave blank to abort.", 218 save_config_help[] = 219 "\n" 220 "For various reasons, one may wish to keep different configurations\n" 221 "available on a single machine.\n" 222 "\n" 223 "Entering a file name here will allow you to later retrieve, modify\n" 224 "and use the current configuration as an alternate to whatever\n" 225 "configuration options you have selected at that time.\n" 226 "\n" 227 "If you are uncertain what all this means then you should probably\n" 228 "leave this blank.\n", 229 search_help[] = 230 "\n" 231 "Search for symbols and display their relations.\n" 232 "Regular expressions are allowed.\n" 233 "Example: search for \"^FOO\"\n" 234 "Result:\n" 235 "-----------------------------------------------------------------\n" 236 "Symbol: FOO [=m]\n" 237 "Type : tristate\n" 238 "Prompt: Foo bus is used to drive the bar HW\n" 239 " Location:\n" 240 " -> Bus options (PCI, PCMCIA, EISA, ISA)\n" 241 " -> PCI support (PCI [=y])\n" 242 "(1) -> PCI access mode (<choice> [=y])\n" 243 " Defined at drivers/pci/Kconfig:47\n" 244 " Depends on: X86_LOCAL_APIC && X86_IO_APIC || IA64\n" 245 " Selects: LIBCRC32\n" 246 " Selected by: BAR [=n]\n" 247 "-----------------------------------------------------------------\n" 248 "o The line 'Type:' shows the type of the configuration option for\n" 249 " this symbol (bool, tristate, string, ...)\n" 250 "o The line 'Prompt:' shows the text used in the menu structure for\n" 251 " this symbol\n" 252 "o The 'Defined at' line tells at what file / line number the symbol\n" 253 " is defined\n" 254 "o The 'Depends on:' line tells what symbols need to be defined for\n" 255 " this symbol to be visible in the menu (selectable)\n" 256 "o The 'Location:' lines tells where in the menu structure this symbol\n" 257 " is located\n" 258 " A location followed by a [=y] indicates that this is a\n" 259 " selectable menu item - and the current value is displayed inside\n" 260 " brackets.\n" 261 " Press the key in the (#) prefix to jump directly to that\n" 262 " location. You will be returned to the current search results\n" 263 " after exiting this new menu.\n" 264 "o The 'Selects:' line tells what symbols will be automatically\n" 265 " selected if this symbol is selected (y or m)\n" 266 "o The 'Selected by' line tells what symbol has selected this symbol\n" 267 "\n" 268 "Only relevant lines are shown.\n" 269 "\n\n" 270 "Search examples:\n" 271 "Examples: USB => find all symbols containing USB\n" 272 " ^USB => find all symbols starting with USB\n" 273 " USB$ => find all symbols ending with USB\n" 274 "\n"; 275 276 static int indent; 277 static struct menu *current_menu; 278 static int child_count; 279 static int single_menu_mode; 280 static int show_all_options; 281 static int save_and_exit; 282 static int silent; 283 284 static void conf(struct menu *menu, struct menu *active_menu); 285 static void conf_choice(struct menu *menu); 286 static void conf_string(struct menu *menu); 287 static void conf_load(void); 288 static void conf_save(void); 289 static int show_textbox_ext(const char *title, char *text, int r, int c, 290 int *keys, int *vscroll, int *hscroll, 291 update_text_fn update_text, void *data); 292 static void show_textbox(const char *title, const char *text, int r, int c); 293 static void show_helptext(const char *title, const char *text); 294 static void show_help(struct menu *menu); 295 296 static char filename[PATH_MAX+1]; 297 static void set_config_filename(const char *config_filename) 298 { 299 static char menu_backtitle[PATH_MAX+128]; 300 int size; 301 302 size = snprintf(menu_backtitle, sizeof(menu_backtitle), 303 "%s - %s", config_filename, rootmenu.prompt->text); 304 if (size >= sizeof(menu_backtitle)) 305 menu_backtitle[sizeof(menu_backtitle)-1] = '\0'; 306 set_dialog_backtitle(menu_backtitle); 307 308 size = snprintf(filename, sizeof(filename), "%s", config_filename); 309 if (size >= sizeof(filename)) 310 filename[sizeof(filename)-1] = '\0'; 311 } 312 313 struct subtitle_part { 314 struct list_head entries; 315 const char *text; 316 }; 317 static LIST_HEAD(trail); 318 319 static struct subtitle_list *subtitles; 320 static void set_subtitle(void) 321 { 322 struct subtitle_part *sp; 323 struct subtitle_list *pos, *tmp; 324 325 for (pos = subtitles; pos != NULL; pos = tmp) { 326 tmp = pos->next; 327 free(pos); 328 } 329 330 subtitles = NULL; 331 list_for_each_entry(sp, &trail, entries) { 332 if (sp->text) { 333 if (pos) { 334 pos->next = xcalloc(1, sizeof(*pos)); 335 pos = pos->next; 336 } else { 337 subtitles = pos = xcalloc(1, sizeof(*pos)); 338 } 339 pos->text = sp->text; 340 } 341 } 342 343 set_dialog_subtitles(subtitles); 344 } 345 346 static void reset_subtitle(void) 347 { 348 struct subtitle_list *pos, *tmp; 349 350 for (pos = subtitles; pos != NULL; pos = tmp) { 351 tmp = pos->next; 352 free(pos); 353 } 354 subtitles = NULL; 355 set_dialog_subtitles(subtitles); 356 } 357 358 struct search_data { 359 struct list_head *head; 360 struct menu **targets; 361 int *keys; 362 }; 363 364 static void update_text(char *buf, size_t start, size_t end, void *_data) 365 { 366 struct search_data *data = _data; 367 struct jump_key *pos; 368 int k = 0; 369 370 list_for_each_entry(pos, data->head, entries) { 371 if (pos->offset >= start && pos->offset < end) { 372 char header[4]; 373 374 if (k < JUMP_NB) { 375 int key = '0' + (pos->index % JUMP_NB) + 1; 376 377 sprintf(header, "(%c)", key); 378 data->keys[k] = key; 379 data->targets[k] = pos->target; 380 k++; 381 } else { 382 sprintf(header, " "); 383 } 384 385 memcpy(buf + pos->offset, header, sizeof(header) - 1); 386 } 387 } 388 data->keys[k] = 0; 389 } 390 391 static void search_conf(void) 392 { 393 struct symbol **sym_arr; 394 struct gstr res; 395 struct gstr title; 396 char *dialog_input; 397 int dres, vscroll = 0, hscroll = 0; 398 bool again; 399 struct gstr sttext; 400 struct subtitle_part stpart; 401 402 title = str_new(); 403 str_printf( &title, "Enter (sub)string or regexp to search for " 404 "(with or without \"%s\")", CONFIG_); 405 406 again: 407 dialog_clear(); 408 dres = dialog_inputbox("Search Configuration Parameter", 409 str_get(&title), 410 10, 75, ""); 411 switch (dres) { 412 case 0: 413 break; 414 case 1: 415 show_helptext("Search Configuration", search_help); 416 goto again; 417 default: 418 str_free(&title); 419 return; 420 } 421 422 /* strip the prefix if necessary */ 423 dialog_input = dialog_input_result; 424 if (strncasecmp(dialog_input_result, CONFIG_, strlen(CONFIG_)) == 0) 425 dialog_input += strlen(CONFIG_); 426 427 sttext = str_new(); 428 str_printf(&sttext, "Search (%s)", dialog_input_result); 429 stpart.text = str_get(&sttext); 430 list_add_tail(&stpart.entries, &trail); 431 432 sym_arr = sym_re_search(dialog_input); 433 do { 434 LIST_HEAD(head); 435 struct menu *targets[JUMP_NB]; 436 int keys[JUMP_NB + 1], i; 437 struct search_data data = { 438 .head = &head, 439 .targets = targets, 440 .keys = keys, 441 }; 442 struct jump_key *pos, *tmp; 443 444 res = get_relations_str(sym_arr, &head); 445 set_subtitle(); 446 dres = show_textbox_ext("Search Results", (char *) 447 str_get(&res), 0, 0, keys, &vscroll, 448 &hscroll, &update_text, (void *) 449 &data); 450 again = false; 451 for (i = 0; i < JUMP_NB && keys[i]; i++) 452 if (dres == keys[i]) { 453 conf(targets[i]->parent, targets[i]); 454 again = true; 455 } 456 str_free(&res); 457 list_for_each_entry_safe(pos, tmp, &head, entries) 458 free(pos); 459 } while (again); 460 free(sym_arr); 461 str_free(&title); 462 list_del(trail.prev); 463 str_free(&sttext); 464 } 465 466 static void build_conf(struct menu *menu) 467 { 468 struct symbol *sym; 469 struct property *prop; 470 struct menu *child; 471 int type, tmp, doint = 2; 472 tristate val; 473 char ch; 474 bool visible; 475 476 /* 477 * note: menu_is_visible() has side effect that it will 478 * recalc the value of the symbol. 479 */ 480 visible = menu_is_visible(menu); 481 if (show_all_options && !menu_has_prompt(menu)) 482 return; 483 else if (!show_all_options && !visible) 484 return; 485 486 sym = menu->sym; 487 prop = menu->prompt; 488 if (!sym) { 489 if (prop && menu != current_menu) { 490 const char *prompt = menu_get_prompt(menu); 491 switch (prop->type) { 492 case P_MENU: 493 child_count++; 494 if (single_menu_mode) { 495 item_make("%s%*c%s", 496 menu->data ? "-->" : "++>", 497 indent + 1, ' ', prompt); 498 } else 499 item_make(" %*c%s %s", 500 indent + 1, ' ', prompt, 501 menu_is_empty(menu) ? "----" : "--->"); 502 item_set_tag('m'); 503 item_set_data(menu); 504 if (single_menu_mode && menu->data) 505 goto conf_childs; 506 return; 507 case P_COMMENT: 508 if (prompt) { 509 child_count++; 510 item_make(" %*c*** %s ***", indent + 1, ' ', prompt); 511 item_set_tag(':'); 512 item_set_data(menu); 513 } 514 break; 515 default: 516 if (prompt) { 517 child_count++; 518 item_make("---%*c%s", indent + 1, ' ', prompt); 519 item_set_tag(':'); 520 item_set_data(menu); 521 } 522 } 523 } else 524 doint = 0; 525 goto conf_childs; 526 } 527 528 type = sym_get_type(sym); 529 if (sym_is_choice(sym)) { 530 struct symbol *def_sym = sym_get_choice_value(sym); 531 struct menu *def_menu = NULL; 532 533 child_count++; 534 for (child = menu->list; child; child = child->next) { 535 if (menu_is_visible(child) && child->sym == def_sym) 536 def_menu = child; 537 } 538 539 val = sym_get_tristate_value(sym); 540 if (sym_is_changeable(sym)) { 541 switch (type) { 542 case S_BOOLEAN: 543 item_make("[%c]", val == no ? ' ' : '*'); 544 break; 545 case S_TRISTATE: 546 switch (val) { 547 case yes: ch = '*'; break; 548 case mod: ch = 'M'; break; 549 default: ch = ' '; break; 550 } 551 item_make("<%c>", ch); 552 break; 553 } 554 item_set_tag('t'); 555 item_set_data(menu); 556 } else { 557 item_make(" "); 558 item_set_tag(def_menu ? 't' : ':'); 559 item_set_data(menu); 560 } 561 562 item_add_str("%*c%s", indent + 1, ' ', menu_get_prompt(menu)); 563 if (val == yes) { 564 if (def_menu) { 565 item_add_str(" (%s)", menu_get_prompt(def_menu)); 566 item_add_str(" --->"); 567 if (def_menu->list) { 568 indent += 2; 569 build_conf(def_menu); 570 indent -= 2; 571 } 572 } 573 return; 574 } 575 } else { 576 if (menu == current_menu) { 577 item_make("---%*c%s", indent + 1, ' ', menu_get_prompt(menu)); 578 item_set_tag(':'); 579 item_set_data(menu); 580 goto conf_childs; 581 } 582 child_count++; 583 val = sym_get_tristate_value(sym); 584 if (sym_is_choice_value(sym) && val == yes) { 585 item_make(" "); 586 item_set_tag(':'); 587 item_set_data(menu); 588 } else { 589 switch (type) { 590 case S_BOOLEAN: 591 if (sym_is_changeable(sym)) 592 item_make("[%c]", val == no ? ' ' : '*'); 593 else 594 item_make("-%c-", val == no ? ' ' : '*'); 595 item_set_tag('t'); 596 item_set_data(menu); 597 break; 598 case S_TRISTATE: 599 switch (val) { 600 case yes: ch = '*'; break; 601 case mod: ch = 'M'; break; 602 default: ch = ' '; break; 603 } 604 if (sym_is_changeable(sym)) { 605 if (sym->rev_dep.tri == mod) 606 item_make("{%c}", ch); 607 else 608 item_make("<%c>", ch); 609 } else 610 item_make("-%c-", ch); 611 item_set_tag('t'); 612 item_set_data(menu); 613 break; 614 default: 615 tmp = 2 + strlen(sym_get_string_value(sym)); /* () = 2 */ 616 item_make("(%s)", sym_get_string_value(sym)); 617 tmp = indent - tmp + 4; 618 if (tmp < 0) 619 tmp = 0; 620 item_add_str("%*c%s%s", tmp, ' ', menu_get_prompt(menu), 621 (sym_has_value(sym) || !sym_is_changeable(sym)) ? 622 "" : " (NEW)"); 623 item_set_tag('s'); 624 item_set_data(menu); 625 goto conf_childs; 626 } 627 } 628 item_add_str("%*c%s%s", indent + 1, ' ', menu_get_prompt(menu), 629 (sym_has_value(sym) || !sym_is_changeable(sym)) ? 630 "" : " (NEW)"); 631 if (menu->prompt->type == P_MENU) { 632 item_add_str(" %s", menu_is_empty(menu) ? "----" : "--->"); 633 return; 634 } 635 } 636 637 conf_childs: 638 indent += doint; 639 for (child = menu->list; child; child = child->next) 640 build_conf(child); 641 indent -= doint; 642 } 643 644 static void conf(struct menu *menu, struct menu *active_menu) 645 { 646 struct menu *submenu; 647 const char *prompt = menu_get_prompt(menu); 648 struct subtitle_part stpart; 649 struct symbol *sym; 650 int res; 651 int s_scroll = 0; 652 653 if (menu != &rootmenu) 654 stpart.text = menu_get_prompt(menu); 655 else 656 stpart.text = NULL; 657 list_add_tail(&stpart.entries, &trail); 658 659 while (1) { 660 item_reset(); 661 current_menu = menu; 662 build_conf(menu); 663 if (!child_count) 664 break; 665 set_subtitle(); 666 dialog_clear(); 667 res = dialog_menu(prompt ? prompt : "Main Menu", 668 menu_instructions, 669 active_menu, &s_scroll); 670 if (res == 1 || res == KEY_ESC || res == -ERRDISPLAYTOOSMALL) 671 break; 672 if (item_count() != 0) { 673 if (!item_activate_selected()) 674 continue; 675 if (!item_tag()) 676 continue; 677 } 678 submenu = item_data(); 679 active_menu = item_data(); 680 if (submenu) 681 sym = submenu->sym; 682 else 683 sym = NULL; 684 685 switch (res) { 686 case 0: 687 switch (item_tag()) { 688 case 'm': 689 if (single_menu_mode) 690 submenu->data = (void *) (long) !submenu->data; 691 else 692 conf(submenu, NULL); 693 break; 694 case 't': 695 if (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes) 696 conf_choice(submenu); 697 else if (submenu->prompt->type == P_MENU) 698 conf(submenu, NULL); 699 break; 700 case 's': 701 conf_string(submenu); 702 break; 703 } 704 break; 705 case 2: 706 if (sym) 707 show_help(submenu); 708 else { 709 reset_subtitle(); 710 show_helptext("README", mconf_readme); 711 } 712 break; 713 case 3: 714 reset_subtitle(); 715 conf_save(); 716 break; 717 case 4: 718 reset_subtitle(); 719 conf_load(); 720 break; 721 case 5: 722 if (item_is_tag('t')) { 723 if (sym_set_tristate_value(sym, yes)) 724 break; 725 if (sym_set_tristate_value(sym, mod)) 726 show_textbox(NULL, setmod_text, 6, 74); 727 } 728 break; 729 case 6: 730 if (item_is_tag('t')) 731 sym_set_tristate_value(sym, no); 732 break; 733 case 7: 734 if (item_is_tag('t')) 735 sym_set_tristate_value(sym, mod); 736 break; 737 case 8: 738 if (item_is_tag('t')) 739 sym_toggle_tristate_value(sym); 740 else if (item_is_tag('m')) 741 conf(submenu, NULL); 742 break; 743 case 9: 744 search_conf(); 745 break; 746 case 10: 747 show_all_options = !show_all_options; 748 break; 749 } 750 } 751 752 list_del(trail.prev); 753 } 754 755 static int show_textbox_ext(const char *title, char *text, int r, int c, int 756 *keys, int *vscroll, int *hscroll, update_text_fn 757 update_text, void *data) 758 { 759 dialog_clear(); 760 return dialog_textbox(title, text, r, c, keys, vscroll, hscroll, 761 update_text, data); 762 } 763 764 static void show_textbox(const char *title, const char *text, int r, int c) 765 { 766 show_textbox_ext(title, (char *) text, r, c, (int []) {0}, NULL, NULL, 767 NULL, NULL); 768 } 769 770 static void show_helptext(const char *title, const char *text) 771 { 772 show_textbox(title, text, 0, 0); 773 } 774 775 static void conf_message_callback(const char *s) 776 { 777 if (save_and_exit) { 778 if (!silent) 779 printf("%s", s); 780 } else { 781 show_textbox(NULL, s, 6, 60); 782 } 783 } 784 785 static void show_help(struct menu *menu) 786 { 787 struct gstr help = str_new(); 788 789 help.max_width = getmaxx(stdscr) - 10; 790 menu_get_ext_help(menu, &help); 791 792 show_helptext(menu_get_prompt(menu), str_get(&help)); 793 str_free(&help); 794 } 795 796 static void conf_choice(struct menu *menu) 797 { 798 const char *prompt = menu_get_prompt(menu); 799 struct menu *child; 800 struct symbol *active; 801 802 active = sym_get_choice_value(menu->sym); 803 while (1) { 804 int res; 805 int selected; 806 item_reset(); 807 808 current_menu = menu; 809 for (child = menu->list; child; child = child->next) { 810 if (!menu_is_visible(child)) 811 continue; 812 if (child->sym) 813 item_make("%s", menu_get_prompt(child)); 814 else { 815 item_make("*** %s ***", menu_get_prompt(child)); 816 item_set_tag(':'); 817 } 818 item_set_data(child); 819 if (child->sym == active) 820 item_set_selected(1); 821 if (child->sym == sym_get_choice_value(menu->sym)) 822 item_set_tag('X'); 823 } 824 dialog_clear(); 825 res = dialog_checklist(prompt ? prompt : "Main Menu", 826 radiolist_instructions, 827 MENUBOX_HEIGTH_MIN, 828 MENUBOX_WIDTH_MIN, 829 CHECKLIST_HEIGTH_MIN); 830 selected = item_activate_selected(); 831 switch (res) { 832 case 0: 833 if (selected) { 834 child = item_data(); 835 if (!child->sym) 836 break; 837 838 sym_set_tristate_value(child->sym, yes); 839 } 840 return; 841 case 1: 842 if (selected) { 843 child = item_data(); 844 show_help(child); 845 active = child->sym; 846 } else 847 show_help(menu); 848 break; 849 case KEY_ESC: 850 return; 851 case -ERRDISPLAYTOOSMALL: 852 return; 853 } 854 } 855 } 856 857 static void conf_string(struct menu *menu) 858 { 859 const char *prompt = menu_get_prompt(menu); 860 861 while (1) { 862 int res; 863 const char *heading; 864 865 switch (sym_get_type(menu->sym)) { 866 case S_INT: 867 heading = inputbox_instructions_int; 868 break; 869 case S_HEX: 870 heading = inputbox_instructions_hex; 871 break; 872 case S_STRING: 873 heading = inputbox_instructions_string; 874 break; 875 default: 876 heading = "Internal mconf error!"; 877 } 878 dialog_clear(); 879 res = dialog_inputbox(prompt ? prompt : "Main Menu", 880 heading, 10, 75, 881 sym_get_string_value(menu->sym)); 882 switch (res) { 883 case 0: 884 if (sym_set_string_value(menu->sym, dialog_input_result)) 885 return; 886 show_textbox(NULL, "You have made an invalid entry.", 5, 43); 887 break; 888 case 1: 889 show_help(menu); 890 break; 891 case KEY_ESC: 892 return; 893 } 894 } 895 } 896 897 static void conf_load(void) 898 { 899 900 while (1) { 901 int res; 902 dialog_clear(); 903 res = dialog_inputbox(NULL, load_config_text, 904 11, 55, filename); 905 switch(res) { 906 case 0: 907 if (!dialog_input_result[0]) 908 return; 909 if (!conf_read(dialog_input_result)) { 910 set_config_filename(dialog_input_result); 911 sym_set_change_count(1); 912 return; 913 } 914 show_textbox(NULL, "File does not exist!", 5, 38); 915 break; 916 case 1: 917 show_helptext("Load Alternate Configuration", load_config_help); 918 break; 919 case KEY_ESC: 920 return; 921 } 922 } 923 } 924 925 static void conf_save(void) 926 { 927 while (1) { 928 int res; 929 dialog_clear(); 930 res = dialog_inputbox(NULL, save_config_text, 931 11, 55, filename); 932 switch(res) { 933 case 0: 934 if (!dialog_input_result[0]) 935 return; 936 if (!conf_write(dialog_input_result)) { 937 set_config_filename(dialog_input_result); 938 return; 939 } 940 show_textbox(NULL, "Can't create file!", 5, 60); 941 break; 942 case 1: 943 show_helptext("Save Alternate Configuration", save_config_help); 944 break; 945 case KEY_ESC: 946 return; 947 } 948 } 949 } 950 951 static int handle_exit(void) 952 { 953 int res; 954 955 save_and_exit = 1; 956 reset_subtitle(); 957 dialog_clear(); 958 if (conf_get_changed()) 959 res = dialog_yesno(NULL, 960 "Do you wish to save your new configuration?\n" 961 "(Press <ESC><ESC> to continue kernel configuration.)", 962 6, 60); 963 else 964 res = -1; 965 966 end_dialog(saved_x, saved_y); 967 968 switch (res) { 969 case 0: 970 if (conf_write(filename)) { 971 fprintf(stderr, "\n\n" 972 "Error while writing of the configuration.\n" 973 "Your configuration changes were NOT saved." 974 "\n\n"); 975 return 1; 976 } 977 conf_write_autoconf(0); 978 /* fall through */ 979 case -1: 980 if (!silent) 981 printf("\n\n" 982 "*** End of the configuration.\n" 983 "*** Execute 'make' to start the build or try 'make help'." 984 "\n\n"); 985 res = 0; 986 break; 987 default: 988 if (!silent) 989 fprintf(stderr, "\n\n" 990 "Your configuration changes were NOT saved." 991 "\n\n"); 992 if (res != KEY_ESC) 993 res = 0; 994 } 995 996 return res; 997 } 998 999 static void sig_handler(int signo) 1000 { 1001 exit(handle_exit()); 1002 } 1003 1004 int main(int ac, char **av) 1005 { 1006 char *mode; 1007 int res; 1008 1009 signal(SIGINT, sig_handler); 1010 1011 if (ac > 1 && strcmp(av[1], "-s") == 0) { 1012 silent = 1; 1013 /* Silence conf_read() until the real callback is set up */ 1014 conf_set_message_callback(NULL); 1015 av++; 1016 } 1017 conf_parse(av[1]); 1018 conf_read(NULL); 1019 1020 mode = getenv("MENUCONFIG_MODE"); 1021 if (mode) { 1022 if (!strcasecmp(mode, "single_menu")) 1023 single_menu_mode = 1; 1024 } 1025 1026 if (init_dialog(NULL)) { 1027 fprintf(stderr, "Your display is too small to run Menuconfig!\n"); 1028 fprintf(stderr, "It must be at least 19 lines by 80 columns.\n"); 1029 return 1; 1030 } 1031 1032 set_config_filename(conf_get_configname()); 1033 conf_set_message_callback(conf_message_callback); 1034 do { 1035 conf(&rootmenu, NULL); 1036 res = handle_exit(); 1037 } while (res == KEY_ESC); 1038 1039 return res; 1040 } 1041