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