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