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 "Different color themes available\n" 165 "--------------------------------\n" 166 "It is possible to select different color themes using the variable\n" 167 "MENUCONFIG_COLOR. To select a theme use:\n" 168 "\n" 169 "make MENUCONFIG_COLOR=<theme> menuconfig\n" 170 "\n" 171 "Available themes are\n" 172 " mono => selects colors suitable for monochrome displays\n" 173 " blackbg => selects a color scheme with black background\n" 174 " classic => theme with blue background. The classic look\n" 175 " bluetitle => an LCD friendly version of classic. (default)\n" 176 "\n", 177 menu_instructions[] = 178 "Arrow keys navigate the menu. " 179 "<Enter> selects submenus ---> (or empty submenus ----). " 180 "Highlighted letters are hotkeys. " 181 "Pressing <Y> includes, <N> excludes, <M> modularizes features. " 182 "Press <Esc><Esc> to exit, <?> for Help, </> for Search. " 183 "Legend: [*] built-in [ ] excluded <M> module < > module capable", 184 radiolist_instructions[] = 185 "Use the arrow keys to navigate this window or " 186 "press the hotkey of the item you wish to select " 187 "followed by the <SPACE BAR>. " 188 "Press <?> for additional information about this option.", 189 inputbox_instructions_int[] = 190 "Please enter a decimal value. " 191 "Fractions will not be accepted. " 192 "Use the <TAB> key to move from the input field to the buttons below it.", 193 inputbox_instructions_hex[] = 194 "Please enter a hexadecimal value. " 195 "Use the <TAB> key to move from the input field to the buttons below it.", 196 inputbox_instructions_string[] = 197 "Please enter a string value. " 198 "Use the <TAB> key to move from the input field to the buttons below it.", 199 setmod_text[] = 200 "This feature depends on another which has been configured as a module.\n" 201 "As a result, this feature will be built as a module.", 202 load_config_text[] = 203 "Enter the name of the configuration file you wish to load. " 204 "Accept the name shown to restore the configuration you " 205 "last retrieved. Leave blank to abort.", 206 load_config_help[] = 207 "\n" 208 "For various reasons, one may wish to keep several different\n" 209 "configurations available on a single machine.\n" 210 "\n" 211 "If you have saved a previous configuration in a file other than the\n" 212 "default one, entering its name here will allow you to modify that\n" 213 "configuration.\n" 214 "\n" 215 "If you are uncertain, then you have probably never used alternate\n" 216 "configuration files. You should therefore leave this blank to abort.\n", 217 save_config_text[] = 218 "Enter a filename to which this configuration should be saved " 219 "as an alternate. Leave blank to abort.", 220 save_config_help[] = 221 "\n" 222 "For various reasons, one may wish to keep different configurations\n" 223 "available on a single machine.\n" 224 "\n" 225 "Entering a file name here will allow you to later retrieve, modify\n" 226 "and use the current configuration as an alternate to whatever\n" 227 "configuration options you have selected at that time.\n" 228 "\n" 229 "If you are uncertain what all this means then you should probably\n" 230 "leave this blank.\n", 231 search_help[] = 232 "\n" 233 "Search for symbols and display their relations.\n" 234 "Regular expressions are allowed.\n" 235 "Example: search for \"^FOO\"\n" 236 "Result:\n" 237 "-----------------------------------------------------------------\n" 238 "Symbol: FOO [=m]\n" 239 "Type : tristate\n" 240 "Prompt: Foo bus is used to drive the bar HW\n" 241 " Location:\n" 242 " -> Bus options (PCI, PCMCIA, EISA, ISA)\n" 243 " -> PCI support (PCI [=y])\n" 244 "(1) -> PCI access mode (<choice> [=y])\n" 245 " Defined at drivers/pci/Kconfig:47\n" 246 " Depends on: X86_LOCAL_APIC && X86_IO_APIC || IA64\n" 247 " Selects: LIBCRC32\n" 248 " Selected by: BAR [=n]\n" 249 "-----------------------------------------------------------------\n" 250 "o The line 'Type:' shows the type of the configuration option for\n" 251 " this symbol (bool, tristate, string, ...)\n" 252 "o The line 'Prompt:' shows the text used in the menu structure for\n" 253 " this symbol\n" 254 "o The 'Defined at' line tells at what file / line number the symbol\n" 255 " is defined\n" 256 "o The 'Depends on:' line tells what symbols need to be defined for\n" 257 " this symbol to be visible in the menu (selectable)\n" 258 "o The 'Location:' lines tells where in the menu structure this symbol\n" 259 " is located\n" 260 " A location followed by a [=y] indicates that this is a\n" 261 " selectable menu item - and the current value is displayed inside\n" 262 " brackets.\n" 263 " Press the key in the (#) prefix to jump directly to that\n" 264 " location. You will be returned to the current search results\n" 265 " after exiting this new menu.\n" 266 "o The 'Selects:' line tells what symbols will be automatically\n" 267 " selected if this symbol is selected (y or m)\n" 268 "o The 'Selected by' line tells what symbol has selected this symbol\n" 269 "\n" 270 "Only relevant lines are shown.\n" 271 "\n\n" 272 "Search examples:\n" 273 "Examples: USB => find all symbols containing USB\n" 274 " ^USB => find all symbols starting with USB\n" 275 " USB$ => find all symbols ending with USB\n" 276 "\n"; 277 278 static int indent; 279 static struct menu *current_menu; 280 static int child_count; 281 static int single_menu_mode; 282 static int show_all_options; 283 static int save_and_exit; 284 static int silent; 285 286 static void conf(struct menu *menu, struct menu *active_menu); 287 static void conf_choice(struct menu *menu); 288 static void conf_string(struct menu *menu); 289 static void conf_load(void); 290 static void conf_save(void); 291 static int show_textbox_ext(const char *title, char *text, int r, int c, 292 int *keys, int *vscroll, int *hscroll, 293 update_text_fn update_text, void *data); 294 static void show_textbox(const char *title, const char *text, int r, int c); 295 static void show_helptext(const char *title, const char *text); 296 static void show_help(struct menu *menu); 297 298 static char filename[PATH_MAX+1]; 299 static void set_config_filename(const char *config_filename) 300 { 301 static char menu_backtitle[PATH_MAX+128]; 302 303 snprintf(menu_backtitle, sizeof(menu_backtitle), "%s - %s", 304 config_filename, rootmenu.prompt->text); 305 set_dialog_backtitle(menu_backtitle); 306 307 snprintf(filename, sizeof(filename), "%s", config_filename); 308 } 309 310 struct subtitle_part { 311 struct list_head entries; 312 const char *text; 313 }; 314 static LIST_HEAD(trail); 315 316 static struct subtitle_list *subtitles; 317 static void set_subtitle(void) 318 { 319 struct subtitle_part *sp; 320 struct subtitle_list *pos, *tmp; 321 322 for (pos = subtitles; pos != NULL; pos = tmp) { 323 tmp = pos->next; 324 free(pos); 325 } 326 327 subtitles = NULL; 328 list_for_each_entry(sp, &trail, entries) { 329 if (sp->text) { 330 if (pos) { 331 pos->next = xcalloc(1, sizeof(*pos)); 332 pos = pos->next; 333 } else { 334 subtitles = pos = xcalloc(1, sizeof(*pos)); 335 } 336 pos->text = sp->text; 337 } 338 } 339 340 set_dialog_subtitles(subtitles); 341 } 342 343 static void reset_subtitle(void) 344 { 345 struct subtitle_list *pos, *tmp; 346 347 for (pos = subtitles; pos != NULL; pos = tmp) { 348 tmp = pos->next; 349 free(pos); 350 } 351 subtitles = NULL; 352 set_dialog_subtitles(subtitles); 353 } 354 355 struct search_data { 356 struct list_head *head; 357 struct menu **targets; 358 int *keys; 359 }; 360 361 static void update_text(char *buf, size_t start, size_t end, void *_data) 362 { 363 struct search_data *data = _data; 364 struct jump_key *pos; 365 int k = 0; 366 367 list_for_each_entry(pos, data->head, entries) { 368 if (pos->offset >= start && pos->offset < end) { 369 char header[4]; 370 371 if (k < JUMP_NB) { 372 int key = '0' + (pos->index % JUMP_NB) + 1; 373 374 sprintf(header, "(%c)", key); 375 data->keys[k] = key; 376 data->targets[k] = pos->target; 377 k++; 378 } else { 379 sprintf(header, " "); 380 } 381 382 memcpy(buf + pos->offset, header, sizeof(header) - 1); 383 } 384 } 385 data->keys[k] = 0; 386 } 387 388 static void search_conf(void) 389 { 390 struct symbol **sym_arr; 391 struct gstr res; 392 struct gstr title; 393 char *dialog_input; 394 int dres, vscroll = 0, hscroll = 0; 395 bool again; 396 struct gstr sttext; 397 struct subtitle_part stpart; 398 399 title = str_new(); 400 str_printf( &title, "Enter (sub)string or regexp to search for " 401 "(with or without \"%s\")", CONFIG_); 402 403 again: 404 dialog_clear(); 405 dres = dialog_inputbox("Search Configuration Parameter", 406 str_get(&title), 407 10, 75, ""); 408 switch (dres) { 409 case 0: 410 break; 411 case 1: 412 show_helptext("Search Configuration", search_help); 413 goto again; 414 default: 415 str_free(&title); 416 return; 417 } 418 419 /* strip the prefix if necessary */ 420 dialog_input = dialog_input_result; 421 if (strncasecmp(dialog_input_result, CONFIG_, strlen(CONFIG_)) == 0) 422 dialog_input += strlen(CONFIG_); 423 424 sttext = str_new(); 425 str_printf(&sttext, "Search (%s)", dialog_input_result); 426 stpart.text = str_get(&sttext); 427 list_add_tail(&stpart.entries, &trail); 428 429 sym_arr = sym_re_search(dialog_input); 430 do { 431 LIST_HEAD(head); 432 struct menu *targets[JUMP_NB]; 433 int keys[JUMP_NB + 1], i; 434 struct search_data data = { 435 .head = &head, 436 .targets = targets, 437 .keys = keys, 438 }; 439 struct jump_key *pos, *tmp; 440 441 res = get_relations_str(sym_arr, &head); 442 set_subtitle(); 443 dres = show_textbox_ext("Search Results", str_get(&res), 0, 0, 444 keys, &vscroll, &hscroll, &update_text, 445 &data); 446 again = false; 447 for (i = 0; i < JUMP_NB && keys[i]; i++) 448 if (dres == keys[i]) { 449 conf(targets[i]->parent, targets[i]); 450 again = true; 451 } 452 str_free(&res); 453 list_for_each_entry_safe(pos, tmp, &head, entries) 454 free(pos); 455 } while (again); 456 free(sym_arr); 457 str_free(&title); 458 list_del(trail.prev); 459 str_free(&sttext); 460 } 461 462 static void build_conf(struct menu *menu) 463 { 464 struct symbol *sym; 465 struct property *prop; 466 struct menu *child; 467 int type, tmp, doint = 2; 468 tristate val; 469 char ch; 470 bool visible; 471 472 /* 473 * note: menu_is_visible() has side effect that it will 474 * recalc the value of the symbol. 475 */ 476 visible = menu_is_visible(menu); 477 if (show_all_options && !menu_has_prompt(menu)) 478 return; 479 else if (!show_all_options && !visible) 480 return; 481 482 sym = menu->sym; 483 prop = menu->prompt; 484 if (!sym) { 485 if (prop && menu != current_menu) { 486 const char *prompt = menu_get_prompt(menu); 487 switch (prop->type) { 488 case P_MENU: 489 child_count++; 490 if (single_menu_mode) { 491 item_make("%s%*c%s", 492 menu->data ? "-->" : "++>", 493 indent + 1, ' ', prompt); 494 } else 495 item_make(" %*c%s %s", 496 indent + 1, ' ', prompt, 497 menu_is_empty(menu) ? "----" : "--->"); 498 item_set_tag('m'); 499 item_set_data(menu); 500 if (single_menu_mode && menu->data) 501 goto conf_childs; 502 return; 503 case P_COMMENT: 504 if (prompt) { 505 child_count++; 506 item_make(" %*c*** %s ***", indent + 1, ' ', prompt); 507 item_set_tag(':'); 508 item_set_data(menu); 509 } 510 break; 511 default: 512 if (prompt) { 513 child_count++; 514 item_make("---%*c%s", indent + 1, ' ', prompt); 515 item_set_tag(':'); 516 item_set_data(menu); 517 } 518 } 519 } else 520 doint = 0; 521 goto conf_childs; 522 } 523 524 type = sym_get_type(sym); 525 if (sym_is_choice(sym)) { 526 struct symbol *def_sym = sym_get_choice_value(sym); 527 struct menu *def_menu = NULL; 528 529 child_count++; 530 for (child = menu->list; child; child = child->next) { 531 if (menu_is_visible(child) && child->sym == def_sym) 532 def_menu = child; 533 } 534 535 val = sym_get_tristate_value(sym); 536 if (sym_is_changeable(sym)) { 537 switch (type) { 538 case S_BOOLEAN: 539 item_make("[%c]", val == no ? ' ' : '*'); 540 break; 541 case S_TRISTATE: 542 switch (val) { 543 case yes: ch = '*'; break; 544 case mod: ch = 'M'; break; 545 default: ch = ' '; break; 546 } 547 item_make("<%c>", ch); 548 break; 549 } 550 item_set_tag('t'); 551 item_set_data(menu); 552 } else { 553 item_make(" "); 554 item_set_tag(def_menu ? 't' : ':'); 555 item_set_data(menu); 556 } 557 558 item_add_str("%*c%s", indent + 1, ' ', menu_get_prompt(menu)); 559 if (val == yes) { 560 if (def_menu) { 561 item_add_str(" (%s)", menu_get_prompt(def_menu)); 562 item_add_str(" --->"); 563 if (def_menu->list) { 564 indent += 2; 565 build_conf(def_menu); 566 indent -= 2; 567 } 568 } 569 return; 570 } 571 } else { 572 if (menu == current_menu) { 573 item_make("---%*c%s", indent + 1, ' ', menu_get_prompt(menu)); 574 item_set_tag(':'); 575 item_set_data(menu); 576 goto conf_childs; 577 } 578 child_count++; 579 val = sym_get_tristate_value(sym); 580 if (sym_is_choice_value(sym) && val == yes) { 581 item_make(" "); 582 item_set_tag(':'); 583 item_set_data(menu); 584 } else { 585 switch (type) { 586 case S_BOOLEAN: 587 if (sym_is_changeable(sym)) 588 item_make("[%c]", val == no ? ' ' : '*'); 589 else 590 item_make("-%c-", val == no ? ' ' : '*'); 591 item_set_tag('t'); 592 item_set_data(menu); 593 break; 594 case S_TRISTATE: 595 switch (val) { 596 case yes: ch = '*'; break; 597 case mod: ch = 'M'; break; 598 default: ch = ' '; break; 599 } 600 if (sym_is_changeable(sym)) { 601 if (sym->rev_dep.tri == mod) 602 item_make("{%c}", ch); 603 else 604 item_make("<%c>", ch); 605 } else 606 item_make("-%c-", ch); 607 item_set_tag('t'); 608 item_set_data(menu); 609 break; 610 default: 611 tmp = 2 + strlen(sym_get_string_value(sym)); /* () = 2 */ 612 item_make("(%s)", sym_get_string_value(sym)); 613 tmp = indent - tmp + 4; 614 if (tmp < 0) 615 tmp = 0; 616 item_add_str("%*c%s%s", tmp, ' ', menu_get_prompt(menu), 617 (sym_has_value(sym) || !sym_is_changeable(sym)) ? 618 "" : " (NEW)"); 619 item_set_tag('s'); 620 item_set_data(menu); 621 goto conf_childs; 622 } 623 } 624 item_add_str("%*c%s%s", indent + 1, ' ', menu_get_prompt(menu), 625 (sym_has_value(sym) || !sym_is_changeable(sym)) ? 626 "" : " (NEW)"); 627 if (menu->prompt->type == P_MENU) { 628 item_add_str(" %s", menu_is_empty(menu) ? "----" : "--->"); 629 return; 630 } 631 } 632 633 conf_childs: 634 indent += doint; 635 for (child = menu->list; child; child = child->next) 636 build_conf(child); 637 indent -= doint; 638 } 639 640 static void conf(struct menu *menu, struct menu *active_menu) 641 { 642 struct menu *submenu; 643 const char *prompt = menu_get_prompt(menu); 644 struct subtitle_part stpart; 645 struct symbol *sym; 646 int res; 647 int s_scroll = 0; 648 649 if (menu != &rootmenu) 650 stpart.text = menu_get_prompt(menu); 651 else 652 stpart.text = NULL; 653 list_add_tail(&stpart.entries, &trail); 654 655 while (1) { 656 item_reset(); 657 current_menu = menu; 658 build_conf(menu); 659 if (!child_count) 660 break; 661 set_subtitle(); 662 dialog_clear(); 663 res = dialog_menu(prompt ? prompt : "Main Menu", 664 menu_instructions, 665 active_menu, &s_scroll); 666 if (res == 1 || res == KEY_ESC || res == -ERRDISPLAYTOOSMALL) 667 break; 668 if (item_count() != 0) { 669 if (!item_activate_selected()) 670 continue; 671 if (!item_tag()) 672 continue; 673 } 674 submenu = item_data(); 675 active_menu = item_data(); 676 if (submenu) 677 sym = submenu->sym; 678 else 679 sym = NULL; 680 681 switch (res) { 682 case 0: 683 switch (item_tag()) { 684 case 'm': 685 if (single_menu_mode) 686 submenu->data = (void *) (long) !submenu->data; 687 else 688 conf(submenu, NULL); 689 break; 690 case 't': 691 if (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes) 692 conf_choice(submenu); 693 else if (submenu->prompt->type == P_MENU) 694 conf(submenu, NULL); 695 break; 696 case 's': 697 conf_string(submenu); 698 break; 699 } 700 break; 701 case 2: 702 if (sym) 703 show_help(submenu); 704 else { 705 reset_subtitle(); 706 show_helptext("README", mconf_readme); 707 } 708 break; 709 case 3: 710 reset_subtitle(); 711 conf_save(); 712 break; 713 case 4: 714 reset_subtitle(); 715 conf_load(); 716 break; 717 case 5: 718 if (item_is_tag('t')) { 719 if (sym_set_tristate_value(sym, yes)) 720 break; 721 if (sym_set_tristate_value(sym, mod)) 722 show_textbox(NULL, setmod_text, 6, 74); 723 } 724 break; 725 case 6: 726 if (item_is_tag('t')) 727 sym_set_tristate_value(sym, no); 728 break; 729 case 7: 730 if (item_is_tag('t')) 731 sym_set_tristate_value(sym, mod); 732 break; 733 case 8: 734 if (item_is_tag('t')) 735 sym_toggle_tristate_value(sym); 736 else if (item_is_tag('m')) 737 conf(submenu, NULL); 738 break; 739 case 9: 740 search_conf(); 741 break; 742 case 10: 743 show_all_options = !show_all_options; 744 break; 745 } 746 } 747 748 list_del(trail.prev); 749 } 750 751 static int show_textbox_ext(const char *title, char *text, int r, int c, int 752 *keys, int *vscroll, int *hscroll, update_text_fn 753 update_text, void *data) 754 { 755 dialog_clear(); 756 return dialog_textbox(title, text, r, c, keys, vscroll, hscroll, 757 update_text, data); 758 } 759 760 static void show_textbox(const char *title, const char *text, int r, int c) 761 { 762 show_textbox_ext(title, (char *) text, r, c, (int []) {0}, NULL, NULL, 763 NULL, NULL); 764 } 765 766 static void show_helptext(const char *title, const char *text) 767 { 768 show_textbox(title, text, 0, 0); 769 } 770 771 static void conf_message_callback(const char *s) 772 { 773 if (save_and_exit) { 774 if (!silent) 775 printf("%s", s); 776 } else { 777 show_textbox(NULL, s, 6, 60); 778 } 779 } 780 781 static void show_help(struct menu *menu) 782 { 783 struct gstr help = str_new(); 784 785 help.max_width = getmaxx(stdscr) - 10; 786 menu_get_ext_help(menu, &help); 787 788 show_helptext(menu_get_prompt(menu), str_get(&help)); 789 str_free(&help); 790 } 791 792 static void conf_choice(struct menu *menu) 793 { 794 const char *prompt = menu_get_prompt(menu); 795 struct menu *child; 796 struct symbol *active; 797 798 active = sym_get_choice_value(menu->sym); 799 while (1) { 800 int res; 801 int selected; 802 item_reset(); 803 804 current_menu = menu; 805 for (child = menu->list; child; child = child->next) { 806 if (!menu_is_visible(child)) 807 continue; 808 if (child->sym) 809 item_make("%s", menu_get_prompt(child)); 810 else { 811 item_make("*** %s ***", menu_get_prompt(child)); 812 item_set_tag(':'); 813 } 814 item_set_data(child); 815 if (child->sym == active) 816 item_set_selected(1); 817 if (child->sym == sym_get_choice_value(menu->sym)) 818 item_set_tag('X'); 819 } 820 dialog_clear(); 821 res = dialog_checklist(prompt ? prompt : "Main Menu", 822 radiolist_instructions, 823 MENUBOX_HEIGTH_MIN, 824 MENUBOX_WIDTH_MIN, 825 CHECKLIST_HEIGTH_MIN); 826 selected = item_activate_selected(); 827 switch (res) { 828 case 0: 829 if (selected) { 830 child = item_data(); 831 if (!child->sym) 832 break; 833 834 sym_set_tristate_value(child->sym, yes); 835 } 836 return; 837 case 1: 838 if (selected) { 839 child = item_data(); 840 show_help(child); 841 active = child->sym; 842 } else 843 show_help(menu); 844 break; 845 case KEY_ESC: 846 return; 847 case -ERRDISPLAYTOOSMALL: 848 return; 849 } 850 } 851 } 852 853 static void conf_string(struct menu *menu) 854 { 855 const char *prompt = menu_get_prompt(menu); 856 857 while (1) { 858 int res; 859 const char *heading; 860 861 switch (sym_get_type(menu->sym)) { 862 case S_INT: 863 heading = inputbox_instructions_int; 864 break; 865 case S_HEX: 866 heading = inputbox_instructions_hex; 867 break; 868 case S_STRING: 869 heading = inputbox_instructions_string; 870 break; 871 default: 872 heading = "Internal mconf error!"; 873 } 874 dialog_clear(); 875 res = dialog_inputbox(prompt ? prompt : "Main Menu", 876 heading, 10, 75, 877 sym_get_string_value(menu->sym)); 878 switch (res) { 879 case 0: 880 if (sym_set_string_value(menu->sym, dialog_input_result)) 881 return; 882 show_textbox(NULL, "You have made an invalid entry.", 5, 43); 883 break; 884 case 1: 885 show_help(menu); 886 break; 887 case KEY_ESC: 888 return; 889 } 890 } 891 } 892 893 static void conf_load(void) 894 { 895 896 while (1) { 897 int res; 898 dialog_clear(); 899 res = dialog_inputbox(NULL, load_config_text, 900 11, 55, filename); 901 switch(res) { 902 case 0: 903 if (!dialog_input_result[0]) 904 return; 905 if (!conf_read(dialog_input_result)) { 906 set_config_filename(dialog_input_result); 907 conf_set_changed(true); 908 return; 909 } 910 show_textbox(NULL, "File does not exist!", 5, 38); 911 break; 912 case 1: 913 show_helptext("Load Alternate Configuration", load_config_help); 914 break; 915 case KEY_ESC: 916 return; 917 } 918 } 919 } 920 921 static void conf_save(void) 922 { 923 while (1) { 924 int res; 925 dialog_clear(); 926 res = dialog_inputbox(NULL, save_config_text, 927 11, 55, filename); 928 switch(res) { 929 case 0: 930 if (!dialog_input_result[0]) 931 return; 932 if (!conf_write(dialog_input_result)) { 933 set_config_filename(dialog_input_result); 934 return; 935 } 936 show_textbox(NULL, "Can't create file!", 5, 60); 937 break; 938 case 1: 939 show_helptext("Save Alternate Configuration", save_config_help); 940 break; 941 case KEY_ESC: 942 return; 943 } 944 } 945 } 946 947 static int handle_exit(void) 948 { 949 int res; 950 951 save_and_exit = 1; 952 reset_subtitle(); 953 dialog_clear(); 954 if (conf_get_changed()) 955 res = dialog_yesno(NULL, 956 "Do you wish to save your new configuration?\n" 957 "(Press <ESC><ESC> to continue kernel configuration.)", 958 6, 60); 959 else 960 res = -1; 961 962 end_dialog(saved_x, saved_y); 963 964 switch (res) { 965 case 0: 966 if (conf_write(filename)) { 967 fprintf(stderr, "\n\n" 968 "Error while writing of the configuration.\n" 969 "Your configuration changes were NOT saved." 970 "\n\n"); 971 return 1; 972 } 973 conf_write_autoconf(0); 974 /* fall through */ 975 case -1: 976 if (!silent) 977 printf("\n\n" 978 "*** End of the configuration.\n" 979 "*** Execute 'make' to start the build or try 'make help'." 980 "\n\n"); 981 res = 0; 982 break; 983 default: 984 if (!silent) 985 fprintf(stderr, "\n\n" 986 "Your configuration changes were NOT saved." 987 "\n\n"); 988 if (res != KEY_ESC) 989 res = 0; 990 } 991 992 return res; 993 } 994 995 static void sig_handler(int signo) 996 { 997 exit(handle_exit()); 998 } 999 1000 int main(int ac, char **av) 1001 { 1002 char *mode; 1003 int res; 1004 1005 signal(SIGINT, sig_handler); 1006 1007 if (ac > 1 && strcmp(av[1], "-s") == 0) { 1008 silent = 1; 1009 /* Silence conf_read() until the real callback is set up */ 1010 conf_set_message_callback(NULL); 1011 av++; 1012 } 1013 conf_parse(av[1]); 1014 conf_read(NULL); 1015 1016 mode = getenv("MENUCONFIG_MODE"); 1017 if (mode) { 1018 if (!strcasecmp(mode, "single_menu")) 1019 single_menu_mode = 1; 1020 } 1021 1022 if (init_dialog(NULL)) { 1023 fprintf(stderr, "Your display is too small to run Menuconfig!\n"); 1024 fprintf(stderr, "It must be at least 19 lines by 80 columns.\n"); 1025 return 1; 1026 } 1027 1028 set_config_filename(conf_get_configname()); 1029 conf_set_message_callback(conf_message_callback); 1030 do { 1031 conf(&rootmenu, NULL); 1032 res = handle_exit(); 1033 } while (res == KEY_ESC); 1034 1035 return res; 1036 } 1037