1/* 2 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org> 3 * Released under the terms of the GNU GPL v2.0. 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 <sys/ioctl.h> 12#include <sys/wait.h> 13#include <ctype.h> 14#include <errno.h> 15#include <fcntl.h> 16#include <limits.h> 17#include <signal.h> 18#include <stdarg.h> 19#include <stdlib.h> 20#include <string.h> 21#include <termios.h> 22#include <unistd.h> 23#include <locale.h> 24 25#define LKC_DIRECT_LINK 26#include "lkc.h" 27#include "lxdialog/dialog.h" 28 29static const char mconf_readme[] = N_( 30"Overview\n" 31"--------\n" 32"Some kernel features may be built directly into the kernel.\n" 33"Some may be made into loadable runtime modules. Some features\n" 34"may be completely removed altogether. There are also certain\n" 35"kernel parameters which are not really features, but must be\n" 36"entered in as decimal or hexadecimal numbers or possibly text.\n" 37"\n" 38"Menu items beginning with [*], <M> or [ ] represent features\n" 39"configured to be built in, modularized or removed respectively.\n" 40"Pointed brackets <> represent module capable features.\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 removed it. You may also press the <Space Bar> to cycle\n" 45"through the available options (ie. 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\n" 52" you wish to change or submenu wish to select and press <Enter>.\n" 53" Submenus are designated 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> and <Help>\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"\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 <SPACE BAR> and <B> for those\n" 109" who are familiar with less and lynx.\n" 110"\n" 111"o Press <E>, <X>, <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 kernel configurations.\n" 119"\n" 120"At the end of the main menu you will find two options. One is\n" 121"for saving the current configuration to a file of your choosing.\n" 122"The other option is for loading a previously saved alternate\n" 123"configuration.\n" 124"\n" 125"Even if you don't use alternate configuration files, but you\n" 126"find during a Menuconfig session that you have completely messed\n" 127"up your settings, you may use the \"Load Alternate...\" option to\n" 128"restore your previously saved settings from \".config\" without\n" 129"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 a xterm definition which supports color.\n" 135"Otherwise, Menuconfig will look rather bad. Menuconfig will not\n" 136"display correctly in a 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 kernel options listed in a single\n" 152"menu, rather than the default multimenu hierarchy, run the menuconfig\n" 153"with 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 => a LCD friendly version of classic. (default)\n" 176"\n"), 177menu_instructions[] = N_( 178 "Arrow keys navigate the menu. " 179 "<Enter> selects 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"), 184radiolist_instructions[] = N_( 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."), 189inputbox_instructions_int[] = N_( 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."), 193inputbox_instructions_hex[] = N_( 194 "Please enter a hexadecimal value. " 195 "Use the <TAB> key to move from the input field to the buttons below it."), 196inputbox_instructions_string[] = N_( 197 "Please enter a string value. " 198 "Use the <TAB> key to move from the input field to the buttons below it."), 199setmod_text[] = N_( 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."), 202nohelp_text[] = N_( 203 "There is no help available for this kernel option.\n"), 204load_config_text[] = N_( 205 "Enter the name of the configuration file you wish to load. " 206 "Accept the name shown to restore the configuration you " 207 "last retrieved. Leave blank to abort."), 208load_config_help[] = N_( 209 "\n" 210 "For various reasons, one may wish to keep several different kernel\n" 211 "configurations available on a single machine.\n" 212 "\n" 213 "If you have saved a previous configuration in a file other than the\n" 214 "kernel's default, entering the name of the file here will allow you\n" 215 "to modify that configuration.\n" 216 "\n" 217 "If you are uncertain, then you have probably never used alternate\n" 218 "configuration files. You should therefor leave this blank to abort.\n"), 219save_config_text[] = N_( 220 "Enter a filename to which this configuration should be saved " 221 "as an alternate. Leave blank to abort."), 222save_config_help[] = N_( 223 "\n" 224 "For various reasons, one may wish to keep different kernel\n" 225 "configurations available on a single machine.\n" 226 "\n" 227 "Entering a file name here will allow you to later retrieve, modify\n" 228 "and use the current configuration as an alternate to whatever\n" 229 "configuration options you have selected at that time.\n" 230 "\n" 231 "If you are uncertain what all this means then you should probably\n" 232 "leave this blank.\n"), 233search_help[] = N_( 234 "\n" 235 "Search for CONFIG_ symbols and display their relations.\n" 236 "Regular expressions are allowed.\n" 237 "Example: search for \"^FOO\"\n" 238 "Result:\n" 239 "-----------------------------------------------------------------\n" 240 "Symbol: FOO [=m]\n" 241 "Prompt: Foo bus is used to drive the bar HW\n" 242 "Defined at drivers/pci/Kconfig:47\n" 243 "Depends on: X86_LOCAL_APIC && X86_IO_APIC || IA64\n" 244 "Location:\n" 245 " -> Bus options (PCI, PCMCIA, EISA, MCA, ISA)\n" 246 " -> PCI support (PCI [=y])\n" 247 " -> PCI access mode (<choice> [=y])\n" 248 "Selects: LIBCRC32\n" 249 "Selected by: BAR\n" 250 "-----------------------------------------------------------------\n" 251 "o The line 'Prompt:' shows the text used in the menu structure for\n" 252 " this CONFIG_ symbol\n" 253 "o The 'Defined at' line tell at what file / line number the symbol\n" 254 " is defined\n" 255 "o The 'Depends on:' line tell what symbols needs to be defined for\n" 256 " this symbol to be visible in the menu (selectable)\n" 257 "o The 'Location:' lines tell where in the menu structure this symbol\n" 258 " is located\n" 259 " A location followed by a [=y] indicate that this is a selectable\n" 260 " menu item - and current value is displayed inside brackets.\n" 261 "o The 'Selects:' line tell what symbol will be automatically\n" 262 " selected if this symbol is selected (y or m)\n" 263 "o The 'Selected by' line tell what symbol has selected this symbol\n" 264 "\n" 265 "Only relevant lines are shown.\n" 266 "\n\n" 267 "Search examples:\n" 268 "Examples: USB => find all CONFIG_ symbols containing USB\n" 269 " ^USB => find all CONFIG_ symbols starting with USB\n" 270 " USB$ => find all CONFIG_ symbols ending with USB\n" 271 "\n"); 272 273static int indent; 274static struct termios ios_org; 275static int rows = 0, cols = 0; 276static struct menu *current_menu; 277static int child_count; 278static int single_menu_mode; 279 280static void conf(struct menu *menu); 281static void conf_choice(struct menu *menu); 282static void conf_string(struct menu *menu); 283static void conf_load(void); 284static void conf_save(void); 285static void show_textbox(const char *title, const char *text, int r, int c); 286static void show_helptext(const char *title, const char *text); 287static void show_help(struct menu *menu); 288 289static void init_wsize(void) 290{ 291 struct winsize ws; 292 char *env; 293 294 if (!ioctl(STDIN_FILENO, TIOCGWINSZ, &ws)) { 295 rows = ws.ws_row; 296 cols = ws.ws_col; 297 } 298 299 if (!rows) { 300 env = getenv("LINES"); 301 if (env) 302 rows = atoi(env); 303 if (!rows) 304 rows = 24; 305 } 306 if (!cols) { 307 env = getenv("COLUMNS"); 308 if (env) 309 cols = atoi(env); 310 if (!cols) 311 cols = 80; 312 } 313 314 if (rows < 19 || cols < 80) { 315 fprintf(stderr, N_("Your display is too small to run Menuconfig!\n")); 316 fprintf(stderr, N_("It must be at least 19 lines by 80 columns.\n")); 317 exit(1); 318 } 319 320 rows -= 4; 321 cols -= 5; 322} 323 324static void get_prompt_str(struct gstr *r, struct property *prop) 325{ 326 int i, j; 327 struct menu *submenu[8], *menu; 328 329 str_printf(r, "Prompt: %s\n", prop->text); 330 str_printf(r, " Defined at %s:%d\n", prop->menu->file->name, 331 prop->menu->lineno); 332 if (!expr_is_yes(prop->visible.expr)) { 333 str_append(r, " Depends on: "); 334 expr_gstr_print(prop->visible.expr, r); 335 str_append(r, "\n"); 336 } 337 menu = prop->menu->parent; 338 for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent) 339 submenu[i++] = menu; 340 if (i > 0) { 341 str_printf(r, " Location:\n"); 342 for (j = 4; --i >= 0; j += 2) { 343 menu = submenu[i]; 344 str_printf(r, "%*c-> %s", j, ' ', menu_get_prompt(menu)); 345 if (menu->sym) { 346 str_printf(r, " (%s [=%s])", menu->sym->name ? 347 menu->sym->name : "<choice>", 348 sym_get_string_value(menu->sym)); 349 } 350 str_append(r, "\n"); 351 } 352 } 353} 354 355static void get_symbol_str(struct gstr *r, struct symbol *sym) 356{ 357 bool hit; 358 struct property *prop; 359 360 str_printf(r, "Symbol: %s [=%s]\n", sym->name, 361 sym_get_string_value(sym)); 362 for_all_prompts(sym, prop) 363 get_prompt_str(r, prop); 364 hit = false; 365 for_all_properties(sym, prop, P_SELECT) { 366 if (!hit) { 367 str_append(r, " Selects: "); 368 hit = true; 369 } else 370 str_printf(r, " && "); 371 expr_gstr_print(prop->expr, r); 372 } 373 if (hit) 374 str_append(r, "\n"); 375 if (sym->rev_dep.expr) { 376 str_append(r, " Selected by: "); 377 expr_gstr_print(sym->rev_dep.expr, r); 378 str_append(r, "\n"); 379 } 380 str_append(r, "\n\n"); 381} 382 383static struct gstr get_relations_str(struct symbol **sym_arr) 384{ 385 struct symbol *sym; 386 struct gstr res = str_new(); 387 int i; 388 389 for (i = 0; sym_arr && (sym = sym_arr[i]); i++) 390 get_symbol_str(&res, sym); 391 if (!i) 392 str_append(&res, "No matches found.\n"); 393 return res; 394} 395 396static char filename[PATH_MAX+1]; 397static void set_config_filename(const char *config_filename) 398{ 399 static char menu_backtitle[PATH_MAX+128]; 400 int size; 401 struct symbol *sym; 402 403 sym = sym_lookup("KERNELVERSION", 0); 404 sym_calc_value(sym); 405 size = snprintf(menu_backtitle, sizeof(menu_backtitle), 406 _("%s - Linux Kernel v%s Configuration"), 407 config_filename, sym_get_string_value(sym)); 408 if (size >= sizeof(menu_backtitle)) 409 menu_backtitle[sizeof(menu_backtitle)-1] = '\0'; 410 set_dialog_backtitle(menu_backtitle); 411 412 size = snprintf(filename, sizeof(filename), "%s", config_filename); 413 if (size >= sizeof(filename)) 414 filename[sizeof(filename)-1] = '\0'; 415} 416 417 418static void search_conf(void) 419{ 420 struct symbol **sym_arr; 421 struct gstr res; 422 int dres; 423again: 424 dialog_clear(); 425 dres = dialog_inputbox(_("Search Configuration Parameter"), 426 _("Enter CONFIG_ (sub)string to search for (omit CONFIG_)"), 427 10, 75, ""); 428 switch (dres) { 429 case 0: 430 break; 431 case 1: 432 show_helptext(_("Search Configuration"), search_help); 433 goto again; 434 default: 435 return; 436 } 437 438 sym_arr = sym_re_search(dialog_input_result); 439 res = get_relations_str(sym_arr); 440 free(sym_arr); 441 show_textbox(_("Search Results"), str_get(&res), 0, 0); 442 str_free(&res); 443} 444 445static void build_conf(struct menu *menu) 446{ 447 struct symbol *sym; 448 struct property *prop; 449 struct menu *child; 450 int type, tmp, doint = 2; 451 tristate val; 452 char ch; 453 454 if (!menu_is_visible(menu)) 455 return; 456 457 sym = menu->sym; 458 prop = menu->prompt; 459 if (!sym) { 460 if (prop && menu != current_menu) { 461 const char *prompt = menu_get_prompt(menu); 462 switch (prop->type) { 463 case P_MENU: 464 child_count++; 465 if (single_menu_mode) { 466 item_make("%s%*c%s", 467 menu->data ? "-->" : "++>", 468 indent + 1, ' ', prompt); 469 } else 470 item_make(" %*c%s --->", indent + 1, ' ', prompt); 471 472 item_set_tag('m'); 473 item_set_data(menu); 474 if (single_menu_mode && menu->data) 475 goto conf_childs; 476 return; 477 default: 478 if (prompt) { 479 child_count++; 480 item_make("---%*c%s", indent + 1, ' ', prompt); 481 item_set_tag(':'); 482 item_set_data(menu); 483 } 484 } 485 } else 486 doint = 0; 487 goto conf_childs; 488 } 489 490 type = sym_get_type(sym); 491 if (sym_is_choice(sym)) { 492 struct symbol *def_sym = sym_get_choice_value(sym); 493 struct menu *def_menu = NULL; 494 495 child_count++; 496 for (child = menu->list; child; child = child->next) { 497 if (menu_is_visible(child) && child->sym == def_sym) 498 def_menu = child; 499 } 500 501 val = sym_get_tristate_value(sym); 502 if (sym_is_changable(sym)) { 503 switch (type) { 504 case S_BOOLEAN: 505 item_make("[%c]", val == no ? ' ' : '*'); 506 break; 507 case S_TRISTATE: 508 switch (val) { 509 case yes: ch = '*'; break; 510 case mod: ch = 'M'; break; 511 default: ch = ' '; break; 512 } 513 item_make("<%c>", ch); 514 break; 515 } 516 item_set_tag('t'); 517 item_set_data(menu); 518 } else { 519 item_make(" "); 520 item_set_tag(def_menu ? 't' : ':'); 521 item_set_data(menu); 522 } 523 524 item_add_str("%*c%s", indent + 1, ' ', menu_get_prompt(menu)); 525 if (val == yes) { 526 if (def_menu) { 527 item_add_str(" (%s)", menu_get_prompt(def_menu)); 528 item_add_str(" --->"); 529 if (def_menu->list) { 530 indent += 2; 531 build_conf(def_menu); 532 indent -= 2; 533 } 534 } 535 return; 536 } 537 } else { 538 if (menu == current_menu) { 539 item_make("---%*c%s", indent + 1, ' ', menu_get_prompt(menu)); 540 item_set_tag(':'); 541 item_set_data(menu); 542 goto conf_childs; 543 } 544 child_count++; 545 val = sym_get_tristate_value(sym); 546 if (sym_is_choice_value(sym) && val == yes) { 547 item_make(" "); 548 item_set_tag(':'); 549 item_set_data(menu); 550 } else { 551 switch (type) { 552 case S_BOOLEAN: 553 if (sym_is_changable(sym)) 554 item_make("[%c]", val == no ? ' ' : '*'); 555 else 556 item_make("---"); 557 item_set_tag('t'); 558 item_set_data(menu); 559 break; 560 case S_TRISTATE: 561 switch (val) { 562 case yes: ch = '*'; break; 563 case mod: ch = 'M'; break; 564 default: ch = ' '; break; 565 } 566 if (sym_is_changable(sym)) 567 item_make("<%c>", ch); 568 else 569 item_make("---"); 570 item_set_tag('t'); 571 item_set_data(menu); 572 break; 573 default: 574 tmp = 2 + strlen(sym_get_string_value(sym)); /* () = 2 */ 575 item_make("(%s)", sym_get_string_value(sym)); 576 tmp = indent - tmp + 4; 577 if (tmp < 0) 578 tmp = 0; 579 item_add_str("%*c%s%s", tmp, ' ', menu_get_prompt(menu), 580 (sym_has_value(sym) || !sym_is_changable(sym)) ? 581 "" : " (NEW)"); 582 item_set_tag('s'); 583 item_set_data(menu); 584 goto conf_childs; 585 } 586 } 587 item_add_str("%*c%s%s", indent + 1, ' ', menu_get_prompt(menu), 588 (sym_has_value(sym) || !sym_is_changable(sym)) ? 589 "" : " (NEW)"); 590 if (menu->prompt->type == P_MENU) { 591 item_add_str(" --->"); 592 return; 593 } 594 } 595 596conf_childs: 597 indent += doint; 598 for (child = menu->list; child; child = child->next) 599 build_conf(child); 600 indent -= doint; 601} 602 603static void conf(struct menu *menu) 604{ 605 struct menu *submenu; 606 const char *prompt = menu_get_prompt(menu); 607 struct symbol *sym; 608 struct menu *active_menu = NULL; 609 int res; 610 int s_scroll = 0; 611 612 while (1) { 613 item_reset(); 614 current_menu = menu; 615 build_conf(menu); 616 if (!child_count) 617 break; 618 if (menu == &rootmenu) { 619 item_make("--- "); 620 item_set_tag(':'); 621 item_make(_(" Load an Alternate Configuration File")); 622 item_set_tag('L'); 623 item_make(_(" Save an Alternate Configuration File")); 624 item_set_tag('S'); 625 } 626 dialog_clear(); 627 res = dialog_menu(prompt ? prompt : _("Main Menu"), 628 _(menu_instructions), 629 active_menu, &s_scroll); 630 if (res == 1 || res == KEY_ESC || res == -ERRDISPLAYTOOSMALL) 631 break; 632 if (!item_activate_selected()) 633 continue; 634 if (!item_tag()) 635 continue; 636 637 submenu = item_data(); 638 active_menu = item_data(); 639 if (submenu) 640 sym = submenu->sym; 641 else 642 sym = NULL; 643 644 switch (res) { 645 case 0: 646 switch (item_tag()) { 647 case 'm': 648 if (single_menu_mode) 649 submenu->data = (void *) (long) !submenu->data; 650 else 651 conf(submenu); 652 break; 653 case 't': 654 if (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes) 655 conf_choice(submenu); 656 else if (submenu->prompt->type == P_MENU) 657 conf(submenu); 658 break; 659 case 's': 660 conf_string(submenu); 661 break; 662 case 'L': 663 conf_load(); 664 break; 665 case 'S': 666 conf_save(); 667 break; 668 } 669 break; 670 case 2: 671 if (sym) 672 show_help(submenu); 673 else 674 show_helptext("README", _(mconf_readme)); 675 break; 676 case 3: 677 if (item_is_tag('t')) { 678 if (sym_set_tristate_value(sym, yes)) 679 break; 680 if (sym_set_tristate_value(sym, mod)) 681 show_textbox(NULL, setmod_text, 6, 74); 682 } 683 break; 684 case 4: 685 if (item_is_tag('t')) 686 sym_set_tristate_value(sym, no); 687 break; 688 case 5: 689 if (item_is_tag('t')) 690 sym_set_tristate_value(sym, mod); 691 break; 692 case 6: 693 if (item_is_tag('t')) 694 sym_toggle_tristate_value(sym); 695 else if (item_is_tag('m')) 696 conf(submenu); 697 break; 698 case 7: 699 search_conf(); 700 break; 701 } 702 } 703} 704 705static void show_textbox(const char *title, const char *text, int r, int c) 706{ 707 dialog_clear(); 708 dialog_textbox(title, text, r, c); 709} 710 711static void show_helptext(const char *title, const char *text) 712{ 713 show_textbox(title, text, 0, 0); 714} 715 716static void show_help(struct menu *menu) 717{ 718 struct gstr help = str_new(); 719 struct symbol *sym = menu->sym; 720 721 if (sym->help) 722 { 723 if (sym->name) { 724 str_printf(&help, "CONFIG_%s:\n\n", sym->name); 725 str_append(&help, _(sym->help)); 726 str_append(&help, "\n"); 727 } 728 } else { 729 str_append(&help, nohelp_text); 730 } 731 get_symbol_str(&help, sym); 732 show_helptext(menu_get_prompt(menu), str_get(&help)); 733 str_free(&help); 734} 735 736static void conf_choice(struct menu *menu) 737{ 738 const char *prompt = menu_get_prompt(menu); 739 struct menu *child; 740 struct symbol *active; 741 742 active = sym_get_choice_value(menu->sym); 743 while (1) { 744 int res; 745 int selected; 746 item_reset(); 747 748 current_menu = menu; 749 for (child = menu->list; child; child = child->next) { 750 if (!menu_is_visible(child)) 751 continue; 752 item_make("%s", menu_get_prompt(child)); 753 item_set_data(child); 754 if (child->sym == active) 755 item_set_selected(1); 756 if (child->sym == sym_get_choice_value(menu->sym)) 757 item_set_tag('X'); 758 } 759 dialog_clear(); 760 res = dialog_checklist(prompt ? prompt : _("Main Menu"), 761 _(radiolist_instructions), 762 15, 70, 6); 763 selected = item_activate_selected(); 764 switch (res) { 765 case 0: 766 if (selected) { 767 child = item_data(); 768 sym_set_tristate_value(child->sym, yes); 769 } 770 return; 771 case 1: 772 if (selected) { 773 child = item_data(); 774 show_help(child); 775 active = child->sym; 776 } else 777 show_help(menu); 778 break; 779 case KEY_ESC: 780 return; 781 case -ERRDISPLAYTOOSMALL: 782 return; 783 } 784 } 785} 786 787static void conf_string(struct menu *menu) 788{ 789 const char *prompt = menu_get_prompt(menu); 790 791 while (1) { 792 int res; 793 char *heading; 794 795 switch (sym_get_type(menu->sym)) { 796 case S_INT: 797 heading = _(inputbox_instructions_int); 798 break; 799 case S_HEX: 800 heading = _(inputbox_instructions_hex); 801 break; 802 case S_STRING: 803 heading = _(inputbox_instructions_string); 804 break; 805 default: 806 heading = "Internal mconf error!"; 807 } 808 dialog_clear(); 809 res = dialog_inputbox(prompt ? prompt : _("Main Menu"), 810 heading, 10, 75, 811 sym_get_string_value(menu->sym)); 812 switch (res) { 813 case 0: 814 if (sym_set_string_value(menu->sym, dialog_input_result)) 815 return; 816 show_textbox(NULL, _("You have made an invalid entry."), 5, 43); 817 break; 818 case 1: 819 show_help(menu); 820 break; 821 case KEY_ESC: 822 return; 823 } 824 } 825} 826 827static void conf_load(void) 828{ 829 830 while (1) { 831 int res; 832 dialog_clear(); 833 res = dialog_inputbox(NULL, load_config_text, 834 11, 55, filename); 835 switch(res) { 836 case 0: 837 if (!dialog_input_result[0]) 838 return; 839 if (!conf_read(dialog_input_result)) { 840 set_config_filename(dialog_input_result); 841 return; 842 } 843 show_textbox(NULL, _("File does not exist!"), 5, 38); 844 break; 845 case 1: 846 show_helptext(_("Load Alternate Configuration"), load_config_help); 847 break; 848 case KEY_ESC: 849 return; 850 } 851 } 852} 853 854static void conf_save(void) 855{ 856 while (1) { 857 int res; 858 dialog_clear(); 859 res = dialog_inputbox(NULL, save_config_text, 860 11, 55, filename); 861 switch(res) { 862 case 0: 863 if (!dialog_input_result[0]) 864 return; 865 if (!conf_write(dialog_input_result)) { 866 set_config_filename(dialog_input_result); 867 return; 868 } 869 show_textbox(NULL, _("Can't create file! Probably a nonexistent directory."), 5, 60); 870 break; 871 case 1: 872 show_helptext(_("Save Alternate Configuration"), save_config_help); 873 break; 874 case KEY_ESC: 875 return; 876 } 877 } 878} 879 880static void conf_cleanup(void) 881{ 882 tcsetattr(1, TCSAFLUSH, &ios_org); 883} 884 885int main(int ac, char **av) 886{ 887 char *mode; 888 int res; 889 890 setlocale(LC_ALL, ""); 891 bindtextdomain(PACKAGE, LOCALEDIR); 892 textdomain(PACKAGE); 893 894 conf_parse(av[1]); 895 conf_read(NULL); 896 897 mode = getenv("MENUCONFIG_MODE"); 898 if (mode) { 899 if (!strcasecmp(mode, "single_menu")) 900 single_menu_mode = 1; 901 } 902 903 tcgetattr(1, &ios_org); 904 atexit(conf_cleanup); 905 init_wsize(); 906 reset_dialog(); 907 init_dialog(NULL); 908 set_config_filename(conf_get_configname()); 909 do { 910 conf(&rootmenu); 911 dialog_clear(); 912 if (conf_get_changed()) 913 res = dialog_yesno(NULL, 914 _("Do you wish to save your " 915 "new kernel configuration?\n" 916 "<ESC><ESC> to continue."), 917 6, 60); 918 else 919 res = -1; 920 } while (res == KEY_ESC); 921 end_dialog(); 922 923 switch (res) { 924 case 0: 925 if (conf_write(filename)) { 926 fprintf(stderr, _("\n\n" 927 "Error during writing of the kernel configuration.\n" 928 "Your kernel configuration changes were NOT saved." 929 "\n\n")); 930 return 1; 931 } 932 case -1: 933 printf(_("\n\n" 934 "*** End of Linux kernel configuration.\n" 935 "*** Execute 'make' to build the kernel or try 'make help'." 936 "\n\n")); 937 break; 938 default: 939 fprintf(stderr, _("\n\n" 940 "Your kernel configuration changes were NOT saved." 941 "\n\n")); 942 } 943 944 return 0; 945} 946