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 <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 <signal.h> 19 #include <unistd.h> 20 #include <locale.h> 21 22 #include "lkc.h" 23 #include "lxdialog/dialog.h" 24 25 static const char mconf_readme[] = N_( 26 "Overview\n" 27 "--------\n" 28 "This interface let you select features and parameters for the build.\n" 29 "Features can either be built-in, modularized, or ignored. Parameters\n" 30 "must be entered in as decimal or hexadecimal numbers or text.\n" 31 "\n" 32 "Menu items beginning with following braces represent features that\n" 33 " [ ] can be built in or removed\n" 34 " < > can be built in, modularized or removed\n" 35 " { } can be built in or modularized (selected by other feature)\n" 36 " - - are selected by other feature,\n" 37 "while *, M or whitespace inside braces means to build in, build as\n" 38 "a module or to exclude the feature respectively.\n" 39 "\n" 40 "To change any of these features, highlight it with the cursor\n" 41 "keys and press <Y> to build it in, <M> to make it a module or\n" 42 "<N> to removed it. You may also press the <Space Bar> to cycle\n" 43 "through the available options (ie. Y->N->M->Y).\n" 44 "\n" 45 "Some additional keyboard hints:\n" 46 "\n" 47 "Menus\n" 48 "----------\n" 49 "o Use the Up/Down arrow keys (cursor keys) to highlight the item\n" 50 " you wish to change or submenu wish to select and press <Enter>.\n" 51 " Submenus are designated by \"--->\".\n" 52 "\n" 53 " Shortcut: Press the option's highlighted letter (hotkey).\n" 54 " Pressing a hotkey more than once will sequence\n" 55 " through all visible items which use that hotkey.\n" 56 "\n" 57 " You may also use the <PAGE UP> and <PAGE DOWN> keys to scroll\n" 58 " unseen options into view.\n" 59 "\n" 60 "o To exit a menu use the cursor keys to highlight the <Exit> button\n" 61 " and press <ENTER>.\n" 62 "\n" 63 " Shortcut: Press <ESC><ESC> or <E> or <X> if there is no hotkey\n" 64 " using those letters. You may press a single <ESC>, but\n" 65 " there is a delayed response which you may find annoying.\n" 66 "\n" 67 " Also, the <TAB> and cursor keys will cycle between <Select>,\n" 68 " <Exit> and <Help>.\n" 69 "\n" 70 "o To get help with an item, use the cursor keys to highlight <Help>\n" 71 " and press <ENTER>.\n" 72 "\n" 73 " Shortcut: Press <H> or <?>.\n" 74 "\n" 75 "o To toggle the display of hidden options, press <Z>.\n" 76 "\n" 77 "\n" 78 "Radiolists (Choice lists)\n" 79 "-----------\n" 80 "o Use the cursor keys to select the option you wish to set and press\n" 81 " <S> or the <SPACE BAR>.\n" 82 "\n" 83 " Shortcut: Press the first letter of the option you wish to set then\n" 84 " press <S> or <SPACE BAR>.\n" 85 "\n" 86 "o To see available help for the item, use the cursor keys to highlight\n" 87 " <Help> and Press <ENTER>.\n" 88 "\n" 89 " Shortcut: Press <H> or <?>.\n" 90 "\n" 91 " Also, the <TAB> and cursor keys will cycle between <Select> and\n" 92 " <Help>\n" 93 "\n" 94 "\n" 95 "Data Entry\n" 96 "-----------\n" 97 "o Enter the requested information and press <ENTER>\n" 98 " If you are entering hexadecimal values, it is not necessary to\n" 99 " add the '0x' prefix to the entry.\n" 100 "\n" 101 "o For help, use the <TAB> or cursor keys to highlight the help option\n" 102 " and press <ENTER>. You can try <TAB><H> as well.\n" 103 "\n" 104 "\n" 105 "Text Box (Help Window)\n" 106 "--------\n" 107 "o Use the cursor keys to scroll up/down/left/right. The VI editor\n" 108 " keys h,j,k,l function here as do <u>, <d>, <SPACE BAR> and <B> for \n" 109 " those who are familiar with less and lynx.\n" 110 "\n" 111 "o Press <E>, <X>, <q>, <Enter> or <Esc><Esc> to exit.\n" 112 "\n" 113 "\n" 114 "Alternate Configuration Files\n" 115 "-----------------------------\n" 116 "Menuconfig supports the use of alternate configuration files for\n" 117 "those who, for various reasons, find it necessary to switch\n" 118 "between different configurations.\n" 119 "\n" 120 "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 options listed in a single menu, rather\n" 152 "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 => a LCD friendly version of classic. (default)\n" 176 "\n"), 177 menu_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"), 184 radiolist_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."), 189 inputbox_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."), 193 inputbox_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."), 196 inputbox_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."), 199 setmod_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."), 202 load_config_text[] = N_( 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[] = N_( 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[] = N_( 218 "Enter a filename to which this configuration should be saved " 219 "as an alternate. Leave blank to abort."), 220 save_config_help[] = N_( 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[] = N_( 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 " Defined at drivers/pci/Kconfig:47\n" 242 " Depends on: X86_LOCAL_APIC && X86_IO_APIC || IA64\n" 243 " Location:\n" 244 " -> Bus options (PCI, PCMCIA, EISA, ISA)\n" 245 " -> PCI support (PCI [=y])\n" 246 "(1) -> PCI access mode (<choice> [=y])\n" 247 " Selects: LIBCRC32\n" 248 " Selected by: BAR\n" 249 "-----------------------------------------------------------------\n" 250 "o The line 'Type:' shows the type of the configuration option for\n" 251 " this symbol (boolean, 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 tell at what file / line number the symbol\n" 255 " is defined\n" 256 "o The 'Depends on:' line tell what symbols needs to be defined for\n" 257 " this symbol to be visible in the menu (selectable)\n" 258 "o The 'Location:' lines tell 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 tell what symbol will be automatically\n" 267 " selected if this symbol is selected (y or m)\n" 268 "o The 'Selected by' line tell 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; 284 285 static void conf(struct menu *menu, struct menu *active_menu); 286 static void conf_choice(struct menu *menu); 287 static void conf_string(struct menu *menu); 288 static void conf_load(void); 289 static void conf_save(void); 290 static int show_textbox_ext(const char *title, char *text, int r, int c, 291 int *keys, int *vscroll, int *hscroll, 292 update_text_fn update_text, void *data); 293 static void show_textbox(const char *title, const char *text, int r, int c); 294 static void show_helptext(const char *title, const char *text); 295 static void show_help(struct menu *menu); 296 297 static char filename[PATH_MAX+1]; 298 static void set_config_filename(const char *config_filename) 299 { 300 static char menu_backtitle[PATH_MAX+128]; 301 int size; 302 303 size = snprintf(menu_backtitle, sizeof(menu_backtitle), 304 "%s - %s", config_filename, rootmenu.prompt->text); 305 if (size >= sizeof(menu_backtitle)) 306 menu_backtitle[sizeof(menu_backtitle)-1] = '\0'; 307 set_dialog_backtitle(menu_backtitle); 308 309 size = snprintf(filename, sizeof(filename), "%s", config_filename); 310 if (size >= sizeof(filename)) 311 filename[sizeof(filename)-1] = '\0'; 312 } 313 314 struct subtitle_part { 315 struct list_head entries; 316 const char *text; 317 }; 318 static LIST_HEAD(trail); 319 320 static struct subtitle_list *subtitles; 321 static void set_subtitle(void) 322 { 323 struct subtitle_part *sp; 324 struct subtitle_list *pos, *tmp; 325 326 for (pos = subtitles; pos != NULL; pos = tmp) { 327 tmp = pos->next; 328 free(pos); 329 } 330 331 subtitles = NULL; 332 list_for_each_entry(sp, &trail, entries) { 333 if (sp->text) { 334 if (pos) { 335 pos->next = xcalloc(sizeof(*pos), 1); 336 pos = pos->next; 337 } else { 338 subtitles = pos = xcalloc(sizeof(*pos), 1); 339 } 340 pos->text = sp->text; 341 } 342 } 343 344 set_dialog_subtitles(subtitles); 345 } 346 347 static void reset_subtitle(void) 348 { 349 struct subtitle_list *pos, *tmp; 350 351 for (pos = subtitles; pos != NULL; pos = tmp) { 352 tmp = pos->next; 353 free(pos); 354 } 355 subtitles = NULL; 356 set_dialog_subtitles(subtitles); 357 } 358 359 struct search_data { 360 struct list_head *head; 361 struct menu **targets; 362 int *keys; 363 }; 364 365 static void update_text(char *buf, size_t start, size_t end, void *_data) 366 { 367 struct search_data *data = _data; 368 struct jump_key *pos; 369 int k = 0; 370 371 list_for_each_entry(pos, data->head, entries) { 372 if (pos->offset >= start && pos->offset < end) { 373 char header[4]; 374 375 if (k < JUMP_NB) { 376 int key = '0' + (pos->index % JUMP_NB) + 1; 377 378 sprintf(header, "(%c)", key); 379 data->keys[k] = key; 380 data->targets[k] = pos->target; 381 k++; 382 } else { 383 sprintf(header, " "); 384 } 385 386 memcpy(buf + pos->offset, header, sizeof(header) - 1); 387 } 388 } 389 data->keys[k] = 0; 390 } 391 392 static void search_conf(void) 393 { 394 struct symbol **sym_arr; 395 struct gstr res; 396 struct gstr title; 397 char *dialog_input; 398 int dres, vscroll = 0, hscroll = 0; 399 bool again; 400 struct gstr sttext; 401 struct subtitle_part stpart; 402 403 title = str_new(); 404 str_printf( &title, _("Enter %s (sub)string to search for " 405 "(with or without \"%s\")"), CONFIG_, CONFIG_); 406 407 again: 408 dialog_clear(); 409 dres = dialog_inputbox(_("Search Configuration Parameter"), 410 str_get(&title), 411 10, 75, ""); 412 switch (dres) { 413 case 0: 414 break; 415 case 1: 416 show_helptext(_("Search Configuration"), search_help); 417 goto again; 418 default: 419 str_free(&title); 420 return; 421 } 422 423 /* strip the prefix if necessary */ 424 dialog_input = dialog_input_result; 425 if (strncasecmp(dialog_input_result, CONFIG_, strlen(CONFIG_)) == 0) 426 dialog_input += strlen(CONFIG_); 427 428 sttext = str_new(); 429 str_printf(&sttext, "Search (%s)", dialog_input_result); 430 stpart.text = str_get(&sttext); 431 list_add_tail(&stpart.entries, &trail); 432 433 sym_arr = sym_re_search(dialog_input); 434 do { 435 LIST_HEAD(head); 436 struct menu *targets[JUMP_NB]; 437 int keys[JUMP_NB + 1], i; 438 struct search_data data = { 439 .head = &head, 440 .targets = targets, 441 .keys = keys, 442 }; 443 struct jump_key *pos, *tmp; 444 445 res = get_relations_str(sym_arr, &head); 446 set_subtitle(); 447 dres = show_textbox_ext(_("Search Results"), (char *) 448 str_get(&res), 0, 0, keys, &vscroll, 449 &hscroll, &update_text, (void *) 450 &data); 451 again = false; 452 for (i = 0; i < JUMP_NB && keys[i]; i++) 453 if (dres == keys[i]) { 454 conf(targets[i]->parent, targets[i]); 455 again = true; 456 } 457 str_free(&res); 458 list_for_each_entry_safe(pos, tmp, &head, entries) 459 free(pos); 460 } while (again); 461 free(sym_arr); 462 str_free(&title); 463 list_del(trail.prev); 464 str_free(&sttext); 465 } 466 467 static void build_conf(struct menu *menu) 468 { 469 struct symbol *sym; 470 struct property *prop; 471 struct menu *child; 472 int type, tmp, doint = 2; 473 tristate val; 474 char ch; 475 bool visible; 476 477 /* 478 * note: menu_is_visible() has side effect that it will 479 * recalc the value of the symbol. 480 */ 481 visible = menu_is_visible(menu); 482 if (show_all_options && !menu_has_prompt(menu)) 483 return; 484 else if (!show_all_options && !visible) 485 return; 486 487 sym = menu->sym; 488 prop = menu->prompt; 489 if (!sym) { 490 if (prop && menu != current_menu) { 491 const char *prompt = menu_get_prompt(menu); 492 switch (prop->type) { 493 case P_MENU: 494 child_count++; 495 prompt = _(prompt); 496 if (single_menu_mode) { 497 item_make("%s%*c%s", 498 menu->data ? "-->" : "++>", 499 indent + 1, ' ', prompt); 500 } else 501 item_make(" %*c%s --->", indent + 1, ' ', prompt); 502 503 item_set_tag('m'); 504 item_set_data(menu); 505 if (single_menu_mode && menu->data) 506 goto conf_childs; 507 return; 508 case P_COMMENT: 509 if (prompt) { 510 child_count++; 511 item_make(" %*c*** %s ***", indent + 1, ' ', _(prompt)); 512 item_set_tag(':'); 513 item_set_data(menu); 514 } 515 break; 516 default: 517 if (prompt) { 518 child_count++; 519 item_make("---%*c%s", indent + 1, ' ', _(prompt)); 520 item_set_tag(':'); 521 item_set_data(menu); 522 } 523 } 524 } else 525 doint = 0; 526 goto conf_childs; 527 } 528 529 type = sym_get_type(sym); 530 if (sym_is_choice(sym)) { 531 struct symbol *def_sym = sym_get_choice_value(sym); 532 struct menu *def_menu = NULL; 533 534 child_count++; 535 for (child = menu->list; child; child = child->next) { 536 if (menu_is_visible(child) && child->sym == def_sym) 537 def_menu = child; 538 } 539 540 val = sym_get_tristate_value(sym); 541 if (sym_is_changable(sym)) { 542 switch (type) { 543 case S_BOOLEAN: 544 item_make("[%c]", val == no ? ' ' : '*'); 545 break; 546 case S_TRISTATE: 547 switch (val) { 548 case yes: ch = '*'; break; 549 case mod: ch = 'M'; break; 550 default: ch = ' '; break; 551 } 552 item_make("<%c>", ch); 553 break; 554 } 555 item_set_tag('t'); 556 item_set_data(menu); 557 } else { 558 item_make(" "); 559 item_set_tag(def_menu ? 't' : ':'); 560 item_set_data(menu); 561 } 562 563 item_add_str("%*c%s", indent + 1, ' ', _(menu_get_prompt(menu))); 564 if (val == yes) { 565 if (def_menu) { 566 item_add_str(" (%s)", _(menu_get_prompt(def_menu))); 567 item_add_str(" --->"); 568 if (def_menu->list) { 569 indent += 2; 570 build_conf(def_menu); 571 indent -= 2; 572 } 573 } 574 return; 575 } 576 } else { 577 if (menu == current_menu) { 578 item_make("---%*c%s", indent + 1, ' ', _(menu_get_prompt(menu))); 579 item_set_tag(':'); 580 item_set_data(menu); 581 goto conf_childs; 582 } 583 child_count++; 584 val = sym_get_tristate_value(sym); 585 if (sym_is_choice_value(sym) && val == yes) { 586 item_make(" "); 587 item_set_tag(':'); 588 item_set_data(menu); 589 } else { 590 switch (type) { 591 case S_BOOLEAN: 592 if (sym_is_changable(sym)) 593 item_make("[%c]", val == no ? ' ' : '*'); 594 else 595 item_make("-%c-", val == no ? ' ' : '*'); 596 item_set_tag('t'); 597 item_set_data(menu); 598 break; 599 case S_TRISTATE: 600 switch (val) { 601 case yes: ch = '*'; break; 602 case mod: ch = 'M'; break; 603 default: ch = ' '; break; 604 } 605 if (sym_is_changable(sym)) { 606 if (sym->rev_dep.tri == mod) 607 item_make("{%c}", ch); 608 else 609 item_make("<%c>", ch); 610 } else 611 item_make("-%c-", ch); 612 item_set_tag('t'); 613 item_set_data(menu); 614 break; 615 default: 616 tmp = 2 + strlen(sym_get_string_value(sym)); /* () = 2 */ 617 item_make("(%s)", sym_get_string_value(sym)); 618 tmp = indent - tmp + 4; 619 if (tmp < 0) 620 tmp = 0; 621 item_add_str("%*c%s%s", tmp, ' ', _(menu_get_prompt(menu)), 622 (sym_has_value(sym) || !sym_is_changable(sym)) ? 623 "" : _(" (NEW)")); 624 item_set_tag('s'); 625 item_set_data(menu); 626 goto conf_childs; 627 } 628 } 629 item_add_str("%*c%s%s", indent + 1, ' ', _(menu_get_prompt(menu)), 630 (sym_has_value(sym) || !sym_is_changable(sym)) ? 631 "" : _(" (NEW)")); 632 if (menu->prompt->type == P_MENU) { 633 item_add_str(" --->"); 634 return; 635 } 636 } 637 638 conf_childs: 639 indent += doint; 640 for (child = menu->list; child; child = child->next) 641 build_conf(child); 642 indent -= doint; 643 } 644 645 static void conf(struct menu *menu, struct menu *active_menu) 646 { 647 struct menu *submenu; 648 const char *prompt = menu_get_prompt(menu); 649 struct subtitle_part stpart; 650 struct symbol *sym; 651 int res; 652 int s_scroll = 0; 653 654 if (menu != &rootmenu) 655 stpart.text = menu_get_prompt(menu); 656 else 657 stpart.text = NULL; 658 list_add_tail(&stpart.entries, &trail); 659 660 while (1) { 661 item_reset(); 662 current_menu = menu; 663 build_conf(menu); 664 if (!child_count) 665 break; 666 set_subtitle(); 667 dialog_clear(); 668 res = dialog_menu(prompt ? _(prompt) : _("Main Menu"), 669 _(menu_instructions), 670 active_menu, &s_scroll); 671 if (res == 1 || res == KEY_ESC || res == -ERRDISPLAYTOOSMALL) 672 break; 673 if (item_count() != 0) { 674 if (!item_activate_selected()) 675 continue; 676 if (!item_tag()) 677 continue; 678 } 679 submenu = item_data(); 680 active_menu = item_data(); 681 if (submenu) 682 sym = submenu->sym; 683 else 684 sym = NULL; 685 686 switch (res) { 687 case 0: 688 switch (item_tag()) { 689 case 'm': 690 if (single_menu_mode) 691 submenu->data = (void *) (long) !submenu->data; 692 else 693 conf(submenu, NULL); 694 break; 695 case 't': 696 if (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes) 697 conf_choice(submenu); 698 else if (submenu->prompt->type == P_MENU) 699 conf(submenu, NULL); 700 break; 701 case 's': 702 conf_string(submenu); 703 break; 704 } 705 break; 706 case 2: 707 if (sym) 708 show_help(submenu); 709 else { 710 reset_subtitle(); 711 show_helptext(_("README"), _(mconf_readme)); 712 } 713 break; 714 case 3: 715 reset_subtitle(); 716 conf_save(); 717 break; 718 case 4: 719 reset_subtitle(); 720 conf_load(); 721 break; 722 case 5: 723 if (item_is_tag('t')) { 724 if (sym_set_tristate_value(sym, yes)) 725 break; 726 if (sym_set_tristate_value(sym, mod)) 727 show_textbox(NULL, setmod_text, 6, 74); 728 } 729 break; 730 case 6: 731 if (item_is_tag('t')) 732 sym_set_tristate_value(sym, no); 733 break; 734 case 7: 735 if (item_is_tag('t')) 736 sym_set_tristate_value(sym, mod); 737 break; 738 case 8: 739 if (item_is_tag('t')) 740 sym_toggle_tristate_value(sym); 741 else if (item_is_tag('m')) 742 conf(submenu, NULL); 743 break; 744 case 9: 745 search_conf(); 746 break; 747 case 10: 748 show_all_options = !show_all_options; 749 break; 750 } 751 } 752 753 list_del(trail.prev); 754 } 755 756 static int show_textbox_ext(const char *title, char *text, int r, int c, int 757 *keys, int *vscroll, int *hscroll, update_text_fn 758 update_text, void *data) 759 { 760 dialog_clear(); 761 return dialog_textbox(title, text, r, c, keys, vscroll, hscroll, 762 update_text, data); 763 } 764 765 static void show_textbox(const char *title, const char *text, int r, int c) 766 { 767 show_textbox_ext(title, (char *) text, r, c, (int []) {0}, NULL, NULL, 768 NULL, NULL); 769 } 770 771 static void show_helptext(const char *title, const char *text) 772 { 773 show_textbox(title, text, 0, 0); 774 } 775 776 static void conf_message_callback(const char *fmt, va_list ap) 777 { 778 char buf[PATH_MAX+1]; 779 780 vsnprintf(buf, sizeof(buf), fmt, ap); 781 if (save_and_exit) 782 printf("%s", buf); 783 else 784 show_textbox(NULL, buf, 6, 60); 785 } 786 787 static void show_help(struct menu *menu) 788 { 789 struct gstr help = str_new(); 790 791 help.max_width = getmaxx(stdscr) - 10; 792 menu_get_ext_help(menu, &help); 793 794 show_helptext(_(menu_get_prompt(menu)), str_get(&help)); 795 str_free(&help); 796 } 797 798 static void conf_choice(struct menu *menu) 799 { 800 const char *prompt = _(menu_get_prompt(menu)); 801 struct menu *child; 802 struct symbol *active; 803 804 active = sym_get_choice_value(menu->sym); 805 while (1) { 806 int res; 807 int selected; 808 item_reset(); 809 810 current_menu = menu; 811 for (child = menu->list; child; child = child->next) { 812 if (!menu_is_visible(child)) 813 continue; 814 if (child->sym) 815 item_make("%s", _(menu_get_prompt(child))); 816 else { 817 item_make("*** %s ***", _(menu_get_prompt(child))); 818 item_set_tag(':'); 819 } 820 item_set_data(child); 821 if (child->sym == active) 822 item_set_selected(1); 823 if (child->sym == sym_get_choice_value(menu->sym)) 824 item_set_tag('X'); 825 } 826 dialog_clear(); 827 res = dialog_checklist(prompt ? _(prompt) : _("Main Menu"), 828 _(radiolist_instructions), 829 15, 70, 6); 830 selected = item_activate_selected(); 831 switch (res) { 832 case 0: 833 if (selected) { 834 child = item_data(); 835 if (!child->sym) 836 break; 837 838 sym_set_tristate_value(child->sym, yes); 839 } 840 return; 841 case 1: 842 if (selected) { 843 child = item_data(); 844 show_help(child); 845 active = child->sym; 846 } else 847 show_help(menu); 848 break; 849 case KEY_ESC: 850 return; 851 case -ERRDISPLAYTOOSMALL: 852 return; 853 } 854 } 855 } 856 857 static void conf_string(struct menu *menu) 858 { 859 const char *prompt = menu_get_prompt(menu); 860 861 while (1) { 862 int res; 863 const char *heading; 864 865 switch (sym_get_type(menu->sym)) { 866 case S_INT: 867 heading = _(inputbox_instructions_int); 868 break; 869 case S_HEX: 870 heading = _(inputbox_instructions_hex); 871 break; 872 case S_STRING: 873 heading = _(inputbox_instructions_string); 874 break; 875 default: 876 heading = _("Internal mconf error!"); 877 } 878 dialog_clear(); 879 res = dialog_inputbox(prompt ? _(prompt) : _("Main Menu"), 880 heading, 10, 75, 881 sym_get_string_value(menu->sym)); 882 switch (res) { 883 case 0: 884 if (sym_set_string_value(menu->sym, dialog_input_result)) 885 return; 886 show_textbox(NULL, _("You have made an invalid entry."), 5, 43); 887 break; 888 case 1: 889 show_help(menu); 890 break; 891 case KEY_ESC: 892 return; 893 } 894 } 895 } 896 897 static void conf_load(void) 898 { 899 900 while (1) { 901 int res; 902 dialog_clear(); 903 res = dialog_inputbox(NULL, load_config_text, 904 11, 55, filename); 905 switch(res) { 906 case 0: 907 if (!dialog_input_result[0]) 908 return; 909 if (!conf_read(dialog_input_result)) { 910 set_config_filename(dialog_input_result); 911 sym_set_change_count(1); 912 return; 913 } 914 show_textbox(NULL, _("File does not exist!"), 5, 38); 915 break; 916 case 1: 917 show_helptext(_("Load Alternate Configuration"), load_config_help); 918 break; 919 case KEY_ESC: 920 return; 921 } 922 } 923 } 924 925 static void conf_save(void) 926 { 927 while (1) { 928 int res; 929 dialog_clear(); 930 res = dialog_inputbox(NULL, save_config_text, 931 11, 55, filename); 932 switch(res) { 933 case 0: 934 if (!dialog_input_result[0]) 935 return; 936 if (!conf_write(dialog_input_result)) { 937 set_config_filename(dialog_input_result); 938 return; 939 } 940 show_textbox(NULL, _("Can't create file! Probably a nonexistent directory."), 5, 60); 941 break; 942 case 1: 943 show_helptext(_("Save Alternate Configuration"), save_config_help); 944 break; 945 case KEY_ESC: 946 return; 947 } 948 } 949 } 950 951 static int handle_exit(void) 952 { 953 int res; 954 955 save_and_exit = 1; 956 reset_subtitle(); 957 dialog_clear(); 958 if (conf_get_changed()) 959 res = dialog_yesno(NULL, 960 _("Do you wish to save your new configuration ?\n" 961 "<ESC><ESC> to continue."), 962 6, 60); 963 else 964 res = -1; 965 966 end_dialog(saved_x, saved_y); 967 968 switch (res) { 969 case 0: 970 if (conf_write(filename)) { 971 fprintf(stderr, _("\n\n" 972 "Error while writing of the configuration.\n" 973 "Your configuration changes were NOT saved." 974 "\n\n")); 975 return 1; 976 } 977 /* fall through */ 978 case -1: 979 printf(_("\n\n" 980 "*** End of the configuration.\n" 981 "*** Execute 'make' to start the build or try 'make help'." 982 "\n\n")); 983 res = 0; 984 break; 985 default: 986 fprintf(stderr, _("\n\n" 987 "Your configuration changes were NOT saved." 988 "\n\n")); 989 if (res != KEY_ESC) 990 res = 0; 991 } 992 993 return res; 994 } 995 996 static void sig_handler(int signo) 997 { 998 exit(handle_exit()); 999 } 1000 1001 int main(int ac, char **av) 1002 { 1003 char *mode; 1004 int res; 1005 1006 setlocale(LC_ALL, ""); 1007 bindtextdomain(PACKAGE, LOCALEDIR); 1008 textdomain(PACKAGE); 1009 1010 signal(SIGINT, sig_handler); 1011 1012 conf_parse(av[1]); 1013 conf_read(NULL); 1014 1015 mode = getenv("MENUCONFIG_MODE"); 1016 if (mode) { 1017 if (!strcasecmp(mode, "single_menu")) 1018 single_menu_mode = 1; 1019 } 1020 1021 if (init_dialog(NULL)) { 1022 fprintf(stderr, N_("Your display is too small to run Menuconfig!\n")); 1023 fprintf(stderr, N_("It must be at least 19 lines by 80 columns.\n")); 1024 return 1; 1025 } 1026 1027 set_config_filename(conf_get_configname()); 1028 conf_set_message_callback(conf_message_callback); 1029 do { 1030 conf(&rootmenu, NULL); 1031 res = handle_exit(); 1032 } while (res == KEY_ESC); 1033 1034 return res; 1035 } 1036 1037