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_activate_selected()) 674 continue; 675 if (!item_tag()) 676 continue; 677 678 submenu = item_data(); 679 active_menu = item_data(); 680 if (submenu) 681 sym = submenu->sym; 682 else 683 sym = NULL; 684 685 switch (res) { 686 case 0: 687 switch (item_tag()) { 688 case 'm': 689 if (single_menu_mode) 690 submenu->data = (void *) (long) !submenu->data; 691 else 692 conf(submenu, NULL); 693 break; 694 case 't': 695 if (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes) 696 conf_choice(submenu); 697 else if (submenu->prompt->type == P_MENU) 698 conf(submenu, NULL); 699 break; 700 case 's': 701 conf_string(submenu); 702 break; 703 } 704 break; 705 case 2: 706 if (sym) 707 show_help(submenu); 708 else { 709 reset_subtitle(); 710 show_helptext(_("README"), _(mconf_readme)); 711 } 712 break; 713 case 3: 714 reset_subtitle(); 715 conf_save(); 716 break; 717 case 4: 718 reset_subtitle(); 719 conf_load(); 720 break; 721 case 5: 722 if (item_is_tag('t')) { 723 if (sym_set_tristate_value(sym, yes)) 724 break; 725 if (sym_set_tristate_value(sym, mod)) 726 show_textbox(NULL, setmod_text, 6, 74); 727 } 728 break; 729 case 6: 730 if (item_is_tag('t')) 731 sym_set_tristate_value(sym, no); 732 break; 733 case 7: 734 if (item_is_tag('t')) 735 sym_set_tristate_value(sym, mod); 736 break; 737 case 8: 738 if (item_is_tag('t')) 739 sym_toggle_tristate_value(sym); 740 else if (item_is_tag('m')) 741 conf(submenu, NULL); 742 break; 743 case 9: 744 search_conf(); 745 break; 746 case 10: 747 show_all_options = !show_all_options; 748 break; 749 } 750 } 751 752 list_del(trail.prev); 753 } 754 755 static int show_textbox_ext(const char *title, char *text, int r, int c, int 756 *keys, int *vscroll, int *hscroll, update_text_fn 757 update_text, void *data) 758 { 759 dialog_clear(); 760 return dialog_textbox(title, text, r, c, keys, vscroll, hscroll, 761 update_text, data); 762 } 763 764 static void show_textbox(const char *title, const char *text, int r, int c) 765 { 766 show_textbox_ext(title, (char *) text, r, c, (int []) {0}, NULL, NULL, 767 NULL, NULL); 768 } 769 770 static void show_helptext(const char *title, const char *text) 771 { 772 show_textbox(title, text, 0, 0); 773 } 774 775 static void conf_message_callback(const char *fmt, va_list ap) 776 { 777 char buf[PATH_MAX+1]; 778 779 vsnprintf(buf, sizeof(buf), fmt, ap); 780 if (save_and_exit) 781 printf("%s", buf); 782 else 783 show_textbox(NULL, buf, 6, 60); 784 } 785 786 static void show_help(struct menu *menu) 787 { 788 struct gstr help = str_new(); 789 790 help.max_width = getmaxx(stdscr) - 10; 791 menu_get_ext_help(menu, &help); 792 793 show_helptext(_(menu_get_prompt(menu)), str_get(&help)); 794 str_free(&help); 795 } 796 797 static void conf_choice(struct menu *menu) 798 { 799 const char *prompt = _(menu_get_prompt(menu)); 800 struct menu *child; 801 struct symbol *active; 802 803 active = sym_get_choice_value(menu->sym); 804 while (1) { 805 int res; 806 int selected; 807 item_reset(); 808 809 current_menu = menu; 810 for (child = menu->list; child; child = child->next) { 811 if (!menu_is_visible(child)) 812 continue; 813 if (child->sym) 814 item_make("%s", _(menu_get_prompt(child))); 815 else { 816 item_make("*** %s ***", _(menu_get_prompt(child))); 817 item_set_tag(':'); 818 } 819 item_set_data(child); 820 if (child->sym == active) 821 item_set_selected(1); 822 if (child->sym == sym_get_choice_value(menu->sym)) 823 item_set_tag('X'); 824 } 825 dialog_clear(); 826 res = dialog_checklist(prompt ? _(prompt) : _("Main Menu"), 827 _(radiolist_instructions), 828 15, 70, 6); 829 selected = item_activate_selected(); 830 switch (res) { 831 case 0: 832 if (selected) { 833 child = item_data(); 834 if (!child->sym) 835 break; 836 837 sym_set_tristate_value(child->sym, yes); 838 } 839 return; 840 case 1: 841 if (selected) { 842 child = item_data(); 843 show_help(child); 844 active = child->sym; 845 } else 846 show_help(menu); 847 break; 848 case KEY_ESC: 849 return; 850 case -ERRDISPLAYTOOSMALL: 851 return; 852 } 853 } 854 } 855 856 static void conf_string(struct menu *menu) 857 { 858 const char *prompt = menu_get_prompt(menu); 859 860 while (1) { 861 int res; 862 const char *heading; 863 864 switch (sym_get_type(menu->sym)) { 865 case S_INT: 866 heading = _(inputbox_instructions_int); 867 break; 868 case S_HEX: 869 heading = _(inputbox_instructions_hex); 870 break; 871 case S_STRING: 872 heading = _(inputbox_instructions_string); 873 break; 874 default: 875 heading = _("Internal mconf error!"); 876 } 877 dialog_clear(); 878 res = dialog_inputbox(prompt ? _(prompt) : _("Main Menu"), 879 heading, 10, 75, 880 sym_get_string_value(menu->sym)); 881 switch (res) { 882 case 0: 883 if (sym_set_string_value(menu->sym, dialog_input_result)) 884 return; 885 show_textbox(NULL, _("You have made an invalid entry."), 5, 43); 886 break; 887 case 1: 888 show_help(menu); 889 break; 890 case KEY_ESC: 891 return; 892 } 893 } 894 } 895 896 static void conf_load(void) 897 { 898 899 while (1) { 900 int res; 901 dialog_clear(); 902 res = dialog_inputbox(NULL, load_config_text, 903 11, 55, filename); 904 switch(res) { 905 case 0: 906 if (!dialog_input_result[0]) 907 return; 908 if (!conf_read(dialog_input_result)) { 909 set_config_filename(dialog_input_result); 910 sym_set_change_count(1); 911 return; 912 } 913 show_textbox(NULL, _("File does not exist!"), 5, 38); 914 break; 915 case 1: 916 show_helptext(_("Load Alternate Configuration"), load_config_help); 917 break; 918 case KEY_ESC: 919 return; 920 } 921 } 922 } 923 924 static void conf_save(void) 925 { 926 while (1) { 927 int res; 928 dialog_clear(); 929 res = dialog_inputbox(NULL, save_config_text, 930 11, 55, filename); 931 switch(res) { 932 case 0: 933 if (!dialog_input_result[0]) 934 return; 935 if (!conf_write(dialog_input_result)) { 936 set_config_filename(dialog_input_result); 937 return; 938 } 939 show_textbox(NULL, _("Can't create file! Probably a nonexistent directory."), 5, 60); 940 break; 941 case 1: 942 show_helptext(_("Save Alternate Configuration"), save_config_help); 943 break; 944 case KEY_ESC: 945 return; 946 } 947 } 948 } 949 950 static int handle_exit(void) 951 { 952 int res; 953 954 save_and_exit = 1; 955 reset_subtitle(); 956 dialog_clear(); 957 if (conf_get_changed()) 958 res = dialog_yesno(NULL, 959 _("Do you wish to save your new configuration ?\n" 960 "<ESC><ESC> to continue."), 961 6, 60); 962 else 963 res = -1; 964 965 end_dialog(saved_x, saved_y); 966 967 switch (res) { 968 case 0: 969 if (conf_write(filename)) { 970 fprintf(stderr, _("\n\n" 971 "Error while writing of the configuration.\n" 972 "Your configuration changes were NOT saved." 973 "\n\n")); 974 return 1; 975 } 976 /* fall through */ 977 case -1: 978 printf(_("\n\n" 979 "*** End of the configuration.\n" 980 "*** Execute 'make' to start the build or try 'make help'." 981 "\n\n")); 982 res = 0; 983 break; 984 default: 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 setlocale(LC_ALL, ""); 1006 bindtextdomain(PACKAGE, LOCALEDIR); 1007 textdomain(PACKAGE); 1008 1009 signal(SIGINT, sig_handler); 1010 1011 conf_parse(av[1]); 1012 conf_read(NULL); 1013 1014 mode = getenv("MENUCONFIG_MODE"); 1015 if (mode) { 1016 if (!strcasecmp(mode, "single_menu")) 1017 single_menu_mode = 1; 1018 } 1019 1020 if (init_dialog(NULL)) { 1021 fprintf(stderr, N_("Your display is too small to run Menuconfig!\n")); 1022 fprintf(stderr, N_("It must be at least 19 lines by 80 columns.\n")); 1023 return 1; 1024 } 1025 1026 set_config_filename(conf_get_configname()); 1027 conf_set_message_callback(conf_message_callback); 1028 do { 1029 conf(&rootmenu, NULL); 1030 res = handle_exit(); 1031 } while (res == KEY_ESC); 1032 1033 return res; 1034 } 1035 1036