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 } 313 314 315 struct search_data { 316 struct list_head *head; 317 struct menu **targets; 318 int *keys; 319 }; 320 321 static void update_text(char *buf, size_t start, size_t end, void *_data) 322 { 323 struct search_data *data = _data; 324 struct jump_key *pos; 325 int k = 0; 326 327 list_for_each_entry(pos, data->head, entries) { 328 if (pos->offset >= start && pos->offset < end) { 329 char header[4]; 330 331 if (k < JUMP_NB) { 332 int key = '0' + (pos->index % JUMP_NB) + 1; 333 334 sprintf(header, "(%c)", key); 335 data->keys[k] = key; 336 data->targets[k] = pos->target; 337 k++; 338 } else { 339 sprintf(header, " "); 340 } 341 342 memcpy(buf + pos->offset, header, sizeof(header) - 1); 343 } 344 } 345 data->keys[k] = 0; 346 } 347 348 static void search_conf(void) 349 { 350 struct symbol **sym_arr; 351 struct gstr res; 352 struct gstr title; 353 char *dialog_input; 354 int dres, vscroll = 0, hscroll = 0; 355 bool again; 356 357 title = str_new(); 358 str_printf( &title, _("Enter %s (sub)string to search for " 359 "(with or without \"%s\")"), CONFIG_, CONFIG_); 360 361 again: 362 dialog_clear(); 363 dres = dialog_inputbox(_("Search Configuration Parameter"), 364 str_get(&title), 365 10, 75, ""); 366 switch (dres) { 367 case 0: 368 break; 369 case 1: 370 show_helptext(_("Search Configuration"), search_help); 371 goto again; 372 default: 373 str_free(&title); 374 return; 375 } 376 377 /* strip the prefix if necessary */ 378 dialog_input = dialog_input_result; 379 if (strncasecmp(dialog_input_result, CONFIG_, strlen(CONFIG_)) == 0) 380 dialog_input += strlen(CONFIG_); 381 382 sym_arr = sym_re_search(dialog_input); 383 do { 384 LIST_HEAD(head); 385 struct menu *targets[JUMP_NB]; 386 int keys[JUMP_NB + 1], i; 387 struct search_data data = { 388 .head = &head, 389 .targets = targets, 390 .keys = keys, 391 }; 392 struct jump_key *pos, *tmp; 393 394 res = get_relations_str(sym_arr, &head); 395 dres = show_textbox_ext(_("Search Results"), (char *) 396 str_get(&res), 0, 0, keys, &vscroll, 397 &hscroll, &update_text, (void *) 398 &data); 399 again = false; 400 for (i = 0; i < JUMP_NB && keys[i]; i++) 401 if (dres == keys[i]) { 402 conf(targets[i]->parent, targets[i]); 403 again = true; 404 } 405 str_free(&res); 406 list_for_each_entry_safe(pos, tmp, &head, entries) 407 free(pos); 408 } while (again); 409 free(sym_arr); 410 str_free(&title); 411 } 412 413 static void build_conf(struct menu *menu) 414 { 415 struct symbol *sym; 416 struct property *prop; 417 struct menu *child; 418 int type, tmp, doint = 2; 419 tristate val; 420 char ch; 421 bool visible; 422 423 /* 424 * note: menu_is_visible() has side effect that it will 425 * recalc the value of the symbol. 426 */ 427 visible = menu_is_visible(menu); 428 if (show_all_options && !menu_has_prompt(menu)) 429 return; 430 else if (!show_all_options && !visible) 431 return; 432 433 sym = menu->sym; 434 prop = menu->prompt; 435 if (!sym) { 436 if (prop && menu != current_menu) { 437 const char *prompt = menu_get_prompt(menu); 438 switch (prop->type) { 439 case P_MENU: 440 child_count++; 441 prompt = _(prompt); 442 if (single_menu_mode) { 443 item_make("%s%*c%s", 444 menu->data ? "-->" : "++>", 445 indent + 1, ' ', prompt); 446 } else 447 item_make(" %*c%s --->", indent + 1, ' ', prompt); 448 449 item_set_tag('m'); 450 item_set_data(menu); 451 if (single_menu_mode && menu->data) 452 goto conf_childs; 453 return; 454 case P_COMMENT: 455 if (prompt) { 456 child_count++; 457 item_make(" %*c*** %s ***", indent + 1, ' ', _(prompt)); 458 item_set_tag(':'); 459 item_set_data(menu); 460 } 461 break; 462 default: 463 if (prompt) { 464 child_count++; 465 item_make("---%*c%s", indent + 1, ' ', _(prompt)); 466 item_set_tag(':'); 467 item_set_data(menu); 468 } 469 } 470 } else 471 doint = 0; 472 goto conf_childs; 473 } 474 475 type = sym_get_type(sym); 476 if (sym_is_choice(sym)) { 477 struct symbol *def_sym = sym_get_choice_value(sym); 478 struct menu *def_menu = NULL; 479 480 child_count++; 481 for (child = menu->list; child; child = child->next) { 482 if (menu_is_visible(child) && child->sym == def_sym) 483 def_menu = child; 484 } 485 486 val = sym_get_tristate_value(sym); 487 if (sym_is_changable(sym)) { 488 switch (type) { 489 case S_BOOLEAN: 490 item_make("[%c]", val == no ? ' ' : '*'); 491 break; 492 case S_TRISTATE: 493 switch (val) { 494 case yes: ch = '*'; break; 495 case mod: ch = 'M'; break; 496 default: ch = ' '; break; 497 } 498 item_make("<%c>", ch); 499 break; 500 } 501 item_set_tag('t'); 502 item_set_data(menu); 503 } else { 504 item_make(" "); 505 item_set_tag(def_menu ? 't' : ':'); 506 item_set_data(menu); 507 } 508 509 item_add_str("%*c%s", indent + 1, ' ', _(menu_get_prompt(menu))); 510 if (val == yes) { 511 if (def_menu) { 512 item_add_str(" (%s)", _(menu_get_prompt(def_menu))); 513 item_add_str(" --->"); 514 if (def_menu->list) { 515 indent += 2; 516 build_conf(def_menu); 517 indent -= 2; 518 } 519 } 520 return; 521 } 522 } else { 523 if (menu == current_menu) { 524 item_make("---%*c%s", indent + 1, ' ', _(menu_get_prompt(menu))); 525 item_set_tag(':'); 526 item_set_data(menu); 527 goto conf_childs; 528 } 529 child_count++; 530 val = sym_get_tristate_value(sym); 531 if (sym_is_choice_value(sym) && val == yes) { 532 item_make(" "); 533 item_set_tag(':'); 534 item_set_data(menu); 535 } else { 536 switch (type) { 537 case S_BOOLEAN: 538 if (sym_is_changable(sym)) 539 item_make("[%c]", val == no ? ' ' : '*'); 540 else 541 item_make("-%c-", val == no ? ' ' : '*'); 542 item_set_tag('t'); 543 item_set_data(menu); 544 break; 545 case S_TRISTATE: 546 switch (val) { 547 case yes: ch = '*'; break; 548 case mod: ch = 'M'; break; 549 default: ch = ' '; break; 550 } 551 if (sym_is_changable(sym)) { 552 if (sym->rev_dep.tri == mod) 553 item_make("{%c}", ch); 554 else 555 item_make("<%c>", ch); 556 } else 557 item_make("-%c-", ch); 558 item_set_tag('t'); 559 item_set_data(menu); 560 break; 561 default: 562 tmp = 2 + strlen(sym_get_string_value(sym)); /* () = 2 */ 563 item_make("(%s)", sym_get_string_value(sym)); 564 tmp = indent - tmp + 4; 565 if (tmp < 0) 566 tmp = 0; 567 item_add_str("%*c%s%s", tmp, ' ', _(menu_get_prompt(menu)), 568 (sym_has_value(sym) || !sym_is_changable(sym)) ? 569 "" : _(" (NEW)")); 570 item_set_tag('s'); 571 item_set_data(menu); 572 goto conf_childs; 573 } 574 } 575 item_add_str("%*c%s%s", indent + 1, ' ', _(menu_get_prompt(menu)), 576 (sym_has_value(sym) || !sym_is_changable(sym)) ? 577 "" : _(" (NEW)")); 578 if (menu->prompt->type == P_MENU) { 579 item_add_str(" --->"); 580 return; 581 } 582 } 583 584 conf_childs: 585 indent += doint; 586 for (child = menu->list; child; child = child->next) 587 build_conf(child); 588 indent -= doint; 589 } 590 591 static void conf(struct menu *menu, struct menu *active_menu) 592 { 593 struct menu *submenu; 594 const char *prompt = menu_get_prompt(menu); 595 struct symbol *sym; 596 int res; 597 int s_scroll = 0; 598 599 while (1) { 600 item_reset(); 601 current_menu = menu; 602 build_conf(menu); 603 if (!child_count) 604 break; 605 dialog_clear(); 606 res = dialog_menu(prompt ? _(prompt) : _("Main Menu"), 607 _(menu_instructions), 608 active_menu, &s_scroll); 609 if (res == 1 || res == KEY_ESC || res == -ERRDISPLAYTOOSMALL) 610 break; 611 if (!item_activate_selected()) 612 continue; 613 if (!item_tag()) 614 continue; 615 616 submenu = item_data(); 617 active_menu = item_data(); 618 if (submenu) 619 sym = submenu->sym; 620 else 621 sym = NULL; 622 623 switch (res) { 624 case 0: 625 switch (item_tag()) { 626 case 'm': 627 if (single_menu_mode) 628 submenu->data = (void *) (long) !submenu->data; 629 else 630 conf(submenu, NULL); 631 break; 632 case 't': 633 if (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes) 634 conf_choice(submenu); 635 else if (submenu->prompt->type == P_MENU) 636 conf(submenu, NULL); 637 break; 638 case 's': 639 conf_string(submenu); 640 break; 641 } 642 break; 643 case 2: 644 if (sym) 645 show_help(submenu); 646 else 647 show_helptext(_("README"), _(mconf_readme)); 648 break; 649 case 3: 650 conf_save(); 651 break; 652 case 4: 653 conf_load(); 654 break; 655 case 5: 656 if (item_is_tag('t')) { 657 if (sym_set_tristate_value(sym, yes)) 658 break; 659 if (sym_set_tristate_value(sym, mod)) 660 show_textbox(NULL, setmod_text, 6, 74); 661 } 662 break; 663 case 6: 664 if (item_is_tag('t')) 665 sym_set_tristate_value(sym, no); 666 break; 667 case 7: 668 if (item_is_tag('t')) 669 sym_set_tristate_value(sym, mod); 670 break; 671 case 8: 672 if (item_is_tag('t')) 673 sym_toggle_tristate_value(sym); 674 else if (item_is_tag('m')) 675 conf(submenu, NULL); 676 break; 677 case 9: 678 search_conf(); 679 break; 680 case 10: 681 show_all_options = !show_all_options; 682 break; 683 } 684 } 685 } 686 687 static int show_textbox_ext(const char *title, char *text, int r, int c, int 688 *keys, int *vscroll, int *hscroll, update_text_fn 689 update_text, void *data) 690 { 691 dialog_clear(); 692 return dialog_textbox(title, text, r, c, keys, vscroll, hscroll, 693 update_text, data); 694 } 695 696 static void show_textbox(const char *title, const char *text, int r, int c) 697 { 698 show_textbox_ext(title, (char *) text, r, c, (int []) {0}, NULL, NULL, 699 NULL, NULL); 700 } 701 702 static void show_helptext(const char *title, const char *text) 703 { 704 show_textbox(title, text, 0, 0); 705 } 706 707 static void conf_message_callback(const char *fmt, va_list ap) 708 { 709 char buf[PATH_MAX+1]; 710 711 vsnprintf(buf, sizeof(buf), fmt, ap); 712 if (save_and_exit) 713 printf("%s", buf); 714 else 715 show_textbox(NULL, buf, 6, 60); 716 } 717 718 static void show_help(struct menu *menu) 719 { 720 struct gstr help = str_new(); 721 722 help.max_width = getmaxx(stdscr) - 10; 723 menu_get_ext_help(menu, &help); 724 725 show_helptext(_(menu_get_prompt(menu)), str_get(&help)); 726 str_free(&help); 727 } 728 729 static void conf_choice(struct menu *menu) 730 { 731 const char *prompt = _(menu_get_prompt(menu)); 732 struct menu *child; 733 struct symbol *active; 734 735 active = sym_get_choice_value(menu->sym); 736 while (1) { 737 int res; 738 int selected; 739 item_reset(); 740 741 current_menu = menu; 742 for (child = menu->list; child; child = child->next) { 743 if (!menu_is_visible(child)) 744 continue; 745 if (child->sym) 746 item_make("%s", _(menu_get_prompt(child))); 747 else { 748 item_make("*** %s ***", _(menu_get_prompt(child))); 749 item_set_tag(':'); 750 } 751 item_set_data(child); 752 if (child->sym == active) 753 item_set_selected(1); 754 if (child->sym == sym_get_choice_value(menu->sym)) 755 item_set_tag('X'); 756 } 757 dialog_clear(); 758 res = dialog_checklist(prompt ? _(prompt) : _("Main Menu"), 759 _(radiolist_instructions), 760 15, 70, 6); 761 selected = item_activate_selected(); 762 switch (res) { 763 case 0: 764 if (selected) { 765 child = item_data(); 766 if (!child->sym) 767 break; 768 769 sym_set_tristate_value(child->sym, yes); 770 } 771 return; 772 case 1: 773 if (selected) { 774 child = item_data(); 775 show_help(child); 776 active = child->sym; 777 } else 778 show_help(menu); 779 break; 780 case KEY_ESC: 781 return; 782 case -ERRDISPLAYTOOSMALL: 783 return; 784 } 785 } 786 } 787 788 static void conf_string(struct menu *menu) 789 { 790 const char *prompt = menu_get_prompt(menu); 791 792 while (1) { 793 int res; 794 const char *heading; 795 796 switch (sym_get_type(menu->sym)) { 797 case S_INT: 798 heading = _(inputbox_instructions_int); 799 break; 800 case S_HEX: 801 heading = _(inputbox_instructions_hex); 802 break; 803 case S_STRING: 804 heading = _(inputbox_instructions_string); 805 break; 806 default: 807 heading = _("Internal mconf error!"); 808 } 809 dialog_clear(); 810 res = dialog_inputbox(prompt ? _(prompt) : _("Main Menu"), 811 heading, 10, 75, 812 sym_get_string_value(menu->sym)); 813 switch (res) { 814 case 0: 815 if (sym_set_string_value(menu->sym, dialog_input_result)) 816 return; 817 show_textbox(NULL, _("You have made an invalid entry."), 5, 43); 818 break; 819 case 1: 820 show_help(menu); 821 break; 822 case KEY_ESC: 823 return; 824 } 825 } 826 } 827 828 static void conf_load(void) 829 { 830 831 while (1) { 832 int res; 833 dialog_clear(); 834 res = dialog_inputbox(NULL, load_config_text, 835 11, 55, filename); 836 switch(res) { 837 case 0: 838 if (!dialog_input_result[0]) 839 return; 840 if (!conf_read(dialog_input_result)) { 841 set_config_filename(dialog_input_result); 842 sym_set_change_count(1); 843 return; 844 } 845 show_textbox(NULL, _("File does not exist!"), 5, 38); 846 break; 847 case 1: 848 show_helptext(_("Load Alternate Configuration"), load_config_help); 849 break; 850 case KEY_ESC: 851 return; 852 } 853 } 854 } 855 856 static void conf_save(void) 857 { 858 while (1) { 859 int res; 860 dialog_clear(); 861 res = dialog_inputbox(NULL, save_config_text, 862 11, 55, filename); 863 switch(res) { 864 case 0: 865 if (!dialog_input_result[0]) 866 return; 867 if (!conf_write(dialog_input_result)) { 868 set_config_filename(dialog_input_result); 869 return; 870 } 871 show_textbox(NULL, _("Can't create file! Probably a nonexistent directory."), 5, 60); 872 break; 873 case 1: 874 show_helptext(_("Save Alternate Configuration"), save_config_help); 875 break; 876 case KEY_ESC: 877 return; 878 } 879 } 880 } 881 882 static int handle_exit(void) 883 { 884 int res; 885 886 save_and_exit = 1; 887 dialog_clear(); 888 if (conf_get_changed()) 889 res = dialog_yesno(NULL, 890 _("Do you wish to save your new configuration ?\n" 891 "<ESC><ESC> to continue."), 892 6, 60); 893 else 894 res = -1; 895 896 end_dialog(saved_x, saved_y); 897 898 switch (res) { 899 case 0: 900 if (conf_write(filename)) { 901 fprintf(stderr, _("\n\n" 902 "Error while writing of the configuration.\n" 903 "Your configuration changes were NOT saved." 904 "\n\n")); 905 return 1; 906 } 907 /* fall through */ 908 case -1: 909 printf(_("\n\n" 910 "*** End of the configuration.\n" 911 "*** Execute 'make' to start the build or try 'make help'." 912 "\n\n")); 913 res = 0; 914 break; 915 default: 916 fprintf(stderr, _("\n\n" 917 "Your configuration changes were NOT saved." 918 "\n\n")); 919 if (res != KEY_ESC) 920 res = 0; 921 } 922 923 return res; 924 } 925 926 static void sig_handler(int signo) 927 { 928 exit(handle_exit()); 929 } 930 931 int main(int ac, char **av) 932 { 933 char *mode; 934 int res; 935 936 setlocale(LC_ALL, ""); 937 bindtextdomain(PACKAGE, LOCALEDIR); 938 textdomain(PACKAGE); 939 940 signal(SIGINT, sig_handler); 941 942 conf_parse(av[1]); 943 conf_read(NULL); 944 945 mode = getenv("MENUCONFIG_MODE"); 946 if (mode) { 947 if (!strcasecmp(mode, "single_menu")) 948 single_menu_mode = 1; 949 } 950 951 if (init_dialog(NULL)) { 952 fprintf(stderr, N_("Your display is too small to run Menuconfig!\n")); 953 fprintf(stderr, N_("It must be at least 19 lines by 80 columns.\n")); 954 return 1; 955 } 956 957 set_config_filename(conf_get_configname()); 958 conf_set_message_callback(conf_message_callback); 959 do { 960 conf(&rootmenu, NULL); 961 res = handle_exit(); 962 } while (res == KEY_ESC); 963 964 return res; 965 } 966 967