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