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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
25static 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 <SPACE BAR> and <B> for those\n"
109" who are familiar with less and lynx.\n"
110"\n"
111"o Press <E>, <X>, <Enter> or <Esc><Esc> to exit.\n"
112"\n"
113"\n"
114"Alternate Configuration Files\n"
115"-----------------------------\n"
116"Menuconfig supports the use of alternate configuration files for\n"
117"those who, for various reasons, find it necessary to switch\n"
118"between different 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"),
177menu_instructions[] = N_(
178 "Arrow keys navigate the menu. "
179 "<Enter> selects submenus --->. "
180 "Highlighted letters are hotkeys. "
181 "Pressing <Y> includes, <N> excludes, <M> modularizes features. "
182 "Press <Esc><Esc> to exit, <?> for Help, </> for Search. "
183 "Legend: [*] built-in [ ] excluded <M> module < > module capable"),
184radiolist_instructions[] = N_(
185 "Use the arrow keys to navigate this window or "
186 "press the hotkey of the item you wish to select "
187 "followed by the <SPACE BAR>. "
188 "Press <?> for additional information about this option."),
189inputbox_instructions_int[] = N_(
190 "Please enter a decimal value. "
191 "Fractions will not be accepted. "
192 "Use the <TAB> key to move from the input field to the buttons below it."),
193inputbox_instructions_hex[] = N_(
194 "Please enter a hexadecimal value. "
195 "Use the <TAB> key to move from the input field to the buttons below it."),
196inputbox_instructions_string[] = N_(
197 "Please enter a string value. "
198 "Use the <TAB> key to move from the input field to the buttons below it."),
199setmod_text[] = N_(
200 "This feature depends on another which has been configured as a module.\n"
201 "As a result, this feature will be built as a module."),
202load_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."),
206load_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"),
217save_config_text[] = N_(
218 "Enter a filename to which this configuration should be saved "
219 "as an alternate. Leave blank to abort."),
220save_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"),
231search_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 "Prompt: Foo bus is used to drive the bar HW\n"
240 "Defined at drivers/pci/Kconfig:47\n"
241 "Depends on: X86_LOCAL_APIC && X86_IO_APIC || IA64\n"
242 "Location:\n"
243 " -> Bus options (PCI, PCMCIA, EISA, ISA)\n"
244 " -> PCI support (PCI [=y])\n"
245 " -> PCI access mode (<choice> [=y])\n"
246 "Selects: LIBCRC32\n"
247 "Selected by: BAR\n"
248 "-----------------------------------------------------------------\n"
249 "o The line 'Prompt:' shows the text used in the menu structure for\n"
250 " this symbol\n"
251 "o The 'Defined at' line tell at what file / line number the symbol\n"
252 " is defined\n"
253 "o The 'Depends on:' line tell what symbols needs to be defined for\n"
254 " this symbol to be visible in the menu (selectable)\n"
255 "o The 'Location:' lines tell where in the menu structure this symbol\n"
256 " is located\n"
257 " A location followed by a [=y] indicate that this is a selectable\n"
258 " menu item - and current value is displayed inside brackets.\n"
259 "o The 'Selects:' line tell what symbol will be automatically\n"
260 " selected if this symbol is selected (y or m)\n"
261 "o The 'Selected by' line tell what symbol has selected this symbol\n"
262 "\n"
263 "Only relevant lines are shown.\n"
264 "\n\n"
265 "Search examples:\n"
266 "Examples: USB => find all symbols containing USB\n"
267 " ^USB => find all symbols starting with USB\n"
268 " USB$ => find all symbols ending with USB\n"
269 "\n");
270
271static int indent;
272static struct menu *current_menu;
273static int child_count;
274static int single_menu_mode;
275static int show_all_options;
276static int saved_x, saved_y;
277
278static void conf(struct menu *menu);
279static void conf_choice(struct menu *menu);
280static void conf_string(struct menu *menu);
281static void conf_load(void);
282static void conf_save(void);
283static void show_textbox(const char *title, const char *text, int r, int c);
284static void show_helptext(const char *title, const char *text);
285static void show_help(struct menu *menu);
286
287static char filename[PATH_MAX+1];
288static void set_config_filename(const char *config_filename)
289{
290 static char menu_backtitle[PATH_MAX+128];
291 int size;
292
293 size = snprintf(menu_backtitle, sizeof(menu_backtitle),
294 "%s - %s", config_filename, rootmenu.prompt->text);
295 if (size >= sizeof(menu_backtitle))
296 menu_backtitle[sizeof(menu_backtitle)-1] = '\0';
297 set_dialog_backtitle(menu_backtitle);
298
299 size = snprintf(filename, sizeof(filename), "%s", config_filename);
300 if (size >= sizeof(filename))
301 filename[sizeof(filename)-1] = '\0';
302}
303
304
305static void search_conf(void)
306{
307 struct symbol **sym_arr;
308 struct gstr res;
309 char *dialog_input;
310 int dres;
311again:
312 dialog_clear();
313 dres = dialog_inputbox(_("Search Configuration Parameter"),
314 _("Enter " CONFIG_ " (sub)string to search for "
315 "(with or without \"" CONFIG_ "\")"),
316 10, 75, "");
317 switch (dres) {
318 case 0:
319 break;
320 case 1:
321 show_helptext(_("Search Configuration"), search_help);
322 goto again;
323 default:
324 return;
325 }
326
327 /* strip the prefix if necessary */
328 dialog_input = dialog_input_result;
329 if (strncasecmp(dialog_input_result, CONFIG_, strlen(CONFIG_)) == 0)
330 dialog_input += strlen(CONFIG_);
331
332 sym_arr = sym_re_search(dialog_input);
333 res = get_relations_str(sym_arr);
334 free(sym_arr);
335 show_textbox(_("Search Results"), str_get(&res), 0, 0);
336 str_free(&res);
337}
338
339static void build_conf(struct menu *menu)
340{
341 struct symbol *sym;
342 struct property *prop;
343 struct menu *child;
344 int type, tmp, doint = 2;
345 tristate val;
346 char ch;
347 bool visible;
348
349 /*
350 * note: menu_is_visible() has side effect that it will
351 * recalc the value of the symbol.
352 */
353 visible = menu_is_visible(menu);
354 if (show_all_options && !menu_has_prompt(menu))
355 return;
356 else if (!show_all_options && !visible)
357 return;
358
359 sym = menu->sym;
360 prop = menu->prompt;
361 if (!sym) {
362 if (prop && menu != current_menu) {
363 const char *prompt = menu_get_prompt(menu);
364 switch (prop->type) {
365 case P_MENU:
366 child_count++;
367 prompt = _(prompt);
368 if (single_menu_mode) {
369 item_make("%s%*c%s",
370 menu->data ? "-->" : "++>",
371 indent + 1, ' ', prompt);
372 } else
373 item_make(" %*c%s --->", indent + 1, ' ', prompt);
374
375 item_set_tag('m');
376 item_set_data(menu);
377 if (single_menu_mode && menu->data)
378 goto conf_childs;
379 return;
380 case P_COMMENT:
381 if (prompt) {
382 child_count++;
383 item_make(" %*c*** %s ***", indent + 1, ' ', _(prompt));
384 item_set_tag(':');
385 item_set_data(menu);
386 }
387 break;
388 default:
389 if (prompt) {
390 child_count++;
391 item_make("---%*c%s", indent + 1, ' ', _(prompt));
392 item_set_tag(':');
393 item_set_data(menu);
394 }
395 }
396 } else
397 doint = 0;
398 goto conf_childs;
399 }
400
401 type = sym_get_type(sym);
402 if (sym_is_choice(sym)) {
403 struct symbol *def_sym = sym_get_choice_value(sym);
404 struct menu *def_menu = NULL;
405
406 child_count++;
407 for (child = menu->list; child; child = child->next) {
408 if (menu_is_visible(child) && child->sym == def_sym)
409 def_menu = child;
410 }
411
412 val = sym_get_tristate_value(sym);
413 if (sym_is_changable(sym)) {
414 switch (type) {
415 case S_BOOLEAN:
416 item_make("[%c]", val == no ? ' ' : '*');
417 break;
418 case S_TRISTATE:
419 switch (val) {
420 case yes: ch = '*'; break;
421 case mod: ch = 'M'; break;
422 default: ch = ' '; break;
423 }
424 item_make("<%c>", ch);
425 break;
426 }
427 item_set_tag('t');
428 item_set_data(menu);
429 } else {
430 item_make(" ");
431 item_set_tag(def_menu ? 't' : ':');
432 item_set_data(menu);
433 }
434
435 item_add_str("%*c%s", indent + 1, ' ', _(menu_get_prompt(menu)));
436 if (val == yes) {
437 if (def_menu) {
438 item_add_str(" (%s)", _(menu_get_prompt(def_menu)));
439 item_add_str(" --->");
440 if (def_menu->list) {
441 indent += 2;
442 build_conf(def_menu);
443 indent -= 2;
444 }
445 }
446 return;
447 }
448 } else {
449 if (menu == current_menu) {
450 item_make("---%*c%s", indent + 1, ' ', _(menu_get_prompt(menu)));
451 item_set_tag(':');
452 item_set_data(menu);
453 goto conf_childs;
454 }
455 child_count++;
456 val = sym_get_tristate_value(sym);
457 if (sym_is_choice_value(sym) && val == yes) {
458 item_make(" ");
459 item_set_tag(':');
460 item_set_data(menu);
461 } else {
462 switch (type) {
463 case S_BOOLEAN:
464 if (sym_is_changable(sym))
465 item_make("[%c]", val == no ? ' ' : '*');
466 else
467 item_make("-%c-", val == no ? ' ' : '*');
468 item_set_tag('t');
469 item_set_data(menu);
470 break;
471 case S_TRISTATE:
472 switch (val) {
473 case yes: ch = '*'; break;
474 case mod: ch = 'M'; break;
475 default: ch = ' '; break;
476 }
477 if (sym_is_changable(sym)) {
478 if (sym->rev_dep.tri == mod)
479 item_make("{%c}", ch);
480 else
481 item_make("<%c>", ch);
482 } else
483 item_make("-%c-", ch);
484 item_set_tag('t');
485 item_set_data(menu);
486 break;
487 default:
488 tmp = 2 + strlen(sym_get_string_value(sym)); /* () = 2 */
489 item_make("(%s)", sym_get_string_value(sym));
490 tmp = indent - tmp + 4;
491 if (tmp < 0)
492 tmp = 0;
493 item_add_str("%*c%s%s", tmp, ' ', _(menu_get_prompt(menu)),
494 (sym_has_value(sym) || !sym_is_changable(sym)) ?
495 "" : _(" (NEW)"));
496 item_set_tag('s');
497 item_set_data(menu);
498 goto conf_childs;
499 }
500 }
501 item_add_str("%*c%s%s", indent + 1, ' ', _(menu_get_prompt(menu)),
502 (sym_has_value(sym) || !sym_is_changable(sym)) ?
503 "" : _(" (NEW)"));
504 if (menu->prompt->type == P_MENU) {
505 item_add_str(" --->");
506 return;
507 }
508 }
509
510conf_childs:
511 indent += doint;
512 for (child = menu->list; child; child = child->next)
513 build_conf(child);
514 indent -= doint;
515}
516
517static void conf(struct menu *menu)
518{
519 struct menu *submenu;
520 const char *prompt = menu_get_prompt(menu);
521 struct symbol *sym;
522 struct menu *active_menu = NULL;
523 int res;
524 int s_scroll = 0;
525
526 while (1) {
527 item_reset();
528 current_menu = menu;
529 build_conf(menu);
530 if (!child_count)
531 break;
532 if (menu == &rootmenu) {
533 item_make("--- ");
534 item_set_tag(':');
535 item_make(_(" Load an Alternate Configuration File"));
536 item_set_tag('L');
537 item_make(_(" Save an Alternate Configuration File"));
538 item_set_tag('S');
539 }
540 dialog_clear();
541 res = dialog_menu(prompt ? _(prompt) : _("Main Menu"),
542 _(menu_instructions),
543 active_menu, &s_scroll);
544 if (res == 1 || res == KEY_ESC || res == -ERRDISPLAYTOOSMALL)
545 break;
546 if (!item_activate_selected())
547 continue;
548 if (!item_tag())
549 continue;
550
551 submenu = item_data();
552 active_menu = item_data();
553 if (submenu)
554 sym = submenu->sym;
555 else
556 sym = NULL;
557
558 switch (res) {
559 case 0:
560 switch (item_tag()) {
561 case 'm':
562 if (single_menu_mode)
563 submenu->data = (void *) (long) !submenu->data;
564 else
565 conf(submenu);
566 break;
567 case 't':
568 if (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)
569 conf_choice(submenu);
570 else if (submenu->prompt->type == P_MENU)
571 conf(submenu);
572 break;
573 case 's':
574 conf_string(submenu);
575 break;
576 case 'L':
577 conf_load();
578 break;
579 case 'S':
580 conf_save();
581 break;
582 }
583 break;
584 case 2:
585 if (sym)
586 show_help(submenu);
587 else
588 show_helptext(_("README"), _(mconf_readme));
589 break;
590 case 3:
591 if (item_is_tag('t')) {
592 if (sym_set_tristate_value(sym, yes))
593 break;
594 if (sym_set_tristate_value(sym, mod))
595 show_textbox(NULL, setmod_text, 6, 74);
596 }
597 break;
598 case 4:
599 if (item_is_tag('t'))
600 sym_set_tristate_value(sym, no);
601 break;
602 case 5:
603 if (item_is_tag('t'))
604 sym_set_tristate_value(sym, mod);
605 break;
606 case 6:
607 if (item_is_tag('t'))
608 sym_toggle_tristate_value(sym);
609 else if (item_is_tag('m'))
610 conf(submenu);
611 break;
612 case 7:
613 search_conf();
614 break;
615 case 8:
616 show_all_options = !show_all_options;
617 break;
618 }
619 }
620}
621
622static void show_textbox(const char *title, const char *text, int r, int c)
623{
624 dialog_clear();
625 dialog_textbox(title, text, r, c);
626}
627
628static void show_helptext(const char *title, const char *text)
629{
630 show_textbox(title, text, 0, 0);
631}
632
633static void show_help(struct menu *menu)
634{
635 struct gstr help = str_new();
636
637 help.max_width = getmaxx(stdscr) - 10;
638 menu_get_ext_help(menu, &help);
639
640 show_helptext(_(menu_get_prompt(menu)), str_get(&help));
641 str_free(&help);
642}
643
644static void conf_choice(struct menu *menu)
645{
646 const char *prompt = _(menu_get_prompt(menu));
647 struct menu *child;
648 struct symbol *active;
649
650 active = sym_get_choice_value(menu->sym);
651 while (1) {
652 int res;
653 int selected;
654 item_reset();
655
656 current_menu = menu;
657 for (child = menu->list; child; child = child->next) {
658 if (!menu_is_visible(child))
659 continue;
660 if (child->sym)
661 item_make("%s", _(menu_get_prompt(child)));
662 else {
663 item_make("*** %s ***", _(menu_get_prompt(child)));
664 item_set_tag(':');
665 }
666 item_set_data(child);
667 if (child->sym == active)
668 item_set_selected(1);
669 if (child->sym == sym_get_choice_value(menu->sym))
670 item_set_tag('X');
671 }
672 dialog_clear();
673 res = dialog_checklist(prompt ? _(prompt) : _("Main Menu"),
674 _(radiolist_instructions),
675 15, 70, 6);
676 selected = item_activate_selected();
677 switch (res) {
678 case 0:
679 if (selected) {
680 child = item_data();
681 if (!child->sym)
682 break;
683
684 sym_set_tristate_value(child->sym, yes);
685 }
686 return;
687 case 1:
688 if (selected) {
689 child = item_data();
690 show_help(child);
691 active = child->sym;
692 } else
693 show_help(menu);
694 break;
695 case KEY_ESC:
696 return;
697 case -ERRDISPLAYTOOSMALL:
698 return;
699 }
700 }
701}
702
703static void conf_string(struct menu *menu)
704{
705 const char *prompt = menu_get_prompt(menu);
706
707 while (1) {
708 int res;
709 const char *heading;
710
711 switch (sym_get_type(menu->sym)) {
712 case S_INT:
713 heading = _(inputbox_instructions_int);
714 break;
715 case S_HEX:
716 heading = _(inputbox_instructions_hex);
717 break;
718 case S_STRING:
719 heading = _(inputbox_instructions_string);
720 break;
721 default:
722 heading = _("Internal mconf error!");
723 }
724 dialog_clear();
725 res = dialog_inputbox(prompt ? _(prompt) : _("Main Menu"),
726 heading, 10, 75,
727 sym_get_string_value(menu->sym));
728 switch (res) {
729 case 0:
730 if (sym_set_string_value(menu->sym, dialog_input_result))
731 return;
732 show_textbox(NULL, _("You have made an invalid entry."), 5, 43);
733 break;
734 case 1:
735 show_help(menu);
736 break;
737 case KEY_ESC:
738 return;
739 }
740 }
741}
742
743static void conf_load(void)
744{
745
746 while (1) {
747 int res;
748 dialog_clear();
749 res = dialog_inputbox(NULL, load_config_text,
750 11, 55, filename);
751 switch(res) {
752 case 0:
753 if (!dialog_input_result[0])
754 return;
755 if (!conf_read(dialog_input_result)) {
756 set_config_filename(dialog_input_result);
757 sym_set_change_count(1);
758 return;
759 }
760 show_textbox(NULL, _("File does not exist!"), 5, 38);
761 break;
762 case 1:
763 show_helptext(_("Load Alternate Configuration"), load_config_help);
764 break;
765 case KEY_ESC:
766 return;
767 }
768 }
769}
770
771static void conf_save(void)
772{
773 while (1) {
774 int res;
775 dialog_clear();
776 res = dialog_inputbox(NULL, save_config_text,
777 11, 55, filename);
778 switch(res) {
779 case 0:
780 if (!dialog_input_result[0])
781 return;
782 if (!conf_write(dialog_input_result)) {
783 set_config_filename(dialog_input_result);
784 return;
785 }
786 show_textbox(NULL, _("Can't create file! Probably a nonexistent directory."), 5, 60);
787 break;
788 case 1:
789 show_helptext(_("Save Alternate Configuration"), save_config_help);
790 break;
791 case KEY_ESC:
792 return;
793 }
794 }
795}
796
797static int handle_exit(void)
798{
799 int res;
800
801 dialog_clear();
802 if (conf_get_changed())
803 res = dialog_yesno(NULL,
804 _("Do you wish to save your new configuration ?\n"
805 "<ESC><ESC> to continue."),
806 6, 60);
807 else
808 res = -1;
809
810 end_dialog(saved_x, saved_y);
811
812 switch (res) {
813 case 0:
814 if (conf_write(filename)) {
815 fprintf(stderr, _("\n\n"
816 "Error while writing of the configuration.\n"
817 "Your configuration changes were NOT saved."
818 "\n\n"));
819 return 1;
820 }
821 /* fall through */
822 case -1:
823 printf(_("\n\n"
824 "*** End of the configuration.\n"
825 "*** Execute 'make' to start the build or try 'make help'."
826 "\n\n"));
827 res = 0;
828 break;
829 default:
830 fprintf(stderr, _("\n\n"
831 "Your configuration changes were NOT saved."
832 "\n\n"));
833 if (res != KEY_ESC)
834 res = 0;
835 }
836
837 return res;
838}
839
840static void sig_handler(int signo)
841{
842 exit(handle_exit());
843}
844
845int main(int ac, char **av)
846{
847 char *mode;
848 int res;
849
850 setlocale(LC_ALL, "");
851 bindtextdomain(PACKAGE, LOCALEDIR);
852 textdomain(PACKAGE);
853
854 signal(SIGINT, sig_handler);
855
856 conf_parse(av[1]);
857 conf_read(NULL);
858
859 mode = getenv("MENUCONFIG_MODE");
860 if (mode) {
861 if (!strcasecmp(mode, "single_menu"))
862 single_menu_mode = 1;
863 }
864
865 initscr();
866
867 getyx(stdscr, saved_y, saved_x);
868 if (init_dialog(NULL)) {
869 fprintf(stderr, N_("Your display is too small to run Menuconfig!\n"));
870 fprintf(stderr, N_("It must be at least 19 lines by 80 columns.\n"));
871 return 1;
872 }
873
874 set_config_filename(conf_get_configname());
875 do {
876 conf(&rootmenu);
877 res = handle_exit();
878 } while (res == KEY_ESC);
879
880 return res;
881}
882
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
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 <strings.h>
19#include <signal.h>
20#include <unistd.h>
21
22#include "lkc.h"
23#include "lxdialog/dialog.h"
24#include "mnconf-common.h"
25
26static const char mconf_readme[] =
27"Overview\n"
28"--------\n"
29"This interface lets you select features and parameters for the build.\n"
30"Features can either be built-in, modularized, or ignored. Parameters\n"
31"must be entered in as decimal or hexadecimal numbers or text.\n"
32"\n"
33"Menu items beginning with following braces represent features that\n"
34" [ ] can be built in or removed\n"
35" < > can be built in, modularized or removed\n"
36" { } can be built in or modularized (selected by other feature)\n"
37" - - are selected by other feature,\n"
38"while *, M or whitespace inside braces means to build in, build as\n"
39"a module or to exclude the feature respectively.\n"
40"\n"
41"To change any of these features, highlight it with the cursor\n"
42"keys and press <Y> to build it in, <M> to make it a module or\n"
43"<N> to remove it. You may also press the <Space Bar> to cycle\n"
44"through the available options (i.e. Y->N->M->Y).\n"
45"\n"
46"Some additional keyboard hints:\n"
47"\n"
48"Menus\n"
49"----------\n"
50"o Use the Up/Down arrow keys (cursor keys) to highlight the item you\n"
51" wish to change or the submenu you wish to select and press <Enter>.\n"
52" Submenus are designated by \"--->\", empty ones by \"----\".\n"
53"\n"
54" Shortcut: Press the option's highlighted letter (hotkey).\n"
55" Pressing a hotkey more than once will sequence\n"
56" through all visible items which use that hotkey.\n"
57"\n"
58" You may also use the <PAGE UP> and <PAGE DOWN> keys to scroll\n"
59" unseen options into view.\n"
60"\n"
61"o To exit a menu use the cursor keys to highlight the <Exit> button\n"
62" and press <ENTER>.\n"
63"\n"
64" Shortcut: Press <ESC><ESC> or <E> or <X> if there is no hotkey\n"
65" using those letters. You may press a single <ESC>, but\n"
66" there is a delayed response which you may find annoying.\n"
67"\n"
68" Also, the <TAB> and cursor keys will cycle between <Select>,\n"
69" <Exit>, <Help>, <Save>, and <Load>.\n"
70"\n"
71"o To get help with an item, use the cursor keys to highlight <Help>\n"
72" and press <ENTER>.\n"
73"\n"
74" Shortcut: Press <H> or <?>.\n"
75"\n"
76"o To toggle the display of hidden options, press <Z>.\n"
77"\n"
78"\n"
79"Radiolists (Choice lists)\n"
80"-----------\n"
81"o Use the cursor keys to select the option you wish to set and press\n"
82" <S> or the <SPACE BAR>.\n"
83"\n"
84" Shortcut: Press the first letter of the option you wish to set then\n"
85" press <S> or <SPACE BAR>.\n"
86"\n"
87"o To see available help for the item, use the cursor keys to highlight\n"
88" <Help> and Press <ENTER>.\n"
89"\n"
90" Shortcut: Press <H> or <?>.\n"
91"\n"
92" Also, the <TAB> and cursor keys will cycle between <Select> and\n"
93" <Help>\n"
94"\n"
95"\n"
96"Data Entry\n"
97"-----------\n"
98"o Enter the requested information and press <ENTER>\n"
99" If you are entering hexadecimal values, it is not necessary to\n"
100" add the '0x' prefix to the entry.\n"
101"\n"
102"o For help, use the <TAB> or cursor keys to highlight the help option\n"
103" and press <ENTER>. You can try <TAB><H> as well.\n"
104"\n"
105"\n"
106"Text Box (Help Window)\n"
107"--------\n"
108"o Use the cursor keys to scroll up/down/left/right. The VI editor\n"
109" keys h,j,k,l function here as do <u>, <d>, <SPACE BAR> and <B> for\n"
110" those who are familiar with less and lynx.\n"
111"\n"
112"o Press <E>, <X>, <q>, <Enter> or <Esc><Esc> to exit.\n"
113"\n"
114"\n"
115"Alternate Configuration Files\n"
116"-----------------------------\n"
117"Menuconfig supports the use of alternate configuration files for\n"
118"those who, for various reasons, find it necessary to switch\n"
119"between different configurations.\n"
120"\n"
121"The <Save> button will let you save the current configuration to\n"
122"a file of your choosing. Use the <Load> button to load a previously\n"
123"saved alternate configuration.\n"
124"\n"
125"Even if you don't use alternate configuration files, but you find\n"
126"during a Menuconfig session that you have completely messed up your\n"
127"settings, you may use the <Load> button to restore your previously\n"
128"saved settings from \".config\" without restarting Menuconfig.\n"
129"\n"
130"Other information\n"
131"-----------------\n"
132"If you use Menuconfig in an XTERM window, make sure you have your\n"
133"$TERM variable set to point to an xterm definition which supports\n"
134"color. Otherwise, Menuconfig will look rather bad. Menuconfig will\n"
135"not display correctly in an RXVT window because rxvt displays only one\n"
136"intensity of color, bright.\n"
137"\n"
138"Menuconfig will display larger menus on screens or xterms which are\n"
139"set to display more than the standard 25 row by 80 column geometry.\n"
140"In order for this to work, the \"stty size\" command must be able to\n"
141"display the screen's current row and column geometry. I STRONGLY\n"
142"RECOMMEND that you make sure you do NOT have the shell variables\n"
143"LINES and COLUMNS exported into your environment. Some distributions\n"
144"export those variables via /etc/profile. Some ncurses programs can\n"
145"become confused when those variables (LINES & COLUMNS) don't reflect\n"
146"the true screen size.\n"
147"\n"
148"Optional personality available\n"
149"------------------------------\n"
150"If you prefer to have all of the options listed in a single menu,\n"
151"rather than the default multimenu hierarchy, run the menuconfig with\n"
152"MENUCONFIG_MODE environment variable set to single_menu. Example:\n"
153"\n"
154"make MENUCONFIG_MODE=single_menu menuconfig\n"
155"\n"
156"<Enter> will then unroll the appropriate category, or enfold it if it\n"
157"is already unrolled.\n"
158"\n"
159"Note that this mode can eventually be a little more CPU expensive\n"
160"(especially with a larger number of unrolled categories) than the\n"
161"default mode.\n"
162"\n"
163
164"Search\n"
165"-------\n"
166"Pressing the forward-slash (/) anywhere brings up a search dialog box.\n"
167"\n"
168
169"Different color themes available\n"
170"--------------------------------\n"
171"It is possible to select different color themes using the variable\n"
172"MENUCONFIG_COLOR. To select a theme use:\n"
173"\n"
174"make MENUCONFIG_COLOR=<theme> menuconfig\n"
175"\n"
176"Available themes are\n"
177" mono => selects colors suitable for monochrome displays\n"
178" blackbg => selects a color scheme with black background\n"
179" classic => theme with blue background. The classic look\n"
180" bluetitle => an LCD friendly version of classic. (default)\n"
181"\n",
182menu_instructions[] =
183 "Arrow keys navigate the menu. "
184 "<Enter> selects submenus ---> (or empty submenus ----). "
185 "Highlighted letters are hotkeys. "
186 "Pressing <Y> includes, <N> excludes, <M> modularizes features. "
187 "Press <Esc><Esc> to exit, <?> for Help, </> for Search. "
188 "Legend: [*] built-in [ ] excluded <M> module < > module capable",
189radiolist_instructions[] =
190 "Use the arrow keys to navigate this window or "
191 "press the hotkey of the item you wish to select "
192 "followed by the <SPACE BAR>. "
193 "Press <?> for additional information about this option.",
194inputbox_instructions_int[] =
195 "Please enter a decimal value. "
196 "Fractions will not be accepted. "
197 "Use the <TAB> key to move from the input field to the buttons below it.",
198inputbox_instructions_hex[] =
199 "Please enter a hexadecimal value. "
200 "Use the <TAB> key to move from the input field to the buttons below it.",
201inputbox_instructions_string[] =
202 "Please enter a string value. "
203 "Use the <TAB> key to move from the input field to the buttons below it.",
204setmod_text[] =
205 "This feature depends on another which has been configured as a module.\n"
206 "As a result, this feature will be built as a module.",
207load_config_text[] =
208 "Enter the name of the configuration file you wish to load. "
209 "Accept the name shown to restore the configuration you "
210 "last retrieved. Leave blank to abort.",
211load_config_help[] =
212 "\n"
213 "For various reasons, one may wish to keep several different\n"
214 "configurations available on a single machine.\n"
215 "\n"
216 "If you have saved a previous configuration in a file other than the\n"
217 "default one, entering its name here will allow you to modify that\n"
218 "configuration.\n"
219 "\n"
220 "If you are uncertain, then you have probably never used alternate\n"
221 "configuration files. You should therefore leave this blank to abort.\n",
222save_config_text[] =
223 "Enter a filename to which this configuration should be saved "
224 "as an alternate. Leave blank to abort.",
225save_config_help[] =
226 "\n"
227 "For various reasons, one may wish to keep different configurations\n"
228 "available on a single machine.\n"
229 "\n"
230 "Entering a file name here will allow you to later retrieve, modify\n"
231 "and use the current configuration as an alternate to whatever\n"
232 "configuration options you have selected at that time.\n"
233 "\n"
234 "If you are uncertain what all this means then you should probably\n"
235 "leave this blank.\n",
236search_help[] =
237 "\n"
238 "Search for symbols and display their relations.\n"
239 "Regular expressions are allowed.\n"
240 "Example: search for \"^FOO\"\n"
241 "Result:\n"
242 "-----------------------------------------------------------------\n"
243 "Symbol: FOO [=m]\n"
244 "Type : tristate\n"
245 "Prompt: Foo bus is used to drive the bar HW\n"
246 " Location:\n"
247 " -> Bus options (PCI, PCMCIA, EISA, ISA)\n"
248 " -> PCI support (PCI [=y])\n"
249 "(1) -> PCI access mode (<choice> [=y])\n"
250 " Defined at drivers/pci/Kconfig:47\n"
251 " Depends on: X86_LOCAL_APIC && X86_IO_APIC\n"
252 " Selects: LIBCRC32\n"
253 " Selected by: BAR [=n]\n"
254 "-----------------------------------------------------------------\n"
255 "o The line 'Type:' shows the type of the configuration option for\n"
256 " this symbol (bool, tristate, string, ...)\n"
257 "o The line 'Prompt:' shows the text used in the menu structure for\n"
258 " this symbol\n"
259 "o The 'Defined at' line tells at what file / line number the symbol\n"
260 " is defined\n"
261 "o The 'Depends on:' line tells what symbols need to be defined for\n"
262 " this symbol to be visible in the menu (selectable)\n"
263 "o The 'Location:' lines tells where in the menu structure this symbol\n"
264 " is located\n"
265 " A location followed by a [=y] indicates that this is a\n"
266 " selectable menu item - and the current value is displayed inside\n"
267 " brackets.\n"
268 " Press the key in the (#) prefix to jump directly to that\n"
269 " location. You will be returned to the current search results\n"
270 " after exiting this new menu.\n"
271 "o The 'Selects:' line tells what symbols will be automatically\n"
272 " selected if this symbol is selected (y or m)\n"
273 "o The 'Selected by' line tells what symbol has selected this symbol\n"
274 "\n"
275 "Only relevant lines are shown.\n"
276 "\n\n"
277 "Search examples:\n"
278 "Examples: USB => find all symbols containing USB\n"
279 " ^USB => find all symbols starting with USB\n"
280 " USB$ => find all symbols ending with USB\n"
281 "\n";
282
283static int indent;
284static struct menu *current_menu;
285static int child_count;
286static int single_menu_mode;
287static int show_all_options;
288static int save_and_exit;
289static int silent;
290
291static void conf(struct menu *menu, struct menu *active_menu);
292
293static char filename[PATH_MAX+1];
294static void set_config_filename(const char *config_filename)
295{
296 static char menu_backtitle[PATH_MAX+128];
297
298 snprintf(menu_backtitle, sizeof(menu_backtitle), "%s - %s",
299 config_filename, rootmenu.prompt->text);
300 set_dialog_backtitle(menu_backtitle);
301
302 snprintf(filename, sizeof(filename), "%s", config_filename);
303}
304
305struct subtitle_part {
306 struct list_head entries;
307 const char *text;
308};
309static LIST_HEAD(trail);
310
311static struct subtitle_list *subtitles;
312static void set_subtitle(void)
313{
314 struct subtitle_part *sp;
315 struct subtitle_list *pos, *tmp;
316
317 for (pos = subtitles; pos != NULL; pos = tmp) {
318 tmp = pos->next;
319 free(pos);
320 }
321
322 subtitles = NULL;
323 list_for_each_entry(sp, &trail, entries) {
324 if (sp->text) {
325 if (pos) {
326 pos->next = xcalloc(1, sizeof(*pos));
327 pos = pos->next;
328 } else {
329 subtitles = pos = xcalloc(1, sizeof(*pos));
330 }
331 pos->text = sp->text;
332 }
333 }
334
335 set_dialog_subtitles(subtitles);
336}
337
338static void reset_subtitle(void)
339{
340 struct subtitle_list *pos, *tmp;
341
342 for (pos = subtitles; pos != NULL; pos = tmp) {
343 tmp = pos->next;
344 free(pos);
345 }
346 subtitles = NULL;
347 set_dialog_subtitles(subtitles);
348}
349
350static int show_textbox_ext(const char *title, const char *text, int r, int c,
351 int *vscroll, int *hscroll,
352 int (*extra_key_cb)(int, size_t, size_t, void *),
353 void *data)
354{
355 dialog_clear();
356 return dialog_textbox(title, text, r, c, vscroll, hscroll,
357 extra_key_cb, data);
358}
359
360static void show_textbox(const char *title, const char *text, int r, int c)
361{
362 show_textbox_ext(title, text, r, c, NULL, NULL, NULL, NULL);
363}
364
365static void show_helptext(const char *title, const char *text)
366{
367 show_textbox(title, text, 0, 0);
368}
369
370static void show_help(struct menu *menu)
371{
372 struct gstr help = str_new();
373
374 help.max_width = getmaxx(stdscr) - 10;
375 menu_get_ext_help(menu, &help);
376
377 show_helptext(menu_get_prompt(menu), str_get(&help));
378 str_free(&help);
379}
380
381static void search_conf(void)
382{
383 struct symbol **sym_arr;
384 struct gstr res;
385 struct gstr title;
386 char *dialog_input;
387 int dres, vscroll = 0, hscroll = 0;
388 bool again;
389 struct gstr sttext;
390 struct subtitle_part stpart;
391
392 title = str_new();
393 str_printf( &title, "Enter (sub)string or regexp to search for "
394 "(with or without \"%s\")", CONFIG_);
395
396again:
397 dialog_clear();
398 dres = dialog_inputbox("Search Configuration Parameter",
399 str_get(&title),
400 10, 75, "");
401 switch (dres) {
402 case 0:
403 break;
404 case 1:
405 show_helptext("Search Configuration", search_help);
406 goto again;
407 default:
408 str_free(&title);
409 return;
410 }
411
412 /* strip the prefix if necessary */
413 dialog_input = dialog_input_result;
414 if (strncasecmp(dialog_input_result, CONFIG_, strlen(CONFIG_)) == 0)
415 dialog_input += strlen(CONFIG_);
416
417 sttext = str_new();
418 str_printf(&sttext, "Search (%s)", dialog_input_result);
419 stpart.text = str_get(&sttext);
420 list_add_tail(&stpart.entries, &trail);
421
422 sym_arr = sym_re_search(dialog_input);
423 do {
424 LIST_HEAD(head);
425 struct search_data data = {
426 .head = &head,
427 };
428 struct jump_key *pos, *tmp;
429
430 jump_key_char = 0;
431 res = get_relations_str(sym_arr, &head);
432 set_subtitle();
433 dres = show_textbox_ext("Search Results", str_get(&res), 0, 0,
434 &vscroll, &hscroll,
435 handle_search_keys, &data);
436 again = false;
437 if (dres >= '1' && dres <= '9') {
438 assert(data.target != NULL);
439 conf(data.target->parent, data.target);
440 again = true;
441 }
442 str_free(&res);
443 list_for_each_entry_safe(pos, tmp, &head, entries)
444 free(pos);
445 } while (again);
446 free(sym_arr);
447 str_free(&title);
448 list_del(trail.prev);
449 str_free(&sttext);
450}
451
452static void build_conf(struct menu *menu)
453{
454 struct symbol *sym;
455 struct property *prop;
456 struct menu *child;
457 int type, tmp, doint = 2;
458 tristate val;
459 char ch;
460 bool visible;
461
462 /*
463 * note: menu_is_visible() has side effect that it will
464 * recalc the value of the symbol.
465 */
466 visible = menu_is_visible(menu);
467 if (show_all_options && !menu_has_prompt(menu))
468 return;
469 else if (!show_all_options && !visible)
470 return;
471
472 sym = menu->sym;
473 prop = menu->prompt;
474 if (!sym) {
475 if (prop && menu != current_menu) {
476 const char *prompt = menu_get_prompt(menu);
477 switch (prop->type) {
478 case P_MENU:
479 child_count++;
480 if (single_menu_mode) {
481 item_make("%s%*c%s",
482 menu->data ? "-->" : "++>",
483 indent + 1, ' ', prompt);
484 } else
485 item_make(" %*c%s %s",
486 indent + 1, ' ', prompt,
487 menu_is_empty(menu) ? "----" : "--->");
488 item_set_tag('m');
489 item_set_data(menu);
490 if (single_menu_mode && menu->data)
491 goto conf_childs;
492 return;
493 case P_COMMENT:
494 if (prompt) {
495 child_count++;
496 item_make(" %*c*** %s ***", indent + 1, ' ', prompt);
497 item_set_tag(':');
498 item_set_data(menu);
499 }
500 break;
501 default:
502 if (prompt) {
503 child_count++;
504 item_make("---%*c%s", indent + 1, ' ', prompt);
505 item_set_tag(':');
506 item_set_data(menu);
507 }
508 }
509 } else
510 doint = 0;
511 goto conf_childs;
512 }
513
514 type = sym_get_type(sym);
515 if (sym_is_choice(sym)) {
516 struct symbol *def_sym = sym_get_choice_value(sym);
517 struct menu *def_menu = NULL;
518
519 child_count++;
520 for (child = menu->list; child; child = child->next) {
521 if (menu_is_visible(child) && child->sym == def_sym)
522 def_menu = child;
523 }
524
525 val = sym_get_tristate_value(sym);
526 if (sym_is_changeable(sym)) {
527 switch (type) {
528 case S_BOOLEAN:
529 item_make("[%c]", val == no ? ' ' : '*');
530 break;
531 case S_TRISTATE:
532 switch (val) {
533 case yes: ch = '*'; break;
534 case mod: ch = 'M'; break;
535 default: ch = ' '; break;
536 }
537 item_make("<%c>", ch);
538 break;
539 }
540 item_set_tag('t');
541 item_set_data(menu);
542 } else {
543 item_make(" ");
544 item_set_tag(def_menu ? 't' : ':');
545 item_set_data(menu);
546 }
547
548 item_add_str("%*c%s", indent + 1, ' ', menu_get_prompt(menu));
549 if (val == yes) {
550 if (def_menu) {
551 item_add_str(" (%s)", menu_get_prompt(def_menu));
552 item_add_str(" --->");
553 if (def_menu->list) {
554 indent += 2;
555 build_conf(def_menu);
556 indent -= 2;
557 }
558 }
559 return;
560 }
561 } else {
562 if (menu == current_menu) {
563 item_make("---%*c%s", indent + 1, ' ', menu_get_prompt(menu));
564 item_set_tag(':');
565 item_set_data(menu);
566 goto conf_childs;
567 }
568 child_count++;
569 val = sym_get_tristate_value(sym);
570 if (sym_is_choice_value(sym) && val == yes) {
571 item_make(" ");
572 item_set_tag(':');
573 item_set_data(menu);
574 } else {
575 switch (type) {
576 case S_BOOLEAN:
577 if (sym_is_changeable(sym))
578 item_make("[%c]", val == no ? ' ' : '*');
579 else
580 item_make("-%c-", val == no ? ' ' : '*');
581 item_set_tag('t');
582 item_set_data(menu);
583 break;
584 case S_TRISTATE:
585 switch (val) {
586 case yes: ch = '*'; break;
587 case mod: ch = 'M'; break;
588 default: ch = ' '; break;
589 }
590 if (sym_is_changeable(sym)) {
591 if (sym->rev_dep.tri == mod)
592 item_make("{%c}", ch);
593 else
594 item_make("<%c>", ch);
595 } else
596 item_make("-%c-", ch);
597 item_set_tag('t');
598 item_set_data(menu);
599 break;
600 default:
601 tmp = 2 + strlen(sym_get_string_value(sym)); /* () = 2 */
602 item_make("(%s)", sym_get_string_value(sym));
603 tmp = indent - tmp + 4;
604 if (tmp < 0)
605 tmp = 0;
606 item_add_str("%*c%s%s", tmp, ' ', menu_get_prompt(menu),
607 (sym_has_value(sym) || !sym_is_changeable(sym)) ?
608 "" : " (NEW)");
609 item_set_tag('s');
610 item_set_data(menu);
611 goto conf_childs;
612 }
613 }
614 item_add_str("%*c%s%s", indent + 1, ' ', menu_get_prompt(menu),
615 (sym_has_value(sym) || !sym_is_changeable(sym)) ?
616 "" : " (NEW)");
617 if (menu->prompt->type == P_MENU) {
618 item_add_str(" %s", menu_is_empty(menu) ? "----" : "--->");
619 return;
620 }
621 }
622
623conf_childs:
624 indent += doint;
625 for (child = menu->list; child; child = child->next)
626 build_conf(child);
627 indent -= doint;
628}
629
630static void conf_choice(struct menu *menu)
631{
632 const char *prompt = menu_get_prompt(menu);
633 struct menu *child;
634 struct symbol *active;
635
636 active = sym_get_choice_value(menu->sym);
637 while (1) {
638 int res;
639 int selected;
640 item_reset();
641
642 current_menu = menu;
643 for (child = menu->list; child; child = child->next) {
644 if (!menu_is_visible(child))
645 continue;
646 if (child->sym)
647 item_make("%s", menu_get_prompt(child));
648 else {
649 item_make("*** %s ***", menu_get_prompt(child));
650 item_set_tag(':');
651 }
652 item_set_data(child);
653 if (child->sym == active)
654 item_set_selected(1);
655 if (child->sym == sym_get_choice_value(menu->sym))
656 item_set_tag('X');
657 }
658 dialog_clear();
659 res = dialog_checklist(prompt ? prompt : "Main Menu",
660 radiolist_instructions,
661 MENUBOX_HEIGTH_MIN,
662 MENUBOX_WIDTH_MIN,
663 CHECKLIST_HEIGTH_MIN);
664 selected = item_activate_selected();
665 switch (res) {
666 case 0:
667 if (selected) {
668 child = item_data();
669 if (!child->sym)
670 break;
671
672 sym_set_tristate_value(child->sym, yes);
673 }
674 return;
675 case 1:
676 if (selected) {
677 child = item_data();
678 show_help(child);
679 active = child->sym;
680 } else
681 show_help(menu);
682 break;
683 case KEY_ESC:
684 return;
685 case -ERRDISPLAYTOOSMALL:
686 return;
687 }
688 }
689}
690
691static void conf_string(struct menu *menu)
692{
693 const char *prompt = menu_get_prompt(menu);
694
695 while (1) {
696 int res;
697 const char *heading;
698
699 switch (sym_get_type(menu->sym)) {
700 case S_INT:
701 heading = inputbox_instructions_int;
702 break;
703 case S_HEX:
704 heading = inputbox_instructions_hex;
705 break;
706 case S_STRING:
707 heading = inputbox_instructions_string;
708 break;
709 default:
710 heading = "Internal mconf error!";
711 }
712 dialog_clear();
713 res = dialog_inputbox(prompt ? prompt : "Main Menu",
714 heading, 10, 75,
715 sym_get_string_value(menu->sym));
716 switch (res) {
717 case 0:
718 if (sym_set_string_value(menu->sym, dialog_input_result))
719 return;
720 show_textbox(NULL, "You have made an invalid entry.", 5, 43);
721 break;
722 case 1:
723 show_help(menu);
724 break;
725 case KEY_ESC:
726 return;
727 }
728 }
729}
730
731static void conf_load(void)
732{
733
734 while (1) {
735 int res;
736 dialog_clear();
737 res = dialog_inputbox(NULL, load_config_text,
738 11, 55, filename);
739 switch(res) {
740 case 0:
741 if (!dialog_input_result[0])
742 return;
743 if (!conf_read(dialog_input_result)) {
744 set_config_filename(dialog_input_result);
745 conf_set_changed(true);
746 return;
747 }
748 show_textbox(NULL, "File does not exist!", 5, 38);
749 break;
750 case 1:
751 show_helptext("Load Alternate Configuration", load_config_help);
752 break;
753 case KEY_ESC:
754 return;
755 }
756 }
757}
758
759static void conf_save(void)
760{
761 while (1) {
762 int res;
763 dialog_clear();
764 res = dialog_inputbox(NULL, save_config_text,
765 11, 55, filename);
766 switch(res) {
767 case 0:
768 if (!dialog_input_result[0])
769 return;
770 if (!conf_write(dialog_input_result)) {
771 set_config_filename(dialog_input_result);
772 return;
773 }
774 show_textbox(NULL, "Can't create file!", 5, 60);
775 break;
776 case 1:
777 show_helptext("Save Alternate Configuration", save_config_help);
778 break;
779 case KEY_ESC:
780 return;
781 }
782 }
783}
784
785static void conf(struct menu *menu, struct menu *active_menu)
786{
787 struct menu *submenu;
788 const char *prompt = menu_get_prompt(menu);
789 struct subtitle_part stpart;
790 struct symbol *sym;
791 int res;
792 int s_scroll = 0;
793
794 if (menu != &rootmenu)
795 stpart.text = menu_get_prompt(menu);
796 else
797 stpart.text = NULL;
798 list_add_tail(&stpart.entries, &trail);
799
800 while (1) {
801 item_reset();
802 current_menu = menu;
803 build_conf(menu);
804 if (!child_count)
805 break;
806 set_subtitle();
807 dialog_clear();
808 res = dialog_menu(prompt ? prompt : "Main Menu",
809 menu_instructions,
810 active_menu, &s_scroll);
811 if (res == 1 || res == KEY_ESC || res == -ERRDISPLAYTOOSMALL)
812 break;
813 if (item_count() != 0) {
814 if (!item_activate_selected())
815 continue;
816 if (!item_tag())
817 continue;
818 }
819 submenu = item_data();
820 active_menu = item_data();
821 if (submenu)
822 sym = submenu->sym;
823 else
824 sym = NULL;
825
826 switch (res) {
827 case 0:
828 switch (item_tag()) {
829 case 'm':
830 if (single_menu_mode)
831 submenu->data = (void *) (long) !submenu->data;
832 else
833 conf(submenu, NULL);
834 break;
835 case 't':
836 if (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)
837 conf_choice(submenu);
838 else if (submenu->prompt->type == P_MENU)
839 conf(submenu, NULL);
840 break;
841 case 's':
842 conf_string(submenu);
843 break;
844 }
845 break;
846 case 2:
847 if (sym)
848 show_help(submenu);
849 else {
850 reset_subtitle();
851 show_helptext("README", mconf_readme);
852 }
853 break;
854 case 3:
855 reset_subtitle();
856 conf_save();
857 break;
858 case 4:
859 reset_subtitle();
860 conf_load();
861 break;
862 case 5:
863 if (item_is_tag('t')) {
864 if (sym_set_tristate_value(sym, yes))
865 break;
866 if (sym_set_tristate_value(sym, mod))
867 show_textbox(NULL, setmod_text, 6, 74);
868 }
869 break;
870 case 6:
871 if (item_is_tag('t'))
872 sym_set_tristate_value(sym, no);
873 break;
874 case 7:
875 if (item_is_tag('t'))
876 sym_set_tristate_value(sym, mod);
877 break;
878 case 8:
879 if (item_is_tag('t'))
880 sym_toggle_tristate_value(sym);
881 else if (item_is_tag('m'))
882 conf(submenu, NULL);
883 break;
884 case 9:
885 search_conf();
886 break;
887 case 10:
888 show_all_options = !show_all_options;
889 break;
890 }
891 }
892
893 list_del(trail.prev);
894}
895
896static void conf_message_callback(const char *s)
897{
898 if (save_and_exit) {
899 if (!silent)
900 printf("%s", s);
901 } else {
902 show_textbox(NULL, s, 6, 60);
903 }
904}
905
906static int handle_exit(void)
907{
908 int res;
909
910 save_and_exit = 1;
911 reset_subtitle();
912 dialog_clear();
913 if (conf_get_changed())
914 res = dialog_yesno(NULL,
915 "Do you wish to save your new configuration?\n"
916 "(Press <ESC><ESC> to continue kernel configuration.)",
917 6, 60);
918 else
919 res = -1;
920
921 end_dialog(saved_x, saved_y);
922
923 switch (res) {
924 case 0:
925 if (conf_write(filename)) {
926 fprintf(stderr, "\n\n"
927 "Error while writing of the configuration.\n"
928 "Your configuration changes were NOT saved."
929 "\n\n");
930 return 1;
931 }
932 conf_write_autoconf(0);
933 /* fall through */
934 case -1:
935 if (!silent)
936 printf("\n\n"
937 "*** End of the configuration.\n"
938 "*** Execute 'make' to start the build or try 'make help'."
939 "\n\n");
940 res = 0;
941 break;
942 default:
943 if (!silent)
944 fprintf(stderr, "\n\n"
945 "Your configuration changes were NOT saved."
946 "\n\n");
947 if (res != KEY_ESC)
948 res = 0;
949 }
950
951 return res;
952}
953
954static void sig_handler(int signo)
955{
956 exit(handle_exit());
957}
958
959int main(int ac, char **av)
960{
961 char *mode;
962 int res;
963
964 signal(SIGINT, sig_handler);
965
966 if (ac > 1 && strcmp(av[1], "-s") == 0) {
967 silent = 1;
968 /* Silence conf_read() until the real callback is set up */
969 conf_set_message_callback(NULL);
970 av++;
971 }
972 conf_parse(av[1]);
973 conf_read(NULL);
974
975 mode = getenv("MENUCONFIG_MODE");
976 if (mode) {
977 if (!strcasecmp(mode, "single_menu"))
978 single_menu_mode = 1;
979 }
980
981 if (init_dialog(NULL)) {
982 fprintf(stderr, "Your display is too small to run Menuconfig!\n");
983 fprintf(stderr, "It must be at least 19 lines by 80 columns.\n");
984 return 1;
985 }
986
987 set_config_filename(conf_get_configname());
988 conf_set_message_callback(conf_message_callback);
989 do {
990 conf(&rootmenu, NULL);
991 res = handle_exit();
992 } while (res == KEY_ESC);
993
994 return res;
995}