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1/*
2 * Copyright (C) 2008 Nir Tzachar <nir.tzachar@gmail.com?
3 * Released under the terms of the GNU GPL v2.0.
4 *
5 * Derived from menuconfig.
6 *
7 */
8#define _GNU_SOURCE
9#include <string.h>
10#include <stdlib.h>
11
12#include "lkc.h"
13#include "nconf.h"
14#include <ctype.h>
15
16static const char nconf_global_help[] = N_(
17"Help windows\n"
18"------------\n"
19"o Global help: Unless in a data entry window, pressing <F1> will give \n"
20" you the global help window, which you are just reading.\n"
21"\n"
22"o A short version of the global help is available by pressing <F3>.\n"
23"\n"
24"o Local help: To get help related to the current menu entry, use any\n"
25" of <?> <h>, or if in a data entry window then press <F1>.\n"
26"\n"
27"\n"
28"Menu entries\n"
29"------------\n"
30"This interface lets you select features and parameters for the kernel\n"
31"build. Kernel features can either be built-in, modularized, or removed.\n"
32"Parameters must be entered as text or decimal or hexadecimal numbers.\n"
33"\n"
34"Menu entries beginning with following braces represent features that\n"
35" [ ] can be built in or removed\n"
36" < > can be built in, modularized or removed\n"
37" { } can be built in or modularized, are selected by another feature\n"
38" - - are selected by another feature\n"
39" XXX cannot be selected. Symbol Info <F2> tells you why.\n"
40"*, M or whitespace inside braces means to build in, build as a module\n"
41"or to exclude the feature respectively.\n"
42"\n"
43"To change any of these features, highlight it with the movement keys\n"
44"listed below and press <y> to build it in, <m> to make it a module or\n"
45"<n> to remove it. You may press the <Space> key to cycle through the\n"
46"available options.\n"
47"\n"
48"A trailing \"--->\" designates a submenu, a trailing \"----\" an\n"
49"empty submenu.\n"
50"\n"
51"Menu navigation keys\n"
52"----------------------------------------------------------------------\n"
53"Linewise up <Up>\n"
54"Linewise down <Down>\n"
55"Pagewise up <Page Up>\n"
56"Pagewise down <Page Down>\n"
57"First entry <Home>\n"
58"Last entry <End>\n"
59"Enter a submenu <Right> <Enter>\n"
60"Go back to parent menu <Left> <Esc> <F5>\n"
61"Close a help window <Enter> <Esc> <F5>\n"
62"Close entry window, apply <Enter>\n"
63"Close entry window, forget <Esc> <F5>\n"
64"Start incremental, case-insensitive search for STRING in menu entries,\n"
65" no regex support, STRING is displayed in upper left corner\n"
66" </>STRING\n"
67" Remove last character <Backspace>\n"
68" Jump to next hit <Down>\n"
69" Jump to previous hit <Up>\n"
70"Exit menu search mode </> <Esc>\n"
71"Search for configuration variables with or without leading CONFIG_\n"
72" <F8>RegExpr<Enter>\n"
73"Verbose search help <F8><F1>\n"
74"----------------------------------------------------------------------\n"
75"\n"
76"Unless in a data entry window, key <1> may be used instead of <F1>,\n"
77"<2> instead of <F2>, etc.\n"
78"\n"
79"\n"
80"Radiolist (Choice list)\n"
81"-----------------------\n"
82"Use the movement keys listed above to select the option you wish to set\n"
83"and press <Space>.\n"
84"\n"
85"\n"
86"Data entry\n"
87"----------\n"
88"Enter the requested information and press <Enter>. Hexadecimal values\n"
89"may be entered without the \"0x\" prefix.\n"
90"\n"
91"\n"
92"Text Box (Help Window)\n"
93"----------------------\n"
94"Use movement keys as listed in table above.\n"
95"\n"
96"Press any of <Enter> <Esc> <q> <F5> <F9> to exit.\n"
97"\n"
98"\n"
99"Alternate configuration files\n"
100"-----------------------------\n"
101"nconfig supports switching between different configurations.\n"
102"Press <F6> to save your current configuration. Press <F7> and enter\n"
103"a file name to load a previously saved configuration.\n"
104"\n"
105"\n"
106"Terminal configuration\n"
107"----------------------\n"
108"If you use nconfig in a xterm window, make sure your TERM environment\n"
109"variable specifies a terminal configuration which supports at least\n"
110"16 colors. Otherwise nconfig will look rather bad.\n"
111"\n"
112"If the \"stty size\" command reports the current terminalsize correctly,\n"
113"nconfig will adapt to sizes larger than the traditional 80x25 \"standard\"\n"
114"and display longer menus properly.\n"
115"\n"
116"\n"
117"Single menu mode\n"
118"----------------\n"
119"If you prefer to have all of the menu entries listed in a single menu,\n"
120"rather than the default multimenu hierarchy, run nconfig with\n"
121"NCONFIG_MODE environment variable set to single_menu. Example:\n"
122"\n"
123"make NCONFIG_MODE=single_menu nconfig\n"
124"\n"
125"<Enter> will then unfold the appropriate category, or fold it if it\n"
126"is already unfolded. Folded menu entries will be designated by a\n"
127"leading \"++>\" and unfolded entries by a leading \"-->\".\n"
128"\n"
129"Note that this mode can eventually be a little more CPU expensive than\n"
130"the default mode, especially with a larger number of unfolded submenus.\n"
131"\n"),
132menu_no_f_instructions[] = N_(
133"Legend: [*] built-in [ ] excluded <M> module < > module capable.\n"
134"Submenus are designated by a trailing \"--->\", empty ones by \"----\".\n"
135"\n"
136"Use the following keys to navigate the menus:\n"
137"Move up or down with <Up> and <Down>.\n"
138"Enter a submenu with <Enter> or <Right>.\n"
139"Exit a submenu to its parent menu with <Esc> or <Left>.\n"
140"Pressing <y> includes, <n> excludes, <m> modularizes features.\n"
141"Pressing <Space> cycles through the available options.\n"
142"To search for menu entries press </>.\n"
143"<Esc> always leaves the current window.\n"
144"\n"
145"You do not have function keys support.\n"
146"Press <1> instead of <F1>, <2> instead of <F2>, etc.\n"
147"For verbose global help use key <1>.\n"
148"For help related to the current menu entry press <?> or <h>.\n"),
149menu_instructions[] = N_(
150"Legend: [*] built-in [ ] excluded <M> module < > module capable.\n"
151"Submenus are designated by a trailing \"--->\", empty ones by \"----\".\n"
152"\n"
153"Use the following keys to navigate the menus:\n"
154"Move up or down with <Up> or <Down>.\n"
155"Enter a submenu with <Enter> or <Right>.\n"
156"Exit a submenu to its parent menu with <Esc> or <Left>.\n"
157"Pressing <y> includes, <n> excludes, <m> modularizes features.\n"
158"Pressing <Space> cycles through the available options.\n"
159"To search for menu entries press </>.\n"
160"<Esc> always leaves the current window.\n"
161"\n"
162"Pressing <1> may be used instead of <F1>, <2> instead of <F2>, etc.\n"
163"For verbose global help press <F1>.\n"
164"For help related to the current menu entry press <?> or <h>.\n"),
165radiolist_instructions[] = N_(
166"Press <Up>, <Down>, <Home> or <End> to navigate a radiolist, select\n"
167"with <Space>.\n"
168"For help related to the current entry press <?> or <h>.\n"
169"For global help press <F1>.\n"),
170inputbox_instructions_int[] = N_(
171"Please enter a decimal value.\n"
172"Fractions will not be accepted.\n"
173"Press <Enter> to apply, <Esc> to cancel."),
174inputbox_instructions_hex[] = N_(
175"Please enter a hexadecimal value.\n"
176"Press <Enter> to apply, <Esc> to cancel."),
177inputbox_instructions_string[] = N_(
178"Please enter a string value.\n"
179"Press <Enter> to apply, <Esc> to cancel."),
180setmod_text[] = N_(
181"This feature depends on another feature which has been configured as a\n"
182"module. As a result, the current feature will be built as a module too."),
183load_config_text[] = N_(
184"Enter the name of the configuration file you wish to load.\n"
185"Accept the name shown to restore the configuration you last\n"
186"retrieved. Leave empty to abort."),
187load_config_help[] = N_(
188"For various reasons, one may wish to keep several different\n"
189"configurations available on a single machine.\n"
190"\n"
191"If you have saved a previous configuration in a file other than the\n"
192"default one, entering its name here will allow you to load and modify\n"
193"that configuration.\n"
194"\n"
195"Leave empty to abort.\n"),
196save_config_text[] = N_(
197"Enter a filename to which this configuration should be saved\n"
198"as an alternate. Leave empty to abort."),
199save_config_help[] = N_(
200"For various reasons, one may wish to keep several different\n"
201"configurations available on a single machine.\n"
202"\n"
203"Entering a file name here will allow you to later retrieve, modify\n"
204"and use the current configuration as an alternate to whatever\n"
205"configuration options you have selected at that time.\n"
206"\n"
207"Leave empty to abort.\n"),
208search_help[] = N_(
209"Search for symbols (configuration variable names CONFIG_*) and display\n"
210"their relations. Regular expressions are supported.\n"
211"Example: Search for \"^FOO\".\n"
212"Result:\n"
213"-----------------------------------------------------------------\n"
214"Symbol: FOO [ = m]\n"
215"Prompt: Foo bus is used to drive the bar HW\n"
216"Defined at drivers/pci/Kconfig:47\n"
217"Depends on: X86_LOCAL_APIC && X86_IO_APIC || IA64\n"
218"Location:\n"
219" -> Bus options (PCI, PCMCIA, EISA, ISA)\n"
220" -> PCI support (PCI [ = y])\n"
221" -> PCI access mode (<choice> [ = y])\n"
222"Selects: LIBCRC32\n"
223"Selected by: BAR\n"
224"-----------------------------------------------------------------\n"
225"o The line 'Prompt:' shows the text displayed for this symbol in\n"
226" the menu hierarchy.\n"
227"o The 'Defined at' line tells at what file / line number the symbol is\n"
228" defined.\n"
229"o The 'Depends on:' line lists symbols that need to be defined for\n"
230" this symbol to be visible and selectable in the menu.\n"
231"o The 'Location:' lines tell, where in the menu structure this symbol\n"
232" is located. A location followed by a [ = y] indicates that this is\n"
233" a selectable menu item, and the current value is displayed inside\n"
234" brackets.\n"
235"o The 'Selects:' line tells, what symbol will be automatically selected\n"
236" if this symbol is selected (y or m).\n"
237"o The 'Selected by' line tells what symbol has selected this symbol.\n"
238"\n"
239"Only relevant lines are shown.\n"
240"\n\n"
241"Search examples:\n"
242"USB => find all symbols containing USB\n"
243"^USB => find all symbols starting with USB\n"
244"USB$ => find all symbols ending with USB\n"
245"\n");
246
247struct mitem {
248 char str[256];
249 char tag;
250 void *usrptr;
251 int is_visible;
252};
253
254#define MAX_MENU_ITEMS 4096
255static int show_all_items;
256static int indent;
257static struct menu *current_menu;
258static int child_count;
259static int single_menu_mode;
260/* the window in which all information appears */
261static WINDOW *main_window;
262/* the largest size of the menu window */
263static int mwin_max_lines;
264static int mwin_max_cols;
265/* the window in which we show option buttons */
266static MENU *curses_menu;
267static ITEM *curses_menu_items[MAX_MENU_ITEMS];
268static struct mitem k_menu_items[MAX_MENU_ITEMS];
269static int items_num;
270static int global_exit;
271/* the currently selected button */
272const char *current_instructions = menu_instructions;
273
274static char *dialog_input_result;
275static int dialog_input_result_len;
276
277static void conf(struct menu *menu);
278static void conf_choice(struct menu *menu);
279static void conf_string(struct menu *menu);
280static void conf_load(void);
281static void conf_save(void);
282static void show_help(struct menu *menu);
283static int do_exit(void);
284static void setup_windows(void);
285static void search_conf(void);
286
287typedef void (*function_key_handler_t)(int *key, struct menu *menu);
288static void handle_f1(int *key, struct menu *current_item);
289static void handle_f2(int *key, struct menu *current_item);
290static void handle_f3(int *key, struct menu *current_item);
291static void handle_f4(int *key, struct menu *current_item);
292static void handle_f5(int *key, struct menu *current_item);
293static void handle_f6(int *key, struct menu *current_item);
294static void handle_f7(int *key, struct menu *current_item);
295static void handle_f8(int *key, struct menu *current_item);
296static void handle_f9(int *key, struct menu *current_item);
297
298struct function_keys {
299 const char *key_str;
300 const char *func;
301 function_key key;
302 function_key_handler_t handler;
303};
304
305static const int function_keys_num = 9;
306struct function_keys function_keys[] = {
307 {
308 .key_str = "F1",
309 .func = "Help",
310 .key = F_HELP,
311 .handler = handle_f1,
312 },
313 {
314 .key_str = "F2",
315 .func = "SymInfo",
316 .key = F_SYMBOL,
317 .handler = handle_f2,
318 },
319 {
320 .key_str = "F3",
321 .func = "Help 2",
322 .key = F_INSTS,
323 .handler = handle_f3,
324 },
325 {
326 .key_str = "F4",
327 .func = "ShowAll",
328 .key = F_CONF,
329 .handler = handle_f4,
330 },
331 {
332 .key_str = "F5",
333 .func = "Back",
334 .key = F_BACK,
335 .handler = handle_f5,
336 },
337 {
338 .key_str = "F6",
339 .func = "Save",
340 .key = F_SAVE,
341 .handler = handle_f6,
342 },
343 {
344 .key_str = "F7",
345 .func = "Load",
346 .key = F_LOAD,
347 .handler = handle_f7,
348 },
349 {
350 .key_str = "F8",
351 .func = "SymSearch",
352 .key = F_SEARCH,
353 .handler = handle_f8,
354 },
355 {
356 .key_str = "F9",
357 .func = "Exit",
358 .key = F_EXIT,
359 .handler = handle_f9,
360 },
361};
362
363static void print_function_line(void)
364{
365 int i;
366 int offset = 1;
367 const int skip = 1;
368 int lines = getmaxy(stdscr);
369
370 for (i = 0; i < function_keys_num; i++) {
371 (void) wattrset(main_window, attributes[FUNCTION_HIGHLIGHT]);
372 mvwprintw(main_window, lines-3, offset,
373 "%s",
374 function_keys[i].key_str);
375 (void) wattrset(main_window, attributes[FUNCTION_TEXT]);
376 offset += strlen(function_keys[i].key_str);
377 mvwprintw(main_window, lines-3,
378 offset, "%s",
379 function_keys[i].func);
380 offset += strlen(function_keys[i].func) + skip;
381 }
382 (void) wattrset(main_window, attributes[NORMAL]);
383}
384
385/* help */
386static void handle_f1(int *key, struct menu *current_item)
387{
388 show_scroll_win(main_window,
389 _("Global help"), _(nconf_global_help));
390 return;
391}
392
393/* symbole help */
394static void handle_f2(int *key, struct menu *current_item)
395{
396 show_help(current_item);
397 return;
398}
399
400/* instructions */
401static void handle_f3(int *key, struct menu *current_item)
402{
403 show_scroll_win(main_window,
404 _("Short help"),
405 _(current_instructions));
406 return;
407}
408
409/* config */
410static void handle_f4(int *key, struct menu *current_item)
411{
412 int res = btn_dialog(main_window,
413 _("Show all symbols?"),
414 2,
415 " <Show All> ",
416 "<Don't show all>");
417 if (res == 0)
418 show_all_items = 1;
419 else if (res == 1)
420 show_all_items = 0;
421
422 return;
423}
424
425/* back */
426static void handle_f5(int *key, struct menu *current_item)
427{
428 *key = KEY_LEFT;
429 return;
430}
431
432/* save */
433static void handle_f6(int *key, struct menu *current_item)
434{
435 conf_save();
436 return;
437}
438
439/* load */
440static void handle_f7(int *key, struct menu *current_item)
441{
442 conf_load();
443 return;
444}
445
446/* search */
447static void handle_f8(int *key, struct menu *current_item)
448{
449 search_conf();
450 return;
451}
452
453/* exit */
454static void handle_f9(int *key, struct menu *current_item)
455{
456 do_exit();
457 return;
458}
459
460/* return != 0 to indicate the key was handles */
461static int process_special_keys(int *key, struct menu *menu)
462{
463 int i;
464
465 if (*key == KEY_RESIZE) {
466 setup_windows();
467 return 1;
468 }
469
470 for (i = 0; i < function_keys_num; i++) {
471 if (*key == KEY_F(function_keys[i].key) ||
472 *key == '0' + function_keys[i].key){
473 function_keys[i].handler(key, menu);
474 return 1;
475 }
476 }
477
478 return 0;
479}
480
481static void clean_items(void)
482{
483 int i;
484 for (i = 0; curses_menu_items[i]; i++)
485 free_item(curses_menu_items[i]);
486 bzero(curses_menu_items, sizeof(curses_menu_items));
487 bzero(k_menu_items, sizeof(k_menu_items));
488 items_num = 0;
489}
490
491typedef enum {MATCH_TINKER_PATTERN_UP, MATCH_TINKER_PATTERN_DOWN,
492 FIND_NEXT_MATCH_DOWN, FIND_NEXT_MATCH_UP} match_f;
493
494/* return the index of the matched item, or -1 if no such item exists */
495static int get_mext_match(const char *match_str, match_f flag)
496{
497 int match_start = item_index(current_item(curses_menu));
498 int index;
499
500 if (flag == FIND_NEXT_MATCH_DOWN)
501 ++match_start;
502 else if (flag == FIND_NEXT_MATCH_UP)
503 --match_start;
504
505 index = match_start;
506 index = (index + items_num) % items_num;
507 while (true) {
508 char *str = k_menu_items[index].str;
509 if (strcasestr(str, match_str) != 0)
510 return index;
511 if (flag == FIND_NEXT_MATCH_UP ||
512 flag == MATCH_TINKER_PATTERN_UP)
513 --index;
514 else
515 ++index;
516 index = (index + items_num) % items_num;
517 if (index == match_start)
518 return -1;
519 }
520}
521
522/* Make a new item. */
523static void item_make(struct menu *menu, char tag, const char *fmt, ...)
524{
525 va_list ap;
526
527 if (items_num > MAX_MENU_ITEMS-1)
528 return;
529
530 bzero(&k_menu_items[items_num], sizeof(k_menu_items[0]));
531 k_menu_items[items_num].tag = tag;
532 k_menu_items[items_num].usrptr = menu;
533 if (menu != NULL)
534 k_menu_items[items_num].is_visible =
535 menu_is_visible(menu);
536 else
537 k_menu_items[items_num].is_visible = 1;
538
539 va_start(ap, fmt);
540 vsnprintf(k_menu_items[items_num].str,
541 sizeof(k_menu_items[items_num].str),
542 fmt, ap);
543 va_end(ap);
544
545 if (!k_menu_items[items_num].is_visible)
546 memcpy(k_menu_items[items_num].str, "XXX", 3);
547
548 curses_menu_items[items_num] = new_item(
549 k_menu_items[items_num].str,
550 k_menu_items[items_num].str);
551 set_item_userptr(curses_menu_items[items_num],
552 &k_menu_items[items_num]);
553 /*
554 if (!k_menu_items[items_num].is_visible)
555 item_opts_off(curses_menu_items[items_num], O_SELECTABLE);
556 */
557
558 items_num++;
559 curses_menu_items[items_num] = NULL;
560}
561
562/* very hackish. adds a string to the last item added */
563static void item_add_str(const char *fmt, ...)
564{
565 va_list ap;
566 int index = items_num-1;
567 char new_str[256];
568 char tmp_str[256];
569
570 if (index < 0)
571 return;
572
573 va_start(ap, fmt);
574 vsnprintf(new_str, sizeof(new_str), fmt, ap);
575 va_end(ap);
576 snprintf(tmp_str, sizeof(tmp_str), "%s%s",
577 k_menu_items[index].str, new_str);
578 strncpy(k_menu_items[index].str,
579 tmp_str,
580 sizeof(k_menu_items[index].str));
581
582 free_item(curses_menu_items[index]);
583 curses_menu_items[index] = new_item(
584 k_menu_items[index].str,
585 k_menu_items[index].str);
586 set_item_userptr(curses_menu_items[index],
587 &k_menu_items[index]);
588}
589
590/* get the tag of the currently selected item */
591static char item_tag(void)
592{
593 ITEM *cur;
594 struct mitem *mcur;
595
596 cur = current_item(curses_menu);
597 if (cur == NULL)
598 return 0;
599 mcur = (struct mitem *) item_userptr(cur);
600 return mcur->tag;
601}
602
603static int curses_item_index(void)
604{
605 return item_index(current_item(curses_menu));
606}
607
608static void *item_data(void)
609{
610 ITEM *cur;
611 struct mitem *mcur;
612
613 cur = current_item(curses_menu);
614 if (!cur)
615 return NULL;
616 mcur = (struct mitem *) item_userptr(cur);
617 return mcur->usrptr;
618
619}
620
621static int item_is_tag(char tag)
622{
623 return item_tag() == tag;
624}
625
626static char filename[PATH_MAX+1];
627static char menu_backtitle[PATH_MAX+128];
628static const char *set_config_filename(const char *config_filename)
629{
630 int size;
631
632 size = snprintf(menu_backtitle, sizeof(menu_backtitle),
633 "%s - %s", config_filename, rootmenu.prompt->text);
634 if (size >= sizeof(menu_backtitle))
635 menu_backtitle[sizeof(menu_backtitle)-1] = '\0';
636
637 size = snprintf(filename, sizeof(filename), "%s", config_filename);
638 if (size >= sizeof(filename))
639 filename[sizeof(filename)-1] = '\0';
640 return menu_backtitle;
641}
642
643/* return = 0 means we are successful.
644 * -1 means go on doing what you were doing
645 */
646static int do_exit(void)
647{
648 int res;
649 if (!conf_get_changed()) {
650 global_exit = 1;
651 return 0;
652 }
653 res = btn_dialog(main_window,
654 _("Do you wish to save your new configuration?\n"
655 "<ESC> to cancel and resume nconfig."),
656 2,
657 " <save> ",
658 "<don't save>");
659 if (res == KEY_EXIT) {
660 global_exit = 0;
661 return -1;
662 }
663
664 /* if we got here, the user really wants to exit */
665 switch (res) {
666 case 0:
667 res = conf_write(filename);
668 if (res)
669 btn_dialog(
670 main_window,
671 _("Error during writing of configuration.\n"
672 "Your configuration changes were NOT saved."),
673 1,
674 "<OK>");
675 break;
676 default:
677 btn_dialog(
678 main_window,
679 _("Your configuration changes were NOT saved."),
680 1,
681 "<OK>");
682 break;
683 }
684 global_exit = 1;
685 return 0;
686}
687
688
689static void search_conf(void)
690{
691 struct symbol **sym_arr;
692 struct gstr res;
693 struct gstr title;
694 char *dialog_input;
695 int dres;
696
697 title = str_new();
698 str_printf( &title, _("Enter (sub)string or regexp to search for "
699 "(with or without \"%s\")"), CONFIG_);
700
701again:
702 dres = dialog_inputbox(main_window,
703 _("Search Configuration Parameter"),
704 str_get(&title),
705 "", &dialog_input_result, &dialog_input_result_len);
706 switch (dres) {
707 case 0:
708 break;
709 case 1:
710 show_scroll_win(main_window,
711 _("Search Configuration"), search_help);
712 goto again;
713 default:
714 str_free(&title);
715 return;
716 }
717
718 /* strip the prefix if necessary */
719 dialog_input = dialog_input_result;
720 if (strncasecmp(dialog_input_result, CONFIG_, strlen(CONFIG_)) == 0)
721 dialog_input += strlen(CONFIG_);
722
723 sym_arr = sym_re_search(dialog_input);
724 res = get_relations_str(sym_arr, NULL);
725 free(sym_arr);
726 show_scroll_win(main_window,
727 _("Search Results"), str_get(&res));
728 str_free(&res);
729 str_free(&title);
730}
731
732
733static void build_conf(struct menu *menu)
734{
735 struct symbol *sym;
736 struct property *prop;
737 struct menu *child;
738 int type, tmp, doint = 2;
739 tristate val;
740 char ch;
741
742 if (!menu || (!show_all_items && !menu_is_visible(menu)))
743 return;
744
745 sym = menu->sym;
746 prop = menu->prompt;
747 if (!sym) {
748 if (prop && menu != current_menu) {
749 const char *prompt = menu_get_prompt(menu);
750 enum prop_type ptype;
751 ptype = menu->prompt ? menu->prompt->type : P_UNKNOWN;
752 switch (ptype) {
753 case P_MENU:
754 child_count++;
755 prompt = _(prompt);
756 if (single_menu_mode) {
757 item_make(menu, 'm',
758 "%s%*c%s",
759 menu->data ? "-->" : "++>",
760 indent + 1, ' ', prompt);
761 } else
762 item_make(menu, 'm',
763 " %*c%s %s",
764 indent + 1, ' ', prompt,
765 menu_is_empty(menu) ? "----" : "--->");
766
767 if (single_menu_mode && menu->data)
768 goto conf_childs;
769 return;
770 case P_COMMENT:
771 if (prompt) {
772 child_count++;
773 item_make(menu, ':',
774 " %*c*** %s ***",
775 indent + 1, ' ',
776 _(prompt));
777 }
778 break;
779 default:
780 if (prompt) {
781 child_count++;
782 item_make(menu, ':', "---%*c%s",
783 indent + 1, ' ',
784 _(prompt));
785 }
786 }
787 } else
788 doint = 0;
789 goto conf_childs;
790 }
791
792 type = sym_get_type(sym);
793 if (sym_is_choice(sym)) {
794 struct symbol *def_sym = sym_get_choice_value(sym);
795 struct menu *def_menu = NULL;
796
797 child_count++;
798 for (child = menu->list; child; child = child->next) {
799 if (menu_is_visible(child) && child->sym == def_sym)
800 def_menu = child;
801 }
802
803 val = sym_get_tristate_value(sym);
804 if (sym_is_changable(sym)) {
805 switch (type) {
806 case S_BOOLEAN:
807 item_make(menu, 't', "[%c]",
808 val == no ? ' ' : '*');
809 break;
810 case S_TRISTATE:
811 switch (val) {
812 case yes:
813 ch = '*';
814 break;
815 case mod:
816 ch = 'M';
817 break;
818 default:
819 ch = ' ';
820 break;
821 }
822 item_make(menu, 't', "<%c>", ch);
823 break;
824 }
825 } else {
826 item_make(menu, def_menu ? 't' : ':', " ");
827 }
828
829 item_add_str("%*c%s", indent + 1,
830 ' ', _(menu_get_prompt(menu)));
831 if (val == yes) {
832 if (def_menu) {
833 item_add_str(" (%s)",
834 _(menu_get_prompt(def_menu)));
835 item_add_str(" --->");
836 if (def_menu->list) {
837 indent += 2;
838 build_conf(def_menu);
839 indent -= 2;
840 }
841 }
842 return;
843 }
844 } else {
845 if (menu == current_menu) {
846 item_make(menu, ':',
847 "---%*c%s", indent + 1,
848 ' ', _(menu_get_prompt(menu)));
849 goto conf_childs;
850 }
851 child_count++;
852 val = sym_get_tristate_value(sym);
853 if (sym_is_choice_value(sym) && val == yes) {
854 item_make(menu, ':', " ");
855 } else {
856 switch (type) {
857 case S_BOOLEAN:
858 if (sym_is_changable(sym))
859 item_make(menu, 't', "[%c]",
860 val == no ? ' ' : '*');
861 else
862 item_make(menu, 't', "-%c-",
863 val == no ? ' ' : '*');
864 break;
865 case S_TRISTATE:
866 switch (val) {
867 case yes:
868 ch = '*';
869 break;
870 case mod:
871 ch = 'M';
872 break;
873 default:
874 ch = ' ';
875 break;
876 }
877 if (sym_is_changable(sym)) {
878 if (sym->rev_dep.tri == mod)
879 item_make(menu,
880 't', "{%c}", ch);
881 else
882 item_make(menu,
883 't', "<%c>", ch);
884 } else
885 item_make(menu, 't', "-%c-", ch);
886 break;
887 default:
888 tmp = 2 + strlen(sym_get_string_value(sym));
889 item_make(menu, 's', " (%s)",
890 sym_get_string_value(sym));
891 tmp = indent - tmp + 4;
892 if (tmp < 0)
893 tmp = 0;
894 item_add_str("%*c%s%s", tmp, ' ',
895 _(menu_get_prompt(menu)),
896 (sym_has_value(sym) ||
897 !sym_is_changable(sym)) ? "" :
898 _(" (NEW)"));
899 goto conf_childs;
900 }
901 }
902 item_add_str("%*c%s%s", indent + 1, ' ',
903 _(menu_get_prompt(menu)),
904 (sym_has_value(sym) || !sym_is_changable(sym)) ?
905 "" : _(" (NEW)"));
906 if (menu->prompt && menu->prompt->type == P_MENU) {
907 item_add_str(" %s", menu_is_empty(menu) ? "----" : "--->");
908 return;
909 }
910 }
911
912conf_childs:
913 indent += doint;
914 for (child = menu->list; child; child = child->next)
915 build_conf(child);
916 indent -= doint;
917}
918
919static void reset_menu(void)
920{
921 unpost_menu(curses_menu);
922 clean_items();
923}
924
925/* adjust the menu to show this item.
926 * prefer not to scroll the menu if possible*/
927static void center_item(int selected_index, int *last_top_row)
928{
929 int toprow;
930
931 set_top_row(curses_menu, *last_top_row);
932 toprow = top_row(curses_menu);
933 if (selected_index < toprow ||
934 selected_index >= toprow+mwin_max_lines) {
935 toprow = max(selected_index-mwin_max_lines/2, 0);
936 if (toprow >= item_count(curses_menu)-mwin_max_lines)
937 toprow = item_count(curses_menu)-mwin_max_lines;
938 set_top_row(curses_menu, toprow);
939 }
940 set_current_item(curses_menu,
941 curses_menu_items[selected_index]);
942 *last_top_row = toprow;
943 post_menu(curses_menu);
944 refresh_all_windows(main_window);
945}
946
947/* this function assumes reset_menu has been called before */
948static void show_menu(const char *prompt, const char *instructions,
949 int selected_index, int *last_top_row)
950{
951 int maxx, maxy;
952 WINDOW *menu_window;
953
954 current_instructions = instructions;
955
956 clear();
957 (void) wattrset(main_window, attributes[NORMAL]);
958 print_in_middle(stdscr, 1, 0, getmaxx(stdscr),
959 menu_backtitle,
960 attributes[MAIN_HEADING]);
961
962 (void) wattrset(main_window, attributes[MAIN_MENU_BOX]);
963 box(main_window, 0, 0);
964 (void) wattrset(main_window, attributes[MAIN_MENU_HEADING]);
965 mvwprintw(main_window, 0, 3, " %s ", prompt);
966 (void) wattrset(main_window, attributes[NORMAL]);
967
968 set_menu_items(curses_menu, curses_menu_items);
969
970 /* position the menu at the middle of the screen */
971 scale_menu(curses_menu, &maxy, &maxx);
972 maxx = min(maxx, mwin_max_cols-2);
973 maxy = mwin_max_lines;
974 menu_window = derwin(main_window,
975 maxy,
976 maxx,
977 2,
978 (mwin_max_cols-maxx)/2);
979 keypad(menu_window, TRUE);
980 set_menu_win(curses_menu, menu_window);
981 set_menu_sub(curses_menu, menu_window);
982
983 /* must reassert this after changing items, otherwise returns to a
984 * default of 16
985 */
986 set_menu_format(curses_menu, maxy, 1);
987 center_item(selected_index, last_top_row);
988 set_menu_format(curses_menu, maxy, 1);
989
990 print_function_line();
991
992 /* Post the menu */
993 post_menu(curses_menu);
994 refresh_all_windows(main_window);
995}
996
997static void adj_match_dir(match_f *match_direction)
998{
999 if (*match_direction == FIND_NEXT_MATCH_DOWN)
1000 *match_direction =
1001 MATCH_TINKER_PATTERN_DOWN;
1002 else if (*match_direction == FIND_NEXT_MATCH_UP)
1003 *match_direction =
1004 MATCH_TINKER_PATTERN_UP;
1005 /* else, do no change.. */
1006}
1007
1008struct match_state
1009{
1010 int in_search;
1011 match_f match_direction;
1012 char pattern[256];
1013};
1014
1015/* Return 0 means I have handled the key. In such a case, ans should hold the
1016 * item to center, or -1 otherwise.
1017 * Else return -1 .
1018 */
1019static int do_match(int key, struct match_state *state, int *ans)
1020{
1021 char c = (char) key;
1022 int terminate_search = 0;
1023 *ans = -1;
1024 if (key == '/' || (state->in_search && key == 27)) {
1025 move(0, 0);
1026 refresh();
1027 clrtoeol();
1028 state->in_search = 1-state->in_search;
1029 bzero(state->pattern, sizeof(state->pattern));
1030 state->match_direction = MATCH_TINKER_PATTERN_DOWN;
1031 return 0;
1032 } else if (!state->in_search)
1033 return 1;
1034
1035 if (isalnum(c) || isgraph(c) || c == ' ') {
1036 state->pattern[strlen(state->pattern)] = c;
1037 state->pattern[strlen(state->pattern)] = '\0';
1038 adj_match_dir(&state->match_direction);
1039 *ans = get_mext_match(state->pattern,
1040 state->match_direction);
1041 } else if (key == KEY_DOWN) {
1042 state->match_direction = FIND_NEXT_MATCH_DOWN;
1043 *ans = get_mext_match(state->pattern,
1044 state->match_direction);
1045 } else if (key == KEY_UP) {
1046 state->match_direction = FIND_NEXT_MATCH_UP;
1047 *ans = get_mext_match(state->pattern,
1048 state->match_direction);
1049 } else if (key == KEY_BACKSPACE || key == 127) {
1050 state->pattern[strlen(state->pattern)-1] = '\0';
1051 adj_match_dir(&state->match_direction);
1052 } else
1053 terminate_search = 1;
1054
1055 if (terminate_search) {
1056 state->in_search = 0;
1057 bzero(state->pattern, sizeof(state->pattern));
1058 move(0, 0);
1059 refresh();
1060 clrtoeol();
1061 return -1;
1062 }
1063 return 0;
1064}
1065
1066static void conf(struct menu *menu)
1067{
1068 struct menu *submenu = 0;
1069 const char *prompt = menu_get_prompt(menu);
1070 struct symbol *sym;
1071 int res;
1072 int current_index = 0;
1073 int last_top_row = 0;
1074 struct match_state match_state = {
1075 .in_search = 0,
1076 .match_direction = MATCH_TINKER_PATTERN_DOWN,
1077 .pattern = "",
1078 };
1079
1080 while (!global_exit) {
1081 reset_menu();
1082 current_menu = menu;
1083 build_conf(menu);
1084 if (!child_count)
1085 break;
1086
1087 show_menu(prompt ? _(prompt) : _("Main Menu"),
1088 _(menu_instructions),
1089 current_index, &last_top_row);
1090 keypad((menu_win(curses_menu)), TRUE);
1091 while (!global_exit) {
1092 if (match_state.in_search) {
1093 mvprintw(0, 0,
1094 "searching: %s", match_state.pattern);
1095 clrtoeol();
1096 }
1097 refresh_all_windows(main_window);
1098 res = wgetch(menu_win(curses_menu));
1099 if (!res)
1100 break;
1101 if (do_match(res, &match_state, ¤t_index) == 0) {
1102 if (current_index != -1)
1103 center_item(current_index,
1104 &last_top_row);
1105 continue;
1106 }
1107 if (process_special_keys(&res,
1108 (struct menu *) item_data()))
1109 break;
1110 switch (res) {
1111 case KEY_DOWN:
1112 menu_driver(curses_menu, REQ_DOWN_ITEM);
1113 break;
1114 case KEY_UP:
1115 menu_driver(curses_menu, REQ_UP_ITEM);
1116 break;
1117 case KEY_NPAGE:
1118 menu_driver(curses_menu, REQ_SCR_DPAGE);
1119 break;
1120 case KEY_PPAGE:
1121 menu_driver(curses_menu, REQ_SCR_UPAGE);
1122 break;
1123 case KEY_HOME:
1124 menu_driver(curses_menu, REQ_FIRST_ITEM);
1125 break;
1126 case KEY_END:
1127 menu_driver(curses_menu, REQ_LAST_ITEM);
1128 break;
1129 case 'h':
1130 case '?':
1131 show_help((struct menu *) item_data());
1132 break;
1133 }
1134 if (res == 10 || res == 27 ||
1135 res == 32 || res == 'n' || res == 'y' ||
1136 res == KEY_LEFT || res == KEY_RIGHT ||
1137 res == 'm')
1138 break;
1139 refresh_all_windows(main_window);
1140 }
1141
1142 refresh_all_windows(main_window);
1143 /* if ESC or left*/
1144 if (res == 27 || (menu != &rootmenu && res == KEY_LEFT))
1145 break;
1146
1147 /* remember location in the menu */
1148 last_top_row = top_row(curses_menu);
1149 current_index = curses_item_index();
1150
1151 if (!item_tag())
1152 continue;
1153
1154 submenu = (struct menu *) item_data();
1155 if (!submenu || !menu_is_visible(submenu))
1156 continue;
1157 sym = submenu->sym;
1158
1159 switch (res) {
1160 case ' ':
1161 if (item_is_tag('t'))
1162 sym_toggle_tristate_value(sym);
1163 else if (item_is_tag('m'))
1164 conf(submenu);
1165 break;
1166 case KEY_RIGHT:
1167 case 10: /* ENTER WAS PRESSED */
1168 switch (item_tag()) {
1169 case 'm':
1170 if (single_menu_mode)
1171 submenu->data =
1172 (void *) (long) !submenu->data;
1173 else
1174 conf(submenu);
1175 break;
1176 case 't':
1177 if (sym_is_choice(sym) &&
1178 sym_get_tristate_value(sym) == yes)
1179 conf_choice(submenu);
1180 else if (submenu->prompt &&
1181 submenu->prompt->type == P_MENU)
1182 conf(submenu);
1183 else if (res == 10)
1184 sym_toggle_tristate_value(sym);
1185 break;
1186 case 's':
1187 conf_string(submenu);
1188 break;
1189 }
1190 break;
1191 case 'y':
1192 if (item_is_tag('t')) {
1193 if (sym_set_tristate_value(sym, yes))
1194 break;
1195 if (sym_set_tristate_value(sym, mod))
1196 btn_dialog(main_window, setmod_text, 0);
1197 }
1198 break;
1199 case 'n':
1200 if (item_is_tag('t'))
1201 sym_set_tristate_value(sym, no);
1202 break;
1203 case 'm':
1204 if (item_is_tag('t'))
1205 sym_set_tristate_value(sym, mod);
1206 break;
1207 }
1208 }
1209}
1210
1211static void conf_message_callback(const char *fmt, va_list ap)
1212{
1213 char buf[1024];
1214
1215 vsnprintf(buf, sizeof(buf), fmt, ap);
1216 btn_dialog(main_window, buf, 1, "<OK>");
1217}
1218
1219static void show_help(struct menu *menu)
1220{
1221 struct gstr help;
1222
1223 if (!menu)
1224 return;
1225
1226 help = str_new();
1227 menu_get_ext_help(menu, &help);
1228 show_scroll_win(main_window, _(menu_get_prompt(menu)), str_get(&help));
1229 str_free(&help);
1230}
1231
1232static void conf_choice(struct menu *menu)
1233{
1234 const char *prompt = _(menu_get_prompt(menu));
1235 struct menu *child = 0;
1236 struct symbol *active;
1237 int selected_index = 0;
1238 int last_top_row = 0;
1239 int res, i = 0;
1240 struct match_state match_state = {
1241 .in_search = 0,
1242 .match_direction = MATCH_TINKER_PATTERN_DOWN,
1243 .pattern = "",
1244 };
1245
1246 active = sym_get_choice_value(menu->sym);
1247 /* this is mostly duplicated from the conf() function. */
1248 while (!global_exit) {
1249 reset_menu();
1250
1251 for (i = 0, child = menu->list; child; child = child->next) {
1252 if (!show_all_items && !menu_is_visible(child))
1253 continue;
1254
1255 if (child->sym == sym_get_choice_value(menu->sym))
1256 item_make(child, ':', "<X> %s",
1257 _(menu_get_prompt(child)));
1258 else if (child->sym)
1259 item_make(child, ':', " %s",
1260 _(menu_get_prompt(child)));
1261 else
1262 item_make(child, ':', "*** %s ***",
1263 _(menu_get_prompt(child)));
1264
1265 if (child->sym == active){
1266 last_top_row = top_row(curses_menu);
1267 selected_index = i;
1268 }
1269 i++;
1270 }
1271 show_menu(prompt ? _(prompt) : _("Choice Menu"),
1272 _(radiolist_instructions),
1273 selected_index,
1274 &last_top_row);
1275 while (!global_exit) {
1276 if (match_state.in_search) {
1277 mvprintw(0, 0, "searching: %s",
1278 match_state.pattern);
1279 clrtoeol();
1280 }
1281 refresh_all_windows(main_window);
1282 res = wgetch(menu_win(curses_menu));
1283 if (!res)
1284 break;
1285 if (do_match(res, &match_state, &selected_index) == 0) {
1286 if (selected_index != -1)
1287 center_item(selected_index,
1288 &last_top_row);
1289 continue;
1290 }
1291 if (process_special_keys(
1292 &res,
1293 (struct menu *) item_data()))
1294 break;
1295 switch (res) {
1296 case KEY_DOWN:
1297 menu_driver(curses_menu, REQ_DOWN_ITEM);
1298 break;
1299 case KEY_UP:
1300 menu_driver(curses_menu, REQ_UP_ITEM);
1301 break;
1302 case KEY_NPAGE:
1303 menu_driver(curses_menu, REQ_SCR_DPAGE);
1304 break;
1305 case KEY_PPAGE:
1306 menu_driver(curses_menu, REQ_SCR_UPAGE);
1307 break;
1308 case KEY_HOME:
1309 menu_driver(curses_menu, REQ_FIRST_ITEM);
1310 break;
1311 case KEY_END:
1312 menu_driver(curses_menu, REQ_LAST_ITEM);
1313 break;
1314 case 'h':
1315 case '?':
1316 show_help((struct menu *) item_data());
1317 break;
1318 }
1319 if (res == 10 || res == 27 || res == ' ' ||
1320 res == KEY_LEFT){
1321 break;
1322 }
1323 refresh_all_windows(main_window);
1324 }
1325 /* if ESC or left */
1326 if (res == 27 || res == KEY_LEFT)
1327 break;
1328
1329 child = item_data();
1330 if (!child || !menu_is_visible(child) || !child->sym)
1331 continue;
1332 switch (res) {
1333 case ' ':
1334 case 10:
1335 case KEY_RIGHT:
1336 sym_set_tristate_value(child->sym, yes);
1337 return;
1338 case 'h':
1339 case '?':
1340 show_help(child);
1341 active = child->sym;
1342 break;
1343 case KEY_EXIT:
1344 return;
1345 }
1346 }
1347}
1348
1349static void conf_string(struct menu *menu)
1350{
1351 const char *prompt = menu_get_prompt(menu);
1352
1353 while (1) {
1354 int res;
1355 const char *heading;
1356
1357 switch (sym_get_type(menu->sym)) {
1358 case S_INT:
1359 heading = _(inputbox_instructions_int);
1360 break;
1361 case S_HEX:
1362 heading = _(inputbox_instructions_hex);
1363 break;
1364 case S_STRING:
1365 heading = _(inputbox_instructions_string);
1366 break;
1367 default:
1368 heading = _("Internal nconf error!");
1369 }
1370 res = dialog_inputbox(main_window,
1371 prompt ? _(prompt) : _("Main Menu"),
1372 heading,
1373 sym_get_string_value(menu->sym),
1374 &dialog_input_result,
1375 &dialog_input_result_len);
1376 switch (res) {
1377 case 0:
1378 if (sym_set_string_value(menu->sym,
1379 dialog_input_result))
1380 return;
1381 btn_dialog(main_window,
1382 _("You have made an invalid entry."), 0);
1383 break;
1384 case 1:
1385 show_help(menu);
1386 break;
1387 case KEY_EXIT:
1388 return;
1389 }
1390 }
1391}
1392
1393static void conf_load(void)
1394{
1395 while (1) {
1396 int res;
1397 res = dialog_inputbox(main_window,
1398 NULL, load_config_text,
1399 filename,
1400 &dialog_input_result,
1401 &dialog_input_result_len);
1402 switch (res) {
1403 case 0:
1404 if (!dialog_input_result[0])
1405 return;
1406 if (!conf_read(dialog_input_result)) {
1407 set_config_filename(dialog_input_result);
1408 sym_set_change_count(1);
1409 return;
1410 }
1411 btn_dialog(main_window, _("File does not exist!"), 0);
1412 break;
1413 case 1:
1414 show_scroll_win(main_window,
1415 _("Load Alternate Configuration"),
1416 load_config_help);
1417 break;
1418 case KEY_EXIT:
1419 return;
1420 }
1421 }
1422}
1423
1424static void conf_save(void)
1425{
1426 while (1) {
1427 int res;
1428 res = dialog_inputbox(main_window,
1429 NULL, save_config_text,
1430 filename,
1431 &dialog_input_result,
1432 &dialog_input_result_len);
1433 switch (res) {
1434 case 0:
1435 if (!dialog_input_result[0])
1436 return;
1437 res = conf_write(dialog_input_result);
1438 if (!res) {
1439 set_config_filename(dialog_input_result);
1440 return;
1441 }
1442 btn_dialog(main_window, _("Can't create file! "
1443 "Probably a nonexistent directory."),
1444 1, "<OK>");
1445 break;
1446 case 1:
1447 show_scroll_win(main_window,
1448 _("Save Alternate Configuration"),
1449 save_config_help);
1450 break;
1451 case KEY_EXIT:
1452 return;
1453 }
1454 }
1455}
1456
1457void setup_windows(void)
1458{
1459 int lines, columns;
1460
1461 getmaxyx(stdscr, lines, columns);
1462
1463 if (main_window != NULL)
1464 delwin(main_window);
1465
1466 /* set up the menu and menu window */
1467 main_window = newwin(lines-2, columns-2, 2, 1);
1468 keypad(main_window, TRUE);
1469 mwin_max_lines = lines-7;
1470 mwin_max_cols = columns-6;
1471
1472 /* panels order is from bottom to top */
1473 new_panel(main_window);
1474}
1475
1476int main(int ac, char **av)
1477{
1478 int lines, columns;
1479 char *mode;
1480
1481 setlocale(LC_ALL, "");
1482 bindtextdomain(PACKAGE, LOCALEDIR);
1483 textdomain(PACKAGE);
1484
1485 if (ac > 1 && strcmp(av[1], "-s") == 0) {
1486 /* Silence conf_read() until the real callback is set up */
1487 conf_set_message_callback(NULL);
1488 av++;
1489 }
1490 conf_parse(av[1]);
1491 conf_read(NULL);
1492
1493 mode = getenv("NCONFIG_MODE");
1494 if (mode) {
1495 if (!strcasecmp(mode, "single_menu"))
1496 single_menu_mode = 1;
1497 }
1498
1499 /* Initialize curses */
1500 initscr();
1501 /* set color theme */
1502 set_colors();
1503
1504 cbreak();
1505 noecho();
1506 keypad(stdscr, TRUE);
1507 curs_set(0);
1508
1509 getmaxyx(stdscr, lines, columns);
1510 if (columns < 75 || lines < 20) {
1511 endwin();
1512 printf("Your terminal should have at "
1513 "least 20 lines and 75 columns\n");
1514 return 1;
1515 }
1516
1517 notimeout(stdscr, FALSE);
1518#if NCURSES_REENTRANT
1519 set_escdelay(1);
1520#else
1521 ESCDELAY = 1;
1522#endif
1523
1524 /* set btns menu */
1525 curses_menu = new_menu(curses_menu_items);
1526 menu_opts_off(curses_menu, O_SHOWDESC);
1527 menu_opts_on(curses_menu, O_SHOWMATCH);
1528 menu_opts_on(curses_menu, O_ONEVALUE);
1529 menu_opts_on(curses_menu, O_NONCYCLIC);
1530 menu_opts_on(curses_menu, O_IGNORECASE);
1531 set_menu_mark(curses_menu, " ");
1532 set_menu_fore(curses_menu, attributes[MAIN_MENU_FORE]);
1533 set_menu_back(curses_menu, attributes[MAIN_MENU_BACK]);
1534 set_menu_grey(curses_menu, attributes[MAIN_MENU_GREY]);
1535
1536 set_config_filename(conf_get_configname());
1537 setup_windows();
1538
1539 /* check for KEY_FUNC(1) */
1540 if (has_key(KEY_F(1)) == FALSE) {
1541 show_scroll_win(main_window,
1542 _("Instructions"),
1543 _(menu_no_f_instructions));
1544 }
1545
1546 conf_set_message_callback(conf_message_callback);
1547 /* do the work */
1548 while (!global_exit) {
1549 conf(&rootmenu);
1550 if (!global_exit && do_exit() == 0)
1551 break;
1552 }
1553 /* ok, we are done */
1554 unpost_menu(curses_menu);
1555 free_menu(curses_menu);
1556 delwin(main_window);
1557 clear();
1558 refresh();
1559 endwin();
1560 return 0;
1561}
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (C) 2008 Nir Tzachar <nir.tzachar@gmail.com>
4 *
5 * Derived from menuconfig.
6 */
7#ifndef _GNU_SOURCE
8#define _GNU_SOURCE
9#endif
10#include <string.h>
11#include <strings.h>
12#include <stdlib.h>
13
14#include "list.h"
15#include "lkc.h"
16#include "mnconf-common.h"
17#include "nconf.h"
18#include <ctype.h>
19
20static const char nconf_global_help[] =
21"Help windows\n"
22"------------\n"
23"o Global help: Unless in a data entry window, pressing <F1> will give \n"
24" you the global help window, which you are just reading.\n"
25"\n"
26"o A short version of the global help is available by pressing <F3>.\n"
27"\n"
28"o Local help: To get help related to the current menu entry, use any\n"
29" of <?> <h>, or if in a data entry window then press <F1>.\n"
30"\n"
31"\n"
32"Menu entries\n"
33"------------\n"
34"This interface lets you select features and parameters for the kernel\n"
35"build. Kernel features can either be built-in, modularized, or removed.\n"
36"Parameters must be entered as text or decimal or hexadecimal numbers.\n"
37"\n"
38"Menu entries beginning with following braces represent features that\n"
39" [ ] can be built in or removed\n"
40" < > can be built in, modularized or removed\n"
41" { } can be built in or modularized, are selected by another feature\n"
42" - - are selected by another feature\n"
43" XXX cannot be selected. Symbol Info <F2> tells you why.\n"
44"*, M or whitespace inside braces means to build in, build as a module\n"
45"or to exclude the feature respectively.\n"
46"\n"
47"To change any of these features, highlight it with the movement keys\n"
48"listed below and press <y> to build it in, <m> to make it a module or\n"
49"<n> to remove it. You may press the <Space> key to cycle through the\n"
50"available options.\n"
51"\n"
52"A trailing \"--->\" designates a submenu, a trailing \"----\" an\n"
53"empty submenu.\n"
54"\n"
55"Menu navigation keys\n"
56"----------------------------------------------------------------------\n"
57"Linewise up <Up> <k>\n"
58"Linewise down <Down> <j>\n"
59"Pagewise up <Page Up>\n"
60"Pagewise down <Page Down>\n"
61"First entry <Home>\n"
62"Last entry <End>\n"
63"Enter a submenu <Right> <Enter>\n"
64"Go back to parent menu <Left> <Esc> <F5>\n"
65"Close a help window <Enter> <Esc> <F5>\n"
66"Close entry window, apply <Enter>\n"
67"Close entry window, forget <Esc> <F5>\n"
68"Start incremental, case-insensitive search for STRING in menu entries,\n"
69" no regex support, STRING is displayed in upper left corner\n"
70" </>STRING\n"
71" Remove last character <Backspace>\n"
72" Jump to next hit <Down>\n"
73" Jump to previous hit <Up>\n"
74"Exit menu search mode </> <Esc>\n"
75"Search for configuration variables with or without leading CONFIG_\n"
76" <F8>RegExpr<Enter>\n"
77"Verbose search help <F8><F1>\n"
78"----------------------------------------------------------------------\n"
79"\n"
80"Unless in a data entry window, key <1> may be used instead of <F1>,\n"
81"<2> instead of <F2>, etc.\n"
82"\n"
83"\n"
84"Radiolist (Choice list)\n"
85"-----------------------\n"
86"Use the movement keys listed above to select the option you wish to set\n"
87"and press <Space>.\n"
88"\n"
89"\n"
90"Data entry\n"
91"----------\n"
92"Enter the requested information and press <Enter>. Hexadecimal values\n"
93"may be entered without the \"0x\" prefix.\n"
94"\n"
95"\n"
96"Text Box (Help Window)\n"
97"----------------------\n"
98"Use movement keys as listed in table above.\n"
99"\n"
100"Press any of <Enter> <Esc> <q> <F5> <F9> to exit.\n"
101"\n"
102"\n"
103"Alternate configuration files\n"
104"-----------------------------\n"
105"nconfig supports switching between different configurations.\n"
106"Press <F6> to save your current configuration. Press <F7> and enter\n"
107"a file name to load a previously saved configuration.\n"
108"\n"
109"\n"
110"Terminal configuration\n"
111"----------------------\n"
112"If you use nconfig in a xterm window, make sure your TERM environment\n"
113"variable specifies a terminal configuration which supports at least\n"
114"16 colors. Otherwise nconfig will look rather bad.\n"
115"\n"
116"If the \"stty size\" command reports the current terminalsize correctly,\n"
117"nconfig will adapt to sizes larger than the traditional 80x25 \"standard\"\n"
118"and display longer menus properly.\n"
119"\n"
120"\n"
121"Single menu mode\n"
122"----------------\n"
123"If you prefer to have all of the menu entries listed in a single menu,\n"
124"rather than the default multimenu hierarchy, run nconfig with\n"
125"NCONFIG_MODE environment variable set to single_menu. Example:\n"
126"\n"
127"make NCONFIG_MODE=single_menu nconfig\n"
128"\n"
129"<Enter> will then unfold the appropriate category, or fold it if it\n"
130"is already unfolded. Folded menu entries will be designated by a\n"
131"leading \"++>\" and unfolded entries by a leading \"-->\".\n"
132"\n"
133"Note that this mode can eventually be a little more CPU expensive than\n"
134"the default mode, especially with a larger number of unfolded submenus.\n"
135"\n",
136menu_no_f_instructions[] =
137"Legend: [*] built-in [ ] excluded <M> module < > module capable.\n"
138"Submenus are designated by a trailing \"--->\", empty ones by \"----\".\n"
139"\n"
140"Use the following keys to navigate the menus:\n"
141"Move up or down with <Up> and <Down>.\n"
142"Enter a submenu with <Enter> or <Right>.\n"
143"Exit a submenu to its parent menu with <Esc> or <Left>.\n"
144"Pressing <y> includes, <n> excludes, <m> modularizes features.\n"
145"Pressing <Space> cycles through the available options.\n"
146"To search for menu entries press </>.\n"
147"<Esc> always leaves the current window.\n"
148"\n"
149"You do not have function keys support.\n"
150"Press <1> instead of <F1>, <2> instead of <F2>, etc.\n"
151"For verbose global help use key <1>.\n"
152"For help related to the current menu entry press <?> or <h>.\n",
153menu_instructions[] =
154"Legend: [*] built-in [ ] excluded <M> module < > module capable.\n"
155"Submenus are designated by a trailing \"--->\", empty ones by \"----\".\n"
156"\n"
157"Use the following keys to navigate the menus:\n"
158"Move up or down with <Up> or <Down>.\n"
159"Enter a submenu with <Enter> or <Right>.\n"
160"Exit a submenu to its parent menu with <Esc> or <Left>.\n"
161"Pressing <y> includes, <n> excludes, <m> modularizes features.\n"
162"Pressing <Space> cycles through the available options.\n"
163"To search for menu entries press </>.\n"
164"<Esc> always leaves the current window.\n"
165"\n"
166"Pressing <1> may be used instead of <F1>, <2> instead of <F2>, etc.\n"
167"For verbose global help press <F1>.\n"
168"For help related to the current menu entry press <?> or <h>.\n",
169radiolist_instructions[] =
170"Press <Up>, <Down>, <Home> or <End> to navigate a radiolist, select\n"
171"with <Space>.\n"
172"For help related to the current entry press <?> or <h>.\n"
173"For global help press <F1>.\n",
174inputbox_instructions_int[] =
175"Please enter a decimal value.\n"
176"Fractions will not be accepted.\n"
177"Press <Enter> to apply, <Esc> to cancel.",
178inputbox_instructions_hex[] =
179"Please enter a hexadecimal value.\n"
180"Press <Enter> to apply, <Esc> to cancel.",
181inputbox_instructions_string[] =
182"Please enter a string value.\n"
183"Press <Enter> to apply, <Esc> to cancel.",
184setmod_text[] =
185"This feature depends on another feature which has been configured as a\n"
186"module. As a result, the current feature will be built as a module too.",
187load_config_text[] =
188"Enter the name of the configuration file you wish to load.\n"
189"Accept the name shown to restore the configuration you last\n"
190"retrieved. Leave empty to abort.",
191load_config_help[] =
192"For various reasons, one may wish to keep several different\n"
193"configurations available on a single machine.\n"
194"\n"
195"If you have saved a previous configuration in a file other than the\n"
196"default one, entering its name here will allow you to load and modify\n"
197"that configuration.\n"
198"\n"
199"Leave empty to abort.\n",
200save_config_text[] =
201"Enter a filename to which this configuration should be saved\n"
202"as an alternate. Leave empty to abort.",
203save_config_help[] =
204"For various reasons, one may wish to keep several different\n"
205"configurations available on a single machine.\n"
206"\n"
207"Entering a file name here will allow you to later retrieve, modify\n"
208"and use the current configuration as an alternate to whatever\n"
209"configuration options you have selected at that time.\n"
210"\n"
211"Leave empty to abort.\n",
212search_help[] =
213"Search for symbols (configuration variable names CONFIG_*) and display\n"
214"their relations. Regular expressions are supported.\n"
215"Example: Search for \"^FOO\".\n"
216"Result:\n"
217"-----------------------------------------------------------------\n"
218"Symbol: FOO [ = m]\n"
219"Prompt: Foo bus is used to drive the bar HW\n"
220"Defined at drivers/pci/Kconfig:47\n"
221"Depends on: X86_LOCAL_APIC && X86_IO_APIC\n"
222"Location:\n"
223" -> Bus options (PCI, PCMCIA, EISA, ISA)\n"
224" -> PCI support (PCI [ = y])\n"
225"(1) -> PCI access mode (<choice> [ = y])\n"
226"Selects: LIBCRC32\n"
227"Selected by: BAR\n"
228"-----------------------------------------------------------------\n"
229"o The line 'Prompt:' shows the text displayed for this symbol in\n"
230" the menu hierarchy.\n"
231"o The 'Defined at' line tells at what file / line number the symbol is\n"
232" defined.\n"
233"o The 'Depends on:' line lists symbols that need to be defined for\n"
234" this symbol to be visible and selectable in the menu.\n"
235"o The 'Location:' lines tell, where in the menu structure this symbol\n"
236" is located.\n"
237" A location followed by a [ = y] indicates that this is\n"
238" a selectable menu item, and the current value is displayed inside\n"
239" brackets.\n"
240" Press the key in the (#) prefix to jump directly to that\n"
241" location. You will be returned to the current search results\n"
242" after exiting this new menu.\n"
243"o The 'Selects:' line tells, what symbol will be automatically selected\n"
244" if this symbol is selected (y or m).\n"
245"o The 'Selected by' line tells what symbol has selected this symbol.\n"
246"\n"
247"Only relevant lines are shown.\n"
248"\n\n"
249"Search examples:\n"
250"USB => find all symbols containing USB\n"
251"^USB => find all symbols starting with USB\n"
252"USB$ => find all symbols ending with USB\n"
253"\n";
254
255struct mitem {
256 char str[256];
257 char tag;
258 void *usrptr;
259 int is_visible;
260};
261
262#define MAX_MENU_ITEMS 4096
263static int show_all_items;
264static int indent;
265static struct menu *current_menu;
266static int child_count;
267static int single_menu_mode;
268/* the window in which all information appears */
269static WINDOW *main_window;
270/* the largest size of the menu window */
271static int mwin_max_lines;
272static int mwin_max_cols;
273/* the window in which we show option buttons */
274static MENU *curses_menu;
275static ITEM *curses_menu_items[MAX_MENU_ITEMS];
276static struct mitem k_menu_items[MAX_MENU_ITEMS];
277static unsigned int items_num;
278static int global_exit;
279/* the currently selected button */
280static const char *current_instructions = menu_instructions;
281
282static char *dialog_input_result;
283static int dialog_input_result_len;
284
285static void selected_conf(struct menu *menu, struct menu *active_menu);
286static void conf(struct menu *menu);
287static void conf_choice(struct menu *menu);
288static void conf_string(struct menu *menu);
289static void conf_load(void);
290static void conf_save(void);
291static void show_help(struct menu *menu);
292static int do_exit(void);
293static void setup_windows(void);
294static void search_conf(void);
295
296typedef void (*function_key_handler_t)(int *key, struct menu *menu);
297static void handle_f1(int *key, struct menu *current_item);
298static void handle_f2(int *key, struct menu *current_item);
299static void handle_f3(int *key, struct menu *current_item);
300static void handle_f4(int *key, struct menu *current_item);
301static void handle_f5(int *key, struct menu *current_item);
302static void handle_f6(int *key, struct menu *current_item);
303static void handle_f7(int *key, struct menu *current_item);
304static void handle_f8(int *key, struct menu *current_item);
305static void handle_f9(int *key, struct menu *current_item);
306
307struct function_keys {
308 const char *key_str;
309 const char *func;
310 function_key key;
311 function_key_handler_t handler;
312};
313
314static const int function_keys_num = 9;
315static struct function_keys function_keys[] = {
316 {
317 .key_str = "F1",
318 .func = "Help",
319 .key = F_HELP,
320 .handler = handle_f1,
321 },
322 {
323 .key_str = "F2",
324 .func = "SymInfo",
325 .key = F_SYMBOL,
326 .handler = handle_f2,
327 },
328 {
329 .key_str = "F3",
330 .func = "Help 2",
331 .key = F_INSTS,
332 .handler = handle_f3,
333 },
334 {
335 .key_str = "F4",
336 .func = "ShowAll",
337 .key = F_CONF,
338 .handler = handle_f4,
339 },
340 {
341 .key_str = "F5",
342 .func = "Back",
343 .key = F_BACK,
344 .handler = handle_f5,
345 },
346 {
347 .key_str = "F6",
348 .func = "Save",
349 .key = F_SAVE,
350 .handler = handle_f6,
351 },
352 {
353 .key_str = "F7",
354 .func = "Load",
355 .key = F_LOAD,
356 .handler = handle_f7,
357 },
358 {
359 .key_str = "F8",
360 .func = "SymSearch",
361 .key = F_SEARCH,
362 .handler = handle_f8,
363 },
364 {
365 .key_str = "F9",
366 .func = "Exit",
367 .key = F_EXIT,
368 .handler = handle_f9,
369 },
370};
371
372static void print_function_line(void)
373{
374 int i;
375 int offset = 1;
376 const int skip = 1;
377 int lines = getmaxy(stdscr);
378
379 for (i = 0; i < function_keys_num; i++) {
380 wattrset(main_window, attr_function_highlight);
381 mvwprintw(main_window, lines-3, offset,
382 "%s",
383 function_keys[i].key_str);
384 wattrset(main_window, attr_function_text);
385 offset += strlen(function_keys[i].key_str);
386 mvwprintw(main_window, lines-3,
387 offset, "%s",
388 function_keys[i].func);
389 offset += strlen(function_keys[i].func) + skip;
390 }
391 wattrset(main_window, attr_normal);
392}
393
394/* help */
395static void handle_f1(int *key, struct menu *current_item)
396{
397 show_scroll_win(main_window,
398 "Global help", nconf_global_help);
399 return;
400}
401
402/* symbole help */
403static void handle_f2(int *key, struct menu *current_item)
404{
405 show_help(current_item);
406 return;
407}
408
409/* instructions */
410static void handle_f3(int *key, struct menu *current_item)
411{
412 show_scroll_win(main_window,
413 "Short help",
414 current_instructions);
415 return;
416}
417
418/* config */
419static void handle_f4(int *key, struct menu *current_item)
420{
421 int res = btn_dialog(main_window,
422 "Show all symbols?",
423 2,
424 " <Show All> ",
425 "<Don't show all>");
426 if (res == 0)
427 show_all_items = 1;
428 else if (res == 1)
429 show_all_items = 0;
430
431 return;
432}
433
434/* back */
435static void handle_f5(int *key, struct menu *current_item)
436{
437 *key = KEY_LEFT;
438 return;
439}
440
441/* save */
442static void handle_f6(int *key, struct menu *current_item)
443{
444 conf_save();
445 return;
446}
447
448/* load */
449static void handle_f7(int *key, struct menu *current_item)
450{
451 conf_load();
452 return;
453}
454
455/* search */
456static void handle_f8(int *key, struct menu *current_item)
457{
458 search_conf();
459 return;
460}
461
462/* exit */
463static void handle_f9(int *key, struct menu *current_item)
464{
465 do_exit();
466 return;
467}
468
469/* return != 0 to indicate the key was handles */
470static int process_special_keys(int *key, struct menu *menu)
471{
472 int i;
473
474 if (*key == KEY_RESIZE) {
475 setup_windows();
476 return 1;
477 }
478
479 for (i = 0; i < function_keys_num; i++) {
480 if (*key == KEY_F(function_keys[i].key) ||
481 *key == '0' + function_keys[i].key){
482 function_keys[i].handler(key, menu);
483 return 1;
484 }
485 }
486
487 return 0;
488}
489
490static void clean_items(void)
491{
492 int i;
493 for (i = 0; curses_menu_items[i]; i++)
494 free_item(curses_menu_items[i]);
495 bzero(curses_menu_items, sizeof(curses_menu_items));
496 bzero(k_menu_items, sizeof(k_menu_items));
497 items_num = 0;
498}
499
500typedef enum {MATCH_TINKER_PATTERN_UP, MATCH_TINKER_PATTERN_DOWN,
501 FIND_NEXT_MATCH_DOWN, FIND_NEXT_MATCH_UP} match_f;
502
503/* return the index of the matched item, or -1 if no such item exists */
504static int get_mext_match(const char *match_str, match_f flag)
505{
506 int match_start, index;
507
508 /* Do not search if the menu is empty (i.e. items_num == 0) */
509 match_start = item_index(current_item(curses_menu));
510 if (match_start == ERR)
511 return -1;
512
513 if (flag == FIND_NEXT_MATCH_DOWN)
514 ++match_start;
515 else if (flag == FIND_NEXT_MATCH_UP)
516 --match_start;
517
518 match_start = (match_start + items_num) % items_num;
519 index = match_start;
520 while (true) {
521 char *str = k_menu_items[index].str;
522 if (strcasestr(str, match_str) != NULL)
523 return index;
524 if (flag == FIND_NEXT_MATCH_UP ||
525 flag == MATCH_TINKER_PATTERN_UP)
526 --index;
527 else
528 ++index;
529 index = (index + items_num) % items_num;
530 if (index == match_start)
531 return -1;
532 }
533}
534
535/* Make a new item. */
536static void item_make(struct menu *menu, char tag, const char *fmt, ...)
537{
538 va_list ap;
539
540 if (items_num > MAX_MENU_ITEMS-1)
541 return;
542
543 bzero(&k_menu_items[items_num], sizeof(k_menu_items[0]));
544 k_menu_items[items_num].tag = tag;
545 k_menu_items[items_num].usrptr = menu;
546 if (menu != NULL)
547 k_menu_items[items_num].is_visible =
548 menu_is_visible(menu);
549 else
550 k_menu_items[items_num].is_visible = 1;
551
552 va_start(ap, fmt);
553 vsnprintf(k_menu_items[items_num].str,
554 sizeof(k_menu_items[items_num].str),
555 fmt, ap);
556 va_end(ap);
557
558 if (!k_menu_items[items_num].is_visible)
559 memcpy(k_menu_items[items_num].str, "XXX", 3);
560
561 curses_menu_items[items_num] = new_item(
562 k_menu_items[items_num].str,
563 k_menu_items[items_num].str);
564 set_item_userptr(curses_menu_items[items_num],
565 &k_menu_items[items_num]);
566 /*
567 if (!k_menu_items[items_num].is_visible)
568 item_opts_off(curses_menu_items[items_num], O_SELECTABLE);
569 */
570
571 items_num++;
572 curses_menu_items[items_num] = NULL;
573}
574
575/* very hackish. adds a string to the last item added */
576static void item_add_str(const char *fmt, ...)
577{
578 va_list ap;
579 int index = items_num-1;
580 char new_str[256];
581 char tmp_str[256];
582
583 if (index < 0)
584 return;
585
586 va_start(ap, fmt);
587 vsnprintf(new_str, sizeof(new_str), fmt, ap);
588 va_end(ap);
589 snprintf(tmp_str, sizeof(tmp_str), "%s%s",
590 k_menu_items[index].str, new_str);
591 strncpy(k_menu_items[index].str,
592 tmp_str,
593 sizeof(k_menu_items[index].str));
594
595 free_item(curses_menu_items[index]);
596 curses_menu_items[index] = new_item(
597 k_menu_items[index].str,
598 k_menu_items[index].str);
599 set_item_userptr(curses_menu_items[index],
600 &k_menu_items[index]);
601}
602
603/* get the tag of the currently selected item */
604static char item_tag(void)
605{
606 ITEM *cur;
607 struct mitem *mcur;
608
609 cur = current_item(curses_menu);
610 if (cur == NULL)
611 return 0;
612 mcur = (struct mitem *) item_userptr(cur);
613 return mcur->tag;
614}
615
616static int curses_item_index(void)
617{
618 return item_index(current_item(curses_menu));
619}
620
621static void *item_data(void)
622{
623 ITEM *cur;
624 struct mitem *mcur;
625
626 cur = current_item(curses_menu);
627 if (!cur)
628 return NULL;
629 mcur = (struct mitem *) item_userptr(cur);
630 return mcur->usrptr;
631
632}
633
634static int item_is_tag(char tag)
635{
636 return item_tag() == tag;
637}
638
639static char filename[PATH_MAX+1];
640static char menu_backtitle[PATH_MAX+128];
641static void set_config_filename(const char *config_filename)
642{
643 snprintf(menu_backtitle, sizeof(menu_backtitle), "%s - %s",
644 config_filename, rootmenu.prompt->text);
645
646 snprintf(filename, sizeof(filename), "%s", config_filename);
647}
648
649/* return = 0 means we are successful.
650 * -1 means go on doing what you were doing
651 */
652static int do_exit(void)
653{
654 int res;
655 if (!conf_get_changed()) {
656 global_exit = 1;
657 return 0;
658 }
659 res = btn_dialog(main_window,
660 "Do you wish to save your new configuration?\n"
661 "<ESC> to cancel and resume nconfig.",
662 2,
663 " <save> ",
664 "<don't save>");
665 if (res == KEY_EXIT) {
666 global_exit = 0;
667 return -1;
668 }
669
670 /* if we got here, the user really wants to exit */
671 switch (res) {
672 case 0:
673 res = conf_write(filename);
674 if (res)
675 btn_dialog(
676 main_window,
677 "Error during writing of configuration.\n"
678 "Your configuration changes were NOT saved.",
679 1,
680 "<OK>");
681 conf_write_autoconf(0);
682 break;
683 default:
684 btn_dialog(
685 main_window,
686 "Your configuration changes were NOT saved.",
687 1,
688 "<OK>");
689 break;
690 }
691 global_exit = 1;
692 return 0;
693}
694
695
696static void search_conf(void)
697{
698 struct symbol **sym_arr;
699 struct gstr res;
700 struct gstr title;
701 char *dialog_input;
702 int dres, vscroll = 0, hscroll = 0;
703 bool again;
704
705 title = str_new();
706 str_printf( &title, "Enter (sub)string or regexp to search for "
707 "(with or without \"%s\")", CONFIG_);
708
709again:
710 dres = dialog_inputbox(main_window,
711 "Search Configuration Parameter",
712 str_get(&title),
713 "", &dialog_input_result, &dialog_input_result_len);
714 switch (dres) {
715 case 0:
716 break;
717 case 1:
718 show_scroll_win(main_window,
719 "Search Configuration", search_help);
720 goto again;
721 default:
722 str_free(&title);
723 return;
724 }
725
726 /* strip the prefix if necessary */
727 dialog_input = dialog_input_result;
728 if (strncasecmp(dialog_input_result, CONFIG_, strlen(CONFIG_)) == 0)
729 dialog_input += strlen(CONFIG_);
730
731 sym_arr = sym_re_search(dialog_input);
732
733 do {
734 LIST_HEAD(head);
735 struct search_data data = {
736 .head = &head,
737 .target = NULL,
738 };
739 jump_key_char = 0;
740 res = get_relations_str(sym_arr, &head);
741 dres = show_scroll_win_ext(main_window,
742 "Search Results", str_get(&res),
743 &vscroll, &hscroll,
744 handle_search_keys, &data);
745 again = false;
746 if (dres >= '1' && dres <= '9') {
747 assert(data.target != NULL);
748 selected_conf(data.target->parent, data.target);
749 again = true;
750 }
751 str_free(&res);
752 } while (again);
753 free(sym_arr);
754 str_free(&title);
755}
756
757
758static void build_conf(struct menu *menu)
759{
760 struct symbol *sym;
761 struct property *prop;
762 struct menu *child;
763 int type, tmp, doint = 2;
764 tristate val;
765 char ch;
766
767 if (!menu || (!show_all_items && !menu_is_visible(menu)))
768 return;
769
770 sym = menu->sym;
771 prop = menu->prompt;
772 if (!sym) {
773 if (prop && menu != current_menu) {
774 const char *prompt = menu_get_prompt(menu);
775 enum prop_type ptype;
776 ptype = menu->prompt ? menu->prompt->type : P_UNKNOWN;
777 switch (ptype) {
778 case P_MENU:
779 child_count++;
780 if (single_menu_mode) {
781 item_make(menu, 'm',
782 "%s%*c%s",
783 menu->data ? "-->" : "++>",
784 indent + 1, ' ', prompt);
785 } else
786 item_make(menu, 'm',
787 " %*c%s %s",
788 indent + 1, ' ', prompt,
789 menu_is_empty(menu) ? "----" : "--->");
790
791 if (single_menu_mode && menu->data)
792 goto conf_childs;
793 return;
794 case P_COMMENT:
795 if (prompt) {
796 child_count++;
797 item_make(menu, ':',
798 " %*c*** %s ***",
799 indent + 1, ' ',
800 prompt);
801 }
802 break;
803 default:
804 if (prompt) {
805 child_count++;
806 item_make(menu, ':', "---%*c%s",
807 indent + 1, ' ',
808 prompt);
809 }
810 }
811 } else
812 doint = 0;
813 goto conf_childs;
814 }
815
816 type = sym_get_type(sym);
817 if (sym_is_choice(sym)) {
818 struct symbol *def_sym = sym_get_choice_value(sym);
819 struct menu *def_menu = NULL;
820
821 child_count++;
822 for (child = menu->list; child; child = child->next) {
823 if (menu_is_visible(child) && child->sym == def_sym)
824 def_menu = child;
825 }
826
827 val = sym_get_tristate_value(sym);
828 if (sym_is_changeable(sym)) {
829 switch (type) {
830 case S_BOOLEAN:
831 item_make(menu, 't', "[%c]",
832 val == no ? ' ' : '*');
833 break;
834 case S_TRISTATE:
835 switch (val) {
836 case yes:
837 ch = '*';
838 break;
839 case mod:
840 ch = 'M';
841 break;
842 default:
843 ch = ' ';
844 break;
845 }
846 item_make(menu, 't', "<%c>", ch);
847 break;
848 }
849 } else {
850 item_make(menu, def_menu ? 't' : ':', " ");
851 }
852
853 item_add_str("%*c%s", indent + 1,
854 ' ', menu_get_prompt(menu));
855 if (val == yes) {
856 if (def_menu) {
857 item_add_str(" (%s)",
858 menu_get_prompt(def_menu));
859 item_add_str(" --->");
860 if (def_menu->list) {
861 indent += 2;
862 build_conf(def_menu);
863 indent -= 2;
864 }
865 }
866 return;
867 }
868 } else {
869 if (menu == current_menu) {
870 item_make(menu, ':',
871 "---%*c%s", indent + 1,
872 ' ', menu_get_prompt(menu));
873 goto conf_childs;
874 }
875 child_count++;
876 val = sym_get_tristate_value(sym);
877 if (sym_is_choice_value(sym) && val == yes) {
878 item_make(menu, ':', " ");
879 } else {
880 switch (type) {
881 case S_BOOLEAN:
882 if (sym_is_changeable(sym))
883 item_make(menu, 't', "[%c]",
884 val == no ? ' ' : '*');
885 else
886 item_make(menu, 't', "-%c-",
887 val == no ? ' ' : '*');
888 break;
889 case S_TRISTATE:
890 switch (val) {
891 case yes:
892 ch = '*';
893 break;
894 case mod:
895 ch = 'M';
896 break;
897 default:
898 ch = ' ';
899 break;
900 }
901 if (sym_is_changeable(sym)) {
902 if (sym->rev_dep.tri == mod)
903 item_make(menu,
904 't', "{%c}", ch);
905 else
906 item_make(menu,
907 't', "<%c>", ch);
908 } else
909 item_make(menu, 't', "-%c-", ch);
910 break;
911 default:
912 tmp = 2 + strlen(sym_get_string_value(sym));
913 item_make(menu, 's', " (%s)",
914 sym_get_string_value(sym));
915 tmp = indent - tmp + 4;
916 if (tmp < 0)
917 tmp = 0;
918 item_add_str("%*c%s%s", tmp, ' ',
919 menu_get_prompt(menu),
920 (sym_has_value(sym) ||
921 !sym_is_changeable(sym)) ? "" :
922 " (NEW)");
923 goto conf_childs;
924 }
925 }
926 item_add_str("%*c%s%s", indent + 1, ' ',
927 menu_get_prompt(menu),
928 (sym_has_value(sym) || !sym_is_changeable(sym)) ?
929 "" : " (NEW)");
930 if (menu->prompt && menu->prompt->type == P_MENU) {
931 item_add_str(" %s", menu_is_empty(menu) ? "----" : "--->");
932 return;
933 }
934 }
935
936conf_childs:
937 indent += doint;
938 for (child = menu->list; child; child = child->next)
939 build_conf(child);
940 indent -= doint;
941}
942
943static void reset_menu(void)
944{
945 unpost_menu(curses_menu);
946 clean_items();
947}
948
949/* adjust the menu to show this item.
950 * prefer not to scroll the menu if possible*/
951static void center_item(int selected_index, int *last_top_row)
952{
953 int toprow;
954
955 set_top_row(curses_menu, *last_top_row);
956 toprow = top_row(curses_menu);
957 if (selected_index < toprow ||
958 selected_index >= toprow+mwin_max_lines) {
959 toprow = max(selected_index-mwin_max_lines/2, 0);
960 if (toprow >= item_count(curses_menu)-mwin_max_lines)
961 toprow = item_count(curses_menu)-mwin_max_lines;
962 set_top_row(curses_menu, toprow);
963 }
964 set_current_item(curses_menu,
965 curses_menu_items[selected_index]);
966 *last_top_row = toprow;
967 post_menu(curses_menu);
968 refresh_all_windows(main_window);
969}
970
971/* this function assumes reset_menu has been called before */
972static void show_menu(const char *prompt, const char *instructions,
973 int selected_index, int *last_top_row)
974{
975 int maxx, maxy;
976 WINDOW *menu_window;
977
978 current_instructions = instructions;
979
980 clear();
981 print_in_middle(stdscr, 1, getmaxx(stdscr),
982 menu_backtitle,
983 attr_main_heading);
984
985 wattrset(main_window, attr_main_menu_box);
986 box(main_window, 0, 0);
987 wattrset(main_window, attr_main_menu_heading);
988 mvwprintw(main_window, 0, 3, " %s ", prompt);
989 wattrset(main_window, attr_normal);
990
991 set_menu_items(curses_menu, curses_menu_items);
992
993 /* position the menu at the middle of the screen */
994 scale_menu(curses_menu, &maxy, &maxx);
995 maxx = min(maxx, mwin_max_cols-2);
996 maxy = mwin_max_lines;
997 menu_window = derwin(main_window,
998 maxy,
999 maxx,
1000 2,
1001 (mwin_max_cols-maxx)/2);
1002 keypad(menu_window, TRUE);
1003 set_menu_win(curses_menu, menu_window);
1004 set_menu_sub(curses_menu, menu_window);
1005
1006 /* must reassert this after changing items, otherwise returns to a
1007 * default of 16
1008 */
1009 set_menu_format(curses_menu, maxy, 1);
1010 center_item(selected_index, last_top_row);
1011 set_menu_format(curses_menu, maxy, 1);
1012
1013 print_function_line();
1014
1015 /* Post the menu */
1016 post_menu(curses_menu);
1017 refresh_all_windows(main_window);
1018}
1019
1020static void adj_match_dir(match_f *match_direction)
1021{
1022 if (*match_direction == FIND_NEXT_MATCH_DOWN)
1023 *match_direction =
1024 MATCH_TINKER_PATTERN_DOWN;
1025 else if (*match_direction == FIND_NEXT_MATCH_UP)
1026 *match_direction =
1027 MATCH_TINKER_PATTERN_UP;
1028 /* else, do no change.. */
1029}
1030
1031struct match_state
1032{
1033 int in_search;
1034 match_f match_direction;
1035 char pattern[256];
1036};
1037
1038/* Return 0 means I have handled the key. In such a case, ans should hold the
1039 * item to center, or -1 otherwise.
1040 * Else return -1 .
1041 */
1042static int do_match(int key, struct match_state *state, int *ans)
1043{
1044 char c = (char) key;
1045 int terminate_search = 0;
1046 *ans = -1;
1047 if (key == '/' || (state->in_search && key == 27)) {
1048 move(0, 0);
1049 refresh();
1050 clrtoeol();
1051 state->in_search = 1-state->in_search;
1052 bzero(state->pattern, sizeof(state->pattern));
1053 state->match_direction = MATCH_TINKER_PATTERN_DOWN;
1054 return 0;
1055 } else if (!state->in_search)
1056 return 1;
1057
1058 if (isalnum(c) || isgraph(c) || c == ' ') {
1059 state->pattern[strlen(state->pattern)] = c;
1060 state->pattern[strlen(state->pattern)] = '\0';
1061 adj_match_dir(&state->match_direction);
1062 *ans = get_mext_match(state->pattern,
1063 state->match_direction);
1064 } else if (key == KEY_DOWN) {
1065 state->match_direction = FIND_NEXT_MATCH_DOWN;
1066 *ans = get_mext_match(state->pattern,
1067 state->match_direction);
1068 } else if (key == KEY_UP) {
1069 state->match_direction = FIND_NEXT_MATCH_UP;
1070 *ans = get_mext_match(state->pattern,
1071 state->match_direction);
1072 } else if (key == KEY_BACKSPACE || key == 8 || key == 127) {
1073 state->pattern[strlen(state->pattern)-1] = '\0';
1074 adj_match_dir(&state->match_direction);
1075 } else
1076 terminate_search = 1;
1077
1078 if (terminate_search) {
1079 state->in_search = 0;
1080 bzero(state->pattern, sizeof(state->pattern));
1081 move(0, 0);
1082 refresh();
1083 clrtoeol();
1084 return -1;
1085 }
1086 return 0;
1087}
1088
1089static void conf(struct menu *menu)
1090{
1091 selected_conf(menu, NULL);
1092}
1093
1094static void selected_conf(struct menu *menu, struct menu *active_menu)
1095{
1096 struct menu *submenu = NULL;
1097 struct symbol *sym;
1098 int i, res;
1099 int current_index = 0;
1100 int last_top_row = 0;
1101 struct match_state match_state = {
1102 .in_search = 0,
1103 .match_direction = MATCH_TINKER_PATTERN_DOWN,
1104 .pattern = "",
1105 };
1106
1107 while (!global_exit) {
1108 reset_menu();
1109 current_menu = menu;
1110 build_conf(menu);
1111 if (!child_count)
1112 break;
1113
1114 if (active_menu != NULL) {
1115 for (i = 0; i < items_num; i++) {
1116 struct mitem *mcur;
1117
1118 mcur = (struct mitem *) item_userptr(curses_menu_items[i]);
1119 if ((struct menu *) mcur->usrptr == active_menu) {
1120 current_index = i;
1121 break;
1122 }
1123 }
1124 active_menu = NULL;
1125 }
1126
1127 show_menu(menu_get_prompt(menu), menu_instructions,
1128 current_index, &last_top_row);
1129 keypad((menu_win(curses_menu)), TRUE);
1130 while (!global_exit) {
1131 if (match_state.in_search) {
1132 mvprintw(0, 0,
1133 "searching: %s", match_state.pattern);
1134 clrtoeol();
1135 }
1136 refresh_all_windows(main_window);
1137 res = wgetch(menu_win(curses_menu));
1138 if (!res)
1139 break;
1140 if (do_match(res, &match_state, ¤t_index) == 0) {
1141 if (current_index != -1)
1142 center_item(current_index,
1143 &last_top_row);
1144 continue;
1145 }
1146 if (process_special_keys(&res,
1147 (struct menu *) item_data()))
1148 break;
1149 switch (res) {
1150 case KEY_DOWN:
1151 case 'j':
1152 menu_driver(curses_menu, REQ_DOWN_ITEM);
1153 break;
1154 case KEY_UP:
1155 case 'k':
1156 menu_driver(curses_menu, REQ_UP_ITEM);
1157 break;
1158 case KEY_NPAGE:
1159 menu_driver(curses_menu, REQ_SCR_DPAGE);
1160 break;
1161 case KEY_PPAGE:
1162 menu_driver(curses_menu, REQ_SCR_UPAGE);
1163 break;
1164 case KEY_HOME:
1165 menu_driver(curses_menu, REQ_FIRST_ITEM);
1166 break;
1167 case KEY_END:
1168 menu_driver(curses_menu, REQ_LAST_ITEM);
1169 break;
1170 case 'h':
1171 case '?':
1172 show_help((struct menu *) item_data());
1173 break;
1174 }
1175 if (res == 10 || res == 27 ||
1176 res == 32 || res == 'n' || res == 'y' ||
1177 res == KEY_LEFT || res == KEY_RIGHT ||
1178 res == 'm')
1179 break;
1180 refresh_all_windows(main_window);
1181 }
1182
1183 refresh_all_windows(main_window);
1184 /* if ESC or left*/
1185 if (res == 27 || (menu != &rootmenu && res == KEY_LEFT))
1186 break;
1187
1188 /* remember location in the menu */
1189 last_top_row = top_row(curses_menu);
1190 current_index = curses_item_index();
1191
1192 if (!item_tag())
1193 continue;
1194
1195 submenu = (struct menu *) item_data();
1196 if (!submenu || !menu_is_visible(submenu))
1197 continue;
1198 sym = submenu->sym;
1199
1200 switch (res) {
1201 case ' ':
1202 if (item_is_tag('t'))
1203 sym_toggle_tristate_value(sym);
1204 else if (item_is_tag('m'))
1205 conf(submenu);
1206 break;
1207 case KEY_RIGHT:
1208 case 10: /* ENTER WAS PRESSED */
1209 switch (item_tag()) {
1210 case 'm':
1211 if (single_menu_mode)
1212 submenu->data =
1213 (void *) (long) !submenu->data;
1214 else
1215 conf(submenu);
1216 break;
1217 case 't':
1218 if (sym_is_choice(sym) &&
1219 sym_get_tristate_value(sym) == yes)
1220 conf_choice(submenu);
1221 else if (submenu->prompt &&
1222 submenu->prompt->type == P_MENU)
1223 conf(submenu);
1224 else if (res == 10)
1225 sym_toggle_tristate_value(sym);
1226 break;
1227 case 's':
1228 conf_string(submenu);
1229 break;
1230 }
1231 break;
1232 case 'y':
1233 if (item_is_tag('t')) {
1234 if (sym_set_tristate_value(sym, yes))
1235 break;
1236 if (sym_set_tristate_value(sym, mod))
1237 btn_dialog(main_window, setmod_text, 0);
1238 }
1239 break;
1240 case 'n':
1241 if (item_is_tag('t'))
1242 sym_set_tristate_value(sym, no);
1243 break;
1244 case 'm':
1245 if (item_is_tag('t'))
1246 sym_set_tristate_value(sym, mod);
1247 break;
1248 }
1249 }
1250}
1251
1252static void conf_message_callback(const char *s)
1253{
1254 btn_dialog(main_window, s, 1, "<OK>");
1255}
1256
1257static void show_help(struct menu *menu)
1258{
1259 struct gstr help;
1260
1261 if (!menu)
1262 return;
1263
1264 help = str_new();
1265 menu_get_ext_help(menu, &help);
1266 show_scroll_win(main_window, menu_get_prompt(menu), str_get(&help));
1267 str_free(&help);
1268}
1269
1270static void conf_choice(struct menu *menu)
1271{
1272 const char *prompt = menu_get_prompt(menu);
1273 struct menu *child = NULL;
1274 struct symbol *active;
1275 int selected_index = 0;
1276 int last_top_row = 0;
1277 int res, i = 0;
1278 struct match_state match_state = {
1279 .in_search = 0,
1280 .match_direction = MATCH_TINKER_PATTERN_DOWN,
1281 .pattern = "",
1282 };
1283
1284 active = sym_get_choice_value(menu->sym);
1285 /* this is mostly duplicated from the conf() function. */
1286 while (!global_exit) {
1287 reset_menu();
1288
1289 for (i = 0, child = menu->list; child; child = child->next) {
1290 if (!show_all_items && !menu_is_visible(child))
1291 continue;
1292
1293 if (child->sym == sym_get_choice_value(menu->sym))
1294 item_make(child, ':', "<X> %s",
1295 menu_get_prompt(child));
1296 else if (child->sym)
1297 item_make(child, ':', " %s",
1298 menu_get_prompt(child));
1299 else
1300 item_make(child, ':', "*** %s ***",
1301 menu_get_prompt(child));
1302
1303 if (child->sym == active){
1304 last_top_row = top_row(curses_menu);
1305 selected_index = i;
1306 }
1307 i++;
1308 }
1309 show_menu(prompt ? prompt : "Choice Menu",
1310 radiolist_instructions,
1311 selected_index,
1312 &last_top_row);
1313 while (!global_exit) {
1314 if (match_state.in_search) {
1315 mvprintw(0, 0, "searching: %s",
1316 match_state.pattern);
1317 clrtoeol();
1318 }
1319 refresh_all_windows(main_window);
1320 res = wgetch(menu_win(curses_menu));
1321 if (!res)
1322 break;
1323 if (do_match(res, &match_state, &selected_index) == 0) {
1324 if (selected_index != -1)
1325 center_item(selected_index,
1326 &last_top_row);
1327 continue;
1328 }
1329 if (process_special_keys(
1330 &res,
1331 (struct menu *) item_data()))
1332 break;
1333 switch (res) {
1334 case KEY_DOWN:
1335 case 'j':
1336 menu_driver(curses_menu, REQ_DOWN_ITEM);
1337 break;
1338 case KEY_UP:
1339 case 'k':
1340 menu_driver(curses_menu, REQ_UP_ITEM);
1341 break;
1342 case KEY_NPAGE:
1343 menu_driver(curses_menu, REQ_SCR_DPAGE);
1344 break;
1345 case KEY_PPAGE:
1346 menu_driver(curses_menu, REQ_SCR_UPAGE);
1347 break;
1348 case KEY_HOME:
1349 menu_driver(curses_menu, REQ_FIRST_ITEM);
1350 break;
1351 case KEY_END:
1352 menu_driver(curses_menu, REQ_LAST_ITEM);
1353 break;
1354 case 'h':
1355 case '?':
1356 show_help((struct menu *) item_data());
1357 break;
1358 }
1359 if (res == 10 || res == 27 || res == ' ' ||
1360 res == KEY_LEFT){
1361 break;
1362 }
1363 refresh_all_windows(main_window);
1364 }
1365 /* if ESC or left */
1366 if (res == 27 || res == KEY_LEFT)
1367 break;
1368
1369 child = item_data();
1370 if (!child || !menu_is_visible(child) || !child->sym)
1371 continue;
1372 switch (res) {
1373 case ' ':
1374 case 10:
1375 case KEY_RIGHT:
1376 sym_set_tristate_value(child->sym, yes);
1377 return;
1378 case 'h':
1379 case '?':
1380 show_help(child);
1381 active = child->sym;
1382 break;
1383 case KEY_EXIT:
1384 return;
1385 }
1386 }
1387}
1388
1389static void conf_string(struct menu *menu)
1390{
1391 const char *prompt = menu_get_prompt(menu);
1392
1393 while (1) {
1394 int res;
1395 const char *heading;
1396
1397 switch (sym_get_type(menu->sym)) {
1398 case S_INT:
1399 heading = inputbox_instructions_int;
1400 break;
1401 case S_HEX:
1402 heading = inputbox_instructions_hex;
1403 break;
1404 case S_STRING:
1405 heading = inputbox_instructions_string;
1406 break;
1407 default:
1408 heading = "Internal nconf error!";
1409 }
1410 res = dialog_inputbox(main_window,
1411 prompt ? prompt : "Main Menu",
1412 heading,
1413 sym_get_string_value(menu->sym),
1414 &dialog_input_result,
1415 &dialog_input_result_len);
1416 switch (res) {
1417 case 0:
1418 if (sym_set_string_value(menu->sym,
1419 dialog_input_result))
1420 return;
1421 btn_dialog(main_window,
1422 "You have made an invalid entry.", 0);
1423 break;
1424 case 1:
1425 show_help(menu);
1426 break;
1427 case KEY_EXIT:
1428 return;
1429 }
1430 }
1431}
1432
1433static void conf_load(void)
1434{
1435 while (1) {
1436 int res;
1437 res = dialog_inputbox(main_window,
1438 NULL, load_config_text,
1439 filename,
1440 &dialog_input_result,
1441 &dialog_input_result_len);
1442 switch (res) {
1443 case 0:
1444 if (!dialog_input_result[0])
1445 return;
1446 if (!conf_read(dialog_input_result)) {
1447 set_config_filename(dialog_input_result);
1448 conf_set_changed(true);
1449 return;
1450 }
1451 btn_dialog(main_window, "File does not exist!", 0);
1452 break;
1453 case 1:
1454 show_scroll_win(main_window,
1455 "Load Alternate Configuration",
1456 load_config_help);
1457 break;
1458 case KEY_EXIT:
1459 return;
1460 }
1461 }
1462}
1463
1464static void conf_save(void)
1465{
1466 while (1) {
1467 int res;
1468 res = dialog_inputbox(main_window,
1469 NULL, save_config_text,
1470 filename,
1471 &dialog_input_result,
1472 &dialog_input_result_len);
1473 switch (res) {
1474 case 0:
1475 if (!dialog_input_result[0])
1476 return;
1477 res = conf_write(dialog_input_result);
1478 if (!res) {
1479 set_config_filename(dialog_input_result);
1480 return;
1481 }
1482 btn_dialog(main_window, "Can't create file!",
1483 1, "<OK>");
1484 break;
1485 case 1:
1486 show_scroll_win(main_window,
1487 "Save Alternate Configuration",
1488 save_config_help);
1489 break;
1490 case KEY_EXIT:
1491 return;
1492 }
1493 }
1494}
1495
1496static void setup_windows(void)
1497{
1498 int lines, columns;
1499
1500 getmaxyx(stdscr, lines, columns);
1501
1502 if (main_window != NULL)
1503 delwin(main_window);
1504
1505 /* set up the menu and menu window */
1506 main_window = newwin(lines-2, columns-2, 2, 1);
1507 keypad(main_window, TRUE);
1508 mwin_max_lines = lines-7;
1509 mwin_max_cols = columns-6;
1510
1511 /* panels order is from bottom to top */
1512 new_panel(main_window);
1513}
1514
1515int main(int ac, char **av)
1516{
1517 int lines, columns;
1518 char *mode;
1519
1520 if (ac > 1 && strcmp(av[1], "-s") == 0) {
1521 /* Silence conf_read() until the real callback is set up */
1522 conf_set_message_callback(NULL);
1523 av++;
1524 }
1525 conf_parse(av[1]);
1526 conf_read(NULL);
1527
1528 mode = getenv("NCONFIG_MODE");
1529 if (mode) {
1530 if (!strcasecmp(mode, "single_menu"))
1531 single_menu_mode = 1;
1532 }
1533
1534 /* Initialize curses */
1535 initscr();
1536 /* set color theme */
1537 set_colors();
1538
1539 cbreak();
1540 noecho();
1541 keypad(stdscr, TRUE);
1542 curs_set(0);
1543
1544 getmaxyx(stdscr, lines, columns);
1545 if (columns < 75 || lines < 20) {
1546 endwin();
1547 printf("Your terminal should have at "
1548 "least 20 lines and 75 columns\n");
1549 return 1;
1550 }
1551
1552 notimeout(stdscr, FALSE);
1553#if NCURSES_REENTRANT
1554 set_escdelay(1);
1555#else
1556 ESCDELAY = 1;
1557#endif
1558
1559 /* set btns menu */
1560 curses_menu = new_menu(curses_menu_items);
1561 menu_opts_off(curses_menu, O_SHOWDESC);
1562 menu_opts_on(curses_menu, O_SHOWMATCH);
1563 menu_opts_on(curses_menu, O_ONEVALUE);
1564 menu_opts_on(curses_menu, O_NONCYCLIC);
1565 menu_opts_on(curses_menu, O_IGNORECASE);
1566 set_menu_mark(curses_menu, " ");
1567 set_menu_fore(curses_menu, attr_main_menu_fore);
1568 set_menu_back(curses_menu, attr_main_menu_back);
1569 set_menu_grey(curses_menu, attr_main_menu_grey);
1570
1571 set_config_filename(conf_get_configname());
1572 setup_windows();
1573
1574 /* check for KEY_FUNC(1) */
1575 if (has_key(KEY_F(1)) == FALSE) {
1576 show_scroll_win(main_window,
1577 "Instructions",
1578 menu_no_f_instructions);
1579 }
1580
1581 conf_set_message_callback(conf_message_callback);
1582 /* do the work */
1583 while (!global_exit) {
1584 conf(&rootmenu);
1585 if (!global_exit && do_exit() == 0)
1586 break;
1587 }
1588 /* ok, we are done */
1589 unpost_menu(curses_menu);
1590 free_menu(curses_menu);
1591 delwin(main_window);
1592 clear();
1593 refresh();
1594 endwin();
1595 return 0;
1596}