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