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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 "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 conf_write_autoconf(0);
678 break;
679 default:
680 btn_dialog(
681 main_window,
682 "Your configuration changes were NOT saved.",
683 1,
684 "<OK>");
685 break;
686 }
687 global_exit = 1;
688 return 0;
689}
690
691
692static void search_conf(void)
693{
694 struct symbol **sym_arr;
695 struct gstr res;
696 struct gstr title;
697 char *dialog_input;
698 int dres;
699
700 title = str_new();
701 str_printf( &title, "Enter (sub)string or regexp to search for "
702 "(with or without \"%s\")", CONFIG_);
703
704again:
705 dres = dialog_inputbox(main_window,
706 "Search Configuration Parameter",
707 str_get(&title),
708 "", &dialog_input_result, &dialog_input_result_len);
709 switch (dres) {
710 case 0:
711 break;
712 case 1:
713 show_scroll_win(main_window,
714 "Search Configuration", search_help);
715 goto again;
716 default:
717 str_free(&title);
718 return;
719 }
720
721
722 dialog_input = dialog_input_result;
723 if (strncasecmp(dialog_input_result, CONFIG_, strlen(CONFIG_)) == 0)
724 dialog_input += strlen(CONFIG_);
725
726 sym_arr = sym_re_search(dialog_input);
727 res = get_relations_str(sym_arr, NULL);
728 free(sym_arr);
729 show_scroll_win(main_window,
730 "Search Results", str_get(&res));
731 str_free(&res);
732 str_free(&title);
733}
734
735
736static void build_conf(struct menu *menu)
737{
738 struct symbol *sym;
739 struct property *prop;
740 struct menu *child;
741 int type, tmp, doint = 2;
742 tristate val;
743 char ch;
744
745 if (!menu || (!show_all_items && !menu_is_visible(menu)))
746 return;
747
748 sym = menu->sym;
749 prop = menu->prompt;
750 if (!sym) {
751 if (prop && menu != current_menu) {
752 const char *prompt = menu_get_prompt(menu);
753 enum prop_type ptype;
754 ptype = menu->prompt ? menu->prompt->type : P_UNKNOWN;
755 switch (ptype) {
756 case P_MENU:
757 child_count++;
758 prompt = prompt;
759 if (single_menu_mode) {
760 item_make(menu, 'm',
761 "%s%*c%s",
762 menu->data ? "-->" : "++>",
763 indent + 1, ' ', prompt);
764 } else
765 item_make(menu, 'm',
766 " %*c%s %s",
767 indent + 1, ' ', prompt,
768 menu_is_empty(menu) ? "----" : "--->");
769
770 if (single_menu_mode && menu->data)
771 goto conf_childs;
772 return;
773 case P_COMMENT:
774 if (prompt) {
775 child_count++;
776 item_make(menu, ':',
777 " %*c*** %s ***",
778 indent + 1, ' ',
779 prompt);
780 }
781 break;
782 default:
783 if (prompt) {
784 child_count++;
785 item_make(menu, ':', "---%*c%s",
786 indent + 1, ' ',
787 prompt);
788 }
789 }
790 } else
791 doint = 0;
792 goto conf_childs;
793 }
794
795 type = sym_get_type(sym);
796 if (sym_is_choice(sym)) {
797 struct symbol *def_sym = sym_get_choice_value(sym);
798 struct menu *def_menu = NULL;
799
800 child_count++;
801 for (child = menu->list; child; child = child->next) {
802 if (menu_is_visible(child) && child->sym == def_sym)
803 def_menu = child;
804 }
805
806 val = sym_get_tristate_value(sym);
807 if (sym_is_changeable(sym)) {
808 switch (type) {
809 case S_BOOLEAN:
810 item_make(menu, 't', "[%c]",
811 val == no ? ' ' : '*');
812 break;
813 case S_TRISTATE:
814 switch (val) {
815 case yes:
816 ch = '*';
817 break;
818 case mod:
819 ch = 'M';
820 break;
821 default:
822 ch = ' ';
823 break;
824 }
825 item_make(menu, 't', "<%c>", ch);
826 break;
827 }
828 } else {
829 item_make(menu, def_menu ? 't' : ':', " ");
830 }
831
832 item_add_str("%*c%s", indent + 1,
833 ' ', menu_get_prompt(menu));
834 if (val == yes) {
835 if (def_menu) {
836 item_add_str(" (%s)",
837 menu_get_prompt(def_menu));
838 item_add_str(" --->");
839 if (def_menu->list) {
840 indent += 2;
841 build_conf(def_menu);
842 indent -= 2;
843 }
844 }
845 return;
846 }
847 } else {
848 if (menu == current_menu) {
849 item_make(menu, ':',
850 "---%*c%s", indent + 1,
851 ' ', menu_get_prompt(menu));
852 goto conf_childs;
853 }
854 child_count++;
855 val = sym_get_tristate_value(sym);
856 if (sym_is_choice_value(sym) && val == yes) {
857 item_make(menu, ':', " ");
858 } else {
859 switch (type) {
860 case S_BOOLEAN:
861 if (sym_is_changeable(sym))
862 item_make(menu, 't', "[%c]",
863 val == no ? ' ' : '*');
864 else
865 item_make(menu, 't', "-%c-",
866 val == no ? ' ' : '*');
867 break;
868 case S_TRISTATE:
869 switch (val) {
870 case yes:
871 ch = '*';
872 break;
873 case mod:
874 ch = 'M';
875 break;
876 default:
877 ch = ' ';
878 break;
879 }
880 if (sym_is_changeable(sym)) {
881 if (sym->rev_dep.tri == mod)
882 item_make(menu,
883 't', "{%c}", ch);
884 else
885 item_make(menu,
886 't', "<%c>", ch);
887 } else
888 item_make(menu, 't', "-%c-", ch);
889 break;
890 default:
891 tmp = 2 + strlen(sym_get_string_value(sym));
892 item_make(menu, 's', " (%s)",
893 sym_get_string_value(sym));
894 tmp = indent - tmp + 4;
895 if (tmp < 0)
896 tmp = 0;
897 item_add_str("%*c%s%s", tmp, ' ',
898 menu_get_prompt(menu),
899 (sym_has_value(sym) ||
900 !sym_is_changeable(sym)) ? "" :
901 " (NEW)");
902 goto conf_childs;
903 }
904 }
905 item_add_str("%*c%s%s", indent + 1, ' ',
906 menu_get_prompt(menu),
907 (sym_has_value(sym) || !sym_is_changeable(sym)) ?
908 "" : " (NEW)");
909 if (menu->prompt && menu->prompt->type == P_MENU) {
910 item_add_str(" %s", menu_is_empty(menu) ? "----" : "--->");
911 return;
912 }
913 }
914
915conf_childs:
916 indent += doint;
917 for (child = menu->list; child; child = child->next)
918 build_conf(child);
919 indent -= doint;
920}
921
922static void reset_menu(void)
923{
924 unpost_menu(curses_menu);
925 clean_items();
926}
927
928
929
930static void center_item(int selected_index, int *last_top_row)
931{
932 int toprow;
933
934 set_top_row(curses_menu, *last_top_row);
935 toprow = top_row(curses_menu);
936 if (selected_index < toprow ||
937 selected_index >= toprow+mwin_max_lines) {
938 toprow = max(selected_index-mwin_max_lines/2, 0);
939 if (toprow >= item_count(curses_menu)-mwin_max_lines)
940 toprow = item_count(curses_menu)-mwin_max_lines;
941 set_top_row(curses_menu, toprow);
942 }
943 set_current_item(curses_menu,
944 curses_menu_items[selected_index]);
945 *last_top_row = toprow;
946 post_menu(curses_menu);
947 refresh_all_windows(main_window);
948}
949
950
951static void show_menu(const char *prompt, const char *instructions,
952 int selected_index, int *last_top_row)
953{
954 int maxx, maxy;
955 WINDOW *menu_window;
956
957 current_instructions = instructions;
958
959 clear();
960 (void) wattrset(main_window, attributes[NORMAL]);
961 print_in_middle(stdscr, 1, 0, getmaxx(stdscr),
962 menu_backtitle,
963 attributes[MAIN_HEADING]);
964
965 (void) wattrset(main_window, attributes[MAIN_MENU_BOX]);
966 box(main_window, 0, 0);
967 (void) wattrset(main_window, attributes[MAIN_MENU_HEADING]);
968 mvwprintw(main_window, 0, 3, " %s ", prompt);
969 (void) wattrset(main_window, attributes[NORMAL]);
970
971 set_menu_items(curses_menu, curses_menu_items);
972
973
974 scale_menu(curses_menu, &maxy, &maxx);
975 maxx = min(maxx, mwin_max_cols-2);
976 maxy = mwin_max_lines;
977 menu_window = derwin(main_window,
978 maxy,
979 maxx,
980 2,
981 (mwin_max_cols-maxx)/2);
982 keypad(menu_window, TRUE);
983 set_menu_win(curses_menu, menu_window);
984 set_menu_sub(curses_menu, menu_window);
985
986
987
988
989 set_menu_format(curses_menu, maxy, 1);
990 center_item(selected_index, last_top_row);
991 set_menu_format(curses_menu, maxy, 1);
992
993 print_function_line();
994
995
996 post_menu(curses_menu);
997 refresh_all_windows(main_window);
998}
999
1000static void adj_match_dir(match_f *match_direction)
1001{
1002 if (*match_direction == FIND_NEXT_MATCH_DOWN)
1003 *match_direction =
1004 MATCH_TINKER_PATTERN_DOWN;
1005 else if (*match_direction == FIND_NEXT_MATCH_UP)
1006 *match_direction =
1007 MATCH_TINKER_PATTERN_UP;
1008
1009}
1010
1011struct match_state
1012{
1013 int in_search;
1014 match_f match_direction;
1015 char pattern[256];
1016};
1017
1018
1019
1020
1021
1022static int do_match(int key, struct match_state *state, int *ans)
1023{
1024 char c = (char) key;
1025 int terminate_search = 0;
1026 *ans = -1;
1027 if (key == '/' || (state->in_search && key == 27)) {
1028 move(0, 0);
1029 refresh();
1030 clrtoeol();
1031 state->in_search = 1-state->in_search;
1032 bzero(state->pattern, sizeof(state->pattern));
1033 state->match_direction = MATCH_TINKER_PATTERN_DOWN;
1034 return 0;
1035 } else if (!state->in_search)
1036 return 1;
1037
1038 if (isalnum(c) || isgraph(c) || c == ' ') {
1039 state->pattern[strlen(state->pattern)] = c;
1040 state->pattern[strlen(state->pattern)] = '\0';
1041 adj_match_dir(&state->match_direction);
1042 *ans = get_mext_match(state->pattern,
1043 state->match_direction);
1044 } else if (key == KEY_DOWN) {
1045 state->match_direction = FIND_NEXT_MATCH_DOWN;
1046 *ans = get_mext_match(state->pattern,
1047 state->match_direction);
1048 } else if (key == KEY_UP) {
1049 state->match_direction = FIND_NEXT_MATCH_UP;
1050 *ans = get_mext_match(state->pattern,
1051 state->match_direction);
1052 } else if (key == KEY_BACKSPACE || key == 8 || key == 127) {
1053 state->pattern[strlen(state->pattern)-1] = '\0';
1054 adj_match_dir(&state->match_direction);
1055 } else
1056 terminate_search = 1;
1057
1058 if (terminate_search) {
1059 state->in_search = 0;
1060 bzero(state->pattern, sizeof(state->pattern));
1061 move(0, 0);
1062 refresh();
1063 clrtoeol();
1064 return -1;
1065 }
1066 return 0;
1067}
1068
1069static void conf(struct menu *menu)
1070{
1071 struct menu *submenu = NULL;
1072 const char *prompt = menu_get_prompt(menu);
1073 struct symbol *sym;
1074 int res;
1075 int current_index = 0;
1076 int last_top_row = 0;
1077 struct match_state match_state = {
1078 .in_search = 0,
1079 .match_direction = MATCH_TINKER_PATTERN_DOWN,
1080 .pattern = "",
1081 };
1082
1083 while (!global_exit) {
1084 reset_menu();
1085 current_menu = menu;
1086 build_conf(menu);
1087 if (!child_count)
1088 break;
1089
1090 show_menu(prompt ? prompt : "Main Menu",
1091 menu_instructions,
1092 current_index, &last_top_row);
1093 keypad((menu_win(curses_menu)), TRUE);
1094 while (!global_exit) {
1095 if (match_state.in_search) {
1096 mvprintw(0, 0,
1097 "searching: %s", match_state.pattern);
1098 clrtoeol();
1099 }
1100 refresh_all_windows(main_window);
1101 res = wgetch(menu_win(curses_menu));
1102 if (!res)
1103 break;
1104 if (do_match(res, &match_state, ¤t_index) == 0) {
1105 if (current_index != -1)
1106 center_item(current_index,
1107 &last_top_row);
1108 continue;
1109 }
1110 if (process_special_keys(&res,
1111 (struct menu *) item_data()))
1112 break;
1113 switch (res) {
1114 case KEY_DOWN:
1115 menu_driver(curses_menu, REQ_DOWN_ITEM);
1116 break;
1117 case KEY_UP:
1118 menu_driver(curses_menu, REQ_UP_ITEM);
1119 break;
1120 case KEY_NPAGE:
1121 menu_driver(curses_menu, REQ_SCR_DPAGE);
1122 break;
1123 case KEY_PPAGE:
1124 menu_driver(curses_menu, REQ_SCR_UPAGE);
1125 break;
1126 case KEY_HOME:
1127 menu_driver(curses_menu, REQ_FIRST_ITEM);
1128 break;
1129 case KEY_END:
1130 menu_driver(curses_menu, REQ_LAST_ITEM);
1131 break;
1132 case 'h':
1133 case '?':
1134 show_help((struct menu *) item_data());
1135 break;
1136 }
1137 if (res == 10 || res == 27 ||
1138 res == 32 || res == 'n' || res == 'y' ||
1139 res == KEY_LEFT || res == KEY_RIGHT ||
1140 res == 'm')
1141 break;
1142 refresh_all_windows(main_window);
1143 }
1144
1145 refresh_all_windows(main_window);
1146
1147 if (res == 27 || (menu != &rootmenu && res == KEY_LEFT))
1148 break;
1149
1150
1151 last_top_row = top_row(curses_menu);
1152 current_index = curses_item_index();
1153
1154 if (!item_tag())
1155 continue;
1156
1157 submenu = (struct menu *) item_data();
1158 if (!submenu || !menu_is_visible(submenu))
1159 continue;
1160 sym = submenu->sym;
1161
1162 switch (res) {
1163 case ' ':
1164 if (item_is_tag('t'))
1165 sym_toggle_tristate_value(sym);
1166 else if (item_is_tag('m'))
1167 conf(submenu);
1168 break;
1169 case KEY_RIGHT:
1170 case 10:
1171 switch (item_tag()) {
1172 case 'm':
1173 if (single_menu_mode)
1174 submenu->data =
1175 (void *) (long) !submenu->data;
1176 else
1177 conf(submenu);
1178 break;
1179 case 't':
1180 if (sym_is_choice(sym) &&
1181 sym_get_tristate_value(sym) == yes)
1182 conf_choice(submenu);
1183 else if (submenu->prompt &&
1184 submenu->prompt->type == P_MENU)
1185 conf(submenu);
1186 else if (res == 10)
1187 sym_toggle_tristate_value(sym);
1188 break;
1189 case 's':
1190 conf_string(submenu);
1191 break;
1192 }
1193 break;
1194 case 'y':
1195 if (item_is_tag('t')) {
1196 if (sym_set_tristate_value(sym, yes))
1197 break;
1198 if (sym_set_tristate_value(sym, mod))
1199 btn_dialog(main_window, setmod_text, 0);
1200 }
1201 break;
1202 case 'n':
1203 if (item_is_tag('t'))
1204 sym_set_tristate_value(sym, no);
1205 break;
1206 case 'm':
1207 if (item_is_tag('t'))
1208 sym_set_tristate_value(sym, mod);
1209 break;
1210 }
1211 }
1212}
1213
1214static void conf_message_callback(const char *s)
1215{
1216 btn_dialog(main_window, s, 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 = NULL;
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
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
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 1, "<OK>");
1444 break;
1445 case 1:
1446 show_scroll_win(main_window,
1447 "Save Alternate Configuration",
1448 save_config_help);
1449 break;
1450 case KEY_EXIT:
1451 return;
1452 }
1453 }
1454}
1455
1456static void setup_windows(void)
1457{
1458 int lines, columns;
1459
1460 getmaxyx(stdscr, lines, columns);
1461
1462 if (main_window != NULL)
1463 delwin(main_window);
1464
1465
1466 main_window = newwin(lines-2, columns-2, 2, 1);
1467 keypad(main_window, TRUE);
1468 mwin_max_lines = lines-7;
1469 mwin_max_cols = columns-6;
1470
1471
1472 new_panel(main_window);
1473}
1474
1475int main(int ac, char **av)
1476{
1477 int lines, columns;
1478 char *mode;
1479
1480 if (ac > 1 && strcmp(av[1], "-s") == 0) {
1481
1482 conf_set_message_callback(NULL);
1483 av++;
1484 }
1485 conf_parse(av[1]);
1486 conf_read(NULL);
1487
1488 mode = getenv("NCONFIG_MODE");
1489 if (mode) {
1490 if (!strcasecmp(mode, "single_menu"))
1491 single_menu_mode = 1;
1492 }
1493
1494
1495 initscr();
1496
1497 set_colors();
1498
1499 cbreak();
1500 noecho();
1501 keypad(stdscr, TRUE);
1502 curs_set(0);
1503
1504 getmaxyx(stdscr, lines, columns);
1505 if (columns < 75 || lines < 20) {
1506 endwin();
1507 printf("Your terminal should have at "
1508 "least 20 lines and 75 columns\n");
1509 return 1;
1510 }
1511
1512 notimeout(stdscr, FALSE);
1513#if NCURSES_REENTRANT
1514 set_escdelay(1);
1515#else
1516 ESCDELAY = 1;
1517#endif
1518
1519
1520 curses_menu = new_menu(curses_menu_items);
1521 menu_opts_off(curses_menu, O_SHOWDESC);
1522 menu_opts_on(curses_menu, O_SHOWMATCH);
1523 menu_opts_on(curses_menu, O_ONEVALUE);
1524 menu_opts_on(curses_menu, O_NONCYCLIC);
1525 menu_opts_on(curses_menu, O_IGNORECASE);
1526 set_menu_mark(curses_menu, " ");
1527 set_menu_fore(curses_menu, attributes[MAIN_MENU_FORE]);
1528 set_menu_back(curses_menu, attributes[MAIN_MENU_BACK]);
1529 set_menu_grey(curses_menu, attributes[MAIN_MENU_GREY]);
1530
1531 set_config_filename(conf_get_configname());
1532 setup_windows();
1533
1534
1535 if (has_key(KEY_F(1)) == FALSE) {
1536 show_scroll_win(main_window,
1537 "Instructions",
1538 menu_no_f_instructions);
1539 }
1540
1541 conf_set_message_callback(conf_message_callback);
1542
1543 while (!global_exit) {
1544 conf(&rootmenu);
1545 if (!global_exit && do_exit() == 0)
1546 break;
1547 }
1548
1549 unpost_menu(curses_menu);
1550 free_menu(curses_menu);
1551 delwin(main_window);
1552 clear();
1553 refresh();
1554 endwin();
1555 return 0;
1556}
1557
