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