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Diffstat (limited to 'scripts/kconfig/nconf.c')
| -rw-r--r-- | scripts/kconfig/nconf.c | 1568 |
1 files changed, 1568 insertions, 0 deletions
diff --git a/scripts/kconfig/nconf.c b/scripts/kconfig/nconf.c new file mode 100644 index 000000000000..762caf80ce37 --- /dev/null +++ b/scripts/kconfig/nconf.c @@ -0,0 +1,1568 @@ +/* + * Copyright (C) 2008 Nir Tzachar <nir.tzachar@gmail.com? + * Released under the terms of the GNU GPL v2.0. + * + * Derived from menuconfig. + * + */ +#define LKC_DIRECT_LINK +#include "lkc.h" +#include "nconf.h" + +static const char nconf_readme[] = N_( +"Overview\n" +"--------\n" +"Some kernel features may be built directly into the kernel.\n" +"Some may be made into loadable runtime modules. Some features\n" +"may be completely removed altogether. There are also certain\n" +"kernel parameters which are not really features, but must be\n" +"entered in as decimal or hexadecimal numbers or possibly text.\n" +"\n" +"Menu items beginning with following braces represent features that\n" +" [ ] can be built in or removed\n" +" < > can be built in, modularized or removed\n" +" { } can be built in or modularized (selected by other feature)\n" +" - - are selected by other feature,\n" +" XXX cannot be selected. use Symbol Info to find out why,\n" +"while *, M or whitespace inside braces means to build in, build as\n" +"a module or to exclude the feature respectively.\n" +"\n" +"To change any of these features, highlight it with the cursor\n" +"keys and press <Y> to build it in, <M> to make it a module or\n" +"<N> to removed it. You may also press the <Space Bar> to cycle\n" +"through the available options (ie. Y->N->M->Y).\n" +"\n" +"Some additional keyboard hints:\n" +"\n" +"Menus\n" +"----------\n" +"o Use the Up/Down arrow keys (cursor keys) to highlight the item\n" +" you wish to change use <Enter> or <Space>. Goto submenu by \n" +" pressing <Enter> of <right-arrow>. Use <Esc> or <left-arrow> to go back.\n" +" Submenus are designated by \"--->\".\n" +"\n" +" Shortcut: Press the option's highlighted letter (hotkey).\n" +" Pressing a hotkey more than once will sequence\n" +" through all visible items which use that hotkey.\n" +"\n" +" You may also use the <PAGE UP> and <PAGE DOWN> keys to scroll\n" +" unseen options into view.\n" +"\n" +"o To exit a menu use the just press <ESC> <F5> <F8> or <left-arrow>.\n" +"\n" +"o To get help with an item, press <F1>\n" +" Shortcut: Press <h> or <?>.\n" +"\n" +"\n" +"Radiolists (Choice lists)\n" +"-----------\n" +"o Use the cursor keys to select the option you wish to set and press\n" +" <S> or the <SPACE BAR>.\n" +"\n" +" Shortcut: Press the first letter of the option you wish to set then\n" +" press <S> or <SPACE BAR>.\n" +"\n" +"o To see available help for the item, press <F1>\n" +" Shortcut: Press <H> or <?>.\n" +"\n" +"\n" +"Data Entry\n" +"-----------\n" +"o Enter the requested information and press <ENTER>\n" +" If you are entering hexadecimal values, it is not necessary to\n" +" add the '0x' prefix to the entry.\n" +"\n" +"o For help, press <F1>.\n" +"\n" +"\n" +"Text Box (Help Window)\n" +"--------\n" +"o Use the cursor keys to scroll up/down/left/right. The VI editor\n" +" keys h,j,k,l function here as do <SPACE BAR> for those\n" +" who are familiar with less and lynx.\n" +"\n" +"o Press <Enter>, <F1>, <F5>, <F7> or <Esc> to exit.\n" +"\n" +"\n" +"Alternate Configuration Files\n" +"-----------------------------\n" +"nconfig supports the use of alternate configuration files for\n" +"those who, for various reasons, find it necessary to switch\n" +"between different kernel configurations.\n" +"\n" +"At the end of the main menu you will find two options. One is\n" +"for saving the current configuration to a file of your choosing.\n" +"The other option is for loading a previously saved alternate\n" +"configuration.\n" +"\n" +"Even if you don't use alternate configuration files, but you\n" +"find during a nconfig session that you have completely messed\n" +"up your settings, you may use the \"Load Alternate...\" option to\n" +"restore your previously saved settings from \".config\" without\n" +"restarting nconfig.\n" +"\n" +"Other information\n" +"-----------------\n" +"If you use nconfig in an XTERM window make sure you have your\n" +"$TERM variable set to point to a xterm definition which supports color.\n" +"Otherwise, nconfig will look rather bad. nconfig will not\n" +"display correctly in a RXVT window because rxvt displays only one\n" +"intensity of color, bright.\n" +"\n" +"nconfig will display larger menus on screens or xterms which are\n" +"set to display more than the standard 25 row by 80 column geometry.\n" +"In order for this to work, the \"stty size\" command must be able to\n" +"display the screen's current row and column geometry. I STRONGLY\n" +"RECOMMEND that you make sure you do NOT have the shell variables\n" +"LINES and COLUMNS exported into your environment. Some distributions\n" +"export those variables via /etc/profile. Some ncurses programs can\n" +"become confused when those variables (LINES & COLUMNS) don't reflect\n" +"the true screen size.\n" +"\n" +"Optional personality available\n" +"------------------------------\n" +"If you prefer to have all of the kernel options listed in a single\n" +"menu, rather than the default multimenu hierarchy, run the nconfig\n" +"with NCONFIG_MODE environment variable set to single_menu. Example:\n" +"\n" +"make NCONFIG_MODE=single_menu nconfig\n" +"\n" +"<Enter> will then unroll the appropriate category, or enfold it if it\n" +"is already unrolled.\n" +"\n" +"Note that this mode can eventually be a little more CPU expensive\n" +"(especially with a larger number of unrolled categories) than the\n" +"default mode.\n" +"\n"), +menu_no_f_instructions[] = N_( +" You do not have function keys support. Please follow the\n" +" following instructions:\n" +" Arrow keys navigate the menu.\n" +" <Enter> or <right-arrow> selects submenus --->.\n" +" Capital Letters are hotkeys.\n" +" Pressing <Y> includes, <N> excludes, <M> modularizes features.\n" +" Pressing SpaceBar toggles between the above options\n" +" Press <Esc> or <left-arrow> to go back one menu, \n" +" <?> or <h> for Help, </> for Search.\n" +" <1> is interchangable with <F1>, <2> with <F2>, etc.\n" +" Legend: [*] built-in [ ] excluded <M> module < > module capable.\n" +" <Esc> always leaves the current window\n"), +menu_instructions[] = N_( +" Arrow keys navigate the menu.\n" +" <Enter> or <right-arrow> selects submenus --->.\n" +" Capital Letters are hotkeys.\n" +" Pressing <Y> includes, <N> excludes, <M> modularizes features.\n" +" Pressing SpaceBar toggles between the above options\n" +" Press <Esc>, <F3> or <left-arrow> to go back one menu, \n" +" <?>, <F1> or <h> for Help, </> for Search.\n" +" <1> is interchangable with <F1>, <2> with <F2>, etc.\n" +" Legend: [*] built-in [ ] excluded <M> module < > module capable.\n" +" <Esc> always leaves the current window\n"), +radiolist_instructions[] = N_( +" Use the arrow keys to navigate this window or\n" +" press the hotkey of the item you wish to select\n" +" followed by the <SPACE BAR>.\n" +" Press <?>, <F1> or <h> for additional information about this option.\n"), +inputbox_instructions_int[] = N_( +"Please enter a decimal value.\n" +"Fractions will not be accepted.\n" +"Press <RETURN> to accept, <ESC> to cancel."), +inputbox_instructions_hex[] = N_( +"Please enter a hexadecimal value.\n" +"Press <RETURN> to accept, <ESC> to cancel."), +inputbox_instructions_string[] = N_( +"Please enter a string value.\n" +"Press <RETURN> to accept, <ESC> to cancel."), +setmod_text[] = N_( +"This feature depends on another which\n" +"has been configured as a module.\n" +"As a result, this feature will be built as a module."), +nohelp_text[] = N_( +"There is no help available for this kernel option.\n"), +load_config_text[] = N_( +"Enter the name of the configuration file you wish to load.\n" +"Accept the name shown to restore the configuration you\n" +"last retrieved. Leave blank to abort."), +load_config_help[] = N_( +"\n" +"For various reasons, one may wish to keep several different kernel\n" +"configurations available on a single machine.\n" +"\n" +"If you have saved a previous configuration in a file other than the\n" +"kernel's default, entering the name of the file here will allow you\n" +"to modify that configuration.\n" +"\n" +"If you are uncertain, then you have probably never used alternate\n" +"configuration files. You should therefor leave this blank to abort.\n"), +save_config_text[] = N_( +"Enter a filename to which this configuration should be saved\n" +"as an alternate. Leave blank to abort."), +save_config_help[] = N_( +"\n" +"For various reasons, one may wish to keep different kernel\n" +"configurations available on a single machine.\n" +"\n" +"Entering a file name here will allow you to later retrieve, modify\n" +"and use the current configuration as an alternate to whatever\n" +"configuration options you have selected at that time.\n" +"\n" +"If you are uncertain what all this means then you should probably\n" +"leave this blank.\n"), +search_help[] = N_( +"\n" +"Search for CONFIG_ symbols and display their relations.\n" +"Regular expressions are allowed.\n" +"Example: search for \"^FOO\"\n" +"Result:\n" +"-----------------------------------------------------------------\n" +"Symbol: FOO [ = m]\n" +"Prompt: Foo bus is used to drive the bar HW\n" +"Defined at drivers/pci/Kconfig:47\n" +"Depends on: X86_LOCAL_APIC && X86_IO_APIC || IA64\n" +"Location:\n" +" -> Bus options (PCI, PCMCIA, EISA, MCA, ISA)\n" +" -> PCI support (PCI [ = y])\n" +" -> PCI access mode (<choice> [ = y])\n" +"Selects: LIBCRC32\n" +"Selected by: BAR\n" +"-----------------------------------------------------------------\n" +"o The line 'Prompt:' shows the text used in the menu structure for\n" +" this CONFIG_ symbol\n" +"o The 'Defined at' line tell at what file / line number the symbol\n" +" is defined\n" +"o The 'Depends on:' line tell what symbols needs to be defined for\n" +" this symbol to be visible in the menu (selectable)\n" +"o The 'Location:' lines tell where in the menu structure this symbol\n" +" is located\n" +" A location followed by a [ = y] indicate that this is a selectable\n" +" menu item - and current value is displayed inside brackets.\n" +"o The 'Selects:' line tell what symbol will be automatically\n" +" selected if this symbol is selected (y or m)\n" +"o The 'Selected by' line tell what symbol has selected this symbol\n" +"\n" +"Only relevant lines are shown.\n" +"\n\n" +"Search examples:\n" +"Examples: USB = > find all CONFIG_ symbols containing USB\n" +" ^USB => find all CONFIG_ symbols starting with USB\n" +" USB$ => find all CONFIG_ symbols ending with USB\n" +"\n"); + +struct mitem { + char str[256]; + char tag; + void *usrptr; + int is_hot; + int is_visible; +}; + +#define MAX_MENU_ITEMS 4096 +static int show_all_items; +static int indent; +static struct menu *current_menu; +static int child_count; +static int single_menu_mode; +/* the window in which all information appears */ +static WINDOW *main_window; +/* the largest size of the menu window */ +static int mwin_max_lines; +static int mwin_max_cols; +/* the window in which we show option buttons */ +static MENU *curses_menu; +static ITEM *curses_menu_items[MAX_MENU_ITEMS]; +static struct mitem k_menu_items[MAX_MENU_ITEMS]; +static int items_num; +static int global_exit; +/* the currently selected button */ +const char *current_instructions = menu_instructions; +/* this array is used to implement hot keys. it is updated in item_make and + * resetted in clean_items. It would be better to use a hash, but lets keep it + * simple... */ +#define MAX_SAME_KEY MAX_MENU_ITEMS +struct { + int count; + int ptrs[MAX_MENU_ITEMS]; +} hotkeys[1<<(sizeof(char)*8)]; + +static void conf(struct menu *menu); +static void conf_choice(struct menu *menu); +static void conf_string(struct menu *menu); +static void conf_load(void); +static void conf_save(void); +static void show_help(struct menu *menu); +static int do_exit(void); +static void setup_windows(void); + +typedef void (*function_key_handler_t)(int *key, struct menu *menu); +static void handle_f1(int *key, struct menu *current_item); +static void handle_f2(int *key, struct menu *current_item); +static void handle_f3(int *key, struct menu *current_item); +static void handle_f4(int *key, struct menu *current_item); +static void handle_f5(int *key, struct menu *current_item); +static void handle_f6(int *key, struct menu *current_item); +static void handle_f7(int *key, struct menu *current_item); +static void handle_f8(int *key, struct menu *current_item); + +struct function_keys { + const char *key_str; + const char *func; + function_key key; + function_key_handler_t handler; +}; + +static const int function_keys_num = 8; +struct function_keys function_keys[] = { + { + .key_str = "F1", + .func = "Help", + .key = F_HELP, + .handler = handle_f1, + }, + { + .key_str = "F2", + .func = "Symbol Info", + .key = F_SYMBOL, + .handler = handle_f2, + }, + { + .key_str = "F3", + .func = "Instructions", + .key = F_INSTS, + .handler = handle_f3, + }, + { + .key_str = "F4", + .func = "Config", + .key = F_CONF, + .handler = handle_f4, + }, + { + .key_str = "F5", + .func = "Back", + .key = F_BACK, + .handler = handle_f5, + }, + { + .key_str = "F6", + .func = "Save", + .key = F_SAVE, + .handler = handle_f6, + }, + { + .key_str = "F7", + .func = "Load", + .key = F_LOAD, + .handler = handle_f7, + }, + { + .key_str = "F8", + .func = "Exit", + .key = F_EXIT, + .handler = handle_f8, + }, +}; + +static void print_function_line(void) +{ + int i; + int offset = 1; + const int skip = 1; + + for (i = 0; i < function_keys_num; i++) { + wattrset(main_window, attributes[FUNCTION_HIGHLIGHT]); + mvwprintw(main_window, LINES-3, offset, + "%s", + function_keys[i].key_str); + wattrset(main_window, attributes[FUNCTION_TEXT]); + offset += strlen(function_keys[i].key_str); + mvwprintw(main_window, LINES-3, + offset, "%s", + function_keys[i].func); + offset += strlen(function_keys[i].func) + skip; + } + wattrset(main_window, attributes[NORMAL]); +} + +/* help */ +static void handle_f1(int *key, struct menu *current_item) +{ + show_scroll_win(main_window, + _("README"), _(nconf_readme)); + return; +} + +/* symbole help */ +static void handle_f2(int *key, struct menu *current_item) +{ + show_help(current_item); + return; +} + +/* instructions */ +static void handle_f3(int *key, struct menu *current_item) +{ + show_scroll_win(main_window, + _("Instructions"), + _(current_instructions)); + return; +} + +/* config */ +static void handle_f4(int *key, struct menu *current_item) +{ + int res = btn_dialog(main_window, + _("Show all symbols?"), + 2, + " <Show All> ", + "<Don't show all>"); + if (res == 0) + show_all_items = 1; + else if (res == 1) + show_all_items = 0; + + return; +} + +/* back */ +static void handle_f5(int *key, struct menu *current_item) +{ + *key = KEY_LEFT; + return; +} + +/* save */ +static void handle_f6(int *key, struct menu *current_item) +{ + conf_save(); + return; +} + +/* load */ +static void handle_f7(int *key, struct menu *current_item) +{ + conf_load(); + return; +} + +/* exit */ +static void handle_f8(int *key, struct menu *current_item) +{ + do_exit(); + return; +} + +/* return != 0 to indicate the key was handles */ +static int process_special_keys(int *key, struct menu *menu) +{ + int i; + + if (*key == KEY_RESIZE) { + setup_windows(); + return 1; + } + + for (i = 0; i < function_keys_num; i++) { + if (*key == KEY_F(function_keys[i].key) || + *key == '0' + function_keys[i].key){ + function_keys[i].handler(key, menu); + return 1; + } + } + + return 0; +} + +static void clean_items(void) +{ + int i; + for (i = 0; curses_menu_items[i]; i++) + free_item(curses_menu_items[i]); + bzero(curses_menu_items, sizeof(curses_menu_items)); + bzero(k_menu_items, sizeof(k_menu_items)); + bzero(hotkeys, sizeof(hotkeys)); + items_num = 0; +} + +/* return the index of the next hot item, or -1 if no such item exists */ +static int get_next_hot(int c) +{ + static int hot_index; + static int hot_char; + + if (c < 0 || c > 255 || hotkeys[c].count <= 0) + return -1; + + if (hot_char == c) { + hot_index = (hot_index+1)%hotkeys[c].count; + return hotkeys[c].ptrs[hot_index]; + } else { + hot_char = c; + hot_index = 0; + return hotkeys[c].ptrs[0]; + } +} + +/* can the char c be a hot key? no, if c is a common shortcut used elsewhere */ +static int canbhot(char c) +{ + c = tolower(c); + return isalnum(c) && c != 'y' && c != 'm' && c != 'h' && + c != 'n' && c != '?'; +} + +/* check if str already contains a hot key. */ +static int is_hot(int index) +{ + return k_menu_items[index].is_hot; +} + +/* find the first possible hot key, and mark it. + * index is the index of the item in the menu + * return 0 on success*/ +static int make_hot(char *dest, int len, const char *org, int index) +{ + int position = -1; + int i; + int tmp; + int c; + int org_len = strlen(org); + + if (org == NULL || is_hot(index)) + return 1; + + /* make sure not to make hot keys out of markers. + * find where to start looking for a hot key + */ + i = 0; + /* skip white space */ + while (i < org_len && org[i] == ' ') + i++; + if (i == org_len) + return -1; + /* if encountering '(' or '<' or '[', find the match and look from there + **/ + if (org[i] == '[' || org[i] == '<' || org[i] == '(') { + i++; + for (; i < org_len; i++) + if (org[i] == ']' || org[i] == '>' || org[i] == ')') + break; + } + if (i == org_len) + return -1; + for (; i < org_len; i++) { + if (canbhot(org[i]) && org[i-1] != '<' && org[i-1] != '(') { + position = i; + break; + } + } + if (position == -1) + return 1; + + /* ok, char at org[position] should be a hot key to this item */ + c = tolower(org[position]); + tmp = hotkeys[c].count; + hotkeys[c].ptrs[tmp] = index; + hotkeys[c].count++; + /* + snprintf(dest, len, "%.*s(%c)%s", position, org, org[position], + &org[position+1]); + */ + /* make org[position] uppercase, and all leading letter small case */ + strncpy(dest, org, len); + for (i = 0; i < position; i++) + dest[i] = tolower(dest[i]); + dest[position] = toupper(dest[position]); + k_menu_items[index].is_hot = 1; + return 0; +} + +/* Make a new item. Add a hotkey mark in the first possible letter. + * As ncurses does not allow any attributes inside menue item, we mark the + * hot key as the first capitalized letter in the string */ +static void item_make(struct menu *menu, char tag, const char *fmt, ...) +{ + va_list ap; + char tmp_str[256]; + + if (items_num > MAX_MENU_ITEMS-1) + return; + + bzero(&k_menu_items[items_num], sizeof(k_menu_items[0])); + k_menu_items[items_num].tag = tag; + k_menu_items[items_num].usrptr = menu; + if (menu != NULL) + k_menu_items[items_num].is_visible = + menu_is_visible(menu); + else + k_menu_items[items_num].is_visible = 1; + + va_start(ap, fmt); + vsnprintf(tmp_str, sizeof(tmp_str), fmt, ap); + if (!k_menu_items[items_num].is_visible) + memcpy(tmp_str, "XXX", 3); + va_end(ap); + if (make_hot( + k_menu_items[items_num].str, + sizeof(k_menu_items[items_num].str), tmp_str, items_num) != 0) + strncpy(k_menu_items[items_num].str, + tmp_str, + sizeof(k_menu_items[items_num].str)); + + curses_menu_items[items_num] = new_item( + k_menu_items[items_num].str, + k_menu_items[items_num].str); + set_item_userptr(curses_menu_items[items_num], + &k_menu_items[items_num]); + /* + if (!k_menu_items[items_num].is_visible) + item_opts_off(curses_menu_items[items_num], O_SELECTABLE); + */ + + items_num++; + curses_menu_items[items_num] = NULL; +} + +/* very hackish. adds a string to the last item added */ +static void item_add_str(const char *fmt, ...) +{ + va_list ap; + int index = items_num-1; + char new_str[256]; + char tmp_str[256]; + + if (index < 0) + return; + + va_start(ap, fmt); + vsnprintf(new_str, sizeof(new_str), fmt, ap); + va_end(ap); + snprintf(tmp_str, sizeof(tmp_str), "%s%s", + k_menu_items[index].str, new_str); + if (make_hot(k_menu_items[index].str, + sizeof(k_menu_items[index].str), tmp_str, index) != 0) + strncpy(k_menu_items[index].str, + tmp_str, + sizeof(k_menu_items[index].str)); + + free_item(curses_menu_items[index]); + curses_menu_items[index] = new_item( + k_menu_items[index].str, + k_menu_items[index].str); + set_item_userptr(curses_menu_items[index], + &k_menu_items[index]); +} + +/* get the tag of the currently selected item */ +static char item_tag(void) +{ + ITEM *cur; + struct mitem *mcur; + + cur = current_item(curses_menu); + if (cur == NULL) + return 0; + mcur = (struct mitem *) item_userptr(cur); + return mcur->tag; +} + +static int curses_item_index(void) +{ + return item_index(current_item(curses_menu)); +} + +static void *item_data(void) +{ + ITEM *cur; + struct mitem *mcur; + + cur = current_item(curses_menu); + mcur = (struct mitem *) item_userptr(cur); + return mcur->usrptr; + +} + +static int item_is_tag(char tag) +{ + return item_tag() == tag; +} + +static char filename[PATH_MAX+1]; +static char menu_backtitle[PATH_MAX+128]; +static const char *set_config_filename(const char *config_filename) +{ + int size; + struct symbol *sym; + + sym = sym_lookup("KERNELVERSION", 0); + sym_calc_value(sym); + size = snprintf(menu_backtitle, sizeof(menu_backtitle), + _("%s - Linux Kernel v%s Configuration"), + config_filename, sym_get_string_value(sym)); + if (size >= sizeof(menu_backtitle)) + menu_backtitle[sizeof(menu_backtitle)-1] = '\0'; + + size = snprintf(filename, sizeof(filename), "%s", config_filename); + if (size >= sizeof(filename)) + filename[sizeof(filename)-1] = '\0'; + return menu_backtitle; +} + +/* command = 0 is supress, 1 is restore */ +static void supress_stdout(int command) +{ + static FILE *org_stdout; + static FILE *org_stderr; + + if (command == 0) { + org_stdout = stdout; + org_stderr = stderr; + stdout = fopen("/dev/null", "a"); + stderr = fopen("/dev/null", "a"); + } else { + fclose(stdout); + fclose(stderr); + stdout = org_stdout; + stderr = org_stderr; + } +} + +/* return = 0 means we are successful. + * -1 means go on doing what you were doing + */ +static int do_exit(void) +{ + int res; + if (!conf_get_changed()) { + global_exit = 1; + return 0; + } + res = btn_dialog(main_window, + _("Do you wish to save your " + "new kernel configuration?\n" + "<ESC> to cancel and resume nconfig."), + 2, + " <save> ", + "<don't save>"); + if (res == KEY_EXIT) { + global_exit = 0; + return -1; + } + + /* if we got here, the user really wants to exit */ + switch (res) { + case 0: + supress_stdout(0); + res = conf_write(filename); + supress_stdout(1); + if (res) + btn_dialog( + main_window, + _("Error during writing of the kernel " + "configuration.\n" + "Your kernel configuration " + "changes were NOT saved."), + 1, + "<OK>"); + else { + char buf[1024]; + snprintf(buf, 1024, + _("Configuration written to %s\n" + "End of Linux kernel configuration.\n" + "Execute 'make' to build the kernel or try" + " 'make help'."), filename); + btn_dialog( + main_window, + buf, + 1, + "<OK>"); + } + break; + default: + btn_dialog( + main_window, + _("Your kernel configuration changes were NOT saved."), + 1, + "<OK>"); + break; + } + global_exit = 1; + return 0; +} + + +static void search_conf(void) +{ + struct symbol **sym_arr; + struct gstr res; + char dialog_input_result[100]; + char *dialog_input; + int dres; +again: + dres = dialog_inputbox(main_window, + _("Search Configuration Parameter"), + _("Enter CONFIG_ (sub)string to search for " + "(with or without \"CONFIG\")"), + "", dialog_input_result, 99); + switch (dres) { + case 0: + break; + case 1: + show_scroll_win(main_window, + _("Search Configuration"), search_help); + goto again; + default: + return; + } + + /* strip CONFIG_ if necessary */ + dialog_input = dialog_input_result; + if (strncasecmp(dialog_input_result, "CONFIG_", 7) == 0) + dialog_input += 7; + + sym_arr = sym_re_search(dialog_input); + res = get_relations_str(sym_arr); + free(sym_arr); + show_scroll_win(main_window, + _("Search Results"), str_get(&res)); + str_free(&res); +} + + +static void build_conf(struct menu *menu) +{ + struct symbol *sym; + struct property *prop; + struct menu *child; + int type, tmp, doint = 2; + tristate val; + char ch; + + if (!menu || (!show_all_items && !menu_is_visible(menu))) + return; + + sym = menu->sym; + prop = menu->prompt; + if (!sym) { + if (prop && menu != current_menu) { + const char *prompt = menu_get_prompt(menu); + enum prop_type ptype; + ptype = menu->prompt ? menu->prompt->type : P_UNKNOWN; + switch (ptype) { + case P_MENU: + child_count++; + prompt = _(prompt); + if (single_menu_mode) { + item_make(menu, 'm', + "%s%*c%s", + menu->data ? "-->" : "++>", + indent + 1, ' ', prompt); + } else + item_make(menu, 'm', + " %*c%s --->", + indent + 1, + ' ', prompt); + + if (single_menu_mode && menu->data) + goto conf_childs; + return; + case P_COMMENT: + if (prompt) { + child_count++; + item_make(menu, ':', + " %*c*** %s ***", + indent + 1, ' ', + _(prompt)); + } + break; + default: + if (prompt) { + child_count++; + item_make(menu, ':', "---%*c%s", + indent + 1, ' ', + _(prompt)); + } + } + } else + doint = 0; + goto conf_childs; + } + + type = sym_get_type(sym); + if (sym_is_choice(sym)) { + struct symbol *def_sym = sym_get_choice_value(sym); + struct menu *def_menu = NULL; + + child_count++; + for (child = menu->list; child; child = child->next) { + if (menu_is_visible(child) && child->sym == def_sym) + def_menu = child; + } + + val = sym_get_tristate_value(sym); + if (sym_is_changable(sym)) { + switch (type) { + case S_BOOLEAN: + item_make(menu, 't', "[%c]", + val == no ? ' ' : '*'); + break; + case S_TRISTATE: + switch (val) { + case yes: + ch = '*'; + break; + case mod: + ch = 'M'; + break; + default: + ch = ' '; + break; + } + item_make(menu, 't', "<%c>", ch); + break; + } + } else { + item_make(menu, def_menu ? 't' : ':', " "); + } + + item_add_str("%*c%s", indent + 1, + ' ', _(menu_get_prompt(menu))); + if (val == yes) { + if (def_menu) { + item_add_str(" (%s)", + _(menu_get_prompt(def_menu))); + item_add_str(" --->"); + if (def_menu->list) { + indent += 2; + build_conf(def_menu); + indent -= 2; + } + } + return; + } + } else { + if (menu == current_menu) { + item_make(menu, ':', + "---%*c%s", indent + 1, + ' ', _(menu_get_prompt(menu))); + goto conf_childs; + } + child_count++; + val = sym_get_tristate_value(sym); + if (sym_is_choice_value(sym) && val == yes) { + item_make(menu, ':', " "); + } else { + switch (type) { + case S_BOOLEAN: + if (sym_is_changable(sym)) + item_make(menu, 't', "[%c]", + val == no ? ' ' : '*'); + else + item_make(menu, 't', "-%c-", + val == no ? ' ' : '*'); + break; + case S_TRISTATE: + switch (val) { + case yes: + ch = '*'; + break; + case mod: + ch = 'M'; + break; + default: + ch = ' '; + break; + } + if (sym_is_changable(sym)) { + if (sym->rev_dep.tri == mod) + item_make(menu, + 't', "{%c}", ch); + else + item_make(menu, + 't', "<%c>", ch); + } else + item_make(menu, 't', "-%c-", ch); + break; + default: + tmp = 2 + strlen(sym_get_string_value(sym)); + item_make(menu, 's', " (%s)", + sym_get_string_value(sym)); + tmp = indent - tmp + 4; + if (tmp < 0) + tmp = 0; + item_add_str("%*c%s%s", tmp, ' ', + _(menu_get_prompt(menu)), + (sym_has_value(sym) || + !sym_is_changable(sym)) ? "" : + _(" (NEW)")); + goto conf_childs; + } + } + item_add_str("%*c%s%s", indent + 1, ' ', + _(menu_get_prompt(menu)), + (sym_has_value(sym) || !sym_is_changable(sym)) ? + "" : _(" (NEW)")); + if (menu->prompt && menu->prompt->type == P_MENU) { + item_add_str(" --->"); + return; + } + } + +conf_childs: + indent += doint; + for (child = menu->list; child; child = child->next) + build_conf(child); + indent -= doint; +} + +static void reset_menu(void) +{ + unpost_menu(curses_menu); + clean_items(); +} + +/* adjust the menu to show this item. + * prefer not to scroll the menu if possible*/ +static void center_item(int selected_index, int *last_top_row) +{ + int toprow; + int maxy, maxx; + + scale_menu(curses_menu, &maxy, &maxx); + set_top_row(curses_menu, *last_top_row); + toprow = top_row(curses_menu); + if (selected_index >= toprow && selected_index < toprow+maxy) { + /* we can only move the selected item. no need to scroll */ + set_current_item(curses_menu, + curses_menu_items[selected_index]); + } else { + toprow = max(selected_index-maxy/2, 0); + if (toprow >= item_count(curses_menu)-maxy) + toprow = item_count(curses_menu)-mwin_max_lines; + set_top_row(curses_menu, toprow); + set_current_item(curses_menu, + curses_menu_items[selected_index]); + } + *last_top_row = toprow; + post_menu(curses_menu); + refresh_all_windows(main_window); +} + +/* this function assumes reset_menu has been called before */ +static void show_menu(const char *prompt, const char *instructions, + int selected_index, int *last_top_row) +{ + int maxx, maxy; + WINDOW *menu_window; + + current_instructions = instructions; + + clear(); + wattrset(main_window, attributes[NORMAL]); + print_in_middle(stdscr, 1, 0, COLS, + menu_backtitle, + attributes[MAIN_HEADING]); + + wattrset(main_window, attributes[MAIN_MENU_BOX]); + box(main_window, 0, 0); + wattrset(main_window, attributes[MAIN_MENU_HEADING]); + mvwprintw(main_window, 0, 3, " %s ", prompt); + wattrset(main_window, attributes[NORMAL]); + + set_menu_items(curses_menu, curses_menu_items); + + /* position the menu at the middle of the screen */ + scale_menu(curses_menu, &maxy, &maxx); + maxx = min(maxx, mwin_max_cols-2); + maxy = mwin_max_lines-2; + menu_window = derwin(main_window, + maxy, + maxx, + 2, + (mwin_max_cols-maxx)/2); + keypad(menu_window, TRUE); + set_menu_win(curses_menu, menu_window); + set_menu_sub(curses_menu, menu_window); + + /* must reassert this after changing items, otherwise returns to a + * default of 16 + */ + set_menu_format(curses_menu, maxy, 1); + center_item(selected_index, last_top_row); + set_menu_format(curses_menu, maxy, 1); + + print_function_line(); + + /* Post the menu */ + post_menu(curses_menu); + refresh_all_windows(main_window); +} + + +static void conf(struct menu *menu) +{ + char pattern[256]; + struct menu *submenu = 0; + const char *prompt = menu_get_prompt(menu); + struct symbol *sym; + struct menu *active_menu = NULL; + int res; + int current_index = 0; + int last_top_row = 0; + + bzero(pattern, sizeof(pattern)); + + while (!global_exit) { + reset_menu(); + current_menu = menu; + build_conf(menu); + if (!child_count) + break; + + show_menu(prompt ? _(prompt) : _("Main Menu"), + _(menu_instructions), + current_index, &last_top_row); + keypad((menu_win(curses_menu)), TRUE); + while (!global_exit && (res = wgetch(menu_win(curses_menu)))) { + if (process_special_keys(&res, + (struct menu *) item_data())) + break; + switch (res) { + case KEY_DOWN: + menu_driver(curses_menu, REQ_DOWN_ITEM); + break; + case KEY_UP: + menu_driver(curses_menu, REQ_UP_ITEM); + break; + case KEY_NPAGE: + menu_driver(curses_menu, REQ_SCR_DPAGE); + break; + case KEY_PPAGE: + menu_driver(curses_menu, REQ_SCR_UPAGE); + break; + case KEY_HOME: + menu_driver(curses_menu, REQ_FIRST_ITEM); + break; + case KEY_END: + menu_driver(curses_menu, REQ_LAST_ITEM); + break; + case 'h': + case '?': + show_help((struct menu *) item_data()); + break; + } + if (res == 10 || res == 27 || + res == 32 || res == 'n' || res == 'y' || + res == KEY_LEFT || res == KEY_RIGHT || + res == 'm' || res == '/') + break; + else if (canbhot(res)) { + /* check for hot keys: */ + int tmp = get_next_hot(res); + if (tmp != -1) + center_item(tmp, &last_top_row); + } + refresh_all_windows(main_window); + } + + refresh_all_windows(main_window); + /* if ESC or left*/ + if (res == 27 || (menu != &rootmenu && res == KEY_LEFT)) + break; + + /* remember location in the menu */ + last_top_row = top_row(curses_menu); + current_index = curses_item_index(); + + if (!item_tag()) + continue; + + submenu = (struct menu *) item_data(); + active_menu = (struct menu *)item_data(); + if (!submenu || !menu_is_visible(submenu)) + continue; + if (submenu) + sym = submenu->sym; + else + sym = NULL; + + switch (res) { + case ' ': + if (item_is_tag('t')) + sym_toggle_tristate_value(sym); + else if (item_is_tag('m')) + conf(submenu); + break; + case KEY_RIGHT: + case 10: /* ENTER WAS PRESSED */ + switch (item_tag()) { + case 'm': + if (single_menu_mode) + submenu->data = + (void *) (long) !submenu->data; + else + conf(submenu); + break; + case 't': + if (sym_is_choice(sym) && + sym_get_tristate_value(sym) == yes) + conf_choice(submenu); + else if (submenu->prompt && + submenu->prompt->type == P_MENU) + conf(submenu); + else if (res == 10) + sym_toggle_tristate_value(sym); + break; + case 's': + conf_string(submenu); + break; + } + break; + case 'y': + if (item_is_tag('t')) { + if (sym_set_tristate_value(sym, yes)) + break; + if (sym_set_tristate_value(sym, mod)) + btn_dialog(main_window, setmod_text, 0); + } + break; + case 'n': + if (item_is_tag('t')) + sym_set_tristate_value(sym, no); + break; + case 'm': + if (item_is_tag('t')) + sym_set_tristate_value(sym, mod); + break; + case '/': + search_conf(); + break; + } + } +} + +static void show_help(struct menu *menu) +{ + struct gstr help = str_new(); + + if (menu && menu->sym && menu_has_help(menu)) { + if (menu->sym->name) { + str_printf(&help, "CONFIG_%s:\n\n", menu->sym->name); + str_append(&help, _(menu_get_help(menu))); + str_append(&help, "\n"); + get_symbol_str(&help, menu->sym); + } + } else { + str_append(&help, nohelp_text); + } + show_scroll_win(main_window, _(menu_get_prompt(menu)), str_get(&help)); + str_free(&help); +} + +static void conf_choice(struct menu *menu) +{ + const char *prompt = _(menu_get_prompt(menu)); + struct menu *child = 0; + struct symbol *active; + int selected_index = 0; + int last_top_row = 0; + int res, i = 0; + + active = sym_get_choice_value(menu->sym); + /* this is mostly duplicated from the conf() function. */ + while (!global_exit) { + reset_menu(); + + for (i = 0, child = menu->list; child; child = child->next) { + if (!show_all_items && !menu_is_visible(child)) + continue; + + if (child->sym == sym_get_choice_value(menu->sym)) + item_make(child, ':', "<X> %s", + _(menu_get_prompt(child))); + else + item_make(child, ':', " %s", + _(menu_get_prompt(child))); + if (child->sym == active){ + last_top_row = top_row(curses_menu); + selected_index = i; + } + i++; + } + show_menu(prompt ? _(prompt) : _("Choice Menu"), + _(radiolist_instructions), + selected_index, + &last_top_row); + while (!global_exit && (res = wgetch(menu_win(curses_menu)))) { + if (process_special_keys( + &res, + (struct menu *) item_data())) + break; + switch (res) { + case KEY_DOWN: + menu_driver(curses_menu, REQ_DOWN_ITEM); + break; + case KEY_UP: + menu_driver(curses_menu, REQ_UP_ITEM); + break; + case KEY_NPAGE: + menu_driver(curses_menu, REQ_SCR_DPAGE); + break; + case KEY_PPAGE: + menu_driver(curses_menu, REQ_SCR_UPAGE); + break; + case KEY_HOME: + menu_driver(curses_menu, REQ_FIRST_ITEM); + break; + case KEY_END: + menu_driver(curses_menu, REQ_LAST_ITEM); + break; + case 'h': + case '?': + show_help((struct menu *) item_data()); + break; + } + if (res == 10 || res == 27 || res == ' ' || + res == KEY_LEFT) + break; + else if (canbhot(res)) { + /* check for hot keys: */ + int tmp = get_next_hot(res); + if (tmp != -1) + center_item(tmp, &last_top_row); + } + refresh_all_windows(main_window); + } + /* if ESC or left */ + if (res == 27 || res == KEY_LEFT) + break; + + child = item_data(); + if (!child || !menu_is_visible(child)) + continue; + switch (res) { + case ' ': + case 10: + case KEY_RIGHT: + sym_set_tristate_value(child->sym, yes); + return; + case 'h': + case '?': + show_help(child); + active = child->sym; + break; + case KEY_EXIT: + return; + } + } +} + +static void conf_string(struct menu *menu) +{ + const char *prompt = menu_get_prompt(menu); + char dialog_input_result[256]; + + while (1) { + int res; + const char *heading; + + switch (sym_get_type(menu->sym)) { + case S_INT: + heading = _(inputbox_instructions_int); + break; + case S_HEX: + heading = _(inputbox_instructions_hex); + break; + case S_STRING: + heading = _(inputbox_instructions_string); + break; + default: + heading = _("Internal nconf error!"); + } + res = dialog_inputbox(main_window, + prompt ? _(prompt) : _("Main Menu"), + heading, + sym_get_string_value(menu->sym), + dialog_input_result, + sizeof(dialog_input_result)); + switch (res) { + case 0: + if (sym_set_string_value(menu->sym, + dialog_input_result)) + return; + btn_dialog(main_window, + _("You have made an invalid entry."), 0); + break; + case 1: + show_help(menu); + break; + case KEY_EXIT: + return; + } + } +} + +static void conf_load(void) +{ + char dialog_input_result[256]; + while (1) { + int res; + res = dialog_inputbox(main_window, + NULL, load_config_text, + filename, + dialog_input_result, + sizeof(dialog_input_result)); + switch (res) { + case 0: + if (!dialog_input_result[0]) + return; + if (!conf_read(dialog_input_result)) { + set_config_filename(dialog_input_result); + sym_set_change_count(1); + return; + } + btn_dialog(main_window, _("File does not exist!"), 0); + break; + case 1: + show_scroll_win(main_window, + _("Load Alternate Configuration"), + load_config_help); + break; + case KEY_EXIT: + return; + } + } +} + +static void conf_save(void) +{ + char dialog_input_result[256]; + while (1) { + int res; + res = dialog_inputbox(main_window, + NULL, save_config_text, + filename, + dialog_input_result, + sizeof(dialog_input_result)); + switch (res) { + case 0: + if (!dialog_input_result[0]) + return; + supress_stdout(0); + res = conf_write(dialog_input_result); + supress_stdout(1); + if (!res) { + char buf[1024]; + sprintf(buf, "%s %s", + _("configuration file saved to: "), + dialog_input_result); + btn_dialog(main_window, + buf, 1, "<OK>"); + set_config_filename(dialog_input_result); + return; + } + btn_dialog(main_window, _("Can't create file! " + "Probably a nonexistent directory."), + 1, "<OK>"); + break; + case 1: + show_scroll_win(main_window, + _("Save Alternate Configuration"), + save_config_help); + break; + case KEY_EXIT: + return; + } + } +} + +void setup_windows(void) +{ + if (main_window != NULL) + delwin(main_window); + + /* set up the menu and menu window */ + main_window = newwin(LINES-2, COLS-2, 2, 1); + keypad(main_window, TRUE); + mwin_max_lines = LINES-6; + mwin_max_cols = COLS-6; + + /* panels order is from bottom to top */ + new_panel(main_window); +} + +int main(int ac, char **av) +{ + char *mode; + + setlocale(LC_ALL, ""); + bindtextdomain(PACKAGE, LOCALEDIR); + textdomain(PACKAGE); + + conf_parse(av[1]); + conf_read(NULL); + + mode = getenv("NCONFIG_MODE"); + if (mode) { + if (!strcasecmp(mode, "single_menu")) + single_menu_mode = 1; + } + + /* Initialize curses */ + initscr(); + /* set color theme */ + set_colors(); + + cbreak(); + noecho(); + keypad(stdscr, TRUE); + curs_set(0); + + if (COLS < 75 || LINES < 20) { + endwin(); + printf("Your terminal should have at " + "least 20 lines and 75 columns\n"); + return 1; + } + + notimeout(stdscr, FALSE); + ESCDELAY = 1; + + /* set btns menu */ + curses_menu = new_menu(curses_menu_items); + menu_opts_off(curses_menu, O_SHOWDESC); + menu_opts_off(curses_menu, O_SHOWMATCH); + menu_opts_on(curses_menu, O_ONEVALUE); + menu_opts_on(curses_menu, O_NONCYCLIC); + set_menu_mark(curses_menu, " "); + set_menu_fore(curses_menu, attributes[MAIN_MENU_FORE]); + set_menu_back(curses_menu, attributes[MAIN_MENU_BACK]); + set_menu_grey(curses_menu, attributes[MAIN_MENU_GREY]); + + set_config_filename(conf_get_configname()); + setup_windows(); + + /* check for KEY_FUNC(1) */ + if (has_key(KEY_F(1)) == FALSE) { + show_scroll_win(main_window, + _("Instructions"), + _(menu_no_f_instructions)); + } + + + + /* do the work */ + while (!global_exit) { + conf(&rootmenu); + if (!global_exit && do_exit() == 0) + break; + } + /* ok, we are done */ + unpost_menu(curses_menu); + free_menu(curses_menu); + delwin(main_window); + clear(); + refresh(); + endwin(); + return 0; +} + |