--- /dev/null
+/*
+ * Copyright (C) 2008 Nir Tzachar <nir.tzachar@gmail.com?
+ * Released under the terms of the GNU GPL v2.0.
+ *
+ * Derived from menuconfig.
+ *
+ */
+#define _GNU_SOURCE
+#include <string.h>
+#include <stdlib.h>
+
+#include "lkc.h"
+#include "nconf.h"
+#include <ctype.h>
+
+static const char nconf_global_help[] = N_(
+"Help windows\n"
+"------------\n"
+"o Global help: Unless in a data entry window, pressing <F1> will give \n"
+" you the global help window, which you are just reading.\n"
+"\n"
+"o A short version of the global help is available by pressing <F3>.\n"
+"\n"
+"o Local help: To get help related to the current menu entry, use any\n"
+" of <?> <h>, or if in a data entry window then press <F1>.\n"
+"\n"
+"\n"
+"Menu entries\n"
+"------------\n"
+"This interface lets you select features and parameters for the kernel\n"
+"build. Kernel features can either be built-in, modularized, or removed.\n"
+"Parameters must be entered as text or decimal or hexadecimal numbers.\n"
+"\n"
+"Menu entries 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, are selected by another feature\n"
+" - - are selected by another feature\n"
+" XXX cannot be selected. Symbol Info <F2> tells you why.\n"
+"*, M or whitespace inside braces means to build in, build as a module\n"
+"or to exclude the feature respectively.\n"
+"\n"
+"To change any of these features, highlight it with the movement keys\n"
+"listed below and press <y> to build it in, <m> to make it a module or\n"
+"<n> to remove it. You may press the <Space> key to cycle through the\n"
+"available options.\n"
+"\n"
+"A trailing \"--->\" designates a submenu, a trailing \"----\" an\n"
+"empty submenu.\n"
+"\n"
+"Menu navigation keys\n"
+"----------------------------------------------------------------------\n"
+"Linewise up <Up>\n"
+"Linewise down <Down>\n"
+"Pagewise up <Page Up>\n"
+"Pagewise down <Page Down>\n"
+"First entry <Home>\n"
+"Last entry <End>\n"
+"Enter a submenu <Right> <Enter>\n"
+"Go back to parent menu <Left> <Esc> <F5>\n"
+"Close a help window <Enter> <Esc> <F5>\n"
+"Close entry window, apply <Enter>\n"
+"Close entry window, forget <Esc> <F5>\n"
+"Start incremental, case-insensitive search for STRING in menu entries,\n"
+" no regex support, STRING is displayed in upper left corner\n"
+" </>STRING\n"
+" Remove last character <Backspace>\n"
+" Jump to next hit <Down>\n"
+" Jump to previous hit <Up>\n"
+"Exit menu search mode </> <Esc>\n"
+"Search for configuration variables with or without leading CONFIG_\n"
+" <F8>RegExpr<Enter>\n"
+"Verbose search help <F8><F1>\n"
+"----------------------------------------------------------------------\n"
+"\n"
+"Unless in a data entry window, key <1> may be used instead of <F1>,\n"
+"<2> instead of <F2>, etc.\n"
+"\n"
+"\n"
+"Radiolist (Choice list)\n"
+"-----------------------\n"
+"Use the movement keys listed above to select the option you wish to set\n"
+"and press <Space>.\n"
+"\n"
+"\n"
+"Data entry\n"
+"----------\n"
+"Enter the requested information and press <Enter>. Hexadecimal values\n"
+"may be entered without the \"0x\" prefix.\n"
+"\n"
+"\n"
+"Text Box (Help Window)\n"
+"----------------------\n"
+"Use movement keys as listed in table above.\n"
+"\n"
+"Press any of <Enter> <Esc> <q> <F5> <F9> to exit.\n"
+"\n"
+"\n"
+"Alternate configuration files\n"
+"-----------------------------\n"
+"nconfig supports switching between different configurations.\n"
+"Press <F6> to save your current configuration. Press <F7> and enter\n"
+"a file name to load a previously saved configuration.\n"
+"\n"
+"\n"
+"Terminal configuration\n"
+"----------------------\n"
+"If you use nconfig in a xterm window, make sure your TERM environment\n"
+"variable specifies a terminal configuration which supports at least\n"
+"16 colors. Otherwise nconfig will look rather bad.\n"
+"\n"
+"If the \"stty size\" command reports the current terminalsize correctly,\n"
+"nconfig will adapt to sizes larger than the traditional 80x25 \"standard\"\n"
+"and display longer menus properly.\n"
+"\n"
+"\n"
+"Single menu mode\n"
+"----------------\n"
+"If you prefer to have all of the menu entries listed in a single menu,\n"
+"rather than the default multimenu hierarchy, run nconfig with\n"
+"NCONFIG_MODE environment variable set to single_menu. Example:\n"
+"\n"
+"make NCONFIG_MODE=single_menu nconfig\n"
+"\n"
+"<Enter> will then unfold the appropriate category, or fold it if it\n"
+"is already unfolded. Folded menu entries will be designated by a\n"
+"leading \"++>\" and unfolded entries by a leading \"-->\".\n"
+"\n"
+"Note that this mode can eventually be a little more CPU expensive than\n"
+"the default mode, especially with a larger number of unfolded submenus.\n"
+"\n"),
+menu_no_f_instructions[] = N_(
+"Legend: [*] built-in [ ] excluded <M> module < > module capable.\n"
+"Submenus are designated by a trailing \"--->\", empty ones by \"----\".\n"
+"\n"
+"Use the following keys to navigate the menus:\n"
+"Move up or down with <Up> and <Down>.\n"
+"Enter a submenu with <Enter> or <Right>.\n"
+"Exit a submenu to its parent menu with <Esc> or <Left>.\n"
+"Pressing <y> includes, <n> excludes, <m> modularizes features.\n"
+"Pressing <Space> cycles through the available options.\n"
+"To search for menu entries press </>.\n"
+"<Esc> always leaves the current window.\n"
+"\n"
+"You do not have function keys support.\n"
+"Press <1> instead of <F1>, <2> instead of <F2>, etc.\n"
+"For verbose global help use key <1>.\n"
+"For help related to the current menu entry press <?> or <h>.\n"),
+menu_instructions[] = N_(
+"Legend: [*] built-in [ ] excluded <M> module < > module capable.\n"
+"Submenus are designated by a trailing \"--->\", empty ones by \"----\".\n"
+"\n"
+"Use the following keys to navigate the menus:\n"
+"Move up or down with <Up> or <Down>.\n"
+"Enter a submenu with <Enter> or <Right>.\n"
+"Exit a submenu to its parent menu with <Esc> or <Left>.\n"
+"Pressing <y> includes, <n> excludes, <m> modularizes features.\n"
+"Pressing <Space> cycles through the available options.\n"
+"To search for menu entries press </>.\n"
+"<Esc> always leaves the current window.\n"
+"\n"
+"Pressing <1> may be used instead of <F1>, <2> instead of <F2>, etc.\n"
+"For verbose global help press <F1>.\n"
+"For help related to the current menu entry press <?> or <h>.\n"),
+radiolist_instructions[] = N_(
+"Press <Up>, <Down>, <Home> or <End> to navigate a radiolist, select\n"
+"with <Space>.\n"
+"For help related to the current entry press <?> or <h>.\n"
+"For global help press <F1>.\n"),
+inputbox_instructions_int[] = N_(
+"Please enter a decimal value.\n"
+"Fractions will not be accepted.\n"
+"Press <Enter> to apply, <Esc> to cancel."),
+inputbox_instructions_hex[] = N_(
+"Please enter a hexadecimal value.\n"
+"Press <Enter> to apply, <Esc> to cancel."),
+inputbox_instructions_string[] = N_(
+"Please enter a string value.\n"
+"Press <Enter> to apply, <Esc> to cancel."),
+setmod_text[] = N_(
+"This feature depends on another feature which has been configured as a\n"
+"module. As a result, the current feature will be built as a module too."),
+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 last\n"
+"retrieved. Leave empty to abort."),
+load_config_help[] = N_(
+"For various reasons, one may wish to keep several different\n"
+"configurations available on a single machine.\n"
+"\n"
+"If you have saved a previous configuration in a file other than the\n"
+"default one, entering its name here will allow you to load and modify\n"
+"that configuration.\n"
+"\n"
+"Leave empty to abort.\n"),
+save_config_text[] = N_(
+"Enter a filename to which this configuration should be saved\n"
+"as an alternate. Leave empty to abort."),
+save_config_help[] = N_(
+"For various reasons, one may wish to keep several different\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"
+"Leave empty to abort.\n"),
+search_help[] = N_(
+"Search for symbols (configuration variable names CONFIG_*) and display\n"
+"their relations. Regular expressions are supported.\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, 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 displayed for this symbol in\n"
+" the menu hierarchy.\n"
+"o The 'Defined at' line tells at what file / line number the symbol is\n"
+" defined.\n"
+"o The 'Depends on:' line lists symbols that need to be defined for\n"
+" this symbol to be visible and selectable in the menu.\n"
+"o The 'Location:' lines tell, where in the menu structure this symbol\n"
+" is located. A location followed by a [ = y] indicates that this is\n"
+" a selectable menu item, and the current value is displayed inside\n"
+" brackets.\n"
+"o The 'Selects:' line tells, what symbol will be automatically selected\n"
+" if this symbol is selected (y or m).\n"
+"o The 'Selected by' line tells what symbol has selected this symbol.\n"
+"\n"
+"Only relevant lines are shown.\n"
+"\n\n"
+"Search examples:\n"
+"USB => find all symbols containing USB\n"
+"^USB => find all symbols starting with USB\n"
+"USB$ => find all symbols ending with USB\n"
+"\n");
+
+struct mitem {
+ char str[256];
+ char tag;
+ void *usrptr;
+ 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;
+
+static char *dialog_input_result;
+static int dialog_input_result_len;
+
+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);
+static void search_conf(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);
+static void handle_f9(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 = 9;
+struct function_keys function_keys[] = {
+ {
+ .key_str = "F1",
+ .func = "Help",
+ .key = F_HELP,
+ .handler = handle_f1,
+ },
+ {
+ .key_str = "F2",
+ .func = "SymInfo",
+ .key = F_SYMBOL,
+ .handler = handle_f2,
+ },
+ {
+ .key_str = "F3",
+ .func = "Help 2",
+ .key = F_INSTS,
+ .handler = handle_f3,
+ },
+ {
+ .key_str = "F4",
+ .func = "ShowAll",
+ .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 = "SymSearch",
+ .key = F_SEARCH,
+ .handler = handle_f8,
+ },
+ {
+ .key_str = "F9",
+ .func = "Exit",
+ .key = F_EXIT,
+ .handler = handle_f9,
+ },
+};
+
+static void print_function_line(void)
+{
+ int i;
+ int offset = 1;
+ const int skip = 1;
+ int lines = getmaxy(stdscr);
+
+ for (i = 0; i < function_keys_num; i++) {
+ (void) wattrset(main_window, attributes[FUNCTION_HIGHLIGHT]);
+ mvwprintw(main_window, lines-3, offset,
+ "%s",
+ function_keys[i].key_str);
+ (void) 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;
+ }
+ (void) wattrset(main_window, attributes[NORMAL]);
+}
+
+/* help */
+static void handle_f1(int *key, struct menu *current_item)
+{
+ show_scroll_win(main_window,
+ _("Global help"), _(nconf_global_help));
+ 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,
+ _("Short help"),
+ _(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;
+}
+
+/* search */
+static void handle_f8(int *key, struct menu *current_item)
+{
+ search_conf();
+ return;
+}
+
+/* exit */
+static void handle_f9(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));
+ items_num = 0;
+}
+
+typedef enum {MATCH_TINKER_PATTERN_UP, MATCH_TINKER_PATTERN_DOWN,
+ FIND_NEXT_MATCH_DOWN, FIND_NEXT_MATCH_UP} match_f;
+
+/* return the index of the matched item, or -1 if no such item exists */
+static int get_mext_match(const char *match_str, match_f flag)
+{
+ int match_start = item_index(current_item(curses_menu));
+ int index;
+
+ if (flag == FIND_NEXT_MATCH_DOWN)
+ ++match_start;
+ else if (flag == FIND_NEXT_MATCH_UP)
+ --match_start;
+
+ index = match_start;
+ index = (index + items_num) % items_num;
+ while (true) {
+ char *str = k_menu_items[index].str;
+ if (strcasestr(str, match_str) != 0)
+ return index;
+ if (flag == FIND_NEXT_MATCH_UP ||
+ flag == MATCH_TINKER_PATTERN_UP)
+ --index;
+ else
+ ++index;
+ index = (index + items_num) % items_num;
+ if (index == match_start)
+ return -1;
+ }
+}
+
+/* Make a new item. */
+static void item_make(struct menu *menu, char tag, const char *fmt, ...)
+{
+ va_list ap;
+
+ 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(k_menu_items[items_num].str,
+ sizeof(k_menu_items[items_num].str),
+ fmt, ap);
+ va_end(ap);
+
+ if (!k_menu_items[items_num].is_visible)
+ memcpy(k_menu_items[items_num].str, "XXX", 3);
+
+ 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);
+ 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);
+ if (!cur)
+ return NULL;
+ 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;
+
+ size = snprintf(menu_backtitle, sizeof(menu_backtitle),
+ "%s - %s", config_filename, rootmenu.prompt->text);
+ 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;
+}
+
+/* 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 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:
+ res = conf_write(filename);
+ if (res)
+ btn_dialog(
+ main_window,
+ _("Error during writing of configuration.\n"
+ "Your configuration changes were NOT saved."),
+ 1,
+ "<OK>");
+ break;
+ default:
+ btn_dialog(
+ main_window,
+ _("Your 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;
+ struct gstr title;
+ char *dialog_input;
+ int dres;
+
+ title = str_new();
+ str_printf( &title, _("Enter (sub)string or regexp to search for "
+ "(with or without \"%s\")"), CONFIG_);
+
+again:
+ dres = dialog_inputbox(main_window,
+ _("Search Configuration Parameter"),
+ str_get(&title),
+ "", &dialog_input_result, &dialog_input_result_len);
+ switch (dres) {
+ case 0:
+ break;
+ case 1:
+ show_scroll_win(main_window,
+ _("Search Configuration"), search_help);
+ goto again;
+ default:
+ str_free(&title);
+ return;
+ }
+
+ /* strip the prefix if necessary */
+ dialog_input = dialog_input_result;
+ if (strncasecmp(dialog_input_result, CONFIG_, strlen(CONFIG_)) == 0)
+ dialog_input += strlen(CONFIG_);
+
+ sym_arr = sym_re_search(dialog_input);
+ res = get_relations_str(sym_arr, NULL);
+ free(sym_arr);
+ show_scroll_win(main_window,
+ _("Search Results"), str_get(&res));
+ str_free(&res);
+ str_free(&title);
+}
+
+
+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 %s",
+ indent + 1, ' ', prompt,
+ menu_is_empty(menu) ? "----" : "--->");
+
+ 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(" %s", menu_is_empty(menu) ? "----" : "--->");
+ 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;
+
+ set_top_row(curses_menu, *last_top_row);
+ toprow = top_row(curses_menu);
+ if (selected_index < toprow ||
+ selected_index >= toprow+mwin_max_lines) {
+ toprow = max(selected_index-mwin_max_lines/2, 0);
+ if (toprow >= item_count(curses_menu)-mwin_max_lines)
+ 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();
+ (void) wattrset(main_window, attributes[NORMAL]);
+ print_in_middle(stdscr, 1, 0, getmaxx(stdscr),
+ menu_backtitle,
+ attributes[MAIN_HEADING]);
+
+ (void) wattrset(main_window, attributes[MAIN_MENU_BOX]);
+ box(main_window, 0, 0);
+ (void) wattrset(main_window, attributes[MAIN_MENU_HEADING]);
+ mvwprintw(main_window, 0, 3, " %s ", prompt);
+ (void) 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;
+ 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 adj_match_dir(match_f *match_direction)
+{
+ if (*match_direction == FIND_NEXT_MATCH_DOWN)
+ *match_direction =
+ MATCH_TINKER_PATTERN_DOWN;
+ else if (*match_direction == FIND_NEXT_MATCH_UP)
+ *match_direction =
+ MATCH_TINKER_PATTERN_UP;
+ /* else, do no change.. */
+}
+
+struct match_state
+{
+ int in_search;
+ match_f match_direction;
+ char pattern[256];
+};
+
+/* Return 0 means I have handled the key. In such a case, ans should hold the
+ * item to center, or -1 otherwise.
+ * Else return -1 .
+ */
+static int do_match(int key, struct match_state *state, int *ans)
+{
+ char c = (char) key;
+ int terminate_search = 0;
+ *ans = -1;
+ if (key == '/' || (state->in_search && key == 27)) {
+ move(0, 0);
+ refresh();
+ clrtoeol();
+ state->in_search = 1-state->in_search;
+ bzero(state->pattern, sizeof(state->pattern));
+ state->match_direction = MATCH_TINKER_PATTERN_DOWN;
+ return 0;
+ } else if (!state->in_search)
+ return 1;
+
+ if (isalnum(c) || isgraph(c) || c == ' ') {
+ state->pattern[strlen(state->pattern)] = c;
+ state->pattern[strlen(state->pattern)] = '\0';
+ adj_match_dir(&state->match_direction);
+ *ans = get_mext_match(state->pattern,
+ state->match_direction);
+ } else if (key == KEY_DOWN) {
+ state->match_direction = FIND_NEXT_MATCH_DOWN;
+ *ans = get_mext_match(state->pattern,
+ state->match_direction);
+ } else if (key == KEY_UP) {
+ state->match_direction = FIND_NEXT_MATCH_UP;
+ *ans = get_mext_match(state->pattern,
+ state->match_direction);
+ } else if (key == KEY_BACKSPACE || key == 127) {
+ state->pattern[strlen(state->pattern)-1] = '\0';
+ adj_match_dir(&state->match_direction);
+ } else
+ terminate_search = 1;
+
+ if (terminate_search) {
+ state->in_search = 0;
+ bzero(state->pattern, sizeof(state->pattern));
+ move(0, 0);
+ refresh();
+ clrtoeol();
+ return -1;
+ }
+ return 0;
+}
+
+static void conf(struct menu *menu)
+{
+ struct menu *submenu = 0;
+ const char *prompt = menu_get_prompt(menu);
+ struct symbol *sym;
+ int res;
+ int current_index = 0;
+ int last_top_row = 0;
+ struct match_state match_state = {
+ .in_search = 0,
+ .match_direction = MATCH_TINKER_PATTERN_DOWN,
+ .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) {
+ if (match_state.in_search) {
+ mvprintw(0, 0,
+ "searching: %s", match_state.pattern);
+ clrtoeol();
+ }
+ refresh_all_windows(main_window);
+ res = wgetch(menu_win(curses_menu));
+ if (!res)
+ break;
+ if (do_match(res, &match_state, ¤t_index) == 0) {
+ if (current_index != -1)
+ center_item(current_index,
+ &last_top_row);
+ continue;
+ }
+ 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')
+ break;
+ 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();
+ if (!submenu || !menu_is_visible(submenu))
+ continue;
+ sym = submenu->sym;
+
+ 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;
+ }
+ }
+}
+
+static void conf_message_callback(const char *fmt, va_list ap)
+{
+ char buf[1024];
+
+ vsnprintf(buf, sizeof(buf), fmt, ap);
+ btn_dialog(main_window, buf, 1, "<OK>");
+}
+
+static void show_help(struct menu *menu)
+{
+ struct gstr help;
+
+ if (!menu)
+ return;
+
+ help = str_new();
+ menu_get_ext_help(menu, &help);
+ 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;
+ struct match_state match_state = {
+ .in_search = 0,
+ .match_direction = MATCH_TINKER_PATTERN_DOWN,
+ .pattern = "",
+ };
+
+ 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 if (child->sym)
+ item_make(child, ':', " %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) {
+ if (match_state.in_search) {
+ mvprintw(0, 0, "searching: %s",
+ match_state.pattern);
+ clrtoeol();
+ }
+ refresh_all_windows(main_window);
+ res = wgetch(menu_win(curses_menu));
+ if (!res)
+ break;
+ if (do_match(res, &match_state, &selected_index) == 0) {
+ if (selected_index != -1)
+ center_item(selected_index,
+ &last_top_row);
+ continue;
+ }
+ 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;
+ }
+ 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) || !child->sym)
+ 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);
+
+ 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,
+ &dialog_input_result_len);
+ 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)
+{
+ while (1) {
+ int res;
+ res = dialog_inputbox(main_window,
+ NULL, load_config_text,
+ filename,
+ &dialog_input_result,
+ &dialog_input_result_len);
+ 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)
+{
+ while (1) {
+ int res;
+ res = dialog_inputbox(main_window,
+ NULL, save_config_text,
+ filename,
+ &dialog_input_result,
+ &dialog_input_result_len);
+ switch (res) {
+ case 0:
+ if (!dialog_input_result[0])
+ return;
+ res = conf_write(dialog_input_result);
+ if (!res) {
+ 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)
+{
+ int lines, columns;
+
+ getmaxyx(stdscr, lines, columns);
+
+ if (main_window != NULL)
+ delwin(main_window);
+
+ /* set up the menu and menu window */
+ main_window = newwin(lines-2, columns-2, 2, 1);
+ keypad(main_window, TRUE);
+ mwin_max_lines = lines-7;
+ mwin_max_cols = columns-6;
+
+ /* panels order is from bottom to top */
+ new_panel(main_window);
+}
+
+int main(int ac, char **av)
+{
+ int lines, columns;
+ 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);
+
+ getmaxyx(stdscr, lines, columns);
+ if (columns < 75 || lines < 20) {
+ endwin();
+ printf("Your terminal should have at "
+ "least 20 lines and 75 columns\n");
+ return 1;
+ }
+
+ notimeout(stdscr, FALSE);
+#if NCURSES_REENTRANT
+ set_escdelay(1);
+#else
+ ESCDELAY = 1;
+#endif
+
+ /* set btns menu */
+ curses_menu = new_menu(curses_menu_items);
+ menu_opts_off(curses_menu, O_SHOWDESC);
+ menu_opts_on(curses_menu, O_SHOWMATCH);
+ menu_opts_on(curses_menu, O_ONEVALUE);
+ menu_opts_on(curses_menu, O_NONCYCLIC);
+ menu_opts_on(curses_menu, O_IGNORECASE);
+ 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));
+ }
+
+ conf_set_message_callback(conf_message_callback);
+ /* 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;
+}
+
Code Review / packages / trusty / cirros-testvm.git / blobdiff