menuconfig: dont use obsolete index() function in lxdialog
[linux-2.6.git] / scripts / kconfig / lxdialog / util.c
index f82cebb..a1a1354 100644 (file)
 
 #include "dialog.h"
 
-/* use colors by default? */
-bool use_colors = 1;
+struct dialog_info dlg;
 
-const char *backtitle = NULL;
+static void set_mono_theme(void)
+{
+       dlg.screen.atr = A_NORMAL;
+       dlg.shadow.atr = A_NORMAL;
+       dlg.dialog.atr = A_NORMAL;
+       dlg.title.atr = A_BOLD;
+       dlg.border.atr = A_NORMAL;
+       dlg.button_active.atr = A_REVERSE;
+       dlg.button_inactive.atr = A_DIM;
+       dlg.button_key_active.atr = A_REVERSE;
+       dlg.button_key_inactive.atr = A_BOLD;
+       dlg.button_label_active.atr = A_REVERSE;
+       dlg.button_label_inactive.atr = A_NORMAL;
+       dlg.inputbox.atr = A_NORMAL;
+       dlg.inputbox_border.atr = A_NORMAL;
+       dlg.searchbox.atr = A_NORMAL;
+       dlg.searchbox_title.atr = A_BOLD;
+       dlg.searchbox_border.atr = A_NORMAL;
+       dlg.position_indicator.atr = A_BOLD;
+       dlg.menubox.atr = A_NORMAL;
+       dlg.menubox_border.atr = A_NORMAL;
+       dlg.item.atr = A_NORMAL;
+       dlg.item_selected.atr = A_REVERSE;
+       dlg.tag.atr = A_BOLD;
+       dlg.tag_selected.atr = A_REVERSE;
+       dlg.tag_key.atr = A_BOLD;
+       dlg.tag_key_selected.atr = A_REVERSE;
+       dlg.check.atr = A_BOLD;
+       dlg.check_selected.atr = A_REVERSE;
+       dlg.uarrow.atr = A_BOLD;
+       dlg.darrow.atr = A_BOLD;
+}
+
+#define DLG_COLOR(dialog, f, b, h) \
+do {                               \
+       dlg.dialog.fg = (f);       \
+       dlg.dialog.bg = (b);       \
+       dlg.dialog.hl = (h);       \
+} while (0)
+
+static void set_classic_theme(void)
+{
+       DLG_COLOR(screen,                COLOR_CYAN,   COLOR_BLUE,   true);
+       DLG_COLOR(shadow,                COLOR_BLACK,  COLOR_BLACK,  true);
+       DLG_COLOR(dialog,                COLOR_BLACK,  COLOR_WHITE,  false);
+       DLG_COLOR(title,                 COLOR_YELLOW, COLOR_WHITE,  true);
+       DLG_COLOR(border,                COLOR_WHITE,  COLOR_WHITE,  true);
+       DLG_COLOR(button_active,         COLOR_WHITE,  COLOR_BLUE,   true);
+       DLG_COLOR(button_inactive,       COLOR_BLACK,  COLOR_WHITE,  false);
+       DLG_COLOR(button_key_active,     COLOR_WHITE,  COLOR_BLUE,   true);
+       DLG_COLOR(button_key_inactive,   COLOR_RED,    COLOR_WHITE,  false);
+       DLG_COLOR(button_label_active,   COLOR_YELLOW, COLOR_BLUE,   true);
+       DLG_COLOR(button_label_inactive, COLOR_BLACK,  COLOR_WHITE,  true);
+       DLG_COLOR(inputbox,              COLOR_BLACK,  COLOR_WHITE,  false);
+       DLG_COLOR(inputbox_border,       COLOR_BLACK,  COLOR_WHITE,  false);
+       DLG_COLOR(searchbox,             COLOR_BLACK,  COLOR_WHITE,  false);
+       DLG_COLOR(searchbox_title,       COLOR_YELLOW, COLOR_WHITE,  true);
+       DLG_COLOR(searchbox_border,      COLOR_WHITE,  COLOR_WHITE,  true);
+       DLG_COLOR(position_indicator,    COLOR_YELLOW, COLOR_WHITE,  true);
+       DLG_COLOR(menubox,               COLOR_BLACK,  COLOR_WHITE,  false);
+       DLG_COLOR(menubox_border,        COLOR_WHITE,  COLOR_WHITE,  true);
+       DLG_COLOR(item,                  COLOR_BLACK,  COLOR_WHITE,  false);
+       DLG_COLOR(item_selected,         COLOR_WHITE,  COLOR_BLUE,   true);
+       DLG_COLOR(tag,                   COLOR_YELLOW, COLOR_WHITE,  true);
+       DLG_COLOR(tag_selected,          COLOR_YELLOW, COLOR_BLUE,   true);
+       DLG_COLOR(tag_key,               COLOR_YELLOW, COLOR_WHITE,  true);
+       DLG_COLOR(tag_key_selected,      COLOR_YELLOW, COLOR_BLUE,   true);
+       DLG_COLOR(check,                 COLOR_BLACK,  COLOR_WHITE,  false);
+       DLG_COLOR(check_selected,        COLOR_WHITE,  COLOR_BLUE,   true);
+       DLG_COLOR(uarrow,                COLOR_GREEN,  COLOR_WHITE,  true);
+       DLG_COLOR(darrow,                COLOR_GREEN,  COLOR_WHITE,  true);
+}
+
+static void set_blackbg_theme(void)
+{
+       DLG_COLOR(screen, COLOR_RED,   COLOR_BLACK, true);
+       DLG_COLOR(shadow, COLOR_BLACK, COLOR_BLACK, false);
+       DLG_COLOR(dialog, COLOR_WHITE, COLOR_BLACK, false);
+       DLG_COLOR(title,  COLOR_RED,   COLOR_BLACK, false);
+       DLG_COLOR(border, COLOR_BLACK, COLOR_BLACK, true);
+
+       DLG_COLOR(button_active,         COLOR_YELLOW, COLOR_RED,   false);
+       DLG_COLOR(button_inactive,       COLOR_YELLOW, COLOR_BLACK, false);
+       DLG_COLOR(button_key_active,     COLOR_YELLOW, COLOR_RED,   true);
+       DLG_COLOR(button_key_inactive,   COLOR_RED,    COLOR_BLACK, false);
+       DLG_COLOR(button_label_active,   COLOR_WHITE,  COLOR_RED,   false);
+       DLG_COLOR(button_label_inactive, COLOR_BLACK,  COLOR_BLACK, true);
+
+       DLG_COLOR(inputbox,         COLOR_YELLOW, COLOR_BLACK, false);
+       DLG_COLOR(inputbox_border,  COLOR_YELLOW, COLOR_BLACK, false);
+
+       DLG_COLOR(searchbox,        COLOR_YELLOW, COLOR_BLACK, false);
+       DLG_COLOR(searchbox_title,  COLOR_YELLOW, COLOR_BLACK, true);
+       DLG_COLOR(searchbox_border, COLOR_BLACK,  COLOR_BLACK, true);
+
+       DLG_COLOR(position_indicator, COLOR_RED, COLOR_BLACK,  false);
+
+       DLG_COLOR(menubox,          COLOR_YELLOW, COLOR_BLACK, false);
+       DLG_COLOR(menubox_border,   COLOR_BLACK,  COLOR_BLACK, true);
+
+       DLG_COLOR(item,             COLOR_WHITE, COLOR_BLACK, false);
+       DLG_COLOR(item_selected,    COLOR_WHITE, COLOR_RED,   false);
+
+       DLG_COLOR(tag,              COLOR_RED,    COLOR_BLACK, false);
+       DLG_COLOR(tag_selected,     COLOR_YELLOW, COLOR_RED,   true);
+       DLG_COLOR(tag_key,          COLOR_RED,    COLOR_BLACK, false);
+       DLG_COLOR(tag_key_selected, COLOR_YELLOW, COLOR_RED,   true);
+
+       DLG_COLOR(check,            COLOR_YELLOW, COLOR_BLACK, false);
+       DLG_COLOR(check_selected,   COLOR_YELLOW, COLOR_RED,   true);
+
+       DLG_COLOR(uarrow, COLOR_RED, COLOR_BLACK, false);
+       DLG_COLOR(darrow, COLOR_RED, COLOR_BLACK, false);
+}
+
+static void set_bluetitle_theme(void)
+{
+       set_classic_theme();
+       DLG_COLOR(title,               COLOR_BLUE,   COLOR_WHITE, true);
+       DLG_COLOR(button_key_active,   COLOR_YELLOW, COLOR_BLUE,  true);
+       DLG_COLOR(button_label_active, COLOR_WHITE,  COLOR_BLUE,  true);
+       DLG_COLOR(searchbox_title,     COLOR_BLUE,   COLOR_WHITE, true);
+       DLG_COLOR(position_indicator,  COLOR_BLUE,   COLOR_WHITE, true);
+       DLG_COLOR(tag,                 COLOR_BLUE,   COLOR_WHITE, true);
+       DLG_COLOR(tag_key,             COLOR_BLUE,   COLOR_WHITE, true);
+
+}
 
 /*
- * Attribute values, default is for mono display
+ * Select color theme
  */
-chtype attributes[] = {
-       A_NORMAL,               /* screen_attr */
-       A_NORMAL,               /* shadow_attr */
-       A_NORMAL,               /* dialog_attr */
-       A_BOLD,                 /* title_attr */
-       A_NORMAL,               /* border_attr */
-       A_REVERSE,              /* button_active_attr */
-       A_DIM,                  /* button_inactive_attr */
-       A_REVERSE,              /* button_key_active_attr */
-       A_BOLD,                 /* button_key_inactive_attr */
-       A_REVERSE,              /* button_label_active_attr */
-       A_NORMAL,               /* button_label_inactive_attr */
-       A_NORMAL,               /* inputbox_attr */
-       A_NORMAL,               /* inputbox_border_attr */
-       A_NORMAL,               /* searchbox_attr */
-       A_BOLD,                 /* searchbox_title_attr */
-       A_NORMAL,               /* searchbox_border_attr */
-       A_BOLD,                 /* position_indicator_attr */
-       A_NORMAL,               /* menubox_attr */
-       A_NORMAL,               /* menubox_border_attr */
-       A_NORMAL,               /* item_attr */
-       A_REVERSE,              /* item_selected_attr */
-       A_BOLD,                 /* tag_attr */
-       A_REVERSE,              /* tag_selected_attr */
-       A_BOLD,                 /* tag_key_attr */
-       A_REVERSE,              /* tag_key_selected_attr */
-       A_BOLD,                 /* check_attr */
-       A_REVERSE,              /* check_selected_attr */
-       A_BOLD,                 /* uarrow_attr */
-       A_BOLD                  /* darrow_attr */
-};
-
-#include "colors.h"
+static int set_theme(const char *theme)
+{
+       int use_color = 1;
+       if (!theme)
+               set_bluetitle_theme();
+       else if (strcmp(theme, "classic") == 0)
+               set_classic_theme();
+       else if (strcmp(theme, "bluetitle") == 0)
+               set_bluetitle_theme();
+       else if (strcmp(theme, "blackbg") == 0)
+               set_blackbg_theme();
+       else if (strcmp(theme, "mono") == 0)
+               use_color = 0;
+
+       return use_color;
+}
+
+static void init_one_color(struct dialog_color *color)
+{
+       static int pair = 0;
+
+       pair++;
+       init_pair(pair, color->fg, color->bg);
+       if (color->hl)
+               color->atr = A_BOLD | COLOR_PAIR(pair);
+       else
+               color->atr = COLOR_PAIR(pair);
+}
+
+static void init_dialog_colors(void)
+{
+       init_one_color(&dlg.screen);
+       init_one_color(&dlg.shadow);
+       init_one_color(&dlg.dialog);
+       init_one_color(&dlg.title);
+       init_one_color(&dlg.border);
+       init_one_color(&dlg.button_active);
+       init_one_color(&dlg.button_inactive);
+       init_one_color(&dlg.button_key_active);
+       init_one_color(&dlg.button_key_inactive);
+       init_one_color(&dlg.button_label_active);
+       init_one_color(&dlg.button_label_inactive);
+       init_one_color(&dlg.inputbox);
+       init_one_color(&dlg.inputbox_border);
+       init_one_color(&dlg.searchbox);
+       init_one_color(&dlg.searchbox_title);
+       init_one_color(&dlg.searchbox_border);
+       init_one_color(&dlg.position_indicator);
+       init_one_color(&dlg.menubox);
+       init_one_color(&dlg.menubox_border);
+       init_one_color(&dlg.item);
+       init_one_color(&dlg.item_selected);
+       init_one_color(&dlg.tag);
+       init_one_color(&dlg.tag_selected);
+       init_one_color(&dlg.tag_key);
+       init_one_color(&dlg.tag_key_selected);
+       init_one_color(&dlg.check);
+       init_one_color(&dlg.check_selected);
+       init_one_color(&dlg.uarrow);
+       init_one_color(&dlg.darrow);
+}
 
 /*
- * Table of color values
+ * Setup for color display
  */
-int color_table[][3] = {
-       {SCREEN_FG, SCREEN_BG, SCREEN_HL},
-       {SHADOW_FG, SHADOW_BG, SHADOW_HL},
-       {DIALOG_FG, DIALOG_BG, DIALOG_HL},
-       {TITLE_FG, TITLE_BG, TITLE_HL},
-       {BORDER_FG, BORDER_BG, BORDER_HL},
-       {BUTTON_ACTIVE_FG, BUTTON_ACTIVE_BG, BUTTON_ACTIVE_HL},
-       {BUTTON_INACTIVE_FG, BUTTON_INACTIVE_BG, BUTTON_INACTIVE_HL},
-       {BUTTON_KEY_ACTIVE_FG, BUTTON_KEY_ACTIVE_BG, BUTTON_KEY_ACTIVE_HL},
-       {BUTTON_KEY_INACTIVE_FG, BUTTON_KEY_INACTIVE_BG,
-        BUTTON_KEY_INACTIVE_HL},
-       {BUTTON_LABEL_ACTIVE_FG, BUTTON_LABEL_ACTIVE_BG,
-        BUTTON_LABEL_ACTIVE_HL},
-       {BUTTON_LABEL_INACTIVE_FG, BUTTON_LABEL_INACTIVE_BG,
-        BUTTON_LABEL_INACTIVE_HL},
-       {INPUTBOX_FG, INPUTBOX_BG, INPUTBOX_HL},
-       {INPUTBOX_BORDER_FG, INPUTBOX_BORDER_BG, INPUTBOX_BORDER_HL},
-       {SEARCHBOX_FG, SEARCHBOX_BG, SEARCHBOX_HL},
-       {SEARCHBOX_TITLE_FG, SEARCHBOX_TITLE_BG, SEARCHBOX_TITLE_HL},
-       {SEARCHBOX_BORDER_FG, SEARCHBOX_BORDER_BG, SEARCHBOX_BORDER_HL},
-       {POSITION_INDICATOR_FG, POSITION_INDICATOR_BG, POSITION_INDICATOR_HL},
-       {MENUBOX_FG, MENUBOX_BG, MENUBOX_HL},
-       {MENUBOX_BORDER_FG, MENUBOX_BORDER_BG, MENUBOX_BORDER_HL},
-       {ITEM_FG, ITEM_BG, ITEM_HL},
-       {ITEM_SELECTED_FG, ITEM_SELECTED_BG, ITEM_SELECTED_HL},
-       {TAG_FG, TAG_BG, TAG_HL},
-       {TAG_SELECTED_FG, TAG_SELECTED_BG, TAG_SELECTED_HL},
-       {TAG_KEY_FG, TAG_KEY_BG, TAG_KEY_HL},
-       {TAG_KEY_SELECTED_FG, TAG_KEY_SELECTED_BG, TAG_KEY_SELECTED_HL},
-       {CHECK_FG, CHECK_BG, CHECK_HL},
-       {CHECK_SELECTED_FG, CHECK_SELECTED_BG, CHECK_SELECTED_HL},
-       {UARROW_FG, UARROW_BG, UARROW_HL},
-       {DARROW_FG, DARROW_BG, DARROW_HL},
-};                             /* color_table */
+static void color_setup(const char *theme)
+{
+       int use_color;
+
+       use_color = set_theme(theme);
+       if (use_color && has_colors()) {
+               start_color();
+               init_dialog_colors();
+       } else
+               set_mono_theme();
+}
 
 /*
  * Set window to attribute 'attr'
@@ -119,13 +249,13 @@ void attr_clear(WINDOW * win, int height, int width, chtype attr)
 
 void dialog_clear(void)
 {
-       attr_clear(stdscr, LINES, COLS, screen_attr);
+       attr_clear(stdscr, LINES, COLS, dlg.screen.atr);
        /* Display background title if it exists ... - SLH */
-       if (backtitle != NULL) {
+       if (dlg.backtitle != NULL) {
                int i;
 
-               wattrset(stdscr, screen_attr);
-               mvwaddstr(stdscr, 0, 1, (char *)backtitle);
+               wattrset(stdscr, dlg.screen.atr);
+               mvwaddstr(stdscr, 0, 1, (char *)dlg.backtitle);
                wmove(stdscr, 1, 1);
                for (i = 1; i < COLS - 1; i++)
                        waddch(stdscr, ACS_HLINE);
@@ -136,40 +266,22 @@ void dialog_clear(void)
 /*
  * Do some initialization for dialog
  */
-void init_dialog(void)
+void init_dialog(const char *backtitle)
+{
+       dlg.backtitle = backtitle;
+       color_setup(getenv("MENUCONFIG_COLOR"));
+}
+
+void reset_dialog(void)
 {
        initscr();              /* Init curses */
        keypad(stdscr, TRUE);
        cbreak();
        noecho();
-
-       if (use_colors)         /* Set up colors */
-               color_setup();
-
        dialog_clear();
 }
 
 /*
- * Setup for color display
- */
-void color_setup(void)
-{
-       int i;
-
-       if (has_colors()) {     /* Terminal supports color? */
-               start_color();
-
-               /* Initialize color pairs */
-               for (i = 0; i < ATTRIBUTE_COUNT; i++)
-                       init_pair(i + 1, color_table[i][0], color_table[i][1]);
-
-               /* Setup color attributes */
-               for (i = 0; i < ATTRIBUTE_COUNT; i++)
-                       attributes[i] = C_ATTR(color_table[i][2], i + 1);
-       }
-}
-
-/*
  * End using dialog functions.
  */
 void end_dialog(void)
@@ -184,7 +296,7 @@ void print_title(WINDOW *dialog, const char *title, int width)
 {
        if (title) {
                int tlen = MIN(width - 2, strlen(title));
-               wattrset(dialog, title_attr);
+               wattrset(dialog, dlg.title.atr);
                mvwaddch(dialog, 0, (width - tlen) / 2 - 1, ' ');
                mvwaddnstr(dialog, 0, (width - tlen)/2, title, tlen);
                waddch(dialog, ' ');
@@ -224,7 +336,7 @@ void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x)
                newl = 1;
                word = tempstr;
                while (word && *word) {
-                       sp = index(word, ' ');
+                       sp = strchr(word, ' ');
                        if (sp)
                                *sp++ = 0;
 
@@ -236,7 +348,7 @@ void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x)
                        if (wlen > room ||
                            (newl && wlen < 4 && sp
                             && wlen + 1 + strlen(sp) > room
-                            && (!(sp2 = index(sp, ' '))
+                            && (!(sp2 = strchr(sp, ' '))
                                 || wlen + 1 + (sp2 - sp) > room))) {
                                cur_y++;
                                cur_x = x;
@@ -264,21 +376,23 @@ void print_button(WINDOW * win, const char *label, int y, int x, int selected)
        int i, temp;
 
        wmove(win, y, x);
-       wattrset(win, selected ? button_active_attr : button_inactive_attr);
+       wattrset(win, selected ? dlg.button_active.atr
+                : dlg.button_inactive.atr);
        waddstr(win, "<");
        temp = strspn(label, " ");
        label += temp;
-       wattrset(win, selected ? button_label_active_attr
-                : button_label_inactive_attr);
+       wattrset(win, selected ? dlg.button_label_active.atr
+                : dlg.button_label_inactive.atr);
        for (i = 0; i < temp; i++)
                waddch(win, ' ');
-       wattrset(win, selected ? button_key_active_attr
-                : button_key_inactive_attr);
+       wattrset(win, selected ? dlg.button_key_active.atr
+                : dlg.button_key_inactive.atr);
        waddch(win, label[0]);
-       wattrset(win, selected ? button_label_active_attr
-                : button_label_inactive_attr);
+       wattrset(win, selected ? dlg.button_label_active.atr
+                : dlg.button_label_inactive.atr);
        waddstr(win, (char *)label + 1);
-       wattrset(win, selected ? button_active_attr : button_inactive_attr);
+       wattrset(win, selected ? dlg.button_active.atr
+                : dlg.button_inactive.atr);
        waddstr(win, ">");
        wmove(win, y, x + temp + 1);
 }
@@ -326,7 +440,7 @@ void draw_shadow(WINDOW * win, int y, int x, int height, int width)
        int i;
 
        if (has_colors()) {     /* Whether terminal supports color? */
-               wattrset(win, shadow_attr);
+               wattrset(win, dlg.shadow.atr);
                wmove(win, y + height, x + 2);
                for (i = 0; i < width; i++)
                        waddch(win, winch(win) & A_CHARTEXT);
@@ -360,3 +474,167 @@ int first_alpha(const char *string, const char *exempt)
 
        return 0;
 }
+
+/*
+ * ncurses uses ESC to detect escaped char sequences. This resutl in
+ * a small timeout before ESC is actually delivered to the application.
+ * lxdialog suggest <ESC> <ESC> which is correctly translated to two
+ * times esc. But then we need to ignore the second esc to avoid stepping
+ * out one menu too much. Filter away all escaped key sequences since
+ * keypad(FALSE) turn off ncurses support for escape sequences - and thats
+ * needed to make notimeout() do as expected.
+ */
+int on_key_esc(WINDOW *win)
+{
+       int key;
+       int key2;
+       int key3;
+
+       nodelay(win, TRUE);
+       keypad(win, FALSE);
+       key = wgetch(win);
+       key2 = wgetch(win);
+       do {
+               key3 = wgetch(win);
+       } while (key3 != ERR);
+       nodelay(win, FALSE);
+       keypad(win, TRUE);
+       if (key == KEY_ESC && key2 == ERR)
+               return KEY_ESC;
+       else if (key != ERR && key != KEY_ESC && key2 == ERR)
+               ungetch(key);
+
+       return -1;
+}
+
+/* redraw screen in new size */
+int on_key_resize(void)
+{
+       dialog_clear();
+       return KEY_RESIZE;
+}
+
+struct dialog_list *item_cur;
+struct dialog_list item_nil;
+struct dialog_list *item_head;
+
+void item_reset(void)
+{
+       struct dialog_list *p, *next;
+
+       for (p = item_head; p; p = next) {
+               next = p->next;
+               free(p);
+       }
+       item_head = NULL;
+       item_cur = &item_nil;
+}
+
+void item_make(const char *fmt, ...)
+{
+       va_list ap;
+       struct dialog_list *p = malloc(sizeof(*p));
+
+       if (item_head)
+               item_cur->next = p;
+       else
+               item_head = p;
+       item_cur = p;
+       memset(p, 0, sizeof(*p));
+
+       va_start(ap, fmt);
+       vsnprintf(item_cur->node.str, sizeof(item_cur->node.str), fmt, ap);
+       va_end(ap);
+}
+
+void item_add_str(const char *fmt, ...)
+{
+       va_list ap;
+        size_t avail;
+
+       avail = sizeof(item_cur->node.str) - strlen(item_cur->node.str);
+
+       va_start(ap, fmt);
+       vsnprintf(item_cur->node.str + strlen(item_cur->node.str),
+                 avail, fmt, ap);
+       item_cur->node.str[sizeof(item_cur->node.str) - 1] = '\0';
+       va_end(ap);
+}
+
+void item_set_tag(char tag)
+{
+       item_cur->node.tag = tag;
+}
+void item_set_data(void *ptr)
+{
+       item_cur->node.data = ptr;
+}
+
+void item_set_selected(int val)
+{
+       item_cur->node.selected = val;
+}
+
+int item_activate_selected(void)
+{
+       item_foreach()
+               if (item_is_selected())
+                       return 1;
+       return 0;
+}
+
+void *item_data(void)
+{
+       return item_cur->node.data;
+}
+
+char item_tag(void)
+{
+       return item_cur->node.tag;
+}
+
+int item_count(void)
+{
+       int n = 0;
+       struct dialog_list *p;
+
+       for (p = item_head; p; p = p->next)
+               n++;
+       return n;
+}
+
+void item_set(int n)
+{
+       int i = 0;
+       item_foreach()
+               if (i++ == n)
+                       return;
+}
+
+int item_n(void)
+{
+       int n = 0;
+       struct dialog_list *p;
+
+       for (p = item_head; p; p = p->next) {
+               if (p == item_cur)
+                       return n;
+               n++;
+       }
+       return 0;
+}
+
+const char *item_str(void)
+{
+       return item_cur->node.str;
+}
+
+int item_is_selected(void)
+{
+       return (item_cur->node.selected != 0);
+}
+
+int item_is_tag(char tag)
+{
+       return (item_cur->node.tag == tag);
+}