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menu: export menu_default_choice() function

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Checking the default menu item and obtaining its data can
be useful in custom menu code. Export menu_default_choice()
function which serves this purpose.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
This commit is contained in:
Anatolij Gustschin 2013-03-23 14:52:04 +00:00
parent fc9d64ffcd
commit 6a3439fdad
3 changed files with 7 additions and 1 deletions
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2
common/menu.c
View file

@ -176,7 +176,7 @@ static inline struct menu_item *menu_item_by_key(struct menu *m,
* Set *choice to point to the default item's data, if any default item was * Set *choice to point to the default item's data, if any default item was
* set, and returns 1. If no default item was set, returns -ENOENT. * set, and returns 1. If no default item was set, returns -ENOENT.
*/ */
static inline int menu_default_choice(struct menu *m, void **choice) int menu_default_choice(struct menu *m, void **choice)
{ {
if (m->default_item) { if (m->default_item) {
*choice = m->default_item->data; *choice = m->default_item->data;

5
doc/README.menu
View file

@ -65,6 +65,11 @@ int menu_item_add(struct menu *m, char *item_key, void *item_data);
*/ */
int menu_default_set(struct menu *m, char *item_key); int menu_default_set(struct menu *m, char *item_key);
/*
* menu_default_choice() - Set *choice to point to the default item's data
*/
int menu_default_choice(struct menu *m, void **choice);
/* /*
* menu_get_choice() - Returns the user's selected menu entry, or the * menu_get_choice() - Returns the user's selected menu entry, or the
* default if the menu is set to not prompt or the timeout expires. * default if the menu is set to not prompt or the timeout expires.

1
include/menu.h
View file

@ -29,6 +29,7 @@ int menu_get_choice(struct menu *m, void **choice);
int menu_item_add(struct menu *m, char *item_key, void *item_data); int menu_item_add(struct menu *m, char *item_key, void *item_data);
int menu_destroy(struct menu *m); int menu_destroy(struct menu *m);
void menu_display_statusline(struct menu *m); void menu_display_statusline(struct menu *m);
int menu_default_choice(struct menu *m, void **choice);
#if defined(CONFIG_MENU_SHOW) #if defined(CONFIG_MENU_SHOW)
int menu_show(int bootdelay); int menu_show(int bootdelay);