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common, menu: add statusline support 

add the possibility to show a statusline when printing a menu

Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Jason Hobbs <jason.hobbs@calxeda.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Acked-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Heiko Schocher 2012-01-16 21:13:20 +00:00 committed by Albert ARIBAUD
parent 9c3483113d
commit e0611dd97b
3 changed files with 14 additions and 0 deletions
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8
common/menu.c
View File

@ -113,6 +113,13 @@ static inline void *menu_item_destroy(struct menu *m,
return NULL; return NULL;
} }
void __menu_display_statusline(struct menu *m)
{
return;
}
void menu_display_statusline(struct menu *m)
__attribute__ ((weak, alias("__menu_display_statusline")));
/* /*
* Display a menu so the user can make a choice of an item. First display its * Display a menu so the user can make a choice of an item. First display its
* title, if any, and then each item in the menu. * title, if any, and then each item in the menu.
@ -123,6 +130,7 @@ static inline void menu_display(struct menu *m)
puts(m->title); puts(m->title);
putc('\n'); putc('\n');
} }
menu_display_statusline(m);
menu_items_iter(m, menu_item_print, NULL); menu_items_iter(m, menu_item_print, NULL);
} }

5
doc/README.menu
View File

@ -69,6 +69,11 @@ int menu_get_choice(struct menu *m, void **choice);
*/ */
int menu_destroy(struct menu *m); int menu_destroy(struct menu *m);
/*
* menu_display_statusline(struct menu *m);
* shows a statusline for every menu_display call.
*/
void menu_display_statusline(struct menu *m);
Example Code Example Code
------------ ------------

1
include/menu.h
View File

@ -26,5 +26,6 @@ int menu_default_set(struct menu *m, char *item_key);
int menu_get_choice(struct menu *m, void **choice); 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);
#endif /* __MENU_H__ */ #endif /* __MENU_H__ */