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kconfig: add an option to determine a menu's visibility

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This option is aimed to add the possibility to control a menu's visibility
without adding dependency to the expression to all the submenu.

Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Tested-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Arnaud Lacombe
2010-11-06 18:30:23 -03:00
committed by Mauro Carvalho Chehab
parent e53beacd23
commit 86e187ff9b
5 changed files with 32 additions and 3 deletions
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11
scripts/kconfig/menu.c
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@@ -152,6 +152,12 @@ struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr
return menu_add_prop(type, prompt, NULL, dep);
}
void menu_add_visibility(struct expr *expr)
{
current_entry->visibility = expr_alloc_and(current_entry->visibility,
expr);
}
void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep)
{
menu_add_prop(type, NULL, expr, dep);
@@ -410,6 +416,11 @@ bool menu_is_visible(struct menu *menu)
if (!menu->prompt)
return false;
if (menu->visibility) {
if (expr_calc_value(menu->visibility) == no)
return no;
}
sym = menu->sym;
if (sym) {
sym_calc_value(sym);