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authorArnaud Lacombe <lacombar@gmail.com>2010-11-06 18:30:23 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-11-22 11:27:17 -0200
commit86e187ff9bce9fbed7bfed92ae34f491cf1af50f (patch)
treed857b2671a98e2eb1ddc80477b564e4d279ae464 /scripts/kconfig/menu.c
parente53beacd23d9cb47590da6a7a7f6d417b941a994 (diff)
kconfig: add an option to determine a menu's visibility
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>
Diffstat (limited to 'scripts/kconfig/menu.c')
-rw-r--r--scripts/kconfig/menu.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 7e83aef42c6..b9d9aa18e6d 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -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);