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>
diff --git a/common/menu.c b/common/menu.c
index 3b1e0d0..754a9f9 100644
--- a/common/menu.c
+++ b/common/menu.c
@@ -113,6 +113,13 @@
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
* title, if any, and then each item in the menu.
@@ -123,6 +130,7 @@
puts(m->title);
putc('\n');
}
+ menu_display_statusline(m);
menu_items_iter(m, menu_item_print, NULL);
}
diff --git a/doc/README.menu b/doc/README.menu
index 0dad6a2..4ddf914 100644
--- a/doc/README.menu
+++ b/doc/README.menu
@@ -69,6 +69,11 @@
*/
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
------------
diff --git a/include/menu.h b/include/menu.h
index cf14a9c..b806a02 100644
--- a/include/menu.h
+++ b/include/menu.h
@@ -26,5 +26,6 @@
int menu_get_choice(struct menu *m, void **choice);
int menu_item_add(struct menu *m, char *item_key, void *item_data);
int menu_destroy(struct menu *m);
+void menu_display_statusline(struct menu *m);
#endif /* __MENU_H__ */