[PATCH 1/1] menu: export box state to menu_box_state when using a command
Sascha Hauer
s.hauer at pengutronix.de
Fri Jun 1 02:33:07 EDT 2012
On Sun, May 27, 2012 at 12:36:32PM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> this will allow to have different action based on the box state in shell
>
> as example
> menu -e -a -m boot -c 'export test=${menu_box_state}' -R -b 1 -d "yes/no"
>
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
> ---
> common/menu.c | 5 +++++
> 1 files changed, 5 insertions(+), 0 deletions(-)
>
> diff --git a/common/menu.c b/common/menu.c
> index 6c530b6..070170e 100644
> --- a/common/menu.c
> +++ b/common/menu.c
> @@ -483,6 +483,11 @@ static void menu_action_command(struct menu *m, struct menu_entry *me)
> int ret;
> const char *s = getenv(e->command);
>
> + if (me->type == MENU_ENTRY_BOX)
> + export_env_ull("menu_box_state", me->box_state);
> + else
> + setenv("menu_box_state", "");
> +
> /* can be a command as boot */
> if (!s)
> s = e->command;
I suggest the following instead. It will cleanup the menu box state
right after executing the command and also it will call the box action
only when it actually has changed.
8<-----------------------------------------------------
menu: export menu box entry state to shell
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
common/menu.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/common/menu.c b/common/menu.c
index 6c530b6..68c16ee 100644
--- a/common/menu.c
+++ b/common/menu.c
@@ -384,14 +384,19 @@ int menu_show(struct menu *m)
if (m->selected->type != MENU_ENTRY_BOX)
break;
m->selected->box_state = !m->selected->box_state;
- if (m->selected->action)
+ if (m->selected->action) {
+ export_env_ull("menu_box_state", me->box_state);
m->selected->action(m, m->selected);
+ setenv("menu_box_state", "");
+ }
print_menu_entry(m, m->selected, 1);
break;
case KEY_ENTER:
if (ch_previous == KEY_RETURN)
break;
case KEY_RETURN:
+ if (m->selected->type == MENU_ENTRY_BOX)
+ break;
if (ch_previous == KEY_ENTER)
break;
clear();
--
1.7.10
--
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