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Message-Id: <063f4661fde8c03c4c03f8a205071a52691c152e.1369866004.git.yann.morin.1998@free.fr>
Date:	Thu, 30 May 2013 00:24:54 +0200
From:	"Yann E. MORIN" <yann.morin.1998@...e.fr>
To:	Michal Marek <mmarek@...e.cz>
Cc:	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
	Dirk Gouders <dirk@...ders.net>,
	"Yann E. MORIN" <yann.morin.1998@...e.fr>
Subject: [PATCH 2/3] mconf: handle keys in empty dialogs

From: Dirk Gouders <dirk@...ders.net>

When entering an empty dialog, using the movement keys resulted in
unexpected characters beeing displayed, other keys like "z" and "h"
did not work as expected.

This patch handles the movement keys as well as other keys, especially
"z", "h" and "/".

Signed-off-by: Dirk Gouders <dirk@...ders.net>
[yann.morin.1998@...e.fr: keep lines <80 chars, so reorder test]
Tested-by: "Yann E. MORIN" <yann.morin.1998@...e.fr>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@...e.fr>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@...e.fr>
---
 scripts/kconfig/lxdialog/menubox.c |  9 +++++----
 scripts/kconfig/mconf.c            | 11 ++++++-----
 2 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/scripts/kconfig/lxdialog/menubox.c b/scripts/kconfig/lxdialog/menubox.c
index 48d382e..38cd69c 100644
--- a/scripts/kconfig/lxdialog/menubox.c
+++ b/scripts/kconfig/lxdialog/menubox.c
@@ -303,10 +303,11 @@ do_resize:
 				}
 		}
 
-		if (i < max_choice ||
-		    key == KEY_UP || key == KEY_DOWN ||
-		    key == '-' || key == '+' ||
-		    key == KEY_PPAGE || key == KEY_NPAGE) {
+		if (item_count() != 0 &&
+		    (i < max_choice ||
+		     key == KEY_UP || key == KEY_DOWN ||
+		     key == '-' || key == '+' ||
+		     key == KEY_PPAGE || key == KEY_NPAGE)) {
 			/* Remove highligt of current item */
 			print_item(scroll + choice, choice, FALSE);
 
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index 387dc8d..a69cbd7 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -670,11 +670,12 @@ static void conf(struct menu *menu, struct menu *active_menu)
 				  active_menu, &s_scroll);
 		if (res == 1 || res == KEY_ESC || res == -ERRDISPLAYTOOSMALL)
 			break;
-		if (!item_activate_selected())
-			continue;
-		if (!item_tag())
-			continue;
-
+		if (item_count() != 0) {
+			if (!item_activate_selected())
+				continue;
+			if (!item_tag())
+				continue;
+		}
 		submenu = item_data();
 		active_menu = item_data();
 		if (submenu)
-- 
1.8.1.2

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