From d03703c81a202cea156811e5dbc8e88627c19986 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@gnu.org>
Date: Tue, 19 Oct 2010 19:48:20 +0200
Subject: curses: Fix control-{@[\]^_} and ESC

control-{@[\]^_} shouldn't get the 'a' - 'A' offset for correct
translation. ESC is better simulated as escape key.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Andrew Zaborowski <balrogg@gmail.com>
---
 ui/curses.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'ui/curses.c')

diff --git a/ui/curses.c b/ui/curses.c
index ed3165e45e..82bc614040 100644
--- a/ui/curses.c
+++ b/ui/curses.c
@@ -238,9 +238,12 @@ static void curses_refresh(DisplayState *ds)
                 keysym = curses2keysym[chr];
 
             if (keysym == -1) {
-                if (chr < ' ')
-                    keysym = (chr + '@' - 'A' + 'a') | KEYSYM_CNTRL;
-                else
+                if (chr < ' ') {
+                    keysym = chr + '@';
+                    if (keysym >= 'A' && keysym <= 'Z')
+                        keysym += 'a' - 'A';
+                    keysym |= KEYSYM_CNTRL;
+                } else
                     keysym = chr;
             }
 
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