From: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Date: Sat, 27 Aug 2011 01:16:49 +0000 (+0200)
Subject: command: add macro KEY_CTL()
X-Git-Tag: release-0.20~95^2~3
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=cbcee2935dd77ffd0403ec20ae5039054a937006;p=ncmpc.git

command: add macro KEY_CTL()

I copied it from tig[1], which is licensed under the GPLv2+, so we
may use the code.

[1] http://jonas.nitro.dk/tig/
---

diff --git a/src/command.c b/src/command.c
index 0bb45bf..9ce7b0e 100644
--- a/src/command.c
+++ b/src/command.c
@@ -40,6 +40,8 @@
 #define DK(x)
 #endif
 
+#define KEY_CTL(x) ((x) & 0x1f) /* KEY_CTL(A) == ^A == \1 */
+
 #define BS   KEY_BACKSPACE
 #define DEL  KEY_DC
 #define UP   KEY_UP