From 537a2f7b89abd7b50732d1319c8f3a2e98b85f73 Mon Sep 17 00:00:00 2001
From: Stefanos A <stapostol@gmail.com>
Date: Mon, 9 Dec 2013 23:43:36 +0100
Subject: [PATCH] Do not generate KeyPress events for non-printable characters

---
 Source/OpenTK/Platform/MacOS/CarbonGLNative.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Source/OpenTK/Platform/MacOS/CarbonGLNative.cs b/Source/OpenTK/Platform/MacOS/CarbonGLNative.cs
index ea848c9a..b285473b 100644
--- a/Source/OpenTK/Platform/MacOS/CarbonGLNative.cs
+++ b/Source/OpenTK/Platform/MacOS/CarbonGLNative.cs
@@ -383,7 +383,10 @@ namespace OpenTK.Platform.MacOS
                 case KeyboardEventKind.RawKeyDown:
                     Keymap.TryGetValue(code, out key);
                     InputDriver.Keyboard[0].SetKey(key, (uint)code, true);
-                    OnKeyPress(mKeyPressArgs);
+                    if (!Char.IsControl(mKeyPressArgs.KeyChar))
+                    {
+                        OnKeyPress(mKeyPressArgs);
+                    }
                     return OSStatus.NoError;
 
                 case KeyboardEventKind.RawKeyUp: