From 3874e3e275b30d12d213bd65798224a717627ba2 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Tue, 30 Aug 2011 21:26:21 +0300
Subject: [PATCH] Avoid generating events for unknown keys

---
 source/input/keyboard.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/source/input/keyboard.cpp b/source/input/keyboard.cpp
index ea66cf2..5b54ee4 100644
--- a/source/input/keyboard.cpp
+++ b/source/input/keyboard.cpp
@@ -66,7 +66,8 @@ void Keyboard::input_event(const Graphics::Window::Event &event)
 		{
 			KeySym keysym = XKeycodeToKeysym(window.get_display().get_private().display, event.xevent.xkey.keycode, 0);
 			if(keysym!=NoSymbol)
-				set_button_state(key_from_sys(keysym), event.xevent.type==KeyPress, true);
+				if(unsigned key = key_from_sys(keysym))
+					set_button_state(key, event.xevent.type==KeyPress, true);
 			if(event.xevent.type==KeyPress)
 			{
 				char ch;
-- 
2.43.0