From 4def8fad56d9503b5388678dbd721e4b7ed5c254 Mon Sep 17 00:00:00 2001
From: markt <markt>
Date: Thu, 28 Jun 2007 22:23:58 +0000
Subject: strip off additional bits in event state provided by Xorg

---
 src/FbTk/KeyUtil.hh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/FbTk/KeyUtil.hh b/src/FbTk/KeyUtil.hh
index e80918a..9311561 100644
--- a/src/FbTk/KeyUtil.hh
+++ b/src/FbTk/KeyUtil.hh
@@ -69,8 +69,9 @@ public:
         @return the cleaned state number
     */
     unsigned int cleanMods(unsigned int mods) {
-        //remove numlock, capslock and scrolllock
-         return mods & ~(capslock() | numlock() | scrolllock());
+        // remove numlock, capslock, and scrolllock
+        // and anything beyond Button5Mask
+        return mods & ~(capslock() | numlock() | scrolllock()) & ((1<<13) - 1);
     }
 
     /** 
-- 
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