Index: trunk/quest-core-events/src/main/java/de/ugoe/cs/quest/eventcore/gui/MouseButtonInteraction.java
===================================================================
--- trunk/quest-core-events/src/main/java/de/ugoe/cs/quest/eventcore/gui/MouseButtonInteraction.java	(revision 589)
+++ trunk/quest-core-events/src/main/java/de/ugoe/cs/quest/eventcore/gui/MouseButtonInteraction.java	(revision 590)
@@ -20,5 +20,5 @@
     /** */
     public static enum Button {
-        LEFT, MIDDLE, RIGHT;
+        LEFT, MIDDLE, RIGHT, X;
     }