diff -abBpNPwrU2 --exclude='*.svn' irrlicht-svn-ss/trunk/include/IEventReceiver.h Irrlicht_starsonata/include/IEventReceiver.h
--- irrlicht-svn-ss/trunk/include/IEventReceiver.h	2007-07-26 02:11:22.000000000 +0200
+++ Irrlicht_starsonata/include/IEventReceiver.h	2008-08-19 14:34:25.000000000 +0200
@@ -88,4 +99,7 @@ namespace irr
 			EGET_BUTTON_CLICKED,
 
+			//! The pressed state of a pushbutton was changed
+			EGET_PUSHBUTTON_STATE_CHANGED,
+
 			//! A scrollbar has changed its position.
 			EGET_SCROLL_BAR_CHANGED,