=== modified file 'openshot/windows/MainGTK.py'
--- openshot/windows/MainGTK.py	2010-01-26 06:37:00 +0000
+++ openshot/windows/MainGTK.py	2010-01-26 08:07:22 +0000
@@ -1529,6 +1529,11 @@
 				#print "L Key was Pressed"
 				self.on_tlbSeekForward_clicked(widget)
 				return True
+
+			elif keyname == "z":
+				# undo
+				if event.state == gtk.gdk.CONTROL_MASK | gtk.gdk.MOD2_MASK:
+					self.on_tlbUndo_clicked(widget)
 				
 			elif keyname == "left":
 				#print "LEFT Key was Pressed"