import hou
 from canvaseventtypes import *
 import nodegraphdisplay as display
 from hc import HCNetworkEditor
 
 
 def createEventHandler(uievent, pending_actions):
 
     if isinstance(uievent, MouseEvent):
         # Ctrl+scroll zoom disabled
         return None, False
 
     if isinstance(uievent, KeyboardEvent):
         # Keyboard events are primarily handled via hc_hotkeys.json and 
         # NetworkViewMenu.xml, but this hook remains for future 
         # context-sensitive overrides.
         return None, False
 
     return None, False