How to disable spacebar in Nifty GUI?

Troubleshooting gui
1

I am making a game where you press the space bar to jump, but the problem is, Nifty is consuming the event and using it to reset the UI. How do I disable the space bar so I can use it for jumping?

2

Yeah I just realized that there is a related q.

3

http://hub.jmonkeyengine.org/groups/gui/forum/topic/nifty-eating-input-events/?topic_page=2