Gui Keyboard Input

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So I have a gui control with gui images showing up. Is there something built in (I've looked but didn't notice anything, makefirstresponder, modal, and tabfirst didnt do anything for the control with firstresponder or modal or with the gui images as tabfirst) to make this work, or do I have to do custom work?

Basically, a menu pops up, and I was hoping with either arrow keys or tab you can cycle through the gui images in the control, but it's def not working...