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"focus" has, directly and by itself, nothing to do with a layout manager.


Sorry ... there's no "magic" ..... just only the same "twisted" code!

12 days ago (my answer #5) I told you to use:
...

Sorry, I can't understand the difficulty you are having, because I can assure you that things are really more simple than your complex, twisted and smoky code.
Even after my previous conceptual...

In your code, movements works (not all correctly, review the code), but you have to give manually the focus. With your code I need to use the TAB key to reach the focusable panel.

This is because...

Just one question: why do you need to go at the deep level of input/action maps? What's wrong with a basical KeyListener?