How to stop mouse click on the viewport to stealing focus from focused button?

Development Programming & Scripting Blueprint
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1

I have a simple menu, and the only thing focusable are the buttons, but whenever I click anywhere else on the viewport which aren’t buttons, whatever button is currently focused loses keyboard focus and I have to click a button with the mouse to regain focus.

How to prevent this from happening?

2

set other Ui to not hit testable self so it wont get hit when you click it

3

yeah for some reason that doesn’t work. I had to make a giant invisible button that covered the entire viewport behind the menu, and set it to focus on whatever was focused before clicking. janky, but works