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I've been searching for a sloppy-mouse-focus implementation for OSX for _years_. Pretty sure there's something fundamentally incompatible in how app windows are managed.

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Looks like Hammerspoon and some lua should do:

https://www.hammerspoon.org/docs/hs.mouse.html

https://www.hammerspoon.org/docs/hs.window.html

Not seeing a way to get the window currently under the mouse pointer, but this is pretty interesting - thanks!

You can get the positions of every windows, the position of the mouse pointer, and you can focus windows.

This is really cool, I'm gonna try and implement it!

It's also a bummer because Terminal.app has the functionality out of the box: https://macos-defaults.com/mouse/focusfollowsmouse.html

It can be implemented within apps, but not across apps afaict.

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