[tl;dr;] The frame of the macOS system HUD is (origin = (x = 620, y = 140), size = (width = 200, height = 200))... (at the time of writing) In one of the reviews of CapsLocker [https://itunes.apple.com/us/app/capslocker/id1102304865] a user disliked, that the HUDs in CapsLocker do not…