https://bugs.winehq.org/show_bug.cgi?id=48965
--- Comment #19 from Zebediah Figura z.figura12@gmail.com --- (In reply to Esme Povirk from comment #18)
It's normal (in fact I think it's required) to get those Focus notifications when a key combination gets caught by another client with XGrabKey.
Sure. I'm more bothered by the KeymapNotify telling us that alt is already pressed, followed by a KeyPress event, when the user only actually pressed it once. I feel like the answer to this is "compiz shouldn't do that", but of course X11 is hard. Does that sound right to you?