https://bugs.winehq.org/show_bug.cgi?id=41062
--- Comment #19 from Esme Povirk madewokherd@gmail.com --- On second thought, yes it would be sent under normal circumstances on Windows, when a tooltip is clicked (though not with HTMENU). We handle the click by hiding the tooltip. Messing with window focus when clicking on a tooltip would be not ideal, so now I'm thinking native probably does this.