Subject: (mouse-position_ wrong on macOS after mouse-1 click (Was: Interact directly on Emacs bug#28620: mouse drag event records wrong release window)

From: Robert Weiner <[email-masked]>
Date: Tue, 3 Oct 2017 16:54:22 -0400

Interestingly, mouse wheel scroll events work properly.  Such events always
include the window the mouse is over (when mouse-wheel-follow-mouse is t,
which it is by default).  They select this window and then scroll that
window, so I can move the mouse across frames and scroll arbitrary windows,
which suggests that drag events should operate similarly and include the
window of the drag release.

Now to find out how the position of the mouse is used differently in mouse
drags compared to mouse wheel events.

Bob