Subject: Re: bug#36165: 27.0.50; `select-frame-set-input-focus' moves mouse pointer outside of frame

From: martin rudalics <[email-masked]>
Date: Tue, 11 Jun 2019 10:17:50 +0200

> In emacs -Q, disable scroll-bar-mode and evaluate:
 >
 > (let ((mouse-autoselect-window t))
 >    (select-frame-set-input-focus (window-frame)))
 >
 > The mouse pointer will now be to the right of the window frame; with
 > normal window managers, this doesn't matter much, except that a "resize
 > this window" cursor might be shown rather than the usual one, but with
 > tiling window managers, the cursor position may correspond to another
 > window, which is then raised and wrongly receives keyboard focus. This
 > actually happened to me.
 >
 > The attached patch fixes things, by moving the mouse pointer to the last
 > valid x position.

Pushed to master.  Please have a look and close the bug in case I did
things right.

Thank your very much, martin