Subject: Re: bug#21864: 25.0.50; `raise-frame' steals focus some time after being called if the frame was iconified

From: martin rudalics <[email-masked]>
Date: Sun, 08 Nov 2015 19:24:33 +0100

>      (let ((cur (selected-frame)))
 >        (raise-frame other-frame)
 >        (select-frame cur))
 >
 > Result: Even though that snippet ends with `(select-frame cur)', focus
 > is left on `other-frame'.

‘raise-frame’ requires an interaction with the window manager.  If the
latter decides that raising a minimized frame will give focus to that
frame that's it.

You might want to look into bug#745 where you can find many references
to window manager behaviors and older discussions on emacs-devel.

martin