GNU bug report logs - #74496
30.0.91; fullscreen frame set with F11 is shifted when ctwm restarts

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Van Ly <van.ly <at> SDF.ORG>, martin rudalics <rudalics <at> gmx.at>
Cc: 74496 <at> debbugs.gnu.org
Subject: bug#74496: 30.0.91; fullscreen frame set with F11 is shifted when ctwm restarts
Date: Sat, 30 Nov 2024 12:23:21 +0200

> Date: Sat, 23 Nov 2024 18:28:16 +0000
> From:  Van Ly via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs <at> gnu.org>
> 
> When the ctwm window manager is restarted, the emacs fullscreen frame,
> set with `F11' key, shifts up by approximately 50 pixels and shows the
> desktop background.  The right edge of the frame shifts a little to the
> left.  Expect the fullscreen frame to remain unchanged.
> 
> To demonstrate,
> 
>  1. start, `emacs -Q'
>  2. enlarge frame to fullscreen, `F11'
>  3. call, `Restart CTWM' from window manager menu on X
>  4. see the fullscreen frame bottom edge is shifted up 50 pixels approximately
> 
>  X. expect to see no change to fullscreen frame when ctwm restarts
>     for comparison, a fullscreen xterm frame remains unchanged when ctwm restarts
> 
> => http://sdf.org/~van.ly/img/emacs-fullscreen-frame-0.webp .
> => http://sdf.org/~van.ly/img/emacs-fullscreen-frame-1-shifts-up.webp .
> 
> => http://mail-index.netbsd.org/netbsd-users/2024/11/23/msg031998.html discussion about shifted fullscreen frame behavior

Martin, any suggestions?

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