GNU bug report logs - #32977
26.1.50; Emacs (on gnome 3, wayland, debian buster) calculates incorrect horizontal positions

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Message #14 received at 32977 <at> debbugs.gnu.org (full text, mbox):

From: martin rudalics <rudalics <at> gmx.at>
To: Lars Ingebrigtsen <larsi <at> gnus.org>, Kai Tetzlaff <kai.tetzlaff <at> web.de>
Cc: 32977 <at> debbugs.gnu.org
Subject: Re: bug#32977: 26.1.50; Emacs (on gnome 3, wayland, debian buster)
 calculates incorrect horizontal positions
Date: Thu, 26 Nov 2020 16:45:20 +0100

> I can reproduce this bug in Emacs 28:
>
> (set-frame-position (selected-frame) 0 0)
> => t
> (frame-position (selected-frame))
> => (-10 . 66)

-10 is the position of the WM border.  I tried to describe that in
Bug#40817.  The frame proper starts at 0.

> If I do this, I can clearly see that the frame isn't outside the screen
> (i.e., I can see other windows between the Emacs frame and the border of
> the screen):
>
> (set-frame-position (selected-frame) 9 0)
> => t
>
> But still:
>
> (frame-position (selected-frame))
> => (-1 . 66)
>
> This is a Debian bullseye system with Gnome Shell.
>
> Anybody got an idea what's going on here?

Mutter doesn't like us.

martin

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