GNU bug report logs - #53793
29.0.50; 'fullscreen' frame parameter on pgtk

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Po Lu <luangruo <at> yahoo.com>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#53793: closed (29.0.50; 'fullscreen' frame parameter on pgtk)
Date: Sun, 06 Feb 2022 09:39:02 +0000

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Your message dated Sun, 06 Feb 2022 17:38:14 +0800
with message-id <87czk0pc6x.fsf <at> yahoo.com>
and subject line Re: bug#53793: 29.0.50; 'fullscreen' frame parameter on pgtk
has caused the debbugs.gnu.org bug report #53793,
regarding 29.0.50; 'fullscreen' frame parameter on pgtk
to be marked as done.

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From: Augusto Stoffel <arstoffel <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 29.0.50; 'fullscreen' frame parameter on pgtk
Date: Sat, 05 Feb 2022 09:50:56 +0100

On Emacs compiled with pgtk, (frame-parameter nil 'fullscreen) returns
nil when the frame is maximized.  (Without pgtk, it returns the symbol
'maximized'; if I make the frame fullscreen, then the above always
returns the usual 'fullboth'.)

I'm using Gnome on Wayland.  More system information below:

In GNU Emacs 29.0.50 (build 15, x86_64-pc-linux-gnu, GTK+ Version 3.24.30, cairo version 1.17.4)
 of 2022-02-04 built on toolbox
Repository revision: 3e20a900195cb72e4c940db9ff123c3049483074
Repository branch: master
System Description: Fedora Linux 35 (Workstation Edition)

Configured using:
 'configure --with-pgtk'

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From: Po Lu <luangruo <at> yahoo.com>
To: Augusto Stoffel <arstoffel <at> gmail.com>
Cc: 53793-done <at> debbugs.gnu.org
Subject: Re: bug#53793: 29.0.50; 'fullscreen' frame parameter on pgtk
Date: Sun, 06 Feb 2022 17:38:14 +0800

(When replying to bug reports in the future, please use "Reply to All",
so that your messages can be recorded by the bug tracker.)

Augusto Stoffel <arstoffel <at> gmail.com> writes:

> Yes, the frame parameter is correctly reported now, thanks!

I'm closing this bug then, thanks.

> It also seems that `move-frame-functions' are not run as promised.  Or
> at least the following bit of configuration is still broken on pgtk but
> works fine on X.

If you're running Wayland, then it's a limitation of the Wayland
protocol, which has no global coordinate system.  GTK exposes it as
every Wayland window (surface) being placed at 0, 0.

>     (add-hook 'move-frame-functions
>               (lambda (frame) "Undecorate frame when maximized."
>                 (set-frame-parameter frame 'undecorated
>                  (eq 'maximized (frame-parameter frame 'fullscreen)))))

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