GNU bug report logs - #55076
Emacs 28.1 Transparency Bug on Ubuntu 22.04 Wayland

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Package: emacs;

Reported by: Ranjeeth Mahankali <rnjthmhnkl <at> gmail.com>

Date: Sat, 23 Apr 2022 08:49:02 UTC

Severity: normal

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Report forwarded to bug-gnu-emacs <at> gnu.org:
bug#55076; Package emacs. (Sat, 23 Apr 2022 08:49:02 GMT) Full text and rfc822 format available.
Acknowledgement sent to Ranjeeth Mahankali <rnjthmhnkl <at> gmail.com>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs <at> gnu.org. (Sat, 23 Apr 2022 08:49:02 GMT) Full text and rfc822 format available.

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From: Ranjeeth Mahankali <rnjthmhnkl <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: Emacs 28.1 Transparency Bug on Ubuntu 22.04 Wayland
Date: Sat, 23 Apr 2022 02:35:53 -0400

[Message part 1 (text/plain, inline)]
Hello,

When using Emacs 28.1 (installed via snap) on Ubuntu 22.04 LTS, the 
alpha frame parameter is not being honored when Emacs is in fullscreen 
mode. It looks the same has having no transparency. I am setting the 
transparency like this:

(set-frame-parameter frame 'alpha '(92 . 92))

Exceptions:
* Transparency works momentarily when there is a popup window.
* It also works when the focus is on another program in the foreground.
* It works when Emacs is not in fullscreen more (toggle with F11).
* It also works when on x-org instead of the default Wayland.

Regards,
Ranjeeth Mahankali


[Message part 2 (text/html, inline)]
Information forwarded to bug-gnu-emacs <at> gnu.org:
bug#55076; Package emacs. (Sat, 23 Apr 2022 10:38:02 GMT) Full text and rfc822 format available.

Message #8 received at 55076 <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: Ranjeeth Mahankali <rnjthmhnkl <at> gmail.com>
Cc: 55076 <at> debbugs.gnu.org
Subject: Re: bug#55076: Emacs 28.1 Transparency Bug on Ubuntu 22.04 Wayland
Date: Sat, 23 Apr 2022 18:37:16 +0800

Ranjeeth Mahankali <rnjthmhnkl <at> gmail.com> writes:

> Hello,
>
> When using Emacs 28.1 (installed via snap) on Ubuntu 22.04 LTS, the
> alpha frame parameter is not being honored when Emacs is in fullscreen
> mode. It looks the same has having no transparency. I am setting the
> transparency like this:

What about in Emacs 27.2?

If the bug also happens there, then it sounds like a fairly standard
Xwayland snafu.  Don't use Wayland, and you will no longer have this
problem.
This bug report was last modified 1 year and 362 days ago.

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