GNU bug report logs - #39238
26.3; Emacs icons displaying improperly on KDE

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Message #8 received at 39238 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: xs wang <wangxs1989 <at> gmail.com>
Cc: 39238 <at> debbugs.gnu.org
Subject: Re: bug#39238: 26.3; Emacs icons displaying improperly on KDE
Date: Wed, 28 Oct 2020 13:39:52 +0100

xs wang <wangxs1989 <at> gmail.com> writes:

> The 128x128 icon should be used instead, so that the large icon is pretty and not
> pixelated.
>
> The problem occurs because Emacs does not set _NET_WM_ICON_NAME to a
> 128x128 icon. Because of this, the window manager it not aware of the high-res
> icon, and is forced to display a scaled-up version of the largest icon it is aware
> of--the 48x48 version. This can be verified by running `xprop` and targeting
> Emacs's main window; you will see that the largest icon it knows about is only
> 48x48.

I don't have a KDE system to test with here -- is this problem still
present in Emacs 28?  If so, would it be possible for you to create a
patch for this problem?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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