GNU bug report logs - #41719
28.0.50; emacsclient -c -F '((name . "NAME"))' is not respected --with-x-toolkit=gtk3

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Message #57 received at 41719 <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: Vladimir Lomov <lomov.vl <at> yandex.ru>
Cc: 41719 <at> debbugs.gnu.org
Subject: Re: bug#41719: 28.0.50; [FR] emacsclient should provide '--name'
 option as emacs
Date: Sun, 12 Jun 2022 13:10:18 +0800

Vladimir Lomov <lomov.vl <at> yandex.ru> writes:

> The 'emacs' allows to set the so-called 'instance' when run in X window
> system using '--name' option. The same time the 'emacsclient' doesn't
> have such option and if 'emacs' is run in daemon mode ('emacs
> --daemon=...') it is impossible (?) to change the 'instance' of emacs
> window (frame in Emacs terminology) created by 'emacsclient'.
>
> I tried to use '-F' option of 'emacsclient' but I didn't get desire
> result, WM_CLASS isn't changed, only WM_ICON_NAME. It is possible that I
> do things wrong,
>
>   $ emacsclient -s /run/user/1000/emacs-default -F '((name . "default") (title . "USER <at> HOST"))'
>
> but this topic is covered by manual (Emacs, 21.11 "Frame Parameters" and
> Emacs Lisp 29.4.3 "Window Frame Parameters") very unclear.
>
> Even if it is possible to change the 'instance' of Emacs window created
> by 'emacsclient' using the '-F' option it would be nice to have more
> simple way to achieve this. On the other hand, if Emacs is run in daemon
> mode it is the purpose of emacsclient to (allow to) set the 'instance'
> and 'title' of created window.

Could you please show where in the manual it is unclear?
I don't think we have any support at all for setting the WM_CLASS of
Emacs on a per-frame basis.

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