GNU bug report logs - #58632
Setting Apple's emoji font on macOS in daemon mode

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Tor Kringeland <tor.kringeland <at> ntnu.no>
To: "bug-gnu-emacs <at> gnu.org" <bug-gnu-emacs <at> gnu.org>
Subject: Setting Apple's emoji font on macOS in daemon mode
Date: Wed, 19 Oct 2022 12:20:53 +0000

Minimal reproducing example:

Run

  emacs -Q --daemon --eval "(set-fontset-font t 'unicode \"Apple Color Emoji\")"

and insert an emoji.  It will not be rendered by the Apple Color Emoji
font.  This wasn't the case on the build from a week or two ago (and
builds for many months before that).  It works if I do not run Emacs in
daemon mode or explicitly set the font after having connected a client.
Is this a bug or is there another way I should specify the emoji font?

(Using an Emacs build from today's sources.)

Message #8 received at 58632 <at> debbugs.gnu.org (full text, mbox):

From: Robert Pluim <rpluim <at> gmail.com>
To: Tor Kringeland <tor.kringeland <at> ntnu.no>
Cc: 58632 <at> debbugs.gnu.org
Subject: Re: bug#58632: Setting Apple's emoji font on macOS in daemon mode
Date: Wed, 19 Oct 2022 15:27:22 +0200

>>>>> On Wed, 19 Oct 2022 12:20:53 +0000, Tor Kringeland <tor.kringeland <at> ntnu.no> said:

    Tor> Minimal reproducing example:
    Tor> Run

    Tor>   emacs -Q --daemon --eval "(set-fontset-font t 'unicode \"Apple Color Emoji\")"

    Tor> and insert an emoji.  It will not be rendered by the Apple Color Emoji
    Tor> font.  This wasn't the case on the build from a week or two ago (and
    Tor> builds for many months before that).

I find that surprising, Iʼd expect it to never work. Can you identify
exactly when it changed? And please do

    (set-fontset-font t 'emoji \"Apple Color Emoji\")

What you have slows down font lookup for all codepoints.

    Tor> It works if I do not run Emacs in
    Tor> daemon mode or explicitly set the font after having connected a client.
    Tor> Is this a bug or is there another way I should specify the emoji font?

Emacs in daemon mode doesnʼt have a gui frame to work with, so things
like setting fonts tend not to work [1]. You can either use
`default-frame-alist' to set the `font' frame parameter, or you can
add code to `server-after-make-frame-hook' to set it.

Iʼm not saying there isnʼt a bug, but Iʼm not saying there is one
either 😀

Robert

Footnotes:
[1]  Iʼll admit to not understanding the attraction of daemon-mode,
     but I guess tastes differ.

-- 

Message #15 received at 58632-done <at> debbugs.gnu.org (full text, mbox):

From: Stefan Kangas <stefankangas <at> gmail.com>
To: Robert Pluim <rpluim <at> gmail.com>
Cc: Tor Kringeland <tor.kringeland <at> ntnu.no>, 58632-done <at> debbugs.gnu.org
Subject: Re: bug#58632: Setting Apple's emoji font on macOS in daemon mode
Date: Sun, 3 Sep 2023 02:31:21 -0700

Robert Pluim <rpluim <at> gmail.com> writes:

>>>>>> On Wed, 19 Oct 2022 12:20:53 +0000, Tor Kringeland <tor.kringeland <at> ntnu.no> said:
>
>     Tor> Minimal reproducing example:
>     Tor> Run
>
>     Tor>   emacs -Q --daemon --eval "(set-fontset-font t 'unicode \"Apple Color Emoji\")"
>
>     Tor> and insert an emoji.  It will not be rendered by the Apple Color Emoji
>     Tor> font.  This wasn't the case on the build from a week or two ago (and
>     Tor> builds for many months before that).
>
> I find that surprising, Iʼd expect it to never work. Can you identify
> exactly when it changed? And please do
>
>     (set-fontset-font t 'emoji \"Apple Color Emoji\")
>
> What you have slows down font lookup for all codepoints.

More information was requested, but none was given within close to a
year, so I'm closing this bug.  If this is still an issue, please reply
to this email (use "Reply to all" in your email client) and we can
reopen the bug report.

>
>     Tor> It works if I do not run Emacs in
>     Tor> daemon mode or explicitly set the font after having connected a client.
>     Tor> Is this a bug or is there another way I should specify the emoji font?
>
> Emacs in daemon mode doesnʼt have a gui frame to work with, so things
> like setting fonts tend not to work [1]. You can either use
> `default-frame-alist' to set the `font' frame parameter, or you can
> add code to `server-after-make-frame-hook' to set it.
>
> Iʼm not saying there isnʼt a bug, but Iʼm not saying there is one
> either 😀
>
> Robert
>
> Footnotes:
> [1]  Iʼll admit to not understanding the attraction of daemon-mode,
>      but I guess tastes differ.

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