bug#64270: 30.0.50; Font update for no toolkit menu

[Manuel Giraud]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Manuel Giraud <manuel@ledu-giraud.fr>
>> Cc: 64270@debbugs.gnu.org
>> Date: Tue, 27 Jun 2023 16:13:15 +0200
>> 
>> Eli Zaretskii <eliz@gnu.org> writes:
>> 
>> > If this is not what you meant, then how would Emacs know which font to
>> > select for menus when the default face's font is changed?
>> 
>> For my usage, I imagine that yes the menu font would change when I
>> change the frame's default face.  But this because my menu face is
>> already derived from the default face.
>> 
>> For the general usage, my idea (and what I start doing in my patch, see
>> my first message) is to query the MENU_FACE_ID.  So the font into the
>> menus would change if the user modify its menu face.
>
> This is a misunderstanding: I didn't ask what would be the trigger to
> change the font.  I asked how would Emacs know _which_ font to choose
> for the menus?

I also am not sure I understand.  I don't think that Emacs has to choose
a font here.  It would use the font used for the menu face.  What am I
missing?
-- 
Manuel Giraud