bug#57372: no-toolkit menu popups do not respect emacs font configuration

[Po Lu]

Tomas Hlavaty <tom@logand.com> writes:

> I never understood why web browsers depend on widget toolkits
> when they already implement everything needed
> and do not adhere to "native" look-and-feel anyway.
> Widget toolkits impose such inflexible restrictions
> and import annoying problems.

Firefox uses its own code to display right-click menus.  It just tries
to style it like GTK.

> Like somebody recently complained about 2sec delay when opening Emacs menu.
> tmm-menubar does not solve it fully, because in gui emacs,
> menu invocations by mouse are hardcoded to use toolkit based menu.

A 2 second delay is too long, unless GC runs during menu bar
initialization.