Hello,

> > ... I'm trying to at least prototype a GUI in the same way that
> > in Python I can write "import gi" and proceed to create a GTK
> > window, add buttons and menubars and toolbars, etc.

You might also try G-Golf - disclaimer, I am the G-Golf maintainer, I
was hoping/waiting that some answer(s) would point to both solutions,
but as it didn't happen, here is the link [1].

David

[1]	https://www.gnu.org/software/g-golf/index.html