Hi Zelphir, > ...
You are misinterpreting what I wrote, and we miscommunicate.
GtkBuilder reads XML descriptions of a user interface and instantiates
the described objects. Those XML descriptions are largely identical
when defining a composite widget using a template, with some slight
differences, to quote the upstream doc:
The interface description semantics expected in composite
template descriptions is slightly different from regular
GtkBuilder XML gtk_widget.
Templates do use gtk builders, as a matter of fact, Internally - just
so that you know, g-golf takes care of all this for its users -
gtk_widget_init_template() calls gtk_builder_set_current_object().
You could define your menu in a separate file, but that's not what the
(upstream) adwaita-1-demo does, and they really know what they are
doing ... however, if you persist, you'll find an example in the
gtk4-demo, Application Class.
For your app though, I strongly recommend that you template(s), in a
way that you should learn and 'copy' from the adwaita-1-demo g-golf
port.
This is my last msg wrt this subject.
David
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