I have a Gtk::Notebook that will be dynamically populated with new
pages at run time. Each page will contain patterns of the same widget
layouts (for now, but later I will add some other kinds of pages too).
I think the logical way to handle this, and correct me if mistaken, is
by defining a composite widget for the pages to reuse?
I have defined a GtkBox containing the pattern of widgets I'd like to
see via Glade / GtkBuilder markup and flagged it as a composite in
Glade. At this time it just contains a GtkBox with a GtkSourceView but
later may contain toolbars, etc..
I cannot seem to find much documentation on how to use this composite
widget at runtime in Gtkmm. The closest I found was this thread below
which defined its widgets programmatically at run time.