Hi,
in Gtkmm2 it was possible to create an action with no callback for
submenus. It allowed me do disable submenus.
In Gtkmm3, I wrote this:
"<interface>"
" <menu id='MenuBar'>"
" <submenu>"
" <attribute name='label'
translatable='yes'>_File</attribute>"
" <attribute
name='action'>app.file-menu</attribute>"
" <section>"
" <item>"
etc.
but when I disable the "file-menu" Gio::SimpleAction (and I do it after
the window is realized!), the submenu is not disabled. Did I do
something wrong or is it a regression in Gtk3? How can I do it?
Thanks a lot,
yann
PS: BTW, is it possible to add to the doc that
Gtk::Widget::insert_action_group() has no effect if the widget is not
realized?
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