Re: Enable / disable a Gio::SimpleAction.

[Kjell Ahlstedt <kjellahlstedt gmail com>]

On 2020-10-07 22:04, Carlo Wood wrote:

> When I put that string in an XML file "example.glade" and try
> to read it, glade gives the error:
>
>     example.glade targets Gtk+ 2.12
>
>     But this version of Glade is for GTK+ 3 only.
>     Make sure you can run this project with Glade 3.8 with no
>     deprecated widgets first.
>
> In other words, it seems that the usage of "<menu>", "<submenu>" and "<section>" etc.
> is old-style, pre- GTK+ 3.
>     
No, it seems that glade does not understand <menu>, <submenu> and <section>. (You did remove the double-quotes, I hope.) This format is used in many examples both in gtk3/gtkmm3 and gtk4/gtkmm4. It's certainly not old-fashioned.
> Since the 'action' and 'target' attributes are important in order to get
> the whole to work as a radio button, I need to know how one can do this
> with glade.
>
>     
    Sorry, I know almost nothing about glade. I can't
      help you with questions about glade. Hope someone else can.