Re: How to initialize gtkmm without Gtk::Application?

Most of Gtk::Main is deprecated. Gtk::Main::init_gtkmm_internals() is an 
exception. It's not deprecated in gtkmm3.

In gtkmm4 (still very unstable) Gtk::Main has been removed. 
Gtk::Main::init_gtkmm_internals()is still available, but it's called 
Gtk::init_gtkmm_internals().

On 2020-07-23 22:20, Rodolfo Ribeiro Gomes via gtkmm-list wrote:
> Hello.
>
> I'm creating a plugin for glade in order to be able to create 
> interfaces using custom C++ widgets and edit its properties via glade.
>
> Everything is (finally) working here. My problem now is how to 
> properly initialize gtkmm without using the deprecated 
> Gtk::Main::init_gtkmm_internals().
> As it's a plugin, I have no reason to create an 
> Gtk::Application-derived class/object…
>
>
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