Den 2022-07-09 kl. 20:02, skrev Mj Mendoza IV via gtkmm-list:
I've tried the Cairo-based Clock demo, and adjusted my code to reflect
needed changes to port to gtkmm4. Now, I'm currently missing mouse
activities.
In addition to what Andrew Potter suggested, if you want to track all
mouse movements, use Gtk::EventControllerMotion.
Just about everything that was done in event signal handlers in gtkmm3
is now done with the many subclasses of Gtk::EventController.
I've read the gtkmm4 changes section
<https://developer-old.gnome.org/gtkmm-tutorial/unstable/gtkmm-tutorial.html#changes-gtkmm4>
of the tutorial
(https://developer-old.gnome.org/gtkmm-tutorial/unstable/gtkmm-tutorial.html#changes-gtkmm4)
but content is more of a note than actual information for beginner
porters like me.
I don't think anyone will ever take the time to write a real migration
guide from gtkmm3 to gtkmm4.
The documentation at developer-old.gnome.org is not updated any more. If
you want to see the latest version of the gtkmm4 tutorial, look at
https://gnome.pages.gitlab.gnome.org/gtkmm-documentation.
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