Backport EventController*s that GTK has backported from master to gtk-3-24
EventControllerKey were backported to
gtk-3-24 but did not land in
gtkmm-3-24. Can they still be added now in
gtkmm-3-24? It would be a shame to miss out on these in
gtkmm; including them would encourage using recommended ways of handling events and ease migration to version 4.
GtkPadController, but we never seem to have wrapped that, even in