widget: Add gtk_widget_observe_controllers()
authorBenjamin Otte <otte@redhat.com>
Wed, 5 Sep 2018 01:00:18 +0000 (03:00 +0200)
committerBenjamin Otte <otte@redhat.com>
Sun, 16 Sep 2018 16:50:17 +0000 (18:50 +0200)
commit867042f88f4756280427f908d0baef43d90d00d4
tree80537b88138aa7d4a7f1e59f63a232932e72cf47
parent32ec7dec61f9dc0a14ee3e6fccb834c229c8a0cf
widget: Add gtk_widget_observe_controllers()

This mirrors gtk_widget_observe_children() - just that it observes the
controllers, not the children.
docs/reference/gtk/gtk4-sections.txt
gtk/gtkwidget.c
gtk/gtkwidget.h