Commit 52e84a9e authored by Committed by Tristan Van Berkom
Bug 602099 - Actions can be activatable too
Add a couple type checks in gtk_activatable_do_set_related_action() to allow both GtkWidgets and GtkActions to implement GtkActivatable. Bug 602099 describes a use case for this. Also add a GObject prerequisite to the GtkActivatable interface.
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