gtk/popover_since_3_18.go
func (p *Popover) GetDefaultWidget() *Widget {
	w := C.gtk_popover_get_default_widget(p.native())
	if w == nil {
		return nil
	}
	return &Widget{glib.InitiallyUnowned{glib.Take(unsafe.Pointer(w))}}
}
func (p *Popover) GetDefaultWidget() *Widget {
	w := C.gtk_popover_get_default_widget(p.native())
	if w == nil {
		return nil
	}
	return &Widget{glib.InitiallyUnowned{glib.Take(unsafe.Pointer(w))}}
}
//GtkWidget *
//gtk_popover_get_default_widget (GtkPopover *popover);