Adds a GTK+ grab on @device, so all the events on @device and its associated pointer or keyboard (if any) are delivered to @widget. If the @block_others parameter is %TRUE, any other devices will be unable to interact with @widget during the grab.
a #GtkWidget
a #GdkDevice to grab on.
%TRUE to prevent other devices to interact with @widget.
3.0
See Implementation
Adds a GTK+ grab on @device, so all the events on @device and its associated pointer or keyboard (if any) are delivered to @widget. If the @block_others parameter is %TRUE, any other devices will be unable to interact with @widget during the grab.