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 gtk.Widget
a gdk.Device to grab on.
TRUE to prevent other devices to interact with widget.
3.0
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.