gtk-widget-device-is-shadowed (widget device)

widget -- a gtk-widget object
device -- a gdk-device object

True if there is an ongoing grab on device by another widget than widget.

Returns true if the device has been shadowed by a GTK device grab on another widget, so it would stop sending events to widget. This may be used in the "grab-notify" signal to check for specific devices. See the gtk-device-grab-add function.