[ Version ( since = "2.8" ) ]
public virtual signal bool grab_broken_event (EventGrabBroken event)
Emitted when a pointer or keyboard grab on a window belonging to widget
gets broken.
On X11, this happens when the grab window becomes unviewable (i.e. it or one of its ancestors is unmapped), or if the same application grabs the pointer or keyboard again.
event |
the EventGrabBroken event |
true to stop other handlers from being invoked for the event. false to propagate the event further. |