||r/w||If this event is caused by another grab in the same application, grab_window contains the new grab window. Otherwise grab_window is
||r/w||the type of the event (
||r/w||the window which received the event, i.e. the window that previously owned the grab|
Generated when a pointer or keyboard grab is 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. Note that implicit grabs (which are initiated by button presses) can also cause
New in version 2.8.