(define-gboxed-variant-cstruct event "GdkEvent"
  (type event-type)
  (window (g:object window))
  (send-event (:boolean :int8))
            ...
            ((:owner-change) event-owner-change
             (owner (g:object window))
             (reason owner-change)
             (selection gdk:atom)
             (time :uint32)
             (selection-time :uint32))
  ... ))  

type

The gdk:event-type type of the event.

window

The gdk:window object which received the event.

send-event

True if the event was sent explicitly.

owner

The new gdk:window owner of the selection, or nil if there is none.

reason

The reason for the ownership change as a gdk:owner-change value.

selection

The gdk:atom identifying the selection.

time

The unsigned integer with the timestamp of the event.

selection-time

The unsigned integer with the time at which the selection ownership was taken over.