(define-gboxed-variant-cstruct event "GdkEvent"
  (type event-type)
  (window (g:object window))
  (send-event (:boolean :int8))
            ...
            ((:setting) event-setting
             (action setting-action)
             (name (:string :free-from-foreign nil :free-to-foreign nil)))
  ... ))  

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.

action

What happened to the setting as a value of the gdk:setting-action enumeration.

name

The string with the name of the setting.