(define-gboxed-variant-cstruct event "GdkEvent"
  (type event-type)
  (window (g:object window))
  (send-event (:boolean :int8))
  (:variant type
            ...
            ;; GdkEventPadAxis
            ((:pad-ring :pad-strip) event-pad-axis
             (time :uint32)
             (group :uint)
             (index :uint)
             (mode :uint)
             (value :double))
  ... ))  

type

The gdk:event-type of the event, one of the :pad-ring, :pad-strip values.

window

The gdk:window object which received the event.

send-event

True if the event was sent explicitly.

time

The time of the event in milliseconds.

group

The pad group the ring/strip belongs to. A :tablet-pad device may have one or more groups containing a set of buttons/rings/strips each.

index

Number of strip/ring that was interacted. This number is zero-indexed.

mode

The current mode of group. Different groups in a :tablet-pad device may have different current modes.

:value

The current value for the given axis.