the pad group that is switching mode. A %GDK_SOURCE_TABLET_PAD device may have one or more groups containing a set of buttons/rings/strips each.
The new mode of group. Different groups in a %GDK_SOURCE_TABLET_PAD
device may have different current modes.
%TRUE if the event was sent explicitly.
the time of the event in milliseconds.
the type of the event (%GDK_PAD_GROUP_MODE).
the window which received the event.
Generated during %GDK_SOURCE_TABLET_PAD mode switches in a group.