(gobject:define-gflags "GdkDragAction" drag-action
  (:export t
   :type-initializer "gdk_drag_action_get_type")
  (:default 1)
  (:copy 2)
  (:move 4)
  (:link 8)
  (:private 16)
  (:ask 32))  

:default

Means nothing, and should not be used.

:copy

Copy the data.

:move

Move the data, that is, first copy it, then delete it from the source using the "DELETE" target of the X selection protocol.

:link

Add a link to the data. Note that this is only useful if source and destination agree on what it means.

:private

Special action which tells the source that the destination will do something that the source does not understand.

:ask

Ask the user what to do with the data.