(gobject:define-genum "GtkIconSize" icon-size
  (:export t
   :type-initializer "gtk_icon_size_get_type")
  (:invalid 0)
  (:menu 1)
  (:small-toolbar 2)
  (:large-toolbar 3)
  (:button 4)
  (:dnd 5)
  (:dialog 6))  

:invalid

Invalid size.

:menu

Size appropriate for menus (16 px).

:small-toolbar

Size appropriate for small toolbars (16 px).

:large-toolbar

Size appropriate for large toolbars (24 px).

:button

Size appropriate for buttons (16 px).

:dnd

Size appropriate for drag and drop (32 px).

:dialog

Size appropriate for dialogs (48 px).