anchor.diff:                                  :max-width width :max-height height
                                   :min-width width :min-height height)))))
   
  -;;;; Pixie tab-layout. Reuses implementation of the generic tab-layout-pane.
  +;;; Pixie tab-layout. Reuses implementation of the generic tab-layout-pane.
   
   (define-pixie-gadget clim-tab-layout:tab-layout pixie-tab-layout-pane)
   (define-pixie-gadget clim-tab-layout::tab-bar-pane pixie-tab-bar-pane)
  
positive.code: 	(def down)
  	(def left)))))
  
  ; Standard
  
  ; TODO - clean up all of this colour nonsense
  ; which should involve some sensible ideas about tints vs' inks
  
  (defclass pixie-gadget ()
    ((highlighted      :initarg :highlight
  
negative.code:         (when armed
            (disarm-gadget pane)))))
  
  ;;; Slider (refactor into 'thumbed' gadget?)
  
  (defconstant +pixie-slider-pane-thumb-size+  5000.0)
  (defconstant +pixie-slider-thumb-half-height+ 17)
  