factor/basis/ui/gadgets/frames/frames.factor

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Factor

! Copyright (C) 2005, 2008 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors arrays generic kernel math namespaces sequences
words splitting grouping math.vectors ui.gadgets.grids
ui.gadgets math.geometry.rect ;
IN: ui.gadgets.frames
TUPLE: glue < gadget ;
M: glue pref-dim* drop { 0 0 } ;
: <glue> ( -- glue ) glue new-gadget ;
: <frame-grid> ( -- grid ) 9 [ <glue> ] replicate 3 group ;
: @center 1 1 ; inline
: @left 0 1 ; inline
: @right 2 1 ; inline
: @top 1 0 ; inline
: @bottom 1 2 ; inline
: @top-left 0 0 ; inline
: @top-right 2 0 ; inline
: @bottom-left 0 2 ; inline
: @bottom-right 2 2 ; inline
TUPLE: frame < grid ;
: new-frame ( class -- frame )
<frame-grid> swap new-grid ; inline
: <frame> ( -- frame )
frame new-frame ;
: (fill-center) ( dim vec -- )
[ [ first ] [ third ] bi v+ [v-] ] keep set-second ;
: fill-center ( dim horiz vert -- )
[ over ] dip [ (fill-center) ] 2bi@ ;
M: frame layout*
dup compute-grid
[ [ dim>> ] 2dip fill-center ] [ grid-layout ] 3bi ;