factor/extra/ui/gadgets/frames/frames.factor

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Factor

! Copyright (C) 2005, 2007 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: arrays generic kernel math namespaces sequences words
splitting grouping math.vectors ui.gadgets.grids ui.gadgets ;
IN: ui.gadgets.frames
! A frame arranges gadgets in a 3x3 grid, where the center
! gadgets gets left-over space.
TUPLE: frame ;
: <frame-grid> ( -- grid ) 9 [ <gadget> ] replicate 3 group ;
: @center 1 1 ;
: @left 0 1 ;
: @right 2 1 ;
: @top 1 0 ;
: @bottom 1 2 ;
: @top-left 0 0 ;
: @top-right 2 0 ;
: @bottom-left 0 2 ;
: @bottom-right 2 2 ;
: <frame> ( -- frame )
frame new
<frame-grid> <grid> over set-gadget-delegate ;
: (fill-center) ( vec n -- )
over first pick third v+ [v-] 1 rot set-nth ;
: fill-center ( horiz vert dim -- )
tuck (fill-center) (fill-center) ;
M: frame layout*
dup compute-grid
[ rot rect-dim fill-center ] 3keep
grid-layout ;
: make-frame ( quot -- frame )
<frame> make-gadget ; inline
: build-frame ( tuple quot -- tuple )
<frame> build-gadget ; inline
: frame, ( gadget i j -- )
\ make-gadget get -rot grid-add ;