28 lines
707 B
Factor
28 lines
707 B
Factor
! Copyright (C) 2005 Slava Pestov.
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! See http://factor.sf.net/license.txt for BSD license.
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IN: gadgets
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USING: errors generic hashtables kernel lists math namespaces
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sdl ;
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! A stack just lays out all its children on top of each other.
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TUPLE: stack ;
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C: stack ( list -- stack )
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<empty-gadget> over set-delegate
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swap [ over add-gadget ] each ;
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: max-size ( stack -- w h )
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[
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[
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dup
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shape-w width [ max ] change
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shape-h height [ max ] change
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] each
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] with-pref-size ;
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M: stack pref-size gadget-children max-size ;
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M: stack layout* ( stack -- )
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dup gadget-children [
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>r dup shape-w over shape-h r> resize-gadget
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] each drop ;
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