31 lines
834 B
Factor
31 lines
834 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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: layout ( gadget -- )
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#! Set the gadget's width and height to its preferred width
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#! and height. The gadget's children are laid out first.
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#! Note that nothing is done if the gadget does not need to
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#! be laid out.
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dup gadget-relayout? [
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dup gadget-paint [
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f over set-gadget-relayout?
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dup layout*
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gadget-children [ layout ] each
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] bind
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] [
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drop
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] ifte ;
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: with-pref-size ( quot -- )
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[
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0 width set 0 height set call width get height get
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] with-scope ; inline
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: with-layout ( quot -- )
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[ 0 x set 0 y set call ] with-scope ; inline
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: default-gap 3 ;
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