43 lines
1.2 KiB
Factor
43 lines
1.2 KiB
Factor
! Copyright (C) 2005, 2006 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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IN: gadgets
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USING: errors freetype gadgets-layouts generic hashtables kernel
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math namespaces opengl sequences ;
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! The world gadget is the top level gadget that all (visible)
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! gadgets are contained in.
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! fonts: mapping font tuples to sprite vectors
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! handle: native resource
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TUPLE: world gadget status focus fonts handle ;
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: free-fonts ( world -- )
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dup world-handle select-gl-context
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world-fonts dup hash-values [ free-sprites ] each
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clear-hash ;
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: font-sprites ( font world -- sprites )
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world-fonts [ drop V{ } clone ] cache ;
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DEFER: request-focus
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C: world ( gadget status -- world )
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{
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{ [ ] set-world-status @bottom }
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{ [ ] set-world-gadget @center }
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} make-frame*
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t over set-gadget-root?
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H{ } clone over set-world-fonts
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dup world-gadget request-focus ;
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: find-world [ world? ] find-parent ;
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M: world pref-dim* ( world -- dim )
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delegate pref-dim* { 1024 768 0 } vmin ;
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: focused-ancestors ( world -- seq )
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world-focus parents <reversed> ;
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: draw-string ( open-fonts string -- )
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>r dup world get font-sprites r> (draw-string) ;
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