32 lines
838 B
Factor
32 lines
838 B
Factor
! Copyright (C) 2006, 2008 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors kernel sequences models ui.gadgets
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math.geometry.rect fry ;
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IN: ui.gadgets.books
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TUPLE: book < gadget ;
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: hide-all ( book -- ) children>> [ hide-gadget ] each ;
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: current-page ( book -- gadget ) [ control-value ] keep nth-gadget ;
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M: book model-changed ( model book -- )
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nip
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dup hide-all
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dup current-page show-gadget
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relayout ;
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: new-book ( pages model class -- book )
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new-gadget
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swap >>model
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swap add-gadgets ; inline
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: <book> ( pages model -- book ) book new-book ;
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M: book pref-dim* ( book -- dim ) children>> pref-dims max-dim ;
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M: book layout* ( book -- )
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[ children>> ] [ dim>> ] bi '[ _ >>dim drop ] each ;
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M: book focusable-child* ( book -- child/t ) current-page ;
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