29 lines
929 B
Factor
29 lines
929 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: generic kernel lists math namespaces sdl sdl-ttf stdio ;
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! A label gadget draws a string.
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TUPLE: label text delegate ;
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C: label ( text -- )
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<empty-gadget> over set-label-delegate
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[ set-label-text ] keep ;
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: update-rollover ( gadget -- )
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dup dup my-hand hand-gadget child?
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rollover? set-paint-property redraw ;
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: <roll-label> ( text -- )
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#! A label that shows an outline when the mouse is over it.
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<label> 0 0 0 0 <roll-rect> <gadget> over set-label-delegate
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dup [ update-rollover ] [ mouse-enter ] set-action
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dup [ update-rollover ] [ mouse-leave ] set-action ;
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M: label layout* ( label -- )
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[ label-text dup shape-w swap shape-h ] keep resize-gadget ;
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M: label draw-shape ( label -- )
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dup label-delegate draw-shape
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dup shape-pos [ label-text draw-shape ] with-trans ;
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