28 lines
741 B
Factor
28 lines
741 B
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-viewports
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USING: arrays gadgets gadgets-borders generic kernel math
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namespaces sequences ;
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TUPLE: viewport ;
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: find-viewport [ viewport? ] find-parent ;
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: viewport-dim gadget-child pref-dim ;
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C: viewport ( content -- viewport )
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dup delegate>gadget
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[ >r 3 <border> r> add-gadget ] keep
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t over set-gadget-clipped? ;
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M: viewport layout* ( viewport -- )
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dup gadget-child dup pref-dim rot rect-dim vmax
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swap set-layout-dim ;
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M: viewport focusable-child* ( viewport -- gadget )
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gadget-child ;
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M: viewport pref-dim* ( viewport -- dim ) viewport-dim ;
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: viewport-rect ( rect -- rect ) { 3 3 } offset-rect ;
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