58 lines
1.9 KiB
Factor
58 lines
1.9 KiB
Factor
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! 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-presentations
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USING: arrays definitions gadgets gadgets-borders
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gadgets-buttons gadgets-labels gadgets-theme
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generic hashtables tools io kernel prettyprint sequences strings
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styles words help math models namespaces ;
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TUPLE: presentation object hook ;
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: invoke-presentation ( presentation command -- )
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over dup presentation-hook call
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>r presentation-object r> invoke-command ;
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: invoke-primary ( presentation -- )
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dup presentation-object primary-operation
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invoke-presentation ;
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: invoke-secondary ( presentation -- )
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dup presentation-object secondary-operation
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invoke-presentation ;
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: show-mouse-help ( presentation -- )
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dup presentation-object over show-status button-update ;
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C: presentation ( label object -- button )
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[ drop ] over set-presentation-hook
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[ set-presentation-object ] keep
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swap [ invoke-primary ] <roll-button>
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over set-gadget-delegate ;
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M: presentation ungraft*
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dup hand-gadget get-global child? [ dup hide-status ] when
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delegate ungraft* ;
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: operations-menu ( presentation -- )
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dup
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dup presentation-hook curry
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over presentation-object
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dup object-operations <commands-menu>
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swap show-menu ;
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presentation H{
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{ T{ button-down f f 3 } [ operations-menu ] }
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{ T{ mouse-leave } [ dup hide-status button-update ] }
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{ T{ mouse-enter } [ show-mouse-help ] }
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! Responding to motion too allows nested presentations to
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! display status help properly, when the mouse leaves a
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! nested presentation and is still inside the parent, the
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! parent doesn't receive a mouse-enter
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{ T{ motion } [ show-mouse-help ] }
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} set-gestures
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! Presentation help bar
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: <presentation-help> ( model -- gadget )
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[ [ summary ] [ "" ] if* ] <filter> <label-control>
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dup reverse-video-theme ;
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