103 lines
2.6 KiB
Factor
103 lines
2.6 KiB
Factor
! Copyright (C) 2006 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: arrays definitions kernel gadgets sequences strings math
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words generic namespaces hashtables help ;
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IN: gadgets
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TUPLE: command name gesture quot ;
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M: command equal? eq? ;
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GENERIC: invoke-command ( target command -- )
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M: command invoke-command ( target command -- )
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command-quot call ;
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GENERIC: gesture>string ( gesture -- string )
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: modifiers>string ( modifiers -- string )
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[ word-name ] map concat >string ;
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M: key-down gesture>string
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dup key-down-mods modifiers>string
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swap key-down-sym append ;
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M: button-up gesture>string
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[
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dup button-up-mods modifiers>string %
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"Click Button" %
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button-up-# [ " " % # ] when*
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] "" make ;
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M: button-down gesture>string
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[
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dup button-down-mods modifiers>string %
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"Press Button" %
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button-down-# [ " " % # ] when*
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] "" make ;
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M: object gesture>string drop f ;
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: commands ( class -- hash )
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dup "commands" word-prop [ ] [
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H{ } clone [ "commands" set-word-prop ] keep
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] ?if ;
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: commands>gestures ( class -- hash )
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commands hash-values concat
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[ command-gesture ] subset
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[ dup command-gesture swap [ invoke-command ] curry ]
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map>hash ;
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: define-commands ( class group specs -- )
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[ dup array? [ first3 <command> ] when ] map
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swap pick commands set-hash
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dup commands>gestures "gestures" set-word-prop ;
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: categorize-commands ( seq -- hash )
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dup
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[ hash-keys ] map concat prune
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[ dup pick [ hash ] map-with concat ] map>hash
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nip ;
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SYMBOL: +name+
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SYMBOL: +quot+
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SYMBOL: +listener+
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SYMBOL: +keyboard+
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SYMBOL: +mouse+
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TUPLE: operation predicate mouse listener? ;
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: (command) ( -- command )
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+name+ get +keyboard+ get +quot+ get <command> ;
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C: operation ( predicate hash -- operation )
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swap [
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(command) over set-delegate
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+mouse+ get over set-operation-mouse
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+listener+ get over set-operation-listener?
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] bind
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[ set-operation-predicate ] keep ;
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SYMBOL: operations
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: object-operations ( obj -- operations )
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operations get [ operation-predicate call ] subset-with ;
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: class-operations ( class -- operations )
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"predicate" word-prop
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operations get [ operation-predicate = ] subset-with ;
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: mouse-operation ( obj gesture -- command )
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swap object-operations
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[ operation-mouse = ] subset-with
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dup empty? [ drop f ] [ peek ] if ;
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: modify-operation ( quot operation -- operation )
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clone
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[ command-quot append ] keep
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[ set-command-quot ] keep ;
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: modify-operations ( operations quot -- operations )
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swap [ modify-operation ] map-with ;
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