185 lines
		
	
	
		
			5.7 KiB
		
	
	
	
		
			Factor
		
	
	
			
		
		
	
	
			185 lines
		
	
	
		
			5.7 KiB
		
	
	
	
		
			Factor
		
	
	
! Copyright (C) 2006, 2009 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors arrays assocs classes combinators
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combinators.short-circuit compiler.units debugger fry help
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help.apropos help.crossref help.home help.topics help.stylesheet
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kernel models sequences ui ui.commands ui.gadgets ui.gadgets.borders
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ui.gadgets.buttons ui.gadgets.editors ui.gadgets.glass
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ui.gadgets.labels ui.gadgets.panes ui.gadgets.scrollers
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ui.gadgets.status-bar ui.gadgets.tracks ui.gadgets.viewports
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ui.gestures ui.tools.browser.history ui.tools.browser.popups
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ui.tools.common vocabs ;
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IN: ui.tools.browser
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TUPLE: browser-gadget < tool history scroller search-field popup ;
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{ 650 700 } browser-gadget set-tool-dim
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M: browser-gadget history-value
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    [ control-value ] [ scroller>> scroll-position ]
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    bi 2array ;
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M: browser-gadget set-history-value
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    [ first2 ] dip
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    [ set-control-value ] [ scroller>> set-scroll-position ]
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    bi-curry bi* ;
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: show-help ( link browser-gadget -- )
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    [ >link ] dip
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    [
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        2dup model>> value>> =
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        [ 2drop ] [ [ add-recent ] [ history>> add-history ] bi* ] if
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    ]
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    [ model>> set-model ]
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    2bi ;
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: <help-pane> ( browser-gadget -- gadget )
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    model>> [ '[ _ print-topic ] try ] <pane-control> ;
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: search-browser ( string browser -- )
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    '[ <apropos-search> _ show-help ] unless-empty ;
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: <search-field> ( browser -- field )
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    '[ _ search-browser ] <action-field>
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        10 >>min-cols
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        10 >>max-cols ;
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: <browser-toolbar> ( browser -- toolbar )
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    horizontal <track>
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        0 >>fill
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        1/2 >>align
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        { 5 5 } >>gap
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        over <toolbar> f track-add
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        swap search-field>> "Search:" label-on-left 1 track-add ;
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: <browser-gadget> ( link -- gadget )
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    vertical browser-gadget new-track
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        1 >>fill
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        swap >link <model> >>model
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        dup <history> >>history
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        dup <search-field> >>search-field
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        dup <browser-toolbar> { 3 3 } <border> { 1 0 } >>fill f track-add
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        dup dup <help-pane> { 10 0 } <border> { 1 1 } >>fill
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        <scroller> >>scroller scroller>> 1 track-add ;
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M: browser-gadget graft*
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    [ add-definition-observer ] [ call-next-method ] bi ;
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M: browser-gadget ungraft*
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    [ call-next-method ] [ remove-definition-observer ] bi ;
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M: browser-gadget handle-gesture
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    {
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        { [ over key-gesture? not ] [ call-next-method ] }
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        { [ dup popup>> ] [ { [ pass-to-popup ] [ call-next-method ] } 2&& ] }
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        [ call-next-method ]
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    } cond ;
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: showing-definition? ( defspec assoc -- ? )
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    {
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        [ key? ]
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        [ [ dup word-link? [ name>> ] when ] dip key? ]
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        [ [ dup vocab-link? [ lookup-vocab ] when ] dip key? ]
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    } 2|| ;
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M: browser-gadget definitions-changed ( assoc browser -- )
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    [ model>> value>> swap showing-definition? ] keep
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    '[ _ [ history-value ] keep set-history-value ] when ;
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M: browser-gadget focusable-child* search-field>> ;
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: (browser-window) ( topic -- )
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    <browser-gadget> "Browser" open-status-window ;
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: browser-window ( -- )
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    "help.home" (browser-window) ;
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: error-help-window ( error -- )
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    {
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        [ error-help ]
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        [ dup tuple? [ class-of ] [ drop "errors" ] if ]
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    } 1|| (browser-window) ;
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\ browser-window H{ { +nullary+ t } } define-command
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: com-browse ( link -- )
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    [ browser-gadget? ] find-window
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    [ [ raise-window ] [ gadget-child show-help ] bi ]
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    [ (browser-window) ] if* ;
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: show-browser ( -- )
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    [ browser-gadget? ] find-window
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    [ [ raise-window ] [ request-focus ] bi ] [ browser-window ] if* ;
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\ show-browser H{ { +nullary+ t } } define-command
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: com-back ( browser -- ) history>> go-back ;
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: com-forward ( browser -- ) history>> go-forward ;
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: com-home ( browser -- ) "help.home" swap show-help ;
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: browser-help ( -- ) "ui-browser" com-browse ;
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: glossary ( -- ) "conventions" com-browse ;
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\ browser-help H{ { +nullary+ t } } define-command
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\ glossary H{ { +nullary+ t } } define-command
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browser-gadget "toolbar" f {
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    { T{ key-down f { A+ } "LEFT" } com-back }
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    { T{ key-down f { A+ } "RIGHT" } com-forward }
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    { T{ key-down f { A+ } "H" } com-home }
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    { T{ key-down f f "F1" } browser-help }
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    { T{ key-down f { A+ } "F1" } glossary }
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} define-command-map
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: ?show-help ( link browser -- )
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    over [ show-help ] [ 2drop ] if ;
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: navigate ( browser quot -- )
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    '[ control-value @ ] keep ?show-help ; inline
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: com-up ( browser -- ) [ article-parent ] navigate ;
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: com-prev ( browser -- ) [ prev-article ] navigate ;
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: com-next ( browser -- ) [ next-article ] navigate ;
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browser-gadget "navigation" "Commands for navigating in the article hierarchy" {
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    { T{ key-down f { A+ } "u" } com-up }
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    { T{ key-down f { A+ } "p" } com-prev }
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    { T{ key-down f { A+ } "n" } com-next }
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    { T{ key-down f { A+ } "k" } com-show-outgoing-links }
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    { T{ key-down f { A+ } "K" } com-show-incoming-links }
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} define-command-map
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browser-gadget "multi-touch" f {
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    { left-action com-back }
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    { right-action com-forward }
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} define-command-map
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browser-gadget "scrolling"
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"The browser's scroller can be scrolled from the keyboard."
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{
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    { T{ key-down f f "UP" } com-scroll-up }
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    { T{ key-down f f "DOWN" } com-scroll-down }
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    { T{ key-down f f "PAGE_UP" } com-page-up }
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    { T{ key-down f f "PAGE_DOWN" } com-page-down }
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} define-command-map
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: com-font-size-plus ( browser -- )
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    2 adjust-help-font-size model>> notify-connections ;
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: com-font-size-minus ( browser -- )
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    -2 adjust-help-font-size model>> notify-connections ;
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browser-gadget "fonts" f {
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    { T{ key-down f { A+ } "+" } com-font-size-plus }
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    { T{ key-down f { A+ } "=" } com-font-size-plus }
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    { T{ key-down f { A+ } "_" } com-font-size-minus }
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    { T{ key-down f { A+ } "-" } com-font-size-minus }
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} define-command-map
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MAIN: browser-window
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