1 ! Copyright (C) 2006, 2009 Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: debugger classes help help.topics help.crossref help.home
4 kernel models compiler.units assocs words vocabs accessors fry arrays
5 combinators.short-circuit namespaces sequences help.apropos
6 combinators ui ui.commands ui.gadgets ui.gadgets.panes
7 ui.gadgets.scrollers ui.gadgets.tracks ui.gestures ui.gadgets.buttons
8 ui.gadgets.packs ui.gadgets.editors ui.gadgets.labels
9 ui.gadgets.status-bar ui.gadgets.glass ui.gadgets.borders
10 ui.gadgets.viewports ui.tools.common ui.tools.browser.popups
11 ui.tools.browser.history ;
14 TUPLE: browser-gadget < tool history pane scroller search-field popup ;
16 { 650 400 } browser-gadget set-tool-dim
18 M: browser-gadget history-value
19 [ control-value ] [ scroller>> scroll-position ]
22 M: browser-gadget set-history-value
24 [ set-control-value ] [ scroller>> set-scroll-position ]
27 : show-help ( link browser-gadget -- )
30 2dup model>> value>> =
31 [ 2drop ] [ [ add-recent ] [ history>> add-history ] bi* ] if
36 : <help-pane> ( browser-gadget -- gadget )
37 model>> [ '[ _ print-topic ] try ] <pane-control> ;
39 : search-browser ( string browser -- )
40 '[ <apropos> _ show-help ] unless-empty ;
42 : <search-field> ( browser -- field )
43 '[ _ search-browser ] <action-field>
47 : <browser-toolbar> ( browser -- toolbar )
52 over <toolbar> f track-add
53 swap search-field>> "Search:" label-on-left 1 track-add ;
55 : <browser-gadget> ( link -- gadget )
56 vertical browser-gadget new-track
58 swap >link <model> >>model
59 dup <history> >>history
60 dup <search-field> >>search-field
61 dup <browser-toolbar> { 3 3 } <border> { 1 0 } >>fill f track-add
62 dup <help-pane> >>pane
63 dup pane>> <scroller> >>scroller
64 dup scroller>> 1 track-add ;
66 M: browser-gadget graft*
67 [ add-definition-observer ] [ call-next-method ] bi ;
69 M: browser-gadget ungraft*
70 [ call-next-method ] [ remove-definition-observer ] bi ;
72 M: browser-gadget handle-gesture
74 { [ over key-gesture? not ] [ call-next-method ] }
75 { [ dup popup>> ] [ { [ pass-to-popup ] [ call-next-method ] } 2&& ] }
79 : showing-definition? ( defspec assoc -- ? )
82 [ [ dup word-link? [ name>> ] when ] dip key? ]
83 [ [ dup vocab-link? [ vocab ] when ] dip key? ]
86 M: browser-gadget definitions-changed ( assoc browser -- )
87 model>> [ value>> swap showing-definition? ] keep
88 '[ _ notify-connections ] when ;
90 M: browser-gadget focusable-child* search-field>> ;
92 : (browser-window) ( topic -- )
93 <browser-gadget> "Browser" open-status-window ;
95 : browser-window ( -- )
96 "help.home" (browser-window) ;
98 : error-help-window ( error -- )
100 [ dup tuple? [ class ] [ drop "errors" ] if ] bi or (browser-window) ;
102 \ browser-window H{ { +nullary+ t } } define-command
104 : com-browse ( link -- )
105 [ browser-gadget? ] find-window
106 [ [ raise-window ] [ gadget-child show-help ] bi ]
107 [ (browser-window) ] if* ;
109 : show-browser ( -- )
110 [ browser-gadget? ] find-window
111 [ [ raise-window ] [ request-focus ] bi ] [ browser-window ] if* ;
113 \ show-browser H{ { +nullary+ t } } define-command
115 : com-back ( browser -- ) history>> go-back ;
117 : com-forward ( browser -- ) history>> go-forward ;
119 : com-home ( browser -- ) "help.home" swap show-help ;
121 : browser-help ( -- ) "ui-browser" com-browse ;
123 \ browser-help H{ { +nullary+ t } } define-command
125 browser-gadget "toolbar" f {
126 { T{ key-down f { A+ } "LEFT" } com-back }
127 { T{ key-down f { A+ } "RIGHT" } com-forward }
128 { T{ key-down f { A+ } "H" } com-home }
129 { T{ key-down f f "F1" } browser-help }
132 : ?show-help ( link browser -- )
133 over [ show-help ] [ 2drop ] if ;
135 : navigate ( browser quot -- )
136 '[ control-value @ ] keep ?show-help ; inline
138 : com-up ( browser -- ) [ article-parent ] navigate ;
140 : com-prev ( browser -- ) [ prev-article ] navigate ;
142 : com-next ( browser -- ) [ next-article ] navigate ;
144 browser-gadget "navigation" "Commands for navigating in the article hierarchy" {
145 { T{ key-down f { A+ } "u" } com-up }
146 { T{ key-down f { A+ } "p" } com-prev }
147 { T{ key-down f { A+ } "n" } com-next }
148 { T{ key-down f { A+ } "k" } com-show-outgoing-links }
149 { T{ key-down f { A+ } "K" } com-show-incoming-links }
152 browser-gadget "multi-touch" f {
153 { left-action com-back }
154 { right-action com-forward }
157 browser-gadget "scrolling"
158 "The browser's scroller can be scrolled from the keyboard."
160 { T{ key-down f f "UP" } com-scroll-up }
161 { T{ key-down f f "DOWN" } com-scroll-down }
162 { T{ key-down f f "PAGE_UP" } com-page-up }
163 { T{ key-down f f "PAGE_DOWN" } com-page-down }