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 kernel models
4 compiler.units assocs words vocabs accessors fry arrays
5 combinators.short-circuit namespaces sequences models 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 ui.gadgets.viewports
10 ui.tools.common ui.tools.browser.popups ui.tools.browser.history ;
13 TUPLE: browser-gadget < tool history pane scroller search-field popup ;
15 { 650 400 } browser-gadget set-tool-dim
17 M: browser-gadget history-value
18 [ control-value ] [ scroller>> scroll-position ]
21 M: browser-gadget set-history-value
23 [ set-control-value ] [ scroller>> set-scroll-position ]
26 : show-help ( link browser-gadget -- )
28 [ [ add-recent ] [ history>> add-history ] bi* ]
32 : <help-pane> ( browser-gadget -- gadget )
33 model>> [ '[ _ print-topic ] try ] <pane-control> ;
35 : search-browser ( string browser -- )
36 '[ <apropos> _ show-help ] unless-empty ;
38 : <search-field> ( browser -- field )
39 '[ _ search-browser ] <action-field>
43 : <browser-toolbar> ( browser -- toolbar )
48 over <toolbar> f track-add
49 swap search-field>> "Search:" label-on-left 1 track-add ;
51 : <browser-gadget> ( link -- gadget )
52 vertical browser-gadget new-track
54 swap >link <model> >>model
55 dup <history> >>history
56 dup <search-field> >>search-field
57 dup <browser-toolbar> { 3 3 } <border> { 1 0 } >>fill f track-add
58 dup <help-pane> >>pane
59 dup pane>> <scroller> >>scroller
60 dup scroller>> 1 track-add ;
62 M: browser-gadget graft*
63 [ add-definition-observer ] [ call-next-method ] bi ;
65 M: browser-gadget ungraft*
66 [ call-next-method ] [ remove-definition-observer ] bi ;
68 M: browser-gadget handle-gesture
70 { [ over key-gesture? not ] [ call-next-method ] }
71 { [ dup popup>> ] [ { [ pass-to-popup ] [ call-next-method ] } 2&& ] }
75 : showing-definition? ( defspec assoc -- ? )
78 [ [ dup word-link? [ name>> ] when ] dip key? ]
79 [ [ dup vocab-link? [ vocab ] when ] dip key? ]
82 M: browser-gadget definitions-changed ( assoc browser -- )
83 model>> [ value>> swap showing-definition? ] keep
84 '[ _ notify-connections ] when ;
86 M: browser-gadget focusable-child* search-field>> ;
88 : (browser-window) ( topic -- )
89 <browser-gadget> "Browser" open-status-window ;
91 : browser-window ( -- )
92 "help.home" (browser-window) ;
94 : error-help-window ( error -- )
96 [ dup tuple? [ class ] [ drop "errors" ] if ] bi or (browser-window) ;
98 \ browser-window H{ { +nullary+ t } } define-command
100 : com-browse ( link -- )
101 [ browser-gadget? ] find-window
102 [ [ raise-window ] [ gadget-child show-help ] bi ]
103 [ (browser-window) ] if* ;
105 : show-browser ( -- )
106 [ browser-gadget? ] find-window
107 [ [ raise-window ] [ request-focus ] bi ] [ browser-window ] if* ;
109 \ show-browser H{ { +nullary+ t } } define-command
111 : com-back ( browser -- ) history>> go-back ;
113 : com-forward ( browser -- ) history>> go-forward ;
115 : com-home ( browser -- ) "help.home" swap show-help ;
117 : browser-help ( -- ) "ui-browser" com-browse ;
119 \ browser-help H{ { +nullary+ t } } define-command
121 browser-gadget "toolbar" f {
122 { T{ key-down f { A+ } "LEFT" } com-back }
123 { T{ key-down f { A+ } "RIGHT" } com-forward }
124 { T{ key-down f { A+ } "H" } com-home }
125 { T{ key-down f f "F1" } browser-help }
128 : ?show-help ( link browser -- )
129 over [ show-help ] [ 2drop ] if ;
131 : navigate ( browser quot -- )
132 '[ control-value @ ] keep ?show-help ; inline
134 : com-up ( browser -- ) [ article-parent ] navigate ;
136 : com-prev ( browser -- ) [ prev-article ] navigate ;
138 : com-next ( browser -- ) [ next-article ] navigate ;
140 browser-gadget "navigation" "Commands for navigating in the article hierarchy" {
141 { T{ key-down f { A+ } "u" } com-up }
142 { T{ key-down f { A+ } "p" } com-prev }
143 { T{ key-down f { A+ } "n" } com-next }
144 { T{ key-down f { A+ } "k" } com-show-outgoing-links }
145 { T{ key-down f { A+ } "K" } com-show-incoming-links }
148 browser-gadget "multi-touch" f {
149 { left-action com-back }
150 { right-action com-forward }
153 browser-gadget "scrolling"
154 "The browser's scroller can be scrolled from the keyboard."
156 { T{ key-down f f "UP" } com-scroll-up }
157 { T{ key-down f f "DOWN" } com-scroll-down }
158 { T{ key-down f f "PAGE_UP" } com-page-up }
159 { T{ key-down f f "PAGE_DOWN" } com-page-down }