1 ! Copyright (C) 2006, 2009 Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: accessors arrays assocs classes combinators
4 combinators.short-circuit compiler.units debugger fry help
5 help.apropos help.crossref help.home help.topics help.stylesheet
6 kernel models sequences ui ui.commands ui.gadgets ui.gadgets.borders
7 ui.gadgets.buttons ui.gadgets.editors ui.gadgets.glass
8 ui.gadgets.labels ui.gadgets.panes ui.gadgets.scrollers
9 ui.gadgets.status-bar ui.gadgets.tracks ui.gadgets.viewports
10 ui.gestures ui.tools.browser.history ui.tools.browser.popups
11 ui.tools.common vocabs ;
14 TUPLE: browser-gadget < tool history scroller search-field popup ;
16 { 650 700 } 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-search> _ 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 dup <help-pane> { 10 0 } <border> { 1 1 } >>fill
63 <scroller> >>scroller scroller>> 1 track-add ;
65 M: browser-gadget graft*
66 [ add-definition-observer ] [ call-next-method ] bi ;
68 M: browser-gadget ungraft*
69 [ call-next-method ] [ remove-definition-observer ] bi ;
71 M: browser-gadget handle-gesture
73 { [ over key-gesture? not ] [ call-next-method ] }
74 { [ dup popup>> ] [ { [ pass-to-popup ] [ call-next-method ] } 2&& ] }
78 : showing-definition? ( defspec assoc -- ? )
81 [ [ dup word-link? [ name>> ] when ] dip key? ]
82 [ [ dup vocab-link? [ lookup-vocab ] when ] dip key? ]
85 M: browser-gadget definitions-changed ( assoc browser -- )
86 [ model>> value>> swap showing-definition? ] keep
87 '[ _ [ history-value ] keep set-history-value ] when ;
89 M: browser-gadget focusable-child* search-field>> ;
91 : (browser-window) ( topic -- )
92 <browser-gadget> "Browser" open-status-window ;
94 : browser-window ( -- )
95 "help.home" (browser-window) ;
97 : error-help-window ( error -- )
100 [ dup tuple? [ class-of ] [ drop "errors" ] if ]
101 } 1|| (browser-window) ;
103 \ browser-window H{ { +nullary+ t } } define-command
105 : com-browse ( link -- )
106 [ browser-gadget? ] find-window
107 [ [ raise-window ] [ gadget-child show-help ] bi ]
108 [ (browser-window) ] if* ;
110 : show-browser ( -- )
111 [ browser-gadget? ] find-window
112 [ [ raise-window ] [ request-focus ] bi ] [ browser-window ] if* ;
114 \ show-browser H{ { +nullary+ t } } define-command
116 : com-back ( browser -- ) history>> go-back ;
118 : com-forward ( browser -- ) history>> go-forward ;
120 : com-home ( browser -- ) "help.home" swap show-help ;
122 : browser-help ( -- ) "ui-browser" com-browse ;
124 : glossary ( -- ) "conventions" com-browse ;
126 \ browser-help H{ { +nullary+ t } } define-command
127 \ glossary H{ { +nullary+ t } } define-command
129 browser-gadget "toolbar" f {
130 { T{ key-down f { A+ } "LEFT" } com-back }
131 { T{ key-down f { A+ } "RIGHT" } com-forward }
132 { T{ key-down f { A+ } "H" } com-home }
133 { T{ key-down f f "F1" } browser-help }
134 { T{ key-down f { A+ } "F1" } glossary }
137 : ?show-help ( link browser -- )
138 over [ show-help ] [ 2drop ] if ;
140 : navigate ( browser quot -- )
141 '[ control-value @ ] keep ?show-help ; inline
143 : com-up ( browser -- ) [ article-parent ] navigate ;
145 : com-prev ( browser -- ) [ prev-article ] navigate ;
147 : com-next ( browser -- ) [ next-article ] navigate ;
149 browser-gadget "navigation" "Commands for navigating in the article hierarchy" {
150 { T{ key-down f { A+ } "u" } com-up }
151 { T{ key-down f { A+ } "p" } com-prev }
152 { T{ key-down f { A+ } "n" } com-next }
153 { T{ key-down f { A+ } "k" } com-show-outgoing-links }
154 { T{ key-down f { A+ } "K" } com-show-incoming-links }
157 browser-gadget "multi-touch" f {
158 { left-action com-back }
159 { right-action com-forward }
162 browser-gadget "scrolling"
163 "The browser's scroller can be scrolled from the keyboard."
165 { T{ key-down f f "UP" } com-scroll-up }
166 { T{ key-down f f "DOWN" } com-scroll-down }
167 { T{ key-down f f "PAGE_UP" } com-page-up }
168 { T{ key-down f f "PAGE_DOWN" } com-page-down }
171 : com-font-size-plus ( browser -- )
172 2 adjust-help-font-size model>> notify-connections ;
174 : com-font-size-minus ( browser -- )
175 -2 adjust-help-font-size model>> notify-connections ;
177 browser-gadget "fonts" f {
178 { T{ key-down f { A+ } "+" } com-font-size-plus }
179 { T{ key-down f { A+ } "=" } com-font-size-plus }
180 { T{ key-down f { A+ } "_" } com-font-size-minus }
181 { T{ key-down f { A+ } "-" } com-font-size-minus }