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 fonts fry help
5 help.apropos help.crossref help.home help.markup help.stylesheet
6 help.topics io.styles kernel locals make math.vectors models
7 namespaces sequences sets ui ui.commands ui.gadgets ui.gadgets.borders
8 ui.gadgets.editors ui.gadgets.glass ui.gadgets.panes
9 ui.gadgets.scrollers ui.gadgets.status-bar ui.gadgets.toolbar
10 ui.gadgets.tracks ui.gadgets.viewports ui.gadgets.worlds ui.gestures
11 ui.pens.solid ui.theme ui.tools.browser.history
12 ui.tools.browser.popups ui.tools.common unicode vocabs ;
15 TUPLE: browser-gadget < tool history scroller search-field popup ;
17 browser-gadget default-font-size { 54 58 } n*v set-tool-dim
19 M: browser-gadget history-value
20 [ control-value ] [ scroller>> scroll-position ]
23 M: browser-gadget set-history-value
25 [ set-control-value ] [ scroller>> set-scroll-position ]
28 : show-help ( link browser-gadget -- )
32 [ 2drop ] [ [ add-recent ] [ history>> add-history ] bi* ] if
40 : add-navigation-arrow ( str direction -- str )
41 prev = [ "←" prefix ] [ "→" suffix ] if ;
43 : $navigation-arrow ( content element direction -- )
44 [ prefix 1array ] dip add-navigation-arrow , ;
46 :: $navigation ( topic direction -- )
49 direction prev/next-article
50 [ 1array \ $long-link direction $navigation-arrow ] when*
51 ] { } make [ ($navigation-table) ] unless-empty
55 title-style get clone page-color over delete-at
58 [ ($navigation-path) ] bi
61 : <help-header> ( browser-gadget -- gadget )
62 model>> [ '[ _ $title ] try ] <pane-control> ;
64 : add-help-header ( track -- track )
65 dup <help-header> { 3 3 } <border>
66 help-header-background <solid> >>interior
67 { 1 0 } >>fill f track-add ;
69 : <help-footer> ( browser-gadget direction -- gadget )
70 [ model>> ] dip '[ [ _ $navigation ] try ] <pane-control>
71 { 0 0 } <border> { 1/2 1/2 } >>align
72 toolbar-background <solid> >>interior ;
74 : add-help-footer ( track -- track )
75 horizontal <track> with-lines
76 dupd swap prev <help-footer> 1 track-add
77 dupd swap next <help-footer> 1 track-add
80 : print-topic ( topic -- )
83 article-content print-content ;
85 : <help-pane> ( browser-gadget -- gadget )
86 model>> [ '[ _ print-topic ] try ] <pane-control> ;
88 : add-help-pane ( track -- track )
89 dup dup <help-pane> margins
90 <scroller> >>scroller scroller>> white-interior 1 track-add ;
92 : search-browser ( string browser -- )
93 '[ [ blank? ] trim <apropos-search> _ show-help ] unless-empty ;
95 : <search-field> ( browser -- field )
96 '[ _ search-browser ] <action-field>
97 "Search" >>default-text
102 : <browser-toolbar> ( browser -- toolbar )
104 search-field>> horizontal <track>
105 0 >>fill swap 1 track-add
109 : add-browser-toolbar ( track -- track )
110 dup <browser-toolbar> format-toolbar f track-add ;
112 : <browser-gadget> ( link -- gadget )
113 vertical browser-gadget new-track with-lines
115 swap >link <model> >>model
116 dup <history> >>history
117 dup <search-field> >>search-field
123 M: browser-gadget graft*
124 [ add-definition-observer ] [ call-next-method ] bi ;
126 M: browser-gadget ungraft*
127 [ call-next-method ] [ remove-definition-observer ] bi ;
129 M: browser-gadget handle-gesture
131 { [ over key-gesture? not ] [ call-next-method ] }
132 { [ dup popup>> ] [ { [ pass-to-popup ] [ call-next-method ] } 2&& ] }
136 : showing-definition? ( defspec set -- ? )
139 [ [ dup word-link? [ name>> ] when ] dip in? ]
140 [ [ dup vocab-link? [ lookup-vocab ] when ] dip in? ]
143 M: browser-gadget definitions-changed
144 [ control-value swap showing-definition? ] keep
145 '[ _ [ history-value ] keep set-history-value ] when ;
147 M: browser-gadget focusable-child* search-field>> ;
149 : (browser-window) ( topic -- )
155 : browser-window ( -- )
156 "help.home" (browser-window) ;
158 : error-help-window ( error -- )
161 [ dup tuple? [ class-of ] [ drop "errors" ] if ]
162 } 1|| (browser-window) ;
164 \ browser-window H{ { +nullary+ t } } define-command
166 : com-browse ( link -- )
167 [ browser-gadget? ] find-window
168 [ [ raise-window ] [ gadget-child show-help ] bi ]
169 [ (browser-window) ] if* ;
171 : show-browser ( -- )
172 [ browser-gadget? ] find-window
173 [ [ raise-window ] [ request-focus ] bi ] [ browser-window ] if* ;
175 \ show-browser H{ { +nullary+ t } } define-command
177 : com-back ( browser -- ) history>> go-back ;
179 : com-forward ( browser -- ) history>> go-forward ;
181 : com-home ( browser -- ) "help.home" swap show-help ;
183 : browser-help ( -- ) "ui-browser" com-browse ;
185 : glossary ( -- ) "conventions" com-browse ;
187 \ browser-help H{ { +nullary+ t } } define-command
188 \ glossary H{ { +nullary+ t } } define-command
190 browser-gadget "toolbar" f {
191 { T{ key-down f { A+ } "LEFT" } com-back }
192 { T{ key-down f { A+ } "RIGHT" } com-forward }
193 { T{ key-down f { A+ } "H" } com-home }
194 { T{ key-down f f "F1" } browser-help }
195 { T{ key-down f { A+ } "F1" } glossary }
198 : ?show-help ( link browser -- )
199 over [ show-help ] [ 2drop ] if ;
201 : navigate ( browser quot -- )
202 '[ control-value @ ] keep ?show-help ; inline
204 : com-up ( browser -- ) [ article-parent ] navigate ;
206 : com-prev ( browser -- ) [ prev-article ] navigate ;
208 : com-next ( browser -- ) [ next-article ] navigate ;
210 browser-gadget "navigation" "Commands for navigating in the article hierarchy" {
211 { T{ key-down f { A+ } "u" } com-up }
212 { T{ key-down f { A+ } "p" } com-prev }
213 { T{ key-down f { A+ } "n" } com-next }
214 { T{ key-down f { A+ } "k" } com-show-outgoing-links }
215 { T{ key-down f { A+ } "K" } com-show-incoming-links }
218 browser-gadget "multi-touch" f {
219 { left-action com-back }
220 { right-action com-forward }
223 browser-gadget "touchbar" f {
231 browser-gadget "scrolling"
232 "The browser's scroller can be scrolled from the keyboard."
234 { T{ key-down f f "UP" } com-scroll-up }
235 { T{ key-down f f "DOWN" } com-scroll-down }
236 { T{ key-down f f "PAGE_UP" } com-page-up }
237 { T{ key-down f f "PAGE_DOWN" } com-page-down }
240 : com-font-size-plus ( browser -- )
241 2 adjust-help-font-size model>> notify-connections ;
243 : com-font-size-minus ( browser -- )
244 -2 adjust-help-font-size model>> notify-connections ;
246 browser-gadget "fonts" f {
247 { T{ key-down f { A+ } "+" } com-font-size-plus }
248 { T{ key-down f { A+ } "=" } com-font-size-plus }
249 { T{ key-down f { A+ } "_" } com-font-size-minus }
250 { T{ key-down f { A+ } "-" } com-font-size-minus }