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 help
5 help.apropos help.crossref help.home help.markup help.stylesheet
6 help.topics io.styles kernel literals make math math.vectors
7 models namespaces sequences sets system ui ui.commands
8 ui.gadgets ui.gadgets.borders ui.gadgets.editors
9 ui.gadgets.glass ui.gadgets.panes ui.gadgets.scrollers
10 ui.gadgets.status-bar ui.gadgets.toolbar ui.gadgets.tracks
11 ui.gadgets.viewports ui.gadgets.worlds ui.gestures ui.pens.solid
12 ui.theme ui.tools.browser.history ui.tools.browser.popups
13 ui.tools.common unicode vocabs ;
16 TUPLE: browser-gadget < tool history scroller search-field popup ;
18 browser-gadget default-font-size { 54 58 } n*v set-tool-dim
20 M: browser-gadget history-value
21 [ control-value ] [ scroller>> scroll-position ]
24 M: browser-gadget set-history-value
26 [ set-control-value ] [ scroller>> set-scroll-position ]
29 : show-help ( link browser-gadget -- )
33 [ 2drop ] [ [ add-recent ] [ history>> add-history ] bi* ] if
41 : add-navigation-arrow ( str direction -- str )
42 prev = [ "←" prefix ] [ "→" suffix ] if ;
44 : $navigation-arrow ( content element direction -- )
45 [ prefix 1array ] dip add-navigation-arrow , ;
47 :: $navigation ( topic direction -- )
50 direction prev/next-article
51 [ 1array \ $long-link direction $navigation-arrow ] when*
52 ] { } make [ ($navigation-table) ] unless-empty
56 title-style get clone page-color over delete-at
59 [ ($navigation-path) ] bi
62 : <help-header> ( browser-gadget -- gadget )
63 model>> [ '[ _ $title ] try ] <pane-control> ;
65 : add-help-header ( track -- track )
66 dup <help-header> { 3 3 } <border>
67 help-header-background <solid> >>interior
68 { 1 0 } >>fill f track-add ;
70 : <help-footer> ( browser-gadget direction -- gadget )
71 [ model>> ] dip '[ [ _ $navigation ] try ] <pane-control>
72 { 0 0 } <border> { 1/2 1/2 } >>align
73 toolbar-background <solid> >>interior ;
75 : add-help-footer ( track -- track )
76 horizontal <track> with-lines
77 dupd swap prev <help-footer> 1 track-add
78 dupd swap next <help-footer> 1 track-add
81 : print-topic ( topic -- )
84 article-content print-content ;
86 : <help-pane> ( browser-gadget -- gadget )
87 model>> [ '[ _ print-topic ] try ] <pane-control> ;
89 : add-help-pane ( track -- track )
90 dup dup <help-pane> margins
91 <scroller> >>scroller scroller>> white-interior 1 track-add ;
93 : search-browser ( string browser -- )
94 '[ [ blank? ] trim <apropos-search> _ show-help ] unless-empty ;
96 : <search-field> ( browser -- field )
97 '[ _ search-browser ] <action-field>
98 "Search" >>default-text
103 : <browser-toolbar> ( browser -- toolbar )
105 search-field>> horizontal <track>
106 0 >>fill swap 1 track-add
110 : add-browser-toolbar ( track -- track )
111 dup <browser-toolbar> format-toolbar f track-add ;
113 : <browser-gadget> ( link -- gadget )
114 vertical browser-gadget new-track with-lines
116 swap >link <model> >>model
117 dup <history> >>history
118 dup <search-field> >>search-field
124 M: browser-gadget graft*
125 [ add-definition-observer ] [ call-next-method ] bi ;
127 M: browser-gadget ungraft*
128 [ call-next-method ] [ remove-definition-observer ] bi ;
130 M: browser-gadget handle-gesture
132 { [ over key-gesture? not ] [ call-next-method ] }
133 { [ dup popup>> ] [ { [ pass-to-popup ] [ call-next-method ] } 2&& ] }
137 : showing-definition? ( defspec set -- ? )
140 [ [ dup word-link? [ name>> ] when ] dip in? ]
141 [ [ dup vocab-link? [ lookup-vocab ] when ] dip in? ]
144 M: browser-gadget definitions-changed
145 [ control-value swap showing-definition? ] keep
146 '[ _ [ history-value ] keep set-history-value ] when ;
148 M: browser-gadget focusable-child* search-field>> ;
150 : (browser-window) ( topic -- )
156 : browser-window ( -- )
157 "help.home" (browser-window) ;
159 : error-help-window ( error -- )
162 [ dup tuple? [ class-of ] [ drop "errors" ] if ]
163 } 1|| (browser-window) ;
165 \ browser-window H{ { +nullary+ t } } define-command
167 : com-browse ( link -- )
168 [ browser-gadget? ] find-window
169 [ [ raise-window ] [ gadget-child show-help ] bi ]
170 [ (browser-window) ] if* ;
172 : show-browser ( -- )
173 [ browser-gadget? ] find-window
174 [ [ raise-window ] [ request-focus ] bi ] [ browser-window ] if* ;
176 \ show-browser H{ { +nullary+ t } } define-command
178 : com-back ( browser -- ) history>> go-back ;
180 : com-forward ( browser -- ) history>> go-forward ;
182 : browser-focus-search ( browser -- ) search-field>> request-focus ;
184 : com-home ( browser -- ) "help.home" swap show-help ;
186 : browser-help ( -- ) "ui-browser" com-browse ;
188 : glossary ( -- ) "conventions" com-browse ;
190 \ browser-help H{ { +nullary+ t } } define-command
191 \ glossary H{ { +nullary+ t } } define-command
193 browser-gadget "toolbar" f {
194 { T{ key-down f ${ os macosx? M+ A+ ? } "LEFT" } com-back }
195 { T{ key-down f ${ os macosx? M+ A+ ? } "RIGHT" } com-forward }
196 { T{ key-down f ${ os macosx? M+ A+ ? } "HOME" } com-home }
197 { T{ key-down f f "F1" } browser-help }
198 { T{ key-down f ${ os macosx? M+ A+ ? } "F1" } glossary }
201 : ?show-help ( link browser -- )
202 over [ show-help ] [ 2drop ] if ;
204 : navigate ( browser quot -- )
205 '[ control-value @ ] keep ?show-help ; inline
207 : com-up ( browser -- ) [ article-parent ] navigate ;
209 : com-prev ( browser -- ) [ prev-article ] navigate ;
211 : com-next ( browser -- ) [ next-article ] navigate ;
213 browser-gadget "navigation" "Commands for navigating in the article hierarchy" {
214 { T{ key-down f ${ os macosx? M+ A+ ? } "UP" } com-up }
215 { T{ key-down f ${ os macosx? M+ A+ ? } "p" } com-prev }
216 { T{ key-down f ${ os macosx? M+ A+ ? } "n" } com-next }
217 { T{ key-down f ${ os macosx? M+ A+ ? } "k" } com-show-outgoing-links }
218 { T{ key-down f ${ os macosx? M+ A+ ? } "K" } com-show-incoming-links }
219 { T{ key-down f ${ os macosx? M+ A+ ? } "f" } browser-focus-search }
221 { T{ key-down f { M+ } "[" } com-back }
222 { T{ key-down f { M+ } "]" } com-forward }
223 } append ] when define-command-map
225 browser-gadget "multi-touch" f {
226 { left-action com-back }
227 { right-action com-forward }
230 browser-gadget "touchbar" f {
238 browser-gadget "scrolling"
239 "The browser's scroller can be scrolled from the keyboard."
241 { T{ key-down f f "UP" } com-scroll-up }
242 { T{ key-down f f "DOWN" } com-scroll-down }
243 { T{ key-down f f "PAGE_UP" } com-page-up }
244 { T{ key-down f f "PAGE_DOWN" } com-page-down }
247 : com-font-size-plus ( browser -- )
248 2 adjust-help-font-size model>> notify-connections ;
250 : com-font-size-minus ( browser -- )
251 -2 adjust-help-font-size model>> notify-connections ;
253 : com-font-size-normal ( browser -- )
254 font-size-span default-style get font-size of -
255 adjust-help-font-size model>> notify-connections ;
257 browser-gadget "fonts" f {
258 { T{ key-down f ${ os macosx? M+ C+ ? } "+" } com-font-size-plus }
259 { T{ key-down f ${ os macosx? M+ C+ ? } "=" } com-font-size-plus }
260 { T{ key-down f ${ os macosx? M+ C+ ? } "_" } com-font-size-minus }
261 { T{ key-down f ${ os macosx? M+ C+ ? } "-" } com-font-size-minus }
262 { T{ key-down f ${ os macosx? M+ C+ ? } "0" } com-font-size-normal }