1 ! Copyright (C) 2006, 2009 Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: accessors arrays classes colors colors.constants combinators
4 combinators.short-circuit compiler.units debugger fry help
5 help.apropos help.crossref help.home help.stylesheet help.topics
6 kernel models sequences sets ui ui.commands ui.gadgets
7 ui.gadgets.borders ui.gadgets.buttons ui.gadgets.colors ui.gadgets.editors
8 ui.gadgets.glass ui.gadgets.labels ui.gadgets.lines ui.gadgets.panes
9 ui.gadgets.scrollers ui.gadgets.status-bar ui.gadgets.tracks ui.gadgets.toolbar
10 ui.gadgets.viewports ui.gadgets.worlds ui.gestures
11 ui.tools.browser.history ui.tools.browser.popups ui.tools.common
12 ui.pens.solid vocabs ;
15 TUPLE: browser-gadget < tool history scroller search-field popup ;
17 { 650 700 } browser-gadget 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
37 : <help-header> ( browser-gadget -- gadget )
38 model>> [ '[ _ $title ] try ] <pane-control> ;
40 : add-help-header ( track -- track )
41 dup <help-header> { 3 3 } <border>
42 help-header-background <solid> >>interior
43 { 1 0 } >>fill f track-add ;
45 : <help-pane> ( browser-gadget -- gadget )
46 model>> [ '[ _ print-topic ] try ] <pane-control> ;
48 : add-help-pane ( track -- track )
49 dup dup <help-pane> margins
50 <scroller> >>scroller scroller>> white-interior 1 track-add ;
52 : search-browser ( string browser -- )
53 '[ <apropos-search> _ show-help ] unless-empty ;
55 : <search-field> ( browser -- field )
56 '[ _ search-browser ] <action-field>
61 : <browser-toolbar> ( browser -- toolbar )
66 over <toolbar> f track-add
67 swap search-field>> " Search" label-on-left 1 track-add ;
69 : add-browser-toolbar ( track -- track )
70 dup <browser-toolbar> format-toolbar f track-add ;
72 : <browser-gadget> ( link -- gadget )
73 vertical browser-gadget new-track with-lines
75 swap >link <model> >>model
76 dup <history> >>history
77 dup <search-field> >>search-field
82 M: browser-gadget graft*
83 [ add-definition-observer ] [ call-next-method ] bi ;
85 M: browser-gadget ungraft*
86 [ call-next-method ] [ remove-definition-observer ] bi ;
88 M: browser-gadget handle-gesture
90 { [ over key-gesture? not ] [ call-next-method ] }
91 { [ dup popup>> ] [ { [ pass-to-popup ] [ call-next-method ] } 2&& ] }
95 : showing-definition? ( defspec set -- ? )
98 [ [ dup word-link? [ name>> ] when ] dip in? ]
99 [ [ dup vocab-link? [ lookup-vocab ] when ] dip in? ]
102 M: browser-gadget definitions-changed ( set browser -- )
103 [ control-value swap showing-definition? ] keep
104 '[ _ [ history-value ] keep set-history-value ] when ;
106 M: browser-gadget focusable-child* search-field>> ;
108 : (browser-window) ( topic -- )
114 : browser-window ( -- )
115 "help.home" (browser-window) ;
117 : error-help-window ( error -- )
120 [ dup tuple? [ class-of ] [ drop "errors" ] if ]
121 } 1|| (browser-window) ;
123 \ browser-window H{ { +nullary+ t } } define-command
125 : com-browse ( link -- )
126 [ browser-gadget? ] find-window
127 [ [ raise-window ] [ gadget-child show-help ] bi ]
128 [ (browser-window) ] if* ;
130 : show-browser ( -- )
131 [ browser-gadget? ] find-window
132 [ [ raise-window ] [ request-focus ] bi ] [ browser-window ] if* ;
134 \ show-browser H{ { +nullary+ t } } define-command
136 : com-back ( browser -- ) history>> go-back ;
138 : com-forward ( browser -- ) history>> go-forward ;
140 : com-home ( browser -- ) "help.home" swap show-help ;
142 : browser-help ( -- ) "ui-browser" com-browse ;
144 : glossary ( -- ) "conventions" com-browse ;
146 \ browser-help H{ { +nullary+ t } } define-command
147 \ glossary H{ { +nullary+ t } } define-command
149 browser-gadget "toolbar" f {
150 { T{ key-down f { A+ } "LEFT" } com-back }
151 { T{ key-down f { A+ } "RIGHT" } com-forward }
152 { T{ key-down f { A+ } "H" } com-home }
153 { T{ key-down f f "F1" } browser-help }
154 { T{ key-down f { A+ } "F1" } glossary }
157 : ?show-help ( link browser -- )
158 over [ show-help ] [ 2drop ] if ;
160 : navigate ( browser quot -- )
161 '[ control-value @ ] keep ?show-help ; inline
163 : com-up ( browser -- ) [ article-parent ] navigate ;
165 : com-prev ( browser -- ) [ prev-article ] navigate ;
167 : com-next ( browser -- ) [ next-article ] navigate ;
169 browser-gadget "navigation" "Commands for navigating in the article hierarchy" {
170 { T{ key-down f { A+ } "u" } com-up }
171 { T{ key-down f { A+ } "p" } com-prev }
172 { T{ key-down f { A+ } "n" } com-next }
173 { T{ key-down f { A+ } "k" } com-show-outgoing-links }
174 { T{ key-down f { A+ } "K" } com-show-incoming-links }
177 browser-gadget "multi-touch" f {
178 { left-action com-back }
179 { right-action com-forward }
182 browser-gadget "scrolling"
183 "The browser's scroller can be scrolled from the keyboard."
185 { T{ key-down f f "UP" } com-scroll-up }
186 { T{ key-down f f "DOWN" } com-scroll-down }
187 { T{ key-down f f "PAGE_UP" } com-page-up }
188 { T{ key-down f f "PAGE_DOWN" } com-page-down }
191 : com-font-size-plus ( browser -- )
192 2 adjust-help-font-size model>> notify-connections ;
194 : com-font-size-minus ( browser -- )
195 -2 adjust-help-font-size model>> notify-connections ;
197 browser-gadget "fonts" f {
198 { T{ key-down f { A+ } "+" } com-font-size-plus }
199 { T{ key-down f { A+ } "=" } com-font-size-plus }
200 { T{ key-down f { A+ } "_" } com-font-size-minus }
201 { T{ key-down f { A+ } "-" } com-font-size-minus }