factor/basis/ui/tools/browser/browser.factor

183 lines
5.6 KiB
Factor

! Copyright (C) 2006, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors arrays assocs classes combinators
combinators.short-circuit compiler.units debugger fry help
help.apropos help.crossref help.home help.topics help.stylesheet
kernel models sequences ui ui.commands ui.gadgets ui.gadgets.borders
ui.gadgets.buttons ui.gadgets.editors ui.gadgets.glass
ui.gadgets.labels ui.gadgets.panes ui.gadgets.scrollers
ui.gadgets.status-bar ui.gadgets.tracks ui.gadgets.viewports
ui.gestures ui.tools.browser.history ui.tools.browser.popups
ui.tools.common vocabs ;
IN: ui.tools.browser
TUPLE: browser-gadget < tool history scroller search-field popup ;
{ 650 700 } browser-gadget set-tool-dim
M: browser-gadget history-value
[ control-value ] [ scroller>> scroll-position ]
bi 2array ;
M: browser-gadget set-history-value
[ first2 ] dip
[ set-control-value ] [ scroller>> set-scroll-position ]
bi-curry bi* ;
: show-help ( link browser-gadget -- )
[ >link ] dip
[
2dup model>> value>> =
[ 2drop ] [ [ add-recent ] [ history>> add-history ] bi* ] if
]
[ model>> set-model ]
2bi ;
: <help-pane> ( browser-gadget -- gadget )
model>> [ '[ _ print-topic ] try ] <pane-control> ;
: search-browser ( string browser -- )
'[ <apropos-search> _ show-help ] unless-empty ;
: <search-field> ( browser -- field )
'[ _ search-browser ] <action-field>
10 >>min-cols
10 >>max-cols ;
: <browser-toolbar> ( browser -- toolbar )
horizontal <track>
0 >>fill
1/2 >>align
{ 5 5 } >>gap
over <toolbar> f track-add
swap search-field>> "Search:" label-on-left 1 track-add ;
: <browser-gadget> ( link -- gadget )
vertical browser-gadget new-track
1 >>fill
swap >link <model> >>model
dup <history> >>history
dup <search-field> >>search-field
dup <browser-toolbar> { 3 3 } <border> { 1 0 } >>fill f track-add
dup dup <help-pane> { 10 0 } <border> { 1 1 } >>fill
<scroller> >>scroller scroller>> 1 track-add ;
M: browser-gadget graft*
[ add-definition-observer ] [ call-next-method ] bi ;
M: browser-gadget ungraft*
[ call-next-method ] [ remove-definition-observer ] bi ;
M: browser-gadget handle-gesture
{
{ [ over key-gesture? not ] [ call-next-method ] }
{ [ dup popup>> ] [ { [ pass-to-popup ] [ call-next-method ] } 2&& ] }
[ call-next-method ]
} cond ;
: showing-definition? ( defspec assoc -- ? )
{
[ key? ]
[ [ dup word-link? [ name>> ] when ] dip key? ]
[ [ dup vocab-link? [ lookup-vocab ] when ] dip key? ]
} 2|| ;
M: browser-gadget definitions-changed ( assoc browser -- )
[ model>> value>> swap showing-definition? ] keep
'[ _ [ history-value ] keep set-history-value ] when ;
M: browser-gadget focusable-child* search-field>> ;
: (browser-window) ( topic -- )
<browser-gadget> "Browser" open-status-window ;
: browser-window ( -- )
"help.home" (browser-window) ;
: error-help-window ( error -- )
{
[ error-help ]
[ dup tuple? [ class-of ] [ drop "errors" ] if ]
} 1|| (browser-window) ;
\ browser-window H{ { +nullary+ t } } define-command
: com-browse ( link -- )
[ browser-gadget? ] find-window
[ [ raise-window ] [ gadget-child show-help ] bi ]
[ (browser-window) ] if* ;
: show-browser ( -- )
[ browser-gadget? ] find-window
[ [ raise-window ] [ request-focus ] bi ] [ browser-window ] if* ;
\ show-browser H{ { +nullary+ t } } define-command
: com-back ( browser -- ) history>> go-back ;
: com-forward ( browser -- ) history>> go-forward ;
: com-home ( browser -- ) "help.home" swap show-help ;
: browser-help ( -- ) "ui-browser" com-browse ;
: glossary ( -- ) "conventions" com-browse ;
\ browser-help H{ { +nullary+ t } } define-command
\ glossary H{ { +nullary+ t } } define-command
browser-gadget "toolbar" f {
{ T{ key-down f { A+ } "LEFT" } com-back }
{ T{ key-down f { A+ } "RIGHT" } com-forward }
{ T{ key-down f { A+ } "H" } com-home }
{ T{ key-down f f "F1" } browser-help }
{ T{ key-down f { A+ } "F1" } glossary }
} define-command-map
: ?show-help ( link browser -- )
over [ show-help ] [ 2drop ] if ;
: navigate ( browser quot -- )
'[ control-value @ ] keep ?show-help ; inline
: com-up ( browser -- ) [ article-parent ] navigate ;
: com-prev ( browser -- ) [ prev-article ] navigate ;
: com-next ( browser -- ) [ next-article ] navigate ;
browser-gadget "navigation" "Commands for navigating in the article hierarchy" {
{ T{ key-down f { A+ } "u" } com-up }
{ T{ key-down f { A+ } "p" } com-prev }
{ T{ key-down f { A+ } "n" } com-next }
{ T{ key-down f { A+ } "k" } com-show-outgoing-links }
{ T{ key-down f { A+ } "K" } com-show-incoming-links }
} define-command-map
browser-gadget "multi-touch" f {
{ left-action com-back }
{ right-action com-forward }
} define-command-map
browser-gadget "scrolling"
"The browser's scroller can be scrolled from the keyboard."
{
{ T{ key-down f f "UP" } com-scroll-up }
{ T{ key-down f f "DOWN" } com-scroll-down }
{ T{ key-down f f "PAGE_UP" } com-page-up }
{ T{ key-down f f "PAGE_DOWN" } com-page-down }
} define-command-map
: com-font-size-plus ( browser -- )
2 adjust-help-font-size model>> notify-connections ;
: com-font-size-minus ( listener -- )
-2 adjust-help-font-size model>> notify-connections ;
browser-gadget "fonts" f {
{ T{ key-down f { A+ } "=" } com-font-size-plus }
{ T{ key-down f { A+ } "-" } com-font-size-minus }
} define-command-map
MAIN: browser-window