factor/library/ui/tools/help.factor

49 lines
1.3 KiB
Factor

! Copyright (C) 2006 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
IN: gadgets-help
USING: gadgets gadgets-borders gadgets-buttons gadgets-frames
gadgets-panes gadgets-search gadgets-scrolling help kernel
models namespaces sequences gadgets-tracks gadgets-workspace ;
TUPLE: help-gadget pane history search ;
: show-help ( link help -- )
dup help-gadget-history add-history
help-gadget-history set-model ;
: go-home ( help -- ) "handbook" swap show-help ;
: <help-pane> ( history -- gadget )
gadget get help-gadget-history [ help ] <pane-control> ;
: init-history ( help-gadget -- )
T{ link f "handbook" } <history>
swap set-help-gadget-history ;
C: help-gadget ( -- gadget )
dup init-history {
{
[ <help-pane> ]
set-help-gadget-pane
[ <scroller> ]
4/5
}
{
[ "" [ help-gadget call-tool ] <help-search> ]
set-help-gadget-search
[ "Help search" <labelled-gadget> ]
1/5
}
} { 0 1 } make-track* ;
M: help-gadget focusable-child* help-gadget-search ;
M: help-gadget call-tool* show-help ;
M: help-gadget tool-scroller help-gadget-pane find-scroller ;
M: help-gadget tool-help drop "ui-help" ;
: help-action ( help-gadget -- link )
help-gadget-history model-value >link ;