factor/core/ui/hierarchy.factor

139 lines
3.2 KiB
Factor

! Copyright (C) 2005, 2007 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: generic hashtables kernel math namespaces sequences vectors words ;
IN: gadgets
GENERIC: graft* ( gadget -- )
M: gadget graft* drop ;
: graft ( gadget -- )
t over set-gadget-grafted?
dup graft*
[ graft ] each-child ;
GENERIC: ungraft* ( gadget -- )
M: gadget ungraft* drop ;
: ungraft ( gadget -- )
dup gadget-grafted? [
dup [ ungraft ] each-child
dup ungraft*
f over set-gadget-grafted?
] when drop ;
: (unparent) ( gadget -- )
dup ungraft
dup forget-pref-dim
f swap set-gadget-parent ;
: unfocus-gadget ( child gadget -- )
tuck gadget-focus eq?
[ f swap set-gadget-focus ] [ drop ] if ;
: unparent ( gadget -- )
[
dup gadget-parent dup [
over (unparent)
[ unfocus-gadget ] 2keep
[ gadget-children delete ] keep
relayout
] [
2drop
] if
] when* ;
: (clear-gadget) ( gadget -- )
dup [ (unparent) ] each-child
f over set-gadget-focus
f swap set-gadget-children ;
: clear-gadget ( gadget -- )
dup (clear-gadget) relayout ;
: ((add-gadget)) ( gadget box -- )
[ gadget-children ?push ] keep set-gadget-children ;
: (add-gadget) ( gadget box -- )
over unparent
dup pick set-gadget-parent
[ ((add-gadget)) ] 2keep
gadget-grafted? [ graft ] [ drop ] if ;
: add-gadget ( gadget parent -- )
[ (add-gadget) ] keep relayout ;
: add-gadgets ( seq parent -- )
swap [ over (add-gadget) ] each relayout ;
: (parents) ( gadget -- )
[ dup , gadget-parent (parents) ] when* ;
: parents ( gadget -- seq )
[ (parents) ] { } make ;
: each-parent ( gadget quot -- ? )
>r parents r> all? ; inline
: find-parent ( gadget quot -- parent )
>r parents r> find nip ; inline
: screen-loc ( gadget -- loc )
parents { 0 0 } [ rect-loc v+ ] reduce ;
: (screen-rect) ( gadget -- loc ext )
dup gadget-parent [
>r rect-extent r> (screen-rect)
>r tuck v+ r> vmin >r v+ r>
] [
rect-extent
] if* ;
: screen-rect ( gadget -- rect )
(screen-rect) <extent-rect> ;
: child? ( parent child -- ? )
{
{ [ 2dup eq? ] [ 2drop t ] }
{ [ dup not ] [ 2drop f ] }
{ [ t ] [ gadget-parent child? ] }
} cond ;
GENERIC: focusable-child* ( gadget -- child/t )
M: gadget focusable-child* drop t ;
: focusable-child ( gadget -- child )
dup focusable-child*
dup t eq? [ drop ] [ nip focusable-child ] if ;
: make-gadget ( quot gadget -- gadget )
[ dup \ make-gadget set slip ] with-scope ; inline
: gadget, ( gadget -- ) \ make-gadget get add-gadget ;
: make-pile ( quot -- pack )
<pile> make-gadget ; inline
: make-filled-pile ( quot -- pack )
<filled-pile> make-gadget ; inline
: make-shelf ( quot -- pack )
<shelf> make-gadget ; inline
: with-gadget ( gadget quot -- )
[ swap gadget set call ] with-scope ; inline
: g ( -- gadget ) gadget get ;
: g-> ( x -- x x gadget ) dup g ;
: with-gadget ( gadget quot -- )
[
swap dup \ make-gadget set gadget set call
] with-scope ; inline
: build-gadget ( tuple quot gadget -- tuple )
pick set-gadget-delegate over >r with-gadget r> ; inline