steve
/
factor
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

ui.gadgets.scrollers: Nicer version of 'find-scroller*'

db4
Eduardo Cavazos 2008-11-10 02:10:18 -06:00
parent 2bf9a55cea
commit 6df7342b81
1 changed files with 6 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
basis/ui/gadgets/scrollers/scrollers.factor
View File

@ -4,7 +4,8 @@ USING: accessors arrays ui.gadgets ui.gadgets.viewports
ui.gadgets.frames ui.gadgets.grids ui.gadgets.theme
ui.gadgets.sliders ui.gestures kernel math namespaces sequences
models models.range models.compose
combinators math.vectors classes.tuple math.geometry.rect ;
combinators math.vectors classes.tuple math.geometry.rect
combinators.short-circuit ;
IN: ui.gadgets.scrollers
TUPLE: scroller < frame viewport x y follows ;
@ -70,13 +71,10 @@ scroller H{
: relative-scroll-rect ( rect gadget scroller -- newrect )
viewport>> gadget-child relative-loc offset-rect ;
: find-scroller* ( gadget -- scroller )
dup find-scroller dup [
2dup viewport>> gadget-child
swap child? [ nip ] [ 2drop f ] if
] [
2drop f
] if ;
: find-scroller* ( gadget -- scroller/f )
dup find-scroller
{ [ nip ] [ viewport>> gadget-child swap child? ] [ nip ] }
2&& ;
: scroll>rect ( rect gadget -- )
dup find-scroller* dup [