scroll-position ( scroller -- loc )
Factor handbook » UI framework » Building user interfaces » Pre-made UI gadgets » Scroller gadgets

Prev:	<scroller> ( gadget -- scroller )
Next:	set-scroll-position ( value scroller -- )

Vocabulary
ui.gadgets.viewports

Inputs

scroller

a scroller

Outputs

loc	a pair of integers

Word description
Outputs the offset of the top-left corner of the scroller's viewport's child.

See also
set-scroll-position, scroll>bottom, scroll>top, scroll>rect

Definition

USING: accessors math.vectors models.product models.range ;

IN: ui.gadgets.viewports

: scroll-position ( scroller -- loc )
    model>> [ range-value ] product-value v>integer ;