on-scroll ( win event user-data -- ? )
Gtk-based UI backend
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Vocabulary
ui.backend.gtk2

Inputs
winan object
eventan object
user-dataan object


Outputs
?an object


Definition
USING: kernel ui.gestures ui.private ;

IN: ui.backend.gtk2

: on-scroll ( win event user-data -- ? )
drop swap [ [ scroll-direction ] [ event-loc ] bi ] dip
window send-scroll t ;