ScrollEvent.getDeltas
void getDeltas(out double deltaX, out double deltaY)Extracts the scroll deltas of a scroll event.
The deltas will be zero unless the scroll direction is [gdk.types.ScrollDirection.Smooth].
For the representation unit of these deltas, see [gdk.scroll_event.ScrollEvent.getUnit].
Parameters
deltaX | return location for x scroll delta |
deltaY | return location for y scroll delta |