float _targetScrollOffsetForPointerScroll(PointerScrollEvent e)
{
float delta = this.widget.axis == Axis.horizontal ? e.delta.dx : e.delta.dy;
return(Mathf.Min(Mathf.Max(this.position.pixels + delta, this.position.minScrollExtent),
this.position.maxScrollExtent));
}
void _handlePointerScroll(PointerScrollEvent evt)
{
D.assert(this._recognizers != null);
foreach (GestureRecognizer recognizer in this._recognizers.Values)
{
recognizer.addScrollPointer(evt);
}
}
float _pointerSignalEventDelta(PointerScrollEvent evt)
{
float delta = widget.axis == Axis.horizontal
? evt.scrollDelta.dx
: evt.scrollDelta.dy;
if (AxisUtils.axisDirectionIsReversed(widget.axisDirection))
{
delta *= -1;
}
return(delta);
}
float _targetScrollOffsetForPointerScroll(PointerScrollEvent e)
{
float delta = widget.axis == Axis.horizontal
? e.scrollDelta.dx
: e.scrollDelta.dy;
if (AxisUtils.axisDirectionIsReversed(widget.axisDirection))
{
delta *= -1;
}
return(Mathf.Min(Mathf.Max(position.pixels + delta, position.minScrollExtent),
position.maxScrollExtent));
}
