SliderListenerCallback<D> typedef
SliderListenerCallback<D> =
void Function(Point<int> point, D? domain, String roleId, SliderListenerDragState dragState)
Callback function for Slider
drag events.
point
is the current position of the slider line. point.x
is the domain
position, and point.y
is the position of the center of the line on the
measure axis.
domain
is the domain value at the slider position.
dragState
indicates the current state of a drag event.
Implementation
typedef SliderListenerCallback<D> = void Function(Point<int> point, D? domain,
String roleId, SliderListenerDragState dragState);