GestureListener constructor

GestureListener({ GestureSinglePointCallback? onTapTest, GestureCancelCallback? onTapCancel, GestureSinglePointCallback? onLongPress, GestureSinglePointCallback? onTap, GestureSinglePointCallback? onHover, GestureDragStartCallback? onDragStart, GestureDragUpdateCallback? onDragUpdate, GestureDragEndCallback? onDragEnd, GestureCallback? onFocus, GestureCallback? onBlur, })

Implementation

GestureListener({
  GestureSinglePointCallback? onTapTest,
  GestureCancelCallback? onTapCancel,
  this.onLongPress,
  this.onTap,
  this.onHover,
  this.onDragStart,
  this.onDragUpdate,
  this.onDragEnd,
  this.onFocus,
  this.onBlur,
})  : onTapTest = onTapTest ?? defaultTapTest,
      onTapCancel = onTapCancel ?? defaultTapCancel;