event

debugPrint

'trackpad scrolled

${event.panDelta}

);

},

onPointerPanZoomEnd:

PointerPanZoomEndEvent

event

debugPrint

'trackpad scroll ended'

);

},

child:

Container

()

);

PointerPanZoomUpdateEvent contains a pan field to represent the cumulative
pan of the current gesture, a panDelta field to represent the difference in pan
since the last event, a scale event to represent the cumulative zoom of the
current gesture, and a rotation event to represent the cumulative rotation
(in radians) of the current gesture.