如何在flutter网页中检测鼠标滚轮滚动

Question

如何在flutter web中检测鼠标滚轮滚动？它似乎在手势检测器中，但我在那里看不到它。列表视图如何检测鼠标滚动？

Answer 1

用Listener包装ListView(或任何其他滚动视图(并侦听PointerScrollEvent:

Listener(
onPointerSignal: (pointerSignal){
if(pointerSignal is PointerScrollEvent){
// do something when scrolled
print('Scrolled');
}
},
child: ... //your scrollview here
)