qt4.8 qml的flickable组件怎么监听鼠标释放事件(released)

求大神指导啊，Flickable滚动后MouseArea的事件就被Canceled了，我想监听Released事件没办法监听到，有什么好办法吗？急急急
Flickable{
MouseArea{
anchors.fill:parent
onPressed: {
console.log("onPressed");
}
onReleased: {
console.log("onReleased")
}
onCanceled: {
console.log("onCanceled")
}
}
}

http://blog.csdn.net/henreash/article/details/7925777