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比如我们需要在一个类(CFriendListPanel)里面希望拖动某个面板,我们直接在这个类设置完资源后,添加如下代码:
设定UI上的拖动区域,假设我们设定头部一定区域,定义一个m_rectHead:
m_rectHead.left = 2; m_rectHead.top = 2; m_rectHead.bottom = 35; m_rectHead.right = 200;对类注册鼠标事件:
this.addEventListener(MouseEvent.MOUSE_DOWN,onMouseDown);//拖动this.addEventListener(MouseEvent.MOUSE_UP,onMouseUp);编写鼠标事件响应函数:
private function onMouseDown(evt:MouseEvent):void { m_pos.x = evt.localX; m_pos.y = evt.localY; parent.setChildIndex(this, parent.numChildren-1); if(m_rect.containsPoint(m_pos)) { this.startDrag(); } } private function onMouseUp(evt:MouseEvent):void { this.stopDrag(); }
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