[AS3]AS3点击空白区域隐藏鼠标动作

[AS3]AS3点击空白区域隐藏鼠标动作

package  
{ 
        import flash.display.Sprite; 
        import flash.events.Event; 
        import flash.events.MouseEvent; 
         
        /** 
         * ... 
         * @author BBB 
         */ 
        public class Main extends Sprite  
        { 
                private var _bg:Sprite; 
                private var _btn:Sprite; 
                private var _popWindow:Sprite; 
                 
                public function Main():void  
                { 
                        if (stage) init(); 
                        else addEventListener(Event.ADDED_TO_STAGE, init); 
                } 
                 
                private function init(e:Event = null):void  
                { 
                        removeEventListener(Event.ADDED_TO_STAGE, init); 
                        // entry point 
                         
                        _bg = new Sprite(); 
                        _bg.graphics.beginFill(0xCCCCCC); 
                        _bg.graphics.drawRect(0, 0, stage.stageWidth, stage.stageHeight); 
                        addChild(_bg); 
                         
                        _btn = new Sprite(); 
                        _btn.graphics.beginFill(0xFF0000); 
                        _btn.graphics.drawCircle(0, 0, 20); 
                        addChild(_btn); 
                        _btn.x = 100; 
                        _btn.y = 100; 
                         
                        _popWindow = new Sprite(); 
                        _popWindow.graphics.beginFill(0x111111); 
                        _popWindow.graphics.drawRoundRect(0, 0, 160, 120, 10, 10); 
                        _popWindow.x = (stage.stageWidth-_popWindow.width) * .5; 
                        _popWindow.y = (stage.stageHeight - _popWindow.height) * .5; 
                        _popWindow.addEventListener(MouseEvent.CLICK, onClick2); 
                         
                        var child:Sprite = new Sprite(); 
                        child.graphics.beginFill(0x00FF00); 
                        child.graphics.drawCircle(0, 0, 10); 
                        child.x = 50; 
                        child.y = 50; 
                        child.addEventListener(MouseEvent.CLICK, onClick3); 
                        _popWindow.addChild(child); 
                         
                        stage.addEventListener(MouseEvent.CLICK, onClick); 
                } 
                 
                private function onClick3(e:MouseEvent):void  
                { 
                        trace("child"); 
                } 
                 
                private function onClick2(e:MouseEvent):void  
                { 
                        trace("popWindow"); 
                        e.stopPropagation(); 
                } 
                 
                private function onClick(e:MouseEvent):void  
                { 
                        if (e.target == _btn) { 
                                addChild(_popWindow); 
                        }else { 
                                if (contains(_popWindow)) { 
                                        removeChild(_popWindow); 
                                } 
                        } 
                } 
                 
        } 
         
}