CCLayer 和 CCMenu 事件优先级处理

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              添加一个层时,如果层子节点有CCMenu,在响应CCMenu事件回调事件做法。

重写注册触摸函数,CCMenu注册触摸。写了个测试层,代码如下:

TestLayer.h

#ifndef _TEST_LAYER_H_#define _TEST_LAYER_H_#include "cocos2d.h"class CTestLayer : public cocos2d::CCLayer{public:CTestLayer(void);~CTestLayer(void);bool init();void onEnter();void TestClick(CCObject* pSender);virtual void registerWithTouchDispatcher();virtual bool ccTouchBegan(cocos2d::CCTouch *touch, cocos2d::CCEvent * pEvent);virtual void ccTouchEnded(cocos2d::CCTouch *touch, cocos2d::CCEvent * pEvent);virtual void ccTouchMoved(cocos2d::CCTouch* touch, cocos2d::CCEvent* event);LAYER_NODE_FUNC(CTestLayer);};#endif

TestLayer.cpp

#include "TestLayers.h"USING_NS_CC;CTestLayer::CTestLayer(void){}CTestLayer::~CTestLayer(void){}bool CTestLayer::init(){if (!CCLayer::init())return false;return true;}void CTestLayer::onEnter(){CCSize size = CCDirector::sharedDirector()->getWinSize();CCMenuItemImage* item = CCMenuItemImage::itemFromNormalImage("bt_skin_ft.png","bt_skin_ft.png",this,menu_selector(CTestLayer::TestClick));item->setAnchorPoint(ccp(0.5,0.5));item->setPosition(ccp(size.width / 2 ,size.height / 2));CCMenu* menu = CCMenu::menuWithItem(item);menu->setPosition(ccp(0,0));addChild(menu);setIsTouchEnabled(true);//给当前层注册触摸,当前层就可以捕获触摸事件,不是此层的节点将不会收到触发registerWithTouchDispatcher();//点击menu时,将回调上面的TestClick函数menu->registerWithTouchDispatcher();}void CTestLayer::TestClick(CCObject* pSender){}bool CTestLayer::ccTouchBegan(CCTouch *touch, CCEvent * pEvent){  //如果为false 层将不能接受任何触摸事件  return true;}void CTestLayer::ccTouchEnded(CCTouch *pTouch, CCEvent *pEvent){}void CTestLayer::ccTouchMoved(CCTouch* touch, CCEvent* event){}void CTestLayer::registerWithTouchDispatcher(){//注册单点触摸,第三个参数 表示接收所有触摸事件,CCTouchDispatcher::sharedDispatcher()->addTargetedDelegate(this,kCCMenuTouchPriority,true);}void CTestLayer::TestClick(CCObject* pSender){}bool CTestLayer::ccTouchBegan(CCTouch *touch, CCEvent * pEvent){return true;}void CTestLayer::ccTouchEnded(CCTouch *pTouch, CCEvent *pEvent){}void CTestLayer::ccTouchMoved(CCTouch* touch, CCEvent* event){}void CTestLayer::registerWithTouchDispatcher(){        //注册触摸事件,第三个参数表示接受所有触摸CCTouchDispatcher::sharedDispatcher()->addTargetedDelegate(this,kCCMenuTouchPriority,true);}



	
				
		
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