创建一个弹出层 


  1.   
  2. /* 功能 
  3.  * 1. 弹出层的基类, 比下层拥有更高的优先级, 用于屏蔽下层,及本层外触摸事件 
  4.  * 2. 提供一个容量,及相应方法,用于装纳需要处理事件的对象 CCTouchDelegate*对象,  
  5.  */  
  6.   
  7.   
  8. #ifndef __MythLeague__UpperLayer__  
  9. #define __MythLeague__UpperLayer__  
  10.   
  11. #include "Global/Constants.h"  
  12. #include "CommonLayer/TouchLogicLayer.h"  
  13.   
  14. class UpperLayer : public  TouchLogicLayer{  
  15.       
  16. public:  
  17.    UpperLayer();  
  18.     virtual ~UpperLayer();  
  19.       
  20.     bool init();  
  21.           
  22.     void onEnter();  
  23.     void onExit();  
  24.     void registerWithTouchDispatcher();  
  25.       
  26.     void appendToTouchDispatch(cocos2d::CCTouchDelegate* p_touchableObject);  
  27.       
  28. #pragma mark 触摸相关  
  29.     //开始  
  30.     bool ccTouchBegan(cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent);  
  31.       
  32.     //移动  
  33.     void ccTouchMoved(cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent);        
  34.     //结束  
  35.     void ccTouchEnded(cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent);  
  36.       
  37.     //点击home键或其它方式引起的取消  
  38.     void ccTouchCancelled(cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent);  
  39.       
  40.       
  41. public:  
  42.     //cocos2d::CCArray* m_touchDispatchTable;  
  43.     std::vector<cocos2d::CCTouchDelegate*> m_touchDispatchTable;  
  44.     int m_iIndex;//m_iIndex-1为实际索引  
  45. };  
  46.   
  47. #endif /* defined(__MythLeague__UpperLayer__) */  
  48. //  
  49. //  
  50.   
  51. #include "UpperLayer.h"  
  52.   
  53. using namespace cocos2d;  
  54.   
  55. UpperLayer::UpperLayer(){  
  56.       
  57. }  
  58. UpperLayer::~UpperLayer(){  
  59.       
  60.       
  61. }  
  62.   
  63. bool UpperLayer::init(){  
  64.     bool l_bResult = true;  
  65.     do {  
  66.         if(!TouchLogicLayer::init()){  
  67.             l_bResult = false;  
  68.         }                  
  69.           
  70.     } while (0);  
  71.     return l_bResult;  
  72. }  
  74.  void UpperLayer::onEnter(){  
  75.     TouchLogicLayer::onEnter();  
  76. }  
  77. void UpperLayer::onExit(){  
  78.     TouchLogicLayer::onExit();  
  79. }  
  80.   
  81. void UpperLayer::registerWithTouchDispatcher()  
  82. {  
  83.     cocos2d::CCDirector* pDirector = cocos2d::CCDirector::sharedDirector();  
  84.     pDirector->getTouchDispatcher()->addTargetedDelegate(this, kCCMenuHandlerPriority-1, true);  
  85. }  
  86.   
  87. void UpperLayer::appendToTouchDispatch(CCTouchDelegate* p_touchableObject){  
  88.     //断言,p_touchableLayer是CCLayer*类型, (可以是继承)  
  89.     CCAssert(dynamic_cast<CCTouchDelegate*>(p_touchableObject) != NULL, "p_touchableLayer must be a layer");  
  90.     m_touchDispatchTable.push_back(p_touchableObject);  
  91. }  
  92.   
  93. #pragma mark 触摸相关  
  94. //开始  
  95. bool UpperLayer::ccTouchBegan(cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent){  
  96.     //super  
  97.     TouchLogicLayer::ccTouchBegan(pTouch, pEvent);  
  98.       
  99.     m_iIndex = Common_Empty;  
  100.     CCTouchDelegate* l_touchAble = NULL;  
  101.     int l_iIndex = 0;  
  102.     for (; l_iIndex<m_touchDispatchTable.size(); l_iIndex++) {  
  103.         l_touchAble = m_touchDispatchTable[l_iIndex];  
  104.         if (l_touchAble && l_touchAble->ccTouchBegan(pTouch, pEvent))  
  105.         {  
  106.             m_iIndex = l_iIndex;  
  107.             break;  
  108.         }  
  109.     }      
  110.     return true;  
  111. }  
  112.   
  113. //移动  
  114. void UpperLayer::ccTouchMoved(cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent){  
  115.     //super  
  116.     TouchLogicLayer::ccTouchMoved(pTouch, pEvent);  
  117.       
  118.     if (m_iIndex >= 0) {  
  119.         CCTouchDelegate* l_touchAble = m_touchDispatchTable[m_iIndex];  
  120.         l_touchAble->ccTouchMoved(pTouch, pEvent);  
  121.     }  
  122. }  
  123.   
  124. //结束  
  125. void UpperLayer::ccTouchEnded(cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent){  
  126.     //super  
  127.     TouchLogicLayer::ccTouchEnded(pTouch, pEvent);  
  128.       
  129.     if (m_iIndex >= 0) {  
  130.         CCTouchDelegate* l_touchAbleLayer = m_touchDispatchTable[m_iIndex];  
  131.         l_touchAbleLayer->ccTouchEnded(pTouch, pEvent);  
  132.     }  
  133. }  
  134.   
  135. //点击home键或其它方式引起的取消  
  136. void UpperLayer::ccTouchCancelled(cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent){  
  137.       
  138. }  
  139. 所有的弹出层，只要继承一下这个就可以，他的优点是事件分发由自己来控制，比较灵活





posted @ 2017-01-09 11:15  feizuzu  阅读(198)  评论(0)    收藏  举报