ControlExtensionTest(一)

#ifndef __CCCONTROLSCENE_H__

#define __CCCONTROLSCENE_H__

#include "cocos2d.h"

#include "cocos-ext.h"

USING_NS_CC;

USING_NS_CC_EXT;

//创建层的同时赋值标题

#define CONTROL_SCENE_CREATE_FUNC(controlScene) \

public: \

static CCScene* sceneWithTitle(const char * title) \

{ \

    CCScene* pScene = CCScene::create(); \

    controlScene* controlLayer = new controlScene(); \

    if (controlLayer && controlLayer->init()) \

    { \

        controlLayer->autorelease(); \

        controlLayer->getSceneTitleLabel()->setString(title); \

        pScene->addChild(controlLayer); \

    } \

    else \

    { \

        CC_SAFE_DELETE(controlLayer); \

    } \

    return pScene; \

}

//创建访问器，get和set

#define CC_SYNTHESIZE_RETAIN(varType, varName, funName)    \

private: varType varName; \

public: virtual varType get##funName(void) const { return varName; } \

public: virtual void set##funName(varType var)   \

{ \

    if (varName != var) \

    { \

        CC_SAFE_RETAIN(var); \

        CC_SAFE_RELEASE(varName); \

        varName = var; \

    } \

}

class CCControlScene : public CCLayer

{

public:

    CCControlScene();

    ~CCControlScene();

    bool init();

    // Menu Callbacks

    void toExtensionsMainLayer(CCObject* sender);

    void previousCallback(CCObject* sender);

    void restartCallback(CCObject* sender);

    void nextCallback(CCObject* sender);

    /** Title label of the scene. */

    CC_SYNTHESIZE_RETAIN(CCLabelTTF*, m_pSceneTitleLabel, SceneTitleLabel)

    CONTROL_SCENE_CREATE_FUNC(CCControlScene);

};

#endif /* __CCCONTROLSCENE_H__ */

//删除指针，并赋值为空

#define CC_SAFE_RELEASE_NULL(p)        do { if(p) { (p)->release(); (p) = 0; } } while(0)

CCControlScene::~CCControlScene()

{

    CC_SAFE_RELEASE_NULL(m_pSceneTitleLabel);

}