cocosd-x教程4 CCTextFieldTTF的使用

HelloWorldScene.h

#ifndef __HELLOWORLD_SCENE_H__

#define __HELLOWORLD_SCENE_H__

#include "cocos2d.h"

using namespace cocos2d;

class HelloWorld : public cocos2d::CCLayer, public cocos2d::CCTextFieldDelegate

{

public:

    virtual bool init();  

    static cocos2d::CCScene* scene();

    

    CREATE_FUNC(HelloWorld);

    

    //重写CCTextFieldDelegate的回调函数

    //当用户启动虚拟键盘时的回调函数

    virtual bool onTextFieldAttachWithIME(CCTextFieldTTF * pSender);

    //当用户关闭虚拟键盘时的回调函数

    virtual bool onTextFieldDetachWithIME(CCTextFieldTTF * pSender);

    //当用户进行输入时的回调函数

    virtual bool onTextFieldInsertText(CCTextFieldTTF * pSender, const char * text, int nLen);

    //当用户删除文字时的回调函数

    virtual bool onTextFieldDeleteBackward(CCTextFieldTTF * pSender, const char * delText, int nLen);

    

};

#endif // __HELLOWORLD_SCENE_H__

HelloWorldScene.cpp

#include "HelloWorldScene.h"

#include "SimpleAudioEngine.h"

using namespace cocos2d;

using namespace CocosDenshion;

using namespace std;

CCScene* HelloWorld::scene()

{

    CCScene *scene = CCScene::create();

    HelloWorld *layer = HelloWorld::create();

    scene->addChild(layer);

    return scene;

}

bool HelloWorld::init()

{

    if ( !CCLayer::init() )

    {

        return false;

    }

    CCSize size = CCDirector::sharedDirector()->getWinSize();

    CCTextFieldTTF* textField = CCTextFieldTTF::textFieldWithPlaceHolder("点击输入...", "Helvetica", 24);

    textField->setPosition(ccp(size.width*0.5,size.height*0.7));

    addChild(textField);

    

    //绑定接口

    textField->setDelegate(this);

    //开启输入

    textField->attachWithIME();

    //关闭输入

//    textField->detachWithIME();

    return true;

}

bool HelloWorld::onTextFieldAttachWithIME(CCTextFieldTTF * pSender){

    CCLOG("启动输入");

    return false;

    //return true:不启动

}

bool HelloWorld::onTextFieldDetachWithIME(CCTextFieldTTF * pSender){

    CCLOG("关闭输入");

    return false;

    //return true:不关闭

}

bool HelloWorld::onTextFieldInsertText(CCTextFieldTTF * pSender, const char * text, int nLen){

    CCLOG("输入字符...");

    return false;

    //return true:不会输入进字符

}

bool HelloWorld::onTextFieldDeleteBackward(CCTextFieldTTF * pSender, const char * delText, int nLen){

    CCLOG("删除字符");

    return false;

    //return true:不删除