cocos2d-x CCScrollView和CCTableView的使用 实例源码

#include "GalleryLayer.h" #include "ListViewLayer.h" using namespace cocos2d; using namespace cocos2d::extension; bool GalleryLayer::init() { bool bRet = false; do { CC_BREAK_IF( !CCLayer::init() ); m_nCurPage = 1; CCSize visibleSize = CCDirector::sharedDirector()->getVisibleSize(); CCPoint origin = CCDirector::sharedDirector()->getVisibleOrigin(); CCLayer *pLayer = CCLayer::create(); char helpstr[30] = {0}; for (int i = 1; i <= 3; ++ i) { memset(helpstr, 0, sizeof(helpstr)); sprintf(helpstr,"bg_%02d.png",i); CCSprite *pSprite = CCSprite::create(helpstr); pSprite->setPosition(ccp(visibleSize.width * (i-0.5f), visibleSize.height / 2)); pLayer->addChild(pSprite); } m_pScrollView = CCScrollView::create(CCSizeMake(960, 640), pLayer); m_pScrollView->setContentOffset(CCPointZero); m_pScrollView->setTouchEnabled(false); m_pScrollView->setDelegate(this); m_pScrollView->setDirection(kCCScrollViewDirectionHorizontal); pLayer->setContentSize(CCSizeMake(960*3, 640)); this->addChild(m_pScrollView); CCSpriteFrameCache *pCache = CCSpriteFrameCache::sharedSpriteFrameCache(); pCache->addSpriteFrame(CCSpriteFrame::create("button_normal.png",CCRectMake(0, 0, 64, 64)),"button_normal.png"); pCache->addSpriteFrame(CCSpriteFrame::create("button_selected.png",CCRectMake(0, 0, 64, 64)),"button_selected.png"); for (int i = 1; i <= 3; ++ i) { CCSprite *pPoint = CCSprite::createWithSpriteFrameName("button_normal.png"); pPoint->setTag(i); pPoint->setPosition(ccp( origin.x + (visibleSize.width - 3 * pPoint->getContentSize().width)/2 + pPoint->getContentSize().width * (i-1), origin.y + 30)); this->addChild(pPoint); } CCSprite *pPoint = (CCSprite *)this->getChildByTag(1); pPoint->setDisplayFrame(pCache->spriteFrameByName("button_selected.png")); bRet = true; }while(0); return bRet; } void GalleryLayer::menuCloseCallback(CCObject* pSender) { } void GalleryLayer::scrollViewDidScroll(cocos2d::extension::CCScrollView *view) { CCLOG("scroll"); } void GalleryLayer::scrollViewDidZoom(cocos2d::extension::CCScrollView *view) { CCLOG("zoom"); } void GalleryLayer::onEnter() { CCLayer::onEnter(); CCDirector::sharedDirector()->getTouchDispatcher()->addTargetedDelegate(this, 1, false); } void GalleryLayer::onExit() { CCDirector::sharedDirector()->getTouchDispatcher()->removeDelegate(this); CCLayer::onExit(); CCSpriteFrameCache::sharedSpriteFrameCache()->removeUnusedSpriteFrames(); } bool GalleryLayer::ccTouchBegan(CCTouch *pTouch, CCEvent *pEvent) { m_touchPoint = CCDirector::sharedDirector()->convertToGL(pTouch->getLocationInView()); return true; } void GalleryLayer::ccTouchMoved(CCTouch *pTouch, CCEvent *pEvent) { } void GalleryLayer::ccTouchEnded(CCTouch *pTouch, CCEvent *pEvent) { CCPoint endPoint = CCDirector::sharedDirector()->convertToGL(pTouch->getLocationInView()); float distance = endPoint.x - m_touchPoint.x; if(fabs(distance) > 50) { adjustScrollView(distance); } } void GalleryLayer::ccTouchCancelled(cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent) { CCPoint endPoint = CCDirector::sharedDirector()->convertToGL(pTouch->getLocationInView()); float distance = endPoint.x - m_touchPoint.x; if(fabs(distance) > 50) { adjustScrollView(distance); } } void GalleryLayer::adjustScrollView(float offset) { CCSize visibleSize = CCDirector::sharedDirector()->getVisibleSize(); CCPoint origin = CCDirector::sharedDirector()->getVisibleOrigin(); CCSpriteFrameCache *pCache = CCSpriteFrameCache::sharedSpriteFrameCache(); CCSprite *pPoint = (CCSprite *)this->getChildByTag(m_nCurPage); pPoint->setDisplayFrame(pCache->spriteFrameByName("button_normal.png")); if (offset<0) { m_nCurPage ++; }else { m_nCurPage --; } if (m_nCurPage <1) { m_nCurPage = 1; } if(m_nCurPage > 3) { CCLayer *pLayer = ListViewLayer::create(); CCScene *pScene = CCScene::create(); pScene->addChild(pLayer); CCDirector::sharedDirector()->replaceScene(pScene); } else { pPoint = (CCSprite *)this->getChildByTag(m_nCurPage); pPoint->setDisplayFrame(pCache->spriteFrameByName("button_selected.png")); CCPoint adjustPos = ccp(origin.x - visibleSize.width * (m_nCurPage-1), 0); m_pScrollView->setContentOffset(adjustPos, true); } }