直接上代碼
MyScrollView.h
1 // 2 // MyScrollView.h 3 // ScrollViewTest 4 // 5 // Created by HanHongmin on 14-1-1. 6 // 7 // 8 9 #ifndef __ScrollViewTest__MyScrollView__ 10 #define __ScrollViewTest__MyScrollView__ 11 12 #include "cocos2d.h" 13 #include "cocos-ext.h" 14 using namespace cocos2d; 15 using namespace cocos2d::extension; 16 17 class MyScrollView:public CCScrollView{ 18 public: 19 static MyScrollView* create(); 20 static MyScrollView* create(CCSize size); 21 virtual bool ccTouchBegan(CCTouch *pTouch, CCEvent *pEvent); 22 virtual void ccTouchMoved(CCTouch *pTouch, CCEvent *pEvent); 23 virtual void ccTouchEnded(CCTouch *pTouch, CCEvent *pEvent); 24 virtual void adjustScrollView(); 25 }; 26 27 #endif /* defined(__ScrollViewTest__MyScrollView__) */
MyScrollView.cpp
1 // 2 // MyScrollView.cpp 3 // ScrollViewTest 4 // 5 // Created by HanHongmin on 14-1-1. 6 // 7 // 8 9 #include "MyScrollView.h" 10 11 12 MyScrollView* MyScrollView::create() 13 { 14 MyScrollView* pRet = new MyScrollView(); 15 if (pRet && pRet->init()) 16 { 17 pRet->autorelease(); 18 } 19 else 20 { 21 CC_SAFE_DELETE(pRet); 22 } 23 return pRet; 24 } 25 26 MyScrollView* MyScrollView::create(CCSize size) 27 { 28 MyScrollView* pRet = new MyScrollView(); 29 if (pRet && pRet->initWithViewSize(size, NULL)) 30 { 31 pRet->autorelease(); 32 } 33 else 34 { 35 CC_SAFE_DELETE(pRet); 36 } 37 return pRet; 38 } 39 40 41 42 bool MyScrollView::ccTouchBegan(CCTouch *pTouch, CCEvent *pEvent){ 43 bool b = CCScrollView::ccTouchBegan(pTouch, pEvent); 44 CCLog("MyScrollView::ccTouchBegan"); 45 return b; 46 } 47 void MyScrollView::ccTouchMoved(CCTouch *pTouch, CCEvent *pEvent){ 48 CCScrollView::ccTouchMoved(pTouch, pEvent); 49 CCLog("MyScrollView::ccTouchMoved"); 50 //阻止傳遞 51 } 52 void MyScrollView::ccTouchEnded(CCTouch *pTouch, CCEvent *pEvent){ 53 CCScrollView::ccTouchEnded(pTouch, pEvent); 54 CCLog("MyScrollView::ccTouchEnded"); 55 adjustScrollView(); 56 //不在往下傳遞事件 57 } 58 59 void MyScrollView::adjustScrollView(){ 60 // 關閉CCScrollView中的自調整 61 this->unscheduleAllSelectors(); 62 63 int x = this->getContentOffset().x; 64 int offset = (int) x % 640; 65 // 調整位置 66 CCPoint adjustPos; 67 // 調整動畫時間 68 float adjustAnimDelay = 0.15f; 69 70 if (offset < -320) {//翻到下一頁 71 // 計算下一頁位置，時間 72 adjustPos = ccpSub(this->getContentOffset(), ccp(640 + offset, 0)); 73 } 74 else {//留在當前頁 75 // 計算當前頁位置，時間 76 adjustPos = ccpSub(this->getContentOffset(), ccp(offset, 0)); 77 } 78 if(adjustPos.x< -(this->getContentSize().width-640)){//超過最后一頁的限制 79 adjustPos = CCPointMake(-(this->getContentSize().width-640), 0); 80 } 81 // 調整位置 82 this->setContentOffsetInDuration(adjustPos, adjustAnimDelay); 83 }
HelloWorldScene.h
1 #ifndef __HELLOWORLD_SCENE_H__ 2 #define __HELLOWORLD_SCENE_H__ 3 4 #include "cocos2d.h" 5 #include "cocos-ext.h" 6 #include "VisibleRect.h" 7 #include "MyScrollView.h" 8 using namespace cocos2d; 9 using namespace cocos2d::extension; 10 11 class HelloWorld : public CCLayer,public CCScrollViewDelegate 12 { 13 public: 14 virtual bool init(); 15 static cocos2d::CCScene* scene(); 16 void buttonClick(); 17 18 virtual void scrollViewDidScroll(CCScrollView* view); 19 virtual void scrollViewDidZoom(CCScrollView* view); 20 21 CREATE_FUNC(HelloWorld); 22 protected: 23 MyScrollView *_scrollView; 24 }; 25 26 #endif // __HELLOWORLD_SCENE_H__
HelloWorldScene.cpp
1 #include "HelloWorldScene.h" 2 3 USING_NS_CC; 4 5 CCScene* HelloWorld::scene() 6 { 7 CCScene *scene = CCScene::create(); 8 HelloWorld *layer = HelloWorld::create(); 9 scene->addChild(layer); 10 return scene; 11 } 12 13 // on "init" you need to initialize your instance 14 bool HelloWorld::init() 15 { 16 if ( !CCLayer::init() ) 17 { 18 return false; 19 } 20 CCSprite *bg = CCSprite::create("Default-568h@2x.png"); 21 bg->setPosition(VisibleRect::center()); 22 this->addChild(bg); 23 24 CCMenuItemImage *button = CCMenuItemImage::create("Icon-144.png", "Icon-144.png", this, menu_selector(HelloWorld::buttonClick)); 25 CCMenu *menu = CCMenu::create(button,NULL); 26 menu->setPosition(CCPointZero); 27 button->setPosition(ccp(VisibleRect::leftTop().x+72,VisibleRect::leftTop().y-72)); 28 this->addChild(menu); 29 30 CCLayer *container = CCLayer::create(); 31 container->setAnchorPoint(CCPointZero); 32 container->setPosition(CCPointZero); 33 34 CCMenuItemImage *sp = CCMenuItemImage::create("HelloWorld.png", "HelloWorld.png",this,menu_selector(HelloWorld::buttonClick)); 35 sp->setPosition(VisibleRect::center()); 36 37 CCMenuItemImage *sp1 = CCMenuItemImage::create("HelloWorld1.png", "HelloWorld1.png",this,menu_selector(HelloWorld::buttonClick)); 38 sp1->setPosition(ccp(VisibleRect::center().x + VisibleRect::right().x,VisibleRect::center().y )); 39 40 CCMenuItemImage *sp2 = CCMenuItemImage::create("HelloWorld2.png", "HelloWorld2.png",this,menu_selector(HelloWorld::buttonClick)); 41 sp2->setPosition(ccp(VisibleRect::center().x + VisibleRect::right().x * 2,VisibleRect::center().y )); 42 43 CCMenu *menu2 = CCMenu::create(sp,sp1,sp2,NULL); 44 menu2->setPosition(CCPointZero); 45 menu2->setTouchPriority(2); 46 47 container->addChild(menu2); 48 container->setContentSize(CCSizeMake(640*3, 1136));//重要，默認是屏幕大小，可以去看源碼 49 CCLog("container contentsize:%f,%f",container->getContentSize().width,container->getContentSize().height); 50 51 52 _scrollView = MyScrollView::create(CCSizeMake(640, 1136)); 53 //_scrollView->setContentSize(); 54 _scrollView->setDelegate(this); 55 _scrollView->setTouchPriority(1); 56 _scrollView->setContainer(container); 57 _scrollView->setDirection(kCCScrollViewDirectionHorizontal); 58 59 this->addChild(_scrollView); 60 61 return true; 62 } 63 64 void HelloWorld::buttonClick(){ 65 float a = _scrollView->getContentOffset().x; 66 if((int)a%640!=0){ 67 CCLog("**************************isDragging"); 68 }else{ 69 CCLog("##########################buttonClick#"); 70 } 71 } 72 73 void HelloWorld::scrollViewDidScroll(CCScrollView* view){ 74 CCLog("scrollViewDidScroll"); 75 } 76 void HelloWorld::scrollViewDidZoom(CCScrollView* view){ 77 CCLog("scrollViewDidZoom"); 78 }
ScrollView和Menu的觸摸事件優先級有點沖突，Menu的值低優先級高，如果不改的話在Menu拖動的話沒反應，這應該不是我們想要的。
改了它的優先級之后，拖動可以了，但是拖動后也會觸發Menu的點擊。
!!!!!!!!腫么辦...據說可以阻斷事件的傳播，但是我不會弄，誰要會請告訴我。!!!!!!!!
變相實現了一下，在按鈕的事件中判斷ScrollView是否滾動到位，不到位啥也不干。
另外，ScrollView的默認調整被關掉了，自己寫了一下，默認的只會自動調整頭尾。