0708 cocos2d-x scrollview 增加觸碰事件方式 取得touch 取得偏移量

http://discuss.cocos2d-x.org/t/cocos2d-ui-scrollview-and-sprite-why-not-function-the-ontouchbegan/21790

Add touch event listener to scrollview.

scrollview->addTouchEventListener(CC_CALLBACK_2(InApp::touchEvent, this));

void InApp::touchEvent(Ref *pSender, Widget::TouchEventType type)
{
switch (type)
{
case Widget::TouchEventType::BEGAN:

    case Widget::TouchEventType::MOVED:


    case Widget::TouchEventType::ENDED:
    {
    }
        break;

    case Widget::TouchEventType::CANCELED:

    default:
        break;
}

}
//////
取得偏移量

CCLOG("BEGAN");

            auto player =dynamic_cast<Layer*>(getNode(PG_MAINSTDETIAIL, MINDETI_LAYER_HISTORY));

            int layerViewH=player->getContentSize().height;

            auto pScroll = static_cast<ui::ScrollView *>(pSender);

            

            //取得點選座標

            Point touchPoint=pScroll->getTouchBeganPosition();

            //找出那一張圖被點選

            //取得圖檔高度

            Sprite *pSpriteImage=Sprite::createWithSpriteFrameName(S_MAIN_HISTORY_BK);

            

            int imageHeight=pSpriteImage->getContentSize().height;

            

            int offsetY=pScroll->getInnerContainerPosition().y;

            //計算卷軸移動量(0 ~ -616)

            //int offsety2=pScroll->getPositionPercent().y;

            //計算整個總高度(1500)

            int scrollHeight=pScroll->getInnerContainerSize().height;

            

            //計算點選座標且換到圖檔位置

            int iHitY = touchPoint.y+(0-offsetY);

            int iOrd=iHitY/imageHeight;

            //根據編號取得產品圖檔

            auto pSpriteName = getErrStatusProductImageName(iOrd);

            auto pSprite =dynamic_cast<Sprite*>(getNode(PG_MAINSTDETIAIL, MINDETI_SPRITE_ICON));

            auto pFrame= SpriteFrameCache::getInstance()->getSpriteFrameByName(pSpriteName);

            pSprite->setSpriteFrame(pFrame);