cocos2d-x CCControl控件

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CCControlSlider 滑动条

void HelloWorld::myInit10()
{
    CCSize size = CCDirector::sharedDirector()->getWinSize();
    
    //CCControlSlider::create(const char* bgFile, const char* progressFile, const char* thumbFile)
    //滑动条 三个參数非别为:bgFile 滑动条背景图, progressFile 覆盖背景图的那张图, thumbFile 滑块图
    CCControlSlider* slider = CCControlSlider::create("sliderTrack.png", "sliderProgress.png", "sliderThumb.png");
    slider->setPosition(ccp(size.width*0.5, size.height*0.5));
    this->addChild(slider);
    //最小值
    slider->setMinimumValue(0);
    //最大值
    slider->setMaximumValue(100);
    //设定当前值
    slider->setValue(50);
    //回调函数
    slider->addTargetWithActionForControlEvents(this, cccontrol_selector(HelloWorld::sliderAction), CCControlEventValueChanged);
    
    //用来展示当前滑动条的滑动值
    CCLabelTTF *ttf=CCLabelTTF::create("", "Helvetica", 20);
    ttf->setPosition(ccp(200, 210));
    ttf->setString(CCString::createWithFormat("滑动条当前值=%.02f",slider->getValue())->getCString());
    addChild(ttf,0,999);
}

void HelloWorld::sliderAction(CCObject* pSender, CCControlEvent controlEvent)
{
    CCControlSlider* pSliderCtl = (CCControlSlider*)pSender;
    
    CCLabelTTF *ttf=(CCLabelTTF *)this->getChildByTag(999);
    ttf->setString(CCString::createWithFormat("滑动条当前值=%.02f",pSliderCtl->getValue())->getCString());
}





posted @ 2019-05-05 15:39  ldxsuanfa  阅读(110)  评论(0编辑  收藏  举报