Cocos2d-x3.2 EditBox与ControlSlider

#include "cocos2d.h"
#include "cocos-ext.h"

USING_NS_CC_EXT;
USING_NS_CC;

class GameScene : public cocos2d::Layer, public EditBoxDelegate
{
public:
    static cocos2d::Scene* createScene();
    
    virtual bool init();
    
    CREATE_FUNC(GameScene);
    
    //输入委托
    void editBoxEditingDidBegin(EditBox *editBox);
    void editBoxEditingDidEnd(EditBox *editBox);
    void editBoxTextChange(EditBox *editBox, const std::string &text);
    void editBoxReturn(EditBox *editBox);
    
    //滑杆回调
    void sliderCallback(Ref *sender, Control::EventType controlEvent);
    
private:        //注意不能用auto关键字
    Size size;
    Sprite *sprite;
};

//  Created by Jacedy on 14-8-11.

#include "GameScene.h"

USING_NS_CC;

cocos2d::Scene* GameScene::createScene()
{
    auto scene = Scene::create();   //创建一个场景
    auto layer = GameScene::create();   //创建一个图层
    scene->addChild(layer);
    return scene;
}

//初始化当前的图层
bool GameScene::init()
{
    if(!Layer::init())      //初始化父类
        return false;
    
    //获取屏幕大小
    size = Director::getInstance()->getVisibleSize();
    //auto size = Director::getInstance()->getWinSize();
    
    Point origin = Director::getInstance()->getVisibleOrigin();
    
    auto label = Label::createWithSystemFont("Hello World", "Mark Felt", 25);
    label->setPosition(Point(origin.x + size.width / 2, origin.y + size.height - label->getContentSize().height));
    this->addChild(label, 1);
    
    //EditBox
    auto inputBox = Sprite::create("YellowSquare.png");
    inputBox->setPosition(Point(size.width/2, size.height/3));
    this->addChild(inputBox, 1);
    
    EditBox *editBox = EditBox::create(Size(100, 35.0), Scale9Sprite::create());
    editBox->setPosition(Point(size.width/2, size.height/3));
    //editBox->setPlaceHolder("请输入数字");   //设置editBox输入为空时的显示状态
    editBox->setInputMode(EditBox::InputMode::NUMERIC);     //输入模式，这里设置为数字
    editBox->setDelegate(this);     //开启委托
    editBox->setFontColor(Color3B::BLACK);
    editBox->setText("0");
    editBox->setTag(10);
    this->addChild(editBox, 2);
    
    //ControlSlider
    auto slide_control = ControlSlider::create("sliderProgress.png", "sliderTrack.png", "sliderThumb.png");
    slide_control->setPosition(Point(size.width/2, size.height/2));
    slide_control->setMinimumValue(0.0f);       //设置最小值
    slide_control->setMaximumValue(100.0f);     //设置最大值
    slide_control->setValue(0.0f);      //设置初始值
    slide_control->setTag(20);
    //设置拖动回调
    slide_control->addTargetWithActionForControlEvents(this, cccontrol_selector(GameScene::sliderCallback), Control::EventType::VALUE_CHANGED);
    this->addChild(slide_control, 2);
    
    return true;
}

void GameScene::editBoxEditingDidBegin(EditBox *editBox)
{
    
}

void GameScene::editBoxEditingDidEnd(EditBox *editBox)
{
    
}

void GameScene::editBoxTextChange(EditBox *editBox, const std::string &text)
{
    int num_int = std::atoi(text.c_str());      //将字符串转成整型
    int maxNum = 100;
    if (num_int > maxNum) {
        num_int = maxNum;
    }
    
    char buf_str[16];
    sprintf(buf_str, "%d", num_int);
    editBox->setText(buf_str);      //重置editBox的值
    
    //改变ControlSlider的值
    auto slide = (ControlSlider *)this->getChildByTag(20);
    slide->setValue((float)num_int);        //重置slide的值
}

void GameScene::editBoxReturn(EditBox *editBox)
{
    
}

void GameScene::sliderCallback(Ref *sender, Control::EventType controlEvent)
{
    auto slide_control = (ControlSlider *)sender;   //通过回调参数sender获得ControlSlider
    int current_value = slide_control->getValue();      //获得slide当前的值
    
    char buf_str[16];
    sprintf(buf_str, "%d", current_value);
    
    auto editBox = (EditBox *)this->getChildByTag(10);
    editBox->setText(buf_str);
}