axmol/cocos/2d/CCMenuItem.cpp

/****************************************************************************
Copyright (c) 2008-2010 Ricardo Quesada
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2011      Zynga Inc.
Copyright (c) 2013-2014 Chukong Technologies Inc.

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/

#include "CCMenuItem.h"
#include "CCActionInterval.h"
#include "CCSprite.h"
#include "CCLabelAtlas.h"
#include "CCLabel.h"
#include "CCScriptSupport.h"
#include "deprecated/CCString.h"
#include <stdarg.h>
#include <cstring>

#if defined(__GNUC__) && ((__GNUC__ >= 4) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1)))
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#elif _MSC_VER >= 1400 //vs 2005 or higher
#pragma warning (push)
#pragma warning (disable: 4996)
#endif

NS_CC_BEGIN
    
static int _globalFontSize = kItemSize;
static std::string _globalFontName = "Marker Felt";
static bool _globalFontNameRelease = false;

const unsigned int    kCurrentItem = 0xc0c05001;
const unsigned int    kZoomActionTag = 0xc0c05002;

const unsigned int    kNormalTag = 0x1;
const unsigned int    kSelectedTag = 0x2;
const unsigned int    kDisableTag = 0x3;
//
// MenuItem
//

MenuItem* MenuItem::create()
{
    return MenuItem::create((const ccMenuCallback&)nullptr);
}

// XXX deprecated
MenuItem* MenuItem::create(Ref *target, SEL_MenuHandler selector)
{
    MenuItem *ret = new MenuItem();
    ret->initWithTarget(target, selector);
    ret->autorelease();
    return ret;
}

MenuItem* MenuItem::create( const ccMenuCallback& callback)
{
    MenuItem *ret = new MenuItem();
    ret->initWithCallback(callback);
    ret->autorelease();
    return ret;
}

// XXX deprecated
bool MenuItem::initWithTarget(cocos2d::Ref *target, SEL_MenuHandler selector )
{
	_target = target;
	CC_SAFE_RETAIN(_target);
	return initWithCallback( std::bind(selector,target, std::placeholders::_1) );
}

bool MenuItem::initWithCallback(const ccMenuCallback& callback)
{
    setAnchorPoint(Vector2(0.5f, 0.5f));
	_callback = callback;
    _enabled = true;
    _selected = false;
    return true;
}

MenuItem::~MenuItem()
{
	CC_SAFE_RELEASE(_target);
}

void MenuItem::selected()
{
    _selected = true;
}

void MenuItem::unselected()
{
    _selected = false;
}

void MenuItem::activate()
{
    if (_enabled)
    {
        if( _callback )
        {
			_callback(this);
        }
#if CC_ENABLE_SCRIPT_BINDING
        if (kScriptTypeNone != _scriptType)
        {
            BasicScriptData data(this);
            ScriptEvent scriptEvent(kMenuClickedEvent,&data);
            ScriptEngineManager::getInstance()->getScriptEngine()->sendEvent(&scriptEvent);
        }
#endif
    }
}

void MenuItem::setEnabled(bool enabled)
{
    _enabled = enabled;
}

bool MenuItem::isEnabled() const
{
    return _enabled;
}

Rect MenuItem::rect() const
{
    return Rect( _position.x - _contentSize.width * _anchorPoint.x,
                      _position.y - _contentSize.height * _anchorPoint.y,
                      _contentSize.width, _contentSize.height);
}

bool MenuItem::isSelected() const
{
    return _selected;
}

// XXX deprecated
void MenuItem::setTarget(Ref *target, SEL_MenuHandler selector)
{
	_target = target;
	CC_SAFE_RETAIN(_target);
	setCallback( std::bind( selector, target, std::placeholders::_1) );
}

void MenuItem::setCallback(const ccMenuCallback& callback)
{
	_callback = callback;
}

std::string MenuItem::getDescription() const
{
    return StringUtils::format("<MenuItem | tag = %d>", _tag);
}

//
//CCMenuItemLabel
//

void MenuItemLabel::setLabel(Node* var)
{
    if (var)
    {
        var->setAnchorPoint(Vector2::ANCHOR_BOTTOM_LEFT);
        setContentSize(var->getContentSize()); 
        addChild(var);
    }
    
    if (_label)
    {
        removeChild(_label, true);
    }
    
    _label = var;
}

// XXX: deprecated
MenuItemLabel * MenuItemLabel::create(Node*label, Ref* target, SEL_MenuHandler selector)
{
    MenuItemLabel *ret = new MenuItemLabel();
    ret->initWithLabel(label, target, selector);
    ret->autorelease();
    return ret;
}

MenuItemLabel * MenuItemLabel::create(Node*label, const ccMenuCallback& callback)
{
    MenuItemLabel *ret = new MenuItemLabel();
    ret->initWithLabel(label, callback);
    ret->autorelease();
    return ret;
}

MenuItemLabel* MenuItemLabel::create(Node *label)
{
    MenuItemLabel *ret = new MenuItemLabel();
    ret->initWithLabel(label, (const ccMenuCallback&) nullptr);
    ret->autorelease();
    return ret;
}

// XXX: deprecated
bool MenuItemLabel::initWithLabel(Node* label, Ref* target, SEL_MenuHandler selector)
{
	_target = target;
	CC_SAFE_RETAIN(_target);
	return initWithLabel(label, std::bind(selector,target, std::placeholders::_1) );
}

bool MenuItemLabel::initWithLabel(Node* label, const ccMenuCallback& callback)
{
    MenuItem::initWithCallback(callback);
    _originalScale = 1.0f;
    _colorBackup = Color3B::WHITE;
    setDisabledColor(Color3B(126,126,126));
    this->setLabel(label);

    setCascadeColorEnabled(true);
    setCascadeOpacityEnabled(true);

    return true;
}


MenuItemLabel::~MenuItemLabel()
{
}

void MenuItemLabel::setString(const std::string& label)
{
    dynamic_cast<LabelProtocol*>(_label)->setString(label);
    this->setContentSize(_label->getContentSize());
}

void MenuItemLabel::activate()
{
    if(_enabled)
    {
        this->stopAllActions();
        this->setScale( _originalScale );
        MenuItem::activate();
    }
}

void MenuItemLabel::selected()
{
    // subclass to change the default action
    if(_enabled)
    {
        MenuItem::selected();
        
        Action *action = getActionByTag(kZoomActionTag);
        if (action)
        {
            this->stopAction(action);
        }
        else
        {
            _originalScale = this->getScale();
        }
        
        Action *zoomAction = ScaleTo::create(0.1f, _originalScale * 1.2f);
        zoomAction->setTag(kZoomActionTag);
        this->runAction(zoomAction);
    }
}

void MenuItemLabel::unselected()
{
    // subclass to change the default action
    if(_enabled)
    {
        MenuItem::unselected();
        this->stopActionByTag(kZoomActionTag);
        Action *zoomAction = ScaleTo::create(0.1f, _originalScale);
        zoomAction->setTag(kZoomActionTag);
        this->runAction(zoomAction);
    }
}

void MenuItemLabel::setEnabled(bool enabled)
{
    if( _enabled != enabled ) 
    {
        if(enabled == false)
        {
            _colorBackup = this->getColor();
            this->setColor(_disabledColor);
        }
        else
        {
            this->setColor(_colorBackup);
        }
    }
    MenuItem::setEnabled(enabled);
}

//
//CCMenuItemAtlasFont
//

MenuItemAtlasFont * MenuItemAtlasFont::create(const std::string& value, const std::string& charMapFile, int itemWidth, int itemHeight, char startCharMap)
{
    return MenuItemAtlasFont::create(value, charMapFile, itemWidth, itemHeight, startCharMap, (const ccMenuCallback&)nullptr);
}

// XXX: deprecated
MenuItemAtlasFont * MenuItemAtlasFont::create(const std::string& value, const std::string& charMapFile, int itemWidth, int itemHeight, char startCharMap, Ref* target, SEL_MenuHandler selector)
{
    MenuItemAtlasFont *ret = new MenuItemAtlasFont();
    ret->initWithString(value, charMapFile, itemWidth, itemHeight, startCharMap, target, selector);
    ret->autorelease();
    return ret;
}

MenuItemAtlasFont * MenuItemAtlasFont::create(const std::string& value, const std::string& charMapFile, int itemWidth, int itemHeight, char startCharMap, const ccMenuCallback& callback)
{
    MenuItemAtlasFont *ret = new MenuItemAtlasFont();
    ret->initWithString(value, charMapFile, itemWidth, itemHeight, startCharMap, callback);
    ret->autorelease();
    return ret;
}

// XXX: deprecated
bool MenuItemAtlasFont::initWithString(const std::string& value, const std::string& charMapFile, int itemWidth, int itemHeight, char startCharMap, Ref* target, SEL_MenuHandler selector)
{
	_target = target;
	CC_SAFE_RETAIN(_target);
	return initWithString(value, charMapFile, itemWidth, itemHeight, startCharMap, std::bind(selector,target, std::placeholders::_1) );
}

bool MenuItemAtlasFont::initWithString(const std::string& value, const std::string& charMapFile, int itemWidth, int itemHeight, char startCharMap, const ccMenuCallback& callback)
{
    CCASSERT( value.size() != 0, "value length must be greater than 0");
    LabelAtlas *label = LabelAtlas::create();
    label->initWithString(value, charMapFile, itemWidth, itemHeight, startCharMap);
    if (MenuItemLabel::initWithLabel(label, callback))
    {
        // do something ?
    }
    return true;
}

//
//CCMenuItemFont
//

void MenuItemFont::setFontSize(int s)
{
    _globalFontSize = s;
}

int MenuItemFont::getFontSize()
{
    return _globalFontSize;
}

void MenuItemFont::setFontName(const std::string& name)
{
    if (_globalFontNameRelease)
    {
        _globalFontName.clear();
    }
    _globalFontName = name;
    _globalFontNameRelease = true;
}

const std::string& MenuItemFont::getFontName()
{
    return _globalFontName;
}

// XXX: deprecated
MenuItemFont * MenuItemFont::create(const std::string& value, Ref* target, SEL_MenuHandler selector)
{
    MenuItemFont *ret = new MenuItemFont();
    ret->initWithString(value, target, selector);
    ret->autorelease();
    return ret;
}

MenuItemFont * MenuItemFont::create(const std::string& value, const ccMenuCallback& callback)
{
    MenuItemFont *ret = new MenuItemFont();
    ret->initWithString(value, callback);
    ret->autorelease();
    return ret;
}


MenuItemFont * MenuItemFont::create(const std::string& value)
{
    MenuItemFont *ret = new MenuItemFont();
    ret->initWithString(value, (const ccMenuCallback&)nullptr);
    ret->autorelease();
    return ret;
}

MenuItemFont::MenuItemFont()
 : _fontSize(0), _fontName("")
{}

MenuItemFont::~MenuItemFont()
{
    CCLOGINFO("In the destructor of MenuItemFont (%p).", this);
}

// XXX: deprecated
bool MenuItemFont::initWithString(const std::string& value, Ref* target, SEL_MenuHandler selector)
{
    CCASSERT( !value.empty(), "Value length must be greater than 0");

	_target = target;
    CC_SAFE_RETAIN(target);
	return initWithString(value, std::bind(selector,target, std::placeholders::_1) );
}

bool MenuItemFont::initWithString(const std::string& value, const ccMenuCallback& callback)
{
    CCASSERT( !value.empty(), "Value length must be greater than 0");

    _fontName = _globalFontName;
    _fontSize = _globalFontSize;

    Label *label = Label::createWithSystemFont(value, _fontName, _fontSize);
    if (MenuItemLabel::initWithLabel(label, callback))
    {
        // do something ?
    }
    return true;
}

void MenuItemFont::setFontSizeObj(int s)
{
    _fontSize = s;
    dynamic_cast<Label*>(_label)->setSystemFontSize(_fontSize);
    this->setContentSize(dynamic_cast<Label*>(_label)->getContentSize());
}

int MenuItemFont::getFontSizeObj() const
{
    return _fontSize;
}

void MenuItemFont::setFontNameObj(const std::string& name)
{
    _fontName = name;
    dynamic_cast<Label*>(_label)->setSystemFontName(_fontName);
    this->setContentSize(dynamic_cast<Label*>(_label)->getContentSize());
}

const std::string& MenuItemFont::getFontNameObj() const
{
    return _fontName;
}

//
//CCMenuItemSprite
//

void MenuItemSprite::setNormalImage(Node* image)
{
    if (image != _normalImage)
    {
        if (image)
        {
            addChild(image, 0, kNormalTag);
            image->setAnchorPoint(Vector2(0, 0));
        }

        if (_normalImage)
        {
            removeChild(_normalImage, true);
        }

        _normalImage = image;
        this->setContentSize(_normalImage->getContentSize());
        this->updateImagesVisibility();
    }
}

void MenuItemSprite::setSelectedImage(Node* image)
{
    if (image != _normalImage)
    {
        if (image)
        {
            addChild(image, 0, kSelectedTag);
            image->setAnchorPoint(Vector2(0, 0));
        }

        if (_selectedImage)
        {
            removeChild(_selectedImage, true);
        }

        _selectedImage = image;
        this->updateImagesVisibility();
    }
}

void MenuItemSprite::setDisabledImage(Node* image)
{
    if (image != _normalImage)
    {
        if (image)
        {
            addChild(image, 0, kDisableTag);
            image->setAnchorPoint(Vector2(0, 0));
        }

        if (_disabledImage)
        {
            removeChild(_disabledImage, true);
        }

        _disabledImage = image;
        this->updateImagesVisibility();
    }
}

//
//CCMenuItemSprite
//

MenuItemSprite * MenuItemSprite::create(Node* normalSprite, Node* selectedSprite, Node* disabledSprite)
{
    return MenuItemSprite::create(normalSprite, selectedSprite, disabledSprite, (const ccMenuCallback&)nullptr);
}

// XXX deprecated
MenuItemSprite * MenuItemSprite::create(Node* normalSprite, Node* selectedSprite, Ref* target, SEL_MenuHandler selector)
{
    return MenuItemSprite::create(normalSprite, selectedSprite, nullptr, target, selector);
}

MenuItemSprite * MenuItemSprite::create(Node* normalSprite, Node* selectedSprite, const ccMenuCallback& callback)
{
    return MenuItemSprite::create(normalSprite, selectedSprite, nullptr, callback);
}

// XXX deprecated
MenuItemSprite * MenuItemSprite::create(Node *normalSprite, Node *selectedSprite, Node *disabledSprite, Ref *target, SEL_MenuHandler selector)
{
    MenuItemSprite *ret = new MenuItemSprite();
    ret->initWithNormalSprite(normalSprite, selectedSprite, disabledSprite, target, selector); 
    ret->autorelease();
    return ret;
}

MenuItemSprite * MenuItemSprite::create(Node *normalSprite, Node *selectedSprite, Node *disabledSprite, const ccMenuCallback& callback)
{
    MenuItemSprite *ret = new MenuItemSprite();
    ret->initWithNormalSprite(normalSprite, selectedSprite, disabledSprite, callback);
    ret->autorelease();
    return ret;
}

// XXX deprecated
bool MenuItemSprite::initWithNormalSprite(Node* normalSprite, Node* selectedSprite, Node* disabledSprite, Ref* target, SEL_MenuHandler selector)
{
	_target = target;
	CC_SAFE_RETAIN(_target);
	return initWithNormalSprite(normalSprite, selectedSprite, disabledSprite, std::bind(selector,target, std::placeholders::_1) );
}

bool MenuItemSprite::initWithNormalSprite(Node* normalSprite, Node* selectedSprite, Node* disabledSprite, const ccMenuCallback& callback)
{
    MenuItem::initWithCallback(callback);
    setNormalImage(normalSprite);
    setSelectedImage(selectedSprite);
    setDisabledImage(disabledSprite);

    if(_normalImage)
    {
        this->setContentSize(_normalImage->getContentSize());
    }

    setCascadeColorEnabled(true);
    setCascadeOpacityEnabled(true);

    return true;
}

/**
 @since v0.99.5
 */
void MenuItemSprite::selected()
{
    MenuItem::selected();

    if (_normalImage)
    {
        if (_disabledImage)
        {
            _disabledImage->setVisible(false);
        }

        if (_selectedImage)
        {
            _normalImage->setVisible(false);
            _selectedImage->setVisible(true);
        }
        else
        {
            _normalImage->setVisible(true);
        }
    }
}

void MenuItemSprite::unselected()
{
    MenuItem::unselected();
    if (_normalImage)
    {
        _normalImage->setVisible(true);

        if (_selectedImage)
        {
            _selectedImage->setVisible(false);
        }

        if (_disabledImage)
        {
            _disabledImage->setVisible(false);
        }
    }
}

void MenuItemSprite::setEnabled(bool bEnabled)
{
    if( _enabled != bEnabled ) 
    {
        MenuItem::setEnabled(bEnabled);
        this->updateImagesVisibility();
    }
}

// Helper 
void MenuItemSprite::updateImagesVisibility()
{
    if (_enabled)
    {
        if (_normalImage)   _normalImage->setVisible(true);
        if (_selectedImage) _selectedImage->setVisible(false);
        if (_disabledImage) _disabledImage->setVisible(false);
    }
    else
    {
        if (_disabledImage)
        {
            if (_normalImage)   _normalImage->setVisible(false);
            if (_selectedImage) _selectedImage->setVisible(false);
            if (_disabledImage) _disabledImage->setVisible(true);
        }
        else
        {
            if (_normalImage)   _normalImage->setVisible(true);
            if (_selectedImage) _selectedImage->setVisible(false);
            if (_disabledImage) _disabledImage->setVisible(false);
        }
    }
}

///
/// MenuItemImage
///

MenuItemImage* MenuItemImage::create()
{
    MenuItemImage *ret = new MenuItemImage();
    if (ret && ret->init())
    {
        ret->autorelease();
        return ret;
    }
    CC_SAFE_DELETE(ret);
    return nullptr;
}

bool MenuItemImage::init(void)
{
    return initWithNormalImage("", "", "", (const ccMenuCallback&)nullptr);
}

MenuItemImage * MenuItemImage::create(const std::string& normalImage, const std::string& selectedImage)
{
    return MenuItemImage::create(normalImage, selectedImage, "", (const ccMenuCallback&)nullptr);
}

// XXX deprecated
MenuItemImage * MenuItemImage::create(const std::string& normalImage, const std::string& selectedImage, Ref* target, SEL_MenuHandler selector)
{
    return MenuItemImage::create(normalImage, selectedImage, "", target, selector);
}

MenuItemImage * MenuItemImage::create(const std::string& normalImage, const std::string& selectedImage, const ccMenuCallback& callback)
{
    return MenuItemImage::create(normalImage, selectedImage, "", callback);
}

// XXX deprecated
MenuItemImage * MenuItemImage::create(const std::string& normalImage, const std::string& selectedImage, const std::string& disabledImage, Ref* target, SEL_MenuHandler selector)
{
    MenuItemImage *ret = new MenuItemImage();
    if (ret && ret->initWithNormalImage(normalImage, selectedImage, disabledImage, target, selector))
    {
        ret->autorelease();
        return ret;
    }
    CC_SAFE_DELETE(ret);
    return nullptr;
}

MenuItemImage * MenuItemImage::create(const std::string& normalImage, const std::string& selectedImage, const std::string& disabledImage, const ccMenuCallback& callback)
{
    MenuItemImage *ret = new MenuItemImage();
    if (ret && ret->initWithNormalImage(normalImage, selectedImage, disabledImage, callback))
    {
        ret->autorelease();
        return ret;
    }
    CC_SAFE_DELETE(ret);
    return nullptr;
}

MenuItemImage * MenuItemImage::create(const std::string& normalImage, const std::string& selectedImage, const std::string& disabledImage)
{
    MenuItemImage *ret = new MenuItemImage();
    if (ret && ret->initWithNormalImage(normalImage, selectedImage, disabledImage, (const ccMenuCallback&)nullptr))
    {
        ret->autorelease();
        return ret;
    }
    CC_SAFE_DELETE(ret);
    return nullptr;
}

// XXX: deprecated
bool MenuItemImage::initWithNormalImage(const std::string& normalImage, const std::string& selectedImage, const std::string& disabledImage, Ref* target, SEL_MenuHandler selector)
{
	_target = target;
	CC_SAFE_RETAIN(_target);
	return initWithNormalImage(normalImage, selectedImage, disabledImage, std::bind(selector,target, std::placeholders::_1) );
}
bool MenuItemImage::initWithNormalImage(const std::string& normalImage, const std::string& selectedImage, const std::string& disabledImage, const ccMenuCallback& callback)
{
    Node *normalSprite = nullptr;
    Node *selectedSprite = nullptr;
    Node *disabledSprite = nullptr;

    if (normalImage.size() >0)
    {
        normalSprite = Sprite::create(normalImage);
    }

    if (selectedImage.size() >0)
    {
        selectedSprite = Sprite::create(selectedImage);
    }

    if(disabledImage.size() >0)
    {
        disabledSprite = Sprite::create(disabledImage);
    }
    return initWithNormalSprite(normalSprite, selectedSprite, disabledSprite, callback);
}

//
// Setter of sprite frames
//
void MenuItemImage::setNormalSpriteFrame(SpriteFrame * frame)
{
    setNormalImage(Sprite::createWithSpriteFrame(frame));
}

void MenuItemImage::setSelectedSpriteFrame(SpriteFrame * frame)
{
    setSelectedImage(Sprite::createWithSpriteFrame(frame));
}

void MenuItemImage::setDisabledSpriteFrame(SpriteFrame * frame)
{
    setDisabledImage(Sprite::createWithSpriteFrame(frame));
}

//
// MenuItemToggle
//

// XXX: deprecated
MenuItemToggle * MenuItemToggle::createWithTarget(Ref* target, SEL_MenuHandler selector, const Vector<MenuItem*>& menuItems)
{
    MenuItemToggle *ret = new MenuItemToggle();
    ret->MenuItem::initWithTarget(target, selector);
    ret->_subItems = menuItems;
    ret->_selectedIndex = UINT_MAX;
    ret->setSelectedIndex(0);
    return ret;
}

MenuItemToggle * MenuItemToggle::createWithCallback(const ccMenuCallback &callback, const Vector<MenuItem*>& menuItems)
{
    MenuItemToggle *ret = new MenuItemToggle();
    ret->MenuItem::initWithCallback(callback);
    ret->_subItems = menuItems;
    ret->_selectedIndex = UINT_MAX;
    ret->setSelectedIndex(0);
    return ret;
}

// XXX: deprecated
MenuItemToggle * MenuItemToggle::createWithTarget(Ref* target, SEL_MenuHandler selector, MenuItem* item, ...)
{
    va_list args;
    va_start(args, item);
    MenuItemToggle *ret = new MenuItemToggle();
    ret->initWithTarget(target, selector, item, args);
    ret->autorelease();
    va_end(args);
    return ret;
}

MenuItemToggle * MenuItemToggle::createWithCallback(const ccMenuCallback &callback, MenuItem* item, ...)
{
    va_list args;
    va_start(args, item);
    MenuItemToggle *ret = new MenuItemToggle();
    ret->initWithCallback(callback, item, args);
    ret->autorelease();
    va_end(args);
    return ret;
}

MenuItemToggle * MenuItemToggle::create()
{
    MenuItemToggle *ret = new MenuItemToggle();
    ret->initWithItem(nullptr);
    ret->autorelease();
    return ret;
}

// XXX: deprecated
bool MenuItemToggle::initWithTarget(Ref* target, SEL_MenuHandler selector, MenuItem* item, va_list args)
{
	_target = target;
	CC_SAFE_RETAIN(_target);
	return initWithCallback(std::bind( selector, target, std::placeholders::_1), item, args);
}

bool MenuItemToggle::initWithCallback(const ccMenuCallback &callback, MenuItem *item, va_list args)
{
    MenuItem::initWithCallback(callback);

    int z = 0;
    MenuItem *i = item;
    while(i)
    {
        z++;
        _subItems.pushBack(i);
        i = va_arg(args, MenuItem*);
    }
    _selectedIndex = UINT_MAX;
    this->setSelectedIndex(0);
    return true;
}

MenuItemToggle* MenuItemToggle::create(MenuItem *item)
{
    MenuItemToggle *ret = new MenuItemToggle();
    ret->initWithItem(item);
    ret->autorelease();
    return ret;
}

bool MenuItemToggle::initWithItem(MenuItem *item)
{
    MenuItem::initWithCallback((const ccMenuCallback&)nullptr);

    if (item)
    {
        _subItems.pushBack(item);
    }
    _selectedIndex = UINT_MAX;
    this->setSelectedIndex(0);
    
    setCascadeColorEnabled(true);
    setCascadeOpacityEnabled(true);
    
    return true;
}

void MenuItemToggle::addSubItem(MenuItem *item)
{
    _subItems.pushBack(item);
}

MenuItemToggle::~MenuItemToggle()
{
    for(const auto &item : _subItems) {
        item->cleanup();
    }
}

void MenuItemToggle::setSelectedIndex(unsigned int index)
{
    if( index != _selectedIndex && _subItems.size() > 0 )
    {
        _selectedIndex = index;
        MenuItem *currentItem = (MenuItem*)getChildByTag(kCurrentItem);
        if( currentItem )
        {
            currentItem->removeFromParentAndCleanup(false);
        }

        MenuItem* item = _subItems.at(_selectedIndex);
        this->addChild(item, 0, kCurrentItem);
        Size s = item->getContentSize();
        this->setContentSize(s);
        item->setPosition( Vector2( s.width/2, s.height/2 ) );
    }
}

void MenuItemToggle::selected()
{
    MenuItem::selected();
    _subItems.at(_selectedIndex)->selected();
}

void MenuItemToggle::unselected()
{
    MenuItem::unselected();
    _subItems.at(_selectedIndex)->unselected();
}

void MenuItemToggle::activate()
{
    // update index
    if( _enabled ) 
    {
        unsigned int newIndex = (_selectedIndex + 1) % _subItems.size();
        this->setSelectedIndex(newIndex);
    }
    MenuItem::activate();
}
void MenuItemToggle::setEnabled(bool enabled)
{
    if (_enabled != enabled)
    {
        MenuItem::setEnabled(enabled);

        for(const auto &item : _subItems) {
            item->setEnabled(enabled);
        }
    }
}

MenuItem* MenuItemToggle::getSelectedItem()
{
    return _subItems.at(_selectedIndex);
}

NS_CC_END

#if defined(__GNUC__) && ((__GNUC__ >= 4) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1)))
#pragma GCC diagnostic warning "-Wdeprecated-declarations"
#elif _MSC_VER >= 1400 //vs 2005 or higher
#pragma warning (pop)
#endif