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cocos2d-X 节点(UICheckBox.h)API

2014年01月18日 ⁄ 综合 ⁄ 共 4471字 ⁄ 字号 评论关闭

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cocos2d-X 节点(UICheckBox.h)API

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///cocos2d-x-3.0alpha0/extensions/CocoStudio/GUI/UIWidgets


#ifndef __UICHECKBOX_H__
#define __UICHECKBOX_H__

#include "../BaseClasses/UIWidget.h"

NS_CC_EXT_BEGIN

typedef enum
{
    CHECKBOX_STATE_EVENT_SELECTED,
    CHECKBOX_STATE_EVENT_UNSELECTED
}CheckBoxEventType;

typedef void (CCObject::*SEL_SelectedStateEvent)(Object*,CheckBoxEventType);
#define checkboxselectedeventselector(_SELECTOR) (cocos2d::extension::SEL_SelectedStateEvent)(&_SELECTOR)

class UICheckBox : public UIWidget
{
public:
    /**
     * Default constructor
     */
    UICheckBox();
    
    /**
     * Default destructor
     */
    virtual ~UICheckBox();
    
    /**
     * Allocates and initializes.
     */
    static UICheckBox* create();
    
    /**
     * Load textures for checkbox.          //为 checkbox 加载 textures
     *
     * @param backGround    backGround texture.
     *
     * @param backGroundSelected    backGround selected state texture.
     *
     * @param cross    cross texture.
     *
     * @param frontCrossDisabled    cross dark state texture.
     *
     * @param texType    @see UI_TEX_TYPE_LOCAL
     */
    void loadTextures(const char* backGround,const char* backGroundSelected,const char* cross,const char* backGroundDisabled,const char* frontCrossDisabled,TextureResType texType = UI_TEX_TYPE_LOCAL);
    
    /**
     * Load backGround texture for checkbox.         //为 checkbox 加载 背景 texture
     *
     * @param backGround    backGround texture.
     *
     * @param texType    @see UI_TEX_TYPE_LOCAL
     */
    void loadTextureBackGround(const char* backGround,TextureResType type = UI_TEX_TYPE_LOCAL);
    
    /**
     * Load backGroundSelected texture for checkbox.         //为 checkbox 加载 选择状态下的 texture
     *
     * @param backGroundSelected     backGround selected state texture.
     *
     * @param texType    @see UI_TEX_TYPE_LOCAL
     */
    void loadTextureBackGroundSelected(const char* backGroundSelected,TextureResType texType = UI_TEX_TYPE_LOCAL);
    
    /**
     * Load cross texture for checkbox.              //为 checkbox 加载 backGroundDisabled 状态下的 texture
     *
     * @param cross    cross texture.
     *
     * @param texType    @see UI_TEX_TYPE_LOCAL
     */
    void loadTextureFrontCross(const char* cross,TextureResType texType = UI_TEX_TYPE_LOCAL);
    
    /**
     * Load backGroundDisabled texture for checkbox.            //为 checkbox 加载 backGroundDisabled 状态下的 texture
     *
     * @param backGroundDisabled    backGroundDisabled texture.
     *
     * @param texType    @see UI_TEX_TYPE_LOCAL
     */
    void loadTextureBackGroundDisabled(const char* backGroundDisabled,TextureResType texType = UI_TEX_TYPE_LOCAL);
    
    /**
     * Load frontCrossDisabled texture for checkbox.            //为 checkbox 加载 frontCrossDisabled 状态下的 texture
     *
     * @param frontCrossDisabled    frontCrossDisabled texture.
     *
     * @param texType    @see UI_TEX_TYPE_LOCAL
     */
    void loadTextureFrontCrossDisabled(const char* frontCrossDisabled,TextureResType texType = UI_TEX_TYPE_LOCAL);
    
    /**
     * Sets selcted state for checkbox.     //设置 checkbox 的选择状态
     *
     * @param selected    true that checkbox is selected, false otherwise.
     */
    void setSelectedState(bool selected);
    
    /**
     * Gets selcted state of checkbox.          //获取 checkbox 的选择状态
     *
     * @return selected    true that checkbox is selected, false otherwise.
     */
    bool getSelectedState();
    
    //override "setAnchorPoint" method of widget.
    virtual void setAnchorPoint(const Point &pt);
//    添加一个回调函数,当 checkbox 选择或非选择 状态下调用
    void addEventListener(Object* target,SEL_SelectedStateEvent selector);
    
    //override "setFlipX" method of widget.
    virtual void setFlipX(bool flipX);
    
    //override "setFlipY" method of widget.
    virtual void setFlipY(bool flipY);
    
    //override "isFlipX" method of widget.
    virtual bool isFlipX();
    
    //override "isFlipY" method of widget.
    virtual bool isFlipY();
    
    //override "onTouchEnded" method of widget.
    virtual void onTouchEnded(const Point &touchPoint);
    
    //override "getContentSize" method of widget.
    virtual const Size& getContentSize() const;
    
    //override "getVirtualRenderer" method of widget.
    virtual Node* getVirtualRenderer();

    /**
     * Returns the "class name" of widget.            //返回 widget的 名字
     */
    virtual const char* getDescription() const;
protected:
    virtual bool init();
    virtual void initRenderer();
    virtual void onPressStateChangedToNormal();
    virtual void onPressStateChangedToPressed();
    virtual void onPressStateChangedToDisabled();
    void selectedEvent();
    void unSelectedEvent();
    virtual void onSizeChanged();
    void backGroundTextureScaleChangedWithSize();
    void backGroundSelectedTextureScaleChangedWithSize();
    void frontCrossTextureScaleChangedWithSize();
    void backGroundDisabledTextureScaleChangedWithSize();
    void frontCrossDisabledTextureScaleChangedWithSize();
protected:
    Sprite* _backGroundBoxRenderer;
    Sprite* _backGroundSelectedBoxRenderer;
    Sprite* _frontCrossRenderer;
    Sprite* _backGroundBoxDisabledRenderer;
    Sprite* _frontCrossDisabledRenderer;
    bool _isSelected;

    Object*       _selectedStateEventListener;
    SEL_SelectedStateEvent    _selectedStateEventSelector;
    
    TextureResType _backGroundTexType;
    TextureResType _backGroundSelectedTexType;
    TextureResType _frontCrossTexType;
    TextureResType _backGroundDisabledTexType;
    TextureResType _frontCrossDisabledTexType;
};

NS_CC_EXT_END

#endif /* defined(__CocoGUI__UICheckBox__) */

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