axmol/cocos2dx/include/CCMenuItem.h

/****************************************************************************
Copyright (c) 2010-2011 cocos2d-x.org
Copyright (c) 2008-2010 Ricardo Quesada

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#ifndef __CCMENU_ITEM_H__
#define __CCMENU_ITEM_H__

#include "CCNode.h"
#include "CCProtocols.h"
#include "selector_protocol.h"

namespace cocos2d{

	class CCLabelTTF;
	class CCLabelAtlas;
	class CCSprite;

#define kItemSize 32

	/** @brief CCMenuItem base class
	*
	*  Subclass CCMenuItem (or any subclass) to create your custom CCMenuItem objects.
	*/
	class CC_DLL CCMenuItem : public CCNode
	{
		/** whether or not the item is selected
		@since v0.8.2
		*/
		CC_PROPERTY_READONLY(bool, m_bIsSelected, IsSelected);
		CC_PROPERTY(bool, m_bIsEnabled, IsEnabled);
	public:
		CCMenuItem()
			: m_bIsSelected(false)
            , m_bIsEnabled(false)            
            , m_pListener(NULL)			
			, m_pfnSelector(NULL)
		{}
		virtual ~CCMenuItem(){}
		/** Creates a CCMenuItem with a target/selector */
		static CCMenuItem * itemWithTarget(SelectorProtocol *rec, SEL_MenuHandler selector);
		/** Initializes a CCMenuItem with a target/selector */
		bool initWithTarget(SelectorProtocol *rec, SEL_MenuHandler selector);
		/** Returns the outside box */
		CCRect rect();
		/** Activate the item */
		virtual void activate();
		/** The item was selected (not activated), similar to "mouse-over" */
		virtual void selected();
		/** The item was unselected */
		virtual void unselected();
		/** Register a script function, the function is called in activete
		*  If pszFunctionName is NULL, then unregister it.
		*/
		virtual void registerScriptHandler(const char* pszFunctionName);
	protected:
		SelectorProtocol*	m_pListener;
		SEL_MenuHandler		m_pfnSelector;
		std::string         m_functionName;
	};

	/** @brief An abstract class for "label" CCMenuItemLabel items 
	Any CCNode that supports the CCLabelProtocol protocol can be added.
	Supported nodes:
	- CCBitmapFontAtlas
	- CCLabelAtlas
	- CCLabelTTF
	*/
	class CC_DLL CCMenuItemLabel : public CCMenuItem, public CCRGBAProtocol
	{
		/** the color that will be used to disable the item */
		CC_PROPERTY(ccColor3B, m_tDisabledColor, DisabledColor);
		/** Label that is rendered. It can be any CCNode that implements the CCLabelProtocol */
		CC_PROPERTY(CCNode*, m_pLabel, Label);
	public:
		CCMenuItemLabel()
			: m_pLabel(NULL)
			, m_fOriginalScale(0.0)
		{}
		virtual ~CCMenuItemLabel();
		/** creates a CCMenuItemLabel with a Label, target and selector */
		static CCMenuItemLabel * itemWithLabel(CCNode*label, SelectorProtocol* target, SEL_MenuHandler selector);
		/** initializes a CCMenuItemLabel with a Label, target and selector */
		bool initWithLabel(CCNode* label, SelectorProtocol* target, SEL_MenuHandler selector);
		/** sets a new string to the inner label */
		void setString(const char * label);
		// super methods
		virtual void activate();
		virtual void selected();
		virtual void unselected();
		/** Enable or disabled the CCMenuItemFont
		@warning setIsEnabled changes the RGB color of the font
		*/
		virtual void setIsEnabled(bool enabled);
		virtual void setOpacity(GLubyte opacity);
		virtual GLubyte getOpacity();
		virtual void setColor(ccColor3B color);
		virtual ccColor3B getColor();

		virtual CCRGBAProtocol* convertToRGBAProtocol() { return (CCRGBAProtocol*)this; }
	protected:
		ccColor3B	m_tColorBackup;
		float		m_fOriginalScale;
	};

	/** @brief A CCMenuItemAtlasFont
	Helper class that creates a MenuItemLabel class with a LabelAtlas
	*/
	class CC_DLL CCMenuItemAtlasFont : public CCMenuItemLabel
	{
	public:
		CCMenuItemAtlasFont(){}
		virtual ~CCMenuItemAtlasFont(){}
		/** creates a menu item from a string and atlas with a target/selector */
		static CCMenuItemAtlasFont* itemFromString(const char *value, const char *charMapFile, int itemWidth, int itemHeight, char startCharMap);
		/** creates a menu item from a string and atlas. Use it with MenuItemToggle */
		static CCMenuItemAtlasFont* itemFromString(const char *value, const char *charMapFile, int itemWidth, int itemHeight, char startCharMap, SelectorProtocol* target, SEL_MenuHandler selector);
		/** initializes a menu item from a string and atlas with a target/selector */
		bool initFromString(const char *value, const char *charMapFile, int itemWidth, int itemHeight, char startCharMap, SelectorProtocol* target, SEL_MenuHandler selector);
	};

	/** @brief A CCMenuItemFont
	Helper class that creates a CCMenuItemLabel class with a Label
	*/
	class CC_DLL CCMenuItemFont : public CCMenuItemLabel
	{
	public:
		CCMenuItemFont(){}
		virtual ~CCMenuItemFont(){}
		/** set font size */
		static void setFontSize(int s);
		/** get font size */
		static int fontSize();
		/** set the font name */
		static void setFontName(const char *name);
		/** get the font name */
		static const char *fontName();
		/** creates a menu item from a string without target/selector. To be used with CCMenuItemToggle */
		static CCMenuItemFont * itemFromString(const char *value);
		/** creates a menu item from a string with a target/selector */
		static CCMenuItemFont * itemFromString(const char *value, SelectorProtocol* target, SEL_MenuHandler selector);
		/** initializes a menu item from a string with a target/selector */
		bool initFromString(const char *value, SelectorProtocol* target, SEL_MenuHandler selector);
	};

	/** @brief CCMenuItemSprite accepts CCNode<CCRGBAProtocol> objects as items.
	The images has 3 different states:
	- unselected image
	- selected image
	- disabled image

	@since v0.8.0
	*/
	class CC_DLL CCMenuItemSprite : public CCMenuItem, public CCRGBAProtocol
	{
		/** the image used when the item is not selected */
		CC_PROPERTY(CCNode*, m_pNormalImage, NormalImage);
		/** the image used when the item is selected */
		CC_PROPERTY(CCNode*, m_pSelectedImage, SelectedImage);
		/** the image used when the item is disabled */
		CC_PROPERTY(CCNode*, m_pDisabledImage, DisabledImage);
	public:
		CCMenuItemSprite()
			:m_pNormalImage(NULL)
			,m_pSelectedImage(NULL)
			,m_pDisabledImage(NULL)
		{}
		/** creates a menu item with a normal and selected image*/
		static CCMenuItemSprite * itemFromNormalSprite(CCNode* normalSprite, CCNode* selectedSprite);
		/** creates a menu item with a normal and selected image with target/selector */
		static CCMenuItemSprite * itemFromNormalSprite(CCNode* normalSprite, CCNode* selectedSprite, SelectorProtocol* target, SEL_MenuHandler selector);
		/** creates a menu item with a normal,selected  and disabled image with target/selector */
		static CCMenuItemSprite * itemFromNormalSprite(CCNode* normalSprite, CCNode* selectedSprite, CCNode* disabledSprite, SelectorProtocol* target, SEL_MenuHandler selector);
		/** initializes a menu item with a normal, selected  and disabled image with target/selector */
		bool initFromNormalSprite(CCNode* normalSprite, CCNode* selectedSprite, CCNode* disabledSprite, SelectorProtocol* target, SEL_MenuHandler selector);
		// super methods
        virtual void setColor(ccColor3B color);
        virtual ccColor3B getColor();
        virtual void setOpacity(GLubyte opacity);
        virtual GLubyte getOpacity();

        /**
        @since v0.99.5
        */
        virtual void selected();
        virtual void unselected();
        virtual void setIsEnabled(bool bEnabled);

		virtual CCRGBAProtocol* convertToRGBAProtocol() { return (CCRGBAProtocol*)this; }
	};

	/** @brief CCMenuItemImage accepts images as items.
	The images has 3 different states:
	- unselected image
	- selected image
	- disabled image

	For best results try that all images are of the same size
	*/
	class CC_DLL CCMenuItemImage : public CCMenuItemSprite
	{
	public:
		CCMenuItemImage(){}
		virtual ~CCMenuItemImage(){}
		/** creates a menu item with a normal and selected image*/
		static CCMenuItemImage* itemFromNormalImage(const char *normalImage, const char *selectedImage);
		/** creates a menu item with a normal,selected  and disabled image*/
		static CCMenuItemImage* itemFromNormalImage(const char *normalImage, const char *selectedImage, const char *disabledImage);
		/** creates a menu item with a normal and selected image with target/selector */
		static CCMenuItemImage* itemFromNormalImage(const char *normalImage, const char *selectedImage, SelectorProtocol* target, SEL_MenuHandler selector);
		/** creates a menu item with a normal,selected  and disabled image with target/selector */
		static CCMenuItemImage* itemFromNormalImage(const char *normalImage, const char *selectedImage, const char *disabledImage, SelectorProtocol* target, SEL_MenuHandler selector);
		/** initializes a menu item with a normal, selected  and disabled image with target/selector */
		bool initFromNormalImage(const char *normalImage, const char *selectedImage, const char *disabledImage, SelectorProtocol* target, SEL_MenuHandler selector);
	};

	/** @brief A CCMenuItemToggle
	A simple container class that "toggles" it's inner items
	The inner itmes can be any MenuItem
	*/
	class CC_DLL CCMenuItemToggle : public CCMenuItem, public CCRGBAProtocol
	{
		/** conforms with CCRGBAProtocol protocol */
		CC_PROPERTY(GLubyte, m_cOpacity, Opacity);
		/** conforms with CCRGBAProtocol protocol */
		CC_PROPERTY(ccColor3B, m_tColor, Color);
		/** returns the selected item */
		CC_PROPERTY(unsigned int, m_uSelectedIndex, SelectedIndex);
		/** CCMutableArray that contains the subitems. You can add/remove items in runtime, and you can replace the array with a new one.
		@since v0.7.2
		*/
		CC_PROPERTY(CCMutableArray<CCMenuItem*>*, m_pSubItems, SubItems);
	public:
		CCMenuItemToggle()
			: m_cOpacity(0)
            , m_uSelectedIndex(0)
			, m_pSubItems(NULL)			
		{}
		virtual ~CCMenuItemToggle();
		/** creates a menu item from a list of items with a target/selector */
		static CCMenuItemToggle* itemWithTarget(SelectorProtocol* target, SEL_MenuHandler selector, CCMenuItem* item, ...);
		/** initializes a menu item from a list of items with a target selector */
		bool initWithTarget(SelectorProtocol* target, SEL_MenuHandler selector, CCMenuItem* item, va_list args);
		/** return the selected item */
		CCMenuItem* selectedItem();
		// super methods
		virtual void activate();
		virtual void selected();
		virtual void unselected();
		virtual void setIsEnabled(bool var);

		virtual CCRGBAProtocol* convertToRGBAProtocol() { return (CCRGBAProtocol*)this; }
	};

}

#endif //__CCMENU_ITEM_H__