axmol/cocos2dx/include/CCMenu.h

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

http://www.cocos2d-x.org

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#ifndef __CCMENU_H_
#define __CCMENU_H_

#include "CCMenuItem.h"
#include "CCLayer.h"

namespace cocos2d{

	typedef enum  
	{
        kCCMenuStateWaiting,
        kCCMenuStateTrackingTouch
    } tCCMenuState;

    enum {
        //* priority used by the menu
        kCCMenuTouchPriority = -128,
    };

	/** @brief A CCMenu
	* 
	* Features and Limitation:
	*  - You can add MenuItem objects in runtime using addChild:
	*  - But the only accecpted children are MenuItem objects
	*/
	class CC_DLL CCMenu : public CCLayer, public CCRGBAProtocol
	{
		/** Color: conforms with CCRGBAProtocol protocol */
		CC_PROPERTY_PASS_BY_REF(ccColor3B, m_tColor, Color);
		/** Opacity: conforms with CCRGBAProtocol protocol */
		CC_PROPERTY(GLubyte, m_cOpacity, Opacity);
	public:
		CCMenu()
			: m_cOpacity(0)
			, m_pSelectedItem(NULL)
		{}
		virtual ~CCMenu(){}

        /** creates an empty CCMenu */
        static CCMenu* node();

        /** creates a CCMenu with it's items */
        static CCMenu* menuWithItems(CCMenuItem* item, ...);

		/** creates a CCMenu with it's item, then use addChild() to add 
		  * other items. It is used for script, it can't init with undetermined
		  * number of variables.
		*/
		static CCMenu* menuWithItem(CCMenuItem* item);

        /** initializes an empty CCMenu */
        bool init();

		/** initializes a CCMenu with it's items */
		bool initWithItems(CCMenuItem* item, va_list args);

		/** align items vertically */
		void alignItemsVertically();
		/** align items vertically with padding
		@since v0.7.2
		*/
		void alignItemsVerticallyWithPadding(float padding);

		/** align items horizontally */
		void alignItemsHorizontally();
		/** align items horizontally with padding
		@since v0.7.2
		*/
		void alignItemsHorizontallyWithPadding(float padding);

		/** align items in rows of columns */
		void alignItemsInColumns(unsigned int columns, ...);
		void alignItemsInColumns(unsigned int columns, va_list args);

		/** align items in columns of rows */
		void alignItemsInRows(unsigned int rows, ...);
		void alignItemsInRows(unsigned int rows, va_list args);

		//super methods
		virtual void addChild(CCNode * child, int zOrder);
		virtual void addChild(CCNode * child, int zOrder, int tag);
		virtual void registerWithTouchDispatcher();

        /**
        @brief For phone event handle functions
        */
		virtual bool ccTouchBegan(CCTouch* touch, CCEvent* event);
		virtual void ccTouchEnded(CCTouch* touch, CCEvent* event);
		virtual void ccTouchCancelled(CCTouch *touch, CCEvent* event);
		virtual void ccTouchMoved(CCTouch* touch, CCEvent* event);

        /**
        @since v0.99.5
        override onExit
        */
        virtual void onExit();

		virtual void setIsOpacityModifyRGB(bool bValue) {CC_UNUSED_PARAM(bValue);}
	    virtual bool getIsOpacityModifyRGB(void) { return false;}

	protected:
		CCMenuItem* itemForTouch(CCTouch * touch);
		tCCMenuState m_eState;
		CCMenuItem *m_pSelectedItem;
	};
}

#endif//__CCMENU_H_