axmol/cocos/gui/UIInputManager.h

/****************************************************************************
 Copyright (c) 2013 cocos2d-x.org
 
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 ****************************************************************************/

#ifndef __UIINPUTMANAGER_H__
#define __UIINPUTMANAGER_H__

#include "cocos2d.h"
#include "gui/UILayout.h"

namespace gui {

class UIInputManager
{
public:
    /**
     * Default constructor
     */
    UIInputManager();
    
    /**
     * Default destructor
     */
    virtual ~UIInputManager();
    
    /**
     * Regist a widget to input manager.
     *
     * @param widget    registed widget can be touched.
     */
    void registWidget(UIWidget* widget);
        
    /**
     * Remove a registed widget from input manager.
     *
     * @param widget    widget which will be removed.
     */
    void removeManageredWidget(UIWidget* widget);
    
    /**
     * Finds a widget which is selected and call it's "onTouchBegan" method.
     *
     * @param touch point.
     *
     * @return true that find a widget selected, false otherwise.
     */
    bool checkEventWidget(const cocos2d::Point &touchPoint);
    
    
    void update(float dt);
    bool onTouchBegan(cocos2d::Touch* touch);
    void onTouchMoved(cocos2d::Touch* touch);
    void onTouchEnd(cocos2d::Touch* touch);
    void onTouchCancelled(cocos2d::Touch* touch);
    
    void setRootWidget(UIWidget* root);
    UIWidget* getRootWidget();
    void addCheckedDoubleClickWidget(UIWidget* widget);
protected:
    bool checkTouchEvent(UIWidget* root, const cocos2d::Point& touchPoint);
protected:
    cocos2d::Array* _manageredWidget;
    cocos2d::Array* _selectedWidgets;
    cocos2d::Point _touchBeganedPoint;
    cocos2d::Point _touchMovedPoint;
    cocos2d::Point _touchEndedPoint;
    cocos2d::Point _touchCanceledPoint;
    bool _touchDown;
    float _longClickTime;
    float _longClickRecordTime;
    cocos2d::Array* _checkedDoubleClickWidget;
    UIWidget* _rootWidget;
};

}

#endif /* defined(__CocoGUI__UIInputManager__) */