src/eventhandler.h

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/*
* Copyright (c) 2006 by Kirill Kolodyazhniy.
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/

#ifndef M_EVENTHANDLER_H
#define M_EVENTHANDLER_H

namespace MWidgets
{

        class Widget;
        class BaseEventHandler
        {
        public:
                virtual void Call(Widget* sender);
                virtual void Call(Widget* sender,int x,int y,DWORD buttonMask);
                virtual void Call(Widget* sender,int left,int top,int right,int bottom);
        };

        template<class T>
        class EventHandler:public BaseEventHandler
        {
        public:
                typedef void (T::*EventCallBack)(Widget* sender);
        protected:
                T             *m_pParent;
                EventCallBack m_pCallBack; 
        public:
                EventHandler(T *parent,EventCallBack callback)
                {
                        m_pParent=parent;
                        m_pCallBack=callback;
                };
                void Call(Widget* sender)
                {
                        (m_pParent->*m_pCallBack)(sender);
                };
        };
        template<class T>
        class MouseEventHandler:public BaseEventHandler
        {
        public:
                typedef void (T::*MouseEventCallBack)(Widget* sender,int x,int y,DWORD buttonMask);

        protected:
                T             *m_pParent;
                MouseEventCallBack m_pCallBack; 
        public:
                MouseEventHandler(T *parent,MouseEventCallBack callback)
                {
                        m_pParent=parent;
                        m_pCallBack=callback;
                };
                void Call(Widget* sender,int x,int y,DWORD buttonMask)
                {
                        (m_pParent->*m_pCallBack)(sender,x,y,buttonMask);
                };
        };

        template<class T>
        class WindowSizeEventHandler:public BaseEventHandler
        {
        public:
                typedef void (T::*WindowSizeEventCallBack)(Widget* sender,int left,int top,int right,int bottom);

        protected:
                T             *m_pParent;
                WindowSizeEventCallBack m_pCallBack; 
        public:
                WindowSizeEventHandler(T *parent,WindowSizeEventCallBack callback)
                {
                        m_pParent=parent;
                        m_pCallBack=callback;
                };
                void Call(Widget* sender,int left,int top,int right, int bottom)
                {
                        (m_pParent->*m_pCallBack)(sender,left, top, right, bottom);
                };
        };
};

#endif

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