59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
#ifndef _COMMON_CALLBACK_HPP_
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#define _COMMON_CALLBACK_HPP_
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#ifndef _COMMON_CALLBACKDATA_HPP_
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#include <common/cbdata.hpp>
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#endif
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#ifndef _COMMON_PURECALLBACK_HPP_
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#include <common/pcallbck.hpp>
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#endif
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#ifndef _COMMON_CALLBACKPOINTER_HPP_
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#include <common/cbptr.hpp>
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#endif
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#if defined(_MSC_VER)
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#pragma warning(disable:4355)
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#endif
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template <class T>
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class Callback : public PureCallback
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{
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public:
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typedef CallbackData::ReturnType (T::*PFNMETHOD)(CallbackData &callbackData);
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Callback(void);
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Callback(const Callback<T> &someCallback);
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Callback(T *lpObject,PFNMETHOD lpMethod);
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virtual ~Callback();
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void setObject(T *lpObject);
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void setMethod(PFNMETHOD lpMethod);
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void setCallback(T *lpObject,PFNMETHOD lpMethod);
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WORD operator==(const Callback<T> &someCallback)const;
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void operator=(const Callback<T> &someCallback);
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CallbackData::ReturnType operator*(CallbackData &someCallbackData);
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private:
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T *mlpObject;
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CallbackData::ReturnType (T::*mlpMethod)(CallbackData &someCallbackData);
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};
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#ifndef _MSC_VER
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template <class T>
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inline
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CallbackData::ReturnType Callback<T>::operator*(CallbackData &someCallbackData)
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{
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if((!mlpObject)||(!mlpMethod))return (CallbackData::ReturnType)0;
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return (mlpObject->*mlpMethod)(someCallbackData);
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}
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#else // the rocket scientists at microsoft have problems compiling the preceeding, must do the following...
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template <class T>
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inline
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CallbackData::ReturnType Callback<T>::operator*(CallbackData &someCallbackData)
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{
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CallbackData::ReturnType (T::*lpMethod)(CallbackData &someCallbackData)=0;
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if((lpMethod==mlpMethod)||!mlpObject)return (CallbackData::ReturnType)0;
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return (mlpObject->*mlpMethod)(someCallbackData);
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}
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#endif
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#if defined(_MSC_VER) // the rocket scientists at microsoft have trouble expanding templates
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#include <common/callback.tpp>
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#endif
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#endif
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