cWindowHook.h

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//
//
#ifndef _INC_cWindowHook_H
#define _INC_cWindowHook_H
#ifndef NO_PRAGMA_ONCE
#pragma once
#endif
 
#include "../WinAPI/WinTypes.h"
#include "GrayCore/include/cArraySort.h"
 
#ifdef _WIN32
namespace GrayLib
{
        class GRAYLIB_LINK cWindowHook
        {
 
        private:
                static cArraySortPtrValue<cWindowHook, HWND> sm_aMap;   // assume we can't use the GWL_USERDATA.
 
                HWND m_hWndHook;                
                WNDPROC m_pOldProc;             
 
        private:
                static LRESULT WINAPI WndProc(HWND hWnd, WINMSG_t message, WPARAM wParam, LPARAM lParam);
 
        protected:
                void AttachHook(HWND hWnd);
                void DetachHook();
 
                virtual LRESULT HookWindowProc(WINMSG_t message, WPARAM wParam, LPARAM lParam);
 
        public:
                cWindowHook();
                virtual ~cWindowHook();
 
                HWND get_SortValue() const noexcept     // for sm_aMap
                {
                        return m_hWndHook;
                }
        };
};
#endif
#endif