messagetarget.h

Last change: 2008-02-03 This is the source code of KCeasy。

/*
This file is part of KCeasy (http://www.kceasy.com)
Copyright (C) 2002-2004 Markus Kern <[e-mail]>

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
*/
//---------------------------------------------------------------------------
#ifndef MessageTargetH
#define MessageTargetH
//---------------------------------------------------------------------------
#include <classes.hpp>
//---------------------------------------------------------------------------

typedef void __fastcall (__closure *TMessageTargetHandler)(TMessage &Message);

class TMessageTarget
{
friend LRESULT CALLBACK GlobalWindowProc(HWND hwnd,UINT uMsg,WPARAM wParam,LPARAM lParam);
public:
    TMessageTarget(const char* WindowClass, const char* WindowName);
    ~TMessageTarget();

    void AddHandler(unsigned int MsgId, TMessageTargetHandler Handler);

    HWND GetWndHandle() { return WndHandle; }

private:
    class THandlerData
    {
    public:
        THandlerData(unsigned int MsgId, TMessageTargetHandler Handler)
        {
            this->MsgId = MsgId;
            this->Handler = Handler;
        }

        unsigned int MsgId;
        TMessageTargetHandler Handler;
    };

    TList* HandlerList;
    ATOM WndClassAtom;
    HWND WndHandle;

    bool WindowProc(HWND hWnd,UINT uMsg,WPARAM wParam,LPARAM lParam,LRESULT &Result);
};


#endif