IvfMfcApplication.h

//
// Copyright 1999-2006 by Structural Mechanics, Lund University.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems to "ivf@byggmek.lth.se".
//
//
// Written by Jonas Lindemann
//

#ifndef _CIvfMfcApplication_h_
#define _CIvfMfcApplication_h_

#include <afxwin.h>

#include <ivfdef/IvfPointer.h>

class CIvfMfcApplicationBase {
private:
        int m_idleProcessing;
public:
        virtual BOOL InitInstance()
        {
                m_idleProcessing = 0;
                return true;
        }

        void disableIdleProcessing()
        {
                if (m_idleProcessing>0)
                        m_idleProcessing--;
        }

        void enableIdleProcessing()
        {
                m_idleProcessing++;
        }

        bool isIdleProcessing()
        {
                return m_idleProcessing>0;
        }
};

template<class T>
class CIvfMfcApplication: public CIvfMfcApplicationBase, public CWinApp {
private:
        T* m_mfcWindow;
public:
        virtual BOOL InitInstance()
        {
                CWinApp::InitInstance();
                m_mfcWindow = new T(0,0,640,480);
                m_mfcWindow->setApplication(this);
                m_pMainWnd = m_mfcWindow;
                m_pMainWnd -> ShowWindow(m_nCmdShow);
                m_pMainWnd -> UpdateWindow();
                return true;
        }

        virtual int Run()
        {
                MSG             msg;
                BOOL    bRet;
                bool running = true;
                while (running)
                {
                        if (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE))
                        {
                                if ((bRet = GetMessage(&msg, NULL, 0, 0)) == 0)
                                        return 0;
                                else
                                {
                                        TranslateMessage(&msg);
                                        DispatchMessage(&msg);
                                }
                        }
                        else
                        {
                                if (isIdleProcessing())
                                {
                                        if (m_mfcWindow->isIdleProcessing())
                                                m_mfcWindow->doIdle();
                                }
                                else
                                {
                                        WaitMessage();
                                }
                        }
                }
                return 0;
        }
};
#endif

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