mdidialog.cpp

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// MDIDialog.cpp : implementation file
//

#include "stdafx.h"
//#include "Unp70.h"
#include "MDIDialog.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

////////////////////////////////////////////////////////////////////////////
//
// CMDIDialog dialog

CMDIDialog::CMDIDialog(LPCTSTR lpszTemplateName, CWnd* pParent) : CDialog(lpszTemplateName, pParent)
{
  bInserted = false;
}

CMDIDialog::CMDIDialog(UINT nIDTemplate, CWnd* pParent) : CDialog(nIDTemplate, pParent)
{
  bInserted = false;
}



BEGIN_MESSAGE_MAP(CMDIDialog, CDialog)
        //{{AFX_MSG_MAP(CMDIDialog)
        ON_WM_DESTROY()
        //}}AFX_MSG_MAP
END_MESSAGE_MAP()

////////////////////////////////////////////////////////////////////////////
//
// CMDIDialog message handlers

void CMDIDialog::OnCancel()
{
  if ( bInserted )
     DestroyWindow();
  else
     CDialog::OnCancel();
}

void CMDIDialog::OnOK()
{
  if ( bInserted )
     DestroyWindow();
  else
     CDialog::OnOK();
}

void CMDIDialog::OnDestroy()
{
  CDialog::OnDestroy();
  if ( bInserted )
     delete(this);
}

void CMDIDialog::DoInsert()
{
CMDIFrameWnd* pWnd = (CMDIFrameWnd*) AfxGetMainWnd();
CWnd* pChildWnd    = FromHandle(pWnd -> m_hWndMDIClient);

  bInserted = true;
  Create(m_lpszTemplateName, NULL);

  SetParent(pChildWnd);

  if ( GetStyle() & DS_CENTER )
     CenterWindow();

  SetFocus();
  ShowWindow(SW_SHOW);
}

void CMDIDialog::CenterWindow(CWnd* pAlternateOwner)
{
CWnd* pWnd = AfxGetMainWnd();
CRect Rect;
int nX, nY;

  if ( bInserted )
     if ( pAlternateOwner != NULL )
        CDialog::CenterWindow(pAlternateOwner);
     else
        {
        pWnd = AfxGetMainWnd();

        pWnd -> GetClientRect(&Rect);
        nX = Rect.Width() / 2;
        nY = Rect.Height() / 2;

        GetWindowRect(&Rect);
        nX -= Rect.Width() / 2;
        if ( nX < 0 ) nX = 0;
        nY -= Rect.Height() / 2;
        if ( nY < 0 ) nY = 0;

        SetWindowPos(NULL, nX, nY, 0, 0, SWP_NOSIZE);
        }
  else
     CDialog::CenterWindow(pAlternateOwner);
}