// options.cpp : implementation file
//
// This is a part of the Microsoft Foundation Classes C++ library.
// Copyright (C) 1992-1995 Microsoft Corporation
// All rights reserved.
//
// This source code is only intended as a supplement to the
// Microsoft Foundation Classes Reference and related
// electronic documentation provided with the library.
// See these sources for detailed information regarding the
// Microsoft Foundation Classes product.

#include "stdafx.h"
#include "wordpad.h"
#include "strings.h"

#ifdef _DEBUG
#undef THIS_FILE
static char BASED_CODE THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CDocOptions


void CDocOptions::SaveDockState(CDockState& ds, LPCTSTR lpszProfileName, LPCTSTR lpszLayout)
{
	CMemFile file;
	CArchive ar(&file, CArchive::store);
	ds.Serialize(ar);
	ar.Close();
	int nSize = file.GetLength();
	ASSERT(nSize < 4096);
	BYTE* p = new BYTE[nSize];
	file.SeekToBegin();
	file.Read(p, nSize);
	theApp.WriteProfileBinary(lpszProfileName, lpszLayout, p, nSize);
	delete [] p;
}

void CDocOptions::SaveOptions(LPCTSTR lpszProfileName)
{
	SaveDockState(m_ds1, lpszProfileName, szLayout1);
	SaveDockState(m_ds2, lpszProfileName, szLayout2);
	theApp.WriteProfileInt(lpszProfileName, szWrap, m_nWordWrap);
}

void CDocOptions::LoadDockState(CDockState& ds, LPCTSTR lpszProfileName, LPCTSTR lpszLayout)
{
	BYTE* p;
	UINT nLen = 0;
	if (theApp.GetProfileBinary(lpszProfileName, lpszLayout, &p, &nLen))
	{
		ASSERT(nLen < 4096);

      //
      // BUGBUG: If this value is not reasonable, then we have likely run into
      // a registry corruption problem with wordpad that seems to appear only once
      // every 2-3 months.  If the registry is corrupted, then we need to fix
      // it or wordpad will get into a weird state.
      //

      if (nLen >= 4096)
      {
          delete p ;

          HKEY hKeyApp = theApp.GetAppRegistryKey() ;

          if ((HKEY) 0 != hKeyApp)
          {
              RegDeleteKey(hKeyApp, lpszProfileName) ;
              RegCloseKey(hKeyApp) ;
          }
      }
      else
      {
		    CMemFile file;
		    file.Write(p, nLen);
		    file.SeekToBegin();
		    CArchive ar(&file, CArchive::load);
		    ds.Serialize(ar);
		    ar.Close();
		    delete p;
      }
	}
}

void CDocOptions::LoadOptions(LPCTSTR lpszProfileName)
{
	LoadDockState(m_ds1, lpszProfileName, szLayout1);
	LoadDockState(m_ds2, lpszProfileName, szLayout2);
	m_nWordWrap = theApp.GetProfileInt(lpszProfileName, szWrap, m_nDefWrap);
}

/////////////////////////////////////////////////////////////////////////////
// CUnit

const CUnit& CUnit::operator=(const CUnit& unit)
{
	m_nTPU = unit.m_nTPU;
	m_nSmallDiv = unit.m_nSmallDiv;
	m_nMediumDiv = unit.m_nMediumDiv;
	m_nLargeDiv = unit.m_nLargeDiv;
	m_nMinMove = unit.m_nMinMove;
	m_nAbbrevID = unit.m_nAbbrevID;
	m_bSpaceAbbrev = unit.m_bSpaceAbbrev;
	m_strAbbrev = unit.m_strAbbrev;
	return *this;
}

CUnit::CUnit(int nTPU, int nSmallDiv, int nMediumDiv, int nLargeDiv,
		int nMinMove, UINT nAbbrevID, BOOL bSpaceAbbrev)
{
	m_nTPU = nTPU;
	m_nSmallDiv = nSmallDiv;
	m_nMediumDiv = nMediumDiv;
	m_nLargeDiv = nLargeDiv;
	m_nMinMove = nMinMove;
	m_nAbbrevID = nAbbrevID;
	m_bSpaceAbbrev = bSpaceAbbrev;
}