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//####COPYRIGHTBEGIN####

//                                                                          

// ----------------------------------------------------------------------------

// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.

//

// This program is part of the eCos host tools.

//

// 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.

// 

// You should have received a copy of the GNU General Public License along with

// this program; if not, write to the Free Software Foundation, Inc., 

// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

//

// ----------------------------------------------------------------------------

//                                                                          

//####COPYRIGHTEND####

// MLTView.cpp: implementation of the CMLTView class.

//

//////////////////////////////////////////////////////////////////////

#include "stdafx.h"

#ifndef PLUGIN

#include "BCMenu.h"

#endif

#include "ConfigtoolDoc.h"

#include "MLTView.h"

#include "ConfigTool.h"

#include "CTUtils.h"

#include "resource.h"

#ifdef _DEBUG

#define new DEBUG_NEW

#undef THIS_FILE

static char THIS_FILE[] = __FILE__;

#endif

using namespace std;

//////////////////////////////////////////////////////////////////////

// Construction/Destruction

//////////////////////////////////////////////////////////////////////

IMPLEMENT_DYNCREATE(CMLTView, CScrollView)

BEGIN_MESSAGE_MAP(CMLTView, CScrollView)

  //{{AFX_MSG_MAP(CMLTView)

    ON_WM_LBUTTONDOWN()

    ON_WM_LBUTTONDBLCLK()

    ON_WM_SIZE()

    ON_WM_ERASEBKGND()

    ON_WM_MOUSEMOVE()

    ON_COMMAND(ID_EDIT_NEW_REGION, OnMLTNewRegion)

    ON_COMMAND(ID_EDIT_NEW_SECTION, OnMLTNewSection)

    ON_COMMAND(ID_EDIT_DELETE_SECTION, OnMLTDelete)

    ON_COMMAND(ID_EDIT_PROPERTIES, OnMLTProperties)

    ON_UPDATE_COMMAND_UI(ID_EDIT_NEW_SECTION, OnUpdateMLTNewSection)

    ON_UPDATE_COMMAND_UI(ID_EDIT_DELETE_SECTION, OnUpdateMLTDelete)

    ON_UPDATE_COMMAND_UI(ID_EDIT_PROPERTIES, OnUpdateMLTProperties)

    ON_WM_CONTEXTMENU()

    ON_COMMAND(ID_POPUP_PROPERTIES, OnPopupProperties)

    ON_WM_RBUTTONDOWN()

        ON_WM_KEYDOWN()

        ON_WM_HELPINFO()

        ON_WM_MENUCHAR()

        //}}AFX_MSG_MAP

  ON_NOTIFY_EX_RANGE(TTN_NEEDTEXTW, 0, 0xFFFF, OnToolTipText)

        ON_NOTIFY_EX_RANGE(TTN_NEEDTEXTA, 0, 0xFFFF, OnToolTipText)

  // Standard printing commands

  ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)

  ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)

  ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)

END_MESSAGE_MAP()

CMLTView::CMLTView()

{

  m_uViewWidth = 0;

  m_uUnitCountMax = 0;

  CConfigTool::SetMLTView(this);

}

CMLTView::~CMLTView()

{

  CConfigTool::SetMLTView(0);

  for(POSITION pos = m_arstrTooltipRects.GetStartPosition(); pos != NULL; ){

    CRect *pRect;

    CString strName;

    m_arstrTooltipRects.GetNextAssoc( pos, strName, (void *&)pRect );

    delete pRect;

  }

}

/////////////////////////////////////////////////////////////////////////////

// CMLTView drawing

#define VERT_BORDER 30 /* the vertical border at the top/bottom of the client area */

#define HORIZ_BORDER 30 /* the horizontal border at the left/right of the client area */

#define BAR_HEIGHT 18 /* the height of the memory section caption bar */

#define MAP_HEIGHT 66 /* the height of each memory section rectangle (including caption bar) */

#define REGION_SPACING 115 /* the vertical offset between successive memory regions */

#define ADDRESS_TEXT_SPACE 0.9 /* use 90% of the section width to draw the address */

#define EXTERNAL_TEXT_BORDER 5 /* spacing between external text and border of region */

#define ADDRESS_FORMAT _T("%08X") /* draw memory addresses in hex format */

#define UNITS_PER_SECTION 3 /* memory section width in units, unused sections are 1 unit wide */

#define UNIT_WIDTH_MIN 27 /* minimum width of memory section unit before horizontal scrolling enabled */

#define TICK_HEIGHT 4 /* the height of the tick marks on the memory sections and regions */

#define DISPLAY_MODE 1 /* 1 == const unit width for all regions */

/* 2 == const region width for all regions */

void CMLTView::OnDraw(CDC* pDC)

{

  CConfigToolDoc* pDoc = CConfigTool::GetConfigToolDoc();

  if (pDoc == NULL) // no document so nothing to draw

    return;

  // clear the lists of region and section rectangles used for hit testing

  listRegionRect.RemoveAll ();

  listSectionRect.RemoveAll ();

  // setup background mode

  int nOldBkMode = pDC->SetBkMode (TRANSPARENT);

  // setup font

  CFont fntName;

  if (!fntName.CreatePointFont (80, _T("MS Sans Serif"), pDC))

    return;

  CFont * pOldFont = pDC->SelectObject (&fntName);

  // determine max unit count for any region

  mem_map * pMemoryMap = &CConfigTool::GetConfigToolDoc()->MemoryMap;

  // calculate the unit scaling for DISPLAY_MODE 1

  UINT uPixelsPerUnit = UNIT_WIDTH_MIN;

  RECT rectClientRect;

  if (m_uUnitCountMax != 0) // if there is something to draw

  {

    GetClientRect (&rectClientRect);

    uPixelsPerUnit = __max ((m_uClientWidth - HORIZ_BORDER * 2) / m_uUnitCountMax, UNIT_WIDTH_MIN);

    m_uViewWidth = uPixelsPerUnit * m_uUnitCountMax + HORIZ_BORDER * 2;

  }

  // draw the regions

  UINT uRegion = 0;

  UINT uUnitCount;

  list <mem_region>::iterator region;

  for (region = pMemoryMap->region_list.begin (); region != pMemoryMap->region_list.end (); ++region)

  {

    uUnitCount = 0;

    for (list <mem_section_view>::iterator section_view = region->section_view_list.begin (); section_view != region->section_view_list.end (); ++section_view)

      uUnitCount += (section_view->section == NULL ? 1 : UNITS_PER_SECTION);

    if (DISPLAY_MODE == 1)

      DrawRegion (pDC, uRegion++, uUnitCount, uPixelsPerUnit, region);

    else // DISPLAY_MODE == 2

      DrawRegion (pDC, uRegion++, uUnitCount, (rectClientRect.right - HORIZ_BORDER * 2) / uUnitCount, region);

  }

  pDC->SelectObject (pOldFont);

  pDC->SetBkMode (nOldBkMode);

}

void CMLTView::DrawRegion (CDC* pDC, UINT uRegion, UINT uUnitCount, UINT uPixelsPerUnit, list <mem_region>::iterator region)

{

  BOOL bDrawFocusRect = FALSE;

  CRect rectAddress;

  CString strAddress;

  // setup the drawing objects

  CBrush brshUnusedSection;

  if (!brshUnusedSection.CreateHatchBrush (HS_BDIAGONAL, RGB (128, 128, 128)))

    return;

  CBrush brshUsedSection;

  if (!brshUsedSection.CreateSolidBrush (GetSysColor (COLOR_WINDOW)))

    return;

  CBrush brshInitialSectionBar;

  if (!brshInitialSectionBar.CreateSolidBrush (GetSysColor (COLOR_INACTIVECAPTION)))

    return;

  CBrush brshFixedSectionBar;

  if (!brshFixedSectionBar.CreateSolidBrush (GetSysColor (COLOR_ACTIVECAPTION)))

    return;

  CBrush brshFinalSectionBar;

  if (!brshFinalSectionBar.CreateSolidBrush (GetSysColor (COLOR_ACTIVECAPTION)))

    return;

  CPen penBorder;

  if (!penBorder.CreatePen (PS_SOLID, 1, GetSysColor (COLOR_WINDOWTEXT)))

    return;

  CPen penSelected;

  if (!penSelected.CreatePen (PS_SOLID, 2, GetSysColor (COLOR_WINDOWTEXT)))

    return;

  // select the border pen object

  CPen * pOldPen = pDC->SelectObject (&penBorder);

  // calculate the region rectangle

  REGIONRECT srRegion;

  srRegion.Rect.SetRect (HORIZ_BORDER, VERT_BORDER + REGION_SPACING * uRegion, HORIZ_BORDER + uUnitCount * uPixelsPerUnit + 1, VERT_BORDER + REGION_SPACING * uRegion + MAP_HEIGHT + 1);

  srRegion.Region = region;

  listRegionRect.AddTail (srRegion);

  // draw the region

  CPoint pointOrigin (srRegion.Rect.left, srRegion.Rect.top);

  pDC->LPtoDP (&pointOrigin);

  pointOrigin.x %= 8;

  pointOrigin.y %= 8;

  pDC->SetBrushOrg (pointOrigin);

  CBrush * pOldBrush = pDC->SelectObject (&brshUnusedSection);

  pDC->Rectangle (srRegion.Rect);

  /*

  pDC->MoveTo (srRegion.Rect.left, srRegion.Rect.bottom - 1); // draw tick

  pDC->LineTo (srRegion.Rect.left, srRegion.Rect.bottom + TICK_HEIGHT); // draw tick

  */

  if (region == m_riSelectedRegion)

  {

    bDrawFocusRect = TRUE;

    m_rectSelectedItem = srRegion.Rect;

  }

  // draw the region label

  CRect rectRegionLabel (HORIZ_BORDER, VERT_BORDER + REGION_SPACING * uRegion - EXTERNAL_TEXT_BORDER - 20, m_uViewWidth - HORIZ_BORDER /*HORIZ_BORDER + uUnitCount * uPixelsPerUnit + 1*/, VERT_BORDER + REGION_SPACING * uRegion - EXTERNAL_TEXT_BORDER);

  CString strRegionLabel;

  strRegionLabel.Format (_T("%s (%08X-%08X)%s"), CString(region->name.c_str ()), region->address, region->address + region->size - 1, ((region->type == read_only) ? _T(" read only") : _T("")));

  pDC->DrawText (strRegionLabel, -1, rectRegionLabel, DT_BOTTOM | DT_SINGLELINE);

  // draw the start address of the region

  /*

  rectAddress.SetRect (HORIZ_BORDER, VERT_BORDER + REGION_SPACING * uRegion + MAP_HEIGHT + EXTERNAL_TEXT_BORDER, HORIZ_BORDER + ADDRESS_TEXT_SPACE * UNITS_PER_SECTION * uPixelsPerUnit, VERT_BORDER + REGION_SPACING * uRegion + MAP_HEIGHT + EXTERNAL_TEXT_BORDER + 30);

  strAddress.Format (ADDRESS_FORMAT, region->address);

  pDC->DrawText (strAddress, -1, rectAddress, DT_LEFT | DT_SINGLELINE);

  */

  // draw the end address of the region

  /*

  rectAddress.SetRect (HORIZ_BORDER + (uUnitCount - ADDRESS_TEXT_SPACE) * uPixelsPerUnit, VERT_BORDER + REGION_SPACING * uRegion + MAP_HEIGHT + EXTERNAL_TEXT_BORDER, HORIZ_BORDER + (uUnitCount + ADDRESS_TEXT_SPACE) * uPixelsPerUnit, VERT_BORDER + REGION_SPACING * uRegion + MAP_HEIGHT + EXTERNAL_TEXT_BORDER + 30);

  strAddress.Format (ADDRESS_FORMAT, region->address + region->size);

  pDC->DrawText (strAddress, -1, rectAddress, DT_CENTER | DT_SINGLELINE);

  */

  // draw the sections within the region

  UINT uSectionUnitCount = 0;

  CRect rectBar;

  SECTIONRECT srSection;

  for (list <mem_section_view>::iterator section_view = region->section_view_list.begin (); section_view != region->section_view_list.end (); ++section_view)

  {

    if (section_view->section != NULL) // the section is used

    {

      // draw the section

      pDC->SelectObject (brshUsedSection);

      srSection.Rect.SetRect (HORIZ_BORDER + uSectionUnitCount * uPixelsPerUnit, VERT_BORDER + REGION_SPACING * uRegion, HORIZ_BORDER + (uSectionUnitCount + UNITS_PER_SECTION) * uPixelsPerUnit + 1, VERT_BORDER + REGION_SPACING * uRegion + MAP_HEIGHT + 1);

      srSection.SectionView = section_view;

      listSectionRect.AddTail (srSection);

      pDC->Rectangle (srSection.Rect);

      if (section_view == m_sviSelectedSectionView)

      {

        bDrawFocusRect = TRUE;

        m_rectSelectedItem = srSection.Rect;

      }

      // draw text within the section

      CString strSection, strSectionLine;

      if ((section_view->section_location != initial_location) && (section_view->section->alignment > 1))

      {

        strSectionLine.Format (_T("align %lX\n"), section_view->section->alignment);

        strSection += strSectionLine;

      }

      if (section_view->section->size > 0)

      {

        strSectionLine.Format (_T("size %lX\n"), section_view->section->size);

        strSection += strSectionLine;

      }

      if (section_view->section_location == final_location)

      {

        strSectionLine.Format (_T("relocated\n"));

        strSection += strSectionLine;

      }

      pDC->DrawText (strSection, -1, srSection.Rect - (LPCRECT) CRect (EXTERNAL_TEXT_BORDER, EXTERNAL_TEXT_BORDER + BAR_HEIGHT, EXTERNAL_TEXT_BORDER, EXTERNAL_TEXT_BORDER), DT_LEFT);

      // select caption bar colour according to type of section

      if (section_view->section_location == initial_location)

      {

        pDC->SetTextColor (GetSysColor (COLOR_INACTIVECAPTIONTEXT));

        pDC->SelectObject (&brshInitialSectionBar);

      }

      else

      {

        pDC->SetTextColor (GetSysColor (COLOR_CAPTIONTEXT));

        pDC->SelectObject (&brshFinalSectionBar);

      }

      // draw the caption bar

      rectBar.SetRect (HORIZ_BORDER + uSectionUnitCount * uPixelsPerUnit, VERT_BORDER + REGION_SPACING * uRegion, HORIZ_BORDER + (uSectionUnitCount + UNITS_PER_SECTION) * uPixelsPerUnit + 1, VERT_BORDER + REGION_SPACING * uRegion + BAR_HEIGHT + 1);

      pDC->Rectangle (rectBar);

      // draw the section name within the caption bar

      CString strName(section_view->section->name.c_str ());

      CRect *pRect=NULL;

      m_arstrTooltipRects.Lookup(strName,(void *&)pRect);

      UINT format;

      if(pDC->GetTextExtent(strName).cx>rectBar.Width()-2*EXTERNAL_TEXT_BORDER){

        format=DT_LEFT;

        if(pRect){

          pRect->CopyRect(rectBar);

        } else {

          pRect=new CRect;

          m_arstrTooltipRects.SetAt(strName,pRect);

        }

        // Replace final three characters of name with an elipsis

        int nLength=1+max(1,strName.GetLength()-3);

        do {

          --nLength;

          strName=strName.Left(nLength)+_T("...");

        } while(nLength>1 && pDC->GetTextExtent(strName).cx>rectBar.Width()-2*EXTERNAL_TEXT_BORDER);

        rectBar.left+=EXTERNAL_TEXT_BORDER;

        rectBar.right-=EXTERNAL_TEXT_BORDER;

      } else {

        format=DT_CENTER;

        if (pRect) {

          m_arstrTooltipRects.RemoveKey(strName);

        }

      }

      pDC->DrawText (strName, -1, rectBar, format | DT_VCENTER | DT_SINGLELINE);

      pDC->SetTextColor (GetSysColor (COLOR_WINDOWTEXT));

      // find the mem_section item describing the current section_view item

      list <mem_section>::iterator MemorySection = section_view->section;

      // draw the section address if appropriate

      if ((section_view->section_location == initial_location))

      {

        if (MemorySection->initial_location->anchor == absolute)

        {

          pDC->MoveTo (srSection.Rect.left, srSection.Rect.bottom - 1); // draw tick

          pDC->LineTo (srSection.Rect.left, srSection.Rect.bottom + TICK_HEIGHT); // draw tick

          rectAddress.SetRect (HORIZ_BORDER + uSectionUnitCount * uPixelsPerUnit, VERT_BORDER + REGION_SPACING * uRegion + MAP_HEIGHT + EXTERNAL_TEXT_BORDER, (int) (HORIZ_BORDER + (uSectionUnitCount + ADDRESS_TEXT_SPACE * UNITS_PER_SECTION) * uPixelsPerUnit), VERT_BORDER + REGION_SPACING * uRegion + MAP_HEIGHT + EXTERNAL_TEXT_BORDER + 30);

          strAddress.Format (ADDRESS_FORMAT, MemorySection->initial_location->address);

          pDC->DrawText (strAddress, -1, rectAddress, DT_LEFT | DT_SINGLELINE);

          /*

          if (MemorySection->size > 0) // the end address can be calculated

          {

          rectAddress.SetRect (HORIZ_BORDER + (uSectionUnitCount + UNITS_PER_SECTION - ADDRESS_TEXT_SPACE) * uPixelsPerUnit, VERT_BORDER + REGION_SPACING * uRegion + MAP_HEIGHT + EXTERNAL_TEXT_BORDER, HORIZ_BORDER + (uSectionUnitCount + UNITS_PER_SECTION + ADDRESS_TEXT_SPACE) * uPixelsPerUnit, VERT_BORDER + REGION_SPACING * uRegion + MAP_HEIGHT + EXTERNAL_TEXT_BORDER + 30);

          strAddress.Format (ADDRESS_FORMAT, MemorySection->initial_location->address + MemorySection->size);

          pDC->DrawText (strAddress, -1, rectAddress, DT_CENTER | DT_SINGLELINE);

          }

          */

        }

      }

      else if ((section_view->section_location == final_location) || (section_view->section_location == fixed_location))

      {

        if (MemorySection->final_location->anchor == absolute)

        {

          pDC->MoveTo (srSection.Rect.left, srSection.Rect.bottom - 1); // draw tick

          pDC->LineTo (srSection.Rect.left, srSection.Rect.bottom + TICK_HEIGHT); // draw tick

          rectAddress.SetRect (HORIZ_BORDER + uSectionUnitCount * uPixelsPerUnit, VERT_BORDER + REGION_SPACING * uRegion + MAP_HEIGHT + EXTERNAL_TEXT_BORDER, (int) (HORIZ_BORDER + (uSectionUnitCount + ADDRESS_TEXT_SPACE * UNITS_PER_SECTION) * uPixelsPerUnit), VERT_BORDER + REGION_SPACING * uRegion + MAP_HEIGHT + EXTERNAL_TEXT_BORDER + 30);

          strAddress.Format (ADDRESS_FORMAT, MemorySection->final_location->address);

          pDC->DrawText (strAddress, -1, rectAddress, DT_LEFT | DT_SINGLELINE);

          /*

          if (MemorySection->size > 0) // the end address can be calculated

          {

          rectAddress.SetRect (HORIZ_BORDER + (uSectionUnitCount + UNITS_PER_SECTION - ADDRESS_TEXT_SPACE) * uPixelsPerUnit, VERT_BORDER + REGION_SPACING * uRegion + MAP_HEIGHT + EXTERNAL_TEXT_BORDER, HORIZ_BORDER + (uSectionUnitCount + UNITS_PER_SECTION + ADDRESS_TEXT_SPACE) * uPixelsPerUnit, VERT_BORDER + REGION_SPACING * uRegion + MAP_HEIGHT + EXTERNAL_TEXT_BORDER + 30);

          strAddress.Format (ADDRESS_FORMAT, MemorySection->final_location->address + MemorySection->size);

          pDC->DrawText (strAddress, -1, rectAddress, DT_CENTER | DT_SINGLELINE);

          }

          */

        }

      }

      uSectionUnitCount += UNITS_PER_SECTION;

    }

    else

    {

      uSectionUnitCount++; // unused sections occupy a single unit

    }

  }

  // draw the focus rectangle around the selected object (if any)

  if (bDrawFocusRect)

    pDC->DrawFocusRect (m_rectSelectedItem + CRect (1, 1, 1, 1));

  // restore previous drawing objects

  pDC->SelectObject (pOldBrush);

  pDC->SelectObject (pOldPen);

}

SECTIONRECT * CMLTView::SectionHitTest (CPoint pntTest)

{

  for (POSITION posSection = listSectionRect.GetHeadPosition (); posSection != NULL; listSectionRect.GetNext (posSection))

  {

    if (listSectionRect.GetAt (posSection).Rect.PtInRect (pntTest))

      return & listSectionRect.GetAt (posSection);

  }

  return NULL;

}

REGIONRECT * CMLTView::RegionHitTest (CPoint pntTest)

{

  for (POSITION posRegion = listRegionRect.GetHeadPosition (); posRegion != NULL; listRegionRect.GetNext (posRegion))

  {

    CRect rectRegion = listRegionRect.GetAt (posRegion).Rect +

      CRect (EXTERNAL_TEXT_BORDER + 20, EXTERNAL_TEXT_BORDER + 20, EXTERNAL_TEXT_BORDER + 20, EXTERNAL_TEXT_BORDER + 20); // extended rectangle to allow clicking on region label

    if (rectRegion.PtInRect (pntTest))

      return & listRegionRect.GetAt (posRegion);

  }

  return NULL;

}

/////////////////////////////////////////////////////////////////////////////

// CMLTView printing

BOOL CMLTView::OnPreparePrinting(CPrintInfo* pInfo)

{

  // default preparation

  return DoPreparePrinting(pInfo);

}

void CMLTView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)

{

  // TODO: add extra initialization before printing

}

void CMLTView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)

{

  // TODO: add cleanup after printing

}

/////////////////////////////////////////////////////////////////////////////

// CMLTView diagnostics

#ifdef _DEBUG

void CMLTView::AssertValid() const

{

  CView::AssertValid();

}

void CMLTView::Dump(CDumpContext& dc) const

{

  CView::Dump(dc);

}

#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////

// CMLTView message handlers

void CMLTView::OnLButtonDown(UINT nFlags, CPoint point)

{

  if (CConfigTool::GetConfigToolDoc() == NULL) // nothing to do

    return;

  list <mem_section_view>::iterator sviOldSelectedSectionView = m_sviSelectedSectionView;

  list <mem_region>::iterator riOldSelectedRegion = m_riSelectedRegion;

  CRect rectOldSelectedItem = m_rectSelectedItem;

  CConfigTool::GetConfigToolDoc()->strSelectedRegion = _T("");

  CConfigTool::GetConfigToolDoc()->strSelectedSection = _T("");

  SECTIONRECT * psrSection = SectionHitTest (point + GetScrollPosition ());

  if (psrSection != NULL) // a section was clicked

  {

    m_sviSelectedSectionView = psrSection->SectionView;

    m_rectSelectedItem = psrSection->Rect;

    m_riSelectedRegion = NULL;

    CConfigTool::GetConfigToolDoc()->strSelectedSection = m_sviSelectedSectionView->section->name.c_str ();

  }

  else // no section was clicked, test for regions

  {

    REGIONRECT * prrRegion = RegionHitTest (point + GetScrollPosition ());

    if (prrRegion != NULL) // a region was clicked, but not a section

    {

      m_riSelectedRegion = prrRegion->Region;

      m_rectSelectedItem = prrRegion->Rect;

      m_sviSelectedSectionView = NULL;

      CConfigTool::GetConfigToolDoc()->strSelectedRegion = m_riSelectedRegion->name.c_str ();

    }

  }

  // redraw the focus rectangle if the selection has changed

  if ((m_sviSelectedSectionView != sviOldSelectedSectionView) || (m_riSelectedRegion != riOldSelectedRegion))

  {

    //          CDC * pDC = GetDC ();

    if ((sviOldSelectedSectionView != NULL) || (riOldSelectedRegion != NULL))

      //                        pDC->DrawFocusRect (rectOldSelectedItem + CRect (1, 1, 1, 1) - GetScrollPosition ());

      InvalidateRect (rectOldSelectedItem + CRect (1, 1, 1, 1) - GetScrollPosition ()); // paint over the old focus rectangle

    if ((m_sviSelectedSectionView != NULL) || (m_riSelectedRegion != NULL))

      //                        pDC->DrawFocusRect (m_rectSelectedItem + CRect (1, 1, 1, 1) - GetScrollPosition ());

      InvalidateRect (m_rectSelectedItem + CRect (1, 1, 1, 1) - GetScrollPosition ()); // paint the new focus rectangle

  }

  // perform default processing

  CView::OnLButtonDown(nFlags, point);

}

void CMLTView::OnLButtonDblClk(UINT nFlags, CPoint point)

{

  if (CConfigTool::GetConfigToolDoc() != NULL)

    CConfigTool::GetConfigToolDoc()->OnMLTProperties ();

  CView::OnLButtonDblClk(nFlags, point);

}

void CMLTView::OnUpdate(CView* pSender, LPARAM lHint, CObject* pHint)

{

  if ((lHint != 0) && (pHint != NULL) && (lHint != CConfigToolDoc::MemLayoutChanged))

    return; // no need to invalidate the view

  m_arstrTooltipRects.RemoveAll();

  CalcUnitCountMax (); // recalculate the total view width since the section count may have changed

  if (m_uUnitCountMax == 0 || (m_uClientWidth < HORIZ_BORDER * 2)) // there is nothing to draw

    m_uViewWidth = 0;

  else // allow horizontal scrolling when the unit width reduces to UNIT_WIDTH_MIN

    m_uViewWidth = __max ((m_uClientWidth - HORIZ_BORDER * 2) / m_uUnitCountMax, UNIT_WIDTH_MIN) * m_uUnitCountMax + HORIZ_BORDER * 2;

  SIZE sizeTotal;

  sizeTotal.cx = __max (m_uViewWidth, m_uClientWidth);

  sizeTotal.cy = CConfigTool::GetConfigToolDoc()->MemoryMap.region_list.size () * REGION_SPACING + EXTERNAL_TEXT_BORDER * 2;

  SetScrollSizes (MM_TEXT, sizeTotal);

  CScrollView::OnUpdate (pSender, lHint, pHint);

}

void CMLTView::OnSize(UINT nType, int cx, int cy)

{

  CScrollView::OnSize(nType, cx, cy);

  m_uClientWidth = cx;

  if (m_uUnitCountMax == 0) // there is nothing to draw

    m_uViewWidth = 0;

  else // allow horizontal scrolling when the unit width reduces to UNIT_WIDTH_MIN

    m_uViewWidth = __max ((cx - HORIZ_BORDER * 2) / m_uUnitCountMax, UNIT_WIDTH_MIN) * m_uUnitCountMax + HORIZ_BORDER * 2;

  SIZE sizeTotal;

  sizeTotal.cx = __max (m_uViewWidth, m_uClientWidth);

  if (CConfigTool::GetConfigToolDoc() == NULL)

    sizeTotal.cy = 0;

  else

    sizeTotal.cy = CConfigTool::GetConfigToolDoc()->MemoryMap.region_list.size () * REGION_SPACING + EXTERNAL_TEXT_BORDER * 2;

  SetScrollSizes (MM_TEXT, sizeTotal);

}

void CMLTView::CalcUnitCountMax ()

{

  UINT uUnitCountMax = 0;

  UINT uUnitCount;

  list <mem_region>::iterator region;

  mem_map * pMemoryMap = & (CConfigTool::GetConfigToolDoc()->MemoryMap);

  for (region = pMemoryMap->region_list.begin (); region != pMemoryMap->region_list.end (); ++region)

  {

    uUnitCount = 0;

    for (list <mem_section_view>::iterator section_view = region->section_view_list.begin (); section_view != region->section_view_list.end (); ++section_view)

      uUnitCount += (section_view->section == NULL ? 1 : UNITS_PER_SECTION);

    if (uUnitCount > uUnitCountMax)

      uUnitCountMax = uUnitCount;

  }

  m_uUnitCountMax = uUnitCountMax;

}

BOOL CMLTView::OnEraseBkgnd(CDC* pDC)

{

  // Work around bug apparently caused by SlickEdit

  CRect rcClient;

  pDC->GetClipBox(rcClient);

  pDC->FillSolidRect(rcClient,GetSysColor(COLOR_WINDOW));

  return TRUE;//return CScrollView::OnEraseBkgnd(pDC);

}

BOOL CMLTView::OnToolTipText(UINT id, NMHDR* pNMHDR, LRESULT*pResult)

{

        // need to handle both ANSI and UNICODE versions of the message

        TOOLTIPTEXTA* pTTTA = (TOOLTIPTEXTA*)pNMHDR;

        TOOLTIPTEXTW* pTTTW = (TOOLTIPTEXTW*)pNMHDR;

        id=pNMHDR->idFrom;

  if(id){

    for(POSITION pos = m_arstrTooltipRects.GetStartPosition(); pos != NULL; ){

      CRect *pRect;

      CString strTipText;

      m_arstrTooltipRects.GetNextAssoc( pos, strTipText, (void *&)pRect );

      if((UINT)pRect==id){

    #ifndef _UNICODE

              if (pNMHDR->code == TTN_NEEDTEXTA)

                      lstrcpyn(pTTTA->szText, strTipText, sizeof pTTTA->szText/sizeof TCHAR - 1);

              else

                      _mbstowcsz(pTTTW->szText, strTipText, sizeof pTTTW->szText/sizeof TCHAR - 1);