mltview.cpp

eCos1.31版

//####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 
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// 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