mltwin.cpp

ecos实时嵌入式操作系统

//####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####
// mltwin.cpp :
//
//===========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):   julians
// Contact(s):  julians
// Date:        2000/09/27
// Version:     $Id: mltwin.cpp,v 1.2 2001/03/22 11:27:28 julians Exp $
// Purpose:
// Description: Implementation file for ecMemoryLayoutWindow
// Requires:
// Provides:
// See also:
// Known bugs:
// Usage:
//
//####DESCRIPTIONEND####
//
//===========================================================================

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#ifdef __GNUG__
    #pragma implementation "mltwin.h"
#endif

// Includes other headers for precompiled compilation
#include "ecpch.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#include "mltwin.h"
#include "sectiondlg.h"

#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 */


/*
 * ecMemoryLayoutWindow
 */

IMPLEMENT_CLASS(ecMemoryLayoutWindow, wxScrolledWindow)

BEGIN_EVENT_TABLE(ecMemoryLayoutWindow, wxScrolledWindow)
//    EVT_PAINT(ecMemoryLayoutWindow::OnPaint)
    EVT_MOUSE_EVENTS(ecMemoryLayoutWindow::OnMouseEvent)
    EVT_PAINT(ecMemoryLayoutWindow::OnPaint)
    EVT_SIZE(ecMemoryLayoutWindow::OnSize)
    EVT_MENU(ecID_TREE_PROPERTIES, ecMemoryLayoutWindow::OnProperties)
END_EVENT_TABLE()

ecMemoryLayoutWindow::ecMemoryLayoutWindow(wxWindow* parent, wxWindowID id, const wxPoint& pt,
        const wxSize& sz, long style):
        wxScrolledWindow(parent, id, pt, sz, style)
{
    m_uViewWidth = 0;
    m_uClientWidth = 0;
    m_uUnitCountMax = 0;

    SetBackgroundColour(* wxWHITE);

    m_propertiesMenu = new wxMenu;

    m_propertiesMenu->Append(ecID_WHATS_THIS, _("&What's This?"));
    m_propertiesMenu->AppendSeparator();
    m_propertiesMenu->Append(ecID_TREE_PROPERTIES, _("P&roperties"));        
}

ecMemoryLayoutWindow::~ecMemoryLayoutWindow()
{
    delete m_propertiesMenu;
}

void ecMemoryLayoutWindow::OnPaint(wxPaintEvent& event)
{
    wxPaintDC dc(this);

    PrepareDC(dc);

    ecConfigToolDoc* pDoc = wxGetApp().GetConfigToolDoc();
    if (pDoc == NULL) // no document so nothing to draw
        return;

#if 0    
    // 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);
#endif
}

void ecMemoryLayoutWindow::OnMouseEvent(wxMouseEvent& event)
{
    if (event.RightDown())
    {
        PopupMenu(GetPropertiesMenu(), event.GetX(), event.GetY());
    }
}

void ecMemoryLayoutWindow::OnProperties(wxCommandEvent& event)
{
    ecSectionDialog dialog(wxTheApp->GetTopWindow());
    dialog.ShowModal();
}

void ecMemoryLayoutWindow::RefreshMLT()
{
#if 0
    // From OnUpdate in the MFC tool

    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);
#endif
}

#if ecUSE_MLT
void ecMemoryLayoutWindow::DrawRegion (wxDC& dc, int uRegion, int uUnitCount, int uPixelsPerUnit, std::list <mem_region>::iterator region)
{
#if 0
    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);