mirror of
https://github.com/reactos/reactos.git
synced 2024-11-20 14:30:57 +00:00
721 lines
23 KiB
C++
721 lines
23 KiB
C++
/*
|
|
* ReactOS Task Manager
|
|
*
|
|
* GraphCtrl.cpp
|
|
*
|
|
* Copyright (C) 2002 Robert Dickenson <robd@reactos.org>
|
|
*
|
|
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
|
|
#include <windows.h>
|
|
#include <commctrl.h>
|
|
#include <stdlib.h>
|
|
#include <malloc.h>
|
|
#include <memory.h>
|
|
#include <tchar.h>
|
|
#include <process.h>
|
|
#include <stdio.h>
|
|
|
|
#include "math.h"
|
|
#include "graphctl.h"
|
|
#include "taskmgr.h"
|
|
|
|
#ifdef _DEBUG
|
|
#define new DEBUG_NEW
|
|
#undef THIS_FILE
|
|
static char THIS_FILE[] = __FILE__;
|
|
#endif
|
|
|
|
|
|
LONG OldGraphCtrlWndProc;
|
|
|
|
|
|
TGraphCtrl::TGraphCtrl() :
|
|
m_hWnd(0),
|
|
m_hParentWnd(0),
|
|
m_dcGrid(0),
|
|
m_dcPlot(0),
|
|
m_bitmapOldGrid(0),
|
|
m_bitmapOldPlot(0),
|
|
m_bitmapGrid(0),
|
|
m_bitmapPlot(0),
|
|
m_brushBack(0)
|
|
{
|
|
//RECT m_rectClient;
|
|
//RECT m_rectPlot;
|
|
m_penPlot[0] = 0;
|
|
m_penPlot[1] = 0;
|
|
m_penPlot[2] = 0;
|
|
m_penPlot[3] = 0;
|
|
|
|
// since plotting is based on a LineTo for each new point
|
|
// we need a starting point (i.e. a "previous" point)
|
|
// use 0.0 as the default first point.
|
|
// these are public member variables, and can be changed outside
|
|
// (after construction). Therefore m_perviousPosition could be set to
|
|
// a more appropriate value prior to the first call to SetPosition.
|
|
m_dPreviousPosition[0] = 0.0;
|
|
m_dPreviousPosition[1] = 0.0;
|
|
m_dPreviousPosition[2] = 0.0;
|
|
m_dPreviousPosition[3] = 0.0;
|
|
|
|
// public variable for the number of decimal places on the y axis
|
|
m_nYDecimals = 3;
|
|
|
|
// set some initial values for the scaling until "SetRange" is called.
|
|
// these are protected varaibles and must be set with SetRange
|
|
// in order to ensure that m_dRange is updated accordingly
|
|
// m_dLowerLimit = -10.0;
|
|
// m_dUpperLimit = 10.0;
|
|
m_dLowerLimit = 0.0;
|
|
m_dUpperLimit = 100.0;
|
|
m_dRange = m_dUpperLimit - m_dLowerLimit; // protected member variable
|
|
|
|
// m_nShiftPixels determines how much the plot shifts (in terms of pixels)
|
|
// with the addition of a new data point
|
|
m_nShiftPixels = 4;
|
|
m_nHalfShiftPixels = m_nShiftPixels/2; // protected
|
|
m_nPlotShiftPixels = m_nShiftPixels + m_nHalfShiftPixels; // protected
|
|
|
|
// background, grid and data colors
|
|
// these are public variables and can be set directly
|
|
m_crBackColor = RGB( 0, 0, 0); // see also SetBackgroundColor
|
|
m_crGridColor = RGB( 0, 255, 255); // see also SetGridColor
|
|
m_crPlotColor[0] = RGB(255, 255, 255); // see also SetPlotColor
|
|
m_crPlotColor[1] = RGB(100, 255, 255); // see also SetPlotColor
|
|
m_crPlotColor[2] = RGB(255, 100, 255); // see also SetPlotColor
|
|
m_crPlotColor[3] = RGB(255, 255, 100); // see also SetPlotColor
|
|
|
|
// protected variables
|
|
int i;
|
|
for (i = 0; i < MAX_PLOTS; i++) {
|
|
m_penPlot[i] = CreatePen(PS_SOLID, 0, m_crPlotColor[i]);
|
|
}
|
|
m_brushBack = CreateSolidBrush(m_crBackColor);
|
|
|
|
// public member variables, can be set directly
|
|
strcpy(m_strXUnitsString, "Samples"); // can also be set with SetXUnits
|
|
strcpy(m_strYUnitsString, "Y units"); // can also be set with SetYUnits
|
|
|
|
// protected bitmaps to restore the memory DC's
|
|
m_bitmapOldGrid = NULL;
|
|
m_bitmapOldPlot = NULL;
|
|
#if 0
|
|
for (i = 0; i < MAX_CTRLS; i++) {
|
|
if (pCtrlArray[i] == 0) {
|
|
pCtrlArray[i] = this;
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
TGraphCtrl::~TGraphCtrl()
|
|
{
|
|
// just to be picky restore the bitmaps for the two memory dc's
|
|
// (these dc's are being destroyed so there shouldn't be any leaks)
|
|
if (m_bitmapOldGrid != NULL) SelectObject(m_dcGrid, m_bitmapOldGrid);
|
|
if (m_bitmapOldPlot != NULL) SelectObject(m_dcPlot, m_bitmapOldPlot);
|
|
if (m_bitmapGrid != NULL) DeleteObject(m_bitmapGrid);
|
|
if (m_bitmapPlot != NULL) DeleteObject(m_bitmapPlot);
|
|
if (m_dcGrid != NULL) DeleteDC(m_dcGrid);
|
|
if (m_dcPlot != NULL) DeleteDC(m_dcPlot);
|
|
if (m_brushBack != NULL) DeleteObject(m_brushBack);
|
|
#if 0
|
|
for (int i = 0; i < MAX_CTRLS; i++) {
|
|
if (pCtrlArray[i] == this) {
|
|
pCtrlArray[i] = 0;
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
BOOL TGraphCtrl::Create(HWND hWnd, HWND hParentWnd, UINT nID)
|
|
{
|
|
BOOL result = 0;
|
|
|
|
m_hParentWnd = hParentWnd;
|
|
m_hWnd = hWnd;
|
|
Resize();
|
|
if (result != 0)
|
|
InvalidateCtrl();
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
BOOL TGraphCtrl::Create(DWORD dwStyle, const RECT& rect,
|
|
HWND hParentWnd, UINT nID)
|
|
{
|
|
BOOL result = 0;
|
|
|
|
m_hParentWnd = hParentWnd;
|
|
// GetClientRect(m_hParentWnd, &m_rectClient);
|
|
|
|
// set some member variables to avoid multiple function calls
|
|
m_nClientHeight = rect.bottom - rect.top;//rect.Height();
|
|
m_nClientWidth = rect.right - rect.left;//rect.Width();
|
|
// m_nClientHeight = cx;
|
|
// m_nClientWidth = cy;
|
|
|
|
// the "left" coordinate and "width" will be modified in
|
|
// InvalidateCtrl to be based on the width of the y axis scaling
|
|
#if 0
|
|
m_rectPlot.left = 20;
|
|
m_rectPlot.top = 10;
|
|
m_rectPlot.right = rect.right-10;
|
|
m_rectPlot.bottom = rect.bottom-25;
|
|
#else
|
|
m_rectPlot.left = -1;
|
|
m_rectPlot.top = -1;
|
|
m_rectPlot.right = rect.right-0;
|
|
m_rectPlot.bottom = rect.bottom-0;
|
|
#endif
|
|
// set some member variables to avoid multiple function calls
|
|
m_nPlotHeight = m_rectPlot.bottom - m_rectPlot.top;//m_rectPlot.Height();
|
|
m_nPlotWidth = m_rectPlot.right - m_rectPlot.left;//m_rectPlot.Width();
|
|
|
|
// set the scaling factor for now, this can be adjusted
|
|
// in the SetRange functions
|
|
m_dVerticalFactor = (double)m_nPlotHeight / m_dRange;
|
|
|
|
if (result != 0)
|
|
InvalidateCtrl();
|
|
return result;
|
|
}
|
|
*/
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
void TGraphCtrl::SetRange(double dLower, double dUpper, int nDecimalPlaces)
|
|
{
|
|
//ASSERT(dUpper > dLower);
|
|
m_dLowerLimit = dLower;
|
|
m_dUpperLimit = dUpper;
|
|
m_nYDecimals = nDecimalPlaces;
|
|
m_dRange = m_dUpperLimit - m_dLowerLimit;
|
|
m_dVerticalFactor = (double)m_nPlotHeight / m_dRange;
|
|
// clear out the existing garbage, re-start with a clean plot
|
|
InvalidateCtrl();
|
|
}
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
void TGraphCtrl::SetXUnits(const char* string)
|
|
{
|
|
strncpy(m_strXUnitsString, string, sizeof(m_strXUnitsString) - 1);
|
|
// clear out the existing garbage, re-start with a clean plot
|
|
InvalidateCtrl();
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
void TGraphCtrl::SetYUnits(const char* string)
|
|
{
|
|
strncpy(m_strYUnitsString, string, sizeof(m_strYUnitsString) - 1);
|
|
// clear out the existing garbage, re-start with a clean plot
|
|
InvalidateCtrl();
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
void TGraphCtrl::SetGridColor(COLORREF color)
|
|
{
|
|
m_crGridColor = color;
|
|
// clear out the existing garbage, re-start with a clean plot
|
|
InvalidateCtrl();
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
void TGraphCtrl::SetPlotColor(int plot, COLORREF color)
|
|
{
|
|
m_crPlotColor[plot] = color;
|
|
DeleteObject(m_penPlot[plot]);
|
|
m_penPlot[plot] = CreatePen(PS_SOLID, 0, m_crPlotColor[plot]);
|
|
// clear out the existing garbage, re-start with a clean plot
|
|
InvalidateCtrl();
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
void TGraphCtrl::SetBackgroundColor(COLORREF color)
|
|
{
|
|
m_crBackColor = color;
|
|
DeleteObject(m_brushBack);
|
|
m_brushBack = CreateSolidBrush(m_crBackColor);
|
|
// clear out the existing garbage, re-start with a clean plot
|
|
InvalidateCtrl();
|
|
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
void TGraphCtrl::InvalidateCtrl()
|
|
{
|
|
// There is a lot of drawing going on here - particularly in terms of
|
|
// drawing the grid. Don't panic, this is all being drawn (only once)
|
|
// to a bitmap. The result is then BitBlt'd to the control whenever needed.
|
|
int i, j;
|
|
int nCharacters;
|
|
int nTopGridPix, nMidGridPix, nBottomGridPix;
|
|
|
|
HPEN oldPen;
|
|
HPEN solidPen = CreatePen(PS_SOLID, 0, m_crGridColor);
|
|
//HFONT axisFont, yUnitFont, oldFont;
|
|
//char strTemp[50];
|
|
|
|
// in case we haven't established the memory dc's
|
|
//CClientDC dc(this);
|
|
HDC dc = GetDC(m_hParentWnd);
|
|
|
|
// if we don't have one yet, set up a memory dc for the grid
|
|
if (m_dcGrid == NULL) {
|
|
m_dcGrid = CreateCompatibleDC(dc);
|
|
m_bitmapGrid = CreateCompatibleBitmap(dc, m_nClientWidth, m_nClientHeight);
|
|
m_bitmapOldGrid = (HBITMAP)SelectObject(m_dcGrid, m_bitmapGrid);
|
|
}
|
|
|
|
SetBkColor(m_dcGrid, m_crBackColor);
|
|
|
|
// fill the grid background
|
|
FillRect(m_dcGrid, &m_rectClient, m_brushBack);
|
|
|
|
// draw the plot rectangle:
|
|
// determine how wide the y axis scaling values are
|
|
nCharacters = abs((int)log10(fabs(m_dUpperLimit)));
|
|
nCharacters = max(nCharacters, abs((int)log10(fabs(m_dLowerLimit))));
|
|
|
|
// add the units digit, decimal point and a minus sign, and an extra space
|
|
// as well as the number of decimal places to display
|
|
nCharacters = nCharacters + 4 + m_nYDecimals;
|
|
|
|
// adjust the plot rectangle dimensions
|
|
// assume 6 pixels per character (this may need to be adjusted)
|
|
// m_rectPlot.left = m_rectClient.left + 6*(nCharacters);
|
|
m_rectPlot.left = m_rectClient.left;
|
|
m_nPlotWidth = m_rectPlot.right - m_rectPlot.left;//m_rectPlot.Width();
|
|
|
|
// draw the plot rectangle
|
|
oldPen = (HPEN)SelectObject(m_dcGrid, solidPen);
|
|
MoveToEx(m_dcGrid, m_rectPlot.left, m_rectPlot.top, NULL);
|
|
LineTo(m_dcGrid, m_rectPlot.right+1, m_rectPlot.top);
|
|
LineTo(m_dcGrid, m_rectPlot.right+1, m_rectPlot.bottom+1);
|
|
LineTo(m_dcGrid, m_rectPlot.left, m_rectPlot.bottom+1);
|
|
// LineTo(m_dcGrid, m_rectPlot.left, m_rectPlot.top);
|
|
SelectObject(m_dcGrid, oldPen);
|
|
DeleteObject(solidPen);
|
|
|
|
// draw the dotted lines,
|
|
// use SetPixel instead of a dotted pen - this allows for a
|
|
// finer dotted line and a more "technical" look
|
|
nMidGridPix = (m_rectPlot.top + m_rectPlot.bottom)/2;
|
|
nTopGridPix = nMidGridPix - m_nPlotHeight/4;
|
|
nBottomGridPix = nMidGridPix + m_nPlotHeight/4;
|
|
|
|
for (i=m_rectPlot.left; i<m_rectPlot.right; i+=2) {
|
|
SetPixel(m_dcGrid, i, nTopGridPix, m_crGridColor);
|
|
SetPixel(m_dcGrid, i, nMidGridPix, m_crGridColor);
|
|
SetPixel(m_dcGrid, i, nBottomGridPix, m_crGridColor);
|
|
}
|
|
|
|
for (i=m_rectPlot.left; i<m_rectPlot.right; i+=10) {
|
|
for (j=m_rectPlot.top; j<m_rectPlot.bottom; j+=2) {
|
|
SetPixel(m_dcGrid, i, j, m_crGridColor);
|
|
// SetPixel(m_dcGrid, i, j, m_crGridColor);
|
|
// SetPixel(m_dcGrid, i, j, m_crGridColor);
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
// create some fonts (horizontal and vertical)
|
|
// use a height of 14 pixels and 300 weight
|
|
// (these may need to be adjusted depending on the display)
|
|
axisFont = CreateFont (14, 0, 0, 0, 300,
|
|
FALSE, FALSE, 0, ANSI_CHARSET,
|
|
OUT_DEFAULT_PRECIS,
|
|
CLIP_DEFAULT_PRECIS,
|
|
DEFAULT_QUALITY,
|
|
DEFAULT_PITCH|FF_SWISS, "Arial");
|
|
yUnitFont = CreateFont (14, 0, 900, 0, 300,
|
|
FALSE, FALSE, 0, ANSI_CHARSET,
|
|
OUT_DEFAULT_PRECIS,
|
|
CLIP_DEFAULT_PRECIS,
|
|
DEFAULT_QUALITY,
|
|
DEFAULT_PITCH|FF_SWISS, "Arial");
|
|
|
|
// grab the horizontal font
|
|
oldFont = (HFONT)SelectObject(m_dcGrid, axisFont);
|
|
|
|
// y max
|
|
SetTextColor(m_dcGrid, m_crGridColor);
|
|
SetTextAlign(m_dcGrid, TA_RIGHT|TA_TOP);
|
|
sprintf(strTemp, "%.*lf", m_nYDecimals, m_dUpperLimit);
|
|
TextOut(m_dcGrid, m_rectPlot.left-4, m_rectPlot.top, strTemp, _tcslen(strTemp));
|
|
|
|
// y min
|
|
SetTextAlign(m_dcGrid, TA_RIGHT|TA_BASELINE);
|
|
sprintf(strTemp, "%.*lf", m_nYDecimals, m_dLowerLimit);
|
|
TextOut(m_dcGrid, m_rectPlot.left-4, m_rectPlot.bottom, strTemp, _tcslen(strTemp));
|
|
|
|
// x min
|
|
SetTextAlign(m_dcGrid, TA_LEFT|TA_TOP);
|
|
TextOut(m_dcGrid, m_rectPlot.left, m_rectPlot.bottom+4, "0", 1);
|
|
|
|
// x max
|
|
SetTextAlign(m_dcGrid, TA_RIGHT|TA_TOP);
|
|
sprintf(strTemp, "%d", m_nPlotWidth/m_nShiftPixels);
|
|
TextOut(m_dcGrid, m_rectPlot.right, m_rectPlot.bottom+4, strTemp, _tcslen(strTemp));
|
|
|
|
// x units
|
|
SetTextAlign(m_dcGrid, TA_CENTER|TA_TOP);
|
|
TextOut(m_dcGrid, (m_rectPlot.left+m_rectPlot.right)/2,
|
|
m_rectPlot.bottom+4, m_strXUnitsString, _tcslen(m_strXUnitsString));
|
|
|
|
// restore the font
|
|
SelectObject(m_dcGrid, oldFont);
|
|
|
|
// y units
|
|
oldFont = (HFONT)SelectObject(m_dcGrid, yUnitFont);
|
|
SetTextAlign(m_dcGrid, TA_CENTER|TA_BASELINE);
|
|
TextOut(m_dcGrid, (m_rectClient.left+m_rectPlot.left)/2,
|
|
(m_rectPlot.bottom+m_rectPlot.top)/2, m_strYUnitsString, _tcslen(m_strYUnitsString));
|
|
SelectObject(m_dcGrid, oldFont);
|
|
#endif
|
|
// at this point we are done filling the the grid bitmap,
|
|
// no more drawing to this bitmap is needed until the setting are changed
|
|
|
|
// if we don't have one yet, set up a memory dc for the plot
|
|
if (m_dcPlot == NULL) {
|
|
m_dcPlot = CreateCompatibleDC(dc);
|
|
m_bitmapPlot = CreateCompatibleBitmap(dc, m_nClientWidth, m_nClientHeight);
|
|
m_bitmapOldPlot = (HBITMAP)SelectObject(m_dcPlot, m_bitmapPlot);
|
|
}
|
|
|
|
// make sure the plot bitmap is cleared
|
|
SetBkColor(m_dcPlot, m_crBackColor);
|
|
FillRect(m_dcPlot, &m_rectClient, m_brushBack);
|
|
|
|
// finally, force the plot area to redraw
|
|
InvalidateRect(m_hParentWnd, &m_rectClient, TRUE);
|
|
ReleaseDC(m_hParentWnd, dc);
|
|
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
double TGraphCtrl::AppendPoint(double dNewPoint0, double dNewPoint1,
|
|
double dNewPoint2, double dNewPoint3)
|
|
{
|
|
// append a data point to the plot & return the previous point
|
|
double dPrevious;
|
|
|
|
dPrevious = m_dCurrentPosition[0];
|
|
m_dCurrentPosition[0] = dNewPoint0;
|
|
m_dCurrentPosition[1] = dNewPoint1;
|
|
m_dCurrentPosition[2] = dNewPoint2;
|
|
m_dCurrentPosition[3] = dNewPoint3;
|
|
DrawPoint();
|
|
//Invalidate();
|
|
return dPrevious;
|
|
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
void TGraphCtrl::Paint(HWND hWnd, HDC dc)
|
|
{
|
|
HDC memDC;
|
|
HBITMAP memBitmap;
|
|
HBITMAP oldBitmap; // bitmap originally found in CMemDC
|
|
|
|
// RECT rcClient;
|
|
// GetClientRect(hWnd, &rcClient);
|
|
// FillSolidRect(dc, &rcClient, RGB(255, 0, 255));
|
|
// m_nClientWidth = rcClient.right - rcClient.left;
|
|
// m_nClientHeight = rcClient.bottom - rcClient.top;
|
|
|
|
// no real plotting work is performed here,
|
|
// just putting the existing bitmaps on the client
|
|
|
|
// to avoid flicker, establish a memory dc, draw to it
|
|
// and then BitBlt it to the client
|
|
memDC = CreateCompatibleDC(dc);
|
|
memBitmap = (HBITMAP)CreateCompatibleBitmap(dc, m_nClientWidth, m_nClientHeight);
|
|
oldBitmap = (HBITMAP)SelectObject(memDC, memBitmap);
|
|
|
|
if (memDC != NULL) {
|
|
// first drop the grid on the memory dc
|
|
BitBlt(memDC, 0, 0, m_nClientWidth, m_nClientHeight, m_dcGrid, 0, 0, SRCCOPY);
|
|
// now add the plot on top as a "pattern" via SRCPAINT.
|
|
// works well with dark background and a light plot
|
|
BitBlt(memDC, 0, 0, m_nClientWidth, m_nClientHeight, m_dcPlot, 0, 0, SRCPAINT); //SRCPAINT
|
|
// finally send the result to the display
|
|
BitBlt(dc, 0, 0, m_nClientWidth, m_nClientHeight, memDC, 0, 0, SRCCOPY);
|
|
}
|
|
SelectObject(memDC, oldBitmap);
|
|
DeleteObject(memBitmap);
|
|
DeleteDC(memDC);
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
void TGraphCtrl::DrawPoint()
|
|
{
|
|
// this does the work of "scrolling" the plot to the left
|
|
// and appending a new data point all of the plotting is
|
|
// directed to the memory based bitmap associated with m_dcPlot
|
|
// the will subsequently be BitBlt'd to the client in Paint
|
|
|
|
int currX, prevX, currY, prevY;
|
|
HPEN oldPen;
|
|
RECT rectCleanUp;
|
|
|
|
if (m_dcPlot != NULL) {
|
|
// shift the plot by BitBlt'ing it to itself
|
|
// note: the m_dcPlot covers the entire client
|
|
// but we only shift bitmap that is the size
|
|
// of the plot rectangle
|
|
// grab the right side of the plot (exluding m_nShiftPixels on the left)
|
|
// move this grabbed bitmap to the left by m_nShiftPixels
|
|
|
|
BitBlt(m_dcPlot, m_rectPlot.left, m_rectPlot.top+1,
|
|
m_nPlotWidth, m_nPlotHeight, m_dcPlot,
|
|
m_rectPlot.left+m_nShiftPixels, m_rectPlot.top+1,
|
|
SRCCOPY);
|
|
|
|
// establish a rectangle over the right side of plot
|
|
// which now needs to be cleaned up proir to adding the new point
|
|
rectCleanUp = m_rectPlot;
|
|
rectCleanUp.left = rectCleanUp.right - m_nShiftPixels;
|
|
|
|
// fill the cleanup area with the background
|
|
FillRect(m_dcPlot, &rectCleanUp, m_brushBack);
|
|
|
|
// draw the next line segement
|
|
for (int i = 0; i < MAX_PLOTS; i++) {
|
|
|
|
// grab the plotting pen
|
|
oldPen = (HPEN)SelectObject(m_dcPlot, m_penPlot[i]);
|
|
|
|
// move to the previous point
|
|
prevX = m_rectPlot.right-m_nPlotShiftPixels;
|
|
prevY = m_rectPlot.bottom -
|
|
(long)((m_dPreviousPosition[i] - m_dLowerLimit) * m_dVerticalFactor);
|
|
MoveToEx(m_dcPlot, prevX, prevY, NULL);
|
|
|
|
// draw to the current point
|
|
currX = m_rectPlot.right-m_nHalfShiftPixels;
|
|
currY = m_rectPlot.bottom -
|
|
(long)((m_dCurrentPosition[i] - m_dLowerLimit) * m_dVerticalFactor);
|
|
LineTo(m_dcPlot, currX, currY);
|
|
|
|
// restore the pen
|
|
SelectObject(m_dcPlot, oldPen);
|
|
|
|
// if the data leaks over the upper or lower plot boundaries
|
|
// fill the upper and lower leakage with the background
|
|
// this will facilitate clipping on an as needed basis
|
|
// as opposed to always calling IntersectClipRect
|
|
|
|
if ((prevY <= m_rectPlot.top) || (currY <= m_rectPlot.top)) {
|
|
RECT rc;
|
|
rc.bottom = m_rectPlot.top+1;
|
|
rc.left = prevX;
|
|
rc.right = currX+1;
|
|
rc.top = m_rectClient.top;
|
|
FillRect(m_dcPlot, &rc, m_brushBack);
|
|
}
|
|
if ((prevY >= m_rectPlot.bottom) || (currY >= m_rectPlot.bottom)) {
|
|
RECT rc;
|
|
rc.bottom = m_rectClient.bottom+1;
|
|
rc.left = prevX;
|
|
rc.right = currX+1;
|
|
rc.top = m_rectPlot.bottom+1;
|
|
//RECT rc(prevX, m_rectPlot.bottom+1, currX+1, m_rectClient.bottom+1);
|
|
FillRect(m_dcPlot, &rc, m_brushBack);
|
|
}
|
|
|
|
// store the current point for connection to the next point
|
|
m_dPreviousPosition[i] = m_dCurrentPosition[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
void TGraphCtrl::Resize(void)
|
|
{
|
|
// NOTE: Resize automatically gets called during the setup of the control
|
|
GetClientRect(m_hWnd, &m_rectClient);
|
|
|
|
// set some member variables to avoid multiple function calls
|
|
m_nClientHeight = m_rectClient.bottom - m_rectClient.top;//m_rectClient.Height();
|
|
m_nClientWidth = m_rectClient.right - m_rectClient.left;//m_rectClient.Width();
|
|
|
|
// the "left" coordinate and "width" will be modified in
|
|
// InvalidateCtrl to be based on the width of the y axis scaling
|
|
#if 0
|
|
m_rectPlot.left = 20;
|
|
m_rectPlot.top = 10;
|
|
m_rectPlot.right = m_rectClient.right-10;
|
|
m_rectPlot.bottom = m_rectClient.bottom-25;
|
|
#else
|
|
m_rectPlot.left = 0;
|
|
m_rectPlot.top = -1;
|
|
m_rectPlot.right = m_rectClient.right-0;
|
|
m_rectPlot.bottom = m_rectClient.bottom-0;
|
|
#endif
|
|
|
|
// set some member variables to avoid multiple function calls
|
|
m_nPlotHeight = m_rectPlot.bottom - m_rectPlot.top;//m_rectPlot.Height();
|
|
m_nPlotWidth = m_rectPlot.right - m_rectPlot.left;//m_rectPlot.Width();
|
|
|
|
// set the scaling factor for now, this can be adjusted
|
|
// in the SetRange functions
|
|
m_dVerticalFactor = (double)m_nPlotHeight / m_dRange;
|
|
}
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
void TGraphCtrl::Reset()
|
|
{
|
|
// to clear the existing data (in the form of a bitmap)
|
|
// simply invalidate the entire control
|
|
InvalidateCtrl();
|
|
}
|
|
|
|
|
|
extern TGraphCtrl PerformancePageCpuUsageHistoryGraph;
|
|
extern TGraphCtrl PerformancePageMemUsageHistoryGraph;
|
|
extern HWND hPerformancePageCpuUsageHistoryGraph;
|
|
extern HWND hPerformancePageMemUsageHistoryGraph;
|
|
|
|
LRESULT CALLBACK GraphCtrl_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
RECT rcClient;
|
|
HDC hdc;
|
|
PAINTSTRUCT ps;
|
|
//LONG WindowId;
|
|
//TGraphCtrl* pGraphCtrl;
|
|
|
|
switch (message) {
|
|
case WM_ERASEBKGND:
|
|
return TRUE;
|
|
//
|
|
// Filter out mouse & keyboard messages
|
|
//
|
|
//case WM_APPCOMMAND:
|
|
case WM_CAPTURECHANGED:
|
|
case WM_LBUTTONDBLCLK:
|
|
case WM_LBUTTONDOWN:
|
|
case WM_LBUTTONUP:
|
|
case WM_MBUTTONDBLCLK:
|
|
case WM_MBUTTONDOWN:
|
|
case WM_MBUTTONUP:
|
|
case WM_MOUSEACTIVATE:
|
|
case WM_MOUSEHOVER:
|
|
case WM_MOUSELEAVE:
|
|
case WM_MOUSEMOVE:
|
|
//case WM_MOUSEWHEEL:
|
|
case WM_NCHITTEST:
|
|
case WM_NCLBUTTONDBLCLK:
|
|
case WM_NCLBUTTONDOWN:
|
|
case WM_NCLBUTTONUP:
|
|
case WM_NCMBUTTONDBLCLK:
|
|
case WM_NCMBUTTONDOWN:
|
|
case WM_NCMBUTTONUP:
|
|
//case WM_NCMOUSEHOVER:
|
|
//case WM_NCMOUSELEAVE:
|
|
case WM_NCMOUSEMOVE:
|
|
case WM_NCRBUTTONDBLCLK:
|
|
case WM_NCRBUTTONDOWN:
|
|
case WM_NCRBUTTONUP:
|
|
//case WM_NCXBUTTONDBLCLK:
|
|
//case WM_NCXBUTTONDOWN:
|
|
//case WM_NCXBUTTONUP:
|
|
case WM_RBUTTONDBLCLK:
|
|
case WM_RBUTTONDOWN:
|
|
case WM_RBUTTONUP:
|
|
//case WM_XBUTTONDBLCLK:
|
|
//case WM_XBUTTONDOWN:
|
|
//case WM_XBUTTONUP:
|
|
case WM_ACTIVATE:
|
|
case WM_CHAR:
|
|
case WM_DEADCHAR:
|
|
case WM_GETHOTKEY:
|
|
case WM_HOTKEY:
|
|
case WM_KEYDOWN:
|
|
case WM_KEYUP:
|
|
case WM_KILLFOCUS:
|
|
case WM_SETFOCUS:
|
|
case WM_SETHOTKEY:
|
|
case WM_SYSCHAR:
|
|
case WM_SYSDEADCHAR:
|
|
case WM_SYSKEYDOWN:
|
|
case WM_SYSKEYUP:
|
|
return 0;
|
|
|
|
case WM_NCCALCSIZE:
|
|
return 0;
|
|
|
|
case WM_SIZE:
|
|
// pGraphCtrl = TGraphCtrl::LookupGraphCtrl(hWnd);
|
|
// if (pGraphCtrl) pGraphCtrl->Resize(wParam, HIWORD(lParam), LOWORD(lParam));
|
|
if (hWnd == hPerformancePageMemUsageHistoryGraph) {
|
|
PerformancePageMemUsageHistoryGraph.Resize();
|
|
PerformancePageMemUsageHistoryGraph.InvalidateCtrl();
|
|
}
|
|
if (hWnd == hPerformancePageCpuUsageHistoryGraph) {
|
|
PerformancePageCpuUsageHistoryGraph.Resize();
|
|
PerformancePageCpuUsageHistoryGraph.InvalidateCtrl();
|
|
}
|
|
return 0;
|
|
break;
|
|
|
|
case WM_PAINT:
|
|
hdc = BeginPaint(hWnd, &ps);
|
|
// pGraphCtrl = TGraphCtrl::LookupGraphCtrl(hWnd);
|
|
// if (pGraphCtrl) pGraphCtrl->Paint(hdc);
|
|
GetClientRect(hWnd, &rcClient);
|
|
if (hWnd == hPerformancePageMemUsageHistoryGraph) {
|
|
PerformancePageMemUsageHistoryGraph.Paint(hWnd, hdc);
|
|
}
|
|
if (hWnd == hPerformancePageCpuUsageHistoryGraph) {
|
|
PerformancePageCpuUsageHistoryGraph.Paint(hWnd, hdc);
|
|
}
|
|
EndPaint(hWnd, &ps);
|
|
return 0;
|
|
}
|
|
|
|
//
|
|
// We pass on all non-handled messages
|
|
//
|
|
return CallWindowProc((WNDPROC)OldGraphCtrlWndProc, hWnd, message, wParam, lParam);
|
|
}
|
|
|
|
|
|
#if 0
|
|
|
|
#include "GraphCtrl.h"
|
|
|
|
TGraphCtrl* TGraphCtrl::pCtrlArray[] = { 0, 0, 0, 0 };
|
|
int TGraphCtrl::CtrlCount = 0;
|
|
|
|
TGraphCtrl* TGraphCtrl::LookupGraphCtrl(HWND hWnd)
|
|
{
|
|
for (int i = 0; i < MAX_CTRLS; i++) {
|
|
if (pCtrlArray[i] != 0) {
|
|
if (pCtrlArray[i]->m_hParentWnd == hWnd) {
|
|
return pCtrlArray[i];
|
|
}
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
#endif
|
|
|