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[TASKMGR] Preserve graphs history on resizes (#4141)

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- Also the graph stays preserved on the kernel time toggle
- An attempt to clean up the collected cruft was made as well
This commit is contained in:
Valerij Zaporogeci 2021-12-06 04:49:42 +02:00 committed by Stanislav Motylkov
parent b2c8fe2c55
commit 403222dd4f
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GPG key ID: AFE513258CBA9E92
3 changed files with 364 additions and 665 deletions
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843
base/applications/taskmgr/graphctl.c
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@ -12,582 +12,294 @@
WNDPROC OldGraphCtrlWndProc;
static void GraphCtrl_Init(TGraphCtrl* this)
BOOL
GraphCtrl_Create(PTM_GRAPH_CONTROL inst, HWND hWnd, HWND hParentWnd, PTM_FORMAT fmt)
{
int i;
HDC hdc, hdcg;
HBITMAP hbmOld;
UINT Size;
INT p;
RECT rc;
this->m_hWnd = 0;
this->m_hParentWnd = 0;
this->m_dcGrid = 0;
this->m_dcPlot = 0;
this->m_bitmapOldGrid = 0;
this->m_bitmapOldPlot = 0;
this->m_bitmapGrid = 0;
this->m_bitmapPlot = 0;
this->m_brushBack = 0;
inst->hParentWnd = hParentWnd;
inst->hWnd = hWnd;
this->m_penPlot[0] = 0;
this->m_penPlot[1] = 0;
this->m_penPlot[2] = 0;
this->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.
*/
this->m_dPreviousPosition[0] = 0.0;
this->m_dPreviousPosition[1] = 0.0;
this->m_dPreviousPosition[2] = 0.0;
this->m_dPreviousPosition[3] = 0.0;
/* public variable for the number of decimal places on the y axis */
this->m_nYDecimals = 3;
/* set some initial values for the scaling until "SetRange" is called.
* these are protected variables and must be set with SetRange
* in order to ensure that m_dRange is updated accordingly
*/
/* m_dLowerLimit = -10.0; */
/* m_dUpperLimit = 10.0; */
this->m_dLowerLimit = 0.0;
this->m_dUpperLimit = 100.0;
this->m_dRange = this->m_dUpperLimit - this->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 */
this->m_nShiftPixels = 4;
this->m_nHalfShiftPixels = this->m_nShiftPixels / 2; /* protected */
this->m_nPlotShiftPixels = this->m_nShiftPixels + this->m_nHalfShiftPixels; /* protected */
/* Set how big the grid boxes are */
this->m_nGridXPixels = 12;
this->m_nGridYPixels = 12;
/* Task manager should scroll grid with the graph. This variable contains the */
/* amount of pixels the grid paint origin should shift to left */
this->m_nGridOffsetPixels = 0;
/* background, grid and data colors */
/* these are public variables and can be set directly */
this->m_crBackColor = RGB( 0, 0, 0); /* see also SetBackgroundColor */
this->m_crGridColor = RGB( 0, 128, 64); /* see also SetGridColor */
this->m_crPlotColor[0] = RGB(255, 255, 255); /* see also SetPlotColor */
this->m_crPlotColor[1] = RGB(100, 255, 255); /* see also SetPlotColor */
this->m_crPlotColor[2] = RGB(255, 100, 255); /* see also SetPlotColor */
this->m_crPlotColor[3] = RGB(255, 255, 100); /* see also SetPlotColor */
/* protected variables */
for (i = 0; i < MAX_PLOTS; i++)
Size = GetSystemMetrics(SM_CXSCREEN);
inst->BitmapWidth = Size;
Size /= PLOT_SHIFT;
inst->PointBuffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, Size * NUM_PLOTS);
if (!inst->PointBuffer)
{
this->m_penPlot[i] = CreatePen(PS_SOLID, 0, this->m_crPlotColor[i]);
goto fail;
}
this->m_brushBack = CreateSolidBrush(this->m_crBackColor);
/* public member variables, can be set directly */
strcpy(this->m_strXUnitsString, "Samples"); /* can also be set with SetXUnits */
strcpy(this->m_strYUnitsString, "Y units"); /* can also be set with SetYUnits */
inst->NumberOfPoints = Size;
inst->CurrIndex = 0;
/* protected bitmaps to restore the memory DC's */
this->m_bitmapOldGrid = NULL;
this->m_bitmapOldPlot = NULL;
}
/* Styling */
inst->hPenGrid = CreatePen(PS_SOLID, 0, fmt->clrGrid);
inst->hPen0 = CreatePen(PS_SOLID, 0, fmt->clrPlot0);
inst->hPen1 = CreatePen(PS_SOLID, 0, fmt->clrPlot1);
inst->hBrushBack = CreateSolidBrush(fmt->clrBack);
void GraphCtrl_Dispose(TGraphCtrl* this)
{
int plot;
for (plot = 0; plot < MAX_PLOTS; plot++)
DeleteObject(this->m_penPlot[plot]);
/* 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 (this->m_bitmapOldGrid != NULL) SelectObject(this->m_dcGrid, this->m_bitmapOldGrid);
if (this->m_bitmapOldPlot != NULL) SelectObject(this->m_dcPlot, this->m_bitmapOldPlot);
if (this->m_bitmapGrid != NULL) DeleteObject(this->m_bitmapGrid);
if (this->m_bitmapPlot != NULL) DeleteObject(this->m_bitmapPlot);
if (this->m_dcGrid != NULL) DeleteDC(this->m_dcGrid);
if (this->m_dcPlot != NULL) DeleteDC(this->m_dcPlot);
if (this->m_brushBack != NULL) DeleteObject(this->m_brushBack);
}
void GraphCtrl_Create(TGraphCtrl* this, HWND hWnd, HWND hParentWnd, UINT nID)
{
GraphCtrl_Init(this);
this->m_hParentWnd = hParentWnd;
this->m_hWnd = hWnd;
GraphCtrl_Resize(this);
return;
}
void GraphCtrl_SetRange(TGraphCtrl* this, double dLower, double dUpper, int nDecimalPlaces)
{
/* ASSERT(dUpper > dLower); */
this->m_dLowerLimit = dLower;
this->m_dUpperLimit = dUpper;
this->m_nYDecimals = nDecimalPlaces;
this->m_dRange = this->m_dUpperLimit - this->m_dLowerLimit;
this->m_dVerticalFactor = (double)this->m_nPlotHeight / this->m_dRange;
/* clear out the existing garbage, re-start with a clean plot */
GraphCtrl_InvalidateCtrl(this, FALSE);
}
#if 0
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();
}
#endif
void GraphCtrl_SetGridColor(TGraphCtrl* this, COLORREF color)
{
this->m_crGridColor = color;
/* clear out the existing garbage, re-start with a clean plot */
GraphCtrl_InvalidateCtrl(this, FALSE);
}
void GraphCtrl_SetPlotColor(TGraphCtrl* this, int plot, COLORREF color)
{
this->m_crPlotColor[plot] = color;
DeleteObject(this->m_penPlot[plot]);
this->m_penPlot[plot] = CreatePen(PS_SOLID, 0, this->m_crPlotColor[plot]);
/* clear out the existing garbage, re-start with a clean plot */
GraphCtrl_InvalidateCtrl(this, FALSE);
}
void GraphCtrl_SetBackgroundColor(TGraphCtrl* this, COLORREF color)
{
this->m_crBackColor = color;
DeleteObject(this->m_brushBack);
this->m_brushBack = CreateSolidBrush(this->m_crBackColor);
/* clear out the existing garbage, re-start with a clean plot */
GraphCtrl_InvalidateCtrl(this, FALSE);
}
void GraphCtrl_InvalidateCtrl(TGraphCtrl* this, BOOL bResize)
{
/* 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;
int nCharacters;
//int nTopGridPix, nMidGridPix, nBottomGridPix;
HPEN oldPen;
HPEN solidPen = CreatePen(PS_SOLID, 0, this->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(this->m_hParentWnd);
/* if we don't have one yet, set up a memory dc for the grid */
if (this->m_dcGrid == NULL)
if (!inst->hPenGrid ||
!inst->hPen0 ||
!inst->hPen1 ||
!inst->hBrushBack)
{
this->m_dcGrid = CreateCompatibleDC(dc);
this->m_bitmapGrid = CreateCompatibleBitmap(dc, this->m_nClientWidth, this->m_nClientHeight);
this->m_bitmapOldGrid = (HBITMAP)SelectObject(this->m_dcGrid, this->m_bitmapGrid);
goto fail;
}
else if(bResize)
if (fmt->GridCellWidth >= PLOT_SHIFT << 2)
inst->GridCellWidth = fmt->GridCellWidth;
else
inst->GridCellWidth = PLOT_SHIFT << 2;
if (fmt->GridCellHeight >= PLOT_SHIFT << 2)
inst->GridCellHeight = fmt->GridCellHeight;
else
inst->GridCellHeight = PLOT_SHIFT << 2;
inst->DrawSecondaryPlot = fmt->DrawSecondaryPlot;
GetClientRect(hWnd, &rc);
inst->BitmapHeight = rc.bottom;
inst->ftPixelsPerPercent = (FLOAT)(inst->BitmapHeight) / 100.00f;
hdc = GetDC(hParentWnd);
hdcg = CreateCompatibleDC(hdc);
inst->hdcGraph = hdcg;
inst->hbmGraph = CreateCompatibleBitmap(hdc, inst->BitmapWidth, inst->BitmapHeight);
if (!hdc ||
!hdcg ||
!inst->hbmGraph)
{
// the size of the drawing area has changed
// so create a new bitmap of the appropriate size
if(this->m_bitmapGrid != NULL)
goto fail;
}
ReleaseDC(hParentWnd, hdc);
hbmOld = (HBITMAP)SelectObject(hdcg, inst->hbmGraph);
DeleteObject(hbmOld);
SetBkColor(hdcg, fmt->clrBack);
rc.right = inst->BitmapWidth;
FillRect(hdcg, &rc, inst->hBrushBack);
inst->CurrShift = 0;
SelectObject(hdcg, inst->hPenGrid);
for (p = inst->GridCellHeight - 1;
p < inst->BitmapHeight;
p += inst->GridCellHeight)
{
MoveToEx(hdcg, 0, p, NULL);
LineTo(hdcg, inst->BitmapWidth, p);
}
for (p = inst->BitmapWidth - 1;
p > 0;
p -= inst->GridCellWidth)
{
MoveToEx(hdcg, p, 0, NULL);
LineTo(hdcg, p, inst->BitmapHeight);
}
SelectObject(hdcg, inst->hPen0);
return TRUE;
fail:
GraphCtrl_Dispose(inst);
return FALSE;
}
void
GraphCtrl_Dispose(PTM_GRAPH_CONTROL inst)
{
if (inst->PointBuffer)
HeapFree(GetProcessHeap(), 0, inst->PointBuffer);
if (inst->hPenGrid)
DeleteObject(inst->hPenGrid);
if (inst->hPen0)
DeleteObject(inst->hPen0);
if (inst->hPen1)
DeleteObject(inst->hPen1);
if (inst->hBrushBack)
DeleteObject(inst->hBrushBack);
if (inst->hbmGraph)
DeleteObject(inst->hbmGraph);
if (inst->hdcGraph)
DeleteObject(inst->hdcGraph);
}
void
GraphCtrl_AddPoint(PTM_GRAPH_CONTROL inst, BYTE val0, BYTE val1)
{
HDC hdcg;
PBYTE t;
RECT rcDirt;
UINT Prev0, Prev1, RetainingWidth;
INT PrevY, CurrY, p, v;
hdcg = inst->hdcGraph;
RetainingWidth = inst->BitmapWidth - PLOT_SHIFT;
t = inst->PointBuffer;
Prev0 = *(t + inst->CurrIndex);
Prev1 = *(t + inst->CurrIndex + inst->NumberOfPoints);
if (inst->CurrIndex < inst->NumberOfPoints)
{
inst->CurrIndex++;
}
else
{
inst->CurrIndex = 0;
}
*(t + inst->CurrIndex) = val0;
*(t + inst->CurrIndex + inst->NumberOfPoints) = val1;
/* Drawing points, first shifting the plot left */
BitBlt(hdcg, 0, 0, RetainingWidth, inst->BitmapHeight, hdcg, PLOT_SHIFT, 0, SRCCOPY);
rcDirt.left = RetainingWidth;
rcDirt.top = 0;
rcDirt.right = inst->BitmapWidth;
rcDirt.bottom = inst->BitmapHeight;
FillRect(hdcg, &rcDirt, inst->hBrushBack);
SelectObject(hdcg, inst->hPenGrid);
for (p = inst->GridCellHeight - 1;
p < inst->BitmapHeight;
p += inst->GridCellHeight)
{
MoveToEx(hdcg, RetainingWidth, p, NULL);
LineTo(hdcg, inst->BitmapWidth, p);
}
v = inst->CurrShift + PLOT_SHIFT;
if (v >= inst->GridCellWidth)
{
v -= inst->GridCellWidth;
p = inst->BitmapWidth - v - 1;
MoveToEx(hdcg, p, 0, NULL);
LineTo(hdcg, p, inst->BitmapHeight);
}
inst->CurrShift = v;
if (inst->DrawSecondaryPlot)
{
SelectObject(inst->hdcGraph, inst->hPen1);
PrevY = inst->BitmapHeight - Prev1 * inst->ftPixelsPerPercent;
MoveToEx(inst->hdcGraph, RetainingWidth - 1, PrevY, NULL);
CurrY = inst->BitmapHeight - val1 * inst->ftPixelsPerPercent;
LineTo(inst->hdcGraph, inst->BitmapWidth - 1, CurrY);
}
SelectObject(inst->hdcGraph, inst->hPen0);
PrevY = inst->BitmapHeight - Prev0 * inst->ftPixelsPerPercent;
MoveToEx(inst->hdcGraph, RetainingWidth - 1, PrevY, NULL);
CurrY = inst->BitmapHeight - val0 * inst->ftPixelsPerPercent;
LineTo(inst->hdcGraph, inst->BitmapWidth - 1, CurrY);
}
inline void
GraphCtrl_RedrawBitmap(PTM_GRAPH_CONTROL inst, INT h)
{
HDC hdcg;
PBYTE t;
RECT rc;
INT i, j, y, x, p;
FLOAT coef;
hdcg = inst->hdcGraph;
rc.left = 0; rc.top = 0;
rc.right = inst->BitmapWidth; rc.bottom = h;
FillRect(hdcg, &rc, inst->hBrushBack);
SelectObject(hdcg, inst->hPenGrid);
for (p = inst->GridCellHeight - 1;
p < inst->BitmapHeight;
p += inst->GridCellHeight)
{
MoveToEx(hdcg, 0, p, NULL);
LineTo(hdcg, inst->BitmapWidth, p);
}
for (p = inst->BitmapWidth - inst->CurrShift - 1;
p > 0;
p -= inst->GridCellWidth)
{
MoveToEx(hdcg, p, 0, NULL);
LineTo(hdcg, p, inst->BitmapHeight);
}
coef = inst->ftPixelsPerPercent;
if (inst->DrawSecondaryPlot)
{
SelectObject(hdcg, inst->hPen1);
t = inst->PointBuffer + inst->NumberOfPoints;
x = inst->BitmapWidth - 1;
j = inst->CurrIndex;
y = h - *(t + j) * coef;
MoveToEx(hdcg, x, y, NULL);
for (i = 0; i < inst->NumberOfPoints; i++)
{
this->m_bitmapGrid = (HBITMAP)SelectObject(this->m_dcGrid, this->m_bitmapOldGrid);
DeleteObject(this->m_bitmapGrid);
this->m_bitmapGrid = CreateCompatibleBitmap(dc, this->m_nClientWidth, this->m_nClientHeight);
SelectObject(this->m_dcGrid, this->m_bitmapGrid);
j = (j ? j : inst->NumberOfPoints) - 1;
y = h - *(t + j) * coef;
x -= PLOT_SHIFT;
LineTo(hdcg, x, y);
}
}
SetBkColor(this->m_dcGrid, this->m_crBackColor);
SelectObject(hdcg, inst->hPen0);
t = inst->PointBuffer;
x = inst->BitmapWidth - 1;
j = inst->CurrIndex;
y = h - *(t + j) * coef;
MoveToEx(hdcg, x, y, NULL);
/* fill the grid background */
FillRect(this->m_dcGrid, &this->m_rectClient, this->m_brushBack);
/* draw the plot rectangle: */
/* determine how wide the y axis scaling values are */
nCharacters = abs((int)log10(fabs(this->m_dUpperLimit)));
nCharacters = max(nCharacters, abs((int)log10(fabs(this->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 + this->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); */
this->m_rectPlot.left = this->m_rectClient.left;
this->m_nPlotWidth = this->m_rectPlot.right - this->m_rectPlot.left;/* m_rectPlot.Width(); */
/* draw the plot rectangle */
oldPen = (HPEN)SelectObject(this->m_dcGrid, solidPen);
MoveToEx(this->m_dcGrid, this->m_rectPlot.left, this->m_rectPlot.top, NULL);
LineTo(this->m_dcGrid, this->m_rectPlot.right + 1, this->m_rectPlot.top);
LineTo(this->m_dcGrid, this->m_rectPlot.right + 1, this->m_rectPlot.bottom + 1);
LineTo(this->m_dcGrid, this->m_rectPlot.left, this->m_rectPlot.bottom + 1);
/* LineTo(m_dcGrid, m_rectPlot.left, m_rectPlot.top); */
/* draw the horizontal axis */
for (i = this->m_rectPlot.top; i <= this->m_rectPlot.bottom; i += this->m_nGridYPixels)
for (i = 0; i < inst->NumberOfPoints; i++)
{
MoveToEx(this->m_dcGrid, this->m_rectPlot.left, i, NULL);
LineTo(this->m_dcGrid, this->m_rectPlot.right, i);
j = (j ? j : inst->NumberOfPoints) - 1;
y = h - *(t + j) * coef;
x -= PLOT_SHIFT;
LineTo(hdcg, x, y);
}
/* draw the vertical axis */
/* In order to keep grid position uniform when resizing, vertical axis should be */
/* drawn from right to left */
for (i = this->m_rectPlot.right - this->m_nGridOffsetPixels; i >= this->m_rectPlot.left; i -= this->m_nGridXPixels)
{
MoveToEx(this->m_dcGrid, i, this->m_rectPlot.bottom, NULL);
LineTo(this->m_dcGrid, i, this->m_rectPlot.top);
}
SelectObject(this->m_dcGrid, oldPen);
DeleteObject(solidPen);
#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, wcslen(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, wcslen(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, wcslen(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, wcslen(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, wcslen(m_strYUnitsString));
SelectObject(m_dcGrid, oldFont);
#endif
/* at this point we are done filling the grid bitmap, */
/* no more drawing to this bitmap is needed until the settings are changed */
/* if we don't have one yet, set up a memory dc for the plot */
if (this->m_dcPlot == NULL)
{
this->m_dcPlot = CreateCompatibleDC(dc);
this->m_bitmapPlot = CreateCompatibleBitmap(dc, this->m_nClientWidth, this->m_nClientHeight);
this->m_bitmapOldPlot = (HBITMAP)SelectObject(this->m_dcPlot, this->m_bitmapPlot);
}
else if(bResize)
{
// the size of the drawing area has changed
// so create a new bitmap of the appropriate size
if(this->m_bitmapPlot != NULL)
{
this->m_bitmapPlot = (HBITMAP)SelectObject(this->m_dcPlot, this->m_bitmapOldPlot);
DeleteObject(this->m_bitmapPlot);
this->m_bitmapPlot = CreateCompatibleBitmap(dc, this->m_nClientWidth, this->m_nClientHeight);
SelectObject(this->m_dcPlot, this->m_bitmapPlot);
GraphCtrl_DrawPoint(this);
}
}
/* make sure the plot bitmap is cleared */
SetBkColor(this->m_dcPlot, this->m_crBackColor);
FillRect(this->m_dcPlot, &this->m_rectClient, this->m_brushBack);
/* finally, force the plot area to redraw */
InvalidateRect(this->m_hParentWnd, &this->m_rectClient, TRUE);
ReleaseDC(this->m_hParentWnd, dc);
}
double GraphCtrl_AppendPoint(TGraphCtrl* this,
double dNewPoint0, double dNewPoint1,
double dNewPoint2, double dNewPoint3)
inline void
GraphCtrl_RedrawOnHeightChange(PTM_GRAPH_CONTROL inst, INT nh)
{
/* append a data point to the plot & return the previous point */
double dPrevious;
HDC hdc;
HBITMAP hbmOld;
dPrevious = this->m_dCurrentPosition[0];
this->m_dCurrentPosition[0] = dNewPoint0;
this->m_dCurrentPosition[1] = dNewPoint1;
this->m_dCurrentPosition[2] = dNewPoint2;
this->m_dCurrentPosition[3] = dNewPoint3;
GraphCtrl_ShiftGrid(this);
GraphCtrl_DrawPoint(this);
/* Invalidate(); */
return dPrevious;
inst->BitmapHeight = nh;
inst->ftPixelsPerPercent = (FLOAT)nh / 100.00f;
hdc = GetDC(inst->hParentWnd);
hbmOld = inst->hbmGraph;
inst->hbmGraph = CreateCompatibleBitmap(hdc, inst->BitmapWidth, nh);
SelectObject(inst->hdcGraph, inst->hbmGraph);
DeleteObject(hbmOld);
ReleaseDC(inst->hParentWnd, hdc);
GraphCtrl_RedrawBitmap(inst, nh);
}
void GraphCtrl_Paint(TGraphCtrl* this, 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, this->m_nClientWidth, this->m_nClientHeight);
oldBitmap = (HBITMAP)SelectObject(memDC, memBitmap);
if (memDC != NULL)
{
/* first drop the grid on the memory dc */
BitBlt(memDC, 0, 0, this->m_nClientWidth, this->m_nClientHeight, this->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, this->m_nClientWidth, this->m_nClientHeight, this->m_dcPlot, 0, 0, SRCPAINT); /* SRCPAINT */
/* finally send the result to the display */
BitBlt(dc, 0, 0, this->m_nClientWidth, this->m_nClientHeight, memDC, 0, 0, SRCCOPY);
}
SelectObject(memDC, oldBitmap);
DeleteObject(memBitmap);
DeleteDC(memDC);
}
void GraphCtrl_ShiftGrid(TGraphCtrl* this)
{
RECT rectCleanUp;
HPEN oldPen, solidPen;
int i;
if (this->m_dcGrid == NULL)
return;
solidPen = CreatePen(PS_SOLID, 0, this->m_crGridColor);
/* Scroll the grid left: BitBlt it to itself */
BitBlt(this->m_dcGrid, this->m_rectPlot.left, this->m_rectPlot.top + 1,
this->m_nPlotWidth, this->m_nPlotHeight,
this->m_dcGrid, this->m_rectPlot.left + this->m_nShiftPixels, this->m_rectPlot.top + 1,
SRCCOPY);
/* Set shift pixels */
this->m_nGridOffsetPixels = (this->m_nGridOffsetPixels + this->m_nShiftPixels) % this->m_nGridXPixels;
/* Construct a rect in which needs update */
rectCleanUp = this->m_rectPlot;
rectCleanUp.left = rectCleanUp.right - this->m_nShiftPixels;
/* Fill the cleanup area with the background */
FillRect(this->m_dcGrid, &rectCleanUp, this->m_brushBack);
/* Draw the plot rectangle */
oldPen = (HPEN)SelectObject(this->m_dcGrid, solidPen);
/* Redraw horizontal axis */
for (i = rectCleanUp.top; i < rectCleanUp.bottom; i += this->m_nGridYPixels)
{
MoveToEx(this->m_dcGrid, rectCleanUp.left, i, NULL);
LineTo(this->m_dcGrid, rectCleanUp.right, i);
}
/* Redraw scrolled vertical axis */
MoveToEx(this->m_dcGrid, rectCleanUp.right - this->m_nGridOffsetPixels, rectCleanUp.top, NULL);
LineTo(this->m_dcGrid, rectCleanUp.right - this->m_nGridOffsetPixels, rectCleanUp.bottom);
SelectObject(this->m_dcGrid, oldPen);
DeleteObject(solidPen);
}
void GraphCtrl_DrawPoint(TGraphCtrl* this)
{
/* 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;
int i;
if (this->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 (excluding m_nShiftPixels on the left)
* move this grabbed bitmap to the left by m_nShiftPixels
*/
BitBlt(this->m_dcPlot, this->m_rectPlot.left, this->m_rectPlot.top + 1,
this->m_nPlotWidth, this->m_nPlotHeight, this->m_dcPlot,
this->m_rectPlot.left+this->m_nShiftPixels, this->m_rectPlot.top + 1,
SRCCOPY);
/* establish a rectangle over the right side of plot */
/* which now needs to be cleaned up prior to adding the new point */
rectCleanUp = this->m_rectPlot;
rectCleanUp.left = rectCleanUp.right - this->m_nShiftPixels;
/* fill the cleanup area with the background */
FillRect(this->m_dcPlot, &rectCleanUp, this->m_brushBack);
/* draw the next line segment */
for (i = 0; i < MAX_PLOTS; i++)
{
/* grab the plotting pen */
oldPen = (HPEN)SelectObject(this->m_dcPlot, this->m_penPlot[i]);
/* move to the previous point */
prevX = this->m_rectPlot.right-this->m_nPlotShiftPixels;
prevY = this->m_rectPlot.bottom -
(long)((this->m_dPreviousPosition[i] - this->m_dLowerLimit) * this->m_dVerticalFactor);
MoveToEx(this->m_dcPlot, prevX, prevY, NULL);
/* draw to the current point */
currX = this->m_rectPlot.right-this->m_nHalfShiftPixels;
currY = this->m_rectPlot.bottom -
(long)((this->m_dCurrentPosition[i] - this->m_dLowerLimit) * this->m_dVerticalFactor);
LineTo(this->m_dcPlot, currX, currY);
/* Restore the pen */
SelectObject(this->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 <= this->m_rectPlot.top) || (currY <= this->m_rectPlot.top))
{
RECT rc;
rc.bottom = this->m_rectPlot.top + 1;
rc.left = prevX;
rc.right = currX + 1;
rc.top = this->m_rectClient.top;
FillRect(this->m_dcPlot, &rc, this->m_brushBack);
}
if ((prevY >= this->m_rectPlot.bottom) || (currY >= this->m_rectPlot.bottom))
{
RECT rc;
rc.bottom = this->m_rectClient.bottom + 1;
rc.left = prevX;
rc.right = currX + 1;
rc.top = this->m_rectPlot.bottom + 1;
/* RECT rc(prevX, m_rectPlot.bottom+1, currX+1, m_rectClient.bottom+1); */
FillRect(this->m_dcPlot, &rc, this->m_brushBack);
}
/* store the current point for connection to the next point */
this->m_dPreviousPosition[i] = this->m_dCurrentPosition[i];
}
}
}
void GraphCtrl_Resize(TGraphCtrl* this)
{
/* NOTE: Resize automatically gets called during the setup of the control */
GetClientRect(this->m_hWnd, &this->m_rectClient);
/* set some member variables to avoid multiple function calls */
this->m_nClientHeight = this->m_rectClient.bottom - this->m_rectClient.top;/* m_rectClient.Height(); */
this->m_nClientWidth = this->m_rectClient.right - this->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
this->m_rectPlot.left = 20;
this->m_rectPlot.top = 10;
this->m_rectPlot.right = this->m_rectClient.right-10;
this->m_rectPlot.bottom = this->m_rectClient.bottom-25;
#else
this->m_rectPlot.left = 0;
this->m_rectPlot.top = -1;
this->m_rectPlot.right = this->m_rectClient.right;
this->m_rectPlot.bottom = this->m_rectClient.bottom;
#endif
/* set some member variables to avoid multiple function calls */
this->m_nPlotHeight = this->m_rectPlot.bottom - this->m_rectPlot.top;/* m_rectPlot.Height(); */
this->m_nPlotWidth = this->m_rectPlot.right - this->m_rectPlot.left;/* m_rectPlot.Width(); */
/* set the scaling factor for now, this can be adjusted */
/* in the SetRange functions */
this->m_dVerticalFactor = (double)this->m_nPlotHeight / this->m_dRange;
}
#if 0
void TGraphCtrl::Reset()
{
/* to clear the existing data (in the form of a bitmap) */
/* simply invalidate the entire control */
InvalidateCtrl();
}
#endif
extern TGraphCtrl PerformancePageCpuUsageHistoryGraph;
extern TGraphCtrl PerformancePageMemUsageHistoryGraph;
extern TM_GRAPH_CONTROL PerformancePageCpuUsageHistoryGraph;
extern TM_GRAPH_CONTROL PerformancePageMemUsageHistoryGraph;
extern HWND hPerformancePageCpuUsageHistoryGraph;
extern HWND hPerformancePageMemUsageHistoryGraph;
INT_PTR CALLBACK
GraphCtrl_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
RECT rcClient;
HDC hdc;
PAINTSTRUCT ps;
PTM_GRAPH_CONTROL graph;
switch (message)
{
@ -652,27 +364,44 @@ GraphCtrl_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
case WM_SIZE:
{
if (hWnd == hPerformancePageMemUsageHistoryGraph)
{
GraphCtrl_Resize(&PerformancePageMemUsageHistoryGraph);
GraphCtrl_InvalidateCtrl(&PerformancePageMemUsageHistoryGraph, TRUE);
}
if (hWnd == hPerformancePageCpuUsageHistoryGraph)
graph = &PerformancePageCpuUsageHistoryGraph;
else if (hWnd == hPerformancePageMemUsageHistoryGraph)
graph = &PerformancePageMemUsageHistoryGraph;
else
return 0;
if (HIWORD(lParam) != graph->BitmapHeight)
{
GraphCtrl_Resize(&PerformancePageCpuUsageHistoryGraph);
GraphCtrl_InvalidateCtrl(&PerformancePageCpuUsageHistoryGraph, TRUE);
GraphCtrl_RedrawOnHeightChange(graph, HIWORD(lParam));
}
InvalidateRect(hWnd, NULL, FALSE);
return 0;
}
case WM_PAINT:
{
RECT rcClient;
HDC hdc;
PAINTSTRUCT ps;
if (hWnd == hPerformancePageCpuUsageHistoryGraph)
graph = &PerformancePageCpuUsageHistoryGraph;
else if (hWnd == hPerformancePageMemUsageHistoryGraph)
graph = &PerformancePageMemUsageHistoryGraph;
else
return 0;
hdc = BeginPaint(hWnd, &ps);
GetClientRect(hWnd, &rcClient);
if (hWnd == hPerformancePageMemUsageHistoryGraph)
GraphCtrl_Paint(&PerformancePageMemUsageHistoryGraph, hWnd, hdc);
if (hWnd == hPerformancePageCpuUsageHistoryGraph)
GraphCtrl_Paint(&PerformancePageCpuUsageHistoryGraph, hWnd, hdc);
BitBlt(hdc, 0, 0,
rcClient.right,
rcClient.bottom,
graph->hdcGraph,
graph->BitmapWidth - rcClient.right,
0,
SRCCOPY);
EndPaint(hWnd, &ps);
return 0;
}

112
base/applications/taskmgr/graphctl.h
View file

@ -22,94 +22,62 @@
#pragma once
#define MAX_PLOTS 4
#define MAX_CTRLS 4
#define NUM_PLOTS 2
#define PLOT_SHIFT 2
#ifdef __cplusplus
extern "C" {
#endif
#if 0
/* Attributes */
public:
void SetXUnits(const char* string);
void SetYUnits(const char* string);
/* Operations */
public:
BOOL Create(DWORD dwStyle, const RECT& rect, HWND hParentWnd, UINT nID=NULL);
#endif
typedef struct
typedef struct _TM_GRAPH_CONTROL
{
int m_nShiftPixels; /* amount to shift with each new point */
int m_nYDecimals;
HWND hParentWnd;
HWND hWnd;
HDC hdcGraph;
HBITMAP hbmGraph;
HPEN hPenGrid;
HPEN hPen0;
HPEN hPen1;
HBRUSH hBrushBack;
char m_strXUnitsString[50];
char m_strYUnitsString[50];
INT BitmapWidth;
INT BitmapHeight;
INT GridCellWidth;
INT GridCellHeight;
INT CurrShift;
COLORREF m_crBackColor; /* background color */
COLORREF m_crGridColor; /* grid color */
COLORREF m_crPlotColor[MAX_PLOTS]; /* data color */
PBYTE PointBuffer;
UINT32 NumberOfPoints;
UINT32 CurrIndex;
double m_dCurrentPosition[MAX_PLOTS]; /* current position */
double m_dPreviousPosition[MAX_PLOTS]; /* previous position */
FLOAT ftPixelsPerPercent;
BOOL DrawSecondaryPlot;
}
TM_GRAPH_CONTROL, *PTM_GRAPH_CONTROL;
/* those were protected fields */
int m_nHalfShiftPixels;
int m_nPlotShiftPixels;
int m_nGridOffsetPixels;
int m_nClientHeight;
int m_nClientWidth;
int m_nPlotHeight;
int m_nPlotWidth;
int m_nGridXPixels;
int m_nGridYPixels;
double m_dLowerLimit; /* lower bounds */
double m_dUpperLimit; /* upper bounds */
double m_dRange;
double m_dVerticalFactor;
HWND m_hWnd;
HWND m_hParentWnd;
HDC m_dcGrid;
HDC m_dcPlot;
HBITMAP m_bitmapOldGrid;
HBITMAP m_bitmapOldPlot;
HBITMAP m_bitmapGrid;
HBITMAP m_bitmapPlot;
HBRUSH m_brushBack;
HPEN m_penPlot[MAX_PLOTS];
RECT m_rectClient;
RECT m_rectPlot;
} TGraphCtrl;
typedef struct _TM_FORMAT
{
COLORREF clrBack;
COLORREF clrGrid;
COLORREF clrPlot0;
COLORREF clrPlot1;
INT GridCellWidth;
INT GridCellHeight;
BOOL DrawSecondaryPlot;
}
TM_FORMAT, *PTM_FORMAT;
extern WNDPROC OldGraphCtrlWndProc;
double GraphCtrl_AppendPoint(TGraphCtrl* this,
double dNewPoint0, double dNewPoint1,
double dNewPoint2, double dNewPoint3);
void GraphCtrl_Create(TGraphCtrl* this, HWND hWnd, HWND hParentWnd,
UINT nID);
void GraphCtrl_Dispose(TGraphCtrl* this);
void GraphCtrl_DrawPoint(TGraphCtrl* this);
void GraphCtrl_ShiftGrid(TGraphCtrl* this);
void GraphCtrl_InvalidateCtrl(TGraphCtrl* this, BOOL bResize);
void GraphCtrl_Paint(TGraphCtrl* this, HWND hWnd, HDC dc);
void GraphCtrl_Reset(TGraphCtrl* this);
void GraphCtrl_Resize(TGraphCtrl* this);
void GraphCtrl_SetBackgroundColor(TGraphCtrl* this, COLORREF
color);
void GraphCtrl_SetGridColor(TGraphCtrl* this, COLORREF color);
void GraphCtrl_SetPlotColor(TGraphCtrl* this, int plot, COLORREF
color);
void GraphCtrl_SetRange(TGraphCtrl* this, double dLower, double
dUpper, int nDecimalPlaces);
INT_PTR CALLBACK GraphCtrl_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
BOOL GraphCtrl_Create(PTM_GRAPH_CONTROL inst, HWND hWnd, HWND hParentWnd, PTM_FORMAT fmt);
void GraphCtrl_Dispose(PTM_GRAPH_CONTROL inst);
void GraphCtrl_AddPoint(PTM_GRAPH_CONTROL inst, BYTE val0, BYTE val1);
void GraphCtrl_RedrawOnHeightChange(PTM_GRAPH_CONTROL inst, INT nh);
void GraphCtrl_RedrawBitmap(PTM_GRAPH_CONTROL inst, INT h);
#ifdef __cplusplus
}
#endif

74
base/applications/taskmgr/perfpage.c
View file

@ -25,8 +25,8 @@
extern BOOL bInMenuLoop; /* Tells us if we are in the menu loop - from taskmgr.c */
TGraphCtrl PerformancePageCpuUsageHistoryGraph;
TGraphCtrl PerformancePageMemUsageHistoryGraph;
TM_GRAPH_CONTROL PerformancePageCpuUsageHistoryGraph;
TM_GRAPH_CONTROL PerformancePageMemUsageHistoryGraph;
HWND hPerformancePage; /* Performance Property Page */
HWND hPerformancePageCpuUsageGraph; /* CPU Usage Graph */
@ -128,6 +128,9 @@ PerformancePageWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
break;
case WM_INITDIALOG:
{
BOOL bGraph;
TM_FORMAT fmt;
/* Save the width and height */
GetClientRect(hDlg, &rc);
@ -168,30 +171,30 @@ PerformancePageWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
hPerformancePageMemUsageHistoryGraph = GetDlgItem(hDlg, IDC_MEM_USAGE_HISTORY_GRAPH);
hPerformancePageCpuUsageHistoryGraph = GetDlgItem(hDlg, IDC_CPU_USAGE_HISTORY_GRAPH);
GetClientRect(hPerformancePageCpuUsageHistoryGraph, &rc);
/* create the control */
/* PerformancePageCpuUsageHistoryGraph.Create(0, rc, hDlg, IDC_CPU_USAGE_HISTORY_GRAPH); */
GraphCtrl_Create(&PerformancePageCpuUsageHistoryGraph, hPerformancePageCpuUsageHistoryGraph, hDlg, IDC_CPU_USAGE_HISTORY_GRAPH);
/* customize the control */
GraphCtrl_SetRange(&PerformancePageCpuUsageHistoryGraph, 0.0, 100.0, 10);
/* PerformancePageCpuUsageHistoryGraph.SetYUnits("Current") ; */
/* PerformancePageCpuUsageHistoryGraph.SetXUnits("Samples (Windows Timer: 100 msec)") ; */
/* PerformancePageCpuUsageHistoryGraph.SetBackgroundColor(RGB(0, 0, 64)) ; */
/* PerformancePageCpuUsageHistoryGraph.SetGridColor(RGB(192, 192, 255)) ; */
/* PerformancePageCpuUsageHistoryGraph.SetPlotColor(RGB(255, 255, 255)) ; */
GraphCtrl_SetBackgroundColor(&PerformancePageCpuUsageHistoryGraph, RGB(0, 0, 0)) ;
GraphCtrl_SetGridColor(&PerformancePageCpuUsageHistoryGraph, RGB(0, 128, 64));
/* Create the controls */
fmt.clrBack = RGB(0, 0, 0);
fmt.clrGrid = RGB(0, 128, 64);
fmt.clrPlot0 = RGB(0, 255, 0);
fmt.clrPlot1 = RGB(255, 0, 0);
fmt.GridCellWidth = fmt.GridCellHeight = 12;
fmt.DrawSecondaryPlot = TaskManagerSettings.ShowKernelTimes;
bGraph = GraphCtrl_Create(&PerformancePageCpuUsageHistoryGraph, hPerformancePageCpuUsageHistoryGraph, hDlg, &fmt);
if (!bGraph)
{
EndDialog(hDlg, 0);
return FALSE;
}
GraphCtrl_SetPlotColor(&PerformancePageCpuUsageHistoryGraph, 0, RGB(0, 255, 0)) ;
GraphCtrl_SetPlotColor(&PerformancePageCpuUsageHistoryGraph, 1, RGB(255, 0, 0)) ;
fmt.clrPlot0 = RGB(255, 255, 0);
fmt.clrPlot1 = RGB(100, 255, 255);
fmt.DrawSecondaryPlot = TRUE;
bGraph = GraphCtrl_Create(&PerformancePageMemUsageHistoryGraph, hPerformancePageMemUsageHistoryGraph, hDlg, &fmt);
if (!bGraph)
{
EndDialog(hDlg, 0);
return FALSE;
}
GetClientRect(hPerformancePageMemUsageHistoryGraph, &rc);
GraphCtrl_Create(&PerformancePageMemUsageHistoryGraph, hPerformancePageMemUsageHistoryGraph, hDlg, IDC_MEM_USAGE_HISTORY_GRAPH);
GraphCtrl_SetRange(&PerformancePageMemUsageHistoryGraph, 0.0, 100.0, 10) ;
GraphCtrl_SetBackgroundColor(&PerformancePageMemUsageHistoryGraph, RGB(0, 0, 0)) ;
GraphCtrl_SetGridColor(&PerformancePageMemUsageHistoryGraph, RGB(0, 128, 64)) ;
GraphCtrl_SetPlotColor(&PerformancePageMemUsageHistoryGraph, 0, RGB(255, 255, 0)) ;
/* Start our refresh thread */
#ifdef RUN_PERF_PAGE
hPerformanceThread = CreateThread(NULL, 0, PerformancePageRefreshThread, NULL, 0, &dwPerformanceThread);
@ -205,6 +208,7 @@ PerformancePageWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
OldGraphCtrlWndProc = (WNDPROC)SetWindowLongPtrW(hPerformancePageMemUsageHistoryGraph, GWLP_WNDPROC, (LONG_PTR)GraphCtrl_WndProc);
SetWindowLongPtrW(hPerformancePageCpuUsageHistoryGraph, GWLP_WNDPROC, (LONG_PTR)GraphCtrl_WndProc);
return TRUE;
}
case WM_COMMAND:
break;
@ -447,16 +451,12 @@ DWORD WINAPI PerformancePageRefreshThread(void *lpParameter)
SendMessageW(hStatusWnd, SB_SETTEXT, 1, (LPARAM)Text);
}
if (TaskManagerSettings.ShowKernelTimes)
{
CpuKernelUsage = PerfDataGetProcessorSystemUsage();
if (CpuKernelUsage <= 0) CpuKernelUsage = 0;
if (CpuKernelUsage > 100) CpuKernelUsage = 100;
}
else
{
CpuKernelUsage = PerfDataGetProcessorSystemUsage();
if (CpuKernelUsage <= 0)
CpuKernelUsage = 0;
}
else if (CpuKernelUsage > 100)
CpuKernelUsage = 100;
/*
* Get the memory usage
*/
@ -468,9 +468,8 @@ DWORD WINAPI PerformancePageRefreshThread(void *lpParameter)
PhysicalMemoryAvailable = PerfDataGetPhysicalMemoryAvailableK();
nBarsUsed2 = PhysicalMemoryTotal ? ((PhysicalMemoryAvailable * 100) / PhysicalMemoryTotal) : 0;
GraphCtrl_AppendPoint(&PerformancePageCpuUsageHistoryGraph, CpuUsage, CpuKernelUsage, 0.0, 0.0);
GraphCtrl_AppendPoint(&PerformancePageMemUsageHistoryGraph, nBarsUsed1, nBarsUsed2, 0.0, 0.0);
/* PerformancePageMemUsageHistoryGraph.SetRange(0.0, 100.0, 10) ; */
GraphCtrl_AddPoint(&PerformancePageCpuUsageHistoryGraph, CpuUsage, CpuKernelUsage);
GraphCtrl_AddPoint(&PerformancePageMemUsageHistoryGraph, nBarsUsed1, nBarsUsed2);
InvalidateRect(hPerformancePageMemUsageHistoryGraph, NULL, FALSE);
InvalidateRect(hPerformancePageCpuUsageHistoryGraph, NULL, FALSE);
}
@ -491,13 +490,16 @@ void PerformancePage_OnViewShowKernelTimes(void)
{
CheckMenuItem(hViewMenu, ID_VIEW_SHOWKERNELTIMES, MF_BYCOMMAND|MF_UNCHECKED);
TaskManagerSettings.ShowKernelTimes = FALSE;
PerformancePageCpuUsageHistoryGraph.DrawSecondaryPlot = FALSE;
}
else
{
CheckMenuItem(hViewMenu, ID_VIEW_SHOWKERNELTIMES, MF_BYCOMMAND|MF_CHECKED);
TaskManagerSettings.ShowKernelTimes = TRUE;
PerformancePageCpuUsageHistoryGraph.DrawSecondaryPlot = TRUE;
}
GraphCtrl_RedrawBitmap(&PerformancePageCpuUsageHistoryGraph, PerformancePageCpuUsageHistoryGraph.BitmapHeight);
RefreshPerformancePage();
}