| /* | |
| * ReactOS Task Manager | |
| * | |
| * graphctl.c | |
| * | |
| * Copyright (C) 2002 Robert Dickenson <robd@reactos.org> | |
| * | |
| * This library is free software; you can redistribute it and/or | |
| * modify it under the terms of the GNU Lesser General Public | |
| * License as published by the Free Software Foundation; either | |
| * version 2.1 of the License, or (at your option) any later version. | |
| * | |
| * This library 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 | |
| * Lesser General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU Lesser General Public | |
| * License along with this library; if not, write to the Free Software | |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 <stdio.h> | |
| #include <math.h> | |
| #include "graphctl.h" | |
| #include "taskmgr.h" | |
| LONG OldGraphCtrlWndProc; | |
| static void GraphCtrl_Init(TGraphCtrl* this) | |
| { | |
| int i; | |
| 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; | |
| 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 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; */ | |
| 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 */ | |
| /* 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, 255, 255); /* 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++) | |
| { | |
| this->m_penPlot[i] = CreatePen(PS_SOLID, 0, this->m_crPlotColor[i]); | |
| } | |
| 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 */ | |
| /* protected bitmaps to restore the memory DC's */ | |
| this->m_bitmapOldGrid = NULL; | |
| this->m_bitmapOldPlot = NULL; | |
| } | |
| #if 0 | |
| 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); | |
| } | |
| #endif | |
| BOOL GraphCtrl_Create(TGraphCtrl* this, HWND hWnd, HWND hParentWnd, UINT nID) | |
| { | |
| BOOL result = 0; | |
| GraphCtrl_Init(this); | |
| this->m_hParentWnd = hParentWnd; | |
| this->m_hWnd = hWnd; | |
| GraphCtrl_Resize(this); | |
| if (result != 0) | |
| GraphCtrl_InvalidateCtrl(this); | |
| return result; | |
| } | |
| 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); | |
| } | |
| #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); | |
| } | |
| 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); | |
| } | |
| 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); | |
| } | |
| void GraphCtrl_InvalidateCtrl(TGraphCtrl* this) | |
| { | |
| /* 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, 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) | |
| { | |
| 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); | |
| } | |
| SetBkColor(this->m_dcGrid, this->m_crBackColor); | |
| /* 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); */ | |
| SelectObject(this->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 = (this->m_rectPlot.top + this->m_rectPlot.bottom)/2; | |
| nTopGridPix = nMidGridPix - this->m_nPlotHeight/4; | |
| nBottomGridPix = nMidGridPix + this->m_nPlotHeight/4; | |
| for (i=this->m_rectPlot.left; i<this->m_rectPlot.right; i+=2) | |
| { | |
| SetPixel(this->m_dcGrid, i, nTopGridPix, this->m_crGridColor); | |
| SetPixel(this->m_dcGrid, i, nMidGridPix, this->m_crGridColor); | |
| SetPixel(this->m_dcGrid, i, nBottomGridPix, this->m_crGridColor); | |
| } | |
| for (i=this->m_rectPlot.left; i<this->m_rectPlot.right; i+=10) | |
| { | |
| for (j=this->m_rectPlot.top; j<this->m_rectPlot.bottom; j+=2) | |
| { | |
| SetPixel(this->m_dcGrid, i, j, this->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 (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); | |
| } | |
| /* 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) | |
| { | |
| /* append a data point to the plot & return the previous point */ | |
| double dPrevious; | |
| 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_DrawPoint(this); | |
| /* Invalidate(); */ | |
| return dPrevious; | |
| } | |
| 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_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 (exluding 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 proir 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 segement */ | |
| 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-0; | |
| this->m_rectPlot.bottom = this->m_rectClient.bottom-0; | |
| #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 HWND hPerformancePageCpuUsageHistoryGraph; | |
| extern HWND hPerformancePageMemUsageHistoryGraph; | |
| LRESULT CALLBACK GraphCtrl_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) | |
| { | |
| RECT rcClient; | |
| HDC hdc; | |
| PAINTSTRUCT ps; | |
| 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: | |
| if (hWnd == hPerformancePageMemUsageHistoryGraph) | |
| { | |
| GraphCtrl_Resize(&PerformancePageMemUsageHistoryGraph); | |
| GraphCtrl_InvalidateCtrl(&PerformancePageMemUsageHistoryGraph); | |
| } | |
| if (hWnd == hPerformancePageCpuUsageHistoryGraph) | |
| { | |
| GraphCtrl_Resize(&PerformancePageCpuUsageHistoryGraph); | |
| GraphCtrl_InvalidateCtrl(&PerformancePageCpuUsageHistoryGraph); | |
| } | |
| return 0; | |
| case WM_PAINT: | |
| hdc = BeginPaint(hWnd, &ps); | |
| GetClientRect(hWnd, &rcClient); | |
| if (hWnd == hPerformancePageMemUsageHistoryGraph) | |
| GraphCtrl_Paint(&PerformancePageMemUsageHistoryGraph, hWnd, hdc); | |
| if (hWnd == hPerformancePageCpuUsageHistoryGraph) | |
| GraphCtrl_Paint(&PerformancePageCpuUsageHistoryGraph, hWnd, hdc); | |
| EndPaint(hWnd, &ps); | |
| return 0; | |
| } | |
| /* | |
| * We pass on all non-handled messages | |
| */ | |
| return CallWindowProc((WNDPROC)OldGraphCtrlWndProc, hWnd, message, wParam, lParam); | |
| } |