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631 lines
23 KiB
C
631 lines
23 KiB
C
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/*
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* ReactOS Task Manager
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*
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* graphctl.c
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*
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* Copyright (C) 2002 Robert Dickenson <robd@reactos.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#define WIN32_LEAN_AND_MEAN /* Exclude rarely-used stuff from Windows headers */
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#include <windows.h>
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#include <commctrl.h>
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#include <stdlib.h>
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#include <malloc.h>
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#include <memory.h>
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#include <tchar.h>
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#include <stdio.h>
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#include <math.h>
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#include "graphctl.h"
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#include "taskmgr.h"
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LONG OldGraphCtrlWndProc;
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static void GraphCtrl_Init(TGraphCtrl* this)
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{
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int i;
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this->m_hWnd = 0;
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this->m_hParentWnd = 0;
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this->m_dcGrid = 0;
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this->m_dcPlot = 0;
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this->m_bitmapOldGrid = 0;
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this->m_bitmapOldPlot = 0;
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this->m_bitmapGrid = 0;
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this->m_bitmapPlot = 0;
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this->m_brushBack = 0;
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this->m_penPlot[0] = 0;
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this->m_penPlot[1] = 0;
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this->m_penPlot[2] = 0;
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this->m_penPlot[3] = 0;
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/* since plotting is based on a LineTo for each new point
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* we need a starting point (i.e. a "previous" point)
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* use 0.0 as the default first point.
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* these are public member variables, and can be changed outside
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* (after construction). Therefore m_perviousPosition could be set to
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* a more appropriate value prior to the first call to SetPosition.
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*/
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this->m_dPreviousPosition[0] = 0.0;
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this->m_dPreviousPosition[1] = 0.0;
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this->m_dPreviousPosition[2] = 0.0;
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this->m_dPreviousPosition[3] = 0.0;
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/* public variable for the number of decimal places on the y axis */
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this->m_nYDecimals = 3;
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/* set some initial values for the scaling until "SetRange" is called.
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* these are protected varaibles and must be set with SetRange
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* in order to ensure that m_dRange is updated accordingly
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*/
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/* m_dLowerLimit = -10.0; */
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/* m_dUpperLimit = 10.0; */
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this->m_dLowerLimit = 0.0;
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this->m_dUpperLimit = 100.0;
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this->m_dRange = this->m_dUpperLimit - this->m_dLowerLimit; /* protected member variable */
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/* m_nShiftPixels determines how much the plot shifts (in terms of pixels) */
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/* with the addition of a new data point */
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this->m_nShiftPixels = 4;
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this->m_nHalfShiftPixels = this->m_nShiftPixels/2; /* protected */
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this->m_nPlotShiftPixels = this->m_nShiftPixels + this->m_nHalfShiftPixels; /* protected */
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/* background, grid and data colors */
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/* these are public variables and can be set directly */
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this->m_crBackColor = RGB( 0, 0, 0); /* see also SetBackgroundColor */
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this->m_crGridColor = RGB( 0, 255, 255); /* see also SetGridColor */
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this->m_crPlotColor[0] = RGB(255, 255, 255); /* see also SetPlotColor */
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this->m_crPlotColor[1] = RGB(100, 255, 255); /* see also SetPlotColor */
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this->m_crPlotColor[2] = RGB(255, 100, 255); /* see also SetPlotColor */
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this->m_crPlotColor[3] = RGB(255, 255, 100); /* see also SetPlotColor */
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/* protected variables */
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for (i = 0; i < MAX_PLOTS; i++)
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{
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this->m_penPlot[i] = CreatePen(PS_SOLID, 0, this->m_crPlotColor[i]);
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}
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this->m_brushBack = CreateSolidBrush(this->m_crBackColor);
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/* public member variables, can be set directly */
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strcpy(this->m_strXUnitsString, "Samples"); /* can also be set with SetXUnits */
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strcpy(this->m_strYUnitsString, "Y units"); /* can also be set with SetYUnits */
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/* protected bitmaps to restore the memory DC's */
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this->m_bitmapOldGrid = NULL;
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this->m_bitmapOldPlot = NULL;
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}
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#if 0
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TGraphCtrl::~TGraphCtrl()
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{
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/* just to be picky restore the bitmaps for the two memory dc's */
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/* (these dc's are being destroyed so there shouldn't be any leaks) */
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if (m_bitmapOldGrid != NULL) SelectObject(m_dcGrid, m_bitmapOldGrid);
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if (m_bitmapOldPlot != NULL) SelectObject(m_dcPlot, m_bitmapOldPlot);
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if (m_bitmapGrid != NULL) DeleteObject(m_bitmapGrid);
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if (m_bitmapPlot != NULL) DeleteObject(m_bitmapPlot);
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if (m_dcGrid != NULL) DeleteDC(m_dcGrid);
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if (m_dcPlot != NULL) DeleteDC(m_dcPlot);
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if (m_brushBack != NULL) DeleteObject(m_brushBack);
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}
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#endif
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BOOL GraphCtrl_Create(TGraphCtrl* this, HWND hWnd, HWND hParentWnd, UINT nID)
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{
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BOOL result = 0;
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GraphCtrl_Init(this);
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this->m_hParentWnd = hParentWnd;
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this->m_hWnd = hWnd;
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GraphCtrl_Resize(this);
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if (result != 0)
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GraphCtrl_InvalidateCtrl(this);
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return result;
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}
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void GraphCtrl_SetRange(TGraphCtrl* this, double dLower, double dUpper, int nDecimalPlaces)
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{
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/* ASSERT(dUpper > dLower); */
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this->m_dLowerLimit = dLower;
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this->m_dUpperLimit = dUpper;
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this->m_nYDecimals = nDecimalPlaces;
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this->m_dRange = this->m_dUpperLimit - this->m_dLowerLimit;
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this->m_dVerticalFactor = (double)this->m_nPlotHeight / this->m_dRange;
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/* clear out the existing garbage, re-start with a clean plot */
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GraphCtrl_InvalidateCtrl(this);
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}
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#if 0
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void TGraphCtrl::SetXUnits(const char* string)
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{
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strncpy(m_strXUnitsString, string, sizeof(m_strXUnitsString) - 1);
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/* clear out the existing garbage, re-start with a clean plot */
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InvalidateCtrl();
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}
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void TGraphCtrl::SetYUnits(const char* string)
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{
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strncpy(m_strYUnitsString, string, sizeof(m_strYUnitsString) - 1);
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/* clear out the existing garbage, re-start with a clean plot */
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InvalidateCtrl();
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}
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#endif
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void GraphCtrl_SetGridColor(TGraphCtrl* this, COLORREF color)
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{
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this->m_crGridColor = color;
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/* clear out the existing garbage, re-start with a clean plot */
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GraphCtrl_InvalidateCtrl(this);
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}
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void GraphCtrl_SetPlotColor(TGraphCtrl* this, int plot, COLORREF color)
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{
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this->m_crPlotColor[plot] = color;
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DeleteObject(this->m_penPlot[plot]);
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this->m_penPlot[plot] = CreatePen(PS_SOLID, 0, this->m_crPlotColor[plot]);
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/* clear out the existing garbage, re-start with a clean plot */
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GraphCtrl_InvalidateCtrl(this);
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}
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void GraphCtrl_SetBackgroundColor(TGraphCtrl* this, COLORREF color)
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{
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this->m_crBackColor = color;
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DeleteObject(this->m_brushBack);
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this->m_brushBack = CreateSolidBrush(this->m_crBackColor);
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/* clear out the existing garbage, re-start with a clean plot */
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GraphCtrl_InvalidateCtrl(this);
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}
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void GraphCtrl_InvalidateCtrl(TGraphCtrl* this)
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{
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/* There is a lot of drawing going on here - particularly in terms of */
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/* drawing the grid. Don't panic, this is all being drawn (only once) */
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/* to a bitmap. The result is then BitBlt'd to the control whenever needed. */
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int i, j;
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int nCharacters;
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int nTopGridPix, nMidGridPix, nBottomGridPix;
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HPEN oldPen;
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HPEN solidPen = CreatePen(PS_SOLID, 0, this->m_crGridColor);
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/* HFONT axisFont, yUnitFont, oldFont; */
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/* char strTemp[50]; */
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/* in case we haven't established the memory dc's */
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/* CClientDC dc(this); */
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HDC dc = GetDC(this->m_hParentWnd);
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/* if we don't have one yet, set up a memory dc for the grid */
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if (this->m_dcGrid == NULL)
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{
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this->m_dcGrid = CreateCompatibleDC(dc);
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this->m_bitmapGrid = CreateCompatibleBitmap(dc, this->m_nClientWidth, this->m_nClientHeight);
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this->m_bitmapOldGrid = (HBITMAP)SelectObject(this->m_dcGrid, this->m_bitmapGrid);
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}
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SetBkColor(this->m_dcGrid, this->m_crBackColor);
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/* fill the grid background */
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FillRect(this->m_dcGrid, &this->m_rectClient, this->m_brushBack);
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/* draw the plot rectangle: */
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/* determine how wide the y axis scaling values are */
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nCharacters = abs((int)log10(fabs(this->m_dUpperLimit)));
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nCharacters = max(nCharacters, abs((int)log10(fabs(this->m_dLowerLimit))));
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/* add the units digit, decimal point and a minus sign, and an extra space */
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/* as well as the number of decimal places to display */
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nCharacters = nCharacters + 4 + this->m_nYDecimals;
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/* adjust the plot rectangle dimensions */
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/* assume 6 pixels per character (this may need to be adjusted) */
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/* m_rectPlot.left = m_rectClient.left + 6*(nCharacters); */
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this->m_rectPlot.left = this->m_rectClient.left;
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this->m_nPlotWidth = this->m_rectPlot.right - this->m_rectPlot.left;/* m_rectPlot.Width(); */
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/* draw the plot rectangle */
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oldPen = (HPEN)SelectObject(this->m_dcGrid, solidPen);
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MoveToEx(this->m_dcGrid, this->m_rectPlot.left, this->m_rectPlot.top, NULL);
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LineTo(this->m_dcGrid, this->m_rectPlot.right+1, this->m_rectPlot.top);
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LineTo(this->m_dcGrid, this->m_rectPlot.right+1, this->m_rectPlot.bottom+1);
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LineTo(this->m_dcGrid, this->m_rectPlot.left, this->m_rectPlot.bottom+1);
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/* LineTo(m_dcGrid, m_rectPlot.left, m_rectPlot.top); */
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SelectObject(this->m_dcGrid, oldPen);
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DeleteObject(solidPen);
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/* draw the dotted lines,
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* use SetPixel instead of a dotted pen - this allows for a
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* finer dotted line and a more "technical" look
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*/
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nMidGridPix = (this->m_rectPlot.top + this->m_rectPlot.bottom)/2;
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nTopGridPix = nMidGridPix - this->m_nPlotHeight/4;
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nBottomGridPix = nMidGridPix + this->m_nPlotHeight/4;
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for (i=this->m_rectPlot.left; i<this->m_rectPlot.right; i+=2)
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{
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SetPixel(this->m_dcGrid, i, nTopGridPix, this->m_crGridColor);
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SetPixel(this->m_dcGrid, i, nMidGridPix, this->m_crGridColor);
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SetPixel(this->m_dcGrid, i, nBottomGridPix, this->m_crGridColor);
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}
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for (i=this->m_rectPlot.left; i<this->m_rectPlot.right; i+=10)
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{
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for (j=this->m_rectPlot.top; j<this->m_rectPlot.bottom; j+=2)
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{
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SetPixel(this->m_dcGrid, i, j, this->m_crGridColor);
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/* SetPixel(m_dcGrid, i, j, m_crGridColor); */
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/* SetPixel(m_dcGrid, i, j, m_crGridColor); */
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}
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}
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#if 0
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/* create some fonts (horizontal and vertical) */
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/* use a height of 14 pixels and 300 weight */
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/* (these may need to be adjusted depending on the display) */
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axisFont = CreateFont (14, 0, 0, 0, 300,
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FALSE, FALSE, 0, ANSI_CHARSET,
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OUT_DEFAULT_PRECIS,
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CLIP_DEFAULT_PRECIS,
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DEFAULT_QUALITY,
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DEFAULT_PITCH|FF_SWISS, "Arial");
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yUnitFont = CreateFont (14, 0, 900, 0, 300,
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FALSE, FALSE, 0, ANSI_CHARSET,
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OUT_DEFAULT_PRECIS,
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CLIP_DEFAULT_PRECIS,
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DEFAULT_QUALITY,
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DEFAULT_PITCH|FF_SWISS, "Arial");
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/* grab the horizontal font */
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oldFont = (HFONT)SelectObject(m_dcGrid, axisFont);
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/* y max */
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SetTextColor(m_dcGrid, m_crGridColor);
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SetTextAlign(m_dcGrid, TA_RIGHT|TA_TOP);
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sprintf(strTemp, "%.*lf", m_nYDecimals, m_dUpperLimit);
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TextOut(m_dcGrid, m_rectPlot.left-4, m_rectPlot.top, strTemp, _tcslen(strTemp));
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/* y min */
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SetTextAlign(m_dcGrid, TA_RIGHT|TA_BASELINE);
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sprintf(strTemp, "%.*lf", m_nYDecimals, m_dLowerLimit);
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TextOut(m_dcGrid, m_rectPlot.left-4, m_rectPlot.bottom, strTemp, _tcslen(strTemp));
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/* x min */
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SetTextAlign(m_dcGrid, TA_LEFT|TA_TOP);
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TextOut(m_dcGrid, m_rectPlot.left, m_rectPlot.bottom+4, "0", 1);
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/* x max */
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SetTextAlign(m_dcGrid, TA_RIGHT|TA_TOP);
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sprintf(strTemp, "%d", m_nPlotWidth/m_nShiftPixels);
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TextOut(m_dcGrid, m_rectPlot.right, m_rectPlot.bottom+4, strTemp, _tcslen(strTemp));
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/* x units */
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SetTextAlign(m_dcGrid, TA_CENTER|TA_TOP);
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TextOut(m_dcGrid, (m_rectPlot.left+m_rectPlot.right)/2,
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m_rectPlot.bottom+4, m_strXUnitsString, _tcslen(m_strXUnitsString));
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/* restore the font */
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SelectObject(m_dcGrid, oldFont);
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/* y units */
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oldFont = (HFONT)SelectObject(m_dcGrid, yUnitFont);
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SetTextAlign(m_dcGrid, TA_CENTER|TA_BASELINE);
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TextOut(m_dcGrid, (m_rectClient.left+m_rectPlot.left)/2,
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(m_rectPlot.bottom+m_rectPlot.top)/2, m_strYUnitsString, _tcslen(m_strYUnitsString));
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SelectObject(m_dcGrid, oldFont);
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#endif
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/* at this point we are done filling the the grid bitmap, */
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/* no more drawing to this bitmap is needed until the setting are changed */
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/* if we don't have one yet, set up a memory dc for the plot */
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if (this->m_dcPlot == NULL)
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{
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this->m_dcPlot = CreateCompatibleDC(dc);
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this->m_bitmapPlot = CreateCompatibleBitmap(dc, this->m_nClientWidth, this->m_nClientHeight);
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this->m_bitmapOldPlot = (HBITMAP)SelectObject(this->m_dcPlot, this->m_bitmapPlot);
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}
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/* make sure the plot bitmap is cleared */
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SetBkColor(this->m_dcPlot, this->m_crBackColor);
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FillRect(this->m_dcPlot, &this->m_rectClient, this->m_brushBack);
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/* finally, force the plot area to redraw */
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InvalidateRect(this->m_hParentWnd, &this->m_rectClient, TRUE);
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ReleaseDC(this->m_hParentWnd, dc);
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}
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double GraphCtrl_AppendPoint(TGraphCtrl* this,
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double dNewPoint0, double dNewPoint1,
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double dNewPoint2, double dNewPoint3)
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||
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{
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/* append a data point to the plot & return the previous point */
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||
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double dPrevious;
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dPrevious = this->m_dCurrentPosition[0];
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this->m_dCurrentPosition[0] = dNewPoint0;
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this->m_dCurrentPosition[1] = dNewPoint1;
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this->m_dCurrentPosition[2] = dNewPoint2;
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this->m_dCurrentPosition[3] = dNewPoint3;
|
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GraphCtrl_DrawPoint(this);
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/* Invalidate(); */
|
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return dPrevious;
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}
|
||
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|
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void GraphCtrl_Paint(TGraphCtrl* this, HWND hWnd, HDC dc)
|
||
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{
|
||
|
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);
|
||
|
}
|