programs/taskmgr/graphctl.h

   1 /*
   2  *  ReactOS Task Manager
   3  *
   4  *  graphctl.h
   5  *
   6  *  Copyright (C) 2002  Robert Dickenson <robd@reactos.org>
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #ifndef __GRAPH_CTRL_H__
  24 #define __GRAPH_CTRL_H__
  25
  26 #define MAX_PLOTS 4
  27 #define MAX_CTRLS 4
  28
  29 #ifdef __cplusplus
  30 extern "C" {
  31 #endif
  32
  33 #if 0
  34
  35 /* Attributes */
  36 public:
  37   void SetXUnits(const char* string);
  38   void SetYUnits(const char* string);
  39
  40   /* Operations */
  41 public:
  42   BOOL Create(DWORD dwStyle, const RECT& rect, HWND hParentWnd, UINT nID=NULL);
  43
  44 #endif
  45
  46 typedef struct
  47 {
  48   int m_nShiftPixels;          /* amount to shift with each new point */
  49   int m_nYDecimals;
  50
  51   char m_strXUnitsString[50];
  52   char m_strYUnitsString[50];
  53
  54   COLORREF m_crBackColor;                 /* background color */
  55   COLORREF m_crGridColor;                 /* grid color */
  56   COLORREF m_crPlotColor[MAX_PLOTS];      /* data color   */
  57
  58   double m_dCurrentPosition[MAX_PLOTS];   /* current position */
  59   double m_dPreviousPosition[MAX_PLOTS];  /* previous position */
  60
  61 /* those were protected fields */
  62   int m_nHalfShiftPixels;
  63   int m_nPlotShiftPixels;
  64   int m_nClientHeight;
  65   int m_nClientWidth;
  66   int m_nPlotHeight;
  67   int m_nPlotWidth;
  68
  69   double m_dLowerLimit;        /* lower bounds */
  70   double m_dUpperLimit;        /* upper bounds */
  71   double m_dRange;
  72   double m_dVerticalFactor;
  73
  74   HWND     m_hWnd;
  75   HWND     m_hParentWnd;
  76   HDC      m_dcGrid;
  77   HDC      m_dcPlot;
  78   HBITMAP  m_bitmapOldGrid;
  79   HBITMAP  m_bitmapOldPlot;
  80   HBITMAP  m_bitmapGrid;
  81   HBITMAP  m_bitmapPlot;
  82   HBRUSH   m_brushBack;
  83   HPEN     m_penPlot[MAX_PLOTS];
  84   RECT     m_rectClient;
  85   RECT     m_rectPlot;
  86 } TGraphCtrl;
  87
  88 extern WNDPROC OldGraphCtrlWndProc;
  89 double  GraphCtrl_AppendPoint(TGraphCtrl* this,
  90                               double dNewPoint0, double dNewPoint1,
  91                               double dNewPoint2, double dNewPoint3);
  92 BOOL    GraphCtrl_Create(TGraphCtrl* this, HWND hWnd, HWND hParentWnd,
  93 UINT nID);
  94 void    GraphCtrl_DrawPoint(TGraphCtrl* this);
  95 void    GraphCtrl_InvalidateCtrl(TGraphCtrl* this);
  96 void    GraphCtrl_Paint(TGraphCtrl* this, HWND hWnd, HDC dc);
  97 void    GraphCtrl_Reset(TGraphCtrl* this);
  98 void    GraphCtrl_Resize(TGraphCtrl* this);
  99 void    GraphCtrl_SetBackgroundColor(TGraphCtrl* this, COLORREF
 100 color);
 101 void    GraphCtrl_SetGridColor(TGraphCtrl* this, COLORREF color);
 102 void    GraphCtrl_SetPlotColor(TGraphCtrl* this, int plot, COLORREF
 103 color);
 104 void    GraphCtrl_SetRange(TGraphCtrl* this, double dLower, double
 105 dUpper, int nDecimalPlaces);
 106
 107 INT_PTR CALLBACK GraphCtrl_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
 108
 109 #ifdef __cplusplus
 110 }
 111 #endif
 112
 113 #endif /* __GRAPH_CTRL_H__ */