WIDGET_GraphXY.c

00001 /*********************************************************************
00002 *                SEGGER Microcontroller GmbH                         *
00003 *        Solutions for real time microcontroller applications        *
00004 **********************************************************************
00005 *                                                                    *
00006 *        (c) 1996 - 2018  SEGGER Microcontroller GmbH                *
00007 *                                                                    *
00008 *        Internet: www.segger.com    Support:  support@segger.com    *
00009 *                                                                    *
00010 **********************************************************************
00011 
00012 ** emWin V5.48 - Graphical user interface for embedded applications **
00013 All  Intellectual Property rights  in the Software belongs to  SEGGER.
00014 emWin is protected by  international copyright laws.  Knowledge of the
00015 source code may not be used to write a similar product.  This file may
00016 only be used in accordance with the following terms:
00017 
00018 The software  has been licensed to  Cypress Semiconductor Corporation,
00019 whose registered  office is situated  at 198 Champion Ct. San Jose, CA 
00020 95134 USA  solely for the  purposes of creating  libraries for Cypress
00021 PSoC3 and  PSoC5 processor-based devices,  sublicensed and distributed
00022 under  the  terms  and  conditions  of  the  Cypress  End User License
00023 Agreement.
00024 Full source code is available at: www.segger.com
00025 
00026 We appreciate your understanding and fairness.
00027 ----------------------------------------------------------------------
00028 Licensing information
00029 Licensor:                 SEGGER Microcontroller Systems LLC
00030 Licensed to:              Cypress Semiconductor Corp, 198 Champion Ct., San Jose, CA 95134, USA
00031 Licensed SEGGER software: emWin
00032 License number:           GUI-00319
00033 License model:            Services and License Agreement, signed June 10th, 2009
00034 Licensed platform:        Any Cypress platform (Initial targets are: PSoC3, PSoC5)
00035 ----------------------------------------------------------------------
00036 Support and Update Agreement (SUA)
00037 SUA period:               2009-06-12 - 2022-07-27
00038 Contact to extend SUA:    sales@segger.com
00039 ----------------------------------------------------------------------
00040 File        : WIDGET_GraphXY.c
00041 Purpose     : Demonstrates the use of the GRAPH widget
00042 Requirements: WindowManager - (x)
00043               MemoryDevices - (x)
00044               AntiAliasing  - ( )
00045               VNC-Server    - ( )
00046               PNG-Library   - ( )
00047               TrueTypeFonts - ( )
00048 ----------------------------------------------------------------------
00049 */
00050 #include <stdlib.h>
00051 #include <string.h>
00052 #include <math.h>
00053 
00054 #include "DIALOG.h"
00055 #include "GRAPH.h"
00056 
00057 /*********************************************************************
00058 *
00059 *       Defines
00060 *
00061 **********************************************************************
00062 */
00063 #define PI 3.1415926f
00064 #define DEG2RAD (PI / 180)
00065 
00066 //
00067 // Recommended memory to run the sample with adequate performance
00068 //
00069 #define RECOMMENDED_MEMORY (1024L * 20)
00070 
00071 /*********************************************************************
00072 *
00073 *       Static data
00074 *
00075 **********************************************************************
00076 */
00077 static GUI_CONST_STORAGE GUI_COLOR Colors[] = {
00078      GUI_MAKE_COLOR(0xFFFFFF), GUI_MAKE_COLOR(0x0000AA)
00079 };
00080 
00081 static GUI_CONST_STORAGE GUI_LOGPALETTE Pal = {
00082   2,    // number of entries
00083   1,    // Has transparency
00084   &Colors[0]
00085 };
00086 
00087 static GUI_CONST_STORAGE unsigned char acEnlarge[] = {
00088   _______X, X_______,
00089   ______XX, XX______,
00090   _____XXX, XXX_____,
00091   _______X, X_______,
00092   __X____X, X____X__,
00093   _XX_____, _____XX_,
00094   XXXXX___, ___XXXXX,
00095   XXXXX___, ___XXXXX,
00096   _XX_____, _____XX_,
00097   __X____X, X____X__,
00098   _______X, X_______,
00099   _____XXX, XXX_____,
00100   ______XX, XX______,
00101   _______X, X_______
00102 };
00103 
00104 static GUI_CONST_STORAGE unsigned char acShrink[] = {
00105   _______X, X_______,
00106   _______X, X_______,
00107   _____XXX, XXX_____,
00108   ______XX, XX______,
00109   __X____X, X____X__,
00110   __XX____, ____XX__,
00111   XXXXX___, ___XXXXX,
00112   XXXXX___, ___XXXXX,
00113   __XX____, ____XX__,
00114   __X____X, X____X__,
00115   ______XX, XX______,
00116   _____XXX, XXX_____,
00117   _______X, X_______,
00118   _______X, X_______
00119 };
00120 
00121 static GUI_CONST_STORAGE GUI_BITMAP _bmEnlarge = {
00122   16,         // XSize
00123   14,         // YSize
00124   2,          // BytesPerLine
00125   1,          // BitsPerPixel
00126   acEnlarge,  // Pointer to picture data (indices)
00127   &Pal        // Pointer to palette
00128 };
00129 
00130 static GUI_CONST_STORAGE GUI_BITMAP _bmShrink = {
00131   16,        // XSize
00132   14,        // YSize
00133   2,         // BytesPerLine
00134   1,         // BitsPerPixel
00135   acShrink,  // Pointer to picture data (indices)
00136   &Pal       // Pointer to palette
00137 };
00138 
00139 static GRAPH_SCALE_Handle _hScaleV;   // Handle of vertical scale
00140 static GRAPH_SCALE_Handle _hScaleH;   // Handle of horizontal scale
00141 
00142 static const GUI_COLOR _aColor[3] = {GUI_RED, GUI_DARKGREEN, GUI_MAGENTA};
00143 static const U8 _aLStyle[3] = {GUI_LS_SOLID, GUI_LS_DOT, GUI_LS_DASH};
00144 
00145 //
00146 // Dialog ressource
00147 //
00148 static const GUI_WIDGET_CREATE_INFO _aDialogCreate[] = {
00149   { FRAMEWIN_CreateIndirect, "GRAPH_DATA_XY demo", 0                ,   0,   0, 320, 240, FRAMEWIN_CF_MOVEABLE },
00150   { GRAPH_CreateIndirect,     0,                   GUI_ID_GRAPH0    ,   5,   5, 265, 170 },
00151   { TEXT_CreateIndirect,      "Spacing X:",        0                ,   5, 180,  50,  20 },
00152   { TEXT_CreateIndirect,      "Spacing Y:",        0                ,   5, 200,  50,  20 },
00153   { SLIDER_CreateIndirect,    0,                   GUI_ID_SLIDER0   ,  55, 180,  60,  16 },
00154   { SLIDER_CreateIndirect,    0,                   GUI_ID_SLIDER1   ,  55, 200,  60,  16 },
00155   { CHECKBOX_CreateIndirect,  0,                   GUI_ID_CHECK8    , 120, 180,  50,   0 },
00156   { CHECKBOX_CreateIndirect,  0,                   GUI_ID_CHECK9    , 120, 200,  50,   0 },
00157   { RADIO_CreateIndirect,     0,                   GUI_ID_RADIO1    , 170, 175,  40,   0, 0, (13 << 8) | 3 },
00158   { TEXT_CreateIndirect,      "Border",            0                , 275,   5,  35,  15 },
00159   { CHECKBOX_CreateIndirect,  0,                   GUI_ID_CHECK2    , 275,  20,  35,   0 },
00160   { CHECKBOX_CreateIndirect,  0,                   GUI_ID_CHECK3    , 275,  40,  35,   0 },
00161   { CHECKBOX_CreateIndirect,  0,                   GUI_ID_CHECK4    , 275,  60,  35,   0 },
00162   { CHECKBOX_CreateIndirect,  0,                   GUI_ID_CHECK5    , 275,  80,  35,   0 },
00163   { TEXT_CreateIndirect,      "Effect",            0                , 275, 100,  35,  15 },
00164   { RADIO_CreateIndirect,     0,                   GUI_ID_RADIO0    , 270, 115,  35,   0, 0, (20 << 8) | 3 },
00165   { CHECKBOX_CreateIndirect,  0,                   GUI_ID_CHECK6    , 215, 180,  50,   0 },
00166   { CHECKBOX_CreateIndirect,  0,                   GUI_ID_CHECK7    , 215, 200,  50,   0 },
00167   { BUTTON_CreateIndirect,    "",                  GUI_ID_BUTTON0   , 270, 180,  36,  18 },
00168   { CHECKBOX_CreateIndirect,  0,                   GUI_ID_CHECK1    , 270, 200,  40,   0 },
00169 };
00170 
00171 //
00172 // Misc.
00173 //
00174 static int         _NumPoints;
00175 static const int   _aNumPoints[] = { 46, 25, 13 };
00176 static GUI_POINT   _aPoint[3][46];
00177 GRAPH_DATA_Handle  _ahDataXY[3];
00178 
00179 /*********************************************************************
00180 *
00181 *       Static code
00182 *
00183 **********************************************************************
00184 */
00185 /*********************************************************************
00186 *
00187 *       _InitPoints
00188 */
00189 static void _InitPoints(int NumPoints) {
00190   int i;
00191   int r;
00192   int m;
00193   
00194   _NumPoints = NumPoints;
00195   m = 360 / (_NumPoints - 1);
00196   r = 95;
00197   for (i = 0; i <= _NumPoints - 1; i++) {
00198     double Rad;
00199     int Deg;
00200     Deg = i * m;
00201     Rad = Deg * DEG2RAD;
00202     _aPoint[0][i].x = (int)(100 - r * cos(Rad));
00203     _aPoint[0][i].y = (int)(100 + r * sin(Rad) * Deg / 360);
00204     _aPoint[1][i].x = (int)(100 - r * cos(Rad));
00205     _aPoint[1][i].y = (int)(100 + r * sin(Rad) * Deg / 300);
00206     _aPoint[2][i].x = (int)(((100 - r * cos(Rad) * 0.9) * 10) / 10);
00207     _aPoint[2][i].y = (int)(100 + r * sin(Rad) * Deg / 320);
00208   }
00209 }
00210 
00211 /*********************************************************************
00212 *
00213 *       _OwnerDraw
00214 */
00215 static int _OwnerDraw(const WIDGET_ITEM_DRAW_INFO * pDrawItemInfo) {
00216   switch (pDrawItemInfo->Cmd) {
00217   case WIDGET_ITEM_DRAW:
00218     GUI_DrawRect(pDrawItemInfo->x0 - 3, pDrawItemInfo->y0 - 3, pDrawItemInfo->x0 + 3, pDrawItemInfo->y0 + 3);
00219     break;
00220   }
00221   return 0;
00222 }
00223 
00224 /*********************************************************************
00225 *
00226 *       _UserDraw
00227 *
00228 * Function description
00229 *   This routine is called by the GRAPH object before anything is drawn
00230 *   and after the last drawing operation.
00231 */
00232 static void _UserDraw(WM_HWIN hWin, int Stage) {
00233   if (Stage == GRAPH_DRAW_LAST) {
00234     char acText[] = "Flow Rate L/s";
00235     GUI_RECT Rect;
00236     GUI_RECT RectInvalid;
00237     int      FontSizeY;
00238 
00239     GUI_SetFont(&GUI_Font13_ASCII);
00240     FontSizeY = GUI_GetFontSizeY();
00241     WM_GetInsideRect(&Rect);
00242     WM_GetInvalidRect(hWin, &RectInvalid);
00243     Rect.x1 = Rect.x0 + FontSizeY;
00244     GUI_SetColor(GUI_RED);
00245     GUI_DispStringInRectEx(acText, &Rect, GUI_TA_HCENTER, strlen(acText), GUI_ROTATE_CCW);
00246   }
00247 }
00248 
00249 /*********************************************************************
00250 *
00251 *       _ForEach
00252 *
00253 * Function description
00254 *   This routine hides/shows all windows except the button, graph and scroll bar widgets
00255 */
00256 static void _ForEach(WM_HWIN hWin, void * pData) {
00257   int Id;
00258   int FullScreenMode;
00259 
00260   FullScreenMode = *(int *)pData;
00261   Id = WM_GetId(hWin);
00262   if ((Id == GUI_ID_GRAPH0) || (Id == GUI_ID_BUTTON0) || (Id == GUI_ID_VSCROLL) || (Id == GUI_ID_HSCROLL)) {
00263     return;
00264   }
00265   if (FullScreenMode) {
00266     WM_HideWindow(hWin);
00267   } else {
00268     WM_ShowWindow(hWin);
00269   }
00270 }
00271 
00272 /*********************************************************************
00273 *
00274 *       _ToggleFullScreenMode
00275 *
00276 * Function description
00277 *   This routine switches between full screen mode and normal mode by hiding or showing the
00278 *   widgets of the dialog, enlarging/shrinking the graph widget and modifying some other
00279 *   attributes of the dialog widgets.
00280 */
00281 static void _ToggleFullScreenMode(WM_HWIN hDlg) {
00282   static int      FullScreenMode;
00283   static GUI_RECT Rect;
00284   static unsigned ScalePos;
00285   WM_HWIN         hGraph;
00286   WM_HWIN         hButton;
00287 
00288   hGraph  = WM_GetDialogItem(hDlg, GUI_ID_GRAPH0);
00289   hButton = WM_GetDialogItem(hDlg, GUI_ID_BUTTON0);
00290   FullScreenMode ^= 1;
00291   if (FullScreenMode) {
00292     //
00293     // Enter the full screen mode
00294     //
00295     WM_HWIN  hClient;
00296     GUI_RECT RectInside;
00297 
00298     hClient = WM_GetClientWindow(hDlg);
00299     BUTTON_SetBitmapEx(hButton, BUTTON_BI_PRESSED,   &_bmShrink, 10, 2);
00300     BUTTON_SetBitmapEx(hButton, BUTTON_BI_UNPRESSED, &_bmShrink, 10, 2);
00301     WM_MoveWindow(hButton, 0, 11);
00302     FRAMEWIN_SetTitleVis(hDlg, 0);
00303     WM_GetInsideRectEx(hClient, &RectInside);
00304     WM_GetWindowRectEx(hGraph, &Rect);
00305     WM_ForEachDesc(hClient, _ForEach, &FullScreenMode); // Hide all descendants
00306     WM_SetWindowPos(hGraph, WM_GetWindowOrgX(hClient), WM_GetWindowOrgX(hClient), RectInside.x1, RectInside.y1);
00307     ScalePos = GRAPH_SCALE_SetPos(_hScaleH, RectInside.y1 - 105);
00308   } else {
00309     //
00310     // Return to normal mode
00311     //
00312     BUTTON_SetBitmapEx(hButton, BUTTON_BI_PRESSED,   &_bmEnlarge, 10, 2);
00313     BUTTON_SetBitmapEx(hButton, BUTTON_BI_UNPRESSED, &_bmEnlarge, 10, 2);
00314     WM_MoveWindow(hButton, 0, -11);
00315     WM_ForEachDesc(WM_GetClientWindow(hDlg), _ForEach, &FullScreenMode); // Show all descendants
00316     WM_SetWindowPos(hGraph, Rect.x0, Rect.y0, Rect.x1 - Rect.x0 + 1, Rect.y1 - Rect.y0 + 1);
00317     FRAMEWIN_SetTitleVis(hDlg, 1);
00318     GRAPH_SCALE_SetPos(_hScaleH, ScalePos);
00319   }
00320 }
00321 
00322 /*********************************************************************
00323 *
00324 *       _cbCallback
00325 *
00326 * Function description
00327 *   Callback function of the dialog
00328 */
00329 static void _cbCallback(WM_MESSAGE * pMsg) {
00330   int     NCode;
00331   int     Id;
00332   int     Value;
00333   int     i;
00334   int     j;
00335   WM_HWIN hDlg;
00336   WM_HWIN hItem;
00337 
00338   hDlg = pMsg->hWin;
00339   switch (pMsg->MsgId) {
00340   case WM_INIT_DIALOG:
00341     hItem = WM_GetDialogItem(hDlg, GUI_ID_GRAPH0);
00342     _InitPoints(_aNumPoints[0]);
00343     //
00344     // Add graphs
00345     //
00346     for (i = 0; i < 3; i++) {
00347       _ahDataXY[i] = GRAPH_DATA_XY_Create(_aColor[i], _NumPoints, _aPoint[i], _NumPoints);
00348       GRAPH_DATA_XY_SetLineStyle(_ahDataXY[i], _aLStyle[i]);
00349       GRAPH_AttachData(hItem, _ahDataXY[i]);
00350       GRAPH_DATA_XY_SetOwnerDraw(_ahDataXY[i], _OwnerDraw);
00351     }
00352     //
00353     // Set graph attributes
00354     //
00355     GRAPH_SetGridDistY(hItem, 25);
00356     GRAPH_SetGridVis(hItem, 1);
00357     GRAPH_SetUserDraw(hItem, _UserDraw);
00358     //
00359     // Create and add vertical scale
00360     //
00361     _hScaleV = GRAPH_SCALE_Create( 35, GUI_TA_RIGHT, GRAPH_SCALE_CF_VERTICAL, 25);
00362     GRAPH_SCALE_SetOff(_hScaleV, 100);
00363     GRAPH_SCALE_SetFactor(_hScaleV, 0.04f);
00364     GRAPH_SCALE_SetTextColor(_hScaleV, GUI_RED);
00365     GRAPH_AttachScale(hItem, _hScaleV);
00366     //
00367     // Create and add horizontal scale
00368     //
00369     _hScaleH = GRAPH_SCALE_Create(70, GUI_TA_HCENTER, GRAPH_SCALE_CF_HORIZONTAL, 50);
00370     GRAPH_SCALE_SetFactor(_hScaleH, 0.02f);
00371     GRAPH_SCALE_SetTextColor(_hScaleH, GUI_DARKGREEN);
00372     GRAPH_AttachScale(hItem, _hScaleH);
00373     //
00374     // Init check boxes
00375     //
00376     hItem = WM_GetDialogItem(hDlg, GUI_ID_CHECK2);
00377     CHECKBOX_SetText(hItem, "L");
00378     CHECKBOX_SetState(hItem, 1);
00379     hItem = WM_GetDialogItem(hDlg, GUI_ID_CHECK3);
00380     CHECKBOX_SetText(hItem, "T");
00381     hItem = WM_GetDialogItem(hDlg, GUI_ID_CHECK4);
00382     CHECKBOX_SetText(hItem, "R");
00383     hItem = WM_GetDialogItem(hDlg, GUI_ID_CHECK5);
00384     CHECKBOX_SetText(hItem, "B");
00385     hItem = WM_GetDialogItem(hDlg, GUI_ID_CHECK1);
00386     CHECKBOX_SetText(hItem, "Grid");
00387     CHECKBOX_SetState(hItem, 1);
00388     hItem = WM_GetDialogItem(hDlg, GUI_ID_CHECK6);
00389     CHECKBOX_SetText(hItem, "HScroll");
00390     hItem = WM_GetDialogItem(hDlg, GUI_ID_CHECK7);
00391     CHECKBOX_SetText(hItem, "VScroll");
00392     hItem = WM_GetDialogItem(hDlg, GUI_ID_CHECK8);
00393     CHECKBOX_SetText(hItem, "Lines");
00394     CHECKBOX_SetState(hItem, 1);
00395     hItem = WM_GetDialogItem(hDlg, GUI_ID_CHECK9);
00396     CHECKBOX_SetText(hItem, "Points");
00397     CHECKBOX_SetState(hItem, 1);
00398     //
00399     // Init slider widgets
00400     //
00401     hItem = WM_GetDialogItem(hDlg, GUI_ID_SLIDER0);
00402     SLIDER_SetRange(hItem, 0, 10);
00403     SLIDER_SetValue(hItem, 5);
00404     SLIDER_SetNumTicks(hItem, 6);
00405     hItem = WM_GetDialogItem(hDlg, GUI_ID_SLIDER1);
00406     SLIDER_SetRange(hItem, 0, 20);
00407     SLIDER_SetValue(hItem, 5);
00408     SLIDER_SetNumTicks(hItem, 6);
00409     //
00410     // Init radio widget
00411     //
00412     hItem = WM_GetDialogItem(hDlg, GUI_ID_RADIO0);
00413     RADIO_SetText(hItem, "3D", 0);
00414     RADIO_SetText(hItem, "flat", 1);
00415     RADIO_SetText(hItem, "-", 2);
00416     hItem = WM_GetDialogItem(hDlg, GUI_ID_RADIO1);
00417     RADIO_SetFont(hItem, &GUI_Font10_ASCII);
00418     RADIO_SetText(hItem, "fine", 0);
00419     RADIO_SetText(hItem, "med.", 1);
00420     RADIO_SetText(hItem, "raw",  2);
00421     RADIO_SetValue(hItem, 2);
00422     //
00423     // Init button widget
00424     //
00425     hItem = WM_GetDialogItem(hDlg, GUI_ID_BUTTON0);
00426     BUTTON_SetBitmapEx(hItem, BUTTON_BI_PRESSED,   &_bmEnlarge, 10, 2);
00427     BUTTON_SetBitmapEx(hItem, BUTTON_BI_UNPRESSED, &_bmEnlarge, 10, 2);
00428     WM_SetStayOnTop(hItem, 1);
00429     break;
00430   case WM_NOTIFY_PARENT:
00431     Id    = WM_GetId(pMsg->hWinSrc);      // Id of widget
00432     NCode = pMsg->Data.v;                 // Notification code
00433     switch (NCode) {
00434     case WM_NOTIFICATION_CLICKED:
00435       switch (Id) {
00436       case GUI_ID_BUTTON0:
00437         _ToggleFullScreenMode(hDlg);
00438         break;
00439       }
00440       break;
00441     case WM_NOTIFICATION_VALUE_CHANGED:
00442       switch (Id) {
00443       case GUI_ID_CHECK1:
00444         //
00445         // Toggle grid
00446         //
00447         hItem = WM_GetDialogItem(hDlg, GUI_ID_GRAPH0);
00448         GRAPH_SetGridVis(hItem, CHECKBOX_IsChecked(WM_GetDialogItem(hDlg, GUI_ID_CHECK1)));
00449         break;
00450       case GUI_ID_CHECK2:
00451       case GUI_ID_CHECK3:
00452       case GUI_ID_CHECK4:
00453       case GUI_ID_CHECK5:
00454         //
00455         // Toggle border
00456         //
00457         hItem = WM_GetDialogItem(hDlg, GUI_ID_GRAPH0);
00458         GRAPH_SetBorder(hItem, 
00459                         CHECKBOX_IsChecked(WM_GetDialogItem(hDlg, GUI_ID_CHECK2)) * 40, 
00460                         CHECKBOX_IsChecked(WM_GetDialogItem(hDlg, GUI_ID_CHECK3)) * 5, 
00461                         CHECKBOX_IsChecked(WM_GetDialogItem(hDlg, GUI_ID_CHECK4)) * 5, 
00462                         CHECKBOX_IsChecked(WM_GetDialogItem(hDlg, GUI_ID_CHECK5)) * 5);
00463         break;
00464       case GUI_ID_CHECK6:
00465         //
00466         // Toggle horizontal scroll bar
00467         //
00468         hItem = WM_GetDialogItem(hDlg, GUI_ID_GRAPH0);
00469         if (CHECKBOX_IsChecked(WM_GetDialogItem(hDlg, GUI_ID_CHECK6))) {
00470           GRAPH_SetVSizeX(hItem, 500);
00471         } else {
00472           GRAPH_SetVSizeX(hItem, 0);
00473         }
00474         break;
00475       case GUI_ID_CHECK7:
00476         //
00477         // Toggle vertical scroll bar
00478         //
00479         hItem = WM_GetDialogItem(hDlg, GUI_ID_GRAPH0);
00480         if (CHECKBOX_IsChecked(WM_GetDialogItem(hDlg, GUI_ID_CHECK7))) {
00481           GRAPH_SetVSizeY(hItem, 300);
00482         } else {
00483           GRAPH_SetVSizeY(hItem, 0);
00484         }
00485         break;
00486       case GUI_ID_CHECK8:
00487         Value = CHECKBOX_IsChecked(WM_GetDialogItem(hDlg, Id));
00488         for (i = 0; i < 3; i++) {
00489           GRAPH_DATA_XY_SetLineVis(_ahDataXY[i], Value);
00490         }
00491         break;
00492       case GUI_ID_CHECK9:
00493         Value = CHECKBOX_IsChecked(WM_GetDialogItem(hDlg, Id));
00494         for (i = 0; i < 3; i++) {
00495           GRAPH_DATA_XY_SetPointVis(_ahDataXY[i], Value);
00496         }
00497         break;
00498       case GUI_ID_SLIDER0:
00499         //
00500         // Set horizontal grid spacing
00501         //
00502         hItem = WM_GetDialogItem(hDlg, GUI_ID_GRAPH0);
00503         Value = SLIDER_GetValue(pMsg->hWinSrc) * 10;
00504         GRAPH_SetGridDistX(hItem, Value);
00505         GRAPH_SCALE_SetTickDist(_hScaleH, Value);
00506         if (Value != 50) {
00507           GRAPH_SCALE_SetNumDecs(_hScaleH, 1);
00508         } else {
00509           GRAPH_SCALE_SetNumDecs(_hScaleH, 0);
00510         }
00511         break;
00512       case GUI_ID_SLIDER1:
00513         //
00514         // Set vertical grid spacing
00515         //
00516         hItem = WM_GetDialogItem(hDlg, GUI_ID_GRAPH0);
00517         Value = SLIDER_GetValue(pMsg->hWinSrc) * 5;
00518         GRAPH_SetGridDistY(hItem, Value);
00519         GRAPH_SCALE_SetTickDist(_hScaleV, Value);
00520         if (Value != 25) {
00521           GRAPH_SCALE_SetNumDecs(_hScaleV, 1);
00522         } else {
00523           GRAPH_SCALE_SetNumDecs(_hScaleV, 0);
00524         }
00525         break;
00526       case GUI_ID_RADIO0:
00527         //
00528         // Set the widget effect
00529         //
00530         hItem = WM_GetDialogItem(hDlg, GUI_ID_GRAPH0);
00531         switch (RADIO_GetValue(pMsg->hWinSrc)) {
00532         case 0:
00533           WIDGET_SetEffect(hItem, &WIDGET_Effect_3D);
00534           break;
00535         case 1:
00536           WIDGET_SetEffect(hItem, &WIDGET_Effect_Simple);
00537           break;
00538         case 2:
00539           WIDGET_SetEffect(hItem, &WIDGET_Effect_None);
00540           break;
00541         }
00542         break;
00543       case GUI_ID_RADIO1:
00544         //
00545         // Set number of points
00546         //
00547         Value = _aNumPoints[RADIO_GetValue(pMsg->hWinSrc)];
00548         _InitPoints(Value);
00549         for (i = 0; i < 3; i++) {
00550           GRAPH_DATA_XY_Clear(_ahDataXY[i]);
00551           for (j = 0; j < _NumPoints; j++) {
00552             GRAPH_DATA_XY_AddPoint(_ahDataXY[i], &_aPoint[i][j]);
00553           }
00554         }
00555         break;
00556       }
00557       break;
00558     }
00559     break;
00560   default:
00561     WM_DefaultProc(pMsg);
00562   }
00563 }
00564 
00565 /*********************************************************************
00566 *
00567 *       Public code
00568 *
00569 **********************************************************************
00570 */
00571 /*********************************************************************
00572 *
00573 *       MainTask
00574 */
00575 void MainTask(void) {
00576 
00577   GUI_Init();
00578   //
00579   // Check if recommended memory for the sample is available
00580   //
00581   if (GUI_ALLOC_GetNumFreeBytes() < RECOMMENDED_MEMORY) {
00582     GUI_ErrorOut("Not enough memory available."); 
00583     return;
00584   }
00585   GUI_CURSOR_Show();
00586   WM_SetDesktopColor(GUI_BLACK);
00587   #if GUI_SUPPORT_MEMDEV
00588     WM_SetCreateFlags(WM_CF_MEMDEV);
00589   #endif
00590   GUI_CreateDialogBox(_aDialogCreate, GUI_COUNTOF(_aDialogCreate), _cbCallback, 0, 0, 0);
00591   while (1) {
00592     GUI_Delay(10);
00593   }
00594 }
00595 
00596 /*************************** End of file ****************************/