WIDGET_ProgbarCustomSkin.c

00001 /*********************************************************************
00002 *                SEGGER Microcontroller GmbH                         *
00003 *        Solutions for real time microcontroller applications        *
00004 **********************************************************************
00005 *                                                                    *
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00007 *                                                                    *
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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_ProgbarCustomSkin.c
00041 Purpose     : Example demonstrating the LISTBOX widget
00042 Requirements: WindowManager - (x)
00043               MemoryDevices - ( )
00044               AntiAliasing  - ( )
00045               VNC-Server    - ( )
00046               PNG-Library   - ( )
00047               TrueTypeFonts - ( )
00048 ----------------------------------------------------------------------
00049 */
00050 #include "DIALOG.h"
00051 
00052 /*********************************************************************
00053 *
00054 *       Defines
00055 *
00056 **********************************************************************
00057 */
00058 #define RR_ADD  1   // Value which needs to substracted of a rounded rect to fit into a window
00059 #define RADIUS  20  // Radius used for the rounded rects
00060 
00061 /*********************************************************************
00062 *
00063 *       Static code
00064 *
00065 **********************************************************************
00066 */
00067 /*********************************************************************
00068 *
00069 *       _CustomSkin
00070 *
00071 *  Function description
00072 *    This function handles the drawing of the PROGBAR widget.
00073 *
00074 *  Parameters
00075 *    pDrawItemInfo - A WIDGET_ITEM_DRAW_INFO structure which contains
00076 *                    information about the window which should be drawn,
00077 *                    which part and the properties of this part.
00078 */
00079 static int _CustomSkin(const WIDGET_ITEM_DRAW_INFO * pDrawItemInfo) {
00080   GUI_RECT                Rect;
00081   GUI_RECT                UserRect;
00082 
00083   switch (pDrawItemInfo->Cmd) {
00084   case WIDGET_ITEM_CREATE:
00085     return PROGBAR_DrawSkinFlex(pDrawItemInfo);
00086   case WIDGET_ITEM_DRAW_BACKGROUND:
00087     //
00088     // Receive the area of the PROGBAR widget
00089     //
00090     WM_GetClientRectEx(pDrawItemInfo->hWin, &Rect);
00091     //
00092     // Adapt the rectangle to be used for rounded rects
00093     //
00094     Rect.x0 += RR_ADD;
00095     Rect.y0 += RR_ADD;
00096     Rect.x1 -= RR_ADD;
00097     Rect.y1 -= RR_ADD;
00098     //
00099     // Draw a green rounded rect over the complete area, this gets (partially) overwritten by a white one
00100     //
00101     GUI_SetColor(GUI_GREEN);
00102     GUI_FillRoundedRect(Rect.x0, Rect.y0, Rect.x1, Rect.y1, RADIUS);
00103     //
00104     // Set a user cliprect
00105     //
00106     UserRect.x0 = pDrawItemInfo->x0;
00107     UserRect.y0 = pDrawItemInfo->y0;
00108     UserRect.x1 = pDrawItemInfo->x1;
00109     UserRect.y1 = pDrawItemInfo->y1;
00110     WM_SetUserClipRect(&UserRect);
00111     //
00112     // Draw a white rounded rect over the whole PROGBAR area, but the drawing will be visible only in
00113     // the area of the cliprect. The size of the cliprect will decrease over time and the white rect
00114     // will get smaller.
00115     //
00116     GUI_SetColor(GUI_WHITE);
00117     GUI_FillRoundedRect(Rect.x0, Rect.y0, Rect.x1, Rect.y1, RADIUS);
00118     //
00119     // Very important, restore the the clipping area
00120     //
00121     WM_SetUserClipRect(NULL);
00122     //
00123     // Almost done, just a draw a red frame over the whole area
00124     //
00125     GUI_SetColor(GUI_RED);
00126     GUI_DrawRoundedRect(Rect.x0, Rect.y0, Rect.x1, Rect.y1, RADIUS);
00127     return 0;
00128   case WIDGET_ITEM_DRAW_FRAME:
00129     //
00130     // We handle the frame on our own, so we return 0
00131     //
00132     return 0;
00133   case WIDGET_ITEM_DRAW_TEXT:
00134     //
00135     // Handle the drawing of the text by the default skinning routine.
00136     // This case could be commented. Just left it here to show this command
00137     // is available.
00138     //
00139     return PROGBAR_DrawSkinFlex(pDrawItemInfo);
00140   default:
00141     //
00142     // Anything not handled here will be handled by the default skinning routine.
00143     //
00144     return PROGBAR_DrawSkinFlex(pDrawItemInfo);
00145   }
00146 }
00147 
00148 /*********************************************************************
00149 *
00150 *       Public code
00151 *
00152 **********************************************************************
00153 */
00154 /*********************************************************************
00155 *
00156 *       MainTask
00157 */
00158 void MainTask(void) {
00159   PROGBAR_Handle hProg;
00160   int            Min;
00161   int            Max;
00162   int            Value;
00163 
00164   //
00165   // Set up some variables
00166   //
00167   Min   = 0;
00168   Max   = 100;
00169   Value = Min;
00170   //
00171   // Enable automatic use of memory devices
00172   //
00173   WM_SetCreateFlags(WM_CF_MEMDEV);
00174   //
00175   // Initialize GUI
00176   //
00177   GUI_Init();
00178   //
00179   // Set back ground color for the desktop window
00180   //
00181   WM_SetDesktopColor(GUI_BLACK);
00182   //
00183   // Create a progressbar
00184   //
00185   hProg = PROGBAR_CreateEx(10, 10, 150, 100, WM_HBKWIN, WM_CF_SHOW, PROGBAR_CF_HORIZONTAL, 0);
00186   //
00187   // Set minimal and maximal value of the PROGBAR widget
00188   //
00189   PROGBAR_SetMinMax(hProg, Min, Max);
00190   //
00191   // Set a custom skin, see above
00192   //
00193   PROGBAR_SetSkin(hProg, _CustomSkin);
00194   //
00195   // Set back ground of the PROGBAR widget to invisible
00196   //
00197   WM_SetHasTrans(hProg);
00198   while (1) {
00199     PROGBAR_SetValue(hProg, Value);
00200     Value++;
00201     if (Value > Max) {
00202       Value = Min;
00203     }
00204     GUI_Delay(50);
00205   }
00206 }
00207 
00208 /*************************** End of file ****************************/