WIDGET_Edit.c

00001 /*********************************************************************
00002 *                SEGGER Microcontroller GmbH                         *
00003 *        Solutions for real time microcontroller applications        *
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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_Edit.c
00041 Purpose     : Example demonstrating the use of a EDIT widget
00042 Requirements: WindowManager - (x)
00043               MemoryDevices - ( )
00044               AntiAliasing  - ( )
00045               VNC-Server    - ( )
00046               PNG-Library   - ( )
00047               TrueTypeFonts - ( )
00048 ----------------------------------------------------------------------
00049 */
00050 #include "GUI.h"
00051 #include "EDIT.h"
00052 
00053 /*********************************************************************
00054 *
00055 *       Defines
00056 *
00057 **********************************************************************
00058 */
00059 #define WM_APP_SHOW_TEXT (WM_USER + 0)
00060 #define TEXT_MAXLEN      40
00061 
00062 //
00063 // Recommended memory to run the sample with adequate performance
00064 //
00065 #define RECOMMENDED_MEMORY (1024L * 5)
00066 
00067 /*********************************************************************
00068 *
00069 *       Static code
00070 *
00071 **********************************************************************
00072 */
00073 /*********************************************************************
00074 *
00075 *       _cbBk
00076 */
00077 static void _cbBk(WM_MESSAGE * pMsg) {
00078   static WM_HWIN hEdit;
00079   static U8      ShowText;
00080   char           aBuffer[TEXT_MAXLEN];
00081 
00082   switch (pMsg->MsgId) {
00083   case WM_PAINT:
00084     GUI_SetBkColor(GUI_DARKGRAY);
00085     GUI_Clear();
00086     GUI_SetFont(&GUI_Font24_ASCII);
00087     GUI_DispStringHCenterAt("WIDGET_Edit - Sample", 160, 5);
00088     GUI_SetFont(&GUI_Font8x16);
00089     if (ShowText) {
00090       GUI_DispStringHCenterAt("The string you have modified is:", 160, 90);
00091       EDIT_GetText(hEdit, aBuffer, TEXT_MAXLEN);
00092       GUI_DispStringHCenterAt(aBuffer, 160, 110);
00093     } else {
00094       GUI_DispStringHCenterAt("Use keyboard to modify string...", 160, 90);
00095     }
00096     break;
00097   case WM_APP_SHOW_TEXT:
00098     if (hEdit == 0) {
00099       hEdit = pMsg->hWinSrc;
00100     }
00101     WM_HideWindow(hEdit);
00102     ShowText = 1;
00103     WM_InvalidateWindow(WM_HBKWIN);
00104     WM_CreateTimer(WM_HBKWIN, 0, 3000, 0);
00105     break;
00106   case WM_TIMER:
00107     ShowText = 0;
00108     WM_InvalidateWindow(WM_HBKWIN);
00109     WM_ShowWindow(hEdit);
00110     break;
00111   default:
00112     WM_DefaultProc(pMsg);
00113   }
00114 }
00115 
00116 /*********************************************************************
00117 *
00118 *       _cbEdit
00119 */
00120 static void _cbEdit(WM_MESSAGE * pMsg) {
00121   const WM_KEY_INFO * pInfo;
00122   WM_MESSAGE          Msg;
00123 
00124   switch (pMsg->MsgId) {
00125   case WM_KEY:
00126     pInfo = (WM_KEY_INFO *)pMsg->Data.p;
00127     if (pInfo->Key == GUI_KEY_ENTER) {
00128       if (pInfo->PressedCnt == 0) {
00129         Msg.MsgId   = WM_APP_SHOW_TEXT;
00130         Msg.hWinSrc = pMsg->hWin;
00131         WM_SendMessage(WM_HBKWIN, &Msg);
00132         return;
00133       }
00134     }
00135   }
00136   EDIT_Callback(pMsg);
00137 }
00138 
00139 /*********************************************************************
00140 *
00141 *       Public code
00142 *
00143 **********************************************************************
00144 */
00145 /*********************************************************************
00146 *
00147 *       MainTask
00148 */
00149 void MainTask(void) {
00150   EDIT_Handle hEdit;
00151 
00152   GUI_Init();
00153   //
00154   // Check if recommended memory for the sample is available
00155   //
00156   if (GUI_ALLOC_GetNumFreeBytes() < RECOMMENDED_MEMORY) {
00157     GUI_ErrorOut("Not enough memory available."); 
00158     return;
00159   }
00160   WM_SetCallback(WM_HBKWIN, _cbBk);
00161   hEdit = EDIT_CreateEx(50, 110, 220, 25, WM_HBKWIN, WM_CF_SHOW, 0, GUI_ID_EDIT0, TEXT_MAXLEN);
00162   WM_SetCallback(hEdit, _cbEdit);
00163   EDIT_SetText(hEdit, "Press <ENTER> when done...");
00164   EDIT_SetFont(hEdit, &GUI_Font8x16);
00165   EDIT_SetTextColor(hEdit, 0, GUI_RED);
00166   EDIT_EnableBlink(hEdit, 300, 1);
00167   WM_SetFocus(hEdit);
00168   while (1) {
00169     GUI_Delay(10);
00170   }
00171 }
00172 
00173 /*************************** End of file ****************************/