WIDGET_Checkbox.c

00001 /*********************************************************************
00002 *                SEGGER Microcontroller GmbH                         *
00003 *        Solutions for real time microcontroller applications        *
00004 **********************************************************************
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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
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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_CheckBox.c
00041 Purpose     : Example demonstrating the use of a CHECKBOX widget
00042 Requirements: WindowManager - (x)
00043               MemoryDevices - ( )
00044               AntiAliasing  - ( )
00045               VNC-Server    - ( )
00046               PNG-Library   - ( )
00047               TrueTypeFonts - ( )
00048 ----------------------------------------------------------------------
00049 */
00050 
00051 #include <stddef.h>
00052 #include "GUI.h"
00053 #include "DIALOG.h"
00054 #include "Main.h"
00055 
00056 //
00057 // Recommended memory to run the sample with adequate performance
00058 //
00059 #define RECOMMENDED_MEMORY (1024L * 10)
00060 
00061 /*********************************************************************
00062 *
00063 *       Static data
00064 *
00065 **********************************************************************
00066 */
00067 
00068 //
00069 // Dialog resource
00070 //
00071 static const GUI_WIDGET_CREATE_INFO _aDialogCreate[] = {
00072   { FRAMEWIN_CreateIndirect, "Check box sample",   0,   10,  10, 300, 220, FRAMEWIN_CF_MOVEABLE},
00073   { TEXT_CreateIndirect,     "Enabled:",           0,    5,  10, 120,   0 },
00074   { CHECKBOX_CreateIndirect, 0,        GUI_ID_CHECK0,    5,  30, 120,   0 },
00075   { CHECKBOX_CreateIndirect, 0,        GUI_ID_CHECK1,    5,  60, 120,   0 },
00076   { CHECKBOX_CreateIndirect, 0,        GUI_ID_CHECK2,    5,  90, 120,   20 },
00077   { CHECKBOX_CreateIndirect, 0,        GUI_ID_CHECK3,    5, 125, 120,   26 },
00078   { TEXT_CreateIndirect,     "Disabled:",          0,  150,  10, 120,   0 },
00079   { CHECKBOX_CreateIndirect, 0,        GUI_ID_CHECK4,  150,  30, 120,   0 },
00080   { CHECKBOX_CreateIndirect, 0,        GUI_ID_CHECK5,  150,  60, 120,   0 },
00081   { CHECKBOX_CreateIndirect, 0,        GUI_ID_CHECK6,  150,  90, 120,   26 },
00082   { CHECKBOX_CreateIndirect, 0,        GUI_ID_CHECK7,  150, 125, 120,   26 },
00083   { BUTTON_CreateIndirect,   "OK",         GUI_ID_OK,   10, 170,  60,  20 },
00084   { BUTTON_CreateIndirect,   "Cancel", GUI_ID_CANCEL,  225, 170,  60,  20 },
00085 };
00086 
00087 //
00088 // Check box text
00089 //
00090 static const char * _apLabel[] = {
00091   "Default",
00092   "3 States",
00093   "Box XL",
00094   "Box XXL"
00095 };
00096 
00097 /*********************************************************************
00098 *
00099 *       Static code
00100 *
00101 **********************************************************************
00102 */
00103 /*********************************************************************
00104 *
00105 *       _cbCallback
00106 */
00107 static void _cbCallback(WM_MESSAGE * pMsg) {
00108   WM_HWIN hDlg;
00109   WM_HWIN hItem;
00110   int     i;
00111   int     NCode;
00112   int     Id;
00113 
00114   hDlg = pMsg->hWin;
00115   switch (pMsg->MsgId) {
00116     case WM_INIT_DIALOG:
00117       WM_GetDialogItem(hDlg, GUI_ID_CHECK0);
00118       for (i = 0; i < 8; i++) {
00119         int Index = i % 4;
00120         hItem = WM_GetDialogItem(hDlg, GUI_ID_CHECK0 + i); // Get the handle of the desired checkbox
00121         CHECKBOX_SetText(hItem, _apLabel[Index]);          // Set the check box text
00122         switch (Index) {
00123         case 1:
00124           //
00125           // Set the number of possible states to 3
00126           //
00127           CHECKBOX_SetNumStates(hItem, 3);
00128           //
00129           // Use user defined bitmaps for the third state
00130           //
00131           CHECKBOX_SetImage(hItem, &_abmBar[0], CHECKBOX_BI_INACTIV_3STATE);  // Used if widget is disabled
00132           CHECKBOX_SetImage(hItem, &_abmBar[1], CHECKBOX_BI_ACTIV_3STATE);    // Used if widget is enabled
00133           CHECKBOX_SetState(hItem, 2);
00134           break;
00135         case 2:
00136           CHECKBOX_SetState(hItem, 1);
00137           //
00138           // Use user defined bitmaps for the 'checked' state
00139           //
00140           CHECKBOX_SetImage(hItem, &_abmXL[0], CHECKBOX_BI_INACTIV_CHECKED);  // Used if widget is disabled
00141           CHECKBOX_SetImage(hItem, &_abmXL[1], CHECKBOX_BI_ACTIV_CHECKED);    // Used if widget is enabled 
00142           CHECKBOX_SetFont(hItem, &GUI_FontComic18B_ASCII);
00143           break;
00144         case 3:
00145           CHECKBOX_SetState(hItem, 1);
00146           //
00147           // Use user defined bitmaps for the 'checked' state
00148           //
00149           CHECKBOX_SetImage(hItem, &_abmXXL[0], CHECKBOX_BI_INACTIV_CHECKED); // Used if widget is disabled
00150           CHECKBOX_SetImage(hItem, &_abmXXL[1], CHECKBOX_BI_ACTIV_CHECKED);   // Used if widget is enabled 
00151           CHECKBOX_SetFont(hItem, &GUI_FontComic24B_ASCII);
00152           break;
00153         }
00154         //
00155         // Disable all check boxes shown on the right side of the dialog
00156         //
00157         if (i >= 4) {
00158           WM_DisableWindow(hItem);
00159         }
00160       }
00161       break;
00162     case WM_NOTIFY_PARENT:
00163       Id    = WM_GetId(pMsg->hWinSrc);      // Id of widget
00164       NCode = pMsg->Data.v;                 // Notification code
00165       switch (NCode) {
00166         case WM_NOTIFICATION_RELEASED:      // React only if released
00167           if (Id == GUI_ID_OK) {            // OK Button
00168             GUI_EndDialog(hDlg, 0);
00169           }
00170           if (Id == GUI_ID_CANCEL) {        // Cancel Button
00171             GUI_EndDialog(hDlg, 1);
00172           }
00173           break;
00174       }
00175       break;
00176     default:
00177       WM_DefaultProc(pMsg);
00178   }
00179 }
00180 
00181 /*********************************************************************
00182 *
00183 *       Public code
00184 *
00185 **********************************************************************
00186 */
00187 /*********************************************************************
00188 *
00189 *       MainTask
00190 */
00191 void MainTask(void) {
00192   #if GUI_SUPPORT_MEMDEV
00193     WM_SetCreateFlags(WM_CF_MEMDEV);
00194   #endif
00195   GUI_Init();
00196   //
00197   // Check if recommended memory for the sample is available
00198   //
00199   if (GUI_ALLOC_GetNumFreeBytes() < RECOMMENDED_MEMORY) {
00200     GUI_ErrorOut("Not enough memory available."); 
00201     return;
00202   }
00203   WM_SetDesktopColor(GUI_BLACK);
00204   while (1) {
00205     GUI_ExecDialogBox(_aDialogCreate, GUI_COUNTOF(_aDialogCreate), &_cbCallback, 0, 0, 0);
00206     GUI_Delay(500);
00207   }
00208 }
00209 
00210 /*************************** End of file ****************************/
00211