www.pudn.com > uC-GUI-V3-98.zip > MainTask.c

/* 
********************************************************************************************************* 
*                                                uC/GUI 
*                        Universal graphic software for embedded applications 
* 
*                       (c) Copyright 2002, Micrium Inc., Weston, FL 
*                       (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH 
* 
*              µC/GUI is protected by international copyright laws. Knowledge of the 
*              source code may not be used to write a similar product. This file may 
*              only be used in accordance with a license and should not be redistributed 
*              in any way. We appreciate your understanding and fairness. 
---------------------------------------------------------------------- 
File        : MainTask.c 
Purpose     : Example demonstrating the use of a CHECKBOX widget 
---------------------------------------------------------------------- 
*/ 
 
#include  
#include "GUI.h" 
#include "DIALOG.h" 
#include "Main.h" 
 
/********************************************************************* 
* 
*       Static data 
* 
********************************************************************** 
*/ 
 
/* Dialog resource */ 
static const GUI_WIDGET_CREATE_INFO _aDialogCreate[] = { 
  { FRAMEWIN_CreateIndirect, "Check box sample",   0,   10,  10, 300, 220, FRAMEWIN_CF_MOVEABLE}, 
  { TEXT_CreateIndirect,     "Enabled:",           0,    5,  10, 120,   0 }, 
  { CHECKBOX_CreateIndirect, 0,        GUI_ID_CHECK0,    5,  30, 120,   0 }, 
  { CHECKBOX_CreateIndirect, 0,        GUI_ID_CHECK1,    5,  60, 120,   0 }, 
  { CHECKBOX_CreateIndirect, 0,        GUI_ID_CHECK2,    5,  90, 120,   20 }, 
  { CHECKBOX_CreateIndirect, 0,        GUI_ID_CHECK3,    5, 125, 120,   26 }, 
  { TEXT_CreateIndirect,     "Disabled:",          0,  150,  10, 120,   0 }, 
  { CHECKBOX_CreateIndirect, 0,        GUI_ID_CHECK4,  150,  30, 120,   0 }, 
  { CHECKBOX_CreateIndirect, 0,        GUI_ID_CHECK5,  150,  60, 120,   0 }, 
  { CHECKBOX_CreateIndirect, 0,        GUI_ID_CHECK6,  150,  90, 120,   26 }, 
  { CHECKBOX_CreateIndirect, 0,        GUI_ID_CHECK7,  150, 125, 120,   26 }, 
  { BUTTON_CreateIndirect,   "OK",         GUI_ID_OK,   10, 170,  60,  20 }, 
  { BUTTON_CreateIndirect,   "Cancel", GUI_ID_CANCEL,  225, 170,  60,  20 }, 
}; 
 
/* Check box text */ 
static const char * _apLabel[] = { 
  "Default", 
  "3 States", 
  "Box XL", 
  "Box XXL" 
}; 
 
/********************************************************************* 
* 
*       Static code 
* 
********************************************************************** 
*/ 
/********************************************************************* 
* 
*       _cbCallback 
*/ 
static void _cbCallback(WM_MESSAGE * pMsg) { 
  int i; 
  int NCode, Id; 
  WM_HWIN hDlg, hItem; 
  hDlg = pMsg->hWin; 
  switch (pMsg->MsgId) { 
    case WM_INIT_DIALOG: 
      hItem = WM_GetDialogItem(hDlg, GUI_ID_CHECK0); 
      for (i = 0; i < 8; i++) { 
        int Index = i % 4; 
        hItem = WM_GetDialogItem(hDlg, GUI_ID_CHECK0 + i); /* Get the handle of the desired checkbox */ 
        CHECKBOX_SetText(hItem, _apLabel[Index]);          /* Set the check box text */ 
        switch (Index) { 
        case 1: 
          /* Set the number of possible states to 3 */ 
          CHECKBOX_SetNumStates(hItem, 3); 
          /* Use user defined bitmaps for the third state */ 
          CHECKBOX_SetImage(hItem, &_abmBar[0], CHECKBOX_BI_INACTIV_3STATE);  /* Used if widget is disabled */ 
          CHECKBOX_SetImage(hItem, &_abmBar[1], CHECKBOX_BI_ACTIV_3STATE);    /* Used if widget is enabled */ 
          CHECKBOX_SetState(hItem, 2); 
          break; 
        case 2: 
          CHECKBOX_SetState(hItem, 1); 
          /* Use user defined bitmaps for the 'checked' state */ 
          CHECKBOX_SetImage(hItem, &_abmXL[0], CHECKBOX_BI_INACTIV_CHECKED);  /* Used if widget is disabled */ 
          CHECKBOX_SetImage(hItem, &_abmXL[1], CHECKBOX_BI_ACTIV_CHECKED);    /* Used if widget is enabled */  
          CHECKBOX_SetFont(hItem, &GUI_FontComic18B_ASCII); 
          break; 
        case 3: 
          CHECKBOX_SetState(hItem, 1); 
          /* Use user defined bitmaps for the 'checked' state */ 
          CHECKBOX_SetImage(hItem, &_abmXXL[0], CHECKBOX_BI_INACTIV_CHECKED); /* Used if widget is disabled */ 
          CHECKBOX_SetImage(hItem, &_abmXXL[1], CHECKBOX_BI_ACTIV_CHECKED);   /* Used if widget is enabled */  
          CHECKBOX_SetFont(hItem, &GUI_FontComic24B_ASCII); 
          break; 
        } 
        /* Disable all check boxes shown on the right side of the dialog */ 
        if (i >= 4) { 
          WM_DisableWindow(hItem); 
        } 
      } 
      break; 
    case WM_NOTIFY_PARENT: 
      Id    = WM_GetId(pMsg->hWinSrc);      /* Id of widget */ 
      NCode = pMsg->Data.v;                 /* Notification code */ 
      switch (NCode) { 
        case WM_NOTIFICATION_RELEASED:      /* React only if released */ 
          if (Id == GUI_ID_OK) {            /* OK Button */ 
            GUI_EndDialog(hDlg, 0); 
          } 
          if (Id == GUI_ID_CANCEL) {        /* Cancel Button */ 
            GUI_EndDialog(hDlg, 1); 
          } 
          break; 
      } 
      break; 
    default: 
      WM_DefaultProc(pMsg); 
  } 
} 
 
/********************************************************************* 
* 
*       Public code 
* 
********************************************************************** 
*/ 
/********************************************************************* 
* 
*       MainTask 
*/ 
void MainTask(void) { 
  #if GUI_SUPPORT_MEMDEV 
    WM_SetCreateFlags(WM_CF_MEMDEV); 
  #endif 
  GUI_Init(); 
  WM_SetDesktopColor(GUI_BLACK); 
  while (1) { 
    GUI_ExecDialogBox(_aDialogCreate, GUI_COUNTOF(_aDialogCreate), &_cbCallback, 0, 0, 0); 
    GUI_Delay(500); 
  } 
} 
 
/*************************** End of file ****************************/