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

/* 
********************************************************************************************************* 
*                                             uC/GUI V3.98 
*                        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        : DIALOG_Count.c 
Purpose     : Shows a dialog which is continously counting 
---------------------------END-OF-HEADER------------------------------ 
*/ 
 
#include "DIALOG.h" 
 
/********************************************************************* 
* 
*       Static data 
* 
********************************************************************** 
*/ 
static const GUI_WIDGET_CREATE_INFO _aDialogCreate[] = { 
  { FRAMEWIN_CreateIndirect, "Counting...",     0,      30,  90, 260, 140, FRAMEWIN_CF_MOVEABLE }, 
  { TEXT_CreateIndirect,     "00",     GUI_ID_TEXT0,    10,  10, 120,  80 }, 
  { RADIO_CreateIndirect,    "",       GUI_ID_RADIO0,  150,  10, 100,  80, 0, 4 }, 
  { BUTTON_CreateIndirect,   "OK",     GUI_ID_OK,       10, 100,  60,  18 }, 
  { BUTTON_CreateIndirect,   "Cancel", GUI_ID_CANCEL,  180, 100,  60,  18 }, 
}; 
 
static const char * _apLabel[] = { 
  {"GUI_FontFD32"}, 
  {"GUI_FontFD48"}, 
  {"GUI_FontFD64"}, 
  {"GUI_FontFD80"}, 
}; 
 
static const GUI_FONT * _apFont[] = { 
  &GUI_FontD32, 
  &GUI_FontD48, 
  &GUI_FontD64, 
  &GUI_FontD80 
}; 
 
static const char * _asExplain[] = { 
  {"Please use the RADIO buttons to select"}, 
  {"the big digit font used for counting."} 
}; 
 
/********************************************************************* 
* 
*       Static code 
* 
********************************************************************** 
*/ 
/********************************************************************* 
* 
*       _SetFont 
*/ 
static void _SetFont(WM_HWIN hDlg) { 
  WM_HWIN hItem; 
  int Index; 
  hItem = WM_GetDialogItem(hDlg, GUI_ID_RADIO0); 
  Index = RADIO_GetValue(hItem); 
  hItem = WM_GetDialogItem(hDlg, GUI_ID_TEXT0); 
  TEXT_SetFont(hItem, _apFont[Index]); 
} 
 
/********************************************************************* 
* 
*       _cbBkWindow 
*/ 
static void _cbBkWindow(WM_MESSAGE * pMsg) { 
  int i; 
  switch (pMsg->MsgId) { 
  case WM_PAINT: 
    GUI_SetBkColor(GUI_BLUE); 
    GUI_Clear(); 
    GUI_SetColor(GUI_WHITE); 
    GUI_SetFont(&GUI_Font24_ASCII); 
    GUI_DispStringHCenterAt("Counting Sample", 160, 5); 
    GUI_SetFont(&GUI_Font8x16); 
    for (i = 0; i < GUI_COUNTOF(_asExplain); i++) { 
      GUI_DispStringAt(_asExplain[i], 5, 40 + i * 16); 
    } 
  default: 
    WM_DefaultProc(pMsg); 
  } 
} 
 
/********************************************************************* 
* 
*       _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_RADIO0); 
      for (i = 0; i < GUI_COUNTOF(_apLabel); i++) { 
        RADIO_SetText(hItem, _apLabel[i], i); 
      } 
      _SetFont(hDlg); 
      break; 
    case WM_NOTIFY_PARENT: 
      Id    = WM_GetId(pMsg->hWinSrc);    /* Id of widget */ 
      NCode = pMsg->Data.v;               /* Notification code */ 
      switch (NCode) { 
      case WM_NOTIFICATION_VALUE_CHANGED: /* Value has changed */ 
        _SetFont(hDlg); 
        break; 
      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); 
  } 
} 
 
/********************************************************************* 
* 
*       Exported code 
* 
********************************************************************** 
*/ 
/********************************************************************* 
* 
*       MainTask 
*/ 
void MainTask(void) { 
  int Value = 0; 
  WM_HWIN hDlgFrame; 
  GUI_Init(); 
  WM_SetCallback(WM_HBKWIN, _cbBkWindow);   
  WM_SetCreateFlags(WM_CF_MEMDEV);  /* Use memory devices on all windows to avoid flicker */ 
  while(1) { 
    WM_HWIN hDlg, hText; 
    char acText[3] = {0}; 
    GUI_Delay(150); 
    if (!WM_IsWindow(hDlgFrame)) { 
      hDlgFrame = GUI_CreateDialogBox(_aDialogCreate, GUI_COUNTOF(_aDialogCreate), &_cbCallback, 0, 0, 0); 
    } 
    Value = (Value + 1) % 100; 
    acText[0] = '0' + Value / 10; 
    acText[1] = '0' + Value % 10; 
    hDlg = WM_GetClientWindow(hDlgFrame); 
    hText = WM_GetDialogItem(hDlg, GUI_ID_TEXT0); 
    TEXT_SetText(hText, acText); 
  } 
}