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Annotation of pmsdk/samples/petzold/chap17/bigjobmt.c, revision 1.1

1.1     ! root        1: /*------------------------------------------------------------
        !             2:    BIGJOBMT.C -- Common functions used in BIGJOB4 and BIGJOB5
        !             3:   ------------------------------------------------------------*/
        !             4: 
        !             5: #define INCL_WIN
        !             6: #include <os2.h>
        !             7: #include <mt\math.h>
        !             8: #include <mt\stdio.h>
        !             9: 
        !            10: double Savage (double A)
        !            11:      {
        !            12:      return tan (atan (exp (log (sqrt (A * A))))) + 1.0 ;
        !            13:      }
        !            14: 
        !            15: VOID CheckMenuItem (HWND hwnd, SHORT sMenuItem, BOOL fCheck)
        !            16:      {
        !            17:      HWND  hwndParent = WinQueryWindow (hwnd, QW_PARENT, FALSE) ;
        !            18:      HWND  hwndMenu   = WinWindowFromID (hwndParent, FID_MENU) ;
        !            19: 
        !            20:      WinSendMsg (hwndMenu, MM_SETITEMATTR,
        !            21:                  MPFROM2SHORT (sMenuItem, TRUE),
        !            22:                  MPFROM2SHORT (MIA_CHECKED, fCheck ? MIA_CHECKED : 0)) ;
        !            23:      }
        !            24: 
        !            25: VOID EnableMenuItem (HWND hwnd, SHORT sMenuItem, BOOL fEnable)
        !            26:      {
        !            27:      HWND  hwndParent = WinQueryWindow (hwnd, QW_PARENT, FALSE) ;
        !            28:      HWND  hwndMenu   = WinWindowFromID (hwndParent, FID_MENU) ;
        !            29: 
        !            30:      WinSendMsg (hwndMenu, MM_SETITEMATTR,
        !            31:                  MPFROM2SHORT (sMenuItem, TRUE),
        !            32:                  MPFROM2SHORT (MIA_DISABLED, fEnable ? 0 : MIA_DISABLED)) ;
        !            33:      }
        !            34: 
        !            35: VOID PaintWindow (HWND hwnd, SHORT sStatus, LONG lCalcRep, ULONG ulTime)
        !            36:      {
        !            37:      static CHAR *szMessage [3] = { "Ready", "Working...",
        !            38:                                     "%ld repetitions in %lu msec." } ;
        !            39:      CHAR        szBuffer [60] ;
        !            40:      HPS         hps ;
        !            41:      RECTL       rcl ;
        !            42: 
        !            43:      hps = WinBeginPaint (hwnd, NULL, NULL) ;
        !            44:      WinQueryWindowRect (hwnd, &rcl) ;
        !            45: 
        !            46:      sprintf (szBuffer, szMessage [sStatus], lCalcRep, ulTime) ;
        !            47:      WinDrawText (hps, -1, szBuffer, &rcl, CLR_NEUTRAL, CLR_BACKGROUND,
        !            48:                   DT_CENTER | DT_VCENTER | DT_ERASERECT) ;
        !            49: 
        !            50:      WinEndPaint (hps) ;
        !            51:      }

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