UTILS.H

//==========================================================================// 
//                                  Constants                               // 
//==========================================================================// 
 
 
#define ThreeDPad          2 
#define NOCHANGE           -1 
 
#define MENUCLOSING        (0xFFFF0000) 
 
#define WM_DLGSETFOCUS     (WM_USER + 0x201) 
#define WM_DLGKILLFOCUS    (WM_USER + 0x202) 
 
 
 
//==========================================================================// 
//                                   Macros                                 // 
//==========================================================================// 
 
 
#define PinInclusive(x, lo, hi)                       \ 
   (max (lo, min (x, hi))) 
 
 
#define PinExclusive(x, lo, hi)                       \ 
   (max ((lo) + 1, min (x, (hi) - 1))) 
 
 
#define BoolEqual(a, b)                               \ 
   ((a == 0) == (b == 0)) 
 
 
//=============================// 
// Window Instance Accessors   // 
//=============================// 
 
#define WindowParent(hWnd)                            \ 
   ((HWND) GetWindowLong (hWnd, GWL_HWNDPARENT)) 
 
#define WindowID(hWnd)                                \ 
   GetWindowLong (hWnd, GWL_ID) 
 
#define WindowInstance(hWnd)                          \ 
   GetWindowWord (hWnd, GWW_HINSTANCE) 
 
#define WindowStyle(hWnd)                             \ 
   GetWindowLong (hWnd, GWL_STYLE) 
 
#define WindowSetStyle(hWnd, lStyle)                  \ 
   SetWindowLong (hWnd, GWL_STYLE, lStyle) 
 
#define WindowExStyle(hWnd)                           \ 
   GetWindowLong (hWnd, GWL_EXSTYLE) 
 
#define WindowSetID(hWnd, wID)                        \ 
   SetWindowLong (hWnd, GWL_ID, wID) 
 
 
// All modeless dialogs need to be dispatched separately in the WinMain 
// message loop, but only if the dialog exists. 
 
 
#define ModelessDispatch(hDlg, lpMsg)                 \ 
   (hDlg ? IsDialogMessage (hDlg, lpMsg) : FALSE) 
 
 
#define strclr(szString)                              \ 
   (szString [0] = TEXT('\0')) 
 
 
#define strempty(lpszString)                          \ 
   (!(lpszString) || !(lpszString[0])) 
 
#define pstrsame(lpsz1, lpsz2)                        \ 
   ((!lpsz1 && !lpsz2) || (lpsz1 && lpsz2 && strsame (lpsz1, lpsz2))) 
 
#define pstrsamei(lpsz1, lpsz2)                        \ 
   ((!lpsz1 && !lpsz2) || (lpsz1 && lpsz2 && strsamei (lpsz1, lpsz2))) 
 
#define StringLoad(wID, szText)                       \ 
   (LoadString (hInstance, wID,                       \ 
    szText, sizeof (szText) - sizeof(TCHAR))) 
 
 
#define WindowInvalidate(hWnd)                        \ 
   (InvalidateRect (hWnd, NULL, TRUE)) 
 
 
#define WindowShow(hWnd, bShow)                       \ 
   (ShowWindow (hWnd, (bShow) ? SW_SHOW : SW_HIDE)) 
 
 
#define MenuCheck(hMenu, wID, bCheck)                 \ 
   (CheckMenuItem (hMenu, wID, (bCheck) ?             \ 
     (MF_BYCOMMAND | MF_CHECKED) : (MF_BYCOMMAND | MF_UNCHECKED))) 
 
#define DeleteFont(hFont)                             \ 
   (DeleteObject (hFont)) 
 
#define DeleteBitmap(hBitmap)                         \ 
   (DeleteObject (hBitmap)) 
 
#define DialogControl(hDlg, wControlID)               \ 
   GetDlgItem (hDlg, wControlID) 
 
 
#define DialogSetInt(hDlg, wControlID, iValue)        \ 
   (SetDlgItemInt (hDlg, wControlID, iValue, TRUE)) 
 
 
#define DialogText(hDlg, wControlID, szText)          \ 
   (GetDlgItemText (hDlg, wControlID, szText, sizeof (szText) / sizeof(TCHAR) - 1)) 
 
#define DialogInt(hDlg, wControlID)                   \ 
   (GetDlgItemInt (hDlg, wControlID, NULL, TRUE)) 
 
#define strsame(szText1, szText2)                     \ 
   (!lstrcmp (szText1, szText2)) 
 
#define strsamei(szText1, szText2)                     \ 
   (!lstrcmpi (szText1, szText2)) 
 
#define strnsame(szText1, szText2, iLen)              \ 
   (!lstrncmp (szText1, szText2, iLen)) 
 
 
#define CreateScreenDC()                              \ 
   CreateDC (TEXT("DISPLAY"), NULL, NULL, NULL) 
 
 
 
#define RectContract(lpRect, xAmt, yAmt)              \ 
   {                                                  \ 
   (lpRect)->left += (xAmt) ;                         \ 
   (lpRect)->top += (yAmt) ;                          \ 
   (lpRect)->right -= (xAmt) ;                        \ 
   (lpRect)->bottom -= (yAmt) ;                       \ 
   } 
 
#define IsBW(hDC)                                     \ 
   (DeviceNumColors (hDC) <= 2) 
 
#ifdef KEEP_PRINT 
#define IsPrinterDC(hDC)                              \ 
   (GetDeviceCaps (hDC, TECHNOLOGY) != DT_RASDISPLAY) 
#else 
#define IsPrinterDC(hDC)                              \ 
   (FALSE) 
#endif 
 
#define VertInchPixels(hDC, iNumerator, iDenominator) \ 
   ((iNumerator * GetDeviceCaps (hDC, LOGPIXELSY)) / iDenominator) 
 
 
#define HorzInchPixels(hDC, iNumerator, iDenominator) \ 
   ((iNumerator * GetDeviceCaps (hDC, LOGPIXELSX)) / iDenominator) 
 
 
#define VertPointPixels(hDC, iPoints)                 \ 
   ((iPoints * GetDeviceCaps (hDC, LOGPIXELSY)) / 72) 
 
 
 
#define SimulateButtonPush(hDlg, wControlID)          \ 
   (PostMessage (hDlg, WM_COMMAND,                    \ 
                 (WPARAM) MAKELONG (wControlID, BN_CLICKED),  \ 
                 (LPARAM) DialogControl (hDlg, wControlID))) 
 
 
// convert an unicode string to OEM string 
#define ConvertUnicodeStr(pOemStr, pUnicodeStr)   \ 
   CharToOemBuff(pUnicodeStr, pOemStr, lstrlen(pUnicodeStr) + 1) 
 
#define CallWinHelp(ContextID)   \ 
   WinHelp(hWndMain, pszHelpFile, HELP_CONTEXT, ContextID) ; 
 
//==========================================================================// 
//                             Exported Functions                           // 
//==========================================================================// 
 
void Fill (HDC hDC, 
           DWORD rgbColor, 
           LPRECT lpRect) ; 
 
void ScreenRectToClient (HWND hWnd, 
                         LPRECT lpRect) ; 
 
int TextWidth (HDC hDC, LPTSTR lpszText) ; 
 
 
void ThreeDConcave (HDC hDC, 
                    int x1, int y1,  
                    int x2, int y2, 
                    BOOL bFace) ; 
 
 
void ThreeDConvex (HDC hDC, 
                   int x1, int y1,  
                   int x2, int y2) ; 
 
 
void ThreeDConcave1 (HDC hDC, 
                     int x1, int y1,  
                     int x2, int y2) ; 
 
 
void ThreeDConvex1 (HDC hDC, 
                   int x1, int y1,  
                   int x2, int y2) ; 
 
 
int _cdecl mike (TCHAR *szFormat, ...) ; 
 
int _cdecl DlgErrorBox (HWND hDlg, UINT id, ...) ; 
 
int _cdecl mike1 (TCHAR *szFormat, ...) ; 
int _cdecl mike2 (TCHAR *szFormat, ...) ; 
 
int FontHeight (HDC hDC,  
                 BOOL bIncludeLeading) ; 
 
 
int TextAvgWidth (HDC hDC, 
                  int iNumChars) ; 
 
 
 
void WindowCenter (HWND hWnd) ; 
 
 
 
BOOL DialogMove (HDLG hDlg, 
                 WORD wControlID, 
                 int xPos,  
                 int yPos, 
                 int xWidth, 
                 int yHeight) ; 
 
 
int DialogWidth (HDLG hDlg,  
                 WORD wControlID) ; 
 
 
int DialogXPos (HDLG hDlg, 
                WORD wControlID) ; 
 
int DialogYPos (HDLG hDlg, 
                WORD wControlID) ; 
 
 
void DialogShow (HDLG hDlg, 
                 WORD wID, 
                 BOOL bShow) ; 
 
 
BOOL _cdecl DialogSetText (HDLG hDlg, 
                           WORD wControlID, 
                           WORD wStringID, 
                           ...) ; 
#if 0 
BOOL _cdecl DialogSetString (HDLG hDlg, 
                             WORD wControlID, 
                             LPTSTR lpszFormat, 
                             ...) ; 
#endif 
#define DialogSetString(hDlg, wControlID, lpszFormat)  \ 
   SetDlgItemText (hDlg, wControlID, lpszFormat) 
 
LPTSTR LongToCommaString (LONG lNumber, 
                         LPTSTR lpszText) ; 
 
 
BOOL MenuSetPopup (HWND hWnd, 
                   int iPosition, 
                   WORD  wControlID, 
                   LPTSTR lpszResourceID) ; 
 
void DialogEnable (HDLG hDlg, 
                   WORD wID, 
                   BOOL bEnable) ; 
 
 
LPTSTR FileCombine (LPTSTR lpszFileSpec, 
                   LPTSTR lpszFileDirectory, 
                   LPTSTR lpszFileName) ; 
 
LPTSTR ExtractFileName (LPTSTR pFileSpec) ; 
 
int CBAddInt (HWND hWndCB, 
              int iValue) ; 
 
FLOAT DialogFloat (HDLG hDlg,  
                   WORD wControlID, 
                   BOOL *pbOK) ; 
 
 
LPTSTR StringAllocate (LPTSTR lpszText1) ; 
 
 
int DivRound (int iNumerator, int iDenominator) ; 
 
 
 
BOOL MenuEnableItem (HMENU hMenu, 
                     WORD wID, 
                     BOOL bEnable) ; 
 
 
 
void DrawBitmap (HDC hDC, 
                 HBITMAP hBitmap, 
                 int xPos, 
                 int yPos, 
                 LONG  lROPCode) ; 
 
void BitmapDimemsion (HBITMAP hBitmap, int *pHeight, int *pWidth) ; 
 
 
void WindowResize (HWND hWnd, 
                   int xWidth, 
                   int yHeight) ; 
 
 
int WindowHeight (HWND hWnd) ; 
 
 
 
void WindowSetTopmost (HWND hWnd, BOOL bTopmost) ; 
 
 
void WindowEnableTitle (HWND hWnd, BOOL bTitle) ; 
 
 
void Line (HDC hDC, 
           HPEN hPen, 
           int x1, int y1, 
           int x2, int y2) ; 
 
 
 
#define HLine(hDC, hPen, x1, x2, y)          \ 
   Line (hDC, hPen, x1, y, x2, y) ; 
 
 
#define VLine(hDC, hPen, x, y1, y2)          \ 
   Line (hDC, hPen, x, y1, x, y2) ; 
 
 
int DialogHeight (HDLG hDlg,  
                  WORD wControlID) ; 
 
 
 
void DialogSetFloat (HDLG hDlg, 
                     WORD wControlID, 
                     FLOAT eValue) ; 
 
void DialogSetInterval (HDLG hDlg, 
                        WORD wControlID, 
                        int  IntervalMSec ) ; 
 
int MessageBoxResource (HWND hWndParent, 
                        WORD wTextID, 
                        WORD wTitleID, 
                        UINT uiStyle) ; 
 
void WindowPlacementToString (PWINDOWPLACEMENT pWP,  
                              LPTSTR lpszText) ; 
 
void StringToWindowPlacement (LPTSTR lpszText, 
                              PWINDOWPLACEMENT pWP) ; 
 
DWORD MenuIDToHelpID (DWORD MenuID) ;