443 lines
12 KiB
C++
443 lines
12 KiB
C++
/*++
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© 1998 Seagate Software, Inc. All rights reserved.
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Module Name:
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RsUtil.cpp
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Abstract:
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Utility functions for GUI
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NOTENOTENOTENOTE:
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Do not use any WSB functions in this file, as it is included in
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recall notify which must run without WSB. It must also be able to
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build as UNICODE or non-UNICODE
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Author:
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Art Bragg [abragg] 08-Aug-1997
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Revision History:
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--*/
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#include "shlwapi.h"
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#define HIDWORD(_qw) (DWORD)((_qw)>>32)
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#define LODWORD(_qw) (DWORD)(_qw)
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#define ARRAYSIZE(a) (sizeof(a)/sizeof(a[0]))
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#define HINST_THISDLL AfxGetInstanceHandle()
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// Local function prototypes
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HRESULT ShortSizeFormat64(__int64 dw64, LPTSTR szBuf);
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LPTSTR AddCommas(DWORD dw, LPTSTR pszResult, int nResLen);
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HRESULT RsGuiFormatLongLong (
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IN LONGLONG number,
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IN BOOL bIncludeUnits,
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OUT CString& sFormattedNumber)
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/*++
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Routine Description:
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Formats a LONGLONG number into a locale-sensitive string with no decimal
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fraction. Option is given for adding units at the end.
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Arguments:
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number I: Number to format
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bIncludeUnits I: TRUE - add "bytes" at the end
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sFormattedNumber O: Formatted number
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Return Value:
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S_OK - Success.
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E_* - Failure occured
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--*/
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{
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HRESULT hr = S_OK;
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TCHAR sBuf [256];
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TCHAR lpLCData [256];
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TCHAR lpLCDataDecimal[256];
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TCHAR lpLCDataThousand[256];
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LPTSTR pBuffer;
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int bufSize;
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NUMBERFMT format;
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try {
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// Set up the parameters for the conversion function.
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// Don't show fractions
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format.NumDigits = 0;
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// Get current setting for the rest of the parameters
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WsbAffirmStatus (GetLocaleInfo( LOCALE_SYSTEM_DEFAULT, LOCALE_ILZERO, lpLCData, 256 ));
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format.LeadingZero = _ttoi(lpLCData);
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WsbAffirmStatus (GetLocaleInfo( LOCALE_SYSTEM_DEFAULT, LOCALE_SGROUPING, lpLCData, 256 ));
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lpLCData[1] = 0;
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format.Grouping = _ttoi(lpLCData);
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WsbAffirmStatus (GetLocaleInfo( LOCALE_SYSTEM_DEFAULT, LOCALE_SDECIMAL, lpLCDataDecimal, 256 ));
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format.lpDecimalSep = lpLCDataDecimal;
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WsbAffirmStatus (GetLocaleInfo( LOCALE_SYSTEM_DEFAULT, LOCALE_STHOUSAND, lpLCDataThousand, 256 ));
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format.lpThousandSep = lpLCDataThousand;
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WsbAffirmStatus (GetLocaleInfo( LOCALE_SYSTEM_DEFAULT, LOCALE_INEGNUMBER, lpLCData, 256 ));
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format.NegativeOrder = _ttoi(lpLCData);
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// Convert the number to a non-localized string
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_i64tot( number, sBuf, 10 );
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// Get the size of the localized converted number
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bufSize = GetNumberFormat (LOCALE_SYSTEM_DEFAULT, 0, sBuf, &format, NULL, 0);
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WsbAffirmStatus (bufSize);
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// Allocate the buffer in the CString
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pBuffer = sFormattedNumber.GetBufferSetLength( bufSize );
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// Convert non-localized string to a localized string
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WsbAffirmStatus (GetNumberFormat (LOCALE_SYSTEM_DEFAULT, 0, sBuf, &format, pBuffer, bufSize));
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// Release the CString buffer
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sFormattedNumber.ReleaseBuffer (-1);
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// If caller requested, append units
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if (bIncludeUnits) {
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sFormattedNumber = sFormattedNumber + L" bytes";
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}
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} WsbCatch (hr);
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return hr;
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}
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HRESULT RsGuiFormatLongLong4Char (
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IN LONGLONG number, // in bytes
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OUT CString& sFormattedNumber)
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/*++
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Routine Description:
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Formats a LONGLONG number into a locale-sensitive string that can be
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displayed in 4 chars. Option is given for adding units at the end.
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Arguments:
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number I: Number to format
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sFormattedNumber O: Formatted number
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Return Value:
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S_OK - Success.
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E_* - Failure occured
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--*/
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{
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// We call a function cloned from MS code
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LPTSTR p;
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p = sFormattedNumber.GetBuffer( 30 );
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HRESULT hr = ShortSizeFormat64(number, p);
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sFormattedNumber.ReleaseBuffer();
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return hr;
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}
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const int pwOrders[] = {IDS_BYTES, IDS_ORDERKB, IDS_ORDERMB,
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IDS_ORDERGB, IDS_ORDERTB, IDS_ORDERPB, IDS_ORDEREB};
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/* converts numbers into sort formats
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* 532 -> 523 bytes
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* 1340 -> 1.3KB
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* 23506 -> 23.5KB
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* -> 2.4MB
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* -> 5.2GB
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*/
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// NOTE: This code is cloned from MS source /shell/shelldll/util.c - AHB
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HRESULT ShortSizeFormat64(__int64 dw64, LPTSTR szBuf)
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{
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AFX_MANAGE_STATE(AfxGetStaticModuleState());
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int i;
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UINT wInt, wLen, wDec;
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TCHAR szTemp[10], szOrder[20], szFormat[5];
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if (dw64 < 1000) {
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wsprintf(szTemp, TEXT("%d"), LODWORD(dw64));
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i = 0;
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goto AddOrder;
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}
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for (i = 1; i<ARRAYSIZE(pwOrders)-1 && dw64 >= 1000L * 1024L; dw64 >>= 10, i++);
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/* do nothing */
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wInt = LODWORD(dw64 >> 10);
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AddCommas(wInt, szTemp, 10);
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wLen = lstrlen(szTemp);
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if (wLen < 3)
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{
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wDec = LODWORD(dw64 - (__int64)wInt * 1024L) * 1000 / 1024;
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// At this point, wDec should be between 0 and 1000
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// we want get the top one (or two) digits.
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wDec /= 10;
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if (wLen == 2)
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wDec /= 10;
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// Note that we need to set the format before getting the
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// intl char.
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lstrcpy(szFormat, TEXT("%02d"));
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szFormat[2] = (TCHAR)( TEXT('0') + 3 - wLen );
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GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SDECIMAL,
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szTemp+wLen, ARRAYSIZE(szTemp)-wLen);
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wLen = lstrlen(szTemp);
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wLen += wsprintf(szTemp+wLen, szFormat, wDec);
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}
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AddOrder:
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LoadString(HINST_THISDLL, pwOrders[i], szOrder, ARRAYSIZE(szOrder));
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wsprintf(szBuf, szOrder, (LPTSTR)szTemp);
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return S_OK;
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}
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void RsGuiMakeVolumeName (CString szName, CString szLabel, CString& szDisplayName)
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/*++
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Routine Description:
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Formats a string showing the drive letter and volume label for a volume.
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Arguments:
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szName I: Name of volume i.e. "E:"
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szLabel I: Volume label i.i "Art's Volume"
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szDisplayName O: "Art's Volume (E:)"
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Return Value: None
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_* - Failure occured
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--*/
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{
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szDisplayName.Format( TEXT ("%ls (%.1ls:)"), szLabel, szName );
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}
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// NOTE: This code is cloned from MS source /shell/shelldll/util.c - AHB
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// takes a DWORD add commas etc to it and puts the result in the buffer
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LPTSTR AddCommas(DWORD dw, LPTSTR pszResult, int nResLen)
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{
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TCHAR szTemp[20]; // more than enough for a DWORD
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TCHAR szSep[5];
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NUMBERFMT nfmt;
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nfmt.NumDigits=0;
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nfmt.LeadingZero=0;
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GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SGROUPING, szSep, ARRAYSIZE(szSep));
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nfmt.Grouping = _tcstol(szSep, NULL, 10);
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GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_STHOUSAND, szSep, ARRAYSIZE(szSep));
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nfmt.lpDecimalSep = nfmt.lpThousandSep = szSep;
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nfmt.NegativeOrder= 0;
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wsprintf(szTemp, TEXT("%lu"), dw);
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if (GetNumberFormat(LOCALE_USER_DEFAULT, 0, szTemp, &nfmt, pszResult, nResLen) == 0)
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lstrcpy(pszResult, szTemp);
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return pszResult;
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}
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CString RsGuiMakeShortString(
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IN CDC* pDC,
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IN const CString& StrLong,
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IN int Width
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)
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/*++
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Routine Description:
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Determines if the supplied string fits in it's column. If not truncates
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it and adds "...". From MS sample code.
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Arguments:
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pDC - Device context
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str - Original String
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width - Width of column
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Return Value:
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Shortened string
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--*/
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{
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CString strShort = StrLong;
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int stringLen = strShort.GetLength( );
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//
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// See if we need to shorten the string
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//
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if( ( stringLen > 0 ) &&
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( pDC->GetTextExtent( strShort, stringLen ).cx > Width ) ) {
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CString threeDots = _T("...");
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int addLen = pDC->GetTextExtent( threeDots, threeDots.GetLength( ) ).cx;
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for( int i = stringLen - 1; i > 0; i-- ) {
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if( ( pDC->GetTextExtent( strShort, i ).cx + addLen ) <= Width ) {
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break;
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}
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}
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strShort = strShort.Left( i ) + threeDots;
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}
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return( strShort );
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}
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/////////////////////////////////////////////////////////////////////////////
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// CRsGuiOneLiner
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CRsGuiOneLiner::CRsGuiOneLiner()
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{
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m_pToolTip = 0;
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}
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CRsGuiOneLiner::~CRsGuiOneLiner()
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{
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EnableToolTip( FALSE );
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}
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BEGIN_MESSAGE_MAP(CRsGuiOneLiner, CStatic)
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//{{AFX_MSG_MAP(CRsGuiOneLiner)
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//}}AFX_MSG_MAP
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ON_MESSAGE( WM_SETTEXT, OnSetText )
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// CRsGuiOneLiner message handlers
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LRESULT
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CRsGuiOneLiner::OnSetText(
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WPARAM /*wParam*/,
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LPARAM lParam
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)
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{
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LRESULT lResult = 0;
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ASSERT(lParam == 0 || AfxIsValidString((LPCTSTR)lParam));
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m_LongTitle = (LPCTSTR)lParam;
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m_Title = m_LongTitle;
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//
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// See if this is too long to show, and shorten if so
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//
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CRect rect;
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GetClientRect( &rect );
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CDC* pDc = GetDC( );
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if( pDc ) {
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CFont* pFont = GetFont( );
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CFont* pSaveFont = pDc->SelectObject( pFont );
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if( pSaveFont ) {
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m_Title = RsGuiMakeShortString( pDc, m_LongTitle, rect.right );
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pDc->SelectObject( pSaveFont );
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}
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ReleaseDC( pDc );
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}
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if( m_hWnd ) {
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lResult = DefWindowProc( WM_SETTEXT, 0, (LPARAM)(LPCTSTR)m_Title );
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}
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//
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// Enable the tooltip if the titles are not the same
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//
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EnableToolTip( m_Title != m_LongTitle, m_LongTitle );
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return( lResult );
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}
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void CRsGuiOneLiner::EnableToolTip( BOOL Enable, const TCHAR* pTipText )
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{
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if( Enable ) {
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//
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// Make sure the tooltip does not exist before creating new one
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//
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EnableToolTip( FALSE );
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m_pToolTip = new CToolTipCtrl;
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if( m_pToolTip ) {
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m_pToolTip->Create( this );
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//
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// Can't use the CToolTipCtrl methods for adding tool
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// since these tie the control into sending messages
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// to the parent, and don't allow subclassing option
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//
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// BTW, the subclassing option allows the control to
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// automatically see our messages. Otherwise, we have
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// to go through complicated message interception and
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// relaying these to the tooltip (which doesn't work
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// anyway)
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//
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TOOLINFO ti;
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ZeroMemory( &ti, sizeof( ti ) );
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ti.cbSize = sizeof( ti );
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ti.uFlags = TTF_IDISHWND|TTF_CENTERTIP|TTF_SUBCLASS;
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ti.hwnd = GetSafeHwnd( );
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ti.uId = (WPARAM)GetSafeHwnd( );
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ti.lpszText = (LPTSTR)(LPCTSTR)pTipText;
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m_pToolTip->SendMessage( TTM_ADDTOOL, 0, (LPARAM)&ti );
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//
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// Set delays so that the tooltip comes up right away
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// and doesn't go away until 15 seconds.
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//
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m_pToolTip->SendMessage( TTM_SETDELAYTIME, TTDT_AUTOPOP, 15000 );
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m_pToolTip->SendMessage( TTM_SETDELAYTIME, TTDT_INITIAL, 0 );
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//
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// And activate and top the tooltip
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//
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m_pToolTip->Activate( TRUE );
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m_pToolTip->SetWindowPos( &wndTop, 0, 0, 0, 0,
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SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE|SWP_NOOWNERZORDER );
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}
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} else if( !Enable && m_pToolTip ) {
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m_pToolTip->Activate( FALSE );
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delete m_pToolTip;
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m_pToolTip = 0;
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}
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}
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