windows-nt/Source/XPSP1/NT/shell/ext/cdfview/runonnt.cpp
2020-09-26 16:20:57 +08:00

107 lines
2.9 KiB
C++

#include "stdinc.h"
//============================================================================
// This file contains a bunch of Unicode/Ansi thunks to handle calling
// some internal functions that on Windows 95 the strings are Ansi,
// whereas the string on NT are unicode
//============================================================================
// First undefine everything that we are intercepting as to not forward back to us...
#undef PathCleanupSpec
#define THUNKMSG(psz) TraceMsg(TF_THUNK, "shdv THUNK::%s", psz)
//
// Now the thunks that allow us to run on Windows 95.
//
//
//
// This thunks a unicode string to ANSI, but if it's an ordinal, then
// we just leave it alone.
//
int _AorW_PathCleanupSpec(/*IN OPTIONAL*/ LPCTSTR pszDir, /*IN OUT*/ LPTSTR pszSpec)
{
THUNKMSG(TEXT("PathCleanupSpec"));
if (g_bRunningOnNT)
{
WCHAR wzDir[MAX_PATH];
WCHAR wzSpec[MAX_PATH];
LPWSTR pwszDir = wzDir;
int iRet;
if (pszDir)
SHTCharToUnicode(pszDir, wzDir, ARRAYSIZE(wzDir));
else
pwszDir = NULL;
SHTCharToUnicode(pszSpec, wzSpec, ARRAYSIZE(wzSpec));
iRet = PathCleanupSpec((LPTSTR)pwszDir, (LPTSTR)wzSpec);
SHUnicodeToTChar(wzSpec, pszSpec, MAX_PATH);
return iRet;
}
else
{
CHAR szDir[MAX_PATH];
CHAR szSpec[MAX_PATH];
LPSTR pszDir2 = szDir;
int iRet;
if (pszDir)
SHTCharToAnsi(pszDir, szDir, ARRAYSIZE(szDir));
else
pszDir2 = NULL;
SHTCharToAnsi(pszSpec, szSpec, ARRAYSIZE(szSpec));
iRet = PathCleanupSpec((LPTSTR)pszDir2, (LPTSTR)szSpec);
SHAnsiToTChar(szSpec, pszSpec, MAX_PATH);
return iRet;
}
}
STDAPI Priv_SHDefExtractIcon(LPCTSTR pszIconFile, int iIndex, UINT uFlags,
HICON *phiconLarge, HICON *phiconSmall,
UINT nIconSize)
{
HRESULT hr;
ASSERT(uFlags == 0);
//
// W95 integrated mode supports SHDefExtractIcon. This supports
// matching the icon ectracted to the icon color depth. ExtractIcon
// doesn't.
//
#ifndef UNIX
if ((WhichPlatform() == PLATFORM_INTEGRATED))
{
#ifdef UNICODE
if (g_bRunningOnNT)
{
return SHDefExtractIconW(pszIconFile, iIndex, uFlags,
phiconLarge, phiconSmall, nIconSize);
}
else
#endif
{
char szIconFile[MAX_PATH];
SHUnicodeToAnsi(pszIconFile, szIconFile, ARRAYSIZE(szIconFile));
hr = SHDefExtractIconA(szIconFile, iIndex, uFlags,
phiconLarge, phiconSmall, nIconSize);
}
}
else
#endif /* !UNIX */
{
char szIconFile[MAX_PATH];
SHUnicodeToAnsi(pszIconFile, szIconFile, ARRAYSIZE(szIconFile));
hr = ExtractIconExA(szIconFile, iIndex, phiconLarge,
phiconSmall, 1) ? S_OK : E_FAIL;
}
return hr;
}