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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: iconcache.cxx,v $
* $Revision: 1.6 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifdef _MSC_VER
#pragma warning(push, 1) /* disable warnings within system headers */
#endif
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <msiquery.h>
#ifdef _MSC_VER
#pragma warning(pop)
#endif
#include <stdlib.h>
extern "C" UINT __stdcall RebuildShellIconCache(MSIHANDLE)
{
// Rebuild icon cache on windows OS prior XP
OSVERSIONINFO osverinfo;
osverinfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
if (
GetVersionEx( &osverinfo ) &&
VER_PLATFORM_WIN32_NT == osverinfo.dwPlatformId &&
(
5 < osverinfo.dwMajorVersion ||
5 == osverinfo.dwMajorVersion && 0 < osverinfo.dwMinorVersion
)
)
{
return ERROR_SUCCESS;
}
HKEY hKey;
DWORD dwDispostion;
LONG lError = RegCreateKeyEx( HKEY_CURRENT_USER, TEXT("Control Panel\\Desktop\\WindowMetrics"), 0, NULL, REG_OPTION_VOLATILE, KEY_SET_VALUE | KEY_QUERY_VALUE, NULL, &hKey, &dwDispostion );
if ( ERROR_SUCCESS == lError )
{
TCHAR szValue[256];
TCHAR szTempValue[256];
DWORD cbValue = sizeof(szValue);
DWORD dwType;
int iSize = 0;
lError = RegQueryValueEx( hKey, TEXT("Shell Icon Size"), 0, &dwType, (LPBYTE)szValue, &cbValue );
if ( ERROR_SUCCESS == lError )
iSize = atoi( szValue );
if ( !iSize )
{
iSize = GetSystemMetrics( SM_CXICON );
itoa( iSize, szValue, 10 );
cbValue = strlen( szValue ) + 1;
dwType = REG_SZ;
}
itoa( iSize + 1, szTempValue, 10 );
lError = RegSetValueEx( hKey, TEXT("Shell Icon Size"), 0, dwType, (LPBYTE)szTempValue, strlen( szTempValue ) + 1 );
LRESULT lResult = SendMessageTimeout(
HWND_BROADCAST,
WM_SETTINGCHANGE,
SPI_SETNONCLIENTMETRICS,
(LPARAM)TEXT("WindowMetrics"),
SMTO_NORMAL|SMTO_ABORTIFHUNG,
0, NULL);
lError = RegSetValueEx( hKey, TEXT("Shell Icon Size"), 0, dwType, (LPBYTE)szValue, cbValue );
lResult = SendMessageTimeout(
HWND_BROADCAST,
WM_SETTINGCHANGE,
SPI_SETNONCLIENTMETRICS,
(LPARAM)TEXT("WindowMetrics"),
SMTO_NORMAL|SMTO_ABORTIFHUNG,
0, NULL);
lError = RegCloseKey( hKey );
}
return ERROR_SUCCESS;
}
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