mirror of
https://github.com/reactos/reactos.git
synced 2024-08-19 18:02:55 +00:00
565 lines
19 KiB
C
565 lines
19 KiB
C
/*
|
|
* Shell Folder stuff
|
|
*
|
|
* Copyright 1997 Marcus Meissner
|
|
* Copyright 1998, 1999, 2002 Juergen Schmied
|
|
*
|
|
* IShellFolder2 and related interfaces
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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 for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#include <precomp.h>
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL (shell);
|
|
|
|
static const WCHAR wszDotShellClassInfo[] = {
|
|
'.','S','h','e','l','l','C','l','a','s','s','I','n','f','o',0};
|
|
|
|
/***************************************************************************
|
|
* SHELL32_GetCustomFolderAttribute (internal function)
|
|
*
|
|
* Gets a value from the folder's desktop.ini file, if one exists.
|
|
*
|
|
* PARAMETERS
|
|
* pidl [I] Folder containing the desktop.ini file.
|
|
* pwszHeading [I] Heading in .ini file.
|
|
* pwszAttribute [I] Attribute in .ini file.
|
|
* pwszValue [O] Buffer to store value into.
|
|
* cchValue [I] Size in characters including NULL of buffer pointed to
|
|
* by pwszValue.
|
|
*
|
|
* RETURNS
|
|
* TRUE if returned non-NULL value.
|
|
* FALSE otherwise.
|
|
*/
|
|
static BOOL __inline SHELL32_GetCustomFolderAttributeFromPath(
|
|
LPWSTR pwszFolderPath, LPCWSTR pwszHeading, LPCWSTR pwszAttribute,
|
|
LPWSTR pwszValue, DWORD cchValue)
|
|
{
|
|
static const WCHAR wszDesktopIni[] =
|
|
{'d','e','s','k','t','o','p','.','i','n','i',0};
|
|
static const WCHAR wszDefault[] = {0};
|
|
|
|
PathAddBackslashW(pwszFolderPath);
|
|
PathAppendW(pwszFolderPath, wszDesktopIni);
|
|
return GetPrivateProfileStringW(pwszHeading, pwszAttribute, wszDefault,
|
|
pwszValue, cchValue, pwszFolderPath);
|
|
}
|
|
|
|
BOOL SHELL32_GetCustomFolderAttribute(
|
|
LPCITEMIDLIST pidl, LPCWSTR pwszHeading, LPCWSTR pwszAttribute,
|
|
LPWSTR pwszValue, DWORD cchValue)
|
|
{
|
|
DWORD dwAttrib = FILE_ATTRIBUTE_SYSTEM;
|
|
WCHAR wszFolderPath[MAX_PATH];
|
|
|
|
/* Hack around not having system attribute on non-Windows file systems */
|
|
if (0)
|
|
dwAttrib = _ILGetFileAttributes(pidl, NULL, 0);
|
|
|
|
if (dwAttrib & FILE_ATTRIBUTE_SYSTEM)
|
|
{
|
|
if (!SHGetPathFromIDListW(pidl, wszFolderPath))
|
|
return FALSE;
|
|
|
|
return SHELL32_GetCustomFolderAttributeFromPath(wszFolderPath, pwszHeading,
|
|
pwszAttribute, pwszValue, cchValue);
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/***************************************************************************
|
|
* GetNextElement (internal function)
|
|
*
|
|
* Gets a part of a string till the first backslash.
|
|
*
|
|
* PARAMETERS
|
|
* pszNext [IN] string to get the element from
|
|
* pszOut [IN] pointer to buffer which receives string
|
|
* dwOut [IN] length of pszOut
|
|
*
|
|
* RETURNS
|
|
* LPSTR pointer to first, not yet parsed char
|
|
*/
|
|
|
|
LPCWSTR GetNextElementW (LPCWSTR pszNext, LPWSTR pszOut, DWORD dwOut)
|
|
{
|
|
LPCWSTR pszTail = pszNext;
|
|
DWORD dwCopy;
|
|
|
|
TRACE ("(%s %p 0x%08x)\n", debugstr_w (pszNext), pszOut, dwOut);
|
|
|
|
*pszOut = 0x0000;
|
|
|
|
if (!pszNext || !*pszNext)
|
|
return NULL;
|
|
|
|
while (*pszTail && (*pszTail != (WCHAR) '\\'))
|
|
pszTail++;
|
|
|
|
dwCopy = pszTail - pszNext + 1;
|
|
lstrcpynW (pszOut, pszNext, (dwOut < dwCopy) ? dwOut : dwCopy);
|
|
|
|
if (*pszTail)
|
|
pszTail++;
|
|
else
|
|
pszTail = NULL;
|
|
|
|
TRACE ("--(%s %s 0x%08x %p)\n", debugstr_w (pszNext), debugstr_w (pszOut), dwOut, pszTail);
|
|
return pszTail;
|
|
}
|
|
|
|
HRESULT SHELL32_ParseNextElement (IShellFolder2 * psf, HWND hwndOwner, LPBC pbc,
|
|
LPITEMIDLIST * pidlInOut, LPOLESTR szNext, DWORD * pEaten, DWORD * pdwAttributes)
|
|
{
|
|
HRESULT hr = E_INVALIDARG;
|
|
LPITEMIDLIST pidlOut = NULL,
|
|
pidlTemp = NULL;
|
|
IShellFolder *psfChild;
|
|
|
|
TRACE ("(%p, %p, %p, %s)\n", psf, pbc, pidlInOut ? *pidlInOut : NULL, debugstr_w (szNext));
|
|
|
|
/* get the shellfolder for the child pidl and let it analyse further */
|
|
hr = IShellFolder_BindToObject (psf, *pidlInOut, pbc, &IID_IShellFolder, (LPVOID *) & psfChild);
|
|
|
|
if (SUCCEEDED(hr)) {
|
|
hr = IShellFolder_ParseDisplayName (psfChild, hwndOwner, pbc, szNext, pEaten, &pidlOut, pdwAttributes);
|
|
IShellFolder_Release (psfChild);
|
|
|
|
if (SUCCEEDED(hr)) {
|
|
pidlTemp = ILCombine (*pidlInOut, pidlOut);
|
|
|
|
if (!pidlTemp)
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
|
|
if (pidlOut)
|
|
ILFree (pidlOut);
|
|
}
|
|
|
|
ILFree (*pidlInOut);
|
|
*pidlInOut = pidlTemp;
|
|
|
|
TRACE ("-- pidl=%p ret=0x%08x\n", pidlInOut ? *pidlInOut : NULL, hr);
|
|
return hr;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SHELL32_CoCreateInitSF
|
|
*
|
|
* Creates a shell folder and initializes it with a pidl and a root folder
|
|
* via IPersistFolder3 or IPersistFolder.
|
|
*
|
|
* NOTES
|
|
* pathRoot can be NULL for Folders being a drive.
|
|
* In this case the absolute path is built from pidlChild (eg. C:)
|
|
*/
|
|
static HRESULT SHELL32_CoCreateInitSF (LPCITEMIDLIST pidlRoot, LPCWSTR pathRoot,
|
|
LPCITEMIDLIST pidlChild, REFCLSID clsid, LPVOID * ppvOut)
|
|
{
|
|
HRESULT hr;
|
|
|
|
TRACE ("%p %s %p\n", pidlRoot, debugstr_w(pathRoot), pidlChild);
|
|
|
|
hr = SHCoCreateInstance(NULL, clsid, NULL, &IID_IShellFolder, ppvOut);
|
|
if (SUCCEEDED (hr))
|
|
{
|
|
LPITEMIDLIST pidlAbsolute = ILCombine (pidlRoot, pidlChild);
|
|
IPersistFolder *pPF;
|
|
IPersistFolder3 *ppf;
|
|
|
|
if (_ILIsFolder(pidlChild) &&
|
|
SUCCEEDED (IUnknown_QueryInterface ((IUnknown *) * ppvOut, &IID_IPersistFolder3, (LPVOID *) & ppf)))
|
|
{
|
|
PERSIST_FOLDER_TARGET_INFO ppfti;
|
|
|
|
ZeroMemory (&ppfti, sizeof (ppfti));
|
|
|
|
/* fill the PERSIST_FOLDER_TARGET_INFO */
|
|
ppfti.dwAttributes = -1;
|
|
ppfti.csidl = -1;
|
|
|
|
/* build path */
|
|
if (pathRoot) {
|
|
lstrcpynW (ppfti.szTargetParsingName, pathRoot, MAX_PATH - 1);
|
|
PathAddBackslashW(ppfti.szTargetParsingName); /* FIXME: why have drives a backslash here ? */
|
|
}
|
|
|
|
if (pidlChild) {
|
|
int len = wcslen(ppfti.szTargetParsingName);
|
|
|
|
if (!_ILSimpleGetTextW(pidlChild, ppfti.szTargetParsingName + len, MAX_PATH - len))
|
|
hr = E_INVALIDARG;
|
|
}
|
|
|
|
IPersistFolder3_InitializeEx (ppf, NULL, pidlAbsolute, &ppfti);
|
|
IPersistFolder3_Release (ppf);
|
|
}
|
|
else if (SUCCEEDED ((hr = IUnknown_QueryInterface ((IUnknown *) * ppvOut, &IID_IPersistFolder, (LPVOID *) & pPF)))) {
|
|
IPersistFolder_Initialize (pPF, pidlAbsolute);
|
|
IPersistFolder_Release (pPF);
|
|
}
|
|
ILFree (pidlAbsolute);
|
|
}
|
|
TRACE ("-- (%p) ret=0x%08x\n", *ppvOut, hr);
|
|
return hr;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SHELL32_BindToChild [Internal]
|
|
*
|
|
* Common code for IShellFolder_BindToObject.
|
|
*
|
|
* PARAMS
|
|
* pidlRoot [I] The parent shell folder's absolute pidl.
|
|
* pathRoot [I] Absolute dos path of the parent shell folder.
|
|
* pidlComplete [I] PIDL of the child. Relative to pidlRoot.
|
|
* riid [I] GUID of the interface, which ppvOut shall be bound to.
|
|
* ppvOut [O] A reference to the child's interface (riid).
|
|
*
|
|
* NOTES
|
|
* pidlComplete has to contain at least one non empty SHITEMID.
|
|
* This function makes special assumptions on the shell namespace, which
|
|
* means you probably can't use it for your IShellFolder implementation.
|
|
*/
|
|
HRESULT SHELL32_BindToChild (LPCITEMIDLIST pidlRoot,
|
|
LPCWSTR pathRoot, LPCITEMIDLIST pidlComplete, REFIID riid, LPVOID * ppvOut)
|
|
{
|
|
GUID const *clsid;
|
|
IShellFolder *pSF;
|
|
HRESULT hr;
|
|
LPITEMIDLIST pidlChild;
|
|
|
|
if (!pidlRoot || !ppvOut || !pidlComplete || !pidlComplete->mkid.cb)
|
|
return E_INVALIDARG;
|
|
|
|
*ppvOut = NULL;
|
|
|
|
pidlChild = ILCloneFirst (pidlComplete);
|
|
|
|
if ((clsid = _ILGetGUIDPointer (pidlChild))) {
|
|
/* virtual folder */
|
|
hr = SHELL32_CoCreateInitSF (pidlRoot, pathRoot, pidlChild, clsid, (LPVOID *)&pSF);
|
|
} else {
|
|
/* file system folder */
|
|
CLSID clsidFolder = CLSID_ShellFSFolder;
|
|
static const WCHAR wszCLSID[] = {'C','L','S','I','D',0};
|
|
WCHAR wszCLSIDValue[CHARS_IN_GUID], wszFolderPath[MAX_PATH], *pwszPathTail = wszFolderPath;
|
|
|
|
/* see if folder CLSID should be overridden by desktop.ini file */
|
|
if (pathRoot) {
|
|
lstrcpynW(wszFolderPath, pathRoot, MAX_PATH);
|
|
pwszPathTail = PathAddBackslashW(wszFolderPath);
|
|
}
|
|
|
|
_ILSimpleGetTextW(pidlChild,pwszPathTail,MAX_PATH - (int)(pwszPathTail - wszFolderPath));
|
|
|
|
if (SHELL32_GetCustomFolderAttributeFromPath (wszFolderPath,
|
|
wszDotShellClassInfo, wszCLSID, wszCLSIDValue, CHARS_IN_GUID))
|
|
CLSIDFromString (wszCLSIDValue, &clsidFolder);
|
|
|
|
hr = SHELL32_CoCreateInitSF (pidlRoot, pathRoot, pidlChild,
|
|
&clsidFolder, (LPVOID *)&pSF);
|
|
}
|
|
ILFree (pidlChild);
|
|
|
|
if (SUCCEEDED (hr)) {
|
|
if (_ILIsPidlSimple (pidlComplete)) {
|
|
/* no sub folders */
|
|
hr = IShellFolder_QueryInterface (pSF, riid, ppvOut);
|
|
} else {
|
|
/* go deeper */
|
|
hr = IShellFolder_BindToObject (pSF, ILGetNext (pidlComplete), NULL, riid, ppvOut);
|
|
}
|
|
IShellFolder_Release (pSF);
|
|
}
|
|
|
|
TRACE ("-- returning (%p) %08x\n", *ppvOut, hr);
|
|
|
|
return hr;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SHELL32_GetDisplayNameOfChild
|
|
*
|
|
* Retrieves the display name of a child object of a shellfolder.
|
|
*
|
|
* For a pidl eg. [subpidl1][subpidl2][subpidl3]:
|
|
* - it binds to the child shellfolder [subpidl1]
|
|
* - asks it for the displayname of [subpidl2][subpidl3]
|
|
*
|
|
* Is possible the pidl is a simple pidl. In this case it asks the
|
|
* subfolder for the displayname of an empty pidl. The subfolder
|
|
* returns the own displayname eg. "::{guid}". This is used for
|
|
* virtual folders with the registry key WantsFORPARSING set.
|
|
*/
|
|
HRESULT SHELL32_GetDisplayNameOfChild (IShellFolder2 * psf,
|
|
LPCITEMIDLIST pidl, DWORD dwFlags, LPWSTR szOut, DWORD dwOutLen)
|
|
{
|
|
LPITEMIDLIST pidlFirst;
|
|
HRESULT hr = E_INVALIDARG;
|
|
|
|
TRACE ("(%p)->(pidl=%p 0x%08x %p 0x%08x)\n", psf, pidl, dwFlags, szOut, dwOutLen);
|
|
pdump (pidl);
|
|
|
|
pidlFirst = ILCloneFirst (pidl);
|
|
if (pidlFirst) {
|
|
IShellFolder2 *psfChild;
|
|
|
|
hr = IShellFolder_BindToObject (psf, pidlFirst, NULL, &IID_IShellFolder, (LPVOID *) & psfChild);
|
|
if (SUCCEEDED (hr)) {
|
|
STRRET strTemp;
|
|
LPITEMIDLIST pidlNext = ILGetNext (pidl);
|
|
|
|
hr = IShellFolder_GetDisplayNameOf (psfChild, pidlNext, dwFlags, &strTemp);
|
|
if (SUCCEEDED (hr)) {
|
|
if(!StrRetToStrNW (szOut, dwOutLen, &strTemp, pidlNext))
|
|
hr = E_FAIL;
|
|
}
|
|
IShellFolder_Release (psfChild);
|
|
}
|
|
ILFree (pidlFirst);
|
|
} else
|
|
hr = E_OUTOFMEMORY;
|
|
|
|
TRACE ("-- ret=0x%08x %s\n", hr, debugstr_w(szOut));
|
|
|
|
return hr;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SHELL32_GetItemAttributes
|
|
*
|
|
* NOTES
|
|
* Observed values:
|
|
* folder: 0xE0000177 FILESYSTEM | HASSUBFOLDER | FOLDER
|
|
* file: 0x40000177 FILESYSTEM
|
|
* drive: 0xf0000144 FILESYSTEM | HASSUBFOLDER | FOLDER | FILESYSANCESTOR
|
|
* mycomputer: 0xb0000154 HASSUBFOLDER | FOLDER | FILESYSANCESTOR
|
|
* (seems to be default for shell extensions if no registry entry exists)
|
|
*
|
|
* win2k:
|
|
* folder: 0xF0400177 FILESYSTEM | HASSUBFOLDER | FOLDER | FILESYSANCESTOR | CANMONIKER
|
|
* file: 0x40400177 FILESYSTEM | CANMONIKER
|
|
* drive 0xF0400154 FILESYSTEM | HASSUBFOLDER | FOLDER | FILESYSANCESTOR | CANMONIKER | CANRENAME (LABEL)
|
|
*
|
|
* According to the MSDN documentation this function should not set flags. It claims only to reset flags when necessary.
|
|
* However it turns out the native shell32.dll _sets_ flags in several cases - so do we.
|
|
*/
|
|
HRESULT SHELL32_GetItemAttributes (IShellFolder * psf, LPCITEMIDLIST pidl, LPDWORD pdwAttributes)
|
|
{
|
|
DWORD dwAttributes;
|
|
BOOL has_guid;
|
|
static const DWORD dwSupportedAttr=
|
|
SFGAO_CANCOPY | /*0x00000001 */
|
|
SFGAO_CANMOVE | /*0x00000002 */
|
|
SFGAO_CANLINK | /*0x00000004 */
|
|
SFGAO_CANRENAME | /*0x00000010 */
|
|
SFGAO_CANDELETE | /*0x00000020 */
|
|
SFGAO_HASPROPSHEET | /*0x00000040 */
|
|
SFGAO_DROPTARGET | /*0x00000100 */
|
|
SFGAO_LINK | /*0x00010000 */
|
|
SFGAO_READONLY | /*0x00040000 */
|
|
SFGAO_HIDDEN | /*0x00080000 */
|
|
SFGAO_FILESYSANCESTOR | /*0x10000000 */
|
|
SFGAO_FOLDER | /*0x20000000 */
|
|
SFGAO_FILESYSTEM | /*0x40000000 */
|
|
SFGAO_HASSUBFOLDER; /*0x80000000 */
|
|
|
|
TRACE ("0x%08x\n", *pdwAttributes);
|
|
|
|
if (*pdwAttributes & ~dwSupportedAttr)
|
|
{
|
|
WARN ("attributes 0x%08x not implemented\n", (*pdwAttributes & ~dwSupportedAttr));
|
|
*pdwAttributes &= dwSupportedAttr;
|
|
}
|
|
|
|
has_guid = _ILGetGUIDPointer(pidl) != NULL;
|
|
|
|
dwAttributes = *pdwAttributes;
|
|
|
|
if (_ILIsDrive (pidl)) {
|
|
*pdwAttributes &= SFGAO_HASSUBFOLDER|SFGAO_FILESYSTEM|SFGAO_FOLDER|SFGAO_FILESYSANCESTOR|
|
|
SFGAO_DROPTARGET|SFGAO_HASPROPSHEET|SFGAO_CANRENAME;
|
|
} else if (has_guid && HCR_GetFolderAttributes(pidl, &dwAttributes)) {
|
|
*pdwAttributes = dwAttributes;
|
|
} else if (_ILGetDataPointer (pidl)) {
|
|
dwAttributes = _ILGetFileAttributes (pidl, NULL, 0);
|
|
|
|
if (!dwAttributes && has_guid) {
|
|
WCHAR path[MAX_PATH];
|
|
STRRET strret;
|
|
|
|
/* File attributes are not present in the internal PIDL structure, so get them from the file system. */
|
|
|
|
HRESULT hr = IShellFolder_GetDisplayNameOf(psf, pidl, SHGDN_FORPARSING, &strret);
|
|
|
|
if (SUCCEEDED(hr)) {
|
|
hr = StrRetToBufW(&strret, pidl, path, MAX_PATH);
|
|
|
|
/* call GetFileAttributes() only for file system paths, not for parsing names like "::{...}" */
|
|
if (SUCCEEDED(hr) && path[0]!=':')
|
|
dwAttributes = GetFileAttributesW(path);
|
|
}
|
|
}
|
|
|
|
/* Set common attributes */
|
|
*pdwAttributes |= SFGAO_FILESYSTEM | SFGAO_DROPTARGET | SFGAO_HASPROPSHEET | SFGAO_CANDELETE |
|
|
SFGAO_CANRENAME | SFGAO_CANLINK | SFGAO_CANMOVE | SFGAO_CANCOPY;
|
|
|
|
if (dwAttributes & FILE_ATTRIBUTE_DIRECTORY)
|
|
{
|
|
*pdwAttributes |= (SFGAO_FOLDER | SFGAO_HASSUBFOLDER | SFGAO_FILESYSANCESTOR);
|
|
*pdwAttributes &= ~SFGAO_CANLINK;
|
|
}
|
|
else
|
|
*pdwAttributes &= ~(SFGAO_FOLDER | SFGAO_HASSUBFOLDER | SFGAO_FILESYSANCESTOR);
|
|
|
|
if (dwAttributes & FILE_ATTRIBUTE_HIDDEN)
|
|
*pdwAttributes |= SFGAO_HIDDEN;
|
|
else
|
|
*pdwAttributes &= ~SFGAO_HIDDEN;
|
|
|
|
if (dwAttributes & FILE_ATTRIBUTE_READONLY)
|
|
*pdwAttributes |= SFGAO_READONLY;
|
|
else
|
|
*pdwAttributes &= ~SFGAO_READONLY;
|
|
|
|
if (SFGAO_LINK & *pdwAttributes) {
|
|
char ext[MAX_PATH];
|
|
|
|
if (!_ILGetExtension(pidl, ext, MAX_PATH) || lstrcmpiA(ext, "lnk"))
|
|
*pdwAttributes &= ~SFGAO_LINK;
|
|
}
|
|
|
|
if (SFGAO_HASSUBFOLDER & *pdwAttributes)
|
|
{
|
|
IShellFolder *psf2;
|
|
if (SUCCEEDED(IShellFolder_BindToObject(psf, pidl, 0, (REFIID)&IID_IShellFolder, (LPVOID *)&psf2)))
|
|
{
|
|
IEnumIDList *pEnumIL = NULL;
|
|
if (SUCCEEDED(IShellFolder_EnumObjects(psf2, 0, SHCONTF_FOLDERS, &pEnumIL)))
|
|
{
|
|
if (IEnumIDList_Skip(pEnumIL, 1) != S_OK)
|
|
*pdwAttributes &= ~SFGAO_HASSUBFOLDER;
|
|
IEnumIDList_Release(pEnumIL);
|
|
}
|
|
IShellFolder_Release(psf2);
|
|
}
|
|
}
|
|
} else {
|
|
*pdwAttributes &= SFGAO_HASSUBFOLDER|SFGAO_FOLDER|SFGAO_FILESYSANCESTOR|SFGAO_DROPTARGET|SFGAO_HASPROPSHEET|SFGAO_CANRENAME|SFGAO_CANLINK;
|
|
}
|
|
TRACE ("-- 0x%08x\n", *pdwAttributes);
|
|
return S_OK;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SHELL32_CompareIDs
|
|
*/
|
|
HRESULT SHELL32_CompareIDs (IShellFolder * iface, LPARAM lParam, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
|
|
{
|
|
int type1,
|
|
type2;
|
|
char szTemp1[MAX_PATH];
|
|
char szTemp2[MAX_PATH];
|
|
HRESULT nReturn;
|
|
LPITEMIDLIST firstpidl,
|
|
nextpidl1,
|
|
nextpidl2;
|
|
IShellFolder *psf;
|
|
|
|
/* test for empty pidls */
|
|
BOOL isEmpty1 = _ILIsDesktop (pidl1);
|
|
BOOL isEmpty2 = _ILIsDesktop (pidl2);
|
|
|
|
if (isEmpty1 && isEmpty2)
|
|
return MAKE_HRESULT( SEVERITY_SUCCESS, 0, 0 );
|
|
if (isEmpty1)
|
|
return MAKE_HRESULT( SEVERITY_SUCCESS, 0, (WORD)-1 );
|
|
if (isEmpty2)
|
|
return MAKE_HRESULT( SEVERITY_SUCCESS, 0, 1 );
|
|
|
|
/* test for different types. Sort order is the PT_* constant */
|
|
type1 = _ILGetDataPointer (pidl1)->type;
|
|
type2 = _ILGetDataPointer (pidl2)->type;
|
|
if (type1 < type2)
|
|
return MAKE_HRESULT( SEVERITY_SUCCESS, 0, (WORD)-1 );
|
|
else if (type1 > type2)
|
|
return MAKE_HRESULT( SEVERITY_SUCCESS, 0, 1 );
|
|
|
|
/* test for name of pidl */
|
|
_ILSimpleGetText (pidl1, szTemp1, MAX_PATH);
|
|
_ILSimpleGetText (pidl2, szTemp2, MAX_PATH);
|
|
nReturn = lstrcmpiA (szTemp1, szTemp2);
|
|
if (nReturn < 0)
|
|
return MAKE_HRESULT( SEVERITY_SUCCESS, 0, (WORD)-1 );
|
|
else if (nReturn > 0)
|
|
return MAKE_HRESULT( SEVERITY_SUCCESS, 0, 1 );
|
|
|
|
/* test of complex pidls */
|
|
firstpidl = ILCloneFirst (pidl1);
|
|
nextpidl1 = ILGetNext (pidl1);
|
|
nextpidl2 = ILGetNext (pidl2);
|
|
|
|
/* optimizing: test special cases and bind not deeper */
|
|
/* the deeper shellfolder would do the same */
|
|
isEmpty1 = _ILIsDesktop (nextpidl1);
|
|
isEmpty2 = _ILIsDesktop (nextpidl2);
|
|
|
|
if (isEmpty1 && isEmpty2) {
|
|
return MAKE_HRESULT( SEVERITY_SUCCESS, 0, 0 );
|
|
} else if (isEmpty1) {
|
|
return MAKE_HRESULT( SEVERITY_SUCCESS, 0, (WORD)-1 );
|
|
} else if (isEmpty2) {
|
|
return MAKE_HRESULT( SEVERITY_SUCCESS, 0, 1 );
|
|
/* optimizing end */
|
|
} else if (SUCCEEDED (IShellFolder_BindToObject (iface, firstpidl, NULL, &IID_IShellFolder, (LPVOID *) & psf))) {
|
|
nReturn = IShellFolder_CompareIDs (psf, lParam, nextpidl1, nextpidl2);
|
|
IShellFolder_Release (psf);
|
|
}
|
|
ILFree (firstpidl);
|
|
return nReturn;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SHCreateLinks
|
|
*
|
|
* Undocumented.
|
|
*/
|
|
HRESULT WINAPI SHCreateLinks( HWND hWnd, LPCSTR lpszDir, LPDATAOBJECT lpDataObject,
|
|
UINT uFlags, LPITEMIDLIST *lppidlLinks)
|
|
{
|
|
FIXME("%p %s %p %08x %p\n",hWnd,lpszDir,lpDataObject,uFlags,lppidlLinks);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SHOpenFolderAndSelectItems
|
|
*
|
|
* Unimplemented.
|
|
*/
|
|
HRESULT
|
|
WINAPI
|
|
SHOpenFolderAndSelectItems(LPITEMIDLIST pidlFolder,
|
|
UINT cidl,
|
|
PCUITEMID_CHILD_ARRAY *apidl,
|
|
DWORD dwFlags)
|
|
{
|
|
FIXME("SHOpenFolderAndSelectItems() stub\n");
|
|
return E_NOTIMPL;
|
|
}
|