dll/win32/browseui/shellfind/CFindFolder.cpp

   1 /*
   2  * PROJECT:     ReactOS Search Shell Extension
   3  * LICENSE:     GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
   4  * PURPOSE:     Search results folder
   5  * COPYRIGHT:   Copyright 2019 Brock Mammen
   6  */
   7
   8 #include "CFindFolder.h"
   9 #include <exdispid.h>
  10
  11 WINE_DEFAULT_DEBUG_CHANNEL(shellfind);
  12
  13 // FIXME: Remove this declaration after the function has been fully implemented
  14 EXTERN_C HRESULT
  15 WINAPI
  16 SHOpenFolderAndSelectItems(LPITEMIDLIST pidlFolder,
  17                            UINT cidl,
  18                            PCUITEMID_CHILD_ARRAY apidl,
  19                            DWORD dwFlags);
  20
  21 struct FolderViewColumns
  22 {
  23     LPCWSTR wzColumnName;
  24     DWORD dwDefaultState;
  25     int fmt;
  26     int cxChar;
  27 };
  28
  29 static FolderViewColumns g_ColumnDefs[] =
  30 {
  31     {L"Name",      SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_LEFT, 30},
  32     {L"In Folder", SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_LEFT, 30},
  33     {L"Relevance", SHCOLSTATE_TYPE_STR,                          LVCFMT_LEFT, 0}
  34 };
  35
  36 CFindFolder::CFindFolder() :
  37     m_hStopEvent(NULL)
  38 {
  39 }
  40
  41 static LPITEMIDLIST _ILCreate(LPCWSTR lpszPath)
  42 {
  43     CComHeapPtr<ITEMIDLIST> lpFSPidl(ILCreateFromPathW(lpszPath));
  44     if (!(LPITEMIDLIST)lpFSPidl)
  45     {
  46         ERR("Failed to create pidl from path\n");
  47         return 0;
  48     }
  49     LPITEMIDLIST lpLastFSPidl = ILFindLastID(lpFSPidl);
  50
  51     int pathLen = (wcslen(lpszPath) + 1) * sizeof(WCHAR);
  52     int cbData = sizeof(WORD) + pathLen + lpLastFSPidl->mkid.cb;
  53     LPITEMIDLIST pidl = (LPITEMIDLIST) SHAlloc(cbData + sizeof(WORD));
  54     if (!pidl)
  55         return NULL;
  56
  57     LPBYTE p = (LPBYTE) pidl;
  58     *((WORD *) p) = cbData;
  59     p += sizeof(WORD);
  60
  61     memcpy(p, lpszPath, pathLen);
  62     p += pathLen;
  63
  64     memcpy(p, lpLastFSPidl, lpLastFSPidl->mkid.cb);
  65     p += lpLastFSPidl->mkid.cb;
  66
  67     *((WORD *) p) = 0;
  68
  69     return pidl;
  70 }
  71
  72 static LPCWSTR _ILGetPath(LPCITEMIDLIST pidl)
  73 {
  74     if (!pidl || !pidl->mkid.cb)
  75         return NULL;
  76     return (LPCWSTR) pidl->mkid.abID;
  77 }
  78
  79 static LPCITEMIDLIST _ILGetFSPidl(LPCITEMIDLIST pidl)
  80 {
  81     if (!pidl || !pidl->mkid.cb)
  82         return pidl;
  83     return (LPCITEMIDLIST) ((LPBYTE) pidl->mkid.abID
  84                             + ((wcslen((LPCWSTR) pidl->mkid.abID) + 1) * sizeof(WCHAR)));
  85 }
  86
  87 struct _SearchData
  88 {
  89     HWND hwnd;
  90     HANDLE hStopEvent;
  91     CStringW szPath;
  92     CStringW szFileName;
  93     CStringA szQueryA;
  94     CStringW szQueryW;
  95     CComPtr<CFindFolder> pFindFolder;
  96 };
  97
  98 template<typename TChar, typename TString, int (&StrNCmp)(const TChar *, const TChar *, size_t)>
  99 static const TChar* StrStrN(const TChar *lpFirst, const TString &lpSrch, UINT cchMax)
 100 {
 101     if (!lpFirst || lpSrch.IsEmpty() || !cchMax)
 102         return NULL;
 103
 104     for (UINT i = cchMax; i > 0 && *lpFirst; i--, lpFirst++)
 105     {
 106         if (!StrNCmp(lpFirst, lpSrch, lpSrch.GetLength()))
 107             return (const TChar*)lpFirst;
 108     }
 109
 110     return NULL;
 111 }
 112
 113 template<typename TChar, typename TString, int (&StrNCmp)(const TChar *, const TChar *, size_t)>
 114 static UINT StrStrNCount(const TChar *lpFirst, const TString &lpSrch, UINT cchMax)
 115 {
 116     const TChar *lpSearchEnd = lpFirst + cchMax;
 117     UINT uCount = 0;
 118     while (lpFirst < lpSearchEnd && (lpFirst = StrStrN<TChar, TString, StrNCmp>(lpFirst, lpSrch, cchMax)))
 119     {
 120         uCount++;
 121         lpFirst += lpSrch.GetLength();
 122         cchMax = lpSearchEnd - lpFirst;
 123     }
 124     return uCount;
 125 }
 126
 127 static UINT StrStrCountNIA(const CHAR *lpFirst, const CStringA &lpSrch, UINT cchMax)
 128 {
 129     return StrStrNCount<CHAR, CStringA, _strnicmp>(lpFirst, lpSrch, cchMax);
 130 }
 131
 132 static UINT StrStrCountNIW(const WCHAR *lpFirst, const CStringW &lpSrch, UINT cchMax)
 133 {
 134     return StrStrNCount<WCHAR, CStringW, _wcsnicmp>(lpFirst, lpSrch, cchMax);
 135 }
 136
 137 static UINT SearchFile(LPCWSTR lpFilePath, _SearchData *pSearchData)
 138 {
 139     HANDLE hFile = CreateFileW(lpFilePath, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_READONLY, NULL);
 140     if (hFile == INVALID_HANDLE_VALUE)
 141         return 0;
 142
 143     DWORD size = GetFileSize(hFile, NULL);
 144     HANDLE hFileMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL);
 145     CloseHandle(hFile);
 146     if (hFileMap == INVALID_HANDLE_VALUE)
 147         return 0;
 148
 149     LPBYTE lpFileContent = (LPBYTE) MapViewOfFile(hFileMap, FILE_MAP_READ, 0, 0, 0);
 150     CloseHandle(hFileMap);
 151     if (!lpFileContent)
 152         return 0;
 153
 154     UINT uMatches = 0;
 155     // Check for UTF-16 BOM
 156     if (size >= 2 && lpFileContent[0] == 0xFF && lpFileContent[1] == 0xFE)
 157     {
 158         uMatches = StrStrCountNIW((LPCWSTR) lpFileContent, pSearchData->szQueryW, size / sizeof(WCHAR));
 159     }
 160     else
 161     {
 162         uMatches = StrStrCountNIA((LPCSTR) lpFileContent, pSearchData->szQueryA, size / sizeof(CHAR));
 163     }
 164
 165     UnmapViewOfFile(lpFileContent);
 166
 167     return uMatches;
 168 }
 169
 170 static UINT RecursiveFind(LPCWSTR lpPath, _SearchData *pSearchData)
 171 {
 172     if (WaitForSingleObject(pSearchData->hStopEvent, 0) != WAIT_TIMEOUT)
 173         return 0;
 174
 175     WCHAR szPath[MAX_PATH];
 176     WIN32_FIND_DATAW FindData;
 177     HANDLE hFindFile;
 178     BOOL bMoreFiles = TRUE;
 179     UINT uTotalFound = 0;
 180
 181     PathCombineW(szPath, lpPath, L"*.*");
 182
 183     for (hFindFile = FindFirstFileW(szPath, &FindData);
 184         bMoreFiles && hFindFile != INVALID_HANDLE_VALUE;
 185         bMoreFiles = FindNextFileW(hFindFile, &FindData))
 186     {
 187         if (!wcscmp(FindData.cFileName, L".") || !wcscmp(FindData.cFileName, L".."))
 188             continue;
 189
 190         PathCombineW(szPath, lpPath, FindData.cFileName);
 191
 192         if (FindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 193         {
 194             CStringW status;
 195             status.Format(IDS_SEARCH_FOLDER, FindData.cFileName);
 196             PostMessageW(pSearchData->hwnd, WM_SEARCH_UPDATE_STATUS, 0, (LPARAM) StrDupW(status.GetBuffer()));
 197
 198             uTotalFound += RecursiveFind(szPath, pSearchData);
 199         }
 200         else if ((pSearchData->szFileName.IsEmpty() || PathMatchSpecW(FindData.cFileName, pSearchData->szFileName))
 201                 && (pSearchData->szQueryA.IsEmpty() || SearchFile(szPath, pSearchData)))
 202         {
 203             uTotalFound++;
 204             PostMessageW(pSearchData->hwnd, WM_SEARCH_ADD_RESULT, 0, (LPARAM) StrDupW(szPath));
 205         }
 206     }
 207
 208     if (hFindFile != INVALID_HANDLE_VALUE)
 209         FindClose(hFindFile);
 210
 211     return uTotalFound;
 212 }
 213
 214 DWORD WINAPI CFindFolder::SearchThreadProc(LPVOID lpParameter)
 215 {
 216     _SearchData *data = static_cast<_SearchData*>(lpParameter);
 217
 218     data->pFindFolder->NotifyConnections(DISPID_SEARCHSTART);
 219
 220     UINT uTotalFound = RecursiveFind(data->szPath, data);
 221
 222     data->pFindFolder->NotifyConnections(DISPID_SEARCHCOMPLETE);
 223
 224     CStringW status;
 225     status.Format(IDS_SEARCH_FILES_FOUND, uTotalFound);
 226     ::PostMessageW(data->hwnd, WM_SEARCH_UPDATE_STATUS, 0, (LPARAM) StrDupW(status.GetBuffer()));
 227
 228     delete data;
 229
 230     return 0;
 231 }
 232
 233 void CFindFolder::NotifyConnections(DISPID id)
 234 {
 235     DISPPARAMS dispatchParams = {0};
 236     CComDynamicUnkArray &subscribers =
 237         IConnectionPointImpl<CFindFolder, &DIID_DSearchCommandEvents>::m_vec;
 238     for (IUnknown** pSubscriber = subscribers.begin(); pSubscriber < subscribers.end(); pSubscriber++)
 239     {
 240         if (!*pSubscriber)
 241             continue;
 242
 243         CComPtr<IDispatch> pDispatch;
 244         HRESULT hResult = (*pSubscriber)->QueryInterface(IID_PPV_ARG(IDispatch, &pDispatch));
 245         if (!FAILED_UNEXPECTEDLY(hResult))
 246             pDispatch->Invoke(id, GUID_NULL, 0, DISPATCH_METHOD, &dispatchParams, NULL, NULL, NULL);
 247     }
 248 }
 249
 250 LRESULT CFindFolder::StartSearch(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
 251 {
 252     if (!lParam)
 253         return 0;
 254
 255     // Clear all previous search results
 256     UINT uItemIndex;
 257     m_shellFolderView->RemoveObject(NULL, &uItemIndex);
 258
 259     _SearchData* pSearchData = new _SearchData();
 260     pSearchData->pFindFolder = this;
 261     pSearchData->hwnd = m_hWnd;
 262
 263     SearchStart *pSearchParams = (SearchStart *) lParam;
 264     pSearchData->szPath = pSearchParams->szPath;
 265     pSearchData->szFileName = pSearchParams->szFileName;
 266     pSearchData->szQueryA = pSearchParams->szQuery;
 267     pSearchData->szQueryW = pSearchParams->szQuery;
 268     SHFree(pSearchParams);
 269
 270     if (m_hStopEvent)
 271         SetEvent(m_hStopEvent);
 272     pSearchData->hStopEvent = m_hStopEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
 273
 274     if (!SHCreateThread(SearchThreadProc, pSearchData, NULL, NULL))
 275     {
 276         SHFree(pSearchData);
 277         return HRESULT_FROM_WIN32(GetLastError());
 278     }
 279
 280     return S_OK;
 281 }
 282
 283 LRESULT CFindFolder::StopSearch(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
 284 {
 285     if (m_hStopEvent)
 286     {
 287         SetEvent(m_hStopEvent);
 288         m_hStopEvent = NULL;
 289     }
 290     return 0;
 291 }
 292
 293 LRESULT CFindFolder::AddResult(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
 294 {
 295     if (!lParam)
 296         return 0;
 297
 298     CComHeapPtr<WCHAR> lpPath((LPWSTR) lParam);
 299
 300     CComHeapPtr<ITEMIDLIST> lpSearchPidl(_ILCreate(lpPath));
 301     if (lpSearchPidl)
 302     {
 303         UINT uItemIndex;
 304         m_shellFolderView->AddObject(lpSearchPidl, &uItemIndex);
 305     }
 306
 307     return 0;
 308 }
 309
 310 LRESULT CFindFolder::UpdateStatus(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
 311 {
 312     CComHeapPtr<WCHAR> status((LPWSTR) lParam);
 313     if (m_shellBrowser)
 314     {
 315         m_shellBrowser->SetStatusTextSB(status);
 316     }
 317
 318     return S_OK;
 319 }
 320
 321 // *** IShellFolder2 methods ***
 322 STDMETHODIMP CFindFolder::GetDefaultSearchGUID(GUID *pguid)
 323 {
 324     UNIMPLEMENTED;
 325     return E_NOTIMPL;
 326 }
 327
 328 STDMETHODIMP CFindFolder::EnumSearches(IEnumExtraSearch **ppenum)
 329 {
 330     UNIMPLEMENTED;
 331     return E_NOTIMPL;
 332 }
 333
 334 STDMETHODIMP CFindFolder::GetDefaultColumn(DWORD, ULONG *pSort, ULONG *pDisplay)
 335 {
 336     if (pSort)
 337         *pSort = 0;
 338     if (pDisplay)
 339         *pDisplay = 0;
 340     return S_OK;
 341 }
 342
 343 STDMETHODIMP CFindFolder::GetDefaultColumnState(UINT iColumn, DWORD *pcsFlags)
 344 {
 345     if (!pcsFlags)
 346         return E_INVALIDARG;
 347     if (iColumn >= _countof(g_ColumnDefs))
 348         return m_pisfInner->GetDefaultColumnState(iColumn - _countof(g_ColumnDefs) + 1, pcsFlags);
 349     *pcsFlags = g_ColumnDefs[iColumn].dwDefaultState;
 350     return S_OK;
 351 }
 352
 353 STDMETHODIMP CFindFolder::GetDetailsEx(PCUITEMID_CHILD pidl, const SHCOLUMNID *pscid, VARIANT *pv)
 354 {
 355     return m_pisfInner->GetDetailsEx(pidl, pscid, pv);
 356 }
 357
 358 STDMETHODIMP CFindFolder::GetDetailsOf(PCUITEMID_CHILD pidl, UINT iColumn, SHELLDETAILS *pDetails)
 359 {
 360     if (iColumn >= _countof(g_ColumnDefs))
 361         return m_pisfInner->GetDetailsOf(_ILGetFSPidl(pidl), iColumn - _countof(g_ColumnDefs) + 1, pDetails);
 362
 363     pDetails->cxChar = g_ColumnDefs[iColumn].cxChar;
 364     pDetails->fmt = g_ColumnDefs[iColumn].fmt;
 365
 366     if (!pidl)
 367         return SHSetStrRet(&pDetails->str, g_ColumnDefs[iColumn].wzColumnName);
 368
 369     if (iColumn == 1)
 370     {
 371         WCHAR path[MAX_PATH];
 372         wcscpy(path, _ILGetPath(pidl));
 373         PathRemoveFileSpecW(path);
 374         return SHSetStrRet(&pDetails->str, path);
 375     }
 376
 377     return GetDisplayNameOf(pidl, SHGDN_NORMAL, &pDetails->str);
 378 }
 379
 380 STDMETHODIMP CFindFolder::MapColumnToSCID(UINT iColumn, SHCOLUMNID *pscid)
 381 {
 382     UNIMPLEMENTED;
 383     return E_NOTIMPL;
 384 }
 385
 386 // *** IShellFolder methods ***
 387 STDMETHODIMP CFindFolder::ParseDisplayName(HWND hwndOwner, LPBC pbc, LPOLESTR lpszDisplayName, ULONG *pchEaten,
 388                                            PIDLIST_RELATIVE *ppidl, ULONG *pdwAttributes)
 389 {
 390     UNIMPLEMENTED;
 391     return E_NOTIMPL;
 392 }
 393
 394 STDMETHODIMP CFindFolder::EnumObjects(HWND hwndOwner, DWORD dwFlags, LPENUMIDLIST *ppEnumIDList)
 395 {
 396     *ppEnumIDList = NULL;
 397     return S_FALSE;
 398 }
 399
 400 STDMETHODIMP CFindFolder::BindToObject(PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut)
 401 {
 402     UNIMPLEMENTED;
 403     return E_NOTIMPL;
 404 }
 405
 406 STDMETHODIMP CFindFolder::BindToStorage(PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut)
 407 {
 408     UNIMPLEMENTED;
 409     return E_NOTIMPL;
 410 }
 411
 412 STDMETHODIMP CFindFolder::CompareIDs(LPARAM lParam, PCUIDLIST_RELATIVE pidl1, PCUIDLIST_RELATIVE pidl2)
 413 {
 414     return m_pisfInner->CompareIDs(lParam, _ILGetFSPidl(pidl1), _ILGetFSPidl(pidl2));
 415 }
 416
 417 STDMETHODIMP CFindFolder::CreateViewObject(HWND hwndOwner, REFIID riid, LPVOID *ppvOut)
 418 {
 419     if (riid == IID_IShellView)
 420     {
 421         SFV_CREATE sfvparams = {};
 422         sfvparams.cbSize = sizeof(SFV_CREATE);
 423         sfvparams.pshf = this;
 424         sfvparams.psfvcb = this;
 425         HRESULT hr = SHCreateShellFolderView(&sfvparams, (IShellView **) ppvOut);
 426         if (FAILED_UNEXPECTEDLY(hr))
 427         {
 428             return hr;
 429         }
 430
 431         return ((IShellView * ) * ppvOut)->QueryInterface(IID_PPV_ARG(IShellFolderView, &m_shellFolderView));
 432     }
 433     return E_NOINTERFACE;
 434 }
 435
 436 STDMETHODIMP CFindFolder::GetAttributesOf(UINT cidl, PCUITEMID_CHILD_ARRAY apidl, DWORD *rgfInOut)
 437 {
 438     CComHeapPtr<PCITEMID_CHILD> aFSPidl;
 439     aFSPidl.Allocate(cidl);
 440     for (UINT i = 0; i < cidl; i++)
 441     {
 442         aFSPidl[i] = _ILGetFSPidl(apidl[i]);
 443     }
 444
 445     return m_pisfInner->GetAttributesOf(cidl, aFSPidl, rgfInOut);
 446 }
 447
 448 STDMETHODIMP CFindFolder::GetUIObjectOf(HWND hwndOwner, UINT cidl, PCUITEMID_CHILD_ARRAY apidl, REFIID riid,
 449                                         UINT *prgfInOut, LPVOID *ppvOut)
 450 {
 451     if (riid == IID_IDataObject && cidl == 1)
 452     {
 453         WCHAR path[MAX_PATH];
 454         wcscpy(path, (LPCWSTR) apidl[0]->mkid.abID);
 455         PathRemoveFileSpecW(path);
 456         CComHeapPtr<ITEMIDLIST> rootPidl(ILCreateFromPathW(path));
 457         if (!rootPidl)
 458             return E_OUTOFMEMORY;
 459         PCITEMID_CHILD aFSPidl[1];
 460         aFSPidl[0] = _ILGetFSPidl(apidl[0]);
 461         return IDataObject_Constructor(hwndOwner, rootPidl, aFSPidl, cidl, (IDataObject **) ppvOut);
 462     }
 463
 464     if (cidl <= 0)
 465     {
 466         return m_pisfInner->GetUIObjectOf(hwndOwner, cidl, apidl, riid, prgfInOut, ppvOut);
 467     }
 468
 469     PCITEMID_CHILD *aFSPidl = new PCITEMID_CHILD[cidl];
 470     for (UINT i = 0; i < cidl; i++)
 471     {
 472         aFSPidl[i] = _ILGetFSPidl(apidl[i]);
 473     }
 474
 475     if (riid == IID_IContextMenu)
 476     {
 477         HKEY hKeys[16];
 478         UINT cKeys = 0;
 479         AddFSClassKeysToArray(aFSPidl[0], hKeys, &cKeys);
 480
 481         DEFCONTEXTMENU dcm;
 482         dcm.hwnd = hwndOwner;
 483         dcm.pcmcb = this;
 484         dcm.pidlFolder = m_pidl;
 485         dcm.psf = this;
 486         dcm.cidl = cidl;
 487         dcm.apidl = apidl;
 488         dcm.cKeys = cKeys;
 489         dcm.aKeys = hKeys;
 490         dcm.punkAssociationInfo = NULL;
 491         HRESULT hr = SHCreateDefaultContextMenu(&dcm, riid, ppvOut);
 492         delete[] aFSPidl;
 493
 494         return hr;
 495     }
 496
 497     HRESULT hr = m_pisfInner->GetUIObjectOf(hwndOwner, cidl, aFSPidl, riid, prgfInOut, ppvOut);
 498     delete[] aFSPidl;
 499
 500     return hr;
 501 }
 502
 503 STDMETHODIMP CFindFolder::GetDisplayNameOf(PCUITEMID_CHILD pidl, DWORD dwFlags, LPSTRRET pName)
 504 {
 505     return m_pisfInner->GetDisplayNameOf(_ILGetFSPidl(pidl), dwFlags, pName);
 506 }
 507
 508 STDMETHODIMP CFindFolder::SetNameOf(HWND hwndOwner, PCUITEMID_CHILD pidl, LPCOLESTR lpName, DWORD dwFlags,
 509                                     PITEMID_CHILD *pPidlOut)
 510 {
 511     UNIMPLEMENTED;
 512     return E_NOTIMPL;
 513 }
 514
 515 //// *** IShellFolderViewCB method ***
 516 STDMETHODIMP CFindFolder::MessageSFVCB(UINT uMsg, WPARAM wParam, LPARAM lParam)
 517 {
 518     switch (uMsg)
 519     {
 520         case SFVM_DEFVIEWMODE:
 521         {
 522             FOLDERVIEWMODE *pViewMode = (FOLDERVIEWMODE *) lParam;
 523             *pViewMode = FVM_DETAILS;
 524             return S_OK;
 525         }
 526         case SFVM_WINDOWCREATED:
 527         {
 528             SubclassWindow((HWND) wParam);
 529
 530             CComPtr<IServiceProvider> pServiceProvider;
 531             HRESULT hr = m_shellFolderView->QueryInterface(IID_PPV_ARG(IServiceProvider, &pServiceProvider));
 532             if (FAILED_UNEXPECTEDLY(hr))
 533             {
 534                 return hr;
 535             }
 536             return pServiceProvider->QueryService(SID_SShellBrowser, IID_PPV_ARG(IShellBrowser, &m_shellBrowser));
 537         }
 538     }
 539     return E_NOTIMPL;
 540 }
 541
 542 //// *** IContextMenuCB method ***
 543 STDMETHODIMP CFindFolder::CallBack(IShellFolder *psf, HWND hwndOwner, IDataObject *pdtobj, UINT uMsg, WPARAM wParam, LPARAM lParam)
 544 {
 545     switch (uMsg)
 546     {
 547         case DFM_MERGECONTEXTMENU:
 548         {
 549             QCMINFO *pqcminfo = (QCMINFO *) lParam;
 550             _InsertMenuItemW(pqcminfo->hmenu, pqcminfo->indexMenu++, TRUE, pqcminfo->idCmdFirst++, MFT_SEPARATOR, NULL, 0);
 551             _InsertMenuItemW(pqcminfo->hmenu, pqcminfo->indexMenu++, TRUE, pqcminfo->idCmdFirst++, MFT_STRING, L"Open Containing Folder", MFS_ENABLED);
 552             _InsertMenuItemW(pqcminfo->hmenu, pqcminfo->indexMenu++, TRUE, pqcminfo->idCmdFirst++, MFT_SEPARATOR, NULL, 0);
 553             return S_OK;
 554         }
 555         case DFM_INVOKECOMMAND:
 556         case DFM_INVOKECOMMANDEX:
 557         {
 558             if (wParam != 1)
 559                 break;
 560
 561             PCUITEMID_CHILD *apidl;
 562             UINT cidl;
 563             HRESULT hr = m_shellFolderView->GetSelectedObjects(&apidl, &cidl);
 564             if (FAILED_UNEXPECTEDLY(hr))
 565                 return hr;
 566
 567             for (UINT i = 0; i < cidl; i++)
 568             {
 569                 CComHeapPtr<ITEMIDLIST> pidl;
 570                 DWORD attrs = 0;
 571                 hr = SHILCreateFromPathW((LPCWSTR) apidl[i]->mkid.abID, &pidl, &attrs);
 572                 if (SUCCEEDED(hr))
 573                 {
 574                     SHOpenFolderAndSelectItems(NULL, 1, &pidl, 0);
 575                 }
 576             }
 577
 578             return S_OK;
 579         }
 580         case DFM_GETDEFSTATICID:
 581             return S_FALSE;
 582     }
 583     return Shell_DefaultContextMenuCallBack(m_pisfInner, pdtobj);
 584 }
 585
 586 //// *** IPersistFolder2 methods ***
 587 STDMETHODIMP CFindFolder::GetCurFolder(LPITEMIDLIST *pidl)
 588 {
 589     *pidl = ILClone(m_pidl);
 590     return S_OK;
 591 }
 592
 593 // *** IPersistFolder methods ***
 594 STDMETHODIMP CFindFolder::Initialize(LPCITEMIDLIST pidl)
 595 {
 596     m_pidl = ILClone(pidl);
 597     if (!m_pidl)
 598         return E_OUTOFMEMORY;
 599
 600     return SHELL32_CoCreateInitSF(m_pidl,
 601                                   NULL,
 602                                   NULL,
 603                                   &CLSID_ShellFSFolder,
 604                                   IID_PPV_ARG(IShellFolder2, &m_pisfInner));
 605 }
 606
 607 // *** IPersist methods ***
 608 STDMETHODIMP CFindFolder::GetClassID(CLSID *pClassId)
 609 {
 610     if (pClassId == NULL)
 611         return E_INVALIDARG;
 612     *pClassId = CLSID_FindFolder;
 613     return S_OK;
 614 }