/* * 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 "config.h" #include "wine/port.h" #include <stdlib.h> #include <string.h> #include <stdarg.h> #include <stdio.h> #define COBJMACROS #define NONAMELESSUNION #define NONAMELESSSTRUCT #include "winerror.h" #include "windef.h" #include "winbase.h" #include "winreg.h" #include "wingdi.h" #include "winuser.h" #include "ole2.h" #include "shlguid.h" #include "pidl.h" #include "undocshell.h" #include "shell32_main.h" #include "shlwapi.h" #include "wine/debug.h" #include "shfldr.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 inline BOOL 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 = 0; 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) { LPITEMIDLIST pidlOut = NULL, pidlTemp = NULL; IShellFolder *psfChild; HRESULT hr; 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 %s %p)\n", pidlRoot, debugstr_w(pathRoot), pidlChild, debugstr_guid(clsid), ppvOut); 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 = lstrlenW(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; TRACE("(%p %s %p %s %p)\n", pidlRoot, debugstr_w(pathRoot), pidlComplete, debugstr_guid(riid), ppvOut); if (!pidlRoot || !ppvOut || _ILIsEmpty(pidlComplete)) return E_INVALIDARG; *ppvOut = NULL; pidlChild = ILCloneFirst (pidlComplete); if ((clsid = _ILGetGUIDPointer (pidlChild))) { /* virtual folder */ hr = SHELL32_CoCreateInitSF (pidlRoot, pathRoot, pidlChild, clsid, (LPVOID *)&pSF); } else if (_ILIsValue(pidlChild)) { /* Don't bind to files */ hr = HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND); } 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) 0x%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; 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_CANLINK; } 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); 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; } } 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; } HRESULT SHELL32_GetColumnDetails(const shvheader *data, int column, SHELLDETAILS *details) { details->fmt = data[column].fmt; details->cxChar = data[column].cxChar; if (SHELL_OsIsUnicode()) { details->str.u.pOleStr = CoTaskMemAlloc(MAX_PATH * sizeof(WCHAR)); if (!details->str.u.pOleStr) return E_OUTOFMEMORY; details->str.uType = STRRET_WSTR; LoadStringW(shell32_hInstance, data[column].colnameid, details->str.u.pOleStr, MAX_PATH); } else { details->str.uType = STRRET_CSTR; LoadStringA(shell32_hInstance, data[column].colnameid, details->str.u.cStr, MAX_PATH); } return S_OK; } /*********************************************************************** * 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 * * Added in XP. */ HRESULT WINAPI SHOpenFolderAndSelectItems( PCIDLIST_ABSOLUTE pidlFolder, UINT cidl, PCUITEMID_CHILD_ARRAY *apidl, DWORD flags ) { FIXME("%p %u %p 0x%x: stub\n", pidlFolder, cidl, apidl, flags); return E_NOTIMPL; }