git.oblomov.eu Git - wine/blob - dlls/shell32/shfldr_mycomp.c

   1
   2 /*
   3  *      Virtual Workplace folder
   4  *
   5  *      Copyright 1997                  Marcus Meissner
   6  *      Copyright 1998, 1999, 2002      Juergen Schmied
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #include "config.h"
  24 #include "wine/port.h"
  25
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <stdarg.h>
  29 #include <stdio.h>
  30
  31 #define NONAMELESSUNION
  32 #define NONAMELESSSTRUCT
  33 #include "winerror.h"
  34 #include "windef.h"
  35 #include "winbase.h"
  36 #include "winreg.h"
  37
  38 #include "wingdi.h"
  39 #include "pidl.h"
  40 #include "shlguid.h"
  41 #include "enumidlist.h"
  42 #include "undocshell.h"
  43 #include "shell32_main.h"
  44 #include "shresdef.h"
  45 #include "shlwapi.h"
  46 #include "shellfolder.h"
  47 #include "wine/debug.h"
  48 #include "debughlp.h"
  49 #include "shfldr.h"
  50
  51 WINE_DEFAULT_DEBUG_CHANNEL (shell);
  52
  53 /***********************************************************************
  54 *   IShellFolder implementation
  55 */
  56
  57 typedef struct {
  58     ICOM_VFIELD (IShellFolder2);
  59     DWORD ref;
  60       ICOM_VTABLE (IPersistFolder2) * lpVtblPersistFolder2;
  61
  62     /* both paths are parsible from the desktop */
  63     LPITEMIDLIST pidlRoot;      /* absolute pidl */
  64     int dwAttributes;           /* attributes returned by GetAttributesOf FIXME: use it */
  65 } IGenericSFImpl;
  66
  67 static struct ICOM_VTABLE (IShellFolder2) vt_ShellFolder2;
  68 static struct ICOM_VTABLE (IPersistFolder2) vt_PersistFolder2;
  69
  70 #define _IPersistFolder2_Offset ((int)(&(((IGenericSFImpl*)0)->lpVtblPersistFolder2)))
  71 #define _ICOM_THIS_From_IPersistFolder2(class, name) class* This = (class*)(((char*)name)-_IPersistFolder2_Offset);
  72
  73 /*
  74   converts This to a interface pointer
  75 */
  76 #define _IUnknown_(This)        (IUnknown*)&(This->lpVtbl)
  77 #define _IShellFolder_(This)    (IShellFolder*)&(This->lpVtbl)
  78 #define _IShellFolder2_(This)   (IShellFolder2*)&(This->lpVtbl)
  79
  80 #define _IPersist_(This)        (IPersist*)&(This->lpVtblPersistFolder2)
  81 #define _IPersistFolder_(This)  (IPersistFolder*)&(This->lpVtblPersistFolder2)
  82 #define _IPersistFolder2_(This) (IPersistFolder2*)&(This->lpVtblPersistFolder2)
  83
  84 /***********************************************************************
  85 *   IShellFolder [MyComputer] implementation
  86 */
  87
  88 static shvheader MyComputerSFHeader[] = {
  89     {IDS_SHV_COLUMN1, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 15},
  90     {IDS_SHV_COLUMN3, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
  91     {IDS_SHV_COLUMN6, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
  92     {IDS_SHV_COLUMN7, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
  93 };
  94
  95 #define MYCOMPUTERSHELLVIEWCOLUMNS 4
  96
  97 /**************************************************************************
  98 *       ISF_MyComputer_Constructor
  99 */
 100 HRESULT WINAPI ISF_MyComputer_Constructor (IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv)
 101 {
 102     IGenericSFImpl *sf;
 103
 104     TRACE ("unkOut=%p %s\n", pUnkOuter, shdebugstr_guid (riid));
 105
 106     if (!ppv)
 107         return E_POINTER;
 108     if (pUnkOuter)
 109         return CLASS_E_NOAGGREGATION;
 110
 111     sf = (IGenericSFImpl *) LocalAlloc (GMEM_ZEROINIT, sizeof (IGenericSFImpl));
 112     if (!sf)
 113         return E_OUTOFMEMORY;
 114
 115     sf->ref = 0;
 116     sf->lpVtbl = &vt_ShellFolder2;
 117     sf->lpVtblPersistFolder2 = &vt_PersistFolder2;
 118     sf->pidlRoot = _ILCreateMyComputer ();      /* my qualified pidl */
 119
 120     if (!SUCCEEDED (IUnknown_QueryInterface (_IUnknown_ (sf), riid, ppv))) {
 121         IUnknown_Release (_IUnknown_ (sf));
 122         return E_NOINTERFACE;
 123     }
 124
 125     TRACE ("--(%p)\n", sf);
 126     return S_OK;
 127 }
 128
 129 /**************************************************************************
 130  *      ISF_MyComputer_fnQueryInterface
 131  *
 132  * NOTES supports not IPersist/IPersistFolder
 133  */
 134 static HRESULT WINAPI ISF_MyComputer_fnQueryInterface (IShellFolder2 * iface, REFIID riid, LPVOID * ppvObj)
 135 {
 136     ICOM_THIS (IGenericSFImpl, iface);
 137
 138     TRACE ("(%p)->(%s,%p)\n", This, shdebugstr_guid (riid), ppvObj);
 139
 140     *ppvObj = NULL;
 141
 142     if (IsEqualIID (riid, &IID_IUnknown) ||
 143         IsEqualIID (riid, &IID_IShellFolder) || IsEqualIID (riid, &IID_IShellFolder2)) {
 144         *ppvObj = This;
 145     } else if (IsEqualIID (riid, &IID_IPersist) ||
 146                IsEqualIID (riid, &IID_IPersistFolder) || IsEqualIID (riid, &IID_IPersistFolder2)) {
 147         *ppvObj = _IPersistFolder2_ (This);
 148     }
 149
 150     if (*ppvObj) {
 151         IUnknown_AddRef ((IUnknown *) (*ppvObj));
 152         TRACE ("-- Interface: (%p)->(%p)\n", ppvObj, *ppvObj);
 153         return S_OK;
 154     }
 155     TRACE ("-- Interface: E_NOINTERFACE\n");
 156     return E_NOINTERFACE;
 157 }
 158
 159 static ULONG WINAPI ISF_MyComputer_fnAddRef (IShellFolder2 * iface)
 160 {
 161     ICOM_THIS (IGenericSFImpl, iface);
 162
 163     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
 164
 165     return ++(This->ref);
 166 }
 167
 168 static ULONG WINAPI ISF_MyComputer_fnRelease (IShellFolder2 * iface)
 169 {
 170     ICOM_THIS (IGenericSFImpl, iface);
 171
 172     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
 173
 174     if (!--(This->ref)) {
 175         TRACE ("-- destroying IShellFolder(%p)\n", This);
 176         if (This->pidlRoot)
 177             SHFree (This->pidlRoot);
 178         LocalFree ((HLOCAL) This);
 179         return 0;
 180     }
 181     return This->ref;
 182 }
 183
 184 /**************************************************************************
 185 *       ISF_MyComputer_fnParseDisplayName
 186 */
 187 static HRESULT WINAPI
 188 ISF_MyComputer_fnParseDisplayName (IShellFolder2 * iface,
 189                                    HWND hwndOwner,
 190                                    LPBC pbc,
 191                                    LPOLESTR lpszDisplayName,
 192                                    DWORD * pchEaten, LPITEMIDLIST * ppidl, DWORD * pdwAttributes)
 193 {
 194     ICOM_THIS (IGenericSFImpl, iface);
 195
 196     HRESULT hr = E_INVALIDARG;
 197     LPCWSTR szNext = NULL;
 198     WCHAR szElement[MAX_PATH];
 199     CHAR szTempA[MAX_PATH];
 200     LPITEMIDLIST pidlTemp = NULL;
 201     CLSID clsid;
 202
 203     TRACE ("(%p)->(HWND=%p,%p,%p=%s,%p,pidl=%p,%p)\n",
 204            This, hwndOwner, pbc, lpszDisplayName, debugstr_w (lpszDisplayName), pchEaten, ppidl, pdwAttributes);
 205
 206     *ppidl = 0;
 207     if (pchEaten)
 208         *pchEaten = 0;          /* strange but like the original */
 209
 210     /* handle CLSID paths */
 211     if (lpszDisplayName[0] == ':' && lpszDisplayName[1] == ':') {
 212         szNext = GetNextElementW (lpszDisplayName, szElement, MAX_PATH);
 213         TRACE ("-- element: %s\n", debugstr_w (szElement));
 214         SHCLSIDFromStringW (szElement + 2, &clsid);
 215         pidlTemp = _ILCreateGuid (PT_GUID, &clsid);
 216     }
 217     /* do we have an absolute path name ? */
 218     else if (PathGetDriveNumberW (lpszDisplayName) >= 0 && lpszDisplayName[2] == (WCHAR) '\\') {
 219         szNext = GetNextElementW (lpszDisplayName, szElement, MAX_PATH);
 220         WideCharToMultiByte (CP_ACP, 0, szElement, -1, szTempA, MAX_PATH, NULL, NULL);
 221         pidlTemp = _ILCreateDrive (szTempA);
 222     }
 223
 224     if (szNext && *szNext) {
 225         hr = SHELL32_ParseNextElement (iface, hwndOwner, pbc, &pidlTemp, (LPOLESTR) szNext, pchEaten, pdwAttributes);
 226     } else {
 227         if (pdwAttributes && *pdwAttributes) {
 228             SHELL32_GetItemAttributes (_IShellFolder_ (This), pidlTemp, pdwAttributes);
 229         }
 230         hr = S_OK;
 231     }
 232
 233     *ppidl = pidlTemp;
 234
 235     TRACE ("(%p)->(-- ret=0x%08lx)\n", This, hr);
 236
 237     return hr;
 238 }
 239
 240 /**************************************************************************
 241  *  CreateMyCompEnumList()
 242  */
 243 static BOOL CreateMyCompEnumList(IEnumIDList *list, DWORD dwFlags)
 244 {
 245     BOOL ret = TRUE;
 246
 247     TRACE("(%p)->(flags=0x%08lx) \n",list,dwFlags);
 248
 249     /*enumerate the folders*/
 250     if(dwFlags & SHCONTF_FOLDERS)
 251     {
 252         CHAR szDriveName[] = "A:\\";
 253         DWORD dwDrivemap = GetLogicalDrives();
 254         HKEY hkey;
 255
 256         while (ret && szDriveName[0]<='Z')
 257         {
 258             if(dwDrivemap & 0x00000001L)
 259                 ret = AddToEnumList(list, _ILCreateDrive(szDriveName));
 260             szDriveName[0]++;
 261             dwDrivemap = dwDrivemap >> 1;
 262         }
 263
 264         TRACE("-- (%p)-> enumerate (mycomputer shell extensions)\n",list);
 265         if (ret && !RegOpenKeyExA(HKEY_LOCAL_MACHINE,
 266          "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\explorer\\mycomputer\\NameSpace",
 267          0, KEY_READ, &hkey))
 268         {
 269             char iid[50];
 270             int i=0;
 271
 272             while (ret)
 273             {
 274                 DWORD size = sizeof (iid);
 275                 LONG apiRet = RegEnumKeyExA(hkey, i, iid, &size, 0, NULL, NULL,
 276                  NULL);
 277
 278                 if (ERROR_SUCCESS == apiRet)
 279                 {
 280                     /* FIXME: shell extensions, shouldn't the type be
 281                      * PT_SHELLEXT? */
 282                     ret = AddToEnumList(list, _ILCreateGuidFromStrA(iid));
 283                     i++;
 284                 }
 285                 else if (ERROR_NO_MORE_ITEMS == apiRet)
 286                     break;
 287                 else
 288                     ret = FALSE;
 289             }
 290             RegCloseKey(hkey);
 291         }
 292     }
 293     return ret;
 294 }
 295
 296 /**************************************************************************
 297 *               ISF_MyComputer_fnEnumObjects
 298 */
 299 static HRESULT WINAPI
 300 ISF_MyComputer_fnEnumObjects (IShellFolder2 * iface, HWND hwndOwner, DWORD dwFlags, LPENUMIDLIST * ppEnumIDList)
 301 {
 302     ICOM_THIS (IGenericSFImpl, iface);
 303
 304     TRACE ("(%p)->(HWND=%p flags=0x%08lx pplist=%p)\n", This, hwndOwner, dwFlags, ppEnumIDList);
 305
 306     *ppEnumIDList = IEnumIDList_Constructor();
 307     if (*ppEnumIDList)
 308         CreateMyCompEnumList(*ppEnumIDList, dwFlags);
 309
 310     TRACE ("-- (%p)->(new ID List: %p)\n", This, *ppEnumIDList);
 311
 312     return (*ppEnumIDList) ? S_OK : E_OUTOFMEMORY;
 313 }
 314
 315 /**************************************************************************
 316 *               ISF_MyComputer_fnBindToObject
 317 */
 318 static HRESULT WINAPI
 319 ISF_MyComputer_fnBindToObject (IShellFolder2 * iface, LPCITEMIDLIST pidl,
 320                                LPBC pbcReserved, REFIID riid, LPVOID * ppvOut)
 321 {
 322     ICOM_THIS (IGenericSFImpl, iface);
 323
 324     TRACE ("(%p)->(pidl=%p,%p,%s,%p)\n", This, pidl, pbcReserved, shdebugstr_guid (riid), ppvOut);
 325
 326     return SHELL32_BindToChild (This->pidlRoot, NULL, pidl, riid, ppvOut);
 327 }
 328
 329 /**************************************************************************
 330 *       ISF_MyComputer_fnBindToStorage
 331 */
 332 static HRESULT WINAPI
 333 ISF_MyComputer_fnBindToStorage (IShellFolder2 * iface,
 334                                 LPCITEMIDLIST pidl, LPBC pbcReserved, REFIID riid, LPVOID * ppvOut)
 335 {
 336     ICOM_THIS (IGenericSFImpl, iface);
 337
 338     FIXME ("(%p)->(pidl=%p,%p,%s,%p) stub\n", This, pidl, pbcReserved, shdebugstr_guid (riid), ppvOut);
 339
 340     *ppvOut = NULL;
 341     return E_NOTIMPL;
 342 }
 343
 344 /**************************************************************************
 345 *       ISF_MyComputer_fnCompareIDs
 346 */
 347
 348 static HRESULT WINAPI
 349 ISF_MyComputer_fnCompareIDs (IShellFolder2 * iface, LPARAM lParam, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 350 {
 351     ICOM_THIS (IGenericSFImpl, iface);
 352
 353     int nReturn;
 354
 355     TRACE ("(%p)->(0x%08lx,pidl1=%p,pidl2=%p)\n", This, lParam, pidl1, pidl2);
 356     nReturn = SHELL32_CompareIDs (_IShellFolder_ (This), lParam, pidl1, pidl2);
 357     TRACE ("-- %i\n", nReturn);
 358     return nReturn;
 359 }
 360
 361 /**************************************************************************
 362 *       ISF_MyComputer_fnCreateViewObject
 363 */
 364 static HRESULT WINAPI
 365 ISF_MyComputer_fnCreateViewObject (IShellFolder2 * iface, HWND hwndOwner, REFIID riid, LPVOID * ppvOut)
 366 {
 367     ICOM_THIS (IGenericSFImpl, iface);
 368
 369     LPSHELLVIEW pShellView;
 370     HRESULT hr = E_INVALIDARG;
 371
 372     TRACE ("(%p)->(hwnd=%p,%s,%p)\n", This, hwndOwner, shdebugstr_guid (riid), ppvOut);
 373
 374     if (ppvOut) {
 375         *ppvOut = NULL;
 376
 377         if (IsEqualIID (riid, &IID_IDropTarget)) {
 378             WARN ("IDropTarget not implemented\n");
 379             hr = E_NOTIMPL;
 380         } else if (IsEqualIID (riid, &IID_IContextMenu)) {
 381             WARN ("IContextMenu not implemented\n");
 382             hr = E_NOTIMPL;
 383         } else if (IsEqualIID (riid, &IID_IShellView)) {
 384             pShellView = IShellView_Constructor ((IShellFolder *) iface);
 385             if (pShellView) {
 386                 hr = IShellView_QueryInterface (pShellView, riid, ppvOut);
 387                 IShellView_Release (pShellView);
 388             }
 389         }
 390     }
 391     TRACE ("-- (%p)->(interface=%p)\n", This, ppvOut);
 392     return hr;
 393 }
 394
 395 /**************************************************************************
 396 *  ISF_MyComputer_fnGetAttributesOf
 397 */
 398 static HRESULT WINAPI
 399 ISF_MyComputer_fnGetAttributesOf (IShellFolder2 * iface, UINT cidl, LPCITEMIDLIST * apidl, DWORD * rgfInOut)
 400 {
 401     ICOM_THIS (IGenericSFImpl, iface);
 402
 403     HRESULT hr = S_OK;
 404
 405     TRACE ("(%p)->(cidl=%d apidl=%p mask=0x%08lx)\n", This, cidl, apidl, *rgfInOut);
 406
 407     if ((!cidl) || (!apidl) || (!rgfInOut))
 408         return E_INVALIDARG;
 409
 410     while (cidl > 0 && *apidl) {
 411         pdump (*apidl);
 412         SHELL32_GetItemAttributes (_IShellFolder_ (This), *apidl, rgfInOut);
 413         apidl++;
 414         cidl--;
 415     }
 416
 417     TRACE ("-- result=0x%08lx\n", *rgfInOut);
 418     return hr;
 419 }
 420
 421 /**************************************************************************
 422 *       ISF_MyComputer_fnGetUIObjectOf
 423 *
 424 * PARAMETERS
 425 *  HWND           hwndOwner, //[in ] Parent window for any output
 426 *  UINT           cidl,      //[in ] array size
 427 *  LPCITEMIDLIST* apidl,     //[in ] simple pidl array
 428 *  REFIID         riid,      //[in ] Requested Interface
 429 *  UINT*          prgfInOut, //[   ] reserved
 430 *  LPVOID*        ppvObject) //[out] Resulting Interface
 431 *
 432 */
 433 static HRESULT WINAPI
 434 ISF_MyComputer_fnGetUIObjectOf (IShellFolder2 * iface,
 435                                 HWND hwndOwner,
 436                                 UINT cidl, LPCITEMIDLIST * apidl, REFIID riid, UINT * prgfInOut, LPVOID * ppvOut)
 437 {
 438     ICOM_THIS (IGenericSFImpl, iface);
 439
 440     LPITEMIDLIST pidl;
 441     IUnknown *pObj = NULL;
 442     HRESULT hr = E_INVALIDARG;
 443
 444     TRACE ("(%p)->(%p,%u,apidl=%p,%s,%p,%p)\n",
 445            This, hwndOwner, cidl, apidl, shdebugstr_guid (riid), prgfInOut, ppvOut);
 446
 447     if (ppvOut) {
 448         *ppvOut = NULL;
 449
 450         if (IsEqualIID (riid, &IID_IContextMenu) && (cidl >= 1)) {
 451             pObj = (LPUNKNOWN) ISvItemCm_Constructor ((IShellFolder *) iface, This->pidlRoot, apidl, cidl);
 452             hr = S_OK;
 453         } else if (IsEqualIID (riid, &IID_IDataObject) && (cidl >= 1)) {
 454             pObj = (LPUNKNOWN) IDataObject_Constructor (hwndOwner, This->pidlRoot, apidl, cidl);
 455             hr = S_OK;
 456         } else if (IsEqualIID (riid, &IID_IExtractIconA) && (cidl == 1)) {
 457             pidl = ILCombine (This->pidlRoot, apidl[0]);
 458             pObj = (LPUNKNOWN) IExtractIconA_Constructor (pidl);
 459             SHFree (pidl);
 460             hr = S_OK;
 461         } else if (IsEqualIID (riid, &IID_IExtractIconW) && (cidl == 1)) {
 462             pidl = ILCombine (This->pidlRoot, apidl[0]);
 463             pObj = (LPUNKNOWN) IExtractIconW_Constructor (pidl);
 464             SHFree (pidl);
 465             hr = S_OK;
 466         } else if (IsEqualIID (riid, &IID_IDropTarget) && (cidl >= 1)) {
 467             hr = IShellFolder_QueryInterface (iface, &IID_IDropTarget, (LPVOID *) & pObj);
 468         } else if ((IsEqualIID(riid,&IID_IShellLinkW) || IsEqualIID(riid,&IID_IShellLinkA))
 469                                 && (cidl == 1)) {
 470             pidl = ILCombine (This->pidlRoot, apidl[0]);
 471             hr = IShellLink_ConstructFromFile(NULL, riid, pidl, (LPVOID*)&pObj);
 472             SHFree (pidl);
 473         } else {
 474             hr = E_NOINTERFACE;
 475         }
 476
 477         if (SUCCEEDED(hr) && !pObj)
 478             hr = E_OUTOFMEMORY;
 479
 480         *ppvOut = pObj;
 481     }
 482     TRACE ("(%p)->hr=0x%08lx\n", This, hr);
 483     return hr;
 484 }
 485
 486 /**************************************************************************
 487 *       ISF_MyComputer_fnGetDisplayNameOf
 488 */
 489 static HRESULT WINAPI ISF_MyComputer_fnGetDisplayNameOf (IShellFolder2 * iface, LPCITEMIDLIST pidl, DWORD dwFlags, LPSTRRET strRet)
 490 {
 491     ICOM_THIS (IGenericSFImpl, iface);
 492
 493     char szPath[MAX_PATH],
 494       szDrive[18];
 495     int len = 0;
 496     BOOL bSimplePidl;
 497     HRESULT hr = S_OK;
 498
 499     TRACE ("(%p)->(pidl=%p,0x%08lx,%p)\n", This, pidl, dwFlags, strRet);
 500     pdump (pidl);
 501
 502     if (!strRet)
 503         return E_INVALIDARG;
 504
 505     szPath[0] = 0x00;
 506     szDrive[0] = 0x00;
 507
 508     bSimplePidl = _ILIsPidlSimple (pidl);
 509
 510     if (!pidl->mkid.cb) {
 511         /* parsing name like ::{...} */
 512         lstrcpyA (szPath, "::");
 513         SHELL32_GUIDToStringA(&CLSID_MyComputer, &szPath[2]);
 514     } else if (_ILIsSpecialFolder (pidl)) {
 515         /* take names of special folders only if its only this folder */
 516         if (bSimplePidl) {
 517             GUID const *clsid;
 518
 519             if ((clsid = _ILGetGUIDPointer (pidl))) {
 520                 if (GET_SHGDN_FOR (dwFlags) == SHGDN_FORPARSING) {
 521                     int bWantsForParsing;
 522
 523                     /*
 524                      * we can only get a filesystem path from a shellfolder if the value WantsFORPARSING in
 525                      * CLSID\\{...}\\shellfolder exists
 526                      * exception: the MyComputer folder has this keys not but like any filesystem backed
 527                      *            folder it needs these behaviour
 528                      */
 529                     /* get the "WantsFORPARSING" flag from the registry */
 530                     char szRegPath[100];
 531
 532                     lstrcpyA (szRegPath, "CLSID\\");
 533                     SHELL32_GUIDToStringA (clsid, &szRegPath[6]);
 534                     lstrcatA (szRegPath, "\\shellfolder");
 535                     bWantsForParsing =
 536                         (ERROR_SUCCESS ==
 537                          SHGetValueA (HKEY_CLASSES_ROOT, szRegPath, "WantsFORPARSING", NULL, NULL, NULL));
 538
 539                     if ((GET_SHGDN_RELATION (dwFlags) == SHGDN_NORMAL) && bWantsForParsing) {
 540                         /* we need the filesystem path to the destination folder. Only the folder itself can know it */
 541                         hr = SHELL32_GetDisplayNameOfChild (iface, pidl, dwFlags, szPath, MAX_PATH);
 542                     } else {
 543                         LPSTR p;
 544
 545                         /* parsing name like ::{...} */
 546                         p = lstrcpyA(szPath, "::") + 2;
 547                         p += SHELL32_GUIDToStringA(&CLSID_MyComputer, p);
 548
 549                         lstrcatA(p, "\\::");
 550                         p += 3;
 551                         SHELL32_GUIDToStringA(clsid, p);
 552                     }
 553                 } else {
 554                     /* user friendly name */
 555                     HCR_GetClassNameA (clsid, szPath, MAX_PATH);
 556                 }
 557             } else
 558                 _ILSimpleGetText (pidl, szPath, MAX_PATH);      /* append my own path */
 559         } else {
 560             FIXME ("special folder\n");
 561         }
 562     } else {
 563         if (!_ILIsDrive (pidl)) {
 564             ERR ("Wrong pidl type\n");
 565             return E_INVALIDARG;
 566         }
 567
 568         _ILSimpleGetText (pidl, szPath, MAX_PATH);      /* append my own path */
 569
 570         /* long view "lw_name (C:)" */
 571         if (bSimplePidl && !(dwFlags & SHGDN_FORPARSING)) {
 572             DWORD dwVolumeSerialNumber,
 573               dwMaximumComponetLength,
 574               dwFileSystemFlags;
 575
 576             GetVolumeInformationA (szPath, szDrive, sizeof (szDrive) - 6, &dwVolumeSerialNumber,
 577                                    &dwMaximumComponetLength, &dwFileSystemFlags, NULL, 0);
 578             strcat (szDrive, " (");
 579             strncat (szDrive, szPath, 2);
 580             strcat (szDrive, ")");
 581             strcpy (szPath, szDrive);
 582         }
 583     }
 584
 585     if (!bSimplePidl) {         /* go deeper if needed */
 586         PathAddBackslashA (szPath);
 587         len = strlen (szPath);
 588
 589         hr = SHELL32_GetDisplayNameOfChild (iface, pidl, dwFlags | SHGDN_INFOLDER, szPath + len, MAX_PATH - len);
 590     }
 591
 592     if (SUCCEEDED (hr)) {
 593         strRet->uType = STRRET_CSTR;
 594         lstrcpynA (strRet->u.cStr, szPath, MAX_PATH);
 595     }
 596
 597     TRACE ("-- (%p)->(%s)\n", This, szPath);
 598     return hr;
 599 }
 600
 601 /**************************************************************************
 602 *  ISF_MyComputer_fnSetNameOf
 603 *  Changes the name of a file object or subfolder, possibly changing its item
 604 *  identifier in the process.
 605 *
 606 * PARAMETERS
 607 *  HWND          hwndOwner,  //[in ] Owner window for output
 608 *  LPCITEMIDLIST pidl,       //[in ] simple pidl of item to change
 609 *  LPCOLESTR     lpszName,   //[in ] the items new display name
 610 *  DWORD         dwFlags,    //[in ] SHGNO formatting flags
 611 *  LPITEMIDLIST* ppidlOut)   //[out] simple pidl returned
 612 */
 613 static HRESULT WINAPI ISF_MyComputer_fnSetNameOf (IShellFolder2 * iface, HWND hwndOwner, LPCITEMIDLIST pidl,    /*simple pidl */
 614                                                   LPCOLESTR lpName, DWORD dwFlags, LPITEMIDLIST * pPidlOut)
 615 {
 616     ICOM_THIS (IGenericSFImpl, iface);
 617     FIXME ("(%p)->(%p,pidl=%p,%s,%lu,%p)\n", This, hwndOwner, pidl, debugstr_w (lpName), dwFlags, pPidlOut);
 618     return E_FAIL;
 619 }
 620
 621 static HRESULT WINAPI ISF_MyComputer_fnGetDefaultSearchGUID (IShellFolder2 * iface, GUID * pguid)
 622 {
 623     ICOM_THIS (IGenericSFImpl, iface);
 624     FIXME ("(%p)\n", This);
 625     return E_NOTIMPL;
 626 }
 627 static HRESULT WINAPI ISF_MyComputer_fnEnumSearches (IShellFolder2 * iface, IEnumExtraSearch ** ppenum)
 628 {
 629     ICOM_THIS (IGenericSFImpl, iface);
 630     FIXME ("(%p)\n", This);
 631     return E_NOTIMPL;
 632 }
 633 static HRESULT WINAPI ISF_MyComputer_fnGetDefaultColumn (IShellFolder2 * iface, DWORD dwRes, ULONG * pSort, ULONG * pDisplay)
 634 {
 635     ICOM_THIS (IGenericSFImpl, iface);
 636
 637     TRACE ("(%p)\n", This);
 638
 639     if (pSort) *pSort = 0;
 640     if (pDisplay) *pDisplay = 0;
 641     return S_OK;
 642 }
 643 static HRESULT WINAPI ISF_MyComputer_fnGetDefaultColumnState (IShellFolder2 * iface, UINT iColumn, DWORD * pcsFlags)
 644 {
 645     ICOM_THIS (IGenericSFImpl, iface);
 646
 647     TRACE ("(%p)\n", This);
 648
 649     if (!pcsFlags || iColumn >= MYCOMPUTERSHELLVIEWCOLUMNS) return E_INVALIDARG;
 650     *pcsFlags = MyComputerSFHeader[iColumn].pcsFlags;
 651     return S_OK;
 652 }
 653 static HRESULT WINAPI ISF_MyComputer_fnGetDetailsEx (IShellFolder2 * iface, LPCITEMIDLIST pidl, const SHCOLUMNID * pscid, VARIANT * pv)
 654 {
 655     ICOM_THIS (IGenericSFImpl, iface);
 656     FIXME ("(%p)\n", This);
 657     return E_NOTIMPL;
 658 }
 659
 660 /* FIXME: drive size >4GB is rolling over */
 661 static HRESULT WINAPI ISF_MyComputer_fnGetDetailsOf (IShellFolder2 * iface, LPCITEMIDLIST pidl, UINT iColumn, SHELLDETAILS * psd)
 662 {
 663     ICOM_THIS (IGenericSFImpl, iface);
 664     HRESULT hr;
 665
 666     TRACE ("(%p)->(%p %i %p)\n", This, pidl, iColumn, psd);
 667
 668     if (!psd || iColumn >= MYCOMPUTERSHELLVIEWCOLUMNS)
 669         return E_INVALIDARG;
 670
 671     if (!pidl) {
 672         psd->fmt = MyComputerSFHeader[iColumn].fmt;
 673         psd->cxChar = MyComputerSFHeader[iColumn].cxChar;
 674         psd->str.uType = STRRET_CSTR;
 675         LoadStringA (shell32_hInstance, MyComputerSFHeader[iColumn].colnameid, psd->str.u.cStr, MAX_PATH);
 676         return S_OK;
 677     } else {
 678         char szPath[MAX_PATH];
 679         ULARGE_INTEGER ulBytes;
 680
 681         psd->str.u.cStr[0] = 0x00;
 682         psd->str.uType = STRRET_CSTR;
 683         switch (iColumn) {
 684         case 0:         /* name */
 685             hr = IShellFolder_GetDisplayNameOf (iface, pidl, SHGDN_NORMAL | SHGDN_INFOLDER, &psd->str);
 686             break;
 687         case 1:         /* type */
 688             _ILGetFileType (pidl, psd->str.u.cStr, MAX_PATH);
 689             break;
 690         case 2:         /* total size */
 691             if (_ILIsDrive (pidl)) {
 692                 _ILSimpleGetText (pidl, szPath, MAX_PATH);
 693                 GetDiskFreeSpaceExA (szPath, NULL, &ulBytes, NULL);
 694                 StrFormatByteSizeA (ulBytes.u.LowPart, psd->str.u.cStr, MAX_PATH);
 695             }
 696             break;
 697         case 3:         /* free size */
 698             if (_ILIsDrive (pidl)) {
 699                 _ILSimpleGetText (pidl, szPath, MAX_PATH);
 700                 GetDiskFreeSpaceExA (szPath, &ulBytes, NULL, NULL);
 701                 StrFormatByteSizeA (ulBytes.u.LowPart, psd->str.u.cStr, MAX_PATH);
 702             }
 703             break;
 704         }
 705         hr = S_OK;
 706     }
 707
 708     return hr;
 709 }
 710 static HRESULT WINAPI ISF_MyComputer_fnMapColumnToSCID (IShellFolder2 * iface, UINT column, SHCOLUMNID * pscid)
 711 {
 712     ICOM_THIS (IGenericSFImpl, iface);
 713     FIXME ("(%p)\n", This);
 714     return E_NOTIMPL;
 715 }
 716
 717 static ICOM_VTABLE (IShellFolder2) vt_ShellFolder2 =
 718 {
 719         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 720         ISF_MyComputer_fnQueryInterface,
 721         ISF_MyComputer_fnAddRef,
 722         ISF_MyComputer_fnRelease,
 723         ISF_MyComputer_fnParseDisplayName,
 724         ISF_MyComputer_fnEnumObjects,
 725         ISF_MyComputer_fnBindToObject,
 726         ISF_MyComputer_fnBindToStorage,
 727         ISF_MyComputer_fnCompareIDs,
 728         ISF_MyComputer_fnCreateViewObject,
 729         ISF_MyComputer_fnGetAttributesOf,
 730         ISF_MyComputer_fnGetUIObjectOf,
 731         ISF_MyComputer_fnGetDisplayNameOf,
 732         ISF_MyComputer_fnSetNameOf,
 733         /* ShellFolder2 */
 734         ISF_MyComputer_fnGetDefaultSearchGUID,
 735         ISF_MyComputer_fnEnumSearches,
 736         ISF_MyComputer_fnGetDefaultColumn,
 737         ISF_MyComputer_fnGetDefaultColumnState,
 738         ISF_MyComputer_fnGetDetailsEx,
 739         ISF_MyComputer_fnGetDetailsOf,
 740         ISF_MyComputer_fnMapColumnToSCID
 741 };
 742
 743 /************************************************************************
 744  *      IMCFldr_PersistFolder2_QueryInterface
 745  */
 746 static HRESULT WINAPI IMCFldr_PersistFolder2_QueryInterface (IPersistFolder2 * iface, REFIID iid, LPVOID * ppvObj)
 747 {
 748     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 749
 750     TRACE ("(%p)\n", This);
 751
 752     return IUnknown_QueryInterface (_IUnknown_ (This), iid, ppvObj);
 753 }
 754
 755 /************************************************************************
 756  *      IMCFldr_PersistFolder2_AddRef
 757  */
 758 static ULONG WINAPI IMCFldr_PersistFolder2_AddRef (IPersistFolder2 * iface)
 759 {
 760     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 761
 762     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
 763
 764     return IUnknown_AddRef (_IUnknown_ (This));
 765 }
 766
 767 /************************************************************************
 768  *      ISFPersistFolder_Release
 769  */
 770 static ULONG WINAPI IMCFldr_PersistFolder2_Release (IPersistFolder2 * iface)
 771 {
 772     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 773
 774     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
 775
 776     return IUnknown_Release (_IUnknown_ (This));
 777 }
 778
 779 /************************************************************************
 780  *      IMCFldr_PersistFolder2_GetClassID
 781  */
 782 static HRESULT WINAPI IMCFldr_PersistFolder2_GetClassID (IPersistFolder2 * iface, CLSID * lpClassId)
 783 {
 784     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 785
 786     TRACE ("(%p)\n", This);
 787
 788     if (!lpClassId)
 789         return E_POINTER;
 790     *lpClassId = CLSID_MyComputer;
 791
 792     return S_OK;
 793 }
 794
 795 /************************************************************************
 796  *      IMCFldr_PersistFolder2_Initialize
 797  *
 798  * NOTES: it makes no sense to change the pidl
 799  */
 800 static HRESULT WINAPI IMCFldr_PersistFolder2_Initialize (IPersistFolder2 * iface, LPCITEMIDLIST pidl)
 801 {
 802     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 803     TRACE ("(%p)->(%p)\n", This, pidl);
 804     return E_NOTIMPL;
 805 }
 806
 807 /**************************************************************************
 808  *      IPersistFolder2_fnGetCurFolder
 809  */
 810 static HRESULT WINAPI IMCFldr_PersistFolder2_GetCurFolder (IPersistFolder2 * iface, LPITEMIDLIST * pidl)
 811 {
 812     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 813
 814     TRACE ("(%p)->(%p)\n", This, pidl);
 815
 816     if (!pidl)
 817         return E_POINTER;
 818     *pidl = ILClone (This->pidlRoot);
 819     return S_OK;
 820 }
 821
 822 static ICOM_VTABLE (IPersistFolder2) vt_PersistFolder2 =
 823 {
 824 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 825         IMCFldr_PersistFolder2_QueryInterface,
 826         IMCFldr_PersistFolder2_AddRef,
 827         IMCFldr_PersistFolder2_Release,
 828         IMCFldr_PersistFolder2_GetClassID,
 829         IMCFldr_PersistFolder2_Initialize,
 830         IMCFldr_PersistFolder2_GetCurFolder
 831 };