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 <stdio.h>
  29
  30 #define NONAMELESSUNION
  31 #define NONAMELESSSTRUCT
  32 #include "winerror.h"
  33 #include "winbase.h"
  34 #include "winreg.h"
  35
  36 #include "pidl.h"
  37 #include "shlguid.h"
  38
  39 #include "undocshell.h"
  40 #include "shell32_main.h"
  41 #include "shresdef.h"
  42 #include "shlwapi.h"
  43 #include "shellfolder.h"
  44 #include "wine/debug.h"
  45 #include "debughlp.h"
  46 #include "shfldr.h"
  47
  48 WINE_DEFAULT_DEBUG_CHANNEL (shell);
  49
  50 /***********************************************************************
  51 *   IShellFolder implementation
  52 */
  53
  54 typedef struct {
  55     ICOM_VFIELD (IShellFolder2);
  56     DWORD ref;
  57       ICOM_VTABLE (IPersistFolder2) * lpVtblPersistFolder2;
  58
  59     /* both paths are parsible from the desktop */
  60     LPITEMIDLIST pidlRoot;      /* absolute pidl */
  61     int dwAttributes;           /* attributes returned by GetAttributesOf FIXME: use it */
  62 } IGenericSFImpl;
  63
  64 static struct ICOM_VTABLE (IShellFolder2) vt_ShellFolder2;
  65 static struct ICOM_VTABLE (IPersistFolder2) vt_PersistFolder2;
  66
  67 HRESULT WINAPI ISF_MyComputer_Constructor (IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv);
  68
  69 #define _IPersistFolder2_Offset ((int)(&(((IGenericSFImpl*)0)->lpVtblPersistFolder2)))
  70 #define _ICOM_THIS_From_IPersistFolder2(class, name) class* This = (class*)(((char*)name)-_IPersistFolder2_Offset);
  71
  72 /*
  73   converts This to a interface pointer
  74 */
  75 #define _IUnknown_(This)        (IUnknown*)&(This->lpVtbl)
  76 #define _IShellFolder_(This)    (IShellFolder*)&(This->lpVtbl)
  77 #define _IShellFolder2_(This)   (IShellFolder2*)&(This->lpVtbl)
  78
  79 #define _IPersist_(This)        (IPersist*)&(This->lpVtblPersistFolder2)
  80 #define _IPersistFolder_(This)  (IPersistFolder*)&(This->lpVtblPersistFolder2)
  81 #define _IPersistFolder2_(This) (IPersistFolder2*)&(This->lpVtblPersistFolder2)
  82
  83 /***********************************************************************
  84 *   IShellFolder [MyComputer] implementation
  85 */
  86
  87 static shvheader MyComputerSFHeader[] = {
  88     {IDS_SHV_COLUMN1, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 15},
  89     {IDS_SHV_COLUMN3, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
  90     {IDS_SHV_COLUMN6, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
  91     {IDS_SHV_COLUMN7, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
  92 };
  93
  94 #define MYCOMPUTERSHELLVIEWCOLUMNS 4
  95
  96 /**************************************************************************
  97 *       ISF_MyComputer_Constructor
  98 */
  99 HRESULT WINAPI ISF_MyComputer_Constructor (IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv)
 100 {
 101     IGenericSFImpl *sf;
 102
 103     TRACE ("unkOut=%p %s\n", pUnkOuter, shdebugstr_guid (riid));
 104
 105     if (!ppv)
 106         return E_POINTER;
 107     if (pUnkOuter)
 108         return CLASS_E_NOAGGREGATION;
 109
 110     sf = (IGenericSFImpl *) LocalAlloc (GMEM_ZEROINIT, sizeof (IGenericSFImpl));
 111     if (!sf)
 112         return E_OUTOFMEMORY;
 113
 114     sf->ref = 0;
 115     ICOM_VTBL (sf) = &vt_ShellFolder2;
 116     sf->lpVtblPersistFolder2 = &vt_PersistFolder2;
 117     sf->pidlRoot = _ILCreateMyComputer ();      /* my qualified pidl */
 118
 119     if (!SUCCEEDED (IUnknown_QueryInterface (_IUnknown_ (sf), riid, ppv))) {
 120         IUnknown_Release (_IUnknown_ (sf));
 121         return E_NOINTERFACE;
 122     }
 123
 124     TRACE ("--(%p)\n", sf);
 125     return S_OK;
 126 }
 127
 128 /**************************************************************************
 129  *      ISF_MyComputer_fnQueryInterface
 130  *
 131  * NOTES supports not IPersist/IPersistFolder
 132  */
 133 static HRESULT WINAPI ISF_MyComputer_fnQueryInterface (IShellFolder2 * iface, REFIID riid, LPVOID * ppvObj)
 134 {
 135     ICOM_THIS (IGenericSFImpl, iface);
 136
 137     TRACE ("(%p)->(%s,%p)\n", This, shdebugstr_guid (riid), ppvObj);
 138
 139     *ppvObj = NULL;
 140
 141     if (IsEqualIID (riid, &IID_IUnknown) ||
 142         IsEqualIID (riid, &IID_IShellFolder) || IsEqualIID (riid, &IID_IShellFolder2)) {
 143         *ppvObj = This;
 144     } else if (IsEqualIID (riid, &IID_IPersist) ||
 145                IsEqualIID (riid, &IID_IPersistFolder) || IsEqualIID (riid, &IID_IPersistFolder2)) {
 146         *ppvObj = _IPersistFolder2_ (This);
 147     }
 148
 149     if (*ppvObj) {
 150         IUnknown_AddRef ((IUnknown *) (*ppvObj));
 151         TRACE ("-- Interface: (%p)->(%p)\n", ppvObj, *ppvObj);
 152         return S_OK;
 153     }
 154     TRACE ("-- Interface: E_NOINTERFACE\n");
 155     return E_NOINTERFACE;
 156 }
 157
 158 static ULONG WINAPI ISF_MyComputer_fnAddRef (IShellFolder2 * iface)
 159 {
 160     ICOM_THIS (IGenericSFImpl, iface);
 161
 162     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
 163
 164     return ++(This->ref);
 165 }
 166
 167 static ULONG WINAPI ISF_MyComputer_fnRelease (IShellFolder2 * iface)
 168 {
 169     ICOM_THIS (IGenericSFImpl, iface);
 170
 171     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
 172
 173     if (!--(This->ref)) {
 174         TRACE ("-- destroying IShellFolder(%p)\n", This);
 175         if (This->pidlRoot)
 176             SHFree (This->pidlRoot);
 177         LocalFree ((HLOCAL) This);
 178         return 0;
 179     }
 180     return This->ref;
 181 }
 182
 183 /**************************************************************************
 184 *       ISF_MyComputer_fnParseDisplayName
 185 */
 186 static HRESULT WINAPI
 187 ISF_MyComputer_fnParseDisplayName (IShellFolder2 * iface,
 188                                    HWND hwndOwner,
 189                                    LPBC pbcReserved,
 190                                    LPOLESTR lpszDisplayName,
 191                                    DWORD * pchEaten, LPITEMIDLIST * ppidl, DWORD * pdwAttributes)
 192 {
 193     ICOM_THIS (IGenericSFImpl, iface);
 194
 195     HRESULT hr = E_OUTOFMEMORY;
 196     LPCWSTR szNext = NULL;
 197     WCHAR szElement[MAX_PATH];
 198     CHAR szTempA[MAX_PATH];
 199     LPITEMIDLIST pidlTemp;
 200
 201     TRACE ("(%p)->(HWND=%p,%p,%p=%s,%p,pidl=%p,%p)\n",
 202            This, hwndOwner, pbcReserved, lpszDisplayName, debugstr_w (lpszDisplayName), pchEaten, ppidl, pdwAttributes);
 203
 204     *ppidl = 0;
 205     if (pchEaten)
 206         *pchEaten = 0;          /* strange but like the original */
 207
 208     /* do we have an absolute path name ? */
 209     if (PathGetDriveNumberW (lpszDisplayName) >= 0 && lpszDisplayName[2] == (WCHAR) '\\') {
 210         szNext = GetNextElementW (lpszDisplayName, szElement, MAX_PATH);
 211         WideCharToMultiByte (CP_ACP, 0, szElement, -1, szTempA, MAX_PATH, NULL, NULL);
 212         pidlTemp = _ILCreateDrive (szTempA);
 213
 214         if (szNext && *szNext) {
 215             hr = SHELL32_ParseNextElement (hwndOwner, iface, &pidlTemp, (LPOLESTR) szNext, pchEaten, pdwAttributes);
 216         } else {
 217             if (pdwAttributes && *pdwAttributes) {
 218                 SHELL32_GetItemAttributes (_IShellFolder_ (This), pidlTemp, pdwAttributes);
 219             }
 220             hr = S_OK;
 221         }
 222         *ppidl = pidlTemp;
 223     }
 224
 225     TRACE ("(%p)->(-- ret=0x%08lx)\n", This, hr);
 226
 227     return hr;
 228 }
 229
 230 /**************************************************************************
 231 *               ISF_MyComputer_fnEnumObjects
 232 */
 233 static HRESULT WINAPI
 234 ISF_MyComputer_fnEnumObjects (IShellFolder2 * iface, HWND hwndOwner, DWORD dwFlags, LPENUMIDLIST * ppEnumIDList)
 235 {
 236     ICOM_THIS (IGenericSFImpl, iface);
 237
 238     TRACE ("(%p)->(HWND=%p flags=0x%08lx pplist=%p)\n", This, hwndOwner, dwFlags, ppEnumIDList);
 239
 240     *ppEnumIDList = IEnumIDList_Constructor (NULL, dwFlags, EIDL_MYCOMP);
 241
 242     TRACE ("-- (%p)->(new ID List: %p)\n", This, *ppEnumIDList);
 243
 244     return (*ppEnumIDList) ? S_OK : E_OUTOFMEMORY;
 245 }
 246
 247 /**************************************************************************
 248 *               ISF_MyComputer_fnBindToObject
 249 */
 250 static HRESULT WINAPI
 251 ISF_MyComputer_fnBindToObject (IShellFolder2 * iface, LPCITEMIDLIST pidl,
 252                                LPBC pbcReserved, REFIID riid, LPVOID * ppvOut)
 253 {
 254     ICOM_THIS (IGenericSFImpl, iface);
 255
 256     TRACE ("(%p)->(pidl=%p,%p,%s,%p)\n", This, pidl, pbcReserved, shdebugstr_guid (riid), ppvOut);
 257
 258     return SHELL32_BindToChild (This->pidlRoot, NULL, pidl, riid, ppvOut);
 259 }
 260
 261 /**************************************************************************
 262 *       ISF_MyComputer_fnBindToStorage
 263 */
 264 static HRESULT WINAPI
 265 ISF_MyComputer_fnBindToStorage (IShellFolder2 * iface,
 266                                 LPCITEMIDLIST pidl, LPBC pbcReserved, REFIID riid, LPVOID * ppvOut)
 267 {
 268     ICOM_THIS (IGenericSFImpl, iface);
 269
 270     FIXME ("(%p)->(pidl=%p,%p,%s,%p) stub\n", This, pidl, pbcReserved, shdebugstr_guid (riid), ppvOut);
 271
 272     *ppvOut = NULL;
 273     return E_NOTIMPL;
 274 }
 275
 276 /**************************************************************************
 277 *       ISF_MyComputer_fnCompareIDs
 278 */
 279
 280 static HRESULT WINAPI
 281 ISF_MyComputer_fnCompareIDs (IShellFolder2 * iface, LPARAM lParam, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 282 {
 283     ICOM_THIS (IGenericSFImpl, iface);
 284
 285     int nReturn;
 286
 287     TRACE ("(%p)->(0x%08lx,pidl1=%p,pidl2=%p)\n", This, lParam, pidl1, pidl2);
 288     nReturn = SHELL32_CompareIDs (_IShellFolder_ (This), lParam, pidl1, pidl2);
 289     TRACE ("-- %i\n", nReturn);
 290     return nReturn;
 291 }
 292
 293 /**************************************************************************
 294 *       ISF_MyComputer_fnCreateViewObject
 295 */
 296 static HRESULT WINAPI
 297 ISF_MyComputer_fnCreateViewObject (IShellFolder2 * iface, HWND hwndOwner, REFIID riid, LPVOID * ppvOut)
 298 {
 299     ICOM_THIS (IGenericSFImpl, iface);
 300
 301     LPSHELLVIEW pShellView;
 302     HRESULT hr = E_INVALIDARG;
 303
 304     TRACE ("(%p)->(hwnd=%p,%s,%p)\n", This, hwndOwner, shdebugstr_guid (riid), ppvOut);
 305
 306     if (ppvOut) {
 307         *ppvOut = NULL;
 308
 309         if (IsEqualIID (riid, &IID_IDropTarget)) {
 310             WARN ("IDropTarget not implemented\n");
 311             hr = E_NOTIMPL;
 312         } else if (IsEqualIID (riid, &IID_IContextMenu)) {
 313             WARN ("IContextMenu not implemented\n");
 314             hr = E_NOTIMPL;
 315         } else if (IsEqualIID (riid, &IID_IShellView)) {
 316             pShellView = IShellView_Constructor ((IShellFolder *) iface);
 317             if (pShellView) {
 318                 hr = IShellView_QueryInterface (pShellView, riid, ppvOut);
 319                 IShellView_Release (pShellView);
 320             }
 321         }
 322     }
 323     TRACE ("-- (%p)->(interface=%p)\n", This, ppvOut);
 324     return hr;
 325 }
 326
 327 /**************************************************************************
 328 *  ISF_MyComputer_fnGetAttributesOf
 329 */
 330 static HRESULT WINAPI
 331 ISF_MyComputer_fnGetAttributesOf (IShellFolder2 * iface, UINT cidl, LPCITEMIDLIST * apidl, DWORD * rgfInOut)
 332 {
 333     ICOM_THIS (IGenericSFImpl, iface);
 334
 335     HRESULT hr = S_OK;
 336
 337     TRACE ("(%p)->(cidl=%d apidl=%p mask=0x%08lx)\n", This, cidl, apidl, *rgfInOut);
 338
 339     if ((!cidl) || (!apidl) || (!rgfInOut))
 340         return E_INVALIDARG;
 341
 342     while (cidl > 0 && *apidl) {
 343         pdump (*apidl);
 344         SHELL32_GetItemAttributes (_IShellFolder_ (This), *apidl, rgfInOut);
 345         apidl++;
 346         cidl--;
 347     }
 348
 349     TRACE ("-- result=0x%08lx\n", *rgfInOut);
 350     return hr;
 351 }
 352
 353 /**************************************************************************
 354 *       ISF_MyComputer_fnGetUIObjectOf
 355 *
 356 * PARAMETERS
 357 *  HWND           hwndOwner, //[in ] Parent window for any output
 358 *  UINT           cidl,      //[in ] array size
 359 *  LPCITEMIDLIST* apidl,     //[in ] simple pidl array
 360 *  REFIID         riid,      //[in ] Requested Interface
 361 *  UINT*          prgfInOut, //[   ] reserved
 362 *  LPVOID*        ppvObject) //[out] Resulting Interface
 363 *
 364 */
 365 static HRESULT WINAPI
 366 ISF_MyComputer_fnGetUIObjectOf (IShellFolder2 * iface,
 367                                 HWND hwndOwner,
 368                                 UINT cidl, LPCITEMIDLIST * apidl, REFIID riid, UINT * prgfInOut, LPVOID * ppvOut)
 369 {
 370     ICOM_THIS (IGenericSFImpl, iface);
 371
 372     LPITEMIDLIST pidl;
 373     IUnknown *pObj = NULL;
 374     HRESULT hr = E_INVALIDARG;
 375
 376     TRACE ("(%p)->(%p,%u,apidl=%p,%s,%p,%p)\n",
 377            This, hwndOwner, cidl, apidl, shdebugstr_guid (riid), prgfInOut, ppvOut);
 378
 379     if (ppvOut) {
 380         *ppvOut = NULL;
 381
 382         if (IsEqualIID (riid, &IID_IContextMenu) && (cidl >= 1)) {
 383             pObj = (LPUNKNOWN) ISvItemCm_Constructor ((IShellFolder *) iface, This->pidlRoot, apidl, cidl);
 384             hr = S_OK;
 385         } else if (IsEqualIID (riid, &IID_IDataObject) && (cidl >= 1)) {
 386             pObj = (LPUNKNOWN) IDataObject_Constructor (hwndOwner, This->pidlRoot, apidl, cidl);
 387             hr = S_OK;
 388         } else if (IsEqualIID (riid, &IID_IExtractIconA) && (cidl == 1)) {
 389             pidl = ILCombine (This->pidlRoot, apidl[0]);
 390             pObj = (LPUNKNOWN) IExtractIconA_Constructor (pidl);
 391             SHFree (pidl);
 392             hr = S_OK;
 393         } else if (IsEqualIID (riid, &IID_IExtractIconW) && (cidl == 1)) {
 394             pidl = ILCombine (This->pidlRoot, apidl[0]);
 395             pObj = (LPUNKNOWN) IExtractIconW_Constructor (pidl);
 396             SHFree (pidl);
 397             hr = S_OK;
 398         } else if (IsEqualIID (riid, &IID_IDropTarget) && (cidl >= 1)) {
 399             hr = IShellFolder_QueryInterface (iface, &IID_IDropTarget, (LPVOID *) & pObj);
 400         } else {
 401             hr = E_NOINTERFACE;
 402         }
 403
 404         if (!pObj)
 405             hr = E_OUTOFMEMORY;
 406
 407         *ppvOut = pObj;
 408     }
 409     TRACE ("(%p)->hr=0x%08lx\n", This, hr);
 410     return hr;
 411 }
 412
 413 /**************************************************************************
 414 *       ISF_MyComputer_fnGetDisplayNameOf
 415 *
 416 * NOTES
 417 *       The desktopfolder creates only complete paths (SHGDN_FORPARSING).
 418 *       SHGDN_INFOLDER makes no sense.
 419 */
 420 static HRESULT WINAPI ISF_MyComputer_fnGetDisplayNameOf (IShellFolder2 * iface, LPCITEMIDLIST pidl, DWORD dwFlags, LPSTRRET strRet)
 421 {
 422     ICOM_THIS (IGenericSFImpl, iface);
 423
 424     char szPath[MAX_PATH],
 425       szDrive[18];
 426     int len = 0;
 427     BOOL bSimplePidl;
 428
 429     TRACE ("(%p)->(pidl=%p,0x%08lx,%p)\n", This, pidl, dwFlags, strRet);
 430     pdump (pidl);
 431
 432     if (!strRet)
 433         return E_INVALIDARG;
 434
 435     szPath[0] = 0x00;
 436     szDrive[0] = 0x00;
 437
 438     bSimplePidl = _ILIsPidlSimple (pidl);
 439
 440     if (_ILIsSpecialFolder (pidl)) {
 441         /* take names of special folders only if its only this folder */
 442         if (bSimplePidl) {
 443             _ILSimpleGetText (pidl, szPath, MAX_PATH);  /* append my own path */
 444         } else {
 445             FIXME ("special folder\n");
 446         }
 447     } else {
 448         if (!_ILIsDrive (pidl)) {
 449             ERR ("Wrong pidl type\n");
 450             return E_INVALIDARG;
 451         }
 452
 453         _ILSimpleGetText (pidl, szPath, MAX_PATH);      /* append my own path */
 454
 455         /* long view "lw_name (C:)" */
 456         if (bSimplePidl && !(dwFlags & SHGDN_FORPARSING)) {
 457             DWORD dwVolumeSerialNumber,
 458               dwMaximumComponetLength,
 459               dwFileSystemFlags;
 460
 461             GetVolumeInformationA (szPath, szDrive, sizeof (szDrive) - 6, &dwVolumeSerialNumber,
 462                                    &dwMaximumComponetLength, &dwFileSystemFlags, NULL, 0);
 463             strcat (szDrive, " (");
 464             strncat (szDrive, szPath, 2);
 465             strcat (szDrive, ")");
 466             strcpy (szPath, szDrive);
 467         }
 468     }
 469
 470     if (!bSimplePidl) {         /* go deeper if needed */
 471         PathAddBackslashA (szPath);
 472         len = strlen (szPath);
 473
 474         if (!SUCCEEDED
 475             (SHELL32_GetDisplayNameOfChild (iface, pidl, dwFlags | SHGDN_INFOLDER, szPath + len, MAX_PATH - len)))
 476             return E_OUTOFMEMORY;
 477     }
 478     strRet->uType = STRRET_CSTR;
 479     lstrcpynA (strRet->u.cStr, szPath, MAX_PATH);
 480
 481     TRACE ("-- (%p)->(%s)\n", This, szPath);
 482     return S_OK;
 483 }
 484
 485 /**************************************************************************
 486 *  ISF_MyComputer_fnSetNameOf
 487 *  Changes the name of a file object or subfolder, possibly changing its item
 488 *  identifier in the process.
 489 *
 490 * PARAMETERS
 491 *  HWND          hwndOwner,  //[in ] Owner window for output
 492 *  LPCITEMIDLIST pidl,       //[in ] simple pidl of item to change
 493 *  LPCOLESTR     lpszName,   //[in ] the items new display name
 494 *  DWORD         dwFlags,    //[in ] SHGNO formatting flags
 495 *  LPITEMIDLIST* ppidlOut)   //[out] simple pidl returned
 496 */
 497 static HRESULT WINAPI ISF_MyComputer_fnSetNameOf (IShellFolder2 * iface, HWND hwndOwner, LPCITEMIDLIST pidl,    /*simple pidl */
 498                                                   LPCOLESTR lpName, DWORD dwFlags, LPITEMIDLIST * pPidlOut)
 499 {
 500     ICOM_THIS (IGenericSFImpl, iface);
 501     FIXME ("(%p)->(%p,pidl=%p,%s,%lu,%p)\n", This, hwndOwner, pidl, debugstr_w (lpName), dwFlags, pPidlOut);
 502     return E_FAIL;
 503 }
 504
 505 static HRESULT WINAPI ISF_MyComputer_fnGetDefaultSearchGUID (IShellFolder2 * iface, GUID * pguid)
 506 {
 507     ICOM_THIS (IGenericSFImpl, iface);
 508     FIXME ("(%p)\n", This);
 509     return E_NOTIMPL;
 510 }
 511 static HRESULT WINAPI ISF_MyComputer_fnEnumSearches (IShellFolder2 * iface, IEnumExtraSearch ** ppenum)
 512 {
 513     ICOM_THIS (IGenericSFImpl, iface);
 514     FIXME ("(%p)\n", This);
 515     return E_NOTIMPL;
 516 }
 517 static HRESULT WINAPI ISF_MyComputer_fnGetDefaultColumn (IShellFolder2 * iface, DWORD dwRes, ULONG * pSort, ULONG * pDisplay)
 518 {
 519     ICOM_THIS (IGenericSFImpl, iface);
 520
 521     TRACE ("(%p)\n", This);
 522
 523     if (pSort) *pSort = 0;
 524     if (pDisplay) *pDisplay = 0;
 525     return S_OK;
 526 }
 527 static HRESULT WINAPI ISF_MyComputer_fnGetDefaultColumnState (IShellFolder2 * iface, UINT iColumn, DWORD * pcsFlags)
 528 {
 529     ICOM_THIS (IGenericSFImpl, iface);
 530
 531     TRACE ("(%p)\n", This);
 532
 533     if (!pcsFlags || iColumn >= MYCOMPUTERSHELLVIEWCOLUMNS) return E_INVALIDARG;
 534     *pcsFlags = MyComputerSFHeader[iColumn].pcsFlags;
 535     return S_OK;
 536 }
 537 static HRESULT WINAPI ISF_MyComputer_fnGetDetailsEx (IShellFolder2 * iface, LPCITEMIDLIST pidl, const SHCOLUMNID * pscid, VARIANT * pv)
 538 {
 539     ICOM_THIS (IGenericSFImpl, iface);
 540     FIXME ("(%p)\n", This);
 541     return E_NOTIMPL;
 542 }
 543
 544 /* FIXME: drive size >4GB is rolling over */
 545 static HRESULT WINAPI ISF_MyComputer_fnGetDetailsOf (IShellFolder2 * iface, LPCITEMIDLIST pidl, UINT iColumn, SHELLDETAILS * psd)
 546 {
 547     ICOM_THIS (IGenericSFImpl, iface);
 548     HRESULT hr;
 549
 550     TRACE ("(%p)->(%p %i %p)\n", This, pidl, iColumn, psd);
 551
 552     if (!psd || iColumn >= MYCOMPUTERSHELLVIEWCOLUMNS)
 553         return E_INVALIDARG;
 554
 555     if (!pidl) {
 556         psd->fmt = MyComputerSFHeader[iColumn].fmt;
 557         psd->cxChar = MyComputerSFHeader[iColumn].cxChar;
 558         psd->str.uType = STRRET_CSTR;
 559         LoadStringA (shell32_hInstance, MyComputerSFHeader[iColumn].colnameid, psd->str.u.cStr, MAX_PATH);
 560         return S_OK;
 561     } else {
 562         char szPath[MAX_PATH];
 563         ULARGE_INTEGER ulBytes;
 564
 565         psd->str.u.cStr[0] = 0x00;
 566         psd->str.uType = STRRET_CSTR;
 567         switch (iColumn) {
 568         case 0:         /* name */
 569             hr = IShellFolder_GetDisplayNameOf (iface, pidl, SHGDN_NORMAL | SHGDN_INFOLDER, &psd->str);
 570             break;
 571         case 1:         /* type */
 572             _ILGetFileType (pidl, psd->str.u.cStr, MAX_PATH);
 573             break;
 574         case 2:         /* total size */
 575             if (_ILIsDrive (pidl)) {
 576                 _ILSimpleGetText (pidl, szPath, MAX_PATH);
 577                 GetDiskFreeSpaceExA (szPath, NULL, &ulBytes, NULL);
 578                 StrFormatByteSizeA (ulBytes.s.LowPart, psd->str.u.cStr, MAX_PATH);
 579             }
 580             break;
 581         case 3:         /* free size */
 582             if (_ILIsDrive (pidl)) {
 583                 _ILSimpleGetText (pidl, szPath, MAX_PATH);
 584                 GetDiskFreeSpaceExA (szPath, &ulBytes, NULL, NULL);
 585                 StrFormatByteSizeA (ulBytes.s.LowPart, psd->str.u.cStr, MAX_PATH);
 586             }
 587             break;
 588         }
 589         hr = S_OK;
 590     }
 591
 592     return hr;
 593 }
 594 static HRESULT WINAPI ISF_MyComputer_fnMapNameToSCID (IShellFolder2 * iface, LPCWSTR pwszName, SHCOLUMNID * pscid)
 595 {
 596     ICOM_THIS (IGenericSFImpl, iface);
 597     FIXME ("(%p)\n", This);
 598     return E_NOTIMPL;
 599 }
 600
 601 static ICOM_VTABLE (IShellFolder2) vt_ShellFolder2 =
 602 {
 603         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 604         ISF_MyComputer_fnQueryInterface,
 605         ISF_MyComputer_fnAddRef,
 606         ISF_MyComputer_fnRelease,
 607         ISF_MyComputer_fnParseDisplayName,
 608         ISF_MyComputer_fnEnumObjects,
 609         ISF_MyComputer_fnBindToObject,
 610         ISF_MyComputer_fnBindToStorage,
 611         ISF_MyComputer_fnCompareIDs,
 612         ISF_MyComputer_fnCreateViewObject,
 613         ISF_MyComputer_fnGetAttributesOf,
 614         ISF_MyComputer_fnGetUIObjectOf,
 615         ISF_MyComputer_fnGetDisplayNameOf,
 616         ISF_MyComputer_fnSetNameOf,
 617         /* ShellFolder2 */
 618         ISF_MyComputer_fnGetDefaultSearchGUID,
 619         ISF_MyComputer_fnEnumSearches,
 620         ISF_MyComputer_fnGetDefaultColumn,
 621         ISF_MyComputer_fnGetDefaultColumnState,
 622         ISF_MyComputer_fnGetDetailsEx,
 623         ISF_MyComputer_fnGetDetailsOf,
 624         ISF_MyComputer_fnMapNameToSCID
 625 };
 626
 627 /************************************************************************
 628  *      IMCFldr_PersistFolder2_QueryInterface
 629  */
 630 static HRESULT WINAPI IMCFldr_PersistFolder2_QueryInterface (IPersistFolder2 * iface, REFIID iid, LPVOID * ppvObj)
 631 {
 632     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 633
 634     TRACE ("(%p)\n", This);
 635
 636     return IUnknown_QueryInterface (_IUnknown_ (This), iid, ppvObj);
 637 }
 638
 639 /************************************************************************
 640  *      IMCFldr_PersistFolder2_AddRef
 641  */
 642 static ULONG WINAPI IMCFldr_PersistFolder2_AddRef (IPersistFolder2 * iface)
 643 {
 644     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 645
 646     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
 647
 648     return IUnknown_AddRef (_IUnknown_ (This));
 649 }
 650
 651 /************************************************************************
 652  *      ISFPersistFolder_Release
 653  */
 654 static ULONG WINAPI IMCFldr_PersistFolder2_Release (IPersistFolder2 * iface)
 655 {
 656     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 657
 658     TRACE ("(%p)->(count=%lu)\n", This, This->ref);
 659
 660     return IUnknown_Release (_IUnknown_ (This));
 661 }
 662
 663 /************************************************************************
 664  *      IMCFldr_PersistFolder2_GetClassID
 665  */
 666 static HRESULT WINAPI IMCFldr_PersistFolder2_GetClassID (IPersistFolder2 * iface, CLSID * lpClassId)
 667 {
 668     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 669
 670     TRACE ("(%p)\n", This);
 671
 672     if (!lpClassId)
 673         return E_POINTER;
 674     *lpClassId = CLSID_MyComputer;
 675
 676     return S_OK;
 677 }
 678
 679 /************************************************************************
 680  *      IMCFldr_PersistFolder2_Initialize
 681  *
 682  * NOTES: it makes no sense to change the pidl
 683  */
 684 static HRESULT WINAPI IMCFldr_PersistFolder2_Initialize (IPersistFolder2 * iface, LPCITEMIDLIST pidl)
 685 {
 686     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 687     TRACE ("(%p)->(%p)\n", This, pidl);
 688     return E_NOTIMPL;
 689 }
 690
 691 /**************************************************************************
 692  *      IPersistFolder2_fnGetCurFolder
 693  */
 694 static HRESULT WINAPI IMCFldr_PersistFolder2_GetCurFolder (IPersistFolder2 * iface, LPITEMIDLIST * pidl)
 695 {
 696     _ICOM_THIS_From_IPersistFolder2 (IGenericSFImpl, iface);
 697
 698     TRACE ("(%p)->(%p)\n", This, pidl);
 699
 700     if (!pidl)
 701         return E_POINTER;
 702     *pidl = ILClone (This->pidlRoot);
 703     return S_OK;
 704 }
 705
 706 static ICOM_VTABLE (IPersistFolder2) vt_PersistFolder2 =
 707 {
 708 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 709         IMCFldr_PersistFolder2_QueryInterface,
 710         IMCFldr_PersistFolder2_AddRef,
 711         IMCFldr_PersistFolder2_Release,
 712         IMCFldr_PersistFolder2_GetClassID,
 713         IMCFldr_PersistFolder2_Initialize,
 714         IMCFldr_PersistFolder2_GetCurFolder
 715 };