reactos/lib/shell32/shfldr_desktop.c

   1
   2 /*
   3  *    Virtual Desktop 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 COBJMACROS
  32 #define NONAMELESSUNION
  33 #define NONAMELESSSTRUCT
  34
  35 #include "winerror.h"
  36 #include "windef.h"
  37 #include "winbase.h"
  38 #include "winreg.h"
  39 #include "wingdi.h"
  40 #include "winuser.h"
  41
  42 #include "ole2.h"
  43 #include "shlguid.h"
  44
  45 #include "enumidlist.h"
  46 #include "pidl.h"
  47 #include "undocshell.h"
  48 #include "shell32_main.h"
  49 #include "shresdef.h"
  50 #include "shlwapi.h"
  51 #include "shellfolder.h"
  52 #include "wine/debug.h"
  53 #include "debughlp.h"
  54 #include "shfldr.h"
  55
  56 WINE_DEFAULT_DEBUG_CHANNEL (shell);
  57
  58 /***********************************************************************
  59 *     Desktopfolder implementation
  60 */
  61
  62 typedef struct {
  63     IShellFolder2Vtbl *lpVtbl;
  64     DWORD ref;
  65
  66     CLSID *pclsid;
  67
  68     /* both paths are parsible from the desktop */
  69     LPSTR sPathTarget;        /* complete path to target used for enumeration and ChangeNotify */
  70     LPITEMIDLIST pidlRoot;    /* absolute pidl */
  71
  72     int dwAttributes;        /* attributes returned by GetAttributesOf FIXME: use it */
  73
  74     UINT cfShellIDList;        /* clipboardformat for IDropTarget */
  75     BOOL fAcceptFmt;        /* flag for pending Drop */
  76 } IGenericSFImpl;
  77
  78 #define _IUnknown_(This)    (IShellFolder*)&(This->lpVtbl)
  79 #define _IShellFolder_(This)    (IShellFolder*)&(This->lpVtbl)
  80
  81 static struct IShellFolder2Vtbl vt_MCFldr_ShellFolder2;
  82
  83 static shvheader DesktopSFHeader[] = {
  84     {IDS_SHV_COLUMN1, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 15},
  85     {IDS_SHV_COLUMN2, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
  86     {IDS_SHV_COLUMN3, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 10},
  87     {IDS_SHV_COLUMN4, SHCOLSTATE_TYPE_DATE | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 12},
  88     {IDS_SHV_COLUMN5, SHCOLSTATE_TYPE_STR | SHCOLSTATE_ONBYDEFAULT, LVCFMT_RIGHT, 5}
  89 };
  90
  91 #define DESKTOPSHELLVIEWCOLUMNS 5
  92
  93 /**************************************************************************
  94  *    ISF_Desktop_Constructor
  95  */
  96 HRESULT WINAPI ISF_Desktop_Constructor (
  97                 IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv)
  98 {
  99     IGenericSFImpl *sf;
 100     char szMyPath[MAX_PATH];
 101
 102     TRACE ("unkOut=%p %s\n", pUnkOuter, shdebugstr_guid (riid));
 103
 104     if (!ppv)
 105         return E_POINTER;
 106     if (pUnkOuter)
 107         return CLASS_E_NOAGGREGATION;
 108
 109     if (!SHGetSpecialFolderPathA (0, szMyPath, CSIDL_DESKTOPDIRECTORY, TRUE))
 110         return E_UNEXPECTED;
 111
 112     sf = (IGenericSFImpl *) LocalAlloc (GMEM_ZEROINIT, sizeof (IGenericSFImpl));
 113     if (!sf)
 114         return E_OUTOFMEMORY;
 115
 116     sf->ref = 0;
 117     sf->lpVtbl = &vt_MCFldr_ShellFolder2;
 118     sf->pidlRoot = _ILCreateDesktop ();    /* my qualified pidl */
 119     sf->sPathTarget = SHAlloc (strlen (szMyPath) + 1);
 120     lstrcpyA (sf->sPathTarget, szMyPath);
 121
 122     if (!SUCCEEDED (IUnknown_QueryInterface (_IUnknown_ (sf), riid, ppv)))
 123     {
 124         IUnknown_Release (_IUnknown_ (sf));
 125         return E_NOINTERFACE;
 126     }
 127
 128     TRACE ("--(%p)\n", sf);
 129     return S_OK;
 130 }
 131
 132 /**************************************************************************
 133  *    ISF_Desktop_fnQueryInterface
 134  *
 135  * NOTES supports not IPersist/IPersistFolder
 136  */
 137 static HRESULT WINAPI ISF_Desktop_fnQueryInterface(
 138                 IShellFolder2 * iface, REFIID riid, LPVOID * ppvObj)
 139 {
 140     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 141
 142     TRACE ("(%p)->(%s,%p)\n", This, shdebugstr_guid (riid), ppvObj);
 143
 144     *ppvObj = NULL;
 145
 146     if (IsEqualIID (riid, &IID_IUnknown) ||
 147         IsEqualIID (riid, &IID_IShellFolder) ||
 148         IsEqualIID (riid, &IID_IShellFolder2))
 149     {
 150         *ppvObj = This;
 151     }
 152
 153     if (*ppvObj)
 154     {
 155         IUnknown_AddRef ((IUnknown *) (*ppvObj));
 156         TRACE ("-- Interface: (%p)->(%p)\n", ppvObj, *ppvObj);
 157         return S_OK;
 158     }
 159     TRACE ("-- Interface: E_NOINTERFACE\n");
 160     return E_NOINTERFACE;
 161 }
 162
 163 static ULONG WINAPI ISF_Desktop_fnAddRef (IShellFolder2 * iface)
 164 {
 165     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 166     ULONG refCount = InterlockedIncrement(&This->ref);
 167
 168     TRACE ("(%p)->(count=%lu)\n", This, refCount - 1);
 169
 170     return refCount;
 171 }
 172
 173 static ULONG WINAPI ISF_Desktop_fnRelease (IShellFolder2 * iface)
 174 {
 175     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 176     ULONG refCount = InterlockedDecrement(&This->ref);
 177
 178     TRACE ("(%p)->(count=%lu)\n", This, refCount + 1);
 179
 180     if (!refCount)
 181     {
 182         TRACE ("-- destroying IShellFolder(%p)\n", This);
 183         if (This->pidlRoot)
 184             SHFree (This->pidlRoot);
 185         if (This->sPathTarget)
 186             SHFree (This->sPathTarget);
 187         LocalFree ((HLOCAL) This);
 188         return 0;
 189     }
 190     return refCount;
 191 }
 192
 193 /**************************************************************************
 194  *    ISF_Desktop_fnParseDisplayName
 195  *
 196  * NOTES
 197  *    "::{20D04FE0-3AEA-1069-A2D8-08002B30309D}" and "" binds
 198  *    to MyComputer
 199  */
 200 static HRESULT WINAPI ISF_Desktop_fnParseDisplayName (IShellFolder2 * iface,
 201                 HWND hwndOwner, LPBC pbc, LPOLESTR lpszDisplayName,
 202                 DWORD * pchEaten, LPITEMIDLIST * ppidl, DWORD * pdwAttributes)
 203 {
 204     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 205     WCHAR szElement[MAX_PATH];
 206     LPCWSTR szNext = NULL;
 207     LPITEMIDLIST pidlTemp = NULL;
 208     HRESULT hr = S_OK;
 209     CLSID clsid;
 210
 211     TRACE ("(%p)->(HWND=%p,%p,%p=%s,%p,pidl=%p,%p)\n",
 212            This, hwndOwner, pbc, lpszDisplayName, debugstr_w(lpszDisplayName),
 213            pchEaten, ppidl, pdwAttributes);
 214
 215     if (!lpszDisplayName || !ppidl)
 216         return E_INVALIDARG;
 217
 218     *ppidl = 0;
 219
 220     if (pchEaten)
 221         *pchEaten = 0;        /* strange but like the original */
 222
 223     if (lpszDisplayName[0] == ':' && lpszDisplayName[1] == ':')
 224     {
 225         szNext = GetNextElementW (lpszDisplayName, szElement, MAX_PATH);
 226         TRACE ("-- element: %s\n", debugstr_w (szElement));
 227         SHCLSIDFromStringW (szElement + 2, &clsid);
 228         pidlTemp = _ILCreateGuid (PT_GUID, &clsid);
 229     }
 230     else if (PathGetDriveNumberW (lpszDisplayName) >= 0)
 231     {
 232         /* it's a filesystem path with a drive. Let MyComputer parse it */
 233         pidlTemp = _ILCreateMyComputer ();
 234         szNext = lpszDisplayName;
 235     }
 236     else if (PathIsUNCW(lpszDisplayName))
 237     {
 238         pidlTemp = _ILCreateNetwork();
 239         szNext = lpszDisplayName;
 240     }
 241     else if( (pidlTemp = SHELL32_CreatePidlFromBindCtx(pbc, lpszDisplayName)) )
 242     {
 243         *ppidl = pidlTemp;
 244         return S_OK;
 245     }
 246     else
 247     {
 248         /* it's a filesystem path on the desktop. Let a FSFolder parse it */
 249
 250         if (*lpszDisplayName)
 251         {
 252             WCHAR szPath[MAX_PATH];
 253             LPWSTR pathPtr;
 254
 255             /* build a complete path to create a simple pidl */
 256             MultiByteToWideChar(CP_ACP, 0, This->sPathTarget, -1, szPath,
 257              sizeof(szPath) / sizeof(szPath[0]));
 258             pathPtr = PathAddBackslashW(szPath);
 259             if (pathPtr)
 260             {
 261                 lstrcpynW(pathPtr, lpszDisplayName,
 262                           sizeof(szPath)/sizeof(szPath[0]) - (pathPtr - szPath));
 263                 hr = _ILCreateFromPathW(szPath, &pidlTemp);
 264             }
 265             else
 266             {
 267                 /* should never reach here, but for completeness */
 268                 hr = HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
 269             }
 270         }
 271         else
 272             pidlTemp = _ILCreateMyComputer();
 273
 274         szNext = NULL;
 275     }
 276
 277     if (SUCCEEDED(hr) && pidlTemp)
 278     {
 279         if (szNext && *szNext)
 280         {
 281             hr = SHELL32_ParseNextElement(iface, hwndOwner, pbc,
 282                     &pidlTemp, (LPOLESTR) szNext, pchEaten, pdwAttributes);
 283         }
 284         else
 285         {
 286             if (pdwAttributes && *pdwAttributes)
 287                 hr = SHELL32_GetItemAttributes(_IShellFolder_ (This),
 288                                                pidlTemp, pdwAttributes);
 289         }
 290     }
 291
 292     *ppidl = pidlTemp;
 293
 294     TRACE ("(%p)->(-- ret=0x%08lx)\n", This, hr);
 295
 296     return hr;
 297 }
 298
 299 /**************************************************************************
 300  *  CreateDesktopEnumList()
 301  */
 302 static const WCHAR Desktop_NameSpaceW[] = { 'S','O','F','T','W','A','R','E',
 303  '\\','M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s','\\',
 304  'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\','E','x','p','l',
 305  'o','r','e','r','\\','D','e','s','k','t','o','p','\\','N','a','m','e','s','p',
 306  'a','c','e','\0' };
 307
 308 static BOOL CreateDesktopEnumList(IEnumIDList *list, DWORD dwFlags)
 309 {
 310     BOOL ret = TRUE;
 311     WCHAR szPath[MAX_PATH];
 312
 313     TRACE("(%p)->(flags=0x%08lx) \n",list,dwFlags);
 314
 315     /* enumerate the root folders */
 316     if (dwFlags & SHCONTF_FOLDERS)
 317     {
 318         HKEY hkey;
 319         LONG r;
 320
 321         /* create the pidl for This item */
 322         ret = AddToEnumList(list, _ILCreateMyComputer());
 323
 324         r = RegOpenKeyExW(HKEY_LOCAL_MACHINE, Desktop_NameSpaceW,
 325                           0, KEY_READ, &hkey);
 326         if (ret && ERROR_SUCCESS == r)
 327         {
 328             WCHAR iid[50];
 329             int i=0;
 330             BOOL moreKeys = TRUE;
 331
 332             while (ret && moreKeys)
 333             {
 334                 DWORD size;
 335
 336                 size = sizeof (iid);
 337                 r = RegEnumKeyExW(hkey, i, iid, &size, 0, NULL, NULL, NULL);
 338                 if (ERROR_SUCCESS == r)
 339                 {
 340                     ret = AddToEnumList(list, _ILCreateGuidFromStrW(iid));
 341                     i++;
 342                 }
 343                 else if (ERROR_NO_MORE_ITEMS == r)
 344                     moreKeys = FALSE;
 345                 else
 346                     ret = FALSE;
 347             }
 348             RegCloseKey(hkey);
 349         }
 350     }
 351
 352     /* enumerate the elements in %windir%\desktop */
 353     SHGetSpecialFolderPathW(0, szPath, CSIDL_DESKTOPDIRECTORY, FALSE);
 354     ret = ret && CreateFolderEnumList(list, szPath, dwFlags);
 355
 356     return ret;
 357 }
 358
 359 /**************************************************************************
 360  *        ISF_Desktop_fnEnumObjects
 361  */
 362 static HRESULT WINAPI ISF_Desktop_fnEnumObjects (IShellFolder2 * iface,
 363                 HWND hwndOwner, DWORD dwFlags, LPENUMIDLIST * ppEnumIDList)
 364 {
 365     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 366
 367     TRACE ("(%p)->(HWND=%p flags=0x%08lx pplist=%p)\n",
 368            This, hwndOwner, dwFlags, ppEnumIDList);
 369
 370     *ppEnumIDList = IEnumIDList_Constructor();
 371     if (*ppEnumIDList)
 372         CreateDesktopEnumList(*ppEnumIDList, dwFlags);
 373
 374     TRACE ("-- (%p)->(new ID List: %p)\n", This, *ppEnumIDList);
 375
 376     return *ppEnumIDList ? S_OK : E_OUTOFMEMORY;
 377 }
 378
 379 /**************************************************************************
 380  *        ISF_Desktop_fnBindToObject
 381  */
 382 static HRESULT WINAPI ISF_Desktop_fnBindToObject (IShellFolder2 * iface,
 383                 LPCITEMIDLIST pidl, LPBC pbcReserved, REFIID riid, LPVOID * ppvOut)
 384 {
 385     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 386
 387     TRACE ("(%p)->(pidl=%p,%p,%s,%p)\n",
 388            This, pidl, pbcReserved, shdebugstr_guid (riid), ppvOut);
 389
 390     return SHELL32_BindToChild (This->pidlRoot, This->sPathTarget, pidl, riid, ppvOut);
 391 }
 392
 393 /**************************************************************************
 394  *    ISF_Desktop_fnBindToStorage
 395  */
 396 static HRESULT WINAPI ISF_Desktop_fnBindToStorage (IShellFolder2 * iface,
 397                 LPCITEMIDLIST pidl, LPBC pbcReserved, REFIID riid, LPVOID * ppvOut)
 398 {
 399     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 400
 401     FIXME ("(%p)->(pidl=%p,%p,%s,%p) stub\n",
 402            This, pidl, pbcReserved, shdebugstr_guid (riid), ppvOut);
 403
 404     *ppvOut = NULL;
 405     return E_NOTIMPL;
 406 }
 407
 408 /**************************************************************************
 409  *     ISF_Desktop_fnCompareIDs
 410  */
 411 static HRESULT WINAPI ISF_Desktop_fnCompareIDs (IShellFolder2 * iface,
 412                         LPARAM lParam, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 413 {
 414     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 415     int nReturn;
 416
 417     TRACE ("(%p)->(0x%08lx,pidl1=%p,pidl2=%p)\n", This, lParam, pidl1, pidl2);
 418     nReturn = SHELL32_CompareIDs (_IShellFolder_ (This), lParam, pidl1, pidl2);
 419     TRACE ("-- %i\n", nReturn);
 420     return nReturn;
 421 }
 422
 423 /**************************************************************************
 424  *    ISF_Desktop_fnCreateViewObject
 425  */
 426 static HRESULT WINAPI ISF_Desktop_fnCreateViewObject (IShellFolder2 * iface,
 427                               HWND hwndOwner, REFIID riid, LPVOID * ppvOut)
 428 {
 429     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 430     LPSHELLVIEW pShellView;
 431     HRESULT hr = E_INVALIDARG;
 432
 433     TRACE ("(%p)->(hwnd=%p,%s,%p)\n",
 434            This, hwndOwner, shdebugstr_guid (riid), ppvOut);
 435
 436     if (!ppvOut)
 437         return hr;
 438
 439     *ppvOut = NULL;
 440
 441     if (IsEqualIID (riid, &IID_IDropTarget))
 442     {
 443         WARN ("IDropTarget not implemented\n");
 444         hr = E_NOTIMPL;
 445     }
 446     else if (IsEqualIID (riid, &IID_IContextMenu))
 447     {
 448         WARN ("IContextMenu not implemented\n");
 449         hr = E_NOTIMPL;
 450     }
 451     else if (IsEqualIID (riid, &IID_IShellView))
 452     {
 453         pShellView = IShellView_Constructor ((IShellFolder *) iface);
 454         if (pShellView)
 455         {
 456             hr = IShellView_QueryInterface (pShellView, riid, ppvOut);
 457             IShellView_Release (pShellView);
 458         }
 459     }
 460     TRACE ("-- (%p)->(interface=%p)\n", This, ppvOut);
 461     return hr;
 462 }
 463
 464 /**************************************************************************
 465  *  ISF_Desktop_fnGetAttributesOf
 466  */
 467 static HRESULT WINAPI ISF_Desktop_fnGetAttributesOf (IShellFolder2 * iface,
 468                 UINT cidl, LPCITEMIDLIST * apidl, DWORD * rgfInOut)
 469 {
 470     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 471     HRESULT hr = S_OK;
 472
 473     TRACE ("(%p)->(cidl=%d apidl=%p mask=0x%08lx)\n",
 474            This, cidl, apidl, *rgfInOut);
 475
 476     if (!cidl || !apidl || !rgfInOut)
 477         return E_INVALIDARG;
 478
 479     if (*rgfInOut == 0)
 480         *rgfInOut = ~0;
 481
 482     while (cidl > 0 && *apidl)
 483     {
 484         pdump (*apidl);
 485         SHELL32_GetItemAttributes (_IShellFolder_ (This), *apidl, rgfInOut);
 486         apidl++;
 487         cidl--;
 488     }
 489
 490     TRACE ("-- result=0x%08lx\n", *rgfInOut);
 491
 492     return hr;
 493 }
 494
 495 /**************************************************************************
 496  *    ISF_Desktop_fnGetUIObjectOf
 497  *
 498  * PARAMETERS
 499  *  HWND           hwndOwner, //[in ] Parent window for any output
 500  *  UINT           cidl,      //[in ] array size
 501  *  LPCITEMIDLIST* apidl,     //[in ] simple pidl array
 502  *  REFIID         riid,      //[in ] Requested Interface
 503  *  UINT*          prgfInOut, //[   ] reserved
 504  *  LPVOID*        ppvObject) //[out] Resulting Interface
 505  *
 506  */
 507 static HRESULT WINAPI ISF_Desktop_fnGetUIObjectOf (IShellFolder2 * iface,
 508                 HWND hwndOwner, UINT cidl, LPCITEMIDLIST * apidl,
 509                 REFIID riid, UINT * prgfInOut, LPVOID * ppvOut)
 510 {
 511     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 512
 513     LPITEMIDLIST pidl;
 514     IUnknown *pObj = NULL;
 515     HRESULT hr = E_INVALIDARG;
 516
 517     TRACE ("(%p)->(%p,%u,apidl=%p,%s,%p,%p)\n",
 518        This, hwndOwner, cidl, apidl, shdebugstr_guid (riid), prgfInOut, ppvOut);
 519
 520     if (!ppvOut)
 521         return hr;
 522
 523     if (IsEqualIID (riid, &IID_IDataObject) && (cidl >= 1))
 524     {
 525         pObj = (LPUNKNOWN) IDataObject_Constructor( hwndOwner,
 526                                                   This->pidlRoot, apidl, cidl);
 527         hr = S_OK;
 528     }
 529     else if ((IsEqualIID(riid,&IID_IShellLinkW) ||
 530               IsEqualIID(riid,&IID_IShellLinkA)) && (cidl == 1))
 531     {
 532         pidl = ILCombine (This->pidlRoot, apidl[0]);
 533         hr = IShellLink_ConstructFromFile(NULL, riid, pidl, (LPVOID*)&pObj);
 534         SHFree (pidl);
 535     }
 536     else if (IsEqualIID (riid, &IID_IContextMenu))
 537     {
 538         if (cidl > 0)
 539             pObj = (LPUNKNOWN) ISvItemCm_Constructor( (IShellFolder *) iface, This->pidlRoot, apidl, cidl);
 540         else
 541             pObj = (LPUNKNOWN) ISvBgCm_Constructor( (IShellFolder *) iface, TRUE);
 542         hr = S_OK;
 543     }
 544     else if (IsEqualIID (riid, &IID_IExtractIconA) && (cidl == 1))
 545     {
 546         pidl = ILCombine (This->pidlRoot, apidl[0]);
 547         pObj = (LPUNKNOWN) IExtractIconA_Constructor (pidl);
 548         SHFree (pidl);
 549         hr = S_OK;
 550     }
 551     else if (IsEqualIID (riid, &IID_IExtractIconW) && (cidl == 1))
 552     {
 553         pidl = ILCombine (This->pidlRoot, apidl[0]);
 554         pObj = (LPUNKNOWN) IExtractIconW_Constructor (pidl);
 555         SHFree (pidl);
 556         hr = S_OK;
 557     }
 558     else if (IsEqualIID (riid, &IID_IDropTarget) && (cidl >= 1))
 559     {
 560         hr = IShellFolder_QueryInterface (iface,
 561                                           &IID_IDropTarget, (LPVOID *) & pObj);
 562     }
 563     else
 564         hr = E_NOINTERFACE;
 565
 566     if (SUCCEEDED(hr) && !pObj)
 567         hr = E_OUTOFMEMORY;
 568
 569     *ppvOut = pObj;
 570     TRACE ("(%p)->hr=0x%08lx\n", This, hr);
 571     return hr;
 572 }
 573
 574 /**************************************************************************
 575  *    ISF_Desktop_fnGetDisplayNameOf
 576  *
 577  * NOTES
 578  *    special case: pidl = null gives desktop-name back
 579  */
 580 static HRESULT WINAPI ISF_Desktop_fnGetDisplayNameOf (IShellFolder2 * iface,
 581                 LPCITEMIDLIST pidl, DWORD dwFlags, LPSTRRET strRet)
 582 {
 583     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 584     CHAR szPath[MAX_PATH];
 585     GUID const *clsid;
 586     HRESULT hr = S_OK;
 587
 588     *szPath = '\0';
 589
 590     TRACE ("(%p)->(pidl=%p,0x%08lx,%p)\n", This, pidl, dwFlags, strRet);
 591     pdump (pidl);
 592
 593     if (!strRet)
 594         return E_INVALIDARG;
 595
 596     if (_ILIsDesktop (pidl))
 597     {
 598         if ((GET_SHGDN_RELATION (dwFlags) == SHGDN_NORMAL) &&
 599             (GET_SHGDN_FOR (dwFlags) == SHGDN_FORPARSING))
 600         {
 601             lstrcpyA (szPath, This->sPathTarget);
 602         }
 603         else
 604             HCR_GetClassNameA(&CLSID_ShellDesktop, szPath, MAX_PATH);
 605     }
 606     else if (_ILIsPidlSimple (pidl))
 607     {
 608         if ((clsid = _ILGetGUIDPointer (pidl)))
 609         {
 610             if (GET_SHGDN_FOR (dwFlags) == SHGDN_FORPARSING)
 611             {
 612                 int bWantsForParsing;
 613
 614                 /*
 615                  * We can only get a filesystem path from a shellfolder if the
 616                  *  value WantsFORPARSING in CLSID\\{...}\\shellfolder exists.
 617                  *
 618                  * Exception: The MyComputer folder doesn't have this key,
 619                  *   but any other filesystem backed folder it needs it.
 620                  */
 621                 if (IsEqualIID (clsid, &CLSID_MyComputer))
 622                 {
 623                     bWantsForParsing = 1;
 624                 }
 625                 else
 626                 {
 627                     /* get the "WantsFORPARSING" flag from the registry */
 628                     static const WCHAR clsidW[] =
 629                      { 'C','L','S','I','D','\\',0 };
 630                     static const WCHAR shellfolderW[] =
 631                      { '\\','s','h','e','l','l','f','o','l','d','e','r',0 };
 632                     static const WCHAR wantsForParsingW[] =
 633                      { 'W','a','n','t','s','F','o','r','P','a','r','s','i','n',
 634                      'g',0 };
 635                     WCHAR szRegPath[100];
 636                     LONG r;
 637
 638                     lstrcpyW (szRegPath, clsidW);
 639                     SHELL32_GUIDToStringW (clsid, &szRegPath[6]);
 640                     lstrcatW (szRegPath, shellfolderW);
 641                     r = SHGetValueW(HKEY_CLASSES_ROOT, szRegPath,
 642                                     wantsForParsingW, NULL, NULL, NULL);
 643                     if (r == ERROR_SUCCESS)
 644                         bWantsForParsing = TRUE;
 645                     else
 646                         bWantsForParsing = FALSE;
 647                 }
 648
 649                 if ((GET_SHGDN_RELATION (dwFlags) == SHGDN_NORMAL) &&
 650                      bWantsForParsing)
 651                 {
 652                     /*
 653                      * we need the filesystem path to the destination folder.
 654                      * Only the folder itself can know it
 655                      */
 656                     hr = SHELL32_GetDisplayNameOfChild (iface, pidl, dwFlags,
 657                                                         szPath, MAX_PATH);
 658                 }
 659                 else
 660                 {
 661                     /* parsing name like ::{...} */
 662                     lstrcpyA (szPath, "::");
 663                     SHELL32_GUIDToStringA (clsid, &szPath[2]);
 664                 }
 665             }
 666             else
 667             {
 668                 /* user friendly name */
 669                 HCR_GetClassNameA (clsid, szPath, MAX_PATH);
 670             }
 671         }
 672         else
 673         {
 674             /* file system folder */
 675             _ILSimpleGetText (pidl, szPath, MAX_PATH);
 676
 677             if (!_ILIsFolder(pidl))
 678             SHELL_FS_ProcessDisplayFilename(szPath, dwFlags);
 679         }
 680     }
 681     else
 682     {
 683         /* a complex pidl, let the subfolder do the work */
 684         hr = SHELL32_GetDisplayNameOfChild (iface, pidl, dwFlags, szPath, MAX_PATH);
 685     }
 686
 687     if (SUCCEEDED (hr))
 688     {
 689         strRet->uType = STRRET_CSTR;
 690         lstrcpynA (strRet->u.cStr, szPath, MAX_PATH);
 691     }
 692
 693     TRACE ("-- (%p)->(%s,0x%08lx)\n", This, szPath, hr);
 694     return hr;
 695 }
 696
 697 /**************************************************************************
 698  *  ISF_Desktop_fnSetNameOf
 699  *  Changes the name of a file object or subfolder, possibly changing its item
 700  *  identifier in the process.
 701  *
 702  * PARAMETERS
 703  *  HWND          hwndOwner,  //[in ] Owner window for output
 704  *  LPCITEMIDLIST pidl,       //[in ] simple pidl of item to change
 705  *  LPCOLESTR     lpszName,   //[in ] the items new display name
 706  *  DWORD         dwFlags,    //[in ] SHGNO formatting flags
 707  *  LPITEMIDLIST* ppidlOut)   //[out] simple pidl returned
 708  */
 709 static HRESULT WINAPI ISF_Desktop_fnSetNameOf (IShellFolder2 * iface,
 710                 HWND hwndOwner, LPCITEMIDLIST pidl,    /* simple pidl */
 711                 LPCOLESTR lpName, DWORD dwFlags, LPITEMIDLIST * pPidlOut)
 712 {
 713     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 714
 715     FIXME ("(%p)->(%p,pidl=%p,%s,%lu,%p)\n", This, hwndOwner, pidl,
 716            debugstr_w (lpName), dwFlags, pPidlOut);
 717
 718     return E_FAIL;
 719 }
 720
 721 static HRESULT WINAPI ISF_Desktop_fnGetDefaultSearchGUID(IShellFolder2 *iface,
 722                 GUID * pguid)
 723 {
 724     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 725
 726     FIXME ("(%p)\n", This);
 727     return E_NOTIMPL;
 728 }
 729
 730 static HRESULT WINAPI ISF_Desktop_fnEnumSearches (IShellFolder2 *iface,
 731                 IEnumExtraSearch ** ppenum)
 732 {
 733     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 734     FIXME ("(%p)\n", This);
 735     return E_NOTIMPL;
 736 }
 737
 738 static HRESULT WINAPI ISF_Desktop_fnGetDefaultColumn (IShellFolder2 * iface,
 739                 DWORD dwRes, ULONG * pSort, ULONG * pDisplay)
 740 {
 741     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 742
 743     TRACE ("(%p)\n", This);
 744
 745     if (pSort)
 746         *pSort = 0;
 747     if (pDisplay)
 748         *pDisplay = 0;
 749
 750     return S_OK;
 751 }
 752 static HRESULT WINAPI ISF_Desktop_fnGetDefaultColumnState (
 753                 IShellFolder2 * iface, UINT iColumn, DWORD * pcsFlags)
 754 {
 755     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 756
 757     TRACE ("(%p)\n", This);
 758
 759     if (!pcsFlags || iColumn >= DESKTOPSHELLVIEWCOLUMNS)
 760     return E_INVALIDARG;
 761
 762     *pcsFlags = DesktopSFHeader[iColumn].pcsFlags;
 763
 764     return S_OK;
 765 }
 766
 767 static HRESULT WINAPI ISF_Desktop_fnGetDetailsEx (IShellFolder2 * iface,
 768                 LPCITEMIDLIST pidl, const SHCOLUMNID * pscid, VARIANT * pv)
 769 {
 770     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 771     FIXME ("(%p)\n", This);
 772
 773     return E_NOTIMPL;
 774 }
 775
 776 static HRESULT WINAPI ISF_Desktop_fnGetDetailsOf (IShellFolder2 * iface,
 777                 LPCITEMIDLIST pidl, UINT iColumn, SHELLDETAILS * psd)
 778 {
 779     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 780
 781     HRESULT hr = E_FAIL;
 782
 783     TRACE ("(%p)->(%p %i %p)\n", This, pidl, iColumn, psd);
 784
 785     if (!psd || iColumn >= DESKTOPSHELLVIEWCOLUMNS)
 786         return E_INVALIDARG;
 787
 788     if (!pidl)
 789     {
 790         psd->fmt = DesktopSFHeader[iColumn].fmt;
 791         psd->cxChar = DesktopSFHeader[iColumn].cxChar;
 792         psd->str.uType = STRRET_CSTR;
 793         LoadStringA (shell32_hInstance, DesktopSFHeader[iColumn].colnameid,
 794                      psd->str.u.cStr, MAX_PATH);
 795         return S_OK;
 796     }
 797
 798     /* the data from the pidl */
 799     switch (iColumn)
 800     {
 801     case 0:        /* name */
 802         hr = IShellFolder_GetDisplayNameOf(iface, pidl,
 803                    SHGDN_NORMAL | SHGDN_INFOLDER, &psd->str);
 804         break;
 805     case 1:        /* size */
 806         _ILGetFileSize (pidl, psd->str.u.cStr, MAX_PATH);
 807         break;
 808     case 2:        /* type */
 809         _ILGetFileType (pidl, psd->str.u.cStr, MAX_PATH);
 810         break;
 811     case 3:        /* date */
 812         _ILGetFileDate (pidl, psd->str.u.cStr, MAX_PATH);
 813         break;
 814     case 4:        /* attributes */
 815         _ILGetFileAttributes (pidl, psd->str.u.cStr, MAX_PATH);
 816         break;
 817     }
 818     hr = S_OK;
 819     psd->str.uType = STRRET_CSTR;
 820
 821     return hr;
 822 }
 823
 824 static HRESULT WINAPI ISF_Desktop_fnMapColumnToSCID (
 825                 IShellFolder2 * iface, UINT column, SHCOLUMNID * pscid)
 826 {
 827     IGenericSFImpl *This = (IGenericSFImpl *)iface;
 828     FIXME ("(%p)\n", This);
 829     return E_NOTIMPL;
 830 }
 831
 832 static IShellFolder2Vtbl vt_MCFldr_ShellFolder2 =
 833 {
 834     ISF_Desktop_fnQueryInterface,
 835     ISF_Desktop_fnAddRef,
 836     ISF_Desktop_fnRelease,
 837     ISF_Desktop_fnParseDisplayName,
 838     ISF_Desktop_fnEnumObjects,
 839     ISF_Desktop_fnBindToObject,
 840     ISF_Desktop_fnBindToStorage,
 841     ISF_Desktop_fnCompareIDs,
 842     ISF_Desktop_fnCreateViewObject,
 843     ISF_Desktop_fnGetAttributesOf,
 844     ISF_Desktop_fnGetUIObjectOf,
 845     ISF_Desktop_fnGetDisplayNameOf,
 846     ISF_Desktop_fnSetNameOf,
 847     /* ShellFolder2 */
 848     ISF_Desktop_fnGetDefaultSearchGUID,
 849     ISF_Desktop_fnEnumSearches,
 850     ISF_Desktop_fnGetDefaultColumn,
 851     ISF_Desktop_fnGetDefaultColumnState,
 852     ISF_Desktop_fnGetDetailsEx,
 853     ISF_Desktop_fnGetDetailsOf,
 854     ISF_Desktop_fnMapColumnToSCID
 855 };