dlls/shell32/shlfolder.c

   1 /*
   2  *      Shell Folder stuff (...and all the OLE-Objects of SHELL32.DLL)
   3  *
   4  *      Copyright 1997  Marcus Meissner
   5  *      Copyright 1998  Juergen Schmied
   6  *
   7  */
   8
   9 #include <ctype.h>
  10 #include <stdlib.h>
  11 #include <string.h>
  12 #include "ole.h"
  13 #include "ole2.h"
  14 #include "debug.h"
  15 #include "compobj.h"
  16 #include "interfaces.h"
  17 #include "shlobj.h"
  18 #include "shell.h"
  19 #include "winerror.h"
  20 #include "winnls.h"
  21 #include "winproc.h"
  22 #include "commctrl.h"
  23 #include "pidl.h"
  24 #include "shell32_main.h"
  25
  26 static HRESULT WINAPI IShellFolder_QueryInterface(LPSHELLFOLDER,REFIID,LPVOID*);
  27 static ULONG WINAPI IShellFolder_AddRef(LPSHELLFOLDER);
  28 static ULONG WINAPI IShellFolder_Release(LPSHELLFOLDER);
  29 static HRESULT WINAPI IShellFolder_Initialize(LPSHELLFOLDER,LPCITEMIDLIST);
  30 static HRESULT WINAPI IShellFolder_ParseDisplayName(LPSHELLFOLDER,HWND32,LPBC,LPOLESTR32,DWORD*,LPITEMIDLIST*,DWORD*);
  31 static HRESULT WINAPI IShellFolder_EnumObjects(LPSHELLFOLDER,HWND32,DWORD,LPENUMIDLIST*);
  32 static HRESULT WINAPI IShellFolder_BindToObject(LPSHELLFOLDER,LPCITEMIDLIST,LPBC,REFIID,LPVOID*);
  33 static HRESULT WINAPI IShellFolder_BindToStorage(LPSHELLFOLDER,LPCITEMIDLIST,LPBC,REFIID,LPVOID*);
  34 static HRESULT WINAPI IShellFolder_CompareIDs(LPSHELLFOLDER,LPARAM,LPCITEMIDLIST,LPCITEMIDLIST);
  35 static HRESULT WINAPI IShellFolder_CreateViewObject(LPSHELLFOLDER,HWND32,REFIID,LPVOID*);
  36 static HRESULT WINAPI IShellFolder_GetAttributesOf(LPSHELLFOLDER,UINT32,LPCITEMIDLIST*,DWORD*);
  37 static HRESULT WINAPI IShellFolder_GetUIObjectOf(LPSHELLFOLDER,HWND32,UINT32,LPCITEMIDLIST*,REFIID,UINT32*,LPVOID*);
  38 static HRESULT WINAPI IShellFolder_GetDisplayNameOf(LPSHELLFOLDER,LPCITEMIDLIST,DWORD,LPSTRRET);
  39 static HRESULT WINAPI IShellFolder_SetNameOf(LPSHELLFOLDER,HWND32,LPCITEMIDLIST,LPCOLESTR32,DWORD,LPITEMIDLIST*);
  40 static BOOL32 WINAPI IShellFolder_GetFolderPath(LPSHELLFOLDER,LPSTR,DWORD);
  41
  42 /***************************************************************************
  43  *  GetNextElement (internal function)
  44  *
  45  * gets a part of a string till the first backslash
  46  *
  47  * PARAMETERS
  48  *  pszNext [IN] string to get the element from
  49  *  pszOut  [IN] pointer to buffer whitch receives string
  50  *  dwOut   [IN] length of pszOut
  51  *
  52  *  RETURNS
  53  *    LPSTR pointer to first, not yet parsed char
  54  */
  55 LPSTR GetNextElement(LPSTR pszNext,LPSTR pszOut,DWORD dwOut)
  56 {       LPSTR   pszTail = pszNext;
  57         DWORD dwCopy;
  58         TRACE(shell,"(%s %p 0x%08lx)\n",debugstr_a(pszNext),pszOut,dwOut);
  59
  60         if(!pszNext || !*pszNext)
  61           return NULL;
  62
  63         while(*pszTail && (*pszTail != '\\'))
  64         { pszTail++;
  65         }
  66         dwCopy=((LPBYTE)pszTail-(LPBYTE)pszNext)/sizeof(CHAR)+1;
  67         lstrcpyn32A(pszOut, pszNext, (dwOut<dwCopy)? dwOut : dwCopy);
  68
  69         if(*pszTail)
  70         {  pszTail++;
  71         }
  72
  73         TRACE(shell,"--(%s %s 0x%08lx)\n",debugstr_a(pszNext),debugstr_a(pszOut),dwOut);
  74         return pszTail;
  75 }
  76
  77 /***********************************************************************
  78 *   IShellFolder implementation
  79 */
  80 static struct IShellFolder_VTable sfvt =
  81 { IShellFolder_QueryInterface,
  82   IShellFolder_AddRef,
  83   IShellFolder_Release,
  84   IShellFolder_ParseDisplayName,
  85   IShellFolder_EnumObjects,
  86   IShellFolder_BindToObject,
  87   IShellFolder_BindToStorage,
  88   IShellFolder_CompareIDs,
  89   IShellFolder_CreateViewObject,
  90   IShellFolder_GetAttributesOf,
  91   IShellFolder_GetUIObjectOf,
  92   IShellFolder_GetDisplayNameOf,
  93   IShellFolder_SetNameOf,
  94   IShellFolder_GetFolderPath
  95 };
  96 /**************************************************************************
  97 *         IShellFolder_Constructor
  98 */
  99
 100 LPSHELLFOLDER IShellFolder_Constructor(LPSHELLFOLDER pParent,LPITEMIDLIST pidl)
 101 {       LPSHELLFOLDER    sf;
 102         DWORD dwSize=0;
 103         sf=(LPSHELLFOLDER)HeapAlloc(GetProcessHeap(),0,sizeof(IShellFolder));
 104         sf->ref=1;
 105         sf->lpvtbl=&sfvt;
 106         sf->sMyPath=NULL;       /* path of the folder */
 107         sf->pMyPidl=NULL;       /* my qualified pidl */
 108         sf->mpSFParent=pParent; /* parrent shellfolder */
 109
 110         TRACE(shell,"(%p)->(parent=%p, pidl=%p)\n",sf,pParent, pidl);
 111
 112         /* keep a copy of the pidl in the instance*/
 113         sf->mpidl = ILClone(pidl);
 114
 115         if(sf->mpidl)        /* do we have a pidl? */
 116         { dwSize = 0;
 117           if(sf->mpSFParent->sMyPath)           /* get the size of the parents path */
 118           { dwSize += strlen(sf->mpSFParent->sMyPath) + 1;
 119             TRACE(shell,"-- (%p)->(parent's path=%s)\n",sf, debugstr_a(sf->mpSFParent->sMyPath));
 120           }
 121           dwSize += _ILGetFolderText(sf->mpidl,NULL,0); /* add the size of the foldername*/
 122           sf->sMyPath = SHAlloc(dwSize);
 123           if(sf->sMyPath)
 124           { *(sf->sMyPath)=0x00;
 125             if(sf->mpSFParent->sMyPath)         /* if the parent has a path, get it*/
 126             {  strcpy(sf->sMyPath, sf->mpSFParent->sMyPath);
 127                PathAddBackslash32A (sf->sMyPath);
 128             }
 129             sf->pMyPidl = ILCombine(sf->pMyPidl, pidl);
 130             _ILGetFolderText(sf->mpidl, sf->sMyPath+strlen(sf->sMyPath), dwSize-strlen(sf->sMyPath));
 131             TRACE(shell,"-- (%p)->(my path=%s)\n",sf, debugstr_a(sf->sMyPath));
 132           }
 133         }
 134         return sf;
 135 }
 136 /**************************************************************************
 137 *  IShellFolder::QueryInterface
 138 * PARAMETERS
 139 *  REFIID riid,        //[in ] Requested InterfaceID
 140 *  LPVOID* ppvObject)  //[out] Interface* to hold the result
 141 */
 142 static HRESULT WINAPI IShellFolder_QueryInterface(
 143   LPSHELLFOLDER this, REFIID riid, LPVOID *ppvObj)
 144 {  char xriid[50];
 145    WINE_StringFromCLSID((LPCLSID)riid,xriid);
 146    TRACE(shell,"(%p)->(\n\tIID:\t%s,%p)\n",this,xriid,ppvObj);
 147
 148   *ppvObj = NULL;
 149
 150   if(IsEqualIID(riid, &IID_IUnknown))          /*IUnknown*/
 151   { *ppvObj = this;
 152   }
 153   else if(IsEqualIID(riid, &IID_IShellFolder))  /*IShellFolder*/
 154   {    *ppvObj = (IShellFolder*)this;
 155   }
 156
 157   if(*ppvObj)
 158   { (*(LPSHELLFOLDER*)ppvObj)->lpvtbl->fnAddRef(this);
 159     TRACE(shell,"-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
 160                 return S_OK;
 161   }
 162         TRACE(shell,"-- Interface: E_NOINTERFACE\n");
 163         return E_NOINTERFACE;
 164 }
 165
 166 /**************************************************************************
 167 *  IShellFolder::AddRef
 168 */
 169
 170 static ULONG WINAPI IShellFolder_AddRef(LPSHELLFOLDER this)
 171 {       TRACE(shell,"(%p)->(count=%lu)\n",this,(this->ref)+1);
 172         return ++(this->ref);
 173 }
 174
 175 /**************************************************************************
 176  *  IShellFolder_Release
 177  */
 178 static ULONG WINAPI IShellFolder_Release(LPSHELLFOLDER this)
 179 {       TRACE(shell,"(%p)->(count=%lu)\n",this,this->ref);
 180         if (!--(this->ref))
 181         { TRACE(shell,"-- destroying IShellFolder(%p)\n",this);
 182
 183           if (pdesktopfolder==this)
 184           { pdesktopfolder=NULL;
 185             TRACE(shell,"-- destroyed IShellFolder(%p) was Desktopfolder\n",this);
 186           }
 187           if(this->pMyPidl)
 188           { SHFree(this->pMyPidl);
 189           }
 190           if(this->mpidl)
 191           { SHFree(this->mpidl);
 192           }
 193           if(this->sMyPath)
 194           { SHFree(this->sMyPath);
 195           }
 196
 197           HeapFree(GetProcessHeap(),0,this);
 198
 199           return 0;
 200         }
 201         return this->ref;
 202 }
 203 /**************************************************************************
 204 *               IShellFolder_ParseDisplayName
 205 * PARAMETERS
 206 *  HWND          hwndOwner,      //[in ] Parent window for any message's
 207 *  LPBC          pbc,            //[in ] reserved
 208 *  LPOLESTR      lpszDisplayName,//[in ] "Unicode" displayname.
 209 *  ULONG*        pchEaten,       //[out] (unicode) characters processed
 210 *  LPITEMIDLIST* ppidl,          //[out] complex pidl to item
 211 *  ULONG*        pdwAttributes   //[out] items attributes
 212 *
 213 * FIXME:
 214 *    pdwAttributes: not used
 215 */
 216 static HRESULT WINAPI IShellFolder_ParseDisplayName(
 217         LPSHELLFOLDER this,
 218         HWND32 hwndOwner,
 219         LPBC pbcReserved,
 220         LPOLESTR32 lpszDisplayName,
 221         DWORD *pchEaten,
 222         LPITEMIDLIST *ppidl,
 223         DWORD *pdwAttributes)
 224 {       HRESULT        hr=E_OUTOFMEMORY;
 225         LPITEMIDLIST   pidlFull=NULL, pidlTemp = NULL, pidlOld = NULL;
 226         LPSTR          pszTemp, pszNext=NULL;
 227         CHAR           szElement[MAX_PATH];
 228         BOOL32         bType;
 229         DWORD          dwChars;
 230
 231         TRACE(shell,"(%p)->(HWND=0x%08x,%p,%p=%s,%p,pidl=%p,%p)\n",
 232                 this,hwndOwner,pbcReserved,lpszDisplayName,
 233                 debugstr_w(lpszDisplayName),pchEaten,ppidl,pdwAttributes);
 234
 235         dwChars=lstrlen32W(lpszDisplayName) + 1;
 236         pszTemp=(LPSTR)HeapAlloc(GetProcessHeap(),0,dwChars);
 237
 238         if(pszTemp)
 239         { hr = E_FAIL;
 240           WideCharToLocal32(pszTemp, lpszDisplayName, dwChars);
 241           if(*pszTemp)
 242           { if (strcmp(pszTemp,"Desktop")==0)
 243             { pidlFull = (LPITEMIDLIST)HeapAlloc(GetProcessHeap(),0,2);
 244               pidlFull->mkid.cb = 0;
 245             }
 246             else if (strcmp(pszTemp,"My Computer")==0)
 247             { pidlFull = _ILCreateMyComputer();
 248             }
 249             else
 250             { pidlFull = _ILCreateMyComputer();
 251
 252               /* check if the lpszDisplayName is Folder or File*/
 253               bType = ! (GetFileAttributes32A(pszNext) & FILE_ATTRIBUTE_DIRECTORY);
 254               pszNext = GetNextElement(pszTemp, szElement, MAX_PATH);
 255
 256               pidlTemp = _ILCreateDrive(szElement);
 257               pidlOld = pidlFull;
 258               pidlFull = ILCombine(pidlFull,pidlTemp);
 259               SHFree(pidlOld);
 260
 261               if(pidlFull)
 262               { while((pszNext=GetNextElement(pszNext, szElement, MAX_PATH)))
 263                 { if(!*pszNext && bType)
 264                   { pidlTemp = _ILCreateValue(szElement);
 265                   }
 266                   else
 267                   { pidlTemp = _ILCreateFolder(szElement);
 268                   }
 269                   pidlOld = pidlFull;
 270                   pidlFull = ILCombine(pidlFull,pidlTemp);
 271                   SHFree(pidlOld);
 272                 }
 273                 hr = S_OK;
 274               }
 275             }
 276           }
 277         }
 278         HeapFree(GetProcessHeap(),0,pszTemp);
 279         *ppidl = pidlFull;
 280         return hr;
 281 }
 282
 283 /**************************************************************************
 284 *               IShellFolder_EnumObjects
 285 * PARAMETERS
 286 *  HWND          hwndOwner,    //[in ] Parent Window
 287 *  DWORD         grfFlags,     //[in ] SHCONTF enumeration mask
 288 *  LPENUMIDLIST* ppenumIDList  //[out] IEnumIDList interface
 289 */
 290 static HRESULT WINAPI IShellFolder_EnumObjects(
 291         LPSHELLFOLDER this,
 292         HWND32 hwndOwner,
 293         DWORD dwFlags,
 294         LPENUMIDLIST* ppEnumIDList)
 295 {       TRACE(shell,"(%p)->(HWND=0x%08x flags=0x%08lx pplist=%p)\n",this,hwndOwner,dwFlags,ppEnumIDList);
 296
 297         *ppEnumIDList = NULL;
 298         *ppEnumIDList = IEnumIDList_Constructor (this->sMyPath, dwFlags);
 299         TRACE(shell,"-- (%p)->(new ID List: %p)\n",this,*ppEnumIDList);
 300         if(!*ppEnumIDList)
 301         { return E_OUTOFMEMORY;
 302         }
 303         return S_OK;
 304 }
 305 /**************************************************************************
 306  *  IShellFolder_Initialize()
 307  *  IPersistFolder Method
 308  */
 309 static HRESULT WINAPI IShellFolder_Initialize( LPSHELLFOLDER this,LPCITEMIDLIST pidl)
 310 {       TRACE(shell,"(%p)->(pidl=%p)\n",this,pidl);
 311
 312         if(this->pMyPidl)
 313         { SHFree(this->pMyPidl);
 314           this->pMyPidl = NULL;
 315         }
 316         this->pMyPidl = ILClone(pidl);
 317         return S_OK;
 318 }
 319
 320 /**************************************************************************
 321 *               IShellFolder_BindToObject
 322 * PARAMETERS
 323 *  LPCITEMIDLIST pidl,       //[in ] complex pidl to open
 324 *  LPBC          pbc,        //[in ] reserved
 325 *  REFIID        riid,       //[in ] Initial Interface
 326 *  LPVOID*       ppvObject   //[out] Interface*
 327 */
 328 static HRESULT WINAPI IShellFolder_BindToObject( LPSHELLFOLDER this, LPCITEMIDLIST pidl,
 329                         LPBC pbcReserved, REFIID riid, LPVOID * ppvOut)
 330 {       char            xriid[50];
 331         HRESULT       hr;
 332         LPSHELLFOLDER pShellFolder;
 333
 334         WINE_StringFromCLSID(riid,xriid);
 335
 336         TRACE(shell,"(%p)->(pidl=%p,%p,\n\tIID:%s,%p)\n",this,pidl,pbcReserved,xriid,ppvOut);
 337
 338         *ppvOut = NULL;
 339
 340         pShellFolder = IShellFolder_Constructor(this, pidl);
 341
 342         if(!pShellFolder)
 343           return E_OUTOFMEMORY;
 344
 345         IShellFolder_Initialize(pShellFolder, this->pMyPidl);
 346
 347         hr = pShellFolder->lpvtbl->fnQueryInterface(pShellFolder, riid, ppvOut);
 348         pShellFolder->lpvtbl->fnRelease(pShellFolder);
 349         TRACE(shell,"-- (%p)->(interface=%p)\n",this, ppvOut);
 350         return hr;
 351 }
 352
 353 /**************************************************************************
 354 *  IShellFolder_BindToStorage
 355 * PARAMETERS
 356 *  LPCITEMIDLIST pidl,       //[in ] complex pidl to store
 357 *  LPBC          pbc,        //[in ] reserved
 358 *  REFIID        riid,       //[in ] Initial storage interface
 359 *  LPVOID*       ppvObject   //[out] Interface* returned
 360 */
 361 static HRESULT WINAPI IShellFolder_BindToStorage(
 362         LPSHELLFOLDER this,
 363     LPCITEMIDLIST pidl, /*simple/complex pidl*/
 364     LPBC pbcReserved,
 365     REFIID riid,
 366     LPVOID *ppvOut)
 367 {       char xriid[50];
 368         WINE_StringFromCLSID(riid,xriid);
 369
 370         FIXME(shell,"(%p)->(pidl=%p,%p,\n\tIID:%s,%p) stub\n",this,pidl,pbcReserved,xriid,ppvOut);
 371
 372   *ppvOut = NULL;
 373   return E_NOTIMPL;
 374 }
 375
 376 /**************************************************************************
 377 *  IShellFolder_CompareIDs
 378 *
 379 * PARMETERS
 380 *  LPARAM        lParam, //[in ] Column?
 381 *  LPCITEMIDLIST pidl1,  //[in ] simple pidl
 382 *  LPCITEMIDLIST pidl2)  //[in ] simple pidl
 383 *
 384 * NOTES
 385 *   Special case - If one of the items is a Path and the other is a File,
 386 *   always make the Path come before the File.
 387 *
 388 * FIXME
 389 *  we have to handle simple pidl's only (?)
 390 */
 391 static HRESULT WINAPI  IShellFolder_CompareIDs(LPSHELLFOLDER this,
 392                  LPARAM lParam, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
 393 { CHAR szString1[MAX_PATH] = "";
 394   CHAR szString2[MAX_PATH] = "";
 395   int   nReturn;
 396   LPCITEMIDLIST  pidlTemp1 = pidl1, pidlTemp2 = pidl2;
 397
 398   TRACE(shell,"(%p)->(0x%08lx,pidl1=%p,pidl2=%p)\n",this,lParam,pidl1,pidl2);
 399   pdump (pidl1);
 400   pdump (pidl2);
 401
 402   if (!pidl1 && !pidl2)
 403     return 0;
 404   if (!pidl1)   /* Desktop < anything */
 405     return -1;
 406   if (!pidl2)
 407     return 1;
 408
 409   /* get the last item in each list */
 410   while((ILGetNext(pidlTemp1))->mkid.cb)
 411     pidlTemp1 = ILGetNext(pidlTemp1);
 412   while((ILGetNext(pidlTemp2))->mkid.cb)
 413     pidlTemp2 = ILGetNext(pidlTemp2);
 414
 415   /* at this point, both pidlTemp1 and pidlTemp2 point to the last item in the list */
 416   if(_ILIsValue(pidlTemp1) != _ILIsValue(pidlTemp2))
 417   { if(_ILIsValue(pidlTemp1))
 418       return 1;
 419    return -1;
 420   }
 421
 422   _ILGetDrive( pidl1,szString1,sizeof(szString1));
 423   _ILGetDrive( pidl2,szString1,sizeof(szString2));
 424   nReturn = strcasecmp(szString1, szString2);
 425
 426   if(nReturn)
 427     return nReturn;
 428
 429   _ILGetFolderText( pidl1,szString1,sizeof(szString1));
 430   _ILGetFolderText( pidl2,szString2,sizeof(szString2));
 431   nReturn = strcasecmp(szString1, szString2);
 432
 433   if(nReturn)
 434     return nReturn;
 435
 436   _ILGetValueText(pidl1,szString1,sizeof(szString1));
 437   _ILGetValueText(pidl2,szString2,sizeof(szString2));
 438   return strcasecmp(szString1, szString2);
 439 }
 440
 441 /**************************************************************************
 442 *         IShellFolder_CreateViewObject
 443 * Creates an View Object representing the ShellFolder
 444 *  IShellView / IShellBrowser / IContextMenu
 445 *
 446 * PARAMETERS
 447 *  HWND    hwndOwner,  // Handle of owner window
 448 *  REFIID  riid,       // Requested initial interface
 449 *  LPVOID* ppvObject)  // Resultant interface*
 450 *
 451 * NOTES
 452 *  the same as SHCreateShellFolderViewEx ???
 453 */
 454 static HRESULT WINAPI IShellFolder_CreateViewObject( LPSHELLFOLDER this,
 455                  HWND32 hwndOwner, REFIID riid, LPVOID *ppvOut)
 456 {       LPSHELLVIEW pShellView;
 457         char    xriid[50];
 458         HRESULT       hr;
 459
 460         WINE_StringFromCLSID(riid,xriid);
 461         TRACE(shell,"(%p)->(hwnd=0x%x,\n\tIID:\t%s,%p)\n",this,hwndOwner,xriid,ppvOut);
 462
 463         *ppvOut = NULL;
 464
 465         pShellView = IShellView_Constructor(this, this->mpidl);
 466         if(!pShellView)
 467           return E_OUTOFMEMORY;
 468         hr = pShellView->lpvtbl->fnQueryInterface(pShellView, riid, ppvOut);
 469         pShellView->lpvtbl->fnRelease(pShellView);
 470         TRACE(shell,"-- (%p)->(interface=%p)\n",this, ppvOut);
 471         return hr;
 472 }
 473
 474 /**************************************************************************
 475 *  IShellFolder_GetAttributesOf
 476 *
 477 * PARAMETERS
 478 *  UINT            cidl,     //[in ] num elements in pidl array
 479 +  LPCITEMIDLIST*  apidl,    //[in ] simple pidl array
 480 *  ULONG*          rgfInOut) //[out] result array
 481 *
 482 * FIXME: quick hack
 483 *  Note: rgfInOut is documented as being an array of ULONGS.
 484 *  This does not seem to be the case. Testing this function using the shell to
 485 *  call it with cidl > 1 (by deleting multiple items) reveals that the shell
 486 *  passes ONE element in the array and writing to further elements will
 487 *  cause the shell to fail later.
 488 */
 489 static HRESULT WINAPI IShellFolder_GetAttributesOf(LPSHELLFOLDER this,UINT32 cidl,LPCITEMIDLIST *apidl,DWORD *rgfInOut)
 490 { LPCITEMIDLIST * pidltemp;
 491   DWORD i;
 492
 493   TRACE(shell,"(%p)->(%d,%p,%p)\n",this,cidl,apidl,rgfInOut);
 494
 495   if ((! cidl )| (!apidl) | (!rgfInOut))
 496     return E_INVALIDARG;
 497
 498   pidltemp=apidl;
 499   *rgfInOut = 0x00;
 500   i=cidl;
 501
 502   TRACE(shell,"-- mask=0x%08lx\n",*rgfInOut);
 503
 504   do
 505   { if (*pidltemp)
 506     { pdump (*pidltemp);
 507       if (_ILIsDesktop( *pidltemp))
 508       { *rgfInOut |= ( SFGAO_HASSUBFOLDER | SFGAO_FOLDER | SFGAO_DROPTARGET | SFGAO_HASPROPSHEET | SFGAO_CANLINK );
 509       }
 510       else if (_ILIsMyComputer( *pidltemp))
 511       { *rgfInOut |= ( SFGAO_HASSUBFOLDER | SFGAO_FOLDER | SFGAO_FILESYSANCESTOR
 512                         | SFGAO_DROPTARGET | SFGAO_HASPROPSHEET | SFGAO_CANRENAME | SFGAO_CANLINK );
 513       }
 514       else if (_ILIsDrive( *pidltemp))
 515       { *rgfInOut |= ( SFGAO_HASSUBFOLDER | SFGAO_FILESYSTEM  | SFGAO_FOLDER | SFGAO_FILESYSANCESTOR  |
 516                         SFGAO_DROPTARGET | SFGAO_HASPROPSHEET | SFGAO_CANLINK );
 517       }
 518       else if (_ILIsFolder( *pidltemp))
 519       { *rgfInOut |= ( SFGAO_HASSUBFOLDER | SFGAO_FILESYSTEM | SFGAO_FOLDER | SFGAO_CAPABILITYMASK );
 520       }
 521       else if (_ILIsValue( *pidltemp))
 522       { *rgfInOut |= (SFGAO_FILESYSTEM | SFGAO_CAPABILITYMASK );
 523       }
 524     }
 525     pidltemp++;
 526     cidl--;
 527   } while (cidl > 0 && *pidltemp);
 528
 529   return S_OK;
 530 }
 531 /**************************************************************************
 532 *  IShellFolder_GetUIObjectOf
 533 *
 534 * PARAMETERS
 535 *  HWND           hwndOwner, //[in ] Parent window for any output
 536 *  UINT           cidl,      //[in ] array size
 537 *  LPCITEMIDLIST* apidl,     //[in ] simple pidl array
 538 *  REFIID         riid,      //[in ] Requested Interface
 539 *  UINT*          prgfInOut, //[   ] reserved
 540 *  LPVOID*        ppvObject) //[out] Resulting Interface
 541 *
 542 * NOTES
 543 *  This function gets asked to return "view objects" for one or more (multiple select)
 544 *  items:
 545 *  The viewobject typically is an COM object with one of the following interfaces:
 546 *  IExtractIcon,IDataObject,IContextMenu
 547 *  In order to support icon positions in the default Listview your DataObject
 548 *  must implement the SetData method (in addition to GetData :) - the shell passes
 549 *  a barely documented "Icon positions" structure to SetData when the drag starts,
 550 *  and GetData's it if the drop is in another explorer window that needs the positions.
 551 */
 552 static HRESULT WINAPI IShellFolder_GetUIObjectOf( LPSHELLFOLDER this,HWND32 hwndOwner,UINT32 cidl,
 553  LPCITEMIDLIST * apidl, REFIID riid, UINT32 * prgfInOut,LPVOID * ppvOut)
 554 {       char            xclsid[50];
 555         LPITEMIDLIST    pidl;
 556         LPUNKNOWN       pObj = NULL;
 557
 558         WINE_StringFromCLSID(riid,xclsid);
 559
 560         TRACE(shell,"(%p)->(%u,%u,apidl=%p,\n\tIID:%s,%p,%p)\n",
 561           this,hwndOwner,cidl,apidl,xclsid,prgfInOut,ppvOut);
 562
 563         *ppvOut = NULL;
 564
 565         if(IsEqualIID(riid, &IID_IContextMenu))
 566         { if(cidl < 1)
 567             return E_INVALIDARG;
 568           pObj  = (LPUNKNOWN)IContextMenu_Constructor(this, apidl, cidl);
 569         }
 570         else if (IsEqualIID(riid, &IID_IDataObject))
 571         { if (cidl < 1)
 572             return(E_INVALIDARG);
 573           pObj = (LPUNKNOWN)IDataObject_Constructor (hwndOwner, this, apidl, cidl);
 574         }
 575         else if(IsEqualIID(riid, &IID_IExtractIcon))
 576         { if (cidl != 1)
 577             return(E_INVALIDARG);
 578           pidl = ILCombine(this->pMyPidl,apidl[0]);
 579           pObj = (LPUNKNOWN)IExtractIcon_Constructor( pidl );
 580           SHFree(pidl);
 581         }
 582         else
 583         { ERR(shell,"(%p)->E_NOINTERFACE\n",this);
 584           return E_NOINTERFACE;
 585         }
 586         if(!pObj)
 587           return E_OUTOFMEMORY;
 588
 589         *ppvOut = pObj;
 590         return S_OK;
 591 }
 592 /**************************************************************************
 593 *  IShellFolder_GetDisplayNameOf
 594 *  Retrieves the display name for the specified file object or subfolder
 595 *
 596 * PARAMETERS
 597 *  LPCITEMIDLIST pidl,    //[in ] complex pidl to item
 598 *  DWORD         dwFlags, //[in ] SHGNO formatting flags
 599 *  LPSTRRET      lpName)  //[out] Returned display name
 600 *
 601 * FIXME
 602 *  if the name is in the pidl the ret value should be a STRRET_OFFSET
 603 */
 604 #define GET_SHGDN_FOR(dwFlags)         ((DWORD)dwFlags & (DWORD)0x0000FF00)
 605 #define GET_SHGDN_RELATION(dwFlags)    ((DWORD)dwFlags & (DWORD)0x000000FF)
 606
 607 static HRESULT WINAPI IShellFolder_GetDisplayNameOf( LPSHELLFOLDER this, LPCITEMIDLIST pidl, DWORD dwFlags, LPSTRRET lpName)
 608 {       CHAR    szText[MAX_PATH];
 609         CHAR    szTemp[MAX_PATH];
 610         CHAR    szSpecial[MAX_PATH];
 611         CHAR    szDrive[MAX_PATH];
 612         DWORD   dwVolumeSerialNumber,dwMaximumComponetLength,dwFileSystemFlags;
 613         LPITEMIDLIST    pidlTemp=NULL;
 614         BOOL32  bSimplePidl=FALSE;
 615
 616         TRACE(shell,"(%p)->(pidl=%p,0x%08lx,%p)\n",this,pidl,dwFlags,lpName);
 617
 618         szSpecial[0]=0x00;
 619         szDrive[0]=0x00;
 620
 621         /* test if simple(relative) or complex(absolute) pidl */
 622         pidlTemp = ILGetNext(pidl);
 623         if (pidlTemp && pidlTemp->mkid.cb==0x00)
 624         { bSimplePidl = TRUE;
 625           TRACE(shell,"-- simple pidl\n");
 626         }
 627         if (_ILIsDesktop( pidl))
 628         { strcpy (szText,"Desktop");
 629         }
 630         else
 631         { if (_ILIsMyComputer( pidl))
 632           { _ILGetItemText( pidl, szSpecial, MAX_PATH);
 633           }
 634           if (_ILIsDrive( pidl))
 635           { pidlTemp = ILFindLastID(pidl);
 636             if (pidlTemp)
 637             { _ILGetItemText( pidlTemp, szTemp, MAX_PATH);
 638             }
 639             if ( dwFlags==SHGDN_NORMAL || dwFlags==SHGDN_INFOLDER)
 640             { GetVolumeInformation32A(szTemp,szDrive,MAX_PATH,&dwVolumeSerialNumber,&dwMaximumComponetLength,&dwFileSystemFlags,NULL,0);
 641               if (szTemp[2]=='\\')
 642               { szTemp[2]=0x00;
 643               }
 644               strcat (szDrive," (");
 645               strcat (szDrive,szTemp);
 646               strcat (szDrive,")");
 647             }
 648             else
 649             {  PathAddBackslash32A (szTemp);
 650                strcpy(szDrive,szTemp);
 651             }
 652           }
 653
 654           switch(dwFlags)
 655           { case SHGDN_NORMAL:
 656               _ILGetPidlPath( pidl, szText, MAX_PATH);
 657               break;
 658
 659             case SHGDN_INFOLDER | SHGDN_FORPARSING: /*fall thru*/
 660             case SHGDN_INFOLDER:
 661               pidlTemp = ILFindLastID(pidl);
 662               if (pidlTemp)
 663               { _ILGetItemText( pidlTemp, szText, MAX_PATH);
 664               }
 665               break;
 666
 667             case SHGDN_FORPARSING:
 668               if (bSimplePidl)
 669               { /* if the IShellFolder has parents, get the path from the
 670                 parent and add the ItemName*/
 671                 szText[0]=0x00;
 672                 if (this->sMyPath && strlen (this->sMyPath))
 673                 { if (strcmp(this->sMyPath,"My Computer"))
 674                   { strcpy (szText,this->sMyPath);
 675                     PathAddBackslash32A (szText);
 676                   }
 677                 }
 678                 pidlTemp = ILFindLastID(pidl);
 679                 if (pidlTemp)
 680                 { _ILGetItemText( pidlTemp, szTemp, MAX_PATH );
 681                 }
 682                 strcat(szText,szTemp);
 683               }
 684               else
 685               { /* if the pidl is absolute, get everything from the pidl*/
 686                 _ILGetPidlPath( pidl, szText, MAX_PATH);
 687               }
 688               break;
 689             default:
 690               TRACE(shell,"--- wrong flags=%lx\n", dwFlags);
 691               return E_INVALIDARG;
 692           }
 693           if ((szText[0]==0x00 && szDrive[0]!=0x00)|| (bSimplePidl && szDrive[0]!=0x00))
 694           { strcpy(szText,szDrive);
 695           }
 696           if (szText[0]==0x00 && szSpecial[0]!=0x00)
 697           { strcpy(szText,szSpecial);
 698           }
 699         }
 700
 701         TRACE(shell,"-- (%p)->(%s)\n",this,szText);
 702
 703         if(!(lpName))
 704         {  return E_OUTOFMEMORY;
 705         }
 706         lpName->uType = STRRET_CSTRA;
 707         strcpy(lpName->u.cStr,szText);
 708         return S_OK;
 709 }
 710
 711 /**************************************************************************
 712 *  IShellFolder_SetNameOf
 713 *  Changes the name of a file object or subfolder, possibly changing its item
 714 *  identifier in the process.
 715 *
 716 * PARAMETERS
 717 *  HWND          hwndOwner,  //[in ] Owner window for output
 718 *  LPCITEMIDLIST pidl,       //[in ] simple pidl of item to change
 719 *  LPCOLESTR     lpszName,   //[in ] the items new display name
 720 *  DWORD         dwFlags,    //[in ] SHGNO formatting flags
 721 *  LPITEMIDLIST* ppidlOut)   //[out] simple pidl returned
 722 */
 723 static HRESULT WINAPI IShellFolder_SetNameOf(
 724         LPSHELLFOLDER this,
 725                 HWND32 hwndOwner,
 726     LPCITEMIDLIST pidl, /*simple pidl*/
 727     LPCOLESTR32 lpName,
 728     DWORD dw,
 729     LPITEMIDLIST *pPidlOut)
 730 {  FIXME(shell,"(%p)->(%u,pidl=%p,%s,%lu,%p),stub!\n",
 731           this,hwndOwner,pidl,debugstr_w(lpName),dw,pPidlOut);
 732          return E_NOTIMPL;
 733 }
 734 /**************************************************************************
 735 *  IShellFolder_GetFolderPath
 736 *  FIXME: drive not included
 737 */
 738 static BOOL32 WINAPI IShellFolder_GetFolderPath(LPSHELLFOLDER this, LPSTR lpszOut, DWORD dwOutSize)
 739 {       DWORD   dwSize;
 740
 741         TRACE(shell,"(%p)->(%p %lu)\n",this, lpszOut, dwOutSize);
 742         if (!lpszOut)
 743         { return FALSE;
 744         }
 745
 746         *lpszOut=0;
 747
 748         if (! this->sMyPath)
 749           return FALSE;
 750
 751         dwSize = strlen (this->sMyPath) +1;
 752         if ( dwSize > dwOutSize)
 753           return FALSE;
 754         strcpy(lpszOut, this->sMyPath);
 755
 756         TRACE(shell,"-- (%p)->(return=%s)\n",this, lpszOut);
 757         return TRUE;
 758 }