dlls/shell32/shellord.c

   1 /*
   2  * The parameters of many functions changes between different OS versions
   3  * (NT uses Unicode strings, 95 uses ASCII strings)
   4  *
   5  * Copyright 1997 Marcus Meissner
   6  *           1998 Jürgen 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22 #include "config.h"
  23
  24 #include <string.h>
  25 #include <stdarg.h>
  26 #include <stdio.h>
  27
  28 #define COBJMACROS
  29
  30 #include "winerror.h"
  31 #include "windef.h"
  32 #include "winbase.h"
  33 #include "winreg.h"
  34 #include "wine/debug.h"
  35 #include "winnls.h"
  36 #include "winternl.h"
  37
  38 #include "shellapi.h"
  39 #include "objbase.h"
  40 #include "shlguid.h"
  41 #include "wingdi.h"
  42 #include "winuser.h"
  43 #include "shlobj.h"
  44 #include "shell32_main.h"
  45 #include "undocshell.h"
  46 #include "pidl.h"
  47 #include "shlwapi.h"
  48 #include "commdlg.h"
  49 #include "commoncontrols.h"
  50
  51 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  52 WINE_DECLARE_DEBUG_CHANNEL(pidl);
  53
  54 /* FIXME: !!! move CREATEMRULIST and flags to header file !!! */
  55 /*        !!! it is in both here and comctl32undoc.c      !!! */
  56 typedef struct tagCREATEMRULIST
  57 {
  58     DWORD  cbSize;        /* size of struct */
  59     DWORD  nMaxItems;     /* max no. of items in list */
  60     DWORD  dwFlags;       /* see below */
  61     HKEY   hKey;          /* root reg. key under which list is saved */
  62     LPCSTR lpszSubKey;    /* reg. subkey */
  63     PROC   lpfnCompare;   /* item compare proc */
  64 } CREATEMRULISTA, *LPCREATEMRULISTA;
  65
  66 /* dwFlags */
  67 #define MRUF_STRING_LIST  0 /* list will contain strings */
  68 #define MRUF_BINARY_LIST  1 /* list will contain binary data */
  69 #define MRUF_DELAYED_SAVE 2 /* only save list order to reg. is FreeMRUList */
  70
  71 extern HANDLE WINAPI CreateMRUListA(LPCREATEMRULISTA lpcml);
  72 extern DWORD  WINAPI FreeMRUList(HANDLE hMRUList);
  73 extern INT    WINAPI AddMRUData(HANDLE hList, LPCVOID lpData, DWORD cbData);
  74 extern INT    WINAPI FindMRUData(HANDLE hList, LPCVOID lpData, DWORD cbData, LPINT lpRegNum);
  75 extern INT    WINAPI EnumMRUListA(HANDLE hList, INT nItemPos, LPVOID lpBuffer, DWORD nBufferSize);
  76
  77
  78 /* Get a function pointer from a DLL handle */
  79 #define GET_FUNC(func, module, name, fail) \
  80   do { \
  81     if (!func) { \
  82       if (!SHELL32_h##module && !(SHELL32_h##module = LoadLibraryA(#module ".dll"))) return fail; \
  83       func = (void*)GetProcAddress(SHELL32_h##module, name); \
  84       if (!func) return fail; \
  85     } \
  86   } while (0)
  87
  88 /* Function pointers for GET_FUNC macro */
  89 static HMODULE SHELL32_hshlwapi=NULL;
  90 static HANDLE (WINAPI *pSHAllocShared)(LPCVOID,DWORD,DWORD);
  91 static LPVOID (WINAPI *pSHLockShared)(HANDLE,DWORD);
  92 static BOOL   (WINAPI *pSHUnlockShared)(LPVOID);
  93 static BOOL   (WINAPI *pSHFreeShared)(HANDLE,DWORD);
  94
  95
  96 /*************************************************************************
  97  * ParseFieldA                                  [internal]
  98  *
  99  * copies a field from a ',' delimited string
 100  *
 101  * first field is nField = 1
 102  */
 103 DWORD WINAPI ParseFieldA(
 104         LPCSTR src,
 105         DWORD nField,
 106         LPSTR dst,
 107         DWORD len)
 108 {
 109         WARN("(%s,0x%08x,%p,%d) semi-stub.\n",debugstr_a(src),nField,dst,len);
 110
 111         if (!src || !src[0] || !dst || !len)
 112           return 0;
 113
 114         /* skip n fields delimited by ',' */
 115         while (nField > 1)
 116         {
 117           if (*src=='\0') return FALSE;
 118           if (*(src++)==',') nField--;
 119         }
 120
 121         /* copy part till the next ',' to dst */
 122         while ( *src!='\0' && *src!=',' && (len--)>0 ) *(dst++)=*(src++);
 123
 124         /* finalize the string */
 125         *dst=0x0;
 126
 127         return TRUE;
 128 }
 129
 130 /*************************************************************************
 131  * ParseFieldW                  [internal]
 132  *
 133  * copies a field from a ',' delimited string
 134  *
 135  * first field is nField = 1
 136  */
 137 DWORD WINAPI ParseFieldW(LPCWSTR src, DWORD nField, LPWSTR dst, DWORD len)
 138 {
 139         WARN("(%s,0x%08x,%p,%d) semi-stub.\n", debugstr_w(src), nField, dst, len);
 140
 141         if (!src || !src[0] || !dst || !len)
 142           return 0;
 143
 144         /* skip n fields delimited by ',' */
 145         while (nField > 1)
 146         {
 147           if (*src == 0x0) return FALSE;
 148           if (*src++ == ',') nField--;
 149         }
 150
 151         /* copy part till the next ',' to dst */
 152         while ( *src != 0x0 && *src != ',' && (len--)>0 ) *(dst++) = *(src++);
 153
 154         /* finalize the string */
 155         *dst = 0x0;
 156
 157         return TRUE;
 158 }
 159
 160 /*************************************************************************
 161  * ParseField                   [SHELL32.58]
 162  */
 163 DWORD WINAPI ParseFieldAW(LPCVOID src, DWORD nField, LPVOID dst, DWORD len)
 164 {
 165         if (SHELL_OsIsUnicode())
 166           return ParseFieldW(src, nField, dst, len);
 167         return ParseFieldA(src, nField, dst, len);
 168 }
 169
 170 /*************************************************************************
 171  * GetFileNameFromBrowseA                       [internal]
 172  */
 173 static BOOL GetFileNameFromBrowseA(
 174         HWND hwndOwner,
 175         LPSTR lpstrFile,
 176         DWORD nMaxFile,
 177         LPCSTR lpstrInitialDir,
 178         LPCSTR lpstrDefExt,
 179         LPCSTR lpstrFilter,
 180         LPCSTR lpstrTitle)
 181 {
 182     HMODULE hmodule;
 183     BOOL (WINAPI *pGetOpenFileNameA)(LPOPENFILENAMEA);
 184     OPENFILENAMEA ofn;
 185     BOOL ret;
 186
 187     TRACE("%p, %s, %d, %s, %s, %s, %s)\n",
 188           hwndOwner, lpstrFile, nMaxFile, lpstrInitialDir, lpstrDefExt,
 189           lpstrFilter, lpstrTitle);
 190
 191     hmodule = LoadLibraryA("comdlg32.dll");
 192     if(!hmodule) return FALSE;
 193     pGetOpenFileNameA = (void *)GetProcAddress(hmodule, "GetOpenFileNameA");
 194     if(!pGetOpenFileNameA)
 195     {
 196         FreeLibrary(hmodule);
 197         return FALSE;
 198     }
 199
 200     memset(&ofn, 0, sizeof(ofn));
 201
 202     ofn.lStructSize = sizeof(ofn);
 203     ofn.hwndOwner = hwndOwner;
 204     ofn.lpstrFilter = lpstrFilter;
 205     ofn.lpstrFile = lpstrFile;
 206     ofn.nMaxFile = nMaxFile;
 207     ofn.lpstrInitialDir = lpstrInitialDir;
 208     ofn.lpstrTitle = lpstrTitle;
 209     ofn.lpstrDefExt = lpstrDefExt;
 210     ofn.Flags = OFN_EXPLORER | OFN_HIDEREADONLY | OFN_FILEMUSTEXIST;
 211     ret = pGetOpenFileNameA(&ofn);
 212
 213     FreeLibrary(hmodule);
 214     return ret;
 215 }
 216
 217 /*************************************************************************
 218  * GetFileNameFromBrowseW                       [internal]
 219  */
 220 static BOOL GetFileNameFromBrowseW(
 221         HWND hwndOwner,
 222         LPWSTR lpstrFile,
 223         DWORD nMaxFile,
 224         LPCWSTR lpstrInitialDir,
 225         LPCWSTR lpstrDefExt,
 226         LPCWSTR lpstrFilter,
 227         LPCWSTR lpstrTitle)
 228 {
 229     HMODULE hmodule;
 230     BOOL (WINAPI *pGetOpenFileNameW)(LPOPENFILENAMEW);
 231     OPENFILENAMEW ofn;
 232     BOOL ret;
 233
 234     TRACE("%p, %s, %d, %s, %s, %s, %s)\n",
 235           hwndOwner, debugstr_w(lpstrFile), nMaxFile, debugstr_w(lpstrInitialDir), debugstr_w(lpstrDefExt),
 236           debugstr_w(lpstrFilter), debugstr_w(lpstrTitle));
 237
 238     hmodule = LoadLibraryA("comdlg32.dll");
 239     if(!hmodule) return FALSE;
 240     pGetOpenFileNameW = (void *)GetProcAddress(hmodule, "GetOpenFileNameW");
 241     if(!pGetOpenFileNameW)
 242     {
 243         FreeLibrary(hmodule);
 244         return FALSE;
 245     }
 246
 247     memset(&ofn, 0, sizeof(ofn));
 248
 249     ofn.lStructSize = sizeof(ofn);
 250     ofn.hwndOwner = hwndOwner;
 251     ofn.lpstrFilter = lpstrFilter;
 252     ofn.lpstrFile = lpstrFile;
 253     ofn.nMaxFile = nMaxFile;
 254     ofn.lpstrInitialDir = lpstrInitialDir;
 255     ofn.lpstrTitle = lpstrTitle;
 256     ofn.lpstrDefExt = lpstrDefExt;
 257     ofn.Flags = OFN_EXPLORER | OFN_HIDEREADONLY | OFN_FILEMUSTEXIST;
 258     ret = pGetOpenFileNameW(&ofn);
 259
 260     FreeLibrary(hmodule);
 261     return ret;
 262 }
 263
 264 /*************************************************************************
 265  * GetFileNameFromBrowse                        [SHELL32.63]
 266  *
 267  */
 268 BOOL WINAPI GetFileNameFromBrowseAW(
 269         HWND hwndOwner,
 270         LPVOID lpstrFile,
 271         DWORD nMaxFile,
 272         LPCVOID lpstrInitialDir,
 273         LPCVOID lpstrDefExt,
 274         LPCVOID lpstrFilter,
 275         LPCVOID lpstrTitle)
 276 {
 277     if (SHELL_OsIsUnicode())
 278         return GetFileNameFromBrowseW(hwndOwner, lpstrFile, nMaxFile, lpstrInitialDir, lpstrDefExt, lpstrFilter, lpstrTitle);
 279
 280     return GetFileNameFromBrowseA(hwndOwner, lpstrFile, nMaxFile, lpstrInitialDir, lpstrDefExt, lpstrFilter, lpstrTitle);
 281 }
 282
 283 /*************************************************************************
 284  * SHGetSetSettings                             [SHELL32.68]
 285  */
 286 VOID WINAPI SHGetSetSettings(LPSHELLSTATE lpss, DWORD dwMask, BOOL bSet)
 287 {
 288   if(bSet)
 289   {
 290     FIXME("%p 0x%08x TRUE\n", lpss, dwMask);
 291   }
 292   else
 293   {
 294     SHGetSettings((LPSHELLFLAGSTATE)lpss,dwMask);
 295   }
 296 }
 297
 298 /*************************************************************************
 299  * SHGetSettings                                [SHELL32.@]
 300  *
 301  * NOTES
 302  *  the registry path are for win98 (tested)
 303  *  and possibly are the same in nt40
 304  *
 305  */
 306 VOID WINAPI SHGetSettings(LPSHELLFLAGSTATE lpsfs, DWORD dwMask)
 307 {
 308         HKEY    hKey;
 309         DWORD   dwData;
 310         DWORD   dwDataSize = sizeof (DWORD);
 311
 312         TRACE("(%p 0x%08x)\n",lpsfs,dwMask);
 313
 314         if (RegCreateKeyExA(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Advanced",
 315                                  0, 0, 0, KEY_ALL_ACCESS, 0, &hKey, 0))
 316           return;
 317
 318         if ( (SSF_SHOWEXTENSIONS & dwMask) && !RegQueryValueExA(hKey, "HideFileExt", 0, 0, (LPBYTE)&dwData, &dwDataSize))
 319           lpsfs->fShowExtensions  = ((dwData == 0) ?  0 : 1);
 320
 321         if ( (SSF_SHOWINFOTIP & dwMask) && !RegQueryValueExA(hKey, "ShowInfoTip", 0, 0, (LPBYTE)&dwData, &dwDataSize))
 322           lpsfs->fShowInfoTip  = ((dwData == 0) ?  0 : 1);
 323
 324         if ( (SSF_DONTPRETTYPATH & dwMask) && !RegQueryValueExA(hKey, "DontPrettyPath", 0, 0, (LPBYTE)&dwData, &dwDataSize))
 325           lpsfs->fDontPrettyPath  = ((dwData == 0) ?  0 : 1);
 326
 327         if ( (SSF_HIDEICONS & dwMask) && !RegQueryValueExA(hKey, "HideIcons", 0, 0, (LPBYTE)&dwData, &dwDataSize))
 328           lpsfs->fHideIcons  = ((dwData == 0) ?  0 : 1);
 329
 330         if ( (SSF_MAPNETDRVBUTTON & dwMask) && !RegQueryValueExA(hKey, "MapNetDrvBtn", 0, 0, (LPBYTE)&dwData, &dwDataSize))
 331           lpsfs->fMapNetDrvBtn  = ((dwData == 0) ?  0 : 1);
 332
 333         if ( (SSF_SHOWATTRIBCOL & dwMask) && !RegQueryValueExA(hKey, "ShowAttribCol", 0, 0, (LPBYTE)&dwData, &dwDataSize))
 334           lpsfs->fShowAttribCol  = ((dwData == 0) ?  0 : 1);
 335
 336         if (((SSF_SHOWALLOBJECTS | SSF_SHOWSYSFILES) & dwMask) && !RegQueryValueExA(hKey, "Hidden", 0, 0, (LPBYTE)&dwData, &dwDataSize))
 337         { if (dwData == 0)
 338           { if (SSF_SHOWALLOBJECTS & dwMask)    lpsfs->fShowAllObjects  = 0;
 339             if (SSF_SHOWSYSFILES & dwMask)      lpsfs->fShowSysFiles  = 0;
 340           }
 341           else if (dwData == 1)
 342           { if (SSF_SHOWALLOBJECTS & dwMask)    lpsfs->fShowAllObjects  = 1;
 343             if (SSF_SHOWSYSFILES & dwMask)      lpsfs->fShowSysFiles  = 0;
 344           }
 345           else if (dwData == 2)
 346           { if (SSF_SHOWALLOBJECTS & dwMask)    lpsfs->fShowAllObjects  = 0;
 347             if (SSF_SHOWSYSFILES & dwMask)      lpsfs->fShowSysFiles  = 1;
 348           }
 349         }
 350         RegCloseKey (hKey);
 351
 352         TRACE("-- 0x%04x\n", *(WORD*)lpsfs);
 353 }
 354
 355 /*************************************************************************
 356  * SHShellFolderView_Message                    [SHELL32.73]
 357  *
 358  * Send a message to an explorer cabinet window.
 359  *
 360  * PARAMS
 361  *  hwndCabinet [I] The window containing the shellview to communicate with
 362  *  dwMessage   [I] The SFVM message to send
 363  *  dwParam     [I] Message parameter
 364  *
 365  * RETURNS
 366  *  fixme.
 367  *
 368  * NOTES
 369  *  Message SFVM_REARRANGE = 1
 370  *
 371  *    This message gets sent when a column gets clicked to instruct the
 372  *    shell view to re-sort the item list. dwParam identifies the column
 373  *    that was clicked.
 374  */
 375 LRESULT WINAPI SHShellFolderView_Message(
 376         HWND hwndCabinet,
 377         UINT uMessage,
 378         LPARAM lParam)
 379 {
 380         FIXME("%p %08x %08lx stub\n",hwndCabinet, uMessage, lParam);
 381         return 0;
 382 }
 383
 384 /*************************************************************************
 385  * RegisterShellHook                            [SHELL32.181]
 386  *
 387  * Register a shell hook.
 388  *
 389  * PARAMS
 390  *      hwnd   [I]  Window handle
 391  *      dwType [I]  Type of hook.
 392  *
 393  * NOTES
 394  *     Exported by ordinal
 395  */
 396 BOOL WINAPI RegisterShellHook(
 397         HWND hWnd,
 398         DWORD dwType)
 399 {
 400         FIXME("(%p,0x%08x):stub.\n",hWnd, dwType);
 401         return TRUE;
 402 }
 403
 404 /*************************************************************************
 405  * ShellMessageBoxW                             [SHELL32.182]
 406  *
 407  * See ShellMessageBoxA.
 408  *
 409  * NOTE:
 410  * shlwapi.ShellMessageBoxWrapW is a duplicate of shell32.ShellMessageBoxW
 411  * because we can't forward to it in the .spec file since it's exported by
 412  * ordinal. If you change the implementation here please update the code in
 413  * shlwapi as well.
 414  */
 415 int WINAPIV ShellMessageBoxW(
 416         HINSTANCE hInstance,
 417         HWND hWnd,
 418         LPCWSTR lpText,
 419         LPCWSTR lpCaption,
 420         UINT uType,
 421         ...)
 422 {
 423         WCHAR   szText[100],szTitle[100];
 424         LPCWSTR pszText = szText, pszTitle = szTitle;
 425         LPWSTR  pszTemp;
 426         __ms_va_list args;
 427         int     ret;
 428
 429         __ms_va_start(args, uType);
 430         /* wvsprintfA(buf,fmt, args); */
 431
 432         TRACE("(%p,%p,%p,%p,%08x)\n",
 433             hInstance,hWnd,lpText,lpCaption,uType);
 434
 435         if (IS_INTRESOURCE(lpCaption))
 436           LoadStringW(hInstance, LOWORD(lpCaption), szTitle, sizeof(szTitle)/sizeof(szTitle[0]));
 437         else
 438           pszTitle = lpCaption;
 439
 440         if (IS_INTRESOURCE(lpText))
 441           LoadStringW(hInstance, LOWORD(lpText), szText, sizeof(szText)/sizeof(szText[0]));
 442         else
 443           pszText = lpText;
 444
 445         FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_STRING,
 446                        pszText, 0, 0, (LPWSTR)&pszTemp, 0, &args);
 447
 448         __ms_va_end(args);
 449
 450         ret = MessageBoxW(hWnd,pszTemp,pszTitle,uType);
 451         LocalFree(pszTemp);
 452         return ret;
 453 }
 454
 455 /*************************************************************************
 456  * ShellMessageBoxA                             [SHELL32.183]
 457  *
 458  * Format and output an error message.
 459  *
 460  * PARAMS
 461  *  hInstance [I] Instance handle of message creator
 462  *  hWnd      [I] Window handle of message creator
 463  *  lpText    [I] Resource Id of title or LPSTR
 464  *  lpCaption [I] Resource Id of title or LPSTR
 465  *  uType     [I] Type of error message
 466  *
 467  * RETURNS
 468  *  A return value from MessageBoxA().
 469  *
 470  * NOTES
 471  *     Exported by ordinal
 472  */
 473 int WINAPIV ShellMessageBoxA(
 474         HINSTANCE hInstance,
 475         HWND hWnd,
 476         LPCSTR lpText,
 477         LPCSTR lpCaption,
 478         UINT uType,
 479         ...)
 480 {
 481         char    szText[100],szTitle[100];
 482         LPCSTR  pszText = szText, pszTitle = szTitle;
 483         LPSTR   pszTemp;
 484         __ms_va_list args;
 485         int     ret;
 486
 487         __ms_va_start(args, uType);
 488         /* wvsprintfA(buf,fmt, args); */
 489
 490         TRACE("(%p,%p,%p,%p,%08x)\n",
 491             hInstance,hWnd,lpText,lpCaption,uType);
 492
 493         if (IS_INTRESOURCE(lpCaption))
 494           LoadStringA(hInstance, LOWORD(lpCaption), szTitle, sizeof(szTitle));
 495         else
 496           pszTitle = lpCaption;
 497
 498         if (IS_INTRESOURCE(lpText))
 499           LoadStringA(hInstance, LOWORD(lpText), szText, sizeof(szText));
 500         else
 501           pszText = lpText;
 502
 503         FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_STRING,
 504                        pszText, 0, 0, (LPSTR)&pszTemp, 0, &args);
 505
 506         __ms_va_end(args);
 507
 508         ret = MessageBoxA(hWnd,pszTemp,pszTitle,uType);
 509         LocalFree(pszTemp);
 510         return ret;
 511 }
 512
 513 /*************************************************************************
 514  * SHRegisterDragDrop                           [SHELL32.86]
 515  *
 516  * Probably equivalent to RegisterDragDrop but under Windows 95 it could use the
 517  * shell32 built-in "mini-COM" without the need to load ole32.dll - see SHLoadOLE
 518  * for details. Under Windows 98 this function initializes the true OLE when called
 519  * the first time, on XP always returns E_OUTOFMEMORY and it got removed from Vista.
 520  *
 521  * We follow Windows 98 behaviour.
 522  *
 523  * NOTES
 524  *     exported by ordinal
 525  *
 526  * SEE ALSO
 527  *     RegisterDragDrop, SHLoadOLE
 528  */
 529 HRESULT WINAPI SHRegisterDragDrop(
 530         HWND hWnd,
 531         LPDROPTARGET pDropTarget)
 532 {
 533         static BOOL ole_initialized = FALSE;
 534         HRESULT hr;
 535
 536         TRACE("(%p,%p)\n", hWnd, pDropTarget);
 537
 538         if (!ole_initialized)
 539         {
 540             hr = OleInitialize(NULL);
 541             if (FAILED(hr))
 542                 return hr;
 543             ole_initialized = TRUE;
 544         }
 545         return RegisterDragDrop(hWnd, pDropTarget);
 546 }
 547
 548 /*************************************************************************
 549  * SHRevokeDragDrop                             [SHELL32.87]
 550  *
 551  * Probably equivalent to RevokeDragDrop but under Windows 95 it could use the
 552  * shell32 built-in "mini-COM" without the need to load ole32.dll - see SHLoadOLE
 553  * for details. Function removed from Windows Vista.
 554  *
 555  * We call ole32 RevokeDragDrop which seems to work even if OleInitialize was
 556  * not called.
 557  *
 558  * NOTES
 559  *     exported by ordinal
 560  *
 561  * SEE ALSO
 562  *     RevokeDragDrop, SHLoadOLE
 563  */
 564 HRESULT WINAPI SHRevokeDragDrop(HWND hWnd)
 565 {
 566     TRACE("(%p)\n", hWnd);
 567     return RevokeDragDrop(hWnd);
 568 }
 569
 570 /*************************************************************************
 571  * SHDoDragDrop                                 [SHELL32.88]
 572  *
 573  * Probably equivalent to DoDragDrop but under Windows 9x it could use the
 574  * shell32 built-in "mini-COM" without the need to load ole32.dll - see SHLoadOLE
 575  * for details
 576  *
 577  * NOTES
 578  *     exported by ordinal
 579  *
 580  * SEE ALSO
 581  *     DoDragDrop, SHLoadOLE
 582  */
 583 HRESULT WINAPI SHDoDragDrop(
 584         HWND hWnd,
 585         LPDATAOBJECT lpDataObject,
 586         LPDROPSOURCE lpDropSource,
 587         DWORD dwOKEffect,
 588         LPDWORD pdwEffect)
 589 {
 590     FIXME("(%p %p %p 0x%08x %p):stub.\n",
 591     hWnd, lpDataObject, lpDropSource, dwOKEffect, pdwEffect);
 592         return DoDragDrop(lpDataObject, lpDropSource, dwOKEffect, pdwEffect);
 593 }
 594
 595 /*************************************************************************
 596  * ArrangeWindows                               [SHELL32.184]
 597  *
 598  */
 599 WORD WINAPI ArrangeWindows(
 600         HWND hwndParent,
 601         DWORD dwReserved,
 602         LPCRECT lpRect,
 603         WORD cKids,
 604         CONST HWND * lpKids)
 605 {
 606     FIXME("(%p 0x%08x %p 0x%04x %p):stub.\n",
 607            hwndParent, dwReserved, lpRect, cKids, lpKids);
 608     return 0;
 609 }
 610
 611 /*************************************************************************
 612  * SignalFileOpen                               [SHELL32.103]
 613  *
 614  * NOTES
 615  *     exported by ordinal
 616  */
 617 BOOL WINAPI
 618 SignalFileOpen (PCIDLIST_ABSOLUTE pidl)
 619 {
 620     FIXME("(%p):stub.\n", pidl);
 621
 622     return FALSE;
 623 }
 624
 625 /*************************************************************************
 626  * SHADD_get_policy - helper function for SHAddToRecentDocs
 627  *
 628  * PARAMETERS
 629  *   policy    [IN]  policy name (null termed string) to find
 630  *   type      [OUT] ptr to DWORD to receive type
 631  *   buffer    [OUT] ptr to area to hold data retrieved
 632  *   len       [IN/OUT] ptr to DWORD holding size of buffer and getting
 633  *                      length filled
 634  *
 635  * RETURNS
 636  *   result of the SHQueryValueEx call
 637  */
 638 static INT SHADD_get_policy(LPCSTR policy, LPDWORD type, LPVOID buffer, LPDWORD len)
 639 {
 640     HKEY Policy_basekey;
 641     INT ret;
 642
 643     /* Get the key for the policies location in the registry
 644      */
 645     if (RegOpenKeyExA(HKEY_LOCAL_MACHINE,
 646                       "Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer",
 647                       0, KEY_READ, &Policy_basekey)) {
 648
 649         if (RegOpenKeyExA(HKEY_CURRENT_USER,
 650                           "Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer",
 651                           0, KEY_READ, &Policy_basekey)) {
 652             TRACE("No Explorer Policies location exists. Policy wanted=%s\n",
 653                   policy);
 654             *len = 0;
 655             return ERROR_FILE_NOT_FOUND;
 656         }
 657     }
 658
 659     /* Retrieve the data if it exists
 660      */
 661     ret = SHQueryValueExA(Policy_basekey, policy, 0, type, buffer, len);
 662     RegCloseKey(Policy_basekey);
 663     return ret;
 664 }
 665
 666
 667 /*************************************************************************
 668  * SHADD_compare_mru - helper function for SHAddToRecentDocs
 669  *
 670  * PARAMETERS
 671  *   data1     [IN] data being looked for
 672  *   data2     [IN] data in MRU
 673  *   cbdata    [IN] length from FindMRUData call (not used)
 674  *
 675  * RETURNS
 676  *   position within MRU list that data was added.
 677  */
 678 static INT CALLBACK SHADD_compare_mru(LPCVOID data1, LPCVOID data2, DWORD cbData)
 679 {
 680     return lstrcmpiA(data1, data2);
 681 }
 682
 683 /*************************************************************************
 684  * SHADD_create_add_mru_data - helper function for SHAddToRecentDocs
 685  *
 686  * PARAMETERS
 687  *   mruhandle    [IN] handle for created MRU list
 688  *   doc_name     [IN] null termed pure doc name
 689  *   new_lnk_name [IN] null termed path and file name for .lnk file
 690  *   buffer       [IN/OUT] 2048 byte area to construct MRU data
 691  *   len          [OUT] ptr to int to receive space used in buffer
 692  *
 693  * RETURNS
 694  *   position within MRU list that data was added.
 695  */
 696 static INT SHADD_create_add_mru_data(HANDLE mruhandle, LPCSTR doc_name, LPCSTR new_lnk_name,
 697                                      LPSTR buffer, INT *len)
 698 {
 699     LPSTR ptr;
 700     INT wlen;
 701
 702     /*FIXME: Document:
 703      *  RecentDocs MRU data structure seems to be:
 704      *    +0h   document file name w/ terminating 0h
 705      *    +nh   short int w/ size of remaining
 706      *    +n+2h 02h 30h, or 01h 30h, or 00h 30h  -  unknown
 707      *    +n+4h 10 bytes zeros  -   unknown
 708      *    +n+eh shortcut file name w/ terminating 0h
 709      *    +n+e+nh 3 zero bytes  -  unknown
 710      */
 711
 712     /* Create the MRU data structure for "RecentDocs"
 713          */
 714     ptr = buffer;
 715     lstrcpyA(ptr, doc_name);
 716     ptr += (lstrlenA(buffer) + 1);
 717     wlen= lstrlenA(new_lnk_name) + 1 + 12;
 718     *((short int*)ptr) = wlen;
 719     ptr += 2;   /* step past the length */
 720     *(ptr++) = 0x30;  /* unknown reason */
 721     *(ptr++) = 0;     /* unknown, but can be 0x00, 0x01, 0x02 */
 722     memset(ptr, 0, 10);
 723     ptr += 10;
 724     lstrcpyA(ptr, new_lnk_name);
 725     ptr += (lstrlenA(new_lnk_name) + 1);
 726     memset(ptr, 0, 3);
 727     ptr += 3;
 728     *len = ptr - buffer;
 729
 730     /* Add the new entry into the MRU list
 731      */
 732     return AddMRUData(mruhandle, buffer, *len);
 733 }
 734
 735 /*************************************************************************
 736  * SHAddToRecentDocs                            [SHELL32.@]
 737  *
 738  * Modify (add/clear) Shell's list of recently used documents.
 739  *
 740  * PARAMETERS
 741  *   uFlags  [IN] SHARD_PATHA, SHARD_PATHW or SHARD_PIDL
 742  *   pv      [IN] string or pidl, NULL clears the list
 743  *
 744  * NOTES
 745  *     exported by name
 746  *
 747  * FIXME
 748  *  convert to unicode
 749  */
 750 void WINAPI SHAddToRecentDocs (UINT uFlags,LPCVOID pv)
 751 {
 752 /* If list is a string list lpfnCompare has the following prototype
 753  * int CALLBACK MRUCompareString(LPCSTR s1, LPCSTR s2)
 754  * for binary lists the prototype is
 755  * int CALLBACK MRUCompareBinary(LPCVOID data1, LPCVOID data2, DWORD cbData)
 756  * where cbData is the no. of bytes to compare.
 757  * Need to check what return value means identical - 0?
 758  */
 759
 760
 761     UINT olderrormode;
 762     HKEY HCUbasekey;
 763     CHAR doc_name[MAX_PATH];
 764     CHAR link_dir[MAX_PATH];
 765     CHAR new_lnk_filepath[MAX_PATH];
 766     CHAR new_lnk_name[MAX_PATH];
 767     IMalloc *ppM;
 768     LPITEMIDLIST pidl;
 769     HWND hwnd = 0;       /* FIXME:  get real window handle */
 770     INT ret;
 771     DWORD data[64], datalen, type;
 772
 773     TRACE("%04x %p\n", uFlags, pv);
 774
 775     /*FIXME: Document:
 776      *  RecentDocs MRU data structure seems to be:
 777      *    +0h   document file name w/ terminating 0h
 778      *    +nh   short int w/ size of remaining
 779      *    +n+2h 02h 30h, or 01h 30h, or 00h 30h  -  unknown
 780      *    +n+4h 10 bytes zeros  -   unknown
 781      *    +n+eh shortcut file name w/ terminating 0h
 782      *    +n+e+nh 3 zero bytes  -  unknown
 783      */
 784
 785     /* See if we need to do anything.
 786      */
 787     datalen = 64;
 788     ret=SHADD_get_policy( "NoRecentDocsHistory", &type, data, &datalen);
 789     if ((ret > 0) && (ret != ERROR_FILE_NOT_FOUND)) {
 790         ERR("Error %d getting policy \"NoRecentDocsHistory\"\n", ret);
 791         return;
 792     }
 793     if (ret == ERROR_SUCCESS) {
 794         if (!( (type == REG_DWORD) ||
 795                ((type == REG_BINARY) && (datalen == 4)) )) {
 796             ERR("Error policy data for \"NoRecentDocsHistory\" not formatted correctly, type=%d, len=%d\n",
 797                 type, datalen);
 798             return;
 799         }
 800
 801         TRACE("policy value for NoRecentDocsHistory = %08x\n", data[0]);
 802         /* now test the actual policy value */
 803         if ( data[0] != 0)
 804             return;
 805     }
 806
 807     /* Open key to where the necessary info is
 808      */
 809     /* FIXME: This should be done during DLL PROCESS_ATTACH (or THREAD_ATTACH)
 810      *        and the close should be done during the _DETACH. The resulting
 811      *        key is stored in the DLL global data.
 812      */
 813     if (RegCreateKeyExA(HKEY_CURRENT_USER,
 814                         "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer",
 815                         0, 0, 0, KEY_READ, 0, &HCUbasekey, 0)) {
 816         ERR("Failed to create 'Software\\Microsoft\\Windows\\CurrentVersion\\Explorer'\n");
 817         return;
 818     }
 819
 820     /* Get path to user's "Recent" directory
 821      */
 822     if(SUCCEEDED(SHGetMalloc(&ppM))) {
 823         if (SUCCEEDED(SHGetSpecialFolderLocation(hwnd, CSIDL_RECENT,
 824                                                  &pidl))) {
 825             SHGetPathFromIDListA(pidl, link_dir);
 826             IMalloc_Free(ppM, pidl);
 827         }
 828         else {
 829             /* serious issues */
 830             link_dir[0] = 0;
 831             ERR("serious issues 1\n");
 832         }
 833         IMalloc_Release(ppM);
 834     }
 835     else {
 836         /* serious issues */
 837         link_dir[0] = 0;
 838         ERR("serious issues 2\n");
 839     }
 840     TRACE("Users Recent dir %s\n", link_dir);
 841
 842     /* If no input, then go clear the lists */
 843     if (!pv) {
 844         /* clear user's Recent dir
 845          */
 846
 847         /* FIXME: delete all files in "link_dir"
 848          *
 849          * while( more files ) {
 850          *    lstrcpyA(old_lnk_name, link_dir);
 851          *    PathAppendA(old_lnk_name, filenam);
 852          *    DeleteFileA(old_lnk_name);
 853          * }
 854          */
 855         FIXME("should delete all files in %s\\\n", link_dir);
 856
 857         /* clear MRU list
 858          */
 859         /* MS Bug ?? v4.72.3612.1700 of shell32 does the delete against
 860          *  HKEY_LOCAL_MACHINE version of ...CurrentVersion\Explorer
 861          *  and naturally it fails w/ rc=2. It should do it against
 862          *  HKEY_CURRENT_USER which is where it is stored, and where
 863          *  the MRU routines expect it!!!!
 864          */
 865         RegDeleteKeyA(HCUbasekey, "RecentDocs");
 866         RegCloseKey(HCUbasekey);
 867         return;
 868     }
 869
 870     /* Have data to add, the jobs to be done:
 871      *   1. Add document to MRU list in registry "HKCU\Software\
 872      *      Microsoft\Windows\CurrentVersion\Explorer\RecentDocs".
 873      *   2. Add shortcut to document in the user's Recent directory
 874      *      (CSIDL_RECENT).
 875      *   3. Add shortcut to Start menu's Documents submenu.
 876      */
 877
 878     /* Get the pure document name from the input
 879      */
 880     switch (uFlags)
 881     {
 882     case SHARD_PIDL:
 883         SHGetPathFromIDListA(pv, doc_name);
 884         break;
 885
 886     case SHARD_PATHA:
 887         lstrcpynA(doc_name, pv, MAX_PATH);
 888         break;
 889
 890     case SHARD_PATHW:
 891         WideCharToMultiByte(CP_ACP, 0, pv, -1, doc_name, MAX_PATH, NULL, NULL);
 892         break;
 893
 894     default:
 895         FIXME("Unsupported flags: %u\n", uFlags);
 896         return;
 897     }
 898
 899     TRACE("full document name %s\n", debugstr_a(doc_name));
 900     PathStripPathA(doc_name);
 901     TRACE("stripped document name %s\n", debugstr_a(doc_name));
 902
 903
 904     /* ***  JOB 1: Update registry for ...\Explorer\RecentDocs list  *** */
 905
 906     {  /* on input needs:
 907         *      doc_name    -  pure file-spec, no path
 908         *      link_dir    -  path to the user's Recent directory
 909         *      HCUbasekey  -  key of ...Windows\CurrentVersion\Explorer" node
 910         * creates:
 911         *      new_lnk_name-  pure file-spec, no path for new .lnk file
 912         *      new_lnk_filepath
 913         *                  -  path and file name of new .lnk file
 914         */
 915         CREATEMRULISTA mymru;
 916         HANDLE mruhandle;
 917         INT len, pos, bufused, err;
 918         INT i;
 919         DWORD attr;
 920         CHAR buffer[2048];
 921         CHAR *ptr;
 922         CHAR old_lnk_name[MAX_PATH];
 923         short int slen;
 924
 925         mymru.cbSize = sizeof(CREATEMRULISTA);
 926         mymru.nMaxItems = 15;
 927         mymru.dwFlags = MRUF_BINARY_LIST | MRUF_DELAYED_SAVE;
 928         mymru.hKey = HCUbasekey;
 929         mymru.lpszSubKey = "RecentDocs";
 930         mymru.lpfnCompare = (PROC)SHADD_compare_mru;
 931         mruhandle = CreateMRUListA(&mymru);
 932         if (!mruhandle) {
 933             /* MRU failed */
 934             ERR("MRU processing failed, handle zero\n");
 935             RegCloseKey(HCUbasekey);
 936             return;
 937         }
 938         len = lstrlenA(doc_name);
 939         pos = FindMRUData(mruhandle, doc_name, len, 0);
 940
 941         /* Now get the MRU entry that will be replaced
 942          * and delete the .lnk file for it
 943          */
 944         if ((bufused = EnumMRUListA(mruhandle, (pos == -1) ? 14 : pos,
 945                                     buffer, 2048)) != -1) {
 946             ptr = buffer;
 947             ptr += (lstrlenA(buffer) + 1);
 948             slen = *((short int*)ptr);
 949             ptr += 2;  /* skip the length area */
 950             if (bufused >= slen + (ptr-buffer)) {
 951                 /* buffer size looks good */
 952                 ptr += 12; /* get to string */
 953                 len = bufused - (ptr-buffer);  /* get length of buf remaining */
 954                 if ((lstrlenA(ptr) > 0) && (lstrlenA(ptr) <= len-1)) {
 955                     /* appears to be good string */
 956                     lstrcpyA(old_lnk_name, link_dir);
 957                     PathAppendA(old_lnk_name, ptr);
 958                     if (!DeleteFileA(old_lnk_name)) {
 959                         if ((attr = GetFileAttributesA(old_lnk_name)) == INVALID_FILE_ATTRIBUTES) {
 960                             if ((err = GetLastError()) != ERROR_FILE_NOT_FOUND) {
 961                                 ERR("Delete for %s failed, err=%d, attr=%08x\n",
 962                                     old_lnk_name, err, attr);
 963                             }
 964                             else {
 965                                 TRACE("old .lnk file %s did not exist\n",
 966                                       old_lnk_name);
 967                             }
 968                         }
 969                         else {
 970                             ERR("Delete for %s failed, attr=%08x\n",
 971                                 old_lnk_name, attr);
 972                         }
 973                     }
 974                     else {
 975                         TRACE("deleted old .lnk file %s\n", old_lnk_name);
 976                     }
 977                 }
 978             }
 979         }
 980
 981         /* Create usable .lnk file name for the "Recent" directory
 982          */
 983         wsprintfA(new_lnk_name, "%s.lnk", doc_name);
 984         lstrcpyA(new_lnk_filepath, link_dir);
 985         PathAppendA(new_lnk_filepath, new_lnk_name);
 986         i = 1;
 987         olderrormode = SetErrorMode(SEM_FAILCRITICALERRORS);
 988         while (GetFileAttributesA(new_lnk_filepath) != INVALID_FILE_ATTRIBUTES) {
 989             i++;
 990             wsprintfA(new_lnk_name, "%s (%u).lnk", doc_name, i);
 991             lstrcpyA(new_lnk_filepath, link_dir);
 992             PathAppendA(new_lnk_filepath, new_lnk_name);
 993         }
 994         SetErrorMode(olderrormode);
 995         TRACE("new shortcut will be %s\n", new_lnk_filepath);
 996
 997         /* Now add the new MRU entry and data
 998          */
 999         pos = SHADD_create_add_mru_data(mruhandle, doc_name, new_lnk_name,
1000                                         buffer, &len);
1001         FreeMRUList(mruhandle);
1002         TRACE("Updated MRU list, new doc is position %d\n", pos);
1003     }
1004
1005     /* ***  JOB 2: Create shortcut in user's "Recent" directory  *** */
1006
1007     {  /* on input needs:
1008         *      doc_name    -  pure file-spec, no path
1009         *      new_lnk_filepath
1010         *                  -  path and file name of new .lnk file
1011         *      uFlags[in]  -  flags on call to SHAddToRecentDocs
1012         *      pv[in]      -  document path/pidl on call to SHAddToRecentDocs
1013         */
1014         IShellLinkA *psl = NULL;
1015         IPersistFile *pPf = NULL;
1016         HRESULT hres;
1017         CHAR desc[MAX_PATH];
1018         WCHAR widelink[MAX_PATH];
1019
1020         CoInitialize(0);
1021
1022         hres = CoCreateInstance( &CLSID_ShellLink,
1023                                  NULL,
1024                                  CLSCTX_INPROC_SERVER,
1025                                  &IID_IShellLinkA,
1026                                  (LPVOID )&psl);
1027         if(SUCCEEDED(hres)) {
1028
1029             hres = IShellLinkA_QueryInterface(psl, &IID_IPersistFile,
1030                                              (LPVOID *)&pPf);
1031             if(FAILED(hres)) {
1032                 /* bombed */
1033                 ERR("failed QueryInterface for IPersistFile %08x\n", hres);
1034                 goto fail;
1035             }
1036
1037             /* Set the document path or pidl */
1038             if (uFlags == SHARD_PIDL) {
1039                 hres = IShellLinkA_SetIDList(psl, pv);
1040             } else {
1041                 hres = IShellLinkA_SetPath(psl, pv);
1042             }
1043             if(FAILED(hres)) {
1044                 /* bombed */
1045                 ERR("failed Set{IDList|Path} %08x\n", hres);
1046                 goto fail;
1047             }
1048
1049             lstrcpyA(desc, "Shortcut to ");
1050             lstrcatA(desc, doc_name);
1051             hres = IShellLinkA_SetDescription(psl, desc);
1052             if(FAILED(hres)) {
1053                 /* bombed */
1054                 ERR("failed SetDescription %08x\n", hres);
1055                 goto fail;
1056             }
1057
1058             MultiByteToWideChar(CP_ACP, 0, new_lnk_filepath, -1,
1059                                 widelink, MAX_PATH);
1060             /* create the short cut */
1061             hres = IPersistFile_Save(pPf, widelink, TRUE);
1062             if(FAILED(hres)) {
1063                 /* bombed */
1064                 ERR("failed IPersistFile::Save %08x\n", hres);
1065                 IPersistFile_Release(pPf);
1066                 IShellLinkA_Release(psl);
1067                 goto fail;
1068             }
1069             hres = IPersistFile_SaveCompleted(pPf, widelink);
1070             IPersistFile_Release(pPf);
1071             IShellLinkA_Release(psl);
1072             TRACE("shortcut %s has been created, result=%08x\n",
1073                   new_lnk_filepath, hres);
1074         }
1075         else {
1076             ERR("CoCreateInstance failed, hres=%08x\n", hres);
1077         }
1078     }
1079
1080  fail:
1081     CoUninitialize();
1082
1083     /* all done */
1084     RegCloseKey(HCUbasekey);
1085     return;
1086 }
1087
1088 /*************************************************************************
1089  * SHCreateShellFolderViewEx                    [SHELL32.174]
1090  *
1091  * Create a new instance of the default Shell folder view object.
1092  *
1093  * RETURNS
1094  *  Success: S_OK
1095  *  Failure: error value
1096  *
1097  * NOTES
1098  *  see IShellFolder::CreateViewObject
1099  */
1100 HRESULT WINAPI SHCreateShellFolderViewEx(
1101         LPCSFV psvcbi,    /* [in] shelltemplate struct */
1102         IShellView **ppv) /* [out] IShellView pointer */
1103 {
1104         IShellView * psf;
1105         HRESULT hRes;
1106
1107         TRACE("sf=%p pidl=%p cb=%p mode=0x%08x parm=%p\n",
1108           psvcbi->pshf, psvcbi->pidl, psvcbi->pfnCallback,
1109           psvcbi->fvm, psvcbi->psvOuter);
1110
1111         psf = IShellView_Constructor(psvcbi->pshf);
1112
1113         if (!psf)
1114           return E_OUTOFMEMORY;
1115
1116         IShellView_AddRef(psf);
1117         hRes = IShellView_QueryInterface(psf, &IID_IShellView, (LPVOID *)ppv);
1118         IShellView_Release(psf);
1119
1120         return hRes;
1121 }
1122 /*************************************************************************
1123  *  SHWinHelp                                   [SHELL32.127]
1124  *
1125  */
1126 HRESULT WINAPI SHWinHelp (DWORD v, DWORD w, DWORD x, DWORD z)
1127 {       FIXME("0x%08x 0x%08x 0x%08x 0x%08x stub\n",v,w,x,z);
1128         return 0;
1129 }
1130 /*************************************************************************
1131  *  SHRunControlPanel [SHELL32.161]
1132  *
1133  */
1134 BOOL WINAPI SHRunControlPanel (LPCWSTR commandLine, HWND parent)
1135 {
1136         FIXME("(%s, %p): stub\n", debugstr_w(commandLine), parent);
1137         return FALSE;
1138 }
1139
1140 static LPUNKNOWN SHELL32_IExplorerInterface=0;
1141 /*************************************************************************
1142  * SHSetInstanceExplorer                        [SHELL32.176]
1143  *
1144  * NOTES
1145  *  Sets the interface
1146  */
1147 VOID WINAPI SHSetInstanceExplorer (LPUNKNOWN lpUnknown)
1148 {       TRACE("%p\n", lpUnknown);
1149         SHELL32_IExplorerInterface = lpUnknown;
1150 }
1151 /*************************************************************************
1152  * SHGetInstanceExplorer                        [SHELL32.@]
1153  *
1154  * NOTES
1155  *  gets the interface pointer of the explorer and a reference
1156  */
1157 HRESULT WINAPI SHGetInstanceExplorer (IUnknown **lpUnknown)
1158 {       TRACE("%p\n", lpUnknown);
1159
1160         *lpUnknown = SHELL32_IExplorerInterface;
1161
1162         if (!SHELL32_IExplorerInterface)
1163           return E_FAIL;
1164
1165         IUnknown_AddRef(SHELL32_IExplorerInterface);
1166         return S_OK;
1167 }
1168 /*************************************************************************
1169  * SHFreeUnusedLibraries                        [SHELL32.123]
1170  *
1171  * Probably equivalent to CoFreeUnusedLibraries but under Windows 9x it could use
1172  * the shell32 built-in "mini-COM" without the need to load ole32.dll - see SHLoadOLE
1173  * for details
1174  *
1175  * NOTES
1176  *     exported by ordinal
1177  *
1178  * SEE ALSO
1179  *     CoFreeUnusedLibraries, SHLoadOLE
1180  */
1181 void WINAPI SHFreeUnusedLibraries (void)
1182 {
1183         FIXME("stub\n");
1184         CoFreeUnusedLibraries();
1185 }
1186 /*************************************************************************
1187  * DAD_AutoScroll                               [SHELL32.129]
1188  *
1189  */
1190 BOOL WINAPI DAD_AutoScroll(HWND hwnd, AUTO_SCROLL_DATA *samples, LPPOINT pt)
1191 {
1192     FIXME("hwnd = %p %p %p\n",hwnd,samples,pt);
1193     return 0;
1194 }
1195 /*************************************************************************
1196  * DAD_DragEnter                                [SHELL32.130]
1197  *
1198  */
1199 BOOL WINAPI DAD_DragEnter(HWND hwnd)
1200 {
1201     FIXME("hwnd = %p\n",hwnd);
1202     return FALSE;
1203 }
1204 /*************************************************************************
1205  * DAD_DragEnterEx                              [SHELL32.131]
1206  *
1207  */
1208 BOOL WINAPI DAD_DragEnterEx(HWND hwnd, POINT p)
1209 {
1210     FIXME("hwnd = %p (%d,%d)\n",hwnd,p.x,p.y);
1211     return FALSE;
1212 }
1213 /*************************************************************************
1214  * DAD_DragMove                         [SHELL32.134]
1215  *
1216  */
1217 BOOL WINAPI DAD_DragMove(POINT p)
1218 {
1219     FIXME("(%d,%d)\n",p.x,p.y);
1220     return FALSE;
1221 }
1222 /*************************************************************************
1223  * DAD_DragLeave                                [SHELL32.132]
1224  *
1225  */
1226 BOOL WINAPI DAD_DragLeave(VOID)
1227 {
1228     FIXME("\n");
1229     return FALSE;
1230 }
1231 /*************************************************************************
1232  * DAD_SetDragImage                             [SHELL32.136]
1233  *
1234  * NOTES
1235  *  exported by name
1236  */
1237 BOOL WINAPI DAD_SetDragImage(
1238         HIMAGELIST himlTrack,
1239         LPPOINT lppt)
1240 {
1241         FIXME("%p %p stub\n",himlTrack, lppt);
1242   return 0;
1243 }
1244 /*************************************************************************
1245  * DAD_ShowDragImage                            [SHELL32.137]
1246  *
1247  * NOTES
1248  *  exported by name
1249  */
1250 BOOL WINAPI DAD_ShowDragImage(BOOL bShow)
1251 {
1252         FIXME("0x%08x stub\n",bShow);
1253         return 0;
1254 }
1255
1256 static const WCHAR szwCabLocation[] = {
1257   'S','o','f','t','w','a','r','e','\\',
1258   'M','i','c','r','o','s','o','f','t','\\',
1259   'W','i','n','d','o','w','s','\\',
1260   'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
1261   'E','x','p','l','o','r','e','r','\\',
1262   'C','a','b','i','n','e','t','S','t','a','t','e',0
1263 };
1264
1265 static const WCHAR szwSettings[] = { 'S','e','t','t','i','n','g','s',0 };
1266
1267 /*************************************************************************
1268  * ReadCabinetState                             [SHELL32.651] NT 4.0
1269  *
1270  */
1271 BOOL WINAPI ReadCabinetState(CABINETSTATE *cs, int length)
1272 {
1273         HKEY hkey = 0;
1274         DWORD type, r;
1275
1276         TRACE("%p %d\n", cs, length);
1277
1278         if( (cs == NULL) || (length < (int)sizeof(*cs))  )
1279                 return FALSE;
1280
1281         r = RegOpenKeyW( HKEY_CURRENT_USER, szwCabLocation, &hkey );
1282         if( r == ERROR_SUCCESS )
1283         {
1284                 type = REG_BINARY;
1285                 r = RegQueryValueExW( hkey, szwSettings,
1286                         NULL, &type, (LPBYTE)cs, (LPDWORD)&length );
1287                 RegCloseKey( hkey );
1288
1289         }
1290
1291         /* if we can't read from the registry, create default values */
1292         if ( (r != ERROR_SUCCESS) || (cs->cLength < sizeof(*cs)) ||
1293                 (cs->cLength != length) )
1294         {
1295                 ERR("Initializing shell cabinet settings\n");
1296                 memset(cs, 0, sizeof(*cs));
1297                 cs->cLength          = sizeof(*cs);
1298                 cs->nVersion         = 2;
1299                 cs->fFullPathTitle   = FALSE;
1300                 cs->fSaveLocalView   = TRUE;
1301                 cs->fNotShell        = FALSE;
1302                 cs->fSimpleDefault   = TRUE;
1303                 cs->fDontShowDescBar = FALSE;
1304                 cs->fNewWindowMode   = FALSE;
1305                 cs->fShowCompColor   = FALSE;
1306                 cs->fDontPrettyNames = FALSE;
1307                 cs->fAdminsCreateCommonGroups = TRUE;
1308                 cs->fMenuEnumFilter  = 96;
1309         }
1310
1311         return TRUE;
1312 }
1313
1314 /*************************************************************************
1315  * WriteCabinetState                            [SHELL32.652] NT 4.0
1316  *
1317  */
1318 BOOL WINAPI WriteCabinetState(CABINETSTATE *cs)
1319 {
1320         DWORD r;
1321         HKEY hkey = 0;
1322
1323         TRACE("%p\n",cs);
1324
1325         if( cs == NULL )
1326                 return FALSE;
1327
1328         r = RegCreateKeyExW( HKEY_CURRENT_USER, szwCabLocation, 0,
1329                  NULL, 0, KEY_ALL_ACCESS, NULL, &hkey, NULL);
1330         if( r == ERROR_SUCCESS )
1331         {
1332                 r = RegSetValueExW( hkey, szwSettings, 0,
1333                         REG_BINARY, (LPBYTE) cs, cs->cLength);
1334
1335                 RegCloseKey( hkey );
1336         }
1337
1338         return (r==ERROR_SUCCESS);
1339 }
1340
1341 /*************************************************************************
1342  * FileIconInit                                 [SHELL32.660]
1343  *
1344  */
1345 BOOL WINAPI FileIconInit(BOOL bFullInit)
1346 {       FIXME("(%s)\n", bFullInit ? "true" : "false");
1347         return 0;
1348 }
1349
1350 /*************************************************************************
1351  * IsUserAnAdmin    [SHELL32.680] NT 4.0
1352  *
1353  * Checks whether the current user is a member of the Administrators group.
1354  *
1355  * PARAMS
1356  *     None
1357  *
1358  * RETURNS
1359  *     Success: TRUE
1360  *     Failure: FALSE
1361  */
1362 BOOL WINAPI IsUserAnAdmin(VOID)
1363 {
1364     SID_IDENTIFIER_AUTHORITY Authority = {SECURITY_NT_AUTHORITY};
1365     HANDLE hToken;
1366     DWORD dwSize;
1367     PTOKEN_GROUPS lpGroups;
1368     PSID lpSid;
1369     DWORD i;
1370     BOOL bResult = FALSE;
1371
1372     TRACE("\n");
1373     if (!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken))
1374     {
1375         return FALSE;
1376     }
1377
1378     if (!GetTokenInformation(hToken, TokenGroups, NULL, 0, &dwSize))
1379     {
1380         if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
1381         {
1382             CloseHandle(hToken);
1383             return FALSE;
1384         }
1385     }
1386
1387     lpGroups = HeapAlloc(GetProcessHeap(), 0, dwSize);
1388     if (lpGroups == NULL)
1389     {
1390         CloseHandle(hToken);
1391         return FALSE;
1392     }
1393
1394     if (!GetTokenInformation(hToken, TokenGroups, lpGroups, dwSize, &dwSize))
1395     {
1396         HeapFree(GetProcessHeap(), 0, lpGroups);
1397         CloseHandle(hToken);
1398         return FALSE;
1399     }
1400
1401     CloseHandle(hToken);
1402     if (!AllocateAndInitializeSid(&Authority, 2, SECURITY_BUILTIN_DOMAIN_RID,
1403                                   DOMAIN_ALIAS_RID_ADMINS, 0, 0, 0, 0, 0, 0,
1404                                   &lpSid))
1405     {
1406         HeapFree(GetProcessHeap(), 0, lpGroups);
1407         return FALSE;
1408     }
1409
1410     for (i = 0; i < lpGroups->GroupCount; i++)
1411     {
1412         if (EqualSid(lpSid, lpGroups->Groups[i].Sid))
1413         {
1414             bResult = TRUE;
1415             break;
1416         }
1417     }
1418
1419     FreeSid(lpSid);
1420     HeapFree(GetProcessHeap(), 0, lpGroups);
1421     return bResult;
1422 }
1423
1424 /*************************************************************************
1425  * SHAllocShared                                [SHELL32.520]
1426  *
1427  * See shlwapi.SHAllocShared
1428  */
1429 HANDLE WINAPI SHAllocShared(LPVOID lpvData, DWORD dwSize, DWORD dwProcId)
1430 {
1431     GET_FUNC(pSHAllocShared, shlwapi, (char*)7, NULL);
1432     return pSHAllocShared(lpvData, dwSize, dwProcId);
1433 }
1434
1435 /*************************************************************************
1436  * SHLockShared                                 [SHELL32.521]
1437  *
1438  * See shlwapi.SHLockShared
1439  */
1440 LPVOID WINAPI SHLockShared(HANDLE hShared, DWORD dwProcId)
1441 {
1442     GET_FUNC(pSHLockShared, shlwapi, (char*)8, NULL);
1443     return pSHLockShared(hShared, dwProcId);
1444 }
1445
1446 /*************************************************************************
1447  * SHUnlockShared                               [SHELL32.522]
1448  *
1449  * See shlwapi.SHUnlockShared
1450  */
1451 BOOL WINAPI SHUnlockShared(LPVOID lpView)
1452 {
1453     GET_FUNC(pSHUnlockShared, shlwapi, (char*)9, FALSE);
1454     return pSHUnlockShared(lpView);
1455 }
1456
1457 /*************************************************************************
1458  * SHFreeShared                                 [SHELL32.523]
1459  *
1460  * See shlwapi.SHFreeShared
1461  */
1462 BOOL WINAPI SHFreeShared(HANDLE hShared, DWORD dwProcId)
1463 {
1464     GET_FUNC(pSHFreeShared, shlwapi, (char*)10, FALSE);
1465     return pSHFreeShared(hShared, dwProcId);
1466 }
1467
1468 /*************************************************************************
1469  * SetAppStartingCursor                         [SHELL32.99]
1470  */
1471 HRESULT WINAPI SetAppStartingCursor(HWND u, DWORD v)
1472 {       FIXME("hwnd=%p 0x%04x stub\n",u,v );
1473         return 0;
1474 }
1475
1476 /*************************************************************************
1477  * SHLoadOLE                                    [SHELL32.151]
1478  *
1479  * To reduce the memory usage of Windows 95, its shell32 contained an
1480  * internal implementation of a part of COM (see e.g. SHGetMalloc, SHCoCreateInstance,
1481  * SHRegisterDragDrop etc.) that allowed to use in-process STA objects without
1482  * the need to load OLE32.DLL. If OLE32.DLL was already loaded, the SH* function
1483  * would just call the Co* functions.
1484  *
1485  * The SHLoadOLE was called when OLE32.DLL was being loaded to transfer all the
1486  * information from the shell32 "mini-COM" to ole32.dll.
1487  *
1488  * See http://blogs.msdn.com/oldnewthing/archive/2004/07/05/173226.aspx for a
1489  * detailed description.
1490  *
1491  * Under wine ole32.dll is always loaded as it is imported by shlwapi.dll which is
1492  * imported by shell32 and no "mini-COM" is used (except for the "LoadWithoutCOM"
1493  * hack in SHCoCreateInstance)
1494  */
1495 HRESULT WINAPI SHLoadOLE(LPARAM lParam)
1496 {       FIXME("0x%08lx stub\n",lParam);
1497         return S_OK;
1498 }
1499 /*************************************************************************
1500  * DriveType                                    [SHELL32.64]
1501  *
1502  */
1503 int WINAPI DriveType(int u)
1504 {       FIXME("0x%04x stub\n",u);
1505         return 0;
1506 }
1507 /*************************************************************************
1508  * InvalidateDriveType                  [SHELL32.65]
1509  *
1510  */
1511 int WINAPI InvalidateDriveType(int u)
1512 {       FIXME("0x%08x stub\n",u);
1513         return 0;
1514 }
1515 /*************************************************************************
1516  * SHAbortInvokeCommand                         [SHELL32.198]
1517  *
1518  */
1519 HRESULT WINAPI SHAbortInvokeCommand(void)
1520 {       FIXME("stub\n");
1521         return 1;
1522 }
1523 /*************************************************************************
1524  * SHOutOfMemoryMessageBox                      [SHELL32.126]
1525  *
1526  */
1527 int WINAPI SHOutOfMemoryMessageBox(
1528         HWND hwndOwner,
1529         LPCSTR lpCaption,
1530         UINT uType)
1531 {
1532         FIXME("%p %s 0x%08x stub\n",hwndOwner, lpCaption, uType);
1533         return 0;
1534 }
1535 /*************************************************************************
1536  * SHFlushClipboard                             [SHELL32.121]
1537  *
1538  */
1539 HRESULT WINAPI SHFlushClipboard(void)
1540 {       FIXME("stub\n");
1541         return 1;
1542 }
1543
1544 /*************************************************************************
1545  * SHWaitForFileToOpen                          [SHELL32.97]
1546  *
1547  */
1548 BOOL WINAPI SHWaitForFileToOpen(
1549         LPCITEMIDLIST pidl,
1550         DWORD dwFlags,
1551         DWORD dwTimeout)
1552 {
1553         FIXME("%p 0x%08x 0x%08x stub\n", pidl, dwFlags, dwTimeout);
1554         return 0;
1555 }
1556
1557 /************************************************************************
1558  *      @                               [SHELL32.654]
1559  *
1560  * NOTES
1561  *  first parameter seems to be a pointer (same as passed to WriteCabinetState)
1562  *  second one could be a size (0x0c). The size is the same as the structure saved to
1563  *  HCU\Software\Microsoft\Windows\CurrentVersion\Explorer\CabinetState
1564  *  I'm (js) guessing: this one is just ReadCabinetState ;-)
1565  */
1566 HRESULT WINAPI shell32_654 (CABINETSTATE *cs, int length)
1567 {
1568         TRACE("%p %d\n",cs,length);
1569         return ReadCabinetState(cs,length);
1570 }
1571
1572 /************************************************************************
1573  *      RLBuildListOfPaths                      [SHELL32.146]
1574  *
1575  * NOTES
1576  *   builds a DPA
1577  */
1578 DWORD WINAPI RLBuildListOfPaths (void)
1579 {       FIXME("stub\n");
1580         return 0;
1581 }
1582 /************************************************************************
1583  *      SHValidateUNC                           [SHELL32.173]
1584  *
1585  */
1586 BOOL WINAPI SHValidateUNC (HWND hwndOwner, PWSTR pszFile, UINT fConnect)
1587 {
1588         FIXME("(%p, %s, 0x%08x): stub\n", hwndOwner, debugstr_w(pszFile), fConnect);
1589         return FALSE;
1590 }
1591
1592 /************************************************************************
1593  *      DoEnvironmentSubstA                     [SHELL32.@]
1594  *
1595  * Replace %KEYWORD% in the str with the value of variable KEYWORD
1596  * from environment. If it is not found the %KEYWORD% is left
1597  * intact. If the buffer is too small, str is not modified.
1598  *
1599  * PARAMS
1600  *  pszString  [I] '\0' terminated string with %keyword%.
1601  *             [O] '\0' terminated string with %keyword% substituted.
1602  *  cchString  [I] size of str.
1603  *
1604  * RETURNS
1605  *     cchString length in the HIWORD;
1606  *     TRUE in LOWORD if subst was successful and FALSE in other case
1607  */
1608 DWORD WINAPI DoEnvironmentSubstA(LPSTR pszString, UINT cchString)
1609 {
1610     LPSTR dst;
1611     BOOL res = FALSE;
1612     FIXME("(%s, %d) stub\n", debugstr_a(pszString), cchString);
1613     if (pszString == NULL) /* Really return 0? */
1614         return 0;
1615     if ((dst = HeapAlloc(GetProcessHeap(), 0, cchString * sizeof(CHAR))))
1616     {
1617         DWORD num = ExpandEnvironmentStringsA(pszString, dst, cchString);
1618         if (num && num < cchString) /* dest buffer is too small */
1619         {
1620             res = TRUE;
1621             memcpy(pszString, dst, num);
1622         }
1623         HeapFree(GetProcessHeap(), 0, dst);
1624     }
1625     return MAKELONG(res,cchString); /* Always cchString? */
1626 }
1627
1628 /************************************************************************
1629  *      DoEnvironmentSubstW                     [SHELL32.@]
1630  *
1631  * See DoEnvironmentSubstA.
1632  */
1633 DWORD WINAPI DoEnvironmentSubstW(LPWSTR pszString, UINT cchString)
1634 {
1635         FIXME("(%s, %d): stub\n", debugstr_w(pszString), cchString);
1636         return MAKELONG(FALSE,cchString);
1637 }
1638
1639 /************************************************************************
1640  *      DoEnvironmentSubst                      [SHELL32.53]
1641  *
1642  * See DoEnvironmentSubstA.
1643  */
1644 DWORD WINAPI DoEnvironmentSubstAW(LPVOID x, UINT y)
1645 {
1646     if (SHELL_OsIsUnicode())
1647         return DoEnvironmentSubstW(x, y);
1648     return DoEnvironmentSubstA(x, y);
1649 }
1650
1651 /*************************************************************************
1652  *      @                             [SHELL32.243]
1653  *
1654  * Win98+ by-ordinal routine.  In Win98 this routine returns zero and
1655  * does nothing else.  Possibly this does something in NT or SHELL32 5.0?
1656  *
1657  */
1658
1659 BOOL WINAPI shell32_243(DWORD a, DWORD b)
1660 {
1661   return FALSE;
1662 }
1663
1664 /*************************************************************************
1665  *      GUIDFromStringW   [SHELL32.704]
1666  */
1667 BOOL WINAPI GUIDFromStringW(LPCWSTR str, LPGUID guid)
1668 {
1669     UNICODE_STRING guid_str;
1670
1671     RtlInitUnicodeString(&guid_str, str);
1672     return !RtlGUIDFromString(&guid_str, guid);
1673 }
1674
1675 /*************************************************************************
1676  *      @       [SHELL32.714]
1677  */
1678 DWORD WINAPI SHELL32_714(LPVOID x)
1679 {
1680         FIXME("(%s)stub\n", debugstr_w(x));
1681         return 0;
1682 }
1683
1684 typedef struct _PSXA
1685 {
1686     UINT uiCount;
1687     UINT uiAllocated;
1688     IShellPropSheetExt *pspsx[1];
1689 } PSXA, *PPSXA;
1690
1691 typedef struct _PSXA_CALL
1692 {
1693     LPFNADDPROPSHEETPAGE lpfnAddReplaceWith;
1694     LPARAM lParam;
1695     BOOL bCalled;
1696     BOOL bMultiple;
1697     UINT uiCount;
1698 } PSXA_CALL, *PPSXA_CALL;
1699
1700 static BOOL CALLBACK PsxaCall(HPROPSHEETPAGE hpage, LPARAM lParam)
1701 {
1702     PPSXA_CALL Call = (PPSXA_CALL)lParam;
1703
1704     if (Call != NULL)
1705     {
1706         if ((Call->bMultiple || !Call->bCalled) &&
1707             Call->lpfnAddReplaceWith(hpage, Call->lParam))
1708         {
1709             Call->bCalled = TRUE;
1710             Call->uiCount++;
1711             return TRUE;
1712         }
1713     }
1714
1715     return FALSE;
1716 }
1717
1718 /*************************************************************************
1719  *      SHAddFromPropSheetExtArray      [SHELL32.167]
1720  */
1721 UINT WINAPI SHAddFromPropSheetExtArray(HPSXA hpsxa, LPFNADDPROPSHEETPAGE lpfnAddPage, LPARAM lParam)
1722 {
1723     PSXA_CALL Call;
1724     UINT i;
1725     PPSXA psxa = (PPSXA)hpsxa;
1726
1727     TRACE("(%p,%p,%08lx)\n", hpsxa, lpfnAddPage, lParam);
1728
1729     if (psxa)
1730     {
1731         ZeroMemory(&Call, sizeof(Call));
1732         Call.lpfnAddReplaceWith = lpfnAddPage;
1733         Call.lParam = lParam;
1734         Call.bMultiple = TRUE;
1735
1736         /* Call the AddPage method of all registered IShellPropSheetExt interfaces */
1737         for (i = 0; i != psxa->uiCount; i++)
1738         {
1739             psxa->pspsx[i]->lpVtbl->AddPages(psxa->pspsx[i], PsxaCall, (LPARAM)&Call);
1740         }
1741
1742         return Call.uiCount;
1743     }
1744
1745     return 0;
1746 }
1747
1748 /*************************************************************************
1749  *      SHCreatePropSheetExtArray       [SHELL32.168]
1750  */
1751 HPSXA WINAPI SHCreatePropSheetExtArray(HKEY hKey, LPCWSTR pszSubKey, UINT max_iface)
1752 {
1753     return SHCreatePropSheetExtArrayEx(hKey, pszSubKey, max_iface, NULL);
1754 }
1755
1756 /*************************************************************************
1757  *      SHCreatePropSheetExtArrayEx     [SHELL32.194]
1758  */
1759 HPSXA WINAPI SHCreatePropSheetExtArrayEx(HKEY hKey, LPCWSTR pszSubKey, UINT max_iface, LPDATAOBJECT pDataObj)
1760 {
1761     static const WCHAR szPropSheetSubKey[] = {'s','h','e','l','l','e','x','\\','P','r','o','p','e','r','t','y','S','h','e','e','t','H','a','n','d','l','e','r','s',0};
1762     WCHAR szHandler[64];
1763     DWORD dwHandlerLen;
1764     WCHAR szClsidHandler[39];
1765     DWORD dwClsidSize;
1766     CLSID clsid;
1767     LONG lRet;
1768     DWORD dwIndex;
1769     IShellExtInit *psxi;
1770     IShellPropSheetExt *pspsx;
1771     HKEY hkBase, hkPropSheetHandlers;
1772     PPSXA psxa = NULL;
1773
1774     TRACE("(%p,%s,%u)\n", hKey, debugstr_w(pszSubKey), max_iface);
1775
1776     if (max_iface == 0)
1777         return NULL;
1778
1779     /* Open the registry key */
1780     lRet = RegOpenKeyW(hKey, pszSubKey, &hkBase);
1781     if (lRet != ERROR_SUCCESS)
1782         return NULL;
1783
1784     lRet = RegOpenKeyExW(hkBase, szPropSheetSubKey, 0, KEY_ENUMERATE_SUB_KEYS, &hkPropSheetHandlers);
1785     RegCloseKey(hkBase);
1786     if (lRet == ERROR_SUCCESS)
1787     {
1788         /* Create and initialize the Property Sheet Extensions Array */
1789         psxa = LocalAlloc(LMEM_FIXED, FIELD_OFFSET(PSXA, pspsx[max_iface]));
1790         if (psxa)
1791         {
1792             ZeroMemory(psxa, FIELD_OFFSET(PSXA, pspsx[max_iface]));
1793             psxa->uiAllocated = max_iface;
1794
1795             /* Enumerate all subkeys and attempt to load the shell extensions */
1796             dwIndex = 0;
1797             do
1798             {
1799                 dwHandlerLen = sizeof(szHandler) / sizeof(szHandler[0]);
1800                 lRet = RegEnumKeyExW(hkPropSheetHandlers, dwIndex++, szHandler, &dwHandlerLen, NULL, NULL, NULL, NULL);
1801                 if (lRet != ERROR_SUCCESS)
1802                 {
1803                     if (lRet == ERROR_MORE_DATA)
1804                         continue;
1805
1806                     if (lRet == ERROR_NO_MORE_ITEMS)
1807                         lRet = ERROR_SUCCESS;
1808                     break;
1809                 }
1810
1811                 /* The CLSID is stored either in the key itself or in its default value. */
1812                 if (FAILED(lRet = SHCLSIDFromStringW(szHandler, &clsid)))
1813                 {
1814                     dwClsidSize = sizeof(szClsidHandler);
1815                     if (SHGetValueW(hkPropSheetHandlers, szHandler, NULL, NULL, szClsidHandler, &dwClsidSize) == ERROR_SUCCESS)
1816                     {
1817                         /* Force a NULL-termination and convert the string */
1818                         szClsidHandler[(sizeof(szClsidHandler) / sizeof(szClsidHandler[0])) - 1] = 0;
1819                         lRet = SHCLSIDFromStringW(szClsidHandler, &clsid);
1820                     }
1821                 }
1822
1823                 if (SUCCEEDED(lRet))
1824                 {
1825                     /* Attempt to get an IShellPropSheetExt and an IShellExtInit instance.
1826                        Only if both interfaces are supported it's a real shell extension.
1827                        Then call IShellExtInit's Initialize method. */
1828                     if (SUCCEEDED(CoCreateInstance(&clsid, NULL, CLSCTX_INPROC_SERVER/* | CLSCTX_NO_CODE_DOWNLOAD */, &IID_IShellPropSheetExt, (LPVOID *)&pspsx)))
1829                     {
1830                         if (SUCCEEDED(pspsx->lpVtbl->QueryInterface(pspsx, &IID_IShellExtInit, (PVOID *)&psxi)))
1831                         {
1832                             if (SUCCEEDED(psxi->lpVtbl->Initialize(psxi, NULL, pDataObj, hKey)))
1833                             {
1834                                 /* Add the IShellPropSheetExt instance to the array */
1835                                 psxa->pspsx[psxa->uiCount++] = pspsx;
1836                             }
1837                             else
1838                             {
1839                                 psxi->lpVtbl->Release(psxi);
1840                                 pspsx->lpVtbl->Release(pspsx);
1841                             }
1842                         }
1843                         else
1844                             pspsx->lpVtbl->Release(pspsx);
1845                     }
1846                 }
1847
1848             } while (psxa->uiCount != psxa->uiAllocated);
1849         }
1850         else
1851             lRet = ERROR_NOT_ENOUGH_MEMORY;
1852
1853         RegCloseKey(hkPropSheetHandlers);
1854     }
1855
1856     if (lRet != ERROR_SUCCESS && psxa)
1857     {
1858         SHDestroyPropSheetExtArray((HPSXA)psxa);
1859         psxa = NULL;
1860     }
1861
1862     return (HPSXA)psxa;
1863 }
1864
1865 /*************************************************************************
1866  *      SHReplaceFromPropSheetExtArray  [SHELL32.170]
1867  */
1868 UINT WINAPI SHReplaceFromPropSheetExtArray(HPSXA hpsxa, UINT uPageID, LPFNADDPROPSHEETPAGE lpfnReplaceWith, LPARAM lParam)
1869 {
1870     PSXA_CALL Call;
1871     UINT i;
1872     PPSXA psxa = (PPSXA)hpsxa;
1873
1874     TRACE("(%p,%u,%p,%08lx)\n", hpsxa, uPageID, lpfnReplaceWith, lParam);
1875
1876     if (psxa)
1877     {
1878         ZeroMemory(&Call, sizeof(Call));
1879         Call.lpfnAddReplaceWith = lpfnReplaceWith;
1880         Call.lParam = lParam;
1881
1882         /* Call the ReplacePage method of all registered IShellPropSheetExt interfaces.
1883            Each shell extension is only allowed to call the callback once during the callback. */
1884         for (i = 0; i != psxa->uiCount; i++)
1885         {
1886             Call.bCalled = FALSE;
1887             psxa->pspsx[i]->lpVtbl->ReplacePage(psxa->pspsx[i], uPageID, PsxaCall, (LPARAM)&Call);
1888         }
1889
1890         return Call.uiCount;
1891     }
1892
1893     return 0;
1894 }
1895
1896 /*************************************************************************
1897  *      SHDestroyPropSheetExtArray      [SHELL32.169]
1898  */
1899 void WINAPI SHDestroyPropSheetExtArray(HPSXA hpsxa)
1900 {
1901     UINT i;
1902     PPSXA psxa = (PPSXA)hpsxa;
1903
1904     TRACE("(%p)\n", hpsxa);
1905
1906     if (psxa)
1907     {
1908         for (i = 0; i != psxa->uiCount; i++)
1909         {
1910             psxa->pspsx[i]->lpVtbl->Release(psxa->pspsx[i]);
1911         }
1912
1913         LocalFree(psxa);
1914     }
1915 }
1916
1917 /*************************************************************************
1918  *      CIDLData_CreateFromIDArray      [SHELL32.83]
1919  *
1920  *  Create IDataObject from PIDLs??
1921  */
1922 HRESULT WINAPI CIDLData_CreateFromIDArray(
1923         LPCITEMIDLIST pidlFolder,
1924         DWORD cpidlFiles,
1925         LPCITEMIDLIST *lppidlFiles,
1926         LPDATAOBJECT *ppdataObject)
1927 {
1928     UINT i;
1929     HWND hwnd = 0;   /*FIXME: who should be hwnd of owner? set to desktop */
1930
1931     TRACE("(%p, %d, %p, %p)\n", pidlFolder, cpidlFiles, lppidlFiles, ppdataObject);
1932     if (TRACE_ON(pidl))
1933     {
1934         pdump (pidlFolder);
1935         for (i=0; i<cpidlFiles; i++) pdump (lppidlFiles[i]);
1936     }
1937     *ppdataObject = IDataObject_Constructor( hwnd, pidlFolder,
1938                                              lppidlFiles, cpidlFiles);
1939     if (*ppdataObject) return S_OK;
1940     return E_OUTOFMEMORY;
1941 }
1942
1943 /*************************************************************************
1944  * SHCreateStdEnumFmtEtc                        [SHELL32.74]
1945  *
1946  * NOTES
1947  *
1948  */
1949 HRESULT WINAPI SHCreateStdEnumFmtEtc(
1950         DWORD cFormats,
1951         const FORMATETC *lpFormats,
1952         LPENUMFORMATETC *ppenumFormatetc)
1953 {
1954         IEnumFORMATETC *pef;
1955         HRESULT hRes;
1956         TRACE("cf=%d fe=%p pef=%p\n", cFormats, lpFormats, ppenumFormatetc);
1957
1958         pef = IEnumFORMATETC_Constructor(cFormats, lpFormats);
1959         if (!pef)
1960           return E_OUTOFMEMORY;
1961
1962         IEnumFORMATETC_AddRef(pef);
1963         hRes = IEnumFORMATETC_QueryInterface(pef, &IID_IEnumFORMATETC, (LPVOID*)ppenumFormatetc);
1964         IEnumFORMATETC_Release(pef);
1965
1966         return hRes;
1967 }
1968
1969 /*************************************************************************
1970  *              SHFindFiles (SHELL32.90)
1971  */
1972 BOOL WINAPI SHFindFiles( LPCITEMIDLIST pidlFolder, LPCITEMIDLIST pidlSaveFile )
1973 {
1974     FIXME("%p %p\n", pidlFolder, pidlSaveFile );
1975     return FALSE;
1976 }
1977
1978 /*************************************************************************
1979  *              SHUpdateImageW (SHELL32.192)
1980  *
1981  * Notifies the shell that an icon in the system image list has been changed.
1982  *
1983  * PARAMS
1984  *  pszHashItem [I] Path to file that contains the icon.
1985  *  iIndex      [I] Zero-based index of the icon in the file.
1986  *  uFlags      [I] Flags determining the icon attributes. See notes.
1987  *  iImageIndex [I] Index of the icon in the system image list.
1988  *
1989  * RETURNS
1990  *  Nothing
1991  *
1992  * NOTES
1993  *  uFlags can be one or more of the following flags:
1994  *  GIL_NOTFILENAME - pszHashItem is not a file name.
1995  *  GIL_SIMULATEDOC - Create a document icon using the specified icon.
1996  */
1997 void WINAPI SHUpdateImageW(LPCWSTR pszHashItem, int iIndex, UINT uFlags, int iImageIndex)
1998 {
1999     FIXME("%s, %d, 0x%x, %d - stub\n", debugstr_w(pszHashItem), iIndex, uFlags, iImageIndex);
2000 }
2001
2002 /*************************************************************************
2003  *              SHUpdateImageA (SHELL32.191)
2004  *
2005  * See SHUpdateImageW.
2006  */
2007 VOID WINAPI SHUpdateImageA(LPCSTR pszHashItem, INT iIndex, UINT uFlags, INT iImageIndex)
2008 {
2009     FIXME("%s, %d, 0x%x, %d - stub\n", debugstr_a(pszHashItem), iIndex, uFlags, iImageIndex);
2010 }
2011
2012 INT WINAPI SHHandleUpdateImage(LPCITEMIDLIST pidlExtra)
2013 {
2014     FIXME("%p - stub\n", pidlExtra);
2015
2016     return -1;
2017 }
2018
2019 BOOL WINAPI SHObjectProperties(HWND hwnd, DWORD dwType, LPCWSTR szObject, LPCWSTR szPage)
2020 {
2021     FIXME("%p, 0x%08x, %s, %s - stub\n", hwnd, dwType, debugstr_w(szObject), debugstr_w(szPage));
2022
2023     return TRUE;
2024 }
2025
2026 BOOL WINAPI SHGetNewLinkInfoA(LPCSTR pszLinkTo, LPCSTR pszDir, LPSTR pszName, BOOL *pfMustCopy,
2027                               UINT uFlags)
2028 {
2029     WCHAR wszLinkTo[MAX_PATH];
2030     WCHAR wszDir[MAX_PATH];
2031     WCHAR wszName[MAX_PATH];
2032     BOOL res;
2033
2034     MultiByteToWideChar(CP_ACP, 0, pszLinkTo, -1, wszLinkTo, MAX_PATH);
2035     MultiByteToWideChar(CP_ACP, 0, pszDir, -1, wszDir, MAX_PATH);
2036
2037     res = SHGetNewLinkInfoW(wszLinkTo, wszDir, wszName, pfMustCopy, uFlags);
2038
2039     if (res)
2040         WideCharToMultiByte(CP_ACP, 0, wszName, -1, pszName, MAX_PATH, NULL, NULL);
2041
2042     return res;
2043 }
2044
2045 BOOL WINAPI SHGetNewLinkInfoW(LPCWSTR pszLinkTo, LPCWSTR pszDir, LPWSTR pszName, BOOL *pfMustCopy,
2046                               UINT uFlags)
2047 {
2048     const WCHAR *basename;
2049     WCHAR *dst_basename;
2050     int i=2;
2051     static const WCHAR lnkformat[] = {'%','s','.','l','n','k',0};
2052     static const WCHAR lnkformatnum[] = {'%','s',' ','(','%','d',')','.','l','n','k',0};
2053
2054     TRACE("(%s, %s, %p, %p, 0x%08x)\n", debugstr_w(pszLinkTo), debugstr_w(pszDir),
2055           pszName, pfMustCopy, uFlags);
2056
2057     *pfMustCopy = FALSE;
2058
2059     if (uFlags & SHGNLI_PIDL)
2060     {
2061         FIXME("SHGNLI_PIDL flag unsupported\n");
2062         return FALSE;
2063     }
2064
2065     if (uFlags)
2066         FIXME("ignoring flags: 0x%08x\n", uFlags);
2067
2068     /* FIXME: should test if the file is a shortcut or DOS program */
2069     if (GetFileAttributesW(pszLinkTo) == INVALID_FILE_ATTRIBUTES)
2070         return FALSE;
2071
2072     basename = strrchrW(pszLinkTo, '\\');
2073     if (basename)
2074         basename = basename+1;
2075     else
2076         basename = pszLinkTo;
2077
2078     lstrcpynW(pszName, pszDir, MAX_PATH);
2079     if (!PathAddBackslashW(pszName))
2080         return FALSE;
2081
2082     dst_basename = pszName + strlenW(pszName);
2083
2084     snprintfW(dst_basename, pszName + MAX_PATH - dst_basename, lnkformat, basename);
2085
2086     while (GetFileAttributesW(pszName) != INVALID_FILE_ATTRIBUTES)
2087     {
2088         snprintfW(dst_basename, pszName + MAX_PATH - dst_basename, lnkformatnum, basename, i);
2089         i++;
2090     }
2091
2092     return TRUE;
2093 }
2094
2095 HRESULT WINAPI SHStartNetConnectionDialog(HWND hwnd, LPCSTR pszRemoteName, DWORD dwType)
2096 {
2097     FIXME("%p, %s, 0x%08x - stub\n", hwnd, debugstr_a(pszRemoteName), dwType);
2098
2099     return S_OK;
2100 }
2101
2102 DWORD WINAPI SHFormatDrive(HWND hwnd, UINT drive, UINT fmtID, UINT options)
2103 {
2104     FIXME("%p, 0x%08x, 0x%08x, 0x%08x - stub\n", hwnd, drive, fmtID, options);
2105
2106     return SHFMT_NOFORMAT;
2107 }
2108
2109 /*************************************************************************
2110  *              SHSetLocalizedName (SHELL32.@)
2111  */
2112 HRESULT WINAPI SHSetLocalizedName(LPWSTR pszPath, LPCWSTR pszResModule, int idsRes)
2113 {
2114     FIXME("%p, %s, %d - stub\n", pszPath, debugstr_w(pszResModule), idsRes);
2115
2116     return S_OK;
2117 }
2118
2119 /*************************************************************************
2120  *              LinkWindow_RegisterClass (SHELL32.258)
2121  */
2122 BOOL WINAPI LinkWindow_RegisterClass(void)
2123 {
2124     FIXME("()\n");
2125     return TRUE;
2126 }
2127
2128 /*************************************************************************
2129  *              LinkWindow_UnregisterClass (SHELL32.259)
2130  */
2131 BOOL WINAPI LinkWindow_UnregisterClass(void)
2132 {
2133     FIXME("()\n");
2134     return TRUE;
2135 }
2136
2137 /*************************************************************************
2138  *              SHFlushSFCache (SHELL32.526)
2139  *
2140  * Notifies the shell that a user-specified special folder location has changed.
2141  *
2142  * NOTES
2143  *   In Wine, the shell folder registry values are not cached, so this function
2144  *   has no effect.
2145  */
2146 void WINAPI SHFlushSFCache(void)
2147 {
2148 }
2149
2150 /*************************************************************************
2151  *              SHGetImageList (SHELL32.727)
2152  *
2153  * Returns a copy of a shell image list.
2154  *
2155  * NOTES
2156  *   Windows XP features 4 sizes of image list, and Vista 5. Wine currently
2157  *   only supports the traditional small and large image lists, so requests
2158  *   for the others will currently fail.
2159  */
2160 HRESULT WINAPI SHGetImageList(int iImageList, REFIID riid, void **ppv)
2161 {
2162     HIMAGELIST hLarge, hSmall;
2163     HIMAGELIST hNew;
2164     HRESULT ret = E_FAIL;
2165
2166     /* Wine currently only maintains large and small image lists */
2167     if ((iImageList != SHIL_LARGE) && (iImageList != SHIL_SMALL) && (iImageList != SHIL_SYSSMALL))
2168     {
2169         FIXME("Unsupported image list %i requested\n", iImageList);
2170         return E_FAIL;
2171     }
2172
2173     Shell_GetImageLists(&hLarge, &hSmall);
2174     hNew = ImageList_Duplicate(iImageList == SHIL_LARGE ? hLarge : hSmall);
2175
2176     /* Get the interface for the new image list */
2177     if (hNew)
2178     {
2179         ret = HIMAGELIST_QueryInterface(hNew, riid, ppv);
2180         ImageList_Destroy(hNew);
2181     }
2182
2183     return ret;
2184 }
2185
2186 /*************************************************************************
2187  * SHCreateShellFolderView                      [SHELL32.256]
2188  *
2189  * Create a new instance of the default Shell folder view object.
2190  *
2191  * RETURNS
2192  *  Success: S_OK
2193  *  Failure: error value
2194  *
2195  * NOTES
2196  *  see IShellFolder::CreateViewObject
2197  */
2198 HRESULT WINAPI SHCreateShellFolderView(const SFV_CREATE *pcsfv,
2199                         IShellView **ppsv)
2200 {
2201         IShellView * psf;
2202         HRESULT hRes;
2203
2204         TRACE("sf=%p outer=%p callback=%p\n",
2205           pcsfv->pshf, pcsfv->psvOuter, pcsfv->psfvcb);
2206
2207         psf = IShellView_Constructor(pcsfv->pshf);
2208
2209         if (!psf)
2210           return E_OUTOFMEMORY;
2211
2212         IShellView_AddRef(psf);
2213         hRes = IShellView_QueryInterface(psf, &IID_IShellView, (LPVOID *)ppsv);
2214         IShellView_Release(psf);
2215
2216         return hRes;
2217 }