dlls/shell32/shlfileop.c

   1 /*
   2  * SHFileOperation
   3  *
   4  * Copyright 2000 Juergen Schmied
   5  * Copyright 2002 Andriy Palamarchuk
   6  * Copyright 2004 Dietrich Teickner (from Odin)
   7  * Copyright 2004 Rolf Kalbermatter
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #include "config.h"
  25 #include "wine/port.h"
  26
  27 #include <stdarg.h>
  28 #include <string.h>
  29 #include <ctype.h>
  30 #include <assert.h>
  31
  32 #include "windef.h"
  33 #include "winbase.h"
  34 #include "winreg.h"
  35 #include "shellapi.h"
  36 #include "wingdi.h"
  37 #include "winuser.h"
  38 #include "shlobj.h"
  39 #include "shresdef.h"
  40 #define NO_SHLWAPI_STREAM
  41 #include "shlwapi.h"
  42 #include "shell32_main.h"
  43 #include "undocshell.h"
  44 #include "wine/debug.h"
  45 #include "xdg.h"
  46
  47 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  48
  49 #define IsAttrib(x, y)  ((INVALID_FILE_ATTRIBUTES != (x)) && ((x) & (y)))
  50 #define IsAttribFile(x) (!((x) & FILE_ATTRIBUTE_DIRECTORY))
  51 #define IsAttribDir(x)  IsAttrib(x, FILE_ATTRIBUTE_DIRECTORY)
  52 #define IsDotDir(x)     ((x[0] == '.') && ((x[1] == 0) || ((x[1] == '.') && (x[2] == 0))))
  53
  54 #define FO_MASK         0xF
  55
  56 static const WCHAR wWildcardFile[] = {'*',0};
  57 static const WCHAR wWildcardChars[] = {'*','?',0};
  58
  59 static DWORD SHNotifyCreateDirectoryA(LPCSTR path, LPSECURITY_ATTRIBUTES sec);
  60 static DWORD SHNotifyCreateDirectoryW(LPCWSTR path, LPSECURITY_ATTRIBUTES sec);
  61 static DWORD SHNotifyRemoveDirectoryA(LPCSTR path);
  62 static DWORD SHNotifyRemoveDirectoryW(LPCWSTR path);
  63 static DWORD SHNotifyDeleteFileA(LPCSTR path);
  64 static DWORD SHNotifyDeleteFileW(LPCWSTR path);
  65 static DWORD SHNotifyMoveFileW(LPCWSTR src, LPCWSTR dest);
  66 static DWORD SHNotifyCopyFileW(LPCWSTR src, LPCWSTR dest, BOOL bFailIfExists);
  67 static DWORD SHFindAttrW(LPCWSTR pName, BOOL fileOnly);
  68
  69 typedef struct
  70 {
  71     SHFILEOPSTRUCTW *req;
  72     DWORD dwYesToAllMask;
  73     BOOL bManyItems;
  74     BOOL bCancelled;
  75 } FILE_OPERATION;
  76
  77 /* Confirm dialogs with an optional "Yes To All" as used in file operations confirmations
  78  */
  79 static const WCHAR CONFIRM_MSG_PROP[] = {'W','I','N','E','_','C','O','N','F','I','R','M',0};
  80
  81 struct confirm_msg_info
  82 {
  83     LPWSTR lpszText;
  84     LPWSTR lpszCaption;
  85     HICON hIcon;
  86     BOOL bYesToAll;
  87 };
  88
  89 /* as some buttons may be hidden and the dialog height may change we may need
  90  * to move the controls */
  91 static void confirm_msg_move_button(HWND hDlg, INT iId, INT *xPos, INT yOffset, BOOL bShow)
  92 {
  93     HWND hButton = GetDlgItem(hDlg, iId);
  94     RECT r;
  95
  96     if (bShow) {
  97         POINT pt;
  98         int width;
  99
 100         GetWindowRect(hButton, &r);
 101         width = r.right - r.left;
 102         pt.x = r.left;
 103         pt.y = r.top;
 104         ScreenToClient(hDlg, &pt);
 105         MoveWindow(hButton, *xPos - width, pt.y - yOffset, width, r.bottom - r.top, FALSE);
 106         *xPos -= width + 5;
 107     }
 108     else
 109         ShowWindow(hButton, SW_HIDE);
 110 }
 111
 112 /* Note: we paint the text manually and don't use the static control to make
 113  * sure the text has the same height as the one computed in WM_INITDIALOG
 114  */
 115 static INT_PTR CALLBACK ConfirmMsgBox_Paint(HWND hDlg)
 116 {
 117     PAINTSTRUCT ps;
 118     HFONT hOldFont;
 119     RECT r;
 120     HDC hdc;
 121
 122     BeginPaint(hDlg, &ps);
 123     hdc = ps.hdc;
 124
 125     GetClientRect(GetDlgItem(hDlg, IDD_MESSAGE), &r);
 126     /* this will remap the rect to dialog coords */
 127     MapWindowPoints(GetDlgItem(hDlg, IDD_MESSAGE), hDlg, (LPPOINT)&r, 2);
 128     hOldFont = SelectObject(hdc, (HFONT)SendDlgItemMessageW(hDlg, IDD_MESSAGE, WM_GETFONT, 0, 0));
 129     DrawTextW(hdc, (LPWSTR)GetPropW(hDlg, CONFIRM_MSG_PROP), -1, &r, DT_NOPREFIX | DT_PATH_ELLIPSIS | DT_WORDBREAK);
 130     SelectObject(hdc, hOldFont);
 131     EndPaint(hDlg, &ps);
 132     return TRUE;
 133 }
 134
 135 static INT_PTR CALLBACK ConfirmMsgBox_Init(HWND hDlg, LPARAM lParam)
 136 {
 137     struct confirm_msg_info *info = (struct confirm_msg_info *)lParam;
 138     INT xPos, yOffset;
 139     int width, height;
 140     HFONT hOldFont;
 141     HDC hdc;
 142     RECT r;
 143
 144     SetWindowTextW(hDlg, info->lpszCaption);
 145     ShowWindow(GetDlgItem(hDlg, IDD_MESSAGE), SW_HIDE);
 146     SetPropW(hDlg, CONFIRM_MSG_PROP, (HANDLE)info->lpszText);
 147     SendDlgItemMessageW(hDlg, IDD_ICON, STM_SETICON, (WPARAM)info->hIcon, 0);
 148
 149     /* compute the text height and resize the dialog */
 150     GetClientRect(GetDlgItem(hDlg, IDD_MESSAGE), &r);
 151     hdc = GetDC(hDlg);
 152     yOffset = r.bottom;
 153     hOldFont = SelectObject(hdc, (HFONT)SendDlgItemMessageW(hDlg, IDD_MESSAGE, WM_GETFONT, 0, 0));
 154     DrawTextW(hdc, info->lpszText, -1, &r, DT_NOPREFIX | DT_PATH_ELLIPSIS | DT_WORDBREAK | DT_CALCRECT);
 155     SelectObject(hdc, hOldFont);
 156     yOffset -= r.bottom;
 157     yOffset = min(yOffset, 35);  /* don't make the dialog too small */
 158     ReleaseDC(hDlg, hdc);
 159
 160     GetClientRect(hDlg, &r);
 161     xPos = r.right - 7;
 162     GetWindowRect(hDlg, &r);
 163     width = r.right - r.left;
 164     height = r.bottom - r.top - yOffset;
 165     MoveWindow(hDlg, (GetSystemMetrics(SM_CXSCREEN) - width)/2,
 166         (GetSystemMetrics(SM_CYSCREEN) - height)/2, width, height, FALSE);
 167
 168     confirm_msg_move_button(hDlg, IDCANCEL,     &xPos, yOffset, info->bYesToAll);
 169     confirm_msg_move_button(hDlg, IDNO,         &xPos, yOffset, TRUE);
 170     confirm_msg_move_button(hDlg, IDD_YESTOALL, &xPos, yOffset, info->bYesToAll);
 171     confirm_msg_move_button(hDlg, IDYES,        &xPos, yOffset, TRUE);
 172     return TRUE;
 173 }
 174
 175 static INT_PTR CALLBACK ConfirmMsgBoxProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
 176 {
 177     switch (uMsg)
 178     {
 179         case WM_INITDIALOG:
 180             return ConfirmMsgBox_Init(hDlg, lParam);
 181         case WM_PAINT:
 182             return ConfirmMsgBox_Paint(hDlg);
 183         case WM_COMMAND:
 184             EndDialog(hDlg, wParam);
 185             break;
 186         case WM_CLOSE:
 187             EndDialog(hDlg, IDCANCEL);
 188             break;
 189     }
 190     return FALSE;
 191 }
 192
 193 static int SHELL_ConfirmMsgBox(HWND hWnd, LPWSTR lpszText, LPWSTR lpszCaption, HICON hIcon, BOOL bYesToAll)
 194 {
 195     static const WCHAR wszTemplate[] = {'S','H','E','L','L','_','Y','E','S','T','O','A','L','L','_','M','S','G','B','O','X',0};
 196     struct confirm_msg_info info;
 197
 198     info.lpszText = lpszText;
 199     info.lpszCaption = lpszCaption;
 200     info.hIcon = hIcon;
 201     info.bYesToAll = bYesToAll;
 202     return DialogBoxParamW(shell32_hInstance, wszTemplate, hWnd, ConfirmMsgBoxProc, (LPARAM)&info);
 203 }
 204
 205 /* confirmation dialogs content */
 206 typedef struct
 207 {
 208         HINSTANCE hIconInstance;
 209         UINT icon_resource_id;
 210         UINT caption_resource_id, text_resource_id;
 211 } SHELL_ConfirmIDstruc;
 212
 213 static BOOL SHELL_ConfirmIDs(int nKindOfDialog, SHELL_ConfirmIDstruc *ids)
 214 {
 215         ids->hIconInstance = shell32_hInstance;
 216         switch (nKindOfDialog) {
 217           case ASK_DELETE_FILE:
 218             ids->icon_resource_id = IDI_SHELL_CONFIRM_DELETE;
 219             ids->caption_resource_id  = IDS_DELETEITEM_CAPTION;
 220             ids->text_resource_id  = IDS_DELETEITEM_TEXT;
 221             return TRUE;
 222           case ASK_DELETE_FOLDER:
 223             ids->icon_resource_id = IDI_SHELL_CONFIRM_DELETE;
 224             ids->caption_resource_id  = IDS_DELETEFOLDER_CAPTION;
 225             ids->text_resource_id  = IDS_DELETEITEM_TEXT;
 226             return TRUE;
 227           case ASK_DELETE_MULTIPLE_ITEM:
 228             ids->icon_resource_id = IDI_SHELL_CONFIRM_DELETE;
 229             ids->caption_resource_id  = IDS_DELETEITEM_CAPTION;
 230             ids->text_resource_id  = IDS_DELETEMULTIPLE_TEXT;
 231             return TRUE;
 232           case ASK_TRASH_FILE:
 233             ids->icon_resource_id = IDI_SHELL_TRASH_FILE;
 234             ids->caption_resource_id = IDS_DELETEITEM_CAPTION;
 235             ids->text_resource_id = IDS_TRASHITEM_TEXT;
 236             return TRUE;
 237           case ASK_TRASH_FOLDER:
 238             ids->icon_resource_id = IDI_SHELL_TRASH_FILE;
 239             ids->caption_resource_id = IDS_DELETEFOLDER_CAPTION;
 240             ids->text_resource_id = IDS_TRASHFOLDER_TEXT;
 241             return TRUE;
 242           case ASK_TRASH_MULTIPLE_ITEM:
 243             ids->icon_resource_id = IDI_SHELL_TRASH_FILE;
 244             ids->caption_resource_id = IDS_DELETEITEM_CAPTION;
 245             ids->text_resource_id = IDS_TRASHMULTIPLE_TEXT;
 246             return TRUE;
 247           case ASK_CANT_TRASH_ITEM:
 248             ids->icon_resource_id = IDI_SHELL_CONFIRM_DELETE;
 249             ids->caption_resource_id  = IDS_DELETEITEM_CAPTION;
 250             ids->text_resource_id  = IDS_CANTTRASH_TEXT;
 251             return TRUE;
 252           case ASK_DELETE_SELECTED:
 253             ids->icon_resource_id = IDI_SHELL_CONFIRM_DELETE;
 254             ids->caption_resource_id  = IDS_DELETEITEM_CAPTION;
 255             ids->text_resource_id  = IDS_DELETESELECTED_TEXT;
 256             return TRUE;
 257           case ASK_OVERWRITE_FILE:
 258             ids->hIconInstance = NULL;
 259             ids->icon_resource_id = IDI_WARNING;
 260             ids->caption_resource_id  = IDS_OVERWRITEFILE_CAPTION;
 261             ids->text_resource_id  = IDS_OVERWRITEFILE_TEXT;
 262             return TRUE;
 263           case ASK_OVERWRITE_FOLDER:
 264             ids->hIconInstance = NULL;
 265             ids->icon_resource_id = IDI_WARNING;
 266             ids->caption_resource_id  = IDS_OVERWRITEFILE_CAPTION;
 267             ids->text_resource_id  = IDS_OVERWRITEFOLDER_TEXT;
 268             return TRUE;
 269           default:
 270             FIXME(" Unhandled nKindOfDialog %d stub\n", nKindOfDialog);
 271         }
 272         return FALSE;
 273 }
 274
 275 static BOOL SHELL_ConfirmDialogW(HWND hWnd, int nKindOfDialog, LPCWSTR szDir, FILE_OPERATION *op)
 276 {
 277         WCHAR szCaption[255], szText[255], szBuffer[MAX_PATH + 256];
 278         SHELL_ConfirmIDstruc ids;
 279         DWORD_PTR args[1];
 280         HICON hIcon;
 281         int ret;
 282
 283         assert(nKindOfDialog >= 0 && nKindOfDialog < 32);
 284         if (op && (op->dwYesToAllMask & (1 << nKindOfDialog)))
 285             return TRUE;
 286
 287         if (!SHELL_ConfirmIDs(nKindOfDialog, &ids)) return FALSE;
 288
 289         LoadStringW(shell32_hInstance, ids.caption_resource_id, szCaption, sizeof(szCaption)/sizeof(WCHAR));
 290         LoadStringW(shell32_hInstance, ids.text_resource_id, szText, sizeof(szText)/sizeof(WCHAR));
 291
 292         args[0] = (DWORD_PTR)szDir;
 293         FormatMessageW(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ARGUMENT_ARRAY,
 294                        szText, 0, 0, szBuffer, sizeof(szBuffer), (va_list*)args);
 295         hIcon = LoadIconW(ids.hIconInstance, (LPWSTR)MAKEINTRESOURCE(ids.icon_resource_id));
 296
 297         ret = SHELL_ConfirmMsgBox(hWnd, szBuffer, szCaption, hIcon, op && op->bManyItems);
 298         if (op) {
 299             if (ret == IDD_YESTOALL) {
 300                 op->dwYesToAllMask |= (1 << nKindOfDialog);
 301                 ret = IDYES;
 302             }
 303             if (ret == IDCANCEL)
 304                 op->bCancelled = TRUE;
 305             if (ret != IDYES)
 306                 op->req->fAnyOperationsAborted = TRUE;
 307         }
 308         return ret == IDYES;
 309 }
 310
 311 BOOL SHELL_ConfirmYesNoW(HWND hWnd, int nKindOfDialog, LPCWSTR szDir)
 312 {
 313     return SHELL_ConfirmDialogW(hWnd, nKindOfDialog, szDir, NULL);
 314 }
 315
 316 static DWORD SHELL32_AnsiToUnicodeBuf(LPCSTR aPath, LPWSTR *wPath, DWORD minChars)
 317 {
 318         DWORD len = MultiByteToWideChar(CP_ACP, 0, aPath, -1, NULL, 0);
 319
 320         if (len < minChars)
 321           len = minChars;
 322
 323         *wPath = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 324         if (*wPath)
 325         {
 326           MultiByteToWideChar(CP_ACP, 0, aPath, -1, *wPath, len);
 327           return NO_ERROR;
 328         }
 329         return E_OUTOFMEMORY;
 330 }
 331
 332 static void SHELL32_FreeUnicodeBuf(LPWSTR wPath)
 333 {
 334         HeapFree(GetProcessHeap(), 0, wPath);
 335 }
 336
 337 HRESULT WINAPI SHIsFileAvailableOffline(LPCWSTR path, LPDWORD status)
 338 {
 339     FIXME("(%s, %p) stub\n", debugstr_w(path), status);
 340     return E_FAIL;
 341 }
 342
 343 /**************************************************************************
 344  * SHELL_DeleteDirectory()  [internal]
 345  *
 346  * Asks for confirmation when bShowUI is true and deletes the directory and
 347  * all its subdirectories and files if necessary.
 348  */
 349 BOOL SHELL_DeleteDirectoryW(HWND hwnd, LPCWSTR pszDir, BOOL bShowUI)
 350 {
 351         BOOL    ret = TRUE;
 352         HANDLE  hFind;
 353         WIN32_FIND_DATAW wfd;
 354         WCHAR   szTemp[MAX_PATH];
 355         WCHAR   szPath[MAX_PATH];
 356         BOOL    foundOne;
 357
 358         /* Make sure the directory exists before eventually prompting the user */
 359         PathCombineW(szPath, pszDir, wWildcardFile);
 360
 361         if (!bShowUI || (ret = SHELL_ConfirmDialogW(hwnd, ASK_DELETE_FOLDER, pszDir, NULL)))
 362         {
 363           do
 364           {
 365             foundOne = FALSE;
 366             hFind = FindFirstFileW(szPath, &wfd);
 367             if (hFind == INVALID_HANDLE_VALUE)
 368               return FALSE;
 369
 370             do
 371             {
 372               if (IsDotDir(wfd.cFileName))
 373                 continue;
 374               foundOne = TRUE;
 375               PathCombineW(szTemp, pszDir, wfd.cFileName);
 376               if (FILE_ATTRIBUTE_DIRECTORY & wfd.dwFileAttributes)
 377                 ret = SHELL_DeleteDirectoryW(hwnd, szTemp, FALSE);
 378               else
 379                 ret = (SHNotifyDeleteFileW(szTemp) == ERROR_SUCCESS);
 380             } while (ret && FindNextFileW(hFind, &wfd));
 381
 382             FindClose(hFind);
 383           }while (ret && foundOne);
 384         }
 385         if (ret)
 386           ret = (SHNotifyRemoveDirectoryW(pszDir) == ERROR_SUCCESS);
 387         return ret;
 388 }
 389
 390 /**************************************************************************
 391  * Win32CreateDirectory      [SHELL32.93]
 392  *
 393  * Creates a directory. Also triggers a change notify if one exists.
 394  *
 395  * PARAMS
 396  *  path       [I]   path to directory to create
 397  *
 398  * RETURNS
 399  *  TRUE if successful, FALSE otherwise
 400  *
 401  * NOTES
 402  *  Verified on Win98 / IE 5 (SHELL32 4.72, March 1999 build) to be ANSI.
 403  *  This is Unicode on NT/2000
 404  */
 405 static DWORD SHNotifyCreateDirectoryA(LPCSTR path, LPSECURITY_ATTRIBUTES sec)
 406 {
 407         LPWSTR wPath;
 408         DWORD retCode;
 409
 410         TRACE("(%s, %p)\n", debugstr_a(path), sec);
 411
 412         retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
 413         if (!retCode)
 414         {
 415           retCode = SHNotifyCreateDirectoryW(wPath, sec);
 416           SHELL32_FreeUnicodeBuf(wPath);
 417         }
 418         return retCode;
 419 }
 420
 421 /**********************************************************************/
 422
 423 static DWORD SHNotifyCreateDirectoryW(LPCWSTR path, LPSECURITY_ATTRIBUTES sec)
 424 {
 425         TRACE("(%s, %p)\n", debugstr_w(path), sec);
 426
 427         if (CreateDirectoryW(path, sec))
 428         {
 429           SHChangeNotify(SHCNE_MKDIR, SHCNF_PATHW, path, NULL);
 430           return ERROR_SUCCESS;
 431         }
 432         return GetLastError();
 433 }
 434
 435 /**********************************************************************/
 436
 437 BOOL WINAPI Win32CreateDirectoryAW(LPCVOID path, LPSECURITY_ATTRIBUTES sec)
 438 {
 439         if (SHELL_OsIsUnicode())
 440           return (SHNotifyCreateDirectoryW(path, sec) == ERROR_SUCCESS);
 441         return (SHNotifyCreateDirectoryA(path, sec) == ERROR_SUCCESS);
 442 }
 443
 444 /************************************************************************
 445  * Win32RemoveDirectory      [SHELL32.94]
 446  *
 447  * Deletes a directory. Also triggers a change notify if one exists.
 448  *
 449  * PARAMS
 450  *  path       [I]   path to directory to delete
 451  *
 452  * RETURNS
 453  *  TRUE if successful, FALSE otherwise
 454  *
 455  * NOTES
 456  *  Verified on Win98 / IE 5 (SHELL32 4.72, March 1999 build) to be ANSI.
 457  *  This is Unicode on NT/2000
 458  */
 459 static DWORD SHNotifyRemoveDirectoryA(LPCSTR path)
 460 {
 461         LPWSTR wPath;
 462         DWORD retCode;
 463
 464         TRACE("(%s)\n", debugstr_a(path));
 465
 466         retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
 467         if (!retCode)
 468         {
 469           retCode = SHNotifyRemoveDirectoryW(wPath);
 470           SHELL32_FreeUnicodeBuf(wPath);
 471         }
 472         return retCode;
 473 }
 474
 475 /***********************************************************************/
 476
 477 static DWORD SHNotifyRemoveDirectoryW(LPCWSTR path)
 478 {
 479         BOOL ret;
 480         TRACE("(%s)\n", debugstr_w(path));
 481
 482         ret = RemoveDirectoryW(path);
 483         if (!ret)
 484         {
 485           /* Directory may be write protected */
 486           DWORD dwAttr = GetFileAttributesW(path);
 487           if (IsAttrib(dwAttr, FILE_ATTRIBUTE_READONLY))
 488             if (SetFileAttributesW(path, dwAttr & ~FILE_ATTRIBUTE_READONLY))
 489               ret = RemoveDirectoryW(path);
 490         }
 491         if (ret)
 492         {
 493           SHChangeNotify(SHCNE_RMDIR, SHCNF_PATHW, path, NULL);
 494           return ERROR_SUCCESS;
 495         }
 496         return GetLastError();
 497 }
 498
 499 /***********************************************************************/
 500
 501 BOOL WINAPI Win32RemoveDirectoryAW(LPCVOID path)
 502 {
 503         if (SHELL_OsIsUnicode())
 504           return (SHNotifyRemoveDirectoryW(path) == ERROR_SUCCESS);
 505         return (SHNotifyRemoveDirectoryA(path) == ERROR_SUCCESS);
 506 }
 507
 508 /************************************************************************
 509  * Win32DeleteFile           [SHELL32.164]
 510  *
 511  * Deletes a file. Also triggers a change notify if one exists.
 512  *
 513  * PARAMS
 514  *  path       [I]   path to file to delete
 515  *
 516  * RETURNS
 517  *  TRUE if successful, FALSE otherwise
 518  *
 519  * NOTES
 520  *  Verified on Win98 / IE 5 (SHELL32 4.72, March 1999 build) to be ANSI.
 521  *  This is Unicode on NT/2000
 522  */
 523 static DWORD SHNotifyDeleteFileA(LPCSTR path)
 524 {
 525         LPWSTR wPath;
 526         DWORD retCode;
 527
 528         TRACE("(%s)\n", debugstr_a(path));
 529
 530         retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
 531         if (!retCode)
 532         {
 533           retCode = SHNotifyDeleteFileW(wPath);
 534           SHELL32_FreeUnicodeBuf(wPath);
 535         }
 536         return retCode;
 537 }
 538
 539 /***********************************************************************/
 540
 541 static DWORD SHNotifyDeleteFileW(LPCWSTR path)
 542 {
 543         BOOL ret;
 544
 545         TRACE("(%s)\n", debugstr_w(path));
 546
 547         ret = DeleteFileW(path);
 548         if (!ret)
 549         {
 550           /* File may be write protected or a system file */
 551           DWORD dwAttr = GetFileAttributesW(path);
 552           if (IsAttrib(dwAttr, FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM))
 553             if (SetFileAttributesW(path, dwAttr & ~(FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM)))
 554               ret = DeleteFileW(path);
 555         }
 556         if (ret)
 557         {
 558           SHChangeNotify(SHCNE_DELETE, SHCNF_PATHW, path, NULL);
 559           return ERROR_SUCCESS;
 560         }
 561         return GetLastError();
 562 }
 563
 564 /***********************************************************************/
 565
 566 DWORD WINAPI Win32DeleteFileAW(LPCVOID path)
 567 {
 568         if (SHELL_OsIsUnicode())
 569           return (SHNotifyDeleteFileW(path) == ERROR_SUCCESS);
 570         return (SHNotifyDeleteFileA(path) == ERROR_SUCCESS);
 571 }
 572
 573 /************************************************************************
 574  * SHNotifyMoveFile          [internal]
 575  *
 576  * Moves a file. Also triggers a change notify if one exists.
 577  *
 578  * PARAMS
 579  *  src        [I]   path to source file to move
 580  *  dest       [I]   path to target file to move to
 581  *
 582  * RETURNS
 583  *  ERORR_SUCCESS if successful
 584  */
 585 static DWORD SHNotifyMoveFileW(LPCWSTR src, LPCWSTR dest)
 586 {
 587         BOOL ret;
 588
 589         TRACE("(%s %s)\n", debugstr_w(src), debugstr_w(dest));
 590
 591         ret = MoveFileExW(src, dest, MOVEFILE_REPLACE_EXISTING);
 592
 593         /* MOVEFILE_REPLACE_EXISTING fails with dirs, so try MoveFile */
 594         if (!ret)
 595             ret = MoveFileW(src, dest);
 596
 597         if (!ret)
 598         {
 599           DWORD dwAttr;
 600
 601           dwAttr = SHFindAttrW(dest, FALSE);
 602           if (INVALID_FILE_ATTRIBUTES == dwAttr)
 603           {
 604             /* Source file may be write protected or a system file */
 605             dwAttr = GetFileAttributesW(src);
 606             if (IsAttrib(dwAttr, FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM))
 607               if (SetFileAttributesW(src, dwAttr & ~(FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM)))
 608                 ret = MoveFileW(src, dest);
 609           }
 610         }
 611         if (ret)
 612         {
 613           SHChangeNotify(SHCNE_RENAMEITEM, SHCNF_PATHW, src, dest);
 614           return ERROR_SUCCESS;
 615         }
 616         return GetLastError();
 617 }
 618
 619 /************************************************************************
 620  * SHNotifyCopyFile          [internal]
 621  *
 622  * Copies a file. Also triggers a change notify if one exists.
 623  *
 624  * PARAMS
 625  *  src           [I]   path to source file to move
 626  *  dest          [I]   path to target file to move to
 627  *  bFailIfExists [I]   if TRUE, the target file will not be overwritten if
 628  *                      a file with this name already exists
 629  *
 630  * RETURNS
 631  *  ERROR_SUCCESS if successful
 632  */
 633 static DWORD SHNotifyCopyFileW(LPCWSTR src, LPCWSTR dest, BOOL bFailIfExists)
 634 {
 635         BOOL ret;
 636
 637         TRACE("(%s %s %s)\n", debugstr_w(src), debugstr_w(dest), bFailIfExists ? "failIfExists" : "");
 638
 639         ret = CopyFileW(src, dest, bFailIfExists);
 640         if (ret)
 641         {
 642           SHChangeNotify(SHCNE_CREATE, SHCNF_PATHW, dest, NULL);
 643           return ERROR_SUCCESS;
 644         }
 645
 646         return GetLastError();
 647 }
 648
 649 /*************************************************************************
 650  * SHCreateDirectory         [SHELL32.165]
 651  *
 652  * This function creates a file system folder whose fully qualified path is
 653  * given by path. If one or more of the intermediate folders do not exist,
 654  * they will be created as well.
 655  *
 656  * PARAMS
 657  *  hWnd       [I]
 658  *  path       [I]   path of directory to create
 659  *
 660  * RETURNS
 661  *  ERRROR_SUCCESS or one of the following values:
 662  *  ERROR_BAD_PATHNAME if the path is relative
 663  *  ERROR_FILE_EXISTS when a file with that name exists
 664  *  ERROR_PATH_NOT_FOUND can't find the path, probably invalid
 665  *  ERROR_INVLID_NAME if the path contains invalid chars
 666  *  ERROR_ALREADY_EXISTS when the directory already exists
 667  *  ERROR_FILENAME_EXCED_RANGE if the filename was to long to process
 668  *
 669  * NOTES
 670  *  exported by ordinal
 671  *  Win9x exports ANSI
 672  *  WinNT/2000 exports Unicode
 673  */
 674 DWORD WINAPI SHCreateDirectory(HWND hWnd, LPCVOID path)
 675 {
 676         if (SHELL_OsIsUnicode())
 677           return SHCreateDirectoryExW(hWnd, path, NULL);
 678         return SHCreateDirectoryExA(hWnd, path, NULL);
 679 }
 680
 681 /*************************************************************************
 682  * SHCreateDirectoryExA      [SHELL32.@]
 683  *
 684  * This function creates a file system folder whose fully qualified path is
 685  * given by path. If one or more of the intermediate folders do not exist,
 686  * they will be created as well.
 687  *
 688  * PARAMS
 689  *  hWnd       [I]
 690  *  path       [I]   path of directory to create
 691  *  sec        [I]   security attributes to use or NULL
 692  *
 693  * RETURNS
 694  *  ERRROR_SUCCESS or one of the following values:
 695  *  ERROR_BAD_PATHNAME or ERROR_PATH_NOT_FOUND if the path is relative
 696  *  ERROR_INVLID_NAME if the path contains invalid chars
 697  *  ERROR_FILE_EXISTS when a file with that name exists
 698  *  ERROR_ALREADY_EXISTS when the directory already exists
 699  *  ERROR_FILENAME_EXCED_RANGE if the filename was to long to process
 700  *
 701  *  FIXME: Not implemented yet;
 702  *  SHCreateDirectoryEx also verifies that the files in the directory will be visible
 703  *  if the path is a network path to deal with network drivers which might have a limited
 704  *  but unknown maximum path length. If not:
 705  *
 706  *  If hWnd is set to a valid window handle, a message box is displayed warning
 707  *  the user that the files may not be accessible. If the user chooses not to
 708  *  proceed, the function returns ERROR_CANCELLED.
 709  *
 710  *  If hWnd is set to NULL, no user interface is displayed and the function
 711  *  returns ERROR_CANCELLED.
 712  */
 713 int WINAPI SHCreateDirectoryExA(HWND hWnd, LPCSTR path, LPSECURITY_ATTRIBUTES sec)
 714 {
 715         LPWSTR wPath;
 716         DWORD retCode;
 717
 718         TRACE("(%s, %p)\n", debugstr_a(path), sec);
 719
 720         retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
 721         if (!retCode)
 722         {
 723           retCode = SHCreateDirectoryExW(hWnd, wPath, sec);
 724           SHELL32_FreeUnicodeBuf(wPath);
 725         }
 726         return retCode;
 727 }
 728
 729 /*************************************************************************
 730  * SHCreateDirectoryExW      [SHELL32.@]
 731  *
 732  * See SHCreateDirectoryExA.
 733  */
 734 int WINAPI SHCreateDirectoryExW(HWND hWnd, LPCWSTR path, LPSECURITY_ATTRIBUTES sec)
 735 {
 736         int ret = ERROR_BAD_PATHNAME;
 737         TRACE("(%p, %s, %p)\n", hWnd, debugstr_w(path), sec);
 738
 739         if (PathIsRelativeW(path))
 740         {
 741           SetLastError(ret);
 742         }
 743         else
 744         {
 745           ret = SHNotifyCreateDirectoryW(path, sec);
 746           /* Refuse to work on certain error codes before trying to create directories recursively */
 747           if (ret != ERROR_SUCCESS &&
 748               ret != ERROR_FILE_EXISTS &&
 749               ret != ERROR_ALREADY_EXISTS &&
 750               ret != ERROR_FILENAME_EXCED_RANGE)
 751           {
 752             WCHAR *pEnd, *pSlash, szTemp[MAX_PATH + 1];  /* extra for PathAddBackslash() */
 753
 754             lstrcpynW(szTemp, path, MAX_PATH);
 755             pEnd = PathAddBackslashW(szTemp);
 756             pSlash = szTemp + 3;
 757
 758             while (*pSlash)
 759             {
 760               while (*pSlash && *pSlash != '\\')
 761                 pSlash = CharNextW(pSlash);
 762
 763               if (*pSlash)
 764               {
 765                 *pSlash = 0;    /* terminate path at separator */
 766
 767                 ret = SHNotifyCreateDirectoryW(szTemp, pSlash + 1 == pEnd ? sec : NULL);
 768               }
 769               *pSlash++ = '\\'; /* put the separator back */
 770             }
 771           }
 772
 773           if (ret && hWnd && (ERROR_CANCELLED != ret))
 774           {
 775             /* We failed and should show a dialog box */
 776             FIXME("Show system error message, creating path %s, failed with error %d\n", debugstr_w(path), ret);
 777             ret = ERROR_CANCELLED; /* Error has been already presented to user (not really yet!) */
 778           }
 779         }
 780         return ret;
 781 }
 782
 783 /*************************************************************************
 784  * SHFindAttrW      [internal]
 785  *
 786  * Get the Attributes for a file or directory. The difference to GetAttributes()
 787  * is that this function will also work for paths containing wildcard characters
 788  * in its filename.
 789
 790  * PARAMS
 791  *  path       [I]   path of directory or file to check
 792  *  fileOnly   [I]   TRUE if only files should be found
 793  *
 794  * RETURNS
 795  *  INVALID_FILE_ATTRIBUTES if the path does not exist, the actual attributes of
 796  *  the first file or directory found otherwise
 797  */
 798 static DWORD SHFindAttrW(LPCWSTR pName, BOOL fileOnly)
 799 {
 800         WIN32_FIND_DATAW wfd;
 801         BOOL b_FileMask = fileOnly && (NULL != StrPBrkW(pName, wWildcardChars));
 802         DWORD dwAttr = INVALID_FILE_ATTRIBUTES;
 803         HANDLE hFind = FindFirstFileW(pName, &wfd);
 804
 805         TRACE("%s %d\n", debugstr_w(pName), fileOnly);
 806         if (INVALID_HANDLE_VALUE != hFind)
 807         {
 808           do
 809           {
 810             if (b_FileMask && IsAttribDir(wfd.dwFileAttributes))
 811                continue;
 812             dwAttr = wfd.dwFileAttributes;
 813             break;
 814           }
 815           while (FindNextFileW(hFind, &wfd));
 816           FindClose(hFind);
 817         }
 818         return dwAttr;
 819 }
 820
 821 /*************************************************************************
 822  *
 823  * SHNameTranslate HelperFunction for SHFileOperationA
 824  *
 825  * Translates a list of 0 terminated ASCII strings into Unicode. If *wString
 826  * is NULL, only the necessary size of the string is determined and returned,
 827  * otherwise the ASCII strings are copied into it and the buffer is increased
 828  * to point to the location after the final 0 termination char.
 829  */
 830 static DWORD SHNameTranslate(LPWSTR* wString, LPCWSTR* pWToFrom, BOOL more)
 831 {
 832         DWORD size = 0, aSize = 0;
 833         LPCSTR aString = (LPCSTR)*pWToFrom;
 834
 835         if (aString)
 836         {
 837           do
 838           {
 839             size = lstrlenA(aString) + 1;
 840             aSize += size;
 841             aString += size;
 842           } while ((size != 1) && more);
 843           /* The two sizes might be different in the case of multibyte chars */
 844           size = MultiByteToWideChar(CP_ACP, 0, aString, aSize, *wString, 0);
 845           if (*wString) /* only in the second loop */
 846           {
 847             MultiByteToWideChar(CP_ACP, 0, (LPCSTR)*pWToFrom, aSize, *wString, size);
 848             *pWToFrom = *wString;
 849             *wString += size;
 850           }
 851         }
 852         return size;
 853 }
 854 /*************************************************************************
 855  * SHFileOperationA          [SHELL32.@]
 856  *
 857  * Function to copy, move, delete and create one or more files with optional
 858  * user prompts.
 859  *
 860  * PARAMS
 861  *  lpFileOp   [I/O] pointer to a structure containing all the necessary information
 862  *
 863  * RETURNS
 864  *  Success: ERROR_SUCCESS.
 865  *  Failure: ERROR_CANCELLED.
 866  *
 867  * NOTES
 868  *  exported by name
 869  */
 870 int WINAPI SHFileOperationA(LPSHFILEOPSTRUCTA lpFileOp)
 871 {
 872         SHFILEOPSTRUCTW nFileOp = *((LPSHFILEOPSTRUCTW)lpFileOp);
 873         int retCode = 0;
 874         DWORD size;
 875         LPWSTR ForFree = NULL, /* we change wString in SHNameTranslate and can't use it for freeing */
 876                wString = NULL; /* we change this in SHNameTranslate */
 877
 878         TRACE("\n");
 879         if (FO_DELETE == (nFileOp.wFunc & FO_MASK))
 880           nFileOp.pTo = NULL; /* we need a NULL or a valid pointer for translation */
 881         if (!(nFileOp.fFlags & FOF_SIMPLEPROGRESS))
 882           nFileOp.lpszProgressTitle = NULL; /* we need a NULL or a valid pointer for translation */
 883         while (1) /* every loop calculate size, second translate also, if we have storage for this */
 884         {
 885           size = SHNameTranslate(&wString, &nFileOp.lpszProgressTitle, FALSE); /* no loop */
 886           size += SHNameTranslate(&wString, &nFileOp.pFrom, TRUE); /* internal loop */
 887           size += SHNameTranslate(&wString, &nFileOp.pTo, TRUE); /* internal loop */
 888
 889           if (ForFree)
 890           {
 891             retCode = SHFileOperationW(&nFileOp);
 892             HeapFree(GetProcessHeap(), 0, ForFree); /* we cannot use wString, it was changed */
 893             break;
 894           }
 895           else
 896           {
 897             wString = ForFree = HeapAlloc(GetProcessHeap(), 0, size * sizeof(WCHAR));
 898             if (ForFree) continue;
 899             retCode = ERROR_OUTOFMEMORY;
 900             nFileOp.fAnyOperationsAborted = TRUE;
 901             SetLastError(retCode);
 902             return retCode;
 903           }
 904         }
 905
 906         lpFileOp->hNameMappings = nFileOp.hNameMappings;
 907         lpFileOp->fAnyOperationsAborted = nFileOp.fAnyOperationsAborted;
 908         return retCode;
 909 }
 910
 911 #define ERROR_SHELL_INTERNAL_FILE_NOT_FOUND 1026
 912
 913 typedef struct
 914 {
 915     DWORD attributes;
 916     LPWSTR szDirectory;
 917     LPWSTR szFilename;
 918     LPWSTR szFullPath;
 919     BOOL bFromWildcard;
 920     BOOL bFromRelative;
 921     BOOL bExists;
 922 } FILE_ENTRY;
 923
 924 typedef struct
 925 {
 926     FILE_ENTRY *feFiles;
 927     DWORD num_alloc;
 928     DWORD dwNumFiles;
 929     BOOL bAnyFromWildcard;
 930     BOOL bAnyDirectories;
 931     BOOL bAnyDontExist;
 932 } FILE_LIST;
 933
 934
 935 static inline void grow_list(FILE_LIST *list)
 936 {
 937     FILE_ENTRY *new = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, list->feFiles,
 938                                   list->num_alloc * 2 * sizeof(*new) );
 939     list->feFiles = new;
 940     list->num_alloc *= 2;
 941 }
 942
 943 /* adds a file to the FILE_ENTRY struct
 944  */
 945 static void add_file_to_entry(FILE_ENTRY *feFile, LPWSTR szFile)
 946 {
 947     DWORD dwLen = lstrlenW(szFile) + 1;
 948     LPWSTR ptr;
 949
 950     feFile->szFullPath = HeapAlloc(GetProcessHeap(), 0, dwLen * sizeof(WCHAR));
 951     lstrcpyW(feFile->szFullPath, szFile);
 952
 953     ptr = StrRChrW(szFile, NULL, '\\');
 954     if (ptr)
 955     {
 956         dwLen = ptr - szFile + 1;
 957         feFile->szDirectory = HeapAlloc(GetProcessHeap(), 0, dwLen * sizeof(WCHAR));
 958         lstrcpynW(feFile->szDirectory, szFile, dwLen);
 959
 960         dwLen = lstrlenW(feFile->szFullPath) - dwLen + 1;
 961         feFile->szFilename = HeapAlloc(GetProcessHeap(), 0, dwLen * sizeof(WCHAR));
 962         lstrcpyW(feFile->szFilename, ptr + 1); /* skip over backslash */
 963     }
 964     feFile->bFromWildcard = FALSE;
 965 }
 966
 967 static LPWSTR wildcard_to_file(LPWSTR szWildCard, LPWSTR szFileName)
 968 {
 969     LPWSTR szFullPath, ptr;
 970     DWORD dwDirLen, dwFullLen;
 971
 972     ptr = StrRChrW(szWildCard, NULL, '\\');
 973     dwDirLen = ptr - szWildCard + 1;
 974
 975     dwFullLen = dwDirLen + lstrlenW(szFileName) + 1;
 976     szFullPath = HeapAlloc(GetProcessHeap(), 0, dwFullLen * sizeof(WCHAR));
 977
 978     lstrcpynW(szFullPath, szWildCard, dwDirLen + 1);
 979     lstrcatW(szFullPath, szFileName);
 980
 981     return szFullPath;
 982 }
 983
 984 static void parse_wildcard_files(FILE_LIST *flList, LPWSTR szFile, LPDWORD pdwListIndex)
 985 {
 986     WIN32_FIND_DATAW wfd;
 987     HANDLE hFile = FindFirstFileW(szFile, &wfd);
 988     FILE_ENTRY *file;
 989     LPWSTR szFullPath;
 990     BOOL res;
 991
 992     if (hFile == INVALID_HANDLE_VALUE) return;
 993
 994     for (res = TRUE; res; res = FindNextFileW(hFile, &wfd))
 995     {
 996         if (IsDotDir(wfd.cFileName)) continue;
 997         if (*pdwListIndex >= flList->num_alloc) grow_list( flList );
 998         szFullPath = wildcard_to_file(szFile, wfd.cFileName);
 999         file = &flList->feFiles[(*pdwListIndex)++];
1000         add_file_to_entry(file, szFullPath);
1001         file->bFromWildcard = TRUE;
1002         file->attributes = wfd.dwFileAttributes;
1003         if (IsAttribDir(file->attributes)) flList->bAnyDirectories = TRUE;
1004         HeapFree(GetProcessHeap(), 0, szFullPath);
1005     }
1006
1007     FindClose(hFile);
1008 }
1009
1010 /* takes the null-separated file list and fills out the FILE_LIST */
1011 static HRESULT parse_file_list(FILE_LIST *flList, LPCWSTR szFiles)
1012 {
1013     LPCWSTR ptr = szFiles;
1014     WCHAR szCurFile[MAX_PATH];
1015     DWORD i = 0, dwDirLen;
1016
1017     if (!szFiles)
1018         return ERROR_INVALID_PARAMETER;
1019
1020     flList->bAnyFromWildcard = FALSE;
1021     flList->bAnyDirectories = FALSE;
1022     flList->bAnyDontExist = FALSE;
1023     flList->num_alloc = 32;
1024     flList->dwNumFiles = 0;
1025
1026     /* empty list */
1027     if (!szFiles[0])
1028         return ERROR_ACCESS_DENIED;
1029
1030     flList->feFiles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1031                                 flList->num_alloc * sizeof(FILE_ENTRY));
1032
1033     while (*ptr)
1034     {
1035         if (i >= flList->num_alloc) grow_list( flList );
1036
1037         /* change relative to absolute path */
1038         if (PathIsRelativeW(ptr))
1039         {
1040             dwDirLen = GetCurrentDirectoryW(MAX_PATH, szCurFile) + 1;
1041             PathCombineW(szCurFile, szCurFile, ptr);
1042             flList->feFiles[i].bFromRelative = TRUE;
1043         }
1044         else
1045         {
1046             lstrcpyW(szCurFile, ptr);
1047             flList->feFiles[i].bFromRelative = FALSE;
1048         }
1049
1050         /* parse wildcard files if they are in the filename */
1051         if (StrPBrkW(szCurFile, wWildcardChars))
1052         {
1053             parse_wildcard_files(flList, szCurFile, &i);
1054             flList->bAnyFromWildcard = TRUE;
1055             i--;
1056         }
1057         else
1058         {
1059             FILE_ENTRY *file = &flList->feFiles[i];
1060             add_file_to_entry(file, szCurFile);
1061             file->attributes = GetFileAttributesW( file->szFullPath );
1062             file->bExists = (file->attributes != INVALID_FILE_ATTRIBUTES);
1063             if (!file->bExists) flList->bAnyDontExist = TRUE;
1064             if (IsAttribDir(file->attributes)) flList->bAnyDirectories = TRUE;
1065         }
1066
1067         /* advance to the next string */
1068         ptr += lstrlenW(ptr) + 1;
1069         i++;
1070     }
1071     flList->dwNumFiles = i;
1072
1073     return S_OK;
1074 }
1075
1076 /* free the FILE_LIST */
1077 static void destroy_file_list(FILE_LIST *flList)
1078 {
1079     DWORD i;
1080
1081     if (!flList || !flList->feFiles)
1082         return;
1083
1084     for (i = 0; i < flList->dwNumFiles; i++)
1085     {
1086         HeapFree(GetProcessHeap(), 0, flList->feFiles[i].szDirectory);
1087         HeapFree(GetProcessHeap(), 0, flList->feFiles[i].szFilename);
1088         HeapFree(GetProcessHeap(), 0, flList->feFiles[i].szFullPath);
1089     }
1090
1091     HeapFree(GetProcessHeap(), 0, flList->feFiles);
1092 }
1093
1094 static void copy_dir_to_dir(FILE_OPERATION *op, FILE_ENTRY *feFrom, LPWSTR szDestPath)
1095 {
1096     WCHAR szFrom[MAX_PATH], szTo[MAX_PATH];
1097     SHFILEOPSTRUCTW fileOp;
1098
1099     static const WCHAR wildCardFiles[] = {'*','.','*',0};
1100
1101     if (IsDotDir(feFrom->szFilename))
1102         return;
1103
1104     if (PathFileExistsW(szDestPath))
1105         PathCombineW(szTo, szDestPath, feFrom->szFilename);
1106     else
1107         lstrcpyW(szTo, szDestPath);
1108
1109     if (!(op->req->fFlags & FOF_NOCONFIRMATION) && PathFileExistsW(szTo)) {
1110         if (!SHELL_ConfirmDialogW(op->req->hwnd, ASK_OVERWRITE_FOLDER, feFrom->szFilename, op))
1111         {
1112             /* Vista returns an ERROR_CANCELLED even if user pressed "No" */
1113             if (!op->bManyItems)
1114                 op->bCancelled = TRUE;
1115             return;
1116         }
1117     }
1118
1119     szTo[lstrlenW(szTo) + 1] = '\0';
1120     SHNotifyCreateDirectoryW(szTo, NULL);
1121
1122     PathCombineW(szFrom, feFrom->szFullPath, wildCardFiles);
1123     szFrom[lstrlenW(szFrom) + 1] = '\0';
1124
1125     memcpy(&fileOp, op->req, sizeof(fileOp));
1126     fileOp.pFrom = szFrom;
1127     fileOp.pTo = szTo;
1128     fileOp.fFlags &= ~FOF_MULTIDESTFILES; /* we know we're copying to one dir */
1129
1130     /* Don't ask the user about overwriting files when he accepted to overwrite the
1131        folder. FIXME: this is not exactly what Windows does - e.g. there would be
1132        an additional confirmation for a nested folder */
1133     fileOp.fFlags |= FOF_NOCONFIRMATION;
1134
1135     SHFileOperationW(&fileOp);
1136 }
1137
1138 static BOOL copy_file_to_file(FILE_OPERATION *op, WCHAR *szFrom, WCHAR *szTo)
1139 {
1140     if (!(op->req->fFlags & FOF_NOCONFIRMATION) && PathFileExistsW(szTo))
1141     {
1142         if (!SHELL_ConfirmDialogW(op->req->hwnd, ASK_OVERWRITE_FILE, PathFindFileNameW(szTo), op))
1143             return 0;
1144     }
1145
1146     return SHNotifyCopyFileW(szFrom, szTo, FALSE) == 0;
1147 }
1148
1149 /* copy a file or directory to another directory */
1150 static void copy_to_dir(FILE_OPERATION *op, FILE_ENTRY *feFrom, FILE_ENTRY *feTo)
1151 {
1152     if (!PathFileExistsW(feTo->szFullPath))
1153         SHNotifyCreateDirectoryW(feTo->szFullPath, NULL);
1154
1155     if (IsAttribFile(feFrom->attributes))
1156     {
1157         WCHAR szDestPath[MAX_PATH];
1158
1159         PathCombineW(szDestPath, feTo->szFullPath, feFrom->szFilename);
1160         copy_file_to_file(op, feFrom->szFullPath, szDestPath);
1161     }
1162     else if (!(op->req->fFlags & FOF_FILESONLY && feFrom->bFromWildcard))
1163         copy_dir_to_dir(op, feFrom, feTo->szFullPath);
1164 }
1165
1166 static void create_dest_dirs(LPWSTR szDestDir)
1167 {
1168     WCHAR dir[MAX_PATH];
1169     LPWSTR ptr = StrChrW(szDestDir, '\\');
1170
1171     /* make sure all directories up to last one are created */
1172     while (ptr && (ptr = StrChrW(ptr + 1, '\\')))
1173     {
1174         lstrcpynW(dir, szDestDir, ptr - szDestDir + 1);
1175
1176         if (!PathFileExistsW(dir))
1177             SHNotifyCreateDirectoryW(dir, NULL);
1178     }
1179
1180     /* create last directory */
1181     if (!PathFileExistsW(szDestDir))
1182         SHNotifyCreateDirectoryW(szDestDir, NULL);
1183 }
1184
1185 /* the FO_COPY operation */
1186 static HRESULT copy_files(FILE_OPERATION *op, FILE_LIST *flFrom, FILE_LIST *flTo)
1187 {
1188     DWORD i;
1189     FILE_ENTRY *entryToCopy;
1190     FILE_ENTRY *fileDest = &flTo->feFiles[0];
1191     BOOL bCancelIfAnyDirectories = FALSE;
1192
1193     if (flFrom->bAnyDontExist)
1194         return ERROR_SHELL_INTERNAL_FILE_NOT_FOUND;
1195
1196     if (op->req->fFlags & FOF_MULTIDESTFILES && flFrom->bAnyFromWildcard)
1197         return ERROR_CANCELLED;
1198
1199     if (!(op->req->fFlags & FOF_MULTIDESTFILES) && flTo->dwNumFiles != 1)
1200         return ERROR_CANCELLED;
1201
1202     if (op->req->fFlags & FOF_MULTIDESTFILES && flFrom->dwNumFiles != 1 &&
1203         flFrom->dwNumFiles != flTo->dwNumFiles)
1204     {
1205         return ERROR_CANCELLED;
1206     }
1207
1208     if (flFrom->dwNumFiles > 1 && flTo->dwNumFiles == 1 &&
1209         !PathFileExistsW(flTo->feFiles[0].szFullPath) &&
1210         IsAttribFile(fileDest->attributes))
1211     {
1212         bCancelIfAnyDirectories = TRUE;
1213     }
1214
1215     if (flFrom->dwNumFiles > 1 && flTo->dwNumFiles == 1 && fileDest->bFromRelative &&
1216         !PathFileExistsW(fileDest->szFullPath))
1217     {
1218         op->req->fAnyOperationsAborted = TRUE;
1219         return ERROR_CANCELLED;
1220     }
1221
1222     if (!(op->req->fFlags & FOF_MULTIDESTFILES) && flFrom->dwNumFiles != 1 &&
1223         PathFileExistsW(fileDest->szFullPath) &&
1224         IsAttribFile(fileDest->attributes))
1225     {
1226         return ERROR_CANCELLED;
1227     }
1228
1229     for (i = 0; i < flFrom->dwNumFiles; i++)
1230     {
1231         entryToCopy = &flFrom->feFiles[i];
1232
1233         if (op->req->fFlags & FOF_MULTIDESTFILES)
1234             fileDest = &flTo->feFiles[i];
1235
1236         if (IsAttribDir(entryToCopy->attributes) &&
1237             !lstrcmpiW(entryToCopy->szFullPath, fileDest->szDirectory))
1238         {
1239             return ERROR_SUCCESS;
1240         }
1241
1242         if (IsAttribDir(entryToCopy->attributes) && bCancelIfAnyDirectories)
1243             return ERROR_CANCELLED;
1244
1245         create_dest_dirs(fileDest->szDirectory);
1246
1247         if (!lstrcmpiW(entryToCopy->szFullPath, fileDest->szFullPath))
1248         {
1249             if (IsAttribFile(entryToCopy->attributes))
1250                 return ERROR_NO_MORE_SEARCH_HANDLES;
1251             else
1252                 return ERROR_SUCCESS;
1253         }
1254
1255         if ((flFrom->dwNumFiles > 1 && flTo->dwNumFiles == 1) ||
1256             (flFrom->dwNumFiles == 1 && IsAttribDir(fileDest->attributes)))
1257         {
1258             copy_to_dir(op, entryToCopy, fileDest);
1259         }
1260         else if (IsAttribDir(entryToCopy->attributes))
1261         {
1262             copy_dir_to_dir(op, entryToCopy, fileDest->szFullPath);
1263         }
1264         else
1265         {
1266             if (!copy_file_to_file(op, entryToCopy->szFullPath, fileDest->szFullPath))
1267             {
1268                 op->req->fAnyOperationsAborted = TRUE;
1269                 return ERROR_CANCELLED;
1270             }
1271         }
1272
1273         /* Vista return code. XP would return e.g. ERROR_FILE_NOT_FOUND, ERROR_ALREADY_EXISTS */
1274         if (op->bCancelled)
1275             return ERROR_CANCELLED;
1276     }
1277
1278     /* Vista return code. On XP if the used pressed "No" for the last item,
1279      * ERROR_ARENA_TRASHED would be returned */
1280     return ERROR_SUCCESS;
1281 }
1282
1283 static BOOL confirm_delete_list(HWND hWnd, DWORD fFlags, BOOL fTrash, FILE_LIST *flFrom)
1284 {
1285     if (flFrom->dwNumFiles > 1)
1286     {
1287         WCHAR tmp[8];
1288         const WCHAR format[] = {'%','d',0};
1289
1290         wnsprintfW(tmp, sizeof(tmp)/sizeof(tmp[0]), format, flFrom->dwNumFiles);
1291         return SHELL_ConfirmDialogW(hWnd, (fTrash?ASK_TRASH_MULTIPLE_ITEM:ASK_DELETE_MULTIPLE_ITEM), tmp, NULL);
1292     }
1293     else
1294     {
1295         FILE_ENTRY *fileEntry = &flFrom->feFiles[0];
1296
1297         if (IsAttribFile(fileEntry->attributes))
1298             return SHELL_ConfirmDialogW(hWnd, (fTrash?ASK_TRASH_FILE:ASK_DELETE_FILE), fileEntry->szFullPath, NULL);
1299         else if (!(fFlags & FOF_FILESONLY && fileEntry->bFromWildcard))
1300             return SHELL_ConfirmDialogW(hWnd, (fTrash?ASK_TRASH_FOLDER:ASK_DELETE_FOLDER), fileEntry->szFullPath, NULL);
1301     }
1302     return TRUE;
1303 }
1304
1305 /* the FO_DELETE operation */
1306 static HRESULT delete_files(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom)
1307 {
1308     FILE_ENTRY *fileEntry;
1309     DWORD i;
1310     BOOL bPathExists;
1311     BOOL bTrash;
1312
1313     if (!flFrom->dwNumFiles)
1314         return ERROR_SUCCESS;
1315
1316     /* Windows also checks only the first item */
1317     bTrash = (lpFileOp->fFlags & FOF_ALLOWUNDO)
1318         && TRASH_CanTrashFile(flFrom->feFiles[0].szFullPath);
1319
1320     if (!(lpFileOp->fFlags & FOF_NOCONFIRMATION) || (!bTrash && lpFileOp->fFlags & FOF_WANTNUKEWARNING))
1321         if (!confirm_delete_list(lpFileOp->hwnd, lpFileOp->fFlags, bTrash, flFrom))
1322         {
1323             lpFileOp->fAnyOperationsAborted = TRUE;
1324             return 0;
1325         }
1326
1327     for (i = 0; i < flFrom->dwNumFiles; i++)
1328     {
1329         bPathExists = TRUE;
1330         fileEntry = &flFrom->feFiles[i];
1331
1332         if (!IsAttribFile(fileEntry->attributes) &&
1333             (lpFileOp->fFlags & FOF_FILESONLY && fileEntry->bFromWildcard))
1334             continue;
1335
1336         if (bTrash)
1337         {
1338             BOOL bDelete;
1339             if (TRASH_TrashFile(fileEntry->szFullPath))
1340                 continue;
1341
1342             /* Note: Windows silently deletes the file in such a situation, we show a dialog */
1343             if (!(lpFileOp->fFlags & FOF_NOCONFIRMATION) || (lpFileOp->fFlags & FOF_WANTNUKEWARNING))
1344                 bDelete = SHELL_ConfirmDialogW(lpFileOp->hwnd, ASK_CANT_TRASH_ITEM, fileEntry->szFullPath, NULL);
1345             else
1346                 bDelete = TRUE;
1347
1348             if (!bDelete)
1349             {
1350                 lpFileOp->fAnyOperationsAborted = TRUE;
1351                 break;
1352             }
1353         }
1354
1355         /* delete the file or directory */
1356         if (IsAttribFile(fileEntry->attributes))
1357             bPathExists = DeleteFileW(fileEntry->szFullPath);
1358         else
1359             bPathExists = SHELL_DeleteDirectoryW(lpFileOp->hwnd, fileEntry->szFullPath, FALSE);
1360
1361         if (!bPathExists)
1362             return ERROR_PATH_NOT_FOUND;
1363     }
1364
1365     return ERROR_SUCCESS;
1366 }
1367
1368 static void move_dir_to_dir(LPSHFILEOPSTRUCTW lpFileOp, FILE_ENTRY *feFrom, LPWSTR szDestPath)
1369 {
1370     WCHAR szFrom[MAX_PATH], szTo[MAX_PATH];
1371     SHFILEOPSTRUCTW fileOp;
1372
1373     static const WCHAR wildCardFiles[] = {'*','.','*',0};
1374
1375     if (IsDotDir(feFrom->szFilename))
1376         return;
1377
1378     SHNotifyCreateDirectoryW(szDestPath, NULL);
1379
1380     PathCombineW(szFrom, feFrom->szFullPath, wildCardFiles);
1381     szFrom[lstrlenW(szFrom) + 1] = '\0';
1382
1383     lstrcpyW(szTo, szDestPath);
1384     szTo[lstrlenW(szDestPath) + 1] = '\0';
1385
1386     memcpy(&fileOp, lpFileOp, sizeof(fileOp));
1387     fileOp.pFrom = szFrom;
1388     fileOp.pTo = szTo;
1389
1390     SHFileOperationW(&fileOp);
1391 }
1392
1393 /* moves a file or directory to another directory */
1394 static void move_to_dir(LPSHFILEOPSTRUCTW lpFileOp, FILE_ENTRY *feFrom, FILE_ENTRY *feTo)
1395 {
1396     WCHAR szDestPath[MAX_PATH];
1397
1398     PathCombineW(szDestPath, feTo->szFullPath, feFrom->szFilename);
1399
1400     if (IsAttribFile(feFrom->attributes))
1401         SHNotifyMoveFileW(feFrom->szFullPath, szDestPath);
1402     else if (!(lpFileOp->fFlags & FOF_FILESONLY && feFrom->bFromWildcard))
1403         move_dir_to_dir(lpFileOp, feFrom, szDestPath);
1404 }
1405
1406 /* the FO_MOVE operation */
1407 static HRESULT move_files(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom, FILE_LIST *flTo)
1408 {
1409     DWORD i;
1410     FILE_ENTRY *entryToMove;
1411     FILE_ENTRY *fileDest;
1412
1413     if (!flFrom->dwNumFiles || !flTo->dwNumFiles)
1414         return ERROR_CANCELLED;
1415
1416     if (!(lpFileOp->fFlags & FOF_MULTIDESTFILES) &&
1417         flTo->dwNumFiles > 1 && flFrom->dwNumFiles > 1)
1418     {
1419         return ERROR_CANCELLED;
1420     }
1421
1422     if (!(lpFileOp->fFlags & FOF_MULTIDESTFILES) &&
1423         !flFrom->bAnyDirectories &&
1424         flFrom->dwNumFiles > flTo->dwNumFiles)
1425     {
1426         return ERROR_CANCELLED;
1427     }
1428
1429     if (!PathFileExistsW(flTo->feFiles[0].szDirectory))
1430         return ERROR_CANCELLED;
1431
1432     if ((lpFileOp->fFlags & FOF_MULTIDESTFILES) &&
1433         flFrom->dwNumFiles != flTo->dwNumFiles)
1434     {
1435         return ERROR_CANCELLED;
1436     }
1437
1438     fileDest = &flTo->feFiles[0];
1439     for (i = 0; i < flFrom->dwNumFiles; i++)
1440     {
1441         entryToMove = &flFrom->feFiles[i];
1442
1443         if (lpFileOp->fFlags & FOF_MULTIDESTFILES)
1444             fileDest = &flTo->feFiles[i];
1445
1446         if (!PathFileExistsW(fileDest->szDirectory))
1447             return ERROR_CANCELLED;
1448
1449         if (fileDest->bExists && IsAttribDir(fileDest->attributes))
1450             move_to_dir(lpFileOp, entryToMove, fileDest);
1451         else
1452             SHNotifyMoveFileW(entryToMove->szFullPath, fileDest->szFullPath);
1453     }
1454
1455     return ERROR_SUCCESS;
1456 }
1457
1458 /* the FO_RENAME files */
1459 static HRESULT rename_files(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom, FILE_LIST *flTo)
1460 {
1461     FILE_ENTRY *feFrom;
1462     FILE_ENTRY *feTo;
1463
1464     if (flFrom->dwNumFiles != 1)
1465         return ERROR_GEN_FAILURE;
1466
1467     if (flTo->dwNumFiles != 1)
1468         return ERROR_CANCELLED;
1469
1470     feFrom = &flFrom->feFiles[0];
1471     feTo= &flTo->feFiles[0];
1472
1473     /* fail if destination doesn't exist */
1474     if (!feFrom->bExists)
1475         return ERROR_SHELL_INTERNAL_FILE_NOT_FOUND;
1476
1477     /* fail if destination already exists */
1478     if (feTo->bExists)
1479         return ERROR_ALREADY_EXISTS;
1480
1481     return SHNotifyMoveFileW(feFrom->szFullPath, feTo->szFullPath);
1482 }
1483
1484 /* alert the user if an unsupported flag is used */
1485 static void check_flags(FILEOP_FLAGS fFlags)
1486 {
1487     WORD wUnsupportedFlags = FOF_NO_CONNECTED_ELEMENTS |
1488         FOF_NOCOPYSECURITYATTRIBS | FOF_NORECURSEREPARSE |
1489         FOF_RENAMEONCOLLISION | FOF_WANTMAPPINGHANDLE;
1490
1491     if (fFlags & wUnsupportedFlags)
1492         FIXME("Unsupported flags: %04x\n", fFlags);
1493 }
1494
1495 /*************************************************************************
1496  * SHFileOperationW          [SHELL32.@]
1497  *
1498  * See SHFileOperationA
1499  */
1500 int WINAPI SHFileOperationW(LPSHFILEOPSTRUCTW lpFileOp)
1501 {
1502     FILE_OPERATION op;
1503     FILE_LIST flFrom, flTo;
1504     int ret = 0;
1505
1506     if (!lpFileOp)
1507         return ERROR_INVALID_PARAMETER;
1508
1509     check_flags(lpFileOp->fFlags);
1510
1511     ZeroMemory(&flFrom, sizeof(FILE_LIST));
1512     ZeroMemory(&flTo, sizeof(FILE_LIST));
1513
1514     if ((ret = parse_file_list(&flFrom, lpFileOp->pFrom)))
1515         return ret;
1516
1517     if (lpFileOp->wFunc != FO_DELETE)
1518         parse_file_list(&flTo, lpFileOp->pTo);
1519
1520     ZeroMemory(&op, sizeof(op));
1521     op.req = lpFileOp;
1522     op.bManyItems = (flFrom.dwNumFiles > 1);
1523
1524     switch (lpFileOp->wFunc)
1525     {
1526         case FO_COPY:
1527             ret = copy_files(&op, &flFrom, &flTo);
1528             break;
1529         case FO_DELETE:
1530             ret = delete_files(lpFileOp, &flFrom);
1531             break;
1532         case FO_MOVE:
1533             ret = move_files(lpFileOp, &flFrom, &flTo);
1534             break;
1535         case FO_RENAME:
1536             ret = rename_files(lpFileOp, &flFrom, &flTo);
1537             break;
1538         default:
1539             ret = ERROR_INVALID_PARAMETER;
1540             break;
1541     }
1542
1543     destroy_file_list(&flFrom);
1544
1545     if (lpFileOp->wFunc != FO_DELETE)
1546         destroy_file_list(&flTo);
1547
1548     if (ret == ERROR_CANCELLED)
1549         lpFileOp->fAnyOperationsAborted = TRUE;
1550
1551     return ret;
1552 }
1553
1554 #define SHDSA_GetItemCount(hdsa) (*(int*)(hdsa))
1555
1556 /*************************************************************************
1557  * SHFreeNameMappings      [shell32.246]
1558  *
1559  * Free the mapping handle returned by SHFileoperation if FOF_WANTSMAPPINGHANDLE
1560  * was specified.
1561  *
1562  * PARAMS
1563  *  hNameMapping [I] handle to the name mappings used during renaming of files
1564  *
1565  * RETURNS
1566  *  Nothing
1567  */
1568 void WINAPI SHFreeNameMappings(HANDLE hNameMapping)
1569 {
1570         if (hNameMapping)
1571         {
1572           int i = SHDSA_GetItemCount((HDSA)hNameMapping) - 1;
1573
1574           for (; i>= 0; i--)
1575           {
1576             LPSHNAMEMAPPINGW lp = DSA_GetItemPtr((HDSA)hNameMapping, i);
1577
1578             SHFree(lp->pszOldPath);
1579             SHFree(lp->pszNewPath);
1580           }
1581           DSA_Destroy((HDSA)hNameMapping);
1582         }
1583 }
1584
1585 /*************************************************************************
1586  * SheGetDirA [SHELL32.@]
1587  *
1588  */
1589 HRESULT WINAPI SheGetDirA(LPSTR u, LPSTR v)
1590 {   FIXME("%p %p stub\n",u,v);
1591     return 0;
1592 }
1593
1594 /*************************************************************************
1595  * SheGetDirW [SHELL32.@]
1596  *
1597  */
1598 HRESULT WINAPI SheGetDirW(LPWSTR u, LPWSTR v)
1599 {       FIXME("%p %p stub\n",u,v);
1600         return 0;
1601 }
1602
1603 /*************************************************************************
1604  * SheChangeDirA [SHELL32.@]
1605  *
1606  */
1607 HRESULT WINAPI SheChangeDirA(LPSTR u)
1608 {   FIXME("(%s),stub\n",debugstr_a(u));
1609     return 0;
1610 }
1611
1612 /*************************************************************************
1613  * SheChangeDirW [SHELL32.@]
1614  *
1615  */
1616 HRESULT WINAPI SheChangeDirW(LPWSTR u)
1617 {       FIXME("(%s),stub\n",debugstr_w(u));
1618         return 0;
1619 }
1620
1621 /*************************************************************************
1622  * IsNetDrive                   [SHELL32.66]
1623  */
1624 BOOL WINAPI IsNetDrive(DWORD drive)
1625 {
1626         char root[4];
1627         strcpy(root, "A:\\");
1628         root[0] += (char)drive;
1629         return (GetDriveTypeA(root) == DRIVE_REMOTE);
1630 }
1631
1632
1633 /*************************************************************************
1634  * RealDriveType                [SHELL32.524]
1635  */
1636 INT WINAPI RealDriveType(INT drive, BOOL bQueryNet)
1637 {
1638     char root[] = "A:\\";
1639     root[0] += (char)drive;
1640     return GetDriveTypeA(root);
1641 }