dlls/shell32/brsfolder.c

   1 /*
   2  * Copyright 1999 Juergen Schmied
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  *
  18  * FIXME:
  19  *  - many memory leaks
  20  *  - many flags unimplemented
  21  *    - implement editbox
  22  */
  23
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27 #define COBJMACROS
  28 #define NONAMELESSUNION
  29 #define NONAMELESSSTRUCT
  30
  31 #include "wine/debug.h"
  32 #include "undocshell.h"
  33 #include "pidl.h"
  34 #include "shell32_main.h"
  35 #include "shellapi.h"
  36 #include "shresdef.h"
  37 #include "shellfolder.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  40
  41 /* original margins and control size */
  42 typedef struct tagLAYOUT_DATA
  43 {
  44     LONG left, width, right;
  45     LONG top, height, bottom;
  46 } LAYOUT_DATA;
  47
  48 typedef struct tagbrowse_info
  49 {
  50     HWND          hWnd;
  51     HWND          hwndTreeView;
  52     LPBROWSEINFOW lpBrowseInfo;
  53     LPITEMIDLIST  pidlRet;
  54     LAYOUT_DATA  *layout;  /* filled by LayoutInit, used by LayoutUpdate */
  55     SIZE          szMin;
  56 } browse_info;
  57
  58 typedef struct tagTV_ITEMDATA
  59 {
  60    LPSHELLFOLDER lpsfParent; /* IShellFolder of the parent */
  61    LPITEMIDLIST  lpi;        /* PIDL relative to parent */
  62    LPITEMIDLIST  lpifq;      /* Fully qualified PIDL */
  63    IEnumIDList*  pEnumIL;    /* Children iterator */
  64 } TV_ITEMDATA, *LPTV_ITEMDATA;
  65
  66 typedef struct tagLAYOUT_INFO
  67 {
  68     int iItemId;          /* control id */
  69     DWORD dwAnchor;       /* BF_* flags specifying which margins should remain constant */
  70 } LAYOUT_INFO;
  71
  72 static const LAYOUT_INFO g_layout_info[] =
  73 {
  74     {IDD_TITLE,         BF_TOP|BF_LEFT|BF_RIGHT},
  75     {IDD_STATUS,        BF_TOP|BF_LEFT|BF_RIGHT},
  76     {IDD_FOLDER,        BF_TOP|BF_LEFT|BF_RIGHT},
  77     {IDD_TREEVIEW,      BF_TOP|BF_BOTTOM|BF_LEFT|BF_RIGHT},
  78     {IDD_FOLDER,        BF_BOTTOM|BF_LEFT},
  79     {IDD_FOLDERTEXT,    BF_BOTTOM|BF_LEFT|BF_RIGHT},
  80     {IDD_MAKENEWFOLDER, BF_BOTTOM|BF_LEFT},
  81     {IDOK,              BF_BOTTOM|BF_RIGHT},
  82     {IDCANCEL,          BF_BOTTOM|BF_RIGHT}
  83 };
  84
  85 #define LAYOUT_INFO_COUNT (sizeof(g_layout_info)/sizeof(g_layout_info[0]))
  86
  87 #define SUPPORTEDFLAGS (BIF_STATUSTEXT | \
  88                         BIF_BROWSEFORCOMPUTER | \
  89                         BIF_RETURNFSANCESTORS | \
  90                         BIF_RETURNONLYFSDIRS | \
  91                         BIF_NONEWFOLDERBUTTON | \
  92                         BIF_NEWDIALOGSTYLE | \
  93                         BIF_BROWSEINCLUDEFILES)
  94
  95 static void FillTreeView(browse_info*, LPSHELLFOLDER,
  96                LPITEMIDLIST, HTREEITEM, IEnumIDList*);
  97 static HTREEITEM InsertTreeViewItem( browse_info*, IShellFolder *,
  98                LPCITEMIDLIST, LPCITEMIDLIST, IEnumIDList*, HTREEITEM);
  99
 100 static const WCHAR szBrowseFolderInfo[] = {
 101     '_','_','W','I','N','E','_',
 102     'B','R','S','F','O','L','D','E','R','D','L','G','_',
 103     'I','N','F','O',0
 104 };
 105
 106 static inline DWORD BrowseFlagsToSHCONTF(UINT ulFlags)
 107 {
 108     return SHCONTF_FOLDERS | (ulFlags & BIF_BROWSEINCLUDEFILES ? SHCONTF_NONFOLDERS : 0);
 109 }
 110
 111 static void browsefolder_callback( LPBROWSEINFOW lpBrowseInfo, HWND hWnd,
 112                                    UINT msg, LPARAM param )
 113 {
 114     if (!lpBrowseInfo->lpfn)
 115         return;
 116     lpBrowseInfo->lpfn( hWnd, msg, param, lpBrowseInfo->lParam );
 117 }
 118
 119 static LAYOUT_DATA *LayoutInit(HWND hwnd, const LAYOUT_INFO *layout_info, int layout_count)
 120 {
 121     LAYOUT_DATA *data;
 122     RECT rcWnd;
 123     int i;
 124
 125     GetClientRect(hwnd, &rcWnd);
 126     data = SHAlloc(sizeof(LAYOUT_DATA)*layout_count);
 127     for (i = 0; i < layout_count; i++)
 128     {
 129         RECT r;
 130         HWND hItem = GetDlgItem(hwnd, layout_info[i].iItemId);
 131
 132         if (hItem == NULL)
 133             ERR("Item %d not found\n", i);
 134         GetWindowRect(hItem, &r);
 135         MapWindowPoints(HWND_DESKTOP, hwnd, (LPPOINT)&r, 2);
 136
 137         data[i].left = r.left;
 138         data[i].right = rcWnd.right - r.right;
 139         data[i].width = r.right - r.left;
 140
 141         data[i].top = r.top;
 142         data[i].bottom = rcWnd.bottom - r.bottom;
 143         data[i].height = r.bottom - r.top;
 144     }
 145     return data;
 146 }
 147
 148 static void LayoutUpdate(HWND hwnd, LAYOUT_DATA *data, const LAYOUT_INFO *layout_info, int layout_count)
 149 {
 150     RECT rcWnd;
 151     int i;
 152
 153     GetClientRect(hwnd, &rcWnd);
 154     for (i = 0; i < layout_count; i++)
 155     {
 156         RECT r;
 157         HWND hItem = GetDlgItem(hwnd, layout_info[i].iItemId);
 158
 159         GetWindowRect(hItem, &r);
 160         MapWindowPoints(HWND_DESKTOP, hwnd, (LPPOINT)&r, 2);
 161
 162         if (layout_info[i].dwAnchor & BF_RIGHT)
 163         {
 164             r.right = rcWnd.right - data[i].right;
 165             if (!(layout_info[i].dwAnchor & BF_LEFT))
 166                 r.left = r.right - data[i].width;
 167         }
 168
 169         if (layout_info[i].dwAnchor & BF_BOTTOM)
 170         {
 171             r.bottom = rcWnd.bottom - data[i].bottom;
 172             if (!(layout_info[i].dwAnchor & BF_TOP))
 173                 r.top = r.bottom - data[i].height;
 174         }
 175
 176         SetWindowPos(hItem, NULL, r.left, r.top, r.right - r.left, r.bottom - r.top, SWP_NOZORDER);
 177     }
 178 }
 179
 180
 181 /******************************************************************************
 182  * InitializeTreeView [Internal]
 183  *
 184  * Called from WM_INITDIALOG handler.
 185  *
 186  * PARAMS
 187  *  hwndParent [I] The BrowseForFolder dialog
 188  *  root       [I] ITEMIDLIST of the root shell folder
 189  */
 190 static void InitializeTreeView( browse_info *info )
 191 {
 192     LPITEMIDLIST pidlParent, pidlChild;
 193     HIMAGELIST hImageList;
 194     HRESULT hr;
 195     IShellFolder *lpsfParent, *lpsfRoot;
 196     IEnumIDList * pEnumChildren = NULL;
 197     HTREEITEM item;
 198     DWORD flags;
 199     LPCITEMIDLIST root = info->lpBrowseInfo->pidlRoot;
 200
 201     TRACE("%p\n", info );
 202
 203     Shell_GetImageLists(NULL, &hImageList);
 204
 205     if (hImageList)
 206         SendMessageW( info->hwndTreeView, TVM_SETIMAGELIST, 0, (LPARAM)hImageList );
 207
 208     /* We want to call InsertTreeViewItem down the code, in order to insert
 209      * the root item of the treeview. Due to InsertTreeViewItem's signature,
 210      * we need the following to do this:
 211      *
 212      * + An ITEMIDLIST corresponding to _the parent_ of root.
 213      * + An ITEMIDLIST, which is a relative path from root's parent to root
 214      *   (containing a single SHITEMID).
 215      * + An IShellFolder interface pointer of root's parent folder.
 216      *
 217      * If root is 'Desktop', then root's parent is also 'Desktop'.
 218      */
 219
 220     pidlParent = ILClone(root);
 221     ILRemoveLastID(pidlParent);
 222     pidlChild = ILClone(ILFindLastID(root));
 223
 224     if (_ILIsDesktop(pidlParent)) {
 225         hr = SHGetDesktopFolder(&lpsfParent);
 226     } else {
 227         IShellFolder *lpsfDesktop;
 228         hr = SHGetDesktopFolder(&lpsfDesktop);
 229         if (FAILED(hr)) {
 230             WARN("SHGetDesktopFolder failed! hr = %08x\n", hr);
 231             ILFree(pidlChild);
 232             ILFree(pidlParent);
 233             return;
 234         }
 235         hr = IShellFolder_BindToObject(lpsfDesktop, pidlParent, 0, &IID_IShellFolder, (LPVOID*)&lpsfParent);
 236         IShellFolder_Release(lpsfDesktop);
 237     }
 238
 239     if (FAILED(hr)) {
 240         WARN("Could not bind to parent shell folder! hr = %08x\n", hr);
 241         ILFree(pidlChild);
 242         ILFree(pidlParent);
 243         return;
 244     }
 245
 246     if (!_ILIsEmpty(pidlChild)) {
 247         hr = IShellFolder_BindToObject(lpsfParent, pidlChild, 0, &IID_IShellFolder, (LPVOID*)&lpsfRoot);
 248     } else {
 249         lpsfRoot = lpsfParent;
 250         hr = IShellFolder_AddRef(lpsfParent);
 251     }
 252
 253     if (FAILED(hr)) {
 254         WARN("Could not bind to root shell folder! hr = %08x\n", hr);
 255         IShellFolder_Release(lpsfParent);
 256         ILFree(pidlChild);
 257         ILFree(pidlParent);
 258         return;
 259     }
 260
 261     flags = BrowseFlagsToSHCONTF( info->lpBrowseInfo->ulFlags );
 262     hr = IShellFolder_EnumObjects( lpsfRoot, info->hWnd, flags, &pEnumChildren );
 263     if (FAILED(hr)) {
 264         WARN("Could not get child iterator! hr = %08x\n", hr);
 265         IShellFolder_Release(lpsfParent);
 266         IShellFolder_Release(lpsfRoot);
 267         ILFree(pidlChild);
 268         ILFree(pidlParent);
 269         return;
 270     }
 271
 272     SendMessageW( info->hwndTreeView, TVM_DELETEITEM, 0, (LPARAM)TVI_ROOT );
 273     item = InsertTreeViewItem( info, lpsfParent, pidlChild,
 274                                pidlParent, pEnumChildren, TVI_ROOT );
 275     SendMessageW( info->hwndTreeView, TVM_EXPAND, TVE_EXPAND, (LPARAM)item );
 276
 277     ILFree(pidlChild);
 278     ILFree(pidlParent);
 279     IShellFolder_Release(lpsfRoot);
 280     IShellFolder_Release(lpsfParent);
 281 }
 282
 283 static int GetIcon(LPCITEMIDLIST lpi, UINT uFlags)
 284 {
 285     SHFILEINFOW sfi;
 286     SHGetFileInfoW((LPCWSTR)lpi, 0 ,&sfi, sizeof(SHFILEINFOW), uFlags);
 287     return sfi.iIcon;
 288 }
 289
 290 static void GetNormalAndSelectedIcons(LPITEMIDLIST lpifq, LPTVITEMW lpTV_ITEM)
 291 {
 292     LPITEMIDLIST pidlDesktop = NULL;
 293     DWORD flags;
 294
 295     TRACE("%p %p\n",lpifq, lpTV_ITEM);
 296
 297     if (!lpifq)
 298     {
 299         pidlDesktop = _ILCreateDesktop();
 300         lpifq = pidlDesktop;
 301     }
 302
 303     flags = SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON;
 304     lpTV_ITEM->iImage = GetIcon( lpifq, flags );
 305
 306     flags = SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON | SHGFI_OPENICON;
 307     lpTV_ITEM->iSelectedImage = GetIcon( lpifq, flags );
 308
 309     if (pidlDesktop)
 310         ILFree( pidlDesktop );
 311 }
 312
 313 /******************************************************************************
 314  * GetName [Internal]
 315  *
 316  * Query a shell folder for the display name of one of it's children
 317  *
 318  * PARAMS
 319  *  lpsf           [I] IShellFolder interface of the folder to be queried.
 320  *  lpi            [I] ITEMIDLIST of the child, relative to parent
 321  *  dwFlags        [I] as in IShellFolder::GetDisplayNameOf
 322  *  lpFriendlyName [O] The desired display name in unicode
 323  *
 324  * RETURNS
 325  *  Success: TRUE
 326  *  Failure: FALSE
 327  */
 328 static BOOL GetName(LPSHELLFOLDER lpsf, LPCITEMIDLIST lpi, DWORD dwFlags, LPWSTR lpFriendlyName)
 329 {
 330         BOOL   bSuccess=TRUE;
 331         STRRET str;
 332
 333         TRACE("%p %p %x %p\n", lpsf, lpi, dwFlags, lpFriendlyName);
 334         if (SUCCEEDED(IShellFolder_GetDisplayNameOf(lpsf, lpi, dwFlags, &str)))
 335           bSuccess = StrRetToStrNW(lpFriendlyName, MAX_PATH, &str, lpi);
 336         else
 337           bSuccess = FALSE;
 338
 339         TRACE("-- %s\n", debugstr_w(lpFriendlyName));
 340         return bSuccess;
 341 }
 342
 343 /******************************************************************************
 344  * InsertTreeViewItem [Internal]
 345  *
 346  * PARAMS
 347  *  info       [I] data for the dialog
 348  *  lpsf       [I] IShellFolder interface of the item's parent shell folder
 349  *  pidl       [I] ITEMIDLIST of the child to insert, relative to parent
 350  *  pidlParent [I] ITEMIDLIST of the parent shell folder
 351  *  pEnumIL    [I] Iterator for the children of the item to be inserted
 352  *  hParent    [I] The treeview-item that represents the parent shell folder
 353  *
 354  * RETURNS
 355  *  Success: Handle to the created and inserted treeview-item
 356  *  Failure: NULL
 357  */
 358 static HTREEITEM InsertTreeViewItem( browse_info *info, IShellFolder * lpsf,
 359     LPCITEMIDLIST pidl, LPCITEMIDLIST pidlParent, IEnumIDList* pEnumIL,
 360     HTREEITEM hParent)
 361 {
 362         TVITEMW         tvi;
 363         TVINSERTSTRUCTW tvins;
 364         WCHAR           szBuff[MAX_PATH];
 365         LPTV_ITEMDATA   lptvid=0;
 366
 367         tvi.mask  = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_PARAM;
 368
 369         tvi.cChildren= pEnumIL ? 1 : 0;
 370         tvi.mask |= TVIF_CHILDREN;
 371
 372         lptvid = SHAlloc( sizeof(TV_ITEMDATA) );
 373         if (!lptvid)
 374             return NULL;
 375
 376         if (!GetName(lpsf, pidl, SHGDN_NORMAL, szBuff))
 377             return NULL;
 378
 379         tvi.pszText    = szBuff;
 380         tvi.cchTextMax = MAX_PATH;
 381         tvi.lParam = (LPARAM)lptvid;
 382
 383         IShellFolder_AddRef(lpsf);
 384         lptvid->lpsfParent = lpsf;
 385         lptvid->lpi     = ILClone(pidl);
 386         lptvid->lpifq   = pidlParent ? ILCombine(pidlParent, pidl) : ILClone(pidl);
 387         lptvid->pEnumIL = pEnumIL;
 388         GetNormalAndSelectedIcons(lptvid->lpifq, &tvi);
 389
 390         tvins.u.item       = tvi;
 391         tvins.hInsertAfter = NULL;
 392         tvins.hParent      = hParent;
 393
 394         return TreeView_InsertItemW( info->hwndTreeView, &tvins );
 395 }
 396
 397 /******************************************************************************
 398  * FillTreeView [Internal]
 399  *
 400  * For each child (given by lpe) of the parent shell folder, which is given by
 401  * lpsf and whose PIDL is pidl, insert a treeview-item right under hParent
 402  *
 403  * PARAMS
 404  *  info    [I] data for the dialog
 405  *  lpsf    [I] IShellFolder interface of the parent shell folder
 406  *  pidl    [I] ITEMIDLIST of the parent shell folder
 407  *  hParent [I] The treeview item that represents the parent shell folder
 408  *  lpe     [I] An iterator for the children of the parent shell folder
 409  */
 410 static void FillTreeView( browse_info *info, IShellFolder * lpsf,
 411                  LPITEMIDLIST  pidl, HTREEITEM hParent, IEnumIDList* lpe)
 412 {
 413         HTREEITEM       hPrev = 0;
 414         LPITEMIDLIST    pidlTemp = 0;
 415         ULONG           ulFetched;
 416         HRESULT         hr;
 417         HWND            hwnd = GetParent( info->hwndTreeView );
 418
 419         TRACE("%p %p %p %p\n",lpsf, pidl, hParent, lpe);
 420
 421         /* No IEnumIDList -> No children */
 422         if (!lpe) return;
 423
 424         SetCapture( hwnd );
 425         SetCursor( LoadCursorA( 0, (LPSTR)IDC_WAIT ) );
 426
 427         while (S_OK == IEnumIDList_Next(lpe,1,&pidlTemp,&ulFetched))
 428         {
 429             ULONG ulAttrs = SFGAO_HASSUBFOLDER | SFGAO_FOLDER;
 430             IEnumIDList* pEnumIL = NULL;
 431             IShellFolder* pSFChild = NULL;
 432             IShellFolder_GetAttributesOf(lpsf, 1, (LPCITEMIDLIST*)&pidlTemp, &ulAttrs);
 433             if (ulAttrs & SFGAO_FOLDER)
 434             {
 435                 hr = IShellFolder_BindToObject(lpsf,pidlTemp,NULL,&IID_IShellFolder,(LPVOID*)&pSFChild);
 436                 if (SUCCEEDED(hr))
 437                 {
 438                     DWORD flags = BrowseFlagsToSHCONTF(info->lpBrowseInfo->ulFlags);
 439                     hr = IShellFolder_EnumObjects(pSFChild, hwnd, flags, &pEnumIL);
 440                     if (hr == S_OK)
 441                     {
 442                         if ((IEnumIDList_Skip(pEnumIL, 1) != S_OK) ||
 443                              FAILED(IEnumIDList_Reset(pEnumIL)))
 444                         {
 445                             IEnumIDList_Release(pEnumIL);
 446                             pEnumIL = NULL;
 447                         }
 448                     }
 449                     IShellFolder_Release(pSFChild);
 450                 }
 451             }
 452
 453             if (!(hPrev = InsertTreeViewItem(info, lpsf, pidlTemp, pidl, pEnumIL, hParent)))
 454                 goto done;
 455             SHFree(pidlTemp);  /* Finally, free the pidl that the shell gave us... */
 456             pidlTemp=NULL;
 457         }
 458
 459 done:
 460         ReleaseCapture();
 461         SetCursor(LoadCursorW(0, (LPWSTR)IDC_ARROW));
 462     SHFree(pidlTemp);
 463 }
 464
 465 static inline BOOL PIDLIsType(LPCITEMIDLIST pidl, PIDLTYPE type)
 466 {
 467     LPPIDLDATA data = _ILGetDataPointer(pidl);
 468     if (!data)
 469         return FALSE;
 470     return (data->type == type);
 471 }
 472
 473 static void BrsFolder_CheckValidSelection( browse_info *info, LPTV_ITEMDATA lptvid )
 474 {
 475     LPBROWSEINFOW lpBrowseInfo = info->lpBrowseInfo;
 476     LPCITEMIDLIST pidl = lptvid->lpi;
 477     BOOL bEnabled = TRUE;
 478     DWORD dwAttributes;
 479     HRESULT r;
 480
 481     if ((lpBrowseInfo->ulFlags & BIF_BROWSEFORCOMPUTER) &&
 482         !PIDLIsType(pidl, PT_COMP))
 483         bEnabled = FALSE;
 484     if (lpBrowseInfo->ulFlags & BIF_RETURNFSANCESTORS)
 485     {
 486         dwAttributes = SFGAO_FILESYSANCESTOR | SFGAO_FILESYSTEM;
 487         r = IShellFolder_GetAttributesOf(lptvid->lpsfParent, 1,
 488                                 (LPCITEMIDLIST*)&lptvid->lpi, &dwAttributes);
 489         if (FAILED(r) || !(dwAttributes & (SFGAO_FILESYSANCESTOR|SFGAO_FILESYSTEM)))
 490             bEnabled = FALSE;
 491     }
 492
 493     dwAttributes = SFGAO_FOLDER | SFGAO_FILESYSTEM;
 494     r = IShellFolder_GetAttributesOf(lptvid->lpsfParent, 1,
 495             (LPCITEMIDLIST*)&lptvid->lpi, &dwAttributes);
 496     if (FAILED(r) ||
 497             ((dwAttributes & (SFGAO_FOLDER|SFGAO_FILESYSTEM)) != (SFGAO_FOLDER|SFGAO_FILESYSTEM)))
 498     {
 499         if (lpBrowseInfo->ulFlags & BIF_RETURNONLYFSDIRS)
 500             bEnabled = FALSE;
 501         EnableWindow(GetDlgItem(info->hWnd, IDD_MAKENEWFOLDER), FALSE);
 502     }
 503     else
 504         EnableWindow(GetDlgItem(info->hWnd, IDD_MAKENEWFOLDER), TRUE);
 505
 506     SendMessageW(info->hWnd, BFFM_ENABLEOK, 0, bEnabled);
 507 }
 508
 509 static LRESULT BrsFolder_Treeview_Delete( browse_info *info, NMTREEVIEWW *pnmtv )
 510 {
 511     LPTV_ITEMDATA lptvid = (LPTV_ITEMDATA)pnmtv->itemOld.lParam;
 512
 513     TRACE("TVN_DELETEITEMA/W %p\n", lptvid);
 514
 515     IShellFolder_Release(lptvid->lpsfParent);
 516     if (lptvid->pEnumIL)
 517         IEnumIDList_Release(lptvid->pEnumIL);
 518     SHFree(lptvid->lpi);
 519     SHFree(lptvid->lpifq);
 520     SHFree(lptvid);
 521     return 0;
 522 }
 523
 524 static LRESULT BrsFolder_Treeview_Expand( browse_info *info, NMTREEVIEWW *pnmtv )
 525 {
 526     IShellFolder *lpsf2 = NULL;
 527     LPTV_ITEMDATA lptvid = (LPTV_ITEMDATA) pnmtv->itemNew.lParam;
 528     HRESULT r;
 529
 530     TRACE("TVN_ITEMEXPANDINGA/W\n");
 531
 532     if ((pnmtv->itemNew.state & TVIS_EXPANDEDONCE))
 533         return 0;
 534
 535     if (!_ILIsEmpty(lptvid->lpi)) {
 536         r = IShellFolder_BindToObject( lptvid->lpsfParent, lptvid->lpi, 0,
 537                                        &IID_IShellFolder, (void**)&lpsf2 );
 538     } else {
 539         lpsf2 = lptvid->lpsfParent;
 540         IShellFolder_AddRef(lpsf2);
 541         r = S_OK;
 542     }
 543
 544     if (SUCCEEDED(r))
 545     {
 546         FillTreeView( info, lpsf2, lptvid->lpifq, pnmtv->itemNew.hItem, lptvid->pEnumIL);
 547         IShellFolder_Release( lpsf2 );
 548     }
 549
 550     /* My Computer is already sorted and trying to do a simple text
 551      * sort will only mess things up */
 552     if (!_ILIsMyComputer(lptvid->lpi))
 553         SendMessageW( info->hwndTreeView, TVM_SORTCHILDREN,
 554                       FALSE, (LPARAM)pnmtv->itemNew.hItem );
 555
 556     return 0;
 557 }
 558
 559 static HRESULT BrsFolder_Treeview_Changed( browse_info *info, NMTREEVIEWW *pnmtv )
 560 {
 561     LPTV_ITEMDATA lptvid = (LPTV_ITEMDATA) pnmtv->itemNew.lParam;
 562     WCHAR name[MAX_PATH];
 563
 564     ILFree(info->pidlRet);
 565     info->pidlRet = ILClone(lptvid->lpifq);
 566
 567     if (GetName(lptvid->lpsfParent, lptvid->lpi, SHGDN_NORMAL, name))
 568             SetWindowTextW( GetDlgItem(info->hWnd, IDD_FOLDERTEXT), name );
 569
 570     browsefolder_callback( info->lpBrowseInfo, info->hWnd, BFFM_SELCHANGED,
 571                            (LPARAM)info->pidlRet );
 572     BrsFolder_CheckValidSelection( info, lptvid );
 573     return 0;
 574 }
 575
 576 static LRESULT BrsFolder_Treeview_Rename(browse_info *info, NMTVDISPINFOW *pnmtv)
 577 {
 578     LPTV_ITEMDATA item_data;
 579     WCHAR old_path[MAX_PATH], new_path[MAX_PATH], *p;
 580     NMTREEVIEWW nmtv;
 581     TVITEMW item;
 582
 583     if(!pnmtv->item.pszText)
 584         return 0;
 585
 586     item.mask = TVIF_HANDLE|TVIF_PARAM;
 587     item.hItem = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_CARET, 0);
 588     SendMessageW(info->hwndTreeView, TVM_GETITEMW, 0, (LPARAM)&item);
 589     item_data = (LPTV_ITEMDATA)item.lParam;
 590
 591     SHGetPathFromIDListW(item_data->lpifq, old_path);
 592     if(!(p = strrchrW(old_path, '\\')))
 593         return 0;
 594     p = new_path+(p-old_path+1);
 595     memcpy(new_path, old_path, (p-new_path)*sizeof(WCHAR));
 596     strcpyW(p, pnmtv->item.pszText);
 597
 598     if(!MoveFileW(old_path, new_path))
 599         return 0;
 600
 601     SHFree(item_data->lpifq);
 602     SHFree(item_data->lpi);
 603     item_data->lpifq = SHSimpleIDListFromPathW(new_path);
 604     IShellFolder_ParseDisplayName(item_data->lpsfParent, NULL, NULL,
 605             pnmtv->item.pszText, NULL, &item_data->lpi, NULL);
 606
 607     item.mask = TVIF_HANDLE|TVIF_TEXT;
 608     item.pszText = pnmtv->item.pszText;
 609     SendMessageW(info->hwndTreeView, TVM_SETITEMW, 0, (LPARAM)&item);
 610
 611     nmtv.itemNew.lParam = item.lParam;
 612     BrsFolder_Treeview_Changed(info, &nmtv);
 613     return 0;
 614 }
 615
 616 static LRESULT BrsFolder_OnNotify( browse_info *info, UINT CtlID, LPNMHDR lpnmh )
 617 {
 618     NMTREEVIEWW *pnmtv = (NMTREEVIEWW *)lpnmh;
 619
 620     TRACE("%p %x %p msg=%x\n", info, CtlID, lpnmh, pnmtv->hdr.code);
 621
 622     if (pnmtv->hdr.idFrom != IDD_TREEVIEW)
 623         return 0;
 624
 625     switch (pnmtv->hdr.code)
 626     {
 627     case TVN_DELETEITEMA:
 628     case TVN_DELETEITEMW:
 629         return BrsFolder_Treeview_Delete( info, pnmtv );
 630
 631     case TVN_ITEMEXPANDINGA:
 632     case TVN_ITEMEXPANDINGW:
 633         return BrsFolder_Treeview_Expand( info, pnmtv );
 634
 635     case TVN_SELCHANGEDA:
 636     case TVN_SELCHANGEDW:
 637         return BrsFolder_Treeview_Changed( info, pnmtv );
 638
 639     case TVN_ENDLABELEDITA:
 640     case TVN_ENDLABELEDITW:
 641         return BrsFolder_Treeview_Rename( info, (LPNMTVDISPINFOW)pnmtv );
 642
 643     default:
 644         WARN("unhandled (%d)\n", pnmtv->hdr.code);
 645         break;
 646     }
 647
 648     return 0;
 649 }
 650
 651
 652 static BOOL BrsFolder_OnCreate( HWND hWnd, browse_info *info )
 653 {
 654     LPBROWSEINFOW lpBrowseInfo = info->lpBrowseInfo;
 655
 656     info->hWnd = hWnd;
 657     SetPropW( hWnd, szBrowseFolderInfo, info );
 658
 659     if (lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE)
 660         FIXME("flags BIF_NEWDIALOGSTYLE partially implemented\n");
 661     if (lpBrowseInfo->ulFlags & ~SUPPORTEDFLAGS)
 662         FIXME("flags %x not implemented\n", lpBrowseInfo->ulFlags & ~SUPPORTEDFLAGS);
 663
 664     if (lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE)
 665     {
 666         RECT rcWnd;
 667
 668         info->layout = LayoutInit(hWnd, g_layout_info, LAYOUT_INFO_COUNT);
 669
 670         /* TODO: Windows allows shrinking the windows a bit */
 671         GetWindowRect(hWnd, &rcWnd);
 672         info->szMin.cx = rcWnd.right - rcWnd.left;
 673         info->szMin.cy = rcWnd.bottom - rcWnd.top;
 674     }
 675     else
 676     {
 677         info->layout = NULL;
 678     }
 679
 680     if (lpBrowseInfo->lpszTitle)
 681         SetWindowTextW( GetDlgItem(hWnd, IDD_TITLE), lpBrowseInfo->lpszTitle );
 682     else
 683         ShowWindow( GetDlgItem(hWnd, IDD_TITLE), SW_HIDE );
 684
 685     if (!(lpBrowseInfo->ulFlags & BIF_STATUSTEXT)
 686         || (lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE))
 687         ShowWindow( GetDlgItem(hWnd, IDD_STATUS), SW_HIDE );
 688
 689     /* Hide "Make New Folder" Button? */
 690     if ((lpBrowseInfo->ulFlags & BIF_NONEWFOLDERBUTTON)
 691         || !(lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE))
 692         ShowWindow( GetDlgItem(hWnd, IDD_MAKENEWFOLDER), SW_HIDE );
 693
 694     /* Hide the editbox? */
 695     if (!(lpBrowseInfo->ulFlags & BIF_EDITBOX))
 696     {
 697         ShowWindow( GetDlgItem(hWnd, IDD_FOLDER), SW_HIDE );
 698         ShowWindow( GetDlgItem(hWnd, IDD_FOLDERTEXT), SW_HIDE );
 699     }
 700
 701     info->hwndTreeView = GetDlgItem( hWnd, IDD_TREEVIEW );
 702     if (info->hwndTreeView)
 703     {
 704         InitializeTreeView( info );
 705
 706         /* Resize the treeview if there's not editbox */
 707         if ((lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE)
 708             && !(lpBrowseInfo->ulFlags & BIF_EDITBOX))
 709         {
 710             RECT rc;
 711             GetClientRect(info->hwndTreeView, &rc);
 712             SetWindowPos(info->hwndTreeView, HWND_TOP, 0, 0,
 713                          rc.right, rc.bottom + 40, SWP_NOMOVE);
 714         }
 715     }
 716     else
 717         ERR("treeview control missing!\n");
 718
 719     browsefolder_callback( info->lpBrowseInfo, hWnd, BFFM_INITIALIZED, 0 );
 720
 721     return TRUE;
 722 }
 723
 724 static HRESULT BrsFolder_Rename(browse_info *info, HTREEITEM rename)
 725 {
 726     SendMessageW(info->hwndTreeView, TVM_SELECTITEM, TVGN_CARET, (LPARAM)rename);
 727     SendMessageW(info->hwndTreeView, TVM_EDITLABELW, 0, (LPARAM)rename);
 728     return S_OK;
 729 }
 730
 731 static HRESULT BrsFolder_NewFolder(browse_info *info)
 732 {
 733     DWORD flags = BrowseFlagsToSHCONTF(info->lpBrowseInfo->ulFlags);
 734     IShellFolder *desktop, *cur;
 735     ISFHelper *sfhelper;
 736     WCHAR name[MAX_PATH];
 737     HTREEITEM parent, added;
 738     LPTV_ITEMDATA item_data;
 739     LPITEMIDLIST new_item;
 740     TVITEMW item;
 741     HRESULT hr;
 742     int len;
 743
 744     if(!info->pidlRet) {
 745         ERR("Make new folder button should be disabled\n");
 746         return E_FAIL;
 747     }
 748
 749     /* Create new directory */
 750     hr = SHGetDesktopFolder(&desktop);
 751     if(FAILED(hr))
 752         return hr;
 753     hr = IShellFolder_BindToObject(desktop, info->pidlRet, 0, &IID_IShellFolder, (void**)&cur);
 754     IShellFolder_Release(desktop);
 755     if(FAILED(hr))
 756         return hr;
 757
 758     hr = IShellFolder_QueryInterface(cur, &IID_ISFHelper, (void**)&sfhelper);
 759     if(FAILED(hr))
 760         return hr;
 761
 762     hr = SHGetPathFromIDListW(info->pidlRet, name);
 763     if(FAILED(hr))
 764         goto cleanup;
 765
 766     len = strlenW(name);
 767     if(len<MAX_PATH)
 768         name[len++] = '\\';
 769     hr = ISFHelper_GetUniqueName(sfhelper, &name[len], MAX_PATH-len);
 770     ISFHelper_Release(sfhelper);
 771     if(FAILED(hr))
 772         goto cleanup;
 773
 774     hr = E_FAIL;
 775     if(!CreateDirectoryW(name, NULL))
 776         goto cleanup;
 777
 778     /* Update parent of newly created directory */
 779     parent = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_CARET, 0);
 780     if(!parent)
 781         goto cleanup;
 782
 783     SendMessageW(info->hwndTreeView, TVM_EXPAND, TVE_EXPAND, (LPARAM)parent);
 784
 785     memset(&item, 0, sizeof(TVITEMW));
 786     item.mask = TVIF_PARAM|TVIF_STATE;
 787     item.hItem = parent;
 788     SendMessageW(info->hwndTreeView, TVM_GETITEMW, 0, (LPARAM)&item);
 789     item_data = (LPTV_ITEMDATA)item.lParam;
 790     if(!item_data)
 791         goto cleanup;
 792
 793     if(item_data->pEnumIL)
 794         IEnumIDList_Release(item_data->pEnumIL);
 795     hr = IShellFolder_EnumObjects(cur, info->hwndTreeView, flags, &item_data->pEnumIL);
 796     if(FAILED(hr))
 797         goto cleanup;
 798
 799     /* Update treeview */
 800     if(!(item.state&TVIS_EXPANDEDONCE)) {
 801         item.mask = TVIF_STATE;
 802         item.state = TVIS_EXPANDEDONCE;
 803         item.stateMask = TVIS_EXPANDEDONCE;
 804         SendMessageW(info->hwndTreeView, TVM_SETITEMW, 0, (LPARAM)&item);
 805     }
 806
 807     hr = IShellFolder_ParseDisplayName(cur, NULL, NULL, name+len, NULL, &new_item, NULL);
 808     if(FAILED(hr))
 809         goto cleanup;
 810
 811     added = InsertTreeViewItem(info, cur, new_item, item_data->lpifq, NULL, parent);
 812     IShellFolder_Release(cur);
 813     SHFree(new_item);
 814
 815     SendMessageW(info->hwndTreeView, TVM_SORTCHILDREN, FALSE, (LPARAM)parent);
 816     return BrsFolder_Rename(info, added);
 817
 818 cleanup:
 819     return hr;
 820 }
 821
 822 static BOOL BrsFolder_OnCommand( browse_info *info, UINT id )
 823 {
 824     LPBROWSEINFOW lpBrowseInfo = info->lpBrowseInfo;
 825
 826     switch (id)
 827     {
 828     case IDOK:
 829         if (info->pidlRet == NULL) /* A null pidl would mean a cancel */
 830             info->pidlRet = _ILCreateDesktop();
 831         pdump( info->pidlRet );
 832         if (lpBrowseInfo->pszDisplayName)
 833             SHGetPathFromIDListW( info->pidlRet, lpBrowseInfo->pszDisplayName );
 834         EndDialog( info->hWnd, 1 );
 835         return TRUE;
 836
 837     case IDCANCEL:
 838         EndDialog( info->hWnd, 0 );
 839         return TRUE;
 840
 841     case IDD_MAKENEWFOLDER:
 842         BrsFolder_NewFolder(info);
 843         return TRUE;
 844     }
 845     return FALSE;
 846 }
 847
 848 static BOOL BrsFolder_OnSetExpanded(browse_info *info, LPVOID selection,
 849     BOOL is_str, HTREEITEM *pItem)
 850 {
 851     LPITEMIDLIST pidlSelection = selection;
 852     LPCITEMIDLIST pidlCurrent, pidlRoot;
 853     TVITEMEXW item;
 854     BOOL bResult = FALSE;
 855
 856     memset(&item, 0, sizeof(item));
 857
 858     /* If 'selection' is a string, convert to a Shell ID List. */
 859     if (is_str) {
 860         IShellFolder *psfDesktop;
 861         HRESULT hr;
 862
 863         hr = SHGetDesktopFolder(&psfDesktop);
 864         if (FAILED(hr))
 865             goto done;
 866
 867         hr = IShellFolder_ParseDisplayName(psfDesktop, NULL, NULL,
 868                      selection, NULL, &pidlSelection, NULL);
 869         IShellFolder_Release(psfDesktop);
 870         if (FAILED(hr))
 871             goto done;
 872     }
 873
 874     /* Move pidlCurrent behind the SHITEMIDs in pidlSelection, which are the root of
 875      * the sub-tree currently displayed. */
 876     pidlRoot = info->lpBrowseInfo->pidlRoot;
 877     pidlCurrent = pidlSelection;
 878     while (!_ILIsEmpty(pidlRoot) && _ILIsEqualSimple(pidlRoot, pidlCurrent)) {
 879         pidlRoot = ILGetNext(pidlRoot);
 880         pidlCurrent = ILGetNext(pidlCurrent);
 881     }
 882
 883     /* The given ID List is not part of the SHBrowseForFolder's current sub-tree. */
 884     if (!_ILIsEmpty(pidlRoot))
 885         goto done;
 886
 887     /* Initialize item to point to the first child of the root folder. */
 888     item.mask = TVIF_PARAM;
 889     item.hItem = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_ROOT, 0);
 890
 891     if (item.hItem)
 892         item.hItem = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_CHILD,
 893                                              (LPARAM)item.hItem);
 894
 895     /* Walk the tree along the nodes corresponding to the remaining ITEMIDLIST */
 896     while (item.hItem && !_ILIsEmpty(pidlCurrent)) {
 897         LPTV_ITEMDATA pItemData;
 898
 899         SendMessageW(info->hwndTreeView, TVM_GETITEMW, 0, (LPARAM)&item);
 900         pItemData = (LPTV_ITEMDATA)item.lParam;
 901
 902         if (_ILIsEqualSimple(pItemData->lpi, pidlCurrent)) {
 903             pidlCurrent = ILGetNext(pidlCurrent);
 904             if (!_ILIsEmpty(pidlCurrent)) {
 905                 /* Only expand current node and move on to it's first child,
 906                  * if we didn't already reach the last SHITEMID */
 907                 SendMessageW(info->hwndTreeView, TVM_EXPAND, TVE_EXPAND, (LPARAM)item.hItem);
 908                 item.hItem = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_CHILD,
 909                                              (LPARAM)item.hItem);
 910             }
 911         } else {
 912             item.hItem = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_NEXT,
 913                                              (LPARAM)item.hItem);
 914         }
 915     }
 916
 917     if (_ILIsEmpty(pidlCurrent) && item.hItem)
 918         bResult = TRUE;
 919
 920 done:
 921     if (pidlSelection && pidlSelection != selection)
 922         ILFree(pidlSelection);
 923
 924     if (pItem)
 925         *pItem = item.hItem;
 926
 927     return bResult;
 928 }
 929
 930 static BOOL BrsFolder_OnSetSelectionW(browse_info *info, LPVOID selection, BOOL is_str) {
 931     HTREEITEM hItem;
 932     BOOL bResult;
 933
 934     if (!selection) return FALSE;
 935
 936     bResult = BrsFolder_OnSetExpanded(info, selection, is_str, &hItem);
 937     if (bResult)
 938         SendMessageW(info->hwndTreeView, TVM_SELECTITEM, TVGN_CARET, (LPARAM)hItem );
 939     return bResult;
 940 }
 941
 942 static BOOL BrsFolder_OnSetSelectionA(browse_info *info, LPVOID selection, BOOL is_str) {
 943     LPWSTR selectionW = NULL;
 944     BOOL result = FALSE;
 945     int length;
 946
 947     if (!is_str)
 948         return BrsFolder_OnSetSelectionW(info, selection, is_str);
 949
 950     if ((length = MultiByteToWideChar(CP_ACP, 0, selection, -1, NULL, 0)) &&
 951         (selectionW = HeapAlloc(GetProcessHeap(), 0, length * sizeof(WCHAR))) &&
 952         MultiByteToWideChar(CP_ACP, 0, selection, -1, selectionW, length))
 953     {
 954         result = BrsFolder_OnSetSelectionW(info, selectionW, is_str);
 955     }
 956
 957     HeapFree(GetProcessHeap(), 0, selectionW);
 958     return result;
 959 }
 960
 961 static BOOL BrsFolder_OnWindowPosChanging(browse_info *info, WINDOWPOS *pos)
 962 {
 963     if ((info->lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE) && !(pos->flags & SWP_NOSIZE))
 964     {
 965         if (pos->cx < info->szMin.cx)
 966             pos->cx = info->szMin.cx;
 967         if (pos->cy < info->szMin.cy)
 968             pos->cy = info->szMin.cy;
 969     }
 970     return 0;
 971 }
 972
 973 static INT BrsFolder_OnDestroy(browse_info *info)
 974 {
 975     if (info->layout)
 976     {
 977         SHFree(info->layout);
 978         info->layout = NULL;
 979     }
 980
 981     return 0;
 982 }
 983
 984 /*************************************************************************
 985  *             BrsFolderDlgProc32  (not an exported API function)
 986  */
 987 static INT_PTR CALLBACK BrsFolderDlgProc( HWND hWnd, UINT msg, WPARAM wParam,
 988                                           LPARAM lParam )
 989 {
 990     browse_info *info;
 991
 992     TRACE("hwnd=%p msg=%04x 0x%08lx 0x%08lx\n", hWnd, msg, wParam, lParam );
 993
 994     if (msg == WM_INITDIALOG)
 995         return BrsFolder_OnCreate( hWnd, (browse_info*) lParam );
 996
 997     info = GetPropW( hWnd, szBrowseFolderInfo );
 998
 999     switch (msg)
1000     {
1001     case WM_NOTIFY:
1002         return BrsFolder_OnNotify( info, (UINT)wParam, (LPNMHDR)lParam);
1003
1004     case WM_COMMAND:
1005         return BrsFolder_OnCommand( info, wParam );
1006
1007     case WM_WINDOWPOSCHANGING:
1008         return BrsFolder_OnWindowPosChanging( info, (WINDOWPOS *)lParam);
1009
1010     case WM_SIZE:
1011         if (info->layout)  /* new style dialogs */
1012             LayoutUpdate(hWnd, info->layout, g_layout_info, LAYOUT_INFO_COUNT);
1013         return 0;
1014
1015     case BFFM_SETSTATUSTEXTA:
1016         TRACE("Set status %s\n", debugstr_a((LPSTR)lParam));
1017         SetWindowTextA(GetDlgItem(hWnd, IDD_STATUS), (LPSTR)lParam);
1018         break;
1019
1020     case BFFM_SETSTATUSTEXTW:
1021         TRACE("Set status %s\n", debugstr_w((LPWSTR)lParam));
1022         SetWindowTextW(GetDlgItem(hWnd, IDD_STATUS), (LPWSTR)lParam);
1023         break;
1024
1025     case BFFM_ENABLEOK:
1026         TRACE("Enable %ld\n", lParam);
1027         EnableWindow(GetDlgItem(hWnd, 1), (lParam)?TRUE:FALSE);
1028         break;
1029
1030     case BFFM_SETOKTEXT: /* unicode only */
1031         TRACE("Set OK text %s\n", debugstr_w((LPWSTR)wParam));
1032         SetWindowTextW(GetDlgItem(hWnd, 1), (LPWSTR)wParam);
1033         break;
1034
1035     case BFFM_SETSELECTIONA:
1036         return BrsFolder_OnSetSelectionA(info, (LPVOID)lParam, (BOOL)wParam);
1037
1038     case BFFM_SETSELECTIONW:
1039         return BrsFolder_OnSetSelectionW(info, (LPVOID)lParam, (BOOL)wParam);
1040
1041     case BFFM_SETEXPANDED: /* unicode only */
1042         return BrsFolder_OnSetExpanded(info, (LPVOID)lParam, (BOOL)wParam, NULL);
1043
1044     case WM_DESTROY:
1045         return BrsFolder_OnDestroy(info);
1046     }
1047     return FALSE;
1048 }
1049
1050 static const WCHAR swBrowseTemplateName[] = {
1051     'S','H','B','R','S','F','O','R','F','O','L','D','E','R','_','M','S','G','B','O','X',0};
1052 static const WCHAR swNewBrowseTemplateName[] = {
1053     'S','H','N','E','W','B','R','S','F','O','R','F','O','L','D','E','R','_','M','S','G','B','O','X',0};
1054
1055 /*************************************************************************
1056  * SHBrowseForFolderA [SHELL32.@]
1057  * SHBrowseForFolder  [SHELL32.@]
1058  */
1059 LPITEMIDLIST WINAPI SHBrowseForFolderA (LPBROWSEINFOA lpbi)
1060 {
1061     BROWSEINFOW bi;
1062     LPITEMIDLIST lpid;
1063     INT len;
1064     LPWSTR title;
1065
1066     TRACE("%p\n", lpbi);
1067
1068     bi.hwndOwner = lpbi->hwndOwner;
1069     bi.pidlRoot = lpbi->pidlRoot;
1070     if (lpbi->pszDisplayName)
1071     {
1072         bi.pszDisplayName = HeapAlloc( GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR) );
1073         MultiByteToWideChar( CP_ACP, 0, lpbi->pszDisplayName, -1, bi.pszDisplayName, MAX_PATH );
1074     }
1075     else
1076         bi.pszDisplayName = NULL;
1077
1078     if (lpbi->lpszTitle)
1079     {
1080         len = MultiByteToWideChar( CP_ACP, 0, lpbi->lpszTitle, -1, NULL, 0 );
1081         title = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
1082         MultiByteToWideChar( CP_ACP, 0, lpbi->lpszTitle, -1, title, len );
1083     }
1084     else
1085         title = NULL;
1086
1087     bi.lpszTitle = title;
1088     bi.ulFlags = lpbi->ulFlags;
1089     bi.lpfn = lpbi->lpfn;
1090     bi.lParam = lpbi->lParam;
1091     bi.iImage = lpbi->iImage;
1092     lpid = SHBrowseForFolderW( &bi );
1093     if (bi.pszDisplayName)
1094     {
1095         WideCharToMultiByte( CP_ACP, 0, bi.pszDisplayName, -1,
1096                              lpbi->pszDisplayName, MAX_PATH, 0, NULL);
1097         HeapFree( GetProcessHeap(), 0, bi.pszDisplayName );
1098     }
1099     HeapFree(GetProcessHeap(), 0, title);
1100     lpbi->iImage = bi.iImage;
1101     return lpid;
1102 }
1103
1104
1105 /*************************************************************************
1106  * SHBrowseForFolderW [SHELL32.@]
1107  *
1108  * NOTES
1109  *  crashes when passed a null pointer
1110  */
1111 LPITEMIDLIST WINAPI SHBrowseForFolderW (LPBROWSEINFOW lpbi)
1112 {
1113     browse_info info;
1114     DWORD r;
1115     HRESULT hr;
1116     const WCHAR * templateName;
1117
1118     info.hWnd = 0;
1119     info.pidlRet = NULL;
1120     info.lpBrowseInfo = lpbi;
1121     info.hwndTreeView = NULL;
1122
1123     hr = OleInitialize(NULL);
1124
1125     if (lpbi->ulFlags & BIF_NEWDIALOGSTYLE)
1126         templateName = swNewBrowseTemplateName;
1127     else
1128         templateName = swBrowseTemplateName;
1129     r = DialogBoxParamW( shell32_hInstance, templateName, lpbi->hwndOwner,
1130                          BrsFolderDlgProc, (LPARAM)&info );
1131     if (SUCCEEDED(hr))
1132         OleUninitialize();
1133     if (!r)
1134     {
1135         ILFree(info.pidlRet);
1136         return NULL;
1137     }
1138
1139     return info.pidlRet;
1140 }