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
  30 #include "wine/debug.h"
  31 #include "undocshell.h"
  32 #include "commoncontrols.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     IImageList *list;
 287
 288     list = (IImageList *)SHGetFileInfoW((LPCWSTR)lpi, 0 ,&sfi, sizeof(SHFILEINFOW), uFlags);
 289     if (list) IImageList_Release(list);
 290     return sfi.iIcon;
 291 }
 292
 293 static void GetNormalAndSelectedIcons(LPITEMIDLIST lpifq, LPTVITEMW lpTV_ITEM)
 294 {
 295     LPITEMIDLIST pidlDesktop = NULL;
 296     DWORD flags;
 297
 298     TRACE("%p %p\n",lpifq, lpTV_ITEM);
 299
 300     if (!lpifq)
 301     {
 302         pidlDesktop = _ILCreateDesktop();
 303         lpifq = pidlDesktop;
 304     }
 305
 306     flags = SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON;
 307     lpTV_ITEM->iImage = GetIcon( lpifq, flags );
 308
 309     flags = SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON | SHGFI_OPENICON;
 310     lpTV_ITEM->iSelectedImage = GetIcon( lpifq, flags );
 311
 312     if (pidlDesktop)
 313         ILFree( pidlDesktop );
 314 }
 315
 316 /******************************************************************************
 317  * GetName [Internal]
 318  *
 319  * Query a shell folder for the display name of one of its children
 320  *
 321  * PARAMS
 322  *  lpsf           [I] IShellFolder interface of the folder to be queried.
 323  *  lpi            [I] ITEMIDLIST of the child, relative to parent
 324  *  dwFlags        [I] as in IShellFolder::GetDisplayNameOf
 325  *  lpFriendlyName [O] The desired display name in unicode
 326  *
 327  * RETURNS
 328  *  Success: TRUE
 329  *  Failure: FALSE
 330  */
 331 static BOOL GetName(LPSHELLFOLDER lpsf, LPCITEMIDLIST lpi, DWORD dwFlags, LPWSTR lpFriendlyName)
 332 {
 333         BOOL   bSuccess=TRUE;
 334         STRRET str;
 335
 336         TRACE("%p %p %x %p\n", lpsf, lpi, dwFlags, lpFriendlyName);
 337         if (SUCCEEDED(IShellFolder_GetDisplayNameOf(lpsf, lpi, dwFlags, &str)))
 338           bSuccess = StrRetToStrNW(lpFriendlyName, MAX_PATH, &str, lpi);
 339         else
 340           bSuccess = FALSE;
 341
 342         TRACE("-- %s\n", debugstr_w(lpFriendlyName));
 343         return bSuccess;
 344 }
 345
 346 /******************************************************************************
 347  * InsertTreeViewItem [Internal]
 348  *
 349  * PARAMS
 350  *  info       [I] data for the dialog
 351  *  lpsf       [I] IShellFolder interface of the item's parent shell folder
 352  *  pidl       [I] ITEMIDLIST of the child to insert, relative to parent
 353  *  pidlParent [I] ITEMIDLIST of the parent shell folder
 354  *  pEnumIL    [I] Iterator for the children of the item to be inserted
 355  *  hParent    [I] The treeview-item that represents the parent shell folder
 356  *
 357  * RETURNS
 358  *  Success: Handle to the created and inserted treeview-item
 359  *  Failure: NULL
 360  */
 361 static HTREEITEM InsertTreeViewItem( browse_info *info, IShellFolder * lpsf,
 362     LPCITEMIDLIST pidl, LPCITEMIDLIST pidlParent, IEnumIDList* pEnumIL,
 363     HTREEITEM hParent)
 364 {
 365         TVITEMW         tvi;
 366         TVINSERTSTRUCTW tvins;
 367         WCHAR           szBuff[MAX_PATH];
 368         LPTV_ITEMDATA   lptvid=0;
 369
 370         tvi.mask  = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_PARAM;
 371
 372         tvi.cChildren= pEnumIL ? 1 : 0;
 373         tvi.mask |= TVIF_CHILDREN;
 374
 375         if (!GetName(lpsf, pidl, SHGDN_NORMAL, szBuff))
 376             return NULL;
 377
 378         lptvid = SHAlloc( sizeof(TV_ITEMDATA) );
 379         if (!lptvid)
 380             return NULL;
 381
 382         tvi.pszText    = szBuff;
 383         tvi.cchTextMax = MAX_PATH;
 384         tvi.lParam = (LPARAM)lptvid;
 385
 386         IShellFolder_AddRef(lpsf);
 387         lptvid->lpsfParent = lpsf;
 388         lptvid->lpi     = ILClone(pidl);
 389         lptvid->lpifq   = pidlParent ? ILCombine(pidlParent, pidl) : ILClone(pidl);
 390         lptvid->pEnumIL = pEnumIL;
 391         GetNormalAndSelectedIcons(lptvid->lpifq, &tvi);
 392
 393         tvins.u.item       = tvi;
 394         tvins.hInsertAfter = NULL;
 395         tvins.hParent      = hParent;
 396
 397         return TreeView_InsertItemW( info->hwndTreeView, &tvins );
 398 }
 399
 400 /******************************************************************************
 401  * FillTreeView [Internal]
 402  *
 403  * For each child (given by lpe) of the parent shell folder, which is given by
 404  * lpsf and whose PIDL is pidl, insert a treeview-item right under hParent
 405  *
 406  * PARAMS
 407  *  info    [I] data for the dialog
 408  *  lpsf    [I] IShellFolder interface of the parent shell folder
 409  *  pidl    [I] ITEMIDLIST of the parent shell folder
 410  *  hParent [I] The treeview item that represents the parent shell folder
 411  *  lpe     [I] An iterator for the children of the parent shell folder
 412  */
 413 static void FillTreeView( browse_info *info, IShellFolder * lpsf,
 414                  LPITEMIDLIST  pidl, HTREEITEM hParent, IEnumIDList* lpe)
 415 {
 416         LPITEMIDLIST    pidlTemp = 0;
 417         ULONG           ulFetched;
 418         HRESULT         hr;
 419         HWND            hwnd = GetParent( info->hwndTreeView );
 420
 421         TRACE("%p %p %p %p\n",lpsf, pidl, hParent, lpe);
 422
 423         /* No IEnumIDList -> No children */
 424         if (!lpe) return;
 425
 426         SetCapture( hwnd );
 427         SetCursor( LoadCursorA( 0, (LPSTR)IDC_WAIT ) );
 428
 429         while (S_OK == IEnumIDList_Next(lpe,1,&pidlTemp,&ulFetched))
 430         {
 431             ULONG ulAttrs = SFGAO_HASSUBFOLDER | SFGAO_FOLDER;
 432             IEnumIDList* pEnumIL = NULL;
 433             IShellFolder* pSFChild = NULL;
 434             IShellFolder_GetAttributesOf(lpsf, 1, (LPCITEMIDLIST*)&pidlTemp, &ulAttrs);
 435             if (ulAttrs & SFGAO_FOLDER)
 436             {
 437                 hr = IShellFolder_BindToObject(lpsf,pidlTemp,NULL,&IID_IShellFolder,(LPVOID*)&pSFChild);
 438                 if (SUCCEEDED(hr))
 439                 {
 440                     DWORD flags = BrowseFlagsToSHCONTF(info->lpBrowseInfo->ulFlags);
 441                     hr = IShellFolder_EnumObjects(pSFChild, hwnd, flags, &pEnumIL);
 442                     if (hr == S_OK)
 443                     {
 444                         if ((IEnumIDList_Skip(pEnumIL, 1) != S_OK) ||
 445                              FAILED(IEnumIDList_Reset(pEnumIL)))
 446                         {
 447                             IEnumIDList_Release(pEnumIL);
 448                             pEnumIL = NULL;
 449                         }
 450                     }
 451                     IShellFolder_Release(pSFChild);
 452                 }
 453             }
 454
 455             if (!InsertTreeViewItem(info, lpsf, pidlTemp, pidl, pEnumIL, hParent))
 456                 goto done;
 457             SHFree(pidlTemp);  /* Finally, free the pidl that the shell gave us... */
 458             pidlTemp=NULL;
 459         }
 460
 461 done:
 462         ReleaseCapture();
 463         SetCursor(LoadCursorW(0, (LPWSTR)IDC_ARROW));
 464     SHFree(pidlTemp);
 465 }
 466
 467 static inline BOOL PIDLIsType(LPCITEMIDLIST pidl, PIDLTYPE type)
 468 {
 469     LPPIDLDATA data = _ILGetDataPointer(pidl);
 470     if (!data)
 471         return FALSE;
 472     return (data->type == type);
 473 }
 474
 475 static void BrsFolder_CheckValidSelection( browse_info *info, LPTV_ITEMDATA lptvid )
 476 {
 477     LPBROWSEINFOW lpBrowseInfo = info->lpBrowseInfo;
 478     LPCITEMIDLIST pidl = lptvid->lpi;
 479     BOOL bEnabled = TRUE;
 480     DWORD dwAttributes;
 481     HRESULT r;
 482
 483     if ((lpBrowseInfo->ulFlags & BIF_BROWSEFORCOMPUTER) &&
 484         !PIDLIsType(pidl, PT_COMP))
 485         bEnabled = FALSE;
 486     if (lpBrowseInfo->ulFlags & BIF_RETURNFSANCESTORS)
 487     {
 488         dwAttributes = SFGAO_FILESYSANCESTOR | SFGAO_FILESYSTEM;
 489         r = IShellFolder_GetAttributesOf(lptvid->lpsfParent, 1,
 490                                 (LPCITEMIDLIST*)&lptvid->lpi, &dwAttributes);
 491         if (FAILED(r) || !(dwAttributes & (SFGAO_FILESYSANCESTOR|SFGAO_FILESYSTEM)))
 492             bEnabled = FALSE;
 493     }
 494
 495     dwAttributes = SFGAO_FOLDER | SFGAO_FILESYSTEM;
 496     r = IShellFolder_GetAttributesOf(lptvid->lpsfParent, 1,
 497             (LPCITEMIDLIST*)&lptvid->lpi, &dwAttributes);
 498     if (FAILED(r) ||
 499             ((dwAttributes & (SFGAO_FOLDER|SFGAO_FILESYSTEM)) != (SFGAO_FOLDER|SFGAO_FILESYSTEM)))
 500     {
 501         if (lpBrowseInfo->ulFlags & BIF_RETURNONLYFSDIRS)
 502             bEnabled = FALSE;
 503         EnableWindow(GetDlgItem(info->hWnd, IDD_MAKENEWFOLDER), FALSE);
 504     }
 505     else
 506         EnableWindow(GetDlgItem(info->hWnd, IDD_MAKENEWFOLDER), TRUE);
 507
 508     SendMessageW(info->hWnd, BFFM_ENABLEOK, 0, bEnabled);
 509 }
 510
 511 static LRESULT BrsFolder_Treeview_Delete( browse_info *info, NMTREEVIEWW *pnmtv )
 512 {
 513     LPTV_ITEMDATA lptvid = (LPTV_ITEMDATA)pnmtv->itemOld.lParam;
 514
 515     TRACE("TVN_DELETEITEMA/W %p\n", lptvid);
 516
 517     IShellFolder_Release(lptvid->lpsfParent);
 518     if (lptvid->pEnumIL)
 519         IEnumIDList_Release(lptvid->pEnumIL);
 520     SHFree(lptvid->lpi);
 521     SHFree(lptvid->lpifq);
 522     SHFree(lptvid);
 523     return 0;
 524 }
 525
 526 static LRESULT BrsFolder_Treeview_Expand( browse_info *info, NMTREEVIEWW *pnmtv )
 527 {
 528     IShellFolder *lpsf2 = NULL;
 529     LPTV_ITEMDATA lptvid = (LPTV_ITEMDATA) pnmtv->itemNew.lParam;
 530     HRESULT r;
 531
 532     TRACE("TVN_ITEMEXPANDINGA/W\n");
 533
 534     if ((pnmtv->itemNew.state & TVIS_EXPANDEDONCE))
 535         return 0;
 536
 537     if (!_ILIsEmpty(lptvid->lpi)) {
 538         r = IShellFolder_BindToObject( lptvid->lpsfParent, lptvid->lpi, 0,
 539                                        &IID_IShellFolder, (void**)&lpsf2 );
 540     } else {
 541         lpsf2 = lptvid->lpsfParent;
 542         IShellFolder_AddRef(lpsf2);
 543         r = S_OK;
 544     }
 545
 546     if (SUCCEEDED(r))
 547     {
 548         FillTreeView( info, lpsf2, lptvid->lpifq, pnmtv->itemNew.hItem, lptvid->pEnumIL);
 549         IShellFolder_Release( lpsf2 );
 550     }
 551
 552     /* My Computer is already sorted and trying to do a simple text
 553      * sort will only mess things up */
 554     if (!_ILIsMyComputer(lptvid->lpi))
 555         SendMessageW( info->hwndTreeView, TVM_SORTCHILDREN,
 556                       FALSE, (LPARAM)pnmtv->itemNew.hItem );
 557
 558     return 0;
 559 }
 560
 561 static HRESULT BrsFolder_Treeview_Changed( browse_info *info, NMTREEVIEWW *pnmtv )
 562 {
 563     LPTV_ITEMDATA lptvid = (LPTV_ITEMDATA) pnmtv->itemNew.lParam;
 564     WCHAR name[MAX_PATH];
 565
 566     ILFree(info->pidlRet);
 567     info->pidlRet = ILClone(lptvid->lpifq);
 568
 569     if (GetName(lptvid->lpsfParent, lptvid->lpi, SHGDN_NORMAL, name))
 570             SetWindowTextW( GetDlgItem(info->hWnd, IDD_FOLDERTEXT), name );
 571
 572     browsefolder_callback( info->lpBrowseInfo, info->hWnd, BFFM_SELCHANGED,
 573                            (LPARAM)info->pidlRet );
 574     BrsFolder_CheckValidSelection( info, lptvid );
 575     return S_OK;
 576 }
 577
 578 static LRESULT BrsFolder_Treeview_Rename(browse_info *info, NMTVDISPINFOW *pnmtv)
 579 {
 580     LPTV_ITEMDATA item_data;
 581     WCHAR old_path[MAX_PATH], new_path[MAX_PATH], *p;
 582     NMTREEVIEWW nmtv;
 583     TVITEMW item;
 584
 585     if(!pnmtv->item.pszText)
 586         return 0;
 587
 588     item.mask = TVIF_HANDLE|TVIF_PARAM;
 589     item.hItem = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_CARET, 0);
 590     SendMessageW(info->hwndTreeView, TVM_GETITEMW, 0, (LPARAM)&item);
 591     item_data = (LPTV_ITEMDATA)item.lParam;
 592
 593     SHGetPathFromIDListW(item_data->lpifq, old_path);
 594     if(!(p = strrchrW(old_path, '\\')))
 595         return 0;
 596     p = new_path+(p-old_path+1);
 597     memcpy(new_path, old_path, (p-new_path)*sizeof(WCHAR));
 598     strcpyW(p, pnmtv->item.pszText);
 599
 600     if(!MoveFileW(old_path, new_path))
 601         return 0;
 602
 603     SHFree(item_data->lpifq);
 604     SHFree(item_data->lpi);
 605     item_data->lpifq = SHSimpleIDListFromPathW(new_path);
 606     IShellFolder_ParseDisplayName(item_data->lpsfParent, NULL, NULL,
 607             pnmtv->item.pszText, NULL, &item_data->lpi, NULL);
 608
 609     item.mask = TVIF_HANDLE|TVIF_TEXT;
 610     item.pszText = pnmtv->item.pszText;
 611     SendMessageW(info->hwndTreeView, TVM_SETITEMW, 0, (LPARAM)&item);
 612
 613     nmtv.itemNew.lParam = item.lParam;
 614     BrsFolder_Treeview_Changed(info, &nmtv);
 615     return 0;
 616 }
 617
 618 static LRESULT BrsFolder_OnNotify( browse_info *info, UINT CtlID, LPNMHDR lpnmh )
 619 {
 620     NMTREEVIEWW *pnmtv = (NMTREEVIEWW *)lpnmh;
 621
 622     TRACE("%p %x %p msg=%x\n", info, CtlID, lpnmh, pnmtv->hdr.code);
 623
 624     if (pnmtv->hdr.idFrom != IDD_TREEVIEW)
 625         return 0;
 626
 627     switch (pnmtv->hdr.code)
 628     {
 629     case TVN_DELETEITEMA:
 630     case TVN_DELETEITEMW:
 631         return BrsFolder_Treeview_Delete( info, pnmtv );
 632
 633     case TVN_ITEMEXPANDINGA:
 634     case TVN_ITEMEXPANDINGW:
 635         return BrsFolder_Treeview_Expand( info, pnmtv );
 636
 637     case TVN_SELCHANGEDA:
 638     case TVN_SELCHANGEDW:
 639         return BrsFolder_Treeview_Changed( info, pnmtv );
 640
 641     case TVN_ENDLABELEDITA:
 642     case TVN_ENDLABELEDITW:
 643         return BrsFolder_Treeview_Rename( info, (LPNMTVDISPINFOW)pnmtv );
 644
 645     default:
 646         WARN("unhandled (%d)\n", pnmtv->hdr.code);
 647         break;
 648     }
 649
 650     return 0;
 651 }
 652
 653
 654 static BOOL BrsFolder_OnCreate( HWND hWnd, browse_info *info )
 655 {
 656     LPBROWSEINFOW lpBrowseInfo = info->lpBrowseInfo;
 657
 658     info->hWnd = hWnd;
 659     SetPropW( hWnd, szBrowseFolderInfo, info );
 660
 661     if (lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE)
 662         FIXME("flags BIF_NEWDIALOGSTYLE partially implemented\n");
 663     if (lpBrowseInfo->ulFlags & ~SUPPORTEDFLAGS)
 664         FIXME("flags %x not implemented\n", lpBrowseInfo->ulFlags & ~SUPPORTEDFLAGS);
 665
 666     if (lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE)
 667     {
 668         RECT rcWnd;
 669
 670         info->layout = LayoutInit(hWnd, g_layout_info, LAYOUT_INFO_COUNT);
 671
 672         /* TODO: Windows allows shrinking the windows a bit */
 673         GetWindowRect(hWnd, &rcWnd);
 674         info->szMin.cx = rcWnd.right - rcWnd.left;
 675         info->szMin.cy = rcWnd.bottom - rcWnd.top;
 676     }
 677     else
 678     {
 679         info->layout = NULL;
 680     }
 681
 682     if (lpBrowseInfo->lpszTitle)
 683         SetWindowTextW( GetDlgItem(hWnd, IDD_TITLE), lpBrowseInfo->lpszTitle );
 684     else
 685         ShowWindow( GetDlgItem(hWnd, IDD_TITLE), SW_HIDE );
 686
 687     if (!(lpBrowseInfo->ulFlags & BIF_STATUSTEXT)
 688         || (lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE))
 689         ShowWindow( GetDlgItem(hWnd, IDD_STATUS), SW_HIDE );
 690
 691     /* Hide "Make New Folder" Button? */
 692     if ((lpBrowseInfo->ulFlags & BIF_NONEWFOLDERBUTTON)
 693         || !(lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE))
 694         ShowWindow( GetDlgItem(hWnd, IDD_MAKENEWFOLDER), SW_HIDE );
 695
 696     /* Hide the editbox? */
 697     if (!(lpBrowseInfo->ulFlags & BIF_EDITBOX))
 698     {
 699         ShowWindow( GetDlgItem(hWnd, IDD_FOLDER), SW_HIDE );
 700         ShowWindow( GetDlgItem(hWnd, IDD_FOLDERTEXT), SW_HIDE );
 701     }
 702
 703     info->hwndTreeView = GetDlgItem( hWnd, IDD_TREEVIEW );
 704     if (info->hwndTreeView)
 705     {
 706         InitializeTreeView( info );
 707
 708         /* Resize the treeview if there's not editbox */
 709         if ((lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE)
 710             && !(lpBrowseInfo->ulFlags & BIF_EDITBOX))
 711         {
 712             RECT rc;
 713             GetClientRect(info->hwndTreeView, &rc);
 714             SetWindowPos(info->hwndTreeView, HWND_TOP, 0, 0,
 715                          rc.right, rc.bottom + 40, SWP_NOMOVE);
 716         }
 717     }
 718     else
 719         ERR("treeview control missing!\n");
 720
 721     browsefolder_callback( info->lpBrowseInfo, hWnd, BFFM_INITIALIZED, 0 );
 722
 723     return TRUE;
 724 }
 725
 726 static HRESULT BrsFolder_Rename(browse_info *info, HTREEITEM rename)
 727 {
 728     SendMessageW(info->hwndTreeView, TVM_SELECTITEM, TVGN_CARET, (LPARAM)rename);
 729     SendMessageW(info->hwndTreeView, TVM_EDITLABELW, 0, (LPARAM)rename);
 730     return S_OK;
 731 }
 732
 733 static HRESULT BrsFolder_NewFolder(browse_info *info)
 734 {
 735     DWORD flags = BrowseFlagsToSHCONTF(info->lpBrowseInfo->ulFlags);
 736     IShellFolder *desktop, *cur;
 737     ISFHelper *sfhelper;
 738     WCHAR name[MAX_PATH];
 739     HTREEITEM parent, added;
 740     LPTV_ITEMDATA item_data;
 741     LPITEMIDLIST new_item;
 742     TVITEMW item;
 743     HRESULT hr;
 744     int len;
 745
 746     if(!info->pidlRet) {
 747         ERR("Make new folder button should be disabled\n");
 748         return E_FAIL;
 749     }
 750
 751     /* Create new directory */
 752     hr = SHGetDesktopFolder(&desktop);
 753     if(FAILED(hr))
 754         return hr;
 755     hr = IShellFolder_BindToObject(desktop, info->pidlRet, 0, &IID_IShellFolder, (void**)&cur);
 756     IShellFolder_Release(desktop);
 757     if(FAILED(hr))
 758         return hr;
 759
 760     hr = IShellFolder_QueryInterface(cur, &IID_ISFHelper, (void**)&sfhelper);
 761     if(FAILED(hr))
 762         return hr;
 763
 764     if(!SHGetPathFromIDListW(info->pidlRet, name)) {
 765         hr = E_FAIL;
 766         goto cleanup;
 767     }
 768
 769     len = strlenW(name);
 770     if(len<MAX_PATH)
 771         name[len++] = '\\';
 772     hr = ISFHelper_GetUniqueName(sfhelper, &name[len], MAX_PATH-len);
 773     ISFHelper_Release(sfhelper);
 774     if(FAILED(hr))
 775         goto cleanup;
 776
 777     hr = E_FAIL;
 778     if(!CreateDirectoryW(name, NULL))
 779         goto cleanup;
 780
 781     /* Update parent of newly created directory */
 782     parent = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_CARET, 0);
 783     if(!parent)
 784         goto cleanup;
 785
 786     SendMessageW(info->hwndTreeView, TVM_EXPAND, TVE_EXPAND, (LPARAM)parent);
 787
 788     memset(&item, 0, sizeof(TVITEMW));
 789     item.mask = TVIF_PARAM|TVIF_STATE;
 790     item.hItem = parent;
 791     SendMessageW(info->hwndTreeView, TVM_GETITEMW, 0, (LPARAM)&item);
 792     item_data = (LPTV_ITEMDATA)item.lParam;
 793     if(!item_data)
 794         goto cleanup;
 795
 796     if(item_data->pEnumIL)
 797         IEnumIDList_Release(item_data->pEnumIL);
 798     hr = IShellFolder_EnumObjects(cur, info->hwndTreeView, flags, &item_data->pEnumIL);
 799     if(FAILED(hr))
 800         goto cleanup;
 801
 802     /* Update treeview */
 803     if(!(item.state&TVIS_EXPANDEDONCE)) {
 804         item.mask = TVIF_STATE;
 805         item.state = TVIS_EXPANDEDONCE;
 806         item.stateMask = TVIS_EXPANDEDONCE;
 807         SendMessageW(info->hwndTreeView, TVM_SETITEMW, 0, (LPARAM)&item);
 808     }
 809
 810     hr = IShellFolder_ParseDisplayName(cur, NULL, NULL, name+len, NULL, &new_item, NULL);
 811     if(FAILED(hr))
 812         goto cleanup;
 813
 814     added = InsertTreeViewItem(info, cur, new_item, item_data->lpifq, NULL, parent);
 815     IShellFolder_Release(cur);
 816     SHFree(new_item);
 817
 818     SendMessageW(info->hwndTreeView, TVM_SORTCHILDREN, FALSE, (LPARAM)parent);
 819     return BrsFolder_Rename(info, added);
 820
 821 cleanup:
 822     return hr;
 823 }
 824
 825 static BOOL BrsFolder_OnCommand( browse_info *info, UINT id )
 826 {
 827     LPBROWSEINFOW lpBrowseInfo = info->lpBrowseInfo;
 828
 829     switch (id)
 830     {
 831     case IDOK:
 832         if (info->pidlRet == NULL) /* A null pidl would mean a cancel */
 833             info->pidlRet = _ILCreateDesktop();
 834         pdump( info->pidlRet );
 835         if (lpBrowseInfo->pszDisplayName)
 836             SHGetPathFromIDListW( info->pidlRet, lpBrowseInfo->pszDisplayName );
 837         EndDialog( info->hWnd, 1 );
 838         return TRUE;
 839
 840     case IDCANCEL:
 841         EndDialog( info->hWnd, 0 );
 842         return TRUE;
 843
 844     case IDD_MAKENEWFOLDER:
 845         BrsFolder_NewFolder(info);
 846         return TRUE;
 847     }
 848     return FALSE;
 849 }
 850
 851 static BOOL BrsFolder_OnSetExpanded(browse_info *info, LPVOID selection,
 852     BOOL is_str, HTREEITEM *pItem)
 853 {
 854     LPITEMIDLIST pidlSelection = selection;
 855     LPCITEMIDLIST pidlCurrent, pidlRoot;
 856     TVITEMEXW item;
 857     BOOL bResult = FALSE;
 858
 859     memset(&item, 0, sizeof(item));
 860
 861     /* If 'selection' is a string, convert to a Shell ID List. */
 862     if (is_str) {
 863         IShellFolder *psfDesktop;
 864         HRESULT hr;
 865
 866         hr = SHGetDesktopFolder(&psfDesktop);
 867         if (FAILED(hr))
 868             goto done;
 869
 870         hr = IShellFolder_ParseDisplayName(psfDesktop, NULL, NULL,
 871                      selection, NULL, &pidlSelection, NULL);
 872         IShellFolder_Release(psfDesktop);
 873         if (FAILED(hr))
 874             goto done;
 875     }
 876
 877     /* Move pidlCurrent behind the SHITEMIDs in pidlSelection, which are the root of
 878      * the sub-tree currently displayed. */
 879     pidlRoot = info->lpBrowseInfo->pidlRoot;
 880     pidlCurrent = pidlSelection;
 881     while (!_ILIsEmpty(pidlRoot) && _ILIsEqualSimple(pidlRoot, pidlCurrent)) {
 882         pidlRoot = ILGetNext(pidlRoot);
 883         pidlCurrent = ILGetNext(pidlCurrent);
 884     }
 885
 886     /* The given ID List is not part of the SHBrowseForFolder's current sub-tree. */
 887     if (!_ILIsEmpty(pidlRoot))
 888         goto done;
 889
 890     /* Initialize item to point to the first child of the root folder. */
 891     item.mask = TVIF_PARAM;
 892     item.hItem = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_ROOT, 0);
 893
 894     if (item.hItem)
 895         item.hItem = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_CHILD,
 896                                              (LPARAM)item.hItem);
 897
 898     /* Walk the tree along the nodes corresponding to the remaining ITEMIDLIST */
 899     while (item.hItem && !_ILIsEmpty(pidlCurrent)) {
 900         LPTV_ITEMDATA pItemData;
 901
 902         SendMessageW(info->hwndTreeView, TVM_GETITEMW, 0, (LPARAM)&item);
 903         pItemData = (LPTV_ITEMDATA)item.lParam;
 904
 905         if (_ILIsEqualSimple(pItemData->lpi, pidlCurrent)) {
 906             pidlCurrent = ILGetNext(pidlCurrent);
 907             if (!_ILIsEmpty(pidlCurrent)) {
 908                 /* Only expand current node and move on to its first child,
 909                  * if we didn't already reach the last SHITEMID */
 910                 SendMessageW(info->hwndTreeView, TVM_EXPAND, TVE_EXPAND, (LPARAM)item.hItem);
 911                 item.hItem = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_CHILD,
 912                                              (LPARAM)item.hItem);
 913             }
 914         } else {
 915             item.hItem = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_NEXT,
 916                                              (LPARAM)item.hItem);
 917         }
 918     }
 919
 920     if (_ILIsEmpty(pidlCurrent) && item.hItem)
 921         bResult = TRUE;
 922
 923 done:
 924     if (pidlSelection && pidlSelection != selection)
 925         ILFree(pidlSelection);
 926
 927     if (pItem)
 928         *pItem = item.hItem;
 929
 930     return bResult;
 931 }
 932
 933 static BOOL BrsFolder_OnSetSelectionW(browse_info *info, LPVOID selection, BOOL is_str) {
 934     HTREEITEM hItem;
 935     BOOL bResult;
 936
 937     if (!selection) return FALSE;
 938
 939     bResult = BrsFolder_OnSetExpanded(info, selection, is_str, &hItem);
 940     if (bResult)
 941         SendMessageW(info->hwndTreeView, TVM_SELECTITEM, TVGN_CARET, (LPARAM)hItem );
 942     return bResult;
 943 }
 944
 945 static BOOL BrsFolder_OnSetSelectionA(browse_info *info, LPVOID selection, BOOL is_str) {
 946     LPWSTR selectionW = NULL;
 947     BOOL result = FALSE;
 948     int length;
 949
 950     if (!is_str)
 951         return BrsFolder_OnSetSelectionW(info, selection, is_str);
 952
 953     if ((length = MultiByteToWideChar(CP_ACP, 0, selection, -1, NULL, 0)) &&
 954         (selectionW = HeapAlloc(GetProcessHeap(), 0, length * sizeof(WCHAR))) &&
 955         MultiByteToWideChar(CP_ACP, 0, selection, -1, selectionW, length))
 956     {
 957         result = BrsFolder_OnSetSelectionW(info, selectionW, is_str);
 958     }
 959
 960     HeapFree(GetProcessHeap(), 0, selectionW);
 961     return result;
 962 }
 963
 964 static LRESULT BrsFolder_OnWindowPosChanging(browse_info *info, WINDOWPOS *pos)
 965 {
 966     if ((info->lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE) && !(pos->flags & SWP_NOSIZE))
 967     {
 968         if (pos->cx < info->szMin.cx)
 969             pos->cx = info->szMin.cx;
 970         if (pos->cy < info->szMin.cy)
 971             pos->cy = info->szMin.cy;
 972     }
 973     return 0;
 974 }
 975
 976 static INT BrsFolder_OnDestroy(browse_info *info)
 977 {
 978     if (info->layout)
 979     {
 980         SHFree(info->layout);
 981         info->layout = NULL;
 982     }
 983
 984     return 0;
 985 }
 986
 987 /*************************************************************************
 988  *             BrsFolderDlgProc32  (not an exported API function)
 989  */
 990 static INT_PTR CALLBACK BrsFolderDlgProc( HWND hWnd, UINT msg, WPARAM wParam,
 991                                           LPARAM lParam )
 992 {
 993     browse_info *info;
 994
 995     TRACE("hwnd=%p msg=%04x 0x%08lx 0x%08lx\n", hWnd, msg, wParam, lParam );
 996
 997     if (msg == WM_INITDIALOG)
 998         return BrsFolder_OnCreate( hWnd, (browse_info*) lParam );
 999
1000     info = GetPropW( hWnd, szBrowseFolderInfo );
1001
1002     switch (msg)
1003     {
1004     case WM_NOTIFY:
1005         return BrsFolder_OnNotify( info, (UINT)wParam, (LPNMHDR)lParam);
1006
1007     case WM_COMMAND:
1008         return BrsFolder_OnCommand( info, wParam );
1009
1010     case WM_WINDOWPOSCHANGING:
1011         return BrsFolder_OnWindowPosChanging( info, (WINDOWPOS *)lParam);
1012
1013     case WM_SIZE:
1014         if (info->layout)  /* new style dialogs */
1015             LayoutUpdate(hWnd, info->layout, g_layout_info, LAYOUT_INFO_COUNT);
1016         return 0;
1017
1018     case BFFM_SETSTATUSTEXTA:
1019         TRACE("Set status %s\n", debugstr_a((LPSTR)lParam));
1020         SetWindowTextA(GetDlgItem(hWnd, IDD_STATUS), (LPSTR)lParam);
1021         break;
1022
1023     case BFFM_SETSTATUSTEXTW:
1024         TRACE("Set status %s\n", debugstr_w((LPWSTR)lParam));
1025         SetWindowTextW(GetDlgItem(hWnd, IDD_STATUS), (LPWSTR)lParam);
1026         break;
1027
1028     case BFFM_ENABLEOK:
1029         TRACE("Enable %ld\n", lParam);
1030         EnableWindow(GetDlgItem(hWnd, 1), lParam != 0);
1031         break;
1032
1033     case BFFM_SETOKTEXT: /* unicode only */
1034         TRACE("Set OK text %s\n", debugstr_w((LPWSTR)lParam));
1035         SetWindowTextW(GetDlgItem(hWnd, 1), (LPWSTR)lParam);
1036         break;
1037
1038     case BFFM_SETSELECTIONA:
1039         return BrsFolder_OnSetSelectionA(info, (LPVOID)lParam, (BOOL)wParam);
1040
1041     case BFFM_SETSELECTIONW:
1042         return BrsFolder_OnSetSelectionW(info, (LPVOID)lParam, (BOOL)wParam);
1043
1044     case BFFM_SETEXPANDED: /* unicode only */
1045         return BrsFolder_OnSetExpanded(info, (LPVOID)lParam, (BOOL)wParam, NULL);
1046
1047     case WM_DESTROY:
1048         return BrsFolder_OnDestroy(info);
1049     }
1050     return FALSE;
1051 }
1052
1053 static const WCHAR swBrowseTemplateName[] = {
1054     'S','H','B','R','S','F','O','R','F','O','L','D','E','R','_','M','S','G','B','O','X',0};
1055 static const WCHAR swNewBrowseTemplateName[] = {
1056     'S','H','N','E','W','B','R','S','F','O','R','F','O','L','D','E','R','_','M','S','G','B','O','X',0};
1057
1058 /*************************************************************************
1059  * SHBrowseForFolderA [SHELL32.@]
1060  * SHBrowseForFolder  [SHELL32.@]
1061  */
1062 LPITEMIDLIST WINAPI SHBrowseForFolderA (LPBROWSEINFOA lpbi)
1063 {
1064     BROWSEINFOW bi;
1065     LPITEMIDLIST lpid;
1066     INT len;
1067     LPWSTR title;
1068
1069     TRACE("%p\n", lpbi);
1070
1071     bi.hwndOwner = lpbi->hwndOwner;
1072     bi.pidlRoot = lpbi->pidlRoot;
1073     if (lpbi->pszDisplayName)
1074         bi.pszDisplayName = HeapAlloc( GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR) );
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     INITCOMMONCONTROLSEX icex;
1118
1119     info.hWnd = 0;
1120     info.pidlRet = NULL;
1121     info.lpBrowseInfo = lpbi;
1122     info.hwndTreeView = NULL;
1123
1124     icex.dwSize = sizeof( icex );
1125     icex.dwICC = ICC_TREEVIEW_CLASSES;
1126     InitCommonControlsEx( &icex );
1127
1128     hr = OleInitialize(NULL);
1129
1130     if (lpbi->ulFlags & BIF_NEWDIALOGSTYLE)
1131         templateName = swNewBrowseTemplateName;
1132     else
1133         templateName = swBrowseTemplateName;
1134     r = DialogBoxParamW( shell32_hInstance, templateName, lpbi->hwndOwner,
1135                          BrsFolderDlgProc, (LPARAM)&info );
1136     if (SUCCEEDED(hr))
1137         OleUninitialize();
1138     if (!r)
1139     {
1140         ILFree(info.pidlRet);
1141         return NULL;
1142     }
1143
1144     return info.pidlRet;
1145 }