dlls/shell32/brsfolder.c - wine - Git at Google

 /*
  * Copyright 1999 Juergen Schmied
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
  * FIXME:
  *  - many memory leaks
  *  - many flags unimplemented
  */

 #include <stdlib.h>
 #include <string.h>

 #define COBJMACROS
 #define NONAMELESSUNION
 #define NONAMELESSSTRUCT

 #include "wine/debug.h"
 #include "undocshell.h"
 #include "shlguid.h"
 #include "pidl.h"
 #include "shell32_main.h"
 #include "shellapi.h"
 #include "shresdef.h"

 WINE_DEFAULT_DEBUG_CHANNEL(shell);

 static HWND		hwndTreeView;
 static LPBROWSEINFOW	lpBrowseInfo;
 static LPITEMIDLIST	pidlRet;

 static void FillTreeView(LPSHELLFOLDER lpsf, LPITEMIDLIST  lpifq, HTREEITEM hParent, IEnumIDList* lpe);
 static HTREEITEM InsertTreeViewItem(IShellFolder * lpsf, LPCITEMIDLIST pidl, LPCITEMIDLIST pidlParent, IEnumIDList* pEnumIL, HTREEITEM hParent);

 #define SUPPORTEDFLAGS (BIF_STATUSTEXT | \
                         BIF_BROWSEFORCOMPUTER | \
                         BIF_RETURNFSANCESTORS | \
                         BIF_RETURNONLYFSDIRS | \
                         BIF_BROWSEINCLUDEFILES)

 static inline DWORD BrowseFlagsToSHCONTF(UINT ulFlags)
 {
     return SHCONTF_FOLDERS | (ulFlags & BIF_BROWSEINCLUDEFILES ? SHCONTF_NONFOLDERS : 0);
 }

 /******************************************************************************
  * InitializeTreeView [Internal]
  *
  * Called from WM_INITDIALOG handler.
  *
  * PARAMS
  *  hwndParent [I] The BrowseForFolder dialog
  *  root       [I] ITEMIDLIST of the root shell folder
  */
 static void InitializeTreeView(HWND hwndParent, LPCITEMIDLIST root)
 {
     LPITEMIDLIST pidlParent, pidlChild;
     HIMAGELIST hImageList;
     HRESULT hr;
     IShellFolder *lpsfParent, *lpsfRoot;
     IEnumIDList * pEnumChildren = NULL;

     TRACE("dlg=%p tree=%p\n", hwndParent, hwndTreeView );

     hwndTreeView = GetDlgItem (hwndParent, IDD_TREEVIEW);
     if (!hwndTreeView) {
         FIXME("Could not get handle to treeview control! Error: %08lx\n", GetLastError());
         return;
     }
     Shell_GetImageList(NULL, &hImageList);

     if (hImageList)
         TreeView_SetImageList(hwndTreeView, hImageList, 0);

     /* We want to call InsertTreeViewItem down the code, in order to insert
      * the root item of the treeview. Due to InsertTreeViewItem's signature,
      * we need the following to do this:
      *
      * + An ITEMIDLIST corresponding to _the parent_ of root.
      * + An ITEMIDLIST, which is a relative path from root's parent to root
      *   (containing a single SHITEMID).
      * + An IShellFolder interface pointer of root's parent folder.
      *
      * If root is 'Desktop', then root's parent is also 'Desktop'.
      */

     pidlParent = ILClone(root);
     ILRemoveLastID(pidlParent);
     pidlChild = ILClone(ILFindLastID(root));

     if (_ILIsDesktop(pidlParent)) {
         hr = SHGetDesktopFolder(&lpsfParent);
     } else {
         IShellFolder *lpsfDesktop;
         hr = SHGetDesktopFolder(&lpsfDesktop);
         if (!SUCCEEDED(hr)) {
             WARN("SHGetDesktopFolder failed! hr = %08lx\n", hr);
             return;
         }
         hr = IShellFolder_BindToObject(lpsfDesktop, pidlParent, 0, &IID_IShellFolder, (LPVOID*)&lpsfParent);
         IShellFolder_Release(lpsfDesktop);
     }

     if (!SUCCEEDED(hr)) {
         WARN("Could not bind to parent shell folder! hr = %08lx\n", hr);
         return;
     }

     if (pidlChild && pidlChild->mkid.cb) {
         hr = IShellFolder_BindToObject(lpsfParent, pidlChild, 0, &IID_IShellFolder, (LPVOID*)&lpsfRoot);
     } else {
         lpsfRoot = lpsfParent;
         hr = IShellFolder_AddRef(lpsfParent);
     }

     if (!SUCCEEDED(hr)) {
         WARN("Could not bind to root shell folder! hr = %08lx\n", hr);
         IShellFolder_Release(lpsfParent);
         return;
     }

     hr = IShellFolder_EnumObjects(lpsfRoot, hwndParent, BrowseFlagsToSHCONTF(lpBrowseInfo->ulFlags), &pEnumChildren);
     if (!SUCCEEDED(hr)) {
         WARN("Could not get child iterator! hr = %08lx\n", hr);
         IShellFolder_Release(lpsfParent);
         IShellFolder_Release(lpsfRoot);
         return;
     }

     TreeView_DeleteAllItems(hwndTreeView);
     TreeView_Expand(hwndTreeView, InsertTreeViewItem(lpsfParent, pidlChild, pidlParent, pEnumChildren,  TVI_ROOT), TVE_EXPAND);

     IShellFolder_Release(lpsfRoot);
     IShellFolder_Release(lpsfParent);
 }

 static int GetIcon(LPITEMIDLIST lpi, UINT uFlags)
 {
 	SHFILEINFOW    sfi;
 	SHGetFileInfoW((LPCWSTR)lpi, 0 ,&sfi, sizeof(SHFILEINFOW), uFlags);
 	return sfi.iIcon;
 }

 static void GetNormalAndSelectedIcons(LPITEMIDLIST lpifq, LPTVITEMW lpTV_ITEM)
 {
 	LPITEMIDLIST pidlDesktop = NULL;

 	TRACE("%p %p\n",lpifq, lpTV_ITEM);

 	if (!lpifq)
 	{
 	    pidlDesktop = _ILCreateDesktop();
 	    lpifq = pidlDesktop;
 	}

 	lpTV_ITEM->iImage = GetIcon(lpifq, SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON);
 	lpTV_ITEM->iSelectedImage = GetIcon(lpifq, SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON | SHGFI_OPENICON);

 	if (pidlDesktop)
 	    ILFree(pidlDesktop);

 	return;
 }

 typedef struct tagID
 {
    LPSHELLFOLDER lpsfParent; /* IShellFolder of the parent */
    LPITEMIDLIST  lpi;        /* PIDL relativ to parent */
    LPITEMIDLIST  lpifq;      /* Fully qualified PIDL */
    IEnumIDList*  pEnumIL;    /* Children iterator */
 } TV_ITEMDATA, *LPTV_ITEMDATA;

 /******************************************************************************
  * GetName [Internal]
  *
  * Query a shell folder for the display name of one of it's children
  *
  * PARAMS
  *  lpsf           [I] IShellFolder interface of the folder to be queried.
  *  lpi            [I] ITEMIDLIST of the child, relative to parent
  *  dwFlags        [I] as in IShellFolder::GetDisplayNameOf
  *  lpFriendlyName [O] The desired display name in unicode
  *
  * RETURNS
  *  Success: TRUE
  *  Failure: FALSE
  */
 static BOOL GetName(LPSHELLFOLDER lpsf, LPCITEMIDLIST lpi, DWORD dwFlags, LPWSTR lpFriendlyName)
 {
 	BOOL   bSuccess=TRUE;
 	STRRET str;

 	TRACE("%p %p %lx %p\n", lpsf, lpi, dwFlags, lpFriendlyName);
 	if (SUCCEEDED(IShellFolder_GetDisplayNameOf(lpsf, lpi, dwFlags, &str)))
 	{
 	  if (FAILED(StrRetToStrNW(lpFriendlyName, MAX_PATH, &str, lpi)))
 	  {
 	      bSuccess = FALSE;
 	  }
 	}
 	else
 	  bSuccess = FALSE;

 	TRACE("-- %s\n", debugstr_w(lpFriendlyName));
 	return bSuccess;
 }

 /******************************************************************************
  * InsertTreeViewItem [Internal]
  *
  * PARAMS
  *  lpsf       [I] IShellFolder interface of the item's parent shell folder
  *  pidl       [I] ITEMIDLIST of the child to insert, relativ to parent
  *  pidlParent [I] ITEMIDLIST of the parent shell folder
  *  pEnumIL    [I] Iterator for the children of the item to be inserted
  *  hParent    [I] The treeview-item that represents the parent shell folder
  *
  * RETURNS
  *  Success: Handle to the created and inserted treeview-item
  *  Failure: NULL
  */
 static HTREEITEM InsertTreeViewItem(IShellFolder * lpsf, LPCITEMIDLIST pidl,
     LPCITEMIDLIST pidlParent, IEnumIDList* pEnumIL, HTREEITEM hParent)
 {
 	TVITEMW 	tvi;
 	TVINSERTSTRUCTW	tvins;
 	WCHAR		szBuff[MAX_PATH];
 	LPTV_ITEMDATA	lptvid=0;

 	tvi.mask  = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_PARAM;

 	tvi.cChildren= pEnumIL ? 1 : 0;
 	tvi.mask |= TVIF_CHILDREN;

 	if (!(lptvid = (LPTV_ITEMDATA)SHAlloc(sizeof(TV_ITEMDATA))))
 	    return NULL;

 	if (!GetName(lpsf, pidl, SHGDN_NORMAL, szBuff))
 	    return NULL;

 	tvi.pszText    = szBuff;
 	tvi.cchTextMax = MAX_PATH;
 	tvi.lParam = (LPARAM)lptvid;

 	IShellFolder_AddRef(lpsf);
 	lptvid->lpsfParent = lpsf;
 	lptvid->lpi	= ILClone(pidl);
 	lptvid->lpifq	= pidlParent ? ILCombine(pidlParent, pidl) : ILClone(pidl);
 	lptvid->pEnumIL = pEnumIL;
 	GetNormalAndSelectedIcons(lptvid->lpifq, &tvi);

 	tvins.u.item       = tvi;
 	tvins.hInsertAfter = NULL;
 	tvins.hParent      = hParent;

 	return (HTREEITEM)TreeView_InsertItemW(hwndTreeView, &tvins);
 }

 /******************************************************************************
  * FillTreeView [Internal]
  *
  * For each child (given by lpe) of the parent shell folder, which is given by
  * lpsf and whose PIDL is pidl, insert a treeview-item right under hParent
  *
  * PARAMS
  *  lpsf    [I] IShellFolder interface of the parent shell folder
  *  pidl    [I] ITEMIDLIST of the parent shell folder
  *  hParent [I] The treeview item that represents the parent shell folder
  *  lpe     [I] An iterator for the children of the parent shell folder
  */
 static void FillTreeView(IShellFolder * lpsf, LPITEMIDLIST  pidl, HTREEITEM hParent, IEnumIDList* lpe)
 {
 	HTREEITEM	hPrev = 0;
 	LPITEMIDLIST	pidlTemp = 0;
 	ULONG		ulFetched;
 	HRESULT		hr;
 	HWND		hwnd=GetParent(hwndTreeView);

 	TRACE("%p %p %x %p\n",lpsf, pidl, (INT)hParent, lpe);

 	/* No IEnumIDList -> No children */
 	if (!lpe) return;

 	SetCapture(GetParent(hwndTreeView));
 	SetCursor(LoadCursorA(0, (LPSTR)IDC_WAIT));

 	while (NOERROR == IEnumIDList_Next(lpe,1,&pidlTemp,&ulFetched))
 	{
 	    ULONG ulAttrs = SFGAO_HASSUBFOLDER | SFGAO_FOLDER;
 	    IEnumIDList* pEnumIL = NULL;
 	    IShellFolder* pSFChild = NULL;
 	    IShellFolder_GetAttributesOf(lpsf, 1, (LPCITEMIDLIST*)&pidlTemp, &ulAttrs);
 	    if (ulAttrs & SFGAO_FOLDER)
 	    {
 	        hr = IShellFolder_BindToObject(lpsf,pidlTemp,NULL,&IID_IShellFolder,(LPVOID*)&pSFChild);
 	        if (SUCCEEDED(hr))
                 {
 	            hr = IShellFolder_EnumObjects(pSFChild, hwnd, BrowseFlagsToSHCONTF(lpBrowseInfo->ulFlags), &pEnumIL);
                     if (SUCCEEDED(hr))
                     {
                         if ((IEnumIDList_Skip(pEnumIL, 1) != S_OK) || FAILED(IEnumIDList_Reset(pEnumIL)))
                         {
                             IEnumIDList_Release(pEnumIL);
                             pEnumIL = NULL;
                         }
                     }
                     IShellFolder_Release(pSFChild);
                 }
 	    }

 	    if (!(hPrev = InsertTreeViewItem(lpsf, pidlTemp, pidl, pEnumIL, hParent)))
 	        goto Done;
 	    SHFree(pidlTemp);  /* Finally, free the pidl that the shell gave us... */
 	    pidlTemp=NULL;
 	}

 Done:
 	ReleaseCapture();
 	SetCursor(LoadCursorW(0, (LPWSTR)IDC_ARROW));

 	if (pidlTemp)
 	  SHFree(pidlTemp);
 }

 static inline BOOL PIDLIsType(LPCITEMIDLIST pidl, PIDLTYPE type)
 {
     LPPIDLDATA data = _ILGetDataPointer(pidl);
     if (!data)
         return FALSE;
     return (data->type == type);
 }

 static void BrsFolder_CheckValidSelection(HWND hWndTree, LPTV_ITEMDATA lptvid)
 {
     LPCITEMIDLIST pidl = lptvid->lpi;
     BOOL bEnabled = TRUE;
     DWORD dwAttributes;
     if ((lpBrowseInfo->ulFlags & BIF_BROWSEFORCOMPUTER) &&
         !PIDLIsType(pidl, PT_COMP))
         bEnabled = FALSE;
     if (lpBrowseInfo->ulFlags & BIF_RETURNFSANCESTORS)
     {
         dwAttributes = SFGAO_FILESYSANCESTOR | SFGAO_FILESYSTEM;
         if (FAILED(IShellFolder_GetAttributesOf(lptvid->lpsfParent, 1, (LPCITEMIDLIST*)&lptvid->lpi, &dwAttributes)) ||
             !dwAttributes)
             bEnabled = FALSE;
     }
     if (lpBrowseInfo->ulFlags & BIF_RETURNONLYFSDIRS)
     {
         dwAttributes = SFGAO_FOLDER | SFGAO_FILESYSTEM;
         if (FAILED(IShellFolder_GetAttributesOf(lptvid->lpsfParent, 1, (LPCITEMIDLIST*)&lptvid->lpi, &dwAttributes)) ||
             (dwAttributes != (SFGAO_FOLDER | SFGAO_FILESYSTEM)))
             bEnabled = FALSE;
     }
     SendMessageW(hWndTree, BFFM_ENABLEOK, 0, (LPARAM)bEnabled);
 }

 static LRESULT MsgNotify(HWND hWnd,  UINT CtlID, LPNMHDR lpnmh)
 {
 	NMTREEVIEWW	*pnmtv   = (NMTREEVIEWW *)lpnmh;
 	LPTV_ITEMDATA	lptvid;  /* Long pointer to TreeView item data */
 	IShellFolder *	lpsf2=0;


 	TRACE("%p %x %p msg=%x\n", hWnd,  CtlID, lpnmh, pnmtv->hdr.code);

 	switch (pnmtv->hdr.idFrom)
 	{ case IDD_TREEVIEW:
 	    switch (pnmtv->hdr.code)
 	    {
 	      case TVN_DELETEITEMA:
 	      case TVN_DELETEITEMW:
                 TRACE("TVN_DELETEITEMA/W\n");
 	        lptvid=(LPTV_ITEMDATA)pnmtv->itemOld.lParam;
 	        IShellFolder_Release(lptvid->lpsfParent);
 	        if (lptvid->pEnumIL)
 	          IEnumIDList_Release(lptvid->pEnumIL);
 	        SHFree(lptvid->lpi);
 	        SHFree(lptvid->lpifq);
 	        SHFree(lptvid);
 	        break;

 	      case TVN_ITEMEXPANDINGA:
 	      case TVN_ITEMEXPANDINGW:
 		{
                   TRACE("TVN_ITEMEXPANDINGA/W\n");
 		  if ((pnmtv->itemNew.state & TVIS_EXPANDEDONCE))
 	            break;

 	          lptvid=(LPTV_ITEMDATA)pnmtv->itemNew.lParam;
 	          if (SUCCEEDED(IShellFolder_BindToObject(lptvid->lpsfParent, lptvid->lpi,0,(REFIID)&IID_IShellFolder,(LPVOID *)&lpsf2)))
 	          { FillTreeView( lpsf2, lptvid->lpifq, pnmtv->itemNew.hItem, lptvid->pEnumIL);
 	          }
 	          /* My Computer is already sorted and trying to do a simple text
 	           * sort will only mess things up */
 	          if (!_ILIsMyComputer(lptvid->lpi))
 	            TreeView_SortChildren(hwndTreeView, pnmtv->itemNew.hItem, FALSE);
 		}
 	        break;
 	      case TVN_SELCHANGEDA:
 	      case TVN_SELCHANGEDW:
 	        lptvid=(LPTV_ITEMDATA)pnmtv->itemNew.lParam;
 		pidlRet = lptvid->lpifq;
 		if (lpBrowseInfo->lpfn)
 		   (lpBrowseInfo->lpfn)(hWnd, BFFM_SELCHANGED, (LPARAM)pidlRet, lpBrowseInfo->lParam);
 		BrsFolder_CheckValidSelection(hWnd, lptvid);
 	        break;

 	      default:
 	        WARN("unhandled (%d)\n", pnmtv->hdr.code);
 		break;
 	    }
 	    break;

 	  default:
 	    break;
 	}

 	return 0;
 }


 /*************************************************************************
  *             BrsFolderDlgProc32  (not an exported API function)
  */
 static INT_PTR CALLBACK BrsFolderDlgProc(HWND hWnd, UINT msg, WPARAM wParam,
 				     LPARAM lParam )
 {
 	TRACE("hwnd=%p msg=%04x 0x%08x 0x%08lx\n", hWnd,  msg, wParam, lParam );

 	switch(msg)
 	{ case WM_INITDIALOG:
 	    pidlRet = NULL;
 	    lpBrowseInfo = (LPBROWSEINFOW) lParam;
 	    if (lpBrowseInfo->ulFlags & ~SUPPORTEDFLAGS)
 	      FIXME("flags %x not implemented\n", lpBrowseInfo->ulFlags & ~SUPPORTEDFLAGS);
 	    if (lpBrowseInfo->lpszTitle) {
 	       SetWindowTextW(GetDlgItem(hWnd, IDD_TITLE), lpBrowseInfo->lpszTitle);
 	    } else {
 	       ShowWindow(GetDlgItem(hWnd, IDD_TITLE), SW_HIDE);
 	    }
 	    if (!(lpBrowseInfo->ulFlags & BIF_STATUSTEXT))
 	       ShowWindow(GetDlgItem(hWnd, IDD_STATUS), SW_HIDE);

 	    InitializeTreeView(hWnd, lpBrowseInfo->pidlRoot);

 	    if (lpBrowseInfo->lpfn)
 	       (lpBrowseInfo->lpfn)(hWnd, BFFM_INITIALIZED, 0, lpBrowseInfo->lParam);

 	    return TRUE;

 	  case WM_NOTIFY:
 	    MsgNotify( hWnd, (UINT)wParam, (LPNMHDR)lParam);
 	    break;

 	  case WM_COMMAND:
 	    switch (wParam)
 	    { case IDOK:
 	        pdump ( pidlRet );
 		if (lpBrowseInfo->pszDisplayName)
 	            SHGetPathFromIDListW(pidlRet, lpBrowseInfo->pszDisplayName);
 	        EndDialog(hWnd, (DWORD) ILClone(pidlRet));
 	        return TRUE;

 	      case IDCANCEL:
 	        EndDialog(hWnd, 0);
 	        return TRUE;
 	    }
 	    break;
 	case BFFM_SETSTATUSTEXTA:
 	   TRACE("Set status %s\n", debugstr_a((LPSTR)lParam));
 	   SetWindowTextA(GetDlgItem(hWnd, IDD_STATUS), (LPSTR)lParam);
 	   break;
 	case BFFM_SETSTATUSTEXTW:
 	   TRACE("Set status %s\n", debugstr_w((LPWSTR)lParam));
 	   SetWindowTextW(GetDlgItem(hWnd, IDD_STATUS), (LPWSTR)lParam);
 	   break;
 	case BFFM_ENABLEOK:
 	   TRACE("Enable %ld\n", lParam);
 	   EnableWindow(GetDlgItem(hWnd, 1), (lParam)?TRUE:FALSE);
 	   break;
 	case BFFM_SETOKTEXT: /* unicode only */
 	   TRACE("Set OK text %s\n", debugstr_w((LPWSTR)wParam));
 	   SetWindowTextW(GetDlgItem(hWnd, 1), (LPWSTR)wParam);
 	   break;
 	case BFFM_SETSELECTIONA:
 	   if (wParam)
 	      FIXME("Set selection %s\n", debugstr_a((LPSTR)lParam));
 	   else
 	      FIXME("Set selection %p\n", (void*)lParam);
 	   break;
 	case BFFM_SETSELECTIONW:
 	   if (wParam)
 	      FIXME("Set selection %s\n", debugstr_w((LPWSTR)lParam));
 	   else
 	      FIXME("Set selection %p\n", (void*)lParam);
 	   break;
 	case BFFM_SETEXPANDED: /* unicode only */
 	   if (wParam)
 	      FIXME("Set expanded %s\n", debugstr_w((LPWSTR)lParam));
 	   else
 	      FIXME("Set expanded %p\n", (void*)lParam);
 	   break;
 	}
 	return FALSE;
 }

 static const WCHAR swBrowseTempName[] = {'S','H','B','R','S','F','O','R','F','O','L','D','E','R','_','M','S','G','B','O','X',0};

 /*************************************************************************
  * SHBrowseForFolderA [SHELL32.@]
  * SHBrowseForFolder  [SHELL32.@]
  */
 LPITEMIDLIST WINAPI SHBrowseForFolderA (LPBROWSEINFOA lpbi)
 {
 	BROWSEINFOW bi;
 	LPITEMIDLIST lpid;
 	INT len;

 	TRACE("(%p{lpszTitle=%s,owner=%p})\n", lpbi,
 	    lpbi ? debugstr_a(lpbi->lpszTitle) : NULL, lpbi ? lpbi->hwndOwner : NULL);

 	if (!lpbi)
 	  return NULL;

 	bi.hwndOwner = lpbi->hwndOwner;
 	bi.pidlRoot = lpbi->pidlRoot;
 	if (lpbi->pszDisplayName)
 	{
 	  /*lpbi->pszDisplayName is assumed to be MAX_PATH (MSDN) */
 	  bi.pszDisplayName = HeapAlloc(GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR));
 	  MultiByteToWideChar(CP_ACP, 0, lpbi->pszDisplayName, -1, bi.pszDisplayName, MAX_PATH);
 	}
 	else
 	  bi.pszDisplayName = NULL;

 	if (lpbi->lpszTitle)
 	{
 	  len = MultiByteToWideChar(CP_ACP, 0, lpbi->lpszTitle, -1, NULL, 0);
 	  bi.lpszTitle = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 	  MultiByteToWideChar(CP_ACP, 0, lpbi->lpszTitle, -1, (LPWSTR)bi.lpszTitle, len);
 	}
 	else
 	  bi.lpszTitle = NULL;

 	bi.ulFlags = lpbi->ulFlags;
 	bi.lpfn = lpbi->lpfn;
 	bi.lParam = lpbi->lParam;
 	bi.iImage = lpbi->iImage;
 	lpid = (LPITEMIDLIST) DialogBoxParamW(shell32_hInstance,
 	                                      swBrowseTempName, lpbi->hwndOwner,
 	                                      BrsFolderDlgProc, (INT)&bi);
 	if (bi.pszDisplayName)
 	{
 	  WideCharToMultiByte(CP_ACP, 0, bi.pszDisplayName, -1, lpbi->pszDisplayName, MAX_PATH, 0, NULL);
 	  HeapFree(GetProcessHeap(), 0, bi.pszDisplayName);
 	}
         HeapFree(GetProcessHeap(), 0, (LPVOID)bi.lpszTitle);
 	lpbi->iImage = bi.iImage;
 	return lpid;
 }


 /*************************************************************************
  * SHBrowseForFolderW [SHELL32.@]
  */
 LPITEMIDLIST WINAPI SHBrowseForFolderW (LPBROWSEINFOW lpbi)
 {
 	TRACE("((%p->{lpszTitle=%s,owner=%p})\n", lpbi,
 	    lpbi ? debugstr_w(lpbi->lpszTitle) : NULL, lpbi ? lpbi->hwndOwner : 0);

 	if (!lpbi)
 	  return NULL;

 	return (LPITEMIDLIST) DialogBoxParamW(shell32_hInstance,
 	                                      swBrowseTempName, lpbi->hwndOwner,
 	                                      BrsFolderDlgProc, (INT)lpbi);
 }
	/*
	* Copyright 1999 Juergen Schmied
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Lesser General Public
	* License as published by the Free Software Foundation; either
	* version 2.1 of the License, or (at your option) any later version.
	*
	* This library is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public
	* License along with this library; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*
	* FIXME:
	* - many memory leaks
	* - many flags unimplemented
	*/

	#include <stdlib.h>
	#include <string.h>

	#define COBJMACROS
	#define NONAMELESSUNION
	#define NONAMELESSSTRUCT

	#include "wine/debug.h"
	#include "undocshell.h"
	#include "shlguid.h"
	#include "pidl.h"
	#include "shell32_main.h"
	#include "shellapi.h"
	#include "shresdef.h"

	WINE_DEFAULT_DEBUG_CHANNEL(shell);

	static HWND hwndTreeView;
	static LPBROWSEINFOW lpBrowseInfo;
	static LPITEMIDLIST pidlRet;

	static void FillTreeView(LPSHELLFOLDER lpsf, LPITEMIDLIST lpifq, HTREEITEM hParent, IEnumIDList* lpe);
	static HTREEITEM InsertTreeViewItem(IShellFolder * lpsf, LPCITEMIDLIST pidl, LPCITEMIDLIST pidlParent, IEnumIDList* pEnumIL, HTREEITEM hParent);

	#define SUPPORTEDFLAGS (BIF_STATUSTEXT \| \
	BIF_BROWSEFORCOMPUTER \| \
	BIF_RETURNFSANCESTORS \| \
	BIF_RETURNONLYFSDIRS \| \
	BIF_BROWSEINCLUDEFILES)

	static inline DWORD BrowseFlagsToSHCONTF(UINT ulFlags)
	{
	return SHCONTF_FOLDERS \| (ulFlags & BIF_BROWSEINCLUDEFILES ? SHCONTF_NONFOLDERS : 0);
	}

	/******************************************************************************
	* InitializeTreeView [Internal]
	*
	* Called from WM_INITDIALOG handler.
	*
	* PARAMS
	* hwndParent [I] The BrowseForFolder dialog
	* root [I] ITEMIDLIST of the root shell folder
	*/
	static void InitializeTreeView(HWND hwndParent, LPCITEMIDLIST root)
	{
	LPITEMIDLIST pidlParent, pidlChild;
	HIMAGELIST hImageList;
	HRESULT hr;
	IShellFolder lpsfParent, lpsfRoot;
	IEnumIDList * pEnumChildren = NULL;

	TRACE("dlg=%p tree=%p\n", hwndParent, hwndTreeView );

	hwndTreeView = GetDlgItem (hwndParent, IDD_TREEVIEW);
	if (!hwndTreeView) {
	FIXME("Could not get handle to treeview control! Error: %08lx\n", GetLastError());
	return;
	}
	Shell_GetImageList(NULL, &hImageList);

	if (hImageList)
	TreeView_SetImageList(hwndTreeView, hImageList, 0);

	/* We want to call InsertTreeViewItem down the code, in order to insert
	* the root item of the treeview. Due to InsertTreeViewItem's signature,
	* we need the following to do this:
	*
	* + An ITEMIDLIST corresponding to _the parent_ of root.
	* + An ITEMIDLIST, which is a relative path from root's parent to root
	* (containing a single SHITEMID).
	* + An IShellFolder interface pointer of root's parent folder.
	*
	* If root is 'Desktop', then root's parent is also 'Desktop'.
	*/

	pidlParent = ILClone(root);
	ILRemoveLastID(pidlParent);
	pidlChild = ILClone(ILFindLastID(root));

	if (_ILIsDesktop(pidlParent)) {
	hr = SHGetDesktopFolder(&lpsfParent);
	} else {
	IShellFolder *lpsfDesktop;
	hr = SHGetDesktopFolder(&lpsfDesktop);
	if (!SUCCEEDED(hr)) {
	WARN("SHGetDesktopFolder failed! hr = %08lx\n", hr);
	return;
	}
	hr = IShellFolder_BindToObject(lpsfDesktop, pidlParent, 0, &IID_IShellFolder, (LPVOID*)&lpsfParent);
	IShellFolder_Release(lpsfDesktop);
	}

	if (!SUCCEEDED(hr)) {
	WARN("Could not bind to parent shell folder! hr = %08lx\n", hr);
	return;
	}

	if (pidlChild && pidlChild->mkid.cb) {
	hr = IShellFolder_BindToObject(lpsfParent, pidlChild, 0, &IID_IShellFolder, (LPVOID*)&lpsfRoot);
	} else {
	lpsfRoot = lpsfParent;
	hr = IShellFolder_AddRef(lpsfParent);
	}

	if (!SUCCEEDED(hr)) {
	WARN("Could not bind to root shell folder! hr = %08lx\n", hr);
	IShellFolder_Release(lpsfParent);
	return;
	}

	hr = IShellFolder_EnumObjects(lpsfRoot, hwndParent, BrowseFlagsToSHCONTF(lpBrowseInfo->ulFlags), &pEnumChildren);
	if (!SUCCEEDED(hr)) {
	WARN("Could not get child iterator! hr = %08lx\n", hr);
	IShellFolder_Release(lpsfParent);
	IShellFolder_Release(lpsfRoot);
	return;
	}

	TreeView_DeleteAllItems(hwndTreeView);
	TreeView_Expand(hwndTreeView, InsertTreeViewItem(lpsfParent, pidlChild, pidlParent, pEnumChildren, TVI_ROOT), TVE_EXPAND);

	IShellFolder_Release(lpsfRoot);
	IShellFolder_Release(lpsfParent);
	}

	static int GetIcon(LPITEMIDLIST lpi, UINT uFlags)
	{
	SHFILEINFOW sfi;
	SHGetFileInfoW((LPCWSTR)lpi, 0 ,&sfi, sizeof(SHFILEINFOW), uFlags);
	return sfi.iIcon;
	}

	static void GetNormalAndSelectedIcons(LPITEMIDLIST lpifq, LPTVITEMW lpTV_ITEM)
	{
	LPITEMIDLIST pidlDesktop = NULL;

	TRACE("%p %p\n",lpifq, lpTV_ITEM);

	if (!lpifq)
	{
	pidlDesktop = _ILCreateDesktop();
	lpifq = pidlDesktop;
	}

	lpTV_ITEM->iImage = GetIcon(lpifq, SHGFI_PIDL \| SHGFI_SYSICONINDEX \| SHGFI_SMALLICON);
	lpTV_ITEM->iSelectedImage = GetIcon(lpifq, SHGFI_PIDL \| SHGFI_SYSICONINDEX \| SHGFI_SMALLICON \| SHGFI_OPENICON);

	if (pidlDesktop)
	ILFree(pidlDesktop);

	return;
	}

	typedef struct tagID
	{
	LPSHELLFOLDER lpsfParent; /* IShellFolder of the parent */
	LPITEMIDLIST lpi; /* PIDL relativ to parent */
	LPITEMIDLIST lpifq; /* Fully qualified PIDL */
	IEnumIDList* pEnumIL; /* Children iterator */
	} TV_ITEMDATA, *LPTV_ITEMDATA;

	/******************************************************************************
	* GetName [Internal]
	*
	* Query a shell folder for the display name of one of it's children
	*
	* PARAMS
	* lpsf [I] IShellFolder interface of the folder to be queried.
	* lpi [I] ITEMIDLIST of the child, relative to parent
	* dwFlags [I] as in IShellFolder::GetDisplayNameOf
	* lpFriendlyName [O] The desired display name in unicode
	*
	* RETURNS
	* Success: TRUE
	* Failure: FALSE
	*/
	static BOOL GetName(LPSHELLFOLDER lpsf, LPCITEMIDLIST lpi, DWORD dwFlags, LPWSTR lpFriendlyName)
	{
	BOOL bSuccess=TRUE;
	STRRET str;

	TRACE("%p %p %lx %p\n", lpsf, lpi, dwFlags, lpFriendlyName);
	if (SUCCEEDED(IShellFolder_GetDisplayNameOf(lpsf, lpi, dwFlags, &str)))
	{
	if (FAILED(StrRetToStrNW(lpFriendlyName, MAX_PATH, &str, lpi)))
	{
	bSuccess = FALSE;
	}
	}
	else
	bSuccess = FALSE;

	TRACE("-- %s\n", debugstr_w(lpFriendlyName));
	return bSuccess;
	}

	/******************************************************************************
	* InsertTreeViewItem [Internal]
	*
	* PARAMS
	* lpsf [I] IShellFolder interface of the item's parent shell folder
	* pidl [I] ITEMIDLIST of the child to insert, relativ to parent
	* pidlParent [I] ITEMIDLIST of the parent shell folder
	* pEnumIL [I] Iterator for the children of the item to be inserted
	* hParent [I] The treeview-item that represents the parent shell folder
	*
	* RETURNS
	* Success: Handle to the created and inserted treeview-item
	* Failure: NULL
	*/
	static HTREEITEM InsertTreeViewItem(IShellFolder * lpsf, LPCITEMIDLIST pidl,
	LPCITEMIDLIST pidlParent, IEnumIDList* pEnumIL, HTREEITEM hParent)
	{
	TVITEMW tvi;
	TVINSERTSTRUCTW tvins;
	WCHAR szBuff[MAX_PATH];
	LPTV_ITEMDATA lptvid=0;

	tvi.mask = TVIF_TEXT \| TVIF_IMAGE \| TVIF_SELECTEDIMAGE \| TVIF_PARAM;

	tvi.cChildren= pEnumIL ? 1 : 0;
	tvi.mask \|= TVIF_CHILDREN;

	if (!(lptvid = (LPTV_ITEMDATA)SHAlloc(sizeof(TV_ITEMDATA))))
	return NULL;

	if (!GetName(lpsf, pidl, SHGDN_NORMAL, szBuff))
	return NULL;

	tvi.pszText = szBuff;
	tvi.cchTextMax = MAX_PATH;
	tvi.lParam = (LPARAM)lptvid;

	IShellFolder_AddRef(lpsf);
	lptvid->lpsfParent = lpsf;
	lptvid->lpi = ILClone(pidl);
	lptvid->lpifq = pidlParent ? ILCombine(pidlParent, pidl) : ILClone(pidl);
	lptvid->pEnumIL = pEnumIL;
	GetNormalAndSelectedIcons(lptvid->lpifq, &tvi);

	tvins.u.item = tvi;
	tvins.hInsertAfter = NULL;
	tvins.hParent = hParent;

	return (HTREEITEM)TreeView_InsertItemW(hwndTreeView, &tvins);
	}

	/******************************************************************************
	* FillTreeView [Internal]
	*
	* For each child (given by lpe) of the parent shell folder, which is given by
	* lpsf and whose PIDL is pidl, insert a treeview-item right under hParent
	*
	* PARAMS
	* lpsf [I] IShellFolder interface of the parent shell folder
	* pidl [I] ITEMIDLIST of the parent shell folder
	* hParent [I] The treeview item that represents the parent shell folder
	* lpe [I] An iterator for the children of the parent shell folder
	*/
	static void FillTreeView(IShellFolder * lpsf, LPITEMIDLIST pidl, HTREEITEM hParent, IEnumIDList* lpe)
	{
	HTREEITEM hPrev = 0;
	LPITEMIDLIST pidlTemp = 0;
	ULONG ulFetched;
	HRESULT hr;
	HWND hwnd=GetParent(hwndTreeView);

	TRACE("%p %p %x %p\n",lpsf, pidl, (INT)hParent, lpe);

	/* No IEnumIDList -> No children */
	if (!lpe) return;

	SetCapture(GetParent(hwndTreeView));
	SetCursor(LoadCursorA(0, (LPSTR)IDC_WAIT));

	while (NOERROR == IEnumIDList_Next(lpe,1,&pidlTemp,&ulFetched))
	{
	ULONG ulAttrs = SFGAO_HASSUBFOLDER \| SFGAO_FOLDER;
	IEnumIDList* pEnumIL = NULL;
	IShellFolder* pSFChild = NULL;
	IShellFolder_GetAttributesOf(lpsf, 1, (LPCITEMIDLIST*)&pidlTemp, &ulAttrs);
	if (ulAttrs & SFGAO_FOLDER)
	{
	hr = IShellFolder_BindToObject(lpsf,pidlTemp,NULL,&IID_IShellFolder,(LPVOID*)&pSFChild);
	if (SUCCEEDED(hr))
	{
	hr = IShellFolder_EnumObjects(pSFChild, hwnd, BrowseFlagsToSHCONTF(lpBrowseInfo->ulFlags), &pEnumIL);
	if (SUCCEEDED(hr))
	{
	if ((IEnumIDList_Skip(pEnumIL, 1) != S_OK) \|\| FAILED(IEnumIDList_Reset(pEnumIL)))
	{
	IEnumIDList_Release(pEnumIL);
	pEnumIL = NULL;
	}
	}
	IShellFolder_Release(pSFChild);
	}
	}

	if (!(hPrev = InsertTreeViewItem(lpsf, pidlTemp, pidl, pEnumIL, hParent)))
	goto Done;
	SHFree(pidlTemp); /* Finally, free the pidl that the shell gave us... */
	pidlTemp=NULL;
	}

	Done:
	ReleaseCapture();
	SetCursor(LoadCursorW(0, (LPWSTR)IDC_ARROW));

	if (pidlTemp)
	SHFree(pidlTemp);
	}

	static inline BOOL PIDLIsType(LPCITEMIDLIST pidl, PIDLTYPE type)
	{
	LPPIDLDATA data = _ILGetDataPointer(pidl);
	if (!data)
	return FALSE;
	return (data->type == type);
	}

	static void BrsFolder_CheckValidSelection(HWND hWndTree, LPTV_ITEMDATA lptvid)
	{
	LPCITEMIDLIST pidl = lptvid->lpi;
	BOOL bEnabled = TRUE;
	DWORD dwAttributes;
	if ((lpBrowseInfo->ulFlags & BIF_BROWSEFORCOMPUTER) &&
	!PIDLIsType(pidl, PT_COMP))
	bEnabled = FALSE;
	if (lpBrowseInfo->ulFlags & BIF_RETURNFSANCESTORS)
	{
	dwAttributes = SFGAO_FILESYSANCESTOR \| SFGAO_FILESYSTEM;
	if (FAILED(IShellFolder_GetAttributesOf(lptvid->lpsfParent, 1, (LPCITEMIDLIST*)&lptvid->lpi, &dwAttributes)) \|\|
	!dwAttributes)
	bEnabled = FALSE;
	}
	if (lpBrowseInfo->ulFlags & BIF_RETURNONLYFSDIRS)
	{
	dwAttributes = SFGAO_FOLDER \| SFGAO_FILESYSTEM;
	if (FAILED(IShellFolder_GetAttributesOf(lptvid->lpsfParent, 1, (LPCITEMIDLIST*)&lptvid->lpi, &dwAttributes)) \|\|
	(dwAttributes != (SFGAO_FOLDER \| SFGAO_FILESYSTEM)))
	bEnabled = FALSE;
	}
	SendMessageW(hWndTree, BFFM_ENABLEOK, 0, (LPARAM)bEnabled);
	}

	static LRESULT MsgNotify(HWND hWnd, UINT CtlID, LPNMHDR lpnmh)
	{
	NMTREEVIEWW pnmtv = (NMTREEVIEWW )lpnmh;
	LPTV_ITEMDATA lptvid; /* Long pointer to TreeView item data */
	IShellFolder * lpsf2=0;


	TRACE("%p %x %p msg=%x\n", hWnd, CtlID, lpnmh, pnmtv->hdr.code);

	switch (pnmtv->hdr.idFrom)
	{ case IDD_TREEVIEW:
	switch (pnmtv->hdr.code)
	{
	case TVN_DELETEITEMA:
	case TVN_DELETEITEMW:
	TRACE("TVN_DELETEITEMA/W\n");
	lptvid=(LPTV_ITEMDATA)pnmtv->itemOld.lParam;
	IShellFolder_Release(lptvid->lpsfParent);
	if (lptvid->pEnumIL)
	IEnumIDList_Release(lptvid->pEnumIL);
	SHFree(lptvid->lpi);
	SHFree(lptvid->lpifq);
	SHFree(lptvid);
	break;

	case TVN_ITEMEXPANDINGA:
	case TVN_ITEMEXPANDINGW:
	{
	TRACE("TVN_ITEMEXPANDINGA/W\n");
	if ((pnmtv->itemNew.state & TVIS_EXPANDEDONCE))
	break;

	lptvid=(LPTV_ITEMDATA)pnmtv->itemNew.lParam;
	if (SUCCEEDED(IShellFolder_BindToObject(lptvid->lpsfParent, lptvid->lpi,0,(REFIID)&IID_IShellFolder,(LPVOID *)&lpsf2)))
	{ FillTreeView( lpsf2, lptvid->lpifq, pnmtv->itemNew.hItem, lptvid->pEnumIL);
	}
	/* My Computer is already sorted and trying to do a simple text
	* sort will only mess things up */
	if (!_ILIsMyComputer(lptvid->lpi))
	TreeView_SortChildren(hwndTreeView, pnmtv->itemNew.hItem, FALSE);
	}
	break;
	case TVN_SELCHANGEDA:
	case TVN_SELCHANGEDW:
	lptvid=(LPTV_ITEMDATA)pnmtv->itemNew.lParam;
	pidlRet = lptvid->lpifq;
	if (lpBrowseInfo->lpfn)
	(lpBrowseInfo->lpfn)(hWnd, BFFM_SELCHANGED, (LPARAM)pidlRet, lpBrowseInfo->lParam);
	BrsFolder_CheckValidSelection(hWnd, lptvid);
	break;

	default:
	WARN("unhandled (%d)\n", pnmtv->hdr.code);
	break;
	}
	break;

	default:
	break;
	}

	return 0;
	}


	/*************************************************************************
	* BrsFolderDlgProc32 (not an exported API function)
	*/
	static INT_PTR CALLBACK BrsFolderDlgProc(HWND hWnd, UINT msg, WPARAM wParam,
	LPARAM lParam )
	{
	TRACE("hwnd=%p msg=%04x 0x%08x 0x%08lx\n", hWnd, msg, wParam, lParam );

	switch(msg)
	{ case WM_INITDIALOG:
	pidlRet = NULL;
	lpBrowseInfo = (LPBROWSEINFOW) lParam;
	if (lpBrowseInfo->ulFlags & ~SUPPORTEDFLAGS)
	FIXME("flags %x not implemented\n", lpBrowseInfo->ulFlags & ~SUPPORTEDFLAGS);
	if (lpBrowseInfo->lpszTitle) {
	SetWindowTextW(GetDlgItem(hWnd, IDD_TITLE), lpBrowseInfo->lpszTitle);
	} else {
	ShowWindow(GetDlgItem(hWnd, IDD_TITLE), SW_HIDE);
	}
	if (!(lpBrowseInfo->ulFlags & BIF_STATUSTEXT))
	ShowWindow(GetDlgItem(hWnd, IDD_STATUS), SW_HIDE);

	InitializeTreeView(hWnd, lpBrowseInfo->pidlRoot);

	if (lpBrowseInfo->lpfn)
	(lpBrowseInfo->lpfn)(hWnd, BFFM_INITIALIZED, 0, lpBrowseInfo->lParam);

	return TRUE;

	case WM_NOTIFY:
	MsgNotify( hWnd, (UINT)wParam, (LPNMHDR)lParam);
	break;

	case WM_COMMAND:
	switch (wParam)
	{ case IDOK:
	pdump ( pidlRet );
	if (lpBrowseInfo->pszDisplayName)
	SHGetPathFromIDListW(pidlRet, lpBrowseInfo->pszDisplayName);
	EndDialog(hWnd, (DWORD) ILClone(pidlRet));
	return TRUE;

	case IDCANCEL:
	EndDialog(hWnd, 0);
	return TRUE;
	}
	break;
	case BFFM_SETSTATUSTEXTA:
	TRACE("Set status %s\n", debugstr_a((LPSTR)lParam));
	SetWindowTextA(GetDlgItem(hWnd, IDD_STATUS), (LPSTR)lParam);
	break;
	case BFFM_SETSTATUSTEXTW:
	TRACE("Set status %s\n", debugstr_w((LPWSTR)lParam));
	SetWindowTextW(GetDlgItem(hWnd, IDD_STATUS), (LPWSTR)lParam);
	break;
	case BFFM_ENABLEOK:
	TRACE("Enable %ld\n", lParam);
	EnableWindow(GetDlgItem(hWnd, 1), (lParam)?TRUE:FALSE);
	break;
	case BFFM_SETOKTEXT: /* unicode only */
	TRACE("Set OK text %s\n", debugstr_w((LPWSTR)wParam));
	SetWindowTextW(GetDlgItem(hWnd, 1), (LPWSTR)wParam);
	break;
	case BFFM_SETSELECTIONA:
	if (wParam)
	FIXME("Set selection %s\n", debugstr_a((LPSTR)lParam));
	else
	FIXME("Set selection %p\n", (void*)lParam);
	break;
	case BFFM_SETSELECTIONW:
	if (wParam)
	FIXME("Set selection %s\n", debugstr_w((LPWSTR)lParam));
	else
	FIXME("Set selection %p\n", (void*)lParam);
	break;
	case BFFM_SETEXPANDED: /* unicode only */
	if (wParam)
	FIXME("Set expanded %s\n", debugstr_w((LPWSTR)lParam));
	else
	FIXME("Set expanded %p\n", (void*)lParam);
	break;
	}
	return FALSE;
	}

	static const WCHAR swBrowseTempName[] = {'S','H','B','R','S','F','O','R','F','O','L','D','E','R','_','M','S','G','B','O','X',0};

	/*************************************************************************
	* SHBrowseForFolderA [SHELL32.@]
	* SHBrowseForFolder [SHELL32.@]
	*/
	LPITEMIDLIST WINAPI SHBrowseForFolderA (LPBROWSEINFOA lpbi)
	{
	BROWSEINFOW bi;
	LPITEMIDLIST lpid;
	INT len;

	TRACE("(%p{lpszTitle=%s,owner=%p})\n", lpbi,
	lpbi ? debugstr_a(lpbi->lpszTitle) : NULL, lpbi ? lpbi->hwndOwner : NULL);

	if (!lpbi)
	return NULL;

	bi.hwndOwner = lpbi->hwndOwner;
	bi.pidlRoot = lpbi->pidlRoot;
	if (lpbi->pszDisplayName)
	{
	/lpbi->pszDisplayName is assumed to be MAX_PATH (MSDN) /
	bi.pszDisplayName = HeapAlloc(GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR));
	MultiByteToWideChar(CP_ACP, 0, lpbi->pszDisplayName, -1, bi.pszDisplayName, MAX_PATH);
	}
	else
	bi.pszDisplayName = NULL;

	if (lpbi->lpszTitle)
	{
	len = MultiByteToWideChar(CP_ACP, 0, lpbi->lpszTitle, -1, NULL, 0);
	bi.lpszTitle = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
	MultiByteToWideChar(CP_ACP, 0, lpbi->lpszTitle, -1, (LPWSTR)bi.lpszTitle, len);
	}
	else
	bi.lpszTitle = NULL;

	bi.ulFlags = lpbi->ulFlags;
	bi.lpfn = lpbi->lpfn;
	bi.lParam = lpbi->lParam;
	bi.iImage = lpbi->iImage;
	lpid = (LPITEMIDLIST) DialogBoxParamW(shell32_hInstance,
	swBrowseTempName, lpbi->hwndOwner,
	BrsFolderDlgProc, (INT)&bi);
	if (bi.pszDisplayName)
	{
	WideCharToMultiByte(CP_ACP, 0, bi.pszDisplayName, -1, lpbi->pszDisplayName, MAX_PATH, 0, NULL);
	HeapFree(GetProcessHeap(), 0, bi.pszDisplayName);
	}
	HeapFree(GetProcessHeap(), 0, (LPVOID)bi.lpszTitle);
	lpbi->iImage = bi.iImage;
	return lpid;
	}


	/*************************************************************************
	* SHBrowseForFolderW [SHELL32.@]
	*/
	LPITEMIDLIST WINAPI SHBrowseForFolderW (LPBROWSEINFOW lpbi)
	{
	TRACE("((%p->{lpszTitle=%s,owner=%p})\n", lpbi,
	lpbi ? debugstr_w(lpbi->lpszTitle) : NULL, lpbi ? lpbi->hwndOwner : 0);

	if (!lpbi)
	return NULL;

	return (LPITEMIDLIST) DialogBoxParamW(shell32_hInstance,
	swBrowseTempName, lpbi->hwndOwner,
	BrsFolderDlgProc, (INT)lpbi);
	}