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 #define SHV_CHANGE_NOTIFY (WM_USER + 0x1111)
  42
  43 /* original margins and control size */
  44 typedef struct tagLAYOUT_DATA
  45 {
  46     LONG left, width, right;
  47     LONG top, height, bottom;
  48 } LAYOUT_DATA;
  49
  50 typedef struct tagbrowse_info
  51 {
  52     HWND          hWnd;
  53     HWND          hwndTreeView;
  54     LPBROWSEINFOW lpBrowseInfo;
  55     LPITEMIDLIST  pidlRet;
  56     LAYOUT_DATA  *layout;  /* filled by LayoutInit, used by LayoutUpdate */
  57     SIZE          szMin;
  58     ULONG         hNotify; /* change notification handle */
  59 } browse_info;
  60
  61 typedef struct tagTV_ITEMDATA
  62 {
  63    LPSHELLFOLDER lpsfParent; /* IShellFolder of the parent */
  64    LPITEMIDLIST  lpi;        /* PIDL relative to parent */
  65    LPITEMIDLIST  lpifq;      /* Fully qualified PIDL */
  66    IEnumIDList*  pEnumIL;    /* Children iterator */
  67 } TV_ITEMDATA, *LPTV_ITEMDATA;
  68
  69 typedef struct tagLAYOUT_INFO
  70 {
  71     int iItemId;          /* control id */
  72     DWORD dwAnchor;       /* BF_* flags specifying which margins should remain constant */
  73 } LAYOUT_INFO;
  74
  75 static const LAYOUT_INFO g_layout_info[] =
  76 {
  77     {IDD_TITLE,         BF_TOP|BF_LEFT|BF_RIGHT},
  78     {IDD_STATUS,        BF_TOP|BF_LEFT|BF_RIGHT},
  79     {IDD_FOLDER,        BF_TOP|BF_LEFT|BF_RIGHT},
  80     {IDD_TREEVIEW,      BF_TOP|BF_BOTTOM|BF_LEFT|BF_RIGHT},
  81     {IDD_FOLDER,        BF_BOTTOM|BF_LEFT},
  82     {IDD_FOLDERTEXT,    BF_BOTTOM|BF_LEFT|BF_RIGHT},
  83     {IDD_MAKENEWFOLDER, BF_BOTTOM|BF_LEFT},
  84     {IDOK,              BF_BOTTOM|BF_RIGHT},
  85     {IDCANCEL,          BF_BOTTOM|BF_RIGHT}
  86 };
  87
  88 #define SUPPORTEDFLAGS (BIF_STATUSTEXT | \
  89                         BIF_BROWSEFORCOMPUTER | \
  90                         BIF_RETURNFSANCESTORS | \
  91                         BIF_RETURNONLYFSDIRS | \
  92                         BIF_NONEWFOLDERBUTTON | \
  93                         BIF_NEWDIALOGSTYLE | \
  94                         BIF_BROWSEINCLUDEFILES)
  95
  96 static void FillTreeView(browse_info*, LPSHELLFOLDER,
  97                LPITEMIDLIST, HTREEITEM, IEnumIDList*);
  98 static HTREEITEM InsertTreeViewItem( browse_info*, IShellFolder *,
  99                LPCITEMIDLIST, LPCITEMIDLIST, IEnumIDList*, HTREEITEM);
 100
 101 static const WCHAR szBrowseFolderInfo[] = {
 102     '_','_','W','I','N','E','_',
 103     'B','R','S','F','O','L','D','E','R','D','L','G','_',
 104     'I','N','F','O',0
 105 };
 106
 107 static inline DWORD BrowseFlagsToSHCONTF(UINT ulFlags)
 108 {
 109     return SHCONTF_FOLDERS | (ulFlags & BIF_BROWSEINCLUDEFILES ? SHCONTF_NONFOLDERS : 0);
 110 }
 111
 112 static void browsefolder_callback( LPBROWSEINFOW lpBrowseInfo, HWND hWnd,
 113                                    UINT msg, LPARAM param )
 114 {
 115     if (!lpBrowseInfo->lpfn)
 116         return;
 117     lpBrowseInfo->lpfn( hWnd, msg, param, lpBrowseInfo->lParam );
 118 }
 119
 120 static LAYOUT_DATA *LayoutInit(HWND hwnd, const LAYOUT_INFO *layout_info, int layout_count)
 121 {
 122     LAYOUT_DATA *data;
 123     RECT rcWnd;
 124     int i;
 125
 126     GetClientRect(hwnd, &rcWnd);
 127     data = SHAlloc(sizeof(LAYOUT_DATA)*layout_count);
 128     for (i = 0; i < layout_count; i++)
 129     {
 130         RECT r;
 131         HWND hItem = GetDlgItem(hwnd, layout_info[i].iItemId);
 132
 133         if (hItem == NULL)
 134             ERR("Item %d not found\n", i);
 135         GetWindowRect(hItem, &r);
 136         MapWindowPoints(HWND_DESKTOP, hwnd, (LPPOINT)&r, 2);
 137
 138         data[i].left = r.left;
 139         data[i].right = rcWnd.right - r.right;
 140         data[i].width = r.right - r.left;
 141
 142         data[i].top = r.top;
 143         data[i].bottom = rcWnd.bottom - r.bottom;
 144         data[i].height = r.bottom - r.top;
 145     }
 146     return data;
 147 }
 148
 149 static void LayoutUpdate(HWND hwnd, LAYOUT_DATA *data, const LAYOUT_INFO *layout_info, int layout_count)
 150 {
 151     RECT rcWnd;
 152     int i;
 153
 154     GetClientRect(hwnd, &rcWnd);
 155     for (i = 0; i < layout_count; i++)
 156     {
 157         RECT r;
 158         HWND hItem = GetDlgItem(hwnd, layout_info[i].iItemId);
 159
 160         GetWindowRect(hItem, &r);
 161         MapWindowPoints(HWND_DESKTOP, hwnd, (LPPOINT)&r, 2);
 162
 163         if (layout_info[i].dwAnchor & BF_RIGHT)
 164         {
 165             r.right = rcWnd.right - data[i].right;
 166             if (!(layout_info[i].dwAnchor & BF_LEFT))
 167                 r.left = r.right - data[i].width;
 168         }
 169
 170         if (layout_info[i].dwAnchor & BF_BOTTOM)
 171         {
 172             r.bottom = rcWnd.bottom - data[i].bottom;
 173             if (!(layout_info[i].dwAnchor & BF_TOP))
 174                 r.top = r.bottom - data[i].height;
 175         }
 176
 177         SetWindowPos(hItem, NULL, r.left, r.top, r.right - r.left, r.bottom - r.top, SWP_NOZORDER);
 178     }
 179 }
 180
 181
 182 /******************************************************************************
 183  * InitializeTreeView [Internal]
 184  *
 185  * Called from WM_INITDIALOG handler.
 186  *
 187  * PARAMS
 188  *  hwndParent [I] The BrowseForFolder dialog
 189  *  root       [I] ITEMIDLIST of the root shell folder
 190  */
 191 static void InitializeTreeView( browse_info *info )
 192 {
 193     LPITEMIDLIST pidlParent, pidlChild;
 194     HIMAGELIST hImageList;
 195     HRESULT hr;
 196     IShellFolder *lpsfParent, *lpsfRoot;
 197     IEnumIDList * pEnumChildren = NULL;
 198     HTREEITEM item;
 199     DWORD flags;
 200     LPCITEMIDLIST root = info->lpBrowseInfo->pidlRoot;
 201
 202     TRACE("%p\n", info );
 203
 204     Shell_GetImageLists(NULL, &hImageList);
 205
 206     if (hImageList)
 207         SendMessageW( info->hwndTreeView, TVM_SETIMAGELIST, 0, (LPARAM)hImageList );
 208
 209     /* We want to call InsertTreeViewItem down the code, in order to insert
 210      * the root item of the treeview. Due to InsertTreeViewItem's signature,
 211      * we need the following to do this:
 212      *
 213      * + An ITEMIDLIST corresponding to _the parent_ of root.
 214      * + An ITEMIDLIST, which is a relative path from root's parent to root
 215      *   (containing a single SHITEMID).
 216      * + An IShellFolder interface pointer of root's parent folder.
 217      *
 218      * If root is 'Desktop', then root's parent is also 'Desktop'.
 219      */
 220
 221     pidlParent = ILClone(root);
 222     ILRemoveLastID(pidlParent);
 223     pidlChild = ILClone(ILFindLastID(root));
 224
 225     if (_ILIsDesktop(pidlParent)) {
 226         hr = SHGetDesktopFolder(&lpsfParent);
 227     } else {
 228         IShellFolder *lpsfDesktop;
 229         hr = SHGetDesktopFolder(&lpsfDesktop);
 230         if (FAILED(hr)) {
 231             WARN("SHGetDesktopFolder failed! hr = %08x\n", hr);
 232             ILFree(pidlChild);
 233             ILFree(pidlParent);
 234             return;
 235         }
 236         hr = IShellFolder_BindToObject(lpsfDesktop, pidlParent, 0, &IID_IShellFolder, (LPVOID*)&lpsfParent);
 237         IShellFolder_Release(lpsfDesktop);
 238     }
 239
 240     if (FAILED(hr)) {
 241         WARN("Could not bind to parent shell folder! hr = %08x\n", hr);
 242         ILFree(pidlChild);
 243         ILFree(pidlParent);
 244         return;
 245     }
 246
 247     if (!_ILIsEmpty(pidlChild)) {
 248         hr = IShellFolder_BindToObject(lpsfParent, pidlChild, 0, &IID_IShellFolder, (LPVOID*)&lpsfRoot);
 249     } else {
 250         lpsfRoot = lpsfParent;
 251         hr = IShellFolder_AddRef(lpsfParent);
 252     }
 253
 254     if (FAILED(hr)) {
 255         WARN("Could not bind to root shell folder! hr = %08x\n", hr);
 256         IShellFolder_Release(lpsfParent);
 257         ILFree(pidlChild);
 258         ILFree(pidlParent);
 259         return;
 260     }
 261
 262     flags = BrowseFlagsToSHCONTF( info->lpBrowseInfo->ulFlags );
 263     hr = IShellFolder_EnumObjects( lpsfRoot, info->hWnd, flags, &pEnumChildren );
 264     if (FAILED(hr)) {
 265         WARN("Could not get child iterator! hr = %08x\n", hr);
 266         IShellFolder_Release(lpsfParent);
 267         IShellFolder_Release(lpsfRoot);
 268         ILFree(pidlChild);
 269         ILFree(pidlParent);
 270         return;
 271     }
 272
 273     SendMessageW( info->hwndTreeView, TVM_DELETEITEM, 0, (LPARAM)TVI_ROOT );
 274     item = InsertTreeViewItem( info, lpsfParent, pidlChild,
 275                                pidlParent, pEnumChildren, TVI_ROOT );
 276     SendMessageW( info->hwndTreeView, TVM_EXPAND, TVE_EXPAND, (LPARAM)item );
 277
 278     ILFree(pidlChild);
 279     ILFree(pidlParent);
 280     IShellFolder_Release(lpsfRoot);
 281     IShellFolder_Release(lpsfParent);
 282 }
 283
 284 static int GetIcon(LPCITEMIDLIST lpi, UINT uFlags)
 285 {
 286     SHFILEINFOW sfi;
 287     IImageList *list;
 288
 289     list = (IImageList *)SHGetFileInfoW((LPCWSTR)lpi, 0 ,&sfi, sizeof(SHFILEINFOW), uFlags);
 290     if (list) IImageList_Release(list);
 291     return sfi.iIcon;
 292 }
 293
 294 static void GetNormalAndSelectedIcons(LPITEMIDLIST lpifq, LPTVITEMW lpTV_ITEM)
 295 {
 296     LPITEMIDLIST pidlDesktop = NULL;
 297     DWORD flags;
 298
 299     TRACE("%p %p\n",lpifq, lpTV_ITEM);
 300
 301     if (!lpifq)
 302     {
 303         pidlDesktop = _ILCreateDesktop();
 304         lpifq = pidlDesktop;
 305     }
 306
 307     flags = SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON;
 308     lpTV_ITEM->iImage = GetIcon( lpifq, flags );
 309
 310     flags = SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON | SHGFI_OPENICON;
 311     lpTV_ITEM->iSelectedImage = GetIcon( lpifq, flags );
 312
 313     if (pidlDesktop)
 314         ILFree( pidlDesktop );
 315 }
 316
 317 /******************************************************************************
 318  * GetName [Internal]
 319  *
 320  * Query a shell folder for the display name of one of its children
 321  *
 322  * PARAMS
 323  *  lpsf           [I] IShellFolder interface of the folder to be queried.
 324  *  lpi            [I] ITEMIDLIST of the child, relative to parent
 325  *  dwFlags        [I] as in IShellFolder::GetDisplayNameOf
 326  *  lpFriendlyName [O] The desired display name in unicode
 327  *
 328  * RETURNS
 329  *  Success: TRUE
 330  *  Failure: FALSE
 331  */
 332 static BOOL GetName(LPSHELLFOLDER lpsf, LPCITEMIDLIST lpi, DWORD dwFlags, LPWSTR lpFriendlyName)
 333 {
 334         BOOL   bSuccess=TRUE;
 335         STRRET str;
 336
 337         TRACE("%p %p %x %p\n", lpsf, lpi, dwFlags, lpFriendlyName);
 338         if (SUCCEEDED(IShellFolder_GetDisplayNameOf(lpsf, lpi, dwFlags, &str)))
 339           bSuccess = StrRetToStrNW(lpFriendlyName, MAX_PATH, &str, lpi);
 340         else
 341           bSuccess = FALSE;
 342
 343         TRACE("-- %s\n", debugstr_w(lpFriendlyName));
 344         return bSuccess;
 345 }
 346
 347 /******************************************************************************
 348  * InsertTreeViewItem [Internal]
 349  *
 350  * PARAMS
 351  *  info       [I] data for the dialog
 352  *  lpsf       [I] IShellFolder interface of the item's parent shell folder
 353  *  pidl       [I] ITEMIDLIST of the child to insert, relative to parent
 354  *  pidlParent [I] ITEMIDLIST of the parent shell folder
 355  *  pEnumIL    [I] Iterator for the children of the item to be inserted
 356  *  hParent    [I] The treeview-item that represents the parent shell folder
 357  *
 358  * RETURNS
 359  *  Success: Handle to the created and inserted treeview-item
 360  *  Failure: NULL
 361  */
 362 static HTREEITEM InsertTreeViewItem( browse_info *info, IShellFolder * lpsf,
 363     LPCITEMIDLIST pidl, LPCITEMIDLIST pidlParent, IEnumIDList* pEnumIL,
 364     HTREEITEM hParent)
 365 {
 366         TVITEMW         tvi;
 367         TVINSERTSTRUCTW tvins;
 368         WCHAR           szBuff[MAX_PATH];
 369         LPTV_ITEMDATA   lptvid=0;
 370
 371         tvi.mask  = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_PARAM;
 372
 373         tvi.cChildren= pEnumIL ? 1 : 0;
 374         tvi.mask |= TVIF_CHILDREN;
 375
 376         if (!GetName(lpsf, pidl, SHGDN_NORMAL, szBuff))
 377             return NULL;
 378
 379         lptvid = SHAlloc( sizeof(TV_ITEMDATA) );
 380         if (!lptvid)
 381             return NULL;
 382
 383         tvi.pszText    = szBuff;
 384         tvi.cchTextMax = MAX_PATH;
 385         tvi.lParam = (LPARAM)lptvid;
 386
 387         IShellFolder_AddRef(lpsf);
 388         lptvid->lpsfParent = lpsf;
 389         lptvid->lpi     = ILClone(pidl);
 390         lptvid->lpifq   = pidlParent ? ILCombine(pidlParent, pidl) : ILClone(pidl);
 391         lptvid->pEnumIL = pEnumIL;
 392         GetNormalAndSelectedIcons(lptvid->lpifq, &tvi);
 393
 394         tvins.u.item       = tvi;
 395         tvins.hInsertAfter = NULL;
 396         tvins.hParent      = hParent;
 397
 398         return TreeView_InsertItemW( info->hwndTreeView, &tvins );
 399 }
 400
 401 /******************************************************************************
 402  * FillTreeView [Internal]
 403  *
 404  * For each child (given by lpe) of the parent shell folder, which is given by
 405  * lpsf and whose PIDL is pidl, insert a treeview-item right under hParent
 406  *
 407  * PARAMS
 408  *  info    [I] data for the dialog
 409  *  lpsf    [I] IShellFolder interface of the parent shell folder
 410  *  pidl    [I] ITEMIDLIST of the parent shell folder
 411  *  hParent [I] The treeview item that represents the parent shell folder
 412  *  lpe     [I] An iterator for the children of the parent shell folder
 413  */
 414 static void FillTreeView( browse_info *info, IShellFolder * lpsf,
 415                  LPITEMIDLIST  pidl, HTREEITEM hParent, IEnumIDList* lpe)
 416 {
 417         LPITEMIDLIST    pidlTemp = 0;
 418         ULONG           ulFetched;
 419         HRESULT         hr;
 420         HWND            hwnd = GetParent( info->hwndTreeView );
 421
 422         TRACE("%p %p %p %p\n",lpsf, pidl, hParent, lpe);
 423
 424         /* No IEnumIDList -> No children */
 425         if (!lpe) return;
 426
 427         SetCapture( hwnd );
 428         SetCursor( LoadCursorA( 0, (LPSTR)IDC_WAIT ) );
 429
 430         while (S_OK == IEnumIDList_Next(lpe,1,&pidlTemp,&ulFetched))
 431         {
 432             ULONG ulAttrs = SFGAO_HASSUBFOLDER | SFGAO_FOLDER;
 433             IEnumIDList* pEnumIL = NULL;
 434             IShellFolder* pSFChild = NULL;
 435             IShellFolder_GetAttributesOf(lpsf, 1, (LPCITEMIDLIST*)&pidlTemp, &ulAttrs);
 436             if (ulAttrs & SFGAO_FOLDER)
 437             {
 438                 hr = IShellFolder_BindToObject(lpsf,pidlTemp,NULL,&IID_IShellFolder,(LPVOID*)&pSFChild);
 439                 if (SUCCEEDED(hr))
 440                 {
 441                     DWORD flags = BrowseFlagsToSHCONTF(info->lpBrowseInfo->ulFlags);
 442                     hr = IShellFolder_EnumObjects(pSFChild, hwnd, flags, &pEnumIL);
 443                     if (hr == S_OK)
 444                     {
 445                         if ((IEnumIDList_Skip(pEnumIL, 1) != S_OK) ||
 446                              FAILED(IEnumIDList_Reset(pEnumIL)))
 447                         {
 448                             IEnumIDList_Release(pEnumIL);
 449                             pEnumIL = NULL;
 450                         }
 451                     }
 452                     IShellFolder_Release(pSFChild);
 453                 }
 454             }
 455
 456             if (!InsertTreeViewItem(info, lpsf, pidlTemp, pidl, pEnumIL, hParent))
 457                 goto done;
 458             SHFree(pidlTemp);  /* Finally, free the pidl that the shell gave us... */
 459             pidlTemp=NULL;
 460         }
 461
 462 done:
 463         ReleaseCapture();
 464         SetCursor(LoadCursorW(0, (LPWSTR)IDC_ARROW));
 465     SHFree(pidlTemp);
 466 }
 467
 468 static inline BOOL PIDLIsType(LPCITEMIDLIST pidl, PIDLTYPE type)
 469 {
 470     LPPIDLDATA data = _ILGetDataPointer(pidl);
 471     if (!data)
 472         return FALSE;
 473     return (data->type == type);
 474 }
 475
 476 static void BrsFolder_CheckValidSelection( browse_info *info, LPTV_ITEMDATA lptvid )
 477 {
 478     LPBROWSEINFOW lpBrowseInfo = info->lpBrowseInfo;
 479     LPCITEMIDLIST pidl = lptvid->lpi;
 480     BOOL bEnabled = TRUE;
 481     DWORD dwAttributes;
 482     HRESULT r;
 483
 484     if ((lpBrowseInfo->ulFlags & BIF_BROWSEFORCOMPUTER) &&
 485         !PIDLIsType(pidl, PT_COMP))
 486         bEnabled = FALSE;
 487     if (lpBrowseInfo->ulFlags & BIF_RETURNFSANCESTORS)
 488     {
 489         dwAttributes = SFGAO_FILESYSANCESTOR | SFGAO_FILESYSTEM;
 490         r = IShellFolder_GetAttributesOf(lptvid->lpsfParent, 1,
 491                                 (LPCITEMIDLIST*)&lptvid->lpi, &dwAttributes);
 492         if (FAILED(r) || !(dwAttributes & (SFGAO_FILESYSANCESTOR|SFGAO_FILESYSTEM)))
 493             bEnabled = FALSE;
 494     }
 495
 496     dwAttributes = SFGAO_FOLDER | SFGAO_FILESYSTEM;
 497     r = IShellFolder_GetAttributesOf(lptvid->lpsfParent, 1,
 498             (LPCITEMIDLIST*)&lptvid->lpi, &dwAttributes);
 499     if (FAILED(r) ||
 500             ((dwAttributes & (SFGAO_FOLDER|SFGAO_FILESYSTEM)) != (SFGAO_FOLDER|SFGAO_FILESYSTEM)))
 501     {
 502         if (lpBrowseInfo->ulFlags & BIF_RETURNONLYFSDIRS)
 503             bEnabled = FALSE;
 504         EnableWindow(GetDlgItem(info->hWnd, IDD_MAKENEWFOLDER), FALSE);
 505     }
 506     else
 507         EnableWindow(GetDlgItem(info->hWnd, IDD_MAKENEWFOLDER), TRUE);
 508
 509     SendMessageW(info->hWnd, BFFM_ENABLEOK, 0, bEnabled);
 510 }
 511
 512 static LRESULT BrsFolder_Treeview_Delete( browse_info *info, NMTREEVIEWW *pnmtv )
 513 {
 514     LPTV_ITEMDATA lptvid = (LPTV_ITEMDATA)pnmtv->itemOld.lParam;
 515
 516     TRACE("TVN_DELETEITEMA/W %p\n", lptvid);
 517
 518     IShellFolder_Release(lptvid->lpsfParent);
 519     if (lptvid->pEnumIL)
 520         IEnumIDList_Release(lptvid->pEnumIL);
 521     SHFree(lptvid->lpi);
 522     SHFree(lptvid->lpifq);
 523     SHFree(lptvid);
 524     return 0;
 525 }
 526
 527 static LRESULT BrsFolder_Treeview_Expand( browse_info *info, NMTREEVIEWW *pnmtv )
 528 {
 529     IShellFolder *lpsf2 = NULL;
 530     LPTV_ITEMDATA lptvid = (LPTV_ITEMDATA) pnmtv->itemNew.lParam;
 531     HRESULT r;
 532
 533     TRACE("TVN_ITEMEXPANDINGA/W\n");
 534
 535     if ((pnmtv->itemNew.state & TVIS_EXPANDEDONCE))
 536         return 0;
 537
 538     if (!_ILIsEmpty(lptvid->lpi)) {
 539         r = IShellFolder_BindToObject( lptvid->lpsfParent, lptvid->lpi, 0,
 540                                        &IID_IShellFolder, (void**)&lpsf2 );
 541     } else {
 542         lpsf2 = lptvid->lpsfParent;
 543         IShellFolder_AddRef(lpsf2);
 544         r = S_OK;
 545     }
 546
 547     if (SUCCEEDED(r))
 548     {
 549         FillTreeView( info, lpsf2, lptvid->lpifq, pnmtv->itemNew.hItem, lptvid->pEnumIL);
 550         IShellFolder_Release( lpsf2 );
 551     }
 552
 553     /* My Computer is already sorted and trying to do a simple text
 554      * sort will only mess things up */
 555     if (!_ILIsMyComputer(lptvid->lpi))
 556         SendMessageW( info->hwndTreeView, TVM_SORTCHILDREN,
 557                       FALSE, (LPARAM)pnmtv->itemNew.hItem );
 558
 559     return 0;
 560 }
 561
 562 static HRESULT BrsFolder_Treeview_Changed( browse_info *info, NMTREEVIEWW *pnmtv )
 563 {
 564     LPTV_ITEMDATA lptvid = (LPTV_ITEMDATA) pnmtv->itemNew.lParam;
 565     WCHAR name[MAX_PATH];
 566
 567     ILFree(info->pidlRet);
 568     info->pidlRet = ILClone(lptvid->lpifq);
 569
 570     if (GetName(lptvid->lpsfParent, lptvid->lpi, SHGDN_NORMAL, name))
 571             SetWindowTextW( GetDlgItem(info->hWnd, IDD_FOLDERTEXT), name );
 572
 573     browsefolder_callback( info->lpBrowseInfo, info->hWnd, BFFM_SELCHANGED,
 574                            (LPARAM)info->pidlRet );
 575     BrsFolder_CheckValidSelection( info, lptvid );
 576     return S_OK;
 577 }
 578
 579 static LRESULT BrsFolder_Treeview_Rename(browse_info *info, NMTVDISPINFOW *pnmtv)
 580 {
 581     LPTV_ITEMDATA item_data;
 582     WCHAR old_path[MAX_PATH], new_path[MAX_PATH], *p;
 583     NMTREEVIEWW nmtv;
 584     TVITEMW item;
 585
 586     if(!pnmtv->item.pszText)
 587         return 0;
 588
 589     item.mask = TVIF_HANDLE|TVIF_PARAM;
 590     item.hItem = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_CARET, 0);
 591     SendMessageW(info->hwndTreeView, TVM_GETITEMW, 0, (LPARAM)&item);
 592     item_data = (LPTV_ITEMDATA)item.lParam;
 593
 594     SHGetPathFromIDListW(item_data->lpifq, old_path);
 595     if(!(p = strrchrW(old_path, '\\')))
 596         return 0;
 597     p = new_path+(p-old_path+1);
 598     memcpy(new_path, old_path, (p-new_path)*sizeof(WCHAR));
 599     strcpyW(p, pnmtv->item.pszText);
 600
 601     if(!MoveFileW(old_path, new_path))
 602         return 0;
 603
 604     SHFree(item_data->lpifq);
 605     SHFree(item_data->lpi);
 606     item_data->lpifq = SHSimpleIDListFromPathW(new_path);
 607     IShellFolder_ParseDisplayName(item_data->lpsfParent, NULL, NULL,
 608             pnmtv->item.pszText, NULL, &item_data->lpi, NULL);
 609
 610     item.mask = TVIF_HANDLE|TVIF_TEXT;
 611     item.pszText = pnmtv->item.pszText;
 612     SendMessageW(info->hwndTreeView, TVM_SETITEMW, 0, (LPARAM)&item);
 613
 614     nmtv.itemNew.lParam = item.lParam;
 615     BrsFolder_Treeview_Changed(info, &nmtv);
 616     return 0;
 617 }
 618
 619 static HRESULT BrsFolder_Rename(browse_info *info, HTREEITEM rename)
 620 {
 621     SendMessageW(info->hwndTreeView, TVM_SELECTITEM, TVGN_CARET, (LPARAM)rename);
 622     SendMessageW(info->hwndTreeView, TVM_EDITLABELW, 0, (LPARAM)rename);
 623     return S_OK;
 624 }
 625
 626 static LRESULT BrsFolder_Treeview_Keydown(browse_info *info, LPNMTVKEYDOWN keydown)
 627 {
 628     HTREEITEM selected_item;
 629
 630     /* Old dialog doesn't support those advanced features */
 631     if (!(info->lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE))
 632         return 0;
 633
 634     selected_item = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_CARET, 0);
 635
 636     switch (keydown->wVKey)
 637     {
 638     case VK_F2:
 639         BrsFolder_Rename(info, selected_item);
 640         break;
 641     case VK_DELETE:
 642         {
 643             const ITEMIDLIST *item_id;
 644             ISFHelper *psfhlp;
 645             HRESULT hr;
 646             TVITEMW item;
 647             TV_ITEMDATA *item_data;
 648
 649             item.mask  = TVIF_PARAM;
 650             item.hItem = selected_item;
 651             SendMessageW(info->hwndTreeView, TVM_GETITEMW, 0, (LPARAM)&item);
 652             item_data = (TV_ITEMDATA *)item.lParam;
 653             item_id = item_data->lpi;
 654
 655             hr = IShellFolder_QueryInterface(item_data->lpsfParent, &IID_ISFHelper, (void**)&psfhlp);
 656             if(FAILED(hr))
 657                 return 0;
 658
 659             /* perform the item deletion - tree view gets updated over shell notification */
 660             ISFHelper_DeleteItems(psfhlp, 1, &item_id);
 661             ISFHelper_Release(psfhlp);
 662         }
 663         break;
 664     }
 665     return 0;
 666 }
 667
 668 static LRESULT BrsFolder_OnNotify( browse_info *info, UINT CtlID, LPNMHDR lpnmh )
 669 {
 670     NMTREEVIEWW *pnmtv = (NMTREEVIEWW *)lpnmh;
 671
 672     TRACE("%p %x %p msg=%x\n", info, CtlID, lpnmh, pnmtv->hdr.code);
 673
 674     if (pnmtv->hdr.idFrom != IDD_TREEVIEW)
 675         return 0;
 676
 677     switch (pnmtv->hdr.code)
 678     {
 679     case TVN_DELETEITEMA:
 680     case TVN_DELETEITEMW:
 681         return BrsFolder_Treeview_Delete( info, pnmtv );
 682
 683     case TVN_ITEMEXPANDINGA:
 684     case TVN_ITEMEXPANDINGW:
 685         return BrsFolder_Treeview_Expand( info, pnmtv );
 686
 687     case TVN_SELCHANGEDA:
 688     case TVN_SELCHANGEDW:
 689         return BrsFolder_Treeview_Changed( info, pnmtv );
 690
 691     case TVN_ENDLABELEDITA:
 692     case TVN_ENDLABELEDITW:
 693         return BrsFolder_Treeview_Rename( info, (LPNMTVDISPINFOW)pnmtv );
 694
 695     case TVN_KEYDOWN:
 696         return BrsFolder_Treeview_Keydown( info, (LPNMTVKEYDOWN)pnmtv );
 697
 698     default:
 699         WARN("unhandled (%d)\n", pnmtv->hdr.code);
 700         break;
 701     }
 702
 703     return 0;
 704 }
 705
 706
 707 static BOOL BrsFolder_OnCreate( HWND hWnd, browse_info *info )
 708 {
 709     LPITEMIDLIST computer_pidl;
 710     SHChangeNotifyEntry ntreg;
 711     LPBROWSEINFOW lpBrowseInfo = info->lpBrowseInfo;
 712
 713     info->hWnd = hWnd;
 714     SetPropW( hWnd, szBrowseFolderInfo, info );
 715
 716     if (lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE)
 717         FIXME("flags BIF_NEWDIALOGSTYLE partially implemented\n");
 718     if (lpBrowseInfo->ulFlags & ~SUPPORTEDFLAGS)
 719         FIXME("flags %x not implemented\n", lpBrowseInfo->ulFlags & ~SUPPORTEDFLAGS);
 720
 721     if (lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE)
 722     {
 723         RECT rcWnd;
 724
 725         info->layout = LayoutInit(hWnd, g_layout_info, ARRAY_SIZE(g_layout_info));
 726
 727         /* TODO: Windows allows shrinking the windows a bit */
 728         GetWindowRect(hWnd, &rcWnd);
 729         info->szMin.cx = rcWnd.right - rcWnd.left;
 730         info->szMin.cy = rcWnd.bottom - rcWnd.top;
 731     }
 732     else
 733     {
 734         info->layout = NULL;
 735     }
 736
 737     if (lpBrowseInfo->lpszTitle)
 738         SetWindowTextW( GetDlgItem(hWnd, IDD_TITLE), lpBrowseInfo->lpszTitle );
 739     else
 740         ShowWindow( GetDlgItem(hWnd, IDD_TITLE), SW_HIDE );
 741
 742     if (!(lpBrowseInfo->ulFlags & BIF_STATUSTEXT)
 743         || (lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE))
 744         ShowWindow( GetDlgItem(hWnd, IDD_STATUS), SW_HIDE );
 745
 746     /* Hide "Make New Folder" Button? */
 747     if ((lpBrowseInfo->ulFlags & BIF_NONEWFOLDERBUTTON)
 748         || !(lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE))
 749         ShowWindow( GetDlgItem(hWnd, IDD_MAKENEWFOLDER), SW_HIDE );
 750
 751     /* Hide the editbox? */
 752     if (!(lpBrowseInfo->ulFlags & BIF_EDITBOX))
 753     {
 754         ShowWindow( GetDlgItem(hWnd, IDD_FOLDER), SW_HIDE );
 755         ShowWindow( GetDlgItem(hWnd, IDD_FOLDERTEXT), SW_HIDE );
 756     }
 757
 758     info->hwndTreeView = GetDlgItem( hWnd, IDD_TREEVIEW );
 759     if (info->hwndTreeView)
 760     {
 761         InitializeTreeView( info );
 762
 763         /* Resize the treeview if there's not editbox */
 764         if ((lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE)
 765             && !(lpBrowseInfo->ulFlags & BIF_EDITBOX))
 766         {
 767             RECT rc;
 768             GetClientRect(info->hwndTreeView, &rc);
 769             SetWindowPos(info->hwndTreeView, HWND_TOP, 0, 0,
 770                          rc.right, rc.bottom + 40, SWP_NOMOVE);
 771         }
 772     }
 773     else
 774         ERR("treeview control missing!\n");
 775
 776     /* Register for change notifications */
 777     SHGetFolderLocation(NULL, CSIDL_DESKTOP, NULL, 0, &computer_pidl);
 778
 779     ntreg.pidl = computer_pidl;
 780     ntreg.fRecursive = TRUE;
 781
 782     info->hNotify = SHChangeNotifyRegister(hWnd, SHCNRF_InterruptLevel, SHCNE_ALLEVENTS, SHV_CHANGE_NOTIFY, 1, &ntreg);
 783
 784     browsefolder_callback( info->lpBrowseInfo, hWnd, BFFM_INITIALIZED, 0 );
 785
 786     ILFree(computer_pidl);
 787
 788     return TRUE;
 789 }
 790
 791 static HRESULT BrsFolder_NewFolder(browse_info *info)
 792 {
 793     DWORD flags = BrowseFlagsToSHCONTF(info->lpBrowseInfo->ulFlags);
 794     IShellFolder *desktop, *cur;
 795     ISFHelper *sfhelper;
 796     WCHAR name[MAX_PATH];
 797     HTREEITEM parent, added;
 798     LPTV_ITEMDATA item_data;
 799     LPITEMIDLIST new_item;
 800     TVITEMW item;
 801     HRESULT hr;
 802     int len;
 803
 804     if(!info->pidlRet) {
 805         ERR("Make new folder button should be disabled\n");
 806         return E_FAIL;
 807     }
 808
 809     /* Create new directory */
 810     hr = SHGetDesktopFolder(&desktop);
 811     if(FAILED(hr))
 812         return hr;
 813     hr = IShellFolder_BindToObject(desktop, info->pidlRet, 0, &IID_IShellFolder, (void**)&cur);
 814     IShellFolder_Release(desktop);
 815     if(FAILED(hr))
 816         return hr;
 817
 818     hr = IShellFolder_QueryInterface(cur, &IID_ISFHelper, (void**)&sfhelper);
 819     if(FAILED(hr))
 820         return hr;
 821
 822     if(!SHGetPathFromIDListW(info->pidlRet, name)) {
 823         hr = E_FAIL;
 824         goto cleanup;
 825     }
 826
 827     len = strlenW(name);
 828     if(len<MAX_PATH)
 829         name[len++] = '\\';
 830     hr = ISFHelper_GetUniqueName(sfhelper, &name[len], MAX_PATH-len);
 831     ISFHelper_Release(sfhelper);
 832     if(FAILED(hr))
 833         goto cleanup;
 834
 835     hr = E_FAIL;
 836     if(!CreateDirectoryW(name, NULL))
 837         goto cleanup;
 838
 839     /* Update parent of newly created directory */
 840     parent = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_CARET, 0);
 841     if(!parent)
 842         goto cleanup;
 843
 844     SendMessageW(info->hwndTreeView, TVM_EXPAND, TVE_EXPAND, (LPARAM)parent);
 845
 846     memset(&item, 0, sizeof(TVITEMW));
 847     item.mask = TVIF_PARAM|TVIF_STATE;
 848     item.hItem = parent;
 849     SendMessageW(info->hwndTreeView, TVM_GETITEMW, 0, (LPARAM)&item);
 850     item_data = (LPTV_ITEMDATA)item.lParam;
 851     if(!item_data)
 852         goto cleanup;
 853
 854     if(item_data->pEnumIL)
 855         IEnumIDList_Release(item_data->pEnumIL);
 856     hr = IShellFolder_EnumObjects(cur, info->hwndTreeView, flags, &item_data->pEnumIL);
 857     if(FAILED(hr))
 858         goto cleanup;
 859
 860     /* Update treeview */
 861     if(!(item.state&TVIS_EXPANDEDONCE)) {
 862         item.mask = TVIF_STATE;
 863         item.state = TVIS_EXPANDEDONCE;
 864         item.stateMask = TVIS_EXPANDEDONCE;
 865         SendMessageW(info->hwndTreeView, TVM_SETITEMW, 0, (LPARAM)&item);
 866     }
 867
 868     hr = IShellFolder_ParseDisplayName(cur, NULL, NULL, name+len, NULL, &new_item, NULL);
 869     if(FAILED(hr))
 870         goto cleanup;
 871
 872     added = InsertTreeViewItem(info, cur, new_item, item_data->lpifq, NULL, parent);
 873     IShellFolder_Release(cur);
 874     SHFree(new_item);
 875
 876     SendMessageW(info->hwndTreeView, TVM_SORTCHILDREN, FALSE, (LPARAM)parent);
 877     return BrsFolder_Rename(info, added);
 878
 879 cleanup:
 880     return hr;
 881 }
 882
 883 static BOOL BrsFolder_OnCommand( browse_info *info, UINT id )
 884 {
 885     LPBROWSEINFOW lpBrowseInfo = info->lpBrowseInfo;
 886
 887     switch (id)
 888     {
 889     case IDOK:
 890         if (info->pidlRet == NULL) /* A null pidl would mean a cancel */
 891             info->pidlRet = _ILCreateDesktop();
 892         pdump( info->pidlRet );
 893         if (lpBrowseInfo->pszDisplayName)
 894             SHGetPathFromIDListW( info->pidlRet, lpBrowseInfo->pszDisplayName );
 895         EndDialog( info->hWnd, 1 );
 896         return TRUE;
 897
 898     case IDCANCEL:
 899         EndDialog( info->hWnd, 0 );
 900         return TRUE;
 901
 902     case IDD_MAKENEWFOLDER:
 903         BrsFolder_NewFolder(info);
 904         return TRUE;
 905     }
 906     return FALSE;
 907 }
 908
 909 static BOOL BrsFolder_OnSetExpanded(browse_info *info, LPVOID selection,
 910     BOOL is_str, HTREEITEM *pItem)
 911 {
 912     LPITEMIDLIST pidlSelection = selection;
 913     LPCITEMIDLIST pidlCurrent, pidlRoot;
 914     TVITEMEXW item;
 915     BOOL bResult = FALSE;
 916
 917     memset(&item, 0, sizeof(item));
 918
 919     /* If 'selection' is a string, convert to a Shell ID List. */
 920     if (is_str) {
 921         IShellFolder *psfDesktop;
 922         HRESULT hr;
 923
 924         hr = SHGetDesktopFolder(&psfDesktop);
 925         if (FAILED(hr))
 926             goto done;
 927
 928         hr = IShellFolder_ParseDisplayName(psfDesktop, NULL, NULL,
 929                      selection, NULL, &pidlSelection, NULL);
 930         IShellFolder_Release(psfDesktop);
 931         if (FAILED(hr))
 932             goto done;
 933     }
 934
 935     /* Move pidlCurrent behind the SHITEMIDs in pidlSelection, which are the root of
 936      * the sub-tree currently displayed. */
 937     pidlRoot = info->lpBrowseInfo->pidlRoot;
 938     pidlCurrent = pidlSelection;
 939     while (!_ILIsEmpty(pidlRoot) && _ILIsEqualSimple(pidlRoot, pidlCurrent)) {
 940         pidlRoot = ILGetNext(pidlRoot);
 941         pidlCurrent = ILGetNext(pidlCurrent);
 942     }
 943
 944     /* The given ID List is not part of the SHBrowseForFolder's current sub-tree. */
 945     if (!_ILIsEmpty(pidlRoot))
 946         goto done;
 947
 948     /* Initialize item to point to the first child of the root folder. */
 949     item.mask = TVIF_PARAM;
 950     item.hItem = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_ROOT, 0);
 951
 952     if (item.hItem)
 953         item.hItem = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_CHILD,
 954                                              (LPARAM)item.hItem);
 955
 956     /* Walk the tree along the nodes corresponding to the remaining ITEMIDLIST */
 957     while (item.hItem && !_ILIsEmpty(pidlCurrent)) {
 958         LPTV_ITEMDATA pItemData;
 959
 960         SendMessageW(info->hwndTreeView, TVM_GETITEMW, 0, (LPARAM)&item);
 961         pItemData = (LPTV_ITEMDATA)item.lParam;
 962
 963         if (_ILIsEqualSimple(pItemData->lpi, pidlCurrent)) {
 964             pidlCurrent = ILGetNext(pidlCurrent);
 965             if (!_ILIsEmpty(pidlCurrent)) {
 966                 /* Only expand current node and move on to its first child,
 967                  * if we didn't already reach the last SHITEMID */
 968                 SendMessageW(info->hwndTreeView, TVM_EXPAND, TVE_EXPAND, (LPARAM)item.hItem);
 969                 item.hItem = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_CHILD,
 970                                              (LPARAM)item.hItem);
 971             }
 972         } else {
 973             item.hItem = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_NEXT,
 974                                              (LPARAM)item.hItem);
 975         }
 976     }
 977
 978     if (_ILIsEmpty(pidlCurrent) && item.hItem)
 979         bResult = TRUE;
 980
 981 done:
 982     if (pidlSelection && pidlSelection != selection)
 983         ILFree(pidlSelection);
 984
 985     if (pItem)
 986         *pItem = item.hItem;
 987
 988     return bResult;
 989 }
 990
 991 static BOOL BrsFolder_OnSetSelectionW(browse_info *info, LPVOID selection, BOOL is_str) {
 992     HTREEITEM hItem;
 993     BOOL bResult;
 994
 995     if (!selection) return FALSE;
 996
 997     bResult = BrsFolder_OnSetExpanded(info, selection, is_str, &hItem);
 998     if (bResult)
 999         SendMessageW(info->hwndTreeView, TVM_SELECTITEM, TVGN_CARET, (LPARAM)hItem );
1000     return bResult;
1001 }
1002
1003 static BOOL BrsFolder_OnSetSelectionA(browse_info *info, LPVOID selection, BOOL is_str) {
1004     LPWSTR selectionW = NULL;
1005     BOOL result = FALSE;
1006     int length;
1007
1008     if (!is_str)
1009         return BrsFolder_OnSetSelectionW(info, selection, is_str);
1010
1011     if ((length = MultiByteToWideChar(CP_ACP, 0, selection, -1, NULL, 0)) &&
1012         (selectionW = heap_alloc(length * sizeof(WCHAR))) &&
1013         MultiByteToWideChar(CP_ACP, 0, selection, -1, selectionW, length))
1014     {
1015         result = BrsFolder_OnSetSelectionW(info, selectionW, is_str);
1016     }
1017
1018     heap_free(selectionW);
1019     return result;
1020 }
1021
1022 static LRESULT BrsFolder_OnWindowPosChanging(browse_info *info, WINDOWPOS *pos)
1023 {
1024     if ((info->lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE) && !(pos->flags & SWP_NOSIZE))
1025     {
1026         if (pos->cx < info->szMin.cx)
1027             pos->cx = info->szMin.cx;
1028         if (pos->cy < info->szMin.cy)
1029             pos->cy = info->szMin.cy;
1030     }
1031     return 0;
1032 }
1033
1034 static INT BrsFolder_OnDestroy(browse_info *info)
1035 {
1036     if (info->layout)
1037     {
1038         SHFree(info->layout);
1039         info->layout = NULL;
1040     }
1041
1042     SHChangeNotifyDeregister(info->hNotify);
1043
1044     return 0;
1045 }
1046
1047 /* Find a treeview node by recursively walking the treeview */
1048 static HTREEITEM BrsFolder_FindItemByPidl(browse_info *info, LPCITEMIDLIST pidl, HTREEITEM hItem)
1049 {
1050     TV_ITEMW item;
1051     TV_ITEMDATA *item_data;
1052     HRESULT hr;
1053
1054     item.mask = TVIF_HANDLE | TVIF_PARAM;
1055     item.hItem = hItem;
1056     SendMessageW(info->hwndTreeView, TVM_GETITEMW, 0, (LPARAM)&item);
1057     item_data = (TV_ITEMDATA *)item.lParam;
1058
1059     hr = IShellFolder_CompareIDs(item_data->lpsfParent, 0, item_data->lpifq, pidl);
1060     if(SUCCEEDED(hr) && !HRESULT_CODE(hr))
1061         return hItem;
1062
1063     hItem = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_CHILD, (LPARAM)hItem);
1064
1065     while (hItem)
1066     {
1067         HTREEITEM newItem = BrsFolder_FindItemByPidl(info, pidl, hItem);
1068         if (newItem)
1069             return newItem;
1070         hItem = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_NEXT, (LPARAM)hItem);
1071     }
1072     return NULL;
1073 }
1074
1075 static LRESULT BrsFolder_OnChange(browse_info *info, const LPCITEMIDLIST *pidls, LONG event)
1076 {
1077     BOOL ret = TRUE;
1078
1079     TRACE("(%p)->(%p, %p, 0x%08x)\n", info, pidls[0], pidls[1], event);
1080
1081     switch (event)
1082     {
1083         case SHCNE_RMDIR:
1084         case SHCNE_DELETE:
1085         {
1086             HTREEITEM handle_root = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_ROOT, 0);
1087             HTREEITEM handle_item = BrsFolder_FindItemByPidl(info, pidls[0], handle_root);
1088
1089             if (handle_item)
1090                 SendMessageW(info->hwndTreeView, TVM_DELETEITEM, 0, (LPARAM)handle_item);
1091
1092             break;
1093         }
1094     }
1095     return ret;
1096 }
1097
1098 /*************************************************************************
1099  *             BrsFolderDlgProc32  (not an exported API function)
1100  */
1101 static INT_PTR CALLBACK BrsFolderDlgProc( HWND hWnd, UINT msg, WPARAM wParam,
1102                                           LPARAM lParam )
1103 {
1104     browse_info *info;
1105
1106     TRACE("hwnd=%p msg=%04x 0x%08lx 0x%08lx\n", hWnd, msg, wParam, lParam );
1107
1108     if (msg == WM_INITDIALOG)
1109         return BrsFolder_OnCreate( hWnd, (browse_info*) lParam );
1110
1111     info = GetPropW( hWnd, szBrowseFolderInfo );
1112     if (!info)
1113         return FALSE;
1114
1115     switch (msg)
1116     {
1117     case WM_NOTIFY:
1118         return BrsFolder_OnNotify( info, (UINT)wParam, (LPNMHDR)lParam);
1119
1120     case WM_COMMAND:
1121         return BrsFolder_OnCommand( info, wParam );
1122
1123     case WM_WINDOWPOSCHANGING:
1124         return BrsFolder_OnWindowPosChanging( info, (WINDOWPOS *)lParam);
1125
1126     case WM_SIZE:
1127         if (info->layout)  /* new style dialogs */
1128             LayoutUpdate(hWnd, info->layout, g_layout_info, ARRAY_SIZE(g_layout_info));
1129         return 0;
1130
1131     case BFFM_SETSTATUSTEXTA:
1132         TRACE("Set status %s\n", debugstr_a((LPSTR)lParam));
1133         SetWindowTextA(GetDlgItem(hWnd, IDD_STATUS), (LPSTR)lParam);
1134         break;
1135
1136     case BFFM_SETSTATUSTEXTW:
1137         TRACE("Set status %s\n", debugstr_w((LPWSTR)lParam));
1138         SetWindowTextW(GetDlgItem(hWnd, IDD_STATUS), (LPWSTR)lParam);
1139         break;
1140
1141     case BFFM_ENABLEOK:
1142         TRACE("Enable %ld\n", lParam);
1143         EnableWindow(GetDlgItem(hWnd, 1), lParam != 0);
1144         break;
1145
1146     case BFFM_SETOKTEXT: /* unicode only */
1147         TRACE("Set OK text %s\n", debugstr_w((LPWSTR)lParam));
1148         SetWindowTextW(GetDlgItem(hWnd, 1), (LPWSTR)lParam);
1149         break;
1150
1151     case BFFM_SETSELECTIONA:
1152         return BrsFolder_OnSetSelectionA(info, (LPVOID)lParam, (BOOL)wParam);
1153
1154     case BFFM_SETSELECTIONW:
1155         return BrsFolder_OnSetSelectionW(info, (LPVOID)lParam, (BOOL)wParam);
1156
1157     case BFFM_SETEXPANDED: /* unicode only */
1158         return BrsFolder_OnSetExpanded(info, (LPVOID)lParam, (BOOL)wParam, NULL);
1159
1160     case SHV_CHANGE_NOTIFY:
1161         return BrsFolder_OnChange(info, (const LPCITEMIDLIST*)wParam, (LONG)lParam);
1162
1163     case WM_DESTROY:
1164         return BrsFolder_OnDestroy(info);
1165     }
1166     return FALSE;
1167 }
1168
1169 static const WCHAR swBrowseTemplateName[] = {
1170     'S','H','B','R','S','F','O','R','F','O','L','D','E','R','_','M','S','G','B','O','X',0};
1171 static const WCHAR swNewBrowseTemplateName[] = {
1172     'S','H','N','E','W','B','R','S','F','O','R','F','O','L','D','E','R','_','M','S','G','B','O','X',0};
1173
1174 /*************************************************************************
1175  * SHBrowseForFolderA [SHELL32.@]
1176  * SHBrowseForFolder  [SHELL32.@]
1177  */
1178 LPITEMIDLIST WINAPI SHBrowseForFolderA (LPBROWSEINFOA lpbi)
1179 {
1180     BROWSEINFOW bi;
1181     LPITEMIDLIST lpid;
1182     INT len;
1183     LPWSTR title;
1184
1185     TRACE("%p\n", lpbi);
1186
1187     bi.hwndOwner = lpbi->hwndOwner;
1188     bi.pidlRoot = lpbi->pidlRoot;
1189     if (lpbi->pszDisplayName)
1190         bi.pszDisplayName = heap_alloc( MAX_PATH * sizeof(WCHAR) );
1191     else
1192         bi.pszDisplayName = NULL;
1193
1194     if (lpbi->lpszTitle)
1195     {
1196         len = MultiByteToWideChar( CP_ACP, 0, lpbi->lpszTitle, -1, NULL, 0 );
1197         title = heap_alloc( len * sizeof(WCHAR) );
1198         MultiByteToWideChar( CP_ACP, 0, lpbi->lpszTitle, -1, title, len );
1199     }
1200     else
1201         title = NULL;
1202
1203     bi.lpszTitle = title;
1204     bi.ulFlags = lpbi->ulFlags;
1205     bi.lpfn = lpbi->lpfn;
1206     bi.lParam = lpbi->lParam;
1207     bi.iImage = lpbi->iImage;
1208     lpid = SHBrowseForFolderW( &bi );
1209     if (bi.pszDisplayName)
1210     {
1211         WideCharToMultiByte( CP_ACP, 0, bi.pszDisplayName, -1,
1212                              lpbi->pszDisplayName, MAX_PATH, 0, NULL);
1213         heap_free( bi.pszDisplayName );
1214     }
1215     heap_free(title);
1216     lpbi->iImage = bi.iImage;
1217     return lpid;
1218 }
1219
1220
1221 /*************************************************************************
1222  * SHBrowseForFolderW [SHELL32.@]
1223  *
1224  * NOTES
1225  *  crashes when passed a null pointer
1226  */
1227 LPITEMIDLIST WINAPI SHBrowseForFolderW (LPBROWSEINFOW lpbi)
1228 {
1229     browse_info info;
1230     DWORD r;
1231     HRESULT hr;
1232     const WCHAR * templateName;
1233     INITCOMMONCONTROLSEX icex;
1234
1235     info.hWnd = 0;
1236     info.pidlRet = NULL;
1237     info.lpBrowseInfo = lpbi;
1238     info.hwndTreeView = NULL;
1239
1240     icex.dwSize = sizeof( icex );
1241     icex.dwICC = ICC_TREEVIEW_CLASSES;
1242     InitCommonControlsEx( &icex );
1243
1244     hr = OleInitialize(NULL);
1245
1246     if (lpbi->ulFlags & BIF_NEWDIALOGSTYLE)
1247         templateName = swNewBrowseTemplateName;
1248     else
1249         templateName = swBrowseTemplateName;
1250     r = DialogBoxParamW( shell32_hInstance, templateName, lpbi->hwndOwner,
1251                          BrsFolderDlgProc, (LPARAM)&info );
1252     if (SUCCEEDED(hr))
1253         OleUninitialize();
1254     if (!r)
1255     {
1256         ILFree(info.pidlRet);
1257         return NULL;
1258     }
1259
1260     return info.pidlRet;
1261 }