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 new dialog style "make new folder" button
  22  *    - implement editbox
  23  */
  24
  25 #include <stdlib.h>
  26 #include <string.h>
  27
  28 #define COBJMACROS
  29 #define NONAMELESSUNION
  30 #define NONAMELESSSTRUCT
  31
  32 #include "wine/debug.h"
  33 #include "undocshell.h"
  34 #include "pidl.h"
  35 #include "shell32_main.h"
  36 #include "shellapi.h"
  37 #include "shresdef.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             return;
 233         }
 234         hr = IShellFolder_BindToObject(lpsfDesktop, pidlParent, 0, &IID_IShellFolder, (LPVOID*)&lpsfParent);
 235         IShellFolder_Release(lpsfDesktop);
 236     }
 237
 238     if (FAILED(hr)) {
 239         WARN("Could not bind to parent shell folder! hr = %08x\n", hr);
 240         ILFree(pidlChild);
 241         return;
 242     }
 243
 244     if (!_ILIsEmpty(pidlChild)) {
 245         hr = IShellFolder_BindToObject(lpsfParent, pidlChild, 0, &IID_IShellFolder, (LPVOID*)&lpsfRoot);
 246     } else {
 247         lpsfRoot = lpsfParent;
 248         hr = IShellFolder_AddRef(lpsfParent);
 249     }
 250
 251     if (FAILED(hr)) {
 252         WARN("Could not bind to root shell folder! hr = %08x\n", hr);
 253         IShellFolder_Release(lpsfParent);
 254         ILFree(pidlChild);
 255         return;
 256     }
 257
 258     flags = BrowseFlagsToSHCONTF( info->lpBrowseInfo->ulFlags );
 259     hr = IShellFolder_EnumObjects( lpsfRoot, info->hWnd, flags, &pEnumChildren );
 260     if (FAILED(hr)) {
 261         WARN("Could not get child iterator! hr = %08x\n", hr);
 262         IShellFolder_Release(lpsfParent);
 263         IShellFolder_Release(lpsfRoot);
 264         ILFree(pidlChild);
 265         return;
 266     }
 267
 268     SendMessageW( info->hwndTreeView, TVM_DELETEITEM, 0, (LPARAM)TVI_ROOT );
 269     item = InsertTreeViewItem( info, lpsfParent, pidlChild,
 270                                pidlParent, pEnumChildren, TVI_ROOT );
 271     SendMessageW( info->hwndTreeView, TVM_EXPAND, TVE_EXPAND, (LPARAM)item );
 272
 273     ILFree(pidlChild);
 274     IShellFolder_Release(lpsfRoot);
 275     IShellFolder_Release(lpsfParent);
 276 }
 277
 278 static int GetIcon(LPCITEMIDLIST lpi, UINT uFlags)
 279 {
 280     SHFILEINFOW sfi;
 281     SHGetFileInfoW((LPCWSTR)lpi, 0 ,&sfi, sizeof(SHFILEINFOW), uFlags);
 282     return sfi.iIcon;
 283 }
 284
 285 static void GetNormalAndSelectedIcons(LPITEMIDLIST lpifq, LPTVITEMW lpTV_ITEM)
 286 {
 287     LPITEMIDLIST pidlDesktop = NULL;
 288     DWORD flags;
 289
 290     TRACE("%p %p\n",lpifq, lpTV_ITEM);
 291
 292     if (!lpifq)
 293     {
 294         pidlDesktop = _ILCreateDesktop();
 295         lpifq = pidlDesktop;
 296     }
 297
 298     flags = SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON;
 299     lpTV_ITEM->iImage = GetIcon( lpifq, flags );
 300
 301     flags = SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON | SHGFI_OPENICON;
 302     lpTV_ITEM->iSelectedImage = GetIcon( lpifq, flags );
 303
 304     if (pidlDesktop)
 305         ILFree( pidlDesktop );
 306 }
 307
 308 /******************************************************************************
 309  * GetName [Internal]
 310  *
 311  * Query a shell folder for the display name of one of it's children
 312  *
 313  * PARAMS
 314  *  lpsf           [I] IShellFolder interface of the folder to be queried.
 315  *  lpi            [I] ITEMIDLIST of the child, relative to parent
 316  *  dwFlags        [I] as in IShellFolder::GetDisplayNameOf
 317  *  lpFriendlyName [O] The desired display name in unicode
 318  *
 319  * RETURNS
 320  *  Success: TRUE
 321  *  Failure: FALSE
 322  */
 323 static BOOL GetName(LPSHELLFOLDER lpsf, LPCITEMIDLIST lpi, DWORD dwFlags, LPWSTR lpFriendlyName)
 324 {
 325         BOOL   bSuccess=TRUE;
 326         STRRET str;
 327
 328         TRACE("%p %p %x %p\n", lpsf, lpi, dwFlags, lpFriendlyName);
 329         if (SUCCEEDED(IShellFolder_GetDisplayNameOf(lpsf, lpi, dwFlags, &str)))
 330           bSuccess = StrRetToStrNW(lpFriendlyName, MAX_PATH, &str, lpi);
 331         else
 332           bSuccess = FALSE;
 333
 334         TRACE("-- %s\n", debugstr_w(lpFriendlyName));
 335         return bSuccess;
 336 }
 337
 338 /******************************************************************************
 339  * InsertTreeViewItem [Internal]
 340  *
 341  * PARAMS
 342  *  info       [I] data for the dialog
 343  *  lpsf       [I] IShellFolder interface of the item's parent shell folder
 344  *  pidl       [I] ITEMIDLIST of the child to insert, relative to parent
 345  *  pidlParent [I] ITEMIDLIST of the parent shell folder
 346  *  pEnumIL    [I] Iterator for the children of the item to be inserted
 347  *  hParent    [I] The treeview-item that represents the parent shell folder
 348  *
 349  * RETURNS
 350  *  Success: Handle to the created and inserted treeview-item
 351  *  Failure: NULL
 352  */
 353 static HTREEITEM InsertTreeViewItem( browse_info *info, IShellFolder * lpsf,
 354     LPCITEMIDLIST pidl, LPCITEMIDLIST pidlParent, IEnumIDList* pEnumIL,
 355     HTREEITEM hParent)
 356 {
 357         TVITEMW         tvi;
 358         TVINSERTSTRUCTW tvins;
 359         WCHAR           szBuff[MAX_PATH];
 360         LPTV_ITEMDATA   lptvid=0;
 361
 362         tvi.mask  = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_PARAM;
 363
 364         tvi.cChildren= pEnumIL ? 1 : 0;
 365         tvi.mask |= TVIF_CHILDREN;
 366
 367         lptvid = SHAlloc( sizeof(TV_ITEMDATA) );
 368         if (!lptvid)
 369             return NULL;
 370
 371         if (!GetName(lpsf, pidl, SHGDN_NORMAL, szBuff))
 372             return NULL;
 373
 374         tvi.pszText    = szBuff;
 375         tvi.cchTextMax = MAX_PATH;
 376         tvi.lParam = (LPARAM)lptvid;
 377
 378         IShellFolder_AddRef(lpsf);
 379         lptvid->lpsfParent = lpsf;
 380         lptvid->lpi     = ILClone(pidl);
 381         lptvid->lpifq   = pidlParent ? ILCombine(pidlParent, pidl) : ILClone(pidl);
 382         lptvid->pEnumIL = pEnumIL;
 383         GetNormalAndSelectedIcons(lptvid->lpifq, &tvi);
 384
 385         tvins.u.item       = tvi;
 386         tvins.hInsertAfter = NULL;
 387         tvins.hParent      = hParent;
 388
 389         return TreeView_InsertItemW( info->hwndTreeView, &tvins );
 390 }
 391
 392 /******************************************************************************
 393  * FillTreeView [Internal]
 394  *
 395  * For each child (given by lpe) of the parent shell folder, which is given by
 396  * lpsf and whose PIDL is pidl, insert a treeview-item right under hParent
 397  *
 398  * PARAMS
 399  *  info    [I] data for the dialog
 400  *  lpsf    [I] IShellFolder interface of the parent shell folder
 401  *  pidl    [I] ITEMIDLIST of the parent shell folder
 402  *  hParent [I] The treeview item that represents the parent shell folder
 403  *  lpe     [I] An iterator for the children of the parent shell folder
 404  */
 405 static void FillTreeView( browse_info *info, IShellFolder * lpsf,
 406                  LPITEMIDLIST  pidl, HTREEITEM hParent, IEnumIDList* lpe)
 407 {
 408         HTREEITEM       hPrev = 0;
 409         LPITEMIDLIST    pidlTemp = 0;
 410         ULONG           ulFetched;
 411         HRESULT         hr;
 412         HWND            hwnd = GetParent( info->hwndTreeView );
 413
 414         TRACE("%p %p %p %p\n",lpsf, pidl, hParent, lpe);
 415
 416         /* No IEnumIDList -> No children */
 417         if (!lpe) return;
 418
 419         SetCapture( hwnd );
 420         SetCursor( LoadCursorA( 0, (LPSTR)IDC_WAIT ) );
 421
 422         while (S_OK == IEnumIDList_Next(lpe,1,&pidlTemp,&ulFetched))
 423         {
 424             ULONG ulAttrs = SFGAO_HASSUBFOLDER | SFGAO_FOLDER;
 425             IEnumIDList* pEnumIL = NULL;
 426             IShellFolder* pSFChild = NULL;
 427             IShellFolder_GetAttributesOf(lpsf, 1, (LPCITEMIDLIST*)&pidlTemp, &ulAttrs);
 428             if (ulAttrs & SFGAO_FOLDER)
 429             {
 430                 hr = IShellFolder_BindToObject(lpsf,pidlTemp,NULL,&IID_IShellFolder,(LPVOID*)&pSFChild);
 431                 if (SUCCEEDED(hr))
 432                 {
 433                     DWORD flags = BrowseFlagsToSHCONTF(info->lpBrowseInfo->ulFlags);
 434                     hr = IShellFolder_EnumObjects(pSFChild, hwnd, flags, &pEnumIL);
 435                     if (hr == S_OK)
 436                     {
 437                         if ((IEnumIDList_Skip(pEnumIL, 1) != S_OK) ||
 438                              FAILED(IEnumIDList_Reset(pEnumIL)))
 439                         {
 440                             IEnumIDList_Release(pEnumIL);
 441                             pEnumIL = NULL;
 442                         }
 443                     }
 444                     IShellFolder_Release(pSFChild);
 445                 }
 446             }
 447
 448             if (!(hPrev = InsertTreeViewItem(info, lpsf, pidlTemp, pidl, pEnumIL, hParent)))
 449                 goto done;
 450             SHFree(pidlTemp);  /* Finally, free the pidl that the shell gave us... */
 451             pidlTemp=NULL;
 452         }
 453
 454 done:
 455         ReleaseCapture();
 456         SetCursor(LoadCursorW(0, (LPWSTR)IDC_ARROW));
 457     SHFree(pidlTemp);
 458 }
 459
 460 static inline BOOL PIDLIsType(LPCITEMIDLIST pidl, PIDLTYPE type)
 461 {
 462     LPPIDLDATA data = _ILGetDataPointer(pidl);
 463     if (!data)
 464         return FALSE;
 465     return (data->type == type);
 466 }
 467
 468 static void BrsFolder_CheckValidSelection( browse_info *info, LPTV_ITEMDATA lptvid )
 469 {
 470     LPBROWSEINFOW lpBrowseInfo = info->lpBrowseInfo;
 471     LPCITEMIDLIST pidl = lptvid->lpi;
 472     BOOL bEnabled = TRUE;
 473     DWORD dwAttributes;
 474     HRESULT r;
 475
 476     if ((lpBrowseInfo->ulFlags & BIF_BROWSEFORCOMPUTER) &&
 477         !PIDLIsType(pidl, PT_COMP))
 478         bEnabled = FALSE;
 479     if (lpBrowseInfo->ulFlags & BIF_RETURNFSANCESTORS)
 480     {
 481         dwAttributes = SFGAO_FILESYSANCESTOR | SFGAO_FILESYSTEM;
 482         r = IShellFolder_GetAttributesOf(lptvid->lpsfParent, 1,
 483                                 (LPCITEMIDLIST*)&lptvid->lpi, &dwAttributes);
 484         if (FAILED(r) || !(dwAttributes & (SFGAO_FILESYSANCESTOR|SFGAO_FILESYSTEM)))
 485             bEnabled = FALSE;
 486     }
 487     if (lpBrowseInfo->ulFlags & BIF_RETURNONLYFSDIRS)
 488     {
 489         dwAttributes = SFGAO_FOLDER | SFGAO_FILESYSTEM;
 490         r = IShellFolder_GetAttributesOf(lptvid->lpsfParent, 1,
 491                                 (LPCITEMIDLIST*)&lptvid->lpi, &dwAttributes);
 492         if (FAILED(r) ||
 493             ((dwAttributes & (SFGAO_FOLDER|SFGAO_FILESYSTEM)) != (SFGAO_FOLDER|SFGAO_FILESYSTEM)))
 494         {
 495             bEnabled = FALSE;
 496         }
 497     }
 498     SendMessageW(info->hWnd, BFFM_ENABLEOK, 0, bEnabled);
 499 }
 500
 501 static LRESULT BrsFolder_Treeview_Delete( browse_info *info, NMTREEVIEWW *pnmtv )
 502 {
 503     LPTV_ITEMDATA lptvid = (LPTV_ITEMDATA)pnmtv->itemOld.lParam;
 504
 505     TRACE("TVN_DELETEITEMA/W %p\n", lptvid);
 506
 507     IShellFolder_Release(lptvid->lpsfParent);
 508     if (lptvid->pEnumIL)
 509         IEnumIDList_Release(lptvid->pEnumIL);
 510     SHFree(lptvid->lpi);
 511     SHFree(lptvid->lpifq);
 512     SHFree(lptvid);
 513     return 0;
 514 }
 515
 516 static LRESULT BrsFolder_Treeview_Expand( browse_info *info, NMTREEVIEWW *pnmtv )
 517 {
 518     IShellFolder *lpsf2 = NULL;
 519     LPTV_ITEMDATA lptvid = (LPTV_ITEMDATA) pnmtv->itemNew.lParam;
 520     HRESULT r;
 521
 522     TRACE("TVN_ITEMEXPANDINGA/W\n");
 523
 524     if ((pnmtv->itemNew.state & TVIS_EXPANDEDONCE))
 525         return 0;
 526
 527     if (!_ILIsEmpty(lptvid->lpi)) {
 528         r = IShellFolder_BindToObject( lptvid->lpsfParent, lptvid->lpi, 0,
 529                                        &IID_IShellFolder, (void**)&lpsf2 );
 530     } else {
 531         lpsf2 = lptvid->lpsfParent;
 532         IShellFolder_AddRef(lpsf2);
 533         r = S_OK;
 534     }
 535
 536     if (SUCCEEDED(r))
 537     {
 538         FillTreeView( info, lpsf2, lptvid->lpifq, pnmtv->itemNew.hItem, lptvid->pEnumIL);
 539         IShellFolder_Release( lpsf2 );
 540     }
 541
 542     /* My Computer is already sorted and trying to do a simple text
 543      * sort will only mess things up */
 544     if (!_ILIsMyComputer(lptvid->lpi))
 545         SendMessageW( info->hwndTreeView, TVM_SORTCHILDREN,
 546                       FALSE, (LPARAM)pnmtv->itemNew.hItem );
 547
 548     return 0;
 549 }
 550
 551 static HRESULT BrsFolder_Treeview_Changed( browse_info *info, NMTREEVIEWW *pnmtv )
 552 {
 553     LPTV_ITEMDATA lptvid = (LPTV_ITEMDATA) pnmtv->itemNew.lParam;
 554
 555     lptvid = (LPTV_ITEMDATA) pnmtv->itemNew.lParam;
 556     info->pidlRet = lptvid->lpifq;
 557     browsefolder_callback( info->lpBrowseInfo, info->hWnd, BFFM_SELCHANGED,
 558                            (LPARAM)info->pidlRet );
 559     BrsFolder_CheckValidSelection( info, lptvid );
 560     return 0;
 561 }
 562
 563 static LRESULT BrsFolder_OnNotify( browse_info *info, UINT CtlID, LPNMHDR lpnmh )
 564 {
 565     NMTREEVIEWW *pnmtv = (NMTREEVIEWW *)lpnmh;
 566
 567     TRACE("%p %x %p msg=%x\n", info, CtlID, lpnmh, pnmtv->hdr.code);
 568
 569     if (pnmtv->hdr.idFrom != IDD_TREEVIEW)
 570         return 0;
 571
 572     switch (pnmtv->hdr.code)
 573     {
 574     case TVN_DELETEITEMA:
 575     case TVN_DELETEITEMW:
 576         return BrsFolder_Treeview_Delete( info, pnmtv );
 577
 578     case TVN_ITEMEXPANDINGA:
 579     case TVN_ITEMEXPANDINGW:
 580         return BrsFolder_Treeview_Expand( info, pnmtv );
 581
 582     case TVN_SELCHANGEDA:
 583     case TVN_SELCHANGEDW:
 584         return BrsFolder_Treeview_Changed( info, pnmtv );
 585
 586     default:
 587         WARN("unhandled (%d)\n", pnmtv->hdr.code);
 588         break;
 589     }
 590
 591     return 0;
 592 }
 593
 594
 595 static BOOL BrsFolder_OnCreate( HWND hWnd, browse_info *info )
 596 {
 597     LPBROWSEINFOW lpBrowseInfo = info->lpBrowseInfo;
 598
 599     info->hWnd = hWnd;
 600     SetPropW( hWnd, szBrowseFolderInfo, info );
 601
 602     if (lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE)
 603         FIXME("flags BIF_NEWDIALOGSTYLE partially implemented\n");
 604     if (lpBrowseInfo->ulFlags & ~SUPPORTEDFLAGS)
 605         FIXME("flags %x not implemented\n", lpBrowseInfo->ulFlags & ~SUPPORTEDFLAGS);
 606
 607     if (lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE)
 608     {
 609         RECT rcWnd;
 610
 611         info->layout = LayoutInit(hWnd, g_layout_info, LAYOUT_INFO_COUNT);
 612
 613         /* TODO: Windows allows shrinking the windows a bit */
 614         GetWindowRect(hWnd, &rcWnd);
 615         info->szMin.cx = rcWnd.right - rcWnd.left;
 616         info->szMin.cy = rcWnd.bottom - rcWnd.top;
 617     }
 618     else
 619     {
 620         info->layout = NULL;
 621     }
 622
 623     if (lpBrowseInfo->lpszTitle)
 624         SetWindowTextW( GetDlgItem(hWnd, IDD_TITLE), lpBrowseInfo->lpszTitle );
 625     else
 626         ShowWindow( GetDlgItem(hWnd, IDD_TITLE), SW_HIDE );
 627
 628     if (!(lpBrowseInfo->ulFlags & BIF_STATUSTEXT)
 629         || (lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE))
 630         ShowWindow( GetDlgItem(hWnd, IDD_STATUS), SW_HIDE );
 631
 632     /* Hide "Make New Folder" Button? */
 633     if ((lpBrowseInfo->ulFlags & BIF_NONEWFOLDERBUTTON)
 634         || !(lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE))
 635         ShowWindow( GetDlgItem(hWnd, IDD_MAKENEWFOLDER), SW_HIDE );
 636
 637     /* Hide the editbox? */
 638     if (!(lpBrowseInfo->ulFlags & BIF_EDITBOX))
 639     {
 640         ShowWindow( GetDlgItem(hWnd, IDD_FOLDER), SW_HIDE );
 641         ShowWindow( GetDlgItem(hWnd, IDD_FOLDERTEXT), SW_HIDE );
 642     }
 643
 644     info->hwndTreeView = GetDlgItem( hWnd, IDD_TREEVIEW );
 645     if (info->hwndTreeView)
 646     {
 647         InitializeTreeView( info );
 648
 649         /* Resize the treeview if there's not editbox */
 650         if ((lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE)
 651             && !(lpBrowseInfo->ulFlags & BIF_EDITBOX))
 652         {
 653             RECT rc;
 654             GetClientRect(info->hwndTreeView, &rc);
 655             SetWindowPos(info->hwndTreeView, HWND_TOP, 0, 0,
 656                          rc.right, rc.bottom + 40, SWP_NOMOVE);
 657         }
 658     }
 659     else
 660         ERR("treeview control missing!\n");
 661
 662     browsefolder_callback( info->lpBrowseInfo, hWnd, BFFM_INITIALIZED, 0 );
 663
 664     return TRUE;
 665 }
 666
 667 static BOOL BrsFolder_OnCommand( browse_info *info, UINT id )
 668 {
 669     LPBROWSEINFOW lpBrowseInfo = info->lpBrowseInfo;
 670
 671     switch (id)
 672     {
 673     case IDOK:
 674         /* The original pidl is owned by the treeview and will be free'd. */
 675         info->pidlRet = ILClone(info->pidlRet);
 676         if (info->pidlRet == NULL) /* A null pidl would mean a cancel */
 677             info->pidlRet = _ILCreateDesktop();
 678         pdump( info->pidlRet );
 679         if (lpBrowseInfo->pszDisplayName)
 680             SHGetPathFromIDListW( info->pidlRet, lpBrowseInfo->pszDisplayName );
 681         EndDialog( info->hWnd, 1 );
 682         return TRUE;
 683
 684     case IDCANCEL:
 685         EndDialog( info->hWnd, 0 );
 686         return TRUE;
 687
 688     case IDD_MAKENEWFOLDER:
 689         FIXME("make new folder not implemented\n");
 690         return TRUE;
 691     }
 692     return FALSE;
 693 }
 694
 695 static BOOL BrsFolder_OnSetExpanded(browse_info *info, LPVOID selection,
 696     BOOL is_str, HTREEITEM *pItem)
 697 {
 698     LPITEMIDLIST pidlSelection = selection;
 699     LPCITEMIDLIST pidlCurrent, pidlRoot;
 700     TVITEMEXW item;
 701     BOOL bResult = FALSE;
 702
 703     /* If 'selection' is a string, convert to a Shell ID List. */
 704     if (is_str) {
 705         IShellFolder *psfDesktop;
 706         HRESULT hr;
 707
 708         hr = SHGetDesktopFolder(&psfDesktop);
 709         if (FAILED(hr))
 710             goto done;
 711
 712         hr = IShellFolder_ParseDisplayName(psfDesktop, NULL, NULL,
 713                      selection, NULL, &pidlSelection, NULL);
 714         IShellFolder_Release(psfDesktop);
 715         if (FAILED(hr))
 716             goto done;
 717     }
 718
 719     /* Move pidlCurrent behind the SHITEMIDs in pidlSelection, which are the root of
 720      * the sub-tree currently displayed. */
 721     pidlRoot = info->lpBrowseInfo->pidlRoot;
 722     pidlCurrent = pidlSelection;
 723     while (!_ILIsEmpty(pidlRoot) && _ILIsEqualSimple(pidlRoot, pidlCurrent)) {
 724         pidlRoot = ILGetNext(pidlRoot);
 725         pidlCurrent = ILGetNext(pidlCurrent);
 726     }
 727
 728     /* The given ID List is not part of the SHBrowseForFolder's current sub-tree. */
 729     if (!_ILIsEmpty(pidlRoot))
 730         goto done;
 731
 732     /* Initialize item to point to the first child of the root folder. */
 733     memset(&item, 0, sizeof(item));
 734     item.mask = TVIF_PARAM;
 735     item.hItem = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_ROOT, 0);
 736
 737     if (item.hItem)
 738         item.hItem = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_CHILD,
 739                                              (LPARAM)item.hItem);
 740
 741     /* Walk the tree along the nodes corresponding to the remaining ITEMIDLIST */
 742     while (item.hItem && !_ILIsEmpty(pidlCurrent)) {
 743         LPTV_ITEMDATA pItemData;
 744
 745         SendMessageW(info->hwndTreeView, TVM_GETITEMW, 0, (LPARAM)&item);
 746         pItemData = (LPTV_ITEMDATA)item.lParam;
 747
 748         if (_ILIsEqualSimple(pItemData->lpi, pidlCurrent)) {
 749             pidlCurrent = ILGetNext(pidlCurrent);
 750             if (!_ILIsEmpty(pidlCurrent)) {
 751                 /* Only expand current node and move on to it's first child,
 752                  * if we didn't already reach the last SHITEMID */
 753                 SendMessageW(info->hwndTreeView, TVM_EXPAND, TVE_EXPAND, (LPARAM)item.hItem);
 754                 item.hItem = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_CHILD,
 755                                              (LPARAM)item.hItem);
 756             }
 757         } else {
 758             item.hItem = (HTREEITEM)SendMessageW(info->hwndTreeView, TVM_GETNEXTITEM, TVGN_NEXT,
 759                                              (LPARAM)item.hItem);
 760         }
 761     }
 762
 763     if (_ILIsEmpty(pidlCurrent) && item.hItem)
 764         bResult = TRUE;
 765
 766 done:
 767     if (pidlSelection && pidlSelection != selection)
 768         ILFree(pidlSelection);
 769
 770     if (pItem)
 771         *pItem = item.hItem;
 772
 773     return bResult;
 774 }
 775
 776 static BOOL BrsFolder_OnSetSelectionW(browse_info *info, LPVOID selection, BOOL is_str) {
 777     HTREEITEM hItem;
 778     BOOL bResult;
 779
 780     bResult = BrsFolder_OnSetExpanded(info, selection, is_str, &hItem);
 781     if (bResult)
 782         SendMessageW(info->hwndTreeView, TVM_SELECTITEM, TVGN_CARET, (LPARAM)hItem );
 783     return bResult;
 784 }
 785
 786 static BOOL BrsFolder_OnSetSelectionA(browse_info *info, LPVOID selection, BOOL is_str) {
 787     LPWSTR selectionW = NULL;
 788     BOOL result = FALSE;
 789     int length;
 790
 791     if (!is_str)
 792         return BrsFolder_OnSetSelectionW(info, selection, is_str);
 793
 794     if ((length = MultiByteToWideChar(CP_ACP, 0, selection, -1, NULL, 0)) &&
 795         (selectionW = HeapAlloc(GetProcessHeap(), 0, length * sizeof(WCHAR))) &&
 796         MultiByteToWideChar(CP_ACP, 0, selection, -1, selectionW, length))
 797     {
 798         result = BrsFolder_OnSetSelectionW(info, selectionW, is_str);
 799     }
 800
 801     HeapFree(GetProcessHeap(), 0, selectionW);
 802     return result;
 803 }
 804
 805 static BOOL BrsFolder_OnWindowPosChanging(browse_info *info, WINDOWPOS *pos)
 806 {
 807     if ((info->lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE) && !(pos->flags & SWP_NOSIZE))
 808     {
 809         if (pos->cx < info->szMin.cx)
 810             pos->cx = info->szMin.cx;
 811         if (pos->cy < info->szMin.cy)
 812             pos->cy = info->szMin.cy;
 813     }
 814     return 0;
 815 }
 816
 817 static INT BrsFolder_OnDestroy(browse_info *info)
 818 {
 819     if (info->layout)
 820     {
 821         SHFree(info->layout);
 822         info->layout = NULL;
 823     }
 824
 825     return 0;
 826 }
 827
 828 /*************************************************************************
 829  *             BrsFolderDlgProc32  (not an exported API function)
 830  */
 831 static INT_PTR CALLBACK BrsFolderDlgProc( HWND hWnd, UINT msg, WPARAM wParam,
 832                                           LPARAM lParam )
 833 {
 834     browse_info *info;
 835
 836     TRACE("hwnd=%p msg=%04x 0x%08lx 0x%08lx\n", hWnd, msg, wParam, lParam );
 837
 838     if (msg == WM_INITDIALOG)
 839         return BrsFolder_OnCreate( hWnd, (browse_info*) lParam );
 840
 841     info = GetPropW( hWnd, szBrowseFolderInfo );
 842
 843     switch (msg)
 844     {
 845     case WM_NOTIFY:
 846         return BrsFolder_OnNotify( info, (UINT)wParam, (LPNMHDR)lParam);
 847
 848     case WM_COMMAND:
 849         return BrsFolder_OnCommand( info, wParam );
 850
 851     case WM_WINDOWPOSCHANGING:
 852         return BrsFolder_OnWindowPosChanging( info, (WINDOWPOS *)lParam);
 853
 854     case WM_SIZE:
 855         if (info->layout)  /* new style dialogs */
 856             LayoutUpdate(hWnd, info->layout, g_layout_info, LAYOUT_INFO_COUNT);
 857         return 0;
 858
 859     case BFFM_SETSTATUSTEXTA:
 860         TRACE("Set status %s\n", debugstr_a((LPSTR)lParam));
 861         SetWindowTextA(GetDlgItem(hWnd, IDD_STATUS), (LPSTR)lParam);
 862         break;
 863
 864     case BFFM_SETSTATUSTEXTW:
 865         TRACE("Set status %s\n", debugstr_w((LPWSTR)lParam));
 866         SetWindowTextW(GetDlgItem(hWnd, IDD_STATUS), (LPWSTR)lParam);
 867         break;
 868
 869     case BFFM_ENABLEOK:
 870         TRACE("Enable %ld\n", lParam);
 871         EnableWindow(GetDlgItem(hWnd, 1), (lParam)?TRUE:FALSE);
 872         break;
 873
 874     case BFFM_SETOKTEXT: /* unicode only */
 875         TRACE("Set OK text %s\n", debugstr_w((LPWSTR)wParam));
 876         SetWindowTextW(GetDlgItem(hWnd, 1), (LPWSTR)wParam);
 877         break;
 878
 879     case BFFM_SETSELECTIONA:
 880         return BrsFolder_OnSetSelectionA(info, (LPVOID)lParam, (BOOL)wParam);
 881
 882     case BFFM_SETSELECTIONW:
 883         return BrsFolder_OnSetSelectionW(info, (LPVOID)lParam, (BOOL)wParam);
 884
 885     case BFFM_SETEXPANDED: /* unicode only */
 886         return BrsFolder_OnSetExpanded(info, (LPVOID)lParam, (BOOL)wParam, NULL);
 887
 888     case WM_DESTROY:
 889         return BrsFolder_OnDestroy(info);
 890     }
 891     return FALSE;
 892 }
 893
 894 static const WCHAR swBrowseTemplateName[] = {
 895     'S','H','B','R','S','F','O','R','F','O','L','D','E','R','_','M','S','G','B','O','X',0};
 896 static const WCHAR swNewBrowseTemplateName[] = {
 897     'S','H','N','E','W','B','R','S','F','O','R','F','O','L','D','E','R','_','M','S','G','B','O','X',0};
 898
 899 /*************************************************************************
 900  * SHBrowseForFolderA [SHELL32.@]
 901  * SHBrowseForFolder  [SHELL32.@]
 902  */
 903 LPITEMIDLIST WINAPI SHBrowseForFolderA (LPBROWSEINFOA lpbi)
 904 {
 905     BROWSEINFOW bi;
 906     LPITEMIDLIST lpid;
 907     INT len;
 908     LPWSTR title;
 909
 910     TRACE("%p\n", lpbi);
 911
 912     bi.hwndOwner = lpbi->hwndOwner;
 913     bi.pidlRoot = lpbi->pidlRoot;
 914     if (lpbi->pszDisplayName)
 915     {
 916         bi.pszDisplayName = HeapAlloc( GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR) );
 917         MultiByteToWideChar( CP_ACP, 0, lpbi->pszDisplayName, -1, bi.pszDisplayName, MAX_PATH );
 918     }
 919     else
 920         bi.pszDisplayName = NULL;
 921
 922     if (lpbi->lpszTitle)
 923     {
 924         len = MultiByteToWideChar( CP_ACP, 0, lpbi->lpszTitle, -1, NULL, 0 );
 925         title = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
 926         MultiByteToWideChar( CP_ACP, 0, lpbi->lpszTitle, -1, title, len );
 927     }
 928     else
 929         title = NULL;
 930
 931     bi.lpszTitle = title;
 932     bi.ulFlags = lpbi->ulFlags;
 933     bi.lpfn = lpbi->lpfn;
 934     bi.lParam = lpbi->lParam;
 935     bi.iImage = lpbi->iImage;
 936     lpid = SHBrowseForFolderW( &bi );
 937     if (bi.pszDisplayName)
 938     {
 939         WideCharToMultiByte( CP_ACP, 0, bi.pszDisplayName, -1,
 940                              lpbi->pszDisplayName, MAX_PATH, 0, NULL);
 941         HeapFree( GetProcessHeap(), 0, bi.pszDisplayName );
 942     }
 943     HeapFree(GetProcessHeap(), 0, title);
 944     lpbi->iImage = bi.iImage;
 945     return lpid;
 946 }
 947
 948
 949 /*************************************************************************
 950  * SHBrowseForFolderW [SHELL32.@]
 951  *
 952  * NOTES
 953  *  crashes when passed a null pointer
 954  */
 955 LPITEMIDLIST WINAPI SHBrowseForFolderW (LPBROWSEINFOW lpbi)
 956 {
 957     browse_info info;
 958     DWORD r;
 959     HRESULT hr;
 960     const WCHAR * templateName;
 961
 962     info.hWnd = 0;
 963     info.pidlRet = NULL;
 964     info.lpBrowseInfo = lpbi;
 965     info.hwndTreeView = NULL;
 966
 967     hr = OleInitialize(NULL);
 968
 969     if (lpbi->ulFlags & BIF_NEWDIALOGSTYLE)
 970         templateName = swNewBrowseTemplateName;
 971     else
 972         templateName = swBrowseTemplateName;
 973     r = DialogBoxParamW( shell32_hInstance, templateName, lpbi->hwndOwner,
 974                          BrsFolderDlgProc, (LPARAM)&info );
 975     if (SUCCEEDED(hr))
 976         OleUninitialize();
 977     if (!r)
 978         return NULL;
 979
 980     return info.pidlRet;
 981 }