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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  *
  18  * FIXME:
  19  *  - view with root unequal desktop
  20  *  - many memory leaks
  21  *  - show only filesystem objects
  22  */
  23
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27 #include "wine/debug.h"
  28 #include "undocshell.h"
  29 #include "shlguid.h"
  30 #include "pidl.h"
  31 #include "shell32_main.h"
  32 #include "shellapi.h"
  33 #include "shresdef.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  36
  37 static HWND             hwndTreeView;
  38 static LPBROWSEINFOW    lpBrowseInfo;
  39 static LPITEMIDLIST     pidlRet;
  40
  41 static void FillTreeView(LPSHELLFOLDER lpsf, LPITEMIDLIST  lpifq, HTREEITEM hParent);
  42
  43 static void InitializeTreeView(HWND hwndParent, LPCITEMIDLIST root)
  44 {
  45         HIMAGELIST      hImageList;
  46         IShellFolder *  lpsf;
  47         HRESULT hr;
  48
  49         hwndTreeView = GetDlgItem (hwndParent, IDD_TREEVIEW);
  50         Shell_GetImageList(NULL, &hImageList);
  51
  52         TRACE("dlg=%p tree=%p\n", hwndParent, hwndTreeView );
  53
  54         if (hImageList && hwndTreeView)
  55         { TreeView_SetImageList(hwndTreeView, hImageList, 0);
  56         }
  57
  58         /* so far, this method doesn't work (still missing the upper level), keep the old way */
  59 #if 0
  60         if (_ILIsDesktop (root)) {
  61            hr = SHGetDesktopFolder(&lpsf);
  62         } else {
  63            IShellFolder *       lpsfdesktop;
  64
  65            hr = SHGetDesktopFolder(&lpsfdesktop);
  66            if (SUCCEEDED(hr)) {
  67               hr = IShellFolder_BindToObject(lpsfdesktop, root, 0,(REFIID)&IID_IShellFolder,(LPVOID *)&lpsf);
  68               IShellFolder_Release(lpsfdesktop);
  69            }
  70         }
  71 #else
  72         hr = SHGetDesktopFolder(&lpsf);
  73 #endif
  74
  75         if (SUCCEEDED(hr) && hwndTreeView)
  76         { TreeView_DeleteAllItems(hwndTreeView);
  77           FillTreeView(lpsf, NULL, TVI_ROOT);
  78         }
  79
  80         if (SUCCEEDED(hr))
  81         { IShellFolder_Release(lpsf);
  82         }
  83         TRACE("done\n");
  84 }
  85
  86 static int GetIcon(LPITEMIDLIST lpi, UINT uFlags)
  87 {       SHFILEINFOW    sfi;
  88         SHGetFileInfoW((LPCWSTR)lpi, 0 ,&sfi, sizeof(SHFILEINFOW), uFlags);
  89         return sfi.iIcon;
  90 }
  91
  92 static void GetNormalAndSelectedIcons(LPITEMIDLIST lpifq, LPTVITEMW lpTV_ITEM)
  93 {       TRACE("%p %p\n",lpifq, lpTV_ITEM);
  94
  95         lpTV_ITEM->iImage = GetIcon(lpifq, SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON);
  96         lpTV_ITEM->iSelectedImage = GetIcon(lpifq, SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON | SHGFI_OPENICON);
  97
  98         return;
  99 }
 100
 101 typedef struct tagID
 102 {
 103    LPSHELLFOLDER lpsfParent;
 104    LPITEMIDLIST  lpi;
 105    LPITEMIDLIST  lpifq;
 106 } TV_ITEMDATA, *LPTV_ITEMDATA;
 107
 108 static BOOL GetName(LPSHELLFOLDER lpsf, LPITEMIDLIST lpi, DWORD dwFlags, LPWSTR lpFriendlyName)
 109 {
 110         BOOL   bSuccess=TRUE;
 111         STRRET str;
 112
 113         TRACE("%p %p %lx %p\n", lpsf, lpi, dwFlags, lpFriendlyName);
 114         if (SUCCEEDED(IShellFolder_GetDisplayNameOf(lpsf, lpi, dwFlags, &str)))
 115         {
 116           if (FAILED(StrRetToStrNW(lpFriendlyName, MAX_PATH, &str, lpi)))
 117           {
 118               bSuccess = FALSE;
 119           }
 120         }
 121         else
 122           bSuccess = FALSE;
 123
 124         TRACE("-- %s\n", debugstr_w(lpFriendlyName));
 125         return bSuccess;
 126 }
 127
 128 static void FillTreeView(IShellFolder * lpsf, LPITEMIDLIST  pidl, HTREEITEM hParent)
 129 {
 130         TVITEMW         tvi;
 131         TVINSERTSTRUCTW tvins;
 132         HTREEITEM       hPrev = 0;
 133         LPENUMIDLIST    lpe=0;
 134         LPITEMIDLIST    pidlTemp=0;
 135         LPTV_ITEMDATA   lptvid=0;
 136         ULONG           ulFetched;
 137         HRESULT         hr;
 138         WCHAR           szBuff[MAX_PATH];
 139         HWND            hwnd=GetParent(hwndTreeView);
 140
 141         TRACE("%p %p %x\n",lpsf, pidl, (INT)hParent);
 142         SetCapture(GetParent(hwndTreeView));
 143         SetCursor(LoadCursorA(0, IDC_WAITA));
 144
 145         hr=IShellFolder_EnumObjects(lpsf, hwnd, SHCONTF_FOLDERS | SHCONTF_NONFOLDERS, &lpe);
 146
 147         if (SUCCEEDED(hr))
 148         { while (NOERROR == IEnumIDList_Next(lpe,1,&pidlTemp,&ulFetched))
 149           { ULONG ulAttrs = SFGAO_HASSUBFOLDER | SFGAO_FOLDER;
 150             IShellFolder_GetAttributesOf(lpsf, 1, &pidlTemp, &ulAttrs);
 151             if (ulAttrs & (SFGAO_HASSUBFOLDER | SFGAO_FOLDER))
 152             { if (ulAttrs & SFGAO_FOLDER)
 153               { tvi.mask  = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_PARAM;
 154
 155                 if (ulAttrs & SFGAO_HASSUBFOLDER)
 156                 {  tvi.cChildren=1;
 157                    tvi.mask |= TVIF_CHILDREN;
 158                 }
 159
 160                 if (!(lptvid = (LPTV_ITEMDATA)SHAlloc(sizeof(TV_ITEMDATA))))
 161                     goto Done;
 162
 163                 if (!GetName(lpsf, pidlTemp, SHGDN_NORMAL, szBuff))
 164                     goto Done;
 165
 166                 tvi.pszText    = szBuff;
 167                 tvi.cchTextMax = MAX_PATH;
 168                 tvi.lParam = (LPARAM)lptvid;
 169
 170                 IShellFolder_AddRef(lpsf);
 171                 lptvid->lpsfParent = lpsf;
 172                 lptvid->lpi     = ILClone(pidlTemp);
 173                 lptvid->lpifq   = ILCombine(pidl, pidlTemp);
 174                 GetNormalAndSelectedIcons(lptvid->lpifq, &tvi);
 175
 176                 tvins.DUMMYUNIONNAME.item         = tvi;
 177                 tvins.hInsertAfter = hPrev;
 178                 tvins.hParent      = hParent;
 179
 180                 hPrev = (HTREEITEM)TreeView_InsertItemW(hwndTreeView, &tvins);
 181
 182               }
 183             }
 184             SHFree(pidlTemp);  /* Finally, free the pidl that the shell gave us... */
 185             pidlTemp=0;
 186           }
 187         }
 188
 189 Done:
 190         ReleaseCapture();
 191         SetCursor(LoadCursorW(0, IDC_ARROWW));
 192
 193         if (lpe)
 194           IEnumIDList_Release(lpe);
 195         if (pidlTemp )
 196           SHFree(pidlTemp);
 197 }
 198
 199 static LRESULT MsgNotify(HWND hWnd,  UINT CtlID, LPNMHDR lpnmh)
 200 {
 201         NMTREEVIEWW     *pnmtv   = (NMTREEVIEWW *)lpnmh;
 202         LPTV_ITEMDATA   lptvid;  /* Long pointer to TreeView item data */
 203         IShellFolder *  lpsf2=0;
 204
 205
 206         TRACE("%p %x %p msg=%x\n", hWnd,  CtlID, lpnmh, pnmtv->hdr.code);
 207
 208         switch (pnmtv->hdr.idFrom)
 209         { case IDD_TREEVIEW:
 210             switch (pnmtv->hdr.code)
 211             { case TVN_DELETEITEMA:
 212               case TVN_DELETEITEMW:
 213                 { FIXME("TVN_DELETEITEMA/W\n");
 214                   lptvid=(LPTV_ITEMDATA)pnmtv->itemOld.lParam;
 215                   IShellFolder_Release(lptvid->lpsfParent);
 216                   SHFree(lptvid->lpi);
 217                   SHFree(lptvid->lpifq);
 218                   SHFree(lptvid);
 219                 }
 220                 break;
 221
 222               case TVN_ITEMEXPANDINGA:
 223               case TVN_ITEMEXPANDINGW:
 224                 { FIXME("TVN_ITEMEXPANDINGA/W\n");
 225                   if ((pnmtv->itemNew.state & TVIS_EXPANDEDONCE))
 226                     break;
 227
 228                   lptvid=(LPTV_ITEMDATA)pnmtv->itemNew.lParam;
 229                   if (SUCCEEDED(IShellFolder_BindToObject(lptvid->lpsfParent, lptvid->lpi,0,(REFIID)&IID_IShellFolder,(LPVOID *)&lpsf2)))
 230                   { FillTreeView( lpsf2, lptvid->lpifq, pnmtv->itemNew.hItem );
 231                   }
 232                   TreeView_SortChildren(hwndTreeView, pnmtv->itemNew.hItem, FALSE);
 233                 }
 234                 break;
 235               case TVN_SELCHANGEDA:
 236               case TVN_SELCHANGEDW:
 237                 lptvid=(LPTV_ITEMDATA)pnmtv->itemNew.lParam;
 238                 pidlRet = lptvid->lpifq;
 239                 if (lpBrowseInfo->lpfn)
 240                    (lpBrowseInfo->lpfn)(hWnd, BFFM_SELCHANGED, (LPARAM)pidlRet, lpBrowseInfo->lParam);
 241                 break;
 242
 243               default:
 244                 FIXME("unhandled (%d)\n", pnmtv->hdr.code);
 245                 break;
 246             }
 247             break;
 248
 249           default:
 250             break;
 251         }
 252
 253         return 0;
 254 }
 255
 256
 257 /*************************************************************************
 258  *             BrsFolderDlgProc32  (not an exported API function)
 259  */
 260 static INT_PTR CALLBACK BrsFolderDlgProc(HWND hWnd, UINT msg, WPARAM wParam,
 261                                      LPARAM lParam )
 262 {
 263         TRACE("hwnd=%p msg=%04x 0x%08x 0x%08lx\n", hWnd,  msg, wParam, lParam );
 264
 265         switch(msg)
 266         { case WM_INITDIALOG:
 267             pidlRet = NULL;
 268             lpBrowseInfo = (LPBROWSEINFOW) lParam;
 269             if (lpBrowseInfo->ulFlags & ~(BIF_STATUSTEXT))
 270               FIXME("flags %x not implemented\n", lpBrowseInfo->ulFlags & ~(BIF_STATUSTEXT));
 271             if (lpBrowseInfo->lpszTitle) {
 272                SetWindowTextW(GetDlgItem(hWnd, IDD_TITLE), lpBrowseInfo->lpszTitle);
 273             } else {
 274                ShowWindow(GetDlgItem(hWnd, IDD_TITLE), SW_HIDE);
 275             }
 276             if (!(lpBrowseInfo->ulFlags & BIF_STATUSTEXT))
 277                ShowWindow(GetDlgItem(hWnd, IDD_STATUS), SW_HIDE);
 278
 279             if (lpBrowseInfo->pidlRoot )
 280               FIXME("root is desktop\n");
 281
 282             InitializeTreeView(hWnd, lpBrowseInfo->pidlRoot);
 283
 284             if (lpBrowseInfo->lpfn) {
 285                (lpBrowseInfo->lpfn)(hWnd, BFFM_INITIALIZED, 0, lpBrowseInfo->lParam);
 286                (lpBrowseInfo->lpfn)(hWnd, BFFM_SELCHANGED, 0/*FIXME*/, lpBrowseInfo->lParam);
 287             }
 288
 289             return TRUE;
 290
 291           case WM_NOTIFY:
 292             MsgNotify( hWnd, (UINT)wParam, (LPNMHDR)lParam);
 293             break;
 294
 295           case WM_COMMAND:
 296             switch (wParam)
 297             { case IDOK:
 298                 pdump ( pidlRet );
 299                 SHGetPathFromIDListW(pidlRet, lpBrowseInfo->pszDisplayName);
 300                 EndDialog(hWnd, (DWORD) ILClone(pidlRet));
 301                 return TRUE;
 302
 303               case IDCANCEL:
 304                 EndDialog(hWnd, 0);
 305                 return TRUE;
 306             }
 307             break;
 308         case BFFM_SETSTATUSTEXTA:
 309            TRACE("Set status %s\n", debugstr_a((LPSTR)lParam));
 310            SetWindowTextA(GetDlgItem(hWnd, IDD_STATUS), (LPSTR)lParam);
 311            break;
 312         case BFFM_SETSTATUSTEXTW:
 313            TRACE("Set status %s\n", debugstr_w((LPWSTR)lParam));
 314            SetWindowTextW(GetDlgItem(hWnd, IDD_STATUS), (LPWSTR)lParam);
 315            break;
 316         case BFFM_ENABLEOK:
 317            TRACE("Enable %ld\n", lParam);
 318            EnableWindow(GetDlgItem(hWnd, 1), (lParam)?TRUE:FALSE);
 319            break;
 320         case BFFM_SETSELECTIONA:
 321            if (wParam)
 322               TRACE("Set selection %s\n", debugstr_a((LPSTR)lParam));
 323            else
 324               TRACE("Set selection %p\n", (void*)lParam);
 325            break;
 326         case BFFM_SETSELECTIONW:
 327            if (wParam)
 328               TRACE("Set selection %s\n", debugstr_w((LPWSTR)lParam));
 329            else
 330               TRACE("Set selection %p\n", (void*)lParam);
 331            break;
 332         }
 333         return FALSE;
 334 }
 335
 336 static WCHAR swBrowseTempName[] = {'S','H','B','R','S','F','O','R','F','O','L','D','E','R','_','M','S','G','B','O','X',0};
 337
 338 /*************************************************************************
 339  * SHBrowseForFolderA [SHELL32.@]
 340  * SHBrowseForFolder  [SHELL32.@]
 341  */
 342 LPITEMIDLIST WINAPI SHBrowseForFolderA (LPBROWSEINFOA lpbi)
 343 {
 344         BROWSEINFOW bi;
 345         LPITEMIDLIST lpid;
 346         INT len;
 347
 348         TRACE("(%p{lpszTitle=%s,owner=%p})\n", lpbi,
 349             lpbi ? debugstr_a(lpbi->lpszTitle) : NULL, lpbi ? lpbi->hwndOwner : NULL);
 350
 351         if (!lpbi)
 352           return NULL;
 353
 354         bi.hwndOwner = lpbi->hwndOwner;
 355         bi.pidlRoot = lpbi->pidlRoot;
 356         if (lpbi->pszDisplayName)
 357         {
 358           len = MultiByteToWideChar(CP_ACP, 0, lpbi->pszDisplayName, -1, NULL, 0);
 359           bi.pszDisplayName = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 360           MultiByteToWideChar(CP_ACP, 0, lpbi->pszDisplayName, -1, bi.pszDisplayName, len);
 361         }
 362         else
 363           bi.pszDisplayName = NULL;
 364
 365         if (lpbi->lpszTitle)
 366         {
 367           len = MultiByteToWideChar(CP_ACP, 0, lpbi->lpszTitle, -1, NULL, 0);
 368           bi.lpszTitle = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 369           MultiByteToWideChar(CP_ACP, 0, lpbi->lpszTitle, -1, (LPWSTR)bi.lpszTitle, len);
 370         }
 371         else
 372           bi.lpszTitle = NULL;
 373
 374         bi.ulFlags = lpbi->ulFlags;
 375         bi.lpfn = lpbi->lpfn;
 376         bi.lParam = lpbi->lParam;
 377         bi.iImage = lpbi->iImage;
 378         lpid = (LPITEMIDLIST) DialogBoxParamW(shell32_hInstance,
 379                                               swBrowseTempName, lpbi->hwndOwner,
 380                                               BrsFolderDlgProc, (INT)&bi);
 381         if (bi.pszDisplayName)
 382         {
 383           WideCharToMultiByte(CP_ACP, 0, bi.pszDisplayName, -1, lpbi->pszDisplayName, MAX_PATH, 0, NULL);
 384           HeapFree(GetProcessHeap(), 0, bi.pszDisplayName);
 385         }
 386         if (bi.lpszTitle)
 387         {
 388           HeapFree(GetProcessHeap(), 0, (LPVOID)bi.lpszTitle);
 389         }
 390         lpbi->iImage = bi.iImage;
 391         return lpid;
 392 }
 393
 394
 395 /*************************************************************************
 396  * SHBrowseForFolderW [SHELL32.@]
 397  */
 398 LPITEMIDLIST WINAPI SHBrowseForFolderW (LPBROWSEINFOW lpbi)
 399 {
 400         TRACE("((%p->{lpszTitle=%s,owner=%p})\n", lpbi,
 401             lpbi ? debugstr_w(lpbi->lpszTitle) : NULL, lpbi ? lpbi->hwndOwner : 0);
 402
 403         if (!lpbi)
 404           return NULL;
 405
 406         return (LPITEMIDLIST) DialogBoxParamW(shell32_hInstance,
 407                                               swBrowseTempName, lpbi->hwndOwner,
 408                                               BrsFolderDlgProc, (INT)lpbi);
 409 }