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 LPBROWSEINFOA    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=%x tree=%x\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 {       SHFILEINFOA    sfi;
  88         SHGetFileInfoA((LPCSTR)lpi,0,&sfi, sizeof(SHFILEINFOA), uFlags);
  89         return sfi.iIcon;
  90 }
  91
  92 static void GetNormalAndSelectedIcons(LPITEMIDLIST lpifq,LPTVITEMA 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, LPSTR 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(StrRetToStrNA (lpFriendlyName, MAX_PATH, &str, lpi)))
 117           {
 118               bSuccess = FALSE;
 119           }
 120         }
 121         else
 122           bSuccess = FALSE;
 123
 124         TRACE("-- %s\n",lpFriendlyName);
 125         return bSuccess;
 126 }
 127
 128 static void FillTreeView(IShellFolder * lpsf, LPITEMIDLIST  pidl, HTREEITEM hParent)
 129 {
 130         TVITEMA         tvi;
 131         TVINSERTSTRUCTA 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         char            szBuff[256];
 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_InsertItemA (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(LoadCursorA(0, IDC_ARROWA));
 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         NMTREEVIEWA     *pnmtv   = (NMTREEVIEWA *)lpnmh;
 202         LPTV_ITEMDATA   lptvid;  /* Long pointer to TreeView item data */
 203         IShellFolder *  lpsf2=0;
 204
 205
 206         TRACE("%x %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: case TVN_DELETEITEMW:
 212                 { FIXME("TVN_DELETEITEMA/W\n");
 213                   lptvid=(LPTV_ITEMDATA)pnmtv->itemOld.lParam;
 214                   IShellFolder_Release(lptvid->lpsfParent);
 215                   SHFree(lptvid->lpi);
 216                   SHFree(lptvid->lpifq);
 217                   SHFree(lptvid);
 218                 }
 219                 break;
 220
 221               case TVN_ITEMEXPANDINGA: case TVN_ITEMEXPANDINGW:
 222                 { FIXME("TVN_ITEMEXPANDINGA/W\n");
 223                   if ((pnmtv->itemNew.state & TVIS_EXPANDEDONCE))
 224                     break;
 225
 226                   lptvid=(LPTV_ITEMDATA)pnmtv->itemNew.lParam;
 227                   if (SUCCEEDED(IShellFolder_BindToObject(lptvid->lpsfParent, lptvid->lpi,0,(REFIID)&IID_IShellFolder,(LPVOID *)&lpsf2)))
 228                   { FillTreeView( lpsf2, lptvid->lpifq, pnmtv->itemNew.hItem );
 229                   }
 230                   TreeView_SortChildren(hwndTreeView, pnmtv->itemNew.hItem, FALSE);
 231                 }
 232                 break;
 233               case TVN_SELCHANGEDA: case TVN_SELCHANGEDW:
 234                 lptvid=(LPTV_ITEMDATA)pnmtv->itemNew.lParam;
 235                 pidlRet = lptvid->lpifq;
 236                 if (lpBrowseInfo->lpfn)
 237                    (lpBrowseInfo->lpfn)(hWnd, BFFM_SELCHANGED, (LPARAM)pidlRet, lpBrowseInfo->lParam);
 238                 break;
 239
 240               default:
 241                 FIXME("unhandled (%d)\n", pnmtv->hdr.code);
 242                 break;
 243             }
 244             break;
 245
 246           default:
 247             break;
 248         }
 249
 250         return 0;
 251 }
 252
 253
 254 /*************************************************************************
 255  *             BrsFolderDlgProc32  (not an exported API function)
 256  */
 257 static INT_PTR CALLBACK BrsFolderDlgProc( HWND hWnd, UINT msg, WPARAM wParam,
 258                                      LPARAM lParam )
 259 {
 260        TRACE("hwnd=%08x msg=%04x 0x%08x 0x%08lx\n", hWnd,  msg, wParam, lParam );
 261
 262         switch(msg)
 263         { case WM_INITDIALOG:
 264             pidlRet = NULL;
 265             lpBrowseInfo = (LPBROWSEINFOA) lParam;
 266             if (lpBrowseInfo->ulFlags & ~(BIF_STATUSTEXT))
 267               FIXME("flags %x not implemented\n", lpBrowseInfo->ulFlags & ~(BIF_STATUSTEXT));
 268             if (lpBrowseInfo->lpszTitle) {
 269                SetWindowTextA(GetDlgItem(hWnd, IDD_TITLE), lpBrowseInfo->lpszTitle);
 270             } else {
 271                ShowWindow(GetDlgItem(hWnd, IDD_TITLE), SW_HIDE);
 272             }
 273             if (!(lpBrowseInfo->ulFlags & BIF_STATUSTEXT))
 274                ShowWindow(GetDlgItem(hWnd, IDD_STATUS), SW_HIDE);
 275
 276             if ( lpBrowseInfo->pidlRoot )
 277               FIXME("root is desktop\n");
 278
 279             InitializeTreeView( hWnd, lpBrowseInfo->pidlRoot );
 280
 281             if (lpBrowseInfo->lpfn) {
 282                (lpBrowseInfo->lpfn)(hWnd, BFFM_INITIALIZED, 0, lpBrowseInfo->lParam);
 283                (lpBrowseInfo->lpfn)(hWnd, BFFM_SELCHANGED, 0/*FIXME*/, lpBrowseInfo->lParam);
 284             }
 285
 286             return TRUE;
 287
 288           case WM_NOTIFY:
 289             MsgNotify( hWnd, (UINT)wParam, (LPNMHDR)lParam);
 290             break;
 291
 292           case WM_COMMAND:
 293             switch (wParam)
 294             { case IDOK:
 295                 pdump ( pidlRet );
 296                 SHGetPathFromIDListA(pidlRet, lpBrowseInfo->pszDisplayName);
 297                 EndDialog(hWnd, (DWORD) ILClone(pidlRet));
 298                 return TRUE;
 299
 300               case IDCANCEL:
 301                 EndDialog(hWnd, 0);
 302                 return TRUE;
 303             }
 304             break;
 305         case BFFM_SETSTATUSTEXTA:
 306            TRACE("Set status %s\n", debugstr_a((LPSTR)lParam));
 307            SetWindowTextA(GetDlgItem(hWnd, IDD_STATUS), (LPSTR)lParam);
 308            break;
 309         case BFFM_SETSTATUSTEXTW:
 310            TRACE("Set status %s\n", debugstr_w((LPWSTR)lParam));
 311            SetWindowTextW(GetDlgItem(hWnd, IDD_STATUS), (LPWSTR)lParam);
 312            break;
 313         case BFFM_ENABLEOK:
 314            TRACE("Enable %ld\n", lParam);
 315            EnableWindow(GetDlgItem(hWnd, 1), (lParam)?TRUE:FALSE);
 316            break;
 317         case BFFM_SETSELECTIONA:
 318            if (wParam)
 319               TRACE("Set selection %s\n", debugstr_a((LPSTR)lParam));
 320            else
 321               TRACE("Set selection %p\n", (void*)lParam);
 322            break;
 323         case BFFM_SETSELECTIONW:
 324            if (wParam)
 325               TRACE("Set selection %s\n", debugstr_w((LPWSTR)lParam));
 326            else
 327               TRACE("Set selection %p\n", (void*)lParam);
 328            break;
 329         }
 330         return FALSE;
 331 }
 332
 333 /*************************************************************************
 334  * SHBrowseForFolderA [SHELL32.@]
 335  * SHBrowseForFolder  [SHELL32.@]
 336  *
 337  */
 338 LPITEMIDLIST WINAPI SHBrowseForFolderA (LPBROWSEINFOA lpbi)
 339 {
 340         TRACE("(%p{lpszTitle=%s,owner=%i})\n",
 341               lpbi, debugstr_a(lpbi->lpszTitle), lpbi->hwndOwner);
 342
 343         return (LPITEMIDLIST) DialogBoxParamA( shell32_hInstance,
 344                                                "SHBRSFORFOLDER_MSGBOX",
 345                                                lpbi->hwndOwner,
 346                                                BrsFolderDlgProc, (INT)lpbi );
 347 }
 348
 349 /*************************************************************************
 350  * SHBrowseForFolderW [SHELL32.@]
 351  */
 352 LPITEMIDLIST WINAPI SHBrowseForFolderW (LPBROWSEINFOW lpbi)
 353 {
 354   char szDisplayName[MAX_PATH], szTitle[MAX_PATH];
 355   BROWSEINFOA bi;
 356
 357   TRACE("((%p->{lpszTitle=%s,owner=%i})\n", lpbi,
 358         lpbi ? debugstr_w(lpbi->lpszTitle): NULL, lpbi ? lpbi->hwndOwner: 0);
 359
 360   if (!lpbi)
 361     return NULL;
 362
 363   bi.hwndOwner = lpbi->hwndOwner;
 364   bi.pidlRoot = lpbi->pidlRoot;
 365   if (lpbi->pszDisplayName)
 366   {
 367     WideCharToMultiByte(CP_ACP, 0, lpbi->pszDisplayName, -1, szDisplayName, MAX_PATH, 0, NULL);
 368     bi.pszDisplayName = szDisplayName;
 369   }
 370   else
 371     bi.pszDisplayName = NULL;
 372
 373   if (lpbi->lpszTitle)
 374   {
 375     WideCharToMultiByte(CP_ACP, 0, lpbi->lpszTitle, -1, szTitle, MAX_PATH, 0, NULL);
 376     bi.lpszTitle = szTitle;
 377   }
 378   else
 379     bi.lpszTitle = NULL;
 380
 381   bi.ulFlags = lpbi->ulFlags;
 382   bi.lpfn = lpbi->lpfn;
 383   bi.lParam = lpbi->lParam;
 384   bi.iImage = lpbi->iImage;
 385   return (LPITEMIDLIST) DialogBoxParamA(shell32_hInstance,
 386                                         "SHBRSFORFOLDER_MSGBOX", lpbi->hwndOwner,
 387                                         BrsFolderDlgProc, (INT)lpbi);
 388 }