programs/regedit/listview.c

   1 /*
   2  * Regedit listviews
   3  *
   4  * Copyright (C) 2002 Robert Dickenson <robd@reactos.org>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <windows.h>
  22 #include <commctrl.h>
  23 #include <stdlib.h>
  24 #include <tchar.h>
  25 #include <stdio.h>
  26
  27 #include "main.h"
  28 #include "regproc.h"
  29
  30 #include "wine/unicode.h"
  31 static INT Image_String;
  32 static INT Image_Binary;
  33
  34 typedef struct tagLINE_INFO
  35 {
  36     DWORD dwValType;
  37     LPWSTR name;
  38     void* val;
  39     size_t val_len;
  40 } LINE_INFO;
  41
  42 /*******************************************************************************
  43  * Global and Local Variables:
  44  */
  45
  46 static WNDPROC g_orgListWndProc;
  47 static DWORD g_columnToSort = ~0U;
  48 static BOOL  g_invertSort = FALSE;
  49 static LPTSTR g_valueName;
  50 static LPTSTR g_currentPath;
  51 static HKEY g_currentRootKey;
  52 static WCHAR g_szValueNotSetW[64];
  53 static TCHAR g_szValueNotSet[64];
  54
  55 #define MAX_LIST_COLUMNS (IDS_LIST_COLUMN_LAST - IDS_LIST_COLUMN_FIRST + 1)
  56 static int default_column_widths[MAX_LIST_COLUMNS] = { 200, 175, 400 };
  57 static int column_alignment[MAX_LIST_COLUMNS] = { LVCFMT_LEFT, LVCFMT_LEFT, LVCFMT_LEFT };
  58
  59 LPTSTR GetItemText(HWND hwndLV, UINT item)
  60 {
  61     LPTSTR newStr, curStr;
  62     unsigned int maxLen = 128;
  63
  64     curStr = HeapAlloc(GetProcessHeap(), 0, maxLen);
  65     if (!curStr) return NULL;
  66     if (item == 0) { /* first item is ALWAYS a default */
  67         HeapFree(GetProcessHeap(), 0, curStr);
  68         return NULL;
  69     }
  70     do {
  71         ListView_GetItemText(hwndLV, item, 0, curStr, maxLen);
  72         if (_tcslen(curStr) < maxLen - 1) return curStr;
  73         newStr = HeapReAlloc(GetProcessHeap(), 0, curStr, maxLen * 2);
  74         if (!newStr) break;
  75         curStr = newStr;
  76         maxLen *= 2;
  77     } while (TRUE);
  78     HeapFree(GetProcessHeap(), 0, curStr);
  79     return NULL;
  80 }
  81
  82 LPCTSTR GetValueName(HWND hwndLV)
  83 {
  84     INT item;
  85
  86     if (g_valueName != LPSTR_TEXTCALLBACK)
  87         HeapFree(GetProcessHeap(), 0,  g_valueName);
  88     g_valueName = NULL;
  89
  90     item = ListView_GetNextItem(hwndLV, -1, LVNI_FOCUSED);
  91     if (item == -1) return NULL;
  92
  93     g_valueName = GetItemText(hwndLV, item);
  94
  95     return g_valueName;
  96 }
  97
  98 /* convert '\0' separated string list into ',' separated string list */
  99 static void MakeMULTISZDisplayable(LPWSTR multi)
 100 {
 101     do
 102     {
 103         for (; *multi; multi++)
 104             ;
 105         if (*(multi+1))
 106         {
 107             *multi = ',';
 108             multi++;
 109         }
 110     } while (*multi);
 111 }
 112
 113 /*******************************************************************************
 114  * Local module support methods
 115  */
 116 static void AddEntryToList(HWND hwndLV, LPWSTR Name, DWORD dwValType,
 117     void* ValBuf, DWORD dwCount, BOOL bHighlight)
 118 {
 119     LINE_INFO* linfo;
 120     LVITEMW item;
 121     int index;
 122
 123     linfo = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LINE_INFO) + dwCount);
 124     linfo->dwValType = dwValType;
 125     linfo->val_len = dwCount;
 126     CopyMemory(&linfo[1], ValBuf, dwCount);
 127
 128     if (Name)
 129     {
 130         linfo->name = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(Name) + 1) * sizeof(WCHAR));
 131         lstrcpyW(linfo->name, Name);
 132     } else
 133     {
 134         linfo->name = NULL;
 135     }
 136
 137     item.mask = LVIF_TEXT | LVIF_PARAM | LVIF_STATE | LVIF_IMAGE;
 138     item.iItem = ListView_GetItemCount(hwndLV);/*idx;  */
 139     item.iSubItem = 0;
 140     item.state = 0;
 141     item.stateMask = LVIS_FOCUSED | LVIS_SELECTED;
 142     item.pszText = Name ? Name : LPSTR_TEXTCALLBACKW;
 143     item.cchTextMax = Name ? lstrlenW(item.pszText) : 0;
 144     if (bHighlight) {
 145         item.stateMask = item.state = LVIS_FOCUSED | LVIS_SELECTED;
 146     }
 147     switch (dwValType)
 148     {
 149     case REG_SZ:
 150     case REG_EXPAND_SZ:
 151     case REG_MULTI_SZ:
 152         item.iImage = Image_String;
 153         break;
 154     default:
 155         item.iImage = Image_Binary;
 156         break;
 157     }
 158     item.lParam = (LPARAM)linfo;
 159
 160 #if (_WIN32_IE >= 0x0300)
 161     item.iIndent = 0;
 162 #endif
 163
 164     index = ListView_InsertItemW(hwndLV, &item);
 165     if (index != -1) {
 166         switch (dwValType) {
 167         case REG_SZ:
 168         case REG_EXPAND_SZ:
 169             if (ValBuf) {
 170                 ListView_SetItemTextW(hwndLV, index, 2, ValBuf);
 171             } else {
 172                 ListView_SetItemTextW(hwndLV, index, 2, g_szValueNotSetW);
 173             }
 174             break;
 175         case REG_DWORD: {
 176                 WCHAR buf[64];
 177                 WCHAR format[] = {'0','x','%','0','8','x',' ','(','%','u',')',0};
 178                 wsprintfW(buf, format, *(DWORD*)ValBuf, *(DWORD*)ValBuf);
 179                 ListView_SetItemTextW(hwndLV, index, 2, buf);
 180             }
 181             break;
 182         case REG_BINARY: {
 183                 unsigned int i;
 184                 LPBYTE pData = (LPBYTE)ValBuf;
 185                 LPWSTR strBinary = HeapAlloc(GetProcessHeap(), 0, dwCount * sizeof(WCHAR) * 3 + sizeof(WCHAR));
 186                 WCHAR format[] = {'%','0','2','X',' ',0};
 187                 for (i = 0; i < dwCount; i++)
 188                     wsprintfW( strBinary + i*3, format, pData[i] );
 189                 strBinary[dwCount * 3] = 0;
 190                 ListView_SetItemTextW(hwndLV, index, 2, strBinary);
 191                 HeapFree(GetProcessHeap(), 0, strBinary);
 192             }
 193             break;
 194         case REG_MULTI_SZ:
 195             MakeMULTISZDisplayable(ValBuf);
 196             ListView_SetItemTextW(hwndLV, index, 2, ValBuf);
 197             break;
 198         default:
 199           {
 200             WCHAR szText[128];
 201             LoadStringW(hInst, IDS_REGISTRY_VALUE_CANT_DISPLAY, szText, COUNT_OF(szText));
 202             ListView_SetItemTextW(hwndLV, index, 2, szText);
 203             break;
 204           }
 205         }
 206     }
 207 }
 208
 209 static BOOL InitListViewImageList(HWND hWndListView)
 210 {
 211     HIMAGELIST himl;
 212     HICON hicon;
 213     INT cx = GetSystemMetrics(SM_CXSMICON);
 214     INT cy = GetSystemMetrics(SM_CYSMICON);
 215
 216     himl = ImageList_Create(cx, cy, ILC_MASK, 0, 2);
 217     if (!himl)
 218         return FALSE;
 219
 220     hicon = LoadImage(hInst, MAKEINTRESOURCE(IDI_STRING),
 221         IMAGE_ICON, cx, cy, LR_DEFAULTCOLOR);
 222     Image_String = ImageList_AddIcon(himl, hicon);
 223
 224     hicon = LoadImage(hInst, MAKEINTRESOURCE(IDI_BIN),
 225         IMAGE_ICON, cx, cy, LR_DEFAULTCOLOR);
 226     Image_Binary = ImageList_AddIcon(himl, hicon);
 227
 228     SendMessage( hWndListView, LVM_SETIMAGELIST, LVSIL_SMALL, (LPARAM) himl );
 229
 230     /* fail if some of the icons failed to load */
 231     if (ImageList_GetImageCount(himl) < 2)
 232         return FALSE;
 233
 234     return TRUE;
 235 }
 236
 237 static BOOL CreateListColumns(HWND hWndListView)
 238 {
 239     TCHAR szText[50];
 240     int index;
 241     LV_COLUMN lvC;
 242
 243     /* Create columns. */
 244     lvC.mask = LVCF_FMT | LVCF_WIDTH | LVCF_TEXT | LVCF_SUBITEM;
 245     lvC.pszText = szText;
 246
 247     /* Load the column labels from the resource file. */
 248     for (index = 0; index < MAX_LIST_COLUMNS; index++) {
 249         lvC.iSubItem = index;
 250         lvC.cx = default_column_widths[index];
 251         lvC.fmt = column_alignment[index];
 252         LoadString(hInst, IDS_LIST_COLUMN_FIRST + index, szText, sizeof(szText)/sizeof(TCHAR));
 253         if (ListView_InsertColumn(hWndListView, index, &lvC) == -1) return FALSE;
 254     }
 255     return TRUE;
 256 }
 257
 258 /* OnGetDispInfo - processes the LVN_GETDISPINFO notification message.  */
 259
 260 static void OnGetDispInfo(NMLVDISPINFO* plvdi)
 261 {
 262     static TCHAR buffer[200];
 263     static TCHAR reg_szT[]               = {'R','E','G','_','S','Z',0},
 264                  reg_expand_szT[]        = {'R','E','G','_','E','X','P','A','N','D','_','S','Z',0},
 265                  reg_binaryT[]           = {'R','E','G','_','B','I','N','A','R','Y',0},
 266                  reg_dwordT[]            = {'R','E','G','_','D','W','O','R','D',0},
 267                  reg_dword_big_endianT[] = {'R','E','G','_','D','W','O','R','D','_',
 268                                             'B','I','G','_','E','N','D','I','A','N',0},
 269                  reg_multi_szT[]         = {'R','E','G','_','M','U','L','T','I','_','S','Z',0},
 270                  reg_linkT[]             = {'R','E','G','_','L','I','N','K',0},
 271                  reg_resource_listT[]    = {'R','E','G','_','R','E','S','O','U','R','C','E','_','L','I','S','T',0},
 272                  reg_noneT[]             = {'R','E','G','_','N','O','N','E',0},
 273                  emptyT[]                = {0};
 274
 275     plvdi->item.pszText = NULL;
 276     plvdi->item.cchTextMax = 0;
 277
 278     switch (plvdi->item.iSubItem) {
 279     case 0:
 280         plvdi->item.pszText = (LPSTR)g_pszDefaultValueName;
 281         break;
 282     case 1:
 283         switch (((LINE_INFO*)plvdi->item.lParam)->dwValType) {
 284         case REG_SZ:
 285             plvdi->item.pszText = reg_szT;
 286             break;
 287         case REG_EXPAND_SZ:
 288             plvdi->item.pszText = reg_expand_szT;
 289             break;
 290         case REG_BINARY:
 291             plvdi->item.pszText = reg_binaryT;
 292             break;
 293         case REG_DWORD:
 294             plvdi->item.pszText = reg_dwordT;
 295             break;
 296         case REG_DWORD_BIG_ENDIAN:
 297             plvdi->item.pszText = reg_dword_big_endianT;
 298             break;
 299         case REG_MULTI_SZ:
 300             plvdi->item.pszText = reg_multi_szT;
 301             break;
 302         case REG_LINK:
 303             plvdi->item.pszText = reg_linkT;
 304             break;
 305         case REG_RESOURCE_LIST:
 306             plvdi->item.pszText = reg_resource_listT;
 307             break;
 308         case REG_NONE:
 309             plvdi->item.pszText = reg_noneT;
 310             break;
 311         default:
 312           {
 313             TCHAR szUnknownFmt[64];
 314             LoadString(hInst, IDS_REGISTRY_UNKNOWN_TYPE, szUnknownFmt, COUNT_OF(szUnknownFmt));
 315             wsprintf(buffer, szUnknownFmt, plvdi->item.lParam);
 316             plvdi->item.pszText = buffer;
 317             break;
 318           }
 319         }
 320         break;
 321     case 2:
 322         plvdi->item.pszText = g_szValueNotSet;
 323         break;
 324     case 3:
 325         plvdi->item.pszText = emptyT;
 326         break;
 327     }
 328 }
 329
 330 static int CALLBACK CompareFunc(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort)
 331 {
 332     LINE_INFO*l, *r;
 333     l = (LINE_INFO*)lParam1;
 334     r = (LINE_INFO*)lParam2;
 335     if (!l->name) return -1;
 336     if (!r->name) return +1;
 337
 338     if (g_columnToSort == ~0U)
 339         g_columnToSort = 0;
 340
 341     if (g_columnToSort == 1 && l->dwValType != r->dwValType)
 342         return g_invertSort ? (int)r->dwValType - (int)l->dwValType : (int)l->dwValType - (int)r->dwValType;
 343     if (g_columnToSort == 2) {
 344         /* FIXME: Sort on value */
 345     }
 346     return g_invertSort ? lstrcmpiW(r->name, l->name) : lstrcmpiW(l->name, r->name);
 347 }
 348
 349 HWND StartValueRename(HWND hwndLV)
 350 {
 351     int item;
 352
 353     item = ListView_GetNextItem(hwndLV, -1, LVNI_FOCUSED | LVNI_SELECTED);
 354     if (item < 1) { /* cannot rename default key */
 355         MessageBeep(MB_ICONHAND);
 356         return 0;
 357     }
 358     return ListView_EditLabel(hwndLV, item);
 359 }
 360
 361 static BOOL _CmdWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 362 {
 363     switch (LOWORD(wParam)) {
 364         /*    case ID_FILE_OPEN: */
 365         /*        break; */
 366     default:
 367         return FALSE;
 368     }
 369     return TRUE;
 370 }
 371
 372 static LRESULT CALLBACK ListWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 373 {
 374     switch (message) {
 375     case WM_COMMAND:
 376         if (!_CmdWndProc(hWnd, message, wParam, lParam)) {
 377             return CallWindowProc(g_orgListWndProc, hWnd, message, wParam, lParam);
 378         }
 379         break;
 380     case WM_NOTIFY_REFLECT:
 381         switch (((LPNMHDR)lParam)->code) {
 382
 383         case LVN_BEGINLABELEDIT:
 384             if (!((NMLVDISPINFO *)lParam)->item.iItem)
 385                 return 1;
 386             return 0;
 387         case LVN_GETDISPINFO:
 388             OnGetDispInfo((NMLVDISPINFO*)lParam);
 389             break;
 390         case LVN_COLUMNCLICK:
 391             if (g_columnToSort == ((LPNMLISTVIEW)lParam)->iSubItem)
 392                 g_invertSort = !g_invertSort;
 393             else {
 394                 g_columnToSort = ((LPNMLISTVIEW)lParam)->iSubItem;
 395                 g_invertSort = FALSE;
 396             }
 397
 398             SendMessage(hWnd, LVM_SORTITEMS, (WPARAM)hWnd, (LPARAM)CompareFunc);
 399             break;
 400         case LVN_ENDLABELEDIT: {
 401                 LPNMLVDISPINFO dispInfo = (LPNMLVDISPINFO)lParam;
 402                 LPTSTR valueName = GetItemText(hWnd, dispInfo->item.iItem);
 403                 LONG ret;
 404                 if (!valueName) return -1; /* cannot rename a default value */
 405                 ret = RenameValue(hWnd, g_currentRootKey, g_currentPath, valueName, dispInfo->item.pszText);
 406                 if (ret)
 407                     RefreshListView(hWnd, g_currentRootKey, g_currentPath, dispInfo->item.pszText);
 408                 HeapFree(GetProcessHeap(), 0, valueName);
 409                 return 0;
 410             }
 411         case NM_RETURN: {
 412                 int cnt = ListView_GetNextItem(hWnd, -1, LVNI_FOCUSED | LVNI_SELECTED);
 413                 if (cnt != -1)
 414                     SendMessage(hFrameWnd, WM_COMMAND, ID_EDIT_MODIFY, 0);
 415             }
 416             break;
 417         case NM_DBLCLK: {
 418                 NMITEMACTIVATE* nmitem = (LPNMITEMACTIVATE)lParam;
 419                 LVHITTESTINFO info;
 420
 421                 /* if (nmitem->hdr.hwndFrom != hWnd) break; unnecessary because of WM_NOTIFY_REFLECT */
 422                 /*            if (nmitem->hdr.idFrom != IDW_LISTVIEW) break;  */
 423                 /*            if (nmitem->hdr.code != ???) break;  */
 424 #ifdef _MSC_VER
 425                 switch (nmitem->uKeyFlags) {
 426                 case LVKF_ALT:     /*  The ALT key is pressed.   */
 427                     /* properties dialog box ? */
 428                     break;
 429                 case LVKF_CONTROL: /*  The CTRL key is pressed. */
 430                     /* run dialog box for providing parameters... */
 431                     break;
 432                 case LVKF_SHIFT:   /*  The SHIFT key is pressed.    */
 433                     break;
 434                 }
 435 #endif
 436                 info.pt.x = nmitem->ptAction.x;
 437                 info.pt.y = nmitem->ptAction.y;
 438                 if (ListView_HitTest(hWnd, &info) != -1) {
 439                     ListView_SetItemState(hWnd, -1, 0, LVIS_FOCUSED|LVIS_SELECTED);
 440                     ListView_SetItemState(hWnd, info.iItem, LVIS_FOCUSED|LVIS_SELECTED,
 441                         LVIS_FOCUSED|LVIS_SELECTED);
 442                     SendMessage(hFrameWnd, WM_COMMAND, ID_EDIT_MODIFY, 0);
 443                 }
 444             }
 445             break;
 446
 447         default:
 448             return 0; /* shouldn't call default ! */
 449         }
 450         break;
 451     case WM_CONTEXTMENU: {
 452         int cnt = ListView_GetNextItem(hWnd, -1, LVNI_SELECTED);
 453         TrackPopupMenu(GetSubMenu(hPopupMenus, cnt == -1 ? PM_NEW : PM_MODIFYVALUE),
 454                        TPM_RIGHTBUTTON, (short)LOWORD(lParam), (short)HIWORD(lParam),
 455                        0, hFrameWnd, NULL);
 456         break;
 457     }
 458     default:
 459         return CallWindowProc(g_orgListWndProc, hWnd, message, wParam, lParam);
 460     }
 461     return 0;
 462 }
 463
 464
 465 HWND CreateListView(HWND hwndParent, UINT id)
 466 {
 467     RECT rcClient;
 468     HWND hwndLV;
 469
 470     /* prepare strings */
 471     LoadString(hInst, IDS_REGISTRY_VALUE_NOT_SET, g_szValueNotSet, COUNT_OF(g_szValueNotSet));
 472     LoadStringW(hInst, IDS_REGISTRY_VALUE_NOT_SET, g_szValueNotSetW, COUNT_OF(g_szValueNotSetW));
 473
 474     /* Get the dimensions of the parent window's client area, and create the list view control.  */
 475     GetClientRect(hwndParent, &rcClient);
 476     hwndLV = CreateWindowEx(WS_EX_CLIENTEDGE, WC_LISTVIEW, _T("List View"),
 477                             WS_VISIBLE | WS_CHILD | WS_TABSTOP | LVS_REPORT | LVS_EDITLABELS,
 478                             0, 0, rcClient.right, rcClient.bottom,
 479                             hwndParent, (HMENU)ULongToHandle(id), hInst, NULL);
 480     if (!hwndLV) return NULL;
 481     SendMessage(hwndLV, LVM_SETEXTENDEDLISTVIEWSTYLE, 0, LVS_EX_FULLROWSELECT);
 482
 483     /* Initialize the image list */
 484     if (!InitListViewImageList(hwndLV)) goto fail;
 485     if (!CreateListColumns(hwndLV)) goto fail;
 486     g_orgListWndProc = (WNDPROC) SetWindowLongPtr(hwndLV, GWLP_WNDPROC, (LPARAM)ListWndProc);
 487     return hwndLV;
 488 fail:
 489     DestroyWindow(hwndLV);
 490     return NULL;
 491 }
 492
 493 BOOL RefreshListView(HWND hwndLV, HKEY hKeyRoot, LPCTSTR keyPath, LPCTSTR highlightValue)
 494 {
 495     BOOL result = FALSE;
 496     DWORD max_sub_key_len;
 497     DWORD max_val_name_len, valNameLen;
 498     DWORD max_val_size, valSize;
 499     DWORD val_count, index, valType;
 500     WCHAR* valName = 0;
 501     BYTE* valBuf = 0;
 502     HKEY hKey = 0;
 503     LONG errCode;
 504     INT count, i;
 505     LVITEMW item;
 506     WCHAR* keyPathW;
 507     WCHAR* highlightValueW;
 508
 509     if (!hwndLV) return FALSE;
 510
 511     SendMessageW(hwndLV, WM_SETREDRAW, FALSE, 0);
 512
 513     keyPathW = GetWideString(keyPath);
 514     highlightValueW = GetWideString(highlightValue);
 515
 516     errCode = RegOpenKeyExW(hKeyRoot, keyPathW, 0, KEY_READ, &hKey);
 517     if (errCode != ERROR_SUCCESS) goto done;
 518
 519     count = ListView_GetItemCount(hwndLV);
 520     for (i = 0; i < count; i++) {
 521         item.mask = LVIF_PARAM;
 522         item.iItem = i;
 523         SendMessageW( hwndLV, LVM_GETITEM, 0, (LPARAM)&item );
 524         HeapFree(GetProcessHeap(), 0, ((LINE_INFO*)item.lParam)->name);
 525         HeapFree(GetProcessHeap(), 0, (void*)item.lParam);
 526     }
 527     g_columnToSort = ~0U;
 528     SendMessageW( hwndLV, LVM_DELETEALLITEMS, 0, 0L );
 529
 530     /* get size information and resize the buffers if necessary */
 531     errCode = RegQueryInfoKeyW(hKey, NULL, NULL, NULL, NULL, &max_sub_key_len, NULL,
 532                               &val_count, &max_val_name_len, &max_val_size, NULL, NULL);
 533     if (errCode != ERROR_SUCCESS) goto done;
 534
 535     /* account for the terminator char */
 536     max_val_name_len++;
 537     max_val_size++;
 538
 539     valName = HeapAlloc(GetProcessHeap(), 0, max_val_name_len * sizeof(WCHAR));
 540     valBuf = HeapAlloc(GetProcessHeap(), 0, max_val_size);
 541     if (RegQueryValueExW(hKey, NULL, NULL, &valType, valBuf, &valSize) == ERROR_FILE_NOT_FOUND) {
 542         AddEntryToList(hwndLV, NULL, REG_SZ, NULL, 0, !highlightValue);
 543     }
 544     for(index = 0; index < val_count; index++) {
 545         BOOL bSelected = (valName == highlightValueW); /* NOT a bug, we check for double NULL here */
 546         valNameLen = max_val_name_len;
 547         valSize = max_val_size;
 548         valType = 0;
 549         errCode = RegEnumValueW(hKey, index, valName, &valNameLen, NULL, &valType, valBuf, &valSize);
 550         if (errCode != ERROR_SUCCESS) goto done;
 551         valBuf[valSize] = 0;
 552         if (valName && highlightValueW && lstrcmpW(valName, highlightValueW))
 553             bSelected = TRUE;
 554         AddEntryToList(hwndLV, valName[0] ? valName : NULL, valType, valBuf, valSize, bSelected);
 555     }
 556     SendMessageW(hwndLV, LVM_SORTITEMS, (WPARAM)hwndLV, (LPARAM)CompareFunc);
 557
 558     g_currentRootKey = hKeyRoot;
 559     if (keyPath != g_currentPath) {
 560         HeapFree(GetProcessHeap(), 0, g_currentPath);
 561         g_currentPath = HeapAlloc(GetProcessHeap(), 0, (lstrlen(keyPath) + 1) * sizeof(TCHAR));
 562         if (!g_currentPath) goto done;
 563         lstrcpy(g_currentPath, keyPath);
 564     }
 565
 566     result = TRUE;
 567
 568 done:
 569     HeapFree(GetProcessHeap(), 0, valBuf);
 570     HeapFree(GetProcessHeap(), 0, valName);
 571     HeapFree(GetProcessHeap(), 0, keyPathW);
 572     HeapFree(GetProcessHeap(), 0, highlightValueW);
 573     SendMessageW(hwndLV, WM_SETREDRAW, TRUE, 0);
 574     if (hKey) RegCloseKey(hKey);
 575
 576     return result;
 577 }