base/applications/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 Street, Fifth Floor, Boston, MA  02110-1301  USA
  19  */
  20
  21 #include "regedit.h"
  22
  23 #define CX_ICON            16
  24 #define CY_ICON            16
  25 #define LISTVIEW_NUM_ICONS 2
  26
  27 int Image_String = 0;
  28 int Image_Bin = 0;
  29 INT iListViewSelect = -1;
  30
  31 typedef struct tagLINE_INFO
  32 {
  33     DWORD dwValType;
  34     LPWSTR name;
  35     void* val;
  36     size_t val_len;
  37 } LINE_INFO, *PLINE_INFO;
  38
  39 typedef struct tagSORT_INFO
  40 {
  41     INT  iSortingColumn;
  42     BOOL bSortAscending;
  43 } SORT_INFO, *PSORT_INFO;
  44
  45 /*******************************************************************************
  46  * Global and Local Variables:
  47  */
  48
  49 static INT g_iSortedColumn = 0;
  50
  51 #define MAX_LIST_COLUMNS (IDS_LIST_COLUMN_LAST - IDS_LIST_COLUMN_FIRST + 1)
  52 static const int default_column_widths[MAX_LIST_COLUMNS] = { 35, 25, 40 };  /* in percents */
  53 static const int column_alignment[MAX_LIST_COLUMNS] = { LVCFMT_LEFT, LVCFMT_LEFT, LVCFMT_LEFT };
  54
  55 WCHAR *GetValueName(HWND hwndLV, int iStartAt)
  56 {
  57     int item;
  58     LVITEMW LVItem;
  59     PLINE_INFO lineinfo;
  60
  61     /*
  62        if a new item is inserted, then no allocation,
  63        otherwise the heap block will be lost!
  64     */
  65     item = ListView_GetNextItem(hwndLV, iStartAt, LVNI_SELECTED);
  66     if (item == -1) return NULL;
  67
  68     /*
  69         Should be always TRUE anyways
  70     */
  71     LVItem.iItem = item;
  72     LVItem.iSubItem = 0;
  73     LVItem.mask = LVIF_PARAM;
  74     if (ListView_GetItem(hwndLV, &LVItem) == FALSE)
  75         return NULL;
  76
  77     lineinfo = (PLINE_INFO)LVItem.lParam;
  78     if (lineinfo == NULL)
  79         return NULL;
  80
  81     return lineinfo->name;
  82 }
  83
  84 VOID SetValueName(HWND hwndLV, LPCWSTR pszValueName)
  85 {
  86     INT i, c;
  87     LVFINDINFOW fi;
  88
  89     c = ListView_GetItemCount(hwndLV);
  90     for(i = 0; i < c; i++)
  91     {
  92         ListView_SetItemState(hwndLV, i, 0, LVIS_FOCUSED | LVIS_SELECTED);
  93     }
  94     if (pszValueName == NULL || pszValueName[0] == 0)
  95         i = 0;
  96     else
  97     {
  98         fi.flags    = LVFI_STRING;
  99         fi.psz      = pszValueName;
 100         i = ListView_FindItem(hwndLV, -1, &fi);
 101     }
 102     ListView_SetItemState(hwndLV, i, LVIS_FOCUSED | LVIS_SELECTED,
 103                           LVIS_FOCUSED | LVIS_SELECTED);
 104     ListView_EnsureVisible(hwndLV, i, FALSE);
 105     iListViewSelect = i;
 106 }
 107
 108 BOOL IsDefaultValue(HWND hwndLV, int i)
 109 {
 110     PLINE_INFO lineinfo;
 111     LVITEMW Item;
 112
 113     Item.mask = LVIF_PARAM;
 114     Item.iItem = i;
 115     if(ListView_GetItem(hwndLV, &Item))
 116     {
 117         lineinfo = (PLINE_INFO)Item.lParam;
 118         return lineinfo && (!lineinfo->name || !wcscmp(lineinfo->name, L""));
 119     }
 120     return FALSE;
 121 }
 122
 123 /*******************************************************************************
 124  * Local module support methods
 125  */
 126 static void AddEntryToList(HWND hwndLV, LPWSTR Name, DWORD dwValType, void* ValBuf, DWORD dwCount, int Position, BOOL ValExists)
 127 {
 128     PLINE_INFO linfo;
 129     LVITEMW item;
 130     int index;
 131
 132     linfo = (PLINE_INFO)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LINE_INFO) + dwCount);
 133     linfo->dwValType = dwValType;
 134     linfo->val_len = dwCount;
 135     if (dwCount > 0)
 136     {
 137         memcpy(&linfo[1], ValBuf, dwCount);
 138         linfo->val = &linfo[1];
 139     }
 140     linfo->name = _wcsdup(Name);
 141
 142     item.mask = LVIF_TEXT | LVIF_PARAM | LVIF_IMAGE;
 143     item.iItem = (Position == -1 ? 0: Position);
 144     item.iSubItem = 0;
 145     item.state = 0;
 146     item.stateMask = 0;
 147     item.pszText = Name;
 148     item.cchTextMax = (int)wcslen(item.pszText);
 149     if (item.cchTextMax == 0)
 150         item.pszText = LPSTR_TEXTCALLBACK;
 151     item.iImage = 0;
 152     item.lParam = (LPARAM)linfo;
 153     switch(dwValType)
 154     {
 155         case REG_SZ:
 156         case REG_EXPAND_SZ:
 157         case REG_MULTI_SZ:
 158             item.iImage = Image_String;
 159             break;
 160         default:
 161             item.iImage = Image_Bin;
 162             break;
 163     }
 164
 165     /*    item.lParam = (LPARAM)ValBuf; */
 166 #if (_WIN32_IE >= 0x0300)
 167     item.iIndent = 0;
 168 #endif
 169
 170     index = ListView_InsertItem(hwndLV, &item);
 171     if (index != -1)
 172     {
 173         switch (dwValType)
 174         {
 175         case REG_SZ:
 176         case REG_EXPAND_SZ:
 177             if(dwCount > 0)
 178             {
 179                 ListView_SetItemText(hwndLV, index, 2, ValBuf);
 180             }
 181             else if(!ValExists)
 182             {
 183                 WCHAR buffer[255];
 184                 /* load (value not set) string */
 185                 LoadStringW(hInst, IDS_VALUE_NOT_SET, buffer, ARRAY_SIZE(buffer));
 186                 ListView_SetItemText(hwndLV, index, 2, buffer);
 187             }
 188             break;
 189         case REG_MULTI_SZ:
 190         {
 191             LPWSTR src, str;
 192             if(dwCount >= 2)
 193             {
 194                 src = (LPWSTR)ValBuf;
 195                 str = HeapAlloc(GetProcessHeap(), 0, dwCount + sizeof(WCHAR));
 196                 if(str != NULL)
 197                 {
 198                     *str = L'\0';
 199                     /* concatenate all srings */
 200                     while(*src != L'\0')
 201                     {
 202                         wcscat(str, src);
 203                         wcscat(str, L" ");
 204                         src += wcslen(src) + 1;
 205                     }
 206                     ListView_SetItemText(hwndLV, index, 2, str);
 207                     HeapFree(GetProcessHeap(), 0, str);
 208                 }
 209                 else
 210                     ListView_SetItemText(hwndLV, index, 2, L"");
 211             }
 212             else
 213                 ListView_SetItemText(hwndLV, index, 2, L"");
 214         }
 215         break;
 216         case REG_DWORD:
 217         case REG_NONE:
 218         {
 219             WCHAR buf[200];
 220             if(dwCount == sizeof(DWORD))
 221             {
 222                 wsprintf(buf, L"0x%08x (%u)", *(DWORD*)ValBuf, *(DWORD*)ValBuf);
 223             }
 224             else
 225             {
 226                 LoadStringW(hInst, IDS_INVALID_DWORD, buf, ARRAY_SIZE(buf));
 227             }
 228             ListView_SetItemText(hwndLV, index, 2, buf);
 229         }
 230         /*            lpsRes = convertHexToDWORDStr(lpbData, dwLen); */
 231         break;
 232         default:
 233         {
 234             unsigned int i;
 235             LPBYTE pData = (LPBYTE)ValBuf;
 236             LPWSTR strBinary;
 237             if(dwCount > 0)
 238             {
 239                 strBinary = HeapAlloc(GetProcessHeap(), 0, (dwCount * sizeof(WCHAR) * 3) + sizeof(WCHAR));
 240                 for (i = 0; i < dwCount; i++)
 241                 {
 242                     wsprintf( strBinary + i*3, L"%02X ", pData[i] );
 243                 }
 244                 strBinary[dwCount * 3] = 0;
 245                 ListView_SetItemText(hwndLV, index, 2, strBinary);
 246                 HeapFree(GetProcessHeap(), 0, strBinary);
 247             }
 248             else
 249             {
 250                 WCHAR szText[128];
 251                 LoadStringW(hInst, IDS_BINARY_EMPTY, szText, ARRAY_SIZE(szText));
 252                 ListView_SetItemText(hwndLV, index, 2, szText);
 253             }
 254         }
 255         break;
 256         }
 257     }
 258 }
 259
 260 static BOOL CreateListColumns(HWND hWndListView, INT cxTotal)
 261 {
 262     WCHAR szText[50];
 263     int index;
 264     LVCOLUMN lvC;
 265
 266     /* Create columns. */
 267     lvC.mask = LVCF_FMT | LVCF_WIDTH | LVCF_TEXT | LVCF_SUBITEM;
 268     lvC.pszText = szText;
 269
 270     /* Load the column labels from the resource file. */
 271     for (index = 0; index < MAX_LIST_COLUMNS; index++)
 272     {
 273         lvC.iSubItem = index;
 274         lvC.cx = (cxTotal * default_column_widths[index]) / 100;
 275         lvC.fmt = column_alignment[index];
 276         LoadStringW(hInst, IDS_LIST_COLUMN_FIRST + index, szText, ARRAY_SIZE(szText));
 277         if (ListView_InsertColumn(hWndListView, index, &lvC) == -1) return FALSE;
 278     }
 279     return TRUE;
 280 }
 281
 282 static BOOL InitListViewImageLists(HWND hwndLV)
 283 {
 284     HIMAGELIST himl;  /* handle to image list  */
 285     HICON hico;       /* handle to icon  */
 286
 287     /* Create the image list.  */
 288     if ((himl = ImageList_Create(CX_ICON, CY_ICON,
 289                                  ILC_MASK, 0, LISTVIEW_NUM_ICONS)) == NULL)
 290     {
 291         return FALSE;
 292     }
 293
 294     hico = LoadIconW(hInst, MAKEINTRESOURCEW(IDI_BIN));
 295     Image_Bin = ImageList_AddIcon(himl, hico);
 296
 297     hico = LoadIconW(hInst, MAKEINTRESOURCEW(IDI_STRING));
 298     Image_String = ImageList_AddIcon(himl, hico);
 299
 300     /* Fail if not all of the images were added.  */
 301     if (ImageList_GetImageCount(himl) < LISTVIEW_NUM_ICONS)
 302     {
 303         return FALSE;
 304     }
 305
 306     /* Associate the image list with the tree view control.  */
 307     (void)ListView_SetImageList(hwndLV, himl, LVSIL_SMALL);
 308
 309     return TRUE;
 310 }
 311
 312 /* OnGetDispInfo - processes the LVN_GETDISPINFO notification message.  */
 313
 314 static void OnGetDispInfo(NMLVDISPINFO* plvdi)
 315 {
 316     static WCHAR buffer[200];
 317
 318     plvdi->item.pszText = NULL;
 319     plvdi->item.cchTextMax = 0;
 320
 321     switch (plvdi->item.iSubItem)
 322     {
 323     case 0:
 324         LoadStringW(hInst, IDS_DEFAULT_VALUE_NAME, buffer, ARRAY_SIZE(buffer));
 325         plvdi->item.pszText = buffer;
 326         break;
 327     case 1:
 328         switch (((LINE_INFO*)plvdi->item.lParam)->dwValType)
 329         {
 330             case REG_NONE:
 331                 plvdi->item.pszText = L"REG_NONE";
 332                 break;
 333             case REG_SZ:
 334                 plvdi->item.pszText = L"REG_SZ";
 335                 break;
 336             case REG_EXPAND_SZ:
 337                 plvdi->item.pszText = L"REG_EXPAND_SZ";
 338                 break;
 339             case REG_BINARY:
 340                 plvdi->item.pszText = L"REG_BINARY";
 341                 break;
 342             case REG_DWORD: /* REG_DWORD_LITTLE_ENDIAN */
 343                 plvdi->item.pszText = L"REG_DWORD";
 344                 break;
 345             case REG_DWORD_BIG_ENDIAN:
 346                 plvdi->item.pszText = L"REG_DWORD_BIG_ENDIAN";
 347                 break;
 348             case REG_LINK:
 349                 plvdi->item.pszText = L"REG_LINK";
 350                 break;
 351             case REG_MULTI_SZ:
 352                 plvdi->item.pszText = L"REG_MULTI_SZ";
 353                 break;
 354             case REG_RESOURCE_LIST:
 355                 plvdi->item.pszText = L"REG_RESOURCE_LIST";
 356                 break;
 357             case REG_FULL_RESOURCE_DESCRIPTOR:
 358                 plvdi->item.pszText = L"REG_FULL_RESOURCE_DESCRIPTOR";
 359                 break;
 360             case REG_RESOURCE_REQUIREMENTS_LIST:
 361                 plvdi->item.pszText = L"REG_RESOURCE_REQUIREMENTS_LIST";
 362                 break;
 363             case REG_QWORD: /* REG_QWORD_LITTLE_ENDIAN */
 364                 plvdi->item.pszText = L"REG_QWORD";
 365                 break;
 366             default:
 367             {
 368                 WCHAR buf2[200];
 369                 LoadStringW(hInst, IDS_UNKNOWN_TYPE, buf2, ARRAY_SIZE(buf2));
 370                 wsprintf(buffer, buf2, ((LINE_INFO*)plvdi->item.lParam)->dwValType);
 371                 plvdi->item.pszText = buffer;
 372                 break;
 373             }
 374         }
 375         break;
 376     case 3:
 377         plvdi->item.pszText = L"";
 378         break;
 379     }
 380 }
 381
 382 static int CALLBACK CompareFunc(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort)
 383 {
 384     PSORT_INFO pSortInfo = (PSORT_INFO)lParamSort;
 385     LINE_INFO *l, *r;
 386     DWORD dw1, dw2;
 387     DWORDLONG qw1, qw2;
 388
 389     l = (LINE_INFO*)lParam1;
 390     r = (LINE_INFO*)lParam2;
 391
 392     if (pSortInfo->iSortingColumn == 1 && l->dwValType != r->dwValType)
 393     {
 394         /* Sort by type */
 395         if (pSortInfo->bSortAscending)
 396             return ((int)l->dwValType - (int)r->dwValType);
 397         else
 398             return ((int)r->dwValType - (int)l->dwValType);
 399     }
 400     if (pSortInfo->iSortingColumn == 2)
 401     {
 402         /* Sort by value */
 403         if (l->dwValType != r->dwValType)
 404         {
 405             if (pSortInfo->bSortAscending)
 406                 return ((int)l->dwValType - (int)r->dwValType);
 407             else
 408                 return ((int)r->dwValType - (int)l->dwValType);
 409         }
 410
 411         if (l->val == NULL && r->val == NULL)
 412             return 0;
 413
 414         if (pSortInfo->bSortAscending)
 415         {
 416             if (l->val == NULL)
 417                 return -1;
 418             if (r->val == NULL)
 419                 return 1;
 420         }
 421         else
 422         {
 423             if (l->val == NULL)
 424                 return 1;
 425             if (r->val == NULL)
 426                 return -1;
 427         }
 428
 429         switch(l->dwValType)
 430         {
 431             case REG_DWORD:
 432             {
 433                 dw1 = *(DWORD*)l->val;
 434                 dw2 = *(DWORD*)r->val;
 435                 if (pSortInfo->bSortAscending)
 436                     // return (dw1 > dw2 ? 1 : -1);
 437                     return ((int)dw1 - (int)dw2);
 438                 else
 439                     // return (dw1 > dw2 ? -1 : 1);
 440                     return ((int)dw2 - (int)dw1);
 441             }
 442
 443             case REG_QWORD: /* REG_QWORD_LITTLE_ENDIAN */
 444             {
 445                 qw1 = *(DWORDLONG*)l->val;
 446                 qw2 = *(DWORDLONG*)r->val;
 447                 if (pSortInfo->bSortAscending)
 448                     // return (qw1 > qw2 ? 1 : -1);
 449                     return ((int)qw1 - (int)qw2);
 450                 else
 451                     // return (qw1 > qw2 ? -1 : 1);
 452                     return ((int)qw2 - (int)qw1);
 453             }
 454
 455             default:
 456             {
 457                 INT nCompare = 0;
 458
 459                 if (pSortInfo->bSortAscending)
 460                 {
 461                     nCompare = memcmp(l->val, r->val, min(l->val_len, r->val_len));
 462                     if (nCompare == 0)
 463                         nCompare = l->val_len - r->val_len;
 464                 }
 465                 else
 466                 {
 467                     nCompare = memcmp(r->val, l->val, min(r->val_len, l->val_len));
 468                     if (nCompare == 0)
 469                         nCompare = r->val_len - l->val_len;
 470                 }
 471
 472                 return nCompare;
 473             }
 474         }
 475     }
 476
 477     /* Sort by name */
 478     return (pSortInfo->bSortAscending ? StrCmpLogicalW(l->name, r->name) : StrCmpLogicalW(r->name, l->name));
 479 }
 480
 481 static BOOL ListView_Sort(HWND hListView, int iSortingColumn, int iSortedColumn)
 482 {
 483     if (!(GetWindowLongPtr(hListView, GWL_STYLE) & LVS_NOSORTHEADER) &&
 484          (iSortingColumn >= 0) )
 485     {
 486         BOOL bSortAscending;
 487         SORT_INFO SortInfo;
 488
 489         HWND hHeader = ListView_GetHeader(hListView);
 490         HDITEM hColumn = {0};
 491
 492         /* If we are sorting according to another column, uninitialize the old one */
 493         if ( (iSortedColumn >= 0) && (iSortingColumn != iSortedColumn) )
 494         {
 495             hColumn.mask = HDI_FORMAT;
 496             Header_GetItem(hHeader, iSortedColumn, &hColumn);
 497             hColumn.fmt &= ~(HDF_SORTUP | HDF_SORTDOWN);
 498             Header_SetItem(hHeader, iSortedColumn, &hColumn);
 499         }
 500
 501         /* Get the sorting state of the new column */
 502         hColumn.mask = HDI_FORMAT;
 503         Header_GetItem(hHeader, iSortingColumn, &hColumn);
 504
 505         /*
 506          * Check whether we are sorting the list because the user clicked
 507          * on a column, or because we are refreshing the list:
 508          *
 509          * iSortedColumn >= 0 - User clicked on a column; holds the
 510          *                      old sorting column index.
 511          * iSortedColumn  < 0 - List being refreshed.
 512          */
 513         if (iSortedColumn >= 0)
 514         {
 515             /* Invert the sorting direction */
 516             bSortAscending = ((hColumn.fmt & HDF_SORTUP) == 0);
 517         }
 518         else
 519         {
 520             /*
 521              * If the sorting state of the column is uninitialized,
 522              * initialize it by default to ascending sorting.
 523              */
 524             if ((hColumn.fmt & (HDF_SORTUP | HDF_SORTDOWN)) == 0)
 525                 hColumn.fmt |= HDF_SORTUP;
 526
 527             /* Keep the same sorting direction */
 528             bSortAscending = ((hColumn.fmt & HDF_SORTUP) != 0);
 529         }
 530
 531         /* Set the new column sorting state */
 532         hColumn.fmt &= ~(bSortAscending ? HDF_SORTDOWN : HDF_SORTUP  );
 533         hColumn.fmt |=  (bSortAscending ? HDF_SORTUP   : HDF_SORTDOWN);
 534         Header_SetItem(hHeader, iSortingColumn, &hColumn);
 535
 536         /* Sort the list */
 537         SortInfo.iSortingColumn = iSortingColumn;
 538         SortInfo.bSortAscending = bSortAscending;
 539         return ListView_SortItems(hListView, CompareFunc, (LPARAM)&SortInfo);
 540     }
 541     else
 542         return TRUE;
 543 }
 544
 545 BOOL ListWndNotifyProc(HWND hWnd, WPARAM wParam, LPARAM lParam, BOOL *Result)
 546 {
 547     NMLVDISPINFO* Info;
 548     int iSortingColumn;
 549     UNREFERENCED_PARAMETER(wParam);
 550     *Result = TRUE;
 551     switch (((LPNMHDR)lParam)->code)
 552     {
 553     case LVN_GETDISPINFO:
 554         OnGetDispInfo((NMLVDISPINFO*)lParam);
 555         return TRUE;
 556     case LVN_COLUMNCLICK:
 557         iSortingColumn = ((LPNMLISTVIEW)lParam)->iSubItem;
 558         (void)ListView_Sort(hWnd, iSortingColumn, g_iSortedColumn);
 559         g_iSortedColumn = iSortingColumn;
 560         return TRUE;
 561     case NM_DBLCLK:
 562     case NM_RETURN:
 563     {
 564         SendMessageW(hFrameWnd, WM_COMMAND, MAKEWPARAM(ID_EDIT_MODIFY, 0), 0);
 565     }
 566     return TRUE;
 567     case NM_SETFOCUS:
 568         g_pChildWnd->nFocusPanel = 1;
 569         break;
 570     case LVN_BEGINLABELEDIT:
 571         Info = (NMLVDISPINFO*)lParam;
 572         if(Info)
 573         {
 574             PLINE_INFO lineinfo = (PLINE_INFO)Info->item.lParam;
 575             if(!lineinfo->name || !wcscmp(lineinfo->name, L""))
 576             {
 577                 *Result = TRUE;
 578             }
 579             else
 580             {
 581                 *Result = FALSE;
 582             }
 583         }
 584         else
 585             *Result = TRUE;
 586         return TRUE;
 587     case LVN_ENDLABELEDIT:
 588         Info = (NMLVDISPINFO*)lParam;
 589         if(Info && Info->item.pszText)
 590         {
 591             PLINE_INFO lineinfo = (PLINE_INFO)Info->item.lParam;
 592             if(!lineinfo->name || !wcscmp(lineinfo->name, L""))
 593             {
 594                 *Result = FALSE;
 595             }
 596             else
 597             {
 598                 if(wcslen(Info->item.pszText) == 0)
 599                 {
 600                     WCHAR msg[128], caption[128];
 601
 602                     LoadStringW(hInst, IDS_ERR_RENVAL_TOEMPTY, msg, ARRAY_SIZE(msg));
 603                     LoadStringW(hInst, IDS_ERR_RENVAL_CAPTION, caption, ARRAY_SIZE(caption));
 604                     MessageBoxW(0, msg, caption, 0);
 605                     *Result = TRUE;
 606                 }
 607                 else
 608                 {
 609                     HKEY hKeyRoot;
 610                     LPCWSTR keyPath;
 611                     LONG lResult;
 612
 613                     keyPath = GetItemPath(g_pChildWnd->hTreeWnd, 0, &hKeyRoot);
 614                     lResult = RenameValue(hKeyRoot, keyPath, Info->item.pszText, lineinfo->name);
 615                     lineinfo->name = realloc(lineinfo->name, (wcslen(Info->item.pszText)+1)*sizeof(WCHAR));
 616                     if (lineinfo->name != NULL)
 617                         wcscpy(lineinfo->name, Info->item.pszText);
 618
 619                     *Result = TRUE;
 620                     return (lResult == ERROR_SUCCESS);
 621                 }
 622             }
 623         }
 624         else
 625             *Result = TRUE;
 626
 627         return TRUE;
 628     }
 629     return FALSE;
 630 }
 631
 632 HWND CreateListView(HWND hwndParent, HMENU id, INT cx)
 633 {
 634     RECT rcClient;
 635     HWND hwndLV;
 636
 637     /* Get the dimensions of the parent window's client area, and create the list view control. */
 638     GetClientRect(hwndParent, &rcClient);
 639     hwndLV = CreateWindowExW(WS_EX_CLIENTEDGE, WC_LISTVIEW, L"List View",
 640                              WS_VISIBLE | WS_CHILD | WS_TABSTOP | LVS_REPORT | LVS_EDITLABELS | LVS_SHOWSELALWAYS,
 641                              0, 0, rcClient.right, rcClient.bottom,
 642                              hwndParent, id, hInst, NULL);
 643     if (!hwndLV) return NULL;
 644
 645     /* Initialize the image list, and add items to the control. */
 646     if (!CreateListColumns(hwndLV, cx)) goto fail;
 647     if (!InitListViewImageLists(hwndLV)) goto fail;
 648
 649     return hwndLV;
 650 fail:
 651     DestroyWindow(hwndLV);
 652     return NULL;
 653 }
 654
 655 void DestroyListView(HWND hwndLV)
 656 {
 657     INT count, i;
 658     LVITEMW item;
 659
 660     count = ListView_GetItemCount(hwndLV);
 661     for (i = 0; i < count; i++)
 662     {
 663         item.mask = LVIF_PARAM;
 664         item.iItem = i;
 665         (void)ListView_GetItem(hwndLV, &item);
 666         free(((LINE_INFO*)item.lParam)->name);
 667         HeapFree(GetProcessHeap(), 0, (void*)item.lParam);
 668     }
 669
 670 }
 671
 672 BOOL RefreshListView(HWND hwndLV, HKEY hKey, LPCWSTR keyPath, BOOL bSelectNone)
 673 {
 674     DWORD max_sub_key_len;
 675     DWORD max_val_name_len;
 676     DWORD max_val_size;
 677     DWORD val_count;
 678     HKEY hNewKey;
 679     LONG errCode;
 680     INT i, c;
 681     BOOL AddedDefault = FALSE;
 682
 683     if (!hwndLV) return FALSE;
 684
 685     (void)ListView_EditLabel(hwndLV, -1);
 686
 687     SendMessageW(hwndLV, WM_SETREDRAW, FALSE, 0);
 688     DestroyListView(hwndLV);
 689
 690     (void)ListView_DeleteAllItems(hwndLV);
 691
 692     if(!hKey) return FALSE;
 693
 694     errCode = RegOpenKeyExW(hKey, keyPath, 0, KEY_READ, &hNewKey);
 695     if (errCode != ERROR_SUCCESS) return FALSE;
 696
 697     /* get size information and resize the buffers if necessary */
 698     errCode = RegQueryInfoKeyW(hNewKey, NULL, NULL, NULL, NULL, &max_sub_key_len, NULL,
 699                                &val_count, &max_val_name_len, &max_val_size, NULL, NULL);
 700
 701     if (errCode == ERROR_SUCCESS)
 702     {
 703         WCHAR* ValName = HeapAlloc(GetProcessHeap(), 0, ++max_val_name_len * sizeof(WCHAR));
 704         DWORD dwValNameLen = max_val_name_len;
 705         BYTE* ValBuf = HeapAlloc(GetProcessHeap(), 0, max_val_size + sizeof(WCHAR));
 706         DWORD dwValSize = max_val_size;
 707         DWORD dwIndex = 0L;
 708         DWORD dwValType;
 709         /*                if (RegQueryValueExW(hNewKey, NULL, NULL, &dwValType, ValBuf, &dwValSize) == ERROR_SUCCESS) { */
 710         /*                    AddEntryToList(hwndLV, L"(Default)", dwValType, ValBuf, dwValSize); */
 711         /*                } */
 712         /*                dwValSize = max_val_size; */
 713         while (RegEnumValueW(hNewKey, dwIndex, ValName, &dwValNameLen, NULL, &dwValType, ValBuf, &dwValSize) == ERROR_SUCCESS)
 714         {
 715             /* Add a terminating 0 character. Usually this is only necessary for strings. */
 716             ValBuf[dwValSize] = ValBuf[dwValSize + 1] = 0;
 717
 718             AddEntryToList(hwndLV, ValName, dwValType, ValBuf, dwValSize, -1, TRUE);
 719             dwValNameLen = max_val_name_len;
 720             dwValSize = max_val_size;
 721             dwValType = 0L;
 722             ++dwIndex;
 723             if(!wcscmp(ValName, L""))
 724             {
 725                 AddedDefault = TRUE;
 726             }
 727         }
 728         HeapFree(GetProcessHeap(), 0, ValBuf);
 729         HeapFree(GetProcessHeap(), 0, ValName);
 730     }
 731     RegCloseKey(hNewKey);
 732
 733     if(!AddedDefault)
 734     {
 735         AddEntryToList(hwndLV, L"", REG_SZ, NULL, 0, 0, FALSE);
 736     }
 737     c = ListView_GetItemCount(hwndLV);
 738     for(i = 0; i < c; i++)
 739     {
 740         ListView_SetItemState(hwndLV, i, 0, LVIS_FOCUSED | LVIS_SELECTED);
 741     }
 742
 743     if (bSelectNone)
 744         iListViewSelect = -1;
 745     ListView_SetItemState(hwndLV, iListViewSelect,
 746                           LVIS_FOCUSED | LVIS_SELECTED,
 747                           LVIS_FOCUSED | LVIS_SELECTED);
 748     (void)ListView_Sort(hwndLV, g_iSortedColumn, -1);
 749     SendMessageW(hwndLV, WM_SETREDRAW, TRUE, 0);
 750
 751     return TRUE;
 752 }