base/applications/regedit/childwnd.c

   1 /*
   2  * Regedit child window
   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 ChildWnd* g_pChildWnd;
  24 static int last_split;
  25 HBITMAP SizingPattern = 0;
  26 HBRUSH  SizingBrush = 0;
  27 static WCHAR Suggestions[256];
  28
  29 extern LPCWSTR get_root_key_name(HKEY hRootKey)
  30 {
  31     if (hRootKey == HKEY_CLASSES_ROOT) return L"HKEY_CLASSES_ROOT";
  32     if (hRootKey == HKEY_CURRENT_USER) return L"HKEY_CURRENT_USER";
  33     if (hRootKey == HKEY_LOCAL_MACHINE) return L"HKEY_LOCAL_MACHINE";
  34     if (hRootKey == HKEY_USERS) return L"HKEY_USERS";
  35     if (hRootKey == HKEY_CURRENT_CONFIG) return L"HKEY_CURRENT_CONFIG";
  36     if (hRootKey == HKEY_DYN_DATA) return L"HKEY_DYN_DATA";
  37
  38     return L"UNKNOWN HKEY, PLEASE REPORT";
  39 }
  40
  41 extern void ResizeWnd(int cx, int cy)
  42 {
  43     HDWP hdwp = BeginDeferWindowPos(4);
  44     RECT rt, rs, rb;
  45     const int nButtonWidth = 44;
  46     const int nButtonHeight = 22;
  47     int cyEdge = GetSystemMetrics(SM_CYEDGE);
  48     const UINT uFlags = SWP_NOZORDER | SWP_NOACTIVATE;
  49     SetRect(&rt, 0, 0, cx, cy);
  50     cy = 0;
  51     if (hStatusBar != NULL)
  52     {
  53         GetWindowRect(hStatusBar, &rs);
  54         cy = rs.bottom - rs.top;
  55     }
  56     GetWindowRect(g_pChildWnd->hAddressBtnWnd, &rb);
  57     cx = g_pChildWnd->nSplitPos + SPLIT_WIDTH / 2;
  58     if (hdwp)
  59         hdwp = DeferWindowPos(hdwp, g_pChildWnd->hAddressBarWnd, NULL,
  60                               rt.left, rt.top,
  61                               rt.right - rt.left - nButtonWidth, nButtonHeight,
  62                               uFlags);
  63     if (hdwp)
  64         hdwp = DeferWindowPos(hdwp, g_pChildWnd->hAddressBtnWnd, NULL,
  65                               rt.right - nButtonWidth, rt.top,
  66                               nButtonWidth, nButtonHeight,
  67                               uFlags);
  68     if (hdwp)
  69         hdwp = DeferWindowPos(hdwp, g_pChildWnd->hTreeWnd, NULL,
  70                               rt.left,
  71                               rt.top + nButtonHeight + cyEdge,
  72                               g_pChildWnd->nSplitPos - SPLIT_WIDTH/2 - rt.left,
  73                               rt.bottom - rt.top - cy - 2 * cyEdge,
  74                               uFlags);
  75     if (hdwp)
  76         hdwp = DeferWindowPos(hdwp, g_pChildWnd->hListWnd, NULL,
  77                               rt.left + cx,
  78                               rt.top + nButtonHeight + cyEdge,
  79                               rt.right - cx,
  80                               rt.bottom - rt.top - cy - 2 * cyEdge,
  81                               uFlags);
  82     if (hdwp)
  83         EndDeferWindowPos(hdwp);
  84 }
  85
  86 /*******************************************************************************
  87  * Local module support methods
  88  */
  89
  90 static void draw_splitbar(HWND hWnd, int x)
  91 {
  92     RECT rt;
  93     HGDIOBJ OldObj;
  94     HDC hdc = GetDC(hWnd);
  95
  96     if(!SizingPattern)
  97     {
  98         const DWORD Pattern[4] = {0x5555AAAA, 0x5555AAAA, 0x5555AAAA, 0x5555AAAA};
  99         SizingPattern = CreateBitmap(8, 8, 1, 1, Pattern);
 100     }
 101     if(!SizingBrush)
 102     {
 103         SizingBrush = CreatePatternBrush(SizingPattern);
 104     }
 105     GetClientRect(hWnd, &rt);
 106     rt.left = x - SPLIT_WIDTH/2;
 107     rt.right = x + SPLIT_WIDTH/2+1;
 108     OldObj = SelectObject(hdc, SizingBrush);
 109     PatBlt(hdc, rt.left, rt.top, rt.right - rt.left, rt.bottom - rt.top, PATINVERT);
 110     SelectObject(hdc, OldObj);
 111     ReleaseDC(hWnd, hdc);
 112 }
 113
 114 /*******************************************************************************
 115  * finish_splitbar [internal]
 116  *
 117  * make the splitbar invisible and resize the windows
 118  * (helper for ChildWndProc)
 119  */
 120 static void finish_splitbar(HWND hWnd, int x)
 121 {
 122     RECT rt;
 123
 124     draw_splitbar(hWnd, last_split);
 125     last_split = -1;
 126     GetClientRect(hWnd, &rt);
 127     g_pChildWnd->nSplitPos = x;
 128     ResizeWnd(rt.right, rt.bottom);
 129     ReleaseCapture();
 130 }
 131
 132 /*******************************************************************************
 133  *
 134  *  FUNCTION: ChildWnd_CmdWndProc(HWND, unsigned, WORD, LONG)
 135  *
 136  *  PURPOSE:  Processes WM_COMMAND messages for the main frame window.
 137  *
 138  */
 139
 140 static BOOL ChildWnd_CmdWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 141 {
 142     HTREEITEM hSelection;
 143     HKEY hRootKey;
 144     LPCWSTR keyPath, s;
 145     WORD wID = LOWORD(wParam);
 146
 147     UNREFERENCED_PARAMETER(message);
 148
 149     switch (wID)
 150     {
 151         /* Parse the menu selections: */
 152     case ID_REGISTRY_EXIT:
 153         DestroyWindow(hWnd);
 154         break;
 155     case ID_VIEW_REFRESH:
 156         /* TODO */
 157         break;
 158     case ID_TREE_EXPANDBRANCH:
 159         TreeView_Expand(g_pChildWnd->hTreeWnd, TreeView_GetSelection(g_pChildWnd->hTreeWnd), TVE_EXPAND);
 160         break;
 161     case ID_TREE_COLLAPSEBRANCH:
 162         TreeView_Expand(g_pChildWnd->hTreeWnd, TreeView_GetSelection(g_pChildWnd->hTreeWnd), TVE_COLLAPSE);
 163         break;
 164     case ID_TREE_RENAME:
 165         SetFocus(g_pChildWnd->hTreeWnd);
 166         TreeView_EditLabel(g_pChildWnd->hTreeWnd, TreeView_GetSelection(g_pChildWnd->hTreeWnd));
 167         break;
 168     case ID_TREE_DELETE:
 169         hSelection = TreeView_GetSelection(g_pChildWnd->hTreeWnd);
 170         keyPath = GetItemPath(g_pChildWnd->hTreeWnd, hSelection, &hRootKey);
 171
 172         if (keyPath == 0 || *keyPath == 0)
 173         {
 174             MessageBeep(MB_ICONHAND);
 175         }
 176         else if (DeleteKey(hWnd, hRootKey, keyPath))
 177             DeleteNode(g_pChildWnd->hTreeWnd, 0);
 178         break;
 179     case ID_TREE_EXPORT:
 180         ExportRegistryFile(g_pChildWnd->hTreeWnd);
 181         break;
 182     case ID_EDIT_FIND:
 183         FindDialog(hWnd);
 184         break;
 185     case ID_EDIT_COPYKEYNAME:
 186         hSelection = TreeView_GetSelection(g_pChildWnd->hTreeWnd);
 187         keyPath = GetItemPath(g_pChildWnd->hTreeWnd, hSelection, &hRootKey);
 188         CopyKeyName(hWnd, hRootKey, keyPath);
 189         break;
 190     case ID_EDIT_NEW_KEY:
 191         CreateNewKey(g_pChildWnd->hTreeWnd, TreeView_GetSelection(g_pChildWnd->hTreeWnd));
 192         break;
 193     case ID_EDIT_NEW_STRINGVALUE:
 194     case ID_EDIT_NEW_BINARYVALUE:
 195     case ID_EDIT_NEW_DWORDVALUE:
 196         SendMessageW(hFrameWnd, WM_COMMAND, wParam, lParam);
 197         break;
 198     case ID_SWITCH_PANELS:
 199         g_pChildWnd->nFocusPanel = !g_pChildWnd->nFocusPanel;
 200         SetFocus(g_pChildWnd->nFocusPanel? g_pChildWnd->hListWnd: g_pChildWnd->hTreeWnd);
 201         break;
 202     default:
 203         if ((wID >= ID_TREE_SUGGESTION_MIN) && (wID <= ID_TREE_SUGGESTION_MAX))
 204         {
 205             s = Suggestions;
 206             while(wID > ID_TREE_SUGGESTION_MIN)
 207             {
 208                 if (*s)
 209                     s += wcslen(s) + 1;
 210                 wID--;
 211             }
 212             SelectNode(g_pChildWnd->hTreeWnd, s);
 213             break;
 214         }
 215         return FALSE;
 216     }
 217     return TRUE;
 218 }
 219
 220 /*******************************************************************************
 221  *
 222  *  Key suggestion
 223  */
 224
 225 #define MIN(a,b)    ((a < b) ? (a) : (b))
 226
 227 static void SuggestKeys(HKEY hRootKey, LPCWSTR pszKeyPath, LPWSTR pszSuggestions,
 228                         size_t iSuggestionsLength)
 229 {
 230     WCHAR szBuffer[256];
 231     WCHAR szLastFound[256];
 232     size_t i;
 233     HKEY hOtherKey, hSubKey;
 234     BOOL bFound;
 235
 236     memset(pszSuggestions, 0, iSuggestionsLength * sizeof(*pszSuggestions));
 237     iSuggestionsLength--;
 238
 239     /* Are we a root key in HKEY_CLASSES_ROOT? */
 240     if ((hRootKey == HKEY_CLASSES_ROOT) && pszKeyPath[0] && !wcschr(pszKeyPath, L'\\'))
 241     {
 242         do
 243         {
 244             bFound = FALSE;
 245
 246             /* Check default key */
 247             if (QueryStringValue(hRootKey, pszKeyPath, NULL,
 248                                  szBuffer, COUNT_OF(szBuffer)) == ERROR_SUCCESS)
 249             {
 250                 /* Sanity check this key; it cannot be empty, nor can it be a
 251                  * loop back */
 252                 if ((szBuffer[0] != L'\0') && _wcsicmp(szBuffer, pszKeyPath))
 253                 {
 254                     if (RegOpenKeyW(hRootKey, szBuffer, &hOtherKey) == ERROR_SUCCESS)
 255                     {
 256                         lstrcpynW(pszSuggestions, L"HKCR\\", (int) iSuggestionsLength);
 257                         i = wcslen(pszSuggestions);
 258                         pszSuggestions += i;
 259                         iSuggestionsLength -= i;
 260
 261                         lstrcpynW(pszSuggestions, szBuffer, (int) iSuggestionsLength);
 262                         i = MIN(wcslen(pszSuggestions) + 1, iSuggestionsLength);
 263                         pszSuggestions += i;
 264                         iSuggestionsLength -= i;
 265                         RegCloseKey(hOtherKey);
 266
 267                         bFound = TRUE;
 268                         wcscpy(szLastFound, szBuffer);
 269                         pszKeyPath = szLastFound;
 270                     }
 271                 }
 272             }
 273         }
 274         while(bFound && (iSuggestionsLength > 0));
 275
 276         /* Check CLSID key */
 277         if (RegOpenKeyW(hRootKey, pszKeyPath, &hSubKey) == ERROR_SUCCESS)
 278         {
 279             if (QueryStringValue(hSubKey, L"CLSID", NULL, szBuffer,
 280                                  COUNT_OF(szBuffer)) == ERROR_SUCCESS)
 281             {
 282                 lstrcpynW(pszSuggestions, L"HKCR\\CLSID\\", (int)iSuggestionsLength);
 283                 i = wcslen(pszSuggestions);
 284                 pszSuggestions += i;
 285                 iSuggestionsLength -= i;
 286
 287                 lstrcpynW(pszSuggestions, szBuffer, (int)iSuggestionsLength);
 288                 i = MIN(wcslen(pszSuggestions) + 1, iSuggestionsLength);
 289                 pszSuggestions += i;
 290                 iSuggestionsLength -= i;
 291             }
 292             RegCloseKey(hSubKey);
 293         }
 294     }
 295 }
 296
 297
 298 LRESULT CALLBACK AddressBarProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 299 {
 300     WNDPROC oldwndproc;
 301     static WCHAR s_szNode[256];
 302     oldwndproc = (WNDPROC)GetWindowLongPtr(hwnd, GWLP_USERDATA);
 303
 304     switch (uMsg)
 305     {
 306     case WM_KEYUP:
 307         if (wParam == VK_RETURN)
 308         {
 309             GetWindowTextW(hwnd, s_szNode, COUNT_OF(s_szNode));
 310             SelectNode(g_pChildWnd->hTreeWnd, s_szNode);
 311         }
 312         break;
 313     default:
 314         break;
 315     }
 316     return CallWindowProcW(oldwndproc, hwnd, uMsg, wParam, lParam);
 317 }
 318
 319 static VOID
 320 UpdateAddress(HTREEITEM hItem, HKEY hRootKey, LPCWSTR pszPath)
 321 {
 322     LPCWSTR keyPath, rootName;
 323     LPWSTR fullPath;
 324
 325     /* Wipe the listview, the status bar and the address bar if the root key was selected */
 326     if (TreeView_GetParent(g_pChildWnd->hTreeWnd, hItem) == NULL)
 327     {
 328         ListView_DeleteAllItems(g_pChildWnd->hListWnd);
 329         SendMessageW(hStatusBar, SB_SETTEXTW, 0, (LPARAM)NULL);
 330         SendMessageW(g_pChildWnd->hAddressBarWnd, WM_SETTEXT, 0, (LPARAM)NULL);
 331         return;
 332     }
 333
 334     if (pszPath == NULL)
 335         keyPath = GetItemPath(g_pChildWnd->hTreeWnd, hItem, &hRootKey);
 336     else
 337         keyPath = pszPath;
 338
 339     if (keyPath)
 340     {
 341         RefreshListView(g_pChildWnd->hListWnd, hRootKey, keyPath);
 342         rootName = get_root_key_name(hRootKey);
 343         fullPath = HeapAlloc(GetProcessHeap(), 0, (wcslen(rootName) + 1 + wcslen(keyPath) + 1) * sizeof(WCHAR));
 344         if (fullPath)
 345         {
 346             /* set (correct) the address bar text */
 347             if (keyPath[0] != L'\0')
 348                 swprintf(fullPath, L"%s\\%s", rootName, keyPath);
 349             else
 350                 fullPath = wcscpy(fullPath, rootName);
 351             SendMessageW(hStatusBar, SB_SETTEXTW, 0, (LPARAM)fullPath);
 352             SendMessageW(g_pChildWnd->hAddressBarWnd, WM_SETTEXT, 0, (LPARAM)fullPath);
 353             HeapFree(GetProcessHeap(), 0, fullPath);
 354             /* disable hive manipulation items temporarily (enable only if necessary) */
 355             EnableMenuItem(GetSubMenu(hMenuFrame,0), ID_REGISTRY_LOADHIVE, MF_BYCOMMAND | MF_GRAYED);
 356             EnableMenuItem(GetSubMenu(hMenuFrame,0), ID_REGISTRY_UNLOADHIVE, MF_BYCOMMAND | MF_GRAYED);
 357             /* compare the strings to see if we should enable/disable the "Load Hive" menus accordingly */
 358             if (!(_wcsicmp(rootName, L"HKEY_LOCAL_MACHINE") &&
 359                   _wcsicmp(rootName, L"HKEY_USERS")))
 360             {
 361                 /*
 362                  * enable the unload menu item if at the root, otherwise
 363                  * enable the load menu item if there is no slash in
 364                  * keyPath (ie. immediate child selected)
 365                  */
 366                 if(keyPath[0] == L'\0')
 367                     EnableMenuItem(GetSubMenu(hMenuFrame,0), ID_REGISTRY_LOADHIVE, MF_BYCOMMAND | MF_ENABLED);
 368                 else if(!wcschr(keyPath, L'\\'))
 369                     EnableMenuItem(GetSubMenu(hMenuFrame,0), ID_REGISTRY_UNLOADHIVE, MF_BYCOMMAND | MF_ENABLED);
 370             }
 371         }
 372     }
 373 }
 374
 375 /*******************************************************************************
 376  *
 377  *  FUNCTION: ChildWndProc(HWND, unsigned, WORD, LONG)
 378  *
 379  *  PURPOSE:  Processes messages for the child windows.
 380  *
 381  *  WM_COMMAND  - process the application menu
 382  *  WM_DESTROY  - post a quit message and return
 383  *
 384  */
 385 LRESULT CALLBACK ChildWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 386 {
 387     BOOL Result;
 388     RECT rc;
 389
 390     switch (message)
 391     {
 392     case WM_CREATE:
 393     {
 394         WNDPROC oldproc;
 395         HFONT hFont;
 396         WCHAR buffer[MAX_PATH];
 397
 398         /* Load "My Computer" string */
 399         LoadStringW(hInst, IDS_MY_COMPUTER, buffer, COUNT_OF(buffer));
 400
 401         g_pChildWnd = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ChildWnd));
 402         if (!g_pChildWnd) return 0;
 403
 404         wcsncpy(g_pChildWnd->szPath, buffer, MAX_PATH);
 405         g_pChildWnd->nSplitPos = 190;
 406         g_pChildWnd->hWnd = hWnd;
 407         g_pChildWnd->hAddressBarWnd = CreateWindowExW(WS_EX_CLIENTEDGE, L"Edit", NULL, WS_CHILD | WS_VISIBLE | WS_CHILDWINDOW | WS_TABSTOP,
 408                                                       CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
 409                                                       hWnd, (HMENU)0, hInst, 0);
 410         g_pChildWnd->hAddressBtnWnd = CreateWindowExW(0, L"Button", L"\x00BB", WS_CHILD | WS_VISIBLE | WS_CHILDWINDOW | WS_TABSTOP | BS_TEXT | BS_CENTER | BS_VCENTER | BS_FLAT | BS_DEFPUSHBUTTON,
 411                                                       CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
 412                                                       hWnd, (HMENU)0, hInst, 0);
 413         GetClientRect(hWnd, &rc);
 414         g_pChildWnd->hTreeWnd = CreateTreeView(hWnd, g_pChildWnd->szPath, (HMENU) TREE_WINDOW);
 415         g_pChildWnd->hListWnd = CreateListView(hWnd, (HMENU) LIST_WINDOW, rc.right - g_pChildWnd->nSplitPos);
 416         SetFocus(g_pChildWnd->hTreeWnd);
 417
 418         /* set the address bar and button font */
 419         if ((g_pChildWnd->hAddressBarWnd) && (g_pChildWnd->hAddressBtnWnd))
 420         {
 421             hFont = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
 422             SendMessageW(g_pChildWnd->hAddressBarWnd,
 423                          WM_SETFONT,
 424                          (WPARAM)hFont,
 425                          0);
 426             SendMessageW(g_pChildWnd->hAddressBtnWnd,
 427                          WM_SETFONT,
 428                          (WPARAM)hFont,
 429                          0);
 430         }
 431         /* Subclass the AddressBar */
 432         oldproc = (WNDPROC)GetWindowLongPtr(g_pChildWnd->hAddressBarWnd, GWLP_WNDPROC);
 433         SetWindowLongPtr(g_pChildWnd->hAddressBarWnd, GWLP_USERDATA, (DWORD_PTR)oldproc);
 434         SetWindowLongPtr(g_pChildWnd->hAddressBarWnd, GWLP_WNDPROC, (DWORD_PTR)AddressBarProc);
 435         break;
 436     }
 437     case WM_COMMAND:
 438         if(HIWORD(wParam) == BN_CLICKED)
 439         {
 440             PostMessageW(g_pChildWnd->hAddressBarWnd, WM_KEYUP, VK_RETURN, 0);
 441         }
 442
 443         if (!ChildWnd_CmdWndProc(hWnd, message, wParam, lParam))
 444         {
 445             goto def;
 446         }
 447         break;
 448     case WM_SETCURSOR:
 449         if (LOWORD(lParam) == HTCLIENT)
 450         {
 451             POINT pt;
 452             GetCursorPos(&pt);
 453             ScreenToClient(hWnd, &pt);
 454             if (pt.x>=g_pChildWnd->nSplitPos-SPLIT_WIDTH/2 && pt.x<g_pChildWnd->nSplitPos+SPLIT_WIDTH/2+1)
 455             {
 456                 SetCursor(LoadCursorW(0, IDC_SIZEWE));
 457                 return TRUE;
 458             }
 459         }
 460         goto def;
 461     case WM_DESTROY:
 462         DestroyListView(g_pChildWnd->hListWnd);
 463         DestroyTreeView(g_pChildWnd->hTreeWnd);
 464         DestroyMainMenu();
 465         HeapFree(GetProcessHeap(), 0, g_pChildWnd);
 466         g_pChildWnd = NULL;
 467         PostQuitMessage(0);
 468         break;
 469     case WM_LBUTTONDOWN:
 470     {
 471         RECT rt;
 472         int x = (short)LOWORD(lParam);
 473         GetClientRect(hWnd, &rt);
 474         if (x>=g_pChildWnd->nSplitPos-SPLIT_WIDTH/2 && x<g_pChildWnd->nSplitPos+SPLIT_WIDTH/2+1)
 475         {
 476             last_split = g_pChildWnd->nSplitPos;
 477             draw_splitbar(hWnd, last_split);
 478             SetCapture(hWnd);
 479         }
 480         break;
 481     }
 482
 483     case WM_LBUTTONUP:
 484     case WM_RBUTTONDOWN:
 485         if (GetCapture() == hWnd)
 486         {
 487             finish_splitbar(hWnd, LOWORD(lParam));
 488         }
 489         break;
 490
 491     case WM_CAPTURECHANGED:
 492         if (GetCapture()==hWnd && last_split>=0)
 493             draw_splitbar(hWnd, last_split);
 494         break;
 495
 496     case WM_KEYDOWN:
 497         if (wParam == VK_ESCAPE)
 498             if (GetCapture() == hWnd)
 499             {
 500                 RECT rt;
 501                 draw_splitbar(hWnd, last_split);
 502                 GetClientRect(hWnd, &rt);
 503                 ResizeWnd(rt.right, rt.bottom);
 504                 last_split = -1;
 505                 ReleaseCapture();
 506                 SetCursor(LoadCursorW(0, IDC_ARROW));
 507             }
 508         break;
 509
 510     case WM_MOUSEMOVE:
 511         if (GetCapture() == hWnd)
 512         {
 513             HDC hdc;
 514             RECT rt;
 515             HGDIOBJ OldObj;
 516             int x = LOWORD(lParam);
 517             if(!SizingPattern)
 518             {
 519                 const DWORD Pattern[4] = {0x5555AAAA, 0x5555AAAA, 0x5555AAAA, 0x5555AAAA};
 520                 SizingPattern = CreateBitmap(8, 8, 1, 1, Pattern);
 521             }
 522             if(!SizingBrush)
 523             {
 524                 SizingBrush = CreatePatternBrush(SizingPattern);
 525             }
 526
 527             GetClientRect(hWnd, &rt);
 528             x = (SHORT) min(max(x, SPLIT_MIN), rt.right - SPLIT_MIN);
 529             if(last_split != x)
 530             {
 531                 rt.left = last_split-SPLIT_WIDTH/2;
 532                 rt.right = last_split+SPLIT_WIDTH/2+1;
 533                 hdc = GetDC(hWnd);
 534                 OldObj = SelectObject(hdc, SizingBrush);
 535                 PatBlt(hdc, rt.left, rt.top, rt.right - rt.left, rt.bottom - rt.top, PATINVERT);
 536                 last_split = x;
 537                 rt.left = x-SPLIT_WIDTH/2;
 538                 rt.right = x+SPLIT_WIDTH/2+1;
 539                 PatBlt(hdc, rt.left, rt.top, rt.right - rt.left, rt.bottom - rt.top, PATINVERT);
 540                 SelectObject(hdc, OldObj);
 541                 ReleaseDC(hWnd, hdc);
 542             }
 543         }
 544         break;
 545
 546     case WM_SETFOCUS:
 547         if (g_pChildWnd != NULL)
 548         {
 549             SetFocus(g_pChildWnd->nFocusPanel? g_pChildWnd->hListWnd: g_pChildWnd->hTreeWnd);
 550         }
 551         break;
 552
 553     case WM_TIMER:
 554         break;
 555
 556     case WM_NOTIFY:
 557         if ((int)wParam == TREE_WINDOW && g_pChildWnd != NULL)
 558         {
 559             switch (((LPNMHDR)lParam)->code)
 560             {
 561             case TVN_ITEMEXPANDING:
 562                 return !OnTreeExpanding(g_pChildWnd->hTreeWnd, (NMTREEVIEW*)lParam);
 563             case TVN_SELCHANGED:
 564             {
 565                 NMTREEVIEW* pnmtv = (NMTREEVIEW*)lParam;
 566                 /* Get the parent of the current item */
 567                 HTREEITEM hParentItem = TreeView_GetParent(g_pChildWnd->hTreeWnd, pnmtv->itemNew.hItem);
 568
 569                 UpdateAddress(pnmtv->itemNew.hItem, NULL, NULL);
 570
 571                 /*
 572                  * Disable Delete/Rename menu options for 'My Computer' (first item so doesn't have any parent)
 573                  * and HKEY_* keys (their parent is 'My Computer' and the previous remark applies).
 574                  */
 575                 if (!hParentItem || !TreeView_GetParent(g_pChildWnd->hTreeWnd, hParentItem))
 576                 {
 577                     EnableMenuItem(hMenuFrame , ID_EDIT_DELETE, MF_BYCOMMAND | MF_GRAYED);
 578                     EnableMenuItem(hMenuFrame , ID_EDIT_RENAME, MF_BYCOMMAND | MF_GRAYED);
 579                     EnableMenuItem(hPopupMenus, ID_TREE_DELETE, MF_BYCOMMAND | MF_GRAYED);
 580                     EnableMenuItem(hPopupMenus, ID_TREE_RENAME, MF_BYCOMMAND | MF_GRAYED);
 581                 }
 582                 else
 583                 {
 584                     EnableMenuItem(hMenuFrame , ID_EDIT_DELETE, MF_BYCOMMAND | MF_ENABLED);
 585                     EnableMenuItem(hMenuFrame , ID_EDIT_RENAME, MF_BYCOMMAND | MF_ENABLED);
 586                     EnableMenuItem(hPopupMenus, ID_TREE_DELETE, MF_BYCOMMAND | MF_ENABLED);
 587                     EnableMenuItem(hPopupMenus, ID_TREE_RENAME, MF_BYCOMMAND | MF_ENABLED);
 588                 }
 589
 590                 break;
 591             }
 592             case NM_SETFOCUS:
 593                 g_pChildWnd->nFocusPanel = 0;
 594                 break;
 595             case TVN_BEGINLABELEDIT:
 596             {
 597                 LPNMTVDISPINFO ptvdi;
 598                 /* cancel label edit for rootkeys  */
 599                 ptvdi = (LPNMTVDISPINFO) lParam;
 600                 if (!TreeView_GetParent(g_pChildWnd->hTreeWnd, ptvdi->item.hItem) ||
 601                     !TreeView_GetParent(g_pChildWnd->hTreeWnd, TreeView_GetParent(g_pChildWnd->hTreeWnd, ptvdi->item.hItem)))
 602                     return TRUE;
 603                 break;
 604             }
 605             case TVN_ENDLABELEDIT:
 606             {
 607                 LPCWSTR keyPath;
 608                 HKEY hRootKey;
 609                 HKEY hKey = NULL;
 610                 LPNMTVDISPINFO ptvdi;
 611                 LONG lResult = TRUE;
 612                 WCHAR szBuffer[MAX_PATH];
 613
 614                 ptvdi = (LPNMTVDISPINFO) lParam;
 615                 if (ptvdi->item.pszText)
 616                 {
 617                     keyPath = GetItemPath(g_pChildWnd->hTreeWnd, TreeView_GetParent(g_pChildWnd->hTreeWnd, ptvdi->item.hItem), &hRootKey);
 618                     _snwprintf(szBuffer, COUNT_OF(szBuffer), L"%s\\%s", keyPath, ptvdi->item.pszText);
 619                     keyPath = GetItemPath(g_pChildWnd->hTreeWnd, ptvdi->item.hItem, &hRootKey);
 620                     if (RegOpenKeyExW(hRootKey, szBuffer, 0, KEY_READ, &hKey) == ERROR_SUCCESS)
 621                     {
 622                         lResult = FALSE;
 623                         RegCloseKey(hKey);
 624                         TreeView_EditLabel(g_pChildWnd->hTreeWnd, ptvdi->item.hItem);
 625                     }
 626                     else
 627                     {
 628                         if (RenameKey(hRootKey, keyPath, ptvdi->item.pszText) != ERROR_SUCCESS)
 629                             lResult = FALSE;
 630                         else
 631                             UpdateAddress(ptvdi->item.hItem, hRootKey, szBuffer);
 632                     }
 633                     return lResult;
 634                 }
 635             }
 636             default:
 637                 return 0;
 638             }
 639         }
 640         else
 641         {
 642             if ((int)wParam == LIST_WINDOW && g_pChildWnd != NULL)
 643             {
 644                 switch (((LPNMHDR)lParam)->code)
 645                 {
 646                 case NM_SETFOCUS:
 647                     g_pChildWnd->nFocusPanel = 1;
 648                     break;
 649                 default:
 650                     if(!ListWndNotifyProc(g_pChildWnd->hListWnd, wParam, lParam, &Result))
 651                     {
 652                         goto def;
 653                     }
 654                     return Result;
 655                     break;
 656                 }
 657             }
 658         }
 659         break;
 660
 661     case WM_CONTEXTMENU:
 662     {
 663         POINT pt;
 664         if((HWND)wParam == g_pChildWnd->hListWnd)
 665         {
 666             int i, cnt;
 667             BOOL IsDefault;
 668             pt.x = (short) LOWORD(lParam);
 669             pt.y = (short) HIWORD(lParam);
 670             cnt = ListView_GetSelectedCount(g_pChildWnd->hListWnd);
 671             i = ListView_GetNextItem(g_pChildWnd->hListWnd, -1, LVNI_FOCUSED | LVNI_SELECTED);
 672             if (pt.x == -1 && pt.y == -1)
 673             {
 674                 RECT rc;
 675                 if (i != -1)
 676                 {
 677                     rc.left = LVIR_BOUNDS;
 678                     SendMessageW(g_pChildWnd->hListWnd, LVM_GETITEMRECT, i, (LPARAM) &rc);
 679                     pt.x = rc.left + 8;
 680                     pt.y = rc.top + 8;
 681                 }
 682                 else
 683                     pt.x = pt.y = 0;
 684                 ClientToScreen(g_pChildWnd->hListWnd, &pt);
 685             }
 686             if(i == -1)
 687             {
 688                 TrackPopupMenu(GetSubMenu(hPopupMenus, PM_NEW), TPM_RIGHTBUTTON, pt.x, pt.y, 0, hFrameWnd, NULL);
 689             }
 690             else
 691             {
 692                 HMENU mnu = GetSubMenu(hPopupMenus, PM_MODIFYVALUE);
 693                 SetMenuDefaultItem(mnu, ID_EDIT_MODIFY, MF_BYCOMMAND);
 694                 IsDefault = IsDefaultValue(g_pChildWnd->hListWnd, i);
 695                 if(cnt == 1)
 696                     EnableMenuItem(mnu, ID_EDIT_RENAME, MF_BYCOMMAND | (IsDefault ? MF_DISABLED | MF_GRAYED : MF_ENABLED));
 697                 else
 698                     EnableMenuItem(mnu, ID_EDIT_RENAME, MF_BYCOMMAND | MF_DISABLED | MF_GRAYED);
 699                 EnableMenuItem(mnu, ID_EDIT_MODIFY, MF_BYCOMMAND | (cnt == 1 ? MF_ENABLED : MF_DISABLED | MF_GRAYED));
 700                 EnableMenuItem(mnu, ID_EDIT_MODIFY_BIN, MF_BYCOMMAND | (cnt == 1 ? MF_ENABLED : MF_DISABLED | MF_GRAYED));
 701
 702                 TrackPopupMenu(mnu, TPM_RIGHTBUTTON, pt.x, pt.y, 0, hFrameWnd, NULL);
 703             }
 704         }
 705         else if ((HWND)wParam == g_pChildWnd->hTreeWnd)
 706         {
 707             TVHITTESTINFO hti;
 708             HMENU hContextMenu;
 709             TVITEMW item;
 710             MENUITEMINFOW mii;
 711             WCHAR resource[256];
 712             WCHAR buffer[256];
 713             LPWSTR s;
 714             LPCWSTR keyPath;
 715             HKEY hRootKey;
 716             int iLastPos;
 717             WORD wID;
 718
 719             pt.x = (short) LOWORD(lParam);
 720             pt.y = (short) HIWORD(lParam);
 721
 722             if (pt.x == -1 && pt.y == -1)
 723             {
 724                 RECT rc;
 725                 hti.hItem = TreeView_GetSelection(g_pChildWnd->hTreeWnd);
 726                 if (hti.hItem != NULL)
 727                 {
 728                     TreeView_GetItemRect(g_pChildWnd->hTreeWnd, hti.hItem, &rc, TRUE);
 729                     pt.x = rc.left + 8;
 730                     pt.y = rc.top + 8;
 731                     ClientToScreen(g_pChildWnd->hTreeWnd, &pt);
 732                     hti.flags = TVHT_ONITEM;
 733                 }
 734                 else
 735                     hti.flags = 0;
 736             }
 737             else
 738             {
 739                 hti.pt.x = pt.x;
 740                 hti.pt.y = pt.y;
 741                 ScreenToClient(g_pChildWnd->hTreeWnd, &hti.pt);
 742                 TreeView_HitTest(g_pChildWnd->hTreeWnd, &hti);
 743             }
 744
 745             if (hti.flags & TVHT_ONITEM)
 746             {
 747                 hContextMenu = GetSubMenu(hPopupMenus, PM_TREECONTEXT);
 748                 TreeView_SelectItem(g_pChildWnd->hTreeWnd, hti.hItem);
 749
 750                 memset(&item, 0, sizeof(item));
 751                 item.mask = TVIF_STATE | TVIF_CHILDREN;
 752                 item.hItem = hti.hItem;
 753                 TreeView_GetItem(g_pChildWnd->hTreeWnd, &item);
 754
 755                 /* Set the Expand/Collapse menu item appropriately */
 756                 LoadStringW(hInst, (item.state & TVIS_EXPANDED) ? IDS_COLLAPSE : IDS_EXPAND, buffer, COUNT_OF(buffer));
 757                 memset(&mii, 0, sizeof(mii));
 758                 mii.cbSize = sizeof(mii);
 759                 mii.fMask = MIIM_STRING | MIIM_STATE | MIIM_ID;
 760                 mii.fState = (item.cChildren > 0) ? MFS_DEFAULT : MFS_GRAYED;
 761                 mii.wID = (item.state & TVIS_EXPANDED) ? ID_TREE_COLLAPSEBRANCH : ID_TREE_EXPANDBRANCH;
 762                 mii.dwTypeData = (LPWSTR) buffer;
 763                 SetMenuItemInfo(hContextMenu, 0, TRUE, &mii);
 764
 765                 /* Remove any existing suggestions */
 766                 memset(&mii, 0, sizeof(mii));
 767                 mii.cbSize = sizeof(mii);
 768                 mii.fMask = MIIM_ID;
 769                 GetMenuItemInfo(hContextMenu, GetMenuItemCount(hContextMenu) - 1, TRUE, &mii);
 770                 if ((mii.wID >= ID_TREE_SUGGESTION_MIN) && (mii.wID <= ID_TREE_SUGGESTION_MAX))
 771                 {
 772                     do
 773                     {
 774                         iLastPos = GetMenuItemCount(hContextMenu) - 1;
 775                         GetMenuItemInfo(hContextMenu, iLastPos, TRUE, &mii);
 776                         RemoveMenu(hContextMenu, iLastPos, MF_BYPOSITION);
 777                     }
 778                     while((mii.wID >= ID_TREE_SUGGESTION_MIN) && (mii.wID <= ID_TREE_SUGGESTION_MAX));
 779                 }
 780
 781                 /* Come up with suggestions */
 782                 keyPath = GetItemPath(g_pChildWnd->hTreeWnd, NULL, &hRootKey);
 783                 SuggestKeys(hRootKey, keyPath, Suggestions, COUNT_OF(Suggestions));
 784                 if (Suggestions[0])
 785                 {
 786                     AppendMenu(hContextMenu, MF_SEPARATOR, 0, NULL);
 787
 788                     LoadStringW(hInst, IDS_GOTO_SUGGESTED_KEY, resource, COUNT_OF(resource));
 789
 790                     s = Suggestions;
 791                     wID = ID_TREE_SUGGESTION_MIN;
 792                     while(*s && (wID <= ID_TREE_SUGGESTION_MAX))
 793                     {
 794                         _snwprintf(buffer, COUNT_OF(buffer), resource, s);
 795
 796                         memset(&mii, 0, sizeof(mii));
 797                         mii.cbSize = sizeof(mii);
 798                         mii.fMask = MIIM_STRING | MIIM_ID;
 799                         mii.wID = wID++;
 800                         mii.dwTypeData = buffer;
 801                         InsertMenuItem(hContextMenu, GetMenuItemCount(hContextMenu), TRUE, &mii);
 802
 803                         s += wcslen(s) + 1;
 804                     }
 805                 }
 806                 TrackPopupMenu(hContextMenu, TPM_RIGHTBUTTON, pt.x, pt.y, 0, g_pChildWnd->hWnd, NULL);
 807             }
 808         }
 809         break;
 810     }
 811
 812     case WM_SIZE:
 813         if (wParam != SIZE_MINIMIZED && g_pChildWnd != NULL)
 814         {
 815             ResizeWnd(LOWORD(lParam), HIWORD(lParam));
 816         }
 817         /* fall through */
 818     default:
 819 def:
 820         return DefWindowProcW(hWnd, message, wParam, lParam);
 821     }
 822     return 0;
 823 }