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reactos/base/applications/regedit/treeview.c

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/*
* Regedit treeview
*
* Copyright (C) 2002 Robert Dickenson <robd@reactos.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "regedit.h"
/* Global variables and constants */
/* Image_Open, Image_Closed, and Image_Root - integer variables for indexes of the images. */
/* CX_ICON and CY_ICON - width and height of an icon. */
/* NUM_ICON - number of icons to add to the image list. */
static int Image_Open = 0;
static int Image_Closed = 0;
static int Image_Root = 0;
static LPWSTR pathBuffer;
#define NUM_ICONS 3
static BOOL get_item_path(HWND hwndTV, HTREEITEM hItem, HKEY* phKey, LPWSTR* pKeyPath, int* pPathLen, int* pMaxLen)
{
TVITEMW item;
size_t maxLen, len;
LPWSTR newStr;
item.mask = TVIF_PARAM;
item.hItem = hItem;
if (!TreeView_GetItem(hwndTV, &item)) return FALSE;
if (item.lParam)
{
/* found root key with valid key value */
*phKey = (HKEY)item.lParam;
return TRUE;
}
if(!get_item_path(hwndTV, TreeView_GetParent(hwndTV, hItem), phKey, pKeyPath, pPathLen, pMaxLen)) return FALSE;
if (*pPathLen)
{
(*pKeyPath)[*pPathLen] = L'\\';
++(*pPathLen);
}
do
{
item.mask = TVIF_TEXT;
item.hItem = hItem;
item.pszText = *pKeyPath + *pPathLen;
maxLen = *pMaxLen - *pPathLen;
item.cchTextMax = (int) maxLen;
if (!TreeView_GetItem(hwndTV, &item)) return FALSE;
len = wcslen(item.pszText);
if (len < maxLen - 1)
{
*pPathLen += (int) len;
break;
}
newStr = HeapReAlloc(GetProcessHeap(), 0, *pKeyPath, *pMaxLen * 2);
if (!newStr) return FALSE;
*pKeyPath = newStr;
*pMaxLen *= 2;
}
while(TRUE);
return TRUE;
}
LPCWSTR GetItemPath(HWND hwndTV, HTREEITEM hItem, HKEY* phRootKey)
{
int pathLen = 0, maxLen;
*phRootKey = NULL;
if (!pathBuffer) pathBuffer = HeapAlloc(GetProcessHeap(), 0, 1024);
if (!pathBuffer) return NULL;
*pathBuffer = 0;
maxLen = (int) HeapSize(GetProcessHeap(), 0, pathBuffer);
if (maxLen == -1) return NULL;
if (!hItem) hItem = TreeView_GetSelection(hwndTV);
if (!hItem) return NULL;
if (!get_item_path(hwndTV, hItem, phRootKey, &pathBuffer, &pathLen, &maxLen))
{
return NULL;
}
return pathBuffer;
}
BOOL DeleteNode(HWND hwndTV, HTREEITEM hItem)
{
if (!hItem) hItem = TreeView_GetSelection(hwndTV);
if (!hItem) return FALSE;
return TreeView_DeleteItem(hwndTV, hItem);
}
/* Add an entry to the tree. Only give hKey for root nodes (HKEY_ constants) */
static HTREEITEM AddEntryToTree(HWND hwndTV, HTREEITEM hParent, LPWSTR label, HKEY hKey, DWORD dwChildren)
{
TVITEMW tvi;
TVINSERTSTRUCTW tvins;
if (hKey)
{
if (RegQueryInfoKeyW(hKey, 0, 0, 0, &dwChildren, 0, 0, 0, 0, 0, 0, 0) != ERROR_SUCCESS)
{
dwChildren = 0;
}
}
tvi.mask = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_CHILDREN | TVIF_PARAM;
tvi.pszText = label;
tvi.cchTextMax = wcslen(tvi.pszText);
tvi.iImage = Image_Closed;
tvi.iSelectedImage = Image_Open;
tvi.cChildren = dwChildren;
tvi.lParam = (LPARAM)hKey;
tvins.item = tvi;
tvins.hInsertAfter = (HTREEITEM)(hKey ? TVI_LAST : TVI_FIRST);
tvins.hParent = hParent;
return TreeView_InsertItem(hwndTV, &tvins);
}
BOOL RefreshTreeItem(HWND hwndTV, HTREEITEM hItem)
{
HKEY hRoot, hKey, hSubKey;
HTREEITEM childItem;
LPCWSTR KeyPath;
DWORD dwCount, dwIndex, dwMaxSubKeyLen;
LPWSTR Name = NULL;
TVITEMW tvItem;
LPWSTR pszNodes = NULL;
BOOL bSuccess = FALSE;
LPWSTR s;
BOOL bAddedAny;
KeyPath = GetItemPath(hwndTV, hItem, &hRoot);
if (*KeyPath)
{
if (RegOpenKeyExW(hRoot, KeyPath, 0, KEY_READ, &hKey) != ERROR_SUCCESS)
{
goto done;
}
}
else
{
hKey = hRoot;
}
if (RegQueryInfoKeyW(hKey, 0, 0, 0, &dwCount, &dwMaxSubKeyLen, 0, 0, 0, 0, 0, 0) != ERROR_SUCCESS)
{
goto done;
}
/* Set the number of children again */
tvItem.mask = TVIF_CHILDREN;
tvItem.hItem = hItem;
tvItem.cChildren = dwCount;
if (!TreeView_SetItem(hwndTV, &tvItem))
{
goto done;
}
/* We don't have to bother with the rest if it's not expanded. */
if (TreeView_GetItemState(hwndTV, hItem, TVIS_EXPANDED) == 0)
{
RegCloseKey(hKey);
bSuccess = TRUE;
goto done;
}
dwMaxSubKeyLen++; /* account for the \0 terminator */
if (!(Name = HeapAlloc(GetProcessHeap(), 0, dwMaxSubKeyLen * sizeof(WCHAR))))
{
goto done;
}
tvItem.cchTextMax = dwMaxSubKeyLen;
/*if (!(tvItem.pszText = HeapAlloc(GetProcessHeap(), 0, dwMaxSubKeyLen * sizeof(WCHAR)))) {
goto done;
}*/
/* Get all of the tree node siblings in one contiguous block of memory */
{
DWORD dwPhysicalSize = 0;
DWORD dwActualSize = 0;
DWORD dwNewPhysicalSize;
LPWSTR pszNewNodes;
DWORD dwStep = 10000;
for (childItem = TreeView_GetChild(hwndTV, hItem); childItem;
childItem = TreeView_GetNextSibling(hwndTV, childItem))
{
if (dwActualSize + dwMaxSubKeyLen + 1 > dwPhysicalSize)
{
dwNewPhysicalSize = dwActualSize + dwMaxSubKeyLen + 1 + dwStep;
if (pszNodes)
pszNewNodes = (LPWSTR) HeapReAlloc(GetProcessHeap(), 0, pszNodes, dwNewPhysicalSize * sizeof(WCHAR));
else
pszNewNodes = (LPWSTR) HeapAlloc(GetProcessHeap(), 0, dwNewPhysicalSize * sizeof(WCHAR));
if (!pszNewNodes)
goto done;
dwPhysicalSize = dwNewPhysicalSize;
pszNodes = pszNewNodes;
}
tvItem.mask = TVIF_TEXT;
tvItem.hItem = childItem;
tvItem.pszText = &pszNodes[dwActualSize];
tvItem.cchTextMax = dwPhysicalSize - dwActualSize;
if (!TreeView_GetItem(hwndTV, &tvItem))
goto done;
dwActualSize += (DWORD) wcslen(&pszNodes[dwActualSize]) + 1;
}
if (pszNodes)
pszNodes[dwActualSize] = L'\0';
}
/* Now go through all the children in the tree, and check if any have to be removed. */
childItem = TreeView_GetChild(hwndTV, hItem);
while (childItem)
{
HTREEITEM nextItem = TreeView_GetNextSibling(hwndTV, childItem);
if (RefreshTreeItem(hwndTV, childItem) == FALSE)
{
(void)TreeView_DeleteItem(hwndTV, childItem);
}
childItem = nextItem;
}
/* Now go through all the children in the registry, and check if any have to be added. */
bAddedAny = FALSE;
for (dwIndex = 0; dwIndex < dwCount; dwIndex++)
{
DWORD cName = dwMaxSubKeyLen, dwSubCount;
BOOL found;
found = FALSE;
if (RegEnumKeyExW(hKey, dwIndex, Name, &cName, 0, 0, 0, NULL) != ERROR_SUCCESS)
{
continue;
}
/* Check if the node is already in there. */
if (pszNodes)
{
for (s = pszNodes; *s; s += wcslen(s) + 1)
{
if (!wcscmp(s, Name))
{
found = TRUE;
break;
}
}
}
if (found == FALSE)
{
/* Find the number of children of the node. */
dwSubCount = 0;
if (RegOpenKeyExW(hKey, Name, 0, KEY_QUERY_VALUE, &hSubKey) == ERROR_SUCCESS)
{
if (RegQueryInfoKeyW(hSubKey, 0, 0, 0, &dwSubCount, 0, 0, 0, 0, 0, 0, 0) != ERROR_SUCCESS)
{
dwSubCount = 0;
}
RegCloseKey(hSubKey);
}
AddEntryToTree(hwndTV, hItem, Name, NULL, dwSubCount);
bAddedAny = TRUE;
}
}
RegCloseKey(hKey);
if (bAddedAny)
SendMessageW(hwndTV, TVM_SORTCHILDREN, 0, (LPARAM) hItem);
bSuccess = TRUE;
done:
if (pszNodes)
HeapFree(GetProcessHeap(), 0, pszNodes);
if (Name)
HeapFree(GetProcessHeap(), 0, Name);
return bSuccess;
}
BOOL RefreshTreeView(HWND hwndTV)
{
HTREEITEM hItem;
HTREEITEM hSelectedItem;
HCURSOR hcursorOld;
hSelectedItem = TreeView_GetSelection(hwndTV);
hcursorOld = SetCursor(LoadCursor(NULL, IDC_WAIT));
SendMessageW(hwndTV, WM_SETREDRAW, FALSE, 0);
hItem = TreeView_GetChild(hwndTV, TreeView_GetRoot(hwndTV));
while (hItem)
{
RefreshTreeItem(hwndTV, hItem);
hItem = TreeView_GetNextSibling(hwndTV, hItem);
}
SendMessageW(hwndTV, WM_SETREDRAW, TRUE, 0);
SetCursor(hcursorOld);
/* We reselect the currently selected node, this will prompt a refresh of the listview. */
(void)TreeView_SelectItem(hwndTV, hSelectedItem);
return TRUE;
}
HTREEITEM InsertNode(HWND hwndTV, HTREEITEM hItem, LPWSTR name)
{
WCHAR buf[MAX_NEW_KEY_LEN];
HTREEITEM hNewItem = 0;
TVITEMEXW item;
/* Default to the current selection */
if (!hItem)
{
hItem = TreeView_GetSelection(hwndTV);
if (!hItem)
return FALSE;
}
memset(&item, 0, sizeof(item));
item.hItem = hItem;
item.mask = TVIF_CHILDREN | TVIF_HANDLE | TVIF_STATE;
if (!TreeView_GetItem(hwndTV, &item))
return FALSE;
if ((item.state & TVIS_EXPANDEDONCE) && (item.cChildren > 0))
{
hNewItem = AddEntryToTree(hwndTV, hItem, name, 0, 0);
SendMessageW(hwndTV, TVM_SORTCHILDREN, 0, (LPARAM) hItem);
}
else
{
item.mask = TVIF_CHILDREN | TVIF_HANDLE;
item.hItem = hItem;
item.cChildren = 1;
if (!TreeView_SetItem(hwndTV, &item))
return FALSE;
}
(void)TreeView_Expand(hwndTV, hItem, TVE_EXPAND);
if (!hNewItem)
{
for(hNewItem = TreeView_GetChild(hwndTV, hItem); hNewItem; hNewItem = TreeView_GetNextSibling(hwndTV, hNewItem))
{
item.mask = TVIF_HANDLE | TVIF_TEXT;
item.hItem = hNewItem;
item.pszText = buf;
item.cchTextMax = COUNT_OF(buf);
if (!TreeView_GetItem(hwndTV, &item)) continue;
if (wcscmp(name, item.pszText) == 0) break;
}
}
if (hNewItem) (void)TreeView_SelectItem(hwndTV, hNewItem);
return hNewItem;
}
HWND StartKeyRename(HWND hwndTV)
{
HTREEITEM hItem;
if(!(hItem = TreeView_GetSelection(hwndTV))) return 0;
return TreeView_EditLabel(hwndTV, hItem);
}
static BOOL InitTreeViewItems(HWND hwndTV, LPWSTR pHostName)
{
TVITEMW tvi;
TVINSERTSTRUCTW tvins;
HTREEITEM hRoot;
tvi.mask = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_CHILDREN | TVIF_PARAM;
/* Set the text of the item. */
tvi.pszText = pHostName;
tvi.cchTextMax = wcslen(tvi.pszText);
/* Assume the item is not a parent item, so give it an image. */
tvi.iImage = Image_Root;
tvi.iSelectedImage = Image_Root;
tvi.cChildren = 5;
/* Save the heading level in the item's application-defined data area. */
tvi.lParam = (LPARAM)NULL;
tvins.item = tvi;
tvins.hInsertAfter = (HTREEITEM)TVI_FIRST;
tvins.hParent = TVI_ROOT;
/* Add the item to the tree view control. */
if (!(hRoot = TreeView_InsertItem(hwndTV, &tvins))) return FALSE;
if (!AddEntryToTree(hwndTV, hRoot, L"HKEY_CLASSES_ROOT", HKEY_CLASSES_ROOT, 1)) return FALSE;
if (!AddEntryToTree(hwndTV, hRoot, L"HKEY_CURRENT_USER", HKEY_CURRENT_USER, 1)) return FALSE;
if (!AddEntryToTree(hwndTV, hRoot, L"HKEY_LOCAL_MACHINE", HKEY_LOCAL_MACHINE, 1)) return FALSE;
if (!AddEntryToTree(hwndTV, hRoot, L"HKEY_USERS", HKEY_USERS, 1)) return FALSE;
if (!AddEntryToTree(hwndTV, hRoot, L"HKEY_CURRENT_CONFIG", HKEY_CURRENT_CONFIG, 1)) return FALSE;
if (GetVersion() & 0x80000000)
{
/* Win9x specific key */
if (!AddEntryToTree(hwndTV, hRoot, L"HKEY_DYN_DATA", HKEY_DYN_DATA, 1)) return FALSE;
}
/* expand and select host name */
(void)TreeView_Expand(hwndTV, hRoot, TVE_EXPAND);
(void)TreeView_Select(hwndTV, hRoot, TVGN_CARET);
return TRUE;
}
/*
* InitTreeViewImageLists - creates an image list, adds three bitmaps
* to it, and associates the image list with a tree view control.
* Returns TRUE if successful, or FALSE otherwise.
* hwndTV - handle to the tree view control.
*/
static BOOL InitTreeViewImageLists(HWND hwndTV)
{
HIMAGELIST himl; /* handle to image list */
HICON hico; /* handle to icon */
/* Create the image list. */
if ((himl = ImageList_Create(GetSystemMetrics(SM_CXSMICON),
GetSystemMetrics(SM_CYSMICON),
ILC_MASK | ILC_COLOR32,
0,
NUM_ICONS)) == NULL)
{
return FALSE;
}
/* Add the open file, closed file, and document bitmaps. */
hico = LoadImageW(hInst,
MAKEINTRESOURCEW(IDI_OPEN_FILE),
IMAGE_ICON,
GetSystemMetrics(SM_CXSMICON),
GetSystemMetrics(SM_CYSMICON),
0);
if (hico)
{
Image_Open = ImageList_AddIcon(himl, hico);
DestroyIcon(hico);
}
hico = LoadImageW(hInst,
MAKEINTRESOURCEW(IDI_CLOSED_FILE),
IMAGE_ICON,
GetSystemMetrics(SM_CXSMICON),
GetSystemMetrics(SM_CYSMICON),
0);
if (hico)
{
Image_Closed = ImageList_AddIcon(himl, hico);
DestroyIcon(hico);
}
hico = LoadImageW(hInst,
MAKEINTRESOURCEW(IDI_ROOT),
IMAGE_ICON,
GetSystemMetrics(SM_CXSMICON),
GetSystemMetrics(SM_CYSMICON),
0);
if (hico)
{
Image_Root = ImageList_AddIcon(himl, hico);
DestroyIcon(hico);
}
/* Fail if not all of the images were added. */
if (ImageList_GetImageCount(himl) < NUM_ICONS)
{
ImageList_Destroy(himl);
return FALSE;
}
/* Associate the image list with the tree view control. */
(void)TreeView_SetImageList(hwndTV, himl, TVSIL_NORMAL);
return TRUE;
}
BOOL OnTreeExpanding(HWND hwndTV, NMTREEVIEW* pnmtv)
{
DWORD dwCount, dwIndex, dwMaxSubKeyLen;
HKEY hRoot, hNewKey, hKey;
LPCWSTR keyPath;
LPWSTR Name;
LONG errCode;
HCURSOR hcursorOld;
static int expanding;
if (expanding) return FALSE;
if (pnmtv->itemNew.state & TVIS_EXPANDEDONCE )
{
return TRUE;
}
expanding = TRUE;
hcursorOld = SetCursor(LoadCursor(NULL, IDC_WAIT));
SendMessageW(hwndTV, WM_SETREDRAW, FALSE, 0);
keyPath = GetItemPath(hwndTV, pnmtv->itemNew.hItem, &hRoot);
if (!keyPath) goto done;
if (*keyPath)
{
errCode = RegOpenKeyExW(hRoot, keyPath, 0, KEY_READ, &hNewKey);
if (errCode != ERROR_SUCCESS) goto done;
}
else
{
hNewKey = hRoot;
}
errCode = RegQueryInfoKeyW(hNewKey, 0, 0, 0, &dwCount, &dwMaxSubKeyLen, 0, 0, 0, 0, 0, 0);
if (errCode != ERROR_SUCCESS) goto done;
dwMaxSubKeyLen++; /* account for the \0 terminator */
Name = HeapAlloc(GetProcessHeap(), 0, dwMaxSubKeyLen * sizeof(WCHAR));
if (!Name) goto done;
for (dwIndex = 0; dwIndex < dwCount; dwIndex++)
{
DWORD cName = dwMaxSubKeyLen, dwSubCount;
errCode = RegEnumKeyExW(hNewKey, dwIndex, Name, &cName, 0, 0, 0, 0);
if (errCode != ERROR_SUCCESS) continue;
errCode = RegOpenKeyExW(hNewKey, Name, 0, KEY_QUERY_VALUE, &hKey);
if (errCode == ERROR_SUCCESS)
{
errCode = RegQueryInfoKeyW(hKey, 0, 0, 0, &dwSubCount, 0, 0, 0, 0, 0, 0, 0);
RegCloseKey(hKey);
}
if (errCode != ERROR_SUCCESS) dwSubCount = 0;
AddEntryToTree(hwndTV, pnmtv->itemNew.hItem, Name, NULL, dwSubCount);
}
SendMessageW(hwndTV, TVM_SORTCHILDREN, 0, (LPARAM)pnmtv->itemNew.hItem);
RegCloseKey(hNewKey);
HeapFree(GetProcessHeap(), 0, Name);
done:
SendMessageW(hwndTV, WM_SETREDRAW, TRUE, 0);
SetCursor(hcursorOld);
expanding = FALSE;
return TRUE;
}
BOOL CreateNewKey(HWND hwndTV, HTREEITEM hItem)
{
WCHAR szNewKeyFormat[128];
WCHAR szNewKey[128];
LPCWSTR pszKeyPath;
int iIndex = 1;
LONG nResult;
HKEY hRootKey = NULL, hKey = NULL, hNewKey = NULL;
BOOL bSuccess = FALSE;
DWORD dwDisposition;
HTREEITEM hNewItem;
pszKeyPath = GetItemPath(hwndTV, hItem, &hRootKey);
if (pszKeyPath[0] == L'\0')
hKey = hRootKey;
else if (RegOpenKeyW(hRootKey, pszKeyPath, &hKey) != ERROR_SUCCESS)
goto done;
if (LoadStringW(hInst, IDS_NEW_KEY, szNewKeyFormat, COUNT_OF(szNewKeyFormat)) <= 0)
goto done;
/* Need to create a new key with a unique name */
do
{
wsprintf(szNewKey, szNewKeyFormat, iIndex++);
nResult = RegCreateKeyExW(hKey, szNewKey, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hNewKey, &dwDisposition);
if (hNewKey && dwDisposition == REG_OPENED_EXISTING_KEY)
{
RegCloseKey(hNewKey);
hNewKey = NULL;
}
else if (!hNewKey)
{
InfoMessageBox(hFrameWnd, MB_OK | MB_ICONERROR, NULL, L"Cannot create new key!\n\nError Code: %d", nResult);
goto done;
}
}
while(!hNewKey);
/* Insert the new key */
hNewItem = InsertNode(hwndTV, hItem, szNewKey);
if (!hNewItem)
goto done;
/* The new key's name is probably not appropriate yet */
(void)TreeView_EditLabel(hwndTV, hNewItem);
bSuccess = TRUE;
done:
if (hKey != hRootKey && hKey)
RegCloseKey(hKey);
if (hNewKey)
RegCloseKey(hNewKey);
return bSuccess;
}
BOOL TreeWndNotifyProc(HWND hWnd, WPARAM wParam, LPARAM lParam, BOOL *Result)
{
UNREFERENCED_PARAMETER(wParam);
*Result = TRUE;
switch (((LPNMHDR)lParam)->code)
{
case TVN_ITEMEXPANDING:
*Result = !OnTreeExpanding(g_pChildWnd->hTreeWnd, (NMTREEVIEW*)lParam);
return TRUE;
case TVN_SELCHANGED:
{
NMTREEVIEW* pnmtv = (NMTREEVIEW*)lParam;
/* Get the parent of the current item */
HTREEITEM hParentItem = TreeView_GetParent(g_pChildWnd->hTreeWnd, pnmtv->itemNew.hItem);
UpdateAddress(pnmtv->itemNew.hItem, NULL, NULL);
/* Disable the Permissions menu item for 'My Computer' */
EnableMenuItem(hMenuFrame, ID_EDIT_PERMISSIONS, MF_BYCOMMAND | (hParentItem ? MF_ENABLED : MF_GRAYED));
/*
* Disable Delete/Rename menu options for 'My Computer' (first item so doesn't have any parent)
* and HKEY_* keys (their parent is 'My Computer' and the previous remark applies).
*/
if (!hParentItem || !TreeView_GetParent(g_pChildWnd->hTreeWnd, hParentItem))
{
EnableMenuItem(hMenuFrame , ID_EDIT_DELETE, MF_BYCOMMAND | MF_GRAYED);
EnableMenuItem(hMenuFrame , ID_EDIT_RENAME, MF_BYCOMMAND | MF_GRAYED);
EnableMenuItem(hPopupMenus, ID_TREE_DELETE, MF_BYCOMMAND | MF_GRAYED);
EnableMenuItem(hPopupMenus, ID_TREE_RENAME, MF_BYCOMMAND | MF_GRAYED);
}
else
{
EnableMenuItem(hMenuFrame , ID_EDIT_DELETE, MF_BYCOMMAND | MF_ENABLED);
EnableMenuItem(hMenuFrame , ID_EDIT_RENAME, MF_BYCOMMAND | MF_ENABLED);
EnableMenuItem(hPopupMenus, ID_TREE_DELETE, MF_BYCOMMAND | MF_ENABLED);
EnableMenuItem(hPopupMenus, ID_TREE_RENAME, MF_BYCOMMAND | MF_ENABLED);
}
return TRUE;
}
case NM_SETFOCUS:
g_pChildWnd->nFocusPanel = 0;
break;
case TVN_BEGINLABELEDIT:
{
LPNMTVDISPINFO ptvdi = (LPNMTVDISPINFO) lParam;
/* cancel label edit for rootkeys */
if (!TreeView_GetParent(g_pChildWnd->hTreeWnd, ptvdi->item.hItem) ||
!TreeView_GetParent(g_pChildWnd->hTreeWnd, TreeView_GetParent(g_pChildWnd->hTreeWnd, ptvdi->item.hItem)))
{
*Result = TRUE;
}
else
{
*Result = FALSE;
}
return TRUE;
}
case TVN_ENDLABELEDIT:
{
LPCWSTR keyPath;
HKEY hRootKey;
HKEY hKey = NULL;
LPNMTVDISPINFO ptvdi = (LPNMTVDISPINFO) lParam;
LONG nRenResult;
LONG lResult = TRUE;
WCHAR szBuffer[MAX_PATH];
WCHAR Caption[128];
if (ptvdi->item.pszText)
{
keyPath = GetItemPath(g_pChildWnd->hTreeWnd, TreeView_GetParent(g_pChildWnd->hTreeWnd, ptvdi->item.hItem), &hRootKey);
if (wcslen(keyPath))
_snwprintf(szBuffer, COUNT_OF(szBuffer), L"%s\\%s", keyPath, ptvdi->item.pszText);
else
_snwprintf(szBuffer, COUNT_OF(szBuffer), L"%s", ptvdi->item.pszText);
keyPath = GetItemPath(g_pChildWnd->hTreeWnd, ptvdi->item.hItem, &hRootKey);
if (RegOpenKeyExW(hRootKey, szBuffer, 0, KEY_READ, &hKey) == ERROR_SUCCESS)
{
lResult = FALSE;
RegCloseKey(hKey);
TreeView_EditLabel(g_pChildWnd->hTreeWnd, ptvdi->item.hItem);
}
else
{
nRenResult = RenameKey(hRootKey, keyPath, ptvdi->item.pszText);
if (nRenResult != ERROR_SUCCESS)
{
LoadStringW(hInst, IDS_ERROR, Caption, COUNT_OF(Caption));
ErrorMessageBox(hWnd, Caption, nRenResult);
lResult = FALSE;
}
else
UpdateAddress(ptvdi->item.hItem, hRootKey, szBuffer);
}
*Result = lResult;
}
return TRUE;
}
}
return FALSE;
}
/*
* CreateTreeView - creates a tree view control.
* Returns the handle to the new control if successful, or NULL otherwise.
* hwndParent - handle to the control's parent window.
*/
HWND CreateTreeView(HWND hwndParent, LPWSTR pHostName, HMENU id)
{
RECT rcClient;
HWND hwndTV;
/* Get the dimensions of the parent window's client area, and create the tree view control. */
GetClientRect(hwndParent, &rcClient);
hwndTV = CreateWindowExW(WS_EX_CLIENTEDGE, WC_TREEVIEW, NULL,
WS_VISIBLE | WS_CHILD | WS_TABSTOP | TVS_HASLINES | TVS_HASBUTTONS | TVS_LINESATROOT | TVS_EDITLABELS | TVS_SHOWSELALWAYS,
0, 0, rcClient.right, rcClient.bottom,
hwndParent, id, hInst, NULL);
if (!hwndTV) return NULL;
/* Initialize the image list, and add items to the control. */
if (!InitTreeViewImageLists(hwndTV) || !InitTreeViewItems(hwndTV, pHostName))
{
DestroyWindow(hwndTV);
return NULL;
}
return hwndTV;
}
void DestroyTreeView(HWND hwndTV)
{
HIMAGELIST himl;
if (pathBuffer) HeapFree(GetProcessHeap(), 0, pathBuffer);
/* Destroy the image list associated with the tree view control */
himl = TreeView_GetImageList(hwndTV, TVSIL_NORMAL);
if (himl) ImageList_Destroy(himl);
}
BOOL SelectNode(HWND hwndTV, LPCWSTR keyPath)
{
HTREEITEM hRoot, hItem;
HTREEITEM hChildItem;
WCHAR szPathPart[128];
WCHAR szBuffer[128];
LPCWSTR s;
TVITEMW tvi;
/* Load "My Computer" string... */
LoadStringW(hInst, IDS_MY_COMPUTER, szBuffer, COUNT_OF(szBuffer));
wcscat(szBuffer, L"\\");
/* ... and remove it from the key path */
if (!_wcsnicmp(keyPath, szBuffer, wcslen(szBuffer)))
keyPath += wcslen(szBuffer);
/* Reinitialize szBuffer */
szBuffer[0] = L'\0';
hRoot = TreeView_GetRoot(hwndTV);
hItem = hRoot;
while(keyPath[0])
{
s = wcschr(keyPath, L'\\');
lstrcpynW(szPathPart, keyPath, s ? s - keyPath + 1 : wcslen(keyPath) + 1);
/* Special case for root to expand root key abbreviations */
if (hItem == hRoot)
{
if (!_wcsicmp(szPathPart, L"HKCR"))
wcscpy(szPathPart, L"HKEY_CLASSES_ROOT");
else if (!_wcsicmp(szPathPart, L"HKCU"))
wcscpy(szPathPart, L"HKEY_CURRENT_USER");
else if (!_wcsicmp(szPathPart, L"HKLM"))
wcscpy(szPathPart, L"HKEY_LOCAL_MACHINE");
else if (!_wcsicmp(szPathPart, L"HKU"))
wcscpy(szPathPart, L"HKEY_USERS");
else if (!_wcsicmp(szPathPart, L"HKCC"))
wcscpy(szPathPart, L"HKEY_CURRENT_CONFIG");
else if (!_wcsicmp(szPathPart, L"HKDD"))
wcscpy(szPathPart, L"HKEY_DYN_DATA");
}
for (hChildItem = TreeView_GetChild(hwndTV, hItem); hChildItem;
hChildItem = TreeView_GetNextSibling(hwndTV, hChildItem))
{
memset(&tvi, 0, sizeof(tvi));
tvi.hItem = hChildItem;
tvi.mask = TVIF_TEXT | TVIF_CHILDREN;
tvi.pszText = szBuffer;
tvi.cchTextMax = COUNT_OF(szBuffer);
(void)TreeView_GetItem(hwndTV, &tvi);
if (!_wcsicmp(szBuffer, szPathPart))
break;
}
if (!hChildItem)
return FALSE;
if (tvi.cChildren > 0)
{
if (!TreeView_Expand(hwndTV, hChildItem, TVE_EXPAND))
return FALSE;
}
keyPath = s ? s + 1 : L"";
hItem = hChildItem;
}
(void)TreeView_SelectItem(hwndTV, hItem);
(void)TreeView_EnsureVisible(hwndTV, hItem);
return TRUE;
}
/* EOF */
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