328 lines
10 KiB
C
328 lines
10 KiB
C
/*
|
|
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#define WIN32_LEAN_AND_MEAN /* Exclude rarely-used stuff from Windows headers */
|
|
|
|
#define NONAMELESSUNION
|
|
#define NONAMELESSSTRUCT
|
|
#include <windows.h>
|
|
#include <commctrl.h>
|
|
#include <stdlib.h>
|
|
#include <tchar.h>
|
|
#include <process.h>
|
|
#include <stdio.h>
|
|
|
|
#include "main.h"
|
|
|
|
/* Global variables and constants */
|
|
/* Image_Open, Image_Closed, and Image_Root - integer variables for indexes of the images. */
|
|
/* CX_BITMAP and CY_BITMAP - width and height of an icon. */
|
|
/* NUM_BITMAPS - number of bitmaps to add to the image list. */
|
|
int Image_Open;
|
|
int Image_Closed;
|
|
int Image_Root;
|
|
|
|
static LPTSTR pathBuffer;
|
|
|
|
#define CX_ICON 16
|
|
#define CY_ICON 16
|
|
#define NUM_ICONS 3
|
|
|
|
static BOOL get_item_path(HWND hwndTV, HTREEITEM hItem, HKEY* phKey, LPTSTR* pKeyPath, int* pPathLen, int* pMaxLen)
|
|
{
|
|
TVITEM item;
|
|
int maxLen, len;
|
|
LPTSTR 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] = _T('\\');
|
|
++(*pPathLen);
|
|
}
|
|
|
|
do {
|
|
item.mask = TVIF_TEXT;
|
|
item.hItem = hItem;
|
|
item.pszText = *pKeyPath + *pPathLen;
|
|
item.cchTextMax = maxLen = *pMaxLen - *pPathLen;
|
|
if (!TreeView_GetItem(hwndTV, &item)) return FALSE;
|
|
len = _tcslen(item.pszText);
|
|
if (len < maxLen - 1) {
|
|
*pPathLen += len;
|
|
break;
|
|
}
|
|
newStr = HeapReAlloc(GetProcessHeap(), 0, *pKeyPath, *pMaxLen * 2);
|
|
if (!newStr) return FALSE;
|
|
*pKeyPath = newStr;
|
|
*pMaxLen *= 2;
|
|
} while(TRUE);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
LPCTSTR GetItemPath(HWND hwndTV, HTREEITEM hItem, HKEY* phRootKey)
|
|
{
|
|
int pathLen = 0, maxLen;
|
|
|
|
if (!pathBuffer) pathBuffer = HeapAlloc(GetProcessHeap(), 0, 1024);
|
|
if (!pathBuffer) return NULL;
|
|
*pathBuffer = 0;
|
|
maxLen = HeapSize(GetProcessHeap(), 0, pathBuffer);
|
|
if (maxLen == (SIZE_T) - 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);
|
|
}
|
|
|
|
static HTREEITEM AddEntryToTree(HWND hwndTV, HTREEITEM hParent, LPTSTR label, HKEY hKey, DWORD dwChildren)
|
|
{
|
|
TVITEM tvi;
|
|
TVINSERTSTRUCT tvins;
|
|
|
|
tvi.mask = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_CHILDREN | TVIF_PARAM;
|
|
tvi.pszText = label;
|
|
tvi.cchTextMax = lstrlen(tvi.pszText);
|
|
tvi.iImage = Image_Closed;
|
|
tvi.iSelectedImage = Image_Open;
|
|
tvi.cChildren = dwChildren;
|
|
tvi.lParam = (LPARAM)hKey;
|
|
tvins.u.item = tvi;
|
|
tvins.hInsertAfter = (HTREEITEM)(hKey ? TVI_LAST : TVI_SORT);
|
|
tvins.hParent = hParent;
|
|
return TreeView_InsertItem(hwndTV, &tvins);
|
|
}
|
|
|
|
|
|
HTREEITEM InsertNode(HWND hwndTV, HTREEITEM hItem, LPTSTR name)
|
|
{
|
|
TCHAR buf[MAX_NEW_KEY_LEN];
|
|
HTREEITEM hNewItem = 0;
|
|
TVITEMEX item;
|
|
|
|
if (!hItem) hItem = TreeView_GetSelection(hwndTV);
|
|
if (!hItem) return FALSE;
|
|
if (TreeView_GetItemState(hwndTV, hItem, TVIS_EXPANDEDONCE)) {
|
|
hNewItem = AddEntryToTree(hwndTV, hItem, name, 0, 0);
|
|
} else {
|
|
item.mask = TVIF_CHILDREN | TVIF_HANDLE;
|
|
item.hItem = hItem;
|
|
if (!TreeView_GetItem(hwndTV, &item)) return FALSE;
|
|
item.cChildren = 1;
|
|
if (!TreeView_SetItem(hwndTV, &item)) return FALSE;
|
|
}
|
|
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 (lstrcmp(name, item.pszText) == 0) break;
|
|
}
|
|
}
|
|
if (hNewItem) 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, LPTSTR pHostName)
|
|
{
|
|
TVITEM tvi;
|
|
TVINSERTSTRUCT 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 = lstrlen(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.u.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, _T("HKEY_CLASSES_ROOT"), HKEY_CLASSES_ROOT, 1)) return FALSE;
|
|
if (!AddEntryToTree(hwndTV, hRoot, _T("HKEY_CURRENT_USER"), HKEY_CURRENT_USER, 1)) return FALSE;
|
|
if (!AddEntryToTree(hwndTV, hRoot, _T("HKEY_LOCAL_MACHINE"), HKEY_LOCAL_MACHINE, 1)) return FALSE;
|
|
if (!AddEntryToTree(hwndTV, hRoot, _T("HKEY_USERS"), HKEY_USERS, 1)) return FALSE;
|
|
if (!AddEntryToTree(hwndTV, hRoot, _T("HKEY_CURRENT_CONFIG"), HKEY_CURRENT_CONFIG, 1)) return FALSE;
|
|
|
|
/* expand and select host name */
|
|
TreeView_Expand(hwndTV, hRoot, TVE_EXPAND);
|
|
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(CX_ICON, CY_ICON,
|
|
ILC_MASK, 0, NUM_ICONS)) == NULL)
|
|
return FALSE;
|
|
|
|
/* Add the open file, closed file, and document bitmaps. */
|
|
hico = LoadIcon(hInst, MAKEINTRESOURCE(IDI_OPEN_FILE));
|
|
Image_Open = ImageList_AddIcon(himl, hico);
|
|
|
|
hico = LoadIcon(hInst, MAKEINTRESOURCE(IDI_CLOSED_FILE));
|
|
Image_Closed = ImageList_AddIcon(himl, hico);
|
|
|
|
hico = LoadIcon(hInst, MAKEINTRESOURCE(IDI_ROOT));
|
|
Image_Root = ImageList_AddIcon(himl, hico);
|
|
|
|
/* Fail if not all of the images were added. */
|
|
if (ImageList_GetImageCount(himl) < NUM_ICONS)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
/* Associate the image list with the tree view control. */
|
|
TreeView_SetImageList(hwndTV, himl, TVSIL_NORMAL);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL OnTreeExpanding(HWND hwndTV, NMTREEVIEW* pnmtv)
|
|
{
|
|
DWORD dwCount, dwIndex, dwMaxSubKeyLen;
|
|
HKEY hRoot, hNewKey, hKey;
|
|
LPCTSTR keyPath;
|
|
LPTSTR 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));
|
|
SendMessage(hwndTV, WM_SETREDRAW, FALSE, 0);
|
|
|
|
keyPath = GetItemPath(hwndTV, pnmtv->itemNew.hItem, &hRoot);
|
|
if (!keyPath) goto done;
|
|
|
|
if (*keyPath) {
|
|
errCode = RegOpenKeyEx(hRoot, keyPath, 0, KEY_READ, &hNewKey);
|
|
if (errCode != ERROR_SUCCESS) goto done;
|
|
} else {
|
|
hNewKey = hRoot;
|
|
}
|
|
|
|
errCode = RegQueryInfoKey(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(TCHAR));
|
|
if (!Name) goto done;
|
|
|
|
for (dwIndex = 0; dwIndex < dwCount; dwIndex++) {
|
|
DWORD cName = dwMaxSubKeyLen, dwSubCount;
|
|
FILETIME LastWriteTime;
|
|
|
|
errCode = RegEnumKeyEx(hNewKey, dwIndex, Name, &cName, 0, 0, 0, &LastWriteTime);
|
|
if (errCode != ERROR_SUCCESS) continue;
|
|
errCode = RegOpenKeyEx(hNewKey, Name, 0, KEY_QUERY_VALUE, &hKey);
|
|
if (errCode == ERROR_SUCCESS) {
|
|
errCode = RegQueryInfoKey(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);
|
|
}
|
|
RegCloseKey(hNewKey);
|
|
HeapFree(GetProcessHeap(), 0, Name);
|
|
|
|
done:
|
|
SendMessage(hwndTV, WM_SETREDRAW, TRUE, 0);
|
|
SetCursor(hcursorOld);
|
|
expanding = FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*
|
|
* 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, LPTSTR pHostName, int 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 = CreateWindowEx(WS_EX_CLIENTEDGE, WC_TREEVIEW, _T("Tree View"),
|
|
WS_VISIBLE | WS_CHILD | WS_TABSTOP | TVS_HASLINES | TVS_HASBUTTONS | TVS_LINESATROOT,
|
|
0, 0, rcClient.right, rcClient.bottom,
|
|
hwndParent, (HMENU)id, hInst, NULL);
|
|
/* Initialize the image list, and add items to the control. */
|
|
if (!InitTreeViewImageLists(hwndTV) || !InitTreeViewItems(hwndTV, pHostName)) {
|
|
DestroyWindow(hwndTV);
|
|
return NULL;
|
|
}
|
|
return hwndTV;
|
|
}
|