+/*
+ * ReactOS
+ * Copyright (C) 2004 ReactOS Team
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/* $Id: environment.c,v 1.1 2004/07/02 20:28:00 ekohl Exp $
+ *
+ * PROJECT: ReactOS System Control Panel
+ * FILE: lib/cpl/sysdm/environment.c
+ * PURPOSE: Environment variable settings
+ * PROGRAMMER: Eric Kohl
+ */
+
+#include <windows.h>
+#include <commctrl.h>
+#include <stdlib.h>
+#include <tchar.h>
+
+#include "resource.h"
+#include "sysdm.h"
+
+
+static VOID
+SetEnvironmentVariables(HWND hwndListView,
+ HKEY hRootKey,
+ LPTSTR lpSubKeyName)
+{
+ HKEY hKey;
+ DWORD dwValues;
+ DWORD dwMaxValueNameLength;
+ DWORD dwMaxValueDataLength;
+ DWORD i;
+ LPTSTR lpName;
+ LPTSTR lpData;
+ LPTSTR lpExpandData;
+ DWORD dwNameLength;
+ DWORD dwDataLength;
+ DWORD dwType;
+
+ LV_ITEM lvi;
+ int nIndex;
+
+ if (RegOpenKeyEx(hRootKey,
+ lpSubKeyName,
+ 0,
+ KEY_READ,
+ &hKey))
+ return;
+
+ if (RegQueryInfoKey(hKey,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ &dwValues,
+ &dwMaxValueNameLength,
+ &dwMaxValueDataLength,
+ NULL,
+ NULL))
+ {
+ RegCloseKey(hKey);
+ return;
+ }
+
+ lpName = GlobalAlloc(GPTR, (dwMaxValueNameLength + 1) * sizeof(TCHAR));
+ if (lpName == NULL)
+ {
+ RegCloseKey(hKey);
+ return;
+ }
+
+ lpData = GlobalAlloc(GPTR, (dwMaxValueDataLength + 1) * sizeof(TCHAR));
+ if (lpData == NULL)
+ {
+ GlobalFree(lpData);
+ RegCloseKey(hKey);
+ return;
+ }
+
+ for (i = 0; i < dwValues; i++)
+ {
+ dwNameLength = dwMaxValueNameLength + 1;
+ dwDataLength = dwMaxValueDataLength + 1;
+ if (RegEnumValue(hKey,
+ i,
+ lpName,
+ &dwNameLength,
+ NULL,
+ &dwType,
+ (LPBYTE)lpData,
+ &dwDataLength))
+ {
+ GlobalFree(lpName);
+ GlobalFree(lpData);
+ RegCloseKey(hKey);
+ return;
+ }
+
+ if (dwType == REG_EXPAND_SZ)
+ {
+ lpExpandData = GlobalAlloc(GPTR, MAX_PATH * sizeof(TCHAR));
+ if (lpExpandData == NULL)
+ {
+ GlobalFree(lpName);
+ GlobalFree(lpData);
+ RegCloseKey(hKey);
+ return;
+ }
+
+ ExpandEnvironmentStrings(lpData,
+ lpExpandData,
+ MAX_PATH);
+ }
+
+ memset(&lvi, 0x00, sizeof(lvi));
+ lvi.mask = LVIF_TEXT | LVIF_STATE;
+ lvi.pszText = lpName;
+ lvi.state=0;
+ nIndex = ListView_InsertItem(hwndListView, &lvi);
+
+ if (dwType == REG_EXPAND_SZ)
+ {
+ ListView_SetItemText(hwndListView, nIndex, 1, lpExpandData);
+ GlobalFree(lpExpandData);
+ }
+ else
+ {
+ ListView_SetItemText(hwndListView, nIndex, 1, lpData);
+ }
+ }
+
+ GlobalFree(lpName);
+ GlobalFree(lpData);
+ RegCloseKey(hKey);
+}
+
+
+static VOID
+SetListViewColumns(HWND hwndListView)
+{
+ RECT rect;
+ LV_COLUMN column;
+
+ GetClientRect(hwndListView, &rect);
+
+ memset(&column, 0x00, sizeof(column));
+ column.mask=LVCF_FMT | LVCF_WIDTH | LVCF_SUBITEM|LVCF_TEXT;
+ column.fmt=LVCFMT_LEFT;
+ column.cx = (rect.right - rect.left) / 3;
+ column.iSubItem = 0;
+ column.pszText = _T("Variable");
+ ListView_InsertColumn(hwndListView, 0, &column);
+
+ column.cx = (rect.right - rect.left) - ((rect.right - rect.left) / 3) - 1;
+ column.iSubItem = 1;
+ column.pszText = _T("Value");
+ ListView_InsertColumn(hwndListView, 1, &column);
+}
+
+
+static VOID
+OnInitDialog(HWND hwndDlg)
+{
+ HWND hwndListView;
+
+ /* Set user environment variables */
+ hwndListView = GetDlgItem(hwndDlg, IDC_USER_VARIABLE_LIST);
+
+ SetListViewColumns(hwndListView);
+
+ SetEnvironmentVariables(hwndListView,
+ HKEY_CURRENT_USER,
+ _T("Environment"));
+
+ ListView_SetColumnWidth(hwndListView,2,LVSCW_AUTOSIZE_USEHEADER);
+ ListView_Update(hwndListView,0);
+
+
+ /* Set system environment variables */
+ hwndListView = GetDlgItem(hwndDlg, IDC_SYSTEM_VARIABLE_LIST);
+
+ SetListViewColumns(hwndListView);
+
+ SetEnvironmentVariables(hwndListView,
+ HKEY_LOCAL_MACHINE,
+ _T("SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Environment"));
+
+ ListView_SetColumnWidth(hwndListView,2,LVSCW_AUTOSIZE_USEHEADER);
+ ListView_Update(hwndListView,0);
+}
+
+
+/* Environment dialog procedure */
+BOOL CALLBACK
+EnvironmentDlgProc(HWND hwndDlg,
+ UINT uMsg,
+ WPARAM wParam,
+ LPARAM lParam)
+{
+ switch (uMsg)
+ {
+ case WM_INITDIALOG:
+ OnInitDialog(hwndDlg);
+ break;
+
+ case WM_COMMAND:
+ switch (LOWORD(wParam))
+ {
+ case IDC_USER_VARIABLE_NEW:
+ case IDC_USER_VARIABLE_EDIT:
+ case IDC_USER_VARIABLE_DELETE:
+ break;
+
+ case IDC_SYSTEM_VARIABLE_NEW:
+ case IDC_SYSTEM_VARIABLE_EDIT:
+ case IDC_SYSTEM_VARIABLE_DELETE:
+ break;
+
+ case IDOK:
+ EndDialog(hwndDlg, 0);
+ return TRUE;
+
+ case IDCANCEL:
+ EndDialog(hwndDlg, 0);
+ return TRUE;
+ }
+ break;
+ }
+
+ return FALSE;
+}
+
+/* EOF */
projects / reactos.git / commitdiff