2 * Registry editing UI functions.
4 * Copyright (C) 2003 Dimitrie O. Paun
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.
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.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #define WIN32_LEAN_AND_MEAN /* Exclude rarely-used stuff from Windows headers */
37 static const TCHAR* editValueName;
38 static TCHAR* stringValueData;
39 static BOOL isDecimal;
41 INT vmessagebox(HWND hwnd, INT buttons, INT titleId, INT resId, va_list ap)
47 if (!LoadString(hInst, titleId, title, COUNT_OF(title)))
48 lstrcpy(title, "Error");
50 if (!LoadString(hInst, resId, errfmt, COUNT_OF(errfmt)))
51 lstrcpy(errfmt, "Unknown error string!");
53 _vsntprintf(errstr, COUNT_OF(errstr), errfmt, ap);
55 return MessageBox(hwnd, errstr, title, buttons);
58 INT messagebox(HWND hwnd, INT buttons, INT titleId, INT resId, ...)
64 result = vmessagebox(hwnd, buttons, titleId, resId, ap);
70 void error(HWND hwnd, INT resId, ...)
75 vmessagebox(hwnd, MB_OK | MB_ICONERROR, IDS_ERROR, resId, ap);
79 BOOL change_dword_base(HWND hwndDlg, BOOL toHex)
84 if (!GetDlgItemText(hwndDlg, IDC_VALUE_DATA, buf, COUNT_OF(buf))) return FALSE;
85 if (!_stscanf(buf, toHex ? "%ld" : "%lx", &val)) return FALSE;
86 wsprintf(buf, toHex ? "%lx" : "%ld", val);
87 return SetDlgItemText(hwndDlg, IDC_VALUE_DATA, buf);
90 INT_PTR CALLBACK modify_dlgproc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
98 SetDlgItemText(hwndDlg, IDC_VALUE_NAME, editValueName);
99 SetDlgItemText(hwndDlg, IDC_VALUE_DATA, stringValueData);
100 CheckRadioButton(hwndDlg, IDC_DWORD_HEX, IDC_DWORD_DEC, isDecimal ? IDC_DWORD_DEC : IDC_DWORD_HEX);
103 switch (LOWORD(wParam)) {
105 if (isDecimal && change_dword_base(hwndDlg, TRUE)) isDecimal = FALSE;
108 if (!isDecimal && change_dword_base(hwndDlg, FALSE)) isDecimal = TRUE;
111 if ((hwndValue = GetDlgItem(hwndDlg, IDC_VALUE_DATA))) {
112 len = GetWindowTextLength(hwndValue);
113 if ((valueData = HeapReAlloc(GetProcessHeap(), 0, stringValueData, (len + 1) * sizeof(TCHAR)))) {
114 stringValueData = valueData;
115 if (!GetWindowText(hwndValue, stringValueData, len + 1))
116 *stringValueData = 0;
121 EndDialog(hwndDlg, wParam);
128 static BOOL check_value(HWND hwnd, HKEY hKey, LPCTSTR valueName)
130 LONG lRet = RegQueryValueEx(hKey, valueName ? valueName : _T(""), 0, NULL, 0, NULL);
131 if(lRet != ERROR_SUCCESS) return FALSE;
135 static LPTSTR read_value(HWND hwnd, HKEY hKey, LPCTSTR valueName, DWORD *lpType, LONG *len)
138 LPTSTR buffer = NULL;
141 lRet = RegQueryValueEx(hKey, valueName ? valueName : _T(""), 0, lpType, 0, &valueDataLen);
142 if (lRet != ERROR_SUCCESS) {
143 if (lRet == ERROR_FILE_NOT_FOUND && !valueName) { /* no default value here, make it up */
145 if (lpType) *lpType = REG_SZ;
146 buffer = HeapAlloc(GetProcessHeap(), 0, 1);
150 error(hwnd, IDS_BAD_VALUE, valueName);
153 if ( *lpType == REG_DWORD ) valueDataLen = sizeof(DWORD);
154 if (!(buffer = HeapAlloc(GetProcessHeap(), 0, valueDataLen))) {
155 error(hwnd, IDS_TOO_BIG_VALUE, valueDataLen);
158 lRet = RegQueryValueEx(hKey, valueName, 0, 0, buffer, &valueDataLen);
159 if (lRet != ERROR_SUCCESS) {
160 error(hwnd, IDS_BAD_VALUE, valueName);
164 if(len) *len = valueDataLen;
168 HeapFree(GetProcessHeap(), 0, buffer);
172 BOOL CreateKey(HWND hwnd, HKEY hKeyRoot, LPCTSTR keyPath, LPTSTR keyName)
175 LONG lRet = ERROR_SUCCESS;
177 TCHAR newKey[MAX_NEW_KEY_LEN - 4];
181 lRet = RegOpenKeyEx(hKeyRoot, keyPath, 0, KEY_CREATE_SUB_KEY, &hKey);
182 if (lRet != ERROR_SUCCESS) return FALSE;
184 if (!LoadString(GetModuleHandle(0), IDS_NEWKEY, newKey, COUNT_OF(newKey))) goto done;
186 /* try to find out a name for the newly create key (max 100 times) */
187 for (keyNum = 1; keyNum < 100; keyNum++) {
188 wsprintf(keyName, newKey, keyNum);
189 lRet = RegOpenKey(hKey, keyName, &retKey);
190 if (lRet != ERROR_SUCCESS) break;
193 if (lRet == ERROR_SUCCESS) goto done;
195 lRet = RegCreateKey(hKey, keyName, &retKey);
196 if (lRet != ERROR_SUCCESS) goto done;
204 BOOL ModifyValue(HWND hwnd, HKEY hKeyRoot, LPCTSTR keyPath, LPCTSTR valueName)
211 lRet = RegOpenKeyEx(hKeyRoot, keyPath, 0, KEY_READ | KEY_SET_VALUE, &hKey);
212 if (lRet != ERROR_SUCCESS) return FALSE;
214 editValueName = valueName ? valueName : g_pszDefaultValueName;
215 if(!(stringValueData = read_value(hwnd, hKey, valueName, &type, 0))) goto done;
217 if ( (type == REG_SZ) || (type == REG_EXPAND_SZ) ) {
218 if (DialogBox(0, MAKEINTRESOURCE(IDD_EDIT_STRING), hwnd, modify_dlgproc) == IDOK) {
219 lRet = RegSetValueEx(hKey, valueName, 0, type, stringValueData, lstrlen(stringValueData) + 1);
220 if (lRet == ERROR_SUCCESS) result = TRUE;
222 } else if ( type == REG_DWORD ) {
223 wsprintf(stringValueData, isDecimal ? "%ld" : "%lx", *((DWORD*)stringValueData));
224 if (DialogBox(0, MAKEINTRESOURCE(IDD_EDIT_DWORD), hwnd, modify_dlgproc) == IDOK) {
226 if (_stscanf(stringValueData, isDecimal ? "%ld" : "%lx", &val)) {
227 lRet = RegSetValueEx(hKey, valueName, 0, type, (BYTE*)&val, sizeof(val));
228 if (lRet == ERROR_SUCCESS) result = TRUE;
232 error(hwnd, IDS_UNSUPPORTED_TYPE, type);
236 HeapFree(GetProcessHeap(), 0, stringValueData);
237 stringValueData = NULL;
242 BOOL DeleteKey(HWND hwnd, HKEY hKeyRoot, LPCTSTR keyPath)
248 lRet = RegOpenKeyEx(hKeyRoot, keyPath, 0, KEY_READ|KEY_SET_VALUE, &hKey);
249 if (lRet != ERROR_SUCCESS) return FALSE;
251 if (messagebox(hwnd, MB_YESNO | MB_ICONEXCLAMATION, IDS_DELETE_BOX_TITLE, IDS_DELETE_BOX_TEXT, keyPath) != IDYES)
254 lRet = SHDeleteKey(hKeyRoot, keyPath);
255 if (lRet != ERROR_SUCCESS) {
256 error(hwnd, IDS_BAD_KEY, keyPath);
266 BOOL DeleteValue(HWND hwnd, HKEY hKeyRoot, LPCTSTR keyPath, LPCTSTR valueName)
271 LPCSTR visibleValueName = valueName ? valueName : g_pszDefaultValueName;
273 lRet = RegOpenKeyEx(hKeyRoot, keyPath, 0, KEY_READ | KEY_SET_VALUE, &hKey);
274 if (lRet != ERROR_SUCCESS) return FALSE;
276 if (messagebox(hwnd, MB_YESNO | MB_ICONEXCLAMATION, IDS_DELETE_BOX_TITLE, IDS_DELETE_BOX_TEXT, visibleValueName) != IDYES)
279 lRet = RegDeleteValue(hKey, valueName ? valueName : "");
280 if (lRet != ERROR_SUCCESS && valueName) {
281 error(hwnd, IDS_BAD_VALUE, valueName);
283 if (lRet != ERROR_SUCCESS) goto done;
291 BOOL CreateValue(HWND hwnd, HKEY hKeyRoot, LPCTSTR keyPath, DWORD valueType, LPTSTR valueName)
293 LONG lRet = ERROR_SUCCESS;
295 DWORD valueDword = 0;
300 lRet = RegOpenKeyEx(hKeyRoot, keyPath, 0, KEY_READ | KEY_SET_VALUE, &hKey);
301 if (lRet != ERROR_SUCCESS) return FALSE;
303 if (!LoadString(GetModuleHandle(0), IDS_NEWVALUE, newValue, COUNT_OF(newValue))) goto done;
305 /* try to find out a name for the newly create key (max 100 times) */
306 for (valueNum = 1; valueNum < 100; valueNum++) {
307 wsprintf(valueName, newValue, valueNum);
308 lRet = RegQueryValueEx(hKey, valueName, 0, 0, 0, 0);
309 if (lRet != ERROR_SUCCESS) break;
311 if (lRet == ERROR_SUCCESS) goto done;
313 lRet = RegSetValueEx(hKey, valueName, 0, valueType, (BYTE*)&valueDword, sizeof(DWORD));
314 if (lRet != ERROR_SUCCESS) goto done;
322 BOOL RenameValue(HWND hwnd, HKEY hKeyRoot, LPCTSTR keyPath, LPCTSTR oldName, LPCTSTR newName)
330 if (!oldName) return FALSE;
331 if (!newName) return FALSE;
333 lRet = RegOpenKeyEx(hKeyRoot, keyPath, 0, KEY_READ | KEY_SET_VALUE, &hKey);
334 if (lRet != ERROR_SUCCESS) return FALSE;
335 /* check if value already exists */
336 if (check_value(hwnd, hKey, newName)) goto done;
337 value = read_value(hwnd, hKey, oldName, &type, &len);
338 if(!value) goto done;
339 lRet = RegSetValueEx(hKey, newName, 0, type, (BYTE*)value, len);
340 if (lRet != ERROR_SUCCESS) goto done;
341 lRet = RegDeleteValue(hKey, oldName);
342 if (lRet != ERROR_SUCCESS) {
343 RegDeleteValue(hKey, newName);
349 HeapFree(GetProcessHeap(), 0, value);
355 BOOL RenameKey(HWND hwnd, HKEY hRootKey, LPCTSTR keyPath, LPCTSTR newName)
357 LPTSTR parentPath = 0;
358 LPCTSTR srcSubKey = 0;
364 if (!keyPath || !newName) return FALSE;
366 if (!strrchr(keyPath, '\\')) {
367 parentKey = hRootKey;
370 parentPath = strdup(keyPath);
371 srcSubKey = strrchr(parentPath, '\\') + 1;
372 *((LPTSTR)srcSubKey - 1) = 0;
373 lRet = RegOpenKeyEx(hRootKey, parentPath, 0, KEY_READ | KEY_CREATE_SUB_KEY, &parentKey);
374 if (lRet != ERROR_SUCCESS) goto done;
377 lRet = RegCreateKey(parentKey, newName, &destKey);
378 if (lRet != ERROR_SUCCESS) goto done;
380 /* FIXME: SHCopyKey does not copy the security attributes */
381 lRet = SHCopyKey(parentKey, srcSubKey, destKey, 0);
382 if (lRet != ERROR_SUCCESS) goto done;
384 lRet = SHDeleteKey(hRootKey, keyPath);
385 if (lRet != ERROR_SUCCESS) goto done;
390 RegCloseKey(destKey);
392 RegCloseKey(parentKey);