Add value delete, and dword edit support.

programs/regedit/En.rc

@@ -132,6 +132,21 @@ BEGIN
     DEFPUSHBUTTON   "Cancel",IDCANCEL,175,60,30,11,WS_GROUP
 END
 
+IDD_EDIT_DWORD DIALOG DISCARDABLE  22, 17, 210, 100
+STYLE DS_MODALFRAME | WS_CAPTION | WS_SYSMENU
+CAPTION "Edit String"
+FONT 8, "System"
+BEGIN
+    LTEXT           "Value name:",IDC_STATIC,5,5,119,8
+    EDITTEXT        IDC_VALUE_NAME,5,15,200,12, WS_BORDER | WS_TABSTOP | WS_DISABLED
+    LTEXT           "Value data:",IDC_STATIC,5,30,90,8
+    EDITTEXT        IDC_VALUE_DATA,5,40,90,12, WS_BORDER | WS_TABSTOP
+    GROUPBOX        "Base", IDC_DWORD_BASE, 120, 30, 85, 37, BS_GROUPBOX
+    AUTORADIOBUTTON "Hexadecimal", IDC_DWORD_HEX, 130, 40, 60, 10, WS_TABSTOP
+    AUTORADIOBUTTON "Decimal", IDC_DWORD_DEC, 130, 52, 60, 10, WS_TABSTOP
+    DEFPUSHBUTTON   "OK",IDOK,140,80,30,11,WS_GROUP
+    DEFPUSHBUTTON   "Cancel",IDCANCEL,175,80,30,11,WS_GROUP
+END
 
 /*
  * String Table
@@ -201,6 +216,8 @@ BEGIN
     IDS_BAD_VALUE           "Can't query value '%s'"
     IDS_UNSUPPORTED_TYPE    "Can't edit keys of this type (%ld)"
     IDS_TOO_BIG_VALUE       "Value is too big (%ld)"
+    IDS_DELETE_BOX_TITLE    "Confirm Value Delete"
+    IDS_DELETE_BOX_TEXT     "Are you sure you want to delete value '%s'?"
     IDS_NEWKEY              "New Key"
 END
 

programs/regedit/edit.c

@@ -35,31 +35,58 @@
 
 static const TCHAR* editValueName;
 static TCHAR* stringValueData;
+static BOOL isDecimal;
 
-void error(HWND hwnd, INT resId, ...)
+INT vmessagebox(HWND hwnd, INT buttons, INT titleId, INT resId, va_list ap)
 {
-    va_list ap;
     TCHAR title[256];
     TCHAR errfmt[1024];
     TCHAR errstr[1024];
-    HINSTANCE hInstance;
 
-    hInstance = GetModuleHandle(0);
-
-    if (!LoadString(hInstance, IDS_ERROR, title, COUNT_OF(title)))
+    if (!LoadString(hInst, titleId, title, COUNT_OF(title)))
         lstrcpy(title, "Error");
 
-    if (!LoadString(hInstance, resId, errfmt, COUNT_OF(errfmt)))
+    if (!LoadString(hInst, resId, errfmt, COUNT_OF(errfmt)))
         lstrcpy(errfmt, "Unknown error string!");
 
-    va_start(ap, resId);
     _vsntprintf(errstr, COUNT_OF(errstr), errfmt, ap);
+
+    return MessageBox(hwnd, errstr, title, buttons);
+}
+
+INT messagebox(HWND hwnd, INT buttons, INT titleId, INT resId, ...)
+{
+    va_list ap;
+    INT result;
+
+    va_start(ap, resId);
+    result = vmessagebox(hwnd, buttons, titleId, resId, ap);
     va_end(ap);
 
-    MessageBox(hwnd, errstr, title, MB_OK | MB_ICONERROR);
+    return result;
 }
 
-INT_PTR CALLBACK modify_string_dlgproc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
+void error(HWND hwnd, INT resId, ...)
+{
+    va_list ap;
+
+    va_start(ap, resId);
+    vmessagebox(hwnd, MB_OK | MB_ICONERROR, IDS_ERROR, resId, ap);
+    va_end(ap);
+}
+
+BOOL change_dword_base(HWND hwndDlg, BOOL toHex)
+{
+    TCHAR buf[128];
+    DWORD val;
+
+    if (!GetDlgItemText(hwndDlg, IDC_VALUE_DATA, buf, COUNT_OF(buf))) return FALSE;
+    if (!_stscanf(buf, toHex ? "%ld" : "%lx", &val)) return FALSE;
+    wsprintf(buf, toHex ? "%lx" : "%ld", val);
+    return SetDlgItemText(hwndDlg, IDC_VALUE_DATA, buf);    
+}
+
+INT_PTR CALLBACK modify_dlgproc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
 {
     TCHAR* valueData;
     HWND hwndValue;
@@ -69,9 +96,16 @@ INT_PTR CALLBACK modify_string_dlgproc(HWND hwndDlg, UINT uMsg, WPARAM wParam, L
     case WM_INITDIALOG:
         SetDlgItemText(hwndDlg, IDC_VALUE_NAME, editValueName);
         SetDlgItemText(hwndDlg, IDC_VALUE_DATA, stringValueData);
+	CheckRadioButton(hwndDlg, IDC_DWORD_HEX, IDC_DWORD_DEC, isDecimal ? IDC_DWORD_DEC : IDC_DWORD_HEX);
         return TRUE;
     case WM_COMMAND:
         switch (LOWORD(wParam)) {
+        case IDC_DWORD_HEX:
+	    if (isDecimal && change_dword_base(hwndDlg, TRUE)) isDecimal = FALSE;
+	break;
+        case IDC_DWORD_DEC:
+	    if (!isDecimal && change_dword_base(hwndDlg, FALSE)) isDecimal = TRUE;
+	break;
         case IDOK:
             if ((hwndValue = GetDlgItem(hwndDlg, IDC_VALUE_DATA))) {
                 if ((len = GetWindowTextLength(hwndValue))) {
@@ -108,7 +142,7 @@ BOOL CreateKey(HKEY hKey)
     if (newKey[0] == 0) {
 	hInstance = GetModuleHandle(0);
 	if (!LoadString(hInstance, IDS_NEWKEY, newKey, COUNT_OF(newKey)))
-    	    lstrcpy(newKey, "new key");
+    	    lstrcpy(newKey, "New Key");
     }
     lstrcpy(keyName, newKey);
 
@@ -116,8 +150,8 @@ BOOL CreateKey(HKEY hKey)
 	We try it max 100 times. */
     lRet = RegOpenKey(hKey, keyName, &retKey);
     while (lRet == ERROR_SUCCESS && keyNum < 100) {
-	    sprintf(keyName, "%s %u", newKey, ++keyNum);
-	    lRet = RegOpenKey(hKey, keyName, &retKey);
+	wsprintf(keyName, "%s %u", newKey, ++keyNum);
+	lRet = RegOpenKey(hKey, keyName, &retKey);
     }
     if (lRet == ERROR_SUCCESS) return FALSE;
     
@@ -141,23 +175,31 @@ BOOL ModifyValue(HWND hwnd, HKEY hKey, LPCTSTR valueName)
         error(hwnd, IDS_BAD_VALUE, valueName);
         goto done;
     }
+    if ( type == REG_DWORD ) valueDataLen = 128;
+    if (!(stringValueData = HeapAlloc(GetProcessHeap(), 0, valueDataLen))) {
+        error(hwnd, IDS_TOO_BIG_VALUE, valueDataLen);
+        goto done;
+    }
+    lRet = RegQueryValueEx(hKey, valueName, 0, 0, stringValueData, &valueDataLen);
+    if (lRet != ERROR_SUCCESS) {
+        error(hwnd, IDS_BAD_VALUE, valueName);
+        goto done;
+    }
 
     if ( (type == REG_SZ) || (type == REG_EXPAND_SZ) ) {
-        if (!(stringValueData = HeapAlloc(GetProcessHeap(), 0, valueDataLen))) {
-            error(hwnd, IDS_TOO_BIG_VALUE, valueDataLen);
-            goto done;
-        }
-        lRet = RegQueryValueEx(hKey, valueName, 0, 0, stringValueData, &valueDataLen);
-        if (lRet != ERROR_SUCCESS) {
-            error(hwnd, IDS_BAD_VALUE, valueName);
-            goto done;
-        }
-        if (DialogBox(0, MAKEINTRESOURCE(IDD_EDIT_STRING), hwnd, modify_string_dlgproc) == IDOK) {
+        if (DialogBox(0, MAKEINTRESOURCE(IDD_EDIT_STRING), hwnd, modify_dlgproc) == IDOK) {
             lRet = RegSetValueEx(hKey, valueName, 0, type, stringValueData, lstrlen(stringValueData) + 1);
             if (lRet == ERROR_SUCCESS) result = TRUE;
         }
     } else if ( type == REG_DWORD ) {
-        MessageBox(hwnd, "Can't edit dwords for now", "Error", MB_OK | MB_ICONERROR);
+	wsprintf(stringValueData, isDecimal ? "%ld" : "%lx", *((DWORD*)stringValueData));
+	if (DialogBox(0, MAKEINTRESOURCE(IDD_EDIT_DWORD), hwnd, modify_dlgproc) == IDOK) {
+	     DWORD val;
+	     if (_stscanf(stringValueData, isDecimal ? "%ld" : "%lx", &val)) {
+		lRet = RegSetValueEx(hKey, valueName, 0, type, (BYTE*)&val, sizeof(val));
+	        if (lRet == ERROR_SUCCESS) result = TRUE;
+	     }
+	}
     } else {
         error(hwnd, IDS_UNSUPPORTED_TYPE, type);
     }
@@ -168,3 +210,19 @@ done:
 
     return result;
 }
+
+BOOL DeleteValue(HWND hwnd, HKEY hKey, LPCTSTR valueName)
+{
+    LONG lRet;
+
+    if (!hKey || !valueName) return FALSE;
+
+    if (messagebox(hwnd, MB_YESNO | MB_ICONEXCLAMATION, IDS_DELETE_BOX_TITLE, IDS_DELETE_BOX_TEXT, valueName) != IDYES)
+	return FALSE;
+
+    lRet = RegDeleteValue(hKey, valueName);
+    if (lRet != ERROR_SUCCESS) {
+        error(hwnd, IDS_BAD_VALUE, valueName);
+    }
+    return lRet == ERROR_SUCCESS;
+}

programs/regedit/framewnd.c

@@ -441,12 +441,11 @@ static BOOL _CmdWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
     BOOL result = TRUE;
     LONG lRet;
 
-    keyPath = GetItemPath(g_pChildWnd->hTreeWnd, 0, &hKeyRoot);
-    valueName = GetValueName(g_pChildWnd->hListWnd);
-    if (keyPath) {
-        lRet = RegOpenKeyEx(hKeyRoot, keyPath, 0, KEY_READ, &hKey);
+    if ((keyPath = GetItemPath(g_pChildWnd->hTreeWnd, 0, &hKeyRoot))) {
+        lRet = RegOpenKeyEx(hKeyRoot, keyPath, 0, KEY_ALL_ACCESS, &hKey);
         if (lRet != ERROR_SUCCESS) hKey = 0;
     }
+    valueName = GetValueName(g_pChildWnd->hListWnd);
 
     switch (LOWORD(wParam)) {
     case ID_REGISTRY_IMPORTREGISTRYFILE:
@@ -462,6 +461,10 @@ static BOOL _CmdWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
     case ID_REGISTRY_PRINT:
         PrintRegistryHive(hWnd, _T(""));
         break;
+    case ID_EDIT_DELETE:
+	if (DeleteValue(hWnd, hKey, valueName))
+	    RefreshListView(g_pChildWnd->hListWnd, hKeyRoot, keyPath);
+        break;
     case ID_EDIT_MODIFY:
         if (ModifyValue(hWnd, hKey, valueName))
             RefreshListView(g_pChildWnd->hListWnd, hKeyRoot, keyPath);

programs/regedit/main.h

@@ -93,7 +93,8 @@ extern BOOL OnTreeExpanding(HWND hWnd, NMTREEVIEW* pnmtv);
 extern LPCTSTR GetItemPath(HWND hwndTV, HTREEITEM hItem, HKEY* phRootKey);
 
 /* edit.c */
-BOOL CreateKey(HKEY hKey);
-BOOL ModifyValue(HWND hwnd, HKEY hKey, LPCTSTR valueName);
+extern BOOL CreateKey(HKEY hKey);
+extern BOOL ModifyValue(HWND hwnd, HKEY hKey, LPCTSTR valueName);
+extern BOOL DeleteValue(HWND hwnd, HKEY hKey, LPCTSTR valueName);
 
 #endif /* __MAIN_H__ */

programs/regedit/resource.h

@@ -106,7 +106,13 @@
 #define IDS_BAD_VALUE			32837
 #define IDS_UNSUPPORTED_TYPE		32838
 #define IDS_TOO_BIG_VALUE		32839
-#define IDS_NEWKEY			32840
+#define IDS_DELETE_BOX_TITLE		32840
+#define IDS_DELETE_BOX_TEXT		32841
+#define IDD_EDIT_DWORD			32850
+#define IDC_DWORD_BASE			32852
+#define IDC_DWORD_HEX			32853
+#define IDC_DWORD_DEC			32854
+#define IDS_NEWKEY			32860
 
 #define IDD_EDIT_STRING			2000
 #define IDC_VALUE_NAME			2001

programs/regedit/treeview.c

@@ -99,7 +99,6 @@ LPCTSTR GetItemPath(HWND hwndTV, HTREEITEM hItem, HKEY* phRootKey)
     if (!hItem) hItem = TreeView_GetSelection(hwndTV);
     if (!hItem) return NULL;
     if (!get_item_path(hwndTV, hItem, phRootKey, &pathBuffer, &pathLen, &maxLen)) return NULL;
-    printf("hRoot=%p, keyPath='%s'\n", *phRootKey, pathBuffer);
     return pathBuffer;
 }
 
@@ -235,7 +234,6 @@ BOOL OnTreeExpanding(HWND hwndTV, NMTREEVIEW* pnmtv)
 	    RegCloseKey(hKey);
 	}
 	if (errCode != ERROR_SUCCESS) dwSubCount = 0;
-	printf("dwSubCount=%ld, Name=%s\n", dwSubCount, Name);
         AddEntryToTree(hwndTV, pnmtv->itemNew.hItem, Name, NULL, dwSubCount);
     }
     RegCloseKey(hNewKey);