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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
using System;
using Microsoft.Win32;
namespace QtVsTools.Core.Common
{
public static partial class Utils
{
public static void CopyRegistryKeys(string sourcePath, string destinationPath)
{
using var sourceKey = Registry.CurrentUser.OpenSubKey(sourcePath);
using var destinationKey = Registry.CurrentUser.CreateSubKey(destinationPath);
// Copy values
foreach (var valueName in sourceKey?.GetValueNames() ?? Array.Empty<string>()) {
if (sourceKey?.GetValue(valueName) is { } value)
destinationKey?.SetValue(valueName, value);
}
// Recursively copy sub keys
foreach (var subKeyName in sourceKey?.GetSubKeyNames() ?? Array.Empty<string>()) {
var subKeyPath = $"{sourcePath}\\{subKeyName}";
CopyRegistryKeys(subKeyPath, $"{destinationPath}\\{subKeyName}");
}
}
public static void MoveRegistryKeys(string sourcePath, string destinationPath)
{
// Copy keys and values
CopyRegistryKeys(sourcePath, destinationPath);
// Delete source keys recursively
Registry.CurrentUser.DeleteSubKeyTree(sourcePath, false);
}
/// <summary>
/// Sets a registry key to a specified value if it hasn't been set before, and marks it as
/// changed.
/// </summary>
/// <param name="registryPath">The path to the registry key.</param>
/// <param name="keyToChange">The name of the key to set.</param>
/// <param name="newValue">The new value to set for the key.</param>
/// <param name="valueKind">The kind of value to set (e.g., DWord, String).</param>
/// <param name="indicatorKey">The name of the key to indicate the change has been made.</param>
public static void SetRegistryKeyOnce(string registryPath, string keyToChange,
object newValue, RegistryValueKind valueKind, string indicatorKey)
{
using var key = Registry.CurrentUser.OpenSubKey(registryPath, true)
?? Registry.CurrentUser.CreateSubKey(registryPath); // Key does not exist, create.
// Check if the change indicator key exists and is set to true
var changeIndicatorValue = key?.GetValue(indicatorKey);
if (changeIndicatorValue != null && (int)changeIndicatorValue == 1)
return;
key?.SetValue(keyToChange, newValue, valueKind);
key?.SetValue(indicatorKey, 1, RegistryValueKind.DWord);
}
}
}
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