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LibreHardwareMonitor-0.9.4/LibreHardwareMonitor/UI/UserRadioGroup.cs

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+// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
+// Copyright (C) LibreHardwareMonitor and Contributors.
+// Partial Copyright (C) Michael Möller <mmoeller@openhardwaremonitor.org> and Contributors.
+// All Rights Reserved.
+
+using System;
+using System.Windows.Forms;
+using LibreHardwareMonitor.Utilities;
+
+namespace LibreHardwareMonitor.UI;
+
+public class UserRadioGroup
+{
+    private readonly string _name;
+    private int _value;
+    private readonly ToolStripMenuItem[] _menuItems;
+    private event EventHandler _changed;
+    private readonly PersistentSettings _settings;
+
+    public UserRadioGroup(string name, int value, ToolStripMenuItem[] menuItems, PersistentSettings settings)
+    {
+        _settings = settings;
+        _name = name;
+        _value = name != null ? settings.GetValue(name, value) : value;
+        _menuItems = menuItems;
+        _value = Math.Max(Math.Min(_value, menuItems.Length - 1), 0);
+
+        for (int i = 0; i < _menuItems.Length; i++)
+        {
+            _menuItems[i].Checked = i == _value;
+            int index = i;
+            _menuItems[i].Click += delegate
+            {
+                Value = index;
+            };
+        }
+    }
+
+    public int Value
+    {
+        get { return _value; }
+        set
+        {
+            if (_value != value)
+            {
+                _value = value;
+                if (_name != null)
+                    _settings.SetValue(_name, value);
+                for (int i = 0; i < _menuItems.Length; i++)
+                    _menuItems[i].Checked = i == value;
+                _changed?.Invoke(this, null);
+            }
+        }
+    }
+
+    public event EventHandler Changed
+    {
+        add
+        {
+            _changed += value;
+            _changed?.Invoke(this, null);
+        }
+        remove
+        {
+            _changed -= value;
+        }
+    }
+}