ColorControl/Shared/Common/ShortcutStruct.cs

using ColorControl.Shared.Native;
using System.ComponentModel;
using System.Runtime.InteropServices;

namespace ColorControl.Shared.Common
{
    internal class ShortcutStruct
    {
        private static readonly NLog.Logger Logger = NLog.LogManager.GetCurrentClassLogger();

        public int VirtualKeyCode { get; private set; }
        public int Modifiers { get; private set; }
        public int Id { get; }
        public string Shortcut { get; private set; }
        public bool HotKeyRegistered { get; set; }

        public ShortcutStruct(int modifiers, int virtualKeyCode, int id, string shortcut)
        {
            VirtualKeyCode = virtualKeyCode;
            Modifiers = modifiers;
            Id = id;
            Shortcut = shortcut;
        }

        internal void SetModifiers(int mods)
        {
            Modifiers = mods;
        }

        internal void SetKey(int key)
        {
            VirtualKeyCode = key;
        }

        internal void SetShortcut(string shortcut)
        {
            Shortcut = shortcut;
        }

        internal bool RegisterHotKey(nint handle)
        {
            var result = WinApi.RegisterHotKey(handle, Id, Modifiers, VirtualKeyCode);
            if (!result)
            {
                var errorMessage = new Win32Exception(Marshal.GetLastWin32Error()).Message;
                Logger.Error($"Could not register shortcut {Shortcut}: {errorMessage}");
            }
            else
            {
                HotKeyRegistered = true;
            }

            return result;
        }

        internal void UnregisterHotKey(nint handle)
        {
            if (!HotKeyRegistered)
            {
                return;
            }

            WinApi.UnregisterHotKey(handle, Id);

            HotKeyRegistered = false;
        }
    }
}