using System;
using System.Windows.Forms;

namespace NvCplAdjust
{
    public partial class frmHotkey : Form
    {
        private event callbackMethod m_callbackFunc;

        public delegate void callbackMethod(Keys Hotkey, Keys HotkeyModifiers);

        public frmHotkey(Keys Hotkey, Keys HotkeyModifiers, callbackMethod callbackFunc)
        {
            InitializeComponent();

            hkProfile.Hotkey = Hotkey;
            hkProfile.HotkeyModifiers = HotkeyModifiers;

            m_callbackFunc = callbackFunc;
        }

        private void btnOK_Click(object sender, EventArgs e)
        {
            if (hkProfile.Hotkey == Keys.F12 && hkProfile.HotkeyModifiers == Keys.None)
            {
                MessageBox.Show("The F12 key without any modifiers is reserved for system use only and will not function properly.",
                    Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);

                hkProfile.Focus();
                return;
            }

            if (m_callbackFunc != null)
            {
                // execute the callback method (if provided)
                m_callbackFunc.Invoke(hkProfile.Hotkey, hkProfile.HotkeyModifiers);
            }

            this.Close();
        }

        private void btnCancel_Click(object sender, EventArgs e)
        {
            this.Close();
        }
    }
}