using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using System.Windows.Forms;

namespace Salamax
{
  public static class KeyboardInfo
  {
    public static bool KeysEnabled = false;

    static KeyboardInfo() { }
    [DllImport("user32")]
    private static extern short GetKeyState(int vKey);
    public static KeyStateInfo GetKeyState(Keys key)
    {
      short keyState = GetKeyState((int)key);
      byte[] bits = BitConverter.GetBytes(keyState);
      bool toggled = bits[0] > 0, pressed = bits[1] > 0;
      return new KeyStateInfo(key, KeysEnabled ? pressed : false, toggled);
    }
  }


  public struct KeyStateInfo
  {
    Keys _key;
    bool _isPressed,
        _isToggled;
    public KeyStateInfo(Keys key,
                    bool ispressed,
                    bool istoggled)
    {
      _key = key;
      _isPressed = ispressed;
      _isToggled = istoggled;
    }
    public static KeyStateInfo Default
    {
      get
      {
        return new KeyStateInfo(Keys.None,
                                    false,
                                    false);
      }
    }
    public Keys Key
    {
      get { return _key; }
    }
    public bool IsPressed
    {
      get { return _isPressed; }
    }
    public bool IsToggled
    {
      get { return _isToggled; }
    }
  }
}