namespace zeroflag.Windows

{

    using System;

    using System.Drawing;

    using System.Runtime.InteropServices;

    using System.Windows.Forms;



    public static class WinAPI

    {

        public static IntPtr Build(int low, int high)

        {

            return (IntPtr) (((short) low) | (((short) high) << 0x10));

        }



        public static zeroflag.Windows.MouseButtons ConvertMouseButtons(System.Windows.Forms.MouseButtons value)

        {

            zeroflag.Windows.MouseButtons button = zeroflag.Windows.MouseButtons.None;

            if ((value & System.Windows.Forms.MouseButtons.Left) != System.Windows.Forms.MouseButtons.None)

            {

                button |= zeroflag.Windows.MouseButtons.MK_LBUTTON;

            }

            if ((value & System.Windows.Forms.MouseButtons.Right) != System.Windows.Forms.MouseButtons.None)

            {

                button |= zeroflag.Windows.MouseButtons.MK_RBUTTON;

            }

            if ((value & System.Windows.Forms.MouseButtons.Middle) != System.Windows.Forms.MouseButtons.None)

            {

                button |= zeroflag.Windows.MouseButtons.MK_MBUTTON;

            }

            if ((value & System.Windows.Forms.MouseButtons.XButton1) != System.Windows.Forms.MouseButtons.None)

            {

                button |= zeroflag.Windows.MouseButtons.MK_XBUTTON1;

            }

            if ((value & System.Windows.Forms.MouseButtons.XButton2) != System.Windows.Forms.MouseButtons.None)

            {

                button |= zeroflag.Windows.MouseButtons.MK_XBUTTON2;

            }

            return button;

        }



        public static IntPtr ConvertMousePosition(Point location)

        {

            return Build(location.X, location.Y);

        }



        [DllImport("user32.dll")]

        public static extern bool GetClientRect(IntPtr hWnd, ref LPRECT lpRect);

        [DllImport("user32.dll")]

        public static extern ulong GetLastError();

        [DllImport("user32.dll")]

        public static extern bool RegisterHotKey(IntPtr hWnd, int id, uint fsModifiers, uint vk);

        [DllImport("user32.dll")]

        public static extern bool RegisterHotKey(IntPtr hWnd, int id, ModKeys fsModifiers, Keys vk);

        [DllImport("user32.dll")]

        public static extern uint SendMessage(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam);

        [DllImport("user32.dll")]

        public static extern uint SendMessage(IntPtr hWnd, WindowsMessages msg, IntPtr wParam, IntPtr lParam);

        [DllImport("user32.dll")]

        public static extern bool UnregisterHotKey(IntPtr hWnd, int id);



        public static IntPtr NULL

        {

            get

            {

                return IntPtr.Zero;

            }

        }



        [StructLayout(LayoutKind.Sequential)]

        public struct LPRECT

        {

            public long left;

            public long top;

            public long right;

            public long bottom;

        }

    }

}