JoystickBallEventArgs.cs :  » Game » SDL » SdlDotNet » Input » C# / CSharp Open Source

#region LICENSE
/*
 * Copyright (C) 2004 - 2007 David Hudson (jendave@yahoo.com)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
#endregion LICENSE

using System;

using SdlDotNet.Core;
using Tao.Sdl;

namespace SdlDotNet.Input{
    /// <summary>
    /// Summary description for JoystickBallEventArgs.
    /// </summary>
    public class JoystickBallEventArgs : SdlEventArgs
    {
        #region Constructors

        /// <summary>
        /// 
        /// </summary>
        ///<param name="device">The joystick index</param>
        /// <param name="ball">The trackball index</param>
        /// <param name="relativeX">The relative X position</param>
        /// <param name="relativeY">The relative Y position</param>
        public JoystickBallEventArgs(byte device, byte ball, short relativeX, short relativeY)
        {
            Sdl.SDL_Event evt = new Sdl.SDL_Event();
            evt.jball.which = device;
            evt.jball.ball = ball;
            evt.jball.xrel = relativeX;
            evt.jball.yrel = relativeY;
            evt.type = (byte)EventTypes.JoystickBallMotion;
            this.EventStruct = evt;
        }

        internal JoystickBallEventArgs(Sdl.SDL_Event evt)
            : base(evt)
        {
        }

        #endregion

        #region Public Methods

        /// <summary>
        /// Device
        /// </summary>
        public int Device
        {
            get
            {
                return this.EventStruct.jball.which;
            }
        }

        /// <summary>
        /// Ball
        /// </summary>
        public int Ball
        {
            get
            {
                return this.EventStruct.jball.ball;
            }
        }

        /// <summary>
        /// change in distance on X-axis
        /// </summary>
        public int RelativeX
        {
            get
            {
                return this.EventStruct.jball.xrel;
            }
        }

        /// <summary>
        /// Change in distance on Y axis
        /// </summary>
        public int RelativeY
        {
            get
            {
                return this.EventStruct.jball.yrel;
            }
        }

        #endregion
    }
}