SdlEventArgs.cs :  » Game » SDL » SdlDotNet » Core » 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 Tao.Sdl;
using SdlDotNet.Graphics;
using SdlDotNet.Input;

namespace SdlDotNet.Core{
    /// <summary>
    /// Base class for SdlEventArgs.
    /// </summary>
    public class SdlEventArgs : EventArgs
    {
        #region Private fields

        /// <summary>
        /// Corrresponding SDL_Event
        /// </summary>
        Sdl.SDL_Event eventStruct;

        #endregion

        #region Constructors

        /// <summary>
        /// Constructor
        /// </summary>
        public SdlEventArgs()
        {
        }

        /// <summary>
        /// Holds SDL_Event
        /// </summary>
        /// <param name="eventStruct">Event Struct</param>
        protected SdlEventArgs(Sdl.SDL_Event eventStruct)
        {
            this.eventStruct = eventStruct;
        }

        #endregion

        #region Protected Methods

        /// <summary>
        /// 
        /// </summary>
        public Sdl.SDL_Event EventStruct
        {
            get
            {
                return this.eventStruct;
            }
            set
            {
                this.eventStruct = value;
            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="ev"></param>
        /// <returns></returns>
        protected internal static SdlEventArgs CreateEventArgs(Sdl.SDL_Event ev)
        {
            switch ((EventTypes)ev.type)
            {
                case EventTypes.KeyDown:
                    return new KeyboardEventArgs(ev);
                case EventTypes.KeyUp:
                    return new KeyboardEventArgs(ev);
                case EventTypes.ActiveEvent:
                    return new ActiveEventArgs(ev);
                case EventTypes.Quit:
                    return new QuitEventArgs(ev);
                case EventTypes.MouseButtonUp:
                    return new MouseButtonEventArgs(ev);
                case EventTypes.MouseButtonDown:
                    return new MouseButtonEventArgs(ev);
                case EventTypes.MouseMotion:
                    return new MouseMotionEventArgs(ev);
                case EventTypes.VideoExpose:
                    return new VideoExposeEventArgs(ev);
                case EventTypes.VideoResize:
                    return new VideoResizeEventArgs(ev);
                case EventTypes.UserEvent:
                    return new UserEventArgs(ev);
                default:
                    return new SdlEventArgs(ev);
            }
        }

        #endregion

        #region Public Methods

        /// <summary>
        /// Returns Event type
        /// </summary>
        public EventTypes Type
        {
            get
            {
                return (EventTypes)this.EventStruct.type;
            }
        }

        #endregion
    }
}