HidHandler.cs
changeset 79 cdc5f8f1b79e
parent 78 72885c950813
child 80 e2acfa51664f
     1.1 --- a/HidHandler.cs	Sun Mar 15 16:56:31 2015 +0100
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,104 +0,0 @@
     1.4 -//
     1.5 -// Copyright (C) 2014-2015 Stéphane Lenclud.
     1.6 -//
     1.7 -// This file is part of SharpLibHid.
     1.8 -//
     1.9 -// SharpDisplayManager is free software: you can redistribute it and/or modify
    1.10 -// it under the terms of the GNU General Public License as published by
    1.11 -// the Free Software Foundation, either version 3 of the License, or
    1.12 -// (at your option) any later version.
    1.13 -//
    1.14 -// SharpDisplayManager is distributed in the hope that it will be useful,
    1.15 -// but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.16 -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.17 -// GNU General Public License for more details.
    1.18 -//
    1.19 -// You should have received a copy of the GNU General Public License
    1.20 -// along with SharpDisplayManager.  If not, see <http://www.gnu.org/licenses/>.
    1.21 -//
    1.22 -
    1.23 -
    1.24 -using System;
    1.25 -using System.Windows.Forms;
    1.26 -using System.Runtime.InteropServices;
    1.27 -using System.Diagnostics;
    1.28 -using System.Text;
    1.29 -using Microsoft.Win32.SafeHandles;
    1.30 -using SharpLib.Win32;
    1.31 -using System.Collections.Generic;
    1.32 -
    1.33 -
    1.34 -namespace SharpLib.Hid
    1.35 -{
    1.36 -    /// <summary>
    1.37 -    /// Our HID handler manages raw input registrations, processes WM_INPUT messages and broadcasts HID events in return.
    1.38 -    /// </summary>
    1.39 -    public class HidHandler
    1.40 -    {
    1.41 -        public delegate void HidEventHandler(object aSender, HidEvent aHidEvent);
    1.42 -        public event HidEventHandler OnHidEvent;
    1.43 -        List<HidEvent> iHidEvents;
    1.44 -
    1.45 -
    1.46 -        public bool IsRegistered { get; private set; }
    1.47 -
    1.48 -        public HidHandler(RAWINPUTDEVICE[] aRawInputDevices)
    1.49 -        {
    1.50 -            iHidEvents=new List<HidEvent>();
    1.51 -            IsRegistered = Function.RegisterRawInputDevices(aRawInputDevices, (uint)aRawInputDevices.Length, (uint)Marshal.SizeOf(aRawInputDevices[0]));
    1.52 -        }
    1.53 -
    1.54 -        /// <summary>
    1.55 -        /// Process a WM_INPUT message.
    1.56 -        /// </summary>
    1.57 -        /// <param name="aMessage"></param>
    1.58 -        public void ProcessInput(ref Message aMessage)
    1.59 -        {
    1.60 -            if (aMessage.Msg != Const.WM_INPUT)
    1.61 -            {
    1.62 -                //We only process WM_INPUT messages
    1.63 -                return;
    1.64 -            }
    1.65 -
    1.66 -            HidEvent hidEvent = new HidEvent(aMessage, OnHidEventRepeat);
    1.67 -            hidEvent.DebugWrite();
    1.68 -
    1.69 -            if (!hidEvent.IsValid || !hidEvent.IsGeneric)
    1.70 -            {
    1.71 -                Debug.WriteLine("Skipping HID message.");
    1.72 -                return;
    1.73 -            }
    1.74 -
    1.75 -            //
    1.76 -            if (hidEvent.IsButtonUp)
    1.77 -            {
    1.78 -                //This is a key up event
    1.79 -                //We need to discard any events belonging to the same page and collection
    1.80 -                for (int i = (iHidEvents.Count-1); i >= 0; i--)
    1.81 -                {
    1.82 -                    if (iHidEvents[i].UsageId == hidEvent.UsageId)
    1.83 -                    {
    1.84 -                        iHidEvents[i].Dispose();
    1.85 -                        iHidEvents.RemoveAt(i);
    1.86 -                    }
    1.87 -                }
    1.88 -            }
    1.89 -            else
    1.90 -            {
    1.91 -                //Keep that event until we get a key up message
    1.92 -                iHidEvents.Add(hidEvent);
    1.93 -            }
    1.94 -
    1.95 -            //Broadcast our events
    1.96 -            OnHidEvent(this, hidEvent);    
    1.97 -        }
    1.98 -
    1.99 -        public void OnHidEventRepeat(HidEvent aHidEvent)
   1.100 -        {
   1.101 -            //Broadcast our events
   1.102 -            OnHidEvent(this, aHidEvent);    
   1.103 -        }
   1.104 -
   1.105 -    }
   1.106 -
   1.107 -}
   1.108 \ No newline at end of file