sl@29: using System;
sl@29: using System.Windows.Forms;
sl@29: using System.Runtime.InteropServices;
sl@29: using System.Diagnostics;
sl@29: using System.Text;
sl@29: using Microsoft.Win32.SafeHandles;
sl@29: using Win32;
sl@29: using System.Collections.Generic;
sl@29: 
sl@29: 
sl@29: namespace Hid
sl@29: {
sl@29:     /// <summary>
sl@29:     /// Our HID handler manages raw input registrations, processes WM_INPUT messages and broadcasts HID events in return.
sl@29:     /// </summary>
sl@40:     public class HidHandler
sl@29:     {
sl@29:         public delegate void HidEventHandler(object aSender, HidEvent aHidEvent);
sl@29:         public event HidEventHandler OnHidEvent;
sl@41:         List<HidEvent> iHidEvents;
sl@41: 
sl@29: 
sl@29:         public bool IsRegistered { get; private set; }
sl@29: 
sl@29:         public HidHandler(RAWINPUTDEVICE[] aRawInputDevices)
sl@29:         {
sl@41:             iHidEvents=new List<HidEvent>();
sl@29:             IsRegistered = Function.RegisterRawInputDevices(aRawInputDevices, (uint)aRawInputDevices.Length, (uint)Marshal.SizeOf(aRawInputDevices[0]));
sl@29:         }
sl@29: 
sl@29:         public void ProcessInput(Message aMessage)
sl@29:         {
sl@41:             Hid.HidEvent hidEvent = new Hid.HidEvent(aMessage, OnHidEventRepeat);
sl@29:             hidEvent.DebugWrite();
sl@29: 
sl@29:             if (!hidEvent.IsValid || !hidEvent.IsGeneric)
sl@29:             {
sl@29:                 Debug.WriteLine("Skipping HID message.");
sl@29:                 return;
sl@29:             }
sl@29: 
sl@41:             //
StephaneLenclud@49:             if (hidEvent.IsButtonUp)
sl@41:             {
sl@41:                 //This is a key up event
sl@41:                 //We need to discard any events belonging to the same page and collection
sl@41:                 for (int i = (iHidEvents.Count-1); i >= 0; i--)
sl@41:                 {
sl@41:                     if (iHidEvents[i].UsageId == hidEvent.UsageId)
sl@41:                     {
sl@41:                         iHidEvents[i].Dispose();
sl@41:                         iHidEvents.RemoveAt(i);
sl@41:                     }
sl@41:                 }
sl@41:             }
sl@41:             else
sl@41:             {
sl@41:                 //Keep that event until we get a key up message
sl@41:                 iHidEvents.Add(hidEvent);
sl@41:             }
sl@41: 
sl@29:             //Broadcast our events
sl@29:             OnHidEvent(this, hidEvent);    
sl@29:         }
sl@29: 
sl@41:         public void OnHidEventRepeat(HidEvent aHidEvent)
sl@41:         {
sl@41:             //Broadcast our events
sl@41:             OnHidEvent(this, aHidEvent);    
sl@41:         }
sl@41: 
sl@29:     }
sl@29: 
sl@29: }