StephaneLenclud@125: using System;
StephaneLenclud@126: using System.IO;
StephaneLenclud@125: using System.Collections.Generic;
StephaneLenclud@125: using System.Linq;
StephaneLenclud@125: using System.Text;
StephaneLenclud@125: using System.Threading.Tasks;
StephaneLenclud@125: using System.Diagnostics;
StephaneLenclud@125: using System.Runtime.InteropServices;
StephaneLenclud@125: using System.Windows.Forms;
StephaneLenclud@150: using Microsoft.Win32.SafeHandles;
StephaneLenclud@155: using System.ComponentModel;
StephaneLenclud@125: //
StephaneLenclud@125: using Hid = SharpLib.Hid;
StephaneLenclud@125: using SharpLib.Win32;
StephaneLenclud@125: 
StephaneLenclud@125: namespace SharpDisplayManager
StephaneLenclud@125: {
StephaneLenclud@138:     /// <summary>
StephaneLenclud@138:     /// Implement handling of HID input reports notably to be able to launch an application using the Green Start button from IR remotes.
StephaneLenclud@138:     /// </summary>
StephaneLenclud@131:     [System.ComponentModel.DesignerCategory("Code")]
StephaneLenclud@226:     public class FormMainHid : Form
StephaneLenclud@131:     {
StephaneLenclud@131:         //
StephaneLenclud@131:         public delegate void OnHidEventDelegate(object aSender, Hid.Event aHidEvent);
StephaneLenclud@126: 
StephaneLenclud@126: 
StephaneLenclud@131:         /// <summary>
StephaneLenclud@131:         /// Register HID devices so that we receive corresponding WM_INPUT messages.
StephaneLenclud@131:         /// </summary>
StephaneLenclud@131:         protected void RegisterHidDevices()
StephaneLenclud@131:         {
StephaneLenclud@131:             // Register the input device to receive the commands from the
StephaneLenclud@131:             // remote device. See http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnwmt/html/remote_control.asp
StephaneLenclud@131:             // for the vendor defined usage page.
StephaneLenclud@128: 
StephaneLenclud@241:             RAWINPUTDEVICE[] rid = new RAWINPUTDEVICE[6];
StephaneLenclud@128: 
StephaneLenclud@131:             int i = 0;
StephaneLenclud@131:             rid[i].usUsagePage = (ushort)SharpLib.Hid.UsagePage.WindowsMediaCenterRemoteControl;
StephaneLenclud@131:             rid[i].usUsage = (ushort)SharpLib.Hid.UsageCollection.WindowsMediaCenter.WindowsMediaCenterRemoteControl;
StephaneLenclud@233:             rid[i].dwFlags = RawInputDeviceFlags.RIDEV_INPUTSINK;
StephaneLenclud@131:             rid[i].hwndTarget = Handle;
StephaneLenclud@128: 
StephaneLenclud@131:             i++;
StephaneLenclud@131:             rid[i].usUsagePage = (ushort)SharpLib.Hid.UsagePage.Consumer;
StephaneLenclud@131:             rid[i].usUsage = (ushort)SharpLib.Hid.UsageCollection.Consumer.ConsumerControl;
StephaneLenclud@233:             rid[i].dwFlags = RawInputDeviceFlags.RIDEV_INPUTSINK;
StephaneLenclud@131:             rid[i].hwndTarget = Handle;
StephaneLenclud@126: 
StephaneLenclud@131:             i++;
StephaneLenclud@131:             rid[i].usUsagePage = (ushort)SharpLib.Hid.UsagePage.Consumer;
StephaneLenclud@131:             rid[i].usUsage = (ushort)SharpLib.Hid.UsageCollection.Consumer.Selection;
StephaneLenclud@233:             rid[i].dwFlags = RawInputDeviceFlags.RIDEV_INPUTSINK;
StephaneLenclud@131:             rid[i].hwndTarget = Handle;
StephaneLenclud@125: 
StephaneLenclud@131:             i++;
StephaneLenclud@131:             rid[i].usUsagePage = (ushort)SharpLib.Hid.UsagePage.GenericDesktopControls;
StephaneLenclud@131:             rid[i].usUsage = (ushort)SharpLib.Hid.UsageCollection.GenericDesktop.SystemControl;
StephaneLenclud@233:             rid[i].dwFlags = RawInputDeviceFlags.RIDEV_INPUTSINK;
StephaneLenclud@131:             rid[i].hwndTarget = Handle;
StephaneLenclud@125: 
StephaneLenclud@131:             i++;
StephaneLenclud@131:             rid[i].usUsagePage = (ushort)SharpLib.Hid.UsagePage.GenericDesktopControls;
StephaneLenclud@131:             rid[i].usUsage = (ushort)SharpLib.Hid.UsageCollection.GenericDesktop.GamePad;
StephaneLenclud@233:             rid[i].dwFlags = RawInputDeviceFlags.RIDEV_INPUTSINK;
StephaneLenclud@131:             rid[i].hwndTarget = Handle;
StephaneLenclud@125: 
StephaneLenclud@241:             i++;
StephaneLenclud@241:             rid[i].usUsagePage = (ushort)SharpLib.Hid.UsagePage.GenericDesktopControls;
StephaneLenclud@241:             rid[i].usUsage = (ushort)SharpLib.Hid.UsageCollection.GenericDesktop.Keyboard;
StephaneLenclud@241:             rid[i].dwFlags = RawInputDeviceFlags.RIDEV_INPUTSINK;
StephaneLenclud@241:             rid[i].hwndTarget = Handle;
StephaneLenclud@241: 
StephaneLenclud@131:             //i++;
StephaneLenclud@131:             //rid[i].usUsagePage = (ushort)SharpLib.Hid.UsagePage.GenericDesktopControls;
StephaneLenclud@131:             //rid[i].usUsage = (ushort)SharpLib.Hid.UsageCollection.GenericDesktop.Keyboard;
StephaneLenclud@131:             //rid[i].dwFlags = Const.RIDEV_EXINPUTSINK;
StephaneLenclud@131:             //rid[i].hwndTarget = Handle;
StephaneLenclud@125: 
StephaneLenclud@131:             //i++;
StephaneLenclud@131:             //rid[i].usUsagePage = (ushort)Hid.UsagePage.GenericDesktopControls;
StephaneLenclud@131:             //rid[i].usUsage = (ushort)Hid.UsageCollection.GenericDesktop.Mouse;
StephaneLenclud@131:             //rid[i].dwFlags = Const.RIDEV_EXINPUTSINK;
StephaneLenclud@131:             //rid[i].hwndTarget = aHWND;
StephaneLenclud@125: 
StephaneLenclud@125: 
StephaneLenclud@246:             Program.HidHandler = new SharpLib.Hid.Handler(rid);
StephaneLenclud@246:             if (!Program.HidHandler.IsRegistered)
StephaneLenclud@131:             {
StephaneLenclud@131:                 Debug.WriteLine("Failed to register raw input devices: " + Marshal.GetLastWin32Error().ToString());
StephaneLenclud@131:             }
StephaneLenclud@246:             Program.HidHandler.OnHidEvent += HandleHidEventThreadSafe;
StephaneLenclud@159: 
StephaneLenclud@131:         }
StephaneLenclud@125: 
StephaneLenclud@159: 
StephaneLenclud@159: 
StephaneLenclud@159: 
StephaneLenclud@131:         /// <summary>
StephaneLenclud@131:         /// Here we receive HID events from our HID library.
StephaneLenclud@131:         /// </summary>
StephaneLenclud@131:         /// <param name="aSender"></param>
StephaneLenclud@131:         /// <param name="aHidEvent"></param>
StephaneLenclud@131:         public void HandleHidEventThreadSafe(object aSender, SharpLib.Hid.Event aHidEvent)
StephaneLenclud@131:         {
StephaneLenclud@241:             if (aHidEvent.IsStray || !aHidEvent.IsValid)
StephaneLenclud@131:             {
StephaneLenclud@131:                 //Stray event just ignore it
StephaneLenclud@131:                 return;
StephaneLenclud@131:             }
StephaneLenclud@125: 
StephaneLenclud@131:             if (this.InvokeRequired)
StephaneLenclud@131:             {
StephaneLenclud@131:                 //Not in the proper thread, invoke ourselves
StephaneLenclud@131:                 OnHidEventDelegate d = new OnHidEventDelegate(HandleHidEventThreadSafe);
StephaneLenclud@131:                 this.Invoke(d, new object[] { aSender, aHidEvent });
StephaneLenclud@131:             }
StephaneLenclud@131:             else
StephaneLenclud@131:             {
StephaneLenclud@247:                 //Trigger corresponding EAR event if any
StephaneLenclud@247:                 {
StephaneLenclud@247:                     EventHid e = new EventHid();
StephaneLenclud@247:                     e.Copy(aHidEvent);
StephaneLenclud@247:                     Properties.Settings.Default.EarManager.TriggerEvent(e);
StephaneLenclud@247:                 }
StephaneLenclud@247: 
StephaneLenclud@241:                 if (aHidEvent.IsGeneric)
StephaneLenclud@150:                 {
StephaneLenclud@241:                     if (aHidEvent.Usages.Count == 0)
StephaneLenclud@241:                     {
StephaneLenclud@241:                         //No usage, nothing to do then
StephaneLenclud@241:                         return;
StephaneLenclud@241:                     }
StephaneLenclud@150: 
StephaneLenclud@241:                     //We are in the proper thread
StephaneLenclud@241:                     if (aHidEvent.UsagePage == (ushort) Hid.UsagePage.WindowsMediaCenterRemoteControl)
StephaneLenclud@241:                     {
StephaneLenclud@241:                         //Trigger events as needed
StephaneLenclud@241:                         EventHidWindowsMediaCenter e = new EventHidWindowsMediaCenter
StephaneLenclud@241:                         {
StephaneLenclud@241:                             Usage = (Hid.Usage.WindowsMediaCenterRemoteControl) aHidEvent.Usages[0]
StephaneLenclud@241:                         };
StephaneLenclud@241:                         Properties.Settings.Default.EarManager.TriggerEvent(e);
StephaneLenclud@241:                     }
StephaneLenclud@241:                     else if (aHidEvent.UsagePage == (ushort) Hid.UsagePage.Consumer)
StephaneLenclud@131:                     {
StephaneLenclud@241:                         //Trigger matching events if any
StephaneLenclud@241:                         EventHidConsumerControl e = new EventHidConsumerControl
StephaneLenclud@241:                         {
StephaneLenclud@241:                             Usage = (Hid.Usage.ConsumerControl) aHidEvent.Usages[0]
StephaneLenclud@241:                         };
StephaneLenclud@241:                         Properties.Settings.Default.EarManager.TriggerEvent(e);
StephaneLenclud@131:                     }
StephaneLenclud@131:                 }
StephaneLenclud@241:                 else if (aHidEvent.IsKeyboard)
StephaneLenclud@237:                 {
StephaneLenclud@241:                     //Trigger matching events if any
StephaneLenclud@241:                     EventHidKeyboard e = new EventHidKeyboard
StephaneLenclud@241:                     {
StephaneLenclud@241:                         Key = aHidEvent.VirtualKey,
StephaneLenclud@241:                         IsKeyUp = aHidEvent.IsButtonUp,
StephaneLenclud@241:                         HasModifierAlt = aHidEvent.HasModifierAlt,
StephaneLenclud@241:                         HasModifierControl = aHidEvent.HasModifierControl,
StephaneLenclud@241:                         HasModifierShift = aHidEvent.HasModifierShift,
StephaneLenclud@241:                         HasModifierWindows = aHidEvent.HasModifierWindows,
StephaneLenclud@241:                     };
StephaneLenclud@238:                     Properties.Settings.Default.EarManager.TriggerEvent(e);
StephaneLenclud@241:                 }                
StephaneLenclud@152: 
StephaneLenclud@131:             }
StephaneLenclud@131:         }
StephaneLenclud@125: 
StephaneLenclud@245:     
StephaneLenclud@155: 
StephaneLenclud@245:     
StephaneLenclud@167: 
StephaneLenclud@167: 
StephaneLenclud@131:         /// <summary>
StephaneLenclud@131:         /// We need to handle WM_INPUT.
StephaneLenclud@131:         /// </summary>
StephaneLenclud@131:         /// <param name="message"></param>
StephaneLenclud@131:         protected override void WndProc(ref Message message)
StephaneLenclud@131:         {
StephaneLenclud@131:             switch (message.Msg)
StephaneLenclud@131:             {
StephaneLenclud@131:                 case Const.WM_INPUT:
StephaneLenclud@131:                     //Returning zero means we processed that message.
StephaneLenclud@131:                     message.Result = new IntPtr(0);
StephaneLenclud@246:                     Program.HidHandler.ProcessInput(ref message);
StephaneLenclud@131:                     break;
StephaneLenclud@131:             }
StephaneLenclud@159: 
StephaneLenclud@167:             //Pass this on to base class.
StephaneLenclud@131:             base.WndProc(ref message);
StephaneLenclud@131:         }
StephaneLenclud@131:     }
StephaneLenclud@125: }