258 lines
9.5 KiB
C#
258 lines
9.5 KiB
C#
#region --- License ---
|
|
/* Copyright (c) 2006, 2007 Stefanos Apostolopoulos
|
|
* See license.txt for license info
|
|
*/
|
|
#endregion
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Text;
|
|
using OpenTK.Input;
|
|
using System.Diagnostics;
|
|
using System.Runtime.InteropServices;
|
|
using Microsoft.Win32;
|
|
using System.Drawing;
|
|
|
|
namespace OpenTK.Platform.Windows
|
|
{
|
|
/// <summary>
|
|
/// Contains methods to register for and process mouse WM_INPUT messages.
|
|
/// </summary>
|
|
internal class WinRawMouse : IMouseDriver, IDisposable
|
|
{
|
|
private List<MouseDevice> mice = new List<MouseDevice>();
|
|
private IntPtr window;
|
|
|
|
#region --- Constructors ---
|
|
|
|
internal WinRawMouse()
|
|
: this(IntPtr.Zero)
|
|
{
|
|
}
|
|
|
|
internal WinRawMouse(IntPtr windowHandle)
|
|
{
|
|
Debug.WriteLine("Initializing mouse driver (WinRawMouse).");
|
|
Debug.Indent();
|
|
|
|
this.window = windowHandle;
|
|
|
|
RegisterDevices();
|
|
|
|
Debug.Unindent();
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region --- IMouseDriver Members ---
|
|
|
|
public IList<MouseDevice> Mouse
|
|
{
|
|
get { return mice; }
|
|
}
|
|
|
|
#region public int RegisterDevices()
|
|
|
|
public int RegisterDevices()
|
|
{
|
|
int count = WinRawInput.DeviceCount;
|
|
RawInputDeviceList[] ridl = new RawInputDeviceList[count];
|
|
for (int i = 0; i < count; i++)
|
|
ridl[i] = new RawInputDeviceList();
|
|
Functions.GetRawInputDeviceList(ridl, ref count, API.RawInputDeviceListSize);
|
|
|
|
// Discover mouse devices:
|
|
for (int i = 0; i < count; i++)
|
|
{
|
|
uint size = 0;
|
|
Functions.GetRawInputDeviceInfo(ridl[i].Device, RawInputDeviceInfoEnum.DEVICENAME, IntPtr.Zero, ref size);
|
|
IntPtr name_ptr = Marshal.AllocHGlobal((IntPtr)size);
|
|
Functions.GetRawInputDeviceInfo(ridl[i].Device, RawInputDeviceInfoEnum.DEVICENAME, name_ptr, ref size);
|
|
string name = Marshal.PtrToStringAnsi(name_ptr);
|
|
Marshal.FreeHGlobal(name_ptr);
|
|
|
|
if (name.ToLower().Contains("root"))
|
|
{
|
|
// This is a terminal services device, skip it.
|
|
continue;
|
|
}
|
|
else if (ridl[i].Type == RawInputDeviceType.MOUSE || ridl[i].Type == RawInputDeviceType.HID)
|
|
{
|
|
// This is a mouse or a USB mouse device. In the latter case, discover if it really is a
|
|
// mouse device by qeurying the registry.
|
|
|
|
// remove the \??\
|
|
name = name.Substring(4);
|
|
|
|
string[] split = name.Split('#');
|
|
|
|
string id_01 = split[0]; // ACPI (Class code)
|
|
string id_02 = split[1]; // PNP0303 (SubClass code)
|
|
string id_03 = split[2]; // 3&13c0b0c5&0 (Protocol code)
|
|
// The final part is the class GUID and is not needed here
|
|
|
|
string findme = string.Format(
|
|
@"System\CurrentControlSet\Enum\{0}\{1}\{2}",
|
|
id_01, id_02, id_03);
|
|
|
|
RegistryKey regkey = Registry.LocalMachine.OpenSubKey(findme);
|
|
|
|
string deviceDesc = (string)regkey.GetValue("DeviceDesc");
|
|
deviceDesc = deviceDesc.Substring(deviceDesc.LastIndexOf(';') + 1);
|
|
string deviceClass = (string)regkey.GetValue("Class");
|
|
|
|
if (!String.IsNullOrEmpty(deviceClass) && deviceClass.ToLower().Equals("mouse"))
|
|
{
|
|
OpenTK.Input.MouseDevice mouse = new OpenTK.Input.MouseDevice();
|
|
mouse.Description = deviceDesc;
|
|
|
|
// Register the keyboard:
|
|
RawInputDeviceInfo info = new RawInputDeviceInfo();
|
|
int devInfoSize = API.RawInputDeviceInfoSize;
|
|
Functions.GetRawInputDeviceInfo(ridl[i].Device, RawInputDeviceInfoEnum.DEVICEINFO,
|
|
info, ref devInfoSize);
|
|
|
|
mouse.NumberOfButtons = info.Device.Mouse.NumberOfButtons;
|
|
mouse.NumberOfWheels = info.Device.Mouse.HasHorizontalWheel ? 1 : 0;
|
|
|
|
mouse.DeviceID = ridl[i].Device;//(IntPtr)info.Device.Mouse.Id;
|
|
|
|
this.RegisterRawDevice(mouse);
|
|
mice.Add(mouse);
|
|
}
|
|
}
|
|
}
|
|
|
|
return count;
|
|
}
|
|
|
|
#endregion
|
|
|
|
#endregion
|
|
|
|
#region internal void RegisterRawDevice(OpenTK.Input.Mouse mouse)
|
|
|
|
internal void RegisterRawDevice(OpenTK.Input.MouseDevice mouse)
|
|
{
|
|
RawInputDevice[] rid = new RawInputDevice[1];
|
|
// Mouse is 1/2 (page/id). See http://www.microsoft.com/whdc/device/input/HID_HWID.mspx
|
|
rid[0] = new RawInputDevice();
|
|
rid[0].UsagePage = 1;
|
|
rid[0].Usage = 2;
|
|
rid[0].Flags = RawInputDeviceFlags.INPUTSINK;
|
|
rid[0].Target = window;
|
|
|
|
if (!Functions.RegisterRawInputDevices(rid, 1, API.RawInputDeviceSize))
|
|
{
|
|
throw new ApplicationException(
|
|
String.Format(
|
|
"Raw input registration failed with error: {0}. Device: {1}",
|
|
Marshal.GetLastWin32Error(),
|
|
rid[0].ToString())
|
|
);
|
|
}
|
|
else
|
|
{
|
|
Debug.Print("Registered mouse {0}", mouse.ToString());
|
|
Point p = new Point();
|
|
if (Functions.GetCursorPos(ref p))
|
|
mouse.Position = p;
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region internal bool ProcessEvent(API.RawInput rin)
|
|
|
|
/// <summary>
|
|
/// Processes raw input events.
|
|
/// </summary>
|
|
/// <param name="rin"></param>
|
|
/// <returns></returns>
|
|
internal bool ProcessEvent(RawInput rin)
|
|
{
|
|
//MouseDevice mouse = mice.Find(delegate(MouseDevice m)
|
|
//{
|
|
// return m.DeviceID == rin.Header.Device;
|
|
//});
|
|
MouseDevice mouse;
|
|
if (mice.Count > 0) mouse = mice[0];
|
|
else return false;
|
|
|
|
switch (rin.Header.Type)
|
|
{
|
|
case RawInputDeviceType.MOUSE:
|
|
if ((rin.Data.Mouse.ButtonFlags & RawInputMouseState.LEFT_BUTTON_DOWN) != 0) mouse[MouseButton.Left] = true;
|
|
if ((rin.Data.Mouse.ButtonFlags & RawInputMouseState.LEFT_BUTTON_UP) != 0) mouse[MouseButton.Left] = false;
|
|
if ((rin.Data.Mouse.ButtonFlags & RawInputMouseState.RIGHT_BUTTON_DOWN) != 0) mouse[MouseButton.Right] = true;
|
|
if ((rin.Data.Mouse.ButtonFlags & RawInputMouseState.RIGHT_BUTTON_UP) != 0) mouse[MouseButton.Right] = false;
|
|
if ((rin.Data.Mouse.ButtonFlags & RawInputMouseState.MIDDLE_BUTTON_DOWN) != 0) mouse[MouseButton.Middle] = true;
|
|
if ((rin.Data.Mouse.ButtonFlags & RawInputMouseState.MIDDLE_BUTTON_UP) != 0) mouse[MouseButton.Middle] = false;
|
|
if ((rin.Data.Mouse.ButtonFlags & RawInputMouseState.BUTTON_4_DOWN) != 0) mouse[MouseButton.Button1] = true;
|
|
if ((rin.Data.Mouse.ButtonFlags & RawInputMouseState.BUTTON_4_UP) != 0) mouse[MouseButton.Button1] = false;
|
|
if ((rin.Data.Mouse.ButtonFlags & RawInputMouseState.BUTTON_5_DOWN) != 0) mouse[MouseButton.Button2] = true;
|
|
if ((rin.Data.Mouse.ButtonFlags & RawInputMouseState.BUTTON_5_UP) != 0) mouse[MouseButton.Button2] = false;
|
|
|
|
if ((rin.Data.Mouse.ButtonFlags & RawInputMouseState.WHEEL) != 0)
|
|
mouse.Wheel += (short)rin.Data.Mouse.ButtonData / 120;
|
|
|
|
if ((rin.Data.Mouse.Flags & RawMouseFlags.MOUSE_MOVE_ABSOLUTE) != 0)
|
|
{
|
|
mouse.Position = new Point(rin.Data.Mouse.LastX, rin.Data.Mouse.LastY);
|
|
}
|
|
else
|
|
{ // Seems like MOUSE_MOVE_RELATIVE is the default, unless otherwise noted.
|
|
mouse.Position = new Point(mouse.X + rin.Data.Mouse.LastX,
|
|
mouse.Y + rin.Data.Mouse.LastY);
|
|
}
|
|
|
|
if ((rin.Data.Mouse.Flags & RawMouseFlags.MOUSE_VIRTUAL_DESKTOP) != 0)
|
|
Debug.WriteLine(String.Format("Mouse {0} defines MOUSE_VIRTUAL_DESKTOP flag, please report at http://www.opentk.com", mouse.ToString()));
|
|
|
|
return true;
|
|
|
|
default:
|
|
throw new ApplicationException("WinRawMouse driver received invalid data.");
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public void Poll()
|
|
|
|
public void Poll()
|
|
{
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region --- IDisposable Members ---
|
|
|
|
private bool disposed;
|
|
|
|
public void Dispose()
|
|
{
|
|
Dispose(true);
|
|
GC.SuppressFinalize(this);
|
|
}
|
|
|
|
private void Dispose(bool manual)
|
|
{
|
|
if (!disposed)
|
|
{
|
|
if (manual)
|
|
{
|
|
mice.Clear();
|
|
}
|
|
disposed = true;
|
|
}
|
|
}
|
|
|
|
~WinRawMouse()
|
|
{
|
|
Dispose(false);
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|