Opentk/Source/OpenTK/Platform/Windows/WinRawKeyboard.cs
the_fiddler 22d4f1b3ce Renamed OpenTK.Input.Keys to OpenTK.Input.Key.
Added keymap to X11/X11Keyboard.cs (not complete).
Added GetKeyboardMapping(), DisplayFlags() and XKey enum to OpenTK.Platform.X11.API.cs
2007-08-05 16:04:39 +00:00

342 lines
14 KiB
C#
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#region --- License ---
/* Copyright (c) 2007 Stefanos Apostolopoulos
* See license.txt for license info
*/
#endregion
#region --- Using directives ---
using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using System.Diagnostics;
using Microsoft.Win32;
using OpenTK.Input;
#endregion
namespace OpenTK.Platform.Windows
{
internal class WinRawKeyboard : IKeyboardDriver
{
private List<Keyboard> keyboards = new List<Keyboard>();
private IntPtr windowHandle;
#region internal static Dictionary<API.VirtualKeys, Input.Key> KeyMap
internal static Dictionary<API.VirtualKeys, Input.Key> KeyMap =
new Dictionary<API.VirtualKeys, Input.Key>((int)API.VirtualKeys.Last);
private static bool keyMapExists;
/// <summary>
/// Initializes the map between VirtualKeys and OpenTK.Key
/// </summary>
private static void InitKeyMap()
{
if (!keyMapExists)
{
try
{
KeyMap.Add(API.VirtualKeys.ESCAPE, Input.Key.Escape);
// Function keys
for (int i = 0; i < 24; i++)
{
KeyMap.Add((API.VirtualKeys)((int)API.VirtualKeys.F1 + i), Input.Key.F1 + i);
}
// Number keys (0-9)
for (int i = 0; i <= 9; i++)
{
KeyMap.Add((API.VirtualKeys)(0x30 + i), Input.Key.Number0 + i);
}
// Letters (A-Z)
for (int i = 0; i < 26; i++)
{
KeyMap.Add((API.VirtualKeys)(0x41 + i), Input.Key.A + i);
}
KeyMap.Add(API.VirtualKeys.TAB, Input.Key.Tab);
KeyMap.Add(API.VirtualKeys.CAPITAL, Input.Key.CapsLock);
KeyMap.Add(API.VirtualKeys.LCONTROL, Input.Key.ControlLeft);
KeyMap.Add(API.VirtualKeys.LSHIFT, Input.Key.ShiftLeft);
KeyMap.Add(API.VirtualKeys.LWIN, Input.Key.WinLeft);
KeyMap.Add(API.VirtualKeys.LMENU, Input.Key.AltLeft);
KeyMap.Add(API.VirtualKeys.SPACE, Input.Key.Space);
KeyMap.Add(API.VirtualKeys.RMENU, Input.Key.AltRight);
KeyMap.Add(API.VirtualKeys.RWIN, Input.Key.WinRight);
KeyMap.Add(API.VirtualKeys.APPS, Input.Key.Menu);
KeyMap.Add(API.VirtualKeys.RCONTROL, Input.Key.ControlRight);
KeyMap.Add(API.VirtualKeys.RSHIFT, Input.Key.ShiftRight);
KeyMap.Add(API.VirtualKeys.RETURN, Input.Key.Enter);
KeyMap.Add(API.VirtualKeys.BACK, Input.Key.Backspace);
KeyMap.Add(API.VirtualKeys.OEM_1, Input.Key.Semicolon); // Varies by keyboard, ;: on Win2K/US
KeyMap.Add(API.VirtualKeys.OEM_2, Input.Key.Slash); // Varies by keyboard, /? on Win2K/US
KeyMap.Add(API.VirtualKeys.OEM_3, Input.Key.Tilde); // Varies by keyboard, `~ on Win2K/US
KeyMap.Add(API.VirtualKeys.OEM_4, Input.Key.LeftBracket); // Varies by keyboard, [{ on Win2K/US
KeyMap.Add(API.VirtualKeys.OEM_5, Input.Key.BackSlash); // Varies by keyboard, \| on Win2K/US
KeyMap.Add(API.VirtualKeys.OEM_6, Input.Key.RightBracket); // Varies by keyboard, ]} on Win2K/US
KeyMap.Add(API.VirtualKeys.OEM_7, Input.Key.Quote); // Varies by keyboard, '" on Win2K/US
KeyMap.Add(API.VirtualKeys.OEM_PLUS, Input.Key.Plus); // Invariant: +
KeyMap.Add(API.VirtualKeys.OEM_COMMA, Input.Key.Comma); // Invariant: ,
KeyMap.Add(API.VirtualKeys.OEM_MINUS, Input.Key.Minus); // Invariant: -
KeyMap.Add(API.VirtualKeys.OEM_PERIOD, Input.Key.Period); // Invariant: .
KeyMap.Add(API.VirtualKeys.HOME, Input.Key.Home);
KeyMap.Add(API.VirtualKeys.END, Input.Key.End);
KeyMap.Add(API.VirtualKeys.DELETE, Input.Key.Delete);
KeyMap.Add(API.VirtualKeys.PRIOR, Input.Key.PageUp);
KeyMap.Add(API.VirtualKeys.NEXT, Input.Key.PageDown);
KeyMap.Add(API.VirtualKeys.PRINT, Input.Key.PrintScreen);
KeyMap.Add(API.VirtualKeys.PAUSE, Input.Key.Pause);
KeyMap.Add(API.VirtualKeys.NUMLOCK, Input.Key.NumLock);
KeyMap.Add(API.VirtualKeys.SLEEP, Input.Key.Sleep);
// Keypad
for (int i = 0; i <= 9; i++)
{
KeyMap.Add((API.VirtualKeys)((int)API.VirtualKeys.NUMPAD0 + i), Input.Key.Keypad0 + i);
}
KeyMap.Add(API.VirtualKeys.DECIMAL, Input.Key.KeypadDecimal);
KeyMap.Add(API.VirtualKeys.ADD, Input.Key.KeypadAdd);
KeyMap.Add(API.VirtualKeys.SUBTRACT, Input.Key.KeypadSubtract);
KeyMap.Add(API.VirtualKeys.DIVIDE, Input.Key.KeypadDivide);
KeyMap.Add(API.VirtualKeys.MULTIPLY, Input.Key.KeypadMultiply);
// Navigation
KeyMap.Add(API.VirtualKeys.UP, Input.Key.Up);
KeyMap.Add(API.VirtualKeys.DOWN, Input.Key.Down);
KeyMap.Add(API.VirtualKeys.LEFT, Input.Key.Left);
KeyMap.Add(API.VirtualKeys.RIGHT, Input.Key.Right);
}
catch (ArgumentException e)
{
Debug.Print("Exception while creating keymap: '{0}'.", e.ToString());
System.Windows.Forms.MessageBox.Show(
String.Format("Exception while creating keymap: '{0}'.", e.ToString()));
}
finally
{
keyMapExists = true;
}
}
}
#endregion
#region --- Constructors ---
internal WinRawKeyboard()
: this(IntPtr.Zero)
{
}
internal WinRawKeyboard(IntPtr windowHandle)
{
Debug.WriteLine("Initializing keyboard driver.");
Debug.Indent();
this.windowHandle = windowHandle;
InitKeyMap();
UpdateKeyboardList();
Debug.Unindent();
}
#endregion
#region internal static void UpdateKeyboardList()
internal void UpdateKeyboardList()
{
int count = WinRawInput.DeviceCount;
API.RawInputDeviceList[] ridl = new API.RawInputDeviceList[count];
for (int i = 0; i < count; i++)
ridl[i] = new API.RawInputDeviceList();
API.GetRawInputDeviceList(ridl, ref count, API.RawInputDeviceListSize);
// Discover keyboard devices:
for (int i = 0; i < count; i++)
{
uint size = 0;
API.GetRawInputDeviceInfo(ridl[i].Device, API.RawInputDeviceInfoEnum.DEVICENAME, IntPtr.Zero, ref size);
IntPtr name_ptr = Marshal.AllocHGlobal((IntPtr)size);
API.GetRawInputDeviceInfo(ridl[i].Device, API.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 devices, skip it.
continue;
}
else if (
ridl[i].Type == API.RawInputDeviceType.KEYBOARD ||
ridl[i].Type == API.RawInputDeviceType.HID)
{
//It's a keyboard or a USB device that could be a keyboard
// 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");
string deviceClass =
(string)regkey.GetValue("Class");
if (!String.IsNullOrEmpty(deviceClass) && deviceClass.ToLower().Equals("keyboard"))
{
Keyboard kb = new Keyboard();
kb.Description = deviceDesc;
// Register the keyboard:
API.RawInputDeviceInfo info = new API.RawInputDeviceInfo();
int devInfoSize = API.RawInputDeviceInfoSize;
API.GetRawInputDeviceInfo(ridl[i].Device, API.RawInputDeviceInfoEnum.DEVICEINFO,
info, ref devInfoSize);
kb.NumberOfLeds = info.Device.Keyboard.NumberOfIndicators;
kb.NumberOfFunctionKeys = info.Device.Keyboard.NumberOfFunctionKeys;
kb.NumberOfKeys = info.Device.Keyboard.NumberOfKeysTotal;
kb.DeviceID = (info.Device.Keyboard.Type << 32) + info.Device.Keyboard.SubType;
if (!keyboards.Contains(kb))
{
this.RegisterKeyboardDevice(kb);
keyboards.Add(kb);
}
}
}
}
}
#endregion
#region internal void RegisterKeyboardDevice(Keyboard kb)
internal void RegisterKeyboardDevice(Keyboard kb)
{
API.RawInputDevice[] rid = new API.RawInputDevice[1];
// Keyboard is 1/6 (page/id). See http://www.microsoft.com/whdc/device/input/HID_HWID.mspx
rid[0] = new API.RawInputDevice();
rid[0].UsagePage = 1;
rid[0].Usage = 6;
rid[0].Flags = API.RawInputDeviceFlags.INPUTSINK;
rid[0].Target = windowHandle;
if (!API.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 keyboard {0}", kb.ToString());
}
}
#endregion
#region internal bool ProcessKeyboardEvent(API.RawInput rin)
/// <summary>
/// Processes raw input events.
/// </summary>
/// <param name="rin"></param>
/// <returns></returns>
internal bool ProcessKeyboardEvent(API.RawInput rin)
{
//Keyboard key = keyboards[0];
//rin.Header.Device;
switch (rin.Header.Type)
{
case API.RawInputDeviceType.KEYBOARD:
bool pressed =
rin.Data.Keyboard.Message == API.Constants.WM_KEYDOWN ||
rin.Data.Keyboard.Message == API.Constants.WM_SYSKEYDOWN;
// Generic control, shift, alt keys may be sent instead of left/right.
// It seems you have to explicitly register left/right events.
switch (rin.Data.Keyboard.VKey)
{
case API.VirtualKeys.SHIFT:
keyboards[0][Input.Key.ShiftLeft] = keyboards[0][Input.Key.ShiftRight] = pressed;
return false;
case API.VirtualKeys.CONTROL:
keyboards[0][Input.Key.ControlLeft] = keyboards[0][Input.Key.ControlRight] = pressed;
return false;
case API.VirtualKeys.MENU:
keyboards[0][Input.Key.AltLeft] = keyboards[0][Input.Key.AltRight] = pressed;
return false;
default:
if (!WinRawKeyboard.KeyMap.ContainsKey(rin.Data.Keyboard.VKey))
{
Debug.Print("Virtual key {0} not mapped.", rin.Data.Keyboard.VKey);
OpenTK.OpenGL.GL.ClearColor(1.0f, 0.3f, 0.3f, 0.0f);
}
else
{
keyboards[0][WinRawKeyboard.KeyMap[rin.Data.Keyboard.VKey]] = pressed;
OpenTK.OpenGL.GL.ClearColor(0.0f, 0.0f, 0.0f, 0.0f);
}
break;
}
break;
default:
throw new ApplicationException("Windows raw keyboard driver received invalid data.");
}
return false;
}
#endregion
#region --- IInputDevice Members ---
public string Description
{
get { throw new Exception("The method or operation is not implemented."); }
}
public Input.InputDeviceType DeviceType
{
get { return Input.InputDeviceType.Keyboard; }
}
#endregion
#region --- IKeyboardDriver Members ---
public IList<Keyboard> Keyboard
{
get { return keyboards; }
}
#endregion
}
}