public void SetPosition(double x, double y)
{
Functions.SetCursorPos((int)x, (int)y);
}
public void RefreshDevices()
{
lock (UpdateLock)
{
// Mark all devices as disconnected. We will check which of those
// are connected later on.
for (int i = 0; i < mice.Count; i++)
{
MouseState state = mice[i];
state.IsConnected = false;
mice[i] = state;
}
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
foreach (RawInputDeviceList dev in ridl)
{
ContextHandle id = new ContextHandle(dev.Device);
if (rawids.ContainsKey(id))
{
// Device already registered, mark as connected
MouseState state = mice[rawids[id]];
state.IsConnected = true;
mice[rawids[id]] = state;
continue;
}
// Unregistered device, find what it is
string name = GetDeviceName(dev);
if (name.ToLower().Contains("root"))
{
// This is a terminal services device, skip it.
continue;
}
else if (dev.Type == RawInputDeviceType.MOUSE || dev.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.
RegistryKey regkey = FindRegistryKey(name);
if (regkey == null)
{
continue;
}
string deviceDesc = (string)regkey.GetValue("DeviceDesc");
string deviceClass = (string)regkey.GetValue("Class") as string;
if (deviceClass == null)
{
// Added to address OpenTK issue 3198 with mouse on Windows 8
string deviceClassGUID = (string)regkey.GetValue("ClassGUID");
RegistryKey classGUIDKey = Registry.LocalMachine.OpenSubKey(@"SYSTEM\CurrentControlSet\Control\Class\" + deviceClassGUID);
deviceClass = classGUIDKey != null ? (string)classGUIDKey.GetValue("Class") : string.Empty;
}
// deviceDesc remained null on a new Win7 system - not sure why.
// Since the description is not vital information, use a dummy description
// when that happens.
if (String.IsNullOrEmpty(deviceDesc))
{
deviceDesc = "Windows Mouse " + mice.Count;
}
else
{
deviceDesc = deviceDesc.Substring(deviceDesc.LastIndexOf(';') + 1);
}
if (!String.IsNullOrEmpty(deviceClass) && deviceClass.ToLower().Equals("mouse"))
{
if (!rawids.ContainsKey(new ContextHandle(dev.Device)))
{
// Register the device:
RawInputDeviceInfo info = new RawInputDeviceInfo();
int devInfoSize = API.RawInputDeviceInfoSize;
Functions.GetRawInputDeviceInfo(dev.Device, RawInputDeviceInfoEnum.DEVICEINFO,
info, ref devInfoSize);
RegisterRawDevice(Window, deviceDesc);
MouseState state = new MouseState();
state.IsConnected = true;
mice.Add(state);
names.Add(deviceDesc);
rawids.Add(new ContextHandle(dev.Device), mice.Count - 1);
}
}
}
}
}
}
public bool ProcessMouseEvent(RawInput rin)
{
RawMouse raw = rin.Data.Mouse;
ContextHandle handle = new ContextHandle(rin.Header.Device);
MouseState mouse;
if (!rawids.ContainsKey(handle))
{
RefreshDevices();
}
if (mice.Count == 0)
{
return(false);
}
// Note:For some reason, my Microsoft Digital 3000 keyboard reports 0
// as rin.Header.Device for the "zoom-in/zoom-out" buttons.
// That's problematic, because no device has a "0" id.
// As a workaround, we'll add those buttons to the first device (if any).
int mouse_handle = rawids.ContainsKey(handle) ? rawids[handle] : 0;
mouse = mice[mouse_handle];
// Set and release capture of the mouse to fix http://www.opentk.com/node/2133, Patch by Artfunkel
if ((raw.ButtonFlags & RawInputMouseState.LEFT_BUTTON_DOWN) != 0)
{
mouse.EnableBit((int)MouseButton.Left);
Functions.SetCapture(Window);
}
if ((raw.ButtonFlags & RawInputMouseState.LEFT_BUTTON_UP) != 0)
{
mouse.DisableBit((int)MouseButton.Left);
Functions.ReleaseCapture();
}
if ((raw.ButtonFlags & RawInputMouseState.RIGHT_BUTTON_DOWN) != 0)
{
mouse.EnableBit((int)MouseButton.Right);
Functions.SetCapture(Window);
}
if ((raw.ButtonFlags & RawInputMouseState.RIGHT_BUTTON_UP) != 0)
{
mouse.DisableBit((int)MouseButton.Right);
Functions.ReleaseCapture();
}
if ((raw.ButtonFlags & RawInputMouseState.MIDDLE_BUTTON_DOWN) != 0)
{
mouse.EnableBit((int)MouseButton.Middle);
Functions.SetCapture(Window);
}
if ((raw.ButtonFlags & RawInputMouseState.MIDDLE_BUTTON_UP) != 0)
{
mouse.DisableBit((int)MouseButton.Middle);
Functions.ReleaseCapture();
}
if ((raw.ButtonFlags & RawInputMouseState.BUTTON_4_DOWN) != 0)
{
mouse.EnableBit((int)MouseButton.Button1);
Functions.SetCapture(Window);
}
if ((raw.ButtonFlags & RawInputMouseState.BUTTON_4_UP) != 0)
{
mouse.DisableBit((int)MouseButton.Button1);
Functions.ReleaseCapture();
}
if ((raw.ButtonFlags & RawInputMouseState.BUTTON_5_DOWN) != 0)
{
mouse.EnableBit((int)MouseButton.Button2);
Functions.SetCapture(Window);
}
if ((raw.ButtonFlags & RawInputMouseState.BUTTON_5_UP) != 0)
{
mouse.DisableBit((int)MouseButton.Button2);
Functions.ReleaseCapture();
}
if ((raw.ButtonFlags & RawInputMouseState.WHEEL) != 0)
{
mouse.SetScrollRelative(0, (short)raw.ButtonData / 120.0f);
}
if ((raw.ButtonFlags & RawInputMouseState.HWHEEL) != 0)
{
mouse.SetScrollRelative((short)raw.ButtonData / 120.0f, 0);
}
if ((raw.Flags & RawMouseFlags.MOUSE_MOVE_ABSOLUTE) != 0)
{
mouse.X = raw.LastX;
mouse.Y = raw.LastY;
}
else
{ // Seems like MOUSE_MOVE_RELATIVE is the default, unless otherwise noted.
mouse.X += raw.LastX;
mouse.Y += raw.LastY;
}
lock (UpdateLock)
{
mice[mouse_handle] = mouse;
return(true);
}
}