private void CloseJoystick(LinuxJoystickDetails js)
{
Sticks.Remove(js.FileDescriptor);
Libc.close(js.FileDescriptor);
js.FileDescriptor = -1;
js.State = new JoystickState(); // clear joystick state
js.Caps = new JoystickCapabilities();
}
private void RemoveUnknownPlaceDevice(DeviceCollection devices)
{
for (int i = devices.Count - 1; i >= 0; i--)
{
IDevice device = devices[i];
if (device is PlaceDeviceBase)
{
PlaceDeviceBase placeDevice = device as PlaceDeviceBase;
if (placeDevice.Place == FluxPlace.Unknown)
{
devices.Remove(device);
}
}
}
}
private void RemoveUnknownPlaceDevice(DeviceCollection devices)
{
for (int i = devices.Count -1; i >= 0; i--)
{
IDevice device = devices[i];
if (device is PlaceDeviceBase)
{
PlaceDeviceBase placeDevice = device as PlaceDeviceBase;
if (placeDevice.Place == FluxPlace.Unknown)
{
devices.Remove(device);
}
}
}
}
public void RefreshDevices()
{
// Mark all devices as disconnected. We will check which of those
// are connected below.
foreach (var device in Devices)
{
device.SetConnected(false);
}
// Discover joystick devices
int xinput_device_count = 0;
foreach (RawInputDeviceList dev in WinRawInput.GetDeviceList())
{
// Skip non-joystick devices
if (dev.Type != RawInputDeviceType.HID)
{
continue;
}
// We use the device handle as the hardware id.
// This works, but the handle will change whenever the
// device is unplugged/replugged. We compensate for this
// by checking device GUIDs, below.
// Note: we cannot use the GUID as the hardware id,
// because it is costly to query (and we need to query
// that every time we process a device event.)
IntPtr handle = dev.Device;
bool is_xinput = IsXInput(handle);
Guid guid = GetDeviceGuid(handle);
long hardware_id = handle.ToInt64();
Device device = Devices.FromHardwareId(hardware_id);
if (device != null)
{
// We have already opened this device, mark it as connected
device.SetConnected(true);
}
else
{
device = new Device(handle, guid, is_xinput,
is_xinput ? xinput_device_count++ : 0);
// This is a new device, query its capabilities and add it
// to the device list
if (!QueryDeviceCaps(device) && !is_xinput)
{
continue;
}
device.SetConnected(true);
// Check if a disconnected device with identical GUID already exists.
// If so, replace that device with this instance.
Device match = null;
foreach (Device candidate in Devices)
{
if (candidate.GetGuid() == guid && !candidate.GetCapabilities().IsConnected)
{
match = candidate;
}
}
if (match != null)
{
Devices.Remove(match.Handle.ToInt64());
}
Devices.Add(hardware_id, device);
Debug.Print("[{0}] Connected joystick {1} ({2})",
GetType().Name, device.GetGuid(), device.GetCapabilities());
}
}
}
/// <summary> /// Rem ove this device from the collection if present /// </summary> /// <param name="device"></param> /// <returns></returns> public bool RemoveDevice(PlaybackDevice device) => DeviceCollection.Remove(device);