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[Mac] Only add callbacks for recognized USB HID devices

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This commit is contained in:
thefiddler 2014-01-05 00:00:49 +01:00
parent c44b477388
commit bf8efea121
1 changed files with 24 additions and 8 deletions
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32
Source/OpenTK/Platform/MacOS/HIDInput.cs
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@ -127,58 +127,74 @@ namespace OpenTK.Platform.MacOS
void DeviceAdded(IntPtr context, IOReturn res, IntPtr sender, IOHIDDeviceRef device)
{
bool recognized = false;
if (NativeMethods.IOHIDDeviceOpen(device, IOOptionBits.Zero) == IOReturn.Zero)
{
if (NativeMethods.IOHIDDeviceConformsTo(device,
HIDPage.GenericDesktop, (int)HIDUsageGD.Mouse))
{
AddMouse(sender, device);
recognized = true;
}
if (NativeMethods.IOHIDDeviceConformsTo(device,
HIDPage.GenericDesktop, (int)HIDUsageGD.Keyboard))
{
AddKeyboard(sender, device);
recognized = true;
}
if (NativeMethods.IOHIDDeviceConformsTo(device,
HIDPage.GenericDesktop, (int)HIDUsageGD.Joystick))
{
AddJoystick(sender, device);
recognized = true;
}
// The device is not normally available in the InputValueCallback (HandleDeviceValueReceived), so we include
// the device identifier as the context variable, so we can identify it and figure out the device later.
// Thanks to Jase: http://www.opentk.com/node/2800
NativeMethods.IOHIDDeviceRegisterInputValueCallback(device,
HandleDeviceValueReceived, device);
if (recognized)
{
// The device is not normally available in the InputValueCallback (HandleDeviceValueReceived), so we include
// the device identifier as the context variable, so we can identify it and figure out the device later.
// Thanks to Jase: http://www.opentk.com/node/2800
NativeMethods.IOHIDDeviceRegisterInputValueCallback(device,
HandleDeviceValueReceived, device);
NativeMethods.IOHIDDeviceScheduleWithRunLoop(device, RunLoop, InputLoopMode);
NativeMethods.IOHIDDeviceScheduleWithRunLoop(device, RunLoop, InputLoopMode);
}
}
}
void DeviceRemoved(IntPtr context, IOReturn res, IntPtr sender, IOHIDDeviceRef device)
{
bool recognized = false;
if (NativeMethods.IOHIDDeviceConformsTo(device, HIDPage.GenericDesktop, (int)HIDUsageGD.Mouse) &&
MouseDevices.ContainsKey(device))
{
RemoveMouse(sender, device);
recognized = true;
}
if (NativeMethods.IOHIDDeviceConformsTo(device, HIDPage.GenericDesktop, (int)HIDUsageGD.Keyboard) &&
KeyboardDevices.ContainsKey(device))
{
RemoveKeyboard(sender, device);
recognized = true;
}
if (NativeMethods.IOHIDDeviceConformsTo(device, HIDPage.GenericDesktop, (int)HIDUsageGD.Joystick) &&
JoystickDevices.ContainsKey(device))
{
RemoveJoystick(sender, device);
recognized = true;
}
NativeMethods.IOHIDDeviceRegisterInputValueCallback(device, IntPtr.Zero, IntPtr.Zero);
NativeMethods.IOHIDDeviceUnscheduleWithRunLoop(device, RunLoop, InputLoopMode);
if (recognized)
{
NativeMethods.IOHIDDeviceRegisterInputValueCallback(device, IntPtr.Zero, IntPtr.Zero);
NativeMethods.IOHIDDeviceUnscheduleWithRunLoop(device, RunLoop, InputLoopMode);
}
}
void DeviceValueReceived(IntPtr context, IOReturn res, IntPtr sender, IOHIDValueRef val)