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Fix WUP-028 on Catalina, make controller configuration compatible between macOS versions

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This commit is contained in:
Lior Halphon 2020-05-01 00:34:00 +03:00
parent 40562b1c54
commit 5da80062d9
1 changed files with 18 additions and 0 deletions
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18
JoyKit/JOYElement.m
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@ -41,6 +41,24 @@
IOHIDElementRef parent = IOHIDElementGetParent(element);
_parentID = parent? (uint32_t)IOHIDElementGetCookie(parent) : -1;
_device = IOHIDElementGetDevice(element);
/* Catalina added a new input type in a way that breaks cookie consistency across macOS versions,
we shall adjust our cookies to to compensate */
unsigned cookieShift = 0, parentCookieShift = 0;
NSArray *nones = CFBridgingRelease(IOHIDDeviceCopyMatchingElements(IOHIDElementGetDevice(element),
(__bridge CFDictionaryRef)@{@(kIOHIDElementTypeKey): @(kIOHIDElementTypeInput_NULL)},
0));
for (id none in nones) {
if (IOHIDElementGetCookie((__bridge IOHIDElementRef) none) < _uniqueID) {
cookieShift++;
}
if (IOHIDElementGetCookie((__bridge IOHIDElementRef) none) < (int32_t)_parentID) {
parentCookieShift++;
}
}
_uniqueID -= cookieShift;
_parentID -= parentCookieShift;
}
return self;
}