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Do not recurse over IOHIDElement children.

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This commit is contained in:
Aaron Jacobs 2015-06-23 13:14:07 -07:00 committed by Camilla Berglund
parent 1a96c294ee
commit fec6f187d1
1 changed files with 40 additions and 52 deletions
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92
src/iokit_joystick.m
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@ -67,65 +67,53 @@ static void addJoystickElement(_GLFWjoydevice* joystick, IOHIDElementRef element
usagePage = IOHIDElementGetUsagePage(elementRef);
usage = IOHIDElementGetUsage(elementRef);
if ((elementType == kIOHIDElementTypeInput_Axis) ||
(elementType == kIOHIDElementTypeInput_Button) ||
(elementType == kIOHIDElementTypeInput_Misc))
{
switch (usagePage)
{
case kHIDPage_GenericDesktop:
{
switch (usage)
{
case kHIDUsage_GD_X:
case kHIDUsage_GD_Y:
case kHIDUsage_GD_Z:
case kHIDUsage_GD_Rx:
case kHIDUsage_GD_Ry:
case kHIDUsage_GD_Rz:
case kHIDUsage_GD_Slider:
case kHIDUsage_GD_Dial:
case kHIDUsage_GD_Wheel:
elementsArray = joystick->axisElements;
break;
case kHIDUsage_GD_Hatswitch:
elementsArray = joystick->hatElements;
break;
}
if ((elementType != kIOHIDElementTypeInput_Axis) &&
(elementType != kIOHIDElementTypeInput_Button) &&
(elementType != kIOHIDElementTypeInput_Misc))
return;
break;
switch (usagePage)
{
case kHIDPage_GenericDesktop:
{
switch (usage)
{
case kHIDUsage_GD_X:
case kHIDUsage_GD_Y:
case kHIDUsage_GD_Z:
case kHIDUsage_GD_Rx:
case kHIDUsage_GD_Ry:
case kHIDUsage_GD_Rz:
case kHIDUsage_GD_Slider:
case kHIDUsage_GD_Dial:
case kHIDUsage_GD_Wheel:
elementsArray = joystick->axisElements;
break;
case kHIDUsage_GD_Hatswitch:
elementsArray = joystick->hatElements;
break;
}
case kHIDPage_Button:
elementsArray = joystick->buttonElements;
break;
default:
break;
break;
}
if (elementsArray)
{
_GLFWjoyelement* element = calloc(1, sizeof(_GLFWjoyelement));
CFArrayAppendValue(elementsArray, element);
element->elementRef = elementRef;
element->minReport = IOHIDElementGetLogicalMin(elementRef);
element->maxReport = IOHIDElementGetLogicalMax(elementRef);
}
case kHIDPage_Button:
elementsArray = joystick->buttonElements;
break;
default:
break;
}
else
if (elementsArray)
{
CFArrayRef array = IOHIDElementGetChildren(elementRef);
if (array)
{
if (CFGetTypeID(array) == CFArrayGetTypeID())
{
CFRange range = { 0, CFArrayGetCount(array) };
CFArrayApplyFunction(array, range, getElementsCFArrayHandler, joystick);
}
}
_GLFWjoyelement* element = calloc(1, sizeof(_GLFWjoyelement));
CFArrayAppendValue(elementsArray, element);
element->elementRef = elementRef;
element->minReport = IOHIDElementGetLogicalMin(elementRef);
element->maxReport = IOHIDElementGetLogicalMax(elementRef);
}
}