static int find_osx_devices(void)
{
IOReturn tIOReturn;
CFMutableDictionaryRef result;
CFSetRef devset;
CFArrayRef matching;
gIOHIDManagerRef = IOHIDManagerCreate( kCFAllocatorDefault, 0L );
tIOReturn = IOHIDManagerOpen( gIOHIDManagerRef, 0L);
if ( kIOReturnSuccess != tIOReturn )
{
ERR("Couldn't open IOHIDManager.\n");
return 0;
}
matching = CFArrayCreateMutable( kCFAllocatorDefault, 0,
&kCFTypeArrayCallBacks );
/* build matching dictionary */
result = creates_osx_device_match(kHIDUsage_GD_Joystick);
if (!result)
{
CFRelease(matching);
return 0;
}
CFArrayAppendValue( ( CFMutableArrayRef )matching, result );
result = creates_osx_device_match(kHIDUsage_GD_GamePad);
if (!result)
{
CFRelease(matching);
return 0;
}
CFArrayAppendValue( ( CFMutableArrayRef )matching, result );
IOHIDManagerSetDeviceMatchingMultiple( gIOHIDManagerRef, matching);
devset = IOHIDManagerCopyDevices( gIOHIDManagerRef );
if (devset)
{
CFIndex countDevices, countCollections, idx;
CFArrayRef gDevices = CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks);
CFSetApplyFunction(devset, CFSetApplierFunctionCopyToCFArray, (void*)gDevices);
CFRelease( devset);
countDevices = CFArrayGetCount(gDevices);
gCollections = CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks);
if (!gCollections)
return 0;
countCollections = 0;
for (idx = 0; idx < countDevices; idx++)
{
CFIndex tTop;
IOHIDDeviceRef tDevice;
tDevice = (IOHIDDeviceRef) CFArrayGetValueAtIndex(gDevices, idx);
tTop = find_top_level(tDevice, gCollections);
countCollections += tTop;
}
CFRelease(gDevices);
TRACE("found %i device(s), %i collection(s)\n",(int)countDevices,(int)countCollections);
return (int)countCollections;
}
return 0;
}
/**************************************************************************
* find_osx_devices
*/
static int find_osx_devices(void)
{
IOHIDManagerRef hid_manager;
int usages[] = { kHIDUsage_GD_Joystick, kHIDUsage_GD_GamePad };
int i;
CFDictionaryRef matching_dicts[sizeof(usages) / sizeof(usages[0])];
CFArrayRef matching;
CFSetRef devset;
TRACE("()\n");
hid_manager = IOHIDManagerCreate(kCFAllocatorDefault, 0L);
if (IOHIDManagerOpen(hid_manager, 0) != kIOReturnSuccess)
{
ERR("Couldn't open IOHIDManager.\n");
CFRelease(hid_manager);
return 0;
}
for (i = 0; i < sizeof(matching_dicts) / sizeof(matching_dicts[0]); i++)
{
matching_dicts[i] = create_osx_device_match(usages[i]);
if (!matching_dicts[i])
{
while (i > 0)
CFRelease(matching_dicts[--i]);
goto fail;
}
}
matching = CFArrayCreate(NULL, (const void**)matching_dicts, sizeof(matching_dicts) / sizeof(matching_dicts[0]),
&kCFTypeArrayCallBacks);
for (i = 0; i < sizeof(matching_dicts) / sizeof(matching_dicts[0]); i++)
CFRelease(matching_dicts[i]);
IOHIDManagerSetDeviceMatchingMultiple(hid_manager, matching);
CFRelease(matching);
devset = IOHIDManagerCopyDevices(hid_manager);
if (devset)
{
CFIndex num_devices, num_main_elements;
const void** refs;
CFArrayRef devices;
num_devices = CFSetGetCount(devset);
refs = HeapAlloc(GetProcessHeap(), 0, num_devices * sizeof(*refs));
if (!refs)
{
CFRelease(devset);
goto fail;
}
CFSetGetValues(devset, refs);
devices = CFArrayCreate(NULL, refs, num_devices, &kCFTypeArrayCallBacks);
HeapFree(GetProcessHeap(), 0, refs);
CFRelease(devset);
if (!devices)
goto fail;
device_main_elements = CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks);
if (!device_main_elements)
{
CFRelease(devices);
goto fail;
}
num_main_elements = 0;
for (i = 0; i < num_devices; i++)
{
IOHIDDeviceRef hid_device = (IOHIDDeviceRef)CFArrayGetValueAtIndex(devices, i);
TRACE("hid_device %s\n", debugstr_device(hid_device));
num_main_elements += find_top_level(hid_device, device_main_elements);
}
CFRelease(devices);
TRACE("found %i device(s), %i collection(s)\n",(int)num_devices,(int)num_main_elements);
return (int)num_main_elements;
}
fail:
IOHIDManagerClose(hid_manager, 0);
CFRelease(hid_manager);
return 0;
}
