Re: [AD] [PATCH] Fixed MacOS X issue where mice with more than one HIDusage/usagePage in the USB descriptor would fail to bedetected as a mouse.

["Trent Gamblin" <trent@xxxxxxxxxx>]

Thanks, will test it out soon and let you know/apply it (looks OK).

Trent

----- Original Message ----- 
From: "Dennis Munsie" <dmunsie@xxxxxxxxxx>
To: <alleg-developers@xxxxxxxxxx>
Sent: Wednesday, July 30, 2014 1:35 PM
Subject: [AD] [PATCH] Fixed MacOS X issue where mice with more than one 
HIDusage/usagePage in the USB descriptor would fail to bedetected as a 
mouse.


Hi Everyone —

First time post/patch to here, so forgive me if I did something wrong.  This 
patch is to fix the OS X HID code to detect mice when they are part of 
multi-function devices.  In particular, I have a Microsoft Optical Mouse 
with Tilt Wheel that reports back multiple usage/usagePage values, and it’s 
primary values don’t happen to be generic desktop/mouse.

Thanks!
dennis

---
src/macosx/hidman.m | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/macosx/hidman.m b/src/macosx/hidman.m
index 6e5ac65..f62ee07 100644
--- a/src/macosx/hidman.m
+++ b/src/macosx/hidman.m
@@ -372,8 +372,8 @@ HID_DEVICE_COLLECTION *_al_osx_hid_scan(int type, 
HID_DEVICE_COLLECTION* col)
 /* Add key for device type to refine the matching dictionary. */
 usage_ref = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &usage);
 usage_page_ref = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, 
&usage_page);
- CFDictionarySetValue(class_dictionary, CFSTR(kIOHIDPrimaryUsageKey), 
usage_ref);
- CFDictionarySetValue(class_dictionary, CFSTR(kIOHIDPrimaryUsagePageKey), 
usage_page_ref);
+ CFDictionarySetValue(class_dictionary, CFSTR(kIOHIDDeviceUsageKey), 
usage_ref);
+ CFDictionarySetValue(class_dictionary, CFSTR(kIOHIDDeviceUsagePageKey), 
usage_page_ref);
 }
 result = IOServiceGetMatchingServices(master_port, class_dictionary, 
&hid_object_iterator);
 if ((result == kIOReturnSuccess) && (hid_object_iterator)) {
--
1.9.3 (Apple Git-50)


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