Re: New Lion Event Taps constants?
Re: New Lion Event Taps constants?
- Subject: Re: New Lion Event Taps constants?
- From: Bill Cheeseman <email@hidden>
- Date: Tue, 16 Aug 2011 15:58:02 -0400
On Aug 16, 2011, at 1:21 PM, Bill Cheeseman wrote:
> Three new Quartz event taps integer value type constants appeared in Lion. They are documented nowhere, not even in the CGEventTypes.h header where they are declared. Google turns up nothing. Can anybody tell us what they do? --
>
> kCGMouseEventWindowUnderMousePointer
> kCGMouseEventWindowUnderMousePointerThatCanHandleThisEvent
> kCGScrollWheelEventScrollPhase
I figured out that kCGScrollWheelEventScrollPhase must do the same thing that the new scroll wheel phase constants and the new -phase method do in NSEvent, documented only in the Cocoa AppKit release notes for Lion and, more extensively, in the NSEvent.h header file. Now I wonder if the new NSEvent scrollingDeltaX and scrollingDeltaY features will find their way into event taps, too.
The first two new event taps constants remain a mystery to me.
I'm cross-posting this to the accessibility-dev and quartz-dev lists, because I know some Apple engineers lurk on accessibility-dev who may not lurk on quartz-dev, and vice versa.
--
Bill Cheeseman - email@hidden
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