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Tracking Rectangle Bounds

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Tracking Rectangle Bounds

Subject: Tracking Rectangle Bounds
From: Richard Somers <email@hidden>
Date: Wed, 18 Jul 2007 10:02:59 -0600

In the Apple "Cocoa Event-Handling Guide" 2006-07-24 page 70 it states "Tracking rectangle bounds are inclusive for the top and left edges, but not for the bottom and right edges."

Indeed this is the case. I have a custom opengl view with a tracking rectangle defined over the entire bounds or the visible rectangle and the row of pixels on the bottom and right edges are dead to tracking.

Why did Apple do this? The documentation gives no clue as to the purpose of this behavior or how it may be circumvented.

In my application I do not want this behavior but it seems that I have it regardless.

Regards, Richard
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