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Re: [BUG] Cursor Flicker

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Re: [BUG] Cursor Flicker

Subject: Re: [BUG] Cursor Flicker
From: Graham Cox <email@hidden>
Date: Wed, 1 Apr 2009 12:18:40 +1100


On 01/04/2009, at 4:46 AM, Eric Gorr wrote:

There is a bug when changing from [[NSCursor arrowCursor] set] to a NSCursor based on a 64x64 PNG.
Basically, there is some horrible cursor flickering.
For a demonstration of this bug, please check out the sample application at:
http://ericgorr.net/cocoadev/CursorFlicker.zip
I have filed a bug as well: rdar://6741558

But it's not a bug - you are making it flicker by repeatedly switching it between the two cursors.

WAYTTD?

As your while loop runs it will set the arrow cursor every 4th time (x % 2), and the large cursor otherwise. It's impossible to tell what you expected or intended, but overall it looks like a weird thing to do.

--Graham


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References:  
  >[BUG] Cursor Flicker (From: Eric Gorr <email@hidden>)




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