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Re: PDFView drawPage called often after selecting text
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Re: PDFView drawPage called often after selecting text


  • Subject: Re: PDFView drawPage called often after selecting text
  • From: Andy Lee <email@hidden>
  • Date: Tue, 08 Jan 2013 08:46:34 -0800

On Jan 8, 2013, at 3:59 AM, Martin Hewitson <email@hidden> wrote:
> Maybe not. I just didn't know about this, but I will read up on it. However, as far as my tests show, -drawRect: is never called on PDFView.

This seemed really odd, so I checked and it turns out there is a view hierarchy under PDFView. When you drop a PDFView into IB you can see it looks a lot like an NSScrollView. I bet it's one of those descendant views that is getting setNeedsDisplay: and drawRect: calls, which is why you didn't see them being called on your PDFView.

--Andy

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References: 
 >PDFView drawPage called often after selecting text (From: Martin Hewitson <email@hidden>)
 >Re: PDFView drawPage called often after selecting text (From: Martin Hewitson <email@hidden>)
 >Re: PDFView drawPage called often after selecting text (From: Kyle Sluder <email@hidden>)
 >Re: PDFView drawPage called often after selecting text (From: Martin Hewitson <email@hidden>)
 >Re: PDFView drawPage called often after selecting text (From: Kyle Sluder <email@hidden>)
 >Re: PDFView drawPage called often after selecting text (From: Martin Hewitson <email@hidden>)

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