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Re: Non-square (triangular) views
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Re: Non-square (triangular) views


  • Subject: Re: Non-square (triangular) views
  • From: Rosyna <email@hidden>
  • Date: Fri, 17 Nov 2006 03:14:17 -0700

This is the same thing Stephen pointed to and it doesn't answer the question. It just says you have to call usesOptimizedDrawing:NO on the NSWinow to ensure that the order of the subviews is respected when drawing. Furthermore, the only caveat when doing that is that you cannot expect drawing to a view *outside* of drawRect: and company to draw on the correct "layer", which is a complete non-issue for most situations.

Ack, at 11/17/06, Scott Anguish said:

On Nov 16, 2006, at 7:47 PM, Rosyna wrote:

Is there documentation that states this isn't reliable?

View Programming Guide for Cocoa (http://developer.apple.com/documentation/Cocoa/Conceptual/CocoaViewsGuide/index.html#//apple_ref/doc/uid/TP40002978)

specifically in the Adding and Removing Views from a Hierarchy section of the Working with the View Hierarchy article.


The existence of -[NSView sortSubviewsUsingFunction:context:] seems to imply there is a very specific order in the way subviews are drawn and that that order can be changed. Both of which would be required for reliably overlapping views.

http://developer.apple.com/documentation/Cocoa/Reference/ApplicationKit/Classes/NSView_Class/Reference/Reference.html#//apple_ref/occ/instm/NSView/sortSubviewsUsingFunction:context:

--


Sincerely, Rosyna Keller Technical Support/Carbon troll/Always needs a hug

Unsanity: Unsane Tools for Insanely Great People

It's either this, or imagining Phil Schiller in a thong.
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References: 
 >Re: Non-square (triangular) views (From: Erik Buck <email@hidden>)
 >Re: Non-square (triangular) views (From: Rosyna <email@hidden>)

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