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How to find all clipping siblings for a view?

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How to find all clipping siblings for a view?

Subject: How to find all clipping siblings for a view?
From: Alexander Bokovikov <email@hidden>
Date: Fri, 16 Apr 2010 02:06:47 +0600

Hi, All,

For some reason I need to do a job which NSWindow usually does, when it redraws itself (AFAIU) - I need to find all its views, which have z- order higher than my view, then get their bounding rectangles, unite them, subtract from the window content view bounding rectangle and sect the result with my view bounding rectangle. This is because my view uses QuickDraw to redraw itself, but those functions draw on screen directly (AFAIU) and don't take into account other views, located above current view.

Could anybody show the right way to go?

Thanks in advance. _______________________________________________

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