Am 12.03.2010 um 03:13 schrieb Mazen M. Abdel-Rahman:

> For the calendar grid I was creating an NSTrackingArea for each cell - in my 
> case (the calendar is for 7 days with 15 minutes per cell) there was 672 
> NSTrackingAreas.
> 
> I will have to look at alternative solutions to all these NSTrackingAreas to 
> improve the performance.

Erm, you are using tracking areas to subdivide into a rectangular grid instead 
of 

dayOfWeek = x /  dayItemWidth; 
selectedTime =  0.25f *  ((dayHeight - y) /  timeSectionHeight  );

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