I have a view-based NSOutlineView, in which I'm using a custom NSTableRowView 
subclass to customise the appearance of the selection. This works fine.

However, because I'm using a gradient effect for the highlight, when there are 
several contiguous rows selected, each row draws a separate gradient giving a 
sort of "corrugated" effect. This is unlike a standard source-style list, which 
applies a gradient to each contiguous range of the selection. I think this 
would look better for our case as well, but according to the documentation, the 
outline view override -highlightSelectionInClipRect: should not be overridden 
for view-based tables. Yet this seems the only way to get a contiguous 
highlight effect.

Am I missing something, or is what I want not possible with a view-based table?

--Graham



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