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NSTableView, validateDrop: not called on same row

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NSTableView, validateDrop: not called on same row

Subject: NSTableView, validateDrop: not called on same row
From: Brian Amerige <email@hidden>
Date: Thu, 25 Jan 2007 23:46:11 -0500

Hi all,

I've got a tableview that implements the validate/accept drop methods, and in order for my app to properly respond to an option- drag (NSDragOperationCopy), it needs to enter the validateDrop method. I've noticed, however, it does not call this method until the row I'm hovering over is different than the row the drag started from -- which is a problem, considering if a user drags a tiny bit (same row as start), then pushes option (to duplicate), it will never get noticed.

Is this normal behavior? If so, any recommendations for alternatives to detecting an option-drag in this scenario?

Thanks,
Brian.

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