On 22 Jun '08, at 8:41 AM, William Squires wrote:
If I hover the mouse over the content region of the NSTableVIew, a spurious tableView:objectValueForColumn:row shows up in the console log (note that I'm not clicking on anything, just hovering the mouse over the NSTableView)
I'd guess this is due to the Leopard feature that shows the entire cell contents in a tooltip-like floating view after you've hovered over the cell for a second. It has to get the cell contents and then measure the pixel width to see if it fits in the cell, before deciding to show the expansion view.
(Remember, the table never remembers the contents of any table cells! Any time it has to get the value in a cell, it asks your data source for it. That's what makes NSTableView scalable to millions of rows. Don't worry about it; it's a feature.)
—Jens
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