I've been busy reading the documentation all day, and can't for the life of
me figure out how to change the editing behavior of an NSCell.
I have a cell, which I'd like to pop up a window over when the user attempts
to edit it (much like many websites do to present a date picker for
example).

I have tried overriding

**
*

- (void)editWithFrame:(NSRect)aRect inView:(NSView *)controlView
editor:(NSText *)textObj delegate:(id)anObject event:(NSEvent *)theEvent

- (void)selectWithFrame:(NSRect)aRect inView:(NSView *)controlView
editor:(NSText *)textObj delegate:(id)anObject start:(NSInteger)selStart
length:(NSInteger)selLength

and

- (void)endEditing:(NSText *)textObj


with only limited success.  selectWithFrame... appears to give me a slightly
bogus rectangle (about 50 pixels off to the upper left, after running it
through [controlView convertPointToBase:aRect.origin]), while
editWithFrame... and endEditing... never seem to be called.


What is the correct way to set up such behaviour?


Thanks


Bob

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