I seem to recall that in 10.5 there is new API, either in
NSTableView or NSActionCell, that makes this easy to do; but I just
looked through both headers and can't find it. Does anyone else
remember?
Yeah, I remember. The DragNDropOutlineView demo shows how.
Basically, you implement:
- (BOOL)tableView:(NSTableView *)tableView shouldTrackCell:(NSCell
*)cell forTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row;
And return YES, even if you don't allow the row to be selected, or if
the table refuses first responder. You could refuse first responder
via -acceptsFirstResponder by looking at [NSApp currentEvent] and
determining if it is hit in the given cell (The demo app does
something like this for refusing to change the row).
corbin
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