Sometimes these implicit interfaces are just too obtuse. I wasted a DAY figuring this out.
I needed to mark my class (SakaiDesktop) as a delegate for a NSOutlineView control on my window. I knew that it had something to do with dragging. The last step is what is missing.
Place Mouse over the Outline Control on the Window
Control-Drag from the Window to the instance of SakaiDesktop and release
The Inspector will switch to Outlets (this is what kept confusing me)
Switch *back* to Actions in the Inspector – delegate and datasource will be there – click on the row for delegate and the instance willbe the designated delegate.
Funny how this did not work:
[myOutline setDelegate:self];
When I did it in init.
The problem I had was without being set to the delegate, the
– (void)outlineViewSelectionDidChange:(NSNotification *)notification
Notifications were not being delivered.
If the people who built NIB builder just made it so that picking a delegate used a drop down list instead of this multi-click gymnastics, I would be much happier.