On Mar 2, 2011, at 1:58 PM, Corbin Dunn wrote:
>
> On Mar 2, 2011, at 1:54 PM, Quincey Morris wrote:
>
>> On Mar 2, 2011, at 13:04, Eric Gorr wrote:
>>
>>> I am using the 10.5 SDK, so don't have access to
>>> -setDraggingDestinationFeedbackStyle:
>>>
>>> What are my options for customizing the drop highlighting for a NSTableView?
>>>
>>> The highlighting I want is for it to draw the drop indicator between rows
>>> and to never highlight an entire row. If this is possible under the 10.5
>>> SDK, I would be interested in being pointed to it.
>>
>> If you return 'NSTableViewDropAbove' from the
>> 'tableView:validateDrop:proposedRow:proposedDropOperation:' on 10.5, I don't
>> think it will ever highlight a row. Isn't that what you want?
>>
>
> No...don't do that :).
> tableView:validateDrop:proposedRow:proposedDropOperation expects an
> NSDragOperation result (I had said a BOOL, so I was wrong too!). Return
> NSDragOperationNone if dropOperation==NSTableViewDropOn. It will call you
> again with NSTableViewDropAbove.
Really? I never realized that. I always used setDropItem:dropChildIndex: (in an
outline view, for example) to redirect the drop when I want only
NSTableViewDropOn, or never want NSTableViewDropOn.
Can the docs be a little more clear on this point, or did I just miss it?
john
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