Re: Custom pasteboard types?
Re: Custom pasteboard types?
- Subject: Re: Custom pasteboard types?
- From: Bryan Prusha <email@hidden>
- Date: Wed, 31 Aug 2005 12:50:43 -0700
On Aug 31, 2005, at 12:44 PM, Jeff LaMarche wrote:
I've got a view that's both a drag source and drag destination.
Dragging to and from other objects (where I've used delivered
pasteboard types like PBTIFFPboardType) works fine, dragging from
one of these views to another one of them, however, doesn't work.
What I've tried to do is to declare a custom Pasteboard type, which
I can use to copy all attributes between two views of the same
kind. Using the type seems to work - I'm able to put objects on the
pasteboard using it, and when I retrieve the list of types from the
pasteboard, the type shows up as available.
But no matter what I do, the object I put on the pasteboard doesn't
come through. It's an NSDictionary, and it's not nil, but I get a
nil object on the other end of the drag. This happens if I use
setPropertyList:forType: setData:forType: (archiving the data with
an NSKeyedArchiver) or setString:forType.
Can anyone think of what I might be doing wrong? Is it acceptable
to declare custom pasteboard types like this?
It doesn't sound like the custom pasteboard type is the problem,
but rather the data that is being added. Are all of the sub objects
in the NSDictionary you're serializing CFPropertyList types or
support the NSKeyedArchiver protocol? If not, then I'd wager the
serialization is failing and you're simply adding an empty NSData to
the pasteboard. Can you take a peek at that data before placing it on
the pasteboard to verify?
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