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It appears to me as if this functionality does not exist. I don't believe it to be too hard, however. Here's what I'm thinking:

Change register<Blah> to return a handle to the callback (its index into the corresponding callback vector)
Keep that handle around for callbacks that will need unregistered at some point (user's responsibility)
Add an unregister<Blah> function to erase the element indicated by the handle, invoke it as a transaction

It seems as though this would work, because the do<Blah> functions first check the size, so if the unregister<Blah> happen at a safe point (during transaction processing), this shouldn't be an issue, right? Or am I missing something?

Comments?

C

On Aug 16, 2006, at 10:14 AM, Christiaan Paul Gribble wrote:

Hi,

Is there a way to unregister a callback? I only want it to execute under certain conditions (that tend to persist over a large number of frames), and when the termination criteria are reached, I'd like to unregister the callback. I could accomplish the same thing by having each frame that meets the criteria register a OneShot for the next frame, but that seems like a lot of overhead, given that the callback will persist for some time (e.g., over the course of a camera path).

Ideas?

C

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• [MANTA] Unregister a callback?, Christiaan Paul Gribble, 08/16/2006
  • Re: [MANTA] Unregister a callback?, Christiaan Paul Gribble, 08/16/2006
    • Re: [MANTA] Unregister a callback?, Christiaan Paul Gribble, 08/16/2006
      • Re: [MANTA] Unregister a callback?, Steven G. Parker, 08/16/2006
        • Re: [MANTA] Unregister a callback?, Andrew Kensler, 08/16/2006
      • Re: [MANTA] Unregister a callback?, Abe Stephens, 08/16/2006

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