Re: Getting notified when the contents of the pasteboard changes

FROM : Sam Taylor
DATE : Thu Jan 09 23:50:15 2003

Hello,

I am pretty sure there is no 'official' way of doing it. +poseAsClass
will only work within your own application (all other applications will
still be using the standard NSPasteboard class).

The only way to do this (I think) is to use something like Application
Enhancer from Unsanity. The SDK is somewhere on their website at
www.unsanity.com. This allows you to load bundles of arbitrary code
into other applications, as well as patching functions. You could make
a bundle that patches all the carbon and cocoa pasteboard calls to find
out what is happening. APE will then load this bundle inside all other
applications. The bundle will have to have some way of communicating
back with your application (maybe distributed notifications, but I
don't know whether that'll work from within Carbon applications).

Of course, Apple doesn't support any of this, and it defeats the
purpose of protected memory, so use at your own risk...

Sam Taylor

On Thursday, January 9, 2003, at 07:46  pm,
<email_removed> wrote:

> Hi,
>
> I've seen at least two people ask this on the list before, and I
> don't think they got any answers, but maybe with new versions of the
> OS there is finally a way to do this now. Is there a way to be
> notified whenever the contents of the generalPasteboard changes?
>
> For my purposes it wouldn't suffice to reload the data from the
> pasteboard on a timer or when the app is switched to, or anything
> like that... I want to get every change. If there is no built-in way
> of doing it (and I suspect there isn't since other people haven't
> found it) could it perhaps be done by overriding declareTypes:owner:
> and using +poseAsClass?
> --
> Angela Brett
> <email_removed>
> http://acronyms.co.nz/angela

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