Re: monitor the clipboard?

FROM : David Dunham
DATE : Tue Dec 21 23:29:57 2004

On 11 Dec 2004, at 13:00, Jim Thomason wrote:

> Ideally, I'd like the equivalent of the Pasteboard pasting a
> "NSPasteBoardDidChange" notification (or something like it) that I
> could just monitor and react to. But I don't believe there's anything
> actually like that.


I think someone already hinted at this:

On 22 Apr 2001, at 09:20, Chris Kane wrote:

> Functionality (private) like this used to exist.  It turned out to be
> a bad idea for system/app  performance.
>
> What happened was that eventually, essentially every app was
> interested in some aspect or other of the general pasteboard (and
> others to a lesser extent), so every time the user did a cmd-C, in
> addition to the normal work that goes on, the pasteboard server had to
> send every "observer" app for that pasteboard a message noting the
> change, and every app received it, woke up, swapped in a bunch of code
> and data to process the message, etc.
>
> Chris Kane
> Cocoa Frameworks, Apple, Inc.


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