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A comment on Sandboxed Mac apps can record screen any time without you knowing. Parent comment

Re:Sandboxed Mac apps can record screen any time without you... by pdkl95 on Saturday February 10, 2018 @09:30PM (#16350844)
> any app can subscribe to events of any other app

Yes, that's a feature I have used many times in the past. If you want to sandbox an app, run it through a nested X server.

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Re:Sandboxed Mac apps can record screen any time without you... by TeMPOraL on Sunday February 11, 2018 @04:29AM (#16351946)
Indeed.

And for Windows, more than once I wrote stuff that captures or injects keystrokes globally. Being able to do this is a feature that lets you solve problems by making things more interoperable.

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Re:Sandboxed Mac apps can record screen any time without you... by noway421 on Saturday February 10, 2018 @10:04PM (#16350958)
AFAIK you can't get any hardware acceleration that way.
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Re:Sandboxed Mac apps can record screen any time without you... by badsectoracula on Saturday February 10, 2018 @11:44PM (#16351242)
Depends on the X server, i think Xnest uses just a dumb framebuffer but i think Xephyr can use acceleration just fine.
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