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How to stop Wayland from broadcasting my selected text? (fedia.io)

submitted 2 days ago by BlueKey@fedia.io to c/linux@programming.dev

6 comments fedilink hide all child comments

While fixing a problem with a Wayland app I noticed that the programm got a notification from a Wayland fd whenever I selected some text in any other window (not belonging to the app) and was able to read the contents of the selection.

As I'm not a fan of sharing data without explicit actions (so Ctrl+C, Ctrl+V), is there a way to disable this behaviour of Wayland?

OS info: Fedora 43 KDE

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[–] Telorand@reddthat.com 7 points 2 days ago (1 children)

I thought this was an old feature of Linux (maybe Unix?). Highlighted text gets copied to the buffer, which is useful when you're on the command line (because Ctrl+C ends the current process).

I don't know how you'd change this, but maybe that can give you some clues on what to do.

[–] dohpaz42@lemmy.world 2 points 2 days ago (1 children)

It’s been a hot minute, but wasn’t what you’re referring to done by a third-party app? The original consoles had no real concept of a mouse by default, let alone copy/paste from highlighted text. Any highlighting inside an app (e.g. vi/m) was buffered by the app and not the OS?

[–] Telorand@reddthat.com 2 points 2 days ago

I thought text selection was handled via keyboard. Also been a hot minute since I first learned about this, and not using that buffer has not exactly been a common discussion point, since being able to reuse text is typically a desirable trait!