Mouse3 pasting clipboard

[Populus]

I would love for there to be a toggle to enable or disable mouse3 pasting the clipboard.

It causes issues with scrolling in my browser and messaging client(s) by inputting the clipboard contents, sometimes content I’d rather not accidentally share.

[meven]

@Populus

I would love for there to be a toggle to enable or disable mouse3 pasting the clipboard.

There is one (I made it).
In systemsettings > General Behavior > click > middle click

You will need to log-out to have it take effect IIRC.

[Populus]

I found it, disabled it and restarted but after reboot it still pastes.
Actually, upon closer inspection its behaviour is like this:
paste $clipboard; type “afafaf” and press ‘mouse3’ it will rewrite the string to $clipboard only.

[meven]

@Populus

paste $clipboard; type “afafaf” and press ‘mouse3’ it will rewrite the string to $clipboard only.

Well it depends on the application you are testing with.

Firefox for instance re-implements by itself the feature, despite our compositor (KWin) make it explicitly not to do it.
You can tweak it in Firefox I believe.

There was a discussion regarding this:

How to disable Middle-click paste

I use many tools for drawing diagrams (system design, UI sketches) such as Figma, Canva and Miro. The standard behavior for these tools is to navigate through the document by holding the middle mouse button. But in KDE, it pastes the contents of the clipboard. It’s really annoying, the tools are almost unusable because navigating by keyboard is obviously inconvenient. I tried to disable this behavior by unchecking Middle-click: Pastes selected text, but it doesn’t work. It’s possible to disabl…

[Populus]

Perfect, searching for ‘paste’ in ‘about:config’ solved the problem for me. Thanks.

Edit: Alongside the KDE fix.