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Felitendo 004094ef78 feat: turn off KDE's middle-click paste

Inside a Chromium application the flag settles this on its own - with
autoscroll on, Blink stops pasting the primary selection. Everywhere else
on the desktop middle click goes on pasting, which is the thing this whole
program exists to get away from.

KWin has a switch for it, on Wayland, where the paste is a protocol the
compositor either offers or does not: EnablePrimarySelection in kwinrc.
Written with kwriteconfig, the way System Settings would, because kwinrc
has a cascade behind it. What the key said before goes in the ledger, so
disable puts it back - and a key that already said false is left alone and
not recorded, so a paste the user switched off themselves is never
switched back on.

X11 has no such switch and nothing is written there.

2026-09-08 13:30:43 +02:00

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middleclick-autoscroll

middleclick-autoscroll (what a great name, wow) is a CLI for linux that enables autoscroll in every application that supports it. Works with browsers, electron apps like discord and spotify, steam, and anything else that runs on chromium.

This tool looks at which of your apps run chromium under the hood and applies the necessary steps to get autoscrolling working (often just a feature flag). One install, one command and autoscroll ✨just works✨ (like on windows).

How to use

Just run middleclick-autoscroll. This will open the configuration TUI that looks like this:

  Middle-Click Autoscroll

  Autoscroll                     ON

  Applications covered           11 of 13
  Not identified                 1 - see the applications list
  Steam                          ON
  New applications               ON
  Middle-click paste             off
  Last applied                   2 minutes ago

  Applications pick this up the next time they are started.

  [1] Turn autoscroll on or off
  [2] Re-apply everything
  [3] Applications
  [4] Settings
  [q] Quit

  >

Normally you just need to press [1] and the magic is done. Pressing [3] lets you see every app that was found and toggle each one individually.

  Applications

  ▸ Steam                              on (Steam)
    Chromium                           on (launcher)
    Discord                            on (flag file)
    Obsidian                           on (launcher)
    Spotify                            on (launcher)
    Slack                              off
    Cursor                             cannot tell

  Up/Down select - Space turns one on or off - q goes back

You can also press [4] for more settings.

How to install

Arch (for the cachyos enjoyers)

yay -S middleclick-autoscroll

Fedora (for the mentally stable)

sudo curl -fsSL -o /etc/yum.repos.d/middleclick-autoscroll.repo \
  https://felitendo.github.io/middleclick-autoscroll/middleclick-autoscroll.repo
sudo dnf install middleclick-autoscroll

Debian (for the elderly)

sudo install -d -m 0755 /etc/apt/keyrings
curl -fsSL https://felitendo.github.io/middleclick-autoscroll/KEY.gpg \
  | sudo gpg --dearmor -o /etc/apt/keyrings/middleclick-autoscroll.gpg
echo "deb [signed-by=/etc/apt/keyrings/middleclick-autoscroll.gpg] https://felitendo.github.io/middleclick-autoscroll/deb ./" \
  | sudo tee /etc/apt/sources.list.d/middleclick-autoscroll.list
sudo apt update && sudo apt install middleclick-autoscroll

openSUSE (for both of you)

sudo rpm --import https://felitendo.github.io/middleclick-autoscroll/KEY.gpg
sudo zypper addrepo --gpgcheck --refresh \
  https://felitendo.github.io/middleclick-autoscroll/rpm middleclick-autoscroll
sudo zypper install middleclick-autoscroll

How it works

Blink (the engine in Chromium, Electron, and CEF) already has autoscroll, but it's off on Linux by default because middle click normally pastes the clipboard (??). This flag turns it on:

--enable-blink-features=MiddleClickAutoscroll

But doing that for every app is kinda bothersome and it also might break with updates. That's why I created this small tool to automate that.

Browsers get the same thing but this time without "blink":

--enable-features=MiddleClickAutoscroll

But both do the same ¯_(ツ)_/¯

New apps are picked up by a systemd path unit that watches the relevant directories. If you hate systemd; middleclick-autoscroll apply does the same thing manually.

Commands

Command
`middleclick-autoscroll`	Interactive menu
`… enable`	Turn on, apply, start watching
`… disable`	Undo everything
`… apply`	Apply to new apps
`… apply --rebuild`	Redo from scratch
`… status`	What's covered
`… list`	All apps and how they're handled

Building from source

make
sudo make install

Optionally needs msgfmt (gettext) for translations and scdoc for the man page. Supports PREFIX and DESTDIR. make check runs syntax checks and shellcheck.

See packaging/README.md for release builds and repo signing.

License

GPL-3.0-or-later.

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