This question has already been asked (How to fix GTK3 scrollbar behavior) but I don't know how to implement the answer: If I click in the scrollbar below or above the thumb it moves to the spot I just clicked. This happens in Firefox but not in Opera, the 2 browsers I use. Could someone explain how to fix the problem?


What you want is called "legacy scrolling" in gtk3: edit or create $HOME/.config/gtk-3.0/settings.ini to have


as the first line and


on a subsequent line by itself. This works in most gtk3 applications but is said not to work in some. Alternatively, right-click instead of left-clicking works in all applications. And, if you want legacy scrolling system-wide, sudo edit /etc/gtk-3.0/settings.ini the same way.

  • I need a step by step guidance to implement the solution. Where should I edit or create ...? I probably don't need to know what is gtk3. I just need to know the recipe to fix the problem. Thanks – Thierry Msika May 19 '16 at 15:52
  • I am still waiting for help. I could get used to the new scrollbar behaviour in Firefox but Opera is still using the previous behaviour. I use Opera for a lot of websites. I'd like to have the same behaviour for both browsers. – Thierry Msika May 20 '16 at 22:15
  • Alternately I could change the scrollbar behaviour in Opera to match the one used with Firefox but how? – Thierry Msika May 20 '16 at 22:33
  • Opera now is based on the Chromium browser. It isn't exactly GTK3. So what applies to gtk3 apps may not apply to Opera. – DK Bose May 21 '16 at 16:34
  • 1
    Open a terminal window, and paste in this command: printf "[Settings]\ngtk-primary-button-warps-slider = false\n" >> ~/.config/gtk-3.0/settings.ini – Tor Klingberg Jun 7 '16 at 8:32

You can find out where got changed; during GTK v3.6 merge.

Kristian Rietveld and Michael Natterer introduced the feature but both had since dropped out of GitHub. :-/


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