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Is there any way to enable inverse scrolling like on Mac OSX?

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5 Answers 5

up vote 8 down vote accepted

You can use "Natural Scrolling" to have a system wide inverse scrolling.

What is Natural Scrolling?

Natural Scrolling is a GNOME Applet allowing you to reverse the direction of scrolling. You push your fingers upwards to move the page content upwards (and downwards for downwards) just like on iOS devices. Don't move scrollbars anymore but your file.

Install Natural Scrolling:

Natural Scrolling can be installed from its PPA.

Hit Alt+Ctrl+T to open terminal and run following commands:

sudo add-apt-repository ppa:zedtux/naturalscrolling
sudo apt-get update
sudo apt-get install naturalscrolling

How to enable Natural Scrolling?

Once installed, Hit Super key (Windows key) to open Unity dash and search for "natural scrolling" and open it. You'll see a new indicator in Unity panel, Click on it and select your device. In the preferences you can set it to start at login. That's it!

enter image description here

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1  
Is it possible to hide the icon? –  Steven Roose Jul 31 '12 at 16:09
3  
It didn't work on system windows such as nautilus and USC. –  Nur Apr 26 '13 at 7:40

The Natural Scrolling application referred to in Basharat Sial's answer does not fix natural scrolling in certain system windows.

As an alternative, I recommend the guide provided in this answer. You won't need the natural scrolling application anymore when you use his guide.

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You can also use Ubuntu Tweak tool to enable natural scrolling (misc settings)

Screenshot: http://i.imgur.com/az1KFnB.png

Official homepage with .deb distributive: http://ubuntu-tweak.com/

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There are several ways to enable system-wide inverse or natural scrolling for the mouse. Only two ways I have tried will enable it for all windows, including gedit, terminal, software center, nautilus, and others. The easiest way to do it is to do the following. This method will need the latest version of the xserver-xorg-input-evdev driver, which you can get from here. I know it will work because I am using it and tested it previous to writing this version of a guide I previously wrote for Fedora 21. Make sure that you have reverse scrolling turned off in Ubuntu-Tweak, or you won't see the effect of the changes. In addition, for those users who do not want to use natural scrolling on your system now that reverse scrolling will be system-wide, those users can use this option to turn off natural scrolling on a per user basis. Now, to get started...

Update/install Evdev to latest version and reboot before continuing this guide.

Get your mouse device id by running the following in a terminal:

xinput list

Take that number you got (just the number after "id=") and replace "{device id}" with that number in the following command:

xinput list-props {device id} | grep "Scrolling Distance"

It is case sensitive unless you use -i in the grep command. Write down the numbers you find in the output from that command (in my case it was the number 1, shown three times and separated by commas). You will use the negative values of the numbers you get in your output. Also, make sure to write down the property number (it will be in parentheses in the output; in my case it was (272) in Ubuntu and (273) in Fedora).

Note: If you get no output containing the property "Scrolling Distance" this method will not work for you and you will need to stop here and skip to the alternate way shown below this guide.

Run the following command in your open terminal:

sudo touch /usr/share/X11/xorg.conf.d/20-natural-scrolling.conf

Now, run the following command (you can use your favorite text editor instead of nano but I use nano):

sudo nano /usr/share/X11/xorg.conf.d/20-natural-scrolling.conf

In the file you have opened in your preferred text editor, paste the following (but be sure to change the numbers to the same comma-separated numbers you got from step 3; in my case the number was 1 so I put -1):

Section "InputClass"
        Identifier "Natural Scrolling"
        MatchIsPointer "on"
        MatchDevicePath "/dev/input/event*"
        Option "VertScrollDelta" "-1"
        Option "HorizScrollDelta" "-1"
        Option "DialDelta" "-1"
EndSection

Save the file and exit the text editor. No need for a reboot. Just issue the following command (substituting the property number and the negatives of the numbers you got in the third step, and the device id you got from the second step):

xinput set-prop {device id} {property number} -1 -1 -1

You might need to quit nautilus and restart nautilus on some systems (skip this if natural scrolling is working in nautilus after running the above command). Press Alt+F2 and run each of these commands separately:

nautilus -q

nautilus -n

That's it! You should now have system-wide natural scrolling that will be persistent.

Alternate method:

If you do not want to install the latest version of Evdev (or, if your mouse doesn't have the "Scrolling Distance" property even in the latest Evdev), you can do the following:

Run the following command in your open terminal:

sudo touch /usr/share/X11/xorg.conf.d/20-natural-scrolling.conf

Now, run the following command (you can use your favorite text editor instead of nano but I use nano):

sudo nano /usr/share/X11/xorg.conf.d/20-natural-scrolling.conf

In the file you have opened in your preferred text editor, paste the following:

Section "InputClass"
        Identifier "natural scrolling for mouse wheel"
        MatchIsPointer "on"
        MatchDevicePath "/dev/input/event*"
        Driver "mouse"
        Option "Device" "/dev/input/mice"
        Option "Protocol" "Auto"
        Option "ZAxisMapping" "5 4"
EndSection

Save the file and reboot. As above, individual users can switch it off on a per-user basis by using Ubuntu-Tweak to "turn on" natural scrolling (it will be the reverse of the system-wide setting on a per-user basis but will not affect the actual system setting for other users who will want to use natural scrolling).

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In newer versions of GNOME (starting from at least 3.6), installing an extension is no longer required. It can be found under the standard GNOME "Mouse and Touchpad"-settings. Somewhat confusingly however, the Gnomesters decided to call it "Content sticks to fingers".

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