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I very much like to use the Zukitwo theme as an alternative over the standard Ambiance theme, it is to my taste more easy on the eyes.

However, the theme takes away the scrollbar arrows or "steppers" (which are normally part of the scrollbars in e.g. thunderbird and firefox in the Ambiance theme).

I found this information: https://live.gnome.org/GnomeArt/Tutorials/GtkThemes/GtkScrollbar and was looking around in the gtk stylesheets of the theme:


but I have no experience at all in editing themes to get the arrows back in place again. I was trying to put in there the "GtkScrollbar-has-forward-stepper" and "GtkScrollbar-has-backward-stepper" commands set to "1", but with no effect after reboot.

Could someone perhaps point out to me what tweaks to make to reinstate the scrollbar arrows? I would be happy to learn more about this!

All help is much appreciated!

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1 Answer

up vote 2 down vote accepted

I actually managed to solve my question myself. I will explain here how for those who are interested:

In the folder /usr/share/themes/Zukitwo-Dark/gtk-3.0 edit as root the file gtk-widgets.css. Under /default/ include both lines

-GtkScrollbar-has-forward-stepper: 1;

-GtkScrollbar-has-backward-stepper: 1;

Make sure that the "stepper-size" is set to 13 (not 0)

-GtkRange-stepper-size: 13;

Include the same two lines in the part where is says

.scrollbar {

and also check the stepper-size. Then in the folder /usr/share/themes/Zukitwo-Dark/gtk-2.0 adjust the file "gtkrc": In the Scrollbar part, add

GtkScrollbar    ::has-backward-stepper      = 1

GtkScrollbar    ::has-forward-stepper       = 1

and again check the range:

GtkRange    ::stepper-size          = 13

This should take care of it all and the steppers (arrows) should be back after a logout/login.

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That worked! Although I'm using a theme named Adwaita because it works best for me (old X11 look like I had under IRIX). However, that theme did NOT have any gtk-widgets.css file. I think it should have one though. But I instead edited the said file of Ambiance and Radiance and the steppers appeared! I think that Gnome uses the last gtk-widgets.css file it found and when you switch to a theme where it is missing, that last one, whatever it was, has "side effects" on your current theme. –  Alexis Wilke Sep 26 '13 at 19:42
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