I am using Ubuntu 18.04 with Arc Darker theme. Is there any resource which we can refer to what applies where ? Something like we change the CSS through inspect element
in the browser. I would like to replace certain elements with my choice of colours locally. Any help will be great.
GTK 3 has an inspector that you can use out of the box to inspect the CSS and other aspects of the application’s UI. For the Shell, there’s looking glass.
Thanks @ebassi
When I tried the command, this is what I get
$ gsettings set org.gtk.Settings.Debug enable-inspector-keybinding true
No such schema “org.gtk.Settings.Debug”
The schema is provided by GTK itself, so I’d look into what your distribution is doing.
What should I do now ? I didn’t quite understand what is wrong. Thanks.
You may need to install development files, named something like libgtk-3-dev, to get the inspector keybinding to work. Or you could try it with the GTK_DEBUG=interactive environment variable.
Installed libgtk-3-dev through Synaptic Package Manager. And used dconf to set keybindng as True
. Still nothing happens for ctrl+shift + d/i
Then I tried
gsettings set org.gtk.Settings.Debug enable-inspector-keybinding true
and
GTK_DEBUG=interactive nautilus
Even after this second approach, nothing happened.
GTK_DEBUG=interactive gedit
The above one works. But not with nautilus or GIMP, I tried.
Update :
It works with Nautilus too. But I have keep Nautilus closed and the command will invoke it.
GIMP uses GTK 2, so it won’t have an inspector. Only GTK 3 applications will.
Nautilus is a single instance application: every time you invoke it, if it’s already running, it will not create a new instance in parallel, but it will tell the currently running instance to open a new window instead. You have to close all running windows of Nautilus to start a new instance.
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