Where are Adwaita, HighContrast and HighContrastInverse GTK themes located in Ubuntu 18.04?
When I opened gnome tweaks in Ubuntu 18.04, I found these 3 themes but could not find the location.
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GTK+ includes the Adwaita and HighContrast themes
Basically, Adwaita and the High Contrast theme are now part of GTK+ (the GIMP Toolkit) and no longer provided as separate themes as Ambiance or Radiance are.
In a comment to this answer ,there is a mention of
gnome-themes-extra with a link to https://packages.ubuntu.com/bionic/amd64/gnome-themes-extra/filelist
The referenced package list has:
/usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/engines/libadwaita.so /usr/share/doc/gnome-themes-extra/NEWS.gz /usr/share/doc/gnome-themes-extra/README.md /usr/share/doc/gnome-themes-extra/changelog.Debian.gz /usr/share/doc/gnome-themes-extra/copyright
In other words, this package does provide
Adwaita, but only for
apt show gnome-themes-extra has:
Description: Adwaita GTK+ 2 theme — engine This is the version of Adwaita, the standard GNOME theme, for the GTK+ 2.x toolkit. . The GTK+ 3.x version is already included in libgtk-3-0. . This package contains the Adwaita theme engine.
In short,there's no way to remove Adwaita or High Contrast themes without removing
libgtk-3-0 itself which will take out a host of applications depending on
You can simulate what will happen by using
-s for ensuring a simulation. Because it's a simulation, there's no need for sudo:
apt purge -s libgtk-3-0
The exact output will depend on what you have on your system.