How can you change the GTK Theme and Window Decorations separately in Unity?
You can try to change the Window theme and the GTK theme separately using the gsettings command, Ubuntu Tweak or gnome-tweak-tool.
Gsettings
There are two schemas, for the gtk theme is org.gnome.desktop.interface & for the window theme is org.gnome.desktop.wm.preferences.
In this example I will set the gtk-theme to Ambiance and the Window-theme to Radiance.
1) Open a Terminal window Ctrl+Alt+T and type:
gsettings set org.gnome.desktop.interface gtk-theme Ambiance
gsettings set org.gnome.desktop.wm.preferences theme Radiance
The result in Nautilus:
Ubuntu-Tweak
To install ubuntu-tweak you can add this ppa.
1) Open a Terminal window Ctrl+Alt+T and type:
sudo add-apt-repository ppa:tualatrix/ppa
sudo apt-get update
sudo apt-get install ubuntu-tweak
2) Open the Ubuntu-Tweak and go to Tweaks -> Theme.
Gnome-Tweak-Tool
To install the gnome-tweak-tool
1) Open a Terminal window Ctrl+Alt+T and type:
sudo apt-get install gnome-tweak-tool
2) Open the gnome-tweak-tool application and go to Theme.
NOTE: In this application the window-theme is named as Current Theme.
Hope this helps.
Redoubts
Updated on September 18, 2022Comments
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Redoubts over 1 year
I'm trying to mix and match a GTK theme with a different Window Decoration, but I cant see where this can be done. The Unity-Tweak-Tool changes the two in tandem, but this is not necessarily what I want.
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danjjl almost 9 yearsThis solution (
gsettings
) does not seem to work as of Ubuntu 14.04 -
R T over 8 yearschanging window theme in ubuntu tweak doesn't work.
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cor4office almost 8 yearsubuntu-tweak not found in 16.04 (sorry, cannot comment the previous answer)