I am using Kubuntu 12.04 and QtCurve widget style which does not support GTK3:

enter image description here

How can apply a GNOME theme for GTK3 apps?

I found an advice here: installed gnome-themes-standard and gnome-themes-extras packages, created file ~/.config/gtk-3.0/settings.ini:

gtk-theme-name = Adwaita
gtk-fallback-icon-theme = gnome

But this didn't help.

  • Do you see any other options in GTK+ Appearance – KDE Control Module? – Oleh Prypin Aug 23 '12 at 8:41

There's a great tool that let's you easily configure GTK2 and GTK3 themes on KDE:

GTK2 + GTK3 Configuration under KDE

Archlinux Debian

Go to the place where you downloaded your file and in a console type:

sudo dpkg -i package_name.deb

Where package name is the name of the package you downloaded

If it complains about a ependeny kdebase-runtime needed, simply install it by:

sudo apt-get install kdebase-runtime

On KDE System Settings - Applications Appearance you now have more 2 menus on the left tab, where you can choose GTK2 or GTK3 themes

enter image description here

Source: https://projects.kde.org/projects/playground/base/kde-gtk-config

  • 1
    I installed the package, the GTK2 theme works ok, but the GTK3 theme is not changing, whatever theme for it i select: imgur.com/zsEro Even oxygen-gtk – warvariuc Aug 23 '12 at 11:25
  • You may also find usefull installing these addons :sudo apt-get install gtk2-engines-oxygen gtk3-engines-oxygen kde-config-gtk oxygen-molecule – LnxSlck Aug 23 '12 at 13:08
  • I have these installed - still the same – warvariuc Aug 23 '12 at 13:25
  • Try removing that settings.ini file you have altered and then setting a new GTK3 theme – LnxSlck Aug 23 '12 at 14:30
  • 1
    I uninstalled gtk3-engines-oxygen, relogged (or restart), and now changing gtk3 theme work. – haytham-med haytham Nov 26 '17 at 7:19

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