i3 FAQ - Individual question feedhttps://faq.i3wm.org/questions/Frequently asked questions and answers about the i3 window managerenCopyright i3, 2012Sat, 17 Jan 2015 14:45:17 +0000How to use Qt Oxygen Theme in i3?https://faq.i3wm.org/question/2395/how-to-use-qt-oxygen-theme-in-i3/How can i use KDE Oxygen Theme in i3 for Qt Applications? qtconfig-qt4 won't work (it's show only old themes)Wed, 21 Aug 2013 12:45:11 +0000https://faq.i3wm.org/question/2395/how-to-use-qt-oxygen-theme-in-i3/Answer by L for <p>How can i use KDE Oxygen Theme in i3 for Qt Applications?</p> <p>qtconfig-qt4 won't work (it's show only old themes)</p> https://faq.i3wm.org/question/2395/how-to-use-qt-oxygen-theme-in-i3/?answer=5345#post-id-5345After I set these environment variables clementine changed the theme to oxygen: export GTK_RC_FILES="/etc/gtk/gtkrc:$HOME/.gtkrc:$HOME/.kde4/share/config/gtkrc" export GTK2_RC_FILES="/etc/gtk-2.0/gtkrc:$HOME/.gtkrc-2.0:$HOME/.kde4/share/config/gtkrc-2.0" export QT_PLUGIN_PATH="$HOME/.kde4/lib/kde4/plugins/:/usr/lib/kde4/plugins/" I edit ~/.profile to changes it permanent: if [ "$XDG_CURRENT_DESKTOP" == "i3" ] ; then export GTK_RC_FILES="/etc/gtk/gtkrc:$HOME/.gtkrc:$HOME/.kde4/share/config/gtkrc" export GTK2_RC_FILES="/etc/gtk-2.0/gtkrc:$HOME/.gtkrc-2.0:$HOME/.kde4/share/config/gtkrc-2.0" export QT_PLUGIN_PATH="$HOME/.kde4/lib/kde4/plugins/:/usr/lib/kde4/plugins/" fi For gtk2-Applications: vim ~/.gtkrc-2.0 include "/usr/share/themes/oxygen-gtk/gtk-2.0/gtkrc" style "user-font" { font_name = "Sans Serif 11" } widget_class "*" style "user-font" gtk-font-name="Sans Serif 11" include "/home/$USER/.gtkrc.mine" For gtk3-Applications: since gtk3-16+ oxygen is no longer supported and doesn't work, so you can't use it, but to change the theme you can edit ~/.config/gtk-3.0/settings.ini, for more information see: wiki.archlinux.org/index.php/Uniform\_Look\_for\_Qt\_and\_GTK\_Applications wiki.archlinux.org/index.php/GTK%2BSat, 17 Jan 2015 14:45:17 +0000https://faq.i3wm.org/question/2395/how-to-use-qt-oxygen-theme-in-i3/?answer=5345#post-id-5345Answer by Michael Rose for <p>How can i use KDE Oxygen Theme in i3 for Qt Applications?</p> <p>qtconfig-qt4 won't work (it's show only old themes)</p> https://faq.i3wm.org/question/2395/how-to-use-qt-oxygen-theme-in-i3/?answer=4629#post-id-4629Having a full kde installation I can run systemsettings and configure it under application appearance. Probably not the most helpful answer.Mon, 15 Sep 2014 05:57:34 +0000https://faq.i3wm.org/question/2395/how-to-use-qt-oxygen-theme-in-i3/?answer=4629#post-id-4629