Arc Theme

Arc is a flat theme with transparent elements for GTK 3, GTK 2 and Gnome-Shell. It supports GTK 3 and GTK 2 based desktop environments like Gnome, Unity, Budgie, Pantheon, etc.

Requirements

• Gnome/GTK 3.14 or 3.16
• The gtk2-engines-pixbuf package only for Debian/Ubuntu based distros.
• The murrine engine. This has different names depending on your distro.
  • gtk-engine-murrine (Arch Linux)
  • gtk2-engines-murrine (Debian, Ubuntu, elementary OS)
  • gtk-murrine-engine (Fedora)
  • gtk2-engine-murrine (openSUSE)
  • gtk-engines-murrine (Gentoo)

Main distributions that meet these requirements are

• Arch Linux and Arch Linux based distros
• Ubuntu 15.04
• elementary OS Freya
• Debian Jessie, Testing or Unstable
• Gentoo
• Fedora 21 and 22
• OpenSuse 13.2 and Tumbleweed

Derivatives of these distributions should work, aswell.

If your distribution is not listed, please check the requirements yourself.

Installation

Important: Remove all older versions of the theme from your system before you proceed any further.

sudo rm -rf /usr/share/themes/Arc
rm -rf ~/.local/share/themes/Arc
rm -rf ~/.themes/Arc

Manual Installation

To build the theme you need

• autoconf
• automake
• pkg-config or pkgconfig if you use Fedora
• libgtk-3-dev for Debian based distros or gtk3-devel for RPM based distros
• git if you want to clone the source directory

If your distributions doesn't ship separate development packages you just need GTK 3 instead of the -dev packages.

Install the theme with the following commands

1. Get the source

If you want to install the latest version from git, clone the repository with

git clone https://github.com/horst3180/arc-theme --depth 1 && cd arc-theme

If you want to install the latest stable release, run

git clone https://github.com/horst3180/arc-theme --depth 1 && cd arc-theme
git fetch --tags
git checkout $(git describe --tags `git rev-list --tags --max-count=1`)

or download it from https://github.com/horst3180/arc-theme/releases and cd into the extracted archive

2. Build and install the theme

./autogen.sh --prefix=/usr
sudo make install

Other options to pass to autogen.sh are

--disable-gnome-shell      disable GNOME Shell support
--disable-gtk2             disable GTK2 support
--disable-gtk3             disable GTK3 support
--disable-metacity         disable Metacity support
--disable-unity            disable Unity support
--disable-xfwm             disable XFWM support
--disable-transparency     disable transparency in the GTK3 theme

--with-gnome=<version>     build the theme for a specific Gnome version (3.14, 3.16)
                           Note: Normally the correct version is detected automatically and this
                           option should not be needed.

After the installation is complete you can activate the theme with gnome-tweak-tool or a similar program by selecting Arc.

Uninstall the theme

Run

sudo make uninstall

from the same directory as this README resides in, or

sudo rm -rf /usr/share/themes/Arc

Extras

The extra directory in the same directory as this README resides in contains a Chrome/Chromium theme.

To install the Chrome/Chromium theme go to the extra/Chrome folder and drag and drop the arc-theme.crx into the Chrome/Chromium window. The source of the Chrome themes is located in the source "Chrome/arc-theme" folder.

Troubleshooting

If you get artifacts like black or invisible backgrounds under Unity, disable overlay scrollbars with

gsettings set com.canonical.desktop.interface scrollbar-mode normal

Bug reporting

If you find a bug, please report it at https://github.com/horst3180/arc-theme/issues

Preview