![]() If Kvantum was installed from the repositories, simply remove it using your Linux distribution's package manager. cd Kvantum/Kvantum/build, and running this command: If you want to uninstall Kvantum installed from source, start by opening a terminal, navigating to the folder where you've extracted (in the build folder from the Kvantum/Kvantum directory if you've followed our instructions) and built the source - e.g. ![]() Now all you have to do is run Kvantum and select the theme you want to use, and tweak the settings to suit your needs. To apply Kvantum system-wide, and not just for your user, you could add export QT_STYLE_OVERRIDE=kvantum in /etc/environment instead of ~/.profile.įor desktop environments such as KDE and LXQt, using Kvantum is a lot easier - select Kvantum under Widget Style and Color Scheme and that's all. You can add this to your ~/.profile by running the command below:Įcho "export QT_STYLE_OVERRIDE=kvantum" > ~/.profileĪfter this, logout and log back in. No matter the way you've installed Kvantum, to be able to use it on GTK-based desktops, you'll need to export QT_STYLE_OVERRIDE=kvantum. If you want to build it for Qt4, use the same instructions as above but add -DENABLE_QT4=ON after the cmake. This builds and installs Kvantum for Qt 5, which should be enough since most applications use Qt 5 nowadays. To install Kvantum, run the following command (while in the same folder): ![]() Navigate to the folder where you extracted the Kvantum source (or cloned the Git repository) from a terminal (using cd /path/to/folder) and compile the application using these commands: Sudo apt install g++ cmake libx11-dev libxext-dev qtbase5-dev libqt5svg5-dev libqt5x11extras5-dev libqt4-dev qttools5-dev-tools libkf5windowsystem-dev You can either download the latest Kvantum release, or grab the latest Kvantum code via Git: Step 1: Download the latest Kvantum source To install the latest Kvantum from source in Debian, Ubuntu or Linux Mint (any version), you can compile it from source. Sudo add-apt-repository ppa:papirus/papirus The PPA also has newer Kvantum packages for Ubuntu 20.10, 20.04, 19.10 or 19.04 too. Pop!_OS / Ubuntu 18.04 and Linux Mint 19.* (as well as other Ubuntu-based Linux distributions, like Elementary OS 5) users wanting an easy way of installing Kvantum can use a PPA. Sudo apt install qt5-style-kvantum qt5-style-kvantum-themes So if you use Pop!_OS / Ubuntu 21.04, 20.10, 20.04, 19.10, 19.04, or Debian Buster and newer, you can install Kvantum from the repositories using: Pop!_OS / Ubuntu 21.04, 20.10, 20.04, 19.10 and 19.04 / Linux Mint 20.* / Debian Buster and newer: Starting with Ubuntu 19.04 (Disco Dingo) / Debian Buster, Kvantum is available in the official Ubuntu repositories. Solus OS has Kvantum in its repositories too, and you can install it using: On Fedora you can install Kvantum from the repositories, using:Īrch Linux / Manjaro users can install Kvantum with: You can find the Kvantum installation instructions for some Linux distributions here. Here's Kvantum with some popular themes like Ambiance, Yaru / Communitheme and the default Gnome (Adwaita) theme: a preview tool, somewhat similar to the gtk3-widget-factory tool, is available, so you can see the current Kvantum theme and your modifications in action.configure active theme: set the toolbar button style, change UI icons and button sizes, enable or disable composite effects or translucent windows, option to respect dark themes, completely remove icons from menus, and much more.built-in Kvantum themes such as Adapta (and Dark), Ambiance, Ark (and Dark variant), Ubuntu Communitheme / Yaru, Gnome, Oxygen, Simplicity, and others (in total there are 30 themes).I find QSvgStyle more difficult to use than Kvantum though, because it only comes with one built-in theme.īesides allowing you to change the Qt 4 and Qt 5 style, Kvantum also features: The idea behind Kvantum - to use SVG images to style Qt widgets - comes from QuantumStyle, which is not developed any more, but is continued as QSvgStyle. Using it, you'll not only be able to theme Qt4 and Qt5 software to match your current Gtk theme almost entirely (as long as your current Gtk theme has a Kvantum theme available), but also configure some Qt theme-related settings. This is a SVG-based theme engine for both Qt4 and Qt5, KDE and LXQt. To be able to choose the theme Qt applications are using on your Linux system, tweak some settings, and have an overall better integration with Gnome / Gtk, you can give Kvantum a try. Some Qt applications look out of place in Gnome (and other Gtk-based desktop environments).
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