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Crystal Dock is a cool dock (desktop panel) for Linux desktop, with the focus on attractive user interface, being simple and easy to use and customize, and cross-desktop support.

The current version (version 2) supports KDE Plasma 6 on Wayland. Other desktop environments will be considered when they run on Wayland and provide sufficient APIs. The previous version (version 1) supports KDE Plasma 5, GNOME, LXQt, Cinnamon and MATE on X11.

• Smooth parabolic zooming and translucent effect
• Two visual styles: Glass 3D and Flat 2D
• Supported components: Application Menu, Pager, Programs/Task Manager, Clock
• Multiple docks support
• Integration with various desktop environments: special menu entries (e.g. Log Out), specific default launchers, setting wallpapers
• Support for setting different wallpapers for different virtual desktops
• Separate configs for separate desktop environments

For Glass 3D style, a good icon theme to use with Crystal Dock is the Crystal Remix icon theme: https://github.com/dangvd/crystal-remix-icon-theme

For Flat 2D style, use something like Mkos-Big-Sur.

Crystal Dock is licensed under the GNU General Public License v3.0

Crystal Dock is written in C++ and depends on:

• Qt6 as the GUI framework
• LayerShellQt6 for Wayland's Layer Shell integration

Dependencies development packages: to build from the source code, Qt6, LayerShellQt6 and Wayland development packages are required. For example, to install them on OpenSUSE, run:

$ sudo zypper install qt6-base-devel wayland-devel layer-shell-qt6-devel

To build and install, run:

$ cmake -S src -B build -DCMAKE_INSTALL_PREFIX=/usr
$ cmake --build build --parallel
$ sudo cmake --install build

After the installation, Crystal Dock can be launched from the Application list (Utilities category), or from the command line:

$ crystal-dock

Note that on Wayland, Crystal Dock needs to be installed in order to be able to access necessary Wayland protocols on KDE Plasma 6.

To uninstall, navigate to the cloned repository and run:

$ sudo cmake --build build --target uninstall

To execute the automated tests, run:

$ ctest --test-dir build