SDDM Astronaut Theme

Beautiful SDDM login screen theme with multiple styles and animated wallpapers

The SDDM Astronaut Theme is a modern login screen theme for the SDDM display manager, created by Keyitdev. It features beautiful designs, animated wallpapers, virtual keyboard support, and easy customization.

Features

• 10+ Pre-made Themes: Choose from astronaut, black hole, cyberpunk, and more
• Animated Wallpapers: Support for video wallpapers
• Virtual Keyboard: Built-in on-screen keyboard support
• Qt6 Based: Built with the latest Qt6 framework
• Easy Installation: Automated setup script included
• 1080p Optimized: Designed for Full HD displays

Installation

1. Install Dependencies

   Install the required packages for your distribution:

   Arch Linux

   sudo pacman -S sddm qt6-svg qt6-virtualkeyboard qt6-multimedia-ffmpeg
   

   sudo xbps-install -S sddm qt6-svg qt6-virtualkeyboard qt6-multimedia
   

   sudo dnf install sddm qt6-qtsvg qt6-qtvirtualkeyboard qt6-qtmultimedia
   

   sudo zypper install sddm-qt6 libQt6Svg6 qt6-virtualkeyboard qt6-multimedia
   

   sudo apt install sddm libqt6svg6 qt6-virtualkeyboard-plugin libqt6multimedia6 \
     qml6-module-qtquick-controls qml6-module-qtquick-effects libxcb-cursor0
   

   You may also want to install additional video codecs like h.264 for animated wallpapers.

2. Clone the Repository

   Clone the theme to the SDDM themes directory:

   sudo git clone -b master --depth 1 \
     https://github.com/keyitdev/sddm-astronaut-theme.git \
     /usr/share/sddm/themes/sddm-astronaut-theme
   
3. Install Fonts

   Copy the theme fonts to the system fonts directory:

   sudo cp -r /usr/share/sddm/themes/sddm-astronaut-theme/Fonts/* /usr/share/fonts/
   
4. Configure SDDM

   Set the theme in the SDDM configuration:

   echo "[Theme]
   Current=sddm-astronaut-theme" | sudo tee /etc/sddm.conf
   
5. Enable Virtual Keyboard

   Configure the virtual keyboard support:

   echo "[General]
   InputMethod=qtvirtualkeyboard" | sudo tee /etc/sddm.conf.d/virtualkbd.conf
   

Automatic Installation

For a quick setup on supported distributions (Arch, Void, Fedora, OpenSUSE), use the automated installer:

sh -c "$(curl -fsSL https://raw.githubusercontent.com/keyitdev/sddm-astronaut-theme/master/setup.sh)"

Always review scripts before running them from the internet.

Selecting a Theme

The SDDM Astronaut Theme includes multiple pre-made themes. To switch between them:

1. Edit the metadata file:

   sudo nano /usr/share/sddm/themes/sddm-astronaut-theme/metadata.desktop
   

2. Change the ConfigFile line to your preferred theme:

   ConfigFile=Themes/astronaut.conf
   

Available Themes

• astronaut.conf - Classic astronaut theme
• black_hole.conf - Dark space theme with black hole
• japanese_aesthetic.conf - Japanese-inspired design
• pixel_sakura_static.conf - Pixel art cherry blossom
• purple_leaves.conf - Purple and nature theme
• cyberpunk.conf - Neon cyberpunk style
• post-apocalyptic_hacker.conf - Dark hacker theme
• hyprland_kath.conf - Animated Hyprland theme
• pixel_sakura.conf - Animated pixel sakura
• jake_the_dog.conf - Adventure Time themed

Preview Theme

You can preview the theme without logging out:

sddm-greeter-qt6 --test-mode --theme /usr/share/sddm/themes/sddm-astronaut-theme/

The preview may differ slightly from the actual login screen depending on your system configuration.

Integration with Config-Sway

This theme is included in Config-Sway and can be installed via the main installation script. The theme coordinates with your Sway desktop environment to provide a cohesive visual experience.

Troubleshooting

Theme Not Loading

Verify SDDM is using the correct theme:

cat /etc/sddm.conf

Missing Fonts

Ensure fonts are properly installed:

fc-cache -fv

Animated Wallpapers Not Working

Check that you have the multimedia codecs installed:

# Arch Linux
sudo pacman -S qt6-multimedia-ffmpeg

Credits

• Original Author: Keyitdev
• Based on: MarianArlt’s SDDM Sugar Dark
• License: GPLv3+

Support the original creator on Ko-fi or by starring the GitHub repository.