shell README

The project's README from github.com/caelestia-dots/shell. As one markdown file: README.md.

caelestia-shell

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Components

Installation

[!NOTE] This repo is for Caelestia's desktop shell only. If you want installation instructions for the entire dotfiles (which include this shell), head to [the main repo][dots-repo] instead.

Arch Linux

[!WARNING] If you want to make your own changes/tweaks to the shell, do NOT edit the files installed by the AUR package. Instead, follow the instructions in the manual installation section.

The shell is available from the AUR as caelestia-shell. You can install it with an AUR helper (recommended), like paru, or by manually downloading the PKGBUILD and running makepkg -si.

A package following the latest commit also exists as caelestia-shell-git. This is bleeding-edge and likely to be unstable/have bugs. Regular users are recommended to use the stable package (caelestia-shell).

Nix

You can run the shell directly via nix run:

nix run github:caelestia-dots/shell#with-cli

Or add it to your system configuration:

{
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";

    caelestia-shell = {
      url = "github:caelestia-dots/shell";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };
}

For full functionality, use caelestia-shell.packages.<system>.with-cli, which can be added to your environment.systemPackages, users.users.<username>.packages, home.packages if using home-manager, or a devshell. The default package does not include the CLI. You can then run the shell with caelestia-shell.

For home-manager, you can also use Caelestia's Home Manager module (explained in the configuration section), which installs and configures the shell and CLI.

Manual installation

Dependencies:

Build dependencies:

[!IMPORTANT] The commands below (and in the "Updating" section) assume $XDG_CONFIG_HOME is set. If it is unset, substitute it with the path to your config folder (typically ~/.config).

To install the shell manually, install all dependencies and clone this repo to $XDG_CONFIG_HOME/quickshell/caelestia. Then build and install using CMake.

cd $XDG_CONFIG_HOME/quickshell
git clone https://github.com/caelestia-dots/shell.git caelestia

cd caelestia
cmake -B build -G Ninja -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/
cmake --build build
sudo cmake --install build

[!TIP] You can customise the installation location via the CMake flags INSTALL_LIBDIR, INSTALL_QMLDIR, and INSTALL_QSCONFDIR for the libraries (e.g. the version helper), QML plugin, and Quickshell config directories respectively. If you set the INSTALL_LIBDIR flag, the CAELESTIA_LIB_DIR variable must also be set to the same directory in your system's environment.

For example, installing to ~/.config/quickshell/caelestia for easy local changes:

mkdir -p ~/.config/quickshell/caelestia
cmake -B build -G Ninja -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/ -DINSTALL_QSCONFDIR="$HOME/.config/quickshell/caelestia"
cmake --build build
sudo cmake --install build
sudo chown -R $USER ~/.config/quickshell/caelestia

Usage

You can start the shell by running caelestia shell -d (preferred) or qs -c caelestia -n -d. You may omit -d from the command to keep the shell attached to the current terminal if necessary, though you likely want it to be detached (so it doesn't close when the terminal is closed).

If using the [Caelestia dotfiles][dots-repo], the shell will be autostarted on login via a hl.on("hyprland.start", ...) function in the Hyprland config.

Shortcuts/IPC

All keybinds are accessible via Hyprland global shortcuts. If using the [Caelestia dotfiles][dots-repo], the keybinds are already configured for you. Otherwise, the keybinds.lua file contains an example of how to use global shortcuts.

All IPC commands can be accessed via caelestia shell ..., for example:

caelestia shell mpris getActive trackTitle

You can view the list of available IPC commands by running caelestia shell -s.

PFP/Wallpapers

The profile picture for the dashboard is read from the file ~/.face. You can set it by clicking it in the dashboard, or by manually copying or symlinking your image to the path.

The wallpapers for the wallpaper switcher are read from ~/Pictures/Wallpapers by default. To change it, modify paths.wallpaperDir in ~/.config/caelestia/shell.json.

To set the wallpaper, you can type >wallpaper in the launcher to open the wallpaper switcher. Alternatively, you can also use caelestia wallpaper -f <path_to_wallpaper> to set the wallpaper directly. Use caelestia wallpaper -h for more info about this command.

Updating

Packaged install (AUR)

If using the full dotfiles or the CLI, run caelestia update to perform a full system update and update the dots. Otherwise, if you installed the shell on its own, update your system using your AUR helper (e.g., paru).

Manual install

If you installed the shell manually by cloning the repo, you can update by pulling the changes from git in the local checkout.

For example, if you installed to $XDG_CONFIG_HOME/quickshell/caelestia:

cd $XDG_CONFIG_HOME/quickshell/caelestia
git pull

Configuring

All configuration options belong in ~/.config/caelestia/shell.json. This file is not created by default; you must create it manually. Options that you omit from the config file will use their default values.

Per-monitor configuration

You can configure per-monitor options in ~/.config/caelestia/monitors/<monitor_name>/shell.json. List the names of your available monitors by running:

hyprctl monitors -j | jq -r '.[].name'

Options set in these files will override the respective options in the global config. Any options not present in per-monitor configs will inherit their values from the global config.

For example, to automatically hide the bar on the monitor named DP-1:

~/.config/caelestia/monitors/DP-1/shell.json

{
    "bar": {
        "persistent": false
    }
}

[!NOTE] Not all options respect per-monitor overrides. Most notably, the following options will only read from the global config, and ignore the respective option in per-monitor config files.

Ignored options
  • appearance: anim.*, transparency.*
  • bar.tray: hiddenIcons, iconSubs
  • bar.workspaces: ignoredTags, specialWorkspaceIcons, windowIcons
  • dashboard: mediaUpdateInterval, resourceUpdateInterval
  • general: apps.*, battery.*, idle.*, logo
  • launcher: actionPrefix, actions, enableDangerousActions, favouriteApps, hiddenApps, specialPrefix, useFuzzy.*, vimKeybinds
  • lock: enableFprint, enableHowdy, maxFprintTries, maxHowdyTries, triggerHowdyOnWake
  • nexus: networkRescanInterval
  • notifs: actionOnClick, defaultExpireTimeout, expire, fullscreen, fullscreenExpireTimeout
  • paths: lyricsDir, wallpaperDir
  • services: audioIncrement, brightnessIncrement, dataUnits, defaultPlayer, gpuType, lyricsBackend, maxVolume, playerAliases, sensorUnits, smartScheme, useTwelveHourClock, visualiserBars, weatherLocation, weatherUnits
  • utilities.toasts: all except fullscreen
  • utilities.vpn: enabled, provider, selectedProvider

Example configuration

[!WARNING] The example configuration includes ALL configuration options in shell.json. It is not recommended to copy and paste this entire configuration into shell.json, as options or their default values may change across updates, resulting in a stale config.

This is meant to serve as a reference of all the available options, and you should only add the ones you want to change to shell.json.

Example config
{
    "enabled": true,
    "appearance": {
        "deformScale": 1,
        "rounding": {
            "scale": 1
        },
        "spacing": {
            "scale": 1
        },
        "padding": {
            "scale": 1
        },
        "font": {
            "scale": 1,
            "clock": "Rubik",
            "workspaces": "Rubik",
            "headline": {
                "family": "GoogleSansFlex",
                "large": { "size": 32, "weight": 500, "italic": false, "vaxes": { "ROND": 25 } },
                "medium": { "size": 28, "weight": 500, "italic": false, "vaxes": { "ROND": 25 } },
                "small": { "size": 24, "weight": 500, "italic": false, "vaxes": { "ROND": 25 } }
            },
            "title": {
                "family": "GoogleSansFlex",
                "large": { "size": 22, "weight": 500, "italic": false, "vaxes": { "ROND": 25 } },
                "medium": { "size": 16, "weight": 500, "italic": false, "vaxes": { "ROND": 25 } },
                "small": { "size": 14, "weight": 500, "italic": false, "vaxes": { "ROND": 25 } }
            },
            "body": {
                "family": "GoogleSansFlex",
                "large": { "size": 16, "weight": 400, "italic": false, "vaxes": { "ROND": 25 } },
                "medium": { "size": 14, "weight": 400, "italic": false, "vaxes": { "ROND": 25 } },
                "small": { "size": 12, "weight": 400, "italic": false, "vaxes": { "ROND": 25 } }
            },
            "label": {
                "family": "GoogleSansFlex",
                "large": { "size": 14, "weight": 500, "italic": false, "vaxes": { "ROND": 25 } },
                "medium": { "size": 12, "weight": 500, "italic": false, "vaxes": { "ROND": 25 } },
                "small": { "size": 11, "weight": 400, "italic": false, "vaxes": { "ROND": 25 } }
            },
            "mono": {
                "family": "CaskaydiaCove NF",
                "large": { "size": 16, "weight": 400, "italic": false, "vaxes": {} },
                "medium": { "size": 14, "weight": 400, "italic": false, "vaxes": {} },
                "small": { "size": 12, "weight": 400, "italic": false, "vaxes": {} }
            },
            "icon": {
                "family": "Material Symbols Rounded",
                "extraLarge": { "size": 36, "weight": 400, "italic": false, "vaxes": {} },
                "large": { "size": 24, "weight": 400, "italic": false, "vaxes": {} },
                "medium": { "size": 18, "weight": 400, "italic": false, "vaxes": {} },
                "small": { "size": 15, "weight": 400, "italic": false, "vaxes": {} }
            }
        },
        "anim": {
            "durations": {
                "scale": 1
            }
        },
        "transparency": {
            "enabled": false,
            "base": 0.85,
            "layers": 0.4
        }
    },
    "general": {
        "logo": "",
        "showOverFullscreen": false,
        "mediaGifSpeedAdjustment": 300,
        "sessionGifSpeed": 0.7,
        "apps": {
            "terminal": ["foot"],
            "audio": ["pwvucontrol"],
            "playback": ["mpv"],
            "explorer": ["thunar"]
        },
        "idle": {
            "lockBeforeSleep": true,
            "inhibitWhenAudio": true,
            "inhibitWhenCharging": false,
            "timeouts": [
                {
                    "timeout": 180,
                    "idleAction": "lock",
                    "inhibitWhenAudio": false,
                    "inhibitWhenCharging": false,
                    "respectInhibitors": true
                },
                {
                    "timeout": 300,
                    "idleAction": "dpms off",
                    "returnAction": "dpms on"
                },
                {
                    "timeout": 600,
                    "idleAction": ["suspendThenHibernate"]
                }
            ]
        },
        "battery": {
            "warnLevels": [
                {
                    "level": 20,
                    "title": "Low battery",
                    "message": "You might want to plug in a charger",
                    "icon": "battery_android_frame_2"
                },
                {
                    "level": 10,
                    "title": "Did you see the previous message?",
                    "message": "You should probably plug in a charger <b>now</b>",
                    "icon": "battery_android_frame_1"
                },
                {
                    "level": 5,
                    "title": "Critical battery level",
                    "message": "PLUG THE CHARGER RIGHT NOW!!",
                    "icon": "battery_android_alert",
                    "critical": true
                }
            ],
            "criticalLevel": 3
        }
    },
    "background": {
        "enabled": true,
        "wallpaperEnabled": true,
        "desktopClock": {
            "enabled": false,
            "scale": 1.0,
            "position": "bottom-right",
            "invertColors": false,
            "background": {
                "enabled": false,
                "opacity": 0.7,
                "blur": true
            },
            "shadow": {
                "enabled": true,
                "opacity": 0.7,
                "blur": 0.4
            }
        },
        "visualiser": {
            "enabled": false,
            "autoHide": true,
            "blur": false,
            "rounding": 1,
            "spacing": 1
        }
    },
    "bar": {
        "persistent": true,
        "showOnHover": true,
        "dragThreshold": 20,
        "scrollActions": {
            "workspaces": true,
            "volume": true,
            "brightness": true
        },
        "popouts": {
            "activeWindow": true,
            "tray": true,
            "statusIcons": true
        },
        "workspaces": {
            "shown": 5,
            "activeIndicator": true,
            "occupiedBg": false,
            "showUnoccupied": true,
            "showWindows": true,
            "showWindowsOnSpecialWorkspaces": true,
            "maxWindowIcons": 5,
            "activeTrail": false,
            "displayType": "shapes",
            "label": "  ",
            "occupiedLabel": "󰮯",
            "activeLabel": "󰮯",
            "capitalisation": "preserve",
            "specialWorkspaceIcons": [
                {
                    "name": "steam",
                    "icon": "sports_esports"
                }
            ],
            "ignoredTags": [
                "hide_in_bar",
                "xwl_popup"
            ],
            "windowIcons": [
                {
                    "regex": "steam(_app_(default|[0-9]+))?",
                    "icon": "sports_esports"
                }
            ]
        },
        "activeWindow": {
            "compact": false,
            "inverted": false,
            "showOnHover": true
        },
        "tray": {
            "background": false,
            "recolour": false,
            "compact": false,
            "iconSubs": [],
            "hiddenIcons": []
        },
        "clock": {
            "background": false,
            "showDate": false,
            "showIcon": true
        },
        "statusIcons": [
            {
                "id": "lockStatus",
                "enabled": true
            },
            {
                "id": "audio",
                "enabled": false
            },
            {
                "id": "microphone",
                "enabled": false
            },
            {
                "id": "kbLayout",
                "enabled": false
            },
            {
                "id": "network",
                "enabled": true
            },
            {
                "id": "bluetooth",
                "enabled": true
            },
            {
                "id": "battery",
                "enabled": true
            }
        ],
        "entries": [
            {
                "id": "logo",
                "enabled": true
            },
            {
                "id": "workspaces",
                "enabled": true
            },
            {
                "id": "spacer",
                "enabled": true
            },
            {
                "id": "activeWindow",
                "enabled": true
            },
            {
                "id": "spacer",
                "enabled": true
            },
            {
                "id": "tray",
                "enabled": true
            },
            {
                "id": "clock",
                "enabled": true
            },
            {
                "id": "statusIcons",
                "enabled": true
            },
            {
                "id": "power",
                "enabled": true
            }
        ],
        "excludedScreens": []
    },
    "border": {
        "thickness": 10,
        "rounding": 25,
        "smoothing": 20
    },
    "dashboard": {
        "enabled": true,
        "showOnHover": true,
        "showDashboard": true,
        "showMedia": true,
        "showPerformance": true,
        "showWeather": true,
   

shell (caelestia-dots/shell)

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What is this?Caelestia shell is an animated desktop shell for Linux: the visual layer of your desktop — bar, launcher, dashboard, notifications — rendered with Quickshell on top of the Hyprland window manager under Wayland.
Is this a full desktop environment, or just the layer on top of one?Not a full environment — Hyprland remains the window manager while this repo supplies the shell UI built from Quickshell widgets. It is also just one piece: the complete setup lives in the separate Caelestia dotfiles repo.
How do I get it installed and running?Easiest on Arch: install the AUR package caelestia-shell with a helper like paru. On Nix there is nix run plus a Home Manager module; otherwise clone into ~/.config/quickshell/caelestia and build with CMake. Start it with caelestia shell -d.
What do I need on my system before installing?Quickshell must specifically be the git version (quickshell-git), plus caelestia-cli, Qt 6, NetworkManager, PipeWire, brightnessctl, libcava, several fonts, and fish and bash; CMake and ninja if you build manually.
Any gotchas I should know about before installing?It is a Linux, Wayland-only desktop setup revolving around Hyprland. The README also warns against editing files installed by the AUR package — for your own tweaks, use the manual install route instead.
Do I need to already be running Hyprland to use this?Yes — it assumes a Hyprland-on-Wayland Linux setup and ships as the shell component of the Caelestia dotfiles, so it is aimed at people who like customising (ricing) their desktop.
Will it work outside Arch and Nix?It targets Linux desktops running Hyprland on Wayland. Arch (AUR) and Nix are the documented install paths; on other distros you fall back to the manual CMake build once the dependencies are in place.
How do I control it once it is running?Keybinds go through Hyprland global shortcuts — already configured for you if you use the Caelestia dotfiles, otherwise keybinds.lua shows an example. Everything else is done over IPC: caelestia shell , and caelestia shell -s lists all available commands.
How much can I customise it?Quite a lot: all options live in ~/.config/caelestia/shell.json, which you create yourself — anything you omit keeps its default. Per-monitor overrides go in ~/.config/caelestia/monitors/ /shell.json, though some options only read from the global config.
Which AUR package should I pick?The stable caelestia-shell is recommended for regular users. caelestia-shell-git follows the latest commit and is described as bleeding-edge, likely unstable and buggy.
How do wallpapers and the dashboard avatar work?Wallpapers are read from ~/Pictures/Wallpapers by default (change paths.wallpaperDir in shell.json); type >wallpaper in the launcher or run caelestia wallpaper -f to set one. The dashboard profile picture comes from ~/.face — click it in the dashboard to change it.
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