Files
nixconfig/modules/home/wayland/apps/eww/default.nix
T
2026-07-19 23:11:43 +02:00

145 lines
6.6 KiB
Nix
Executable File

{ lib, config, pkgs, ... }:
let
ensureDaemon = pkgs.custom.eww-ensure-daemon;
openOnCurrentScreen = pkgs.writeShellScriptBin "eww-open-on-current-screen" ''
window="$1"
shift
${ensureDaemon}/bin/eww-ensure-daemon || exit 1
screen="$(hyprctl monitors -j | ${lib.getExe pkgs.jq} -r '.[] | select(.focused == true) | .name' | head -n1)"
if [ -n "$screen" ]; then
exec ${lib.getExe pkgs.eww} open "$window" --screen "$screen" "$@"
fi
exec ${lib.getExe pkgs.eww} open "$window" "$@"
'';
# Escape hatch: tears down every eww process (including orphaned daemons that
# own unreachable surfaces), clears the stale socket, and brings back a single
# daemon with the bar. `pkill -x` matches the process name exactly so it can
# never match a wrapper script or a shell that merely mentions eww.
ewwReset = pkgs.writeShellScriptBin "eww-reset" ''
${pkgs.systemd}/bin/systemctl --user stop eww.service >/dev/null 2>&1 || true
${pkgs.procps}/bin/pkill -x -u "$(id -u)" eww >/dev/null 2>&1 || true
sleep 1
${pkgs.procps}/bin/pkill -9 -x -u "$(id -u)" eww >/dev/null 2>&1 || true
rm -f "''${XDG_RUNTIME_DIR:-/run/user/$(id -u)}"/eww-server_*
${ensureDaemon}/bin/eww-ensure-daemon || exit 1
exec ${lib.getExe pkgs.eww} open bar --screen 0
'';
# Wraps a static script file with a bash launcher that prepends Nix store
# bin dirs to PATH — keeps the source files unchanged.
mkScript = name: src: inputs: pkgs.writeShellScriptBin name ''
export PATH="${lib.makeBinPath inputs}:$PATH"
${builtins.readFile src}
'';
scripts = {
"scripts/brightness" = mkScript "brightness" ./bar/scripts/brightness [ pkgs.brightnessctl ];
"scripts/nightlight" = mkScript "nightlight" ./bar/scripts/nightlight [ pkgs.wlsunset ];
"scripts/read-mode" = mkScript "read-mode" ./bar/scripts/read-mode [ pkgs.hyprland ];
"scripts/airplane-mode" = mkScript "airplane-mode" ./bar/scripts/airplane-mode [ pkgs.util-linux ];
"scripts/do-not-disturb" = mkScript "do-not-disturb" ./bar/scripts/do-not-disturb [ pkgs.dunst ];
"scripts/panel-toggle" = mkScript "panel-toggle" ./bar/scripts/panel-toggle [ pkgs.eww pkgs.util-linux openOnCurrentScreen ];
"scripts/powermenu-toggle" = mkScript "powermenu-toggle" ./bar/scripts/powermenu-toggle [ pkgs.eww openOnCurrentScreen ];
"scripts/power-save" = mkScript "power-save" ./bar/scripts/power-save [ pkgs.eww ];
"scripts/radio" = mkScript "radio" ./bar/scripts/radio [ pkgs.eww pkgs.jq pkgs.curl pkgs.mpv pkgs.playerctl ];
"scripts/color-pick" = mkScript "color-pick" ./bar/scripts/color-pick [ pkgs.eww pkgs.hyprpicker ];
"scripts/media" = mkScript "media" ./bar/scripts/media [ pkgs.playerctl ];
"scripts/lock" = mkScript "lock" ./bar/scripts/lock [ pkgs.eww pkgs.hyprlock ];
"scripts/screenshot" = mkScript "screenshot" ./bar/scripts/screenshot [ pkgs.eww pkgs.hyprshot pkgs.satty pkgs.wl-clipboard ];
"scripts/sys/gpu" = mkScript "gpu" ./bar/scripts/sys/gpu [ pkgs.custom.amdgpu_top pkgs.jq ];
"scripts/sys/memory" = mkScript "memory" ./bar/scripts/sys/memory [ pkgs.ripgrep ];
"scripts/volume" = mkScript "volume" ./bar/scripts/volume [ pkgs.ripgrep ];
"scripts/weather" = mkScript "weather" ./bar/scripts/weather [ pkgs.jq pkgs.curl ];
"scripts/workspaces" = mkScript "workspaces" ./bar/scripts/workspaces [ pkgs.jaq pkgs.socat pkgs.ripgrep ];
};
in {
config = lib.mkIf (config.usercfg.wm == "Wayland") {
home.packages = [ pkgs.eww openOnCurrentScreen ensureDaemon ewwReset ];
# One explicitly-managed daemon, so no client ever races to spawn a rival.
# ExecStartPre clears a socket left behind by an unclean exit, which would
# otherwise make the fresh daemon look reachable to clients before it binds.
systemd.user.services.eww = {
Unit = {
Description = "eww daemon";
PartOf = [ "graphical-session.target" ];
After = [ "graphical-session.target" ];
};
Service = {
Type = "simple";
ExecStartPre = "${pkgs.bash}/bin/bash -c 'rm -f \"\${XDG_RUNTIME_DIR:-/run/user/$(id -u)}\"/eww-server_*'";
ExecStart = "${lib.getExe pkgs.eww} daemon --no-daemonize";
Restart = "on-failure";
RestartSec = 1;
};
Install.WantedBy = [ "graphical-session.target" ];
};
xdg.configFile = lib.mkMerge [
{
"eww" = {
source = lib.cleanSourceWith {
filter = name: _type:
let
baseName = baseNameOf (toString name);
relPath = lib.removePrefix (toString ./bar + "/") (toString name);
in !(lib.hasSuffix ".nix" baseName)
&& (baseName != "_colors.scss")
&& !(builtins.elem relPath (builtins.attrNames scripts));
src = lib.cleanSource ./bar/.;
};
recursive = true;
};
"eww/css/_colors.scss".text = ''
$base00: #${config.colorScheme.palette.base00};
$base01: #${config.colorScheme.palette.base01};
$base02: #${config.colorScheme.palette.base02};
$base03: #${config.colorScheme.palette.base03};
$base04: #${config.colorScheme.palette.base04};
$base05: #${config.colorScheme.palette.base05};
$base06: #${config.colorScheme.palette.base06};
$base07: #${config.colorScheme.palette.base07};
$base08: #${config.colorScheme.palette.base08};
$base09: #${config.colorScheme.palette.base09};
$base0A: #${config.colorScheme.palette.base0A};
$base0B: #${config.colorScheme.palette.base0B};
$base0C: #${config.colorScheme.palette.base0C};
$base0D: #${config.colorScheme.palette.base0D};
$base0E: #${config.colorScheme.palette.base0E};
$base0F: #${config.colorScheme.palette.base0F};
$fg: $base07;
$bg0: $base00;
$bg1: $base01;
$border-color: $base03;
$border-color-focus: $base04;
$border-radius: ${config.colorScheme.palette.border-radius}px;
$border-width: ${config.colorScheme.palette.border-width}px;
$gaps-screen: ${config.colorScheme.palette.gaps-screen}px;
$gaps-window: ${config.colorScheme.palette.gaps-window}px;
$panel-font-size: 10pt;
$popup-scale: 1.25;
'';
}
(lib.mapAttrs' (rel: drv: {
name = "eww/${rel}";
value.source = "${drv}/bin/${drv.name}";
}) scripts)
];
};
}