112 lines
2.9 KiB
Nix
112 lines
2.9 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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# Waybar: a top status bar reading system state at a glance.
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let
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registeredWaybarStyles = lib.concatStringsSep "\n" (
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lib.filter (style: style != "") (lib.mapAttrsToList (_name: module: module.style) hostWaybarModules)
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);
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hostWaybarModules = lib.attrByPath [ config.networking.hostName ] { } config.registry.waybar;
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waybarModulesFor =
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position:
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map (module: module.name) (
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lib.sort (a: b: a.order < b.order) (
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lib.filter (module: module.position == position) registeredWaybarModules
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)
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);
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registeredWaybarModules = lib.mapAttrsToList (
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name: module:
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module
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// {
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inherit name;
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}
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) hostWaybarModules;
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registeredWaybarModuleSettings = lib.mapAttrs (_name: module: module.settings) hostWaybarModules;
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# A Nerd Font Private-Use-Area codepoint as a literal character, decoded
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# through JSON so the glyph survives as bytes rather than an editor paste.
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g = code: builtins.fromJSON ''"\u${code}"'';
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in
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{
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options.modules.desktop.session.waybar.enable = lib.mkEnableOption "the Waybar status bar";
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config = lib.mkIf config.modules.desktop.session.waybar.enable {
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# A symbols font backs the module glyphs, so pango falls back to it for the
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# codepoints Stylix's monospace font does not carry.
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fonts.packages = [ pkgs.nerd-fonts.symbols-only ];
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home-manager.users.${config.user.name}.programs.waybar = {
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enable = true;
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# A user service bound to graphical-session.target, which uwsm activates,
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# so the bar comes up with the session and no compositor exec-once.
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systemd.enable = true;
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style = ''
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.modules-right {
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margin-right: 8px;
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}
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''
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+ registeredWaybarStyles;
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settings.mainBar = lib.mkMerge [
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{
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layer = "top";
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position = "top";
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height = 30;
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spacing = 8;
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modules-left = waybarModulesFor "left";
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modules-center = waybarModulesFor "center";
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modules-right = waybarModulesFor "right";
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}
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registeredWaybarModuleSettings
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];
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};
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registry.waybar.${config.networking.hostName} = {
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clock = {
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position = "center";
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order = 10;
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settings = {
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format = "{:%a %d %b %H:%M}";
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tooltip-format = "<tt>{calendar}</tt>";
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calendar = {
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mode = "month";
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# Underline the current day so it stands out in the grid.
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format.today = "<b><u>{}</u></b>";
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};
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};
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};
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battery = {
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order = 70;
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settings = {
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format = "{icon} {capacity}%";
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format-charging = "${g "f0e7"} {capacity}%";
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format-icons = [
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(g "f244")
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(g "f243")
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(g "f242")
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(g "f241")
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(g "f240")
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];
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states = {
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warning = 20;
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critical = 10;
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};
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};
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};
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};
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};
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}
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