nix-dotfiles/modules/desktop/waybar.nix

{ lib, config, pkgs, inputs, system, ... }:

with lib;
let
  cfg = config.modules.desktop.waybar;
in {
  options.modules.desktop.waybar = {
    enable = mkEnableOption "Enable Waybar, a highly customizable wayland bar for wlroots compositors.";
    package = mkOption {
      type = types.package;
      default = inputs.waybar.packages.${system}.default;
      example = "pkgs.waybar";
    };
  };

  config = mkIf cfg.enable {
    modules.desktop.execOnStart = [ "${lib.getExe cfg.package}" ];
    hm.programs.waybar = {
      enable = true;
      package = cfg.package;
      settings = {
        mainBar = {
          layer = "top";
          position = "top";
          spacing = 4;
          height = 30;
          margin-top = 6;
          margin-left = 6;
          margin-right = 6;
          margin-bottom = 0;
          modules-left = [
            "hyprland/workspaces"
            "hyprland/window"
          ];
          modules-center = [
            "clock"
          ];
          modules-right = [
            "group/playback"
            "group/status"
            "tray"
            "group/power"
          ];

          "group/playback" = {
            orientation = "inherit";
            modules = [
              "mpris"
            ];
          };

          "group/status" = {
            orientation = "inherit";
            modules = [
              "pulseaudio"
              "backlight"
              "cpu"
              "memory"
              "power-profiles-daemon"
              "battery"
              "custom/weather"
              "privacy"
              "custom/wallpaper"
            ];
          };
          "group/power" = {
            orientation = "inherit";
            modules = [
              "custom/power"
            ];
          };
          "custom/power" = let
            powerSelect = pkgs.writeScript "power-menu" ''
              cmd=$(echo '⏻ shutdown|↻ reboot| lock|⎋ exit desktop environment' | ${lib.getExe pkgs.rofi-wayland} -dmenu -sep '|' -i -p 'what to do ?' -theme-str 'window { height: 132px; }')
              case "$cmd" in
                "⏻ shutdown")
                  poweroff
                  ;;
                "↻ reboot")
                  reboot
                  ;;
                " lock")
                  ${pkgs.systemd}/bin/loginctl lock-session
                  ;;
                "⎋ exit desktop environment")
                  ${config.modules.desktop.hyprland.package}/bin/hyprctl dispatch exit
                  ;;
              esac
            '';
          in {
            format = "⏻";
            tooltip = true;
            tooltip-format = "Power menu";
            on-click = "${powerSelect}";
          };
          "custom/wallpaper" = {
            format = "";
            tooltip = true;
            tooltip-format = "Change wallpaper";
            on-click = "${config.modules.desktop.swww.swapScript}";
          };
          "hyprland/workspaces" = {
            format = "{icon}";
            format-icons = {
              "1" = "";
              "2" = "";
              "3" = "";
              "4" = "";
              urgent = "";
              default = "•";
            };
            persistent-workspaces = {
              "1" = [];
              "2" = [];
              "3" = [];
              "4" = [];
            };
          };
          "hyprland/window" = {
            format = "{}";
            icon = true;
            icon-size = 16;
            rewrite = {
              "(.*) — Mozilla Firefox" = "$1"; # the dash here is SLIGHTLY different. Wow
              "(.*) - Visual Studio Code" = "$1";
              "(.*\\.nix\\s.*)" = " $1";
              "(\\S+\\.html\\s.*)" = " $1";
              "(\\S+\\.css\\s.*)" = " $1";
              "(\\S+\\.js\\s.*)" = " $1";
              "(\\S+\\.ts\\s.*)" = " $1";
              "(\\S+\\.go\\s.*)" = " $1";
              "(\\S+\\.lua\\s.*)" = " $1";
              "(\\S+\\.java\\s.*)" = " $1";
              "(\\S+\\.rb\\s.*)" = " $1";
              "(\\S+\\.php\\s.*)" = " $1";
              "(\\S+\\.jsonc?\\s.*)" = " $1";
              "(\\S+\\.md\\s.*)" = " $1";
              "(\\S+\\.txt\\s.*)" = " $1";
              "(\\S+\\.cs\\s.*)" = "󰌛 $1";
              "(\\S+\\.c\\s.*)" = " $1";
              "(\\S+\\.cpp\\s.*)" = " $1";
              "(\\S+\\.zig\\s.*)" = " $1";
              "(\\S+\\.rs\\s.*)" = " $1";
              "(\\S+\\.hs\\s.*)" = " $1";
              ".*Discord \\| (.*)" = "$1";
            };
            separate-outputs = true;
          };
          pulseaudio = {
            format = "{icon} {volume}%";
            format-bluetooth = "{icon} {volume}%";
            format-muted = "婢 {volume}%";
            format-icons = {
              headphone = "";
              default = ["" "" ""];
            };
            scroll-step = 1;
            on-click = "${lib.getExe pkgs.pavucontrol}";
            ignored-sinks = ["Easy Effects Sink"];
          };
          backlight = {
            format = "{icon} {percent}%";
            format-icons = ["" ""];
            scroll-step = 1;
          };
          cpu = {
            interval = 4;
            format = " {usage}% {avg_frequency}GHz";
            on-click = "${lib.getExe pkgs.gnome-system-monitor}";
          };
          memory = {
            interval = 4;
            format = " {percentage}%";
            tooltip-format = "{used:0.1f}GiB/{avail:0.1f}GiB used\n{swapUsed:0.1f}GiB/{swapAvail:0.1f}GiB swap";
            on-click = "${lib.getExe pkgs.gnome-system-monitor}";
            states = {
              warning = 80;
              critical = 90;
            };
          };
          power-profiles-daemon = {
            format = "{icon}";
            tooltip-format = "Power profile: {profile}\nDriver: {driver}";
            tooltip = true;
            format-icons = {
              default = "";
              performance = " perf";
              balanced = " balance";
              power-saver = " save";
            };
          };
          battery = {
            interval = 30;
            states = {
              warning = 20;
              critical = 10;
            };
            design-capacity = false;
            format = "{icon} {capacity}%";
            format-icons = ["" "" "" "" ""];
            format-critical = " {capacity}%";
            tooltip-format = "{timeTo} ({power}W)";
            format-charging = " {capacity}%";
          };
          privacy = {
            icon-spacing = 0;
            icon-size = 12;
            transition-duration = 250;
            modules = [
              { type = "screenshare"; }
              { type = "audio-in"; }
            ];
          };
          mpris = {
            format = "♫ {dynamic}";
            format-paused = "{status_icon} {dynamic}";
            dynamic-order = [ "artist" "title" ];
            tooltip-format = "{player} | {status_icon} {artist} - {title} from {album} ({position}/{length})";
            title-length = 48;
            interval = 1;
            status-icons = {
              playing = "⏸";
              paused = "▶";
            };
          };
          clock = {
            format = "{:%H:%M}";
            format-alt = "{:%a %b %d %R}";
            tooltip-format = "<tt><small>{calendar}</small></tt>";
            calendar = {
              mode = "year";
              mode-mon-col = 3;
              weeks-pos = "right";
              on-scroll = 1;
              on-click-right = "mode";
              format = {
                months = "<span color='#ffead3'><b>{}</b></span>";
                days = "<span color='#ecc6d9'><b>{}</b></span>";
                weeks = "<span color='#99ffdd'><b>W{}</b></span>";
                weekdays = "<span color='#ffcc66'><b>{}</b></span>";
                today = "<span color='#ff6699'><b><u>{}</u></b></span>";
              };
              actions = {
                on-click-right = "mode";
                on-click-forward = "tz_up";
                on-click-backward = "tz_down";
                on-scroll-up = "shift_up";
                on-scroll-down = "shift_down";
              };
            };
          };
          tray = {
            icon-size = 16;
            spacing = 4;
          };
          "custom/weather" = {
            format = "{}°";
            tooltip = true;
            interval = 3600;
            # doxxing live stream
            exec = "${lib.getExe pkgs.wttrbar} --location 'Corvallis, Oregon, United States' --hide-conditions --fahrenheit --mph";
            return-type = "json";
          };
        };
      };
    };
  };
}