nix-dotfiles/hm_modules/polybar.nix

{ config, pkgs, lib, ... }:
with lib;
let
  inherit (pkgs.rice) colorPalette opacity;
  grep = "${pkgs.gnugrep}/bin/grep";
  cut = "${pkgs.coreutils}/bin/cut";
  pavucontrol = "${pkgs.pavucontrol}/bin/pavucontrol";
  pgrep = "${pkgs.procps}/bin/pgrep";
  pkill = "${pkgs.procps}/bin/pkill";
  playerCtl = "${pkgs.playerctl}/bin/playerctl";
  dunstctl = "${pkgs.dunst}/bin/dunstctl";
  zscroll = "${pkgs.zscroll}/bin/zscroll";
  notificationStatus = pkgs.writeShellScript "notificationStatus" ''
    PATH=$PATH:"${lib.makeBinPath [ pkgs.dbus ]}"
    if [[ `${dunstctl} is-paused` == "true" ]]; then echo 󰂛; else echo 󰂚; fi
  '';
  notificationToggle = pkgs.writeShellScript "notificationToggle" ''
    PATH=$PATH:"${lib.makeBinPath [ pkgs.dbus ]}"
    ${dunstctl} set-paused toggle
  '';
  keyboardStatus = pkgs.writeShellScript "keyboardStatus" ''
    PATH=$PATH:"${lib.makeBinPath [ pkgs.coreutils ]}"
    if [[ `cat ~/.local/share/keyboard-switch.state` == "disabled" ]]; then echo 󰌐; else echo 󰌌; fi
  '';
  keyboardToggle = pkgs.writeShellScript "keyboardToggle" ''
    PATH=$PATH:"${lib.makeBinPath [ pkgs.keyboard-switch ]}"
    keyboard-switch
  '';
  notificationHistory = pkgs.writeShellScript "notificationToggle" ''
    PATH=$PATH:"${lib.makeBinPath [ pkgs.dbus ]}"
    ${dunstctl} set-paused false
    for i in {1..10}; do ${dunstctl} history-pop; done
  '';
  playerStatusBasic = pkgs.writeShellScript "playerStatusBasic" ''
    ${playerCtl} status || true
  '';
  playerStatusSrc = pkgs.writeShellScript "playerStatusSrc" ''
    ${playerCtl} -f '{{title}} - {{artist}}' metadata || true
  '';
  playerStatus = pkgs.writeShellScript "playerStatus" ''
    ${zscroll} -l 25 -M ${playerStatusBasic} \
      -m "Playing" "-b '▶ ' -s 1" \
      -m "Paused" "-b '⏸ ' -s 0" \
      -u true ${playerStatusSrc} &
    wait
  '';
  confirm_command = { cmd, title ? null, text ? null, image ? null }:
    lib.concatStringsSep " " [
      "${pkgs.yad}/bin/yad --question --center --on-top --sticky --timeout=30 --timeout-indicator=bottom"
      (if title == null then "" else ''--title "${title}"'')
      (if image == null then "" else ''--image "${image}"'')
      (if text == null then "" else ''--text "${text}"'')
      "&& ${cmd}"
    ];
  systemctl = "${pkgs.systemd}/bin/systemctl";
  loginctl = "${pkgs.systemd}/bin/loginctl";
  shutdown = "${pkgs.systemd}/bin/shutdown";
  logout = pkgs.writeShellScript "logout" ''
    session=`${loginctl} session-status | ${pkgs.coreutils}/bin/head -n 1 | ${pkgs.gawk}/bin/awk '{print $1}'`
    ${loginctl} terminate-session $session
  '';
  colors = with pkgs.lib.nix-rice;
    let alpha = 255 * opacity;
    in palette.toARGBHex rec {

      normal = {
        foreground = color.darken 10 colorPalette.foreground;
        background = color.setAlphaRgba alpha colorPalette.background;
        underline = colorPalette.normal.blue;
      };

      active = {
        inherit (colorPalette) foreground;
        background = color.setAlphaRgba alpha colorPalette.background;
        underline = colorPalette.normal.yellow;
      };

      selected = {
        inherit (colorPalette) foreground;
        background = color.setAlphaRgba alpha colorPalette.background;
        underline = colorPalette.bright.red;
      };

      inherit (colorPalette.normal) green red yellow;
      inherit (color) transparent;
      orange = colorPalette.bright.red;
      alert = orange;
    };

  commonBar = {
    locale = config.home.language.base;
    monitor = "\${env:MONITOR}";
    width = "100%";
    height = 20;
    radius = 6.0;
    fixed-center = false;

    inherit (colors.normal) background foreground;

    line-size = 2;
    line-color = colors.normal.underline;
    padding = 0;
    module.margin = 0;
    separator = " ";
    border = {
      color = colors.transparent;
      left.size = 2;
      righ.sizet = 2;
      top.size = 2;
      bottom.size = 0;
    };
    font = [
      "${pkgs.rice.font.monospace.name}:size=${
        toString pkgs.rice.font.monospace.size
      };2"
      # "Font Awesome 6 Free:size=14;0"
      # "Noto Color Emoji:size=2;2"
      "Noto Sans Symbols2:size=${toString pkgs.rice.font.monospace.size};2"
      "Material Design Icons:size=${toString pkgs.rice.font.monospace.size};2"
      # "EmojiOne Color:size=${toString pkgs.rice.font.monospace.size};0"
      "Noto Sans CJK JP:size=${toString pkgs.rice.font.monospace.size};0"
      "Noto Sans CJK KR:size=${toString pkgs.rice.font.monospace.size};0"
      "Noto Sans CJK CN:size=${toString pkgs.rice.font.monospace.size};0"
      "Noto Sans CJK HK:size=${toString pkgs.rice.font.monospace.size};0"
    ];
    enable-ipc = true;
    wm-restack = "bspwm";
  };

  ramp = [ "▂" "▃" "▄" "▅" "▆" "▇" ];
in
{
  home.packages = builtins.attrValues {
    inherit (pkgs) noto-fonts material-design-icons noto-fonts-cjk-sans;
    # emojione
    # noto-fonts-emoji
    # font-awesome
    inherit (pkgs.rice.font.monospace) package;
  };
  services.polybar = {
    enable = true;
    package = pkgs.polybarFull;
    script = ''
      monitor=`polybar -m | ${grep} primary | ${cut} -d":" -f1`
      MONITOR=$monitor polybar primary &
      monitors=(`polybar -m | ${grep} -v primary | ${cut} -d":" -f1`)
      for monitor in "''${monitors[@]}"; do
        MONITOR=$monitor polybar secondary &
      done
    '';

    settings = {
      "settings" = { screenchange-reload = false; };

      "bar/primary" = recursiveUpdate commonBar {
        modules-left = "bspwm";
        # modules-center =
        modules-right =
          "player pulseaudio temperature cpu memory battery keyboard-switch notifications powermenu date";
        tray = {
          position = "right";
          padding = 1;
        };
      };

      "bar/secondary" = recursiveUpdate commonBar {
        modules-left = "bspwm";
        # modules-center =
        modules-right =
          "player pulseaudio temperature cpu memory battery keyboard-switch notifications powermenu date";
      };

      "module/battery" = {
        type = "internal/battery";

        adapter = "AC";
        battery = "BAT0";
        full.at = 98;

        animation = {
          charging = { text = [ "" "" "" "" "" ]; framerate = "750"; };
          discharging = { text = [ "" "" "" "" "" ]; framerate = "750"; };
        };

        format = {
          charging = recursiveUpdate colors.selected {
            text = "<animation-charging> <label-charging>";
          };
          discharging = recursiveUpdate colors.active {
            text = "<animation-discharging> <label-discharging>";
          };
          full = recursiveUpdate colors.normal { text = " <label-full>"; };
        };

        label.text = "%percentage%%";
        #   = {
        #   chargin = "%percentage%%";
        #   dischargin = "%percentage%%";
        #   full = "%percentage%%";
        # };
      };

      "module/bspwm" = {
        type = "internal/bspwm";
        format = "<label-state>";

        label =
          let
            common = {
              padding = 1;
              # separator = " ";
              text = "%name%";
            };
          in
          {
            focused = recursiveUpdate common colors.selected;
            occupied = recursiveUpdate common colors.active;
            urgent = recursiveUpdate (recursiveUpdate common colors.active) { background = colors.alert; };
            empty = recursiveUpdate common colors.normal;
          };
      };

      "module/cpu" = {
        type = "internal/cpu";
        format = recursiveUpdate colors.normal { text = " <label>"; };
        interval = 2;
        label = "%percentage-sum%%";
        ramp-load = ramp;
      };

      "module/date" = {
        type = "internal/date";
        format = colors.normal;
        date = { alt = "%Y-%m-%d"; text = "%a %d/%m/%y"; };
        interval = "1";
        label = "%date% %time%";
        time = { alt = "%H:%M:%S"; text = "%H:%M"; };
      };

      "module/memory" = {
        type = "internal/memory";
        format = recursiveUpdate colors.normal { text = " <label>"; };
        interval = 2;
        label = "%percentage_used%%";
        ramp-used = ramp;
      };

      "module/pulseaudio" = {
        interval = 2;
        bar.volume = {
          empty = { text = "─"; };
          fill = { text = "─"; };
          indicator = { text = "|"; };
          width = "10";
          foreground = [
            colors.green
            colors.green
            colors.green
            colors.green
            colors.green
            colors.yellow
            colors.orange
            colors.red
          ];
        };
        click.right =
          "${pgrep} pavucontrol && ${pkill} pavucontrol || ${pavucontrol}";
        format = {
          padding = 1;
          muted = colors.active;
          volume = recursiveUpdate colors.normal {
            text = "<ramp-volume> <label-volume>";
          };
        };
        label.muted.text = "󰝟 muted";
        label.volume.text = "%percentage%%";
        ramp.volume = [ "󰕿" "󰖀" "󰕾" ];
        type = "internal/pulseaudio";
      };

      "module/temperature" = {
        format = recursiveUpdate colors.normal {
          text = "<ramp> <label>";
          warn = {
            text = "<ramp> <label-warn>";
            underline = colors.alert;
          };
        };
        hwmon.path =
          "/sys/devices/platform/coretemp.0/hwmon/hwmon5/temp1_input";
        label = {
          text = "%temperature-c%";
          warn = "%temperature-c%";
        };
        ramp.text = [ "" "" "" "" "" ];
        thermal.zone = "0";
        type = "internal/temperature";
        warn.temperature = "90";
      };

      "module/powermenu" = {
        type = "custom/menu";
        expand.right = true;
        format.spacing = 1;
        label = {
          open = recursiveUpdate colors.normal { text = "●"; };
          close = recursiveUpdate colors.normal { text = ""; };
        };
        menu = [
          [
            {
              text = "󰍃";
              exec = confirm_command { cmd = logout; title = "Logout"; text = "Do you want to logout?"; };
            }
            {
              text = "󰜉";
              exec = confirm_command { cmd = "${systemctl} reboot"; title = "Reboot"; text = "Do you want to reboot?"; };
            }
            {
              text = "";
              exec = confirm_command { cmd = "${systemctl} hibernate"; title = "Hibernate"; text = "Do you want to hibernate?"; };
            }
            {
              text = "";
              exec = confirm_command { cmd = "${shutdown} now"; title = "Shutdown"; text = "Do you want to shutdown?"; };
            }
          ]
        ];
      };

      "module/notifications" = {
        type = "custom/script";
        format = recursiveUpdate colors.normal { padding = 0; };
        exec = "${notificationStatus}";
        click.left = "${notificationToggle}";
        click.right = "${notificationHistory}";
        interval = 0.5;
        # tail = 1;
      };
      "module/keyboard-switch" = {
        type = "custom/script";
        format = recursiveUpdate colors.normal { padding = 0; };
        exec = "${keyboardStatus}";
        click.left = "${keyboardToggle}";
        interval = 1;
        # tail = 1;
      };
      "module/player" = {
        type = "custom/script";
        format = colors.normal;
        exec = playerStatus;
        tail = true;
        click.left = "${playerCtl} play-pause";
        clicl.right = "${playerCtl} stop";
        scroll = {
          up = "${playerCtl} previous";
          down = "${playerCtl} next";
        };
      };
      "module/player-prev" = {
        type = "custom/script";
        format = colors.normal;
        exec = "echo 󰒮";
        click.left = "${playerCtl} previous";
      };
      "module/player-next" = {
        type = "custom/script";
        format = colors.normal;
        exec = "echo 󰒭";
        click.left = "${playerCtl} next";
      };
      "module/player-play-pause" = {
        type = "custom/script";
        format = colors.normal;
        exec = "echo 󰐎";
        click.left = "${playerCtl} play-pause";
      };
    };
  };
}