nix/home/modules/niri.nix

{
  pkgs,
  lib,
  config,
  ...
}:
let
  services =
    let
      inherit (pkgs) swaynotificationcenter sway-audio-idle-inhibit;
    in
    [
      swaynotificationcenter
      sway-audio-idle-inhibit
    ];
  errata =
    let
      inherit (pkgs) sirula avizo playerctl;
    in
    [
      sirula
      avizo
      playerctl
    ];
  extraServices =
    let
      inherit (pkgs)
        swayidle
        swaybg
        systemd
        niri-unstable
        avizo
        ;
    in
    [
      {
        name = "swaybg";
        value = "${lib.getExe swaybg} -m fill -i /home/${config.mainUser}/.nix/wallpaper.jpg";
      }
      {
        name = "avizo-service";
        value = "${lib.getExe' avizo "avizo-service"}";
      }
      {
        name = "swayidle";
        value =
          let
            niri = lib.getExe niri-unstable;
            systemctl = lib.getExe' systemd "systemctl";
          in
          ''
            ${lib.getExe swayidle} -w \
              timeout 1800 '${systemctl} suspend' \
              timeout 600 '${niri} msg action power-off-monitors'
          '';
      }
    ];
in
{
  home.packages = errata;
  ezServices = builtins.listToAttrs (
    (map (entry: {
      name = "${lib.strings.toLower entry.pname}";
      value = "${lib.getExe entry}";
    }) services)
    ++ extraServices
  );
  programs.niri.settings =
    let
      inherit (lib) range nameValuePair mapAttrs';
      inherit (builtins) listToAttrs replaceStrings;
      inherit (config.lib.niri) actions;
    in
    {
      binds =
        let
          hBinds = {
            H = "left";
            L = "right";
          };
          vBinds = {
            J = "down";
            K = "up";
          };
          makeDirBind =
            mods: cmd: keys:
            mapAttrs' (
              key: dir:
              nameValuePair "${mods}+${key}" {
                action = actions."${replaceStrings [ "$DIR" ] [ "${dir}" ] "${cmd}"}";
              }
            ) keys;
          makeWsBind =
            mods: cmd:
            listToAttrs (
              map (num: {
                name = "${mods}+${builtins.toString num}";
                value = {
                  action."${cmd}" = num;
                };
              }) (range 0 6)
            );
        in
        {
          "Mod+D".action.spawn = "sirula";
          "Mod+F".action.spawn = "firefox";
          "Mod+E".action.spawn = "nautilus";
          "Mod+Return".action.spawn = "kitty";
          "Mod+Shift+E".action.spawn = "wlogout";
          "Mod+Equal".action.spawn = "keepassxc";
          "Mod+Shift+Q".action = actions.close-window;
          "Mod+Shift+S".action = actions.screenshot;
          "Mod+R".action = actions.switch-preset-column-width;
          "Mod+Shift+R".action = actions.maximize-column;
          "XF86AudioRaiseVolume".action.spawn = [
            "volumectl"
            "-u"
            "up"
          ];
          "XF86AudioLowerVolume".action.spawn = [
            "volumectl"
            "-u"
            "down"
          ];
          "XF86AudioMute".action.spawn = [
            "volumectl"
            "toggle-mute"
          ];
          "XF86AudioStop".action.spawn = [
            "playerctl"
            "stop"
          ];
          "XF86AudioPlay".action.spawn = [
            "playerctl"
            "play-pause"
          ];
          "XF86AudioNext".action.spawn = [
            "playerctl"
            "next"
          ];
          "XF86AudioPrev".action.spawn = [
            "playerctl"
            "previous"
          ];
          "Mod+Space".action = actions.toggle-window-floating;
        }
        // makeDirBind "Mod" "focus-window-or-workspace-$DIR" vBinds
        // makeDirBind "Mod" "focus-column-or-monitor-$DIR" hBinds
        // makeDirBind "Mod+Shift" "move-window-to-workspace-$DIR" vBinds
        // makeDirBind "Mod+Shift" "move-column-$DIR-or-to-monitor-$DIR" hBinds
        // makeDirBind "Mod+Ctrl" "consume-or-expel-window-$DIR" hBinds
        // makeDirBind "Mod+Ctrl" "move-window-$DIR" vBinds
        // makeWsBind "Mod" "focus-workspace"
        // makeWsBind "Mod+Shift" "move-window-to-workspace";
      outputs = {
        # "Unknown-1".enable = false;
        "DP-1" = {
          transform.rotation = 90;
          scale = 1;
        };
        "DP-2" = {
          variable-refresh-rate = true;
          scale = 1;
        };
      };
      input = {
        warp-mouse-to-focus = true;
      };
      cursor = {
        hide-after-inactive-ms = 5000;
        hide-when-typing = true;
        size = 16;
        theme = pkgs.rice.cursor.name;
      };
      layout = {
        always-center-single-column = true;
        gaps = 24;
        default-column-width.proportion = 0.5;
        preset-column-widths = map (p: { proportion = p; }) [
          (2.0 / 3.0)
          0.5
          (1.0 / 3.0)
        ];
        focus-ring =
          let
            pal = pkgs.lib.nix-rice.palette.toRgbHex pkgs.rice.palette;
          in
          {
            active = {
              color = pal.bright.yellow;
            };
            inactive = {
              color = pal.normal.black;
            };
          };
      };
      prefer-no-csd = true;
      hotkey-overlay.skip-at-startup = true;
    };

  programs.ironbar = {
    enable = true;
    systemd = true;
    config = {
      monitors."DP-1" = {
        position = "top";
        height = 16;
        start = [
          {
            type = "music";
            player_type = "mpris";
          }
        ];
        center = [
          {
            type = "focused";
            icon_size = 16;
            truncate = "middle";
          }
        ];
        end = [
          { type = "clock"; }
          { type = "tray"; }
        ];
      };
    };
  };

  systemd.user.services.ironbar = {
    Unit.PartOf = [ "graphical-session.target" ];
    Unit.After = [
      "graphical-session.target"
      "niri.service"
    ];
    Install.WantedBy = [ "graphical-session.target" ];
  };

  xdg.configFile = {
    "sirula/config.toml".text = ''
      exclusive = false
      icon_size = 24
      lines = 2
      anchor_left = false
      anchor_right = true
      anchor_bottom = false
      anchor_top = false
      width = 320
      height = 720
      command_prefix = ":"
      frequent_first = true
      recent_first = true
      term_command = "kitty {}"
    '';

    "sirula/style.css".text =
      let
        pal = pkgs.lib.nix-rice.palette.toRgbHex pkgs.rice.palette;
      in
      ''
        #root-box {
          background-color: ${pal.normal.black};
          color: ${pal.normal.yellow};
          font-family: '${pkgs.rice.fonts.sans.name}';
        }
        /* what's the name of the highlighted search text?
           color: ${pal.normal.white};
        */
      '';
  };
}