nix/home/modules/niri.nix

{
  pkgs,
  lib,
  config,
  inputs,
  ...
}: 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
        lock = lib.getExe pkgs.swaylock;
        niri = lib.getExe niri-unstable;
        systemctl = lib.getExe' systemd "systemctl";
      in ''
        ${lib.getExe swayidle} -w \
          timeout 1800 '${systemctl} suspend' \
          timeout 600 '${niri} msg action power-off-monitors' \
          timeout 599 '${lock} -f' \
          before-sleep '${lock} -f'
      '';
    }
  ];
in {
  home.packages = errata;
  ezServices = builtins.listToAttrs (
    (map (entry: {
        name = "${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"];
      }
      // 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" = {
        variable-refresh-rate = true;
        scale = 1;
      };
      "HDMI-A-2" = {
        transform.rotation = 90;
        scale = 1;
      };
    };
    input = {
      warp-mouse-to-focus = true;
    };
    cursor = {
      hide-after-inactive-ms = 5000;
      hide-when-typing = true;
      size = 16;
    };
    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.swaylock = {
    enable = true;
    settings.color = (pkgs.lib.nix-rice.palette.toRGBShortHex pkgs.rice.palette).normal.black;
  };

  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};
      */
    '';
  };
}