Nixfiles/wm/i3.nix

{
  config,
  lib,
  pkgs,
  ...
}:
with builtins;
with lib;
let
  cfg = config.wm;
  common = import ./i3like-utils.nix { inherit config; };

  startupNotifications =
    if cfg.notifications.enable then
      [
        {
          command = "${config.services.dunst.package}/bin/dunst";
          notification = false;
          always = true;
        }
      ]
    else
      [ ];

  wallpaperSet =
    if cfg.wallpaper != null then
      [
        {
          command = "${pkgs.feh}/bin/feh --bg-scale ${cfg.wallpaper}";
          always = true;
          notification = false;
        }
      ]
    else
      [ ];

  startup = startupNotifications ++ wallpaperSet ++ cfg.startup;
in
{
  config = mkIf (cfg.enable && cfg.kind == "i3") {
    programs = {
      i3status-rust = {
        enable = true;
        bars.bottom = {
          blocks = [
            {
              block = "disk_space";
              path = "/";
              info_type = "used";
              unit = "GB";
              alert = 90;
              warning = 80;
              format = ":{used}/{total}";
            }
            {
              block = "disk_space";
              path = "/home";
              info_type = "used";
              unit = "GB";
              alert = 90;
              warning = 80;
              format = ":{used}/{total}";
            }
            {
              block = "load";
              format = ":{1m}";
            }
            {
              block = "sound";
              driver = "pulseaudio";
            }
            {
              block = "music";
              player = "spotify";
              format = "{combo}";
            }
            { block = "time"; }
          ];
        };
      };
    };

    services.dunst = mkIf cfg.notifications.enable {
      enable = true;
      settings = {
        global = {
          timeout = "${toString cfg.notifications.defaultTimeout}ms";
          inherit (cfg.notifications) font;
        };
      };
    };

    wm.printScreen.command = mkDefault "${pkgs.maim}/bin/maim -s | ${pkgs.xclip}/bin/xclip -selection clipboard -t image/png";
    wm.exit.command = mkDefault "\"i3-nagbar -t warning -m 'You pressed the exit shortcut. Do you really want to exit i3? This will end your X session.' -B 'Yes, exit i3' 'i3-msg exit'\"";

    xsession = {
      enable = true;
      windowManager.i3 = {
        enable = true;
        config = {
          inherit startup;
          inherit (common) keybindings;
          inherit (common) workspaceOutputAssign;
          inherit (common) assigns;
          fonts = common.mkFont cfg.font;
          inherit (cfg) modifier;
          bars = [
            {
              fonts = common.mkFont cfg.bar.font;
              statusCommand = "${config.programs.i3status-rust.package}/bin/i3status-rs ${config.home.homeDirectory}/.config/i3status-rust/config-bottom.toml";
            }
          ];
        };
      };
      scriptPath = ".hm-xsession";
    };
  };
}