nix-config/specializations/dwm.nix

{ lib, pkgs, ... }:

let
  inherit (lib) singleton;
in
{
  home-manager.sharedModules = singleton {
    services.picom = rec {
      enable = true;
      backend = "glx";

      vSync = true;
      fade = true;
      shadow = true;

      fadeDelta = 5;

      fadeExclude = [
        "window_type = 'menu'"
        "window_type = 'dropdown_menu'"
        "window_type = 'popup_menu'"
        "window_type = 'tooltip'"
      ];

      shadowExclude = fadeExclude;

      settings = {
        blur = {
          method = "dual_kawase";
          size = 10;
        };
      };
    };

    services.dunst = {
      enable = true;

      iconTheme = {
        package = pkgs.papirus-icon-theme;
        name = "Papirus";
      };

      settings = {
        global = {
          geometry = "1870x5-25+45";
          width = 350;
          separator_height = 5;
          padding = 24;
          horizontal_padding = 24;
          frame_width = 3;
          idle_threshold = 120;
          alignment = "center";
          word_wrap = "yes";
          transparency = 5;
          format = "<b>%s</b>: %b";
          markup = "full";
          min_icon_size = 32;
          max_icon_size = 128;
        };
      };
    };
  };

  services = {
    xserver = {
      displayManager.startx.enable = true;
      windowManager.dwm.enable = true;
    };

    libinput = {
      touchpad = {
        naturalScrolling = true;
        accelProfile = "flat";
      };

      mouse = {
        accelProfile = "flat";
      };
    };
  };
}