nixos/modules/dwm.nix

{ lib, config, pkgs, ... }:

let
  cfg = config.snowhawk.dwm;
in
{
  options.snowhawk.dwm = {
    enable = lib.mkEnableOption "dwm";
  };

  config = lib.mkIf cfg.enable {
    services.xserver.windowManager.dwm = {
      enable = true;
      package = pkgs.dwm.overrideAttrs (oldAttrs: {
        patches = [
          ../home/dwm/config.def.h-6.5.diff
        ];
      });
    };

    services.picom = {
      enable = true;
      fade = false;
    };

    systemd.user.services.screenlayout = {
      script = ''
        ${pkgs.xorg.xrandr}/bin/xrandr \
              --output DP-0 --primary --mode 1920x1080 --pos 1922x0 --rotate normal \
              --output DP-1 --off \
              --output HDMI-0 --mode 1920x1080 --pos 0x0 --rotate normal \
              --output DP-2 --off \
              --output DP-3 --off \
              --output HDMI-1 --off \
              --output DP-4 --off \
              --output DP-5 --off
      '';
      wantedBy = [ "graphical-session.target" ];
      partOf = [ "graphical-session.target" ];
    };

    systemd.user.services.xrootdatetime = {
      script = ''
        while true; do
        	sleep 1 && date +"<-- %A, %B %d -- %H:%M -->" | xargs -I% ${pkgs.xorg.xsetroot}/bin/xsetroot -name %
        done
      '';
      wantedBy = [ "graphical-session.target" ];
      partOf = [ "graphical-session.target" ];
    };

    environment.systemPackages = with pkgs; [
      dmenu
    ];
  };
}