nix-flake/modules/capabilities/graphics.nix

{ inputs, self, ... }: {
  flake.nixosModules.graphics = { config, pkgs, lib, ... }: {
    options.components = {
      displayManager = lib.mkOption {
        # enum that dynamically populates itself with the contents of the display-managers directory
        type = lib.types.enum (map (name: lib.removeSuffix ".nix" name) (
          builtins.attrNames (builtins.readDir "${self}/modules/components/display-managers")
        ));
        default = "lightdm";
      };

      windowManagers = lib.mkOption {
        type = lib.types.either (lib.types.listOf (
          lib.types.enum (map (name: lib.removeSuffix ".nix" name) (
            builtins.attrNames (builtins.readDir "${self}/modules/components/window-managers")
          ))
        )) (lib.types.enum (map (name: lib.removeSuffix ".nix" name) (
          builtins.attrNames (builtins.readDir "${self}/modules/components/window-managers")
        )));
        default = [];
      };

      shells = lib.mkOption {
        type = lib.types.either (lib.types.listOf (
          lib.types.enum (map (name: lib.removeSuffix ".nix" name) (
            builtins.attrNames (builtins.readDir "${self}/modules/components/shells")
          ))
        )) (lib.types.enum (map (name: lib.removeSuffix ".nix" name) (
            builtins.attrNames (builtins.readDir "${self}/modules/components/shells")
        )));
        default = [];
      };
    };

    config = {
      environment.systemPackages = with pkgs; [
        wayland-utils
        mesa-demos
        vulkan-tools
      ];

      fonts.packages = with pkgs; [
        iosevka-comfy.comfy
        nerd-fonts.jetbrains-mono
      ];
    };
  };

  flake.homeModules.graphics = { config, pkgs, lib, ... }: {
    options.components = {
      windowManagers = lib.mkOption {
        type = lib.types.either (lib.types.listOf (
          lib.types.enum (map (name: lib.removeSuffix ".nix" name) (
            builtins.attrNames (builtins.readDir "${self}/modules/components/window-managers")
          ))
        )) (lib.types.enum (map (name: lib.removeSuffix ".nix" name) (
          builtins.attrNames (builtins.readDir "${self}/modules/components/window-managers")
        )));
        default = [];
      };

      shells = lib.mkOption {
        type = lib.types.either (lib.types.listOf (
          lib.types.enum (map (name: lib.removeSuffix ".nix" name) (
            builtins.attrNames (builtins.readDir "${self}/modules/components/shells")
          ))
        )) (lib.types.enum (map (name: lib.removeSuffix ".nix" name) (
            builtins.attrNames (builtins.readDir "${self}/modules/components/shells")
        )));
        default = [];
      };
    };

    config = {
      home.packages = with pkgs; [
        bibata-cursors
        x264
        gparted
        vlc
        iosevka-comfy.comfy
        nerd-fonts.jetbrains-mono
      ];

      dconf.settings = {
        "org/gnome/desktop/interface" = {
          color-scheme = "prefer-dark";
        };
      };

      home.pointerCursor = {
        enable = true;
        package = pkgs.bibata-cursors;
        name = "Bibata-Modern-Ice";
        size = 22;
        gtk.enable = true;
        x11.enable = true;
      };

      gtk = {
        enable = true;
        colorScheme = "dark";

        gtk2.configLocation = "${config.home.homeDirectory}/.config/.gtkrc-2.0"; # prevents file conflicts between this and other parts of the nix config
        gtk2.force = true;
      };
    };
  };
}