nixos-config/modules/desktop/default.nix

{ config, pkgs, lib, ... }:
with lib;
{
  options.sconfig.desktop = {
    enable = lib.mkEnableOption "Enable Desktop Environment";
  };

  imports = [
    ./chromium.nix
    ./firefox.nix
    ./kitty.nix
  ];

  config = mkIf (config.sconfig.desktop.enable) {
    programs.steam.enable = true;
    services.pcscd.enable = true;
    virtualisation.podman.enable = true;
    networking.networkmanager.wifi.powersave = false;

    # Pipewire
    sound.enable = true;
    hardware.pulseaudio.enable = false;
    security.rtkit.enable = true;
    services.pipewire = {
      enable = true;
      pulse.enable = true;
      alsa.enable = true;
      alsa.support32Bit = true;
    };

    sconfig = {
      security-tools = true;
    };

    services.udev.extraHwdb = ''
      mouse:usb:*
        MOUSE_DPI=600@1000
    '';

    fonts.packages = [
      (pkgs.nerdfonts.override { fonts = [ "DejaVuSansMono" ]; })
    ];

    environment.variables.MOZ_ENABLE_WAYLAND = "1";
    environment.variables.MOZ_USE_XINPUT2 = "1";

    environment.systemPackages = with pkgs; [
      chromium
      discord
      element-desktop
      ffmpeg
      gimp
      glxinfo
      gnome3.dconf-editor
      helvum
      obs-studio
      opensc
      pavucontrol
      qemu_kvm
      quickemu
      tdesktop
      yt-dlp-light

      pcscliteWithPolkit.out # workaround: https://github.com/NixOS/nixpkgs/issues/280826

      (mpv.override { scripts = [ mpvScripts.mpris ]; })

      (vscode-with-extensions.override {
        vscodeExtensions = with pkgs.vscode-extensions; [
          esbenp.prettier-vscode
          jnoortheen.nix-ide
          ms-azuretools.vscode-docker
          # ms-python.python # currently broken (2023-10-26)
          redhat.vscode-yaml
          shardulm94.trailing-spaces
        ];
      })
    ];

    environment.etc."my-settings.sh".text = ''
      mkdir -p ~/.config/Code/User
      ln -sf /etc/vscode-settings.json ~/.config/Code/User/settings.json
      ln -sf /etc/vscode-keybindings.json ~/.config/Code/User/keybindings.json
    '';

    environment.etc."vscode-keybindings.json".source = ./vscode-keybindings.json;
    environment.etc."vscode-settings.json".text = builtins.toJSON (
      (
        builtins.fromJSON (builtins.readFile ./vscode-settings.json)
      ) // {
        # NixOS-specific vscode settings:
        "extensions.autoCheckUpdates" = false;
        "extensions.autoUpdate" = false;
        "terminal.external.linuxExec" = "x-terminal-emulator";
        "terminal.integrated.fontFamily" = "DejaVuSansM Nerd Font";
        "update.mode" = "none";
      }
    );

    boot.loader.timeout = 1;
  };
}