nixos/services/desktop/sway.nix

{
  config,
  lib,
  pkgs,
  ...
}:
with lib;
mkIf (elem "desktop::sway" config.machine.services) {
  programs.sway = {
    enable = true;
    package = pkgs.sway.override {
      enableXWayland = true;
    };
    extraPackages = with pkgs; [
      file
      gnome.adwaita-icon-theme
      grim
      gsettings-desktop-schemas
      gtk3
      i3status
      kanagawa
      light
      mako
      qt5.qtwayland
      rofi-wayland
      slurp
      swayidle
      swaylock
      wf-recorder
      wl-clipboard
    ];
    wrapperFeatures = {
      base = true;
      gtk = true;
    };
    extraSessionCommands = ''
      export GDK_BACKEND=wayland
      export CLUTTER_BACKEND=wayland
      export SDL_VIDEODRIVER=wayland
      # needs qt5.qtwayland in systemPackages
      export QT_QPA_PLATFORM=wayland-egl
      export QT_WAYLAND_FORCE_DPI=physical
      export QT_WAYLAND_DISABLE_WINDOWDECORATION="1"
      # Fix for some Java AWT applications (e.g. Android Studio),
      # use this if they aren't displayed properly:
      export _JAVA_AWT_WM_NONREPARENTING=1
      # Chromium (based) applications
      export NIXOS_OZONE_WL=1
    '';
  };
}