# shell.nix
{ pkgs ? import <nixpkgs> {} }:

pkgs.mkShell {
  buildInputs = [
    pkgs.gcc
    pkgs.pkg-config
    pkgs.meson
    pkgs.ninja
    pkgs.gtkmm4
  ];

  # --- New Code Starts Here ---
  # This hook runs when you enter the shell.
  # It sets an environment variable telling GTK where to find its schemas.
  shellHook = ''
    export GSETTINGS_SCHEMA_PATH=${pkgs.gtk4}/share/glib-2.0/schemas
  '';
  # --- New Code Ends Here ---
}