using Gtk;

class GLess : Gtk.Window
{
    private TextView text_view;

    public GLess () {
      this.title = "GLess";
      this.position = WindowPosition.CENTER;

      this.text_view = new TextView();
      this.text_view.editable = false;
      this.text_view.cursor_visible = false;

      var scroll = new ScrolledWindow (null, null);
      scroll.set_policy(PolicyType.AUTOMATIC, PolicyType.AUTOMATIC);
      scroll.add(this.text_view);

      var vbox = new VBox(false, 0);
      vbox.pack_start(scroll, true, true, 0);
      add(vbox);

      var input = new StringBuilder();
      var buffer = new char[1024];

      while (!stdin.eof()) {
        string read_chunk = stdin.gets(buffer);
        if (read_chunk != null) {
          input.append(read_chunk);
        }
      }

      this.text_view.buffer.text = input.str;
    }

    public static int main (string[] args) {
        Gtk.init (ref args);

        var app = new GLess();
        app.show_all();

        app.destroy.connect(Gtk.main_quit);

        Gtk.main();


        return 0;
    }
}