using GLib;
using Gtk;

public class ScrollableArea : DrawingArea {
  signal void set_scroll_adjustments(Adjustment a, Adjustment b);
  public void initialize() {
    set_scroll_adjustments += on_set_scroll_adjustments;
  }

  public bool on_set_scroll_adjustments(Adjustment hadj, Adjustment vadj) {
    stderr.printf("  ... here should be more ...\n");
    return true;
  }
}

public class Test {
  public static void main (string[] args) {
    
    Gtk.init(ref args);
    Window win = new Window(WindowType.TOPLEVEL);
    win.destroy += Gtk.main_quit;
    win.title="AnalogClockDemo";
    ScrolledWindow scrolled_win = new ScrolledWindow(null, null);
    ScrollableArea display = new ScrollableArea();
    scrolled_win.add(display);
    win.add(scrolled_win);
    win.show_all();
    Gtk.main();
  }
}