function create_pane_options(pn, frame_label, label1, label2)
{
  local child1, child2, frame, table, label, button_r, button_s;
  
  frame = new(GtkFrame);
  frame.label = frame_label;
  frame.border_width = 4;
  
  child1 = car(pn.children());
  child2 = cadr(pn.children());
  
  table = new(GtkTable);
  table.n_rows = 3;
  table.n_columns = 2;
  table.homogeneous = TRUE;
  
  label = new(GtkLabel);
  label.set_text(label1);
  table.attach_defaults(label, 0, 1, 0, 1);
  
  button_r = new(GtkCheckButton);
  button_r.label = "Resize";
  button_r.set_active(TRUE);
  table.attach_defaults(button_r, 0, 1, 1, 2);
  
  button_s = new(GtkCheckButton);
  button_s.label = "Shrink";
  button_s.set_active(TRUE);
  table.attach_defaults(button_s, 0, 1, 2, 3);
  
  button_r.signal("toggled", `toggle_resize(@pn, @child1,
					    (@button_r).get_active(),
					    (@button_s).get_active()));
  button_s.signal("toggled", `toggle_resize(@pn, @child1,
					    (@button_r).get_active(),
					    (@button_s).get_active()));
  
  label = new(GtkLabel);
  label.set_text(label2);
  table.attach_defaults(label, 1, 2, 0, 1);
  
  button_r = new(GtkCheckButton);
  button_r.label = "Resize";
  button_r.set_active(TRUE);
  table.attach_defaults(button_r, 1, 2, 1, 2);
  
  button_s = new(GtkCheckButton);
  button_s.label = "Shrink";
  button_s.set_active(TRUE);
  table.attach_defaults(button_s, 1, 2, 2, 3);
  
  button_r.signal("toggled", `toggle_resize(@pn, @child2,
					    (@button_r).get_active(),
					    (@button_s).get_active()));
  button_s.signal("toggled", `toggle_resize(@pn, @child2,
					    (@button_r).get_active(),
					    (@button_s).get_active()));
  
  frame.add(table);
  frame;
  
}


function toggle_resize(t_pane, t_child, check_r, check_s)
{
  if (check_r == TRUE)
    {
      if (check_s == TRUE)
	change_frame(t_pane, t_child, TRUE, TRUE);
      else
	change_frame(t_pane, t_child, TRUE, FALSE);
    }
  else
    {
      if (check_s == TRUE)
	change_frame(t_pane, t_child, FALSE, TRUE);
      else
	change_frame(t_pane, t_child, FALSE, FALSE);
    }
}


function change_frame(pane, child, resize, shrink)
{
  local	child1 = car(pane.children());
  
  child.ref();
  if (child == child1)
    {
      pane.remove(child);
      pane.pack1(child, resize, shrink);
    }
  else
    {
      pane.remove(child);
      pane.pack2(child, resize, shrink);
    }
  child.unref();
}

function create_panes ()
{
  local	vbox, hbox, frame1, frame2;
  
  win_panes = new (GtkWindow);
  win_panes.signal ("destroy", #win_panes = nil);
  win_panes.title = "Panes";
  
  vbox = new(GtkVBox);
  win_panes.add(vbox);
  
  vpaned = new(GtkVPaned);
  vbox.pack_start(vpaned, TRUE, TRUE, 0);
  vpaned.border_width = 5;
  
  hpaned = new(GtkHPaned);
  vpaned.add1(hpaned);
  
  button = new(GtkButton);
  button.label = "Hi there";
  frame1 = new(GtkFrame);
  frame1.set_shadow_type(GTK_SHADOW_IN);
  frame1.set_usize(60, 60);
  hpaned.pack1(frame1, TRUE, TRUE);
  frame1.add(button);
  
  frame2 = new(GtkFrame);
  frame2.set_shadow_type(GTK_SHADOW_IN);
  frame2.set_usize(80, 60);
  hpaned.pack2(frame2, TRUE, TRUE);
  
  framev = new(GtkFrame);
  framev.set_shadow_type( GTK_SHADOW_IN);
  framev.set_usize(60, 80);
  vpaned.pack2(framev, TRUE, TRUE);
  
  options = create_pane_options(hpaned, "Horizontal", "Left", "Right");
  vbox.pack_start(options, TRUE, TRUE, 0);
  options = create_pane_options(vpaned, "Vertical", "Top", "Bottom");
  vbox.pack_start(options, TRUE, TRUE, 0);
  
  win_panes.show_all();
  win_panes;
}

function main ()
{
  local window, win_panes;
  TRUE=1;
  FALSE=0;
  window = create_panes ();
  window.signal ("destroy", #exit_program(0));
  init_ipc("panes", "panesq");
  gtk_main ();
}