function create_toggle_buttons ()
{
  local	box1, box2, separator, button;
  
  win_toggle_buttons = new (GtkWindow);
  win_toggle_buttons.signal ("destroy", #win_toggle_buttons = nil);
  win_toggle_buttons.title = "GtkToggleButton";
  win_toggle_buttons.border_width = 0;
  
  box1 = new (GtkVBox);
  win_toggle_buttons.add (box1);
  
  box2 = new (GtkVBox);
  box2.border_width = 10;
  box2.spacing = 10;
  box1.pack_start (box2, TRUE, TRUE, 0);
  
  button = new (GtkToggleButton);
  button.label = "button1";
  box2.pack_start (button, TRUE, TRUE, 0);
  
  button = new (GtkToggleButton);
  button.label = "button2";
  box2.pack_start (button, TRUE, TRUE, 0);
  
  button = new (GtkToggleButton);
  button.label = "button3";
  box2.pack_start (button, TRUE, TRUE, 0);
  
  separator = new (GtkHSeparator);
  box1.pack_start (separator, FALSE, TRUE, 0);
  
  box2 = new (GtkVBox);
  box2.border_width = 10;
  box1.pack_start (box2, FALSE, TRUE, 0);
  
  button = new (GtkButton);
  button.label = "close";
  button.signal ("clicked", `(@win_toggle_buttons).destroy());
  box2.pack_start (button, TRUE, TRUE, 0);
  button.can_default = TRUE;
  button.grab_default();

  win_toggle_buttons.show_all();
  win_toggle_buttons;
}

function main ()
{
  local window, win_toggle_buttons;
  TRUE=1;
  FALSE=0;
  window = create_toggle_buttons ();
  window.signal ("destroy", #exit_program(0));
  init_ipc("toggle_but", "toggle_butq");
  gtk_main ();
}