#include <gtk/gtk.h>

int main()
{
  gtk_init (NULL, NULL);

  GtkWidget *window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  g_signal_connect (G_OBJECT (window), "destroy", gtk_main_quit, NULL);
  gtk_widget_show (window);

  GtkWidget *vbox = gtk_vbox_new (FALSE, 0);
  gtk_widget_show (vbox);
  gtk_container_add (GTK_CONTAINER (window), vbox);

  GtkWidget *menubar = gtk_menu_bar_new ();
  gtk_widget_show (menubar);
  gtk_box_pack_start (GTK_BOX (vbox), menubar, FALSE, FALSE, 0);

  GtkWidget *menuitem = gtk_menu_item_new_with_label ("Test");
  gtk_widget_show (menuitem);
  gtk_menu_shell_append (GTK_MENU_SHELL (menubar), menuitem);

  GtkWidget *menu = gtk_menu_new ();
  gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), menu);
  gtk_widget_show (menu);

  int i;

  for (i = 0; i < 100; i++) {
    menuitem = gtk_menu_item_new_with_label ("Item");
    gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
    gtk_widget_show (menuitem);
  }

  gtk_main ();

  return 0;
}