adding ui elements

[Diana Esch-Mosher <desch-mosher lanl gov>]

Help!

I have attached the standard example for the uimanager with two very
slight changes. I have deleted the <separator/> from the ui_info string
and tried to add it with 
Gtk::UIManager::ui_merge_id
merge=m_refUIManager->add_ui_from_string(ui_info);
        m_refUIManager->add_ui_separator(merge,
"/MenuBar/MenuFile/Open");

But it doesn't work! Why not? I'm using gtk 2.4.10

Thanks!

-- 
Diana Esch-Mosher <desch-mosher lanl gov>
Los Alamos National Laboratory

//$Id: examplewindow.cc,v 1.2 2004/03/27 00:37:28 murrayc Exp $ -*- c++ -*-

/* gtkmm example Copyright (C) 2002 gtkmm development team
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#include "examplewindow.h"
#include <gtkmm/stock.h>
#include <iostream>

ExampleWindow::ExampleWindow()
{
  set_title("main_menu example");
  set_default_size(200, 200);

  add(m_Box); //We can put a MenuBar at the top of the box and other stuff below it.

  //Define the actions:
  m_refActionGroup = Gtk::ActionGroup::create();
  
  m_refActionGroup->add( Gtk::Action::create("MenuFile", "_File") );
  m_refActionGroup->add( Gtk::Action::create("New", Gtk::Stock::NEW),
    sigc::mem_fun(*this, &ExampleWindow::on_action_file_new) );
  m_refActionGroup->add( Gtk::Action::create("Open", Gtk::Stock::OPEN),
    sigc::mem_fun(*this, &ExampleWindow::on_action_others) );
  m_refActionGroup->add( Gtk::Action::create("Quit", Gtk::Stock::QUIT),
    sigc::mem_fun(*this, &ExampleWindow::on_action_file_quit) );

  m_refActionGroup->add( Gtk::Action::create("MenuEdit", "_Edit") );
  m_refActionGroup->add( Gtk::Action::create("Cut", Gtk::Stock::CUT),
    sigc::mem_fun(*this, &ExampleWindow::on_action_others) );
  m_refActionGroup->add( Gtk::Action::create("Copy", Gtk::Stock::COPY),
    sigc::mem_fun(*this, &ExampleWindow::on_action_others) );
  m_refActionGroup->add( Gtk::Action::create("Paste", Gtk::Stock::PASTE),
    sigc::mem_fun(*this, &ExampleWindow::on_action_others) );

  //Define how the actions are presented in the menus and toolbars:
  Glib::RefPtr<Gtk::UIManager> m_refUIManager = Gtk::UIManager::create();
  m_refUIManager->insert_action_group(m_refActionGroup);
  add_accel_group(m_refUIManager->get_accel_group());

  //Layout the actions in a menubar and toolbar:
  try
  {
    Glib::ustring ui_info =
        "<ui>"
        "  <menubar name='MenuBar'>"
        "    <menu action='MenuFile'>"
        "      <menuitem action='New'/>"
        "      <menuitem action='Open'/>"
        "      <menuitem action='Quit'/>"
        "    </menu>"
        "    <menu action='MenuEdit'>"
        "      <menuitem action='Cut'/>"
        "      <menuitem action='Copy'/>"
        "      <menuitem action='Paste'/>"
        "    </menu>"
        "  </menubar>"
        "  <toolbar  name='ToolBar'>"
        "    <toolitem action='Open'/>"
        "    <toolitem action='Quit'/>"
        "  </toolbar>"
        "</ui>";

     Gtk::UIManager::ui_merge_id merge=m_refUIManager->add_ui_from_string(ui_info);
	m_refUIManager->add_ui_separator(merge, "/MenuBar/MenuFile/Open");

  }
  catch(const Glib::Error& ex)
  {
    std::cerr << "building menus and toolbars failed: " <<  ex.what();
  }

  Gtk::Widget* pMenuBar = m_refUIManager->get_widget("/MenuBar") ;

  //Add the MenuBar to the window:
  m_Box.pack_start(*pMenuBar, Gtk::PACK_SHRINK);


  Gtk::Widget* pToolbar = m_refUIManager->get_widget("/ToolBar") ;

  //Add the MenuBar to the window:
  m_Box.pack_start(*pToolbar, Gtk::PACK_SHRINK);
  
  show_all_children();
}

ExampleWindow::~ExampleWindow()
{
}

void ExampleWindow::on_action_file_quit()
{
  hide(); //Closes the main window to stop the Gtk::Main::run().
}

void ExampleWindow::on_action_file_new()
{
   std::cout << "A File|New menu item was selected." << std::endl;
}

void ExampleWindow::on_action_others()
{
  std::cout << "A menu item was selected." << std::endl;
}