//$Id: examplewindow.cc,v 1.7 2006/05/11 11:40:21 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.

  //Create actions for menus and toolbars:
  m_refActionGroup = Gtk::ActionGroup::create();

  //File|New sub menu:
  m_refActionGroup->add( Gtk::Action::create("FileNewStandard", Gtk::Stock::NEW, "_New", "Create a new file"),
    sigc::mem_fun(*this, &ExampleWindow::on_menu_file_new_generic) );

  m_refActionGroup->add( Gtk::Action::create("FileNewFoo", Gtk::Stock::NEW, "New Foo", "Create a new foo"),
    sigc::mem_fun(*this, &ExampleWindow::on_menu_file_new_generic) );

  m_refActionGroup->add( Gtk::Action::create("FileNewGoo", Gtk::Stock::NEW, "_New Goo", "Create a new goo"),
    sigc::mem_fun(*this, &ExampleWindow::on_menu_file_new_generic) );

  //File menu:
  m_refActionGroup->add( Gtk::Action::create("FileMenu", "File") );
  m_refActionGroup->add( Gtk::Action::create("FileNew", Gtk::Stock::NEW) ); //Sub-menu.
  m_refActionGroup->add( Gtk::Action::create("FileQuit", Gtk::Stock::QUIT),
    sigc::mem_fun(*this, &ExampleWindow::on_menu_file_quit) );

  //Edit menu:
  m_refActionGroup->add( Gtk::Action::create("EditMenu", "Edit") );
  m_refActionGroup->add( Gtk::Action::create("EditCopy", Gtk::Stock::COPY),
    sigc::mem_fun(*this, &ExampleWindow::on_menu_others) );
  m_refActionGroup->add( Gtk::Action::create("EditPaste", Gtk::Stock::PASTE),
    sigc::mem_fun(*this, &ExampleWindow::on_menu_others) );
  m_refActionGroup->add( Gtk::Action::create("EditSomething", "Something"), Gtk::AccelKey("<control><alt>S"),
    sigc::mem_fun(*this, &ExampleWindow::on_menu_others) );


  //Choices menu, to demonstrate Radio items
  m_refActionGroup->add( Gtk::Action::create("ChoicesMenu", "Choices") );
  Gtk::RadioAction::Group group_userlevel;
  m_refChoiceOne = Gtk::RadioAction::create(group_userlevel, "ChoiceOne", "One");
  m_refActionGroup->add(m_refChoiceOne,
    sigc::mem_fun(*this, &ExampleWindow::on_menu_choices_one) );
  m_refChoiceTwo = Gtk::RadioAction::create(group_userlevel, "ChoiceTwo", "Two");
  m_refActionGroup->add(m_refChoiceTwo,
    sigc::mem_fun(*this, &ExampleWindow::on_menu_choices_two) );


  //Help menu:
  m_refActionGroup->add( Gtk::Action::create("HelpMenu", "Help") );
  m_refActionGroup->add( Gtk::Action::create("HelpAbout", Gtk::Stock::HELP),
    sigc::mem_fun(*this, &ExampleWindow::on_menu_others) );

  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:
  
  Glib::ustring ui_info = 
        "<ui>"
        "  <menubar name='MenuBar'>"
        "    <menu action='FileMenu'>"
        "      <menu action='FileNew'>"
        "        <menuitem action='FileNewStandard'/>"
        "        <menuitem action='FileNewFoo'/>"
        "        <menuitem action='FileNewGoo'/>"
        "      </menu>"
        "      <separator/>"
        "      <menuitem action='FileQuit'/>"
        "    </menu>"
        "    <menu action='EditMenu'>"
        "      <menuitem action='EditCopy'/>"
        "      <menuitem action='EditPaste'/>"
        "      <menuitem action='EditSomething'/>"
        "    </menu>"
        "    <menu action='ChoicesMenu'>"
        "      <menuitem action='ChoiceOne'/>"
        "      <menuitem action='ChoiceTwo'/>"
        "    </menu>"
        "    <menu action='HelpMenu'>"
        "      <menuitem action='HelpAbout'/>"
        "    </menu>"
        "  </menubar>"
        "  <toolbar  name='ToolBar'>"
        "    <toolitem action='FileNewStandard'/>"
        "    <toolitem action='FileQuit'/>"
        "  </toolbar>"
        "</ui>";

  #ifdef GLIBMM_EXCEPTIONS_ENABLED
  try
  {      
    m_refUIManager->add_ui_from_string(ui_info);
  }
  catch(const Glib::Error& ex)
  {
    std::cerr << "building menus failed: " <<  ex.what();
  }
  #else
  std::auto_ptr<Glib::Error> ex;
  m_refUIManager->add_ui_from_string(ui_info, ex);
  if(ex.get())
  { 
    std::cerr << "building menus failed: " <<  ex->what();
  }
  #endif //GLIBMM_EXCEPTIONS_ENABLED

 
  //Get the menubar and toolbar widgets, and add them to a container widget:
  Gtk::Widget* pMenubar = m_refUIManager->get_widget("/MenuBar");
  if(pMenubar)
    m_Box.pack_start(*pMenubar, Gtk::PACK_SHRINK);

  Gtk::Widget* pToolbar = m_refUIManager->get_widget("/ToolBar") ;
  if(pToolbar)
    m_Box.pack_start(*pToolbar, Gtk::PACK_SHRINK);

  show_all_children();
}

ExampleWindow::~ExampleWindow()
{
}

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

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

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

void ExampleWindow::on_menu_choices_one()
{
  Glib::ustring message;
  if(m_refChoiceOne->get_active())
    message = "Choice 1 was selected.";
  else
    message = "Choice 1 was deselected";

  std::cout << message << std::endl;
}

void ExampleWindow::on_menu_choices_two()
{
  Glib::ustring message;
  if(m_refChoiceTwo->get_active())
    message = "Choice 2 was selected.";
  else
    message = "Choice 2 was deselected";

  std::cout << message << std::endl;
}

