//$Id: examplewindow.cc 836 2007-05-09 03:02:38Z jjongsma $ -*- 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.h>
#include <iostream>

ExampleWindow::ExampleWindow()
: m_Box(Gtk::ORIENTATION_VERTICAL)
{
  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) );

  register_stock_items(); //Makes the "example_stock_rain" stock item available.
  m_refActionGroup->add( Gtk::ToggleAction::create("Rain",
    Gtk::StockID("example_stock_rain") ),
    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:
  Glib::ustring ui_info =
    "<ui>"
    "  <menubar name='MenuBar'>"
    "    <menu action='MenuFile'>"
    "      <menuitem action='New'/>"
    "      <menuitem action='Open'/>"
    "      <separator/>"
    "      <menuitem action='Rain'/>"
    "      <separator/>"
    "      <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='Rain'/>"
    "    <toolitem action='Quit'/>"
    "  </toolbar>"
    "</ui>";

  try
  {
    m_refUIManager->add_ui_from_string(ui_info);
  }
  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 app->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;
}


void ExampleWindow::add_stock_item(
  const Glib::RefPtr<Gtk::IconFactory>& factory,
  const std::string& filepath,
  const Glib::ustring& id, const Glib::ustring& label)
{
  Gtk::IconSource source;

  Glib::RefPtr<Gdk::Pixbuf> pixbuf;
  try
  {
    //This throws an exception if the file is not found:
    pixbuf = Gdk::Pixbuf::create_from_file(filepath);
  }
  catch(const Glib::Exception& ex)
  {
    std::cout << ex.what() << std::endl;
  }

  if(!pixbuf)
    return;
    
  source.set_pixbuf(pixbuf);
  source.set_size(Gtk::ICON_SIZE_SMALL_TOOLBAR);
  source.set_size_wildcarded(); //Icon may be scaled.

  Glib::RefPtr<Gtk::IconSet> icon_set = Gtk::IconSet::create();
  icon_set->add_source(source); //More than one source per set is allowed.

  const Gtk::StockID stock_id(id);
  factory->add(stock_id, icon_set);
  Gtk::Stock::add(Gtk::StockItem(stock_id, label));
}

void ExampleWindow::register_stock_items()
{
  Glib::RefPtr<Gtk::IconFactory> factory = Gtk::IconFactory::create();
  add_stock_item(factory, "rain.png", "example_stock_rain", "Stay dry");
  factory->add_default(); //Add factory to list of factories.
}
