Menu_Meu

#include <SubMenuItem.h>
#include <SubMenu.h>
#include <MenuItem.h>
#include <Menu.h>
//initialize menu
  int seque;
Menu menu = Menu(menuUsed,menuChanged);
//initialize menuitems
  MenuItem menuItem1 = MenuItem();
      SubMenu subMenu1 = SubMenu(menuChanged);
      SubMenuItem subMenu1Item1 = SubMenuItem();
      SubMenuItem subMenu1Item2 = SubMenuItem();
      SubMenuItem subMenu1Item3 = SubMenuItem();
  MenuItem menuItem2 = MenuItem();
      SubMenu subMenu2 = SubMenu(menuChanged);
      SubMenuItem subMenu2Item1 = SubMenuItem();
      SubMenuItem subMenu2Item2 = SubMenuItem();
      SubMenuItem subMenu2Item3 = SubMenuItem();
  MenuItem menuItem3 = MenuItem();
      SubMenu subMenu3 = SubMenu(menuChanged);
      SubMenuItem subMenu3Item1 = SubMenuItem();
      SubMenuItem subMenu3Item2 = SubMenuItem();
      SubMenuItem subMenu3Item3 = SubMenuItem();
//-------------------------------------------------------------------------
void setup(){
  Serial.begin(9600);

  //configure menu
  menu.addMenuItem(menuItem1);
      subMenu1.addSubMenuItem(subMenu1Item1);
      subMenu1.addSubMenuItem(subMenu1Item2);
      subMenu1.addSubMenuItem(subMenu1Item3);
  menu.addMenuItem(menuItem2);
      subMenu2.addSubMenuItem(subMenu2Item1);
      subMenu2.addSubMenuItem(subMenu2Item2);
      subMenu2.addSubMenuItem(subMenu2Item3);
  menu.addMenuItem(menuItem3);
      subMenu3.addSubMenuItem(subMenu3Item1);
      subMenu3.addSubMenuItem(subMenu3Item2);
      subMenu3.addSubMenuItem(subMenu3Item3);

  menu.select(0);
  subMenu1.select(0);
}
//---------------------------------------------------------------------------
void loop(){
  if (Serial.available()){
    switch (Serial.read()){
      case 'w':
        if(menu.isCurrentSubMenu())
        {
          subMenu1.down(); //set index closer to 0
        }
        break;
      case 's':
        if (menu.isCurrentSubMenu()){
          subMenu1.up(); //set index closer to maximum
        }
        break;
      case 'd':
        seque--;
        if (seque > 3) seque = 3;
        menu.down();
        break;
      case 'u':
        seque++;
        if (seque < 0) seque = 0;
        menu.up();
        break;
      case ' ':
        menu.use();
        break;
      case '0':
        seque = 0;
        menu.select(0);
        break;
      case '1':
        seque = 1;
        menu.select(1);
         break;
      case '2':
        seque = 2;
        menu.select(2);
        break;
      case '3':
        subMenu1.up();
        break;
      case '4':

        subMenu1.down();
        break;
      case '5':
        subMenu2.up();
        break;
      case '6':
       subMenu2.down();
        break;
      case '7':
        subMenu3.up();
        break;
      case '8':
       subMenu3.down();
        break;
    }
  }
}
//---------------------------------------------------------------------------
void menuChanged(ItemChangeEvent event){
//  Serial.println("menuChanged");
        int xpto = menu.isCurrentSubMenu();
        Serial.println(xpto);

  if( event == &menuItem1 )
  {
    Serial.println("\tmenu 0"); //user feedback
  }
   if( event == &menuItem2 )
  {
    Serial.println("\tmenu 1 "); //user feedback
  }
    if( event == &menuItem3 )
  {
    Serial.println("\tmenu 2"); //user feedback
  }
  if (seque == 0)
  {
     if( event == &subMenu1Item1 )
    {
      Serial.println("\tsub Menu 0 "); //user feedback
    }
     if( event == &subMenu1Item2 )
    {
      Serial.println("\tsub Menu 1"); //user feedback
    }
     if( event == &subMenu1Item3 )
    {
      Serial.println("\tsub Menu 2 "); //user feedback
    }
  }
}
//---------------------------------------------------------------------------
void menuUsed(ItemUseEvent event)
{
  Serial.println("menuUsed");
  if( event == &menuItem1 )
  {
    Serial.println("\tmenuItem1 used"); //user feedback
  }else
  if( event == &subMenu1Item1 )
  {
    Serial.println("\tsubMenuItem1 used"); //user feedback
  }else
  if( event == &subMenu1Item2 )
  {
    Serial.println("\tsubMenuItem2 used"); //user feedback
  }else
  if( event == &subMenu1Item3 )
  {
    Serial.println("\tsubMenuItem3 used"); //user feedback
  }else
  if( event == &menuItem3 )
  {
    Serial.println("\tmenuItem3 used"); //user feedback
  }
}