Class Menu

bool isMenuDisplayed;

class Menu
{
    public:
        static int displayedOption;
        int timeEllapsed;
        static char *menuOptions[MAX_MENU_OPTIONS];

        Menu();

        void SetOption(int id, char* name);
        void SetSubMenu(Alarm * monInstance, void (Alarm::*monSubMenu[])(void));

        static void Show();
        static void Hide();

        void MoveOption(int move);
        void ValidOption();

    private:
        void (Alarm::*subMenuFunctions[MAX_MENU_OPTIONS])(void);
        Alarm* subMenuInstance;
};
Menu::Menu()
{
    for(int i; i < MAX_MENU_OPTIONS; i++)
        menuOptions[i] = "No option";
}

void Menu::SetOption(int id, char* name)
{
    menuOptions[id] = name;
}

void Menu::SetSubMenu(Alarm * monInstance, void (Alarm::*monSubMenu[])(void))
{
    subMenuInstance = monInstance;
    *subMenuFunctions = *monSubMenu;
}

void Menu::Show()
{
    isMenuDisplayed = true;
    screen.ClearLine(1);
    screen.ClearLine(2);
    screen.ClearLine(3);
    screen.SendString("** MENU **", 1);
    screen.SendString(menuOptions[displayedOption], 2);
    screen.SendString("<-     ->", 3);
}

void Menu::Hide()
{
    isMenuDisplayed = false;
    displayedOption = 1;
    //ResetScreen est appelé lors de l'appui sur la touche EXIT
}

void Menu::MoveOption(int move)
{
    if(displayedOption == MAX_MENU_OPTIONS && move >= 1)
        displayedOption = 1;
    else if(displayedOption == 1 && move <= 1)
        displayedOption = MAX_MENU_OPTIONS;
    else
        displayedOption += move;

    screen.ClearLine(2);
    screen.SendString(menuOptions[displayedOption], 2);
}

void Menu::ValidOption()
{
    ((*subMenuInstance).*subMenuFunctions[displayedOption])();
}