"""
Menüsystem für Konfiguration(en)

"""

class MenuItem():

    def __init__(self, itmname):
        self.name = itmname
        self.label = None
        self.value = None
        self.steps = (1,)

    def setValue(self, val):
        self.value = val

class Menu():

    def __init__(self):
        title = None
        x = 0
        y = 0
        w = 100
        h = 20
        items = []
        itm_active = -1 # nothing activated
        self._index = -1

    def addItem(self, label):
        itm = MenuItem(label)
        items.append(itm)

class MenuIter():

    def __init__(self, menu):
        self._items = menu.items
        self._class_size = len(self._items)
        self._index = 0

    def __iter__(self):
        return self

    def __next__(self):
        if self._index < self._class_size:
            itm = items[self._index]
            self._index += 1
            return itm
        raise StopIteration