TicTacToeGrid.py

from kivy.uix.gridlayout import GridLayout
from kivy.properties import (ListProperty, NumericProperty)
from kivy.uix.modalview import ModalView
from kivy.uix.label import Label

from GridEntry import GridEntry


class TicTacToeGrid(GridLayout):
    status = ListProperty([0, 0, 0, 0, 0, 0, 0, 0, 0])
    current_player = NumericProperty(1)

    def __init__(self, *args, **kwargs):
        super(TicTacToeGrid, self).__init__(*args, **kwargs)

        for row in range(3):
            for column in range(3):
                grid_entry = GridEntry(coords=(row, column))
                grid_entry.bind(on_release=self.button_pressed)
                self.add_widget(grid_entry)

    def button_pressed(self, button):
        plaley = {1:'O',-1:'X'}
        colours = {1: (1, 0, 0, 1), -1: (0, 1, 0, 1)} # (rgba)
        row, column = button.coords

        status_index = 3*row + column
        alredy_played = self.status[status_index]
        if not alredy_played:
            self.status[status_index] = self.current_player
            button.text = plaley[self.current_player]
            button.background_color = colours[self.current_player]
            self.current_player *= -1  # Switch current player

    def on_status(self, instance, new_value):
        status = new_value

        sums = [sum(status[0:3]),  # rows
                sum(status[3:6]), sum(status[6:9]), sum(status[0::3]),  # columns
                sum(status[1::3]), sum(status[2::3]), sum(status[::4]),  # diagonals
                sum(status[2:-2:2])]

        winner = None
        if -3 in sums:
            winner = 'Крестик победил!'
        elif 3 in sums:
            winner = 'Нолик победил!'
        elif 0 not in self.status:
            winner = 'Ничья'

        if winner:
            popup = ModalView(size_hint=(0.75, 0.5))
            victory_label = Label(text=winner, font_size=50)
            popup.add_widget(victory_label)
            popup.bind(on_dismiss=self.reset)
            popup.open()


    def reset(self, *args):
        self.status = [0 for _ in range(9)]

        # self.children is a list containing all child widgets
        for child in self.children:
            child.text = ''
            child.background_color = (1, 1, 1, 1)
        self.current_player = 1