Tic Tac Toe Game using Gui

 

import tkinter as tk

from tkinter import messagebox

def check_winner():

    """Checks if there is a winner or if the game is a draw."""

    for row in board:

        if row[0]["text"] == row[1]["text"] == row[2]["text"] != "":

            return row[0]["text"]

    for col in range(3):

        if board[0][col]["text"] == board[1][col]["text"] == board[2][col]["text"] != "":

            return board[0][col]["text"]

    if board[0][0]["text"] == board[1][1]["text"] == board[2][2]["text"] != "":

        return board[0][0]["text"]

    if board[0][2]["text"] == board[1][1]["text"] == board[2][0]["text"] != "":

        return board[0][2]["text"]

    if all(board[row][col]["text"] != "" for row in range(3) for col in range(3)):

        return "Draw"

    return None

def on_click(row, col):

    """Handles button click events."""

    global current_player

    if board[row][col]["text"] == "":

        board[row][col]["text"] = current_player

        winner = check_winner()

        if winner:

            if winner == "Draw":

                messagebox.showinfo("Game Over", "It's a draw!")

            else:

                messagebox.showinfo("Game Over", f"Player {winner} wins!")

            reset_board()

        else:

            current_player = "O" if current_player == "X" else "X"

def reset_board():

    """Resets the game board for a new game."""

    global current_player

    current_player = "X"

    for row in range(3):

        for col in range(3):

            board[row][col]["text"] = ""

# Create the main window

root = tk.Tk()

root.title("Tic-Tac-Toe")

# Initialize variables

current_player = "X"

board = [[None for _ in range(3)] for _ in range(3)]

# Create the game board (3x3 buttons)

for row in range(3):

    for col in range(3):

        button = tk.Button(

            root, text="", font=("Helvetica", 20), height=2, width=5,

            command=lambda r=row, c=col: on_click(r, c)

        )

        button.grid(row=row, column=col)

        board[row][col] = button

# Run the application

root.mainloop()