Tic Tac Toe Game using PyQt5 in Python
Last Updated :
06 Apr, 2023
In this article , we will see how we can create a Tic Tac Toe game using PyQt5. Tic-tac-toe, noughts, and crosses, or Xs and Os is a paper-and-pencil game for two players, X and O, who take turns marking the spaces in a 3×3 grid. The player who succeeds in placing three of their marks in a horizontal, vertical, or diagonal row is the winner.
Below is how the Tic Tac Toe game will look like :
GUI implementation steps :
1. Create a list of push buttons
2. Arrange them in 3x3 order and add font to them
3. Create a label below the push buttons that tells the result
4. Set alignment and font to the label
5. Add another push button for reset the game at the bottom
Back end implementation steps :
1. Create two variable to know whose chance is and to know how many chances are completed
2. Add same action to the list of buttons such that each buttons should call the same action
3. Inside the action method get the button by whom method is called using sender method
4. Set the text to the button according to the chance and make it disabled so that it can't be pressed again and call the who_wins method
5. Set text according to the answer returned by the who_wins method
6. Inside the who_wins method check if rows, columns and diagonals are crossed or not.
7. If someone won the match set the text to the label and make all the buttons disabled
8. Add action to the reset button
9. Inside the reset button action make the variable value set to the starting value and make all the push button enabled and make the label and button text to blank.
Below is the implementation :
Python3
# importing required libraries
from PyQt5.QtWidgets import *
from PyQt5 import QtCore, QtGui
from PyQt5.QtGui import *
from PyQt5.QtCore import *
import sys
# create a Window class
class Window(QMainWindow):
# constructor
def __init__(self):
super().__init__()
# setting title
self.setWindowTitle("Python ")
# setting geometry
self.setGeometry(100, 100,
300, 500)
# calling method
self.UiComponents()
# showing all the widgets
self.show()
# method for components
def UiComponents(self):
# turn
self.turn = 0
# times
self.times = 0
# creating a push button list
self.push_list = []
# creating 2d list
for _ in range(3):
temp = []
for _ in range(3):
temp.append((QPushButton(self)))
# adding 3 push button in single row
self.push_list.append(temp)
# x and y co-ordinate
x = 90
y = 90
# traversing through push button list
for i in range(3):
for j in range(3):
# setting geometry to the button
self.push_list[i][j].setGeometry(x*i + 20,
y*j + 20,
80, 80)
# setting font to the button
self.push_list[i][j].setFont(QFont(QFont('Times', 17)))
# adding action
self.push_list[i][j].clicked.connect(self.action_called)
# creating label to tell the score
self.label = QLabel(self)
# setting geometry to the label
self.label.setGeometry(20, 300, 260, 60)
# setting style sheet to the label
self.label.setStyleSheet("QLabel"
"{"
"border : 3px solid black;"
"background : white;"
"}")
# setting label alignment
self.label.setAlignment(Qt.AlignCenter)
# setting font to the label
self.label.setFont(QFont('Times', 15))
# creating push button to restart the score
reset_game = QPushButton("Reset-Game", self)
# setting geometry
reset_game.setGeometry(50, 380, 200, 50)
# adding action action to the reset push button
reset_game.clicked.connect(self.reset_game_action)
# method called by reset button
def reset_game_action(self):
# resetting values
self.turn = 0
self.times = 0
# making label text empty:
self.label.setText("")
# traversing push list
for buttons in self.push_list:
for button in buttons:
# making all the button enabled
button.setEnabled(True)
# removing text of all the buttons
button.setText("")
# action called by the push buttons
def action_called(self):
self.times += 1
# getting button which called the action
button = self.sender()
# making button disabled
button.setEnabled(False)
# checking the turn
if self.turn == 0:
button.setText("X")
self.turn = 1
else:
button.setText("O")
self.turn = 0
# call the winner checker method
win = self.who_wins()
# text
text = ""
# if winner is decided
if win == True:
# if current chance is 0
if self.turn == 0:
# O has won
text = "O Won"
# X has won
else:
text = "X Won"
# disabling all the buttons
for buttons in self.push_list:
for push in buttons:
push.setEnabled(False)
# if winner is not decided
# and total times is 9
elif self.times == 9:
text = "Match is Draw"
# setting text to the label
self.label.setText(text)
# method to check who wins
def who_wins(self):
# checking if any row crossed
for i in range(3):
if self.push_list[0][i].text() == self.push_list[1][i].text() \
and self.push_list[0][i].text() == self.push_list[2][i].text() \
and self.push_list[0][i].text() != "":
return True
# checking if any column crossed
for i in range(3):
if self.push_list[i][0].text() == self.push_list[i][1].text() \
and self.push_list[i][0].text() == self.push_list[i][2].text() \
and self.push_list[i][0].text() != "":
return True
# checking if diagonal crossed
if self.push_list[0][0].text() == self.push_list[1][1].text() \
and self.push_list[0][0].text() == self.push_list[2][2].text() \
and self.push_list[0][0].text() != "":
return True
# if other diagonal is crossed
if self.push_list[0][2].text() == self.push_list[1][1].text() \
and self.push_list[1][1].text() == self.push_list[2][0].text() \
and self.push_list[0][2].text() != "":
return True
#if nothing is crossed
return False
# create pyqt5 app
App = QApplication(sys.argv)
# create the instance of our Window
window = Window()
# start the app
sys.exit(App.exec())
Output :
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