Implement Tic Tac Toe GUI using Tkinter

Author: JavedKhan93

tic_tac_toe_gui.py

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+import tkinter as tk
+from tkinter import messagebox
+
+class TicTacToe:
+    def __init__(self):
+        # Create the main window
+        self.window = tk.Tk()
+        self.window.title("Tic Tac Toe - Python GUI")
+        
+        # X always starts
+        self.turn = "X"
+        self.buttons = []
+        self.game_over = False
+
+        # Create a 3x3 Grid of Buttons
+        for i in range(3):
+            row = []
+            for j in range(3):
+                # Create a single button
+                btn = tk.Button(self.window, text="", font=("Arial", 20), width=5, height=2,
+                                command=lambda x=i, y=j: self.on_click(x, y))
+                # Place it on the grid
+                btn.grid(row=i, column=j)
+                row.append(btn)
+            self.buttons.append(row)
+
+        # Start the application loop
+        self.window.mainloop()
+
+    def on_click(self, row, col):
+        # If the button is already clicked or game is over, do nothing
+        if self.game_over or self.buttons[row][col]["text"] != "":
+            return
+
+        # Set the button text to X or O
+        self.buttons[row][col]["text"] = self.turn
+        
+        # Check if someone won
+        if self.check_winner():
+            messagebox.showinfo("Game Over", f"Player {self.turn} wins!")
+            self.game_over = True
+        elif self.check_draw():
+            messagebox.showinfo("Game Over", "It's a Draw!")
+            self.game_over = True
+        else:
+            # Switch turns
+            self.turn = "O" if self.turn == "X" else "X"
+
+    def check_winner(self):
+        # Check all rows, columns, and diagonals for a match
+        for i in range(3):
+            if self.buttons[i][0]["text"] == self.buttons[i][1]["text"] == self.buttons[i][2]["text"] != "":
+                return True
+            if self.buttons[0][i]["text"] == self.buttons[1][i]["text"] == self.buttons[2][i]["text"] != "":
+                return True
+        
+        # Diagonals
+        if self.buttons[0][0]["text"] == self.buttons[1][1]["text"] == self.buttons[2][2]["text"] != "":
+            return True
+        if self.buttons[0][2]["text"] == self.buttons[1][1]["text"] == self.buttons[2][0]["text"] != "":
+            return True
+            
+        return False
+
+    def check_draw(self):
+        for row in self.buttons:
+            for btn in row:
+                if btn["text"] == "":
+                    return False
+        return True
+
+if __name__ == "__main__":
+    game = TicTacToe()