implemented checkmate

src/view/gui.py

@@ -1,4 +1,5 @@
 import tkinter as tk
+from tkinter import messagebox
 from typing import Type
 from PIL import ImageTk, Image
 import os
@@ -60,6 +61,12 @@ class GUI(View):
 
         self._controller.on_tile_selected(x, y)
 
+    def notify_checkmate(self, colour: Colour) -> None:
+        messagebox.showinfo("Checkmate",  f"{colour} is currently checkmated") 
+        
+    def notify_stalemate(self, colour: Colour) -> None:
+        messagebox.showinfo("Stalemate",  f"{colour} is currently stalemated") 
+        
 
     def update_board(self, board: Board, selected_piece: Piece, legal_moves: list[Move]) -> None:
         self.canvas.delete("all")

src/view/view.py

@@ -1,6 +1,6 @@
 from logic.board import Board
 from logic.move import Move
-from logic.pieces.piece import Piece
+from logic.pieces.piece import Colour, Piece
 
 
 class View:
@@ -13,6 +13,12 @@ class View:
     def update_board(self, board: Board, selected_piece: Piece, legal_moves: list[Move]) -> None:
         raise NotImplementedError(f"Can't update the board, the update_board() method of {type(self)} is not implemented")
 
+    def notify_checkmate(self, colour: Colour) -> None:
+        raise NotImplementedError(f"Can't notify of the checkmate, the notify_checkmate() method of {type(self)} is not implemented")
+
+    def notify_stalemate(self, colour: Colour) -> None:
+        raise NotImplementedError(f"Can't notify of the stalemate, the notify_stalemate() method of {type(self)} is not implemented")
+
     def set_controller(self, controller: "Controller") -> None:
         self._controller = controller