replaced the textLabel with a popup

game/gameloop.go

@@ -6,6 +6,7 @@ import (
 
 	"fyne.io/fyne/v2"
 	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/dialog"
 	"fyne.io/fyne/v2/layout"
 	"fyne.io/fyne/v2/widget"
 )
@@ -24,14 +25,14 @@ const (
 var gridContainer *fyne.Container
 
 // creates the button grid for the tictactoe game
-func MakeButtonGrid(rows, cols int) *fyne.Container {
+func MakeButtonGrid(rows, cols int, Window fyne.Window) *fyne.Container {
 	// generates layout and grid container
 	gridLayout := layout.NewGridLayout(cols)
 	gridContainer = container.New(gridLayout)
 	// create the 3x3 Button grid
 	for row := 0; row < rows; row++ {
 		for col := 0; col < cols; col++ {
-			button := CreateButton(row, col)
+			button := CreateButton(row, col, Window)
 			gridContainer.Add(button)
 		}
 	}
@@ -40,13 +41,13 @@ func MakeButtonGrid(rows, cols int) *fyne.Container {
 }
 
 // create the button grid and adds key press handler for each grid-button
-func CreateButton(row, col int) *widget.Button {
+func CreateButton(row, col int, Window fyne.Window) *widget.Button {
 	button := widget.NewButton(" ", nil)
 
 	button.OnTapped = func() {
 		if button.Text == " " {
 			button.SetText(PLAYER_X)
-			Gameloop(row, col)
+			Gameloop(row, col, Window)
 		}
 	}
 	return button
@@ -65,7 +66,6 @@ func ResetButtonTexts(container *fyne.Container) {
 		{" ", " ", " "},
 	}
 	EnableAllButtons(gridContainer)
-	TextLabel.SetText("TicTacToe")
 }
 
 // apply AI opponent text to the button
@@ -75,16 +75,17 @@ func ChangeButtonText(row, col int) {
 
 // gameloop function for the game process:
 // human makes a move, AI counters
-func Gameloop(row, col int) {
+func Gameloop(row, col int, Window fyne.Window) {
+	const gameOverText string = "Game Over"
 	// starting with the human making a move
 	board[row][col] = PLAYER_X
 	// checking if the game has been won by the human player
 	if gameControl.PlayerHasWon(board, PLAYER_X) {
-		TextLabel.SetText("X Wins")
+		dialog.ShowInformation(gameOverText, "X has won!", Window)
 	}
 	// checking if the game is a draw
 	if gameControl.BoardisFull(board) {
-		TextLabel.SetText("Draw")
+		dialog.ShowInformation(gameOverText, "It's a draw!", Window)
 	}
 	// AI opponent makes a move
 	bestMove := opponent.Minimax(board, 0, true, PLAYER_O)
@@ -94,12 +95,12 @@ func Gameloop(row, col int) {
 
 	// check if AI opponent has won the game
 	if gameControl.PlayerHasWon(board, PLAYER_O) {
-		TextLabel.SetText("O Wins")
+		dialog.ShowInformation(gameOverText, "O has won!", Window)
 		DisableAllButtons(gridContainer)
 	}
 	// checking if the game is a draw
 	if gameControl.BoardisFull(board) {
-		TextLabel.SetText("Draw")
+		dialog.ShowInformation(gameOverText, "It's a draw!", Window)
 		DisableAllButtons(gridContainer)
 	}
 }

game/window.go

@@ -10,8 +10,6 @@ import (
 	"fyne.io/fyne/v2/widget"
 )
 
-var TextLabel *widget.Label
-
 // creates a window for the TicTacToe game application.
 func CreateWindow() fyne.Window {
 	// Create the app.
@@ -22,17 +20,15 @@ func CreateWindow() fyne.Window {
 	// Create a new window for the game application.
 	Window := App.NewWindow("TicTacToe")
 
-	// Set the text of our TextLabel to TicTacToe
-	TextLabel = widget.NewLabel("TicTacToe")
 	// create the 3x3 Button grid
-	matchField := MakeButtonGrid(3, 3)
+	matchField := MakeButtonGrid(3, 3, Window)
 	// Create a new button and a handler function, if it gets pressed.
 	restartButton := widget.NewButton("Restart", func() {
 		ResetButtonTexts(matchField)
 	})
 
 	// vertical box layout containg the top Items, here the textlabel and the button.
-	topItems := container.NewVBox(TextLabel, restartButton)
+	topItems := container.NewVBox(restartButton)
 
 	// Generate content for the window using a border layout with the topItems and matchField as the children
 	content := container.New(layout.NewBorderLayout(topItems, nil, nil, nil), topItems, matchField)