Add dialog confirm when scene game is launched

scenes/levels/WarCraft.gd

@@ -3,12 +3,20 @@ extends Spatial
 func _process(_delta):
 	# Event key "escape" and "godot event" ui_end
 	if Input.is_action_just_pressed("ui_end"):
-		_quit_to_menu()
+		_confirm_before_quit()
 
 func _notification(what):
 	# Notification for android back action
 	if what == MainLoop.NOTIFICATION_WM_GO_BACK_REQUEST:
-		_quit_to_menu()
+		_confirm_before_quit()
+
+func _confirm_before_quit():
+	var confirm = ConfirmationDialog.new()
+	confirm.set_title("Quit ?")
+	confirm.set_text("Voulez vous vraiment quitté ?")
+	add_child(confirm)
+	confirm.connect("confirmed", self, "_quit_to_menu")
+	confirm.popup()
 
 # Back to main scene
 func _quit_to_menu():