Add controller ui

ui/mainmenu/MainMenu.gd

@@ -8,11 +8,27 @@ class_name MainMenu extends Control
 func _ready() -> void:
   btnNewGame.pressed.connect(onNewGamePressed)
   btnSettings.pressed.connect(onSettingsPressed)
+  settingsMenu.opened.connect(_onSettingsOpened)
+  settingsMenu.closed.connect(_onSettingsClosed)
+  btnNewGame.grab_focus()
+
+func _onSettingsOpened() -> void:
+  # Move focus into the settings panel so the controller can navigate it.
+  # The SettingsMenu grabs its own internal focus via _notification.
+  pass
+
+func _onSettingsClosed() -> void:
+  btnSettings.grab_focus()
+
+func _unhandled_input(event:InputEvent) -> void:
+  if event.is_action_pressed("ui_cancel"):
+    if settingsMenu.isOpen:
+      settingsMenu.close()
+      get_viewport().set_input_as_handled()
 
 func onNewGamePressed() -> void:
   SCENE.setScene(SceneSingleton.SceneType.OVERWORLD)
   OVERWORLD.mapChange(newGameScene, "PlayerSpawnPoint")
 
 func onSettingsPressed() -> void:
-  print("Settings button pressed")
   settingsMenu.isOpen = true