message: Overlay setting member name
diff: @@ -468,7 +468,7 @@ void VulkanExampleBase::renderLoop()
  fpsTimer += (float)tDiff;
  if (fpsTimer > 1000.0f)
  {
  - if (!enableTextOverlay)
  + if (!settings.overlay)
  {
  std::string windowTitle = getWindowTitle();
  wl_shell_surface_set_title(shell_surface, windowTitle.c_str());
  @@ -517,7 +517,7 @@ void VulkanExampleBase::renderLoop()
  fpsTimer += (float)tDiff;
  if (fpsTimer > 1000.0f)
  {
  - if (!enableTextOverlay)
  + if (!settings.overlay)
  {
  std::string windowTitle = getWindowTitle();
  xcb_change_property(connection, XCB_PROP_MODE_REPLACE,
  @@ -1538,7 +1538,7 @@ void VulkanExampleBase::keyboardKey(struct wl_keyboard *keyboard,
  paused = !paused;
  break;
  case KEY_F1:
  - if (state && enableTextOverlay)
  + if (state && settings.overlay)
  textOverlay->visible = !textOverlay->visible;
  break;
  case KEY_ESC:
  @@ -1852,7 +1852,7 @@ void VulkanExampleBase::handleEvent(const xcb_generic_event_t *event)
  paused = !paused;
  break;
  case KEY_F1:
  - if (enableTextOverlay)
  + if (settings.overlay)
  {
  textOverlay->visible = !textOverlay->visible;
  }
  