Method updateUsingEditor

src/app/ui/preview_editor.cpp:329–398

}

void PreviewEditorWindow::updateUsingEditor(Editor* editor)
{
  if (!m_isEnabled || !editor) {
    hideWindow();
    m_relatedEditor = nullptr;
    return;
  }

  if (!editor->isActive())
    return;

  m_relatedEditor = editor;

  Document* document = editor->document();
  Editor* miniEditor = (m_docView ? m_docView->editor(): nullptr);

  if (!isVisible())
    openWindow();

  // Document preferences used to store the preferred zoom/scroll point
  auto& docPref = Preferences::instance().document(document);
  bool autoScroll = docPref.preview.autoScroll();

  // Set the same location as in the given editor.
  if (!miniEditor || miniEditor->document() != document) {
    destroyDocView();

    m_docView = new DocumentView(document, DocumentView::Preview, this);
    addChild(m_docView);

    miniEditor = m_docView->editor();
    miniEditor->setZoom(render::Zoom::fromScale(docPref.preview.zoom()));
    miniEditor->setLayer(editor->layer());
    miniEditor->setFrame(editor->frame());
    miniEditor->setState(EditorStatePtr(new NavigateState));
    miniEditor->setAnimationSpeedMultiplier(m_aniSpeed);
    miniEditor->addObserver(this);
    layout();

    if (!autoScroll)
      miniEditor->setEditorScroll(docPref.preview.scroll());
  }

  m_centerButton->setSelected(autoScroll);
  if (autoScroll) {
    gfx::Point centerPoint = editor->getVisibleSpriteBounds().center();
    miniEditor->centerInSpritePoint(centerPoint);

    saveScrollPref();
  }

  if (!m_playButton->isPlaying()) {
    miniEditor->stop();
    miniEditor->setLayer(editor->layer());
    miniEditor->setFrame(editor->frame());
  }
  else {
    if (miniEditor->isPlaying()) {