connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::errorMessage, this, &DolphinMainWindow::showErrorMessage);
KIO::FileUndoManager *undoManager = KIO::FileUndoManager::self();
connect(&DolphinNewFileMenuObserver::instance(), &DolphinNewFileMenuObserver::errorMessage, this, &DolphinMainWindow::showErrorMessage);
KIO::FileUndoManager *undoManager = KIO::FileUndoManager::self();