void onAddFromFolder(const QString &path);
void onAddFromFolderDone(int added);
void onSearch();
void showSearchResults();
void onSortByAuthor();
void onSortByTitle();
void onAddFromFolder(const QString &path);
void onAddFromFolderDone(int added);
void onSearch();
void showSearchResults();
void onSortByAuthor();
void onSortByTitle();