now again does not work anymore WHY??? + trace filename; refs #130

src/qbrowserlib/filestorage.hxx

@@ -31,6 +31,8 @@ class Storage: public QObject {
     operator bool() {
       return valid();
     }
+    /*! @return name of the storage, e.g. filename */
+    virtual QString name() = 0;
     /*! @return true if storage object already exists */
     virtual bool readable() = 0;
     /*! @return true if storage object exists or could be created */
@@ -53,6 +55,9 @@ class FileStorage: public Storage {
       assert(connect(&_watcher, SIGNAL(fileChanged(const QString&)),
                      SIGNAL(changed())));
     }
+    QString name() {
+      return _file.fileName();
+    }
     bool readable() {
       return QFileInfo(_file).exists();
     }