diff --git a/labeltool.py b/labeltool.py
index 20814ae..be07e51 100755
--- a/labeltool.py
+++ b/labeltool.py
@@ -256,6 +256,9 @@ class MainWindow(QMainWindow):
         #self.setWindowModified(self.annotations.dirty())
         pass
 
+    def currentIndex(self):
+        return self.current_index_
+
     def setCurrentIndex(self, index):
         assert index.isValid()
         newindex = index.model().imageIndex(index)