1 files changed, 11 insertions, 6 deletions
diff --git a/silx/gui/plot/items/marker.py b/silx/gui/plot/items/marker.py
index 09767a5..80ca0b6 100644
--- a/silx/gui/plot/items/marker.py
+++ b/silx/gui/plot/items/marker.py
@@ -1,7 +1,7 @@
 # coding: utf-8
 # /*##########################################################################
 #
-# Copyright (c) 2017-2018 European Synchrotron Radiation Facility
+# Copyright (c) 2017-2019 European Synchrotron Radiation Facility
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -32,6 +32,7 @@ __date__ = "06/03/2017"
 
 import logging
 
+from ....utils.proxy import docstring
 from .core import (Item, DraggableMixIn, ColorMixIn, LineMixIn, SymbolMixIn,
                    ItemChangedType)
 
@@ -39,7 +40,7 @@ from .core import (Item, DraggableMixIn, ColorMixIn, LineMixIn, SymbolMixIn,
 _logger = logging.getLogger(__name__)
 
 
-class _BaseMarker(Item, DraggableMixIn, ColorMixIn):
+class MarkerBase(Item, DraggableMixIn, ColorMixIn):
     """Base class for markers"""
 
     _DEFAULT_COLOR = (0., 0., 0., 1.)
@@ -75,6 +76,10 @@ class _BaseMarker(Item, DraggableMixIn, ColorMixIn):
         """Update backend renderer"""
         raise NotImplementedError()
 
+    @docstring(DraggableMixIn)
+    def drag(self, from_, to):
+        self.setPosition(to[0], to[1])
+
     def isOverlay(self):
         """Return true if marker is drawn as an overlay.
 
@@ -166,14 +171,14 @@ class _BaseMarker(Item, DraggableMixIn, ColorMixIn):
         return args
 
 
-class Marker(_BaseMarker, SymbolMixIn):
+class Marker(MarkerBase, SymbolMixIn):
     """Description of a marker"""
 
     _DEFAULT_SYMBOL = '+'
     """Default symbol of the marker"""
 
     def __init__(self):
-        _BaseMarker.__init__(self)
+        MarkerBase.__init__(self)
         SymbolMixIn.__init__(self)
 
         self._x = 0.
@@ -204,11 +209,11 @@ class Marker(_BaseMarker, SymbolMixIn):
         return x, self.getYPosition()
 
 
-class _LineMarker(_BaseMarker, LineMixIn):
+class _LineMarker(MarkerBase, LineMixIn):
     """Base class for line markers"""
 
     def __init__(self):
-        _BaseMarker.__init__(self)
+        MarkerBase.__init__(self)
         LineMixIn.__init__(self)
 
     def _addBackendRenderer(self, backend):