diff --git a/.gitattributes b/.gitattributes
index af0a01c..40c8384 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -120,6 +120,7 @@ invesalius/gui/widgets/clut_raycasting.py -text
 invesalius/gui/widgets/foldpanelbar.py -text
 invesalius/gui/widgets/gradient.py -text
 invesalius/gui/widgets/listctrl.py -text
+invesalius/gui/widgets/slice_menu.py -text
 invesalius/invesalius.py -text
 invesalius/presets.py -text
 invesalius/project.py -text
diff --git a/invesalius/gui/widgets/slice_menu.py b/invesalius/gui/widgets/slice_menu.py
new file mode 100644
index 0000000..5b28324
--- /dev/null
+++ b/invesalius/gui/widgets/slice_menu.py
@@ -0,0 +1,49 @@
+#!/usr/bin/env python
+# -*- coding: UTF-8 -*-
+
+#--------------------------------------------------------------------------
+# Software:     InVesalius - Software de Reconstrucao 3D de Imagens Medicas
+# Copyright:    (C) 2001  Centro de Pesquisas Renato Archer
+# Homepage:     http://www.softwarepublico.gov.br
+# Contact:      invesalius@cti.gov.br
+# License:      GNU - GPL 2 (LICENSE.txt/LICENCA.txt)
+#--------------------------------------------------------------------------
+#    Este programa e software livre; voce pode redistribui-lo e/ou
+#    modifica-lo sob os termos da Licenca Publica Geral GNU, conforme
+#    publicada pela Free Software Foundation; de acordo com a versao 2
+#    da Licenca.
+#
+#    Este programa eh distribuido na expectativa de ser util, mas SEM
+#    QUALQUER GARANTIA; sem mesmo a garantia implicita de
+#    COMERCIALIZACAO ou de ADEQUACAO A QUALQUER PROPOSITO EM
+#    PARTICULAR. Consulte a Licenca Publica Geral GNU para obter mais
+#    detalhes.
+#--------------------------------------------------------------------------
+
+import wx
+import wx.lib.pubsub as ps
+import constants as const
+
+class SliceMenu(wx.Menu):
+    def __init__(self):
+        wx.Menu.__init__(self)
+        self.ID_TO_TOOL_ITEM = {}
+        submenu_wl = wx.Menu()
+        for name in sorted(const.WINDOW_LEVEL):
+            new_id = wx.NewId()
+            wl_item = wx.MenuItem(submenu_wl, new_id,\
+                                name, kind=wx.ITEM_RADIO)
+            submenu_wl.AppendItem(wl_item)
+            self.ID_TO_TOOL_ITEM[new_id] = name
+        self.AppendMenu(-1, "Window Width & Level", submenu_wl)
+        self.Bind(wx.EVT_MENU, self.OnPopupWindowLevel)
+
+
+    def OnPopupWindowLevel(self, evt):
+        key = self.ID_TO_TOOL_ITEM[evt.GetId()]
+        window, level = const.WINDOW_LEVEL[key]
+        ps.Publisher().sendMessage('Bright and contrast adjustment image',
+                (window, level))
+        ps.Publisher().sendMessage('Update slice viewer')
+        evt.Skip()
+
--
libgit2 0.21.2