diff --git a/invesalius/data/viewer_slice.py b/invesalius/data/viewer_slice.py
index fb26593..754a42a 100755
--- a/invesalius/data/viewer_slice.py
+++ b/invesalius/data/viewer_slice.py
@@ -71,6 +71,8 @@ class Viewer(wx.Panel):
         self._brush_cursor_type = const.DEFAULT_BRUSH_OP
         self.cursor = None
         self.wl_text = None
+        self.on_wl = False
+        self.on_text = False
         # VTK pipeline and actors
         #self.__config_interactor()
         self.pick = vtk.vtkPropPicker()
@@ -118,24 +120,30 @@ class Viewer(wx.Panel):
 
     def SetLayout(self, layout):
         self.layout = layout
-        if layout == (1,1):
+        if (layout == (1,1)) and self.on_text:
             self.ShowTextActors()
         else:
-            self.HideTextActors()
+            self.HideTextActors(change_status=False)
 
         slice_ = sl.Slice()
         self.LoadRenderers(slice_.GetOutput())
         self.__configure_renderers()
         self.__configure_scroll()
 
-    def HideTextActors(self):
+    def HideTextActors(self, change_status=True):
         self.wl_text.Hide()
         [t.Hide() for t in self.orientation_texts]
+        self.interactor.Render()
+        if change_status:
+            self.on_text = False
 
     def ShowTextActors(self):
-        self.wl_text.Show()
+        if self.on_wl:
+            self.wl_text.Show()
         [t.Show() for t in self.orientation_texts]
-
+        self.Update()
+        self.interactor.Render()
+        self.on_text = True
 
 
     def __set_layout(self, pubsub_evt):
@@ -204,6 +212,13 @@ class Viewer(wx.Panel):
         else:
             self.__set_cross_visibility(0)
 
+        if state == const.STATE_WL:
+            self.on_wl = True
+            self.wl_text.Show()
+        else:
+            self.on_wl = False
+            self.wl_text.Hide()
+
         self.__set_editor_cursor_visibility(0)
 
         
@@ -807,6 +822,21 @@ class Viewer(wx.Panel):
                                 'Set slice interaction style')
         ps.Publisher().subscribe(self.OnCloseProject, 'Close project data')
 
+        #####
+        ps.Publisher().subscribe(self.OnShowText,
+                                 'Show text actors on viewers')
+        ps.Publisher().subscribe(self.OnHideText,
+                                 'Hide text actors on viewers')
+
+    def OnShowText(self, pubsub_evt):
+        print "OnShowText"
+        self.ShowTextActors()
+
+    def OnHideText(self, pubsub_evt):
+        print "OnHideText"
+        self.HideTextActors()
+
+
     def OnCloseProject(self, pubsub_evt):
         self.CloseProject()
 
diff --git a/invesalius/data/viewer_volume.py b/invesalius/data/viewer_volume.py
index e91acb8..da05d63 100755
--- a/invesalius/data/viewer_volume.py
+++ b/invesalius/data/viewer_volume.py
@@ -69,6 +69,8 @@ class Viewer(wx.Panel):
         self.onclick = False
 
         self.text = vtku.Text()
+        self.text.SetValue("")
+        self.ren.AddActor(self.text.actor)
 
         self.view_angle = None
 
@@ -76,6 +78,7 @@ class Viewer(wx.Panel):
         self.__bind_events_wx()
 
         self.mouse_pressed = 0
+        self.on_wl = False
 
     def __bind_events(self):
         ps.Publisher().subscribe(self.LoadActor,
@@ -153,6 +156,15 @@ class Viewer(wx.Panel):
                     }
               }
 
+        if state == const.STATE_WL:
+            self.on_wl = True
+            self.text.Show()
+            self.interactor.Render()
+        else:
+            self.on_wl = False
+            self.text.Hide()
+            self.interactor.Render()
+
         if (state == const.STATE_ZOOM_SL):
             style = vtk.vtkInteractorStyleRubberBandZoom()
             self.interactor.SetInteractorStyle(style)
@@ -322,7 +334,8 @@ class Viewer(wx.Panel):
 
     def OnShowRaycasting(self, pubsub_evt):
         self.raycasting_volume = True
-        self.text.Show()
+        if self.on_wl:
+            self.text.Show()
 
     def OnHideRaycasting(self, pubsub_evt):
         self.raycasting_volume = False
@@ -370,7 +383,7 @@ class Viewer(wx.Panel):
 
         self.ren.AddVolume(volume)
         self.text.SetValue("WL: %d  WW: %d"%(wl, ww))
-        self.ren.AddActor(self.text.actor)
+        
         self.ren.SetBackground(colour)
 
         if not (self.view_angle):
diff --git a/invesalius/gui/frame.py b/invesalius/gui/frame.py
index 31db5fa..e9e89b8 100755
--- a/invesalius/gui/frame.py
+++ b/invesalius/gui/frame.py
@@ -825,9 +825,9 @@ class LayoutToolBar(wx.ToolBar):
 
     def OnText(self, event):
         if event.IsChecked():
-            print "TODO: Send message so all textactors are shown"
+            ps.Publisher().sendMessage('Show text actors on viewers')
         else:
-            print "TODO: Send message so all textactors are hiden"
+            ps.Publisher().sendMessage('Hide text actors on viewers')
 
     def SetLayoutButtonOnlyData(self, pubsub_evt):
         self.SetToolNormalBitmap(ID_LAYOUT,self.BMP_WITH_MENU)
--
libgit2 0.21.2