Always show full toolbar on ScatterPlots.

system/plots.py

@@ -150,6 +150,7 @@ class ViewFrame (gtk.Frame):
         treestore, path = selection.tree_get_row_drag_data()
         iter = treestore.get_iter(path)
         obj  = treestore.get_value(iter,2)
+
         if isinstance(obj, Plot):
             self.set_view(obj)
             self.focus()
@@ -569,6 +570,7 @@ has no color and size options."""
         # create toolbar
         self._toolbar = PlotToolbar(self.canvas, None)
         self._toolbar.chk.connect ('toggled' ,self.set_selection_sensitive)
+        self._toolbar.set_property('show-arrow', False)
         self._toolbar.set_select_callback(self.rectangle_select_callback)
 
     def get_toolbar(self):