fix colormap error on drag icon

1 files changed, 3 insertions, 1 deletions

diff --git a/tutorius/actions.py b/tutorius/actions.py
index f6f3338..ed348d9 100644
--- a/tutorius/actions.py
+++ b/tutorius/actions.py
@@ -72,7 +72,9 @@ class DragWrapper(object):
         depth = 24 # Should be set dynamically 
 
         if hasattr(self._widget, 'draw_with_context'):
-            px = gtk.gdk.Pixmap(None, width, height, depth) # source, size, colors
+            # Use widget window to create drawable so we are sure to have
+            # the same colormap when it is drawn.
+            px = gtk.gdk.Pixmap(self._widget.window, width, height)
             ctxt = px.cairo_create()
             # Compensate when drawing the icon for the context 
             # translation done to the position occupied by the widget