Merge pull request #2756 from cimarronm/remove_picker_limitation

mdboom · mdboom · commit 6ab156fa50f0 · 2014-01-27T09:02:14.000-08:00
Removes artificial limit in artist picker traversal. There are quite a
diff --git a/lib/matplotlib/artist.py b/lib/matplotlib/artist.py
@@ -350,11 +350,14 @@ def pick(self, mouseevent):
         for a in self.get_children():
             # make sure the event happened in the same axes
             ax = getattr(a, 'axes', None)
-            if mouseevent.inaxes is None or mouseevent.inaxes == ax:
+            if mouseevent.inaxes is None or ax is None or \
+                    mouseevent.inaxes == ax:
                 # we need to check if mouseevent.inaxes is None
                 # because some objects associated with an axes (e.g., a
                 # tick label) can be outside the bounding box of the
                 # axes and inaxes will be None
+                # also check that ax is None so that it traverse objects
+                # which do no have an axes property but children might
                 a.pick(mouseevent)
 
     def set_picker(self, picker):
