put all global objects of single-instance classes into the global_objects dict

  - E.g., the global TurtleArtWindow instance, the global LogoCode instance,
    etc.

1 files changed, 8 insertions, 0 deletions

diff --git a/TurtleArt/tawindow.py b/TurtleArt/tawindow.py
index 467a772..552b3f2 100644
--- a/TurtleArt/tawindow.py
+++ b/TurtleArt/tawindow.py
@@ -96,6 +96,9 @@ _PLUGIN_SUBPATH = 'plugins'
 _MACROS_SUBPATH = 'macros'
 
 
+global_objects = {}  # the global instances of single-instance classes
+
+
 class TurtleArtWindow():
     ''' TurtleArt Window class abstraction  '''
 
@@ -298,6 +301,11 @@ class TurtleArtWindow():
             from tabasics import Palettes
             self._basic_palettes = Palettes(self)
 
+        global_objects["window"] = self
+        global_objects["canvas"] = self.canvas
+        global_objects["logo"] = self.lc
+        global_objects["turtles"] = self.turtles
+
         if self.interactive_mode:
             gobject.idle_add(self._lazy_init)
         else: