From c58ae1bfd4059b085d388bc8cc655423c7660a31 Mon Sep 17 00:00:00 2001
From: Walter Bender <walter@sugarlabs.org>
Date: Thu, 19 Aug 2010 12:30:57 +0000
Subject: reverting some aggressive drag optimizations

---
diff --git a/TurtleArt/tawindow.py b/TurtleArt/tawindow.py
index d99672f..ac7edd8 100644
--- a/TurtleArt/tawindow.py
+++ b/TurtleArt/tawindow.py
@@ -1180,12 +1180,11 @@ class TurtleArtWindow():
                     dx = -bx
 
             # Move the stack
-            # Calculate a bounding box and only invalidate once.
-            """
             for blk in self.drag_group:
                 (bx, by) = blk.spr.get_xy()
-                blk.spr.move((bx + dx, by + dy), blk.status=='collapsed')
+                blk.spr.move((bx + dx, by + dy), not blk.status=='collapsed')
             """
+            # Calculate a bounding box and only invalidate once.
             maxx = blk.spr.rect.x
             maxy = blk.spr.rect.x + blk.spr.rect.width
             minx = blk.spr.rect.y
@@ -1217,6 +1216,7 @@ class TurtleArtWindow():
             self.rect.width = maxx - minx
             self.rect.height = maxy - miny
             self.sprite_list.area.invalidate_rect(self.rect, False)
+            """
 
         self.dx += dx
         self.dy += dy
--
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