From 7152caa14d9c0ec912b5326fde58c0c410e45391 Mon Sep 17 00:00:00 2001
From: Lex Neva <github.com@lexneva.name>
Date: Sat, 30 Dec 2017 20:54:35 -0500
Subject: render in a background thread

The problem with this approach is that sometimes the SystemExit happens down
inside shapely and it complains bitterly (on stderr).  May have to rethink.
---
 embroider_simulate.py | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'embroider_simulate.py')

diff --git a/embroider_simulate.py b/embroider_simulate.py
index d80dbe6e..6db203ad 100644
--- a/embroider_simulate.py
+++ b/embroider_simulate.py
@@ -179,6 +179,8 @@ class EmbroiderySimulator(wx.Frame):
     def clear(self):
         self.dc.SetBackground(wx.Brush('white'))
         self.dc.Clear()
+        self.last_pos = None
+        self.Refresh()
 
     def on_size(self, e):
         # ensure that the whole canvas is visible
-- 
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