From eb0e92727df3f5dd209d4248023b5d5f98e6bb99 Mon Sep 17 00:00:00 2001
From: Paulo Henrique Junqueira Amorim <paulojamorim@gmail.com>
Date: Thu, 23 Apr 2015 14:31:08 -0300
Subject: [PATCH] FIX: Fixed problem in Windows after leave threshold bar event was not killed

---
 invesalius/gui/widgets/gradient.py |  9 +++++++++
 1 file changed, 9 insertions(+), 0 deletions(-)

diff --git a/invesalius/gui/widgets/gradient.py b/invesalius/gui/widgets/gradient.py
index 3d44e42..ef00389 100755
--- a/invesalius/gui/widgets/gradient.py
+++ b/invesalius/gui/widgets/gradient.py
@@ -75,9 +75,18 @@ class GradientSlider(wx.Panel):
         self.Bind(wx.EVT_LEFT_UP, self.OnRelease)
         self.Bind(wx.EVT_PAINT, self.OnPaint)
         self.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBackGround)
+
+        if sys.platform == 'win32':
+            self.Bind(wx.EVT_LEAVE_WINDOW, self.OnLeaveWindow)
+
         self.Bind(wx.EVT_MOTION, self.OnMotion)
         self.Bind(wx.EVT_SIZE, self.OnSize)
 
+    def OnLeaveWindow(self, evt):
+        self.selected = 0
+        evt.Skip()
+
+        
     def OnPaint(self, evt):
         # Where the magic happens. Here the controls are drawn.
         dc = wx.BufferedPaintDC(self)
--
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