From 6255dca99cd8ed3dc94ff086ec65df3f45b20c65 Mon Sep 17 00:00:00 2001
From: Mikhail Terekhov <terekhov@emc.com>
Date: Wed, 26 Feb 2014 10:20:24 -0500
Subject: [PATCH] MouseClickEvent: sometimes __repr__ could cause an exception

This happens during debugging session in an IDE (eric5) when debugger inspects
variables but self._scenePos is not yet initialized.
---
 pyqtgraph/GraphicsScene/mouseEvents.py | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/pyqtgraph/GraphicsScene/mouseEvents.py b/pyqtgraph/GraphicsScene/mouseEvents.py
index f337a657..fa9bc36d 100644
--- a/pyqtgraph/GraphicsScene/mouseEvents.py
+++ b/pyqtgraph/GraphicsScene/mouseEvents.py
@@ -221,9 +221,12 @@ class MouseClickEvent(object):
         return self._modifiers
 
     def __repr__(self):
-        p = self.pos()
-        return "<MouseClickEvent (%g,%g) button=%d>" % (p.x(), p.y(), int(self.button()))
-        
+        try:
+            p = self.pos()
+            return "<MouseClickEvent (%g,%g) button=%d>" % (p.x(), p.y(), int(self.button()))
+        except:
+            return "<MouseClickEvent button=%d>" % (int(self.button()))
+
     def time(self):
         return self._time