From 5a2e82b6ec9945c11a57dd63559bef2f219f4abe Mon Sep 17 00:00:00 2001
From: mpv <mikhail.ponikarov@opencascade.com>
Date: Tue, 29 Jul 2014 10:47:45 +0400
Subject: [PATCH] Debug of opening document with sketch

---
 src/Model/Model_Update.cpp | 3 +++
 src/Model/Model_Update.h   | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/src/Model/Model_Update.cpp b/src/Model/Model_Update.cpp
index a50f19c6a..070e5a8c0 100644
--- a/src/Model/Model_Update.cpp
+++ b/src/Model/Model_Update.cpp
@@ -24,6 +24,8 @@ Model_Update::Model_Update()
 
 void Model_Update::processEvent(const Events_Message* theMessage)
 {
+  if (isExecuted) return; // nothing to do: it is executed now
+  isExecuted = true;
   const ModelAPI_ObjectUpdatedMessage* aMsg = 
     dynamic_cast<const ModelAPI_ObjectUpdatedMessage*>(theMessage);
   myInitial = aMsg->objects();
@@ -48,6 +50,7 @@ void Model_Update::processEvent(const Events_Message* theMessage)
   // flush
   static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
   Events_Loop::loop()->flush(EVENT_DISP);
+  isExecuted = false;
 }
 
 bool Model_Update::updateFeature(FeaturePtr theFeature)
diff --git a/src/Model/Model_Update.h b/src/Model/Model_Update.h
index f96bbf8ad..e5851910f 100644
--- a/src/Model/Model_Update.h
+++ b/src/Model/Model_Update.h
@@ -24,6 +24,8 @@ class Model_Update : public Events_Listener
   std::set<boost::shared_ptr<ModelAPI_Object> > myInitial;
   ///< already updated and processed features and modificated feature flag
   std::map<boost::shared_ptr<ModelAPI_Object>, bool> myUpdated;
+  ///< to know that all next updates are caused by this execution
+  bool isExecuted;
 public:
   /// Is called only once, on startup of the application
   Model_Update();
-- 
2.39.2