From baaef1555c2d86c8dc1e3824c1599d8afddd3b37 Mon Sep 17 00:00:00 2001
From: akl <akl@opencascade.com>
Date: Fri, 22 Nov 2013 07:52:11 +0000
Subject: [PATCH] Set to curve the modified values only to avoid an empty
 Undo/Redo

---
 src/HYDROCurveCreator/CurveCreator_Widget.cxx | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/HYDROCurveCreator/CurveCreator_Widget.cxx b/src/HYDROCurveCreator/CurveCreator_Widget.cxx
index dc2edf73..51181043 100644
--- a/src/HYDROCurveCreator/CurveCreator_Widget.cxx
+++ b/src/HYDROCurveCreator/CurveCreator_Widget.cxx
@@ -571,9 +571,14 @@ void CurveCreator_Widget::onModifySection()
   bool isClosed = myNewSectionEditor->isClosed();
   CurveCreator::SectionType aSectType = myNewSectionEditor->getSectionType();
 //  myCurve->startOperation();
-  myCurve->setClosed( mySection, isClosed );
-  myCurve->setSectionName( mySection , aName.toStdString() );
-  myCurve->setSectionType( mySection, aSectType );
+  if( myCurve->getSectionName(mySection) != aName.toStdString() )
+    myCurve->setSectionName( mySection , aName.toStdString() );
+
+  if( myCurve->getSectionType(mySection) != aSectType )
+    myCurve->setSectionType( mySection, aSectType );
+
+  if( myCurve->isClosed(mySection) != isClosed )
+    myCurve->setClosed( mySection, isClosed );
 //  myCurve->finishOperation();
   mySectionView->sectionChanged(mySection);
   updateUndoRedo();
-- 
2.39.2