From 8735e6a723330ece681806c08594b1d64eb95ffb Mon Sep 17 00:00:00 2001
From: rnc <rnc@opencascade.com>
Date: Thu, 21 Feb 2013 18:02:25 +0000
Subject: [PATCH] EDF 2561 : Fixed performance issues of the object browser
 when "Resize column on expand item" is activated

---
 src/ObjBrowser/OB_Browser.cxx | 7 ++++++-
 src/ObjBrowser/OB_Browser.h   | 1 +
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/ObjBrowser/OB_Browser.cxx b/src/ObjBrowser/OB_Browser.cxx
index a628ccb78..3b1e172b2 100755
--- a/src/ObjBrowser/OB_Browser.cxx
+++ b/src/ObjBrowser/OB_Browser.cxx
@@ -893,10 +893,15 @@ void OB_Browser::onExpandAll()
 {
   QModelIndexList indexes = selectedIndexes();
   QModelIndex index;
-
+  disconnect( treeView(), SIGNAL( expanded( const QModelIndex& ) ), 
+           this,       SLOT( onExpanded( const QModelIndex& ) ) );
+  
   foreach ( index, indexes ) {
     myView->expandAll( index );
   }
+  connect( treeView(), SIGNAL( expanded( const QModelIndex& ) ), 
+           this,       SLOT( onExpanded( const QModelIndex& ) ) );
+  emit(onExpanded( index));
 }
 
 /*!
diff --git a/src/ObjBrowser/OB_Browser.h b/src/ObjBrowser/OB_Browser.h
index a3d42a0d4..f468c9fbb 100755
--- a/src/ObjBrowser/OB_Browser.h
+++ b/src/ObjBrowser/OB_Browser.h
@@ -120,6 +120,7 @@ signals:
 private slots:
   void                   onExpandAll();
   void                   onCollapseAll();
+  virtual void           onExpanded( const QModelIndex& ) = 0;
   //void                   onDestroyed( SUIT_DataObject* );
   //void                   onDoubleClicked ( QListViewItem* );
   //void                   onDropped( QPtrList<QListViewItem>, QListViewItem*, int );
-- 
2.39.2