From fc4002152d3f1f40f6a746f7229a16f8bd3a2c77 Mon Sep 17 00:00:00 2001
From: Dario Sassi <dario.s@egaltech.com>
Date: Mon, 23 Mar 2015 11:39:17 +0000
Subject: [PATCH] EgtGraphics : - piccola miglioria a UnselectableAdd.

---
 SceneSelect.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/SceneSelect.cpp b/SceneSelect.cpp
index edf3f3d..c64471b 100644
--- a/SceneSelect.cpp
+++ b/SceneSelect.cpp
@@ -189,6 +189,9 @@ Scene::UnselectableAdd( int nId)
   // non si ammettono radice e id negativi
    if ( nId <= GDB_ID_ROOT)
       return false ;
+  // verifico se già presente
+   if ( binary_search( m_Unsel.begin(), m_Unsel.end(), nId))
+      return true ;
   // inserisco l'elemento
    m_Unsel.push_back( nId) ;
   // ordino in senso crescente