From 92804afdbb75dadfc980bee6eff319e31de571dc Mon Sep 17 00:00:00 2001
From: imn <imn@opencascade.com>
Date: Mon, 1 Feb 2016 11:42:34 +0300
Subject: [PATCH] Fix problem with painting of OCC_Viewer on Qt 5 with OCCT
 version less 7.0.0

---
 src/OCCViewer/OCCViewer_ViewPort.cxx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/OCCViewer/OCCViewer_ViewPort.cxx b/src/OCCViewer/OCCViewer_ViewPort.cxx
index ad4de604e..2648f3ec9 100755
--- a/src/OCCViewer/OCCViewer_ViewPort.cxx
+++ b/src/OCCViewer/OCCViewer_ViewPort.cxx
@@ -218,7 +218,9 @@ void OCCViewer_ViewPort::initialize()
   setBackgroundRole( QPalette::NoRole );//NoBackground );
   // set focus policy to threat QContextMenuEvent from keyboard  
   setFocusPolicy( Qt::StrongFocus );
+#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0) && OCC_VERSION_LARGE < 0x07000000
   setAttribute( Qt::WA_PaintOnScreen );
+#endif
   setAttribute( Qt::WA_NoSystemBackground );
 }
 
-- 
2.39.2