From db13367e495bc954e3cbd28587eb95093233b2dd Mon Sep 17 00:00:00 2001
From: abd <abd@opencascade.com>
Date: Tue, 20 Dec 2005 06:20:44 +0000
Subject: [PATCH] Added signal for end of wheel operation

---
 src/GLViewer/GLViewer_Viewer2d.cxx | 2 ++
 src/GLViewer/GLViewer_Viewer2d.h   | 5 +++++
 2 files changed, 7 insertions(+)

diff --git a/src/GLViewer/GLViewer_Viewer2d.cxx b/src/GLViewer/GLViewer_Viewer2d.cxx
index c7a1d297d..f98f5e2ae 100644
--- a/src/GLViewer/GLViewer_Viewer2d.cxx
+++ b/src/GLViewer/GLViewer_Viewer2d.cxx
@@ -969,6 +969,8 @@ void GLViewer_Viewer2d::startOperations( QWheelEvent* e )
         update = anObject->updateZoom( zoomIn ) || update;
     }
 
+    emit wheelZoomChange( zoomIn );
+
     if( update )
         updateAll();
 }
diff --git a/src/GLViewer/GLViewer_Viewer2d.h b/src/GLViewer/GLViewer_Viewer2d.h
index 94a5bd254..21840335f 100644
--- a/src/GLViewer/GLViewer_Viewer2d.h
+++ b/src/GLViewer/GLViewer_Viewer2d.h
@@ -180,6 +180,11 @@ public:
   //! Repaints view \param theView. If \param theView = NULL repaints all views.
   void                 repaintView( GLViewer_ViewFrame* theView = NULL, bool makeCurrent = false );
 
+signals:
+  //! Signal needs for optimum recompute of zoom depending objects
+  //! Warning: use recompute without update viewer
+  void                 wheelZoomChange( bool );
+
 public slots:
   //void                 onSketchDelObject();
   //void                 onSketchUndoLast();
-- 
2.39.2