From c6313b5a9ef8ed91c61e969bae57df046d3c012d Mon Sep 17 00:00:00 2001
From: vsr <vsr@opencascade.com>
Date: Thu, 27 Aug 2015 18:57:20 +0300
Subject: [PATCH] Emit vpTransformationStarted(), vpTransformationFinished()
 signals on wheel event in OCC viewer

---
 src/OCCViewer/OCCViewer_ViewWindow.cxx | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/OCCViewer/OCCViewer_ViewWindow.cxx b/src/OCCViewer/OCCViewer_ViewWindow.cxx
index 98ae2107b..5cacf379d 100755
--- a/src/OCCViewer/OCCViewer_ViewWindow.cxx
+++ b/src/OCCViewer/OCCViewer_ViewWindow.cxx
@@ -373,7 +373,9 @@ bool OCCViewer_ViewWindow::eventFilter( QObject* watched, QEvent* e )
               ic->HilightPreviousDetected( myViewPort->getView() );
             }
           }
-        } else {
+        }
+        else {
+          emit vpTransformationStarted ( ZOOMVIEW );
           myViewPort->startZoomAtPoint( aEvent->x(), aEvent->y() );
           double delta = (double)( aEvent->delta() ) / ( 15 * 8 );
           int x  = aEvent->x();
@@ -382,6 +384,7 @@ bool OCCViewer_ViewWindow::eventFilter( QObject* watched, QEvent* e )
           int y1 = (int)( aEvent->y() + height()*delta/100 );
           myViewPort->zoom( x, y, x1, y1 );
           myViewPort->getView()->ZFitAll();
+          emit vpTransformationFinished ( ZOOMVIEW );
         }
       }
       return true;
@@ -550,7 +553,7 @@ void OCCViewer_ViewWindow::vpMousePressEvent( QMouseEvent* theEvent )
     }
     /* notify that we start a transformation */
     if ( transformRequested() )
-            emit vpTransformationStarted ( myOperation );
+      emit vpTransformationStarted ( myOperation );
   }
   if ( transformRequested() )
     setTransformInProcess( true );
-- 
2.39.2