Set grid visible when open new window

app/GridManager.cpp

@@ -66,7 +66,6 @@ void GridManager::drawGrid( QPixmap &image, const QRect& area, QPainter *painter
   QPen mainPen = QPen( color, 1, Qt::SolidLine );
 
   style = Solid;
-  hSpacing = vSpacing = 64;
   switch( style )
   {
   case IntersectionDot:

app/VideoHandle.cpp

@@ -372,6 +372,7 @@ Void VideoHandle::openSubWindow( VideoSubWindow* subWindow )
 {
   connect( subWindow->getViewArea(), SIGNAL( selectionChanged( QRect ) ), this, SLOT( updateSelectionArea( QRect ) ) );
   subWindow->getViewArea()->setTool( m_uiViewTool );
+  subWindow->getViewArea()->setGridVisible( m_arrayActions[SHOW_GRID_ACT]->isChecked() );
 }
 
 Void VideoHandle::closeSubWindow( SubWindowAbstract* subWindow )