Allow display of controls only in currently selected mapping.

Mapper.cpp

@@ -21,6 +21,15 @@
 #include "Mapper.h"
 #include "MainWindow.h"
 
+void VertexGraphicsItem::paint(QPainter *painter,
+    const QStyleOptionGraphicsItem *option,
+    QWidget* widget)
+{
+  Q_UNUSED(widget);
+  if (((ShapeGraphicsItem*)parentItem())->getMapping()->getId() == MainWindow::instance()->getCurrentMappingId())
+    Util::drawControlsVertex(painter, QPointF(0,0), (option->state & QStyle::State_Selected));
+}
+
 ShapeGraphicsItem::ShapeGraphicsItem(Mapping::ptr mapping, bool output)
   : _mapping(mapping), _output(output)
 {
@@ -230,7 +239,7 @@ void TextureGraphicsItem::_doPaint(QPainter *painter,
   // End drawing.
   _postDraw(painter);
 
-//  if (selected)
+  if (getMapping()->getId() == MainWindow::instance()->getCurrentMappingId())
     _doDrawControls(painter);
 }