[FIX] - NetworkArrows disappear properly when deleted

src/gui/qt4/networkEditor/WQtNetworkArrow.cpp

@@ -51,6 +51,7 @@ WQtNetworkArrow::~WQtNetworkArrow()
 {
     m_startPort->removeArrow( this );
     m_endPort->removeArrow( this );
+    this->hide();
 }
 
 int WQtNetworkArrow::type() const
@@ -58,7 +59,6 @@ int WQtNetworkArrow::type() const
     return Type;
 }
 
-
 void WQtNetworkArrow::updatePosition()
 {
     QRectF sRect = m_startPort->rect();

src/gui/qt4/networkEditor/WQtNetworkArrow.h

@@ -126,21 +126,21 @@ protected:
      * \param option
      * \param w
      */
-    void paint( QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* w );
+    void paint( QPainter* painter, const QStyleOptionGraphicsItem *option, QWidget *w );
 
      /**
      * If the cursor enters the arrow, the arrow becomes geen.
      *
      * \param event the hover event
      */
-    void hoverEnterEvent( QGraphicsSceneHoverEvent * event );
+    void hoverEnterEvent( QGraphicsSceneHoverEvent *event );
 
     /**
      * If the cursor leaves the arrow, the arrow gets his default color.
      *
      * \param event the hover event
      */
-    void hoverLeaveEvent( QGraphicsSceneHoverEvent * event );
+    void hoverLeaveEvent( QGraphicsSceneHoverEvent *event );
 
 private: