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# diagramtextitem.cpp Example File
graphicsview/diagramscene/diagramtextitem.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2007-$THISYEAR$ $TROLLTECH$. All rights reserved.
     **
     ** This file is part of the $MODULE$ of the Qt Toolkit.
     **
     ** $TROLLTECH_DUAL_LICENSE$
     **
     ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
     ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
     **
     ****************************************************************************/

     #include <QtGui>

     #include "diagramtextitem.h"
     #include "diagramscene.h"

     DiagramTextItem::DiagramTextItem(QGraphicsItem *parent, QGraphicsScene *scene)
         : QGraphicsTextItem(parent, scene)
     {
         setFlag(QGraphicsItem::ItemIsMovable);
         setFlag(QGraphicsItem::ItemIsSelectable);
     }

     QVariant DiagramTextItem::itemChange(GraphicsItemChange change,
                          const QVariant &value)
     {
         if (change == QGraphicsItem::ItemSelectedHasChanged)
             emit selectedChange(this);
         return value;
     }

     void DiagramTextItem::focusOutEvent(QFocusEvent *event)
     {
         setTextInteractionFlags(Qt::NoTextInteraction);
         emit lostFocus(this);
         QGraphicsTextItem::focusOutEvent(event);
     }

     void DiagramTextItem::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
     {
         if (textInteractionFlags() == Qt::NoTextInteraction)
             setTextInteractionFlags(Qt::TextEditorInteraction);
         QGraphicsTextItem::mouseDoubleClickEvent(event);
     }