kdgantt/kdganttconstraintgraphicsitem.h

   1 /****************************************************************************
   2  ** Copyright (C) 2001-2006 Klarälvdalens Datakonsult AB.  All rights reserved.
   3  **
   4  ** This file is part of the KD Gantt library.
   5  **
   6  ** This file may be used under the terms of the GNU General Public
   7  ** License versions 2.0 or 3.0 as published by the Free Software
   8  ** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
   9  ** included in the packaging of this file.  Alternatively you may (at
  10  ** your option) use any later version of the GNU General Public
  11  ** License if such license has been publicly approved by
  12  ** Klarälvdalens Datakonsult AB (or its successors, if any).
  13  **
  14  ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
  15  ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
  16  ** A PARTICULAR PURPOSE. Klarälvdalens Datakonsult AB reserves all rights
  17  ** not expressly granted herein.
  18  **
  19  ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
  20  ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  21  **
  22  **********************************************************************/
  23 #ifndef KDGANTTCONSTRAINTGRAPHICSITEM_H
  24 #define KDGANTTCONSTRAINTGRAPHICSITEM_H
  25
  26 #include <QGraphicsItem>
  27
  28 #include "kdganttconstraint.h"
  29
  30 namespace KDGantt {
  31     class GraphicsScene;
  32
  33     class ConstraintGraphicsItem : public QGraphicsItem {
  34     public:
  35         enum { Type = UserType + 43 };
  36
  37         explicit ConstraintGraphicsItem( const Constraint& c,
  38                                          QGraphicsItem* parent = 0, GraphicsScene* scene = 0 );
  39         virtual ~ConstraintGraphicsItem();
  40
  41         /*reimp*/ int type() const;
  42         /*reimp (non virtual)*/GraphicsScene* scene() const;
  43
  44         /*reimp*/ QString ganttToolTip() const;
  45
  46         /*reimp*/ QRectF boundingRect() const;
  47         /*reimp*/ void paint( QPainter* painter, const QStyleOptionGraphicsItem* option,
  48                               QWidget* widget = 0 );
  49
  50         inline const Constraint& constraint() const { return m_constraint; }
  51         Constraint proxyConstraint() const;
  52
  53         void setStart( const QPointF& start );
  54         inline QPointF start() const { return m_start; }
  55         void setEnd( const QPointF& end );
  56         inline QPointF end() const { return m_end; }
  57
  58         void updateItem( const QPointF& start,const QPointF& end );
  59     private:
  60         Constraint m_constraint;
  61         QPointF m_start;
  62         QPointF m_end;
  63     };
  64 }
  65
  66 #endif /* KDGANTTCONSTRAINTGRAPHICSITEM_H */
  67