src/QxGraph/QxGraph_ActiveItem.h

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// Copyright (C) 2007-2011  CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//

#ifndef QXGRAPH_ACTIVEITEM_H
#define QXGRAPH_ACTIVEITEM_H

#include "QxGraph.h"

#include <qpoint.h>
#include <qwmatrix.h>
#include <qevent.h>

class QXGRAPH_EXPORT QxGraph_ActiveItem
{
 public:
  QxGraph_ActiveItem() {}
  ~QxGraph_ActiveItem() {}

  virtual bool isMoveable() = 0;
  virtual void beforeMoving() = 0;
  virtual void afterMoving() = 0;

  virtual bool isResizable(QPoint thePoint, int& theCursorType) { return false; }
  virtual bool isResizing() { return false; }
  virtual void beforeResizing(int theCursorType) {}
  virtual void resize(QPoint thePoint) {}
  virtual void afterResizing() {}

  virtual void hilight(const QPoint& theMousePos, const bool toHilight = true) = 0;
  virtual void select(const QPoint& theMousePos, const bool toSelect = true) = 0;
  virtual void showPopup(QWidget* theParent, QMouseEvent* theEvent, const QPoint& theMousePos = QPoint()) = 0;

  virtual QString getToolTipText(const QPoint& theMousePos, QRect& theRect) const = 0;

  virtual bool arePartsOfOtherItem(QxGraph_ActiveItem* theSecondItem) { return false; }

  void setTMatrix(QWMatrix theMatrix) { myTMatrix = theMatrix; }
  QWMatrix getTMatrix() const { return myTMatrix; }

 private:
  QWMatrix myTMatrix; // canvas view's current transformation matrix
};

#endif