libavogadro/src/boxcontrol.h

/**********************************************************************
  BoxControl - Mouse control over the size of a cube/surface

  Copyright (C) 2008 Tim Vandermeersch
  Copyright (c) 2008-2009 Marcus D. Hanwell
  Copyright (c) 2009 Geoff Hutchison

  This file is part of the Avogadro molecular editor project.
  For more information, see <http://avogadro.openmolecules.net/>

  Avogadro is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  Avogadro 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 General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  02110-1301, USA.
 **********************************************************************/

#ifndef BOXCONTROL_H
#define BOXCONTROL_H

#include <avogadro/global.h>

#include <QVector>
#include <QPoint>

#include <Eigen/Core>

class QMouseEvent;

namespace Avogadro {

  class Line;
  class Point;

  class A_EXPORT BoxControl : public QObject
  {
    Q_OBJECT

  public:
    BoxControl();
    ~BoxControl();
    void addPrimitives();
    void removePrimitives();
    bool isModified() const { return m_modified; }
    void setModified(bool value) { m_modified = value; }
    void setOppositeCorners(const Eigen::Vector3d &p1, const Eigen::Vector3d &p2);
    Eigen::Vector3d min() { return m_min; }
    Eigen::Vector3d max() { return m_max; }
  signals:
    void modified();

  public slots:
    // Handle points clicking...
    void mousePressEvent(Point *point, QMouseEvent * event);
    void mouseMoveEvent(Point *point, QMouseEvent * event);
    void mouseReleaseEvent(Point *point, QMouseEvent * event);

  private:
    void updatePrimitives();

    Eigen::Vector3d m_min, m_max;
    QVector<Point*> m_points;
    QVector<Line*>  m_lines;
    QPoint          m_lastDraggingPosition;
    bool            m_modified;
    bool            m_added;
  };

} // end namespace Avogadro

#endif

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