/home/kitware/dashboards/avogadro/libavogadro/src/textmatrixeditor.h

/**********************************************************************
  TextMatrixEditor - Text editor that edits 3x3 matrices

  Copyright (C) 2011 David C. Lonie

  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 TEXTMATRIXEDITOR_H
#define TEXTMATRIXEDITOR_H

#include <avogadro/global.h> // For A_EXPORT

#include <QtGui/QTextEdit>

#include <Eigen/Core>

class QRegExp;

namespace Avogadro
{

class A_EXPORT TextMatrixEditor : public QTextEdit
{
  Q_OBJECT
public:
  explicit TextMatrixEditor(QWidget *parent = 0);
  virtual ~TextMatrixEditor();

  QRegExp * delimiters() {return this->m_delimiters;}
  const QRegExp * delimiters() const {return this->m_delimiters;}

  Eigen::Matrix3d matrix() const;

signals:
  void isInvalid();
  void isValid();

public slots:
  void setMatrix(const Eigen::Matrix3d &mat);
  void resetMatrix();

protected slots:
  bool validate();

  void markAsInvalid();

  void markAsValid();

protected:
  QTextCharFormat *m_charFormat;
  QRegExp *m_delimiters;
  Eigen::Matrix3d m_matrix;
};

} // namespace Avogadro

#endif // TEXTMATRIXEDITOR_H