/*

Copyright (C) 2011-2017 Michael Goffioul

This file is part of Octave.

Octave 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 3 of the License, or
(at your option) any later version.

Octave 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 Octave; see the file COPYING.  If not, see
<http://www.gnu.org/licenses/>.

*/

#if ! defined (octave_GLCanvas_h)
#define octave_GLCanvas_h 1

#include <QGLWidget>

#include "Canvas.h"

namespace QtHandles
{

  class GLCanvas : public QGLWidget, public Canvas
  {
  public:
    GLCanvas (QWidget* parent, const graphics_handle& handle);
    ~GLCanvas (void);

    void draw (const graphics_handle& handle);
    void toggleAxes (const graphics_handle& handle);
    void toggleGrid (const graphics_handle& handle);
    void autoAxes (const graphics_handle& handle);
    void drawZoomBox (const QPoint& p1, const QPoint& p2);
    void resize (int /* x */, int /* y */,
                 int /* width */, int /* height */) { }
    graphics_object selectFromAxes (const graphics_object& ax,
                                    const QPoint& pt);
    QWidget* qWidget (void) { return this; }

  protected:
    void paintGL (void);
    void mouseDoubleClickEvent (QMouseEvent* event);
    void mouseMoveEvent (QMouseEvent* event);
    void mousePressEvent (QMouseEvent* event);
    void mouseReleaseEvent (QMouseEvent* event);
    void wheelEvent (QWheelEvent* event);
    void keyPressEvent (QKeyEvent* event);
    void keyReleaseEvent (QKeyEvent* event);
  };

}

#endif