render_widget.h

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/*
 * Copyright (c) 2011, Willow Garage, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Willow Garage, Inc. nor the names of its
 *       contributors may be used to endorse or promote products derived from
 *       this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef RENDER_WIDGET_H
#define RENDER_WIDGET_H

#include <QWidget>
#include <QFrame>

namespace Ogre
{
class RenderWindow;
}

namespace rviz
{
class RenderSystem;

class RenderWidget : public QWidget
{
public:
  RenderWidget(RenderSystem* render_system, QWidget* parent = nullptr);
  ~RenderWidget() override;
  Ogre::RenderWindow* getRenderWindow()
  {
    return render_window_;
  }

protected:
  void moveEvent(QMoveEvent* e) override;
  void paintEvent(QPaintEvent* e) override;
  void resizeEvent(QResizeEvent* e) override;
  qreal pixelRatio() const;

#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
  QPaintEngine* paintEngine() const override
  {
    return nullptr;
  }
#endif

  RenderSystem* render_system_;
  Ogre::RenderWindow* render_window_;

  QFrame* renderFrame;
};

} // end namespace rviz

#endif // RENDER_WIDGET_H