render_panel.h

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/*
 * Copyright (c) 2008, 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
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 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 */

#ifndef RVIZ_RENDER_PANEL_H
#define RVIZ_RENDER_PANEL_H

#include "ogre_helpers/qt_ogre_render_window.h"

#ifndef Q_MOC_RUN
#include <OgreSceneManager.h>

#include <boost/thread/mutex.hpp>
#endif

#include <vector>
#include <map>

namespace Ogre
{
class Root;
class Camera;
class RaySceneQuery;
class ParticleSystem;
} // namespace Ogre

namespace ros
{
class Node;
}

class QMenu;
class QKeyEvent;
class PropertyTreeWidget;

namespace rviz
{
class Display;
class DisplayContext;
class ViewController;

class RenderPanel : public QtOgreRenderWindow, public Ogre::SceneManager::Listener
{
  Q_OBJECT
public:
  RenderPanel(QWidget* parent = nullptr);
  ~RenderPanel() override;

  void initialize(Ogre::SceneManager* scene_manager, DisplayContext* manager);

  DisplayContext* getManager()
  {
    return context_;
  }

  ViewController* getViewController()
  {
    return view_controller_;
  }

  void setViewController(ViewController* controller);

  void showContextMenu(boost::shared_ptr<QMenu> menu);

  bool contextMenuVisible();

  void sceneManagerDestroyed(Ogre::SceneManager* source) override;

  bool getFocusOnMouseMove() const;

  void setFocusOnMouseMove(bool enabled);

protected:
  // Override from QWidget
  void contextMenuEvent(QContextMenuEvent* event) override;

  void onRenderWindowMouseEvents(QMouseEvent* event);

  // QWidget mouse events all get sent to onRenderWindowMouseEvents().
  // QMouseEvent.type() distinguishes them later.
  void mouseMoveEvent(QMouseEvent* event) override
  {
    onRenderWindowMouseEvents(event);
  }
  void mousePressEvent(QMouseEvent* event) override
  {
    onRenderWindowMouseEvents(event);
  }
  void mouseReleaseEvent(QMouseEvent* event) override
  {
    onRenderWindowMouseEvents(event);
  }
  void mouseDoubleClickEvent(QMouseEvent* event) override
  {
    onRenderWindowMouseEvents(event);
  }

  void leaveEvent(QEvent* event) override;

  void wheelEvent(QWheelEvent* event) override;

  void keyPressEvent(QKeyEvent* event) override;

  // Mouse handling
  int mouse_x_;              
  int mouse_y_;              
  bool focus_on_mouse_move_; 

  DisplayContext* context_;
  Ogre::SceneManager* scene_manager_;

  ViewController* view_controller_;

  boost::shared_ptr<QMenu> context_menu_;
  boost::mutex context_menu_mutex_;

  bool context_menu_visible_;

  // Pointer to the Display which is using this render panel, or NULL
  // if this does not belong to a Display.
  Display* display_;

private Q_SLOTS:
  // TODO(simonschmeisser) remove this in noetic
  void sendMouseMoveEvent();
  void onContextMenuHide();

private:
  // TODO(simonschmeisser) remove this in noetic
  QTimer* fake_mouse_move_event_timer_;
  Ogre::Camera* default_camera_; 
};

} // namespace rviz

#endif