Program Listing for File orbit_view_controller.hpp

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/*
 * Copyright (c) 2009, Willow Garage, Inc.
 * Copyright (c) 2017, Open Source Robotics Foundation, Inc.
 * Copyright (c) 2018, Bosch Software Innovations GmbH.
 * 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 RVIZ_DEFAULT_PLUGINS__VIEW_CONTROLLERS__ORBIT__ORBIT_VIEW_CONTROLLER_HPP_
#define RVIZ_DEFAULT_PLUGINS__VIEW_CONTROLLERS__ORBIT__ORBIT_VIEW_CONTROLLER_HPP_

#include <memory>

#include <OgreVector3.h>

#include <QCursor>  // NOLINT(build/include_order)

#include "rviz_common/frame_position_tracking_view_controller.hpp"
#include "rviz_common/properties/bool_property.hpp"
#include "rviz_common/properties/float_property.hpp"
#include "rviz_common/properties/vector_property.hpp"
#include "rviz_rendering/objects/shape.hpp"
#include "rviz_default_plugins/visibility_control.hpp"

namespace rviz_default_plugins
{
namespace view_controllers
{


class RVIZ_DEFAULT_PLUGINS_PUBLIC OrbitViewController : public
  rviz_common::FramePositionTrackingViewController
{
  Q_OBJECT

public:
  OrbitViewController();
  ~OrbitViewController() override;


  void onInitialize() override;


  void zoom(float amount);

  void yaw(float angle);

  void pitch(float angle);

  void move(float x, float y, float z);  // NOLINT(build/include_what_you_use): not std::move

  void handleMouseEvent(rviz_common::ViewportMouseEvent & evt) override;

  void lookAt(const Ogre::Vector3 & point) override;

  void reset() override;


  void mimic(ViewController * source_view) override;

  rviz_common::FocalPointStatus getFocalPointStatus() override;

  void update(float dt, float ros_dt) override;

protected:
  bool setMouseMovementFromEvent(
    const rviz_common::ViewportMouseEvent & event, int32_t & diff_x, int32_t & diff_y);

  void rotateCamera(int32_t diff_x, int32_t diff_y);

  virtual void moveFocalPoint(
    float distance, int32_t diff_x, int32_t diff_y, int32_t last_x, int32_t last_y);

  virtual void handleWheelEvent(rviz_common::ViewportMouseEvent & event, float distance);

  virtual void handleRightClick(
    rviz_common::ViewportMouseEvent & event, float distance, int32_t diff_y);

  virtual void setShiftOrbitStatus();

  void setDefaultOrbitStatus();

  void onTargetFrameChanged(
    const Ogre::Vector3 & old_reference_position,
    const Ogre::Quaternion & old_reference_orientation) override;


  void calculatePitchYawFromPosition(const Ogre::Vector3 & position);

  void updateFocalShapeSize();

  virtual void updateCamera();

  Ogre::Vector3 mimicTopDownViewController(rviz_common::ViewController * view_controller);

  rviz_common::properties::FloatProperty * yaw_property_;
  rviz_common::properties::FloatProperty * pitch_property_;
  rviz_common::properties::FloatProperty * distance_property_;
  rviz_common::properties::VectorProperty * focal_point_property_;
  rviz_common::properties::BoolProperty * focal_shape_fixed_size_property_;
  rviz_common::properties::FloatProperty * focal_shape_size_property_;

  std::unique_ptr<rviz_rendering::Shape> focal_shape_;

private:
  bool dragging_;
};

}  // namespace view_controllers
}  // namespace rviz_default_plugins

#endif  // RVIZ_DEFAULT_PLUGINS__VIEW_CONTROLLERS__ORBIT__ORBIT_VIEW_CONTROLLER_HPP_