text: /*
   * Copyright (c) 2008, Willow Garage, 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.
   */
  /*
   * measure_tool.h
   *
   *  Created on: Aug 8, 2012
   *      Author: gossow
   */
  
  #ifndef RVIZ_DEFAULT_PLUGINS__TOOLS__MEASURE__MEASURE_TOOL_HPP_
  #define RVIZ_DEFAULT_PLUGINS__TOOLS__MEASURE__MEASURE_TOOL_HPP_
  
  #include <memory>
  
  #include <QCursor>  // NOLINT cpplint cannot handle include order
  
  #include <OgreVector3.h>
  
  #include "rviz_common/tool.hpp"
  
  #include "rviz_default_plugins/visibility_control.hpp"
  
  namespace rviz_rendering
  {
  class Line;
  }
  
  namespace rviz_common
  {
  namespace properties
  {
  class ColorProperty;
  }
  }
  
  namespace rviz_default_plugins
  {
  namespace tools
  {
  
  class RVIZ_DEFAULT_PLUGINS_PUBLIC MeasureTool : public rviz_common::Tool
  {
    Q_OBJECT
  
  public:
    MeasureTool();
  
    void onInitialize() override;
  
    void activate() override;
  
    void deactivate() override;
  
    int processMouseEvent(rviz_common::ViewportMouseEvent & event) override;
  
  public Q_SLOTS:
    void updateLineColor();
  
  private:
    void setStatusMessage();
    void processLeftButton(const Ogre::Vector3 & pos);
    void processRightButton();
  
    rviz_common::properties::ColorProperty * color_property_;
  
    std::shared_ptr<rviz_rendering::Line> line_;
    Ogre::Vector3 start_;
    Ogre::Vector3 end_;
    bool is_line_started_;
    float length_;
  
    QCursor std_cursor_;
    QCursor hit_cursor_;
  };
  
  }  // namespace tools
  }  // namespace rviz_default_plugins
  
  #endif  // RVIZ_DEFAULT_PLUGINS__TOOLS__MEASURE__MEASURE_TOOL_HPP_
  