robot_joint.h

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/*
 * Copyright (c) 2013, 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
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 */
 
#ifndef RVIZ_ROBOT_JOINT_H
#define RVIZ_ROBOT_JOINT_H
 
#include <string>
#include <map>
 
#include <QObject>
 
#ifndef Q_MOC_RUN
#include <rviz/ogre_helpers/ogre_vector.h>
#include <OgreQuaternion.h>
#include <OgreAny.h>
#include <OgreMaterial.h>
#endif
 
#include <urdf/model.h>
#include <urdf_model/pose.h>
 
#include <rviz/ogre_helpers/object.h>
#include <rviz/selection/forwards.h>
 
#include <OgrePrerequisites.h>
 
namespace Ogre
{
class Any;
}
 
namespace rviz
{
class Shape;
class Arrow;
class Axes;
class DisplayContext;
class FloatProperty;
class Property;
class BoolProperty;
class QuaternionProperty;
class Robot;
class RobotLinkSelectionHandler;
class VectorProperty;
class RobotJoint;
class StringProperty;
 
 
class RobotJoint : public QObject
{
  Q_OBJECT
public:
  RobotJoint(Robot* robot, const urdf::JointConstSharedPtr& joint);
  ~RobotJoint() override;
 
 
  void setTransforms(const Ogre::Vector3& parent_link_position,
                     const Ogre::Quaternion& parent_link_orientation);
 
  const std::string& getName() const
  {
    return name_;
  }
  const std::string& getParentLinkName() const
  {
    return parent_link_name_;
  }
  const std::string& getChildLinkName() const
  {
    return child_link_name_;
  }
  const Property* getJointProperty() const
  {
    return joint_property_;
  }
  Property* getJointProperty()
  {
    return joint_property_;
  }
  RobotJoint* getParentJoint();
  void hideSubProperties(bool hide);
 
  // Remove joint_property_ from its old parent and add to new_parent.  If new_parent==NULL then leav
  // unparented.
  void setParentProperty(Property* new_parent);
 
  Ogre::Vector3 getPosition();
  Ogre::Quaternion getOrientation();
 
  void setRobotAlpha(float /*unused*/)
  {
  }
 
  bool hasDescendentLinksWithGeometry() const
  {
    return has_decendent_links_with_geometry_;
  }
 
  // place subproperties as children of details_ or joint_property_
  void useDetailProperty(bool use_detail);
 
  // expand all sub properties
  void expandDetails(bool expand);
 
  // Set the description for the joint.
  // Also sets the checkbox.
  // Also sets has_decendent_links_with_geometry_.
  // Called when the link_tree style changes.
  void setJointPropertyDescription();
 
  // set checkboxes based on state of descendent link enables
  // Should only be called by Robot::calculateJointCheckboxes()
  void calculateJointCheckboxesRecursive(
      int& links_with_geom,            // returns # of children with geometry
      int& links_with_geom_checked,    // returns # of enabled children with geometry
      int& links_with_geom_unchecked); // returns # of disabled children with geometry
 
 
private Q_SLOTS:
  void updateAxes();
  void updateAxis();
  void updateChildVisibility();
 
private:
  bool getEnabled() const;
 
  // true if displaying in a tree style.  False if list style.
  bool styleIsTree() const;
 
  // determine the state of child link(s)
  void
  getChildLinkState(int& links_with_geom,           // returns # of children with geometry
                    int& links_with_geom_checked,   // returns # of enabled children with geometry
                    int& links_with_geom_unchecked, // returns # of disabled children with geometry
                    bool recursive) const; // True: all descendant links.  False: just single child link.
 
  // set the value of the enable checkbox without touching child joints/links
  void setJointCheckbox(const QVariant& val);
 
 
protected:
  Robot* robot_;
  std::string name_; 
  std::string parent_link_name_;
  std::string child_link_name_;
 
  // properties
  Property* joint_property_;
  Property* details_;
  VectorProperty* position_property_;
  QuaternionProperty* orientation_property_;
  Property* axes_property_;
  // The joint axis if any, as opposed to the frame in which the joint exists above
  VectorProperty* axis_property_;
  Property* show_axis_property_;
  StringProperty* type_property_;
  FloatProperty* lower_limit_property_;
  FloatProperty* upper_limit_property_;
 
private:
  Ogre::Vector3 joint_origin_pos_;
  Ogre::Quaternion joint_origin_rot_;
  bool has_decendent_links_with_geometry_;
 
  bool doing_set_checkbox_; // prevents updateChildVisibility() from  touching children
 
  Axes* axes_;
  Arrow* axis_;
};
 
} // namespace rviz
 
#endif // RVIZ_ROBOT_LINK_H