pxmlw6n2f/Gazebo_Distributed_TCP/gazebo/gui/model/JointMaker.hh

500 lines
18 KiB
C++

/*
* Copyright (C) 2014 Open Source Robotics Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef _GAZEBO_GUI_JOINTMAKER_HH_
#define _GAZEBO_GUI_JOINTMAKER_HH_
#include <map>
#include <memory>
#include <string>
#include <vector>
#include <ignition/math/Pose3.hh>
#include <ignition/math/Vector3.hh>
#include <sdf/sdf.hh>
#include "gazebo/common/CommonTypes.hh"
#include "gazebo/gui/qt.h"
#include "gazebo/msgs/msgs.hh"
#include "gazebo/rendering/RenderTypes.hh"
#include "gazebo/util/system.hh"
namespace Ogre
{
class BillboardSet;
}
namespace boost
{
class recursive_mutex;
}
namespace gazebo
{
namespace common
{
class KeyEvent;
class MouseEvent;
}
namespace rendering
{
class DynamicLines;
}
namespace gui
{
class JointData;
class JointInspector;
// Forward declare private data.
class JointMakerPrivate;
/// \addtogroup gazebo_gui
/// \{
/// \class JointMaker JointMaker.hh
/// \brief Handles the creation of joints in the model editor.
class GZ_GUI_VISIBLE JointMaker : public QObject
{
Q_OBJECT
/// \enum Joint types
/// \brief Unique identifiers for joint types that can be created.
public: enum JointType
{
/// \brief none
JOINT_NONE,
/// \brief Fixed joint
JOINT_FIXED,
/// \brief Slider joint
JOINT_SLIDER,
/// \brief Hinge joint
JOINT_HINGE,
/// \brief Hinge2 joint
JOINT_HINGE2,
/// \brief Screw joint
JOINT_SCREW,
/// \brief Universal joint
JOINT_UNIVERSAL,
/// \brief Ball joint
JOINT_BALL,
/// \brief Gearbox joint
JOINT_GEARBOX
};
/// \brief Constructor
public: JointMaker();
/// \brief Destructor
public: virtual ~JointMaker();
/// \brief Reset the joint maker;
public: void Reset();
/// \brief Enable the mouse and key event handlers for the joint maker
public: void EnableEventHandlers();
/// \brief Disable the mouse and key event handlers for the joint maker
public: void DisableEventHandlers();
/// \brief Add a joint
/// \param[in] _type Type of joint to be added in string.
public: void AddJoint(const std::string &_type);
/// \brief Add a joint
/// \param[in] _type Type of joint to be added
public: void AddJoint(const JointType _type);
/// \brief Create a joint with parent and child.
/// \param[in] _parent Parent of the joint.
/// \param[in] _child Child of the joint.
/// \return Joint data.
public: JointData *CreateJoint(const rendering::VisualPtr &_parent,
const rendering::VisualPtr &_child);
/// \brief Helper method to create hotspot visual for mouse interaction.
/// \param[in] _joint Joint data used for creating the hotspot
/// \return Joint id, empty if hotspot creation failed.
public: std::string CreateHotSpot(JointData *_joint);
/// \brief Update callback on PreRender.
public: void Update();
/// \brief Remove joint by name.
/// \param[in] _jointName Name of joint to be removed, or an empty string
/// to remove the new joint under creation.
public: void RemoveJoint(const std::string &_jointName);
/// \brief Remove all joints connected to link.
/// \param[in] _linkName Name of the link.
public: void RemoveJointsByLink(const std::string &_linkName);
/// \brief Get a vector containing data for all joints connected to
/// the given link.
/// \param[in] _linkName Name of the link.
/// \return Vector with joint data.
public: std::vector<JointData *> JointDataByLink(
const std::string &_linkName) const;
/// \brief Generate SDF for all joints.
public: void GenerateSDF();
/// \brief Get model SDF element containing all joints.
/// \return Pointer to SDF element.
public: sdf::ElementPtr SDF() const;
/// \brief Get the axis count for joint type.
/// \param[in] _type Type of joint.
/// \return Axis count.
public: static unsigned int JointAxisCount(
const JointMaker::JointType _type);
/// \brief Get the joint type in string.
/// \param[in] _type Type of joint.
/// \return Joint type in string.
public: static std::string TypeAsString(
const JointMaker::JointType _type);
/// \brief Convert a joint type string to enum.
/// \param[in] _type Joint type in string.
/// \return Joint type enum.
public: static JointType ConvertJointType(const std::string &_type);
/// \brief Get the material for the joint type.
/// \param[in] _type Type of joint.
/// \return Name of material.
public: static std::string JointMaterial(const std::string &_type);
/// \brief Get state
/// \return Current state of the joint maker. If mouse is enabled to
/// create a new joint, it returns the type of joint. Otherwise, it
/// returns JOINT_NONE.
public: JointMaker::JointType State() const;
/// \brief Stop the process of adding joint to the model.
public: void Stop();
/// \brief Get the number of joints added.
/// \return Number of joints.
public: unsigned int JointCount();
/// \brief Create a joint from SDF. This is mainly used when editing
/// existing models.
/// \param[in] _jointElement SDF element to load.
/// \param[in] _modelName Name of the model that contains this joint.
public: void CreateJointFromSDF(sdf::ElementPtr _jointElem,
const std::string &_modelName = "");
/// \brief Add a scoped link name. Nested model's link names are scoped
/// but the parent and child field in the joint SDF element may not be.
/// So keep track of scoped link names in order to generate the correct
/// SDF before spawning the model.
/// \param[in] _name Scoped link name.
public: void AddScopedLinkName(const std::string &_name);
/// \brief Qt Callback to show / hide joint visuals.
/// \param[in] _show True to show joints, false to hide them.
public slots: void ShowJoints(const bool _show);
/// \brief Set the select state of a joint.
/// \param[in] _name Name of the joint.
/// \param[in] _selected True to select the joint.
public: void SetSelected(const std::string &_name, const bool selected);
/// \brief Set the select state of a joint visual.
/// \param[in] _jointVis Pointer to the joint visual.
/// \param[in] _selected True to select the joint.
public: void SetSelected(const rendering::VisualPtr &_jointVis,
const bool selected);
/// \brief Get the list of links.
/// \return The list of links, with the link scoped name and leaf name.
public: std::map<std::string, std::string> LinkList() const;
/// \brief A new type for the joint being created has been chosen.
/// To be used by other classes.
/// \param[in] _typeInt Integer corresponding to joint type enum.
public slots: void OnType(const int _typeInt);
/// \brief A new axis for the joint being created has been chosen.
/// To be used by other classes.
/// \param[in] _axis Axis which was changed, either "axis1" or "axis2".
/// \param[in] _value New value for the axis
public slots: void SetAxis(const std::string &_axis,
const ignition::math::Vector3d &_value);
/// \brief A new joint pose for the joint being created has been chosen.
/// To be used by other classes.
/// \param[in] _pose New joint pose.
public: void SetJointPose(const ignition::math::Pose3d &_pose);
/// \brief A new parent link for the joint being created has been chosen.
/// To be used by other classes.
/// \sa SetParentLink(const rendering::VisualPtr &_parentLink)
/// \param[in] _name Link name, either the leaf or scoped.
public: void SetParentLink(const std::string &_name);
/// \brief A new child link for the joint being created has been chosen.
/// To be used by other classes.
/// \sa SetChildLink(const rendering::VisualPtr &_childLink)
/// \param[in] _name Link name, either the leaf or scoped.
public: void SetChildLink(const std::string &_name);
/// \brief A new relative pose for the child link of the joint being
/// created hass been chosen. The pose is expressed in the parent link
/// frame. This has no effect if triggered before both links are chosen.
/// \param[in] _pose New pose.
/// \param[in] _resetAll Set to true to reset the relative pose to the
/// original one.
/// \paran[in] _resetAxis Reset only the given axis 0 == x, 1 == y, 2 == z
public: void SetLinksRelativePose(
const ignition::math::Pose3d &_pose, const bool _resetAll,
const int _resetAxis = -1);
/// \brief Align the parent and child links of the joint being created.
/// \param[in] _childToParent True to align the child to the parent,
/// false to align the parent to the child.
/// \param[in] _axis Axis of alignment (x/y/z)
/// \param[in] _mode Alignment mode (min/center/max)
/// \param[in] _reverse True to reverse alignment.
public: void AlignLinks(const bool _childToParent,
const std::string &_axis, const std::string &_mode,
const bool _reverse);
/// \brief Finalize joint creation.
public: void FinalizeCreation();
/// \brief Mouse event filter callback when mouse button is pressed.
/// \param[in] _event The mouse event.
/// \return True if the event was handled
private: bool OnMousePress(const common::MouseEvent &_event);
/// \brief Mouse event filter callback when mouse button is released.
/// \param[in] _event The mouse event.
/// \return True if the event was handled
private: bool OnMouseRelease(const common::MouseEvent &_event);
/// \brief Mouse event filter callback when mouse is moved.
/// \param[in] _event The mouse event.
/// \return True if the event was handled
private: bool OnMouseMove(const common::MouseEvent &_event);
/// \brief Mouse event filter callback when mouse is double clicked.
/// \param[in] _event The mouse event.
/// \return True if the event was handled
private: bool OnMouseDoubleClick(const common::MouseEvent &_event);
/// \brief Key event filter callback when key is pressed.
/// \param[in] _event The key event.
/// \return True if the event was handled
private: bool OnKeyPress(const common::KeyEvent &_event);
/// \brief Get the centroid of the link visual in world coordinates.
/// \param[in] _visual Visual of the link.
/// \return Centroid in world coordinates;
private: ignition::math::Vector3d LinkWorldCentroid(
const rendering::VisualPtr &_visual);
/// \brief Open joint inspector.
/// \param[in] _name Name of joint.
private: void OpenInspector(const std::string &_name);
/// \brief Get the scoped name of a link.
/// \param[in] _name Unscoped link name.
/// \return Scoped link name.
private: std::string ScopedLinkName(const std::string &_name);
/// \brief Show a joint's context menu
/// \param[in] _joint Name of joint the context menu is associated with.
private: void ShowContextMenu(const std::string &_joint);
/// \brief Deselect all currently selected joint visuals.
private: void DeselectAll();
/// \brief Callback when an entity is selected.
/// \param[in] _name Name of entity.
/// \param[in] _mode Select mode
private: void OnSetSelectedEntity(const std::string &_name,
const std::string &_mode);
/// \brief Callback when a joint is selected.
/// \param[in] _name Name of joint.
/// \param[in] _selected True if the joint is selected, false if
/// deselected.
private: void OnSetSelectedJoint(const std::string &_name,
const bool _selected);
/// \brief Add a link to the list.
/// \param[in] _linkName Scoped link name.
private: void OnLinkInserted(const std::string &_linkName);
/// \brief Remove a link from the list.
/// \param[in] _linkName Unique link identifying name.
private: void OnLinkRemoved(const std::string &_linkName);
/// \brief Create a joint line.
/// \param[in] _name Name to give the visual that contains the joint line.
/// \param[in] _parent Parent of the joint.
/// \return joint data.
private: JointData *CreateJointLine(const std::string &_name,
const rendering::VisualPtr &_parent);
/// \brief Get a link's visual from the link's name.
/// \param[in] _name Link name, scoped or not.
/// \return Pointer to link visual.
private: rendering::VisualPtr LinkVisualFromName(
const std::string &_name);
/// \brief Set a new parent link for the joint being created.
/// \sa SetParentLink(const std::string &_name);
/// \param[in] _parentLink Pointer to the link visual.
/// \return True if successfully set new parent.
private: bool SetParentLink(const rendering::VisualPtr &_parentLink);
/// \brief Set a new child link for the joint being created.
/// \sa SetChildLink(const std::string &_name);
/// \param[in] _childLink Pointer to the link visual.
/// \return True if successfully set new child.
private: bool SetChildLink(const rendering::VisualPtr &_childLink);
/// \brief Highlight link visuals which have been moved while creating
/// a new joint.
/// \param[in] _vis Visual to be highlighted.
/// \param[in] _moved Whether it moved or not.
private: void SetVisualMoved(const rendering::VisualPtr &_vis,
const bool _moved);
/// \brief Qt signal when the joint creation process has ended.
Q_SIGNALS: void JointAdded();
/// \brief Qt signal to notify that a link has been inserted.
/// \param[in] _linkId Link's unique name.
Q_SIGNALS: void EmitLinkInserted(const std::string &_linkId);
/// \brief Qt signal to notify that a link has been removed.
/// \param[in] _linkId Link's unique name.
Q_SIGNALS: void EmitLinkRemoved(const std::string &_linkId);
/// \brief Qt Callback to open joint inspector
private slots: void OnOpenInspector();
/// \brief Qt callback when a delete signal has been emitted. This is
/// currently triggered by the context menu via right click.
private slots: void OnDelete();
/// \brief A map of joint type to its string value.
public: static std::map<JointMaker::JointType, std::string> jointTypes;
/// \brief Constant vector containing [UnitX, UnitY, UnitZ].
public: static std::vector<ignition::math::Vector3d> unitVectors;
/// \brief A map of joint type to its corresponding material.
public: static std::map<JointMaker::JointType, std::string>
jointMaterials;
/// \internal
/// \brief Pointer to private data.
private: std::unique_ptr<JointMakerPrivate> dataPtr;
};
/// \}
/// \class JointData JointData.hh
/// \brief Helper class to store joint data
class GZ_GUI_VISIBLE JointData : public QObject
{
Q_OBJECT
/// \brief Open the joint inspector.
public: void OpenInspector();
/// \brief Update this joint data. Avoid calling this directly, instead,
/// set dirty to true and this will be called on PreRender.
public: void Update();
/// \brief Update the joint message based on the other fields.
public: void UpdateMsg();
/// \brief Name of the joint.
public: std::string name;
/// \brief Visual of the dynamic line
public: rendering::VisualPtr visual;
/// \brief Joint visual.
public: rendering::JointVisualPtr jointVisual;
/// \brieft Visual of the hotspot
public: rendering::VisualPtr hotspot;
/// \brief Parent visual the joint is connected to.
public: rendering::VisualPtr parent;
/// \brief Child visual the joint is connected to.
public: rendering::VisualPtr child;
/// \internal
/// \brief Parent visual pose used to determine if updates are needed.
public: ignition::math::Pose3d parentPose;
/// \internal
/// \brief Child visual pose used to determine if updates are needed.
public: ignition::math::Pose3d childPose;
/// \internal
/// \brief Child visual scale used to determine if updates are needed.
public: ignition::math::Vector3d childScale;
/// \brief Visual line used to represent joint connecting parent and child
public: rendering::DynamicLines *line;
/// \brief Visual handle used to represent joint parent
public: Ogre::BillboardSet *handles;
/// \brief Type of joint.
public: JointMaker::JointType type;
/// \brief Last known axes values.
public: std::vector<ignition::math::Vector3d> axes;
/// \brief True if the joint needs update.
public: bool dirty;
/// \brief Msg containing joint data.
public: msgs::JointPtr jointMsg;
/// \brief Inspector for configuring joint properties.
public: JointInspector *inspector;
/// \brief Qt Callback when joint inspector is to be opened.
private slots: void OnOpenInspector();
/// \brief Qt Callback when joint inspector configurations are to be
/// applied.
private slots: void OnApply();
};
/// \}
}
}
#endif