Program Listing for File path_plugin.h

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#ifndef MAPVIZ_PLUGINS__PATH_PLUGIN_H_
#define MAPVIZ_PLUGINS__PATH_PLUGIN_H_

#include <mapviz/mapviz_plugin.h>

// QT libraries
#include <QGLWidget>
#include <QObject>
#include <QWidget>

// ROS libraries
#include <rclcpp/rclcpp.hpp>
#include <tf2/transform_datatypes.h>
#include <nav_msgs/msg/path.hpp>

#include <mapviz/map_canvas.h>
#include <mapviz_plugins/point_drawing_plugin.h>

// C++ standard libraries
#include <string>
#include <list>

// QT autogenerated files
#include "ui_path_config.h"

namespace mapviz_plugins
{
class PathPlugin : public mapviz_plugins::PointDrawingPlugin
{
  Q_OBJECT

  public:
  PathPlugin();
  ~PathPlugin() override = default;

  bool Initialize(QGLWidget* canvas) override;
  void Shutdown() override {}

  void Draw(double x, double y, double scale) override;

  void LoadConfig(const YAML::Node& node, const std::string& path) override;
  void SaveConfig(YAML::Emitter& emitter, const std::string& path) override;

  QWidget* GetConfigWidget(QWidget* parent) override;

  protected:
  void PrintError(const std::string& message) override;
  void PrintInfo(const std::string& message) override;
  void PrintWarning(const std::string& message) override;

  protected Q_SLOTS:
  void SelectTopic();
  void TopicEdited();

  private:
  Ui::path_config ui_;
  QWidget* config_widget_;

  std::string topic_;

  rclcpp::Subscription<nav_msgs::msg::Path>::SharedPtr path_sub_;
  bool has_message_;

  void pathCallback(const nav_msgs::msg::Path::SharedPtr path);
};
}   // namespace mapviz_plugins

#endif  // MAPVIZ_PLUGINS__PATH_PLUGIN_H_