qnodedialog.h

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#ifndef QNODEDIALOG_H
#define QNODEDIALOG_H

#include <QDialog>
#include <ros/ros.h>

namespace Ui {
class QNodeDialog;
}

class QNodeDialog : public QDialog
{
  Q_OBJECT

public:
  ~QNodeDialog();
  explicit QNodeDialog(QWidget *parent = 0);

  static bool Connect(const std::string &ros_master_uri,
                      const std::string &hostname = "localhost");

private slots:
  void on_checkBoxUseEnvironment_toggled(bool checked);

  void on_pushButtonConnect_pressed();

  void on_pushButtonCancel_pressed();

private:
  Ui::QNodeDialog *ui;

};


class RosManager
{
private:
    ros::NodeHandlePtr _node;
    RosManager(): _node(nullptr) {}
    void stopROS();

public:
    static RosManager& get();
    ~RosManager();
    static ros::NodeHandlePtr getNode();
};



#endif // QNODEDIALOG_H