select_frame_dialog.h

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#ifndef MAPVIZ_SELECT_FRAME_DIALOG_H_
#define MAPVIZ_SELECT_FRAME_DIALOG_H_

#include <string>
#include <vector>

#include <boost/shared_ptr.hpp>

#include <QDialog>

QT_BEGIN_NAMESPACE
class QLineEdit;
class QListWidget;
class QPushButton;
QT_END_NAMESPACE

namespace tf {
class TransformListener;
}  // namespace tf

namespace mapviz
{
class SelectFrameDialog : public QDialog
{
  Q_OBJECT;

 public:
  static std::string selectFrame(
    boost::shared_ptr<tf::TransformListener> tf_listener,
    QWidget *parent=0);

  static std::vector<std::string> selectFrames(
    boost::shared_ptr<tf::TransformListener> tf_listener,
    QWidget *parent=0);

  SelectFrameDialog(boost::shared_ptr<tf::TransformListener> tf_listener,
                    QWidget *parent=0);
  
  void allowMultipleFrames(bool allow);

  std::string selectedFrame() const;
  std::vector<std::string> selectedFrames() const;

 private:
  void timerEvent(QTimerEvent *);
  void closeEvent(QCloseEvent *);

  std::vector<std::string> filterFrames(
    const std::vector<std::string> &) const;

 private Q_SLOTS:
  void fetchFrames();
  void updateDisplayedFrames();

 private:
  boost::shared_ptr<tf::TransformListener> tf_;
  std::vector<std::string> known_frames_;
  std::vector<std::string> displayed_frames_;
  int fetch_frames_timer_id_;

  QPushButton *ok_button_;
  QPushButton *cancel_button_;
  QListWidget *list_widget_;
  QLineEdit *name_filter_;
};  // class SelectFrameDialog
}  // namespace mapviz
#endif  // MAPVIZ_SELECT_FRAME_DIALOG_H_