Program Listing for File canvas_click_filter.h

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#ifndef MAPVIZ_PLUGINS__CANVAS_CLICK_FILTER_H_
#define MAPVIZ_PLUGINS__CANVAS_CLICK_FILTER_H_

#include <QObject>
#include <QPoint>

namespace mapviz_plugins
{
class CanvasClickFilter : public QObject
{
  Q_OBJECT

public:
  CanvasClickFilter();

  void setMaxClickTime(qint64 max_ms);
  void setMaxClickMovement(qreal max_distance);

Q_SIGNALS:
  void pointClicked(const QPointF&);

protected:
  bool eventFilter(QObject *object, QEvent* event) override;

private:
  bool is_mouse_down_;
  QPointF mouse_down_pos_;
  qint64 mouse_down_time_;

  qint64 max_ms_;
  qreal max_distance_;
};
}   // namespace mapviz_plugins

#endif  // MAPVIZ_PLUGINS__CANVAS_CLICK_FILTER_H_