#pragma once
 
#ifndef SELECTOR_H
#define SELECTOR_H
 
/**
 * @author  Fabrizio Morciano <fabrizio.morciano@gmail.com>
 */
 
#include "tgeometry.h"
#include "tstroke.h"
 
#undef DVAPI
#undef DVVAR
#ifdef TNZEXT_EXPORTS
#define DVAPI DV_EXPORT_API
#define DVVAR DV_EXPORT_VAR
#else
#define DVAPI DV_IMPORT_API
#define DVVAR DV_IMPORT_VAR
#endif
 
#include "ext/Types.h"
#include "ext/Designer.h"
 
namespace ToonzExt {
class DVAPI Selector {
  enum Selection { NONE = 0, POSITION = 1, LENGTH = 2 };
 
  Selection isSelected_;
 
  const TStroke *strokeRef_;
 
  double w_, height_, stroke_length_, original_stroke_length_, signum_,
      pixel_size_;
 
  Selection getSelection(const TPointD &pos);
 
  TPointD click_, curr_, prev_;
 
  TPointD range_;
 
  bool isVisible_;
 
  void init();
 
public:
  Selector(double stroke_length, double min_val, double max_val);
  virtual ~Selector();
 
  virtual void draw(Designer *designer);
 
  virtual void mouseDown(const TPointD &pos);
 
  virtual void mouseUp(const TPointD &pos);
 
  virtual void mouseMove(const TPointD &pos);
 
  virtual void mouseDrag(const TPointD &pos);
 
  void setStroke(const TStroke *ref);
 
  const TStroke *getStroke() const { return strokeRef_; }
 
  double getW() const { return w_; }
 
  double getLength() const;
 
  void setLength(double);
 
  bool isSelected() const { return (isVisible_ && (isSelected_ != NONE)); }
 
  void setVisibility(bool val) { isVisible_ = val; }
 
  bool isVisible() const { return isVisible_; }
 
  TPointD getUp() const;
};
}
#endif /* SELECTOR_H */