#pragma once

#ifndef RULER_INCLUDED

#define RULER_INCLUDED

#include <qwidget></qwidget>

#include "toonz/sceneproperties.h"

// forward declaration

class SceneViewer;

//=============================================================================

// Ruler

//-----------------------------------------------------------------------------

/*! La classe si occupa della visualizzazione e della gestione

    di una linea guida (puo' essere orizzontale o verticale)

*/

class Ruler final : public QWidget {

  Q_OBJECT

  QColor m_parentBgColor;

  Q_PROPERTY(QColor ParentBGColor READ getParentBGColor WRITE setParentBGColor)

  QColor m_scaleColor;

  Q_PROPERTY(QColor ScaleColor READ getScaleColor WRITE setScaleColor)

  QColor m_borderColor;

  Q_PROPERTY(QColor BorderColor READ getBorderColor WRITE setBorderColor)

  QColor m_handleColor;

  Q_PROPERTY(QColor HandleColor READ getHandleColor WRITE setHandleColor)

  QColor m_handleDragColor;

  Q_PROPERTY(

      QColor HandleDragColor READ getHandleDragColor WRITE setHandleDragColor)

  void setParentBGColor(const QColor &color) { m_parentBgColor = color; }

  QColor getParentBGColor() const { return m_parentBgColor; }

  void setScaleColor(const QColor &color) { m_scaleColor = color; }

  QColor getScaleColor() const { return m_scaleColor; }

  void setBorderColor(const QColor &color) { m_borderColor = color; }

  QColor getBorderColor() const { return m_borderColor; }

  void setHandleColor(const QColor &color) { m_handleColor = color; }

  QColor getHandleColor() const { return m_handleColor; }

  void setHandleDragColor(const QColor &color) { m_handleDragColor = color; }

  QColor getHandleDragColor() const { return m_handleDragColor; }

  SceneViewer *m_viewer;

  bool m_vertical;

  bool m_moving;

  bool m_hiding;

  typedef TSceneProperties::Guides Guides;

public:

  Ruler(QWidget *parent, SceneViewer *viewer, bool vertical);

  Guides &getGuides() const;

  int getGuideCount() const;

  double getGuide(int index) const;

  double getUnit() const;

  void getIndices(double origin, double iunit, int size, int &i0, int &i1,

                  int &ic) const;

  double getZoomScale() const;

  double getPan() const;

  void drawVertical(QPainter &);

  void drawHorizontal(QPainter &);

  void paintEvent(QPaintEvent *) override;

  double posToValue(const QPoint &p) const;

  void mousePressEvent(QMouseEvent *e) override;

  void mouseMoveEvent(QMouseEvent *e) override;

  void mouseReleaseEvent(QMouseEvent *e) override;

  void contextMenuEvent(QContextMenuEvent *event) override;

};

#endif