#ifndef MARKSBAR_H
#define MARKSBAR_H

//Toonz includes
#include "tcommon.h"

//Qt includes
#include <QFrame>

#undef DVAPI
#undef DVVAR
#ifdef TOONZQT_EXPORTS
#define DVAPI DV_EXPORT_API
#define DVVAR DV_EXPORT_VAR
#else
#define DVAPI DV_IMPORT_API
#define DVVAR DV_IMPORT_VAR
#endif

//=============================================================================
// MarksBar
//-----------------------------------------------------------------------------

/*!
  A MarksBar is a generalized slider with multiple values.
*/
class DVAPI MarksBar : public QFrame
{
	Q_OBJECT

protected:
	int m_min, m_max, m_sortDist;

	QVector<int> m_values;
	QVector<QColor> m_colors;
	int m_selectedMark;

	bool m_markUp;

public:
	MarksBar(QWidget *parent = 0, bool markUp = true);

	void setRange(int min, int max, int sortDistance = -1);
	int minimum() const { return m_min; }
	int maximum() const { return m_max; }
	int sortDistance() const { return m_sortDist; }

	const QVector<int> &values() const { return m_values; }
	QVector<int> &values() { return m_values; }

	const QVector<QColor> &colors() const { return m_colors; }
	QVector<QColor> &colors() { return m_colors; }

	void setMarkSide(bool up);
	bool markSide() const { return m_markUp; }

	void conformValues(bool preferRollDown = true);

protected:
	virtual void drawMark(QPainter &p, int pos, const QColor &color);

	int valToPos(int val);
	int posToVal(int pos);

	void paintEvent(QPaintEvent *pe);
	void mousePressEvent(QMouseEvent *me);
	void mouseMoveEvent(QMouseEvent *me);
	void mouseReleaseEvent(QMouseEvent *me);

signals:

	void marksUpdated();
	void marksReleased();
};

#endif //MARKSBAR_H