#pragma once

#include <LtsTimeline/ltstimeline_export.h>

#include <QPoint>


class QMouseEvent;
class QWheelEvent;


namespace LtsTimeline
{

class TimelineHeaderView;


class LTSTIMELINE_EXPORT TimelineHeaderViewMouseHandler
{

public:
  explicit TimelineHeaderViewMouseHandler(TimelineHeaderView *header);

  void mouseMoveEvent(QMouseEvent *e);
  void mousePressEvent(QMouseEvent *e);
  void mouseReleaseEvent(QMouseEvent *e);
  void wheelEvent(QWheelEvent *e);

  bool isBusy() const { return m_isIndicatorSelected || m_isResizingSection; }
  bool isIndicatorSelected() const { return m_isIndicatorSelected; }

private:

  bool isMouseWithinRangeX(int x) const;
  bool isMouseWithinRangeY(int y) const;
  bool isMouseOverIndicator(const QPoint &pos) const;

private:
  TimelineHeaderView *m_header{nullptr};
  QPoint m_lastPos;
  bool m_isLeftButtonPressed{false};
  bool m_isRightButtonPressed{false};
  bool m_hasMouseMovedLeft{false}; 
  bool m_hasMouseMovedRight{false}; 
  bool m_isIndicatorSelected{false};
  bool m_isResizingSection{false};
};

}