#ifndef DISPLAYWIDGET_H
#define DISPLAYWIDGET_H
#include <QWidget>
#include <QVector>
#include <QPoint>
#include <QImage>
#include <QMatrix>
#include "structures.h"
/**
 */
class QSettings;
class DisplayWidget : public QWidget {
  Q_OBJECT
  QVector<int> ACopy;
  QVector<int> BCopy;
  QMatrix  m_forward;
  QMatrix  m_inverse;
  QImage   background;
  TrigerSettings * m_ts;
  QPolygonF   ChA, ChB;
  MOVE_ITEMS  m_items;
  int         m_timeBase;
  int         m_ChBase;
  double      x_lenght;
  struct MarkSetting {
    double a,b;
  }           m_time, m_volt;
  enum MARKER_ENUM {
    MARKER_TIME = 0,
    MARKER_VOLT,
  }          marker_type;
  unsigned   m_timeCount;
  public:
    explicit DisplayWidget (QWidget * p);
    virtual ~DisplayWidget ();
    void     setTrigger    (TrigerSettings * ts);
    void     TriggerValues (int n);
    void     TimeBaseRange (int n);
    void     MarkerChanged (bool);
    void     saveSettings  (QSettings & setting);
    void     restSettings  (QSettings & setting);
    
    void resizeEvent    (QResizeEvent * event) override;
    void paintEvent     (QPaintEvent  * event) override;
    void wheelEvent     (QWheelEvent  * event) override;
    void mousePressEvent(QMouseEvent  * event) override;
    
  public slots:
    void DispChannels  (QVector<int>, QVector<int>);
  signals:
    void SettingsChanged (int n);
  protected:
    void drawBackground ();
    void reloadData     ();
    void reloadMatrix   (const QSize & sz);
};

#endif // DISPLAYWIDGET_H