#ifndef DISPLAYWIDGET_H
#define DISPLAYWIDGET_H
#include <QWidget>
#include <QVector>
#include <QPoint>
#include <QImage>
#include <QMatrix>
#include "structures.h"
/**
 */
struct PaintColors {
  QColor colA;
  QColor colB;
  QColor colT;
  explicit PaintColors () : colA(QColor(0,255,0,255)),colB(QColor(255,64,0,255)),colT(QColor(255,255,0,255)) {}
};
class QSettings;
class DisplayWidget : public QWidget {
  Q_OBJECT
  const PaintColors pcol;
  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;
  int         m_TrgSource;
  double      x_lenght;
  struct MarkSetting {
    double a,b;
  }           m_time, m_volt;
  struct ChScale {
    double a,b;
  }           m_channels;
  struct ChOfset {
    double a,b;
  }           m_offset;
  enum MARKER_ENUM {
    MARKER_TIME = 0,
    MARKER_VOLT_A,
    MARKER_VOLT_B,
  }          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 (int n, bool b);
    void     SendVoltage   (int ch, int n);
    void     reloadChRange (int a,  int b);
    void     saveSettings  (QSettings & setting);
    void     restSettings  (QSettings & setting);
    void     SendTrigerChan(int n);
    
    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