display.h

#ifndef DISPLAY_H
#define DISPLAY_H

#include <QGraphicsPixmapItem>
#include <QGraphicsView>
#include <QObject>
class QGraphicsScene;
class Display;

class mousePixmapItem : public QGraphicsPixmapItem {
public:
  mousePixmapItem(Display *display, QGraphicsItem *parent = nullptr)
      : QGraphicsPixmapItem(parent), m_displ(display) {}

private:
  Display *m_displ;

protected:
  void mousePressEvent(QGraphicsSceneMouseEvent *event);
};

class Display : public QGraphicsView {
  Q_OBJECT
public:
  Display(QWidget *parent = nullptr);
public slots:
  void clean();
  void loadARGB32(uint32_t *data, uint32_t width, uint32_t height);
  void loadARGB32Scaled(uint32_t *data, uint32_t width, uint32_t height,
                        uint32_t scale);

signals:
  void leftClick(uint32_t x, uint32_t y);
  void rightClick(uint32_t x, uint32_t y);

private:
  QGraphicsScene *m_scene = nullptr;
  mousePixmapItem *m_item = nullptr;
};

#endif // DISPLAY_H