#ifndef IMAGEVIEWWIDGET_H

#define IMAGEVIEWWIDGET_H

#include <QScrollBar>

#include <QWidget>

#include "Git.h"

#include "MainWindow.h"

#include "AbstractCharacterBasedApplication.h"

class FileDiffWidget;

class FileDiffSliderWidget;

class ImageViewWidget : public QWidget {

Q_OBJECT

private:

struct Private;

Private *m;

bool isValidImage() const;

QSize imageSize() const;

QSizeF imageScrollRange() const;

void internalScrollImage(double x, double y);

void scrollImage(double x, double y);

void setImageScale(double scale);

QBrush getTransparentBackgroundBrush();

bool hasFocus() const;

void setScrollBarRange(QScrollBar *h, QScrollBar *v);

void updateScrollBarRange();

protected:

QMainWindow *mainwindow();

void resizeEvent(QResizeEvent *) override;

void paintEvent(QPaintEvent *) override;

void mousePressEvent(QMouseEvent *event) override;

void mouseMoveEvent(QMouseEvent *event) override;

void wheelEvent(QWheelEvent *) override;

public:

explicit ImageViewWidget(QWidget *parent = nullptr);

~ImageViewWidget() override;

void bind(FileDiffWidget *filediffwidget, QScrollBar *vsb, QScrollBar *hsb);

void clear();

void setImage(std::string mimetype, QByteArray const &ba);

void setLeftBorderVisible(bool f);

void reflectScrollBar();

static QString formatText(const Document::Line &line2);

signals:

void scrollByWheel(int lines);

};

#endif // IMAGEVIEWWIDGET_H