widget.h

#ifndef WIDGET_H
#define WIDGET_H

#include <QWidget>

class PreviewWidget;
class QProcess;

namespace Ui {
class Widget;
}

class Widget : public QWidget
{
    Q_OBJECT

public:
    explicit Widget(QWidget *parent = nullptr);
    ~Widget();

protected:
    void resizeEvent(QResizeEvent *ev);

private slots:
    void on_sourceBrowse_clicked();
    void on_sourceLoad_clicked();
    void on_sliceToClipboard_clicked();
    void preview_imageSizeChanged();
    void preview_wheelHorizontal(int delta);
    void preview_wheelVertical(int delta);
    void process_finished();
    void scrollArea_offsetChanged();

private:
    bool makeTempImage(QString filename, QRect selection);

    QString tempImageFileName;
    QString tempTextFileName;
    Ui::Widget *ui = nullptr;
    PreviewWidget *preview = nullptr;
    QProcess *process = nullptr;
};

#endif // WIDGET_H