#ifndef VIEWER_H
#define VIEWER_H

#include <QWidget>

class QLabel;

class Viewer : public QWidget {
    public:
        Viewer(QWidget *parent = nullptr, Qt::WindowFlags f = Qt::WindowFlags());
        void setFile(const QString &file, bool allFiles = true);
        void setFiles(const QStringList &files);
        void preview(const QString &file);

    protected:
        virtual void wheelEvent(QWheelEvent *event);

    private slots:
        void displayFile(int index);

    private:
        int mCurIndex;
        QLabel *mLabel;
        QStringList mFiles;
        QSize mMaxSize;
};

#endif // VIEWER_H