viewerwindow.h

#ifndef VIEWERWINDOW_H
#define VIEWERWINDOW_H

#include <QOpenGLWidget>
#include <QTimer>

class QMutex;
class QMenu;
class QShortcut;

class ViewerWindow : public QOpenGLWidget {
    Q_OBJECT
public:
    ViewerWindow(QWidget *parent);
    void set_texture(GLuint t, double iar, QMutex *imutex);
protected:
    virtual void keyPressEvent(QKeyEvent*) override;
    virtual void mousePressEvent(QMouseEvent*) override;
    virtual void mouseMoveEvent(QMouseEvent*) override;

    virtual void paintGL() override;
private:
    GLuint texture;
    double ar;
    QMutex* mutex;

    // exit full screen message
    QTimer fullscreen_msg_timer;
    bool show_fullscreen_msg;
    QRect fullscreen_msg_rect;
private slots:
    void fullscreen_msg_timeout();
};

#endif // VIEWERWINDOW_H