// It's not really clear whether PgUp should be forwards or backwards,
// but mpv does at least up = forwards, so that's probably standard.
QShortcut *pgdown = new QShortcut(QKeySequence(Qt::Key_PageDown), this);
// It's not really clear whether PgUp should be forwards or backwards,
// but mpv does at least up = forwards, so that's probably standard.
QShortcut *pgdown = new QShortcut(QKeySequence(Qt::Key_PageDown), this);