Method removeRows

src/program/ui/MarkerModel.cpp:208–222

}

bool MarkerModel::removeRows(int row, int count, const QModelIndex &parent)
{
    beginRemoveRows(parent, row, row+count-1);

    auto it = movie->editor->markers.cbegin();
    if (count == 1) {
        std::advance(it, row);
        movie->editor->markers.erase(it);
    }
    else {
        movie->editor->markers.erase(std::next(it, row), std::next(it, row+count-1));
    }
    endRemoveRows();
    return true;
}