Method renumberThumbnails

src/gui/UBThumbnailScene.cpp:455–478

}

void UBThumbnailScene::renumberThumbnails(int fromIndex, int toIndex) const
{
    if (toIndex < 0 || toIndex > mThumbnailItems.size())
    {
        toIndex = mThumbnailItems.size();
    }

    if (toIndex <= fromIndex || fromIndex >= mThumbnailItems.size())
    {
        // nothing to do
        return;
    }

    // fix index and page number of thumbnails
    for (int index = fromIndex; index < toIndex; ++index)
    {
        auto item = mThumbnailItems.at(index);

        if (item)
        {
            item->setSceneIndex(index);
        }
    }
}