Method insertThumbnail

src/gui/UBThumbnailScene.cpp:239–270

* @brief Insert a thumbnail. * * Insert a thumbnail at the given index. This function assumes that the thumbnail pixmap files * are already moved to provide the necessary space. The pixmap for the new thumbnail can either * be provided in the corresponding pixmap file or it will be created from the scene. * * @param pageIndex Page index of the scene. * @param pageScene Optional scene. If th

 * created from the scene. Otherwise it is assumed that the pixmap file already exists.
 */
void UBThumbnailScene::insertThumbnail(int pageIndex, std::shared_ptr<UBGraphicsScene> pageScene)
{
    if (pageScene)
    {
        UBThumbnailAdaptor::persistScene(mDocument->proxy(), pageScene, pageIndex);
    }

    if (pageIndex <= mThumbnailItems.size())
    {
        if (mThumbnailItems.size() == 1)
        {
            thumbnailAt(0)->setDeletable(true);
        }

        auto thumbnailItem = new UBThumbnail;

        thumbnailItem->setPixmap(UBThumbnailAdaptor::get(mDocument->proxy(), pageIndex));
        thumbnailItem->setSceneIndex(pageIndex);

        mThumbnailItems.insert(pageIndex, thumbnailItem);
        addItem(thumbnailItem);

        renumberThumbnails(pageIndex);
        arrangeThumbnails(pageIndex);
    }

    if (mLoader)
    {
        // restart loading remaining thumbnails
        createThumbnails(pageIndex);
    }
}

void UBThumbnailScene::deleteThumbnail(int pageIndex, bool rearrange)
{