C++ (Cpp) slotGotPreview示例

示例#1

文件： batchprocessimagesdialog.cpp 项目： rickysarraf/digikam

void BatchProcessImagesDialog::slotImageSelected(QTreeWidgetItem * item)
{
    if (!item || m_listFiles->topLevelItemCount() == 0)
    {
        m_ui->m_imageLabel->clear();
        return;
    }

    BatchProcessImagesItem *pitem = static_cast<BatchProcessImagesItem*>(item);

    m_ui->m_imageLabel->clear();

    QString IdemIndexed = "file:" + pitem->pathSrc();

    KUrl url(IdemIndexed);

    if ( !url.isValid() )
        return;

#if KDE_IS_VERSION(4,7,0)
    KFileItemList items;
    items.append(KFileItem(KFileItem::Unknown, KFileItem::Unknown, url, true));
    KIO::PreviewJob* m_thumbJob = KIO::filePreview(items, QSize(m_ui->m_imageLabel->height(), m_ui->m_imageLabel->height()));
#else
    KIO::PreviewJob* m_thumbJob = KIO::filePreview(url, m_ui->m_imageLabel->height());
#endif

    connect(m_thumbJob, SIGNAL(gotPreview(KFileItem,QPixmap)),
            this, SLOT(slotGotPreview(KFileItem,QPixmap)));
}

示例#2

文件： krpreviewjob.cpp 项目： KDE/krusader

void KrPreviewJob::slotFailed(const KFileItem & item)
{
    slotGotPreview(item, QPixmap());
}