C++ ThumbItem::GetCaption方法代码示例

void IconView::UpdateText(MythUIButtonListItem *item)
{
    if (!item)
    {
        if (m_positionText)
            m_positionText->Reset();
        return;
    }

    if (m_positionText)
        m_positionText->SetText(tr("%1 of %2")
                                .arg(m_imageList->IsEmpty() ? 0 : m_imageList->GetCurrentPos() + 1)
                                .arg(m_imageList->GetCount()));

    ThumbItem *thumbitem = item->GetData().value<ThumbItem *>();
    if (!thumbitem)
        return;

    if (m_crumbsText)
    {
        QString path = thumbitem->GetPath();
        path.replace(m_galleryDir, tr("Gallery Home"));
        path.replace("/", " > ");
        m_crumbsText->SetText(path);
    }

    if (m_captionText)
    {
        QString caption;
        caption = thumbitem->GetCaption();
        caption = (caption.isNull()) ? "" : caption;
        m_captionText->SetText(caption);
    }
}

void IconView::LoadDirectory(const QString &dir)
{
    if (m_thumbGen && m_thumbGen->isRunning())
        m_thumbGen->cancel();

    if (m_childCountThread && m_childCountThread->isRunning())
        m_childCountThread->cancel();

    QDir d(dir);
    if (!d.exists())
    {
        LOG(VB_GENERAL, LOG_ERR, LOC + "LoadDirectory called with " +
                QString("non-existant directory: '%1'").arg(dir));
        return;
    }

    m_showDevices = false;

    m_currDir = d.absolutePath();

    while (!m_itemList.isEmpty())
        delete m_itemList.takeFirst();

    m_itemHash.clear();
    m_imageList->Reset();

    m_isGallery = GalleryUtil::LoadDirectory(m_itemList, dir, *m_galleryFilter,
                                             false, &m_itemHash, m_thumbGen);

    if (m_thumbGen && !m_thumbGen->isRunning())
        m_thumbGen->start();

    ThumbItem *thumbitem;
    for (int x = 0; x < m_itemList.size(); x++)
    {
        thumbitem = m_itemList.at(x);

        thumbitem->InitCaption(m_showcaption);
        MythUIButtonListItem* item =
            new MythUIButtonListItem(m_imageList, thumbitem->GetCaption(), 0,
                                     true, MythUIButtonListItem::NotChecked);
        item->SetData(qVariantFromValue(thumbitem));
        if (thumbitem->IsDir())
        {
            item->DisplayState("subfolder", "nodetype");
            m_childCountThread->addFile(thumbitem->GetPath());
        }

        LoadThumbnail(thumbitem);

        if (QFile(thumbitem->GetImageFilename()).exists())
            item->SetImage(thumbitem->GetImageFilename());

        if (m_itemMarked.contains(thumbitem->GetPath()))
            item->setChecked(MythUIButtonListItem::FullChecked);
    }

    if (m_childCountThread && !m_childCountThread->isRunning())
                m_childCountThread->start();

    if (m_noImagesText)
        m_noImagesText->SetVisible(m_itemList.isEmpty());

    if (!m_itemList.isEmpty())
    {
        UpdateText(m_imageList->GetItemCurrent());
        UpdateImage(m_imageList->GetItemCurrent());
    }
}

void IconView::HandleShowDevices(void)
{
    MediaMonitor *mon = MediaMonitor::GetMediaMonitor();
#ifndef _WIN32
    if (m_currDevice && mon && mon->ValidateAndLock(m_currDevice))
    {
        m_currDevice->disconnect(this);
        mon->Unlock(m_currDevice);
    }
    else
        m_currDir = m_galleryDir;
#endif

    m_currDevice = NULL;

    m_showDevices = true;

    while (!m_itemList.isEmpty())
        delete m_itemList.takeFirst();

    m_itemHash.clear();
    m_imageList->Reset();

    m_thumbGen->cancel();
    m_childCountThread->cancel();

    // add gallery directory
    ThumbItem *item = new ThumbItem("Gallery", m_galleryDir, true);
    m_itemList.append(item);
    m_itemHash.insert(item->GetName(), item);

    if (mon)
    {
        MythMediaType type = MythMediaType(MEDIATYPE_DATA | MEDIATYPE_MGALLERY | MEDIATYPE_MVIDEO);
        QList<MythMediaDevice*> removables = mon->GetMedias(type);
        QList<MythMediaDevice*>::Iterator it = removables.begin();
        for (; it != removables.end(); ++it)
        {
            if (mon->ValidateAndLock(*it))
            {
                item = new ThumbItem(
                    (*it)->getVolumeID().isEmpty() ?
                    (*it)->getDevicePath() : (*it)->getVolumeID(),
                    (*it)->getMountPath(), true, *it);

                m_itemList.append(item);
                m_itemHash.insert(item->GetName(), item);

                mon->Unlock(*it);
            }
        }
    }

    ThumbItem *thumbitem;
    for (int x = 0; x < m_itemList.size(); x++)
    {
        thumbitem = m_itemList.at(x);

        thumbitem->InitCaption(m_showcaption);
        MythUIButtonListItem* item =
            new MythUIButtonListItem(m_imageList, thumbitem->GetCaption(), 0,
                                     true, MythUIButtonListItem::NotChecked);
        item->SetData(qVariantFromValue(thumbitem));
    }

    // exit from menu on show devices action..
    SetFocusWidget(m_imageList);
}