C++ MythUIButtonListItem::SetImage方法代码示例

/** \fn     GalleryView::UpdateThumbnail(ImageMetadata *, int)
 *  \brief  Updates the thumbnail image of an image or
 *          folder which contains the given image metadata
 *  \param  item The item that shall be updated
 *  \param  id The thumbnail id that shall be used,
 *          there are 4 ids when the item is a folder
 *  \return void
 */
void GalleryView::UpdateThumbnail(ImageMetadata *thumbImageMetadata, int id)
{
    // get through the entire list of image items and find
    // the filename that matches the created thumbnail filename
    for (int i = 0; i < m_imageList->GetCount(); i++)
    {
        MythUIButtonListItem *item = m_imageList->GetItemAt(i);
        if (!item)
            continue;

        ImageMetadata *im = GetImageMetadataFromButton(item);
        if (!im)
            continue;

        // Set the thumbnail image if the thumbnail
        // image names at the given index are the same
        if (thumbImageMetadata->m_thumbFileNameList->at(id).compare(
                    im->m_thumbFileNameList->at(id)) == 0)
        {
            // Set the images for the four thumbnail image widgets in case
            // the node is a folder. Otherwise set the buttonimage widget.
            if (im->m_type == kUpDirectory ||
                im->m_type == kSubDirectory)
            {
                item->SetImage(thumbImageMetadata->m_thumbFileNameList->at(id),
                               QString("thumbimage%1").arg(id+1), true);
            }
            else
            {
                item->SetImage(thumbImageMetadata->m_thumbFileNameList->at(0), "", true);
            }
            break;
        }
    }
}

void ChannelRecPriority::updateList()
{
    m_channelList->Reset();

    QMap<QString, ChannelInfo*>::Iterator it;
    MythUIButtonListItem *item;
    for (it = m_sortedChannel.begin(); it != m_sortedChannel.end(); ++it)
    {
        ChannelInfo *chanInfo = *it;

        item = new MythUIButtonListItem(m_channelList, "",
                                                   qVariantFromValue(chanInfo));

        QString fontState = "default";
        if (!m_visMap[chanInfo->chanid])
            fontState = "disabled";

        QString stringFormat = item->GetText();
        if (stringFormat.isEmpty())
            stringFormat = "<num>  <sign>  \"<name>\"";
        item->SetText(chanInfo->GetFormatted(stringFormat), fontState);

        item->SetText(chanInfo->chanstr, "channum", fontState);
        item->SetText(chanInfo->callsign, "callsign", fontState);
        item->SetText(chanInfo->channame, "name", fontState);
        item->SetText(QString().setNum(chanInfo->sourceid), "sourceid",
                        fontState);
        item->SetText(chanInfo->sourcename, "sourcename", fontState);
        if (m_visMap[chanInfo->chanid])
            item->DisplayState("normal", "status");
        else
            item->DisplayState("disabled", "status");

        item->SetImage(chanInfo->iconpath, "icon");
        item->SetImage(chanInfo->iconpath);

        item->SetText(chanInfo->recpriority, "priority", fontState);

        if (m_currentItem == chanInfo)
            m_channelList->SetItemCurrent(item);
    }

    MythUIText *norecordingText = dynamic_cast<MythUIText*>
                                                (GetChild("norecordings_info"));

    if (norecordingText)
        norecordingText->SetVisible(m_channelData.isEmpty());
}

void SearchEditor::fillGrabberButtonList()
{
    for (GrabberScript::scriptList::iterator i = m_grabberList.begin();
            i != m_grabberList.end(); ++i)
    {
        MythUIButtonListItem *item =
                    new MythUIButtonListItem(m_grabbers, (*i)->GetTitle());
        if (item)
        {
            item->SetText((*i)->GetTitle(), "title");
            item->SetData(qVariantFromValue(*i));
            QString img = (*i)->GetImage();
            QString thumb;
            if (!img.startsWith("/") && !img.isEmpty())
                thumb = QString("%1mythnetvision/icons/%2").arg(GetShareDir())
                            .arg((*i)->GetImage());
            else
                thumb = img;
            item->SetImage(thumb);
            item->setCheckable(true);
            item->setChecked(MythUIButtonListItem::NotChecked);
            QFileInfo fi((*i)->GetCommandline());
            if (findSearchGrabberInDB(fi.fileName(), VIDEO))
                item->setChecked(MythUIButtonListItem::FullChecked);
        }
        else
            delete item;
    }
}

void NetSearch::customEvent(QEvent *event)
{
    if (event->type() == ThumbnailDLEvent::kEventType)
    {
        ThumbnailDLEvent *tde = (ThumbnailDLEvent *)event;
        ThumbnailData *data = tde->thumb;

        if (!data)
            return;

        QString title = data->title;
        QString file = data->url;
        uint pos = qVariantValue<uint>(data->data);

        if (file.isEmpty() || !((uint)m_searchResultList->GetCount() >= pos))
            return;

        MythUIButtonListItem *item = m_searchResultList->GetItemAt(pos);

        if (!item)
            return;

        if (item->GetText() == title)
            item->SetImage(file);

        if (m_searchResultList->GetItemCurrent() == item)
            SetThumbnail(item);
    }
    else
        NetBase::customEvent(event);
}

void NetSearch::PopulateResultList(ResultItem::resultList list)
{
    for (ResultItem::resultList::iterator i = list.begin();
            i != list.end(); ++i)
    {
        QString title = (*i)->GetTitle();
        MythUIButtonListItem *item =
            new MythUIButtonListItem(m_searchResultList, title,
                                     qVariantFromValue(*i));
        InfoMap metadataMap;
        (*i)->toMap(metadataMap);
        item->SetTextFromMap(metadataMap);

        if (!(*i)->GetThumbnail().isEmpty())
        {
            QString dlfile = (*i)->GetThumbnail();

            if (dlfile.contains("%SHAREDIR%"))
            {
                dlfile.replace("%SHAREDIR%", GetShareDir());
                item->SetImage(dlfile);
            }
            else
            {
                uint pos = m_searchResultList->GetItemPos(item);

                m_imageDownload->addThumb((*i)->GetTitle(),
                                          (*i)->GetThumbnail(),
                                          qVariantFromValue<uint>(pos));
            }
        }
    }
}

void ThumbFinder::updateThumb(void)
{
    int itemNo = m_imageGrid->GetCurrentPos();
    MythUIButtonListItem *item = m_imageGrid->GetItemCurrent();

    ThumbImage *thumb = m_thumbList.at(itemNo);
    if (!thumb)
        return;

    // copy current frame image to the selected thumb image
    QString imageFile = thumb->filename;
    QFile dst(imageFile);
    QFile src(m_frameFile);
    copy(dst, src);

    item->SetImage(imageFile, "", true);

    // update the image grid item
    int64_t pos = (int) ((m_currentPTS - m_startPTS) / m_frameTime);
    thumb->frame = pos - m_offset;
    if (itemNo != 0)
    {
        thumb->caption = frameToTime(thumb->frame);
        item->SetText(thumb->caption);
    }

    m_imageGrid->SetRedraw();
}

void MetadataResultsDialog::customEvent(QEvent *event)
{
    if (event->type() == ThumbnailDLEvent::kEventType)
    {
        ThumbnailDLEvent *tde = (ThumbnailDLEvent *)event;

        ThumbnailData *data = tde->thumb;

        QString file = data->url;
        uint pos = data->data.value<uint>();

        if (file.isEmpty())
            return;

        if (!((uint)m_resultsList->GetCount() >= pos))
            return;

        MythUIButtonListItem *item =
                  m_resultsList->GetItemAt(pos);

        if (item)
        {
            item->SetImage(file);
        }
    }
}

void ChannelRecPriority::updateList()
{
    m_channelList->Reset();

    QMap<QString, ChannelInfo*>::Iterator it;
    for (it = m_sortedChannel.begin(); it != m_sortedChannel.end(); ++it)
    {
        ChannelInfo *chanInfo = *it;

        MythUIButtonListItem *item =
               new MythUIButtonListItem(m_channelList, "",
                                                   qVariantFromValue(chanInfo));

        QString fontState = "default";

        item->SetText(chanInfo->GetFormatted(ChannelInfo::kChannelLong),
                                             fontState);

        InfoMap infomap;
        chanInfo->ToMap(infomap);
        item->SetTextFromMap(infomap, fontState);

        item->DisplayState("normal", "status");

        if (!chanInfo->icon.isEmpty())
        {
            QString iconUrl = gCoreContext->GetMasterHostPrefix("ChannelIcons",
                                                                chanInfo->icon);
            item->SetImage(iconUrl, "icon");
            item->SetImage(iconUrl);
        }

        item->SetText(QString::number(chanInfo->recpriority), "priority", fontState);

        if (m_currentItem == chanInfo)
            m_channelList->SetItemCurrent(item);
    }

    // this textarea name is depreciated use 'nochannels_warning' instead
    MythUIText *noChannelsText = dynamic_cast<MythUIText*>(GetChild("norecordings_info"));

    if (!noChannelsText)
        noChannelsText = dynamic_cast<MythUIText*>(GetChild("nochannels_warning"));

    if (noChannelsText)
        noChannelsText->SetVisible(m_channelData.isEmpty());
}

void ChannelRecPriority::updateList()
{
    m_channelList->Reset();

    QMap<QString, ChannelInfo*>::Iterator it;
    MythUIButtonListItem *item;
    for (it = m_sortedChannel.begin(); it != m_sortedChannel.end(); ++it)
    {
        ChannelInfo *chanInfo = *it;

        item = new MythUIButtonListItem(m_channelList, "",
                                                   qVariantFromValue(chanInfo));

        QString fontState = "default";
        if (!m_visMap[chanInfo->chanid])
            fontState = "disabled";

        item->SetText(chanInfo->GetFormatted(ChannelInfo::kChannelLong),
                                             fontState);

        InfoMap infomap;
        chanInfo->ToMap(infomap);
        item->SetTextFromMap(infomap, fontState);

        if (m_visMap[chanInfo->chanid])
            item->DisplayState("normal", "status");
        else
            item->DisplayState("disabled", "status");

        item->SetImage(chanInfo->iconpath, "icon");
        item->SetImage(chanInfo->iconpath);

        item->SetText(chanInfo->recpriority, "priority", fontState);

        if (m_currentItem == chanInfo)
            m_channelList->SetItemCurrent(item);
    }

    MythUIText *norecordingText = dynamic_cast<MythUIText*>
                                                (GetChild("norecordings_info"));

    if (norecordingText)
        norecordingText->SetVisible(m_channelData.isEmpty());
}

void NetSearch::customEvent(QEvent *event)
{
    if (event->type() == MythEvent::MythEventMessage)
    {
        MythEvent *me = (MythEvent *)event;

        if (me->Message().left(17) == "DOWNLOAD_COMPLETE")
        {
            QStringList tokens = me->Message()
                .split(" ", QString::SkipEmptyParts);

            if (tokens.size() != 2)
            {
                VERBOSE(VB_IMPORTANT, "Bad DOWNLOAD_COMPLETE message");
                return;
            }

            GetMythMainWindow()->HandleMedia("Internal", tokens.takeAt(1));
        }
    }
    else if (event->type() == ThumbnailDLEvent::kEventType)
    {
        ThumbnailDLEvent *tde = (ThumbnailDLEvent *)event;

        if (!tde)
            return;

        ThumbnailData *data = tde->thumb;

        if (!data)
            return;

        QString title = data->title;
        QString file = data->url;
        uint pos = qVariantValue<uint>(data->data);

        if (file.isEmpty() || !((uint)m_searchResultList->GetCount() >= pos))
        {
            delete data;
            return;
        }

        MythUIButtonListItem *item =
                  m_searchResultList->GetItemAt(pos);

        if (item && item->GetText() == title)
        {
            item->SetImage(file);
        }

        delete data;
    }
}

void NetSearch::FillGrabberButtonList()
{
    m_siteList->Reset();

    for (GrabberScript::scriptList::iterator i = m_grabberList.begin();
            i != m_grabberList.end(); ++i)
    {
        MythUIButtonListItem *item =
                    new MythUIButtonListItem(m_siteList, (*i)->GetTitle());
        item->SetText((*i)->GetTitle(), "title");
        item->SetData((*i)->GetCommandline());
        QString thumb = QString("%1mythnetvision/icons/%2").arg(GetShareDir())
                            .arg((*i)->GetImage());
        item->SetImage(thumb);
    }
}

void EditAlbumartDialog::updateImageGrid(void)
{
    AlbumArtList *albumArtList = m_albumArt->getImageList();

    m_coverartList->Reset();

    for (int x = 0; x < albumArtList->size(); x++)
    {
        MythUIButtonListItem *item =
            new MythUIButtonListItem(m_coverartList,
                                     AlbumArtImages::getTypeName(albumArtList->at(x)->imageType),
                                     qVariantFromValue(albumArtList->at(x)));
        item->SetImage(albumArtList->at(x)->filename);
        QString state = albumArtList->at(x)->embedded ? "tag" : "file";
        item->DisplayState(state, "locationstate");
    }
}

void ZMEvents::eventChanged(MythUIButtonListItem *item)
{
    (void) item;

    if (m_eventNoText)
    {
        if (m_eventGrid->GetCount() > 0)
            m_eventNoText->SetText(QString("%1/%2")
                    .arg(m_eventGrid->GetCurrentPos() + 1).arg(m_eventGrid->GetCount()));
        else
            m_eventNoText->SetText("0/0");
    }

    // update the images for all the visible items
    for (int x = m_eventGrid->GetCurrentPos() - m_eventGrid->GetVisibleCount();
         x < m_eventGrid->GetCurrentPos() + (int)m_eventGrid->GetVisibleCount(); x++)
    {
        if (x < 0 || x > (int)m_eventGrid->GetCount() - 1)
            continue;

        MythUIButtonListItem *gridItem = m_eventGrid->GetItemAt(x);
        if (gridItem && !gridItem->HasImage())
        {
            if (x < 0 || x > (int)m_eventList->size() - 1)
                continue;

            Event *event = m_eventList->at(x);
            if (event)
            {
                QImage image;
                if (class ZMClient *zm = ZMClient::get())
                {
                    zm->getAnalyseFrame(event, 0, image);
                    if (!image.isNull())
                    {
                        MythImage *mimage = GetMythPainter()->GetFormatImage();
                        mimage->Assign(image);
                        gridItem->SetImage(mimage);
                        mimage->SetChanged();
                        mimage->DecrRef();
                    }
                }
            }
        }
    }
}

void RSSEditor::fillRSSButtonList()
{
    QMutexLocker locker(&m_lock);

    m_sites->Reset();

    for (RSSSite::rssList::iterator i = m_siteList.begin();
            i != m_siteList.end(); ++i)
    {
        MythUIButtonListItem *item =
                    new MythUIButtonListItem(m_sites, (*i)->GetTitle());
        item->SetText((*i)->GetTitle(), "title");
        item->SetText((*i)->GetDescription(), "description");
        item->SetText((*i)->GetURL(), "url");
        item->SetText((*i)->GetAuthor(), "author");
        item->SetData(qVariantFromValue(*i));
        item->SetImage((*i)->GetImage());
    }
}

bool MetadataResultsDialog::Create()
{
    if (!LoadWindowFromXML("base.xml", "MythMetadataResults", this))
        return false;

    bool err = false;
    UIUtilE::Assign(this, m_resultsList, "results", &err);
    if (err)
    {
        LOG(VB_GENERAL, LOG_ERR, "Cannot load screen 'MythMetadataResults'");
        return false;
    }

    for (int i = 0;
            i != m_results.count(); ++i)
    {
        MythUIButtonListItem *button =
            new MythUIButtonListItem(m_resultsList,
                m_results[i]->GetTitle());
        InfoMap metadataMap;
        m_results[i]->toMap(metadataMap);

        QString coverartfile;
        ArtworkList art = m_results[i]->GetArtwork(kArtworkCoverart);
        if (art.count() > 0)
            coverartfile = art.takeFirst().thumbnail;

        if (coverartfile.isEmpty())
        {
            art = m_results[i]->GetArtwork(kArtworkBanner);
            if (art.count() > 0)
               coverartfile = art.takeFirst().thumbnail;
        }

        if (coverartfile.isEmpty())
        {
            art = m_results[i]->GetArtwork(kArtworkScreenshot);
            if (art.count() > 0)
                coverartfile = art.takeFirst().thumbnail;
        }

        QString dlfile = getDownloadFilename(m_results[i]->GetTitle(),
            coverartfile);

        if (!coverartfile.isEmpty())
        {
            int pos = m_resultsList->GetItemPos(button);

            if (QFile::exists(dlfile))
                button->SetImage(dlfile);
            else
                m_imageDownload->addThumb(m_results[i]->GetTitle(),
                                 coverartfile,
                                 qVariantFromValue<uint>(pos));
        }

        button->SetTextFromMap(metadataMap);
        button->SetData(qVariantFromValue<uint>(i));
    }

    connect(m_resultsList, SIGNAL(itemClicked(MythUIButtonListItem *)),
            SLOT(sendResult(MythUIButtonListItem *)));

    BuildFocusList();

    return true;
}