void DirModel::delayedPreview() { QHash<QUrl, QPersistentModelIndex>::const_iterator i = m_filesToPreview.constBegin(); KFileItemList list; while (i != m_filesToPreview.constEnd()) { QUrl file = i.key(); QPersistentModelIndex index = i.value(); if (!m_previewJobs.contains(file) && file.isValid()) { list.append(KFileItem(file, QString(), 0)); m_previewJobs.insert(file, QPersistentModelIndex(index)); } ++i; } if (list.size() > 0) { KIO::PreviewJob* job = KIO::filePreview(list, m_screenshotSize); job->setIgnoreMaximumSize(true); // qDebug() << "Created job" << job; connect(job, &KIO::PreviewJob::gotPreview, this, &DirModel::showPreview); connect(job, &KIO::PreviewJob::failed, this, &DirModel::previewFailed); } m_filesToPreview.clear(); }
void InformationPanelContent::showItem(const KFileItem& item) { m_pendingPreview = false; const KUrl itemUrl = item.url(); const bool isSearchUrl = itemUrl.protocol().contains("search") && item.nepomukUri().isEmpty(); if (!applyPlace(itemUrl)) { setNameLabelText(item.text()); if (isSearchUrl) { // in the case of a search-URL the URL is not readable for humans // (at least not useful to show in the Information Panel) KIconLoader iconLoader; QPixmap icon = iconLoader.loadIcon("nepomuk", KIconLoader::NoGroup, KIconLoader::SizeEnormous); m_preview->setPixmap(icon); } else { // try to get a preview pixmap from the item... m_pendingPreview = true; // Mark the currently shown preview as outdated. This is done // with a small delay to prevent a flickering when the next preview // can be shown within a short timeframe. This timer is not started // for directories, as directory previews might fail and return the // same icon. if (!item.isDir()) { m_outdatedPreviewTimer->start(); } KIO::PreviewJob* job = KIO::filePreview(KFileItemList() << item, QSize(m_preview->width(), m_preview->height())); job->setScaleType(KIO::PreviewJob::Unscaled); connect(job, SIGNAL(gotPreview(const KFileItem&, const QPixmap&)), this, SLOT(showPreview(const KFileItem&, const QPixmap&))); connect(job, SIGNAL(failed(const KFileItem&)), this, SLOT(showIcon(const KFileItem&))); } }
void ClipboardJob::start() { const QString operation = operationName(); // first check for operations not needing an item if (operation == QLatin1String("clearHistory")) { m_klipper->slotAskClearHistory(); setResult(true); emitResult(); return; } else if (operation == QLatin1String("configureKlipper")) { m_klipper->slotConfigure(); setResult(true); emitResult(); return; } // other operations need the item HistoryItemConstPtr item = m_klipper->history()->find(QByteArray::fromBase64(destination().toUtf8())); if (item.isNull()) { setResult(false); emitResult(); return; } if (operation == QLatin1String("select")) { m_klipper->history()->slotMoveToTop(item->uuid()); setResult(true); } else if (operation == QLatin1String("remove")) { m_klipper->history()->remove(item); setResult(true); } else if (operation == QLatin1String("edit")) { connect(m_klipper, &Klipper::editFinished, this, [this, item](HistoryItemConstPtr editedItem, int result) { if (item != editedItem) { // not our item return; } setResult(result); emitResult(); } ); m_klipper->editData(item); return; } else if (operation == QLatin1String("barcode")) { #ifdef HAVE_PRISON int pixelWidth = parameters().value(QStringLiteral("width")).toInt(); int pixelHeight = parameters().value(QStringLiteral("height")).toInt(); Prison::AbstractBarcode *code = nullptr; switch (parameters().value(QStringLiteral("barcodeType")).toInt()) { case 1: { code = Prison::createBarcode(Prison::DataMatrix); const int size = qMin(pixelWidth, pixelHeight); pixelWidth = size; pixelHeight = size; break; } case 2: { code = Prison::createBarcode(Prison::Code39); break; } case 3: { code = Prison::createBarcode(Prison::Code93); break; } case 0: default: { code = Prison::createBarcode(Prison::QRCode); const int size = qMin(pixelWidth, pixelHeight); pixelWidth = size; pixelHeight = size; break; } } if (code) { code->setData(item->text()); QFutureWatcher<QImage> *watcher = new QFutureWatcher<QImage>(this); connect(watcher, &QFutureWatcher<QImage>::finished, this, [this, watcher, code] { setResult(watcher->result()); watcher->deleteLater(); delete code; emitResult(); } ); auto future = QtConcurrent::run(code, &Prison::AbstractBarcode::toImage, QSizeF(pixelWidth, pixelHeight)); watcher->setFuture(future); return; } else { setResult(false); } #else setResult(false); #endif } else if (operation == QLatin1String("action")) { m_klipper->urlGrabber()->invokeAction(item); setResult(true); } else if (operation == s_previewKey) { const int pixelWidth = parameters().value(s_previewWidthKey).toInt(); const int pixelHeight = parameters().value(s_previewHeightKey).toInt(); QUrl url = parameters().value(s_urlKey).toUrl(); qCDebug(KLIPPER_LOG) << "URL: " << url; KFileItem item(url); if (pixelWidth <= 0 || pixelHeight <= 0) { qCWarning(KLIPPER_LOG) << "Preview size invalid: " << pixelWidth << "x" << pixelHeight; iconResult(item); return; } if (!url.isValid() || !url.isLocalFile()) { // no remote files qCWarning(KLIPPER_LOG) << "Invalid or non-local url for preview: " << url; iconResult(item); return; } KFileItemList urls; urls << item; KIO::PreviewJob* job = KIO::filePreview(urls, QSize(pixelWidth, pixelHeight)); job->setIgnoreMaximumSize(true); connect(job, &KIO::PreviewJob::gotPreview, this, [this](const KFileItem &item, const QPixmap &preview) { QVariantMap res; res.insert(s_urlKey, item.url()); res.insert(s_previewKey, preview); res.insert(s_iconKey, false); res.insert(s_previewWidthKey, preview.size().width()); res.insert(s_previewHeightKey, preview.size().height()); setResult(res); emitResult(); } ); connect(job, &KIO::PreviewJob::failed, this, [this](const KFileItem &item) { iconResult(item); } ); job->start(); return; } else { setResult(false); } emitResult(); }
void InformationPanelContent::showItem(const KFileItem& item) { m_pendingPreview = false; const KUrl itemUrl = item.url(); const bool isSearchUrl = itemUrl.protocol().contains("search") && item.nepomukUri().isEmpty(); if (!applyPlace(itemUrl)) { setNameLabelText(item.text()); if (isSearchUrl) { // in the case of a search-URL the URL is not readable for humans // (at least not useful to show in the Information Panel) KIconLoader iconLoader; QPixmap icon = iconLoader.loadIcon("nepomuk", KIconLoader::NoGroup, KIconLoader::SizeEnormous); m_preview->setPixmap(icon); } else { // try to get a preview pixmap from the item... m_pendingPreview = true; // Mark the currently shown preview as outdated. This is done // with a small delay to prevent a flickering when the next preview // can be shown within a short timeframe. This timer is not started // for directories, as directory previews might fail and return the // same icon. if (!item.isDir()) { m_outdatedPreviewTimer->start(); } KIO::PreviewJob* job = new KIO::PreviewJob(KFileItemList() << item, QSize(m_preview->width(), m_preview->height())); job->setScaleType(KIO::PreviewJob::Unscaled); job->setIgnoreMaximumSize(item.isLocalFile()); if (job->ui()) { job->ui()->setWindow(this); } connect(job, SIGNAL(gotPreview(KFileItem,QPixmap)), this, SLOT(showPreview(KFileItem,QPixmap))); connect(job, SIGNAL(failed(KFileItem)), this, SLOT(showIcon(KFileItem))); } } if (m_metaDataWidget) { m_metaDataWidget->show(); m_metaDataWidget->setItems(KFileItemList() << item); } if (InformationPanelSettings::previewsShown()) { const QString mimeType = item.mimetype(); const bool usePhonon = mimeType.startsWith("audio/") || mimeType.startsWith("video/"); if (usePhonon) { m_phononWidget->show(); m_phononWidget->setUrl(item.targetUrl()); if (m_preview->isVisible()) { m_phononWidget->setVideoSize(m_preview->size()); } } else { m_phononWidget->hide(); m_preview->setVisible(true); } } else { m_phononWidget->hide(); } m_item = item; }