diff --git a/src/panels/information/informationpanelcontent.cpp b/src/panels/information/informationpanelcontent.cpp index 444261eff..363ad818d 100644 --- a/src/panels/information/informationpanelcontent.cpp +++ b/src/panels/information/informationpanelcontent.cpp @@ -1,405 +1,405 @@ /*************************************************************************** * Copyright (C) 2009 by Peter Penz * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the * * Free Software Foundation, Inc., * * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * ***************************************************************************/ #include "informationpanelcontent.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "dolphin_informationpanelsettings.h" #include "phononwidget.h" #include "pixmapviewer.h" InformationPanelContent::InformationPanelContent(QWidget* parent) : QWidget(parent), m_item(), m_previewJob(nullptr), m_outdatedPreviewTimer(nullptr), m_preview(nullptr), m_phononWidget(nullptr), m_nameLabel(nullptr), m_metaDataWidget(nullptr), m_metaDataArea(nullptr), m_placesItemModel(nullptr) { parent->installEventFilter(this); // Initialize timer for disabling an outdated preview with a small // delay. This prevents flickering if the new preview can be generated // within a very small timeframe. m_outdatedPreviewTimer = new QTimer(this); m_outdatedPreviewTimer->setInterval(300); m_outdatedPreviewTimer->setSingleShot(true); connect(m_outdatedPreviewTimer, &QTimer::timeout, this, &InformationPanelContent::markOutdatedPreview); QVBoxLayout* layout = new QVBoxLayout(this); // preview const int minPreviewWidth = KIconLoader::SizeEnormous + KIconLoader::SizeMedium; m_preview = new PixmapViewer(parent); m_preview->setMinimumWidth(minPreviewWidth); m_preview->setMinimumHeight(KIconLoader::SizeEnormous); m_phononWidget = new PhononWidget(parent); m_phononWidget->hide(); m_phononWidget->setMinimumWidth(minPreviewWidth); m_phononWidget->setAutoPlay(InformationPanelSettings::previewsAutoPlay()); connect(m_phononWidget, &PhononWidget::hasVideoChanged, this, &InformationPanelContent::slotHasVideoChanged); // name m_nameLabel = new QLabel(parent); QFont font = m_nameLabel->font(); font.setBold(true); m_nameLabel->setFont(font); m_nameLabel->setTextFormat(Qt::PlainText); m_nameLabel->setAlignment(Qt::AlignHCenter); m_nameLabel->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Fixed); const bool previewsShown = InformationPanelSettings::previewsShown(); m_preview->setVisible(previewsShown); m_metaDataWidget = new Baloo::FileMetaDataWidget(parent); m_metaDataWidget->setDateFormat(static_cast(InformationPanelSettings::dateFormat())); connect(m_metaDataWidget, &Baloo::FileMetaDataWidget::urlActivated, this, &InformationPanelContent::urlActivated); m_metaDataWidget->setFont(QFontDatabase::systemFont(QFontDatabase::SmallestReadableFont)); m_metaDataWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Minimum); // Configuration m_configureLabel = new QLabel(i18nc("@label::textbox", "Select which data should be shown:"), this); m_configureLabel->setWordWrap(true); m_configureLabel->setVisible(false); m_configureButtons = new QDialogButtonBox(QDialogButtonBox::Save | QDialogButtonBox::Cancel); m_configureButtons->setVisible(false); connect(m_configureButtons, &QDialogButtonBox::accepted, this, [this]() { m_metaDataWidget->setConfigurationMode(Baloo::ConfigurationMode::Accept); m_configureButtons->setVisible(false); m_configureLabel->setVisible(false); emit configurationFinished(); } ); connect(m_configureButtons, &QDialogButtonBox::rejected, this, [this]() { m_metaDataWidget->setConfigurationMode(Baloo::ConfigurationMode::Cancel); m_configureButtons->setVisible(false); m_configureLabel->setVisible(false); emit configurationFinished(); } ); m_metaDataArea = new QScrollArea(parent); m_metaDataArea->setWidget(m_metaDataWidget); m_metaDataArea->setWidgetResizable(true); m_metaDataArea->setFrameShape(QFrame::NoFrame); QWidget* viewport = m_metaDataArea->viewport(); viewport->installEventFilter(this); layout->addWidget(m_preview); layout->addWidget(m_phononWidget); layout->addWidget(m_nameLabel); layout->addWidget(new KSeparator()); layout->addWidget(m_configureLabel); layout->addWidget(m_metaDataArea); layout->addWidget(m_configureButtons); m_placesItemModel = new PlacesItemModel(this); } InformationPanelContent::~InformationPanelContent() { InformationPanelSettings::self()->save(); } void InformationPanelContent::showItem(const KFileItem& item) { if (item != m_item) { m_item = item; - refreshPreview(); refreshMetaData(); } + refreshPreview(); } void InformationPanelContent::refreshPreview() { // If there is a preview job, kill it to prevent that we have jobs for // multiple items running, and thus a race condition (bug 250787). if (m_previewJob) { m_previewJob->kill(); } setNameLabelText(m_item.text()); if (InformationPanelSettings::previewsShown()) { const QUrl itemUrl = m_item.url(); const bool isSearchUrl = itemUrl.scheme().contains(QStringLiteral("search")) && m_item.localPath().isEmpty(); if (isSearchUrl) { m_preview->show(); // in the case of a search-URL the URL is not readable for humans // (at least not useful to show in the Information Panel) m_preview->setPixmap( QIcon::fromTheme(QStringLiteral("nepomuk")).pixmap(KIconLoader::SizeEnormous, KIconLoader::SizeEnormous) ); } else { // try to get a preview pixmap from the item... // 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 (!m_item.isDir()) { m_outdatedPreviewTimer->start(); } QStringList plugins = KIO::PreviewJob::availablePlugins(); m_previewJob = new KIO::PreviewJob(KFileItemList() << m_item, QSize(m_preview->width(), m_preview->height()), &plugins); m_previewJob->setScaleType(KIO::PreviewJob::Unscaled); m_previewJob->setIgnoreMaximumSize(m_item.isLocalFile()); if (m_previewJob->uiDelegate()) { KJobWidgets::setWindow(m_previewJob, this); } connect(m_previewJob.data(), &KIO::PreviewJob::gotPreview, this, &InformationPanelContent::showPreview); connect(m_previewJob.data(), &KIO::PreviewJob::failed, this, &InformationPanelContent::showIcon); const QString mimeType = m_item.mimetype(); const bool isVideo = mimeType.startsWith(QLatin1String("video/")); const bool usePhonon = mimeType.startsWith(QLatin1String("audio/")) || isVideo; if (usePhonon) { if (InformationPanelSettings::previewsAutoPlay() && isVideo) { // hides the preview now to avoid flickering when the autoplay video starts m_preview->hide(); } else { // the video won't play before the preview is displayed m_preview->show(); } m_phononWidget->show(); m_phononWidget->setUrl(m_item.targetUrl(), isVideo ? PhononWidget::MediaKind::Video : PhononWidget::MediaKind::Audio); m_phononWidget->setVideoSize(m_preview->size()); } else { // When we don't need it, hide the phonon widget first to avoid flickering m_phononWidget->hide(); m_preview->show(); } } } else { m_preview->hide(); m_phononWidget->hide(); } } void InformationPanelContent::configureShownProperties() { m_configureLabel->setVisible(true); m_configureButtons->setVisible(true); m_metaDataWidget->setConfigurationMode(Baloo::ConfigurationMode::ReStart); } void InformationPanelContent::refreshMetaData() { m_metaDataWidget->setDateFormat(static_cast(InformationPanelSettings::dateFormat())); m_metaDataWidget->show(); m_metaDataWidget->setItems(KFileItemList() << m_item); } void InformationPanelContent::showItems(const KFileItemList& items) { // If there is a preview job, kill it to prevent that we have jobs for // multiple items running, and thus a race condition (bug 250787). if (m_previewJob) { m_previewJob->kill(); } m_preview->setPixmap( QIcon::fromTheme(QStringLiteral("dialog-information")).pixmap(KIconLoader::SizeEnormous, KIconLoader::SizeEnormous) ); setNameLabelText(i18ncp("@label", "%1 item selected", "%1 items selected", items.count())); m_metaDataWidget->setItems(items); m_phononWidget->hide(); m_item = KFileItem(); } bool InformationPanelContent::eventFilter(QObject* obj, QEvent* event) { switch (event->type()) { case QEvent::Resize: { QResizeEvent* resizeEvent = static_cast(event); if (obj == m_metaDataArea->viewport()) { // The size of the meta text area has changed. Adjust the fixed // width in a way that no horizontal scrollbar needs to be shown. m_metaDataWidget->setFixedWidth(resizeEvent->size().width()); } else if (obj == parent()) { adjustWidgetSizes(resizeEvent->size().width()); } break; } case QEvent::Polish: adjustWidgetSizes(parentWidget()->width()); break; case QEvent::FontChange: m_metaDataWidget->setFont(QFontDatabase::systemFont(QFontDatabase::SmallestReadableFont)); break; default: break; } return QWidget::eventFilter(obj, event); } void InformationPanelContent::showIcon(const KFileItem& item) { m_outdatedPreviewTimer->stop(); QPixmap pixmap = QIcon::fromTheme(item.iconName()).pixmap(KIconLoader::SizeEnormous, KIconLoader::SizeEnormous); KIconLoader::global()->drawOverlays(item.overlays(), pixmap, KIconLoader::Desktop); m_preview->setPixmap(pixmap); } void InformationPanelContent::showPreview(const KFileItem& item, const QPixmap& pixmap) { m_outdatedPreviewTimer->stop(); Q_UNUSED(item); QPixmap p = pixmap; KIconLoader::global()->drawOverlays(item.overlays(), p, KIconLoader::Desktop); m_preview->setPixmap(p); } void InformationPanelContent::markOutdatedPreview() { KIconEffect *iconEffect = KIconLoader::global()->iconEffect(); QPixmap disabledPixmap = iconEffect->apply(m_preview->pixmap(), KIconLoader::Desktop, KIconLoader::DisabledState); m_preview->setPixmap(disabledPixmap); } KFileItemList InformationPanelContent::items() { return m_metaDataWidget->items(); } void InformationPanelContent::slotHasVideoChanged(bool hasVideo) { m_preview->setVisible(InformationPanelSettings::previewsShown() && !hasVideo); } void InformationPanelContent::setPreviewAutoPlay(bool autoPlay) { m_phononWidget->setAutoPlay(autoPlay); } void InformationPanelContent::setNameLabelText(const QString& text) { QTextOption textOption; textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere); const QString processedText = Qt::mightBeRichText(text) ? text : KStringHandler::preProcessWrap(text); QTextLayout textLayout(processedText); textLayout.setFont(m_nameLabel->font()); textLayout.setTextOption(textOption); QString wrappedText; wrappedText.reserve(processedText.length()); // wrap the text to fit into the width of m_nameLabel textLayout.beginLayout(); QTextLine line = textLayout.createLine(); while (line.isValid()) { line.setLineWidth(m_nameLabel->width()); wrappedText += processedText.midRef(line.textStart(), line.textLength()); line = textLayout.createLine(); if (line.isValid()) { wrappedText += QChar::LineSeparator; } } textLayout.endLayout(); m_nameLabel->setText(wrappedText); } void InformationPanelContent::adjustWidgetSizes(int width) { // If the text inside the name label or the info label cannot // get wrapped, then the maximum width of the label is increased // so that the width of the information panel gets increased. // To prevent this, the maximum width is adjusted to // the current width of the panel. const int maxWidth = width - style()->layoutSpacing(QSizePolicy::DefaultType, QSizePolicy::DefaultType, Qt::Horizontal) * 4; m_nameLabel->setMaximumWidth(maxWidth); // The metadata widget also contains a text widget which may return // a large preferred width. m_metaDataWidget->setMaximumWidth(maxWidth); // try to increase the preview as large as possible m_preview->setSizeHint(QSize(maxWidth, maxWidth)); if (m_phononWidget->isVisible()) { // assure that the size of the video player is the same as the preview size m_phononWidget->setVideoSize(QSize(maxWidth, maxWidth)); } }