X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/d6db9ac22c14a87a8b6c7957d2b86ce5dda3b9a3..64afe7b22622f79b34aafd54501b08120ab2fc5c:/src/panels/information/informationpanelcontent.cpp diff --git a/src/panels/information/informationpanelcontent.cpp b/src/panels/information/informationpanelcontent.cpp index 854af58ef..b2dd1582e 100644 --- a/src/panels/information/informationpanelcontent.cpp +++ b/src/panels/information/informationpanelcontent.cpp @@ -1,5 +1,5 @@ /*************************************************************************** - * Copyright (C) 2009 by Peter Penz * + * 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 * @@ -19,17 +19,26 @@ #include "informationpanelcontent.h" -#include - -#include -#include -#include -#include -#include -#include -#include -#include +#include +#include +#include +#include +#include +#include +#include +#include +#include #include +#include + +#ifndef HAVE_BALOO +#include +#else +#include +#endif + +#include +#include #include #include @@ -38,41 +47,31 @@ #include #include #include +#include #include #include +#include #include #include #include #include #include "dolphin_informationpanelsettings.h" -#include "settings/dolphinsettings.h" -#include "metadatawidget.h" -#include "metadataconfigurationdialog.h" +#include "filemetadataconfigurationdialog.h" #include "phononwidget.h" #include "pixmapviewer.h" -/** - * Helper function for sorting items with qSort() in - * InformationPanelContent::contextMenu(). - */ -bool lessThan(const QAction* action1, const QAction* action2) -{ - return action1->text() < action2->text(); -} - - InformationPanelContent::InformationPanelContent(QWidget* parent) : - Panel(parent), + QWidget(parent), m_item(), - m_pendingPreview(false), + m_previewJob(0), m_outdatedPreviewTimer(0), - m_nameLabel(0), m_preview(0), - m_previewSeparator(0), m_phononWidget(0), + m_nameLabel(0), m_metaDataWidget(0), - m_metaDataArea(0) + m_metaDataArea(0), + m_placesItemModel(0) { parent->installEventFilter(this); @@ -85,18 +84,9 @@ InformationPanelContent::InformationPanelContent(QWidget* parent) : connect(m_outdatedPreviewTimer, SIGNAL(timeout()), this, SLOT(markOutdatedPreview())); - QVBoxLayout* layout = new QVBoxLayout; + QVBoxLayout* layout = new QVBoxLayout(this); layout->setSpacing(KDialog::spacingHint()); - // name - m_nameLabel = new QLabel(parent); - QFont font = m_nameLabel->font(); - font.setBold(true); - m_nameLabel->setFont(font); - m_nameLabel->setAlignment(Qt::AlignHCenter); - m_nameLabel->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed); - m_nameLabel->setMaximumWidth(KIconLoader::SizeEnormous); - // preview const int minPreviewWidth = KIconLoader::SizeEnormous + KIconLoader::SizeMedium; @@ -105,20 +95,31 @@ InformationPanelContent::InformationPanelContent(QWidget* parent) : m_preview->setMinimumHeight(KIconLoader::SizeEnormous); m_phononWidget = new PhononWidget(parent); + m_phononWidget->hide(); m_phononWidget->setMinimumWidth(minPreviewWidth); - connect(m_phononWidget, SIGNAL(playingStarted()), - this, SLOT(slotPlayingStarted())); - connect(m_phononWidget, SIGNAL(playingStopped()), - this, SLOT(slotPlayingStopped())); + connect(m_phononWidget, SIGNAL(hasVideoChanged(bool)), + this, SLOT(slotHasVideoChanged(bool))); - m_previewSeparator = new KSeparator(parent); + // 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::Expanding, QSizePolicy::Fixed); - const bool showPreview = InformationPanelSettings::showPreview(); - m_preview->setVisible(showPreview); - m_previewSeparator->setVisible(showPreview); + const bool previewsShown = InformationPanelSettings::previewsShown(); + m_preview->setVisible(previewsShown); - m_metaDataWidget = new MetaDataWidget(parent); +#ifndef HAVE_BALOO + m_metaDataWidget = new KFileMetaDataWidget(parent); +#else + m_metaDataWidget = new Baloo::FileMetaDataWidget(parent); +#endif + m_metaDataWidget->setFont(KGlobalSettings::smallestReadableFont()); m_metaDataWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Minimum); + connect(m_metaDataWidget, SIGNAL(urlActivated(KUrl)), this, SIGNAL(urlActivated(KUrl))); // Encapsulate the MetaDataWidget inside a container that has a dummy widget // at the bottom. This prevents that the meta data widget gets vertically stretched @@ -128,9 +129,7 @@ InformationPanelContent::InformationPanelContent(QWidget* parent) : containerLayout->setContentsMargins(0, 0, 0, 0); containerLayout->setSpacing(0); containerLayout->addWidget(m_metaDataWidget); - QWidget* stretchWidget = new QWidget(metaDataWidgetContainer); - stretchWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::MinimumExpanding); - containerLayout->addWidget(stretchWidget); + containerLayout->addStretch(); m_metaDataArea = new QScrollArea(parent); m_metaDataArea->setWidget(metaDataWidgetContainer); @@ -144,13 +143,13 @@ InformationPanelContent::InformationPanelContent(QWidget* parent) : palette.setColor(viewport->backgroundRole(), QColor(Qt::transparent)); viewport->setPalette(palette); - layout->addWidget(m_nameLabel); - layout->addWidget(new KSeparator(this)); layout->addWidget(m_preview); layout->addWidget(m_phononWidget); - layout->addWidget(m_previewSeparator); + layout->addWidget(m_nameLabel); + layout->addWidget(new KSeparator()); layout->addWidget(m_metaDataArea); - parent->setLayout(layout); + + m_placesItemModel = new PlacesItemModel(this); } InformationPanelContent::~InformationPanelContent() @@ -160,55 +159,62 @@ InformationPanelContent::~InformationPanelContent() void InformationPanelContent::showItem(const KFileItem& item) { - m_pendingPreview = false; + // 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(); + } const KUrl itemUrl = item.url(); + const bool isSearchUrl = itemUrl.protocol().contains("search") && item.localPath().isEmpty(); if (!applyPlace(itemUrl)) { - // 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, - m_preview->width(), - m_preview->height(), - 0, - 0, - false, - true); + 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... + + // 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(); + } - 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&))); + m_previewJob = new KIO::PreviewJob(KFileItemList() << item, QSize(m_preview->width(), m_preview->height())); + m_previewJob->setScaleType(KIO::PreviewJob::Unscaled); + m_previewJob->setIgnoreMaximumSize(item.isLocalFile()); + if (m_previewJob->ui()) { + m_previewJob->ui()->setWindow(this); + } - setNameLabelText(itemUrl.fileName()); + connect(m_previewJob, SIGNAL(gotPreview(KFileItem,QPixmap)), + this, SLOT(showPreview(KFileItem,QPixmap))); + connect(m_previewJob, SIGNAL(failed(KFileItem)), + this, SLOT(showIcon(KFileItem))); + } } - if (m_metaDataWidget != 0) { - m_metaDataWidget->setItem(item); + if (m_metaDataWidget) { + m_metaDataWidget->show(); + m_metaDataWidget->setItems(KFileItemList() << item); } - if (InformationPanelSettings::showPreview()) { + if (InformationPanelSettings::previewsShown()) { const QString mimeType = item.mimetype(); - const bool usePhonon = Phonon::BackendCapabilities::isMimeTypeAvailable(mimeType) && - (mimeType != "image/png"); // TODO: workaround, as Phonon - // thinks it supports PNG images + const bool usePhonon = mimeType.startsWith("audio/") || mimeType.startsWith("video/"); if (usePhonon) { m_phononWidget->show(); - PhononWidget::Mode mode = mimeType.startsWith(QLatin1String("video")) - ? PhononWidget::Video - : PhononWidget::Audio; - m_phononWidget->setMode(mode); - m_phononWidget->setUrl(item.url()); - if ((mode == PhononWidget::Video) && m_preview->isVisible()) { + m_phononWidget->setUrl(item.targetUrl()); + if (m_preview->isVisible()) { m_phononWidget->setVideoSize(m_preview->size()); } } else { @@ -224,16 +230,20 @@ void InformationPanelContent::showItem(const KFileItem& item) void InformationPanelContent::showItems(const KFileItemList& items) { - m_pendingPreview = false; + // 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(); + } KIconLoader iconLoader; QPixmap icon = iconLoader.loadIcon("dialog-information", KIconLoader::NoGroup, KIconLoader::SizeEnormous); m_preview->setPixmap(icon); - setNameLabelText(i18ncp("@info", "%1 item selected", "%1 items selected", items.count())); + setNameLabelText(i18ncp("@label", "%1 item selected", "%1 items selected", items.count())); - if (m_metaDataWidget != 0) { + if (m_metaDataWidget) { m_metaDataWidget->setItems(items); } @@ -244,124 +254,120 @@ void InformationPanelContent::showItems(const KFileItemList& items) bool InformationPanelContent::eventFilter(QObject* obj, QEvent* event) { - if (event->type() == QEvent::Resize) { + 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()) { - // 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 = resizeEvent->size().width() - KDialog::spacingHint() * 4; - m_nameLabel->setMaximumWidth(maxWidth); - - // The metadata widget also contains a text widget which may return - // a large preferred width. - if (m_metaDataWidget != 0) { - m_metaDataWidget->setMaximumWidth(maxWidth); - } + adjustWidgetSizes(resizeEvent->size().width()); + } + break; + } - // try to increase the preview as large as possible - m_preview->setSizeHint(QSize(maxWidth, maxWidth)); + case QEvent::Polish: + adjustWidgetSizes(parentWidget()->width()); + break; - if (m_phononWidget->isVisible() && (m_phononWidget->mode() == PhononWidget::Video)) { - // assure that the size of the video player is the same as the preview size - m_phononWidget->setVideoSize(QSize(maxWidth, maxWidth)); - } - } + default: + break; } - return Panel::eventFilter(obj, event); + + return QWidget::eventFilter(obj, event); } -void InformationPanelContent::configureSettings() +void InformationPanelContent::configureSettings(const QList& customContextMenuActions) { KMenu popup(this); QAction* previewAction = popup.addAction(i18nc("@action:inmenu", "Preview")); previewAction->setIcon(KIcon("view-preview")); previewAction->setCheckable(true); - previewAction->setChecked(InformationPanelSettings::showPreview()); + previewAction->setChecked(InformationPanelSettings::previewsShown()); QAction* configureAction = popup.addAction(i18nc("@action:inmenu", "Configure...")); configureAction->setIcon(KIcon("configure")); + popup.addSeparator(); + foreach (QAction* action, customContextMenuActions) { + popup.addAction(action); + } + // Open the popup and adjust the settings for the // selected action. QAction* action = popup.exec(QCursor::pos()); - if (action == 0) { + if (!action) { return; } const bool isChecked = action->isChecked(); if (action == previewAction) { m_preview->setVisible(isChecked); - m_previewSeparator->setVisible(isChecked); - InformationPanelSettings::setShowPreview(isChecked); + InformationPanelSettings::setPreviewsShown(isChecked); } else if (action == configureAction) { - MetaDataConfigurationDialog dialog(m_metaDataWidget, this, Qt::Dialog); - dialog.exec(); - } - - if (!m_item.isNull() && m_item.nepomukUri().isValid()) { - showItem(m_item); + FileMetaDataConfigurationDialog* dialog = new FileMetaDataConfigurationDialog(); + dialog->setDescription(i18nc("@label::textbox", + "Select which data should be shown in the information panel:")); + dialog->setItems(m_metaDataWidget->items()); + dialog->setAttribute(Qt::WA_DeleteOnClose); + dialog->show(); + dialog->raise(); + dialog->activateWindow(); + connect(dialog, SIGNAL(destroyed()), this, SLOT(refreshMetaData())); } } void InformationPanelContent::showIcon(const KFileItem& item) { m_outdatedPreviewTimer->stop(); - m_pendingPreview = false; - if (!applyPlace(item.url())) { - m_preview->setPixmap(item.pixmap(KIconLoader::SizeEnormous)); + if (!applyPlace(item.targetUrl())) { + KIcon icon(item.iconName(), KIconLoader::global(), item.overlays()); + m_preview->setPixmap(icon.pixmap(KIconLoader::SizeEnormous)); } } void InformationPanelContent::showPreview(const KFileItem& item, - const QPixmap& pixmap) + const QPixmap& pixmap) { m_outdatedPreviewTimer->stop(); - Q_UNUSED(item); - if (m_pendingPreview) { - m_preview->setPixmap(pixmap); - m_pendingPreview = false; - } + + QPixmap p = pixmap; + KIconLoader::global()->drawOverlays(item.overlays(), p, KIconLoader::Desktop); + m_preview->setPixmap(p); } void InformationPanelContent::markOutdatedPreview() { - KIconEffect iconEffect; - QPixmap disabledPixmap = iconEffect.apply(m_preview->pixmap(), - KIconLoader::Desktop, - KIconLoader::DisabledState); + KIconEffect *iconEffect = KIconLoader::global()->iconEffect(); + QPixmap disabledPixmap = iconEffect->apply(m_preview->pixmap(), + KIconLoader::Desktop, + KIconLoader::DisabledState); m_preview->setPixmap(disabledPixmap); } -void InformationPanelContent::slotPlayingStarted() +void InformationPanelContent::slotHasVideoChanged(bool hasVideo) { - m_preview->setVisible(m_phononWidget->mode() != PhononWidget::Video); + m_preview->setVisible(!hasVideo); } -void InformationPanelContent::slotPlayingStopped() +void InformationPanelContent::refreshMetaData() { - m_preview->setVisible(true); + if (!m_item.isNull()) { + showItem(m_item); + } } bool InformationPanelContent::applyPlace(const KUrl& url) { - KFilePlacesModel* placesModel = DolphinSettings::instance().placesModel(); - int count = placesModel->rowCount(); - + const int count = m_placesItemModel->count(); for (int i = 0; i < count; ++i) { - QModelIndex index = placesModel->index(i, 0); - - if (url.equals(placesModel->url(index), KUrl::CompareWithoutTrailingSlash)) { - setNameLabelText(placesModel->text(index)); - m_preview->setPixmap(placesModel->icon(index).pixmap(128, 128)); + const PlacesItem* item = m_placesItemModel->placesItem(i); + if (item->url().equals(url, KUrl::CompareWithoutTrailingSlash)) { + setNameLabelText(item->text()); + m_preview->setPixmap(KIcon(item->icon()).pixmap(128, 128)); return true; } } @@ -374,19 +380,21 @@ void InformationPanelContent::setNameLabelText(const QString& text) QTextOption textOption; textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere); - QTextLayout textLayout(text); + 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(text.length()); + 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 += text.mid(line.textStart(), line.textLength()); + wrappedText += processedText.mid(line.textStart(), line.textLength()); line = textLayout.createLine(); if (line.isValid()) { @@ -398,4 +406,29 @@ void InformationPanelContent::setNameLabelText(const QString& text) 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 - KDialog::spacingHint() * 4; + m_nameLabel->setMaximumWidth(maxWidth); + + // The metadata widget also contains a text widget which may return + // a large preferred width. + if (m_metaDataWidget) { + 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)); + } +} + #include "informationpanelcontent.moc"