diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | src/panels/information/informationpanel.cpp | 616 | ||||
| -rw-r--r-- | src/panels/information/informationpanel.h | 100 | ||||
| -rw-r--r-- | src/panels/information/informationpanelcontent.cpp | 600 | ||||
| -rw-r--r-- | src/panels/information/informationpanelcontent.h | 139 |
5 files changed, 766 insertions, 690 deletions
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index c959899a2..83b2eb3d9 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt @@ -105,6 +105,7 @@ set(dolphin_SRCS pixmapviewer.cpp panels/information/commentwidget.cpp panels/information/informationpanel.cpp + panels/information/informationpanelcontent.cpp panels/information/metadatawidget.cpp panels/information/metatextlabel.cpp panels/information/phononwidget.cpp diff --git a/src/panels/information/informationpanel.cpp b/src/panels/information/informationpanel.cpp index a2f838087..028f0ae0c 100644 --- a/src/panels/information/informationpanel.cpp +++ b/src/panels/information/informationpanel.cpp @@ -1,5 +1,5 @@ /*************************************************************************** - * Copyright (C) 2006 by Peter Penz <[email protected]> * + * Copyright (C) 2006-2009 by Peter Penz <[email protected]> * * * * 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 * @@ -18,71 +18,14 @@ ***************************************************************************/ #include "informationpanel.h" - -#include <config-nepomuk.h> - -#include <kdialog.h> #include <kdirnotify.h> -#include <kfileitem.h> -#include <kfilemetainfo.h> -#include <kfileplacesmodel.h> -#include <kglobalsettings.h> -#include <kio/previewjob.h> -#include <kiconeffect.h> -#include <kiconloader.h> -#include <klocale.h> -#include <kmenu.h> -#include <kseparator.h> - -#ifdef HAVE_NEPOMUK - -#define DISABLE_NEPOMUK_LEGACY - -#include <Nepomuk/Resource> -#include <Nepomuk/Types/Property> -#include <Nepomuk/Variant> -#endif - -#include <Phonon/BackendCapabilities> -#include <Phonon/MediaObject> -#include <Phonon/SeekSlider> - -#include <QEvent> -#include <QInputDialog> -#include <QLabel> -#include <QPainter> -#include <QPixmap> -#include <QResizeEvent> -#include <QScrollArea> -#include <QTextLayout> -#include <QTextLine> -#include <QTimer> -#include <QScrollBar> -#include <QVBoxLayout> - -#include "dolphin_informationpanelsettings.h" -#include "settings/dolphinsettings.h" -#include "metadatawidget.h" -#include "metatextlabel.h" -#include "phononwidget.h" -#include "pixmapviewer.h" - -/** - * Helper function for sorting items with qSort() in - * InformationPanel::contextMenu(). - */ -bool lessThan(const QAction* action1, const QAction* action2) -{ - return action1->text() < action2->text(); -} - +#include <QShowEvent> +#include "informationpanelcontent.h" InformationPanel::InformationPanel(QWidget* parent) : Panel(parent), m_initialized(false), - m_pendingPreview(false), m_infoTimer(0), - m_outdatedPreviewTimer(0), m_urlChangedTimer(0), m_resetUrlTimer(0), m_shownUrl(), @@ -90,20 +33,12 @@ InformationPanel::InformationPanel(QWidget* parent) : m_invalidUrlCandidate(), m_fileItem(), m_selection(), - m_nameLabel(0), - m_preview(0), - m_previewSeparator(0), - m_phononWidget(0), - m_metaDataWidget(0), - m_metaDataSeparator(0), - m_metaTextArea(0), - m_metaTextLabel(0) + m_content(0) { } InformationPanel::~InformationPanel() { - InformationPanelSettings::self()->writeConfig(); } QSize InformationPanel::sizeHint() const @@ -174,7 +109,6 @@ void InformationPanel::requestDelayedItemInfo(const KFileItem& item) // The cursor is above the viewport. If files are selected, // show information regarding the selection. if (m_selection.size() > 0) { - m_pendingPreview = false; m_infoTimer->start(); } } else { @@ -204,170 +138,16 @@ void InformationPanel::showEvent(QShowEvent* event) void InformationPanel::resizeEvent(QResizeEvent* event) { if (isVisible()) { - // 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 = event->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); - } - - // try to increase the preview as large as possible - m_preview->setSizeHint(QSize(maxWidth, maxWidth)); - m_urlCandidate = m_shownUrl; // reset the URL candidate if a resizing is done + m_urlCandidate = m_shownUrl; m_infoTimer->start(); - - 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)); - } } Panel::resizeEvent(event); } -bool InformationPanel::eventFilter(QObject* obj, QEvent* event) -{ - // Check whether the size of the meta text area has changed and adjust - // the fixed width in a way that no horizontal scrollbar needs to be shown. - if ((obj == m_metaTextArea->viewport()) && (event->type() == QEvent::Resize)) { - QResizeEvent* resizeEvent = static_cast<QResizeEvent*>(event); - m_metaTextLabel->setFixedWidth(resizeEvent->size().width()); - } - return Panel::eventFilter(obj, event); -} - void InformationPanel::contextMenuEvent(QContextMenuEvent* event) { + m_content->configureSettings(); Panel::contextMenuEvent(event); - -#ifdef HAVE_NEPOMUK - if (showMultipleSelectionInfo()) { - return; - } - - KMenu popup(this); - - QAction* previewAction = popup.addAction(i18nc("@action:inmenu", "Preview")); - previewAction->setIcon(KIcon("view-preview")); - previewAction->setCheckable(true); - previewAction->setChecked(InformationPanelSettings::showPreview()); - - const bool metaDataAvailable = MetaDataWidget::metaDataAvailable(); - - QAction* ratingAction = popup.addAction(i18nc("@action:inmenu", "Rating")); - ratingAction->setIcon(KIcon("rating")); - ratingAction->setCheckable(true); - ratingAction->setChecked(InformationPanelSettings::showRating()); - ratingAction->setEnabled(metaDataAvailable); - - QAction* commentAction = popup.addAction(i18nc("@action:inmenu", "Comment")); - commentAction->setIcon(KIcon("text-plain")); - commentAction->setCheckable(true); - commentAction->setChecked(InformationPanelSettings::showComment()); - commentAction->setEnabled(metaDataAvailable); - - QAction* tagsAction = popup.addAction(i18nc("@action:inmenu", "Tags")); - tagsAction->setCheckable(true); - tagsAction->setChecked(InformationPanelSettings::showTags()); - tagsAction->setEnabled(metaDataAvailable); - - KConfig config("kmetainformationrc", KConfig::NoGlobals); - KConfigGroup settings = config.group("Show"); - initMetaInfoSettings(settings); - - QList<QAction*> actions; - - // Get all meta information labels that are available for - // the currently shown file item and add them to the popup. - Nepomuk::Resource res(updateFileItem().url()); - QHash<QUrl, Nepomuk::Variant> properties = res.properties(); - QHash<QUrl, Nepomuk::Variant>::const_iterator it = properties.constBegin(); - while (it != properties.constEnd()) { - Nepomuk::Types::Property prop(it.key()); - const QString key = prop.name(); - - // Meta information provided by Nepomuk that is already - // available from KFileItem should not be configurable. - bool skip = (key == "fileExtension") || - (key == "name") || - (key == "sourceModified") || - (key == "size") || - (key == "mime type"); - if (!skip) { - // Check whether there is already a meta information - // having the same label. In this case don't show it - // twice in the menu. - foreach (const QAction* action, actions) { - if (action->data().toString() == key) { - skip = true; - break; - } - } - } - - if (!skip) { - const QString label = tunedLabel(prop.label()); - QAction* action = new QAction(label, &popup); - action->setCheckable(true); - action->setChecked(settings.readEntry(key, true)); - action->setData(key); - actions.append(action); - } - - ++it; - } - - if (actions.count() > 0) { - popup.addSeparator(); - - // add all items alphabetically sorted to the popup - qSort(actions.begin(), actions.end(), lessThan); - foreach (QAction* action, actions) { - popup.addAction(action); - } - } - - // Open the popup and adjust the settings for the - // selected action. - QAction* action = popup.exec(QCursor::pos()); - if (action == 0) { - return; - } - - const bool isChecked = action->isChecked(); - if (action == previewAction) { - m_preview->setVisible(isChecked); - m_previewSeparator->setVisible(isChecked); - InformationPanelSettings::setShowPreview(isChecked); - updatePhononWidget(); - } else if (action == ratingAction) { - m_metaDataWidget->setRatingVisible(isChecked); - InformationPanelSettings::setShowRating(isChecked); - } else if (action == commentAction) { - m_metaDataWidget->setCommentVisible(isChecked); - InformationPanelSettings::setShowComment(isChecked); - } else if (action == tagsAction) { - m_metaDataWidget->setTagsVisible(isChecked); - InformationPanelSettings::setShowTags(isChecked); - } else { - settings.writeEntry(action->data().toString(), action->isChecked()); - settings.sync(); - showMetaInfo(); - } - - if (m_metaDataWidget != 0) { - const bool visible = m_metaDataWidget->isRatingVisible() || - m_metaDataWidget->isCommentVisible() || - m_metaDataWidget->areTagsVisible(); - m_metaDataSeparator->setVisible(visible); - } -#endif } void InformationPanel::showItemInfo() @@ -379,47 +159,25 @@ void InformationPanel::showItemInfo() cancelRequest(); if (showMultipleSelectionInfo()) { - 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", m_selection.count())); + m_content->showItems(m_selection); m_shownUrl = KUrl(); } else { - const KFileItem item = updateFileItem(); - const KUrl itemUrl = item.url(); - 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); - - 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&))); - - setNameLabelText(itemUrl.fileName()); + KFileItem item; + if (!m_fileItem.isNull()) { + item = m_fileItem; + } else if (!m_selection.isEmpty()) { + Q_ASSERT(m_selection.count() == 1); + item = m_selection.first(); + } else { + // no item is hovered and no selection has been done: provide + // an item for the directory represented by m_shownUrl + m_fileItem = KFileItem(KFileItem::Unknown, KFileItem::Unknown, m_shownUrl); + m_fileItem.refresh(); + item = m_fileItem; } - } - showMetaInfo(); + m_content->showItem(item); + } } void InformationPanel::slotInfoTimeout() @@ -428,36 +186,6 @@ void InformationPanel::slotInfoTimeout() showItemInfo(); } -void InformationPanel::markOutdatedPreview() -{ - KIconEffect iconEffect; - QPixmap disabledPixmap = iconEffect.apply(m_preview->pixmap(), - KIconLoader::Desktop, - KIconLoader::DisabledState); - m_preview->setPixmap(disabledPixmap); -} - -void InformationPanel::showIcon(const KFileItem& item) -{ - m_outdatedPreviewTimer->stop(); - m_pendingPreview = false; - if (!applyPlace(item.url())) { - m_preview->setPixmap(item.pixmap(KIconLoader::SizeEnormous)); - } -} - -void InformationPanel::showPreview(const KFileItem& item, - const QPixmap& pixmap) -{ - m_outdatedPreviewTimer->stop(); - - Q_UNUSED(item); - if (m_pendingPreview) { - m_preview->setPixmap(pixmap); - m_pendingPreview = false; - } -} - void InformationPanel::reset() { if (m_invalidUrlCandidate == m_shownUrl) { @@ -532,121 +260,11 @@ void InformationPanel::slotLeftDirectory(const QString& directory) } } -void InformationPanel::slotPlayingStarted() -{ - m_preview->setVisible(m_phononWidget->mode() != PhononWidget::Video); -} - -void InformationPanel::slotPlayingStopped() -{ - m_preview->setVisible(true); -} - -bool InformationPanel::applyPlace(const KUrl& url) -{ - KFilePlacesModel* placesModel = DolphinSettings::instance().placesModel(); - int count = placesModel->rowCount(); - - 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)); - return true; - } - } - - return false; -} - void InformationPanel::cancelRequest() { m_infoTimer->stop(); } -void InformationPanel::showMetaInfo() -{ - m_metaTextLabel->clear(); - - if (showMultipleSelectionInfo()) { - if (m_metaDataWidget != 0) { - KUrl::List urls; - foreach (const KFileItem& item, m_selection) { - urls.append(item.targetUrl()); - } - m_metaDataWidget->setFiles(urls); - } - - quint64 totalSize = 0; - foreach (const KFileItem& item, m_selection) { - // Only count the size of files, not dirs to match what - // DolphinViewContainer::selectionStatusBarText() does. - if (!item.isDir() && !item.isLink()) { - totalSize += item.size(); - } - } - m_metaTextLabel->add(i18nc("@label", "Total size:"), KIO::convertSize(totalSize)); - } else { - const KFileItem item = updateFileItem(); - if (item.isDir()) { - m_metaTextLabel->add(i18nc("@label", "Type:"), i18nc("@label", "Folder")); - m_metaTextLabel->add(i18nc("@label", "Modified:"), item.timeString()); - } else { - m_metaTextLabel->add(i18nc("@label", "Type:"), item.mimeComment()); - - m_metaTextLabel->add(i18nc("@label", "Size:"), KIO::convertSize(item.size())); - m_metaTextLabel->add(i18nc("@label", "Modified:"), item.timeString()); - -#ifdef HAVE_NEPOMUK - KConfig config("kmetainformationrc", KConfig::NoGlobals); - KConfigGroup settings = config.group("Show"); - initMetaInfoSettings(settings); - - Nepomuk::Resource res(item.url()); - - QHash<QUrl, Nepomuk::Variant> properties = res.properties(); - QHash<QUrl, Nepomuk::Variant>::const_iterator it = properties.constBegin(); - while (it != properties.constEnd()) { - Nepomuk::Types::Property prop(it.key()); - if (settings.readEntry(prop.name(), true)) { - // TODO #1: use Nepomuk::formatValue(res, prop) if available - // instead of it.value().toString() - // TODO #2: using tunedLabel() is a workaround for KDE 4.3 until - // we get translated labels - m_metaTextLabel->add(tunedLabel(prop.label()) + ':', it.value().toString()); - } - ++it; - } -#endif - } - - if (m_metaDataWidget != 0) { - m_metaDataWidget->setFile(item.targetUrl()); - } - } - - updatePhononWidget(); -} - -KFileItem InformationPanel::updateFileItem() -{ - if (!m_fileItem.isNull()) { - return m_fileItem; - } - - if (!m_selection.isEmpty()) { - Q_ASSERT(m_selection.count() == 1); - return m_selection.first(); - } - - // no item is hovered and no selection has been done: provide - // an item for the directory represented by m_shownUrl - m_fileItem = KFileItem(KFileItem::Unknown, KFileItem::Unknown, m_shownUrl); - m_fileItem.refresh(); - return m_fileItem; -} - bool InformationPanel::showMultipleSelectionInfo() const { return m_fileItem.isNull() && (m_selection.count() > 1); @@ -657,115 +275,12 @@ bool InformationPanel::isEqualToShownUrl(const KUrl& url) const return m_shownUrl.equals(url, KUrl::CompareWithoutTrailingSlash); } -void InformationPanel::setNameLabelText(const QString& text) -{ - QTextOption textOption; - textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere); - - QTextLayout textLayout(text); - textLayout.setFont(m_nameLabel->font()); - textLayout.setTextOption(textOption); - - QString wrappedText; - wrappedText.reserve(text.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()); - - line = textLayout.createLine(); - if (line.isValid()) { - wrappedText += QChar::LineSeparator; - } - } - textLayout.endLayout(); - - m_nameLabel->setText(wrappedText); -} - void InformationPanel::markUrlAsInvalid() { m_invalidUrlCandidate = m_shownUrl; m_resetUrlTimer->start(); } -void InformationPanel::initMetaInfoSettings(KConfigGroup& group) -{ - if (!group.readEntry("initialized", false)) { - // The resource file is read the first time. Assure - // that some meta information is disabled per default. - - static const char* disabledProperties[] = { - "asText", "contentSize", "depth", "fileExtension", - "fileName", "fileSize", "isPartOf", "mimetype", "name", - "parentUrl", "plainTextContent", "sourceModified", - "size", "url", - 0 // mandatory last entry - }; - - int i = 0; - while (disabledProperties[i] != 0) { - group.writeEntry(disabledProperties[i], false); - ++i; - } - - // mark the group as initialized - group.writeEntry("initialized", true); - } -} - -void InformationPanel::updatePhononWidget() -{ - const bool multipleSelections = showMultipleSelectionInfo(); - const bool showPreview = InformationPanelSettings::showPreview(); - - if (multipleSelections || !showPreview) { - m_phononWidget->hide(); - } else if (!multipleSelections && showPreview) { - const KFileItem item = updateFileItem(); - const QString mimeType = item.mimetype(); - const bool usePhonon = Phonon::BackendCapabilities::isMimeTypeAvailable(mimeType) && - (mimeType != "image/png"); // TODO: workaround, as Phonon - // thinks it supports PNG images - 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->setVideoSize(m_preview->size()); - } - } else { - m_phononWidget->hide(); - m_preview->setVisible(true); - } - } -} - -QString InformationPanel::tunedLabel(const QString& label) const -{ - QString tunedLabel; - const int labelLength = label.length(); - if (labelLength > 0) { - tunedLabel.reserve(labelLength); - tunedLabel = label[0].toUpper(); - for (int i = 1; i < labelLength; ++i) { - if (label[i].isUpper() && !label[i - 1].isSpace() && !label[i - 1].isUpper()) { - tunedLabel += ' '; - tunedLabel += label[i].toLower(); - } else { - tunedLabel += label[i]; - } - } - } - return tunedLabel; -} - void InformationPanel::init() { const int defaultDelay = 300; @@ -776,15 +291,6 @@ void InformationPanel::init() connect(m_infoTimer, SIGNAL(timeout()), this, SLOT(slotInfoTimeout())); - // 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(defaultDelay); - m_outdatedPreviewTimer->setSingleShot(true); - connect(m_outdatedPreviewTimer, SIGNAL(timeout()), - this, SLOT(markOutdatedPreview())); - m_urlChangedTimer = new QTimer(this); m_urlChangedTimer->setInterval(defaultDelay); m_urlChangedTimer->setSingleShot(true); @@ -797,84 +303,6 @@ void InformationPanel::init() connect(m_resetUrlTimer, SIGNAL(timeout()), this, SLOT(reset())); - QVBoxLayout* layout = new QVBoxLayout; - layout->setSpacing(KDialog::spacingHint()); - - // name - m_nameLabel = new QLabel(this); - 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; - - m_preview = new PixmapViewer(this); - m_preview->setMinimumWidth(minPreviewWidth); - m_preview->setMinimumHeight(KIconLoader::SizeEnormous); - - m_phononWidget = new PhononWidget(this); - m_phononWidget->setMinimumWidth(minPreviewWidth); - connect(m_phononWidget, SIGNAL(playingStarted()), - this, SLOT(slotPlayingStarted())); - connect(m_phononWidget, SIGNAL(playingStopped()), - this, SLOT(slotPlayingStopped())); - - m_previewSeparator = new KSeparator(this); - - const bool showPreview = InformationPanelSettings::showPreview(); - m_preview->setVisible(showPreview); - m_previewSeparator->setVisible(showPreview); - - if (MetaDataWidget::metaDataAvailable()) { - // rating, comment and tags - m_metaDataWidget = new MetaDataWidget(this); - m_metaDataWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed); - m_metaDataWidget->setMaximumWidth(KIconLoader::SizeEnormous); - - const bool showRating = InformationPanelSettings::showRating(); - const bool showComment = InformationPanelSettings::showComment(); - const bool showTags = InformationPanelSettings::showTags(); - - m_metaDataWidget->setRatingVisible(showRating); - m_metaDataWidget->setCommentVisible(showComment); - m_metaDataWidget->setTagsVisible(showTags); - - m_metaDataSeparator = new KSeparator(this); - m_metaDataSeparator->setVisible(showRating || showComment || showTags); - } - - // general meta text information - m_metaTextLabel = new MetaTextLabel(this); - m_metaTextLabel->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed); - - m_metaTextArea = new QScrollArea(this); - m_metaTextArea->setWidget(m_metaTextLabel); - m_metaTextArea->setWidgetResizable(true); - m_metaTextArea->setFrameShape(QFrame::NoFrame); - - QWidget* viewport = m_metaTextArea->viewport(); - viewport->installEventFilter(this); - - QPalette palette = viewport->palette(); - 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); - if (m_metaDataWidget != 0) { - layout->addWidget(m_metaDataWidget); - layout->addWidget(m_metaDataSeparator); - } - layout->addWidget(m_metaTextArea); - setLayout(layout); - org::kde::KDirNotify* dirNotify = new org::kde::KDirNotify(QString(), QString(), QDBusConnection::sessionBus(), this); connect(dirNotify, SIGNAL(FileRenamed(QString, QString)), SLOT(slotFileRenamed(QString, QString))); @@ -884,6 +312,8 @@ void InformationPanel::init() connect(dirNotify, SIGNAL(enteredDirectory(QString)), SLOT(slotEnteredDirectory(QString))); connect(dirNotify, SIGNAL(leftDirectory(QString)), SLOT(slotLeftDirectory(QString))); + m_content = new InformationPanelContent(this); + m_initialized = true; } diff --git a/src/panels/information/informationpanel.h b/src/panels/information/informationpanel.h index 51642068b..b83db7f70 100644 --- a/src/panels/information/informationpanel.h +++ b/src/panels/information/informationpanel.h @@ -1,5 +1,5 @@ /*************************************************************************** - * Copyright (C) 2006 by Peter Penz <[email protected]> * + * Copyright (C) 2006-2009 by Peter Penz <[email protected]> * * * * 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 * @@ -22,29 +22,7 @@ #include <panels/panel.h> -#include <QPushButton> -#include <QPixmap> -#include <QEvent> -#include <QLabel> -#include <QList> - -#include <kconfig.h> -#include <kurl.h> -#include <kmimetype.h> -#include <kdesktopfileactions.h> -#include <kvbox.h> - -class InformationPanelDialog; -class PhononWidget; -class PixmapViewer; -class MetaDataWidget; -class MetaTextLabel; -class QPixmap; -class QString; -class KFileItem; -class KSeparator; -class QLabel; -class QScrollArea; +class InformationPanelContent; /** * @brief Panel for showing meta information of one ore more selected items. @@ -85,9 +63,6 @@ protected: /** @see QWidget::resizeEvent() */ virtual void resizeEvent(QResizeEvent* event); - /** @see QObject::eventFilter() */ - virtual bool eventFilter(QObject* obj, QEvent* event); - /** @see QWidget::contextMenuEvent() */ virtual void contextMenuEvent(QContextMenuEvent* event); @@ -105,24 +80,6 @@ private slots: void slotInfoTimeout(); /** - * Marks the currently shown preview as outdated - * by greying the content. - */ - void markOutdatedPreview(); - - /** - * Is invoked if no preview is available for the item. In this - * case the icon will be shown. - */ - void showIcon(const KFileItem& item); - - /** - * Is invoked if a preview is available for the item. The preview - * \a pixmap is shown inside the info page. - */ - void showPreview(const KFileItem& item, const QPixmap& pixmap); - - /** * Resets the information panel to show the current * URL (InformationPanel::url()). Is called by * DolphinInformationPanel::markUrlAsInvalid(). @@ -136,18 +93,7 @@ private slots: void slotEnteredDirectory(const QString& directory); void slotLeftDirectory(const QString& directory); - void slotPlayingStarted(); - void slotPlayingStopped(); - private: - /** - * Checks whether the an URL is repesented by a place. If yes, - * then the place icon and name are shown instead of a preview. - * @return True, if the URL represents exactly a place. - * @param url The url to check. - */ - bool applyPlace(const KUrl& url); - /** Assures that any pending item information request is cancelled. */ void cancelRequest(); @@ -158,14 +104,6 @@ private: void showMetaInfo(); /** - * Updates the file item m_fileItem if necessary and returns - * the file item which should be used to show the meta information. - * The returned item is different from m_fileItem if a selection - * is given. - */ - KFileItem updateFileItem(); - - /** * Returns true, if the meta information should be shown for * the multiple selected items that are stored in * m_selection. If true is returned, it is assured that @@ -181,14 +119,6 @@ private: bool isEqualToShownUrl(const KUrl& url) const; /** - * Sets the text for the label \a m_nameLabel and assures that the - * text is split in a way that it can be wrapped within the - * label width (QLabel::setWordWrap() does not work if the - * text represents one extremely long word). - */ - void setNameLabelText(const QString& text); - - /** * Marks the URL as invalid and will reset the Information Panel * after a short delay. The reset is not done synchronously to * prevent expensive updates during temporary invalid URLs by @@ -196,28 +126,12 @@ private: */ void markUrlAsInvalid(); - /** - * Assures that the settings for the meta information - * are initialized with proper default values. - */ - void initMetaInfoSettings(KConfigGroup& group); - - void updatePhononWidget(); - - /** - * Temporary helper method for KDE 4.3 as we currently don't get - * translated labels for Nepmok literals: Replaces camelcase labels - * like "fileLocation" by "File Location:". - */ - QString tunedLabel(const QString& label) const; - void init(); private: bool m_initialized; bool m_pendingPreview; QTimer* m_infoTimer; - QTimer* m_outdatedPreviewTimer; QTimer* m_urlChangedTimer; QTimer* m_resetUrlTimer; @@ -237,15 +151,7 @@ private: KFileItem m_fileItem; // file item for m_shownUrl if available (otherwise null) KFileItemList m_selection; - QLabel* m_nameLabel; - PixmapViewer* m_preview; - KSeparator* m_previewSeparator; - PhononWidget* m_phononWidget; - MetaDataWidget* m_metaDataWidget; - KSeparator* m_metaDataSeparator; - - QScrollArea* m_metaTextArea; - MetaTextLabel* m_metaTextLabel; + InformationPanelContent* m_content; }; #endif // INFORMATIONPANEL_H diff --git a/src/panels/information/informationpanelcontent.cpp b/src/panels/information/informationpanelcontent.cpp new file mode 100644 index 000000000..5146e8c7e --- /dev/null +++ b/src/panels/information/informationpanelcontent.cpp @@ -0,0 +1,600 @@ +/*************************************************************************** + * Copyright (C) 2009 by Peter Penz <[email protected]> * + * * + * 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 <config-nepomuk.h> + +#include <kdialog.h> +#include <kfileitem.h> +#include <kfileplacesmodel.h> +#include <kio/previewjob.h> +#include <kiconeffect.h> +#include <kiconloader.h> +#include <klocale.h> +#include <kmenu.h> +#include <kseparator.h> + +#include <Phonon/BackendCapabilities> +#include <Phonon/MediaObject> +#include <Phonon/SeekSlider> + +#include <QEvent> +#include <QLabel> +#include <QPixmap> +#include <QResizeEvent> +#include <QScrollArea> +#include <QTextLayout> +#include <QTextLine> +#include <QTimer> +#include <QVBoxLayout> + +#include "dolphin_informationpanelsettings.h" +#include "settings/dolphinsettings.h" +#include "metadatawidget.h" +#include "metatextlabel.h" +#include "phononwidget.h" +#include "pixmapviewer.h" + +#ifdef HAVE_NEPOMUK +#define DISABLE_NEPOMUK_LEGACY +#include <Nepomuk/Resource> +#include <Nepomuk/Types/Property> +#include <Nepomuk/Variant> +#endif + +/** + * 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), + m_item(), + m_pendingPreview(false), + m_outdatedPreviewTimer(0), + m_nameLabel(0), + m_preview(0), + m_previewSeparator(0), + m_phononWidget(0), + m_metaDataWidget(0), + m_metaDataSeparator(0), + m_metaTextArea(0), + m_metaTextLabel(0) +{ + 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, SIGNAL(timeout()), + this, SLOT(markOutdatedPreview())); + + QVBoxLayout* layout = new QVBoxLayout; + 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; + + m_preview = new PixmapViewer(parent); + m_preview->setMinimumWidth(minPreviewWidth); + m_preview->setMinimumHeight(KIconLoader::SizeEnormous); + + m_phononWidget = new PhononWidget(parent); + m_phononWidget->setMinimumWidth(minPreviewWidth); + connect(m_phononWidget, SIGNAL(playingStarted()), + this, SLOT(slotPlayingStarted())); + connect(m_phononWidget, SIGNAL(playingStopped()), + this, SLOT(slotPlayingStopped())); + + m_previewSeparator = new KSeparator(parent); + + const bool showPreview = InformationPanelSettings::showPreview(); + m_preview->setVisible(showPreview); + m_previewSeparator->setVisible(showPreview); + + if (MetaDataWidget::metaDataAvailable()) { + // rating, comment and tags + m_metaDataWidget = new MetaDataWidget(parent); + m_metaDataWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed); + m_metaDataWidget->setMaximumWidth(KIconLoader::SizeEnormous); + + const bool showRating = InformationPanelSettings::showRating(); + const bool showComment = InformationPanelSettings::showComment(); + const bool showTags = InformationPanelSettings::showTags(); + + m_metaDataWidget->setRatingVisible(showRating); + m_metaDataWidget->setCommentVisible(showComment); + m_metaDataWidget->setTagsVisible(showTags); + + m_metaDataSeparator = new KSeparator(this); + m_metaDataSeparator->setVisible(showRating || showComment || showTags); + } + + // general meta text information + m_metaTextLabel = new MetaTextLabel(parent); + m_metaTextLabel->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed); + + m_metaTextArea = new QScrollArea(parent); + m_metaTextArea->setWidget(m_metaTextLabel); + m_metaTextArea->setWidgetResizable(true); + m_metaTextArea->setFrameShape(QFrame::NoFrame); + + QWidget* viewport = m_metaTextArea->viewport(); + viewport->installEventFilter(this); + + QPalette palette = viewport->palette(); + 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); + if (m_metaDataWidget != 0) { + layout->addWidget(m_metaDataWidget); + layout->addWidget(m_metaDataSeparator); + } + layout->addWidget(m_metaTextArea); + parent->setLayout(layout); +} + +InformationPanelContent::~InformationPanelContent() +{ + InformationPanelSettings::self()->writeConfig(); +} + +void InformationPanelContent::showItem(const KFileItem& item) +{ + m_pendingPreview = false; + + const KUrl itemUrl = item.url(); + 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); + + 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&))); + + setNameLabelText(itemUrl.fileName()); + } + + m_metaTextLabel->clear(); + if (item.isDir()) { + m_metaTextLabel->add(i18nc("@label", "Type:"), i18nc("@label", "Folder")); + m_metaTextLabel->add(i18nc("@label", "Modified:"), item.timeString()); + } else { + m_metaTextLabel->add(i18nc("@label", "Type:"), item.mimeComment()); + + m_metaTextLabel->add(i18nc("@label", "Size:"), KIO::convertSize(item.size())); + m_metaTextLabel->add(i18nc("@label", "Modified:"), item.timeString()); + +#ifdef HAVE_NEPOMUK + KConfig config("kmetainformationrc", KConfig::NoGlobals); + KConfigGroup settings = config.group("Show"); + initMetaInfoSettings(settings); + + Nepomuk::Resource res(item.url()); + + QHash<QUrl, Nepomuk::Variant> properties = res.properties(); + QHash<QUrl, Nepomuk::Variant>::const_iterator it = properties.constBegin(); + while (it != properties.constEnd()) { + Nepomuk::Types::Property prop(it.key()); + if (settings.readEntry(prop.name(), true)) { + // TODO #1: use Nepomuk::formatValue(res, prop) if available + // instead of it.value().toString() + // TODO #2: using tunedLabel() is a workaround for KDE 4.3 until + // we get translated labels + m_metaTextLabel->add(tunedLabel(prop.label()) + ':', it.value().toString()); + } + ++it; + } +#endif + } + + if (m_metaDataWidget != 0) { + m_metaDataWidget->setFile(item.targetUrl()); + } + + if (InformationPanelSettings::showPreview()) { + const QString mimeType = item.mimetype(); + const bool usePhonon = Phonon::BackendCapabilities::isMimeTypeAvailable(mimeType) && + (mimeType != "image/png"); // TODO: workaround, as Phonon + // thinks it supports PNG images + 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->setVideoSize(m_preview->size()); + } + } else { + m_phononWidget->hide(); + m_preview->setVisible(true); + } + } else { + m_phononWidget->hide(); + } + + m_item = item; +} + +void InformationPanelContent::showItems(const KFileItemList& items) +{ + m_pendingPreview = false; + + 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())); + + if (m_metaDataWidget != 0) { + KUrl::List urls; + foreach (const KFileItem& item, items) { + urls.append(item.targetUrl()); + } + m_metaDataWidget->setFiles(urls); + } + + quint64 totalSize = 0; + foreach (const KFileItem& item, items) { + // Only count the size of files, not dirs to match what + // DolphinViewContainer::selectionStatusBarText() does. + if (!item.isDir() && !item.isLink()) { + totalSize += item.size(); + } + } + m_metaTextLabel->clear(); + m_metaTextLabel->add(i18nc("@label", "Total size:"), KIO::convertSize(totalSize)); + + m_phononWidget->hide(); + + m_item = KFileItem(); +} + +bool InformationPanelContent::eventFilter(QObject* obj, QEvent* event) +{ + if (event->type() == QEvent::Resize) { + QResizeEvent* resizeEvent = static_cast<QResizeEvent*>(event); + if (obj == m_metaTextArea->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_metaTextLabel->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); + } + + // try to increase the preview as large as possible + m_preview->setSizeHint(QSize(maxWidth, maxWidth)); + + 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)); + } + } + } + return Panel::eventFilter(obj, event); +} + +void InformationPanelContent::configureSettings() +{ +#ifdef HAVE_NEPOMUK + if (m_item.isNull()) { + return; + } + + KMenu popup(this); + + QAction* previewAction = popup.addAction(i18nc("@action:inmenu", "Preview")); + previewAction->setIcon(KIcon("view-preview")); + previewAction->setCheckable(true); + previewAction->setChecked(InformationPanelSettings::showPreview()); + + const bool metaDataAvailable = MetaDataWidget::metaDataAvailable(); + + QAction* ratingAction = popup.addAction(i18nc("@action:inmenu", "Rating")); + ratingAction->setIcon(KIcon("rating")); + ratingAction->setCheckable(true); + ratingAction->setChecked(InformationPanelSettings::showRating()); + ratingAction->setEnabled(metaDataAvailable); + + QAction* commentAction = popup.addAction(i18nc("@action:inmenu", "Comment")); + commentAction->setIcon(KIcon("text-plain")); + commentAction->setCheckable(true); + commentAction->setChecked(InformationPanelSettings::showComment()); + commentAction->setEnabled(metaDataAvailable); + + QAction* tagsAction = popup.addAction(i18nc("@action:inmenu", "Tags")); + tagsAction->setCheckable(true); + tagsAction->setChecked(InformationPanelSettings::showTags()); + tagsAction->setEnabled(metaDataAvailable); + + KConfig config("kmetainformationrc", KConfig::NoGlobals); + KConfigGroup settings = config.group("Show"); + initMetaInfoSettings(settings); + + QList<QAction*> actions; + + // Get all meta information labels that are available for + // the currently shown file item and add them to the popup. + Nepomuk::Resource res(m_item.url()); + QHash<QUrl, Nepomuk::Variant> properties = res.properties(); + QHash<QUrl, Nepomuk::Variant>::const_iterator it = properties.constBegin(); + while (it != properties.constEnd()) { + Nepomuk::Types::Property prop(it.key()); + const QString key = prop.name(); + + // Meta information provided by Nepomuk that is already + // available from KFileItem should not be configurable. + bool skip = (key == "fileExtension") || + (key == "name") || + (key == "sourceModified") || + (key == "size") || + (key == "mime type"); + if (!skip) { + // Check whether there is already a meta information + // having the same label. In this case don't show it + // twice in the menu. + foreach (const QAction* action, actions) { + if (action->data().toString() == key) { + skip = true; + break; + } + } + } + + if (!skip) { + const QString label = tunedLabel(prop.label()); + QAction* action = new QAction(label, &popup); + action->setCheckable(true); + action->setChecked(settings.readEntry(key, true)); + action->setData(key); + actions.append(action); + } + + ++it; + } + + if (actions.count() > 0) { + popup.addSeparator(); + + // add all items alphabetically sorted to the popup + qSort(actions.begin(), actions.end(), lessThan); + foreach (QAction* action, actions) { + popup.addAction(action); + } + } + + // Open the popup and adjust the settings for the + // selected action. + QAction* action = popup.exec(QCursor::pos()); + if (action == 0) { + return; + } + + const bool isChecked = action->isChecked(); + if (action == previewAction) { + m_preview->setVisible(isChecked); + m_previewSeparator->setVisible(isChecked); + InformationPanelSettings::setShowPreview(isChecked); + } else if (action == ratingAction) { + m_metaDataWidget->setRatingVisible(isChecked); + InformationPanelSettings::setShowRating(isChecked); + } else if (action == commentAction) { + m_metaDataWidget->setCommentVisible(isChecked); + InformationPanelSettings::setShowComment(isChecked); + } else if (action == tagsAction) { + m_metaDataWidget->setTagsVisible(isChecked); + InformationPanelSettings::setShowTags(isChecked); + } else { + settings.writeEntry(action->data().toString(), action->isChecked()); + settings.sync(); + } + + if (m_metaDataWidget != 0) { + const bool visible = m_metaDataWidget->isRatingVisible() || + m_metaDataWidget->isCommentVisible() || + m_metaDataWidget->areTagsVisible(); + m_metaDataSeparator->setVisible(visible); + } + + showItem(m_item); +#endif +} + +void InformationPanelContent::showIcon(const KFileItem& item) +{ + m_outdatedPreviewTimer->stop(); + m_pendingPreview = false; + if (!applyPlace(item.url())) { + m_preview->setPixmap(item.pixmap(KIconLoader::SizeEnormous)); + } +} + +void InformationPanelContent::showPreview(const KFileItem& item, + const QPixmap& pixmap) +{ + m_outdatedPreviewTimer->stop(); + + Q_UNUSED(item); + if (m_pendingPreview) { + m_preview->setPixmap(pixmap); + m_pendingPreview = false; + } +} + +void InformationPanelContent::slotPlayingStarted() +{ + m_preview->setVisible(m_phononWidget->mode() != PhononWidget::Video); +} + +void InformationPanelContent::slotPlayingStopped() +{ + m_preview->setVisible(true); +} + +bool InformationPanelContent::applyPlace(const KUrl& url) +{ + KFilePlacesModel* placesModel = DolphinSettings::instance().placesModel(); + int count = placesModel->rowCount(); + + 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)); + return true; + } + } + + return false; +} + +void InformationPanelContent::setNameLabelText(const QString& text) +{ + QTextOption textOption; + textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere); + + QTextLayout textLayout(text); + textLayout.setFont(m_nameLabel->font()); + textLayout.setTextOption(textOption); + + QString wrappedText; + wrappedText.reserve(text.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()); + + line = textLayout.createLine(); + if (line.isValid()) { + wrappedText += QChar::LineSeparator; + } + } + textLayout.endLayout(); + + m_nameLabel->setText(wrappedText); +} + +void InformationPanelContent::initMetaInfoSettings(KConfigGroup& group) +{ + if (!group.readEntry("initialized", false)) { + // The resource file is read the first time. Assure + // that some meta information is disabled per default. + + static const char* disabledProperties[] = { + "asText", "contentSize", "depth", "fileExtension", + "fileName", "fileSize", "isPartOf", "mimetype", "name", + "parentUrl", "plainTextContent", "sourceModified", + "size", "url", + 0 // mandatory last entry + }; + + int i = 0; + while (disabledProperties[i] != 0) { + group.writeEntry(disabledProperties[i], false); + ++i; + } + + // mark the group as initialized + group.writeEntry("initialized", true); + } +} + +QString InformationPanelContent::tunedLabel(const QString& label) const +{ + QString tunedLabel; + const int labelLength = label.length(); + if (labelLength > 0) { + tunedLabel.reserve(labelLength); + tunedLabel = label[0].toUpper(); + for (int i = 1; i < labelLength; ++i) { + if (label[i].isUpper() && !label[i - 1].isSpace() && !label[i - 1].isUpper()) { + tunedLabel += ' '; + tunedLabel += label[i].toLower(); + } else { + tunedLabel += label[i]; + } + } + } + return tunedLabel; +} + +void InformationPanelContent::init() +{ +} + +#include "informationpanelcontent.moc" diff --git a/src/panels/information/informationpanelcontent.h b/src/panels/information/informationpanelcontent.h new file mode 100644 index 000000000..1277f31fa --- /dev/null +++ b/src/panels/information/informationpanelcontent.h @@ -0,0 +1,139 @@ +/*************************************************************************** + * Copyright (C) 2009 by Peter Penz <[email protected]> * + * * + * 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 * + ***************************************************************************/ + +#ifndef INFORMATIONPANELCONTENT_H +#define INFORMATIONPANELCONTENT_H + +#include <panels/panel.h> + +#include <kconfig.h> +#include <kurl.h> +#include <kvbox.h> + +class PhononWidget; +class PixmapViewer; +class MetaDataWidget; +class MetaTextLabel; +class QPixmap; +class QString; +class KFileItem; +class KSeparator; +class QLabel; +class QScrollArea; + +/** + * @brief Manages the widgets that display the meta information +* for file items of the Information Panel. + */ +class InformationPanelContent : public Panel +{ + Q_OBJECT + +public: + explicit InformationPanelContent(QWidget* parent = 0); + virtual ~InformationPanelContent(); + + /** + * Shows the meta information for the item \p item. + * The preview of the item is generated asynchronously, + * the other meta informations are fetched synchronously. + */ + void showItem(const KFileItem& item); + + /** + * Shows the meta information for the items \p items. + */ + void showItems(const KFileItemList& items); + + /** + * Opens a menu which allows to configure which meta information + * should be shown. + */ + void configureSettings(); + +protected: + /** @see QObject::eventFilter() */ + virtual bool eventFilter(QObject* obj, QEvent* event); + +private slots: + /** + * Is invoked if no preview is available for the item. In this + * case the icon will be shown. + */ + void showIcon(const KFileItem& item); + + /** + * Is invoked if a preview is available for the item. The preview + * \a pixmap is shown inside the info page. + */ + void showPreview(const KFileItem& item, const QPixmap& pixmap); + + void slotPlayingStarted(); + void slotPlayingStopped(); + +private: + /** + * Checks whether the an URL is repesented by a place. If yes, + * then the place icon and name are shown instead of a preview. + * @return True, if the URL represents exactly a place. + * @param url The url to check. + */ + bool applyPlace(const KUrl& url); + + /** + * Sets the text for the label \a m_nameLabel and assures that the + * text is split in a way that it can be wrapped within the + * label width (QLabel::setWordWrap() does not work if the + * text represents one extremely long word). + */ + void setNameLabelText(const QString& text); + + /** + * Assures that the settings for the meta information + * are initialized with proper default values. + */ + void initMetaInfoSettings(KConfigGroup& group); + + /** + * Temporary helper method for KDE 4.3 as we currently don't get + * translated labels for Nepmok literals: Replaces camelcase labels + * like "fileLocation" by "File Location:". + */ + QString tunedLabel(const QString& label) const; + + void init(); + +private: + KFileItem m_item; + + bool m_pendingPreview; + QTimer* m_outdatedPreviewTimer; + QLabel* m_nameLabel; + + PixmapViewer* m_preview; + KSeparator* m_previewSeparator; + PhononWidget* m_phononWidget; + MetaDataWidget* m_metaDataWidget; + KSeparator* m_metaDataSeparator; + + QScrollArea* m_metaTextArea; + MetaTextLabel* m_metaTextLabel; +}; + +#endif // INFORMATIONPANELCONTENT_H |