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https://invent.kde.org/system/dolphin
synced 2024-08-22 01:40:02 +00:00
InformationPanel: better refresh state when current dir changes
Refactor and simplify things along the way. BUG: 457813
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parent
06df12013b
commit
4150960081
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@ -33,7 +33,7 @@ InformationPanel::InformationPanel(QWidget* parent) :
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m_shownUrl(),
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m_urlCandidate(),
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m_invalidUrlCandidate(),
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m_fileItem(),
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m_hoveredItem(),
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m_selection(),
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m_folderStatJob(nullptr),
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m_content(nullptr)
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@ -47,7 +47,6 @@ InformationPanel::~InformationPanel()
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void InformationPanel::setSelection(const KFileItemList& selection)
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{
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m_selection = selection;
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m_fileItem = KFileItem();
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if (!isVisible()) {
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return;
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@ -70,7 +69,7 @@ void InformationPanel::setSelection(const KFileItemList& selection)
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void InformationPanel::requestDelayedItemInfo(const KFileItem& item)
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{
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if (!isVisible() || (item.isNull() && m_fileItem.isNull())) {
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if (!isVisible()) {
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return;
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}
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@ -80,21 +79,15 @@ void InformationPanel::requestDelayedItemInfo(const KFileItem& item)
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return;
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}
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if (item.isNull()) {
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m_hoveredItem = KFileItem();
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return;
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}
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cancelRequest();
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if (item.isNull()) {
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// The cursor is above the viewport. If files are selected,
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// show information regarding the selection.
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if (!m_selection.isEmpty()) {
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m_fileItem = KFileItem();
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m_infoTimer->start();
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}
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} else if (item.url().isValid() && !isEqualToShownUrl(item.url())) {
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// The cursor is above an item that is not shown currently
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m_urlCandidate = item.url();
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m_fileItem = item;
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m_infoTimer->start();
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}
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m_hoveredItem = item;
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m_infoTimer->start();
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}
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bool InformationPanel::urlChanged()
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@ -112,7 +105,6 @@ bool InformationPanel::urlChanged()
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if (!isEqualToShownUrl(url())) {
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m_shownUrl = url();
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m_fileItem = KFileItem();
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// Update the content with a delay. This gives
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// the directory lister the chance to show the content
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@ -219,34 +211,36 @@ void InformationPanel::showItemInfo()
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}
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cancelRequest();
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//qDebug() << "showItemInfo" << m_fileItem;
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if (m_fileItem.isNull() && (m_selection.count() > 1)) {
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if (m_hoveredItem.isNull() && (m_selection.count() > 1)) {
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// The information for a selection of items should be shown
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m_content->showItems(m_selection);
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} else {
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// The information for exactly one item should be shown
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KFileItem item;
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if (!m_fileItem.isNull()) {
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item = m_fileItem;
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if (!m_hoveredItem.isNull()) {
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item = m_hoveredItem;
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} else if (!m_selection.isEmpty()) {
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Q_ASSERT(m_selection.count() == 1);
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item = m_selection.first();
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}
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if (item.isNull()) {
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// No item is hovered and no selection has been done: provide
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// an item for the currently shown directory.
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m_shownUrl = url();
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m_folderStatJob = KIO::statDetails(url(), KIO::StatJob::SourceSide, KIO::StatDefaultDetails | KIO::StatRecursiveSize, KIO::HideProgressInfo);
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if (m_folderStatJob->uiDelegate()) {
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KJobWidgets::setWindow(m_folderStatJob, this);
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}
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connect(m_folderStatJob, &KIO::Job::result,
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this, &InformationPanel::slotFolderStatFinished);
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} else {
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if (!item.isNull()) {
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m_shownUrl = item.url();
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m_content->showItem(item);
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return;
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}
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// No item is hovered and no selection has been done: provide
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// an item for the currently shown directory.
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m_shownUrl = url();
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m_folderStatJob = KIO::statDetails(m_shownUrl, KIO::StatJob::SourceSide, KIO::StatDefaultDetails | KIO::StatRecursiveSize, KIO::HideProgressInfo);
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if (m_folderStatJob->uiDelegate()) {
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KJobWidgets::setWindow(m_folderStatJob, this);
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}
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connect(m_folderStatJob, &KIO::Job::result,
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this, &InformationPanel::slotFolderStatFinished);
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}
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}
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@ -273,23 +267,24 @@ void InformationPanel::reset()
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// the content to show the directory URL.
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m_selection.clear();
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m_shownUrl = url();
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m_fileItem = KFileItem();
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showItemInfo();
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}
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}
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void InformationPanel::slotFileRenamed(const QString& source, const QString& dest)
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{
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if (m_shownUrl == QUrl::fromUserInput(source)) {
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m_shownUrl = QUrl::fromUserInput(dest);
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m_fileItem = KFileItem(m_shownUrl);
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auto sourceUrl = QUrl::fromUserInput(source);
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if (m_shownUrl == sourceUrl) {
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auto destUrl = QUrl::fromUserInput(dest);
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if ((m_selection.count() == 1) && (m_selection[0].url() == QUrl::fromLocalFile(source))) {
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m_selection[0] = m_fileItem;
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if ((m_selection.count() == 1) && (m_selection[0].url() == sourceUrl)) {
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m_selection[0] = KFileItem(destUrl);
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// Implementation note: Updating the selection is only required if exactly one
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// item is selected, as the name of the item is shown. If this should change
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// in future: Before parsing the whole selection take care to test possible
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// performance bottlenecks when renaming several hundreds of files.
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} else {
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m_hoveredItem = KFileItem(destUrl);
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}
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showItemInfo();
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@ -301,8 +296,7 @@ void InformationPanel::slotFilesAdded(const QString& directory)
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if (m_shownUrl == QUrl::fromUserInput(directory)) {
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// If the 'trash' icon changes because the trash has been emptied or got filled,
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// the signal filesAdded("trash:/") will be emitted.
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KFileItem item(QUrl::fromUserInput(directory));
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requestDelayedItemInfo(item);
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requestDelayedItemInfo(KFileItem());
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}
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}
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@ -310,7 +304,6 @@ void InformationPanel::slotFilesItemChanged(const KFileItemList &changedFileItem
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{
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const auto item = changedFileItems.findByUrl(m_shownUrl);
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if (!item.isNull()) {
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m_fileItem = item;
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showItemInfo();
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}
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}
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@ -339,10 +332,7 @@ void InformationPanel::slotFilesRemoved(const QStringList& files)
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void InformationPanel::slotEnteredDirectory(const QString& directory)
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{
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if (m_shownUrl == QUrl::fromUserInput(directory)) {
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KFileItem item(QUrl::fromUserInput(directory));
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requestDelayedItemInfo(item);
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}
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Q_UNUSED(directory)
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}
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void InformationPanel::slotLeftDirectory(const QString& directory)
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@ -138,7 +138,7 @@ private:
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// a directory has been changed.
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QUrl m_invalidUrlCandidate;
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KFileItem m_fileItem; // file item for m_shownUrl if available (otherwise null)
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KFileItem m_hoveredItem;
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KFileItemList m_selection;
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KIO::Job* m_folderStatJob;
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