File indexing completed on 2024-05-05 03:56:19

 /*
     This file is part of the KDE project
     SPDX-FileCopyrightText: 1998, 1999 Torben Weis <weis@kde.org>
     SPDX-FileCopyrightText: 1999, 2000 Preston Brown <pbrown@kde.org>
     SPDX-FileCopyrightText: 2000 Simon Hausmann <hausmann@kde.org>
     SPDX-FileCopyrightText: 2000 David Faure <faure@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 #include "kpropertiesdialogbuiltin_p.h"
 
 #include "../utils_p.h"
 #include "config-kiowidgets.h"
 #include "kio_widgets_debug.h"
 
 #include <gpudetection_p.h>
 #include <kbuildsycocaprogressdialog.h>
 #include <kdirnotify.h>
 #include <kfileitemlistproperties.h>
 #include <kio/chmodjob.h>
 #include <kio/copyjob.h>
 #include <kio/desktopexecparser.h>
 #include <kio/directorysizejob.h>
 #include <kio/jobuidelegate.h>
 #include <kio/renamedialog.h>
 #include <kio/statjob.h>
 #include <kmountpoint.h>
 #include <kprotocolinfo.h>
 #include <kprotocolmanager.h>
 #include <kurlrequester.h>
 
 #include <KApplicationTrader>
 #include <KAuthorized>
 #include <KCapacityBar>
 #include <KColorScheme>
 #include <KCompletion>
 #include <KConfigGroup>
 #include <KDesktopFile>
 #include <KDialogJobUiDelegate>
 #include <KIO/ApplicationLauncherJob>
 #include <KIO/FileSystemFreeSpaceJob>
 #include <KIO/OpenFileManagerWindowJob>
 #include <KIconButton>
 #include <KJobUiDelegate>
 #include <KJobWidgets>
 #include <KLazyLocalizedString>
 #include <KLineEdit>
 #include <KMessageBox>
 #include <KMessageWidget>
 #include <KMimeTypeChooser>
 #include <KMimeTypeEditor>
 #include <KSeparator>
 #include <KService>
 #include <KSharedConfig>
 #include <KShell>
 #include <KSqueezedTextLabel>
 #include <KSycoca>
 
 #include <QCheckBox>
 #include <QClipboard>
 #include <QComboBox>
 #include <QDBusConnection>
 #include <QDBusInterface>
 #include <QDBusReply>
 #include <QDialogButtonBox>
 #include <QFile>
 #include <QFileDialog>
 #include <QFileInfo>
 #include <QFileSystemWatcher>
 #include <QFutureWatcher>
 #include <QLabel>
 #include <QLayout>
 #include <QLocale>
 #include <QMimeDatabase>
 #include <QProgressBar>
 #include <QPushButton>
 #include <QStyle>
 #include <QtConcurrentRun>
 
 #include "ui_checksumswidget.h"
 #include "ui_kfilepropspluginwidget.h"
 #include "ui_kpropertiesdesktopadvbase.h"
 #include "ui_kpropertiesdesktopbase.h"
 
 #if HAVE_POSIX_ACL
 #include "kacleditwidget.h"
 #endif
 #include <cerrno>
 extern "C" {
 #if HAVE_SYS_XATTR_H
 #include <sys/xattr.h>
 #endif
 #if HAVE_SYS_EXTATTR_H
 #include <sys/extattr.h>
 #endif
 #if HAVE_SYS_MOUNT_H
 #include <sys/mount.h>
 #endif
 }
 
 using namespace KDEPrivate;
 
 static QString couldNotSaveMsg(const QString &path)
 {
     return xi18nc("@info", "Could not save properties due to insufficient write access to:<nl/><filename>%1</filename>.", path);
 }
 static QString nameFromFileName(QString nameStr)
 {
     if (nameStr.endsWith(QLatin1String(".desktop"))) {
         nameStr.chop(8);
     }
     // Make it human-readable (%2F => '/', ...)
     nameStr = KIO::decodeFileName(nameStr);
     return nameStr;
 }
 
 class KFilePropsPlugin::KFilePropsPluginPrivate
 {
 public:
     KFilePropsPluginPrivate()
         : m_ui(new Ui_KFilePropsPluginWidget())
     {
         m_ui->setupUi(&m_mainWidget);
     }
 
     ~KFilePropsPluginPrivate()
     {
         if (dirSizeJob) {
             dirSizeJob->kill();
         }
     }
 
     void hideMountPointLabels()
     {
         m_ui->fsLabel_Left->hide();
         m_ui->fsLabel->hide();
 
         m_ui->mountPointLabel_Left->hide();
         m_ui->mountPointLabel->hide();
 
         m_ui->mountSrcLabel_Left->hide();
         m_ui->mountSrcLabel->hide();
     }
 
     QWidget m_mainWidget;
     std::unique_ptr<Ui_KFilePropsPluginWidget> m_ui;
     KIO::DirectorySizeJob *dirSizeJob = nullptr;
     QTimer *dirSizeUpdateTimer = nullptr;
     bool bMultiple;
     bool bIconChanged;
     bool bKDesktopMode;
     bool bDesktopFile;
     QString mimeType;
     QString oldFileName;
 
     QString m_sRelativePath;
     bool m_bFromTemplate;
 
     /**
      * The initial filename
      */
     QString oldName;
 };
 
 KFilePropsPlugin::KFilePropsPlugin(KPropertiesDialog *_props)
     : KPropertiesDialogPlugin(_props)
     , d(new KFilePropsPluginPrivate)
 {
     const auto itemsList = properties->items();
     d->bMultiple = (itemsList.count() > 1);
     d->bIconChanged = false;
     d->bDesktopFile = KDesktopPropsPlugin::supports(itemsList);
     // qDebug() << "KFilePropsPlugin::KFilePropsPlugin bMultiple=" << d->bMultiple;
 
     // We set this data from the first item, and we'll
     // check that the other items match against it, resetting when not.
     const KFileItem firstItem = properties->item();
     auto [url, isLocal] = firstItem.isMostLocalUrl();
     bool isReallyLocal = firstItem.url().isLocalFile();
     bool bDesktopFile = firstItem.isDesktopFile();
     mode_t mode = firstItem.mode();
     bool hasDirs = firstItem.isDir() && !firstItem.isLink();
     bool hasRoot = url.path() == QLatin1String("/");
     QString iconStr = firstItem.iconName();
     QString directory = properties->url().adjusted(QUrl::RemoveFilename | QUrl::StripTrailingSlash).path();
     QString protocol = properties->url().scheme();
     d->bKDesktopMode = protocol == QLatin1String("desktop") || properties->currentDir().scheme() == QLatin1String("desktop");
     QString mimeComment = firstItem.mimeComment();
     d->mimeType = firstItem.mimetype();
     KIO::filesize_t totalSize = firstItem.size();
     QString magicMimeName;
     QString magicMimeComment;
     QMimeDatabase db;
     if (isLocal) {
         QMimeType magicMimeType = db.mimeTypeForFile(url.toLocalFile(), QMimeDatabase::MatchContent);
         if (magicMimeType.isValid() && !magicMimeType.isDefault()) {
             magicMimeName = magicMimeType.name();
             magicMimeComment = magicMimeType.comment();
         }
     }
 #ifdef Q_OS_WIN
     if (isReallyLocal) {
         directory = QDir::toNativeSeparators(directory.mid(1));
     }
 #endif
 
     // Those things only apply to 'single file' mode
     QString filename;
     bool isTrash = false;
     d->m_bFromTemplate = false;
 
     // And those only to 'multiple' mode
     uint iDirCount = hasDirs ? 1 : 0;
     uint iFileCount = 1 - iDirCount;
 
     properties->addPage(&d->m_mainWidget, i18nc("@title:tab File properties", "&General"));
 
     d->m_ui->symlinkTargetMessageWidget->hide();
 
     if (!d->bMultiple) {
         QString path;
         if (!d->m_bFromTemplate) {
             isTrash = (properties->url().scheme() == QLatin1String("trash"));
             // Extract the full name, but without file: for local files
             path = properties->url().toDisplayString(QUrl::PreferLocalFile);
         } else {
             path = Utils::concatPaths(properties->currentDir().path(), properties->defaultName());
             directory = properties->currentDir().toDisplayString(QUrl::PreferLocalFile);
         }
 
         if (d->bDesktopFile) {
             determineRelativePath(path);
         }
 
         // Extract the file name only
         filename = properties->defaultName();
         if (filename.isEmpty()) { // no template
             const QFileInfo finfo(firstItem.name()); // this gives support for UDS_NAME, e.g. for kio_trash or kio_system
             filename = finfo.fileName(); // Make sure only the file's name is displayed (#160964).
         } else {
             d->m_bFromTemplate = true;
             setDirty(); // to enforce that the copy happens
         }
         d->oldFileName = filename;
 
         // Make it human-readable
         filename = nameFromFileName(filename);
         d->oldName = filename;
     } else {
         // Multiple items: see what they have in common
         for (const auto &item : itemsList) {
             if (item == firstItem) {
                 continue;
             }
 
             const QUrl url = item.url();
             // qDebug() << "KFilePropsPlugin::KFilePropsPlugin " << url.toDisplayString();
             // The list of things we check here should match the variables defined
             // at the beginning of this method.
             if (url.isLocalFile() != isLocal) {
                 isLocal = false; // not all local
             }
             if (bDesktopFile && item.isDesktopFile() != bDesktopFile) {
                 bDesktopFile = false; // not all desktop files
             }
             if (item.mode() != mode) {
                 mode = static_cast<mode_t>(0);
             }
             if (KIO::iconNameForUrl(url) != iconStr) {
                 iconStr = QStringLiteral("document-multiple");
             }
             if (url.adjusted(QUrl::RemoveFilename | QUrl::StripTrailingSlash).path() != directory) {
                 directory.clear();
             }
             if (url.scheme() != protocol) {
                 protocol.clear();
             }
             if (!mimeComment.isNull() && item.mimeComment() != mimeComment) {
                 mimeComment.clear();
             }
             if (isLocal && !magicMimeComment.isNull()) {
                 QMimeType magicMimeType = db.mimeTypeForFile(url.toLocalFile(), QMimeDatabase::MatchContent);
                 if (magicMimeType.isValid() && magicMimeType.comment() != magicMimeComment) {
                     magicMimeName.clear();
                     magicMimeComment.clear();
                 }
             }
 
             if (isLocal && url.path() == QLatin1String("/")) {
                 hasRoot = true;
             }
             if (item.isDir() && !item.isLink()) {
                 iDirCount++;
                 hasDirs = true;
             } else {
                 iFileCount++;
                 totalSize += item.size();
             }
         }
     }
 
     if (!isReallyLocal && !protocol.isEmpty()) {
         directory += QLatin1String(" (") + protocol + QLatin1Char(')');
     }
 
     if (!isTrash //
         && (bDesktopFile || Utils::isDirMask(mode)) //
         && !d->bMultiple // not implemented for multiple
         && enableIconButton()) {
         d->m_ui->iconLabel->hide();
 
         const int bsize = 66 + (2 * d->m_ui->iconButton->style()->pixelMetric(QStyle::PM_ButtonMargin));
         d->m_ui->iconButton->setFixedSize(bsize, bsize);
         d->m_ui->iconButton->setIconSize(48);
         if (bDesktopFile && isLocal) {
             const KDesktopFile config(url.toLocalFile());
             if (config.hasDeviceType()) {
                 d->m_ui->iconButton->setIconType(KIconLoader::Desktop, KIconLoader::Device);
             } else {
                 d->m_ui->iconButton->setIconType(KIconLoader::Desktop, KIconLoader::Application);
             }
         } else {
             d->m_ui->iconButton->setIconType(KIconLoader::Desktop, KIconLoader::Place);
         }
 
         d->m_ui->iconButton->setIcon(iconStr);
         connect(d->m_ui->iconButton, &KIconButton::iconChanged, this, &KFilePropsPlugin::slotIconChanged);
     } else {
         d->m_ui->iconButton->hide();
 
         const int bsize = 66 + (2 * d->m_ui->iconLabel->style()->pixelMetric(QStyle::PM_ButtonMargin));
         d->m_ui->iconLabel->setFixedSize(bsize, bsize);
         d->m_ui->iconLabel->setPixmap(QIcon::fromTheme(iconStr).pixmap(48));
     }
 
     KFileItemListProperties itemList(KFileItemList{firstItem});
     if (d->bMultiple || isTrash || hasRoot || !(d->m_bFromTemplate || itemList.supportsMoving())) {
         d->m_ui->fileNameLineEdit->hide();
         setFileNameReadOnly(true);
         if (d->bMultiple) {
             d->m_ui->fileNameLabel->setText(KIO::itemsSummaryString(iFileCount + iDirCount, iFileCount, iDirCount, 0, false));
         }
     } else {
         d->m_ui->fileNameLabel->hide();
 
         d->m_ui->fileNameLineEdit->setText(filename);
         connect(d->m_ui->fileNameLineEdit, &QLineEdit::textChanged, this, &KFilePropsPlugin::nameFileChanged);
     }
 
     // Mimetype widgets
     if (!mimeComment.isEmpty() && !isTrash) {
         d->m_ui->mimeCommentLabel->setText(mimeComment);
         d->m_ui->mimeCommentLabel->setToolTip(d->mimeType);
 
         const int hSpacing = properties->style()->pixelMetric(QStyle::PM_LayoutHorizontalSpacing);
         d->m_ui->defaultHandlerLayout->setSpacing(hSpacing);
 
 #ifndef Q_OS_WIN
         updateDefaultHandler(d->mimeType);
         connect(KSycoca::self(), &KSycoca::databaseChanged, this, [this] {
             updateDefaultHandler(d->mimeType);
         });
 
         connect(d->m_ui->configureMimeBtn, &QAbstractButton::clicked, this, &KFilePropsPlugin::slotEditFileType);
 #endif
 
     } else {
         d->m_ui->typeLabel->hide();
         d->m_ui->mimeCommentLabel->hide();
         d->m_ui->configureMimeBtn->hide();
 
         d->m_ui->defaultHandlerLabel_Left->hide();
         d->m_ui->defaultHandlerIcon->hide();
         d->m_ui->defaultHandlerLabel->hide();
     }
 
 #ifdef Q_OS_WIN
     d->m_ui->defaultHandlerLabel_Left->hide();
     d->m_ui->defaultHandlerIcon->hide();
     d->m_ui->defaultHandlerLabel->hide();
 #endif
 
     if (!magicMimeComment.isEmpty() && magicMimeComment != mimeComment) {
         d->m_ui->magicMimeCommentLabel->setText(magicMimeComment);
         d->m_ui->magicMimeCommentLabel->setToolTip(magicMimeName);
     } else {
         d->m_ui->contentLabel->hide();
         d->m_ui->magicMimeCommentLabel->hide();
     }
 
     d->m_ui->configureMimeBtn->setVisible(KAuthorized::authorizeAction(QStringLiteral("editfiletype")) && !d->m_ui->defaultHandlerLabel->isHidden());
 
     // Location:
     if (!directory.isEmpty()) {
         d->m_ui->locationLabel->setText(directory);
 
         // Layout direction for this label is always LTR; but if we are in RTL mode,
         // align the text to the right, otherwise the text is on the wrong side of the dialog
         if (properties->layoutDirection() == Qt::RightToLeft) {
             d->m_ui->locationLabel->setAlignment(Qt::AlignRight);
         }
     }
 
     // Size widgets
     if (!hasDirs) { // Only files [and symlinks]
         d->m_ui->sizeLabel->setText(QStringLiteral("%1 (%2)").arg(KIO::convertSize(totalSize), QLocale().toString(totalSize)));
         d->m_ui->sizeBtnWidget->hide();
     } else { // Directory
         connect(d->m_ui->calculateSizeBtn, &QAbstractButton::clicked, this, &KFilePropsPlugin::slotSizeDetermine);
         connect(d->m_ui->stopCalculateSizeBtn, &QAbstractButton::clicked, this, &KFilePropsPlugin::slotSizeStop);
 
         if (auto filelight = KService::serviceByDesktopName(QStringLiteral("org.kde.filelight"))) {
             d->m_ui->sizeDetailsBtn->setText(i18nc("@action:button", "Explore in %1", filelight->name()));
             d->m_ui->sizeDetailsBtn->setIcon(QIcon::fromTheme(filelight->icon()));
             connect(d->m_ui->sizeDetailsBtn, &QPushButton::clicked, this, &KFilePropsPlugin::slotSizeDetails);
         } else {
             d->m_ui->sizeDetailsBtn->hide();
         }
 
         //         sizelay->addStretch(10); // so that the buttons don't grow horizontally
 
         // auto-launch for local dirs only, and not for '/'
         if (isLocal && !hasRoot) {
             d->m_ui->calculateSizeBtn->setText(i18n("Refresh"));
             slotSizeDetermine();
         } else {
             d->m_ui->stopCalculateSizeBtn->setEnabled(false);
         }
     }
 
     // Symlink widgets
     if (!d->bMultiple && firstItem.isLink()) {
         d->m_ui->symlinkTargetEdit->setText(firstItem.linkDest());
         connect(d->m_ui->symlinkTargetEdit, &QLineEdit::textChanged, this, [this]() {
             setDirty();
         });
 
         connect(d->m_ui->symlinkTargetOpenDir, &QPushButton::clicked, this, [this] {
             const QUrl resolvedTargetLocation = properties->item().url().resolved(QUrl(d->m_ui->symlinkTargetEdit->text()));
 
             KIO::StatJob *statJob = KIO::stat(resolvedTargetLocation, KIO::StatJob::SourceSide, KIO::StatNoDetails, KIO::HideProgressInfo);
             connect(statJob, &KJob::finished, this, [this, statJob] {
                 if (statJob->error()) {
                     d->m_ui->symlinkTargetMessageWidget->setText(statJob->errorString());
                     d->m_ui->symlinkTargetMessageWidget->animatedShow();
                     return;
                 }
 
                 KIO::highlightInFileManager({statJob->url()});
                 properties->close();
             });
         });
     } else {
         d->m_ui->symlinkTargetLabel->hide();
         d->m_ui->symlinkTargetEdit->hide();
         d->m_ui->symlinkTargetOpenDir->hide();
     }
 
     // Time widgets
     if (!d->bMultiple) {
         QLocale locale;
         if (const QDateTime dt = firstItem.time(KFileItem::CreationTime); !dt.isNull()) {
             d->m_ui->createdTimeLabel->setText(locale.toString(dt, QLocale::LongFormat));
         } else {
             d->m_ui->createdTimeLabel->hide();
             d->m_ui->createdTimeLabel_Left->hide();
         }
 
         if (const QDateTime dt = firstItem.time(KFileItem::ModificationTime); !dt.isNull()) {
             d->m_ui->modifiedTimeLabel->setText(locale.toString(dt, QLocale::LongFormat));
         } else {
             d->m_ui->modifiedTimeLabel->hide();
             d->m_ui->modifiedTimeLabel_Left->hide();
         }
 
         if (const QDateTime dt = firstItem.time(KFileItem::AccessTime); !dt.isNull()) {
             d->m_ui->accessTimeLabel->setText(locale.toString(dt, QLocale::LongFormat));
         } else {
             d->m_ui->accessTimeLabel->hide();
             d->m_ui->accessTimeLabel_Left->hide();
         }
     } else {
         d->m_ui->createdTimeLabel->hide();
         d->m_ui->createdTimeLabel_Left->hide();
         d->m_ui->modifiedTimeLabel->hide();
         d->m_ui->modifiedTimeLabel_Left->hide();
         d->m_ui->accessTimeLabel->hide();
         d->m_ui->accessTimeLabel_Left->hide();
     }
 
     // File system and mount point widgets
     if (hasDirs) { // only for directories
         if (isLocal) {
             KMountPoint::Ptr mp = KMountPoint::currentMountPoints().findByPath(url.toLocalFile());
 
             if (mp) {
                 d->m_ui->fsLabel->setText(mp->mountType());
                 d->m_ui->mountPointLabel->setText(mp->mountPoint());
                 d->m_ui->mountSrcLabel->setText(mp->mountedFrom());
             } else {
                 qCWarning(KIO_WIDGETS) << "Could not find mount point for" << url;
                 d->hideMountPointLabels();
             }
         } else {
             d->hideMountPointLabels();
         }
 
         KIO::FileSystemFreeSpaceJob *job = KIO::fileSystemFreeSpace(url);
         connect(job, &KJob::result, this, &KFilePropsPlugin::slotFreeSpaceResult);
     } else {
         d->m_ui->fsSeparator->hide();
         d->m_ui->freespaceLabel->hide();
         d->m_ui->capacityBar->hide();
         d->hideMountPointLabels();
     }
 
     // UDSEntry extra fields
     if (const auto extraFields = KProtocolInfo::extraFields(url); !d->bMultiple && !extraFields.isEmpty()) {
         int curRow = d->m_ui->gridLayout->rowCount();
         KSeparator *sep = new KSeparator(Qt::Horizontal, &d->m_mainWidget);
         d->m_ui->gridLayout->addWidget(sep, curRow++, 0, 1, 3);
 
         QLocale locale;
         for (int i = 0; i < extraFields.count(); ++i) {
             const auto &field = extraFields.at(i);
 
             QString text = firstItem.entry().stringValue(KIO::UDSEntry::UDS_EXTRA + i);
             if (field.type == KProtocolInfo::ExtraField::Invalid || text.isEmpty()) {
                 continue;
             }
 
             if (field.type == KProtocolInfo::ExtraField::DateTime) {
                 const QDateTime date = QDateTime::fromString(text, Qt::ISODate);
                 if (!date.isValid()) {
                     continue;
                 }
 
                 text = locale.toString(date, QLocale::LongFormat);
             }
 
             auto *label = new QLabel(i18n("%1:", field.name), &d->m_mainWidget);
             d->m_ui->gridLayout->addWidget(label, curRow, 0, Qt::AlignRight);
 
             auto *squeezedLabel = new KSqueezedTextLabel(text, &d->m_mainWidget);
             if (properties->layoutDirection() == Qt::RightToLeft) {
                 squeezedLabel->setAlignment(Qt::AlignRight);
             } else {
                 squeezedLabel->setLayoutDirection(Qt::LeftToRight);
             }
 
             d->m_ui->gridLayout->addWidget(squeezedLabel, curRow++, 1);
             squeezedLabel->setTextInteractionFlags(Qt::TextSelectableByMouse | Qt::TextSelectableByKeyboard);
         }
     }
 }
 
 bool KFilePropsPlugin::enableIconButton() const
 {
     const KFileItem item = properties->item();
 
     // desktop files are special, files in /usr/share/applications can be
     // edited by overlaying them in .local/share/applications
     // https://bugs.kde.org/show_bug.cgi?id=429613
     if (item.isDesktopFile()) {
         return true;
     }
 
     // If the current item is a directory, check if it's writable,
     // so we can create/update a .directory
     // Current item is a file, same thing: check if it is writable
     if (item.isWritable()) {
         // exclude remote dirs as changing the icon has no effect (bug 205954)
         if (item.isLocalFile() || item.url().scheme() == QLatin1String("desktop")) {
             return true;
         }
     }
 
     return false;
 }
 
 void KFilePropsPlugin::setFileNameReadOnly(bool readOnly)
 {
     Q_ASSERT(readOnly); // false isn't supported
 
     if (readOnly) {
         Q_ASSERT(!d->m_bFromTemplate);
 
         d->m_ui->fileNameLineEdit->hide();
 
         d->m_ui->fileNameLabel->show();
         d->m_ui->fileNameLabel->setText(d->oldName); // will get overwritten if d->bMultiple
     }
 }
 
 void KFilePropsPlugin::slotEditFileType()
 {
     QString mime;
     if (d->mimeType == QLatin1String("application/octet-stream")) {
         const int pos = d->oldFileName.lastIndexOf(QLatin1Char('.'));
         if (pos != -1) {
             mime = QLatin1Char('*') + QStringView(d->oldFileName).mid(pos);
         } else {
             mime = QStringLiteral("*");
         }
     } else {
         mime = d->mimeType;
     }
     KMimeTypeEditor::editMimeType(mime, properties->window());
 }
 
 void KFilePropsPlugin::slotIconChanged()
 {
     d->bIconChanged = true;
     Q_EMIT changed();
 }
 
 void KFilePropsPlugin::nameFileChanged(const QString &text)
 {
     properties->buttonBox()->button(QDialogButtonBox::Ok)->setEnabled(!text.isEmpty());
     Q_EMIT changed();
 }
 
 static QString relativeAppsLocation(const QString &file)
 {
     // Don't resolve symlinks, so that editing /usr/share/applications/foo.desktop that is
     // a symlink works
     const QString absolute = QFileInfo(file).absoluteFilePath();
     const QStringList dirs = QStandardPaths::standardLocations(QStandardPaths::ApplicationsLocation);
     for (const QString &base : dirs) {
         QDir base_dir = QDir(base);
         if (base_dir.exists() && absolute.startsWith(base_dir.canonicalPath())) {
             return absolute.mid(base.length() + 1);
         }
     }
     return QString(); // return empty if the file is not in apps
 }
 
 void KFilePropsPlugin::determineRelativePath(const QString &path)
 {
     // now let's make it relative
     d->m_sRelativePath = relativeAppsLocation(path);
 }
 
 void KFilePropsPlugin::slotFreeSpaceResult(KJob *_job)
 {
     const auto job = qobject_cast<KIO::FileSystemFreeSpaceJob *>(_job);
     Q_ASSERT(job);
     if (!job->error()) {
         const qint64 size = job->size();
         const qint64 available = job->availableSize();
         const quint64 used = size - available;
         const int percentUsed = qRound(100.0 * qreal(used) / qreal(size));
 
         d->m_ui->capacityBar->setText(i18nc("Available space out of total partition size (percent used)",
                                             "%1 free of %2 (%3% used)",
                                             KIO::convertSize(available),
                                             KIO::convertSize(size),
                                             percentUsed));
 
         d->m_ui->capacityBar->setValue(percentUsed);
     } else {
         d->m_ui->capacityBar->setText(i18nc("@info:status", "Unknown size"));
         d->m_ui->capacityBar->setValue(0);
     }
 }
 
 void KFilePropsPlugin::slotDirSizeUpdate()
 {
     KIO::filesize_t totalSize = d->dirSizeJob->totalSize();
     KIO::filesize_t totalFiles = d->dirSizeJob->totalFiles();
     KIO::filesize_t totalSubdirs = d->dirSizeJob->totalSubdirs();
     d->m_ui->sizeLabel->setText(i18n("Calculating... %1 (%2)\n%3, %4",
                                      KIO::convertSize(totalSize),
                                      QLocale().toString(totalSize),
                                      i18np("1 file", "%1 files", totalFiles),
                                      i18np("1 sub-folder", "%1 sub-folders", totalSubdirs)));
 }
 
 void KFilePropsPlugin::slotDirSizeFinished(KJob *job)
 {
     if (job->error()) {
         d->m_ui->sizeLabel->setText(job->errorString());
     } else {
         KIO::filesize_t totalSize = d->dirSizeJob->totalSize();
         KIO::filesize_t totalFiles = d->dirSizeJob->totalFiles();
         KIO::filesize_t totalSubdirs = d->dirSizeJob->totalSubdirs();
         d->m_ui->sizeLabel->setText(QStringLiteral("%1 (%2)\n%3, %4")
                                         .arg(KIO::convertSize(totalSize),
                                              QLocale().toString(totalSize),
                                              i18np("1 file", "%1 files", totalFiles),
                                              i18np("1 sub-folder", "%1 sub-folders", totalSubdirs)));
     }
     d->m_ui->stopCalculateSizeBtn->setEnabled(false);
     // just in case you change something and try again :)
     d->m_ui->calculateSizeBtn->setText(i18n("Refresh"));
     d->m_ui->calculateSizeBtn->setEnabled(true);
     d->dirSizeJob = nullptr;
     delete d->dirSizeUpdateTimer;
     d->dirSizeUpdateTimer = nullptr;
 }
 
 void KFilePropsPlugin::slotSizeDetermine()
 {
     d->m_ui->sizeLabel->setText(i18n("Calculating...\n"));
     // qDebug() << "properties->item()=" << properties->item() << "URL=" << properties->item().url();
 
     d->dirSizeJob = KIO::directorySize(properties->items());
     d->dirSizeUpdateTimer = new QTimer(this);
     connect(d->dirSizeUpdateTimer, &QTimer::timeout, this, &KFilePropsPlugin::slotDirSizeUpdate);
     d->dirSizeUpdateTimer->start(500);
     connect(d->dirSizeJob, &KJob::result, this, &KFilePropsPlugin::slotDirSizeFinished);
     d->m_ui->stopCalculateSizeBtn->setEnabled(true);
     d->m_ui->calculateSizeBtn->setEnabled(false);
 
     // also update the "Free disk space" display
     if (!d->m_ui->capacityBar->isHidden()) {
         const KFileItem item = properties->item();
         KIO::FileSystemFreeSpaceJob *job = KIO::fileSystemFreeSpace(item.url());
         connect(job, &KJob::result, this, &KFilePropsPlugin::slotFreeSpaceResult);
     }
 }
 
 void KFilePropsPlugin::slotSizeStop()
 {
     if (d->dirSizeJob) {
         KIO::filesize_t totalSize = d->dirSizeJob->totalSize();
         d->m_ui->sizeLabel->setText(i18n("At least %1\n", KIO::convertSize(totalSize)));
         d->dirSizeJob->kill();
         d->dirSizeJob = nullptr;
     }
     if (d->dirSizeUpdateTimer) {
         d->dirSizeUpdateTimer->stop();
     }
 
     d->m_ui->stopCalculateSizeBtn->setEnabled(false);
     d->m_ui->calculateSizeBtn->setEnabled(true);
 }
 
 void KFilePropsPlugin::slotSizeDetails()
 {
     // Open the current folder in filelight
     KService::Ptr service = KService::serviceByDesktopName(QStringLiteral("org.kde.filelight"));
     if (service) {
         auto *job = new KIO::ApplicationLauncherJob(service);
         job->setUrls({properties->url()});
         job->setUiDelegate(new KDialogJobUiDelegate(KJobUiDelegate::AutoHandlingEnabled, properties));
         job->start();
     }
 }
 
 KFilePropsPlugin::~KFilePropsPlugin() = default;
 
 bool KFilePropsPlugin::supports(const KFileItemList & /*_items*/)
 {
     return true;
 }
 
 void KFilePropsPlugin::applyChanges()
 {
     if (d->dirSizeJob) {
         slotSizeStop();
     }
 
     // qDebug() << "KFilePropsPlugin::applyChanges";
 
     if (!d->m_ui->fileNameLineEdit->isHidden()) {
         QString n = d->m_ui->fileNameLineEdit->text();
         // Remove trailing spaces (#4345)
         while (!n.isEmpty() && n[n.length() - 1].isSpace()) {
             n.chop(1);
         }
         if (n.isEmpty()) {
             KMessageBox::error(properties, i18n("The new file name is empty."));
             properties->abortApplying();
             return;
         }
 
         // Do we need to rename the file ?
         // qDebug() << "oldname = " << d->oldName;
         // qDebug() << "newname = " << n;
         if (d->oldName != n || d->m_bFromTemplate) { // true for any from-template file
             KIO::CopyJob *job = nullptr;
             QUrl oldurl = properties->url();
 
             QString newFileName = KIO::encodeFileName(n);
             if (d->bDesktopFile && !newFileName.endsWith(QLatin1String(".desktop"))) {
                 newFileName += QLatin1String(".desktop");
             }
 
             // Tell properties. Warning, this changes the result of properties->url() !
             properties->rename(newFileName);
 
             // Update also relative path (for apps)
             if (!d->m_sRelativePath.isEmpty()) {
                 determineRelativePath(properties->url().toLocalFile());
             }
 
             // qDebug() << "New URL = " << properties->url();
             // qDebug() << "old = " << oldurl.url();
 
             // Don't remove the template !!
             if (!d->m_bFromTemplate) { // (normal renaming)
                 job = KIO::moveAs(oldurl, properties->url());
             } else { // Copying a template
                 job = KIO::copyAs(oldurl, properties->url());
             }
             KJobWidgets::setWindow(job, properties);
             connect(job, &KJob::result, this, &KFilePropsPlugin::slotCopyFinished);
             connect(job, &KIO::CopyJob::renamed, this, &KFilePropsPlugin::slotFileRenamed);
             return;
         }
 
         properties->updateUrl(properties->url());
         // Update also relative path (for apps)
         if (!d->m_sRelativePath.isEmpty()) {
             determineRelativePath(properties->url().toLocalFile());
         }
     }
 
     // No job, keep going
     slotCopyFinished(nullptr);
 }
 
 void KFilePropsPlugin::slotCopyFinished(KJob *job)
 {
     // qDebug() << "KFilePropsPlugin::slotCopyFinished";
     if (job) {
         if (job->error()) {
             job->uiDelegate()->showErrorMessage();
             // Didn't work. Revert the URL to the old one
             properties->updateUrl(static_cast<KIO::CopyJob *>(job)->srcUrls().constFirst());
             properties->abortApplying(); // Don't apply the changes to the wrong file !
             return;
         }
     }
 
     Q_ASSERT(!properties->item().isNull());
     Q_ASSERT(!properties->item().url().isEmpty());
 
     // Save the file locally
     if (d->bDesktopFile && !d->m_sRelativePath.isEmpty()) {
         // qDebug() << "KFilePropsPlugin::slotCopyFinished " << d->m_sRelativePath;
         const QString newPath = QStandardPaths::writableLocation(QStandardPaths::ApplicationsLocation) + QLatin1Char('/') + d->m_sRelativePath;
         const QUrl newURL = QUrl::fromLocalFile(newPath);
         // qDebug() << "KFilePropsPlugin::slotCopyFinished path=" << newURL;
         properties->updateUrl(newURL);
     }
 
     if (d->bKDesktopMode && d->bDesktopFile) {
         // Renamed? Update Name field
         // Note: The desktop KIO worker does this as well, but not when
         //       the file is copied from a template.
         if (d->m_bFromTemplate) {
             KIO::StatJob *job = KIO::stat(properties->url());
             job->exec();
             KIO::UDSEntry entry = job->statResult();
 
             KFileItem item(entry, properties->url());
             KDesktopFile config(item.localPath());
             KConfigGroup cg = config.desktopGroup();
             QString nameStr = nameFromFileName(properties->url().fileName());
             cg.writeEntry("Name", nameStr);
             cg.writeEntry("Name", nameStr, KConfigGroup::Persistent | KConfigGroup::Localized);
         }
     }
 
     if (!d->m_ui->symlinkTargetEdit->isHidden() && !d->bMultiple) {
         const KFileItem item = properties->item();
         const QString newTarget = d->m_ui->symlinkTargetEdit->text();
         if (newTarget != item.linkDest()) {
             // qDebug() << "Updating target of symlink to" << newTarget;
             KIO::Job *job = KIO::symlink(newTarget, item.url(), KIO::Overwrite);
             job->uiDelegate()->setAutoErrorHandlingEnabled(true);
             job->exec();
         }
     }
 
     // "Link to Application" templates need to be made executable
     // Instead of matching against a filename we check if the destination
     // is an Application now.
     if (d->m_bFromTemplate) {
         // destination is not necessarily local, use the src template
         KDesktopFile templateResult(static_cast<KIO::CopyJob *>(job)->srcUrls().constFirst().toLocalFile());
         if (templateResult.hasApplicationType()) {
             // We can either stat the file and add the +x bit or use the larger chmod() job
             // with a umask designed to only touch u+x.  This is only one KIO job, so let's
             // do that.
 
             KFileItem appLink(properties->item());
             KFileItemList fileItemList;
             fileItemList << appLink;
 
             // first 0100 adds u+x, second 0100 only allows chmod to change u+x
             KIO::Job *chmodJob = KIO::chmod(fileItemList, 0100, 0100, QString(), QString(), KIO::HideProgressInfo);
             chmodJob->exec();
         }
     }
 
     setDirty(false);
     Q_EMIT changesApplied();
 }
 
 void KFilePropsPlugin::applyIconChanges()
 {
     if (d->m_ui->iconButton->isHidden() || !d->bIconChanged) {
         return;
     }
     // handle icon changes - only local files (or pseudo-local) for now
     // TODO: Use KTempFile and KIO::file_copy with overwrite = true
     QUrl url = properties->url();
     KIO::StatJob *job = KIO::mostLocalUrl(url);
     KJobWidgets::setWindow(job, properties);
     job->exec();
     url = job->mostLocalUrl();
 
     if (url.isLocalFile()) {
         QString path;
 
         if (Utils::isDirMask(properties->item().mode())) {
             path = url.toLocalFile() + QLatin1String("/.directory");
             // don't call updateUrl because the other tabs (i.e. permissions)
             // apply to the directory, not the .directory file.
         } else {
             path = url.toLocalFile();
         }
 
         // Get the default image
         QMimeDatabase db;
         const QString str = db.mimeTypeForFile(url.toLocalFile(), QMimeDatabase::MatchExtension).iconName();
         // Is it another one than the default ?
         QString sIcon;
         if (const QString currIcon = d->m_ui->iconButton->icon(); str != currIcon) {
             sIcon = currIcon;
         }
         // (otherwise write empty value)
 
         // qDebug() << "**" << path << "**";
 
         // If default icon and no .directory file -> don't create one
         if (!sIcon.isEmpty() || QFile::exists(path)) {
             KDesktopFile cfg(path);
             // qDebug() << "sIcon = " << (sIcon);
             // qDebug() << "str = " << (str);
             cfg.desktopGroup().writeEntry("Icon", sIcon);
             cfg.sync();
 
             cfg.reparseConfiguration();
             if (cfg.desktopGroup().readEntry("Icon") != sIcon) {
                 properties->abortApplying();
 
                 KMessageBox::error(nullptr, couldNotSaveMsg(path));
             }
         }
     }
 }
 
 void KFilePropsPlugin::updateDefaultHandler(const QString &mimeType)
 {
     const bool isGeneric = d->mimeType == QLatin1String("application/octet-stream");
 
     const auto service = KApplicationTrader::preferredService(mimeType);
     if (!isGeneric && service) {
         const int iconSize = properties->style()->pixelMetric(QStyle::PM_SmallIconSize);
         d->m_ui->defaultHandlerIcon->setPixmap(QIcon::fromTheme(service->icon()).pixmap(iconSize));
         d->m_ui->defaultHandlerIcon->show();
         d->m_ui->defaultHandlerLabel->setText(service->name());
         d->m_ui->defaultHandlerLabel->setDisabled(false);
     } else {
         d->m_ui->defaultHandlerIcon->hide();
         if (isGeneric) {
             d->m_ui->defaultHandlerLabel->setText(i18n("No registered file type"));
         } else {
             d->m_ui->defaultHandlerLabel->setText(i18n("No associated application"));
         }
         d->m_ui->defaultHandlerLabel->setDisabled(true);
     }
 
     if (isGeneric) {
         d->m_ui->configureMimeBtn->setText(i18nc("@action:button Create new file type", "Create…"));
         d->m_ui->configureMimeBtn->setIcon(QIcon::fromTheme(QStringLiteral("document-new")));
     } else {
         d->m_ui->configureMimeBtn->setText(i18nc("@action:button", "Change…"));
         d->m_ui->configureMimeBtn->setIcon(QIcon::fromTheme(QStringLiteral("configure")));
     }
 }
 
 void KFilePropsPlugin::slotFileRenamed(KIO::Job *, const QUrl &, const QUrl &newUrl)
 {
     // This is called in case of an existing local file during the copy/move operation,
     // if the user chooses Rename.
     properties->updateUrl(newUrl);
 }
 
 void KFilePropsPlugin::postApplyChanges()
 {
     // Save the icon only after applying the permissions changes (#46192)
     applyIconChanges();
 
     const KFileItemList items = properties->items();
     const QList<QUrl> lst = items.urlList();
     org::kde::KDirNotify::emitFilesChanged(QList<QUrl>(lst));
 }
 
 class KFilePermissionsPropsPlugin::KFilePermissionsPropsPluginPrivate
 {
 public:
     QFrame *m_frame = nullptr;
     QCheckBox *cbRecursive = nullptr;
     QLabel *explanationLabel = nullptr;
     QComboBox *ownerPermCombo = nullptr;
     QComboBox *groupPermCombo = nullptr;
     QComboBox *othersPermCombo = nullptr;
     QCheckBox *extraCheckbox = nullptr;
     mode_t partialPermissions;
     KFilePermissionsPropsPlugin::PermissionsMode pmode;
     bool canChangePermissions;
     bool isIrregular;
     bool hasExtendedACL;
     KACL extendedACL;
     KACL defaultACL;
     bool fileSystemSupportsACLs;
 
     QComboBox *grpCombo = nullptr;
 
     KLineEdit *usrEdit = nullptr;
     KLineEdit *grpEdit = nullptr;
 
     // Old permissions
     mode_t permissions;
     // Old group
     QString strGroup;
     // Old owner
     QString strOwner;
 };
 
 static constexpr mode_t UniOwner{S_IRUSR | S_IWUSR | S_IXUSR};
 static constexpr mode_t UniGroup{S_IRGRP | S_IWGRP | S_IXGRP};
 static constexpr mode_t UniOthers{S_IROTH | S_IWOTH | S_IXOTH};
 static constexpr mode_t UniRead{S_IRUSR | S_IRGRP | S_IROTH};
 static constexpr mode_t UniWrite{S_IWUSR | S_IWGRP | S_IWOTH};
 static constexpr mode_t UniExec{S_IXUSR | S_IXGRP | S_IXOTH};
 static constexpr mode_t UniSpecial{S_ISUID | S_ISGID | S_ISVTX};
 static constexpr mode_t s_invalid_mode_t{static_cast<mode_t>(-1)};
 
 // synced with PermissionsTarget
 constexpr mode_t KFilePermissionsPropsPlugin::permissionsMasks[3] = {UniOwner, UniGroup, UniOthers};
 constexpr mode_t KFilePermissionsPropsPlugin::standardPermissions[4] = {0, UniRead, UniRead | UniWrite, s_invalid_mode_t};
 
 // synced with PermissionsMode and standardPermissions
 static constexpr KLazyLocalizedString permissionsTexts[4][4] = {
     {kli18n("No Access"), kli18n("Can Only View"), kli18n("Can View & Modify"), {}},
     {kli18n("No Access"), kli18n("Can Only View Content"), kli18n("Can View & Modify Content"), {}},
     {{}, {}, {}, {}}, // no texts for links
     {kli18n("No Access"), kli18n("Can Only View/Read Content"), kli18n("Can View/Read & Modify/Write"), {}}};
 
 KFilePermissionsPropsPlugin::KFilePermissionsPropsPlugin(KPropertiesDialog *_props)
     : KPropertiesDialogPlugin(_props)
     , d(new KFilePermissionsPropsPluginPrivate)
 {
     const auto &[localUrl, isLocal] = properties->item().isMostLocalUrl();
     bool isTrash = (properties->url().scheme() == QLatin1String("trash"));
     KUser myself(KUser::UseEffectiveUID);
     const bool IamRoot = myself.isSuperUser();
 
     const KFileItem firstItem = properties->item();
     bool isLink = firstItem.isLink();
     bool isDir = firstItem.isDir(); // all dirs
     bool hasDir = firstItem.isDir(); // at least one dir
     d->permissions = firstItem.permissions(); // common permissions to all files
     d->partialPermissions = d->permissions; // permissions that only some files have (at first we take everything)
     d->isIrregular = isIrregular(d->permissions, isDir, isLink);
     d->strOwner = firstItem.user();
     d->strGroup = firstItem.group();
     d->hasExtendedACL = firstItem.ACL().isExtended() || firstItem.defaultACL().isValid();
     d->extendedACL = firstItem.ACL();
     d->defaultACL = firstItem.defaultACL();
     d->fileSystemSupportsACLs = false;
 
     if (properties->items().count() > 1) {
         // Multiple items: see what they have in common
         const KFileItemList items = properties->items();
         for (const auto &item : items) {
             if (item == firstItem) { // No need to check the first one again
                 continue;
             }
 
             const bool isItemDir = item.isDir();
             const bool isItemLink = item.isLink();
 
             if (!d->isIrregular) {
                 d->isIrregular |= isIrregular(item.permissions(), isItemDir == isDir, isItemLink == isLink);
             }
 
             d->hasExtendedACL = d->hasExtendedACL || item.hasExtendedACL();
 
             if (isItemLink != isLink) {
                 isLink = false;
             }
 
             if (isItemDir != isDir) {
                 isDir = false;
             }
             hasDir |= isItemDir;
 
             if (item.permissions() != d->permissions) {
                 d->permissions &= item.permissions();
                 d->partialPermissions |= item.permissions();
             }
 
             if (item.user() != d->strOwner) {
                 d->strOwner.clear();
             }
 
             if (item.group() != d->strGroup) {
                 d->strGroup.clear();
             }
         }
     }
 
     if (isLink) {
         d->pmode = PermissionsOnlyLinks;
     } else if (isDir) {
         d->pmode = PermissionsOnlyDirs;
     } else if (hasDir) {
         d->pmode = PermissionsMixed;
     } else {
         d->pmode = PermissionsOnlyFiles;
     }
 
     // keep only what's not in the common permissions
     d->partialPermissions = d->partialPermissions & ~d->permissions;
 
     bool isMyFile = false;
 
     if (isLocal && !d->strOwner.isEmpty()) { // local files, and all owned by the same person
         if (myself.isValid()) {
             isMyFile = (d->strOwner == myself.loginName());
         } else {
             qCWarning(KIO_WIDGETS) << "I don't exist ?! geteuid=" << KUserId::currentEffectiveUserId().toString();
         }
     } else {
         // We don't know, for remote files, if they are ours or not.
         // So we let the user change permissions, and
         // KIO::chmod will tell, if he had no right to do it.
         isMyFile = true;
     }
 
     d->canChangePermissions = (isMyFile || IamRoot) && (!isLink);
 
     // create GUI
 
     d->m_frame = new QFrame();
     properties->addPage(d->m_frame, i18n("&Permissions"));
 
     QBoxLayout *box = new QVBoxLayout(d->m_frame);
     box->setContentsMargins(0, 0, 0, 0);
 
     QWidget *l;
     QLabel *lbl;
     QGroupBox *gb;
     QGridLayout *gl;
     QPushButton *pbAdvancedPerm = nullptr;
 
     /* Group: Access Permissions */
     gb = new QGroupBox(i18n("Access Permissions"), d->m_frame);
     box->addWidget(gb);
 
     gl = new QGridLayout(gb);
     gl->setColumnStretch(1, 1);
 
     l = d->explanationLabel = new QLabel(gb);
     if (isLink) {
         d->explanationLabel->setText(
             i18np("This file is a link and does not have permissions.", "All files are links and do not have permissions.", properties->items().count()));
     } else if (!d->canChangePermissions) {
         d->explanationLabel->setText(i18n("Only the owner can change permissions."));
     }
     gl->addWidget(l, 0, 0, 1, 2);
 
     lbl = new QLabel(i18n("O&wner:"), gb);
     gl->addWidget(lbl, 1, 0, Qt::AlignRight);
     l = d->ownerPermCombo = new QComboBox(gb);
     lbl->setBuddy(l);
     gl->addWidget(l, 1, 1);
     connect(d->ownerPermCombo, &QComboBox::activated, this, &KPropertiesDialogPlugin::changed);
     l->setWhatsThis(i18n("Specifies the actions that the owner is allowed to do."));
 
     lbl = new QLabel(i18n("Gro&up:"), gb);
     gl->addWidget(lbl, 2, 0, Qt::AlignRight);
     l = d->groupPermCombo = new QComboBox(gb);
     lbl->setBuddy(l);
     gl->addWidget(l, 2, 1);
     connect(d->groupPermCombo, &QComboBox::activated, this, &KPropertiesDialogPlugin::changed);
     l->setWhatsThis(i18n("Specifies the actions that the members of the group are allowed to do."));
 
     lbl = new QLabel(i18n("O&thers:"), gb);
     gl->addWidget(lbl, 3, 0, Qt::AlignRight);
     l = d->othersPermCombo = new QComboBox(gb);
     lbl->setBuddy(l);
     gl->addWidget(l, 3, 1);
     connect(d->othersPermCombo, &QComboBox::activated, this, &KPropertiesDialogPlugin::changed);
     l->setWhatsThis(
         i18n("Specifies the actions that all users, who are neither "
              "owner nor in the group, are allowed to do."));
 
     if (!isLink) {
         l = d->extraCheckbox = new QCheckBox(hasDir ? i18n("Only own&er can rename and delete folder content") : i18n("Is &executable"), gb);
         connect(d->extraCheckbox, &QAbstractButton::clicked, this, &KPropertiesDialogPlugin::changed);
         gl->addWidget(l, 4, 1);
         l->setWhatsThis(hasDir ? i18n("Enable this option to allow only the folder's owner to "
                                       "delete or rename the contained files and folders. Other "
                                       "users can only add new files, which requires the 'Modify "
                                       "Content' permission.")
                                : i18n("Enable this option to mark the file as executable. This only makes "
                                       "sense for programs and scripts. It is required when you want to "
                                       "execute them."));
 
         QLayoutItem *spacer = new QSpacerItem(0, 20, QSizePolicy::Minimum, QSizePolicy::Expanding);
         gl->addItem(spacer, 5, 0, 1, 3);
 
         pbAdvancedPerm = new QPushButton(i18n("A&dvanced Permissions"), gb);
         gl->addWidget(pbAdvancedPerm, 6, 0, 1, 2, Qt::AlignRight);
         connect(pbAdvancedPerm, &QAbstractButton::clicked, this, &KFilePermissionsPropsPlugin::slotShowAdvancedPermissions);
     } else {
         d->extraCheckbox = nullptr;
     }
 
     /**** Group: Ownership ****/
     gb = new QGroupBox(i18n("Ownership"), d->m_frame);
     box->addWidget(gb);
 
     gl = new QGridLayout(gb);
     gl->addItem(new QSpacerItem(0, 10), 0, 0);
 
     /*** Set Owner ***/
     l = new QLabel(i18n("User:"), gb);
     gl->addWidget(l, 1, 0, Qt::AlignRight);
 
     /* GJ: Don't autocomplete more than 1000 users. This is a kind of random
      * value. Huge sites having 10.000+ user have a fair chance of using NIS,
      * (possibly) making this unacceptably slow.
      * OTOH, it is nice to offer this functionality for the standard user.
      */
     int maxEntries = 1000;
 
     /* File owner: For root, offer a KLineEdit with autocompletion.
      * For a user, who can never chown() a file, offer a QLabel.
      */
     if (IamRoot && isLocal) {
         d->usrEdit = new KLineEdit(gb);
         KCompletion *kcom = d->usrEdit->completionObject();
         kcom->setOrder(KCompletion::Sorted);
         QStringList userNames = KUser::allUserNames(maxEntries);
         kcom->setItems(userNames);
         d->usrEdit->setCompletionMode((userNames.size() < maxEntries) ? KCompletion::CompletionAuto : KCompletion::CompletionNone);
         d->usrEdit->setText(d->strOwner);
         gl->addWidget(d->usrEdit, 1, 1);
         connect(d->usrEdit, &QLineEdit::textChanged, this, &KPropertiesDialogPlugin::changed);
     } else {
         l = new QLabel(d->strOwner, gb);
         gl->addWidget(l, 1, 1);
     }
 
     /*** Set Group ***/
     QStringList groupList = myself.groupNames();
     const bool isMyGroup = groupList.contains(d->strGroup);
 
     /* add the group the file currently belongs to ..
      * .. if it is not there already
      */
     if (!isMyGroup) {
         groupList += d->strGroup;
     }
 
     l = new QLabel(i18n("Group:"), gb);
     gl->addWidget(l, 2, 0, Qt::AlignRight);
 
     /* Set group: if possible to change:
      * - Offer a KLineEdit for root, since he can change to any group.
      * - Offer a QComboBox for a normal user, since he can change to a fixed
      *   (small) set of groups only.
      * If not changeable: offer a QLabel.
      */
     if (IamRoot && isLocal) {
         d->grpEdit = new KLineEdit(gb);
         KCompletion *kcom = new KCompletion;
         kcom->setItems(groupList);
         d->grpEdit->setCompletionObject(kcom, true);
         d->grpEdit->setAutoDeleteCompletionObject(true);
         d->grpEdit->setCompletionMode(KCompletion::CompletionAuto);
         d->grpEdit->setText(d->strGroup);
         gl->addWidget(d->grpEdit, 2, 1);
         connect(d->grpEdit, &QLineEdit::textChanged, this, &KPropertiesDialogPlugin::changed);
     } else if ((groupList.count() > 1) && isMyFile && isLocal) {
         d->grpCombo = new QComboBox(gb);
         d->grpCombo->setObjectName(QStringLiteral("combogrouplist"));
         d->grpCombo->addItems(groupList);
         d->grpCombo->setCurrentIndex(groupList.indexOf(d->strGroup));
         gl->addWidget(d->grpCombo, 2, 1);
         connect(d->grpCombo, &QComboBox::activated, this, &KPropertiesDialogPlugin::changed);
     } else {
         l = new QLabel(d->strGroup, gb);
         gl->addWidget(l, 2, 1);
     }
 
     gl->setColumnStretch(2, 10);
 
     // "Apply recursive" checkbox
     if (hasDir && !isLink && !isTrash) {
         d->cbRecursive = new QCheckBox(i18n("Apply changes to all subfolders and their contents"), d->m_frame);
         connect(d->cbRecursive, &QAbstractButton::clicked, this, &KPropertiesDialogPlugin::changed);
         box->addWidget(d->cbRecursive);
     }
 
     updateAccessControls();
 
     if (isTrash) {
         // don't allow to change properties for file into trash
         enableAccessControls(false);
         if (pbAdvancedPerm) {
             pbAdvancedPerm->setEnabled(false);
         }
     }
 
     box->addStretch(10);
 }
 
 #if HAVE_POSIX_ACL
 static bool fileSystemSupportsACL(const QByteArray &path)
 {
     bool fileSystemSupportsACLs = false;
 #ifdef Q_OS_FREEBSD
     // FIXME: unbreak and enable this
     // Maybe use pathconf(2) to perform this check?
     // struct statfs buf;
     // fileSystemSupportsACLs = (statfs(path.data(), &buf) == 0) && (buf.f_flags & MNT_ACLS);
     Q_UNUSED(path);
 #elif defined Q_OS_MACOS
     fileSystemSupportsACLs = getxattr(path.data(), "system.posix_acl_access", nullptr, 0, 0, XATTR_NOFOLLOW) >= 0 || errno == ENODATA;
 #else
     fileSystemSupportsACLs = getxattr(path.data(), "system.posix_acl_access", nullptr, 0) >= 0 || errno == ENODATA;
 #endif
     return fileSystemSupportsACLs;
 }
 #endif
 
 void KFilePermissionsPropsPlugin::slotShowAdvancedPermissions()
 {
     bool isDir = (d->pmode == PermissionsOnlyDirs) || (d->pmode == PermissionsMixed);
     QDialog dlg(properties);
     dlg.setModal(true);
     dlg.setWindowTitle(i18n("Advanced Permissions"));
 
     QLabel *l;
     QLabel *cl[3];
     QGroupBox *gb;
     QGridLayout *gl;
 
     QVBoxLayout *vbox = new QVBoxLayout(&dlg);
     // Group: Access Permissions
     gb = new QGroupBox(i18n("Access Permissions"), &dlg);
     vbox->addWidget(gb);
 
     gl = new QGridLayout(gb);
     gl->addItem(new QSpacerItem(0, 10), 0, 0);
 
     QList<QWidget *> theNotSpecials;
 
     l = new QLabel(i18n("Class"), gb);
     gl->addWidget(l, 1, 0);
     theNotSpecials.append(l);
 
     QString readWhatsThis;
     QString readLabel;
     if (isDir) {
         readLabel = i18n("Show\nEntries");
         readWhatsThis = i18n("This flag allows viewing the content of the folder.");
     } else {
         readLabel = i18n("Read");
         readWhatsThis = i18n("The Read flag allows viewing the content of the file.");
     }
 
     QString writeWhatsThis;
     QString writeLabel;
     if (isDir) {
         writeLabel = i18n("Write\nEntries");
         writeWhatsThis = i18n(
             "This flag allows adding, renaming and deleting of files. "
             "Note that deleting and renaming can be limited using the Sticky flag.");
     } else {
         writeLabel = i18n("Write");
         writeWhatsThis = i18n("The Write flag allows modifying the content of the file.");
     }
 
     QString execLabel;
     QString execWhatsThis;
     if (isDir) {
         execLabel = i18nc("Enter folder", "Enter");
         execWhatsThis = i18n("Enable this flag to allow entering the folder.");
     } else {
         execLabel = i18n("Exec");
         execWhatsThis = i18n("Enable this flag to allow executing the file as a program.");
     }
     // GJ: Add space between normal and special modes
     QSize size = l->sizeHint();
     size.setWidth(size.width() + 15);
     l->setFixedSize(size);
     gl->addWidget(l, 1, 3);
 
     l = new QLabel(i18n("Special"), gb);
     gl->addWidget(l, 1, 4, 1, 1);
     QString specialWhatsThis;
     if (isDir) {
         specialWhatsThis = i18n(
             "Special flag. Valid for the whole folder, the exact "
             "meaning of the flag can be seen in the right hand column.");
     } else {
         specialWhatsThis = i18n(
             "Special flag. The exact meaning of the flag can be seen "
             "in the right hand column.");
     }
     l->setWhatsThis(specialWhatsThis);
 
     cl[0] = new QLabel(i18n("User"), gb);
     gl->addWidget(cl[0], 2, 0);
     theNotSpecials.append(cl[0]);
 
     cl[1] = new QLabel(i18n("Group"), gb);
     gl->addWidget(cl[1], 3, 0);
     theNotSpecials.append(cl[1]);
 
     cl[2] = new QLabel(i18n("Others"), gb);
     gl->addWidget(cl[2], 4, 0);
     theNotSpecials.append(cl[2]);
 
     QString setUidWhatsThis;
     if (isDir) {
         setUidWhatsThis = i18n(
             "If this flag is set, the owner of this folder will be "
             "the owner of all new files.");
     } else {
         setUidWhatsThis = i18n(
             "If this file is an executable and the flag is set, it will "
             "be executed with the permissions of the owner.");
     }
 
     QString setGidWhatsThis;
     if (isDir) {
         setGidWhatsThis = i18n(
             "If this flag is set, the group of this folder will be "
             "set for all new files.");
     } else {
         setGidWhatsThis = i18n(
             "If this file is an executable and the flag is set, it will "
             "be executed with the permissions of the group.");
     }
 
     QString stickyWhatsThis;
     if (isDir) {
         stickyWhatsThis = i18n(
             "If the Sticky flag is set on a folder, only the owner "
             "and root can delete or rename files. Otherwise everybody "
             "with write permissions can do this.");
     } else {
         stickyWhatsThis = i18n(
             "The Sticky flag on a file is ignored on Linux, but may "
             "be used on some systems");
     }
     mode_t aPermissions = 0;
     mode_t aPartialPermissions = 0;
     mode_t dummy1 = 0;
     mode_t dummy2 = 0;
 
     if (!d->isIrregular) {
         switch (d->pmode) {
         case PermissionsOnlyFiles:
             getPermissionMasks(aPartialPermissions, dummy1, aPermissions, dummy2);
             break;
         case PermissionsOnlyDirs:
         case PermissionsMixed:
             getPermissionMasks(dummy1, aPartialPermissions, dummy2, aPermissions);
             break;
         case PermissionsOnlyLinks:
             aPermissions = UniRead | UniWrite | UniExec | UniSpecial;
             break;
         }
     } else {
         aPermissions = d->permissions;
         aPartialPermissions = d->partialPermissions;
     }
 
     // Draw Checkboxes
     QCheckBox *cba[3][4];
     for (int row = 0; row < 3; ++row) {
         for (int col = 0; col < 4; ++col) {
             QCheckBox *cb = new QCheckBox(gb);
             if (col != 3) {
                 theNotSpecials.append(cb);
             }
             cba[row][col] = cb;
             cb->setChecked(aPermissions & fperm[row][col]);
             if (aPartialPermissions & fperm[row][col]) {
                 cb->setTristate();
                 cb->setCheckState(Qt::PartiallyChecked);
             } else if (d->cbRecursive && d->cbRecursive->isChecked()) {
                 cb->setTristate();
             }
 
             cb->setEnabled(d->canChangePermissions);
             gl->addWidget(cb, row + 2, col + 1);
             switch (col) {
             case 0:
                 cb->setText(readLabel);
                 cb->setWhatsThis(readWhatsThis);
                 break;
             case 1:
                 cb->setText(writeLabel);
                 cb->setWhatsThis(writeWhatsThis);
                 break;
             case 2:
                 cb->setText(execLabel);
                 cb->setWhatsThis(execWhatsThis);
                 break;
             case 3:
                 switch (row) {
                 case 0:
                     cb->setText(i18n("Set UID"));
                     cb->setWhatsThis(setUidWhatsThis);
                     break;
                 case 1:
                     cb->setText(i18n("Set GID"));
                     cb->setWhatsThis(setGidWhatsThis);
                     break;
                 case 2:
                     cb->setText(i18nc("File permission", "Sticky"));
                     cb->setWhatsThis(stickyWhatsThis);
                     break;
                 }
                 break;
             }
         }
     }
     gl->setColumnStretch(6, 10);
 
 #if HAVE_POSIX_ACL
     KACLEditWidget *extendedACLs = nullptr;
 
     // FIXME make it work with partial entries
     if (properties->items().count() == 1) {
         QByteArray path = QFile::encodeName(properties->item().url().toLocalFile());
         d->fileSystemSupportsACLs = fileSystemSupportsACL(path);
     }
     if (d->fileSystemSupportsACLs) {
         std::for_each(theNotSpecials.begin(), theNotSpecials.end(), std::mem_fn(&QWidget::hide));
         extendedACLs = new KACLEditWidget(&dlg);
         extendedACLs->setEnabled(d->canChangePermissions);
         vbox->addWidget(extendedACLs);
         if (d->extendedACL.isValid() && d->extendedACL.isExtended()) {
             extendedACLs->setACL(d->extendedACL);
         } else {
             extendedACLs->setACL(KACL(aPermissions));
         }
 
         if (d->defaultACL.isValid()) {
             extendedACLs->setDefaultACL(d->defaultACL);
         }
 
         if (properties->items().constFirst().isDir()) {
             extendedACLs->setAllowDefaults(true);
         }
     }
 #endif
 
     QDialogButtonBox *buttonBox = new QDialogButtonBox(&dlg);
     buttonBox->setStandardButtons(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
     connect(buttonBox, &QDialogButtonBox::accepted, &dlg, &QDialog::accept);
     connect(buttonBox, &QDialogButtonBox::rejected, &dlg, &QDialog::reject);
     vbox->addWidget(buttonBox);
 
     if (dlg.exec() != QDialog::Accepted) {
         return;
     }
 
     mode_t andPermissions = mode_t(~0);
     mode_t orPermissions = 0;
     for (int row = 0; row < 3; ++row) {
         for (int col = 0; col < 4; ++col) {
             switch (cba[row][col]->checkState()) {
             case Qt::Checked:
                 orPermissions |= fperm[row][col];
             // fall through
             case Qt::Unchecked:
                 andPermissions &= ~fperm[row][col];
                 break;
             case Qt::PartiallyChecked:
                 break;
             }
         }
     }
 
     const KFileItemList items = properties->items();
     d->isIrregular = std::any_of(items.cbegin(), items.cend(), [this, andPermissions, orPermissions](const KFileItem &item) {
         return isIrregular((item.permissions() & andPermissions) | orPermissions, item.isDir(), item.isLink());
     });
 
     d->permissions = orPermissions;
     d->partialPermissions = andPermissions;
 
 #if HAVE_POSIX_ACL
     // override with the acls, if present
     if (extendedACLs) {
         d->extendedACL = extendedACLs->getACL();
         d->defaultACL = extendedACLs->getDefaultACL();
         d->hasExtendedACL = d->extendedACL.isExtended() || d->defaultACL.isValid();
         d->permissions = d->extendedACL.basePermissions();
         d->permissions |= (andPermissions | orPermissions) & (S_ISUID | S_ISGID | S_ISVTX);
     }
 #endif
 
     updateAccessControls();
     Q_EMIT changed();
 }
 
 KFilePermissionsPropsPlugin::~KFilePermissionsPropsPlugin() = default;
 
 bool KFilePermissionsPropsPlugin::supports(const KFileItemList &items)
 {
     return std::any_of(items.cbegin(), items.cend(), [](const KFileItem &item) {
         return KProtocolManager::supportsPermissions(item.url());
     });
 }
 
 // sets a combo box in the Access Control frame
 void KFilePermissionsPropsPlugin::setComboContent(QComboBox *combo, PermissionsTarget target, mode_t permissions, mode_t partial)
 {
     combo->clear();
     if (d->isIrregular) { // #176876
         return;
     }
 
     if (d->pmode == PermissionsOnlyLinks) {
         combo->addItem(i18n("Link"));
         combo->setCurrentIndex(0);
         return;
     }
 
     mode_t tMask = permissionsMasks[target];
     int textIndex;
     for (textIndex = 0; standardPermissions[textIndex] != s_invalid_mode_t; ++textIndex) {
         if ((standardPermissions[textIndex] & tMask) == (permissions & tMask & (UniRead | UniWrite))) {
             break;
         }
     }
     Q_ASSERT(standardPermissions[textIndex] != s_invalid_mode_t); // must not happen, would be irreglar
 
     const auto permsTexts = permissionsTexts[static_cast<int>(d->pmode)];
     for (int i = 0; !permsTexts[i].isEmpty(); ++i) {
         combo->addItem(permsTexts[i].toString());
     }
 
     if (partial & tMask & ~UniExec) {
         combo->addItem(i18n("Varying (No Change)"));
         combo->setCurrentIndex(3);
     } else {
         combo->setCurrentIndex(textIndex);
     }
 }
 
 // permissions are irregular if they can't be displayed in a combo box.
 bool KFilePermissionsPropsPlugin::isIrregular(mode_t permissions, bool isDir, bool isLink)
 {
     if (isLink) { // links are always ok
         return false;
     }
 
     mode_t p = permissions;
     if (p & (S_ISUID | S_ISGID)) { // setuid/setgid -> irregular
         return true;
     }
     if (isDir) {
         p &= ~S_ISVTX; // ignore sticky on dirs
 
         // check supported flag combinations
         mode_t p0 = p & UniOwner;
         if ((p0 != 0) && (p0 != (S_IRUSR | S_IXUSR)) && (p0 != UniOwner)) {
             return true;
         }
         p0 = p & UniGroup;
         if ((p0 != 0) && (p0 != (S_IRGRP | S_IXGRP)) && (p0 != UniGroup)) {
             return true;
         }
         p0 = p & UniOthers;
         if ((p0 != 0) && (p0 != (S_IROTH | S_IXOTH)) && (p0 != UniOthers)) {
             return true;
         }
         return false;
     }
     if (p & S_ISVTX) { // sticky on file -> irregular
         return true;
     }
 
     // check supported flag combinations
     mode_t p0 = p & UniOwner;
     bool usrXPossible = !p0; // true if this file could be an executable
     if (p0 & S_IXUSR) {
         if ((p0 == S_IXUSR) || (p0 == (S_IWUSR | S_IXUSR))) {
             return true;
         }
         usrXPossible = true;
     } else if (p0 == S_IWUSR) {
         return true;
     }
 
     p0 = p & UniGroup;
     bool grpXPossible = !p0; // true if this file could be an executable
     if (p0 & S_IXGRP) {
         if ((p0 == S_IXGRP) || (p0 == (S_IWGRP | S_IXGRP))) {
             return true;
         }
         grpXPossible = true;
     } else if (p0 == S_IWGRP) {
         return true;
     }
     if (p0 == 0) {
         grpXPossible = true;
     }
 
     p0 = p & UniOthers;
     bool othXPossible = !p0; // true if this file could be an executable
     if (p0 & S_IXOTH) {
         if ((p0 == S_IXOTH) || (p0 == (S_IWOTH | S_IXOTH))) {
             return true;
         }
         othXPossible = true;
     } else if (p0 == S_IWOTH) {
         return true;
     }
 
     // check that there either all targets are executable-compatible, or none
     return (p & UniExec) && !(usrXPossible && grpXPossible && othXPossible);
 }
 
 // enables/disabled the widgets in the Access Control frame
 void KFilePermissionsPropsPlugin::enableAccessControls(bool enable)
 {
     d->ownerPermCombo->setEnabled(enable);
     d->groupPermCombo->setEnabled(enable);
     d->othersPermCombo->setEnabled(enable);
     if (d->extraCheckbox) {
         d->extraCheckbox->setEnabled(enable);
     }
     if (d->cbRecursive) {
         d->cbRecursive->setEnabled(enable);
     }
 }
 
 // updates all widgets in the Access Control frame
 void KFilePermissionsPropsPlugin::updateAccessControls()
 {
     setComboContent(d->ownerPermCombo, PermissionsOwner, d->permissions, d->partialPermissions);
     setComboContent(d->groupPermCombo, PermissionsGroup, d->permissions, d->partialPermissions);
     setComboContent(d->othersPermCombo, PermissionsOthers, d->permissions, d->partialPermissions);
 
     switch (d->pmode) {
     case PermissionsOnlyLinks:
         enableAccessControls(false);
         break;
     case PermissionsOnlyFiles:
         enableAccessControls(d->canChangePermissions && !d->isIrregular && !d->hasExtendedACL);
         if (d->canChangePermissions) {
             d->explanationLabel->setText(
                 d->isIrregular || d->hasExtendedACL
                     ? i18np("This file uses advanced permissions", "These files use advanced permissions.", properties->items().count())
                     : QString());
         }
         if (d->partialPermissions & UniExec) {
             d->extraCheckbox->setTristate();
             d->extraCheckbox->setCheckState(Qt::PartiallyChecked);
         } else {
             d->extraCheckbox->setTristate(false);
             d->extraCheckbox->setChecked(d->permissions & UniExec);
         }
         break;
     case PermissionsOnlyDirs:
         enableAccessControls(d->canChangePermissions && !d->isIrregular && !d->hasExtendedACL);
         // if this is a dir, and we can change permissions, don't dis-allow
         // recursive, we can do that for ACL setting.
         if (d->cbRecursive) {
             d->cbRecursive->setEnabled(d->canChangePermissions && !d->isIrregular);
         }
 
         if (d->canChangePermissions) {
             d->explanationLabel->setText(
                 d->isIrregular || d->hasExtendedACL
                     ? i18np("This folder uses advanced permissions.", "These folders use advanced permissions.", properties->items().count())
                     : QString());
         }
         if (d->partialPermissions & S_ISVTX) {
             d->extraCheckbox->setTristate();
             d->extraCheckbox->setCheckState(Qt::PartiallyChecked);
         } else {
             d->extraCheckbox->setTristate(false);
             d->extraCheckbox->setChecked(d->permissions & S_ISVTX);
         }
         break;
     case PermissionsMixed:
         enableAccessControls(d->canChangePermissions && !d->isIrregular && !d->hasExtendedACL);
         if (d->canChangePermissions) {
             d->explanationLabel->setText(d->isIrregular || d->hasExtendedACL ? i18n("These files use advanced permissions.") : QString());
         }
         if (d->partialPermissions & S_ISVTX) {
             d->extraCheckbox->setTristate();
             d->extraCheckbox->setCheckState(Qt::PartiallyChecked);
         } else {
             d->extraCheckbox->setTristate(false);
             d->extraCheckbox->setChecked(d->permissions & S_ISVTX);
         }
         break;
     }
 }
 
 // gets masks for files and dirs from the Access Control frame widgets
 void KFilePermissionsPropsPlugin::getPermissionMasks(mode_t &andFilePermissions, mode_t &andDirPermissions, mode_t &orFilePermissions, mode_t &orDirPermissions)
 {
     andFilePermissions = mode_t(~UniSpecial);
     andDirPermissions = mode_t(~(S_ISUID | S_ISGID));
     orFilePermissions = 0;
     orDirPermissions = 0;
     if (d->isIrregular) {
         return;
     }
 
     mode_t m = standardPermissions[d->ownerPermCombo->currentIndex()];
     if (m != s_invalid_mode_t) {
         orFilePermissions |= m & UniOwner;
         if ((m & UniOwner)
             && ((d->pmode == PermissionsMixed) || ((d->pmode == PermissionsOnlyFiles) && (d->extraCheckbox->checkState() == Qt::PartiallyChecked)))) {
             andFilePermissions &= ~(S_IRUSR | S_IWUSR);
         } else {
             andFilePermissions &= ~(S_IRUSR | S_IWUSR | S_IXUSR);
             if ((m & S_IRUSR) && (d->extraCheckbox->checkState() == Qt::Checked)) {
                 orFilePermissions |= S_IXUSR;
             }
         }
 
         orDirPermissions |= m & UniOwner;
         if (m & S_IRUSR) {
             orDirPermissions |= S_IXUSR;
         }
         andDirPermissions &= ~(S_IRUSR | S_IWUSR | S_IXUSR);
     }
 
     m = standardPermissions[d->groupPermCombo->currentIndex()];
     if (m != s_invalid_mode_t) {
         orFilePermissions |= m & UniGroup;
         if ((m & UniGroup)
             && ((d->pmode == PermissionsMixed) || ((d->pmode == PermissionsOnlyFiles) && (d->extraCheckbox->checkState() == Qt::PartiallyChecked)))) {
             andFilePermissions &= ~(S_IRGRP | S_IWGRP);
         } else {
             andFilePermissions &= ~(S_IRGRP | S_IWGRP | S_IXGRP);
             if ((m & S_IRGRP) && (d->extraCheckbox->checkState() == Qt::Checked)) {
                 orFilePermissions |= S_IXGRP;
             }
         }
 
         orDirPermissions |= m & UniGroup;
         if (m & S_IRGRP) {
             orDirPermissions |= S_IXGRP;
         }
         andDirPermissions &= ~(S_IRGRP | S_IWGRP | S_IXGRP);
     }
 
     m = d->othersPermCombo->currentIndex() >= 0 ? standardPermissions[d->othersPermCombo->currentIndex()] : s_invalid_mode_t;
     if (m != s_invalid_mode_t) {
         orFilePermissions |= m & UniOthers;
         if ((m & UniOthers)
             && ((d->pmode == PermissionsMixed) || ((d->pmode == PermissionsOnlyFiles) && (d->extraCheckbox->checkState() == Qt::PartiallyChecked)))) {
             andFilePermissions &= ~(S_IROTH | S_IWOTH);
         } else {
             andFilePermissions &= ~(S_IROTH | S_IWOTH | S_IXOTH);
             if ((m & S_IROTH) && (d->extraCheckbox->checkState() == Qt::Checked)) {
                 orFilePermissions |= S_IXOTH;
             }
         }
 
         orDirPermissions |= m & UniOthers;
         if (m & S_IROTH) {
             orDirPermissions |= S_IXOTH;
         }
         andDirPermissions &= ~(S_IROTH | S_IWOTH | S_IXOTH);
     }
 
     if (((d->pmode == PermissionsMixed) || (d->pmode == PermissionsOnlyDirs)) && (d->extraCheckbox->checkState() != Qt::PartiallyChecked)) {
         andDirPermissions &= ~S_ISVTX;
         if (d->extraCheckbox->checkState() == Qt::Checked) {
             orDirPermissions |= S_ISVTX;
         }
     }
 }
 
 void KFilePermissionsPropsPlugin::applyChanges()
 {
     mode_t orFilePermissions;
     mode_t orDirPermissions;
     mode_t andFilePermissions;
     mode_t andDirPermissions;
 
     if (!d->canChangePermissions) {
         properties->abortApplying();
         return;
     }
 
     if (!d->isIrregular) {
         getPermissionMasks(andFilePermissions, andDirPermissions, orFilePermissions, orDirPermissions);
     } else {
         orFilePermissions = d->permissions;
         andFilePermissions = d->partialPermissions;
         orDirPermissions = d->permissions;
         andDirPermissions = d->partialPermissions;
     }
 
     QString owner;
     QString group;
     if (d->usrEdit) {
         owner = d->usrEdit->text();
     }
     if (d->grpEdit) {
         group = d->grpEdit->text();
     } else if (d->grpCombo) {
         group = d->grpCombo->currentText();
     }
 
     const bool recursive = d->cbRecursive && d->cbRecursive->isChecked();
 
     if (!recursive) {
         if (owner == d->strOwner) {
             owner.clear();
         }
 
         if (group == d->strGroup) {
             group.clear();
         }
     }
 
     bool permissionChange = false;
 
     const KFileItemList items = properties->items();
     KFileItemList files;
     KFileItemList dirs;
     for (const auto &item : items) {
         const auto perms = item.permissions();
         if (item.isDir()) {
             dirs.append(item);
             if (!permissionChange && (recursive || perms != ((perms & andDirPermissions) | orDirPermissions))) {
                 permissionChange = true;
             }
             continue;
         }
 
         if (item.isFile()) {
             files.append(item);
             if (!permissionChange && perms != ((perms & andFilePermissions) | orFilePermissions)) {
                 permissionChange = true;
             }
         }
     }
 
     const bool ACLChange = (d->extendedACL != properties->item().ACL());
     const bool defaultACLChange = (d->defaultACL != properties->item().defaultACL());
 
     if (owner.isEmpty() && group.isEmpty() && !recursive && !permissionChange && !ACLChange && !defaultACLChange) {
         return;
     }
 
     auto processACLChanges = [this, ACLChange, defaultACLChange](KIO::ChmodJob *chmodJob) {
         if (!d->fileSystemSupportsACLs) {
             return;
         }
 
         if (ACLChange) {
             chmodJob->addMetaData(QStringLiteral("ACL_STRING"), d->extendedACL.isValid() ? d->extendedACL.asString() : QStringLiteral("ACL_DELETE"));
         }
 
         if (defaultACLChange) {
             chmodJob->addMetaData(QStringLiteral("DEFAULT_ACL_STRING"), d->defaultACL.isValid() ? d->defaultACL.asString() : QStringLiteral("ACL_DELETE"));
         }
     };
 
     auto chmodDirs = [=]() {
         if (dirs.isEmpty()) {
             setDirty(false);
             Q_EMIT changesApplied();
             return;
         }
 
         auto *dirsJob = KIO::chmod(dirs, orDirPermissions, ~andDirPermissions, owner, group, recursive);
         processACLChanges(dirsJob);
 
         connect(dirsJob, &KJob::result, this, [this, dirsJob]() {
             if (dirsJob->error()) {
                 dirsJob->uiDelegate()->showErrorMessage();
             }
 
             setDirty(false);
             Q_EMIT changesApplied();
         });
     };
 
     // Change permissions in two steps, first files, then dirs
 
     if (!files.isEmpty()) {
         auto *filesJob = KIO::chmod(files, orFilePermissions, ~andFilePermissions, owner, group, false);
         processACLChanges(filesJob);
 
         connect(filesJob, &KJob::result, this, [=]() {
             if (filesJob->error()) {
                 filesJob->uiDelegate()->showErrorMessage();
             }
 
             chmodDirs();
         });
         return;
     }
 
     // No files to change? OK, now process dirs (if any)
     chmodDirs();
 }
 
 class KChecksumsPlugin::KChecksumsPluginPrivate
 {
 public:
     QWidget m_widget;
     Ui::ChecksumsWidget m_ui;
 
     QFileSystemWatcher fileWatcher;
     QString m_md5;
     QString m_sha1;
     QString m_sha256;
     QString m_sha512;
 };
 
 KChecksumsPlugin::KChecksumsPlugin(KPropertiesDialog *dialog)
     : KPropertiesDialogPlugin(dialog)
     , d(new KChecksumsPluginPrivate)
 {
     d->m_ui.setupUi(&d->m_widget);
     properties->addPage(&d->m_widget, i18nc("@title:tab", "C&hecksums"));
 
     d->m_ui.md5CopyButton->hide();
     d->m_ui.sha1CopyButton->hide();
     d->m_ui.sha256CopyButton->hide();
     d->m_ui.sha512CopyButton->hide();
 
     connect(d->m_ui.lineEdit, &QLineEdit::textChanged, this, [=](const QString &text) {
         slotVerifyChecksum(text.toLower());
     });
 
     connect(d->m_ui.md5Button, &QPushButton::clicked, this, &KChecksumsPlugin::slotShowMd5);
     connect(d->m_ui.sha1Button, &QPushButton::clicked, this, &KChecksumsPlugin::slotShowSha1);
     connect(d->m_ui.sha256Button, &QPushButton::clicked, this, &KChecksumsPlugin::slotShowSha256);
     connect(d->m_ui.sha512Button, &QPushButton::clicked, this, &KChecksumsPlugin::slotShowSha512);
 
     d->fileWatcher.addPath(properties->item().localPath());
     connect(&d->fileWatcher, &QFileSystemWatcher::fileChanged, this, &KChecksumsPlugin::slotInvalidateCache);
 
     auto clipboard = QApplication::clipboard();
     connect(d->m_ui.md5CopyButton, &QPushButton::clicked, this, [=]() {
         clipboard->setText(d->m_md5);
     });
 
     connect(d->m_ui.sha1CopyButton, &QPushButton::clicked, this, [=]() {
         clipboard->setText(d->m_sha1);
     });
 
     connect(d->m_ui.sha256CopyButton, &QPushButton::clicked, this, [=]() {
         clipboard->setText(d->m_sha256);
     });
 
     connect(d->m_ui.sha512CopyButton, &QPushButton::clicked, this, [=]() {
         clipboard->setText(d->m_sha512);
     });
 
     connect(d->m_ui.pasteButton, &QPushButton::clicked, this, [=]() {
         d->m_ui.lineEdit->setText(clipboard->text());
     });
 
     setDefaultState();
 }
 
 KChecksumsPlugin::~KChecksumsPlugin() = default;
 
 bool KChecksumsPlugin::supports(const KFileItemList &items)
 {
     if (items.count() != 1) {
         return false;
     }
 
     const KFileItem &item = items.first();
     return item.isFile() && !item.localPath().isEmpty() && item.isReadable() && !item.isDesktopFile() && !item.isLink();
 }
 
 void KChecksumsPlugin::slotInvalidateCache()
 {
     d->m_md5 = QString();
     d->m_sha1 = QString();
     d->m_sha256 = QString();
     d->m_sha512 = QString();
 }
 
 void KChecksumsPlugin::slotShowMd5()
 {
     auto label = new QLabel(i18nc("@action:button", "Calculating..."), &d->m_widget);
     label->setTextInteractionFlags(Qt::TextSelectableByMouse | Qt::TextSelectableByKeyboard);
 
     d->m_ui.calculateWidget->layout()->replaceWidget(d->m_ui.md5Button, label);
     d->m_ui.md5Button->hide();
 
     showChecksum(QCryptographicHash::Md5, label, d->m_ui.md5CopyButton);
 }
 
 void KChecksumsPlugin::slotShowSha1()
 {
     auto label = new QLabel(i18nc("@action:button", "Calculating..."), &d->m_widget);
     label->setTextInteractionFlags(Qt::TextSelectableByMouse | Qt::TextSelectableByKeyboard);
 
     d->m_ui.calculateWidget->layout()->replaceWidget(d->m_ui.sha1Button, label);
     d->m_ui.sha1Button->hide();
 
     showChecksum(QCryptographicHash::Sha1, label, d->m_ui.sha1CopyButton);
 }
 
 void KChecksumsPlugin::slotShowSha256()
 {
     auto label = new QLabel(i18nc("@action:button", "Calculating..."), &d->m_widget);
     label->setTextInteractionFlags(Qt::TextSelectableByMouse | Qt::TextSelectableByKeyboard);
 
     d->m_ui.calculateWidget->layout()->replaceWidget(d->m_ui.sha256Button, label);
     d->m_ui.sha256Button->hide();
 
     showChecksum(QCryptographicHash::Sha256, label, d->m_ui.sha256CopyButton);
 }
 
 void KChecksumsPlugin::slotShowSha512()
 {
     auto label = new QLabel(i18nc("@action:button", "Calculating..."), &d->m_widget);
     label->setTextInteractionFlags(Qt::TextSelectableByMouse | Qt::TextSelectableByKeyboard);
 
     d->m_ui.calculateWidget->layout()->replaceWidget(d->m_ui.sha512Button, label);
     d->m_ui.sha512Button->hide();
 
     showChecksum(QCryptographicHash::Sha512, label, d->m_ui.sha512CopyButton);
 }
 
 void KChecksumsPlugin::slotVerifyChecksum(const QString &input)
 {
     auto algorithm = detectAlgorithm(input);
 
     // Input is not a supported hash algorithm.
     if (algorithm == QCryptographicHash::Md4) {
         if (input.isEmpty()) {
             setDefaultState();
         } else {
             setInvalidChecksumState();
         }
         return;
     }
 
     const QString checksum = cachedChecksum(algorithm);
 
     // Checksum already in cache.
     if (!checksum.isEmpty()) {
         const bool isMatch = (checksum == input);
         if (isMatch) {
             setMatchState();
         } else {
             setMismatchState();
         }
 
         return;
     }
 
     // Calculate checksum in another thread.
     auto futureWatcher = new QFutureWatcher<QString>(this);
     connect(futureWatcher, &QFutureWatcher<QString>::finished, this, [=]() {
         const QString checksum = futureWatcher->result();
         futureWatcher->deleteLater();
 
         cacheChecksum(checksum, algorithm);
 
         switch (algorithm) {
         case QCryptographicHash::Md5:
             slotShowMd5();
             break;
         case QCryptographicHash::Sha1:
             slotShowSha1();
             break;
         case QCryptographicHash::Sha256:
             slotShowSha256();
             break;
         case QCryptographicHash::Sha512:
             slotShowSha512();
             break;
         default:
             break;
         }
 
         const bool isMatch = (checksum == input);
         if (isMatch) {
             setMatchState();
         } else {
             setMismatchState();
         }
     });
 
     // Notify the user about the background computation.
     setVerifyState();
 
     auto future = QtConcurrent::run(&KChecksumsPlugin::computeChecksum, algorithm, properties->item().localPath());
     futureWatcher->setFuture(future);
 }
 
 bool KChecksumsPlugin::isMd5(const QString &input)
 {
     QRegularExpression regex(QStringLiteral("^[a-f0-9]{32}$"));
     return regex.match(input).hasMatch();
 }
 
 bool KChecksumsPlugin::isSha1(const QString &input)
 {
     QRegularExpression regex(QStringLiteral("^[a-f0-9]{40}$"));
     return regex.match(input).hasMatch();
 }
 
 bool KChecksumsPlugin::isSha256(const QString &input)
 {
     QRegularExpression regex(QStringLiteral("^[a-f0-9]{64}$"));
     return regex.match(input).hasMatch();
 }
 
 bool KChecksumsPlugin::isSha512(const QString &input)
 {
     QRegularExpression regex(QStringLiteral("^[a-f0-9]{128}$"));
     return regex.match(input).hasMatch();
 }
 
 QString KChecksumsPlugin::computeChecksum(QCryptographicHash::Algorithm algorithm, const QString &path)
 {
     QFile file(path);
     if (!file.open(QIODevice::ReadOnly)) {
         return QString();
     }
 
     QCryptographicHash hash(algorithm);
     hash.addData(&file);
 
     return QString::fromLatin1(hash.result().toHex());
 }
 
 QCryptographicHash::Algorithm KChecksumsPlugin::detectAlgorithm(const QString &input)
 {
     if (isMd5(input)) {
         return QCryptographicHash::Md5;
     }
 
     if (isSha1(input)) {
         return QCryptographicHash::Sha1;
     }
 
     if (isSha256(input)) {
         return QCryptographicHash::Sha256;
     }
 
     if (isSha512(input)) {
         return QCryptographicHash::Sha512;
     }
 
     // Md4 used as negative error code.
     return QCryptographicHash::Md4;
 }
 
 void KChecksumsPlugin::setDefaultState()
 {
     QColor defaultColor = d->m_widget.palette().color(QPalette::Base);
 
     QPalette palette = d->m_widget.palette();
     palette.setColor(QPalette::Base, defaultColor);
 
     d->m_ui.feedbackLabel->hide();
     d->m_ui.lineEdit->setPalette(palette);
     d->m_ui.lineEdit->setToolTip(QString());
 }
 
 void KChecksumsPlugin::setInvalidChecksumState()
 {
     KColorScheme colorScheme(QPalette::Active, KColorScheme::View);
     QColor warningColor = colorScheme.background(KColorScheme::NegativeBackground).color();
 
     QPalette palette = d->m_widget.palette();
     palette.setColor(QPalette::Base, warningColor);
 
     d->m_ui.feedbackLabel->setText(i18n("Invalid checksum."));
     d->m_ui.feedbackLabel->show();
     d->m_ui.lineEdit->setPalette(palette);
     d->m_ui.lineEdit->setToolTip(i18nc("@info:tooltip", "The given input is not a valid MD5, SHA1 or SHA256 checksum."));
 }
 
 void KChecksumsPlugin::setMatchState()
 {
     KColorScheme colorScheme(QPalette::Active, KColorScheme::View);
     QColor positiveColor = colorScheme.background(KColorScheme::PositiveBackground).color();
 
     QPalette palette = d->m_widget.palette();
     palette.setColor(QPalette::Base, positiveColor);
 
     d->m_ui.feedbackLabel->setText(i18n("Checksums match."));
     d->m_ui.feedbackLabel->show();
     d->m_ui.lineEdit->setPalette(palette);
     d->m_ui.lineEdit->setToolTip(i18nc("@info:tooltip", "The computed checksum and the expected checksum match."));
 }
 
 void KChecksumsPlugin::setMismatchState()
 {
     KColorScheme colorScheme(QPalette::Active, KColorScheme::View);
     QColor warningColor = colorScheme.background(KColorScheme::NegativeBackground).color();
 
     QPalette palette = d->m_widget.palette();
     palette.setColor(QPalette::Base, warningColor);
 
     d->m_ui.feedbackLabel->setText(
         i18n("<p>Checksums do not match.</p>"
              "This may be due to a faulty download. Try re-downloading the file.<br/>"
              "If the verification still fails, contact the source of the file."));
     d->m_ui.feedbackLabel->show();
     d->m_ui.lineEdit->setPalette(palette);
     d->m_ui.lineEdit->setToolTip(i18nc("@info:tooltip", "The computed checksum and the expected checksum differ."));
 }
 
 void KChecksumsPlugin::setVerifyState()
 {
     // Users can paste a checksum at any time, so reset to default.
     setDefaultState();
 
     d->m_ui.feedbackLabel->setText(i18nc("notify the user about a computation in the background", "Verifying checksum..."));
     d->m_ui.feedbackLabel->show();
 }
 
 void KChecksumsPlugin::showChecksum(QCryptographicHash::Algorithm algorithm, QLabel *label, QPushButton *copyButton)
 {
     const QString checksum = cachedChecksum(algorithm);
 
     // Checksum in cache, nothing else to do.
     if (!checksum.isEmpty()) {
         label->setText(checksum);
         return;
     }
 
     // Calculate checksum in another thread.
     auto futureWatcher = new QFutureWatcher<QString>(this);
     connect(futureWatcher, &QFutureWatcher<QString>::finished, this, [=]() {
         const QString checksum = futureWatcher->result();
         futureWatcher->deleteLater();
 
         label->setText(checksum);
         cacheChecksum(checksum, algorithm);
 
         copyButton->show();
     });
 
     auto future = QtConcurrent::run(&KChecksumsPlugin::computeChecksum, algorithm, properties->item().localPath());
     futureWatcher->setFuture(future);
 }
 
 QString KChecksumsPlugin::cachedChecksum(QCryptographicHash::Algorithm algorithm) const
 {
     switch (algorithm) {
     case QCryptographicHash::Md5:
         return d->m_md5;
     case QCryptographicHash::Sha1:
         return d->m_sha1;
     case QCryptographicHash::Sha256:
         return d->m_sha256;
     case QCryptographicHash::Sha512:
         return d->m_sha512;
     default:
         break;
     }
 
     return QString();
 }
 
 void KChecksumsPlugin::cacheChecksum(const QString &checksum, QCryptographicHash::Algorithm algorithm)
 {
     switch (algorithm) {
     case QCryptographicHash::Md5:
         d->m_md5 = checksum;
         break;
     case QCryptographicHash::Sha1:
         d->m_sha1 = checksum;
         break;
     case QCryptographicHash::Sha256:
         d->m_sha256 = checksum;
         break;
     case QCryptographicHash::Sha512:
         d->m_sha512 = checksum;
         break;
     default:
         return;
     }
 }
 
 class KUrlPropsPlugin::KUrlPropsPluginPrivate
 {
 public:
     QFrame *m_frame;
     KUrlRequester *URLEdit;
     QString URLStr;
     bool fileNameReadOnly = false;
 };
 
 KUrlPropsPlugin::KUrlPropsPlugin(KPropertiesDialog *_props)
     : KPropertiesDialogPlugin(_props)
     , d(new KUrlPropsPluginPrivate)
 {
     d->m_frame = new QFrame();
     properties->addPage(d->m_frame, i18n("U&RL"));
     QVBoxLayout *layout = new QVBoxLayout(d->m_frame);
     layout->setContentsMargins(0, 0, 0, 0);
 
     QLabel *l;
     l = new QLabel(d->m_frame);
     l->setObjectName(QStringLiteral("Label_1"));
     l->setText(i18n("URL:"));
     layout->addWidget(l, Qt::AlignRight);
 
     d->URLEdit = new KUrlRequester(d->m_frame);
     layout->addWidget(d->URLEdit);
 
     KIO::StatJob *job = KIO::mostLocalUrl(properties->url());
     KJobWidgets::setWindow(job, properties);
     job->exec();
     QUrl url = job->mostLocalUrl();
 
     if (url.isLocalFile()) {
         QString path = url.toLocalFile();
 
         QFile f(path);
         if (!f.open(QIODevice::ReadOnly)) {
             return;
         }
 
         KDesktopFile config(path);
         const KConfigGroup dg = config.desktopGroup();
         d->URLStr = dg.readPathEntry("URL", QString());
 
         if (!d->URLStr.isEmpty()) {
             d->URLEdit->setUrl(QUrl(d->URLStr));
         }
     }
 
     connect(d->URLEdit, &KUrlRequester::textChanged, this, &KPropertiesDialogPlugin::changed);
 
     layout->addStretch(1);
 }
 
 KUrlPropsPlugin::~KUrlPropsPlugin() = default;
 
 void KUrlPropsPlugin::setFileNameReadOnly(bool ro)
 {
     d->fileNameReadOnly = ro;
 }
 
 bool KUrlPropsPlugin::supports(const KFileItemList &_items)
 {
     if (_items.count() != 1) {
         return false;
     }
     const KFileItem &item = _items.first();
     // check if desktop file
     if (!item.isDesktopFile()) {
         return false;
     }
 
     // open file and check type
     const auto [url, isLocal] = item.isMostLocalUrl();
     if (!isLocal) {
         return false;
     }
 
     KDesktopFile config(url.toLocalFile());
     return config.hasLinkType();
 }
 
 void KUrlPropsPlugin::applyChanges()
 {
     KIO::StatJob *job = KIO::mostLocalUrl(properties->url());
     KJobWidgets::setWindow(job, properties);
     job->exec();
     const QUrl url = job->mostLocalUrl();
 
     if (!url.isLocalFile()) {
         KMessageBox::error(nullptr, i18n("Could not save properties. Only entries on local file systems are supported."));
         properties->abortApplying();
         return;
     }
 
     QString path = url.toLocalFile();
     QFile f(path);
     if (!f.open(QIODevice::ReadWrite)) {
         KMessageBox::error(nullptr, couldNotSaveMsg(path));
         properties->abortApplying();
         return;
     }
 
     KDesktopFile config(path);
     KConfigGroup dg = config.desktopGroup();
     dg.writeEntry("Type", QStringLiteral("Link"));
     dg.writePathEntry("URL", d->URLEdit->url().toString());
     // Users can't create a Link .desktop file with a Name field,
     // but distributions can. Update the Name field in that case,
     // if the file name could have been changed.
     if (!d->fileNameReadOnly && dg.hasKey("Name")) {
         const QString nameStr = nameFromFileName(properties->url().fileName());
         dg.writeEntry("Name", nameStr);
         dg.writeEntry("Name", nameStr, KConfigBase::Persistent | KConfigBase::Localized);
     }
 
     setDirty(false);
 }
 
 /* ----------------------------------------------------
  *
  * KDesktopPropsPlugin
  *
  * -------------------------------------------------- */
 
 class KDesktopPropsPlugin::KDesktopPropsPluginPrivate
 {
 public:
     KDesktopPropsPluginPrivate()
         : w(new Ui_KPropertiesDesktopBase)
         , m_frame(new QFrame())
     {
     }
     ~KDesktopPropsPluginPrivate()
     {
         delete w;
     }
     QString command() const;
     Ui_KPropertiesDesktopBase *w;
     QWidget *m_frame = nullptr;
     std::unique_ptr<Ui_KPropertiesDesktopAdvBase> m_uiAdvanced;
 
     QString m_origCommandStr;
     QString m_terminalOptionStr;
     QString m_suidUserStr;
     QString m_origDesktopFile;
     bool m_terminalBool;
     bool m_suidBool;
     // Corresponds to "PrefersNonDefaultGPU=" (added in destop-entry-spec 1.4)
     // or to "X-KDE-RunOnDiscreteGpu=" for backwards compatibility
     bool m_runOnDiscreteGpuBool;
     bool m_startupBool;
 };
 
 KDesktopPropsPlugin::KDesktopPropsPlugin(KPropertiesDialog *_props)
     : KPropertiesDialogPlugin(_props)
     , d(new KDesktopPropsPluginPrivate)
 {
     QMimeDatabase db;
 
     d->w->setupUi(d->m_frame);
 
     properties->addPage(d->m_frame, i18n("&Application"));
 
     bool bKDesktopMode = properties->url().scheme() == QLatin1String("desktop") || properties->currentDir().scheme() == QLatin1String("desktop");
 
     d->w->pathEdit->setMode(KFile::Directory | KFile::LocalOnly);
     d->w->pathEdit->lineEdit()->setAcceptDrops(false);
 
     connect(d->w->nameEdit, &QLineEdit::textChanged, this, &KPropertiesDialogPlugin::changed);
     connect(d->w->genNameEdit, &QLineEdit::textChanged, this, &KPropertiesDialogPlugin::changed);
     connect(d->w->commentEdit, &QLineEdit::textChanged, this, &KPropertiesDialogPlugin::changed);
     connect(d->w->envarsEdit, &QLineEdit::textChanged, this, &KPropertiesDialogPlugin::changed);
     connect(d->w->programEdit, &QLineEdit::textChanged, this, &KPropertiesDialogPlugin::changed);
     connect(d->w->argumentsEdit, &QLineEdit::textChanged, this, &KPropertiesDialogPlugin::changed);
     connect(d->w->pathEdit, &KUrlRequester::textChanged, this, &KPropertiesDialogPlugin::changed);
 
     connect(d->w->browseButton, &QAbstractButton::clicked, this, &KDesktopPropsPlugin::slotBrowseExec);
     connect(d->w->addFiletypeButton, &QAbstractButton::clicked, this, &KDesktopPropsPlugin::slotAddFiletype);
     connect(d->w->delFiletypeButton, &QAbstractButton::clicked, this, &KDesktopPropsPlugin::slotDelFiletype);
     connect(d->w->advancedButton, &QAbstractButton::clicked, this, &KDesktopPropsPlugin::slotAdvanced);
 
     // now populate the page
 
     KIO::StatJob *job = KIO::mostLocalUrl(_props->url());
     KJobWidgets::setWindow(job, _props);
     job->exec();
     QUrl url = job->mostLocalUrl();
 
     if (!url.isLocalFile()) {
         return;
     }
 
     d->m_origDesktopFile = url.toLocalFile();
 
     QFile f(d->m_origDesktopFile);
     if (!f.open(QIODevice::ReadOnly)) {
         return;
     }
 
     KDesktopFile _config(d->m_origDesktopFile);
     KConfigGroup config = _config.desktopGroup();
     QString nameStr = _config.readName();
     QString genNameStr = _config.readGenericName();
     QString commentStr = _config.readComment();
     QString commandStr = config.readEntry("Exec", QString());
 
     d->m_origCommandStr = commandStr;
     QString pathStr = config.readEntry("Path", QString()); // not readPathEntry, see kservice.cpp
     d->m_terminalBool = config.readEntry("Terminal", false);
     d->m_terminalOptionStr = config.readEntry("TerminalOptions");
     d->m_suidBool = config.readEntry("X-KDE-SubstituteUID", false);
     d->m_suidUserStr = config.readEntry("X-KDE-Username");
     if (KIO::hasDiscreteGpu()) {
         if (config.hasKey("PrefersNonDefaultGPU")) {
             d->m_runOnDiscreteGpuBool = config.readEntry("PrefersNonDefaultGPU", false);
         } else {
             d->m_runOnDiscreteGpuBool = config.readEntry("X-KDE-RunOnDiscreteGpu", false);
         }
     }
     if (config.hasKey("StartupNotify")) {
         d->m_startupBool = config.readEntry("StartupNotify", true);
     } else {
         d->m_startupBool = config.readEntry("X-KDE-StartupNotify", true);
     }
 
     const QStringList mimeTypes = config.readXdgListEntry("MimeType");
 
     if (nameStr.isEmpty() || bKDesktopMode) {
         // We'll use the file name if no name is specified
         // because we _need_ a Name for a valid file.
         // But let's do it in apply, not here, so that we pick up the right name.
         setDirty();
     }
     d->w->nameEdit->setText(nameStr);
     d->w->genNameEdit->setText(genNameStr);
     d->w->commentEdit->setText(commentStr);
 
     QStringList execLine = KShell::splitArgs(commandStr);
     QStringList enVars = {};
 
     if (!execLine.isEmpty()) {
         // check for apps that use the env executable
         // to set the environment
         if (execLine[0] == QLatin1String("env")) {
             execLine.pop_front();
         }
         for (const auto &env : execLine) {
             if (execLine.length() <= 1) {
                 // Don't empty out the list. If the last element contains an equal sign we have to treat it as part of the
                 // program name lest we have no program
                 // https://bugs.kde.org/show_bug.cgi?id=465290
                 break;
             }
             if (!env.contains(QLatin1String("="))) {
                 break;
             }
             enVars += env;
             execLine.pop_front();
         }
 
         Q_ASSERT(!execLine.isEmpty());
         d->w->programEdit->setText(execLine.takeFirst());
     } else {
         d->w->programEdit->clear();
     }
     d->w->argumentsEdit->setText(KShell::joinArgs(execLine));
     d->w->envarsEdit->setText(KShell::joinArgs(enVars));
 
     d->w->pathEdit->lineEdit()->setText(pathStr);
 
     // was: d->w->filetypeList->setFullWidth(true);
     //  d->w->filetypeList->header()->setStretchEnabled(true, d->w->filetypeList->columns()-1);
 
     for (QStringList::ConstIterator it = mimeTypes.begin(); it != mimeTypes.end();) {
         QMimeType p = db.mimeTypeForName(*it);
         ++it;
         QString preference;
         if (it != mimeTypes.end()) {
             bool numeric;
             (*it).toInt(&numeric);
             if (numeric) {
                 preference = *it;
                 ++it;
             }
         }
         if (p.isValid()) {
             QTreeWidgetItem *item = new QTreeWidgetItem();
             item->setText(0, p.name());
             item->setText(1, p.comment());
             item->setText(2, preference);
             d->w->filetypeList->addTopLevelItem(item);
         }
     }
     d->w->filetypeList->resizeColumnToContents(0);
 }
 
 KDesktopPropsPlugin::~KDesktopPropsPlugin() = default;
 
 void KDesktopPropsPlugin::slotAddFiletype()
 {
     QMimeDatabase db;
     KMimeTypeChooserDialog dlg(i18n("Add File Type for %1", properties->url().fileName()),
                                i18n("Select one or more file types to add:"),
                                QStringList(), // no preselected mimetypes
                                QString(),
                                QStringList(),
                                KMimeTypeChooser::Comments | KMimeTypeChooser::Patterns,
                                d->m_frame);
 
     if (dlg.exec() == QDialog::Accepted) {
         const QStringList list = dlg.chooser()->mimeTypes();
         for (const QString &mimetype : list) {
             QMimeType p = db.mimeTypeForName(mimetype);
             if (!p.isValid()) {
                 continue;
             }
 
             bool found = false;
             int count = d->w->filetypeList->topLevelItemCount();
             for (int i = 0; !found && i < count; ++i) {
                 if (d->w->filetypeList->topLevelItem(i)->text(0) == mimetype) {
                     found = true;
                 }
             }
             if (!found) {
                 QTreeWidgetItem *item = new QTreeWidgetItem();
                 item->setText(0, p.name());
                 item->setText(1, p.comment());
                 d->w->filetypeList->addTopLevelItem(item);
             }
             d->w->filetypeList->resizeColumnToContents(0);
         }
     }
     Q_EMIT changed();
 }
 
 void KDesktopPropsPlugin::slotDelFiletype()
 {
     QTreeWidgetItem *cur = d->w->filetypeList->currentItem();
     if (cur) {
         delete cur;
         Q_EMIT changed();
     }
 }
 
 void KDesktopPropsPlugin::checkCommandChanged()
 {
     if (KIO::DesktopExecParser::executableName(d->command()) != KIO::DesktopExecParser::executableName(d->m_origCommandStr)) {
         d->m_origCommandStr = d->command();
     }
 }
 
 void KDesktopPropsPlugin::applyChanges()
 {
     // qDebug();
     KIO::StatJob *job = KIO::mostLocalUrl(properties->url());
     KJobWidgets::setWindow(job, properties);
     job->exec();
     const QUrl url = job->mostLocalUrl();
 
     if (!url.isLocalFile()) {
         KMessageBox::error(nullptr, i18n("Could not save properties. Only entries on local file systems are supported."));
         properties->abortApplying();
         return;
     }
 
     const QString path(url.toLocalFile());
 
     // make sure the directory exists
     QDir().mkpath(QFileInfo(path).absolutePath());
     QFile f(path);
     if (!f.open(QIODevice::ReadWrite)) {
         KMessageBox::error(nullptr, couldNotSaveMsg(path));
         properties->abortApplying();
         return;
     }
 
     // If the command is changed we reset certain settings that are strongly
     // coupled to the command.
     checkCommandChanged();
 
     KDesktopFile origConfig(d->m_origDesktopFile);
     std::unique_ptr<KDesktopFile> _config(origConfig.copyTo(path));
     KConfigGroup config = _config->desktopGroup();
     config.writeEntry("Type", QStringLiteral("Application"));
     config.writeEntry("Comment", d->w->commentEdit->text());
     config.writeEntry("Comment", d->w->commentEdit->text(), KConfigGroup::Persistent | KConfigGroup::Localized); // for compat
     config.writeEntry("GenericName", d->w->genNameEdit->text());
     config.writeEntry("GenericName", d->w->genNameEdit->text(), KConfigGroup::Persistent | KConfigGroup::Localized); // for compat
     config.writeEntry("Exec", d->command());
     config.writeEntry("Path", d->w->pathEdit->lineEdit()->text()); // not writePathEntry, see kservice.cpp
 
     // Write mimeTypes
     QStringList mimeTypes;
     int count = d->w->filetypeList->topLevelItemCount();
     for (int i = 0; i < count; ++i) {
         QTreeWidgetItem *item = d->w->filetypeList->topLevelItem(i);
         QString preference = item->text(2);
         mimeTypes.append(item->text(0));
         if (!preference.isEmpty()) {
             mimeTypes.append(preference);
         }
     }
 
     // qDebug() << mimeTypes;
     config.writeXdgListEntry("MimeType", mimeTypes);
 
     if (!d->w->nameEdit->isHidden()) {
         QString nameStr = d->w->nameEdit->text();
         config.writeEntry("Name", nameStr);
         config.writeEntry("Name", nameStr, KConfigGroup::Persistent | KConfigGroup::Localized);
     }
 
     config.writeEntry("Terminal", d->m_terminalBool);
     config.writeEntry("TerminalOptions", d->m_terminalOptionStr);
     config.writeEntry("X-KDE-SubstituteUID", d->m_suidBool);
     config.writeEntry("X-KDE-Username", d->m_suidUserStr);
     if (KIO::hasDiscreteGpu()) {
         if (config.hasKey("PrefersNonDefaultGPU")) {
             config.writeEntry("PrefersNonDefaultGPU", d->m_runOnDiscreteGpuBool);
         } else {
             config.writeEntry("X-KDE-RunOnDiscreteGpu", d->m_runOnDiscreteGpuBool);
         }
     }
     config.writeEntry("StartupNotify", d->m_startupBool);
     config.sync();
 
     // KSycoca update needed?
     bool updateNeeded = !relativeAppsLocation(path).isEmpty();
     if (updateNeeded) {
         KBuildSycocaProgressDialog::rebuildKSycoca(d->m_frame);
     }
 
     setDirty(false);
 }
 
 void KDesktopPropsPlugin::slotBrowseExec()
 {
     QUrl f = QFileDialog::getOpenFileUrl(d->m_frame);
     if (f.isEmpty()) {
         return;
     }
 
     if (!f.isLocalFile()) {
         KMessageBox::information(d->m_frame, i18n("Only executables on local file systems are supported."));
         return;
     }
 
     const QString path = f.toLocalFile();
     d->w->programEdit->setText(path);
 }
 
 void KDesktopPropsPlugin::slotAdvanced()
 {
     auto *dlg = new QDialog(d->m_frame);
     dlg->setObjectName(QStringLiteral("KPropertiesDesktopAdv"));
     dlg->setModal(true);
     dlg->setAttribute(Qt::WA_DeleteOnClose);
     dlg->setWindowTitle(i18n("Advanced Options for %1", properties->url().fileName()));
 
     d->m_uiAdvanced.reset(new Ui_KPropertiesDesktopAdvBase);
     QWidget *mainWidget = new QWidget(dlg);
     d->m_uiAdvanced->setupUi(mainWidget);
 
     QDialogButtonBox *buttonBox = new QDialogButtonBox(dlg);
     buttonBox->setStandardButtons(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
     connect(buttonBox, &QDialogButtonBox::accepted, dlg, &QDialog::accept);
     connect(buttonBox, &QDialogButtonBox::rejected, dlg, &QDialog::reject);
 
     QVBoxLayout *layout = new QVBoxLayout(dlg);
     layout->addWidget(mainWidget);
     layout->addWidget(buttonBox);
 
     // If the command is changed we reset certain settings that are strongly
     // coupled to the command.
     checkCommandChanged();
 
     // check to see if we use konsole if not do not add the nocloseonexit
     // because we don't know how to do this on other terminal applications
     KConfigGroup confGroup(KSharedConfig::openConfig(), QStringLiteral("General"));
     QString preferredTerminal = confGroup.readPathEntry("TerminalApplication", QStringLiteral("konsole"));
 
     bool terminalCloseBool = false;
 
     if (preferredTerminal == QLatin1String("konsole")) {
         terminalCloseBool = d->m_terminalOptionStr.contains(QLatin1String("--noclose"));
         d->m_uiAdvanced->terminalCloseCheck->setChecked(terminalCloseBool);
         d->m_terminalOptionStr.remove(QStringLiteral("--noclose"));
     } else {
         d->m_uiAdvanced->terminalCloseCheck->hide();
     }
 
     d->m_uiAdvanced->terminalCheck->setChecked(d->m_terminalBool);
     d->m_uiAdvanced->terminalEdit->setText(d->m_terminalOptionStr);
     d->m_uiAdvanced->terminalCloseCheck->setEnabled(d->m_terminalBool);
     d->m_uiAdvanced->terminalEdit->setEnabled(d->m_terminalBool);
     d->m_uiAdvanced->terminalEditLabel->setEnabled(d->m_terminalBool);
 
     d->m_uiAdvanced->suidCheck->setChecked(d->m_suidBool);
     d->m_uiAdvanced->suidEdit->setText(d->m_suidUserStr);
     d->m_uiAdvanced->suidEdit->setEnabled(d->m_suidBool);
     d->m_uiAdvanced->suidEditLabel->setEnabled(d->m_suidBool);
 
     if (KIO::hasDiscreteGpu()) {
         d->m_uiAdvanced->discreteGpuCheck->setChecked(d->m_runOnDiscreteGpuBool);
     } else {
         d->m_uiAdvanced->discreteGpuGroupBox->hide();
     }
 
     d->m_uiAdvanced->startupInfoCheck->setChecked(d->m_startupBool);
 
     // Provide username completion up to 1000 users.
     const int maxEntries = 1000;
     QStringList userNames = KUser::allUserNames(maxEntries);
     if (userNames.size() < maxEntries) {
         KCompletion *kcom = new KCompletion;
         kcom->setOrder(KCompletion::Sorted);
         d->m_uiAdvanced->suidEdit->setCompletionObject(kcom, true);
         d->m_uiAdvanced->suidEdit->setAutoDeleteCompletionObject(true);
         d->m_uiAdvanced->suidEdit->setCompletionMode(KCompletion::CompletionAuto);
         kcom->setItems(userNames);
     }
 
     connect(d->m_uiAdvanced->terminalEdit, &QLineEdit::textChanged, this, &KPropertiesDialogPlugin::changed);
     connect(d->m_uiAdvanced->terminalCloseCheck, &QAbstractButton::toggled, this, &KPropertiesDialogPlugin::changed);
     connect(d->m_uiAdvanced->terminalCheck, &QAbstractButton::toggled, this, &KPropertiesDialogPlugin::changed);
     connect(d->m_uiAdvanced->suidCheck, &QAbstractButton::toggled, this, &KPropertiesDialogPlugin::changed);
     connect(d->m_uiAdvanced->suidEdit, &QLineEdit::textChanged, this, &KPropertiesDialogPlugin::changed);
     connect(d->m_uiAdvanced->discreteGpuCheck, &QAbstractButton::toggled, this, &KPropertiesDialogPlugin::changed);
     connect(d->m_uiAdvanced->startupInfoCheck, &QAbstractButton::toggled, this, &KPropertiesDialogPlugin::changed);
 
     QObject::connect(dlg, &QDialog::accepted, this, [this]() {
         d->m_terminalOptionStr = d->m_uiAdvanced->terminalEdit->text().trimmed();
         d->m_terminalBool = d->m_uiAdvanced->terminalCheck->isChecked();
         d->m_suidBool = d->m_uiAdvanced->suidCheck->isChecked();
         d->m_suidUserStr = d->m_uiAdvanced->suidEdit->text().trimmed();
         if (KIO::hasDiscreteGpu()) {
             d->m_runOnDiscreteGpuBool = d->m_uiAdvanced->discreteGpuCheck->isChecked();
         }
         d->m_startupBool = d->m_uiAdvanced->startupInfoCheck->isChecked();
 
         if (d->m_uiAdvanced->terminalCloseCheck->isChecked()) {
             d->m_terminalOptionStr.append(QLatin1String(" --noclose"));
         }
     });
 
     dlg->show();
 }
 
 bool KDesktopPropsPlugin::supports(const KFileItemList &_items)
 {
     if (_items.count() != 1) {
         return false;
     }
 
     const KFileItem &item = _items.first();
 
     // check if desktop file
     if (!item.isDesktopFile()) {
         return false;
     }
 
     // open file and check type
     const auto [url, isLocal] = item.isMostLocalUrl();
     if (!isLocal) {
         return false;
     }
 
     KDesktopFile config(url.toLocalFile());
     return config.hasApplicationType() && KAuthorized::authorize(KAuthorized::RUN_DESKTOP_FILES) && KAuthorized::authorize(KAuthorized::SHELL_ACCESS);
 }
 
 QString KDesktopPropsPlugin::KDesktopPropsPluginPrivate::command() const
 {
     QStringList execSplit = KShell::splitArgs(w->envarsEdit->text()) + QStringList(w->programEdit->text()) + KShell::splitArgs(w->argumentsEdit->text());
 
     if (KShell::splitArgs(w->envarsEdit->text()).length()) {
         execSplit.push_front(QLatin1String("env"));
     }
 
     return KShell::joinArgs(execSplit);
 }
 
 #include "moc_kpropertiesdialogbuiltin_p.cpp"