File indexing completed on 2024-05-05 16:08:25

 // -*- c++ -*-
 /* This file is part of the KDE libraries
     Copyright (C) 1997, 1998 Richard Moore <rich@kde.org>
                   1998 Stephan Kulow <coolo@kde.org>
                   1998 Daniel Grana <grana@ie.iwi.unibe.ch>
                   1999,2000,2001,2002,2003 Carsten Pfeiffer <pfeiffer@kde.org>
                   2003 Clarence Dang <dang@kde.org>
                   2008 Jarosław Staniek <staniek@kde.org>
                   2009 David Jarvie <djarvie@kde.org>
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Library General Public License for more details.
 
     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     Boston, MA 02110-1301, USA.
 */
 
 #include "kfiledialog.h"
 
 #include <QCheckBox>
 #include <QKeyEvent>
 #include <QFileDialog>
 #include <QApplication>
 #include <QDesktopWidget>
 #include <QPushButton>
 #include <QVBoxLayout>
 #include <qmimedatabase.h>
 
 #include <kimageio.h>
 #include <klocalizedstring.h>
 #include <krecentdocument.h>
 #include <QDebug>
 #include <kwindowsystem.h>
 #include "kfilewidget.h"
 #include "krecentdirs.h"
 #include "kservice.h"
 #include <ksharedconfig.h>
 #include <kwindowconfig.h>
 
 //From defaults-kfile.h in KIOFileWidgets
 #define ConfigGroup QLatin1String("KFileDialog Settings")
 
 /** File dialogs are native by default on Windows. */
 #if defined(Q_OS_WIN)
 const bool NATIVE_FILEDIALOGS_BY_DEFAULT = true;
 #else
 const bool NATIVE_FILEDIALOGS_BY_DEFAULT = false;
 #endif
 
 static QStringList mime2KdeFilter(const QStringList &mimeTypes, QString *allExtensions = nullptr)
 {
     QMimeDatabase db;
     QStringList kdeFilter;
     QStringList allExt;
     foreach (const QString &mimeType, mimeTypes) {
         QMimeType mime(db.mimeTypeForName(mimeType));
         if (mime.isValid()) {
             allExt += mime.globPatterns();
             kdeFilter.append(mime.globPatterns().join(QLatin1String(" ")) +
                              QLatin1Char('|') +
                              mime.comment());
         }
     }
     if (allExtensions) {
         allExt.sort();
         *allExtensions = allExt.join(QLatin1String(" "));
     }
     return kdeFilter;
 }
 /** @return File dialog filter in Qt format for @a filters
  *          or "All files (*)" for empty list.
  */
 static QString qtFilter(const QStringList &_filters)
 {
     QString converted;
     const QStringList filters = _filters;
 
     foreach (const QString &current, filters) {
         QString new_f; //filter part
         QString new_name; //filter name part
         int p = current.indexOf('|');
         if (p == -1) {
             new_f = current;
             new_name = current; // nothing better found
         } else {
             new_f = current.left(p);
             new_name = current.mid(p + 1);
         }
         //Qt filters assume anything in () is the file extension list
         new_name = new_name.replace('(', '[').replace(')', ']').trimmed();
 
         //convert everything to lower case and remove dupes (doesn't matter on win32)
         QStringList allfiltersUnique;
         const QStringList origList(new_f.split(' ', QString::SkipEmptyParts));
         foreach (const QString &origFilter, origList) {
             if (!allfiltersUnique.contains(origFilter, Qt::CaseInsensitive)) {
                 allfiltersUnique += origFilter.toLower();
             }
         }
 
         if (!converted.isEmpty()) {
             converted += ";;";
         }
 
         converted += (new_name + " (" + allfiltersUnique.join(" ") + QLatin1Char(')'));
     }
 
     // Strip escape characters from escaped '/' characters.
     converted.replace("\\/", "/");
 
     return converted;
 }
 
 /** @return File dialog filter in Qt format for @a filter in KDE format
  *          or "All files (*)" for empty filter.
  */
 static QString qtFilter(const QString &filter)
 {
     // Qt format: "some text (*.first *.second)" or "All files (*)" separated by ;;
     // KDE format: "*.first *.second|Description" or "*|Description", separated by \n (Description is optional)
     QStringList filters;
     if (filter.isEmpty()) {
         filters += i18n("*|All files");
     } else {
         // check if it's a mimefilter
         int pos = filter.indexOf('/');
         if (pos > 0 && filter[pos - 1] != '\\') {
             filters = mime2KdeFilter(filter.split(QLatin1Char(' '), QString::SkipEmptyParts));
         } else {
             filters = filter.split('\n', QString::SkipEmptyParts);
         }
     }
     return qtFilter(filters);
 }
 
 class KFileDialogPrivate
 {
 public:
     /** Data used for native mode. */
     class Native
     {
     public:
         Native()
             : mode(KFile::File),
               operationMode(KFileWidget::Opening)
         {
         }
         /** @return previously set (global) start dir or the first url
          selected using setSelection() or setUrl() if the start dir is empty. */
         QUrl startDir() const
         {
             if (!s_startDir.isEmpty()) {
                 return s_startDir;
             }
             if (!selectedUrls.isEmpty()) {
                 return selectedUrls.first();
             }
             return QUrl();
         }
         /** @return previously set (global) start dir or @p defaultDir
          if the start dir is empty. */
         static QUrl staticStartDir(const QUrl &defaultDir)
         {
             if (s_startDir.isEmpty()) {
                 return defaultDir;
             }
             return s_startDir;
         }
         static QUrl s_startDir;
         static bool s_allowNative;  // as fallback when we can't use native dialog
         QString filter;
         QString selectedFilter;
         QStringList mimeTypes;
         QList<QUrl> selectedUrls;
         KFile::Modes mode;
         KFileWidget::OperationMode operationMode;
     };
 
     KFileDialogPrivate()
         : native(nullptr),
           w(nullptr),
           cfgGroup(KSharedConfig::openConfig(), ConfigGroup)
     {
         if (cfgGroup.readEntry("Native", NATIVE_FILEDIALOGS_BY_DEFAULT) &&
                 KFileDialogPrivate::Native::s_allowNative) {
             native = new Native;
         }
     }
 
     static bool isNative()
     {
         if (!KFileDialogPrivate::Native::s_allowNative) {
             return false;
         }
         KConfigGroup cfgGroup(KSharedConfig::openConfig(), ConfigGroup);
         return cfgGroup.readEntry("Native", NATIVE_FILEDIALOGS_BY_DEFAULT);
     }
 
     static QString getOpenFileName(const QUrl &startDir, const QString &filter,
                                    QWidget *parent, const QString &caption,
                                    QString *selectedFilter);
     static QUrl getOpenUrl(const QUrl &startDir, const QString &filter,
                            QWidget *parent, const QString &caption,
                            QString *selectedFilter);
     static QStringList getOpenFileNames(const QUrl &startDir, const QString &filter,
                                         QWidget *parent, const QString &caption,
                                         QString *selectedFilter);
     static QList<QUrl> getOpenUrls(const QUrl &startDir, const QString &filter,
                                    QWidget *parent, const QString &caption,
                                    QString *selectedFilter);
     static QString getSaveFileName(const QUrl &dir, const QString &filter,
                                    QWidget *parent, const QString &caption,
                                    KFileDialog::Options options, QString *selectedFilter);
     static QUrl getSaveUrl(const QUrl &dir, const QString &filter,
                            QWidget *parent, const QString &caption,
                            KFileDialog::Options options, QString *selectedFilter);
 
     ~KFileDialogPrivate()
     {
         delete native;
     }
 
     Native *native;
     KFileWidget *w;
     KConfigGroup cfgGroup;
 };
 
 QUrl KFileDialogPrivate::Native::s_startDir;
 bool KFileDialogPrivate::Native::s_allowNative = true;
 
 KFileDialog::KFileDialog(const QUrl &startDir, const QString &filter,
                          QWidget *parent, QWidget *customWidget)
 #ifdef Q_OS_WIN
     : QDialog(parent, Qt::WindowMinMaxButtonsHint),
 #else
     : QDialog(parent),
 #endif
       d(new KFileDialogPrivate)
 
 {
     if (d->native) {
         KFileDialogPrivate::Native::s_startDir = startDir;
         // check if it's a mimefilter
         int pos = filter.indexOf('/');
         if (pos > 0 && filter[pos - 1] != '\\') {
             setMimeFilter(filter.split(QLatin1Char(' '), QString::SkipEmptyParts));
         } else {
             setFilter(filter);
         }
         return;
     }
 
     d->w = new KFileWidget(startDir, this);
     KFileWidget *fileQWidget = d->w;
 
     KWindowConfig::restoreWindowSize(windowHandle(), d->cfgGroup); // call this before the fileQWidget is set as the main widget.
     // otherwise the sizes for the components are not obeyed (ereslibre)
 
     d->w->setFilter(filter);
     QVBoxLayout *layout = new QVBoxLayout;
     layout->addWidget(fileQWidget);
     setLayout(layout);
 
     d->w->okButton()->show();
     connect(d->w->okButton(), SIGNAL(clicked()), SLOT(slotOk()));
     d->w->cancelButton()->show();
     connect(d->w->cancelButton(), SIGNAL(clicked()), SLOT(slotCancel()));
 
     // Publish signals
     connect(fileQWidget, SIGNAL(fileSelected(QUrl)),
             SIGNAL(fileSelected(QUrl)));
     connect(fileQWidget, SIGNAL(fileHighlighted(QUrl)),
             SIGNAL(fileHighlighted(QUrl)));
     connect(fileQWidget, SIGNAL(selectionChanged()),
             SIGNAL(selectionChanged()));
     connect(fileQWidget, SIGNAL(filterChanged(QString)),
             SIGNAL(filterChanged(QString)));
 
     connect(fileQWidget, SIGNAL(accepted()), SLOT(accept()));
     //connect(fileQWidget, SIGNAL(canceled()), SLOT(slotCancel()));
 
     if (customWidget) {
         d->w->setCustomWidget(QString(), customWidget);
     }
 }
 
 KFileDialog::~KFileDialog()
 {
     delete d;
 }
 
 void KFileDialog::setLocationLabel(const QString &text)
 {
     if (d->w) {
         d->w->setLocationLabel(text);
     }
 }
 
 void KFileDialog::setFilter(const QString &filter)
 {
     if (d->native) {
         d->native->filter = filter;
         return;
     }
     d->w->setFilter(filter);
 }
 
 QString KFileDialog::currentFilter() const
 {
     if (d->w) {
         return d->w->currentFilter();
     }
     return QString();    // not available
 }
 
 void KFileDialog::setMimeFilter(const QStringList &mimeTypes,
                                 const QString &defaultType)
 {
     if (d->native) {
         QString allExtensions;
         QStringList filters = mime2KdeFilter(mimeTypes, &allExtensions);
         if (defaultType.isEmpty() && (mimeTypes.count() > 1)) {
             filters.prepend(allExtensions + QLatin1Char('|') + i18n("All Supported Files"));
         }
         d->native->filter = filters.join(QLatin1String("\n"));
         return;
     }
     d->w->setMimeFilter(mimeTypes, defaultType);
 }
 
 void KFileDialog::clearFilter()
 {
     if (d->native) {
         d->native->filter.clear();
         return;
     }
     d->w->clearFilter();
 }
 
 QString KFileDialog::currentMimeFilter() const
 {
     if (d->native) {
         // adapted from qt2KdeFilter
         QString filter = d->native->selectedFilter.split(";;").replaceInStrings("/", "\\/")[0];
         filter = filter.mid(filter.indexOf('(') + 1, filter.indexOf(')') - filter.indexOf('(') - 1);
         QMimeDatabase db;
         QString mimetype = db.mimeTypeForFile("test" + filter.mid(1).split(' ')[0], QMimeDatabase::MatchExtension).name();
         return mimetype;
     }
     return d->w->currentMimeFilter();
 }
 
 QMimeType KFileDialog::currentFilterMimeType()
 {
     QMimeDatabase db;
     return db.mimeTypeForName(currentMimeFilter());
 }
 
 void KFileDialog::setPreviewWidget(KPreviewWidgetBase *w)
 {
     if (d->w) {
         d->w->setPreviewWidget(w);
     }
 }
 
 void KFileDialog::setInlinePreviewShown(bool show)
 {
     if (d->w) {
         d->w->setInlinePreviewShown(show);
     }
 }
 
 // This is only used for the initial size when no configuration has been saved
 QSize KFileDialog::sizeHint() const
 {
     if (d->w) {
         return d->w->dialogSizeHint();
     }
     return QSize();
 }
 
 // This slot still exists mostly for compat purposes; for subclasses which reimplement slotOk
 void KFileDialog::slotOk()
 {
     if (d->w) {
         d->w->slotOk();
     }
 }
 
 // This slot still exists mostly for compat purposes; for subclasses which reimplement accept
 void KFileDialog::accept()
 {
     if (d->w) {
         setResult(QDialog::Accepted);   // keep old behavior; probably not needed though
         d->w->accept();
         KConfigGroup cfgGroup(KSharedConfig::openConfig(), ConfigGroup);
         QDialog::accept();
     }
 }
 
 // This slot still exists mostly for compat purposes; for subclasses which reimplement slotCancel
 void KFileDialog::slotCancel()
 {
     if (d->w) {
         d->w->slotCancel();
         reject();
     }
 }
 
 void KFileDialog::setUrl(const QUrl &url, bool clearforward)
 {
     if (d->native) {
         d->native->selectedUrls.clear();
         d->native->selectedUrls.append(url);
         return;
     }
     d->w->setUrl(url, clearforward);
 }
 
 void KFileDialog::setSelection(const QString &name)
 {
     if (d->native) {
         d->native->selectedUrls.clear();
         d->native->selectedUrls.append(QUrl(name)); // could be relative
         return;
     }
     d->w->setSelection(name);
 }
 
 QString KFileDialog::getOpenFileName(const QUrl &startDir,
                                      const QString &filter,
                                      QWidget *parent, const QString &caption)
 {
     return KFileDialogPrivate::getOpenFileName(startDir, filter, parent, caption, nullptr);
 }
 
 QString KFileDialogPrivate::getOpenFileName(const QUrl &startDir,
         const QString &filter,
         QWidget *parent,
         const QString &caption,
         QString *selectedFilter)
 {
     if (KFileDialogPrivate::isNative() && (!startDir.isValid() || startDir.isLocalFile())) {
         return QFileDialog::getOpenFileName(
                    parent,
                    caption.isEmpty() ? i18n("Open") : caption,
                    KFileDialogPrivate::Native::staticStartDir(startDir).toLocalFile(),
                    qtFilter(filter),
                    selectedFilter);
 // TODO use extra args?     QString * selectedFilter = 0, Options options = 0
     }
     KFileDialog dlg(startDir, filter, parent);
 
     dlg.setOperationMode(KFileDialog::Opening);
     dlg.setMode(KFile::File | KFile::LocalOnly | KFile::ExistingOnly);
     dlg.setWindowTitle(caption.isEmpty() ? i18n("Open") : caption);
 
     dlg.exec();
     if (selectedFilter) {
         *selectedFilter = dlg.currentMimeFilter();
     }
     return dlg.selectedFile();
 }
 
 QString KFileDialog::getOpenFileNameWId(const QUrl &startDir,
                                         const QString &filter,
                                         WId parent_id, const QString &caption)
 {
     if (KFileDialogPrivate::isNative() && (!startDir.isValid() || startDir.isLocalFile())) {
         return KFileDialog::getOpenFileName(startDir, filter, nullptr, caption);    // everything we can do...
     }
     QWidget *parent = QWidget::find(parent_id);
     KFileDialogPrivate::Native::s_allowNative = false;
     KFileDialog dlg(startDir, filter, parent);
     if (parent == nullptr && parent_id != 0) {
         dlg.setAttribute(Qt::WA_NativeWindow, true);
         KWindowSystem::setMainWindow(dlg.windowHandle(), parent_id);
     }
 
     dlg.setOperationMode(KFileDialog::Opening);
     dlg.setMode(KFile::File | KFile::LocalOnly | KFile::ExistingOnly);
     dlg.setWindowTitle(caption.isEmpty() ? i18n("Open") : caption);
 
     dlg.exec();
 
     return dlg.selectedFile();
 }
 
 QStringList KFileDialog::getOpenFileNames(const QUrl &startDir,
         const QString &filter,
         QWidget *parent,
         const QString &caption)
 {
     return KFileDialogPrivate::getOpenFileNames(startDir, filter, parent, caption, nullptr);
 }
 
 QStringList KFileDialogPrivate::getOpenFileNames(const QUrl &startDir,
         const QString &filter,
         QWidget *parent,
         const QString &caption,
         QString *selectedFilter)
 {
     if (KFileDialogPrivate::isNative() && (!startDir.isValid() || startDir.isLocalFile())) {
         return QFileDialog::getOpenFileNames(
                    parent,
                    caption.isEmpty() ? i18n("Open") : caption,
                    KFileDialogPrivate::Native::staticStartDir(startDir).toLocalFile(),
                    qtFilter(filter), selectedFilter);
 // TODO use extra args?  QString * selectedFilter = 0, Options options = 0
     }
     KFileDialogPrivate::Native::s_allowNative = false;
     KFileDialog dlg(startDir, filter, parent);
 
     dlg.setOperationMode(KFileDialog::Opening);
     dlg.setMode(KFile::Files | KFile::LocalOnly | KFile::ExistingOnly);
     dlg.setWindowTitle(caption.isEmpty() ? i18n("Open") : caption);
 
     dlg.exec();
     if (selectedFilter) {
         *selectedFilter = dlg.currentMimeFilter();
     }
     return dlg.selectedFiles();
 }
 
 QUrl KFileDialog::getOpenUrl(const QUrl &startDir, const QString &filter,
                              QWidget *parent, const QString &caption)
 {
     return KFileDialogPrivate::getOpenUrl(startDir, filter, parent, caption, nullptr);
 }
 QUrl KFileDialogPrivate::getOpenUrl(const QUrl &startDir, const QString &filter,
                                     QWidget *parent, const QString &caption,
                                     QString *selectedFilter)
 {
     if (KFileDialogPrivate::isNative() && (!startDir.isValid() || startDir.isLocalFile())) {
         const QString fileName(KFileDialogPrivate::getOpenFileName(
                                    startDir, filter, parent, caption, selectedFilter));
         return fileName.isEmpty() ? QUrl() : QUrl::fromLocalFile(fileName);
     }
     KFileDialogPrivate::Native::s_allowNative = false;
     KFileDialog dlg(startDir, filter, parent);
 
     dlg.setOperationMode(KFileDialog::Opening);
     dlg.setMode(KFile::File | KFile::ExistingOnly);
     dlg.setWindowTitle(caption.isEmpty() ? i18n("Open") : caption);
 
     dlg.exec();
     if (selectedFilter) {
         *selectedFilter = dlg.currentMimeFilter();
     }
     return dlg.selectedUrl();
 }
 
 QList<QUrl> KFileDialog::getOpenUrls(const QUrl &startDir,
                                      const QString &filter,
                                      QWidget *parent,
                                      const QString &caption)
 {
     return KFileDialogPrivate::getOpenUrls(startDir, filter, parent, caption, nullptr);
 }
 
 QList<QUrl> KFileDialogPrivate::getOpenUrls(const QUrl &startDir,
         const QString &filter,
         QWidget *parent,
         const QString &caption,
         QString *selectedFilter)
 {
     if (KFileDialogPrivate::isNative() && (!startDir.isValid() || startDir.isLocalFile())) {
         const QStringList fileNames(KFileDialogPrivate::getOpenFileNames(
                                         startDir, filter, parent, caption, selectedFilter));
         QList<QUrl> urls;
         Q_FOREACH (const QString &file, fileNames) {
             urls.append(QUrl::fromLocalFile(file));
         }
         return urls;
     }
     KFileDialogPrivate::Native::s_allowNative = false;
 
     KFileDialog dlg(startDir, filter, parent);
 
     dlg.setOperationMode(KFileDialog::Opening);
     dlg.setMode(KFile::Files | KFile::ExistingOnly);
     dlg.setWindowTitle(caption.isEmpty() ? i18n("Open") : caption);
 
     dlg.exec();
     if (selectedFilter) {
         *selectedFilter = dlg.currentMimeFilter();
     }
     return dlg.selectedUrls();
 }
 
 void KFileDialog::setConfirmOverwrite(bool enable)
 {
     if (d->w && operationMode() == KFileDialog::Saving) {
         d->w->setConfirmOverwrite(enable);
     }
 }
 
 QUrl KFileDialog::getExistingDirectoryUrl(const QUrl &startDir,
         QWidget *parent,
         const QString &caption)
 {
     return QFileDialog::getExistingDirectoryUrl(parent, caption, KFileDialogPrivate::Native::staticStartDir(startDir));
 }
 
 QString KFileDialog::getExistingDirectory(const QUrl &startDir,
         QWidget *parent,
         const QString &caption)
 {
     if (KFileDialogPrivate::isNative() && (!startDir.isValid() || startDir.isLocalFile())) {
         return QFileDialog::getExistingDirectory(parent, caption,
                 KFileDialogPrivate::Native::staticStartDir(startDir).toLocalFile(),
                 QFileDialog::ShowDirsOnly);
     }
     QUrl url = KFileDialog::getExistingDirectoryUrl(startDir, parent, caption);
     if (url.isValid()) {
         return url.toLocalFile();
     }
     return QString();
 }
 
 QUrl KFileDialog::getImageOpenUrl(const QUrl &startDir, QWidget *parent,
                                   const QString &caption)
 {
     if (KFileDialogPrivate::isNative() && (!startDir.isValid() || startDir.isLocalFile())) { // everything we can do...
         const QStringList mimetypes(KImageIO::mimeTypes(KImageIO::Reading));
         return KFileDialog::getOpenUrl(startDir, mimetypes.join(" "), parent, caption);
     }
     const QStringList mimetypes = KImageIO::mimeTypes(KImageIO::Reading);
     KFileDialogPrivate::Native::s_allowNative = false;
     KFileDialog dlg(startDir, mimetypes.join(" "), parent);
 
     dlg.setOperationMode(KFileDialog::Opening);
     dlg.setMode(KFile::File | KFile::ExistingOnly);
     dlg.setWindowTitle(caption.isEmpty() ? i18n("Open") : caption);
     dlg.setInlinePreviewShown(true);
 
     dlg.exec();
 
     return dlg.selectedUrl();
 }
 
 QUrl KFileDialog::selectedUrl() const
 {
     if (d->native) {
         return d->native->selectedUrls.isEmpty() ? QUrl() : d->native->selectedUrls.first();
     }
     return d->w->selectedUrl();
 }
 
 QList<QUrl> KFileDialog::selectedUrls() const
 {
     if (d->native) {
         return d->native->selectedUrls;
     }
     return d->w->selectedUrls();
 }
 
 QString KFileDialog::selectedFile() const
 {
     if (d->native) {
         return selectedUrl().toLocalFile();
     }
     return d->w->selectedFile();
 }
 
 QStringList KFileDialog::selectedFiles() const
 {
     if (d->native) {
         QStringList lst;
         Q_FOREACH (const QUrl &u, selectedUrls()) {
             if (u.isLocalFile()) {
                 lst.append(u.toLocalFile());
             }
         }
         return lst;
     }
     return d->w->selectedFiles();
 }
 
 QUrl KFileDialog::baseUrl() const
 {
     if (d->native) {
         return selectedUrl().isEmpty() ? QUrl() : QUrl::fromLocalFile(selectedUrl().path());    /* shouldn't that be .directory()? */
     }
     return d->w->baseUrl();
 }
 
 QString KFileDialog::getSaveFileName(const QUrl &dir, const QString &filter,
                                      QWidget *parent,
                                      const QString &caption)
 {
     //TODO KDE5: replace this method by the method below (with default parameter values in declaration)
     // Set no confirm-overwrite mode for backwards compatibility
     return KFileDialogPrivate::getSaveFileName(dir, filter, parent, caption, Options(), nullptr);
 }
 
 QString KFileDialog::getSaveFileName(const QUrl &dir, const QString &filter,
                                      QWidget *parent,
                                      const QString &caption, Options options)
 {
     return KFileDialogPrivate::getSaveFileName(dir, filter, parent, caption, options, nullptr);
 }
 
 QString KFileDialogPrivate::getSaveFileName(const QUrl &dir, const QString &filter,
         QWidget *parent, const QString &caption,
         KFileDialog::Options options, QString *selectedFilter)
 {
     if (KFileDialogPrivate::isNative()) {
         bool defaultDir = dir.isEmpty();
         bool specialDir = !defaultDir && dir.scheme() == "kfiledialog";
         QUrl startDir;
         QString recentDirClass;
         if (specialDir) {
             startDir = KFileDialog::getStartUrl(dir, recentDirClass);
         } else if (!specialDir && !defaultDir) {
             if (!dir.isLocalFile()) {
                 qWarning() << "non-local start dir " << dir;
             }
             startDir = dir;
         }
 
         QFileDialog::Options opts = (options & KFileDialog::ConfirmOverwrite) ? QFileDialog::Options() : QFileDialog::DontConfirmOverwrite;
         const QString result = QFileDialog::getSaveFileName(
                                    parent,
                                    caption.isEmpty() ? i18n("Save As") : caption,
                                    KFileDialogPrivate::Native::staticStartDir(startDir).toLocalFile(),
                                    qtFilter(filter),
 // TODO use extra args?     QString * selectedFilter = 0, Options opts = 0
                                    selectedFilter, opts);
         if (!result.isEmpty()) {
             if (!recentDirClass.isEmpty()) {
                 KRecentDirs::add(recentDirClass, QUrl::fromLocalFile(result).toString());
             }
             KRecentDocument::add(result);
         }
         return result;
     }
 
     KFileDialog dlg(dir, filter, parent);
 
     dlg.setOperationMode(KFileDialog::Saving);
     dlg.setMode(KFile::File | KFile::LocalOnly);
     dlg.setConfirmOverwrite(options & KFileDialog::ConfirmOverwrite);
     dlg.setInlinePreviewShown(options & KFileDialog::ShowInlinePreview);
     dlg.setWindowTitle(caption.isEmpty() ? i18n("Save As") : caption);
 
     dlg.exec();
 
     QString filename = dlg.selectedFile();
     if (!filename.isEmpty()) {
         KRecentDocument::add(filename);
     }
 
     return filename;
 }
 
 QString KFileDialog::getSaveFileNameWId(const QUrl &dir, const QString &filter,
                                         WId parent_id,
                                         const QString &caption)
 {
     //TODO KDE5: replace this method by the method below (with default parameter values in declaration)
     // Set no confirm-overwrite mode for backwards compatibility
     return getSaveFileNameWId(dir, filter, parent_id, caption, Options());
 }
 
 QString KFileDialog::getSaveFileNameWId(const QUrl &dir, const QString &filter,
                                         WId parent_id,
                                         const QString &caption, Options options)
 {
     if (KFileDialogPrivate::isNative()) {
         return KFileDialog::getSaveFileName(dir, filter, nullptr, caption, options); // everything we can do...
     }
 
     QWidget *parent = QWidget::find(parent_id);
     KFileDialog dlg(dir, filter, parent);
     if (parent == nullptr && parent_id != 0) {
         dlg.setAttribute(Qt::WA_NativeWindow, true);
         KWindowSystem::setMainWindow(dlg.windowHandle(), parent_id);
     }
 
     dlg.setOperationMode(KFileDialog::Saving);
     dlg.setMode(KFile::File | KFile::LocalOnly);
     dlg.setConfirmOverwrite(options & ConfirmOverwrite);
     dlg.setInlinePreviewShown(options & ShowInlinePreview);
     dlg.setWindowTitle(caption.isEmpty() ? i18n("Save As") : caption);
 
     dlg.exec();
 
     QString filename = dlg.selectedFile();
     if (!filename.isEmpty()) {
         KRecentDocument::add(filename);
     }
 
     return filename;
 }
 
 QUrl KFileDialog::getSaveUrl(const QUrl &dir, const QString &filter,
                              QWidget *parent, const QString &caption)
 {
     //TODO KDE5: replace this method by the method below (with default parameter values in declaration)
     // Set no confirm-overwrite mode for backwards compatibility
     return KFileDialogPrivate::getSaveUrl(dir, filter, parent, caption, Options(), nullptr);
 }
 
 QUrl KFileDialog::getSaveUrl(const QUrl &dir, const QString &filter,
                              QWidget *parent, const QString &caption, Options options)
 {
     return KFileDialogPrivate::getSaveUrl(dir, filter, parent, caption, options, nullptr);
 }
 
 QUrl KFileDialogPrivate::getSaveUrl(const QUrl &dir, const QString &filter,
                                     QWidget *parent, const QString &caption,
                                     KFileDialog::Options options, QString *selectedFilter)
 {
     if (KFileDialogPrivate::isNative() && (!dir.isValid() || dir.isLocalFile())) {
         const QString fileName(KFileDialogPrivate::getSaveFileName(
                                    dir, filter, parent, caption, options, selectedFilter));
         return fileName.isEmpty() ? QUrl() : QUrl::fromLocalFile(fileName);
     }
 
     KFileDialogPrivate::Native::s_allowNative = false;
 
     KFileDialog dlg(dir, filter, parent);
 
     dlg.setOperationMode(KFileDialog::Saving);
     dlg.setMode(KFile::File);
     dlg.setConfirmOverwrite(options & KFileDialog::ConfirmOverwrite);
     dlg.setInlinePreviewShown(options & KFileDialog::ShowInlinePreview);
     dlg.setWindowTitle(caption.isEmpty() ? i18n("Save As") : caption);
 
     dlg.exec();
     if (selectedFilter) {
         *selectedFilter = dlg.currentMimeFilter();
     }
     QUrl url = dlg.selectedUrl();
     if (url.isValid()) {
         KRecentDocument::add(url);
     }
 
     return url;
 }
 
 void KFileDialog::setMode(KFile::Modes m)
 {
     if (d->native) {
         d->native->mode = m;
     } else {
         d->w->setMode(m);
     }
 }
 
 KFile::Modes KFileDialog::mode() const
 {
     if (d->native) {
         return d->native->mode;
     }
     return d->w->mode();
 }
 
 QPushButton *KFileDialog::okButton() const
 {
     if (d->w) {
         return d->w->okButton();
     }
     return nullptr;
 }
 
 QPushButton *KFileDialog::cancelButton() const
 {
     if (d->w) {
         return d->w->cancelButton();
     }
     return nullptr;
 }
 
 KUrlComboBox *KFileDialog::locationEdit() const
 {
     if (d->w) {
         return d->w->locationEdit();
     }
     return nullptr;
 }
 
 KFileFilterCombo *KFileDialog::filterWidget() const
 {
     if (d->w) {
         return d->w->filterWidget();
     }
     return nullptr;
 }
 
 KActionCollection *KFileDialog::actionCollection() const
 {
     if (d->w) {
         return d->w->actionCollection();
     }
     return nullptr;
 }
 
 void KFileDialog::setKeepLocation(bool keep)
 {
     if (d->w) {
         d->w->setKeepLocation(keep);
     }
 }
 
 bool KFileDialog::keepsLocation() const
 {
     if (d->w) {
         return d->w->keepsLocation();
     }
     return false;
 }
 
 void KFileDialog::setOperationMode(OperationMode mode)
 {
     if (d->native) {
         d->native->operationMode = static_cast<KFileWidget::OperationMode>(mode);
     } else {
         d->w->setOperationMode(static_cast<KFileWidget::OperationMode>(mode));
     }
 }
 
 KFileDialog::OperationMode KFileDialog::operationMode() const
 {
     if (d->native) {
         return static_cast<KFileDialog::OperationMode>(d->native->operationMode);
     }
     return static_cast<KFileDialog::OperationMode>(d->w->operationMode());
 }
 
 void KFileDialog::keyPressEvent(QKeyEvent *e)
 {
     if (d->w) {
         if (e->key() == Qt::Key_Escape) {
             e->accept();
             d->w->cancelButton()->animateClick();
         } else {
             QDialog::keyPressEvent(e);
         }
     }
 }
 
 void KFileDialog::hideEvent(QHideEvent *e)
 {
     if (d->w) {
         KWindowConfig::saveWindowSize(windowHandle(), d->cfgGroup, KConfigBase::Persistent);
 
         QDialog::hideEvent(e);
     }
 }
 
 // static
 QUrl KFileDialog::getStartUrl(const QUrl &startDir,
                               QString &recentDirClass)
 {
     return KFileWidget::getStartUrl(startDir, recentDirClass);
 }
 
 void KFileDialog::setStartDir(const QUrl &directory)
 {
     if (KFileDialogPrivate::isNative()) {
         KFileDialogPrivate::Native::s_startDir = directory;
     }
     KFileWidget::setStartDir(directory);
 }
 
 KToolBar *KFileDialog::toolBar() const
 {
     if (d->w) {
         return d->w->toolBar();
     }
     return nullptr;
 }
 
 KFileWidget *KFileDialog::fileWidget()
 {
     return d->w;
 }
 
 #ifdef Q_OS_WIN
 int KFileDialog::exec()
 {
     if (!d->native || !KFileDialogPrivate::Native::s_allowNative) {
         KFileDialogPrivate::Native::s_allowNative = true;
         return QDialog::exec();
     }
 
 // not clear here to let KFileDialogPrivate::Native::startDir() return a useful value
 // d->native->selectedUrls.clear();
     int res = QDialog::Rejected;
     switch (d->native->operationMode) {
     case KFileWidget::Opening:
     case KFileWidget::Other:
         if (d->native->mode & KFile::File) {
             QUrl url(KFileDialogPrivate::getOpenUrl(
                          d->native->startDir(), d->native->filter, parentWidget(), windowTitle(), &d->native->selectedFilter));
             if (url.isEmpty() || !url.isValid()) {
                 res = QDialog::Rejected;
                 break;
             }
             d->native->selectedUrls.clear();
             d->native->selectedUrls.append(url);
             res = QDialog::Accepted;
             break;
         } else if (d->native->mode & KFile::Files) {
             QList<QUrl> urls(KFileDialogPrivate::getOpenUrls(
                                  d->native->startDir(), d->native->filter, parentWidget(), windowTitle(), &d->native->selectedFilter));
             if (urls.isEmpty()) {
                 res = QDialog::Rejected;
                 break;
             }
             d->native->selectedUrls = urls;
             res = QDialog::Accepted;
             break;
         } else if (d->native->mode & KFile::Directory) {
             QUrl url(KFileDialog::getExistingDirectoryUrl(
                          d->native->startDir(), parentWidget(), windowTitle()));
             if (url.isEmpty() || !url.isValid()) {
                 res = QDialog::Rejected;
                 break;
             }
             d->native->selectedUrls.clear();
             d->native->selectedUrls.append(url);
             res = QDialog::Accepted;
             break;
         }
         break;
     case KFileWidget::Saving:
         if (d->native->mode & KFile::File) {
             QUrl url(KFileDialogPrivate::getSaveUrl(
                          d->native->startDir(), d->native->filter, parentWidget(), windowTitle(), Options(), &d->native->selectedFilter));
             if (url.isEmpty() || !url.isValid())  {
                 res = QDialog::Rejected;
                 break;
             }
             d->native->selectedUrls.clear();
             d->native->selectedUrls.append(url);
             res = QDialog::Accepted;
             break;
         } else if (d->native->mode & KFile::Directory) {
             QUrl url(KFileDialog::getExistingDirectoryUrl(
                          d->native->startDir(), parentWidget(), windowTitle()));
             if (url.isEmpty() || !url.isValid()) {
                 res = QDialog::Rejected;
                 break;
             }
             d->native->selectedUrls.clear();
             d->native->selectedUrls.append(url);
             res = QDialog::Accepted;
             break;
         }
         break;
     default:;
     }
 
     setResult(res);
     emit finished(res);
 
     if (res == QDialog::Accepted) {
         emit accepted();
     } else {
         emit rejected();
     }
 
     return res;
 }
 #endif // Q_OS_WIN
 
 #include "moc_kfiledialog.cpp"