diff --git a/src/filechooser.cpp b/src/filechooser.cpp
index 158d028..861cbb6 100644
--- a/src/filechooser.cpp
+++ b/src/filechooser.cpp
@@ -1,323 +1,324 @@
 /*
  * Copyright © 2016-2018 Red Hat, Inc
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser 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
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  *
  * Authors:
  *       Jan Grulich <jgrulich@redhat.com>
  */
 
 #include "filechooser.h"
 #include "utils.h"
 
 #include <QDialogButtonBox>
 #include <QDBusMetaType>
 #include <QDBusArgument>
 #include <QLoggingCategory>
 #include <QFile>
 #include <QPushButton>
 #include <QVBoxLayout>
 #include <QUrl>
 
 #include <KLocalizedString>
 #include <KFileWidget>
 
 Q_LOGGING_CATEGORY(XdgDesktopPortalKdeFileChooser, "xdp-kde-file-chooser")
 
 // Keep in sync with qflatpakfiledialog from flatpak-platform-plugin
 Q_DECLARE_METATYPE(FileChooserPortal::Filter)
 Q_DECLARE_METATYPE(FileChooserPortal::Filters)
 Q_DECLARE_METATYPE(FileChooserPortal::FilterList)
 Q_DECLARE_METATYPE(FileChooserPortal::FilterListList)
 
 QDBusArgument &operator << (QDBusArgument &arg, const FileChooserPortal::Filter &filter)
 {
     arg.beginStructure();
     arg << filter.type << filter.filterString;
     arg.endStructure();
     return arg;
 }
 
 const QDBusArgument &operator >> (const QDBusArgument &arg, FileChooserPortal::Filter &filter)
 {
     uint type;
     QString filterString;
     arg.beginStructure();
     arg >> type >> filterString;
     filter.type = type;
     filter.filterString = filterString;
     arg.endStructure();
 
     return arg;
 }
 
 QDBusArgument &operator << (QDBusArgument &arg, const FileChooserPortal::FilterList &filterList)
 {
     arg.beginStructure();
     arg << filterList.userVisibleName << filterList.filters;
     arg.endStructure();
     return arg;
 }
 
 const QDBusArgument &operator >> (const QDBusArgument &arg, FileChooserPortal::FilterList &filterList)
 {
     QString userVisibleName;
     FileChooserPortal::Filters filters;
     arg.beginStructure();
     arg >> userVisibleName >> filters;
     filterList.userVisibleName = userVisibleName;
     filterList.filters = filters;
     arg.endStructure();
 
     return arg;
 }
 
 FileDialog::FileDialog(QDialog *parent, Qt::WindowFlags flags)
     : QDialog(parent, flags)
     , m_fileWidget(new KFileWidget(QUrl(), this))
 {
     setLayout(new QVBoxLayout);
     layout()->addWidget(m_fileWidget);
 
     m_buttons = new QDialogButtonBox(this);
     m_buttons->addButton(m_fileWidget->okButton(), QDialogButtonBox::AcceptRole);
     m_buttons->addButton(m_fileWidget->cancelButton(), QDialogButtonBox::RejectRole);
     connect(m_buttons, &QDialogButtonBox::rejected, m_fileWidget, &KFileWidget::slotCancel);
     connect(m_fileWidget->okButton(), &QAbstractButton::clicked, m_fileWidget, &KFileWidget::slotOk);
     connect(m_fileWidget, &KFileWidget::accepted, m_fileWidget, &KFileWidget::accept);
     connect(m_fileWidget, &KFileWidget::accepted, this, &QDialog::accept);
     connect(m_fileWidget->cancelButton(), &QAbstractButton::clicked, this, &QDialog::reject);
     layout()->addWidget(m_buttons);
 }
 
 FileDialog::~FileDialog()
 {
 }
 
 FileChooserPortal::FileChooserPortal(QObject *parent)
     : QDBusAbstractAdaptor(parent)
 {
     qDBusRegisterMetaType<Filter>();
     qDBusRegisterMetaType<Filters>();
     qDBusRegisterMetaType<FilterList>();
     qDBusRegisterMetaType<FilterListList>();
 }
 
 FileChooserPortal::~FileChooserPortal()
 {
 }
 
 uint FileChooserPortal::OpenFile(const QDBusObjectPath &handle,
                            const QString &app_id,
                            const QString &parent_window,
                            const QString &title,
                            const QVariantMap &options,
                            QVariantMap &results)
 {
     Q_UNUSED(app_id);
 
     qCDebug(XdgDesktopPortalKdeFileChooser) << "OpenFile called with parameters:";
     qCDebug(XdgDesktopPortalKdeFileChooser) << "    handle: " << handle.path();
     qCDebug(XdgDesktopPortalKdeFileChooser) << "    parent_window: " << parent_window;
     qCDebug(XdgDesktopPortalKdeFileChooser) << "    title: " << title;
     qCDebug(XdgDesktopPortalKdeFileChooser) << "    options: " << options;
 
     bool modalDialog = true;
     bool multipleFiles = false;
     QString acceptLabel;
     QStringList nameFilters;
     QStringList mimeTypeFilters;
 
     /* TODO
      * choices a(ssa(ss)s)
      * List of serialized combo boxes to add to the file chooser.
      *
      * For each element, the first string is an ID that will be returned with the response, te second string is a user-visible label.
      * The a(ss) is the list of choices, each being a is an ID and a user-visible label. The final string is the initial selection,
      * or "", to let the portal decide which choice will be initially selected. None of the strings, except for the initial selection, should be empty.
      *
      * As a special case, passing an empty array for the list of choices indicates a boolean choice that is typically displayed as a check button, using "true" and "false" as the choices.
      * Example: [('encoding', 'Encoding', [('utf8', 'Unicode (UTF-8)'), ('latin15', 'Western')], 'latin15'), ('reencode', 'Reencode', [], 'false')]
      */
 
     if (options.contains(QStringLiteral("accept_label"))) {
         acceptLabel = options.value(QStringLiteral("accept_label")).toString();
     }
 
     if (options.contains(QStringLiteral("modal"))) {
         modalDialog = options.value(QStringLiteral("modal")).toBool();
     }
 
     if (options.contains(QStringLiteral("multiple"))) {
         multipleFiles = options.value(QStringLiteral("multiple")).toBool();
     }
 
     if (options.contains(QStringLiteral("filters"))) {
         FilterListList filterListList = qdbus_cast<FilterListList>(options.value(QStringLiteral("filters")));
         for (const FilterList &filterList : filterListList) {
             QStringList filterStrings;
             for (const Filter &filterStruct : filterList.filters) {
                 if (filterStruct.type == 0) {
                     filterStrings << filterStruct.filterString;
                 } else {
                     mimeTypeFilters << filterStruct.filterString;
                 }
             }
 
             if (!filterStrings.isEmpty()) {
                 nameFilters << QStringLiteral("%1|%2").arg(filterStrings.join(QLatin1Char(' '))).arg(filterList.userVisibleName);
             }
         }
     }
 
     QScopedPointer<FileDialog, QScopedPointerDeleteLater> fileDialog(new FileDialog());
     Utils::setParentWindow(fileDialog.data(), parent_window);
     fileDialog->setWindowTitle(title);
     fileDialog->setModal(modalDialog);
     fileDialog->m_fileWidget->setMode(multipleFiles ? KFile::Mode::Files | KFile::Mode::ExistingOnly : KFile::Mode::File | KFile::Mode::ExistingOnly);
     fileDialog->m_fileWidget->okButton()->setText(!acceptLabel.isEmpty() ? acceptLabel : i18n("Open"));
 
     if (!nameFilters.isEmpty()) {
         fileDialog->m_fileWidget->setFilter(nameFilters.join(QLatin1Char('\n')));
     }
 
     if (!mimeTypeFilters.isEmpty()) {
         fileDialog->m_fileWidget->setMimeFilter(mimeTypeFilters);
     }
 
     if (fileDialog->exec() == QDialog::Accepted) {
         QStringList files;
         for (const QString &filename : fileDialog->m_fileWidget->selectedFiles()) {
            QUrl url = QUrl::fromLocalFile(filename);
            files << url.toDisplayString();
         }
 
         if (files.isEmpty()) {
             qCDebug(XdgDesktopPortalKdeFileChooser) << "Failed to open file: no local file selected";
             return 2;
         }
 
         results.insert(QStringLiteral("uris"), files);
+        results.insert(QStringLiteral("writable"), true);
         return 0;
     }
 
     return 1;
 }
 
 uint FileChooserPortal::SaveFile(const QDBusObjectPath &handle,
                            const QString &app_id,
                            const QString &parent_window,
                            const QString &title,
                            const QVariantMap &options,
                            QVariantMap &results)
 {
     Q_UNUSED(app_id);
 
     qCDebug(XdgDesktopPortalKdeFileChooser) << "SaveFile called with parameters:";
     qCDebug(XdgDesktopPortalKdeFileChooser) << "    handle: " << handle.path();
     qCDebug(XdgDesktopPortalKdeFileChooser) << "    parent_window: " << parent_window;
     qCDebug(XdgDesktopPortalKdeFileChooser) << "    title: " << title;
     qCDebug(XdgDesktopPortalKdeFileChooser) << "    options: " << options;
 
     bool modalDialog = true;
     QString acceptLabel;
     QString currentName;
     QString currentFolder;
     QString currentFile;
     QStringList nameFilters;
     QStringList mimeTypeFilters;
 
     // TODO parse options - choices
 
     if (options.contains(QStringLiteral("modal"))) {
         modalDialog = options.value(QStringLiteral("modal")).toBool();
     }
 
     if (options.contains(QStringLiteral("accept_label"))) {
         acceptLabel = options.value(QStringLiteral("accept_label")).toString();
     }
 
     if (options.contains(QStringLiteral("current_name"))) {
         currentName = options.value(QStringLiteral("current_name")).toString();
     }
 
     if (options.contains(QStringLiteral("current_folder"))) {
         currentFolder = QFile::decodeName(options.value(QStringLiteral("current_folder")).toByteArray());
     }
 
     if (options.contains(QStringLiteral("current_file"))) {
         currentFile = QFile::decodeName(options.value(QStringLiteral("current_file")).toByteArray());
     }
 
     if (options.contains(QStringLiteral("filters"))) {
         FilterListList filterListList = qdbus_cast<FilterListList>(options.value(QStringLiteral("filters")));
         for (const FilterList &filterList : filterListList) {
             QStringList filterStrings;
             for (const Filter &filterStruct : filterList.filters) {
                 if (filterStruct.type == 0) {
                     filterStrings << filterStruct.filterString;
                 } else {
                     mimeTypeFilters << filterStruct.filterString;
                 }
             }
 
             if (!filterStrings.isEmpty()) {
                 nameFilters << QStringLiteral("%1|%2").arg(filterStrings.join(QLatin1Char(' '))).arg(filterList.userVisibleName);
             }
         }
     }
 
     QScopedPointer<FileDialog, QScopedPointerDeleteLater> fileDialog(new FileDialog());
     Utils::setParentWindow(fileDialog.data(), parent_window);
     fileDialog->setWindowTitle(title);
     fileDialog->setModal(modalDialog);
     fileDialog->m_fileWidget->setOperationMode(KFileWidget::Saving);
     fileDialog->m_fileWidget->setConfirmOverwrite(true);
 
     if (!currentFolder.isEmpty()) {
         fileDialog->m_fileWidget->setUrl(QUrl::fromLocalFile(currentFolder));
     }
 
     if (!currentFile.isEmpty()) {
         fileDialog->m_fileWidget->setSelectedUrl(QUrl::fromLocalFile(currentFile));
     }
 
     if (!currentName.isEmpty()) {
         const QUrl url = fileDialog->m_fileWidget->baseUrl();
         fileDialog->m_fileWidget->setSelectedUrl(QUrl::fromLocalFile(QStringLiteral("%1/%2").arg(url.toDisplayString(QUrl::StripTrailingSlash), currentName)));
     }
 
     if (!acceptLabel.isEmpty()) {
         fileDialog->m_fileWidget->okButton()->setText(acceptLabel);
     }
 
     if (!nameFilters.isEmpty()) {
         fileDialog->m_fileWidget->setFilter(nameFilters.join(QLatin1Char('\n')));
     }
 
     if (!mimeTypeFilters.isEmpty()) {
         fileDialog->m_fileWidget->setMimeFilter(mimeTypeFilters);
     }
 
     if (fileDialog->exec() == QDialog::Accepted) {
         QStringList files;
         QUrl url = QUrl::fromLocalFile(fileDialog->m_fileWidget->selectedFile());
         files << url.toDisplayString();
         results.insert(QStringLiteral("uris"), files);
         return 0;
     }
 
     return 1;
 }