Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 945 insertions, 0 deletions

diff --git a/vcl/qt5/Qt5FilePicker.cxx b/vcl/qt5/Qt5FilePicker.cxx
new file mode 100644
index 000000000..d648a5d94
--- /dev/null
+++ b/vcl/qt5/Qt5FilePicker.cxx
@@ -0,0 +1,945 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <Qt5FilePicker.hxx>
+#include <Qt5FilePicker.moc>
+
+#include <Qt5Frame.hxx>
+#include <Qt5Tools.hxx>
+#include <Qt5Widget.hxx>
+#include <Qt5Instance.hxx>
+
+#include <com/sun/star/awt/SystemDependentXWindow.hpp>
+#include <com/sun/star/awt/XSystemDependentWindowPeer.hpp>
+#include <com/sun/star/awt/XWindow.hpp>
+#include <com/sun/star/frame/Desktop.hpp>
+#include <com/sun/star/frame/TerminationVetoException.hpp>
+#include <com/sun/star/frame/XDesktop.hpp>
+#include <com/sun/star/lang/DisposedException.hpp>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <com/sun/star/lang/SystemDependent.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+#include <com/sun/star/ui/dialogs/CommonFilePickerElementIds.hpp>
+#include <com/sun/star/ui/dialogs/ControlActions.hpp>
+#include <com/sun/star/ui/dialogs/ExecutableDialogResults.hpp>
+#include <com/sun/star/ui/dialogs/ExtendedFilePickerElementIds.hpp>
+#include <com/sun/star/ui/dialogs/TemplateDescription.hpp>
+#include <com/sun/star/uri/ExternalUriReferenceTranslator.hpp>
+#include <cppuhelper/interfacecontainer.h>
+#include <cppuhelper/supportsservice.hxx>
+#include <rtl/process.h>
+#include <sal/log.hxx>
+
+#include <QtCore/QDebug>
+#include <QtCore/QRegularExpression>
+#include <QtCore/QThread>
+#include <QtCore/QUrl>
+#include <QtGui/QClipboard>
+#include <QtGui/QWindow>
+#include <QtWidgets/QApplication>
+#include <QtWidgets/QCheckBox>
+#include <QtWidgets/QComboBox>
+#include <QtWidgets/QGridLayout>
+#include <QtWidgets/QHBoxLayout>
+#include <QtWidgets/QLabel>
+#include <QtWidgets/QMessageBox>
+#include <QtWidgets/QPushButton>
+#include <QtWidgets/QWidget>
+
+#include <unx/geninst.h>
+#include <strings.hrc>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::ui::dialogs;
+using namespace ::com::sun::star::ui::dialogs::TemplateDescription;
+using namespace ::com::sun::star::ui::dialogs::ExtendedFilePickerElementIds;
+using namespace ::com::sun::star::ui::dialogs::CommonFilePickerElementIds;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::beans;
+using namespace ::com::sun::star::uno;
+
+namespace
+{
+uno::Sequence<OUString> FilePicker_getSupportedServiceNames()
+{
+    return { "com.sun.star.ui.dialogs.FilePicker", "com.sun.star.ui.dialogs.SystemFilePicker",
+             "com.sun.star.ui.dialogs.Qt5FilePicker" };
+}
+}
+
+Qt5FilePicker::Qt5FilePicker(css::uno::Reference<css::uno::XComponentContext> const& context,
+                             QFileDialog::FileMode eMode, bool bUseNative)
+    : Qt5FilePicker_Base(m_aHelperMutex)
+    , m_context(context)
+    , m_bIsFolderPicker(eMode == QFileDialog::Directory)
+    , m_pParentWidget(nullptr)
+    , m_pFileDialog(new QFileDialog(nullptr, {}, QDir::homePath()))
+    , m_pExtraControls(new QWidget())
+{
+    m_pFileDialog->setOption(QFileDialog::DontUseNativeDialog, !bUseNative);
+
+    m_pFileDialog->setFileMode(eMode);
+    m_pFileDialog->setWindowModality(Qt::ApplicationModal);
+
+    if (m_bIsFolderPicker)
+    {
+        m_pFileDialog->setOption(QFileDialog::ShowDirsOnly, true);
+        m_pFileDialog->setWindowTitle(toQString(VclResId(STR_FPICKER_FOLDER_DEFAULT_TITLE)));
+    }
+
+    m_pLayout = dynamic_cast<QGridLayout*>(m_pFileDialog->layout());
+
+    setMultiSelectionMode(false);
+
+    // XFilePickerListener notifications
+    connect(m_pFileDialog.get(), SIGNAL(filterSelected(const QString&)), this,
+            SLOT(filterSelected(const QString&)));
+    connect(m_pFileDialog.get(), SIGNAL(currentChanged(const QString&)), this,
+            SLOT(currentChanged(const QString&)));
+
+    // update automatic file extension when filter is changed
+    connect(m_pFileDialog.get(), SIGNAL(filterSelected(const QString&)), this,
+            SLOT(updateAutomaticFileExtension()));
+}
+
+Qt5FilePicker::~Qt5FilePicker()
+{
+    SolarMutexGuard g;
+    auto* pSalInst(static_cast<Qt5Instance*>(GetSalData()->m_pInstance));
+    assert(pSalInst);
+    pSalInst->RunInMainThread([this]() {
+        // must delete it in main thread, otherwise
+        // QSocketNotifier::setEnabled() will crash us
+        m_pFileDialog.reset();
+    });
+}
+
+void SAL_CALL
+Qt5FilePicker::addFilePickerListener(const uno::Reference<XFilePickerListener>& xListener)
+{
+    SolarMutexGuard aGuard;
+    m_xListener = xListener;
+}
+
+void SAL_CALL Qt5FilePicker::removeFilePickerListener(const uno::Reference<XFilePickerListener>&)
+{
+    SolarMutexGuard aGuard;
+    m_xListener.clear();
+}
+
+void SAL_CALL Qt5FilePicker::setTitle(const OUString& title)
+{
+    SolarMutexGuard g;
+    auto* pSalInst(static_cast<Qt5Instance*>(GetSalData()->m_pInstance));
+    assert(pSalInst);
+    pSalInst->RunInMainThread(
+        [this, &title]() { m_pFileDialog->setWindowTitle(toQString(title)); });
+}
+
+sal_Int16 SAL_CALL Qt5FilePicker::execute()
+{
+    SolarMutexGuard g;
+    auto* pSalInst(static_cast<Qt5Instance*>(GetSalData()->m_pInstance));
+    assert(pSalInst);
+    if (!pSalInst->IsMainThread())
+    {
+        sal_uInt16 ret;
+        pSalInst->RunInMainThread([&ret, this]() { ret = execute(); });
+        return ret;
+    }
+
+    QWidget* pTransientParent = m_pParentWidget;
+    if (!pTransientParent)
+    {
+        vcl::Window* pWindow = ::Application::GetActiveTopWindow();
+        if (pWindow)
+        {
+            Qt5Frame* pFrame = dynamic_cast<Qt5Frame*>(pWindow->ImplGetFrame());
+            assert(pFrame);
+            if (pFrame)
+                pTransientParent = pFrame->asChild();
+        }
+    }
+
+    if (!m_aNamedFilterList.isEmpty())
+        m_pFileDialog->setNameFilters(m_aNamedFilterList);
+    if (!m_aCurrentFilter.isEmpty())
+        m_pFileDialog->selectNameFilter(m_aCurrentFilter);
+
+    updateAutomaticFileExtension();
+
+    uno::Reference<css::frame::XDesktop> xDesktop(css::frame::Desktop::create(m_context),
+                                                  UNO_QUERY_THROW);
+
+    // will hide the window, so do before show
+    m_pFileDialog->setParent(pTransientParent, m_pFileDialog->windowFlags());
+    m_pFileDialog->show();
+    xDesktop->addTerminateListener(this);
+    int result = m_pFileDialog->exec();
+    xDesktop->removeTerminateListener(this);
+    m_pFileDialog->setParent(nullptr, m_pFileDialog->windowFlags());
+
+    if (QFileDialog::Rejected == result)
+        return ExecutableDialogResults::CANCEL;
+    return ExecutableDialogResults::OK;
+}
+
+void SAL_CALL Qt5FilePicker::setMultiSelectionMode(sal_Bool multiSelect)
+{
+    SolarMutexGuard g;
+    auto* pSalInst(static_cast<Qt5Instance*>(GetSalData()->m_pInstance));
+    assert(pSalInst);
+    pSalInst->RunInMainThread([this, multiSelect]() {
+        if (m_bIsFolderPicker || m_pFileDialog->acceptMode() == QFileDialog::AcceptSave)
+            return;
+
+        m_pFileDialog->setFileMode(multiSelect ? QFileDialog::ExistingFiles
+                                               : QFileDialog::ExistingFile);
+    });
+}
+
+void SAL_CALL Qt5FilePicker::setDefaultName(const OUString& name)
+{
+    SolarMutexGuard g;
+    auto* pSalInst(static_cast<Qt5Instance*>(GetSalData()->m_pInstance));
+    assert(pSalInst);
+    pSalInst->RunInMainThread([this, &name]() { m_pFileDialog->selectFile(toQString(name)); });
+}
+
+void SAL_CALL Qt5FilePicker::setDisplayDirectory(const OUString& dir)
+{
+    SolarMutexGuard g;
+    auto* pSalInst(static_cast<Qt5Instance*>(GetSalData()->m_pInstance));
+    assert(pSalInst);
+    pSalInst->RunInMainThread([this, &dir]() {
+        QString qDir(toQString(dir));
+        m_pFileDialog->setDirectoryUrl(QUrl(qDir));
+    });
+}
+
+OUString SAL_CALL Qt5FilePicker::getDisplayDirectory()
+{
+    SolarMutexGuard g;
+    OUString ret;
+    auto* pSalInst(static_cast<Qt5Instance*>(GetSalData()->m_pInstance));
+    assert(pSalInst);
+    pSalInst->RunInMainThread(
+        [&ret, this]() { ret = toOUString(m_pFileDialog->directoryUrl().toString()); });
+    return ret;
+}
+
+uno::Sequence<OUString> SAL_CALL Qt5FilePicker::getFiles()
+{
+    uno::Sequence<OUString> seq = getSelectedFiles();
+    if (seq.getLength() > 1)
+        seq.realloc(1);
+    return seq;
+}
+
+uno::Sequence<OUString> SAL_CALL Qt5FilePicker::getSelectedFiles()
+{
+    SolarMutexGuard g;
+    QList<QUrl> urls;
+    auto* pSalInst(static_cast<Qt5Instance*>(GetSalData()->m_pInstance));
+    assert(pSalInst);
+    pSalInst->RunInMainThread([&urls, this]() { urls = m_pFileDialog->selectedUrls(); });
+
+    uno::Sequence<OUString> seq(urls.size());
+
+    auto const trans = css::uri::ExternalUriReferenceTranslator::create(m_context);
+    size_t i = 0;
+    for (const QUrl& aURL : urls)
+    {
+        // Unlike LO, QFileDialog (<https://doc.qt.io/qt-5/qfiledialog.html>) apparently always
+        // treats file-system pathnames as UTF-8--encoded, regardless of LANG/LC_CTYPE locale
+        // setting.  And pathnames containing byte sequences that are not valid UTF-8 are apparently
+        // filtered out and not even displayed by QFileDialog, so aURL will always have a "payload"
+        // that matches the pathname's byte sequence.  So the pathname's byte sequence (which
+        // happens to also be aURL's payload) in the LANG/LC_CTYPE encoding needs to be converted
+        // into LO's internal UTF-8 file URL encoding via
+        // XExternalUriReferenceTranslator::translateToInternal (which looks somewhat paradoxical as
+        // aURL.toEncoded() nominally already has a UTF-8 payload):
+        auto const extUrl = toOUString(aURL.toEncoded());
+        auto intUrl = trans->translateToInternal(extUrl);
+        if (intUrl.isEmpty())
+        {
+            // If translation failed, fall back to original URL:
+            SAL_WARN("vcl.qt5", "cannot convert <" << extUrl << "> from locale encoding to UTF-8");
+            intUrl = extUrl;
+        }
+        seq[i++] = intUrl;
+    }
+
+    return seq;
+}
+
+void SAL_CALL Qt5FilePicker::appendFilter(const OUString& title, const OUString& filter)
+{
+    SolarMutexGuard g;
+    auto* pSalInst(static_cast<Qt5Instance*>(GetSalData()->m_pInstance));
+    assert(pSalInst);
+    if (!pSalInst->IsMainThread())
+    {
+        pSalInst->RunInMainThread([this, &title, &filter]() { appendFilter(title, filter); });
+        return;
+    }
+
+    // '/' need to be escaped else they are assumed to be mime types
+    QString sTitle = toQString(title).replace("/", "\\/");
+
+    QString sFilterName = sTitle;
+    // the Qt5 non-native file picker adds the extensions to the filter title, so strip them
+    if (m_pFileDialog->testOption(QFileDialog::DontUseNativeDialog))
+    {
+        int pos = sFilterName.indexOf(" (");
+        if (pos >= 0)
+            sFilterName.truncate(pos);
+    }
+
+    QString sGlobFilter = toQString(filter);
+
+    // LibreOffice gives us filters separated by ';' qt dialogs just want space separated
+    sGlobFilter.replace(";", " ");
+
+    // make sure "*.*" is not used as "all files"
+    sGlobFilter.replace("*.*", "*");
+
+    m_aNamedFilterList << QStringLiteral("%1 (%2)").arg(sFilterName, sGlobFilter);
+    m_aTitleToFilterMap[sTitle] = m_aNamedFilterList.constLast();
+    m_aNamedFilterToExtensionMap[m_aNamedFilterList.constLast()] = sGlobFilter;
+}
+
+void SAL_CALL Qt5FilePicker::setCurrentFilter(const OUString& title)
+{
+    SolarMutexGuard g;
+    auto* pSalInst(static_cast<Qt5Instance*>(GetSalData()->m_pInstance));
+    assert(pSalInst);
+    pSalInst->RunInMainThread([this, &title]() {
+        m_aCurrentFilter = m_aTitleToFilterMap.value(toQString(title).replace("/", "\\/"));
+    });
+}
+
+OUString SAL_CALL Qt5FilePicker::getCurrentFilter()
+{
+    SolarMutexGuard g;
+    QString filter;
+    auto* pSalInst(static_cast<Qt5Instance*>(GetSalData()->m_pInstance));
+    assert(pSalInst);
+    pSalInst->RunInMainThread([&filter, this]() {
+        filter = m_aTitleToFilterMap.key(m_pFileDialog->selectedNameFilter());
+    });
+
+    if (filter.isEmpty())
+        filter = "ODF Text Document (.odt)";
+    return toOUString(filter);
+}
+
+void SAL_CALL Qt5FilePicker::appendFilterGroup(const OUString& rGroupTitle,
+                                               const uno::Sequence<beans::StringPair>& filters)
+{
+    SolarMutexGuard g;
+    auto* pSalInst(static_cast<Qt5Instance*>(GetSalData()->m_pInstance));
+    assert(pSalInst);
+    if (!pSalInst->IsMainThread())
+    {
+        pSalInst->RunInMainThread(
+            [this, &rGroupTitle, &filters]() { appendFilterGroup(rGroupTitle, filters); });
+        return;
+    }
+
+    const sal_uInt16 length = filters.getLength();
+    for (sal_uInt16 i = 0; i < length; ++i)
+    {
+        beans::StringPair aPair = filters[i];
+        appendFilter(aPair.First, aPair.Second);
+    }
+}
+
+uno::Any Qt5FilePicker::handleGetListValue(const QComboBox* pWidget, sal_Int16 nControlAction)
+{
+    uno::Any aAny;
+    switch (nControlAction)
+    {
+        case ControlActions::GET_ITEMS:
+        {
+            Sequence<OUString> aItemList(pWidget->count());
+            for (sal_Int32 i = 0; i < pWidget->count(); ++i)
+                aItemList[i] = toOUString(pWidget->itemText(i));
+            aAny <<= aItemList;
+            break;
+        }
+        case ControlActions::GET_SELECTED_ITEM:
+        {
+            if (!pWidget->currentText().isEmpty())
+                aAny <<= toOUString(pWidget->currentText());
+            break;
+        }
+        case ControlActions::GET_SELECTED_ITEM_INDEX:
+        {
+            if (pWidget->currentIndex() >= 0)
+                aAny <<= static_cast<sal_Int32>(pWidget->currentIndex());
+            break;
+        }
+        default:
+            SAL_WARN("vcl.qt5",
+                     "undocumented/unimplemented ControlAction for a list " << nControlAction);
+            break;
+    }
+    return aAny;
+}
+
+void Qt5FilePicker::handleSetListValue(QComboBox* pWidget, sal_Int16 nControlAction,
+                                       const uno::Any& rValue)
+{
+    switch (nControlAction)
+    {
+        case ControlActions::ADD_ITEM:
+        {
+            OUString sItem;
+            rValue >>= sItem;
+            pWidget->addItem(toQString(sItem));
+            break;
+        }
+        case ControlActions::ADD_ITEMS:
+        {
+            Sequence<OUString> aStringList;
+            rValue >>= aStringList;
+            for (auto const& sItem : std::as_const(aStringList))
+                pWidget->addItem(toQString(sItem));
+            break;
+        }
+        case ControlActions::DELETE_ITEM:
+        {
+            sal_Int32 nPos = 0;
+            rValue >>= nPos;
+            pWidget->removeItem(nPos);
+            break;
+        }
+        case ControlActions::DELETE_ITEMS:
+        {
+            pWidget->clear();
+            break;
+        }
+        case ControlActions::SET_SELECT_ITEM:
+        {
+            sal_Int32 nPos = 0;
+            rValue >>= nPos;
+            pWidget->setCurrentIndex(nPos);
+            break;
+        }
+        default:
+            SAL_WARN("vcl.qt5",
+                     "undocumented/unimplemented ControlAction for a list " << nControlAction);
+            break;
+    }
+
+    pWidget->setEnabled(pWidget->count() > 0);
+}
+
+void SAL_CALL Qt5FilePicker::setValue(sal_Int16 controlId, sal_Int16 nControlAction,
+                                      const uno::Any& value)
+{
+    SolarMutexGuard g;
+    auto* pSalInst(static_cast<Qt5Instance*>(GetSalData()->m_pInstance));
+    assert(pSalInst);
+    if (!pSalInst->IsMainThread())
+    {
+        pSalInst->RunInMainThread([this, controlId, nControlAction, &value]() {
+            setValue(controlId, nControlAction, value);
+        });
+        return;
+    }
+
+    if (m_aCustomWidgetsMap.contains(controlId))
+    {
+        QWidget* widget = m_aCustomWidgetsMap.value(controlId);
+        QCheckBox* cb = dynamic_cast<QCheckBox*>(widget);
+        if (cb)
+            cb->setChecked(value.get<bool>());
+        else
+        {
+            QComboBox* combo = dynamic_cast<QComboBox*>(widget);
+            if (combo)
+                handleSetListValue(combo, nControlAction, value);
+        }
+    }
+    else
+        SAL_WARN("vcl.qt5", "set value on unknown control " << controlId);
+}
+
+uno::Any SAL_CALL Qt5FilePicker::getValue(sal_Int16 controlId, sal_Int16 nControlAction)
+{
+    SolarMutexGuard g;
+    auto* pSalInst(static_cast<Qt5Instance*>(GetSalData()->m_pInstance));
+    assert(pSalInst);
+    if (!pSalInst->IsMainThread())
+    {
+        uno::Any ret;
+        pSalInst->RunInMainThread([&ret, this, controlId, nControlAction]() {
+            ret = getValue(controlId, nControlAction);
+        });
+        return ret;
+    }
+
+    uno::Any res(false);
+    if (m_aCustomWidgetsMap.contains(controlId))
+    {
+        QWidget* widget = m_aCustomWidgetsMap.value(controlId);
+        QCheckBox* cb = dynamic_cast<QCheckBox*>(widget);
+        if (cb)
+            res <<= cb->isChecked();
+        else
+        {
+            QComboBox* combo = dynamic_cast<QComboBox*>(widget);
+            if (combo)
+                res = handleGetListValue(combo, nControlAction);
+        }
+    }
+    else
+        SAL_WARN("vcl.qt5", "get value on unknown control " << controlId);
+
+    return res;
+}
+
+void SAL_CALL Qt5FilePicker::enableControl(sal_Int16 controlId, sal_Bool enable)
+{
+    SolarMutexGuard g;
+    auto* pSalInst(static_cast<Qt5Instance*>(GetSalData()->m_pInstance));
+    assert(pSalInst);
+    pSalInst->RunInMainThread([this, controlId, enable]() {
+        if (m_aCustomWidgetsMap.contains(controlId))
+            m_aCustomWidgetsMap.value(controlId)->setEnabled(enable);
+        else
+            SAL_WARN("vcl.qt5", "enable unknown control " << controlId);
+    });
+}
+
+void SAL_CALL Qt5FilePicker::setLabel(sal_Int16 controlId, const OUString& label)
+{
+    SolarMutexGuard g;
+    auto* pSalInst(static_cast<Qt5Instance*>(GetSalData()->m_pInstance));
+    assert(pSalInst);
+    if (!pSalInst->IsMainThread())
+    {
+        pSalInst->RunInMainThread([this, controlId, label]() { setLabel(controlId, label); });
+        return;
+    }
+
+    if (m_aCustomWidgetsMap.contains(controlId))
+    {
+        QCheckBox* cb = dynamic_cast<QCheckBox*>(m_aCustomWidgetsMap.value(controlId));
+        if (cb)
+            cb->setText(toQString(label));
+    }
+    else
+        SAL_WARN("vcl.qt5", "set label on unknown control " << controlId);
+}
+
+OUString SAL_CALL Qt5FilePicker::getLabel(sal_Int16 controlId)
+{
+    SolarMutexGuard g;
+    auto* pSalInst(static_cast<Qt5Instance*>(GetSalData()->m_pInstance));
+    assert(pSalInst);
+    if (!pSalInst->IsMainThread())
+    {
+        OUString ret;
+        pSalInst->RunInMainThread([&ret, this, controlId]() { ret = getLabel(controlId); });
+        return ret;
+    }
+
+    QString label;
+    if (m_aCustomWidgetsMap.contains(controlId))
+    {
+        QCheckBox* cb = dynamic_cast<QCheckBox*>(m_aCustomWidgetsMap.value(controlId));
+        if (cb)
+            label = cb->text();
+    }
+    else
+        SAL_WARN("vcl.qt5", "get label on unknown control " << controlId);
+
+    return toOUString(label);
+}
+
+QString Qt5FilePicker::getResString(const char* pResId)
+{
+    QString aResString;
+
+    if (pResId == nullptr)
+        return aResString;
+
+    aResString = toQString(VclResId(pResId));
+
+    return aResString.replace('~', '&');
+}
+
+void Qt5FilePicker::addCustomControl(sal_Int16 controlId)
+{
+    QWidget* widget = nullptr;
+    QLabel* label = nullptr;
+    const char* resId = nullptr;
+    QCheckBox* pCheckbox = nullptr;
+
+    switch (controlId)
+    {
+        case CHECKBOX_AUTOEXTENSION:
+            resId = STR_FPICKER_AUTO_EXTENSION;
+            break;
+        case CHECKBOX_PASSWORD:
+            resId = STR_FPICKER_PASSWORD;
+            break;
+        case CHECKBOX_FILTEROPTIONS:
+            resId = STR_FPICKER_FILTER_OPTIONS;
+            break;
+        case CHECKBOX_READONLY:
+            resId = STR_FPICKER_READONLY;
+            break;
+        case CHECKBOX_LINK:
+            resId = STR_FPICKER_INSERT_AS_LINK;
+            break;
+        case CHECKBOX_PREVIEW:
+            resId = STR_FPICKER_SHOW_PREVIEW;
+            break;
+        case CHECKBOX_SELECTION:
+            resId = STR_FPICKER_SELECTION;
+            break;
+        case CHECKBOX_GPGENCRYPTION:
+            resId = STR_FPICKER_GPGENCRYPT;
+            break;
+        case PUSHBUTTON_PLAY:
+            resId = STR_FPICKER_PLAY;
+            break;
+        case LISTBOX_VERSION:
+            resId = STR_FPICKER_VERSION;
+            break;
+        case LISTBOX_TEMPLATE:
+            resId = STR_FPICKER_TEMPLATES;
+            break;
+        case LISTBOX_IMAGE_TEMPLATE:
+            resId = STR_FPICKER_IMAGE_TEMPLATE;
+            break;
+        case LISTBOX_IMAGE_ANCHOR:
+            resId = STR_FPICKER_IMAGE_ANCHOR;
+            break;
+        case LISTBOX_VERSION_LABEL:
+        case LISTBOX_TEMPLATE_LABEL:
+        case LISTBOX_IMAGE_TEMPLATE_LABEL:
+        case LISTBOX_IMAGE_ANCHOR_LABEL:
+        case LISTBOX_FILTER_SELECTOR:
+            break;
+    }
+
+    switch (controlId)
+    {
+        case CHECKBOX_AUTOEXTENSION:
+            pCheckbox = new QCheckBox(getResString(resId), m_pExtraControls);
+            // to add/remove automatic file extension based on checkbox
+            connect(pCheckbox, SIGNAL(stateChanged(int)), this,
+                    SLOT(updateAutomaticFileExtension()));
+            widget = pCheckbox;
+            break;
+        case CHECKBOX_PASSWORD:
+        case CHECKBOX_FILTEROPTIONS:
+        case CHECKBOX_READONLY:
+        case CHECKBOX_LINK:
+        case CHECKBOX_PREVIEW:
+        case CHECKBOX_SELECTION:
+        case CHECKBOX_GPGENCRYPTION:
+            widget = new QCheckBox(getResString(resId), m_pExtraControls);
+            break;
+        case PUSHBUTTON_PLAY:
+            break;
+        case LISTBOX_VERSION:
+        case LISTBOX_TEMPLATE:
+        case LISTBOX_IMAGE_ANCHOR:
+        case LISTBOX_IMAGE_TEMPLATE:
+        case LISTBOX_FILTER_SELECTOR:
+            label = new QLabel(getResString(resId), m_pExtraControls);
+            widget = new QComboBox(m_pExtraControls);
+            label->setBuddy(widget);
+            break;
+        case LISTBOX_VERSION_LABEL:
+        case LISTBOX_TEMPLATE_LABEL:
+        case LISTBOX_IMAGE_TEMPLATE_LABEL:
+        case LISTBOX_IMAGE_ANCHOR_LABEL:
+            break;
+    }
+
+    if (widget)
+    {
+        const int row = m_pLayout->rowCount();
+        if (label)
+            m_pLayout->addWidget(label, row, 0);
+        m_pLayout->addWidget(widget, row, 1);
+        m_aCustomWidgetsMap.insert(controlId, widget);
+    }
+}
+
+void SAL_CALL Qt5FilePicker::initialize(const uno::Sequence<uno::Any>& args)
+{
+    // parameter checking
+    uno::Any arg;
+    if (args.getLength() == 0)
+        throw lang::IllegalArgumentException("no arguments", static_cast<XFilePicker2*>(this), 1);
+
+    arg = args[0];
+
+    if ((arg.getValueType() != cppu::UnoType<sal_Int16>::get())
+        && (arg.getValueType() != cppu::UnoType<sal_Int8>::get()))
+    {
+        throw lang::IllegalArgumentException("invalid argument type",
+                                             static_cast<XFilePicker2*>(this), 1);
+    }
+
+    SolarMutexGuard g;
+    auto* pSalInst(static_cast<Qt5Instance*>(GetSalData()->m_pInstance));
+    assert(pSalInst);
+    if (!pSalInst->IsMainThread())
+    {
+        pSalInst->RunInMainThread([this, args]() { initialize(args); });
+        return;
+    }
+
+    m_aNamedFilterToExtensionMap.clear();
+    m_aNamedFilterList.clear();
+    m_aTitleToFilterMap.clear();
+    m_aCurrentFilter.clear();
+
+    sal_Int16 templateId = -1;
+    arg >>= templateId;
+
+    QFileDialog::AcceptMode acceptMode = QFileDialog::AcceptOpen;
+    switch (templateId)
+    {
+        case FILEOPEN_SIMPLE:
+            break;
+
+        case FILESAVE_SIMPLE:
+            acceptMode = QFileDialog::AcceptSave;
+            break;
+
+        case FILESAVE_AUTOEXTENSION:
+            acceptMode = QFileDialog::AcceptSave;
+            addCustomControl(CHECKBOX_AUTOEXTENSION);
+            break;
+
+        case FILESAVE_AUTOEXTENSION_PASSWORD:
+            acceptMode = QFileDialog::AcceptSave;
+            addCustomControl(CHECKBOX_AUTOEXTENSION);
+            addCustomControl(CHECKBOX_PASSWORD);
+            addCustomControl(CHECKBOX_GPGENCRYPTION);
+            break;
+
+        case FILESAVE_AUTOEXTENSION_PASSWORD_FILTEROPTIONS:
+            acceptMode = QFileDialog::AcceptSave;
+            addCustomControl(CHECKBOX_AUTOEXTENSION);
+            addCustomControl(CHECKBOX_PASSWORD);
+            addCustomControl(CHECKBOX_GPGENCRYPTION);
+            addCustomControl(CHECKBOX_FILTEROPTIONS);
+            break;
+
+        case FILESAVE_AUTOEXTENSION_SELECTION:
+            acceptMode = QFileDialog::AcceptSave;
+            addCustomControl(CHECKBOX_AUTOEXTENSION);
+            addCustomControl(CHECKBOX_SELECTION);
+            break;
+
+        case FILESAVE_AUTOEXTENSION_TEMPLATE:
+            acceptMode = QFileDialog::AcceptSave;
+            addCustomControl(CHECKBOX_AUTOEXTENSION);
+            addCustomControl(LISTBOX_TEMPLATE);
+            break;
+
+        case FILEOPEN_LINK_PREVIEW_IMAGE_TEMPLATE:
+            addCustomControl(CHECKBOX_LINK);
+            addCustomControl(CHECKBOX_PREVIEW);
+            addCustomControl(LISTBOX_IMAGE_TEMPLATE);
+            break;
+
+        case FILEOPEN_LINK_PREVIEW_IMAGE_ANCHOR:
+            addCustomControl(CHECKBOX_LINK);
+            addCustomControl(CHECKBOX_PREVIEW);
+            addCustomControl(LISTBOX_IMAGE_ANCHOR);
+            break;
+
+        case FILEOPEN_PLAY:
+            addCustomControl(PUSHBUTTON_PLAY);
+            break;
+
+        case FILEOPEN_LINK_PLAY:
+            addCustomControl(CHECKBOX_LINK);
+            addCustomControl(PUSHBUTTON_PLAY);
+            break;
+
+        case FILEOPEN_READONLY_VERSION:
+            addCustomControl(CHECKBOX_READONLY);
+            addCustomControl(LISTBOX_VERSION);
+            break;
+
+        case FILEOPEN_LINK_PREVIEW:
+            addCustomControl(CHECKBOX_LINK);
+            addCustomControl(CHECKBOX_PREVIEW);
+            break;
+
+        case FILEOPEN_PREVIEW:
+            addCustomControl(CHECKBOX_PREVIEW);
+            break;
+
+        default:
+            throw lang::IllegalArgumentException("Unknown template",
+                                                 static_cast<XFilePicker2*>(this), 1);
+    }
+
+    const char* resId = nullptr;
+    switch (acceptMode)
+    {
+        case QFileDialog::AcceptOpen:
+            resId = STR_FPICKER_OPEN;
+            break;
+        case QFileDialog::AcceptSave:
+            resId = STR_FPICKER_SAVE;
+            m_pFileDialog->setFileMode(QFileDialog::AnyFile);
+            break;
+    }
+
+    m_pFileDialog->setAcceptMode(acceptMode);
+    m_pFileDialog->setWindowTitle(getResString(resId));
+
+    css::uno::Reference<css::awt::XWindow> xParentWindow;
+    if (args.getLength() > 1)
+        args[1] >>= xParentWindow;
+    if (xParentWindow.is())
+    {
+        css::uno::Reference<css::awt::XSystemDependentWindowPeer> xSysWinPeer(xParentWindow,
+                                                                              css::uno::UNO_QUERY);
+        if (xSysWinPeer.is())
+        {
+            // the sal_*Int8 handling is strange, but it's public API - no way around
+            css::uno::Sequence<sal_Int8> aProcessIdent(16);
+            rtl_getGlobalProcessId(reinterpret_cast<sal_uInt8*>(aProcessIdent.getArray()));
+            uno::Any aAny = xSysWinPeer->getWindowHandle(
+                aProcessIdent, css::lang::SystemDependent::SYSTEM_XWINDOW);
+            css::awt::SystemDependentXWindow xSysWin;
+            aAny >>= xSysWin;
+
+            const auto& pFrames = pSalInst->getFrames();
+            const long aWindowHandle = xSysWin.WindowHandle;
+            const auto it = std::find_if(pFrames.begin(), pFrames.end(),
+                                         [&aWindowHandle](auto pFrame) -> bool {
+                                             const SystemEnvData* pData = pFrame->GetSystemData();
+                                             return pData && long(pData->aWindow) == aWindowHandle;
+                                         });
+            if (it != pFrames.end())
+                m_pParentWidget = static_cast<Qt5Frame*>(*it)->asChild();
+        }
+    }
+}
+
+void SAL_CALL Qt5FilePicker::cancel() { m_pFileDialog->reject(); }
+
+void SAL_CALL Qt5FilePicker::disposing(const lang::EventObject& rEvent)
+{
+    uno::Reference<XFilePickerListener> xFilePickerListener(rEvent.Source, uno::UNO_QUERY);
+
+    if (xFilePickerListener.is())
+    {
+        removeFilePickerListener(xFilePickerListener);
+    }
+}
+
+void SAL_CALL Qt5FilePicker::queryTermination(const css::lang::EventObject&)
+{
+    throw css::frame::TerminationVetoException();
+}
+
+void SAL_CALL Qt5FilePicker::notifyTermination(const css::lang::EventObject&)
+{
+    SolarMutexGuard aGuard;
+    m_pFileDialog->reject();
+}
+
+OUString SAL_CALL Qt5FilePicker::getImplementationName()
+{
+    return "com.sun.star.ui.dialogs.Qt5FilePicker";
+}
+
+sal_Bool SAL_CALL Qt5FilePicker::supportsService(const OUString& ServiceName)
+{
+    return cppu::supportsService(this, ServiceName);
+}
+
+uno::Sequence<OUString> SAL_CALL Qt5FilePicker::getSupportedServiceNames()
+{
+    return FilePicker_getSupportedServiceNames();
+}
+
+void Qt5FilePicker::updateAutomaticFileExtension()
+{
+    bool bSetAutoExtension
+        = getValue(CHECKBOX_AUTOEXTENSION, ControlActions::GET_SELECTED_ITEM).get<bool>();
+    if (bSetAutoExtension)
+    {
+        QString sSuffix = m_aNamedFilterToExtensionMap.value(m_pFileDialog->selectedNameFilter());
+        // string is "*.<SUFFIX>" if a specific filter was selected that has exactly one possible file extension
+        if (sSuffix.lastIndexOf("*.") == 0)
+        {
+            sSuffix = sSuffix.remove("*.");
+            m_pFileDialog->setDefaultSuffix(sSuffix);
+        }
+        else
+        {
+            // fall back to setting none otherwise
+            SAL_INFO(
+                "vcl.qt5",
+                "Unable to retrieve unambiguous file extension. Will not add any automatically.");
+            bSetAutoExtension = false;
+        }
+    }
+
+    if (!bSetAutoExtension)
+        m_pFileDialog->setDefaultSuffix("");
+}
+
+void Qt5FilePicker::filterSelected(const QString&)
+{
+    FilePickerEvent aEvent;
+    aEvent.ElementId = LISTBOX_FILTER;
+    SAL_INFO("vcl.qt5", "filter changed");
+    if (m_xListener.is())
+        m_xListener->controlStateChanged(aEvent);
+}
+
+void Qt5FilePicker::currentChanged(const QString&)
+{
+    FilePickerEvent aEvent;
+    SAL_INFO("vcl.qt5", "file selection changed");
+    if (m_xListener.is())
+        m_xListener->fileSelectionChanged(aEvent);
+}
+
+OUString Qt5FilePicker::getDirectory()
+{
+    uno::Sequence<OUString> seq = getSelectedFiles();
+    if (seq.getLength() > 1)
+        seq.realloc(1);
+    return seq[0];
+}
+
+void Qt5FilePicker::setDescription(const OUString&) {}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */