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

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

6 files changed, 611 insertions, 0 deletions

diff --git a/vcl/unx/kf5/KF5FilePicker.cxx b/vcl/unx/kf5/KF5FilePicker.cxx
new file mode 100644
index 000000000..20e64007b
--- /dev/null
+++ b/vcl/unx/kf5/KF5FilePicker.cxx
@@ -0,0 +1,180 @@
+/* -*- 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 "KF5FilePicker.hxx"
+#include <KF5FilePicker.moc>
+
+#include <com/sun/star/ui/dialogs/ExtendedFilePickerElementIds.hpp>
+#include <cppuhelper/supportsservice.hxx>
+#include <osl/mutex.hxx>
+
+#include <qt5/Qt5Instance.hxx>
+
+#include <QtWidgets/QApplication>
+#include <QtWidgets/QGridLayout>
+#include <QtWidgets/QWidget>
+#include <KFileWidget>
+
+using namespace ::com::sun::star;
+using ::com::sun::star::ui::dialogs::ExtendedFilePickerElementIds::CHECKBOX_AUTOEXTENSION;
+
+namespace
+{
+uno::Sequence<OUString> FilePicker_getSupportedServiceNames()
+{
+    return { "com.sun.star.ui.dialogs.FilePicker", "com.sun.star.ui.dialogs.SystemFilePicker",
+             "com.sun.star.ui.dialogs.KF5FilePicker", "com.sun.star.ui.dialogs.KF5FolderPicker" };
+}
+}
+
+// KF5FilePicker
+
+KF5FilePicker::KF5FilePicker(css::uno::Reference<css::uno::XComponentContext> const& context,
+                             QFileDialog::FileMode eMode)
+    // Native kf5 filepicker does not add file extension automatically
+    : Qt5FilePicker(context, eMode, true)
+    , _layout(new QGridLayout(m_pExtraControls))
+{
+    // only columns 0 and 1 are used by controls (s. Qt5FilePicker::addCustomControl);
+    // set stretch for (unused) column 2 in order for the controls to only take the space
+    // they actually need and avoid empty space in between
+    _layout->setColumnStretch(2, 1);
+
+    // set layout so custom widgets show up in our native file dialog
+    setCustomControlWidgetLayout(_layout.get());
+
+    m_pFileDialog->setSupportedSchemes({
+        QStringLiteral("file"), QStringLiteral("ftp"), QStringLiteral("http"),
+        QStringLiteral("https"), QStringLiteral("webdav"), QStringLiteral("webdavs"),
+        QStringLiteral("smb"),
+        QStringLiteral(""), // this makes removable devices shown
+    });
+
+    // used to set the custom controls
+    qApp->installEventFilter(this);
+}
+
+// XFilePickerControlAccess
+void SAL_CALL KF5FilePicker::setValue(sal_Int16 controlId, sal_Int16 nControlAction,
+                                      const uno::Any& value)
+{
+    if (CHECKBOX_AUTOEXTENSION == controlId)
+        // We ignore this one and rely on QFileDialog to provide the functionality
+        return;
+
+    Qt5FilePicker::setValue(controlId, nControlAction, value);
+}
+
+uno::Any SAL_CALL KF5FilePicker::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;
+    }
+
+    if (CHECKBOX_AUTOEXTENSION == controlId)
+        // We ignore this one and rely on QFileDialog to provide the function.
+        // Always return false, to pretend we do not support this, otherwise
+        // LO core would try to be smart and cut the extension in some places,
+        // interfering with QFileDialog's handling of it. QFileDialog also
+        // saves the value of the setting, so LO core is not needed for that either.
+        return uno::Any(false);
+
+    return Qt5FilePicker::getValue(controlId, nControlAction);
+}
+
+void SAL_CALL KF5FilePicker::enableControl(sal_Int16 controlId, sal_Bool enable)
+{
+    if (CHECKBOX_AUTOEXTENSION == controlId)
+        // We ignore this one and rely on QFileDialog to provide the functionality
+        return;
+
+    Qt5FilePicker::enableControl(controlId, enable);
+}
+
+void SAL_CALL KF5FilePicker::setLabel(sal_Int16 controlId, const OUString& label)
+{
+    if (CHECKBOX_AUTOEXTENSION == controlId)
+        // We ignore this one and rely on QFileDialog to provide the functionality
+        return;
+
+    Qt5FilePicker::setLabel(controlId, label);
+}
+
+OUString SAL_CALL KF5FilePicker::getLabel(sal_Int16 controlId)
+{
+    // We ignore this one and rely on QFileDialog to provide the functionality
+    if (CHECKBOX_AUTOEXTENSION == controlId)
+        return "";
+
+    return Qt5FilePicker::getLabel(controlId);
+}
+
+void KF5FilePicker::addCustomControl(sal_Int16 controlId)
+{
+    // native kf5 filepicker has its own autoextension checkbox,
+    // therefore avoid adding yet another one
+    if (controlId == CHECKBOX_AUTOEXTENSION)
+        return;
+
+    Qt5FilePicker::addCustomControl(controlId);
+}
+
+// XServiceInfo
+OUString SAL_CALL KF5FilePicker::getImplementationName()
+{
+    return "com.sun.star.ui.dialogs.KF5FilePicker";
+}
+
+sal_Bool SAL_CALL KF5FilePicker::supportsService(const OUString& ServiceName)
+{
+    return cppu::supportsService(this, ServiceName);
+}
+
+uno::Sequence<OUString> SAL_CALL KF5FilePicker::getSupportedServiceNames()
+{
+    return FilePicker_getSupportedServiceNames();
+}
+
+bool KF5FilePicker::eventFilter(QObject* o, QEvent* e)
+{
+    if (e->type() == QEvent::Show && o->isWidgetType())
+    {
+        auto* w = static_cast<QWidget*>(o);
+        if (!w->parentWidget() && w->isModal())
+        {
+            if (auto* fileWidget = w->findChild<KFileWidget*>({}, Qt::FindDirectChildrenOnly))
+            {
+                fileWidget->setCustomWidget(m_pExtraControls);
+                // remove event filter again; the only purpose was to set the custom widget here
+                qApp->removeEventFilter(this);
+            }
+        }
+    }
+    return QObject::eventFilter(o, e);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/unx/kf5/KF5FilePicker.hxx b/vcl/unx/kf5/KF5FilePicker.hxx
new file mode 100644
index 000000000..4cf84c7fe
--- /dev/null
+++ b/vcl/unx/kf5/KF5FilePicker.hxx
@@ -0,0 +1,63 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <Qt5FilePicker.hxx>
+#include <memory>
+
+class QGridLayout;
+
+class KF5FilePicker final : public Qt5FilePicker
+{
+    Q_OBJECT
+
+private:
+    //layout for extra custom controls
+    std::unique_ptr<QGridLayout> _layout;
+
+public:
+    explicit KF5FilePicker(css::uno::Reference<css::uno::XComponentContext> const& context,
+                           QFileDialog::FileMode);
+
+    // XFilePickerControlAccess functions
+    virtual void SAL_CALL setValue(sal_Int16 nControlId, sal_Int16 nControlAction,
+                                   const css::uno::Any& rValue) override;
+    virtual css::uno::Any SAL_CALL getValue(sal_Int16 nControlId,
+                                            sal_Int16 nControlAction) override;
+    virtual void SAL_CALL enableControl(sal_Int16 nControlId, sal_Bool bEnable) override;
+    virtual void SAL_CALL setLabel(sal_Int16 nControlId, const OUString& rLabel) override;
+    virtual OUString SAL_CALL getLabel(sal_Int16 nControlId) override;
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName() override;
+    virtual sal_Bool SAL_CALL supportsService(const OUString& rServiceName) override;
+    virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
+
+private:
+    //add a custom control widget to the file dialog
+    void addCustomControl(sal_Int16 controlId) override;
+    bool eventFilter(QObject* watched, QEvent* event) override;
+
+private Q_SLOTS:
+    // the KF5 file picker has its own automatic extension handling
+    void updateAutomaticFileExtension() override {}
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/unx/kf5/KF5SalFrame.cxx b/vcl/unx/kf5/KF5SalFrame.cxx
new file mode 100644
index 000000000..1aa0b9008
--- /dev/null
+++ b/vcl/unx/kf5/KF5SalFrame.cxx
@@ -0,0 +1,188 @@
+/* -*- 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 <memory>
+#include <QtGui/QColor>
+#include <QtWidgets/QStyle>
+#include <QtWidgets/QToolTip>
+#include <QtWidgets/QApplication>
+#include <QtWidgets/QMenuBar>
+
+#include <KConfig>
+#include <KConfigGroup>
+#include <KSharedConfig>
+
+#include <Qt5FontFace.hxx>
+#include "KF5SalFrame.hxx"
+
+#include <tools/color.hxx>
+
+#include <vcl/font.hxx>
+#include <vcl/settings.hxx>
+#include <sal/log.hxx>
+
+#include <unx/fontmanager.hxx>
+
+#include <svdata.hxx>
+
+#include <optional>
+
+KF5SalFrame::KF5SalFrame(KF5SalFrame* pParent, SalFrameStyleFlags nState, bool bUseCairo)
+    : Qt5Frame(pParent, nState, bUseCairo)
+    , m_bGraphicsInUse(false)
+{
+}
+
+/** Helper function to add information to Font from QFont.
+
+    Mostly grabbed from the Gtk+ vclplug (salnativewidgets-gtk.cxx).
+*/
+static vcl::Font toFont(const QFont& rQFont, const css::lang::Locale& rLocale)
+{
+    psp::FastPrintFontInfo aInfo;
+    QFontInfo qFontInfo(rQFont);
+
+    // set family name
+    aInfo.m_aFamilyName = OUString(static_cast<const char*>(rQFont.family().toUtf8()),
+                                   strlen(static_cast<const char*>(rQFont.family().toUtf8())),
+                                   RTL_TEXTENCODING_UTF8);
+
+    aInfo.m_eItalic = Qt5FontFace::toFontItalic(qFontInfo.style());
+    aInfo.m_eWeight = Qt5FontFace::toFontWeight(qFontInfo.weight());
+    aInfo.m_eWidth = Qt5FontFace::toFontWidth(rQFont.stretch());
+
+    SAL_INFO("vcl.kf5", "font name BEFORE system match: \"" << aInfo.m_aFamilyName << "\"");
+
+    // match font to e.g. resolve "Sans"
+    psp::PrintFontManager::get().matchFont(aInfo, rLocale);
+
+    SAL_INFO("vcl.kf5", "font match " << (aInfo.m_nID != 0 ? "succeeded" : "failed")
+                                      << ", name AFTER: \"" << aInfo.m_aFamilyName << "\"");
+
+    // font height
+    int nPointHeight = qFontInfo.pointSize();
+    if (nPointHeight <= 0)
+        nPointHeight = rQFont.pointSize();
+
+    // Create the font
+    vcl::Font aFont(aInfo.m_aFamilyName, Size(0, nPointHeight));
+    if (aInfo.m_eWeight != WEIGHT_DONTKNOW)
+        aFont.SetWeight(aInfo.m_eWeight);
+    if (aInfo.m_eWidth != WIDTH_DONTKNOW)
+        aFont.SetWidthType(aInfo.m_eWidth);
+    if (aInfo.m_eItalic != ITALIC_DONTKNOW)
+        aFont.SetItalic(aInfo.m_eItalic);
+    if (aInfo.m_ePitch != PITCH_DONTKNOW)
+        aFont.SetPitch(aInfo.m_ePitch);
+
+    return aFont;
+}
+
+/** Implementation of KDE integration's main method.
+*/
+void KF5SalFrame::UpdateSettings(AllSettings& rSettings)
+{
+    Qt5Frame::UpdateSettings(rSettings);
+
+    StyleSettings style(rSettings.GetStyleSettings());
+    bool bSetTitleFont = false;
+
+    // WM settings
+    /*KConfig *pConfig = KGlobal::config().data();
+    if ( pConfig )
+    {
+        const char *pKey;
+
+        {
+            KConfigGroup aWMGroup = pConfig->group( "WM" );
+
+            pKey = "titleFont";
+            if (aWMGroup.hasKey(pKey))
+            {
+                vcl::Font aFont = toFont(aWMGroup.readEntry(pKey, QFont()),
+                                         rSettings.GetUILanguageTag().getLocale());
+                style.SetTitleFont( aFont );
+                bSetTitleFont = true;
+            }
+        }
+
+        KConfigGroup aIconsGroup = pConfig->group("Icons");
+
+        pKey = "Theme";
+        if (aIconsGroup.hasKey(pKey))
+            style.SetPreferredIconTheme( readEntryUntranslated(&aIconsGroup, pKey));
+
+        //toolbar
+        pKey = "toolbarFont";
+        if (aIconsGroup.hasKey(pKey))
+        {
+            vcl::Font aFont = toFont(aIconsGroup.readEntry(pKey, QFont()),
+                                     rSettings.GetUILanguageTag().getLocale());
+            style.SetToolFont( aFont );
+        }
+    }*/
+
+    // Font
+    vcl::Font aFont = toFont(QApplication::font(), rSettings.GetUILanguageTag().getLocale());
+
+    style.BatchSetFonts(aFont, aFont);
+
+    aFont.SetWeight(WEIGHT_BOLD);
+    if (!bSetTitleFont)
+    {
+        style.SetTitleFont(aFont);
+    }
+    style.SetFloatTitleFont(aFont);
+    style.SetHelpFont(toFont(QToolTip::font(), rSettings.GetUILanguageTag().getLocale()));
+
+    int flash_time = QApplication::cursorFlashTime();
+    style.SetCursorBlinkTime(flash_time != 0 ? flash_time / 2 : STYLE_CURSOR_NOBLINKTIME);
+
+    // Menu
+    std::unique_ptr<QMenuBar> pMenuBar = std::make_unique<QMenuBar>();
+    aFont = toFont(pMenuBar->font(), rSettings.GetUILanguageTag().getLocale());
+    style.SetMenuFont(aFont);
+
+    rSettings.SetStyleSettings(style);
+}
+
+SalGraphics* KF5SalFrame::AcquireGraphics()
+{
+    if (m_bGraphicsInUse)
+        return nullptr;
+
+    m_bGraphicsInUse = true;
+
+    if (!m_pKF5Graphics)
+    {
+        m_pKF5Graphics.reset(new Qt5SvpGraphics(this));
+        Qt5Frame::InitQt5SvpGraphics(m_pKF5Graphics.get());
+    }
+
+    return m_pKF5Graphics.get();
+}
+
+void KF5SalFrame::ReleaseGraphics(SalGraphics* pSalGraph)
+{
+    (void)pSalGraph;
+    assert(pSalGraph == m_pKF5Graphics.get());
+    m_bGraphicsInUse = false;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/unx/kf5/KF5SalFrame.hxx b/vcl/unx/kf5/KF5SalFrame.hxx
new file mode 100644
index 000000000..f757535c2
--- /dev/null
+++ b/vcl/unx/kf5/KF5SalFrame.hxx
@@ -0,0 +1,43 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <memory>
+
+#include <qt5/Qt5Frame.hxx>
+#include <qt5/Qt5SvpGraphics.hxx>
+
+class QWidget;
+
+class KF5SalFrame : public Qt5Frame
+{
+private:
+    std::unique_ptr<Qt5SvpGraphics> m_pKF5Graphics;
+    bool m_bGraphicsInUse;
+
+public:
+    KF5SalFrame(KF5SalFrame* pParent, SalFrameStyleFlags nStyle, bool bUseCairo);
+
+    virtual SalGraphics* AcquireGraphics() override;
+    virtual void ReleaseGraphics(SalGraphics* pGraphics) override;
+    virtual void UpdateSettings(AllSettings& rSettings) override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/unx/kf5/KF5SalInstance.cxx b/vcl/unx/kf5/KF5SalInstance.cxx
new file mode 100644
index 000000000..5b95ff8df
--- /dev/null
+++ b/vcl/unx/kf5/KF5SalInstance.cxx
@@ -0,0 +1,101 @@
+/* -*- 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 <sal/config.h>
+
+#include <utility>
+
+#include <QtWidgets/QApplication>
+
+#include <sal/log.hxx>
+
+#include <Qt5Data.hxx>
+
+#include "KF5FilePicker.hxx"
+#include "KF5SalFrame.hxx"
+#include "KF5SalInstance.hxx"
+
+using namespace com::sun::star;
+
+KF5SalInstance::KF5SalInstance(std::unique_ptr<QApplication>& pQApp)
+    : Qt5Instance(pQApp, true)
+{
+    ImplSVData* pSVData = ImplGetSVData();
+    pSVData->maAppData.mxToolkitName = OUString("kf5");
+}
+
+SalFrame* KF5SalInstance::CreateFrame(SalFrame* pParent, SalFrameStyleFlags nState)
+{
+    SalFrame* pRet(nullptr);
+    RunInMainThread([&pRet, pParent, nState]() {
+        pRet = new KF5SalFrame(static_cast<KF5SalFrame*>(pParent), nState, true);
+    });
+    assert(pRet);
+    return pRet;
+}
+
+bool KF5SalInstance::hasNativeFileSelection() const
+{
+    if (Application::GetDesktopEnvironment() == "PLASMA5")
+        return true;
+    return Qt5Instance::hasNativeFileSelection();
+}
+
+Qt5FilePicker*
+KF5SalInstance::createPicker(css::uno::Reference<css::uno::XComponentContext> const& context,
+                             QFileDialog::FileMode eMode)
+{
+    if (!IsMainThread())
+    {
+        SolarMutexGuard g;
+        Qt5FilePicker* pPicker;
+        RunInMainThread([&, this]() { pPicker = createPicker(context, eMode); });
+        assert(pPicker);
+        return pPicker;
+    }
+
+    // In order to insert custom controls, KF5FilePicker currently relies on KFileWidget
+    // being used in the native file picker, which is only the case for KDE Plasma.
+    // Therefore, return the plain qt5 one in order to not lose custom controls.
+    if (Application::GetDesktopEnvironment() == "PLASMA5")
+        return new KF5FilePicker(context, eMode);
+    return Qt5Instance::createPicker(context, eMode);
+}
+
+extern "C" {
+VCLPLUG_KF5_PUBLIC SalInstance* create_SalInstance()
+{
+    std::unique_ptr<char* []> pFakeArgv;
+    std::unique_ptr<int> pFakeArgc;
+    std::vector<FreeableCStr> aFakeArgvFreeable;
+    Qt5Instance::AllocFakeCmdlineArgs(pFakeArgv, pFakeArgc, aFakeArgvFreeable);
+
+    std::unique_ptr<QApplication> pQApp
+        = Qt5Instance::CreateQApplication(*pFakeArgc, pFakeArgv.get());
+
+    KF5SalInstance* pInstance = new KF5SalInstance(pQApp);
+    pInstance->MoveFakeCmdlineArgs(pFakeArgv, pFakeArgc, aFakeArgvFreeable);
+
+    new Qt5Data(pInstance);
+
+    return pInstance;
+}
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/unx/kf5/KF5SalInstance.hxx b/vcl/unx/kf5/KF5SalInstance.hxx
new file mode 100644
index 000000000..5dd306da5
--- /dev/null
+++ b/vcl/unx/kf5/KF5SalInstance.hxx
@@ -0,0 +1,36 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <qt5/Qt5Instance.hxx>
+
+class KF5SalInstance final : public Qt5Instance
+{
+    bool hasNativeFileSelection() const override;
+    Qt5FilePicker* createPicker(css::uno::Reference<css::uno::XComponentContext> const& context,
+                                QFileDialog::FileMode) override;
+
+    SalFrame* CreateFrame(SalFrame* pParent, SalFrameStyleFlags nStyle) override;
+
+public:
+    explicit KF5SalInstance(std::unique_ptr<QApplication>& pQApp);
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */