Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

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

29 files changed, 2740 insertions, 0 deletions

diff --git a/vcl/inc/qt5/QtAccessibleEventListener.hxx b/vcl/inc/qt5/QtAccessibleEventListener.hxx
new file mode 100644
index 000000000..a73f6d31f
--- /dev/null
+++ b/vcl/inc/qt5/QtAccessibleEventListener.hxx
@@ -0,0 +1,38 @@
+/* -*- 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/.
+ */
+
+#pragma once
+
+#include <com/sun/star/accessibility/XAccessible.hpp>
+#include <com/sun/star/accessibility/XAccessibleEventListener.hpp>
+#include <com/sun/star/lang/EventObject.hpp>
+
+#include "QtAccessibleWidget.hxx"
+
+#include <cppuhelper/implbase.hxx>
+
+class QtAccessibleEventListener final
+    : public cppu::WeakImplHelper<css::accessibility::XAccessibleEventListener>
+{
+public:
+    QtAccessibleEventListener(
+        const css::uno::Reference<css::accessibility::XAccessible> xAccessible,
+        QtAccessibleWidget* pAccessibleWidget);
+
+    virtual void SAL_CALL
+    notifyEvent(const css::accessibility::AccessibleEventObject& aEvent) override;
+
+    virtual void SAL_CALL disposing(const css::lang::EventObject& Source) override;
+
+private:
+    css::uno::Reference<css::accessibility::XAccessible> m_xAccessible;
+    QtAccessibleWidget* m_pAccessibleWidget;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtAccessibleWidget.hxx b/vcl/inc/qt5/QtAccessibleWidget.hxx
new file mode 100644
index 000000000..102b5658f
--- /dev/null
+++ b/vcl/inc/qt5/QtAccessibleWidget.hxx
@@ -0,0 +1,159 @@
+/* -*- 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/.
+ */
+
+#pragma once
+
+#include <vclpluginapi.h>
+
+#include <QtCore/QObject>
+#include <QtCore/QPair>
+#include <QtCore/QString>
+#include <QtCore/QStringList>
+#include <QtCore/QVector>
+#include <QtGui/QAccessible>
+#include <QtGui/QAccessibleActionInterface>
+#include <QtGui/QAccessibleInterface>
+#include <QtGui/QAccessibleTableCellInterface>
+#include <QtGui/QAccessibleTableInterface>
+#include <QtGui/QAccessibleTextInterface>
+#include <QtGui/QAccessibleValueInterface>
+#include <QtGui/QColor>
+#include <QtGui/QWindow>
+
+#include <com/sun/star/accessibility/XAccessible.hpp>
+
+namespace com::sun::star::accessibility
+{
+class XAccessibleTable;
+}
+
+class QtFrame;
+class QtWidget;
+
+class QtAccessibleWidget final : public QObject,
+                                 public QAccessibleInterface,
+                                 public QAccessibleActionInterface,
+                                 public QAccessibleTextInterface,
+                                 public QAccessibleEditableTextInterface,
+                                 public QAccessibleTableCellInterface,
+                                 public QAccessibleTableInterface,
+                                 public QAccessibleValueInterface
+{
+    Q_OBJECT
+
+public:
+    QtAccessibleWidget(const css::uno::Reference<css::accessibility::XAccessible> xAccessible,
+                       QObject* pObject);
+    QWindow* window() const override;
+    int childCount() const override;
+    int indexOfChild(const QAccessibleInterface* child) const override;
+    QVector<QPair<QAccessibleInterface*, QAccessible::Relation>>
+    relations(QAccessible::Relation match = QAccessible::AllRelations) const override;
+    QAccessibleInterface* focusChild() const override;
+
+    QRect rect() const override;
+
+    QAccessibleInterface* parent() const override;
+    QAccessibleInterface* child(int index) const override;
+
+    QString text(QAccessible::Text t) const override;
+    QAccessible::Role role() const override;
+    QAccessible::State state() const override;
+
+    QColor foregroundColor() const override;
+    QColor backgroundColor() const override;
+
+    bool isValid() const override;
+    QObject* object() const override;
+    void setText(QAccessible::Text t, const QString& text) override;
+    QAccessibleInterface* childAt(int x, int y) const override;
+
+    void* interface_cast(QAccessible::InterfaceType t) override;
+
+    // QAccessibleActionInterface
+    QStringList actionNames() const override;
+    void doAction(const QString& actionName) override;
+    QStringList keyBindingsForAction(const QString& actionName) const override;
+
+    // QAccessibleTextInterface
+    void addSelection(int startOffset, int endOffset) override;
+    QString attributes(int offset, int* startOffset, int* endOffset) const override;
+    int characterCount() const override;
+    QRect characterRect(int offset) const override;
+    int cursorPosition() const override;
+    int offsetAtPoint(const QPoint& point) const override;
+    void removeSelection(int selectionIndex) override;
+    void scrollToSubstring(int startIndex, int endIndex) override;
+    void selection(int selectionIndex, int* startOffset, int* endOffset) const override;
+    int selectionCount() const override;
+    void setCursorPosition(int position) override;
+    void setSelection(int selectionIndex, int startOffset, int endOffset) override;
+    QString text(int startOffset, int endOffset) const override;
+    QString textAfterOffset(int offset, QAccessible::TextBoundaryType boundaryType,
+                            int* startOffset, int* endOffset) const override;
+    QString textAtOffset(int offset, QAccessible::TextBoundaryType boundaryType, int* startOffset,
+                         int* endOffset) const override;
+    QString textBeforeOffset(int offset, QAccessible::TextBoundaryType boundaryType,
+                             int* startOffset, int* endOffset) const override;
+
+    // QAccessibleEditableTextInterface
+    virtual void deleteText(int startOffset, int endOffset) override;
+    virtual void insertText(int offset, const QString& text) override;
+    virtual void replaceText(int startOffset, int endOffset, const QString& text) override;
+
+    // QAccessibleValueInterface
+    QVariant currentValue() const override;
+    QVariant maximumValue() const override;
+    QVariant minimumStepSize() const override;
+    QVariant minimumValue() const override;
+    void setCurrentValue(const QVariant& value) override;
+
+    // QAccessibleTableInterface
+    virtual QAccessibleInterface* caption() const override;
+    virtual QAccessibleInterface* cellAt(int row, int column) const override;
+    virtual int columnCount() const override;
+    virtual QString columnDescription(int column) const override;
+    virtual bool isColumnSelected(int column) const override;
+    virtual bool isRowSelected(int row) const override;
+    virtual void modelChange(QAccessibleTableModelChangeEvent* event) override;
+    virtual int rowCount() const override;
+    virtual QString rowDescription(int row) const override;
+    virtual bool selectColumn(int column) override;
+    virtual bool selectRow(int row) override;
+    virtual int selectedCellCount() const override;
+    virtual QList<QAccessibleInterface*> selectedCells() const override;
+    virtual int selectedColumnCount() const override;
+    virtual QList<int> selectedColumns() const override;
+    virtual int selectedRowCount() const override;
+    virtual QList<int> selectedRows() const override;
+    virtual QAccessibleInterface* summary() const override;
+    virtual bool unselectColumn(int column) override;
+    virtual bool unselectRow(int row) override;
+
+    // QAccessibleTableCellInterface
+    virtual QList<QAccessibleInterface*> columnHeaderCells() const override;
+    virtual int columnIndex() const override;
+    virtual bool isSelected() const override;
+    virtual int columnExtent() const override;
+    virtual QList<QAccessibleInterface*> rowHeaderCells() const override;
+    virtual int rowExtent() const override;
+    virtual int rowIndex() const override;
+    virtual QAccessibleInterface* table() const override;
+
+    // Factory
+    static QAccessibleInterface* customFactory(const QString& classname, QObject* object);
+
+private:
+    css::uno::Reference<css::accessibility::XAccessible> m_xAccessible;
+    css::uno::Reference<css::accessibility::XAccessibleContext> getAccessibleContextImpl() const;
+    css::uno::Reference<css::accessibility::XAccessibleTable> getAccessibleTableForParent() const;
+    QObject* m_pObject;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtBitmap.hxx b/vcl/inc/qt5/QtBitmap.hxx
new file mode 100644
index 000000000..a15deab29
--- /dev/null
+++ b/vcl/inc/qt5/QtBitmap.hxx
@@ -0,0 +1,61 @@
+/* -*- 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 <salbmp.hxx>
+
+#include <memory>
+
+class QImage;
+
+class QtBitmap final : public SalBitmap
+{
+    std::unique_ptr<QImage> m_pImage;
+    BitmapPalette m_aPalette;
+
+public:
+    QtBitmap();
+    QtBitmap(const QImage& rQImage);
+
+    const QImage* GetQImage() const { return m_pImage.get(); }
+
+    virtual bool Create(const Size& rSize, vcl::PixelFormat ePixelFormat,
+                        const BitmapPalette& rPal) override;
+    virtual bool Create(const SalBitmap& rSalBmp) override;
+    virtual bool Create(const SalBitmap& rSalBmp, SalGraphics* pGraphics) override;
+    virtual bool Create(const SalBitmap& rSalBmp, vcl::PixelFormat eNewPixelFormat) override;
+    virtual bool Create(const css::uno::Reference<css::rendering::XBitmapCanvas>& rBitmapCanvas,
+                        Size& rSize, bool bMask = false) override;
+    virtual void Destroy() final override;
+    virtual Size GetSize() const override;
+    virtual sal_uInt16 GetBitCount() const override;
+
+    virtual BitmapBuffer* AcquireBuffer(BitmapAccessMode nMode) override;
+    virtual void ReleaseBuffer(BitmapBuffer* pBuffer, BitmapAccessMode nMode) override;
+    virtual bool GetSystemData(BitmapSystemData& rData) override;
+
+    virtual bool ScalingSupported() const override;
+    virtual bool Scale(const double& rScaleX, const double& rScaleY,
+                       BmpScaleFlag nScaleFlag) override;
+    virtual bool Replace(const Color& rSearchColor, const Color& rReplaceColor,
+                         sal_uInt8 nTol) override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtClipboard.hxx b/vcl/inc/qt5/QtClipboard.hxx
new file mode 100644
index 000000000..69c2f7a27
--- /dev/null
+++ b/vcl/inc/qt5/QtClipboard.hxx
@@ -0,0 +1,97 @@
+/* -*- 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/.
+ *
+ */
+
+#pragma once
+
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/datatransfer/XTransferable.hpp>
+#include <com/sun/star/datatransfer/clipboard/XSystemClipboard.hpp>
+#include <com/sun/star/datatransfer/clipboard/XFlushableClipboard.hpp>
+#include <com/sun/star/datatransfer/clipboard/XClipboardOwner.hpp>
+#include <com/sun/star/datatransfer/clipboard/XClipboardListener.hpp>
+#include <cppuhelper/compbase.hxx>
+
+#include <QtGui/QClipboard>
+
+/**
+ * This implementation has two main functions, which handle the clipboard content:
+ * the XClipboard::setContent function and the QClipboard::change signal handler.
+ *
+ * The first just sets the respective clipboard to the expected content from LO,
+ * the latter will handle any reported changes.
+ **/
+class QtClipboard final
+    : public QObject,
+      public cppu::WeakComponentImplHelper<css::datatransfer::clipboard::XSystemClipboard,
+                                           css::datatransfer::clipboard::XFlushableClipboard,
+                                           css::lang::XServiceInfo>
+{
+    Q_OBJECT
+
+    osl::Mutex m_aMutex;
+    const OUString m_aClipboardName;
+    const QClipboard::Mode m_aClipboardMode;
+    // has to be set, if LO changes the QClipboard itself, so it won't instantly lose
+    // ownership by it's self-triggered QClipboard::changed handler
+    bool m_bOwnClipboardChange;
+    // true, if LO really wants to give up clipboard ownership
+    bool m_bDoClear;
+
+    // if not empty, this holds the setContents provided XTransferable or a QtClipboardTransferable
+    css::uno::Reference<css::datatransfer::XTransferable> m_aContents;
+    // the owner of the current contents, which must be informed on content change
+    css::uno::Reference<css::datatransfer::clipboard::XClipboardOwner> m_aOwner;
+    std::vector<css::uno::Reference<css::datatransfer::clipboard::XClipboardListener>> m_aListeners;
+
+    static bool isOwner(const QClipboard::Mode aMode);
+    static bool isSupported(const QClipboard::Mode aMode);
+
+    explicit QtClipboard(const OUString& aModeString, const QClipboard::Mode aMode);
+
+private Q_SLOTS:
+    void handleChanged(QClipboard::Mode mode);
+    void handleClearClipboard();
+
+signals:
+    void clearClipboard();
+
+public:
+    // factory function to construct only valid QtClipboard objects by name
+    static css::uno::Reference<css::uno::XInterface> create(const OUString& aModeString);
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName() override;
+    virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
+    virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
+
+    // XClipboard
+    virtual css::uno::Reference<css::datatransfer::XTransferable> SAL_CALL getContents() override;
+    virtual void SAL_CALL setContents(
+        const css::uno::Reference<css::datatransfer::XTransferable>& xTrans,
+        const css::uno::Reference<css::datatransfer::clipboard::XClipboardOwner>& xClipboardOwner)
+        override;
+    virtual OUString SAL_CALL getName() override;
+
+    // XClipboardEx
+    virtual sal_Int8 SAL_CALL getRenderingCapabilities() override;
+
+    // XFlushableClipboard
+    virtual void SAL_CALL flushClipboard() override;
+
+    // XClipboardNotifier
+    virtual void SAL_CALL addClipboardListener(
+        const css::uno::Reference<css::datatransfer::clipboard::XClipboardListener>& listener)
+        override;
+    virtual void SAL_CALL removeClipboardListener(
+        const css::uno::Reference<css::datatransfer::clipboard::XClipboardListener>& listener)
+        override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtData.hxx b/vcl/inc/qt5/QtData.hxx
new file mode 100644
index 000000000..82cfecd57
--- /dev/null
+++ b/vcl/inc/qt5/QtData.hxx
@@ -0,0 +1,49 @@
+/* -*- 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 <unx/gendata.hxx>
+
+#include <o3tl/enumarray.hxx>
+#include <vcl/ptrstyle.hxx>
+#include <memory>
+#include <vclpluginapi.h>
+
+class QCursor;
+
+class VCLPLUG_QT_PUBLIC QtData final : public GenericUnixSalData
+{
+    o3tl::enumarray<PointerStyle, std::unique_ptr<QCursor>> m_aCursors;
+
+public:
+    explicit QtData();
+    virtual ~QtData() override;
+
+    virtual void ErrorTrapPush() override;
+    virtual bool ErrorTrapPop(bool bIgnoreError = true) override;
+
+    QCursor& getCursor(PointerStyle ePointerStyle);
+
+    static bool noNativeControls();
+};
+
+inline QtData* GetQtData() { return static_cast<QtData*>(GetSalData()); }
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtDragAndDrop.hxx b/vcl/inc/qt5/QtDragAndDrop.hxx
new file mode 100644
index 000000000..0ca1ebfb8
--- /dev/null
+++ b/vcl/inc/qt5/QtDragAndDrop.hxx
@@ -0,0 +1,115 @@
+/* -*- 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/.
+ *
+ */
+
+#pragma once
+
+#include <com/sun/star/datatransfer/dnd/XDragSource.hpp>
+#include <com/sun/star/datatransfer/dnd/XDropTarget.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <cppuhelper/compbase.hxx>
+
+class QtFrame;
+
+class QtDragSource final
+    : public cppu::WeakComponentImplHelper<css::datatransfer::dnd::XDragSource,
+                                           css::lang::XInitialization, css::lang::XServiceInfo>
+{
+    osl::Mutex m_aMutex;
+    QtFrame* m_pFrame;
+    css::uno::Reference<css::datatransfer::dnd::XDragSourceListener> m_xListener;
+
+public:
+    QtDragSource()
+        : WeakComponentImplHelper(m_aMutex)
+        , m_pFrame(nullptr)
+    {
+    }
+
+    virtual ~QtDragSource() override;
+
+    // XDragSource
+    virtual sal_Bool SAL_CALL isDragImageSupported() override;
+    virtual sal_Int32 SAL_CALL getDefaultCursor(sal_Int8 dragAction) override;
+    virtual void SAL_CALL startDrag(
+        const css::datatransfer::dnd::DragGestureEvent& trigger, sal_Int8 sourceActions,
+        sal_Int32 cursor, sal_Int32 image,
+        const css::uno::Reference<css::datatransfer::XTransferable>& transferable,
+        const css::uno::Reference<css::datatransfer::dnd::XDragSourceListener>& listener) override;
+
+    // XInitialization
+    virtual void SAL_CALL initialize(const css::uno::Sequence<css::uno::Any>& rArguments) override;
+    void deinitialize();
+
+    OUString SAL_CALL getImplementationName() override;
+
+    sal_Bool SAL_CALL supportsService(OUString const& ServiceName) override;
+
+    css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
+
+    void fire_dragEnd(sal_Int8 nAction, bool bSuccessful);
+};
+
+class QtDropTarget final
+    : public cppu::WeakComponentImplHelper<css::datatransfer::dnd::XDropTarget,
+                                           css::datatransfer::dnd::XDropTargetDragContext,
+                                           css::datatransfer::dnd::XDropTargetDropContext,
+                                           css::lang::XInitialization, css::lang::XServiceInfo>
+{
+    osl::Mutex m_aMutex;
+    QtFrame* m_pFrame;
+    sal_Int8 m_nDropAction;
+    bool m_bActive;
+    sal_Int8 m_nDefaultActions;
+    std::vector<css::uno::Reference<css::datatransfer::dnd::XDropTargetListener>> m_aListeners;
+    bool m_bDropSuccessful;
+
+public:
+    QtDropTarget();
+    virtual ~QtDropTarget() override;
+
+    // XInitialization
+    virtual void SAL_CALL initialize(const css::uno::Sequence<css::uno::Any>& rArgs) override;
+    void deinitialize();
+
+    // XDropTarget
+    virtual void SAL_CALL addDropTargetListener(
+        const css::uno::Reference<css::datatransfer::dnd::XDropTargetListener>&) override;
+    virtual void SAL_CALL removeDropTargetListener(
+        const css::uno::Reference<css::datatransfer::dnd::XDropTargetListener>&) override;
+    virtual sal_Bool SAL_CALL isActive() override;
+    virtual void SAL_CALL setActive(sal_Bool active) override;
+    virtual sal_Int8 SAL_CALL getDefaultActions() override;
+    virtual void SAL_CALL setDefaultActions(sal_Int8 actions) override;
+
+    // XDropTargetDragContext
+    virtual void SAL_CALL acceptDrag(sal_Int8 dragOperation) override;
+    virtual void SAL_CALL rejectDrag() override;
+
+    // XDropTargetDropContext
+    virtual void SAL_CALL acceptDrop(sal_Int8 dropOperation) override;
+    virtual void SAL_CALL rejectDrop() override;
+    virtual void SAL_CALL dropComplete(sal_Bool success) override;
+
+    // XServiceInfo
+    OUString SAL_CALL getImplementationName() override;
+    sal_Bool SAL_CALL supportsService(OUString const& ServiceName) override;
+    css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
+
+    void fire_dragEnter(const css::datatransfer::dnd::DropTargetDragEnterEvent& dtde);
+    void fire_dragExit(const css::datatransfer::dnd::DropTargetEvent& dte);
+    void fire_dragOver(const css::datatransfer::dnd::DropTargetDragEnterEvent& dtde);
+    void fire_drop(const css::datatransfer::dnd::DropTargetDropEvent& dtde);
+
+    sal_Int8 proposedDropAction() const { return m_nDropAction; }
+    bool dropSuccessful() const { return m_bDropSuccessful; }
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtFilePicker.hxx b/vcl/inc/qt5/QtFilePicker.hxx
new file mode 100644
index 000000000..20ee52e83
--- /dev/null
+++ b/vcl/inc/qt5/QtFilePicker.hxx
@@ -0,0 +1,186 @@
+/* -*- 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 <vclpluginapi.h>
+
+#include <cppuhelper/compbase.hxx>
+
+#include <com/sun/star/frame/XTerminateListener.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/ui/dialogs/XAsynchronousExecutableDialog.hpp>
+#include <com/sun/star/ui/dialogs/XFilePicker3.hpp>
+#include <com/sun/star/ui/dialogs/XFilePickerControlAccess.hpp>
+#include <com/sun/star/ui/dialogs/XFolderPicker2.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+
+#include <osl/conditn.hxx>
+#include <osl/mutex.hxx>
+#include <unotools/resmgr.hxx>
+
+#include <QtCore/QObject>
+#include <QtCore/QString>
+#include <QtCore/QStringList>
+#include <QtCore/QHash>
+#include <QtWidgets/QFileDialog>
+
+#include <memory>
+
+class QComboBox;
+class QGridLayout;
+class QLabel;
+class QWidget;
+
+typedef ::cppu::WeakComponentImplHelper<
+    css::frame::XTerminateListener, css::lang::XInitialization, css::lang::XServiceInfo,
+    css::ui::dialogs::XFilePicker3, css::ui::dialogs::XFilePickerControlAccess,
+    css::ui::dialogs::XAsynchronousExecutableDialog, css::ui::dialogs::XFolderPicker2>
+    QtFilePicker_Base;
+
+class VCLPLUG_QT_PUBLIC QtFilePicker : public QObject, public QtFilePicker_Base
+{
+    Q_OBJECT
+
+private:
+    css::uno::Reference<css::uno::XComponentContext> m_context;
+
+    css::uno::Reference<css::ui::dialogs::XFilePickerListener> m_xListener;
+    css::uno::Reference<css::ui::dialogs::XDialogClosedListener> m_xClosedListener;
+
+    osl::Mutex m_aHelperMutex; ///< mutex used by the WeakComponentImplHelper
+
+    QStringList m_aNamedFilterList; ///< to keep the original sequence
+    QHash<QString, QString> m_aTitleToFilterMap;
+    // to retrieve the filename extension for a given filter
+    QHash<QString, QString> m_aNamedFilterToExtensionMap;
+    QString m_aCurrentFilter;
+
+    QGridLayout* m_pLayout; ///< layout for extra custom controls
+    QHash<sal_Int16, QWidget*> m_aCustomWidgetsMap; ///< map of SAL control ID's to widget
+
+    const bool m_bIsFolderPicker;
+
+    QWidget* m_pParentWidget;
+
+protected:
+    std::unique_ptr<QFileDialog> m_pFileDialog; ///< the file picker dialog
+    QWidget* m_pExtraControls; ///< widget to contain extra custom controls
+
+public:
+    // use non-native file dialog by default; there's no easy way to add custom widgets
+    // in a generic way in the native one
+    explicit QtFilePicker(css::uno::Reference<css::uno::XComponentContext> const& context,
+                          QFileDialog::FileMode, bool bUseNative = false);
+    virtual ~QtFilePicker() override;
+
+    // XFilePickerNotifier
+    virtual void SAL_CALL addFilePickerListener(
+        const css::uno::Reference<css::ui::dialogs::XFilePickerListener>& xListener) override;
+    virtual void SAL_CALL removeFilePickerListener(
+        const css::uno::Reference<css::ui::dialogs::XFilePickerListener>& xListener) override;
+
+    // XFilterManager functions
+    virtual void SAL_CALL appendFilter(const OUString& rTitle, const OUString& rFilter) override;
+    virtual void SAL_CALL setCurrentFilter(const OUString& rTitle) override;
+    virtual OUString SAL_CALL getCurrentFilter() override;
+
+    // XFilterGroupManager functions
+    virtual void SAL_CALL
+    appendFilterGroup(const OUString& rGroupTitle,
+                      const css::uno::Sequence<css::beans::StringPair>& rFilters) override;
+
+    // XCancellable
+    virtual void SAL_CALL cancel() override;
+
+    // XExecutableDialog functions
+    virtual void SAL_CALL setTitle(const OUString& rTitle) override;
+    virtual sal_Int16 SAL_CALL execute() override;
+
+    // XAsynchronousExecutableDialog functions
+    virtual void SAL_CALL setDialogTitle(const OUString&) override;
+    virtual void SAL_CALL
+    startExecuteModal(const css::uno::Reference<css::ui::dialogs::XDialogClosedListener>&) override;
+
+    // XFilePicker functions
+    virtual void SAL_CALL setMultiSelectionMode(sal_Bool bMode) override;
+    virtual void SAL_CALL setDefaultName(const OUString& rName) override;
+    virtual void SAL_CALL setDisplayDirectory(const OUString& rDirectory) override;
+    virtual OUString SAL_CALL getDisplayDirectory() override;
+    virtual css::uno::Sequence<OUString> SAL_CALL getFiles() override;
+
+    // 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;
+
+    // XFilePicker2 functions
+    virtual css::uno::Sequence<OUString> SAL_CALL getSelectedFiles() override;
+
+    // XInitialization
+    virtual void SAL_CALL initialize(const css::uno::Sequence<css::uno::Any>& rArguments) override;
+
+    // XEventListener
+    void SAL_CALL disposing(const css::lang::EventObject& rEvent) override;
+    using cppu::WeakComponentImplHelperBase::disposing;
+
+    // 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;
+
+    // XFolderPicker functions
+    virtual OUString SAL_CALL getDirectory() override;
+    virtual void SAL_CALL setDescription(const OUString& rDescription) override;
+
+    // XTerminateListener
+    void SAL_CALL queryTermination(const css::lang::EventObject& aEvent) override;
+    void SAL_CALL notifyTermination(const css::lang::EventObject& aEvent) override;
+
+protected:
+    virtual void addCustomControl(sal_Int16 controlId);
+    void setCustomControlWidgetLayout(QGridLayout* pLayout) { m_pLayout = pLayout; }
+
+private:
+    QtFilePicker(const QtFilePicker&) = delete;
+    QtFilePicker& operator=(const QtFilePicker&) = delete;
+
+    static QString getResString(TranslateId pRedId);
+    static css::uno::Any handleGetListValue(const QComboBox* pWidget, sal_Int16 nControlAction);
+    static void handleSetListValue(QComboBox* pQComboBox, sal_Int16 nAction,
+                                   const css::uno::Any& rValue);
+
+    void prepareExecute();
+
+private Q_SLOTS:
+    // emit XFilePickerListener controlStateChanged event
+    void filterSelected(const QString&);
+    // emit XFilePickerListener fileSelectionChanged event
+    void currentChanged(const QString&);
+    // (un)set automatic file extension
+    virtual void updateAutomaticFileExtension();
+    void finished(int);
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtFont.hxx b/vcl/inc/qt5/QtFont.hxx
new file mode 100644
index 000000000..237523e2d
--- /dev/null
+++ b/vcl/inc/qt5/QtFont.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 <sal/config.h>
+
+#include <fontinstance.hxx>
+
+#include <QtGui/QFont>
+
+#include "QtFontFace.hxx"
+
+class QtFont final : public QFont, public LogicalFontInstance
+{
+    friend rtl::Reference<LogicalFontInstance>
+    QtFontFace::CreateFontInstance(const vcl::font::FontSelectPattern&) const;
+
+    bool GetGlyphOutline(sal_GlyphId, basegfx::B2DPolyPolygon&, bool) const override;
+    bool ImplGetGlyphBoundRect(sal_GlyphId, tools::Rectangle&, bool) const override;
+
+    virtual hb_font_t* ImplInitHbFont() override;
+
+    explicit QtFont(const vcl::font::PhysicalFontFace&, const vcl::font::FontSelectPattern&);
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtFontFace.hxx b/vcl/inc/qt5/QtFontFace.hxx
new file mode 100644
index 000000000..5b0460443
--- /dev/null
+++ b/vcl/inc/qt5/QtFontFace.hxx
@@ -0,0 +1,76 @@
+/* -*- 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 <sal/config.h>
+
+#include <vclpluginapi.h>
+#include <font/PhysicalFontFace.hxx>
+
+#include <tools/ref.hxx>
+#include <vcl/fontcapabilities.hxx>
+#include <vcl/fontcharmap.hxx>
+
+#include <QtCore/QString>
+#include <QtGui/QFont>
+
+class FontAttributes;
+namespace vcl::font
+{
+class FontSelectPattern;
+}
+
+class QtFontFace final : public vcl::font::PhysicalFontFace
+{
+public:
+    static QtFontFace* fromQFont(const QFont& rFont);
+    static QtFontFace* fromQFontDatabase(const QString& aFamily, const QString& aStyle);
+    static void fillAttributesFromQFont(const QFont& rFont, FontAttributes& rFA);
+
+    VCLPLUG_QT_PUBLIC static FontWeight toFontWeight(const int nWeight);
+    VCLPLUG_QT_PUBLIC static FontWidth toFontWidth(const int nStretch);
+    VCLPLUG_QT_PUBLIC static FontItalic toFontItalic(const QFont::Style eStyle);
+
+    sal_IntPtr GetFontId() const override;
+
+    QFont CreateFont() const;
+    int GetFontTable(const char pTagName[5], unsigned char*) const;
+
+    FontCharMapRef GetFontCharMap() const override;
+    bool GetFontCapabilities(vcl::FontCapabilities&) const override;
+    bool HasChar(sal_uInt32 cChar) const;
+
+    rtl::Reference<LogicalFontInstance>
+    CreateFontInstance(const vcl::font::FontSelectPattern& rFSD) const override;
+
+private:
+    typedef enum { Font, FontDB } FontIdType;
+
+    QtFontFace(const QtFontFace&);
+    QtFontFace(const FontAttributes&, const QString& rFontID, const FontIdType);
+
+    const QString m_aFontId;
+    const FontIdType m_eFontIdType;
+    mutable FontCharMapRef m_xCharMap;
+    mutable vcl::FontCapabilities m_aFontCapabilities;
+    mutable bool m_bFontCapabilitiesRead;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtFrame.hxx b/vcl/inc/qt5/QtFrame.hxx
new file mode 100644
index 000000000..2d7c5718d
--- /dev/null
+++ b/vcl/inc/qt5/QtFrame.hxx
@@ -0,0 +1,240 @@
+/* -*- 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 <config_vclplug.h>
+
+#include <salframe.hxx>
+#include <vclpluginapi.h>
+
+#include "QtTools.hxx"
+#include "QtWidget.hxx"
+
+#include <headless/svpgdi.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/sysdata.hxx>
+
+#include <QtCore/QObject>
+
+#if CHECK_QT5_USING_X11
+#include <unx/screensaverinhibitor.hxx>
+// any better way to get rid of the X11 / Qt type clashes?
+#undef Bool
+#undef CursorShape
+#undef Expose
+#undef KeyPress
+#undef KeyRelease
+#undef FocusIn
+#undef FocusOut
+#undef FontChange
+#undef None
+#undef Status
+#undef Unsorted
+#endif
+
+class QtDragSource;
+class QtDropTarget;
+class QtGraphics;
+class QtInstance;
+class QtMainWindow;
+class QtMenu;
+class QtSvpGraphics;
+
+class QDragMoveEvent;
+class QDropEvent;
+class QImage;
+class QMimeData;
+class QPaintDevice;
+class QScreen;
+class QWidget;
+
+class VCLPLUG_QT_PUBLIC QtFrame : public QObject, public SalFrame
+{
+    Q_OBJECT
+
+    friend class QtWidget;
+
+    QtWidget* m_pQWidget;
+    QtMainWindow* m_pTopLevel;
+
+    const bool m_bUseCairo;
+    std::unique_ptr<QImage> m_pQImage;
+    std::unique_ptr<QtGraphics> m_pQtGraphics;
+    UniqueCairoSurface m_pSurface;
+    std::unique_ptr<QtSvpGraphics> m_pSvpGraphics;
+    DamageHandler m_aDamageHandler;
+    QRegion m_aRegion;
+    bool m_bNullRegion;
+
+    bool m_bGraphicsInUse;
+    SalFrameStyleFlags m_nStyle;
+    QtFrame* m_pParent;
+    PointerStyle m_ePointerStyle;
+
+    SystemEnvData m_aSystemData;
+
+    QtDragSource* m_pDragSource;
+    QtDropTarget* m_pDropTarget;
+    bool m_bInDrag;
+
+    bool m_bDefaultSize;
+    bool m_bDefaultPos;
+    bool m_bFullScreen;
+    bool m_bFullScreenSpanAll;
+    sal_uInt32 m_nRestoreScreen;
+    QRect m_aRestoreGeometry;
+
+#if CHECK_QT5_USING_X11
+    ScreenSaverInhibitor m_ScreenSaverInhibitor;
+#endif
+#if CHECK_ANY_QT_USING_X11
+    ModKeyFlags m_nKeyModifiers;
+#endif
+
+    LanguageType m_nInputLanguage;
+
+    OUString m_aTooltipText;
+    QRect m_aTooltipArea;
+
+    void SetDefaultPos();
+    Size CalcDefaultSize();
+    void SetDefaultSize();
+
+    bool isChild(bool bPlug = true, bool bSysChild = true) const
+    {
+        SalFrameStyleFlags nMask = SalFrameStyleFlags::NONE;
+        if (bPlug)
+            nMask |= SalFrameStyleFlags::PLUG;
+        if (bSysChild)
+            nMask |= SalFrameStyleFlags::SYSTEMCHILD;
+        return bool(m_nStyle & nMask);
+    }
+
+    bool isWindow() const;
+    QWindow* windowHandle() const;
+    QScreen* screen() const;
+    bool isMinimized() const;
+    bool isMaximized() const;
+    void SetWindowStateImpl(Qt::WindowStates eState);
+    int menuBarOffset() const;
+
+    void fixICCCMwindowGroup();
+
+private Q_SLOTS:
+    void screenChanged(QScreen*);
+
+public:
+    QtFrame(QtFrame* pParent, SalFrameStyleFlags nSalFrameStyle, bool bUseCairo);
+    virtual ~QtFrame() override;
+
+    QWidget* GetQWidget() const { return m_pQWidget; }
+    QtMainWindow* GetTopLevelWindow() const { return m_pTopLevel; }
+    QWidget* asChild() const;
+    qreal devicePixelRatioF() const;
+
+    void Damage(sal_Int32 nExtentsX, sal_Int32 nExtentsY, sal_Int32 nExtentsWidth,
+                sal_Int32 nExtentsHeight) const;
+
+    virtual SalGraphics* AcquireGraphics() override;
+    virtual void ReleaseGraphics(SalGraphics* pGraphics) override;
+
+    virtual bool PostEvent(std::unique_ptr<ImplSVEvent> pData) override;
+
+    virtual void SetTitle(const OUString& rTitle) override;
+    virtual void SetIcon(sal_uInt16 nIcon) override;
+    virtual void SetMenu(SalMenu* pMenu) override;
+    virtual void DrawMenuBar() override;
+
+    virtual void registerDragSource(QtDragSource* pDragSource);
+    virtual void deregisterDragSource(QtDragSource const* pDragSource);
+    virtual void registerDropTarget(QtDropTarget* pDropTarget);
+    virtual void deregisterDropTarget(QtDropTarget const* pDropTarget);
+
+    void handleDragLeave();
+    void handleDragMove(QDragMoveEvent* pEvent);
+    void handleDrop(QDropEvent* pEvent);
+
+    virtual void SetExtendedFrameStyle(SalExtStyle nExtStyle) override;
+    virtual void Show(bool bVisible, bool bNoActivate = false) override;
+    virtual void SetMinClientSize(tools::Long nWidth, tools::Long nHeight) override;
+    virtual void SetMaxClientSize(tools::Long nWidth, tools::Long nHeight) override;
+    virtual void SetPosSize(tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight,
+                            sal_uInt16 nFlags) override;
+    virtual void GetClientSize(tools::Long& rWidth, tools::Long& rHeight) override;
+    virtual void GetWorkArea(tools::Rectangle& rRect) override;
+    virtual SalFrame* GetParent() const override;
+    virtual void SetModal(bool bModal) override;
+    virtual bool GetModal() const override;
+    virtual void SetWindowState(const SalFrameState* pState) override;
+    virtual bool GetWindowState(SalFrameState* pState) override;
+    virtual void ShowFullScreen(bool bFullScreen, sal_Int32 nDisplay) override;
+    virtual void StartPresentation(bool bStart) override;
+    virtual void SetAlwaysOnTop(bool bOnTop) override;
+    virtual void ToTop(SalFrameToTop nFlags) override;
+    virtual void SetPointer(PointerStyle ePointerStyle) override;
+    virtual void CaptureMouse(bool bMouse) override;
+    virtual void SetPointerPos(tools::Long nX, tools::Long nY) override;
+    virtual bool ShowTooltip(const OUString& rText, const tools::Rectangle& rHelpArea) override;
+    using SalFrame::Flush;
+    virtual void Flush() override;
+    virtual void SetInputContext(SalInputContext* pContext) override;
+    virtual void EndExtTextInput(EndExtTextInputFlags nFlags) override;
+    virtual OUString GetKeyName(sal_uInt16 nKeyCode) override;
+    virtual bool MapUnicodeToKeyCode(sal_Unicode aUnicode, LanguageType aLangType,
+                                     vcl::KeyCode& rKeyCode) override;
+    virtual LanguageType GetInputLanguage() override;
+    virtual void UpdateSettings(AllSettings& rSettings) override;
+    virtual void Beep() override;
+    virtual const SystemEnvData* GetSystemData() const override { return &m_aSystemData; }
+    virtual SalPointerState GetPointerState() override;
+    virtual KeyIndicatorState GetIndicatorState() override;
+    virtual void SimulateKeyPress(sal_uInt16 nKeyCode) override;
+    virtual void SetParent(SalFrame* pNewParent) override;
+    virtual void SetPluginParent(SystemParentData* pNewParent) override;
+    virtual void ResetClipRegion() override;
+    virtual void BeginSetClipRegion(sal_uInt32 nRects) override;
+    virtual void UnionClipRegion(tools::Long nX, tools::Long nY, tools::Long nWidth,
+                                 tools::Long nHeight) override;
+    virtual void EndSetClipRegion() override;
+
+    virtual void SetScreenNumber(unsigned int) override;
+    virtual void SetApplicationID(const OUString&) override;
+    virtual void ResolveWindowHandle(SystemEnvData& rData) const override;
+
+    inline bool CallCallback(SalEvent nEvent, const void* pEvent) const;
+
+    void setInputLanguage(LanguageType);
+    inline bool isPopup() const;
+    static void FillSystemEnvData(SystemEnvData&, sal_IntPtr pWindow, QWidget* pWidget);
+};
+
+inline bool QtFrame::CallCallback(SalEvent nEvent, const void* pEvent) const
+{
+    SolarMutexGuard aGuard;
+    return SalFrame::CallCallback(nEvent, pEvent);
+}
+
+inline bool QtFrame::isPopup() const
+{
+    return ((m_nStyle & SalFrameStyleFlags::FLOAT)
+            && !(m_nStyle & SalFrameStyleFlags::OWNERDRAWDECORATION));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtGraphics.hxx b/vcl/inc/qt5/QtGraphics.hxx
new file mode 100644
index 000000000..fed7c2cb8
--- /dev/null
+++ b/vcl/inc/qt5/QtGraphics.hxx
@@ -0,0 +1,251 @@
+/* -*- 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 <sal/config.h>
+
+#include <salgdi.hxx>
+
+#include <memory>
+
+#include <QtGui/QPainter>
+#include <QtGui/QPainterPath>
+#include <QtGui/QRegion>
+
+#include "QtGraphicsBase.hxx"
+
+namespace vcl::font
+{
+class PhysicalFontCollection;
+}
+class QImage;
+class QPushButton;
+class QtFont;
+class QtFontFace;
+class QtFrame;
+class QtPainter;
+
+class QtGraphicsBackend final : public SalGraphicsImpl, public QtGraphicsBase
+{
+    friend class QtPainter;
+
+    QtFrame* m_pFrame;
+    QImage* m_pQImage;
+    QRegion m_aClipRegion;
+    QPainterPath m_aClipPath;
+    Color m_aLineColor;
+    Color m_aFillColor;
+    QPainter::CompositionMode m_eCompositionMode;
+
+public:
+    QtGraphicsBackend(QtFrame* pFrame, QImage* pQImage);
+    ~QtGraphicsBackend() override;
+
+    void Init() override {}
+
+    QImage* getQImage() { return m_pQImage; }
+
+    void setQImage(QImage* pQImage) { m_pQImage = pQImage; }
+
+    void freeResources() override {}
+
+    OUString getRenderBackendName() const override { return "qt5"; }
+
+    bool setClipRegion(vcl::Region const& rRegion) override;
+    void ResetClipRegion() override;
+
+    sal_uInt16 GetBitCount() const override;
+
+    tools::Long GetGraphicsWidth() const override;
+
+    void SetLineColor() override;
+    void SetLineColor(Color nColor) override;
+    void SetFillColor() override;
+    void SetFillColor(Color nColor) override;
+    void SetXORMode(bool bSet, bool bInvertOnly) override;
+    void SetROPLineColor(SalROPColor nROPColor) override;
+    void SetROPFillColor(SalROPColor nROPColor) override;
+
+    void drawPixel(tools::Long nX, tools::Long nY) override;
+    void drawPixel(tools::Long nX, tools::Long nY, Color nColor) override;
+
+    void drawLine(tools::Long nX1, tools::Long nY1, tools::Long nX2, tools::Long nY2) override;
+    void drawRect(tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight) override;
+    void drawPolyLine(sal_uInt32 nPoints, const Point* pPointArray) override;
+    void drawPolygon(sal_uInt32 nPoints, const Point* pPointArray) override;
+    void drawPolyPolygon(sal_uInt32 nPoly, const sal_uInt32* pPoints,
+                         const Point** pPointArray) override;
+
+    bool drawPolyPolygon(const basegfx::B2DHomMatrix& rObjectToDevice,
+                         const basegfx::B2DPolyPolygon&, double fTransparency) override;
+
+    bool drawPolyLine(const basegfx::B2DHomMatrix& rObjectToDevice, const basegfx::B2DPolygon&,
+                      double fTransparency, double fLineWidth, const std::vector<double>* pStroke,
+                      basegfx::B2DLineJoin, css::drawing::LineCap, double fMiterMinimumAngle,
+                      bool bPixelSnapHairline) override;
+
+    bool drawPolyLineBezier(sal_uInt32 nPoints, const Point* pPointArray,
+                            const PolyFlags* pFlagArray) override;
+
+    bool drawPolygonBezier(sal_uInt32 nPoints, const Point* pPointArray,
+                           const PolyFlags* pFlagArray) override;
+
+    bool drawPolyPolygonBezier(sal_uInt32 nPoly, const sal_uInt32* pPoints,
+                               const Point* const* pPointArray,
+                               const PolyFlags* const* pFlagArray) override;
+
+    void copyArea(tools::Long nDestX, tools::Long nDestY, tools::Long nSrcX, tools::Long nSrcY,
+                  tools::Long nSrcWidth, tools::Long nSrcHeight, bool bWindowInvalidate) override;
+
+    void copyBits(const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics) override;
+
+    void drawBitmap(const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap) override;
+
+    void drawBitmap(const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap,
+                    const SalBitmap& rMaskBitmap) override;
+
+    void drawMask(const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap,
+                  Color nMaskColor) override;
+
+    std::shared_ptr<SalBitmap> getBitmap(tools::Long nX, tools::Long nY, tools::Long nWidth,
+                                         tools::Long nHeight) override;
+
+    Color getPixel(tools::Long nX, tools::Long nY) override;
+
+    void invert(tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight,
+                SalInvert nFlags) override;
+
+    void invert(sal_uInt32 nPoints, const Point* pPtAry, SalInvert nFlags) override;
+
+    bool drawEPS(tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight,
+                 void* pPtr, sal_uInt32 nSize) override;
+
+    bool blendBitmap(const SalTwoRect&, const SalBitmap& rBitmap) override;
+
+    bool blendAlphaBitmap(const SalTwoRect&, const SalBitmap& rSrcBitmap,
+                          const SalBitmap& rMaskBitmap, const SalBitmap& rAlphaBitmap) override;
+
+    bool drawAlphaBitmap(const SalTwoRect&, const SalBitmap& rSourceBitmap,
+                         const SalBitmap& rAlphaBitmap) override;
+
+    bool drawTransformedBitmap(const basegfx::B2DPoint& rNull, const basegfx::B2DPoint& rX,
+                               const basegfx::B2DPoint& rY, const SalBitmap& rSourceBitmap,
+                               const SalBitmap* pAlphaBitmap, double fAlpha) override;
+
+    bool hasFastDrawTransformedBitmap() const override;
+
+    bool drawAlphaRect(tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight,
+                       sal_uInt8 nTransparency) override;
+
+    bool drawGradient(const tools::PolyPolygon& rPolygon, const Gradient& rGradient) override;
+    bool implDrawGradient(basegfx::B2DPolyPolygon const& rPolyPolygon,
+                          SalGradient const& rGradient) override;
+
+    bool supportsOperation(OutDevSupportType eType) const override;
+
+private:
+    void drawScaledImage(const SalTwoRect& rPosAry, const QImage& rImage);
+};
+
+class QtGraphics final : public SalGraphicsAutoDelegateToImpl, public QtGraphicsBase
+{
+    friend class QtBitmap;
+
+    std::unique_ptr<QtGraphicsBackend> m_pBackend;
+
+    QtFrame* m_pFrame;
+
+    rtl::Reference<QtFont> m_pTextStyle[MAX_FALLBACK];
+    Color m_aTextColor;
+
+    QtGraphics(QtFrame* pFrame, QImage* pQImage);
+
+    void drawScaledImage(const SalTwoRect& rPosAry, const QImage& rImage);
+
+    void handleDamage(const tools::Rectangle&) override;
+
+public:
+    QtGraphics(QtFrame* pFrame)
+        : QtGraphics(pFrame, nullptr)
+    {
+    }
+    QtGraphics(QImage* pQImage)
+        : QtGraphics(nullptr, pQImage)
+    {
+    }
+    virtual ~QtGraphics() override;
+
+    QImage* getQImage() { return m_pBackend->getQImage(); }
+
+    void ChangeQImage(QImage* pImage);
+
+    virtual SalGraphicsImpl* GetImpl() const override;
+    virtual SystemGraphicsData GetGraphicsData() const override;
+    virtual OUString getRenderBackendName() const override
+    {
+        return m_pBackend->getRenderBackendName();
+    }
+
+#if ENABLE_CAIRO_CANVAS
+    virtual bool SupportsCairo() const override;
+    virtual cairo::SurfaceSharedPtr
+    CreateSurface(const cairo::CairoSurfaceSharedPtr& rSurface) const override;
+    virtual cairo::SurfaceSharedPtr CreateSurface(const OutputDevice& rRefDevice, int x, int y,
+                                                  int width, int height) const override;
+    virtual cairo::SurfaceSharedPtr CreateBitmapSurface(const OutputDevice& rRefDevice,
+                                                        const BitmapSystemData& rData,
+                                                        const Size& rSize) const override;
+    virtual css::uno::Any GetNativeSurfaceHandle(cairo::SurfaceSharedPtr& rSurface,
+                                                 const basegfx::B2ISize& rSize) const override;
+#endif // ENABLE_CAIRO_CANVAS
+
+    // GDI
+
+    virtual void GetResolution(sal_Int32& rDPIX, sal_Int32& rDPIY) override;
+
+    // Text rendering + font support
+
+    virtual void SetTextColor(Color nColor) override;
+    virtual void SetFont(LogicalFontInstance*, int nFallbackLevel) override;
+    virtual void GetFontMetric(ImplFontMetricDataRef&, int nFallbackLevel) override;
+    virtual FontCharMapRef GetFontCharMap() const override;
+    virtual bool GetFontCapabilities(vcl::FontCapabilities& rFontCapabilities) const override;
+    virtual void GetDevFontList(vcl::font::PhysicalFontCollection*) override;
+    virtual void ClearDevFontCache() override;
+    virtual bool AddTempDevFont(vcl::font::PhysicalFontCollection*, const OUString& rFileURL,
+                                const OUString& rFontName) override;
+    virtual bool CreateFontSubset(const OUString& rToFile, const vcl::font::PhysicalFontFace* pFont,
+                                  const sal_GlyphId* pGlyphIds, const sal_uInt8* pEncoding,
+                                  sal_Int32* pWidths, int nGlyphs,
+                                  FontSubsetInfo& rInfo // out parameter
+                                  ) override;
+
+    virtual const void* GetEmbedFontData(const vcl::font::PhysicalFontFace*,
+                                         tools::Long* pDataLen) override;
+    virtual void FreeEmbedFontData(const void* pData, tools::Long nDataLen) override;
+
+    virtual void GetGlyphWidths(const vcl::font::PhysicalFontFace*, bool bVertical,
+                                std::vector<sal_Int32>& rWidths, Ucs2UIntMap& rUnicodeEnc) override;
+
+    virtual std::unique_ptr<GenericSalLayout> GetTextLayout(int nFallbackLevel) override;
+    virtual void DrawTextLayout(const GenericSalLayout&) override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtGraphicsBase.hxx b/vcl/inc/qt5/QtGraphicsBase.hxx
new file mode 100644
index 000000000..73c39fb5b
--- /dev/null
+++ b/vcl/inc/qt5/QtGraphicsBase.hxx
@@ -0,0 +1,29 @@
+/* -*- 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/.
+ */
+
+#pragma once
+
+#include <QtWidgets/QApplication>
+
+class QtGraphicsBase
+{
+    qreal m_fDPR;
+
+public:
+    QtGraphicsBase()
+        : m_fDPR(qApp ? qApp->devicePixelRatio() : 1.0)
+    {
+    }
+
+    void setDevicePixelRatioF(qreal fDPR) { m_fDPR = fDPR; }
+
+    qreal devicePixelRatioF() const { return m_fDPR; }
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtGraphics_Controls.hxx b/vcl/inc/qt5/QtGraphics_Controls.hxx
new file mode 100644
index 000000000..17039f9d6
--- /dev/null
+++ b/vcl/inc/qt5/QtGraphics_Controls.hxx
@@ -0,0 +1,99 @@
+/* -*- 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 <vclpluginapi.h>
+#include <WidgetDrawInterface.hxx>
+
+#include <memory>
+
+#include <QtGui/QImage>
+#include <QtGui/QPainter>
+#include <QtGui/QRegion>
+#include <QtWidgets/QPushButton>
+#include <QtWidgets/QStyle>
+#include <QtWidgets/QStyleOption>
+
+class QtGraphicsBase;
+
+class QtGraphics_Controls final : public vcl::WidgetDrawInterface
+{
+    std::unique_ptr<QImage> m_image;
+    QRect m_lastPopupRect;
+    QtGraphicsBase const& m_rGraphics;
+
+public:
+    QtGraphics_Controls(const QtGraphicsBase& rGraphics);
+
+    QImage* getImage() { return m_image.get(); }
+
+    bool isNativeControlSupported(ControlType nType, ControlPart nPart) override;
+    bool hitTestNativeControl(ControlType nType, ControlPart nPart,
+                              const tools::Rectangle& rControlRegion, const Point& aPos,
+                              bool& rIsInside) override;
+    bool drawNativeControl(ControlType nType, ControlPart nPart,
+                           const tools::Rectangle& rControlRegion, ControlState nState,
+                           const ImplControlValue& aValue, const OUString& aCaption,
+                           const Color& rBackgroundColor) override;
+    bool getNativeControlRegion(ControlType nType, ControlPart nPart,
+                                const tools::Rectangle& rControlRegion, ControlState nState,
+                                const ImplControlValue& aValue, const OUString& aCaption,
+                                tools::Rectangle& rNativeBoundingRegion,
+                                tools::Rectangle& rNativeContentRegion) override;
+
+private:
+    static int pixelMetric(QStyle::PixelMetric metric, const QStyleOption* option = nullptr);
+    static QSize sizeFromContents(QStyle::ContentsType type, const QStyleOption* option,
+                                  const QSize& contentsSize);
+    static QRect subControlRect(QStyle::ComplexControl control, const QStyleOptionComplex* option,
+                                QStyle::SubControl subControl);
+    static QRect subElementRect(QStyle::SubElement element, const QStyleOption* option);
+
+    void draw(QStyle::ControlElement element, QStyleOption& rOption, QImage* image,
+              const Color& rBackgroundColor, QStyle::State const state = QStyle::State_None,
+              QRect rect = QRect());
+    void draw(QStyle::PrimitiveElement element, QStyleOption& rOption, QImage* image,
+              const Color& rBackgroundColor, QStyle::State const state = QStyle::State_None,
+              QRect rect = QRect());
+    void draw(QStyle::ComplexControl element, QStyleOptionComplex& rOption, QImage* image,
+              const Color& rBackgroundColor, QStyle::State const state = QStyle::State_None);
+    void drawFrame(QStyle::PrimitiveElement element, QImage* image, const Color& rBackGroundColor,
+                   QStyle::State const& state, bool bClip = true,
+                   QStyle::PixelMetric eLineMetric = QStyle::PM_DefaultFrameWidth);
+
+    static void fillQStyleOptionTab(const ImplControlValue& value, QStyleOptionTab& sot);
+    void fullQStyleOptionTabWidgetFrame(QStyleOptionTabWidgetFrame& option, bool bDownscale);
+
+    enum class Round
+    {
+        Floor,
+        Ceil,
+    };
+
+    int downscale(int value, Round eRound);
+    int upscale(int value, Round eRound);
+    QRect downscale(const QRect& rect);
+    QRect upscale(const QRect& rect);
+    QSize downscale(const QSize& size, Round eRound);
+    QSize upscale(const QSize& size, Round eRound);
+    QPoint upscale(const QPoint& point, Round eRound);
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtInstance.hxx b/vcl/inc/qt5/QtInstance.hxx
new file mode 100644
index 000000000..df6c4ec5a
--- /dev/null
+++ b/vcl/inc/qt5/QtInstance.hxx
@@ -0,0 +1,190 @@
+/* -*- 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 <vclpluginapi.h>
+#include <unx/geninst.h>
+#include <salusereventlist.hxx>
+#include <vcl/timer.hxx>
+
+#include <osl/conditn.hxx>
+
+#include <QtCore/QObject>
+
+#include <cstdlib>
+#include <functional>
+#include <memory>
+#include <vector>
+
+#include "QtFilePicker.hxx"
+
+class QtFrame;
+class QtTimer;
+
+class QApplication;
+class SalYieldMutex;
+class SalFrame;
+
+struct StdFreeCStr
+{
+    void operator()(char* arg) const noexcept { std::free(arg); }
+};
+using FreeableCStr = std::unique_ptr<char[], StdFreeCStr>;
+
+class VCLPLUG_QT_PUBLIC QtInstance : public QObject,
+                                     public SalGenericInstance,
+                                     public SalUserEventList
+{
+    Q_OBJECT
+
+    osl::Condition m_aWaitingYieldCond;
+    const bool m_bUseCairo;
+    QtTimer* m_pTimer;
+    bool m_bSleeping;
+    std::unordered_map<OUString, css::uno::Reference<css::uno::XInterface>> m_aClipboards;
+
+    std::unique_ptr<QApplication> m_pQApplication;
+    std::vector<FreeableCStr> m_pFakeArgvFreeable;
+    std::unique_ptr<char* []> m_pFakeArgv;
+    std::unique_ptr<int> m_pFakeArgc;
+
+    Timer m_aUpdateStyleTimer;
+    bool m_bUpdateFonts;
+
+    QtFrame* m_pActivePopup;
+
+    DECL_DLLPRIVATE_LINK(updateStyleHdl, Timer*, void);
+    void AfterAppInit() override;
+
+private Q_SLOTS:
+    bool ImplYield(bool bWait, bool bHandleAllCurrentEvents);
+    static void deleteObjectLater(QObject* pObject);
+    static void localeChanged();
+
+    void orientationChanged(Qt::ScreenOrientation);
+    void primaryScreenChanged(QScreen*);
+    void screenAdded(QScreen*);
+    void screenRemoved(QScreen*);
+    void virtualGeometryChanged(const QRect&);
+
+Q_SIGNALS:
+    bool ImplYieldSignal(bool bWait, bool bHandleAllCurrentEvents);
+    void deleteObjectLaterSignal(QObject* pObject);
+
+protected:
+    virtual rtl::Reference<QtFilePicker>
+    createPicker(css::uno::Reference<css::uno::XComponentContext> const& context,
+                 QFileDialog::FileMode);
+    bool useCairo() const { return m_bUseCairo; }
+    // encodes cairo usage and Qt platform name into the ToolkitName
+    OUString constructToolkitID(std::u16string_view sTKname);
+    void connectQScreenSignals(const QScreen*);
+    void notifyDisplayChanged();
+
+public:
+    explicit QtInstance(std::unique_ptr<QApplication>& pQApp, bool bUseCairo = false);
+    virtual ~QtInstance() override;
+
+    // handle common SalInstance setup
+    static void AllocFakeCmdlineArgs(std::unique_ptr<char* []>& rFakeArgv,
+                                     std::unique_ptr<int>& rFakeArgc,
+                                     std::vector<FreeableCStr>& rFakeArgvFreeable);
+    void MoveFakeCmdlineArgs(std::unique_ptr<char* []>& rFakeArgv, std::unique_ptr<int>& rFakeArgc,
+                             std::vector<FreeableCStr>& rFakeArgvFreeable);
+    static std::unique_ptr<QApplication> CreateQApplication(int& nArgc, char** pArgv);
+
+    void RunInMainThread(std::function<void()> func);
+
+    virtual SalFrame* CreateFrame(SalFrame* pParent, SalFrameStyleFlags nStyle) override;
+    virtual SalFrame* CreateChildFrame(SystemParentData* pParent,
+                                       SalFrameStyleFlags nStyle) override;
+    virtual void DestroyFrame(SalFrame* pFrame) override;
+
+    virtual SalObject* CreateObject(SalFrame* pParent, SystemWindowData* pWindowData,
+                                    bool bShow) override;
+    virtual void DestroyObject(SalObject* pObject) override;
+
+    virtual std::unique_ptr<SalVirtualDevice>
+    CreateVirtualDevice(SalGraphics& rGraphics, tools::Long& nDX, tools::Long& nDY,
+                        DeviceFormat eFormat, const SystemGraphicsData* pData = nullptr) override;
+
+    virtual SalInfoPrinter* CreateInfoPrinter(SalPrinterQueueInfo* pQueueInfo,
+                                              ImplJobSetup* pSetupData) override;
+    virtual void DestroyInfoPrinter(SalInfoPrinter* pPrinter) override;
+    virtual std::unique_ptr<SalPrinter> CreatePrinter(SalInfoPrinter* pInfoPrinter) override;
+    virtual void GetPrinterQueueInfo(ImplPrnQueueList* pList) override;
+    virtual void GetPrinterQueueState(SalPrinterQueueInfo* pInfo) override;
+    virtual OUString GetDefaultPrinter() override;
+    virtual void PostPrintersChanged() override;
+
+    virtual std::unique_ptr<SalMenu> CreateMenu(bool, Menu*) override;
+    virtual std::unique_ptr<SalMenuItem> CreateMenuItem(const SalItemParams&) override;
+
+    virtual SalTimer* CreateSalTimer() override;
+    virtual SalSystem* CreateSalSystem() override;
+    virtual std::shared_ptr<SalBitmap> CreateSalBitmap() override;
+
+    virtual bool DoYield(bool bWait, bool bHandleAllCurrentEvents) override;
+    virtual bool AnyInput(VclInputFlags nType) override;
+
+// so we fall back to the default abort, instead of duplicating it...
+#ifndef EMSCRIPTEN
+    virtual OpenGLContext* CreateOpenGLContext() override;
+#endif
+
+    virtual OUString GetConnectionIdentifier() override;
+
+    virtual void AddToRecentDocumentList(const OUString& rFileUrl, const OUString& rMimeType,
+                                         const OUString& rDocumentService) override;
+
+    virtual std::unique_ptr<GenPspGraphics> CreatePrintGraphics() override;
+
+    virtual bool IsMainThread() const override;
+
+    virtual void TriggerUserEventProcessing() override;
+    virtual void ProcessEvent(SalUserEvent aEvent) override;
+
+    bool hasNativeFileSelection() const override { return true; }
+    css::uno::Reference<css::ui::dialogs::XFilePicker2>
+    createFilePicker(const css::uno::Reference<css::uno::XComponentContext>&) override;
+    css::uno::Reference<css::ui::dialogs::XFolderPicker2>
+    createFolderPicker(const css::uno::Reference<css::uno::XComponentContext>&) override;
+
+    virtual css::uno::Reference<css::uno::XInterface>
+    CreateClipboard(const css::uno::Sequence<css::uno::Any>& i_rArguments) override;
+    virtual css::uno::Reference<css::uno::XInterface>
+    ImplCreateDragSource(const SystemEnvData*) override;
+    virtual css::uno::Reference<css::uno::XInterface>
+    ImplCreateDropTarget(const SystemEnvData*) override;
+
+    void UpdateStyle(bool bFontsChanged);
+
+    void* CreateGStreamerSink(const SystemChildWindow*) override;
+
+    bool DoExecute(int& nExitCode) override;
+    void DoQuit() override;
+
+    QtFrame* activePopup() const { return m_pActivePopup; }
+    void setActivePopup(QtFrame*);
+};
+
+inline QtInstance* GetQtInstance() { return static_cast<QtInstance*>(GetSalInstance()); }
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtMainWindow.hxx b/vcl/inc/qt5/QtMainWindow.hxx
new file mode 100644
index 000000000..29621310b
--- /dev/null
+++ b/vcl/inc/qt5/QtMainWindow.hxx
@@ -0,0 +1,40 @@
+/* -*- 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 <QtWidgets/QWidget>
+#include <QtWidgets/QMainWindow>
+
+#include "QtFrame.hxx"
+
+class QtMainWindow final : public QMainWindow
+{
+    Q_OBJECT
+
+    QtFrame& m_rFrame;
+
+    virtual void closeEvent(QCloseEvent* pEvent) override;
+    void moveEvent(QMoveEvent*) override;
+
+public:
+    QtMainWindow(QtFrame& rFrame, Qt::WindowFlags f = Qt::WindowFlags());
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtMenu.hxx b/vcl/inc/qt5/QtMenu.hxx
new file mode 100644
index 000000000..a1b77687c
--- /dev/null
+++ b/vcl/inc/qt5/QtMenu.hxx
@@ -0,0 +1,132 @@
+/* -*- 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/.
+ */
+
+#pragma once
+
+#include <salmenu.hxx>
+
+#include <QtCore/QObject>
+
+#include <memory>
+
+class MenuItemList;
+class QAbstractButton;
+class QAction;
+class QActionGroup;
+class QButtonGroup;
+class QMenu;
+class QMenuBar;
+class QPushButton;
+class QtMenuItem;
+class QtFrame;
+
+/*
+ * QtMenu can represent
+ * (1) the top-level menu of a menubar, in which case 'mbMenuBar' is true and
+ *     'mpQMenuBar' refers to the corresponding QMenuBar
+ * (2) another kind of menu (like a PopupMenu), in which case the corresponding QMenu
+ *     object is instantiated and owned by this QtMenu (held in 'mpOwnedQMenu').
+ * (3) a "submenu" in an existing menu (like (1)), in which case the corresponding
+ *     QMenu object is owned by the corresponding QtMenuItem.
+ *
+ * For (2) and (3), member 'mpQMenu' points to the corresponding QMenu object.
+ */
+class QtMenu : public QObject, public SalMenu
+{
+    Q_OBJECT
+private:
+    std::vector<QtMenuItem*> maItems;
+    VclPtr<Menu> mpVCLMenu;
+    QtMenu* mpParentSalMenu;
+    QtFrame* mpFrame;
+    bool mbMenuBar;
+    QMenuBar* mpQMenuBar;
+    // self-created QMenu that this QtMenu represents, if applicable (s. comment for class)
+    std::unique_ptr<QMenu> mpOwnedQMenu;
+    // pointer to QMenu owned by the corresponding QtMenuItem or self (-> mpOwnedQMenu)
+    QMenu* mpQMenu;
+    QButtonGroup* m_pButtonGroup;
+
+    void DoFullMenuUpdate(Menu* pMenuBar);
+    static void NativeItemText(OUString& rItemText);
+
+    void InsertMenuItem(QtMenuItem* pSalMenuItem, unsigned nPos);
+
+    void ReinitializeActionGroup(unsigned nPos);
+    void ResetAllActionGroups();
+    void UpdateActionGroupItem(const QtMenuItem* pSalMenuItem);
+    bool validateQMenuBar() const;
+    QPushButton* ImplAddMenuBarButton(const QIcon& rIcon, const QString& rToolTip, int nId);
+    void ImplRemoveMenuBarButton(int nId);
+    void adjustButtonSizes();
+
+public:
+    QtMenu(bool bMenuBar);
+
+    virtual bool VisibleMenuBar() override; // must return TRUE to actually DISPLAY native menu bars
+
+    virtual void InsertItem(SalMenuItem* pSalMenuItem, unsigned nPos) override;
+    virtual void RemoveItem(unsigned nPos) override;
+    virtual void SetSubMenu(SalMenuItem* pSalMenuItem, SalMenu* pSubMenu, unsigned nPos) override;
+    virtual void SetFrame(const SalFrame* pFrame) override;
+    const QtFrame* GetFrame() const;
+    virtual void ShowMenuBar(bool bVisible) override;
+    virtual bool ShowNativePopupMenu(FloatingWindow* pWin, const tools::Rectangle& rRect,
+                                     FloatWinPopupFlags nFlags) override;
+    QtMenu* GetTopLevel();
+    virtual void SetItemBits(unsigned nPos, MenuItemBits nBits) override;
+    virtual void CheckItem(unsigned nPos, bool bCheck) override;
+    virtual void EnableItem(unsigned nPos, bool bEnable) override;
+    virtual void ShowItem(unsigned nPos, bool bShow) override;
+    virtual void SetItemText(unsigned nPos, SalMenuItem* pSalMenuItem,
+                             const OUString& rText) override;
+    virtual void SetItemImage(unsigned nPos, SalMenuItem* pSalMenuItem,
+                              const Image& rImage) override;
+    virtual void SetAccelerator(unsigned nPos, SalMenuItem* pSalMenuItem,
+                                const vcl::KeyCode& rKeyCode, const OUString& rKeyName) override;
+    virtual void GetSystemMenuData(SystemMenuData* pData) override;
+    virtual void ShowCloseButton(bool bShow) override;
+    virtual bool AddMenuBarButton(const SalMenuButtonItem&) override;
+    virtual void RemoveMenuBarButton(sal_uInt16 nId) override;
+    virtual tools::Rectangle GetMenuBarButtonRectPixel(sal_uInt16 nId, SalFrame*) override;
+    virtual int GetMenuBarHeight() const override;
+
+    void SetMenu(Menu* pMenu) { mpVCLMenu = pMenu; }
+    Menu* GetMenu() { return mpVCLMenu; }
+    unsigned GetItemCount() const { return maItems.size(); }
+    QtMenuItem* GetItemAtPos(unsigned nPos) { return maItems[nPos]; }
+
+private slots:
+    static void slotMenuTriggered(QtMenuItem* pQItem);
+    static void slotMenuAboutToShow(QtMenuItem* pQItem);
+    static void slotMenuAboutToHide(QtMenuItem* pQItem);
+    void slotCloseDocument();
+    void slotMenuBarButtonClicked(QAbstractButton*);
+};
+
+class QtMenuItem : public SalMenuItem
+{
+public:
+    QtMenuItem(const SalItemParams*);
+
+    QAction* getAction() const;
+
+    QtMenu* mpParentMenu; // The menu into which this menu item is inserted
+    QtMenu* mpSubMenu; // Submenu of this item (if defined)
+    std::unique_ptr<QAction> mpAction; // action corresponding to this item
+    std::unique_ptr<QMenu> mpMenu; // menu corresponding to this item
+    std::shared_ptr<QActionGroup> mpActionGroup; // empty if it's a separator element
+    sal_uInt16 mnId; // Item ID
+    MenuItemType mnType; // Item type
+    bool mbVisible; // Item visibility.
+    bool mbEnabled; // Item active.
+    Image maImage; // Item image
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtObject.hxx b/vcl/inc/qt5/QtObject.hxx
new file mode 100644
index 000000000..bc5a8e584
--- /dev/null
+++ b/vcl/inc/qt5/QtObject.hxx
@@ -0,0 +1,86 @@
+/* -*- 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 <salobj.hxx>
+#include <vcl/sysdata.hxx>
+
+#include <QtCore/QObject>
+#include <QtGui/QRegion>
+#include <QtWidgets/QWidget>
+
+class QtFrame;
+class QtObjectWidget;
+class QWindow;
+
+class QtObject final : public QObject, public SalObject
+{
+    Q_OBJECT
+
+    SystemEnvData m_aSystemData;
+    QtFrame* m_pParent;
+    QtObjectWidget* m_pQWidget;
+    QRegion m_pRegion;
+    bool m_bForwardKey;
+
+public:
+    QtObject(QtFrame* pParent, bool bShow);
+    ~QtObject() override;
+
+    QtFrame* frame() const { return m_pParent; }
+    inline QWidget* widget() const;
+    QWindow* windowHandle() const;
+    bool forwardKey() const { return m_bForwardKey; }
+
+    virtual void ResetClipRegion() override;
+    virtual void BeginSetClipRegion(sal_uInt32 nRects) override;
+    virtual void UnionClipRegion(tools::Long nX, tools::Long nY, tools::Long nWidth,
+                                 tools::Long nHeight) override;
+    virtual void EndSetClipRegion() override;
+
+    virtual void SetPosSize(tools::Long nX, tools::Long nY, tools::Long nWidth,
+                            tools::Long nHeight) override;
+    virtual void Show(bool bVisible) override;
+
+    virtual void SetForwardKey(bool bEnable) override;
+
+    virtual const SystemEnvData* GetSystemData() const override { return &m_aSystemData; }
+
+    virtual void Reparent(SalFrame* pFrame) override;
+};
+
+class QtObjectWidget final : public QWidget
+{
+    QtObject& m_rParent;
+
+    void focusInEvent(QFocusEvent*) override;
+    void focusOutEvent(QFocusEvent*) override;
+    void mousePressEvent(QMouseEvent*) override;
+    void mouseReleaseEvent(QMouseEvent*) override;
+    void keyPressEvent(QKeyEvent*) override;
+    void keyReleaseEvent(QKeyEvent*) override;
+
+public:
+    explicit QtObjectWidget(QtObject& rParent);
+};
+
+QWidget* QtObject::widget() const { return m_pQWidget; }
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtOpenGLContext.hxx b/vcl/inc/qt5/QtOpenGLContext.hxx
new file mode 100644
index 000000000..8036d5077
--- /dev/null
+++ b/vcl/inc/qt5/QtOpenGLContext.hxx
@@ -0,0 +1,50 @@
+/* -*- 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 <vcl/opengl/OpenGLContext.hxx>
+
+class QWindow;
+class QOpenGLContext;
+
+class QtOpenGLContext final : public OpenGLContext
+{
+public:
+    virtual void initWindow() override;
+
+private:
+    virtual const GLWindow& getOpenGLWindow() const override { return m_aGLWin; }
+    virtual GLWindow& getModifiableOpenGLWindow() override { return m_aGLWin; }
+    virtual bool ImplInit() override;
+
+    virtual void makeCurrent() override;
+    virtual void destroyCurrentContext() override;
+    virtual bool isCurrent() override;
+    virtual bool isAnyCurrent() override;
+    virtual void resetCurrent() override;
+    virtual void swapBuffers() override;
+
+    static bool g_bAnyCurrent;
+
+    GLWindow m_aGLWin;
+
+    QWindow* m_pWindow;
+    QOpenGLContext* m_pContext;
+};
diff --git a/vcl/inc/qt5/QtPainter.hxx b/vcl/inc/qt5/QtPainter.hxx
new file mode 100644
index 000000000..9702a19bd
--- /dev/null
+++ b/vcl/inc/qt5/QtPainter.hxx
@@ -0,0 +1,68 @@
+/* -*- 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 <QtCore/QRectF>
+#include <QtGui/QPainter>
+#include <QtWidgets/QWidget>
+
+#include "QtFrame.hxx"
+#include "QtGraphics.hxx"
+
+class QtPainter final : public QPainter
+{
+    QtGraphicsBackend& m_rGraphics;
+    QRegion m_aRegion;
+
+public:
+    QtPainter(QtGraphicsBackend& rGraphics, bool bPrepareBrush = false,
+              sal_uInt8 nTransparency = 255);
+    ~QtPainter()
+    {
+        if (m_rGraphics.m_pFrame && !m_aRegion.isEmpty())
+            m_rGraphics.m_pFrame->GetQWidget()->update(m_aRegion);
+    }
+
+    void update(int nx, int ny, int nw, int nh)
+    {
+        if (m_rGraphics.m_pFrame)
+            m_aRegion += scaledQRect({ nx, ny, nw, nh }, 1 / m_rGraphics.devicePixelRatioF());
+    }
+
+    void update(const QRect& rRect)
+    {
+        if (m_rGraphics.m_pFrame)
+            m_aRegion += scaledQRect(rRect, 1 / m_rGraphics.devicePixelRatioF());
+    }
+
+    void update(const QRectF& rRectF)
+    {
+        if (m_rGraphics.m_pFrame)
+            update(scaledQRect(rRectF.toAlignedRect(), 1 / m_rGraphics.devicePixelRatioF()));
+    }
+
+    void update()
+    {
+        if (m_rGraphics.m_pFrame)
+            m_aRegion += m_rGraphics.m_pFrame->GetQWidget()->rect();
+    }
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtPrinter.hxx b/vcl/inc/qt5/QtPrinter.hxx
new file mode 100644
index 000000000..5aacfd44e
--- /dev/null
+++ b/vcl/inc/qt5/QtPrinter.hxx
@@ -0,0 +1,32 @@
+/* -*- 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 <unx/genprn.h>
+
+class SalFrame;
+
+class QtPrinter final : public PspSalPrinter
+{
+public:
+    QtPrinter(SalInfoPrinter* pInfoPrinter);
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtSvpGraphics.hxx b/vcl/inc/qt5/QtSvpGraphics.hxx
new file mode 100644
index 000000000..da3786eee
--- /dev/null
+++ b/vcl/inc/qt5/QtSvpGraphics.hxx
@@ -0,0 +1,54 @@
+/* -*- 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 <vclpluginapi.h>
+#include <headless/svpgdi.hxx>
+
+#include "QtGraphicsBase.hxx"
+
+class QtFrame;
+
+class VCLPLUG_QT_PUBLIC QtSvpGraphics final : public SvpSalGraphics, public QtGraphicsBase
+{
+    QtFrame* const m_pFrame;
+
+    void handleDamage(const tools::Rectangle&) override;
+
+public:
+    QtSvpGraphics(QtFrame* pFrame);
+    ~QtSvpGraphics() override;
+
+    void updateQWidget() const;
+
+#if ENABLE_CAIRO_CANVAS
+    bool SupportsCairo() const override;
+    cairo::SurfaceSharedPtr
+    CreateSurface(const cairo::CairoSurfaceSharedPtr& rSurface) const override;
+    cairo::SurfaceSharedPtr CreateSurface(const OutputDevice& rRefDevice, int x, int y, int width,
+                                          int height) const override;
+#endif // ENABLE_CAIRO_CANVAS
+
+    virtual void GetResolution(sal_Int32& rDPIX, sal_Int32& rDPIY) override;
+
+    virtual OUString getRenderBackendName() const override { return "qt5svp"; }
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtSvpSurface.hxx b/vcl/inc/qt5/QtSvpSurface.hxx
new file mode 100644
index 000000000..2c2b29cff
--- /dev/null
+++ b/vcl/inc/qt5/QtSvpSurface.hxx
@@ -0,0 +1,44 @@
+/* -*- 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/.
+ */
+
+#pragma once
+
+#include <sal/config.h>
+
+#include <vcl/cairo.hxx>
+
+class QtSvpGraphics;
+class OutputDevice;
+
+namespace cairo
+{
+class QtSvpSurface final : public Surface
+{
+    const QtSvpGraphics* m_pGraphics;
+    cairo_t* const m_pCairoContext;
+    CairoSurfaceSharedPtr m_pSurface;
+
+public:
+    /// takes over ownership of passed cairo_surface
+    explicit QtSvpSurface(const CairoSurfaceSharedPtr& pSurface);
+    /// create surface on subarea of given drawable
+    explicit QtSvpSurface(const QtSvpGraphics* pGraphics, int x, int y, int width, int height);
+    ~QtSvpSurface() override;
+
+    // Surface interface
+    CairoSharedPtr getCairo() const override;
+    CairoSurfaceSharedPtr getCairoSurface() const override { return m_pSurface; }
+    SurfaceSharedPtr getSimilar(int nContentType, int width, int height) const override;
+
+    VclPtr<VirtualDevice> createVirtualDevice() const override;
+    void flush() const override;
+};
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtSystem.hxx b/vcl/inc/qt5/QtSystem.hxx
new file mode 100644
index 000000000..6992e381c
--- /dev/null
+++ b/vcl/inc/qt5/QtSystem.hxx
@@ -0,0 +1,23 @@
+/* -*- 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/.
+ */
+
+#pragma once
+
+#include <unx/gensys.h>
+
+class QtSystem final : public SalGenericSystem
+{
+public:
+    virtual unsigned int GetDisplayScreenCount() override;
+    virtual tools::Rectangle GetDisplayScreenPosSizePixel(unsigned int nScreen) override;
+    virtual int ShowNativeDialog(const OUString& rTitle, const OUString& rMessage,
+                                 const std::vector<OUString>& rButtons) override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtTimer.hxx b/vcl/inc/qt5/QtTimer.hxx
new file mode 100644
index 000000000..204b1bfe4
--- /dev/null
+++ b/vcl/inc/qt5/QtTimer.hxx
@@ -0,0 +1,49 @@
+/* -*- 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 <saltimer.hxx>
+#include <QtCore/QTimer>
+
+class QtTimer final : public QObject, public SalTimer
+{
+    Q_OBJECT
+
+    QTimer m_aTimer;
+
+private Q_SLOTS:
+    void timeoutActivated();
+    void startTimer(int);
+    void stopTimer();
+
+Q_SIGNALS:
+    void startTimerSignal(int);
+    void stopTimerSignal();
+
+public:
+    QtTimer();
+
+    int remainingTime() const { return m_aTimer.remainingTime(); }
+
+    virtual void Start(sal_uInt64 nMS) override;
+    virtual void Stop() override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtTools.hxx b/vcl/inc/qt5/QtTools.hxx
new file mode 100644
index 000000000..ecaa7075a
--- /dev/null
+++ b/vcl/inc/qt5/QtTools.hxx
@@ -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 .
+ */
+
+#pragma once
+
+#include <QtCore/QPoint>
+#include <QtCore/QRect>
+#include <QtCore/QSize>
+#include <QtCore/QString>
+#include <QtGui/QImage>
+
+#include <rtl/string.hxx>
+#include <rtl/ustring.hxx>
+#include <tools/color.hxx>
+#include <tools/gen.hxx>
+#include <vcl/bitmap/BitmapTypes.hxx>
+
+#include <com/sun/star/uno/Sequence.hxx>
+#include <com/sun/star/datatransfer/dnd/DNDConstants.hpp>
+
+#include <memory>
+
+class Image;
+class QImage;
+
+inline OUString toOUString(const QString& s)
+{
+    // QString stores UTF16, just like OUString
+    return OUString(reinterpret_cast<const sal_Unicode*>(s.data()), s.length());
+}
+
+inline QString toQString(const OUString& s)
+{
+    return QString::fromUtf16(s.getStr(), s.getLength());
+}
+
+inline QRect toQRect(const tools::Rectangle& rRect)
+{
+    return QRect(rRect.Left(), rRect.Top(), rRect.GetWidth(), rRect.GetHeight());
+}
+
+inline QRect toQRect(const tools::Rectangle& rRect, const qreal fScale)
+{
+    return QRect(floor(rRect.Left() * fScale), floor(rRect.Top() * fScale),
+                 ceil(rRect.GetWidth() * fScale), ceil(rRect.GetHeight() * fScale));
+}
+
+inline QRect scaledQRect(const QRect& rRect, const qreal fScale)
+{
+    return QRect(floor(rRect.x() * fScale), floor(rRect.y() * fScale), ceil(rRect.width() * fScale),
+                 ceil(rRect.height() * fScale));
+}
+
+inline tools::Rectangle toRectangle(const QRect& rRect)
+{
+    return tools::Rectangle(rRect.left(), rRect.top(), rRect.right(), rRect.bottom());
+}
+
+inline QSize toQSize(const Size& rSize) { return QSize(rSize.Width(), rSize.Height()); }
+
+inline Size toSize(const QSize& rSize) { return Size(rSize.width(), rSize.height()); }
+
+inline Point toPoint(const QPoint& rPoint) { return Point(rPoint.x(), rPoint.y()); }
+
+inline QColor toQColor(const Color& rColor)
+{
+    return QColor(rColor.GetRed(), rColor.GetGreen(), rColor.GetBlue(), rColor.GetAlpha());
+}
+
+Qt::DropActions toQtDropActions(sal_Int8 dragOperation);
+sal_Int8 toVclDropActions(Qt::DropActions dragOperation);
+sal_Int8 toVclDropAction(Qt::DropAction dragOperation);
+Qt::DropAction getPreferredDropAction(sal_Int8 dragOperation);
+
+inline QList<int> toQList(const css::uno::Sequence<sal_Int32>& aSequence)
+{
+    QList<int> aList;
+    for (sal_Int32 i : aSequence)
+    {
+        aList.append(i);
+    }
+    return aList;
+}
+
+constexpr QImage::Format Qt_DefaultFormat32 = QImage::Format_ARGB32;
+
+inline QImage::Format getBitFormat(vcl::PixelFormat ePixelFormat)
+{
+    switch (ePixelFormat)
+    {
+        case vcl::PixelFormat::N1_BPP:
+            return QImage::Format_Mono;
+        case vcl::PixelFormat::N8_BPP:
+            return QImage::Format_Indexed8;
+        case vcl::PixelFormat::N24_BPP:
+            return QImage::Format_RGB888;
+        case vcl::PixelFormat::N32_BPP:
+            return Qt_DefaultFormat32;
+        default:
+            std::abort();
+            break;
+    }
+    return QImage::Format_Invalid;
+}
+
+inline sal_uInt16 getFormatBits(QImage::Format eFormat)
+{
+    switch (eFormat)
+    {
+        case QImage::Format_Mono:
+            return 1;
+        case QImage::Format_Indexed8:
+            return 8;
+        case QImage::Format_RGB888:
+            return 24;
+        case Qt_DefaultFormat32:
+        case QImage::Format_ARGB32_Premultiplied:
+            return 32;
+        default:
+            std::abort();
+            return 0;
+    }
+}
+
+typedef struct _cairo_surface cairo_surface_t;
+struct CairoDeleter
+{
+    void operator()(cairo_surface_t* pSurface) const;
+};
+
+typedef std::unique_ptr<cairo_surface_t, CairoDeleter> UniqueCairoSurface;
+
+sal_uInt16 GetKeyModCode(Qt::KeyboardModifiers eKeyModifiers);
+sal_uInt16 GetMouseModCode(Qt::MouseButtons eButtons);
+
+QImage toQImage(const Image& rImage);
+
+template <typename charT, typename traits>
+inline std::basic_ostream<charT, traits>& operator<<(std::basic_ostream<charT, traits>& stream,
+                                                     const QString& rString)
+{
+    return stream << toOUString(rString);
+}
+
+template <typename charT, typename traits>
+inline std::basic_ostream<charT, traits>& operator<<(std::basic_ostream<charT, traits>& stream,
+                                                     const QRect& rRect)
+{
+    return stream << toRectangle(rRect);
+}
+
+template <typename charT, typename traits>
+inline std::basic_ostream<charT, traits>& operator<<(std::basic_ostream<charT, traits>& stream,
+                                                     const QSize& rSize)
+{
+    return stream << toSize(rSize);
+}
+
+template <typename charT, typename traits>
+inline std::basic_ostream<charT, traits>& operator<<(std::basic_ostream<charT, traits>& stream,
+                                                     const QPoint& rPoint)
+{
+    return stream << toPoint(rPoint);
+}
+
+#define CHECK_QT5_USING_X11 (QT_VERSION < QT_VERSION_CHECK(6, 0, 0) && QT5_USING_X11)
+
+#define CHECK_QT6_USING_X11 (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) && QT6_USING_X11)
+
+#define CHECK_ANY_QT_USING_X11 CHECK_QT5_USING_X11 || CHECK_QT6_USING_X11
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtTransferable.hxx b/vcl/inc/qt5/QtTransferable.hxx
new file mode 100644
index 000000000..5f1533dd5
--- /dev/null
+++ b/vcl/inc/qt5/QtTransferable.hxx
@@ -0,0 +1,128 @@
+/* -*- 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/.
+ *
+ */
+
+#pragma once
+
+#include <cppuhelper/compbase.hxx>
+#include <com/sun/star/datatransfer/XTransferable.hpp>
+
+#include <QtCore/QMimeData>
+#include <QtCore/QStringList>
+#include <QtGui/QClipboard>
+
+/**
+ * QtTransferable classes are used to read QMimeData via the XTransferable
+ * interface. All the functionality is already implemented in the QtTransferable.
+ *
+ * The specialisations map to the two users, which provide QMimeData: the Clipboard
+ * and the Drag'n'Drop functionality.
+ *
+ * LO itself seem to just accept "text/plain;charset=utf-16", so it relies on the
+ * backend to convert to this charset, but still offers "text/plain" itself.
+ *
+ * It's the "mirror" interface of the QtMimeData, which is defined below.
+ **/
+class QtTransferable : public cppu::WeakImplHelper<css::datatransfer::XTransferable>
+{
+    QtTransferable(const QtTransferable&) = delete;
+
+    const QMimeData* m_pMimeData;
+    osl::Mutex m_aMutex;
+    bool m_bProvideUTF16FromOtherEncoding;
+    css::uno::Sequence<css::datatransfer::DataFlavor> m_aMimeTypeSeq;
+
+public:
+    QtTransferable(const QMimeData* pMimeData);
+    const QMimeData* mimeData() const { return m_pMimeData; }
+
+    css::uno::Sequence<css::datatransfer::DataFlavor> SAL_CALL getTransferDataFlavors() override;
+    sal_Bool SAL_CALL isDataFlavorSupported(const css::datatransfer::DataFlavor& rFlavor) override;
+    css::uno::Any SAL_CALL getTransferData(const css::datatransfer::DataFlavor& rFlavor) override;
+};
+
+/**
+ * The QClipboard's QMimeData is volatile. As written in the QClipboard::mimeData
+ * documentation, "the pointer returned might become invalidated when the contents
+ * of the clipboard changes". Therefore it can just be accessed reliably inside
+ * the QClipboard's object thread, which is the QApplication's thread, so all of
+ * the access has to go through RunInMainThread().
+ *
+ * If we detect a QMimeData change, we simply drop reporting any content. In theory
+ * we can recover in the case where there hadn't been any calls of the XTransferable
+ * interface, but currently we don't. But we ensure to never report mixed content,
+ * so we'll just cease operation on QMimeData change.
+ **/
+class QtClipboardTransferable final : public QtTransferable
+{
+    // to detect in-flight QMimeData changes
+    const QClipboard::Mode m_aMode;
+
+    bool hasInFlightChanged() const;
+
+public:
+    explicit QtClipboardTransferable(const QClipboard::Mode aMode, const QMimeData* pMimeData);
+
+    // these are the same then QtTransferable, except they go through RunInMainThread
+    css::uno::Sequence<css::datatransfer::DataFlavor> SAL_CALL getTransferDataFlavors() override;
+    sal_Bool SAL_CALL isDataFlavorSupported(const css::datatransfer::DataFlavor& rFlavor) override;
+    css::uno::Any SAL_CALL getTransferData(const css::datatransfer::DataFlavor& rFlavor) override;
+};
+
+/**
+ * Convenience typedef for better code readability
+ *
+ * This just uses the QMimeData provided by the QWidgets D'n'D events.
+ **/
+typedef QtTransferable QtDnDTransferable;
+
+/**
+ * A lazy loading QMimeData for XTransferable reads
+ *
+ * This is an interface class to make a XTransferable read accessible as a
+ * QMimeData. The mime data is just stored inside the XTransferable, never
+ * in the QMimeData itself! It's objects are just used for QClipboard to read
+ * the XTransferable data.
+ *
+ * Like XTransferable itself, this class should be considered an immutable
+ * container for mime data. There is no need to ever set any of its data.
+ *
+ * LO will offer at least UTF-16, if there is a viable text representation.
+ * If LO misses to offer a UTF-8 or a locale encoded string, these objects
+ * will offer them themselves and convert from UTF-16 on demand.
+ *
+ * It's the "mirror" interface of the QtTransferable.
+ **/
+class QtMimeData final : public QMimeData
+{
+    friend class QtClipboardTransferable;
+
+    const css::uno::Reference<css::datatransfer::XTransferable> m_aContents;
+    mutable bool m_bHaveNoCharset; // = uses the locale charset
+    mutable bool m_bHaveUTF8;
+    mutable QStringList m_aMimeTypeList;
+
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+    QVariant retrieveData(const QString& mimeType, QVariant::Type type) const override;
+#else
+    QVariant retrieveData(const QString& mimeType, QMetaType type) const override;
+#endif
+
+public:
+    explicit QtMimeData(const css::uno::Reference<css::datatransfer::XTransferable>& aContents);
+
+    bool hasFormat(const QString& mimeType) const override;
+    QStringList formats() const override;
+
+    bool deepCopy(QMimeData** const) const;
+
+    css::datatransfer::XTransferable* xTransferable() const { return m_aContents.get(); }
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtVirtualDevice.hxx b/vcl/inc/qt5/QtVirtualDevice.hxx
new file mode 100644
index 000000000..2481f63d0
--- /dev/null
+++ b/vcl/inc/qt5/QtVirtualDevice.hxx
@@ -0,0 +1,56 @@
+/* -*- 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 <salvd.hxx>
+
+#include <memory>
+#include <vector>
+
+#include <QtCore/QSize>
+
+class QtGraphics;
+class QImage;
+enum class DeviceFormat;
+
+class QtVirtualDevice final : public SalVirtualDevice
+{
+    std::vector<QtGraphics*> m_aGraphics;
+    std::unique_ptr<QImage> m_pImage;
+    QSize m_aFrameSize;
+    double m_fScale;
+
+public:
+    QtVirtualDevice(double fScale);
+
+    // SalVirtualDevice
+    virtual SalGraphics* AcquireGraphics() override;
+    virtual void ReleaseGraphics(SalGraphics* pGraphics) override;
+
+    virtual bool SetSize(tools::Long nNewDX, tools::Long nNewDY) override;
+    virtual bool SetSizeUsingBuffer(tools::Long nNewDX, tools::Long nNewDY,
+                                    sal_uInt8* pBuffer) override;
+
+    // SalGeometryProvider
+    virtual tools::Long GetWidth() const override;
+    virtual tools::Long GetHeight() const override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtWidget.hxx b/vcl/inc/qt5/QtWidget.hxx
new file mode 100644
index 000000000..e644e7f70
--- /dev/null
+++ b/vcl/inc/qt5/QtWidget.hxx
@@ -0,0 +1,123 @@
+/* -*- 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 <QtCore/QRect>
+#include <QtWidgets/QWidget>
+#include <rtl/ustring.hxx>
+
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/accessibility/XAccessibleEditableText.hpp>
+
+class QInputEvent;
+class QtFrame;
+class QtObject;
+struct SalAbstractMouseEvent;
+
+class QtWidget : public QWidget
+{
+    Q_OBJECT
+
+    QtFrame& m_rFrame;
+    bool m_bNonEmptyIMPreeditSeen;
+    mutable bool m_bInInputMethodQueryCursorRectangle;
+    mutable QRect m_aImCursorRectangle;
+    int m_nDeltaX;
+    int m_nDeltaY;
+
+    enum class ButtonKeyState
+    {
+        Pressed,
+        Released
+    };
+
+    static void commitText(QtFrame&, const QString& aText);
+    static void deleteReplacementText(QtFrame& rFrame, int nReplacementStart,
+                                      int nReplacementLength);
+    static bool handleKeyEvent(QtFrame&, const QWidget&, QKeyEvent*, const ButtonKeyState);
+    static void handleMouseButtonEvent(const QtFrame&, const QMouseEvent*, const ButtonKeyState);
+    static void handleMouseEnterLeaveEvents(const QtFrame&, QEvent*);
+    static void fillSalAbstractMouseEvent(const QtFrame& rFrame, const QInputEvent* pQEvent,
+                                          const QPoint& rPos, Qt::MouseButtons eButtons, int nWidth,
+                                          SalAbstractMouseEvent& aSalEvent);
+
+    virtual bool event(QEvent*) override;
+
+    virtual void focusInEvent(QFocusEvent*) override;
+    virtual void focusOutEvent(QFocusEvent*) override;
+    // keyPressEvent(QKeyEvent*) is handled via event(QEvent*); see comment
+    virtual void keyReleaseEvent(QKeyEvent*) override;
+    virtual void mouseMoveEvent(QMouseEvent*) override;
+    virtual void mousePressEvent(QMouseEvent*) override;
+    virtual void mouseReleaseEvent(QMouseEvent*) override;
+    virtual void dragEnterEvent(QDragEnterEvent*) override;
+    virtual void dragLeaveEvent(QDragLeaveEvent*) override;
+    virtual void dragMoveEvent(QDragMoveEvent*) override;
+    virtual void dropEvent(QDropEvent*) override;
+    virtual void moveEvent(QMoveEvent*) override;
+    virtual void paintEvent(QPaintEvent*) override;
+    virtual void resizeEvent(QResizeEvent*) override;
+    virtual void showEvent(QShowEvent*) override;
+    virtual void hideEvent(QHideEvent*) override;
+    virtual void wheelEvent(QWheelEvent*) override;
+    virtual void closeEvent(QCloseEvent*) override;
+    virtual void changeEvent(QEvent*) override;
+    virtual void leaveEvent(QEvent*) override;
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+    virtual void enterEvent(QEnterEvent*) override;
+#else
+    virtual void enterEvent(QEvent*) override;
+#endif
+
+    void inputMethodEvent(QInputMethodEvent*) override;
+    QVariant inputMethodQuery(Qt::InputMethodQuery) const override;
+    static void closePopup();
+
+public:
+    QtWidget(QtFrame& rFrame, Qt::WindowFlags f = Qt::WindowFlags());
+
+    QtFrame& frame() const { return m_rFrame; }
+    void endExtTextInput();
+    void fakeResize();
+
+    static bool handleEvent(QtFrame&, QWidget&, QEvent*);
+    // key events might be propagated further down => call base on false
+    static inline bool handleKeyReleaseEvent(QtFrame&, const QWidget&, QKeyEvent*);
+    // mouse events are always accepted
+    static inline void handleMousePressEvent(const QtFrame&, const QMouseEvent*);
+    static inline void handleMouseReleaseEvent(const QtFrame&, const QMouseEvent*);
+};
+
+bool QtWidget::handleKeyReleaseEvent(QtFrame& rFrame, const QWidget& rWidget, QKeyEvent* pEvent)
+{
+    return handleKeyEvent(rFrame, rWidget, pEvent, ButtonKeyState::Released);
+}
+
+void QtWidget::handleMousePressEvent(const QtFrame& rFrame, const QMouseEvent* pEvent)
+{
+    handleMouseButtonEvent(rFrame, pEvent, ButtonKeyState::Pressed);
+}
+
+void QtWidget::handleMouseReleaseEvent(const QtFrame& rFrame, const QMouseEvent* pEvent)
+{
+    handleMouseButtonEvent(rFrame, pEvent, ButtonKeyState::Released);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/qt5/QtXAccessible.hxx b/vcl/inc/qt5/QtXAccessible.hxx
new file mode 100644
index 000000000..4f4285e80
--- /dev/null
+++ b/vcl/inc/qt5/QtXAccessible.hxx
@@ -0,0 +1,34 @@
+/* -*- 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/.
+ */
+
+#pragma once
+
+#include <vclpluginapi.h>
+
+#include <QtCore/QObject>
+
+#include <com/sun/star/accessibility/XAccessible.hpp>
+
+#include <vcl/window.hxx>
+
+class QtFrame;
+class QtWidget;
+
+// Wrapper class to hold a css::accessibility::XAccessible object
+// while being able to pass it as a QObject
+class QtXAccessible : public QObject
+{
+    Q_OBJECT
+
+public:
+    QtXAccessible(css::uno::Reference<css::accessibility::XAccessible> xAccessible);
+    css::uno::Reference<css::accessibility::XAccessible> m_xAccessible;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */