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diff --git a/include/vcl/ITiledRenderable.hxx b/include/vcl/ITiledRenderable.hxx
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+/* -*- 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/.
+ *
+ */
+
+#ifndef INCLUDED_VCL_ITILEDRENDERABLE_HXX
+#define INCLUDED_VCL_ITILEDRENDERABLE_HXX
+
+#include <tools/gen.hxx>
+#include <rtl/ustring.hxx>
+#include <vcl/dllapi.h>
+#include <vcl/ptrstyle.hxx>
+#include <vcl/vclptr.hxx>
+#include <map>
+#include <com/sun/star/datatransfer/XTransferable.hpp>
+
+namespace com::sun::star::beans { struct PropertyValue; }
+namespace com::sun::star::datatransfer::clipboard { class XClipboard; }
+namespace com::sun::star::uno { template <class interface_type> class Reference; }
+namespace com::sun::star::uno { template <typename > class Sequence; }
+namespace vcl { class Window; }
+
+class VirtualDevice;
+
+namespace vcl
+{
+    /*
+     * Map directly to css cursor styles to avoid further mapping in the client.
+     * Gtk (via gdk_cursor_new_from_name) also supports the same css cursor styles.
+     *
+     * This was created partially with help of the mappings in gtkdata.cxx.
+     * The list is incomplete as some cursor style simply aren't supported
+     * by css, it might turn out to be worth mapping some of these missing cursors
+     * to available cursors?
+     */
+    extern const std::map <PointerStyle, OString> gaLOKPointerMap;
+
+
+class VCL_DLLPUBLIC ITiledRenderable
+{
+public:
+
+    typedef std::map<const OUString, OUString>  StringMap;
+
+    virtual ~ITiledRenderable();
+
+    /**
+     * Paint a tile to a given VirtualDevice.
+     *
+     * Output parameters are measured in pixels, tile parameters are in
+     * twips.
+     */
+    virtual void paintTile( VirtualDevice &rDevice,
+                            int nOutputWidth,
+                            int nOutputHeight,
+                            int nTilePosX,
+                            int nTilePosY,
+                            long nTileWidth,
+                            long nTileHeight ) = 0;
+
+    /**
+     * Get the document size in twips.
+     */
+    virtual Size getDocumentSize() = 0;
+
+    /**
+     * Set the document "part", i.e. slide for a slideshow, and
+     * tab for a spreadsheet.
+     */
+    virtual void setPart( int ) {}
+
+    /**
+     * Get the number of parts -- see setPart for further details.
+     */
+    virtual int getParts()
+    {
+        return 1;
+    }
+
+    /**
+     * Get the currently displayed/selected part -- see setPart for further
+     * details.
+     */
+    virtual int getPart()
+    {
+        return 0;
+    }
+
+    /**
+     * Get the name of the currently displayed part, i.e. sheet in a spreadsheet
+     * or slide in a presentation.
+     */
+    virtual OUString getPartName(int)
+    {
+        return OUString();
+    }
+
+    /**
+     * Get the vcl::Window for the document being edited
+     */
+    virtual VclPtr<vcl::Window> getDocWindow() = 0;
+
+    /**
+     * Get the hash of the currently displayed part, i.e. sheet in a spreadsheet
+     * or slide in a presentation.
+     */
+    virtual OUString getPartHash(int nPart) = 0;
+
+    /// @see lok::Document::setPartMode().
+    virtual void setPartMode(int) {}
+
+    /**
+     * Setup various document properties that are needed for the document to
+     * be renderable via tiled rendering.
+     */
+    virtual void initializeForTiledRendering(const css::uno::Sequence<css::beans::PropertyValue>& rArguments) = 0;
+
+    /**
+     * Posts a keyboard event on the document.
+     *
+     * @see lok::Document::postKeyEvent().
+     */
+    virtual void postKeyEvent(int nType, int nCharCode, int nKeyCode) = 0;
+
+    /**
+     * Posts a mouse event on the document.
+     *
+     * @see lok::Document::postMouseEvent().
+     */
+    virtual void postMouseEvent(int nType, int nX, int nY, int nCount, int nButtons, int nModifier) = 0;
+
+    /**
+     * Sets the start or end of a text selection.
+     *
+     * @see lok::Document::setTextSelection().
+     */
+    virtual void setTextSelection(int nType, int nX, int nY) = 0;
+
+    /**
+     * Gets the selection as a transferable for later processing
+     */
+    virtual css::uno::Reference<css::datatransfer::XTransferable> getSelection() = 0;
+
+    /**
+     * Adjusts the graphic selection.
+     *
+     * @see lok::Document::setGraphicSelection().
+     */
+    virtual void setGraphicSelection(int nType, int nX, int nY) = 0;
+
+    /**
+     * @see lok::Document::resetSelection().
+     */
+    virtual void resetSelection() = 0;
+
+    /**
+     * @see lok::Document::getPartPageRectangles().
+     */
+    virtual OUString getPartPageRectangles()
+    {
+        return OUString();
+    }
+
+    /**
+     * Get position and content of row/column headers of Calc documents.
+     *
+     * @param rRectangle - if not empty, then limit the output only to the area of this rectangle
+     * @return a JSON describing position/content of rows/columns
+     */
+    virtual OUString getRowColumnHeaders(const tools::Rectangle& /*rRectangle*/)
+    {
+        return OUString();
+    }
+
+    /**
+     * Get position and size of cell cursor in Calc - as JSON in the
+     * current' views' co-ordinate system.
+     * (This could maybe also be used for tables in Writer/Impress in future?)
+     */
+    virtual OString getCellCursor()
+    {
+        return OString();
+    }
+
+    virtual PointerStyle getPointer() = 0;
+
+    /// Sets the clipboard of the component.
+    virtual void setClipboard(const css::uno::Reference<css::datatransfer::clipboard::XClipboard>& xClipboard) = 0;
+
+    /// If the current contents of the clipboard is something we can paste.
+    virtual bool isMimeTypeSupported() = 0;
+
+    /**
+     * Save the client's view so that we can compute the right zoom level
+     * for the mouse events.
+     * @param nTilePixelWidth - tile width in pixels
+     * @param nTilePixelHeight - tile height in pixels
+     * @param nTileTwipWidth - tile width in twips
+     * @param nTileTwipHeight - tile height in twips
+     */
+    virtual void setClientZoom(int /*nTilePixelWidth*/,
+                               int /*nTilePixelHeight*/,
+                               int /*nTileTwipWidth*/,
+                               int /*nTileTwipHeight*/)
+    {}
+
+    /// @see lok::Document::setClientVisibleArea().
+    virtual void setClientVisibleArea(const tools::Rectangle& /*rRectangle*/)
+    {
+    }
+
+    /**
+     * Show/Hide a single row/column header outline for Calc documents.
+     *
+     * @param bColumn - if we are dealing with a column or row group
+     * @param nLevel - the level to which the group belongs
+     * @param nIndex - the group entry index
+     * @param bHidden - the new group state (collapsed/expanded)
+     */
+    virtual void setOutlineState(bool /*bColumn*/, int /*nLevel*/, int /*nIndex*/, bool /*bHidden*/)
+    {
+        return;
+    }
+
+    /// Implementation for
+    /// lok::Document::getCommandValues(".uno:AcceptTrackedChanges") when there
+    /// is no matching UNO API.
+    virtual OUString getTrackedChanges()
+    {
+        return OUString();
+    }
+
+    /// Implementation for
+    /// lok::Document::getCommandValues(".uno:TrackedChangeAuthors").
+    virtual OUString getTrackedChangeAuthors()
+    {
+        return OUString();
+    }
+
+    /// Implementation for
+    /// lok::Document::getCommandValues(".uno:ViewAnnotations");
+    virtual OUString getPostIts()
+    {
+        return OUString();
+    }
+
+    /// Implementation for
+    /// lok::Document::getCommandValues(".uno:ViewAnnotationsPosition");
+    virtual OUString getPostItsPos()
+    {
+        return OUString();
+    }
+
+    /// Implementation for
+    /// lok::Document::getCommandValues(".uno:RulerState");
+    virtual OUString getRulerState()
+    {
+        return OUString();
+    }
+
+    /*
+     * Used for sheets in spreadsheet documents,
+     * and slides in presentation documents.
+     */
+    virtual OUString getPartInfo(int /*nPart*/)
+    {
+        return OUString();
+    }
+
+    /**
+     * Select/Unselect a document "part", i.e. slide for a slideshow, and
+     * tab for a spreadsheet(?).
+     * nSelect: 0 to deselect, 1 to select, and 2 to toggle.
+     */
+    virtual void selectPart(int /*nPart*/, int /*nSelect*/) {}
+
+    /**
+     * Move selected pages/slides to a new position.
+     * nPosition: the new position to move to.
+     * bDuplicate: to copy (true), or to move (false).
+     */
+    virtual void moveSelectedParts(int /*nPosition*/, bool /*bDuplicate*/) {}
+
+    /// @see lok::Document::completeFunction().
+    virtual void completeFunction(const OUString& /*rFunctionName*/)
+    {
+    }
+
+    /**
+     * It can happen that the underlying implementation is being disposed, but
+     * somebody is trying to access the data...
+     */
+    virtual bool isDisposed() const
+    {
+        return false;
+    }
+
+    /**
+     * Execute a form field event in the document.
+     * E.g. select an item from a drop down field's list.
+     */
+    virtual void executeFromFieldEvent(const StringMap&)
+    {
+    }
+};
+} // namespace vcl
+
+#endif // INCLUDED_VCL_ITILEDRENDERABLE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */