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

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

6 files changed, 3455 insertions, 0 deletions

diff --git a/include/LibreOfficeKit/LibreOfficeKit.h b/include/LibreOfficeKit/LibreOfficeKit.h
new file mode 100644
index 000000000..aff71dcc1
--- /dev/null
+++ b/include/LibreOfficeKit/LibreOfficeKit.h
@@ -0,0 +1,491 @@
+/* -*- 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_LIBREOFFICEKIT_LIBREOFFICEKIT_H
+#define INCLUDED_LIBREOFFICEKIT_LIBREOFFICEKIT_H
+
+#include <stddef.h>
+
+// the unstable API needs C99's bool
+// TODO remove the C99 types from the API before making stable
+#if defined LOK_USE_UNSTABLE_API || defined LIBO_INTERNAL_ONLY
+# ifndef _WIN32
+#  include <stdbool.h>
+# endif
+# include <stdint.h>
+#endif
+
+#include <LibreOfficeKit/LibreOfficeKitTypes.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+typedef struct _LibreOfficeKit LibreOfficeKit;
+typedef struct _LibreOfficeKitClass LibreOfficeKitClass;
+
+typedef struct _LibreOfficeKitDocument LibreOfficeKitDocument;
+typedef struct _LibreOfficeKitDocumentClass LibreOfficeKitDocumentClass;
+
+// Do we have an extended member in this struct ?
+#define LIBREOFFICEKIT_HAS_MEMBER(strct,member,nSize) \
+    (offsetof(strct, member) < (nSize))
+
+#define LIBREOFFICEKIT_HAS(pKit,member) LIBREOFFICEKIT_HAS_MEMBER(LibreOfficeKitClass,member,(pKit)->pClass->nSize)
+
+struct _LibreOfficeKit
+{
+    LibreOfficeKitClass* pClass;
+};
+
+struct _LibreOfficeKitClass
+{
+    size_t  nSize;
+
+    void (*destroy) (LibreOfficeKit* pThis);
+
+    LibreOfficeKitDocument* (*documentLoad) (LibreOfficeKit* pThis,
+                                             const char* pURL);
+
+    char* (*getError) (LibreOfficeKit* pThis);
+
+    /// @since LibreOffice 5.0
+    LibreOfficeKitDocument* (*documentLoadWithOptions) (LibreOfficeKit* pThis,
+                                                        const char* pURL,
+                                                        const char* pOptions);
+    /// @since LibreOffice 5.2
+    void (*freeError) (char* pFree);
+
+    /// @since LibreOffice 6.0
+    void (*registerCallback) (LibreOfficeKit* pThis,
+                              LibreOfficeKitCallback pCallback,
+                              void* pData);
+
+    /** @see lok::Office::getFilterTypes().
+        @since LibreOffice 6.0
+     */
+    char* (*getFilterTypes) (LibreOfficeKit* pThis);
+
+    /** @see lok::Office::setOptionalFeatures().
+        @since LibreOffice 6.0
+     */
+    void (*setOptionalFeatures)(LibreOfficeKit* pThis, unsigned long long features);
+
+    /** @see lok::Office::setDocumentPassword().
+        @since LibreOffice 6.0
+     */
+    void (*setDocumentPassword) (LibreOfficeKit* pThis,
+            char const* pURL,
+            char const* pPassword);
+
+    /** @see lok::Office::getVersionInfo().
+        @since LibreOffice 6.0
+     */
+    char* (*getVersionInfo) (LibreOfficeKit* pThis);
+
+    /** @see lok::Office::runMacro().
+        @since LibreOffice 6.0
+     */
+    int (*runMacro) (LibreOfficeKit *pThis, const char* pURL);
+
+    /** @see lok::Office::signDocument().
+        @since LibreOffice 6.2
+     */
+     bool (*signDocument) (LibreOfficeKit* pThis,
+                           const char* pUrl,
+                           const unsigned char* pCertificateBinary,
+                           const int nCertificateBinarySize,
+                           const unsigned char* pPrivateKeyBinary,
+                           const int nPrivateKeyBinarySize);
+
+    /// @see lok::Office::runLoop()
+    void (*runLoop) (LibreOfficeKit* pThis,
+                     LibreOfficeKitPollCallback pPollCallback,
+                     LibreOfficeKitWakeCallback pWakeCallback,
+                     void* pData);
+
+    /// @see lok::Office::sendDialogEvent
+    void (*sendDialogEvent) (LibreOfficeKit* pThis,
+                            unsigned long long int nLOKWindowId,
+                            const char* pArguments);
+
+    /// @see lok::Office::setOption
+    void (*setOption) (LibreOfficeKit* pThis, const char* pOption, const char* pValue);
+};
+
+#define LIBREOFFICEKIT_DOCUMENT_HAS(pDoc,member) LIBREOFFICEKIT_HAS_MEMBER(LibreOfficeKitDocumentClass,member,(pDoc)->pClass->nSize)
+
+struct _LibreOfficeKitDocument
+{
+    LibreOfficeKitDocumentClass* pClass;
+};
+
+struct _LibreOfficeKitDocumentClass
+{
+    size_t  nSize;
+
+    void (*destroy) (LibreOfficeKitDocument* pThis);
+
+    int (*saveAs) (LibreOfficeKitDocument* pThis,
+                   const char* pUrl,
+                   const char* pFormat,
+                   const char* pFilterOptions);
+
+    /** @see lok::Document::getDocumentType().
+        @since LibreOffice 6.0
+     */
+    int (*getDocumentType) (LibreOfficeKitDocument* pThis);
+
+#if defined LOK_USE_UNSTABLE_API || defined LIBO_INTERNAL_ONLY
+    /// @see lok::Document::getParts().
+    int (*getParts) (LibreOfficeKitDocument* pThis);
+
+    /// @see lok::Document::getPartPageRectangles().
+    char* (*getPartPageRectangles) (LibreOfficeKitDocument* pThis);
+
+    /// @see lok::Document::getPart().
+    int (*getPart) (LibreOfficeKitDocument* pThis);
+
+    /// @see lok::Document::setPart().
+    void (*setPart) (LibreOfficeKitDocument* pThis,
+                     int nPart);
+
+    /// @see lok::Document::getPartName().
+    char* (*getPartName) (LibreOfficeKitDocument* pThis,
+                          int nPart);
+
+    /// @see lok::Document::setPartMode().
+    void (*setPartMode) (LibreOfficeKitDocument* pThis,
+                         int nMode);
+
+    /// @see lok::Document::paintTile().
+    void (*paintTile) (LibreOfficeKitDocument* pThis,
+                       unsigned char* pBuffer,
+                       const int nCanvasWidth,
+                       const int nCanvasHeight,
+                       const int nTilePosX,
+                       const int nTilePosY,
+                       const int nTileWidth,
+                       const int nTileHeight);
+
+    /// @see lok::Document::getTileMode().
+    int (*getTileMode) (LibreOfficeKitDocument* pThis);
+
+    /// @see lok::Document::getDocumentSize().
+    void (*getDocumentSize) (LibreOfficeKitDocument* pThis,
+                             long* pWidth,
+                             long* pHeight);
+
+    /// @see lok::Document::initializeForRendering().
+    void (*initializeForRendering) (LibreOfficeKitDocument* pThis,
+                                    const char* pArguments);
+
+    /// @see lok::Document::registerCallback().
+    void (*registerCallback) (LibreOfficeKitDocument* pThis,
+                              LibreOfficeKitCallback pCallback,
+                              void* pData);
+
+    /// @see lok::Document::postKeyEvent
+    void (*postKeyEvent) (LibreOfficeKitDocument* pThis,
+                          int nType,
+                          int nCharCode,
+                          int nKeyCode);
+
+    /// @see lok::Document::postMouseEvent
+    void (*postMouseEvent) (LibreOfficeKitDocument* pThis,
+                            int nType,
+                            int nX,
+                            int nY,
+                            int nCount,
+                            int nButtons,
+                            int nModifier);
+
+    /// @see lok::Document::postUnoCommand
+    void (*postUnoCommand) (LibreOfficeKitDocument* pThis,
+                            const char* pCommand,
+                            const char* pArguments,
+                            bool bNotifyWhenFinished);
+
+    /// @see lok::Document::setTextSelection
+    void (*setTextSelection) (LibreOfficeKitDocument* pThis,
+                              int nType,
+                              int nX,
+                              int nY);
+
+    /// @see lok::Document::getTextSelection
+    char* (*getTextSelection) (LibreOfficeKitDocument* pThis,
+                               const char* pMimeType,
+                               char** pUsedMimeType);
+
+    /// @see lok::Document::paste().
+    bool (*paste) (LibreOfficeKitDocument* pThis,
+                   const char* pMimeType,
+                   const char* pData,
+                   size_t nSize);
+
+    /// @see lok::Document::setGraphicSelection
+    void (*setGraphicSelection) (LibreOfficeKitDocument* pThis,
+                                 int nType,
+                                 int nX,
+                                 int nY);
+
+    /// @see lok::Document::resetSelection
+    void (*resetSelection) (LibreOfficeKitDocument* pThis);
+
+    /// @see lok::Document::getCommandValues().
+    char* (*getCommandValues) (LibreOfficeKitDocument* pThis, const char* pCommand);
+
+    /// @see lok::Document::setClientZoom().
+    void (*setClientZoom) (LibreOfficeKitDocument* pThis,
+            int nTilePixelWidth,
+            int nTilePixelHeight,
+            int nTileTwipWidth,
+            int nTileTwipHeight);
+
+    /// @see lok::Document::setVisibleArea).
+    void (*setClientVisibleArea) (LibreOfficeKitDocument* pThis, int nX, int nY, int nWidth, int nHeight);
+
+    /// @see lok::Document::createView().
+    int (*createView) (LibreOfficeKitDocument* pThis);
+    /// @see lok::Document::destroyView().
+    void (*destroyView) (LibreOfficeKitDocument* pThis, int nId);
+    /// @see lok::Document::setView().
+    void (*setView) (LibreOfficeKitDocument* pThis, int nId);
+    /// @see lok::Document::getView().
+    int (*getView) (LibreOfficeKitDocument* pThis);
+    /// @see lok::Document::getViewsCount().
+    int (*getViewsCount) (LibreOfficeKitDocument* pThis);
+
+    /// @see lok::Document::renderFont().
+    unsigned char* (*renderFont) (LibreOfficeKitDocument* pThis,
+                       const char* pFontName,
+                       const char* pChar,
+                       int* pFontWidth,
+                       int* pFontHeight);
+
+    /// @see lok::Document::getPartHash().
+    char* (*getPartHash) (LibreOfficeKitDocument* pThis,
+                          int nPart);
+
+    /// Paints a tile from a specific part.
+    /// @see lok::Document::paintTile().
+    void (*paintPartTile) (LibreOfficeKitDocument* pThis,
+                           unsigned char* pBuffer,
+                           const int nPart,
+                           const int nCanvasWidth,
+                           const int nCanvasHeight,
+                           const int nTilePosX,
+                           const int nTilePosY,
+                           const int nTileWidth,
+                           const int nTileHeight);
+
+    /// @see lok::Document::getViewIds().
+    bool (*getViewIds) (LibreOfficeKitDocument* pThis,
+                       int* pArray,
+                       size_t nSize);
+
+    /// @see lok::Document::setOutlineState).
+    void (*setOutlineState) (LibreOfficeKitDocument* pThis, bool bColumn, int nLevel, int nIndex, bool bHidden);
+
+    /// Paints window with given id to the buffer
+    /// @see lok::Document::paintWindow().
+    void (*paintWindow) (LibreOfficeKitDocument* pThis, unsigned nWindowId,
+                         unsigned char* pBuffer,
+                         const int x, const int y,
+                         const int width, const int height);
+
+    /// @see lok::Document::postWindow().
+    void (*postWindow) (LibreOfficeKitDocument* pThis, unsigned nWindowId, int nAction, const char* pData);
+
+    /// @see lok::Document::postWindowKeyEvent().
+    void (*postWindowKeyEvent) (LibreOfficeKitDocument* pThis,
+                                unsigned nWindowId,
+                                int nType,
+                                int nCharCode,
+                                int nKeyCode);
+
+    /// @see lok::Document::postWindowMouseEvent().
+    void (*postWindowMouseEvent) (LibreOfficeKitDocument* pThis,
+                                  unsigned nWindowId,
+                                  int nType,
+                                  int nX,
+                                  int nY,
+                                  int nCount,
+                                  int nButtons,
+                                  int nModifier);
+
+    /// @see lok::Document::setViewLanguage().
+    void (*setViewLanguage) (LibreOfficeKitDocument* pThis, int nId, const char* language);
+
+    /// @see lok::Document::postWindowExtTextInputEvent
+    void (*postWindowExtTextInputEvent) (LibreOfficeKitDocument* pThis,
+                                         unsigned nWindowId,
+                                         int nType,
+                                         const char* pText);
+
+    /// @see lok::Document::getPartInfo().
+    char* (*getPartInfo) (LibreOfficeKitDocument* pThis, int nPart);
+
+    /// Paints window with given id to the buffer with the give DPI scale
+    /// (every pixel is dpiscale-times larger).
+    /// @see lok::Document::paintWindow().
+    void (*paintWindowDPI) (LibreOfficeKitDocument* pThis, unsigned nWindowId,
+                            unsigned char* pBuffer,
+                            const int x, const int y,
+                            const int width, const int height,
+                            const double dpiscale);
+
+#ifdef IOS
+    /// @see lok::Document::paintTileToCGContext().
+    void (*paintTileToCGContext) (LibreOfficeKitDocument* pThis,
+                                  void* rCGContext,
+                                  const int nCanvasWidth,
+                                  const int nCanvasHeight,
+                                  const int nTilePosX,
+                                  const int nTilePosY,
+                                  const int nTileWidth,
+                                  const int nTileHeight);
+#endif // IOS
+
+// CERTIFICATE AND SIGNING
+
+    /// @see lok::Document::insertCertificate().
+    bool (*insertCertificate) (LibreOfficeKitDocument* pThis,
+                                const unsigned char* pCertificateBinary,
+                                const int nCertificateBinarySize,
+                                const unsigned char* pPrivateKeyBinary,
+                                const int nPrivateKeyBinarySize);
+
+    /// @see lok::Document::addCertificate().
+    bool (*addCertificate) (LibreOfficeKitDocument* pThis,
+                                const unsigned char* pCertificateBinary,
+                                const int nCertificateBinarySize);
+
+    /// @see lok::Document::getSignatureState().
+    int (*getSignatureState) (LibreOfficeKitDocument* pThis);
+// END CERTIFICATE AND SIGNING
+
+    /// @see lok::Document::renderShapeSelection
+    size_t (*renderShapeSelection)(LibreOfficeKitDocument* pThis, char** pOutput);
+
+    /// @see lok::Document::postWindowGestureEvent().
+    void (*postWindowGestureEvent) (LibreOfficeKitDocument* pThis,
+                                  unsigned nWindowId,
+                                  const char* pType,
+                                  int nX,
+                                  int nY,
+                                  int nOffset);
+
+    /// @see lok::Document::createViewWithOptions().
+    int (*createViewWithOptions) (LibreOfficeKitDocument* pThis, const char* pOptions);
+
+    /// @see lok::Document::selectPart().
+    void (*selectPart) (LibreOfficeKitDocument* pThis, int nPart, int nSelect);
+
+    /// @see lok::Document::moveSelectedParts().
+    void (*moveSelectedParts) (LibreOfficeKitDocument* pThis, int nPosition, bool bDuplicate);
+
+    /// Resize window with given id.
+    /// @see lok::Document::resizeWindow().
+    void (*resizeWindow) (LibreOfficeKitDocument* pThis, unsigned nWindowId,
+                          const int width, const int height);
+
+    /// Pass a nullptr terminated array of mime-type strings
+    /// @see lok::Document::getClipboard for more details
+    int (*getClipboard) (LibreOfficeKitDocument* pThis,
+                         const char **pMimeTypes,
+                         size_t      *pOutCount,
+                         char      ***pOutMimeTypes,
+                         size_t     **pOutSizes,
+                         char      ***pOutStreams);
+
+    /// @see lok::Document::setClipboard
+    int (*setClipboard) (LibreOfficeKitDocument* pThis,
+                         const size_t   nInCount,
+                         const char   **pInMimeTypes,
+                         const size_t  *pInSizes,
+                         const char   **pInStreams);
+
+    /// @see lok::Document::getSelectionType
+    int (*getSelectionType) (LibreOfficeKitDocument* pThis);
+
+    /// @see lok::Document::removeTextContext
+    void (*removeTextContext) (LibreOfficeKitDocument* pThis,
+                               unsigned nWindowId,
+                               int nBefore,
+                               int nAfter);
+
+    /// @see lok::Document::sendDialogEvent
+    void (*sendDialogEvent) (LibreOfficeKitDocument* pThis,
+                            unsigned long long int nLOKWindowId,
+                            const char* pArguments);
+
+    /// @see lok::Document::renderFontOrientation().
+    unsigned char* (*renderFontOrientation) (LibreOfficeKitDocument* pThis,
+                       const char* pFontName,
+                       const char* pChar,
+                       int* pFontWidth,
+                       int* pFontHeight,
+                       int pOrientation);
+
+    /// Switches view to viewId if viewId >= 0, and paints window
+    /// @see lok::Document::paintWindowDPI().
+    void (*paintWindowForView) (LibreOfficeKitDocument* pThis, unsigned nWindowId,
+                                unsigned char* pBuffer,
+                                const int x, const int y,
+                                const int width, const int height,
+                                const double dpiscale,
+                                int viewId);
+
+    /// @see lok::Document::completeFunction().
+    void (*completeFunction) (LibreOfficeKitDocument* pThis, const char* pFunctionName);
+
+    /// @see lok::Document::setWindowTextSelection
+    void (*setWindowTextSelection) (LibreOfficeKitDocument* pThis,
+                                    unsigned nWindowId,
+                                    bool bSwap,
+                                    int nX,
+                                    int nY);
+
+    /// @see lok::Document::sendFormFieldEvent
+    void (*sendFormFieldEvent) (LibreOfficeKitDocument* pThis,
+                                const char* pArguments);
+
+    /// @see lok::Document::setBlockedCommandList
+    void (*setBlockedCommandList) (LibreOfficeKitDocument* pThis,
+                                int nViewId,
+                                const char* blockedCommandList);
+
+    /// @see lok::Document::renderSearchResult
+    bool (*renderSearchResult) (LibreOfficeKitDocument* pThis,
+                                const char* pSearchResult,
+                                unsigned char** pBitmapBuffer,
+                                int* pWidth, int* pHeight, size_t* pByteSize);
+
+    /// @see lok::Document::sendContentControlEvent().
+    void (*sendContentControlEvent)(LibreOfficeKitDocument* pThis, const char* pArguments);
+
+    /// @see lok::Document::getSelectionTypeAndText
+    /// @since LibreOffice 7.4
+    int (*getSelectionTypeAndText) (LibreOfficeKitDocument* pThis,
+                                    const char* pMimeType,
+                                    char** pText,
+                                    char** pUsedMimeType);
+
+#endif // defined LOK_USE_UNSTABLE_API || defined LIBO_INTERNAL_ONLY
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // INCLUDED_LIBREOFFICEKIT_LIBREOFFICEKIT_H
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/LibreOfficeKit/LibreOfficeKit.hxx b/include/LibreOfficeKit/LibreOfficeKit.hxx
new file mode 100644
index 000000000..6dbfbf964
--- /dev/null
+++ b/include/LibreOfficeKit/LibreOfficeKit.hxx
@@ -0,0 +1,1119 @@
+/* -*- 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 <LibreOfficeKit/LibreOfficeKit.h>
+#include <LibreOfficeKit/LibreOfficeKitEnums.h>
+#include <LibreOfficeKit/LibreOfficeKitInit.h>
+
+/*
+ * The reasons this C++ code is not as pretty as it could be are:
+ *  a) provide a pure C API - that's useful for some people
+ *  b) allow ABI stability - C++ vtables are not good for that.
+ *  c) avoid C++ types as part of the API.
+ */
+namespace lok
+{
+
+/// The lok::Document class represents one loaded document instance.
+class Document
+{
+private:
+    LibreOfficeKitDocument* mpDoc;
+
+public:
+    /// A lok::Document is typically created by the lok::Office::documentLoad() method.
+    Document(LibreOfficeKitDocument* pDoc) :
+        mpDoc(pDoc)
+    {}
+
+    ~Document()
+    {
+        mpDoc->pClass->destroy(mpDoc);
+    }
+
+    /**
+     * Stores the document's persistent data to a URL and
+     * continues to be a representation of the old URL.
+     *
+     * @param pUrl the location where to store the document
+     * @param pFormat the format to use while exporting, when omitted, then deducted from pURL's extension
+     * @param pFilterOptions options for the export filter, e.g. SkipImages.
+     *        Another useful FilterOption is "TakeOwnership".  It is consumed
+     *        by the saveAs() itself, and when provided, the document identity
+     *        changes to the provided pUrl - meaning that '.uno:ModifiedStatus'
+     *        is triggered as with the "Save As..." in the UI.
+     *        "TakeOwnership" mode must not be used when saving to PNG or PDF.
+     */
+    bool saveAs(const char* pUrl, const char* pFormat = NULL, const char* pFilterOptions = NULL)
+    {
+        return mpDoc->pClass->saveAs(mpDoc, pUrl, pFormat, pFilterOptions) != 0;
+    }
+
+    /// Gives access to the underlying C pointer.
+    LibreOfficeKitDocument *get() { return mpDoc; }
+
+    /**
+     * Get document type.
+     *
+     * @since LibreOffice 6.0
+     * @return an element of the LibreOfficeKitDocumentType enum.
+     */
+    int getDocumentType()
+    {
+        return mpDoc->pClass->getDocumentType(mpDoc);
+    }
+
+#if defined LOK_USE_UNSTABLE_API || defined LIBO_INTERNAL_ONLY
+    /**
+     * Get number of part that the document contains.
+     *
+     * Part refers to either individual sheets in a Calc, or slides in Impress,
+     * and has no relevance for Writer.
+     */
+    int getParts()
+    {
+        return mpDoc->pClass->getParts(mpDoc);
+    }
+
+    /**
+     * Get the logical rectangle of each part in the document.
+     *
+     * A part refers to an individual page in Writer and has no relevant for
+     * Calc or Impress.
+     *
+     * @return a rectangle list, using the same format as
+     * LOK_CALLBACK_TEXT_SELECTION.
+     */
+    char* getPartPageRectangles()
+    {
+        return mpDoc->pClass->getPartPageRectangles(mpDoc);
+    }
+
+    /// Get the current part of the document.
+    int getPart()
+    {
+        return mpDoc->pClass->getPart(mpDoc);
+    }
+
+    /// Set the current part of the document.
+    void setPart(int nPart)
+    {
+        mpDoc->pClass->setPart(mpDoc, nPart);
+    }
+
+    /// Get the current part's name.
+    char* getPartName(int nPart)
+    {
+        return mpDoc->pClass->getPartName(mpDoc, nPart);
+    }
+
+    /// Get the current part's hash.
+    char* getPartHash(int nPart)
+    {
+        return mpDoc->pClass->getPartHash(mpDoc, nPart);
+    }
+
+    void setPartMode(int nMode)
+    {
+        mpDoc->pClass->setPartMode(mpDoc, nMode);
+    }
+
+    /**
+     * Renders a subset of the document to a pre-allocated buffer.
+     *
+     * Note that the buffer size and the tile size implicitly supports
+     * rendering at different zoom levels, as the number of rendered pixels and
+     * the rendered rectangle of the document are independent.
+     *
+     * @param pBuffer pointer to the buffer, its size is determined by nCanvasWidth and nCanvasHeight.
+     * @param nCanvasWidth number of pixels in a row of pBuffer.
+     * @param nCanvasHeight number of pixels in a column of pBuffer.
+     * @param nTilePosX logical X position of the top left corner of the rendered rectangle, in TWIPs.
+     * @param nTilePosY logical Y position of the top left corner of the rendered rectangle, in TWIPs.
+     * @param nTileWidth logical width of the rendered rectangle, in TWIPs.
+     * @param nTileHeight logical height of the rendered rectangle, in TWIPs.
+     */
+    void paintTile(unsigned char* pBuffer,
+                          const int nCanvasWidth,
+                          const int nCanvasHeight,
+                          const int nTilePosX,
+                          const int nTilePosY,
+                          const int nTileWidth,
+                          const int nTileHeight)
+    {
+        return mpDoc->pClass->paintTile(mpDoc, pBuffer, nCanvasWidth, nCanvasHeight,
+                                nTilePosX, nTilePosY, nTileWidth, nTileHeight);
+    }
+
+    /**
+     * Renders a window (dialog, popup, etc.) with give id
+     *
+     * @param nWindowId
+     * @param pBuffer Buffer with enough memory allocated to render any dialog
+     * @param x x-coordinate from where the dialog should start painting
+     * @param y y-coordinate from where the dialog should start painting
+     * @param width The width of the dialog image to be painted
+     * @param height The height of the dialog image to be painted
+     * @param dpiscale The dpi scale value used by the client.  Please note
+     *                 that the x, y, width, height are supposed to be the
+     *                 values with dpiscale applied (ie. dialog covering
+     *                 100x100 "normal" pixels with dpiscale '2' will have
+     *                 200x200 width x height), so that it is easy to compute
+     *                 the buffer sizes etc.
+     */
+    void paintWindow(unsigned nWindowId,
+                     unsigned char* pBuffer,
+                     const int x,
+                     const int y,
+                     const int width,
+                     const int height,
+                     const double dpiscale = 1.0,
+                     const int viewId = -1)
+    {
+        return mpDoc->pClass->paintWindowForView(mpDoc, nWindowId, pBuffer, x, y,
+                                                 width, height, dpiscale, viewId);
+    }
+
+    /**
+     * Posts a command to the window (dialog, popup, etc.) with given id
+     *
+     * @param nWindowid
+     */
+    void postWindow(unsigned nWindowId, int nAction, const char* pData = nullptr)
+    {
+        return mpDoc->pClass->postWindow(mpDoc, nWindowId, nAction, pData);
+    }
+
+    /**
+     * Gets the tile mode: the pixel format used for the pBuffer of paintTile().
+     *
+     * @return an element of the LibreOfficeKitTileMode enum.
+     */
+    int getTileMode()
+    {
+        return mpDoc->pClass->getTileMode(mpDoc);
+    }
+
+    /// Get the document sizes in TWIPs.
+    void getDocumentSize(long* pWidth, long* pHeight)
+    {
+        mpDoc->pClass->getDocumentSize(mpDoc, pWidth, pHeight);
+    }
+
+    /**
+     * Initialize document for rendering.
+     *
+     * Sets the rendering and document parameters to default values that are
+     * needed to render the document correctly using tiled rendering. This
+     * method has to be called right after documentLoad() in case any of the
+     * tiled rendering methods are to be used later.
+     *
+     * Example argument string for text documents:
+     *
+     * {
+     *     ".uno:HideWhitespace":
+     *     {
+     *         "type": "boolean",
+     *         "value": "true"
+     *     }
+     * }
+     *
+     * @param pArguments arguments of the rendering
+     */
+    void initializeForRendering(const char* pArguments = NULL)
+    {
+        mpDoc->pClass->initializeForRendering(mpDoc, pArguments);
+    }
+
+    /**
+     * Registers a callback. LOK will invoke this function when it wants to
+     * inform the client about events.
+     *
+     * @param pCallback the callback to invoke
+     * @param pData the user data, will be passed to the callback on invocation
+     */
+    void registerCallback(LibreOfficeKitCallback pCallback, void* pData)
+    {
+        mpDoc->pClass->registerCallback(mpDoc, pCallback, pData);
+    }
+
+    /**
+     * Posts a keyboard event to the focused frame.
+     *
+     * @param nType Event type, like press or release.
+     * @param nCharCode contains the Unicode character generated by this event or 0
+     * @param nKeyCode contains the integer code representing the key of the event (non-zero for control keys)
+     */
+    void postKeyEvent(int nType, int nCharCode, int nKeyCode)
+    {
+        mpDoc->pClass->postKeyEvent(mpDoc, nType, nCharCode, nKeyCode);
+    }
+
+    /**
+     * Posts a keyboard event to the dialog
+     *
+     * @param nWindowId
+     * @param nType Event type, like press or release.
+     * @param nCharCode contains the Unicode character generated by this event or 0
+     * @param nKeyCode contains the integer code representing the key of the event (non-zero for control keys)
+     */
+    void postWindowKeyEvent(unsigned nWindowId, int nType, int nCharCode, int nKeyCode)
+    {
+        mpDoc->pClass->postWindowKeyEvent(mpDoc, nWindowId, nType, nCharCode, nKeyCode);
+    }
+
+    /**
+     * Posts a mouse event to the document.
+     *
+     * @param nType Event type, like down, move or up.
+     * @param nX horizontal position in document coordinates
+     * @param nY vertical position in document coordinates
+     * @param nCount number of clicks: 1 for single click, 2 for double click
+     * @param nButtons: which mouse buttons: 1 for left, 2 for middle, 4 right
+     * @param nModifier: which keyboard modifier: (see include/vcl/vclenum.hxx for possible values)
+     */
+    void postMouseEvent(int nType, int nX, int nY, int nCount, int nButtons, int nModifier)
+    {
+        mpDoc->pClass->postMouseEvent(mpDoc, nType, nX, nY, nCount, nButtons, nModifier);
+    }
+
+    /**
+     * Posts a mouse event to the window with given id.
+     *
+     * @param nWindowId
+     * @param nType Event type, like down, move or up.
+     * @param nX horizontal position in document coordinates
+     * @param nY vertical position in document coordinates
+     * @param nCount number of clicks: 1 for single click, 2 for double click
+     * @param nButtons: which mouse buttons: 1 for left, 2 for middle, 4 right
+     * @param nModifier: which keyboard modifier: (see include/vcl/vclenum.hxx for possible values)
+     */
+    void postWindowMouseEvent(unsigned nWindowId, int nType, int nX, int nY, int nCount, int nButtons, int nModifier)
+    {
+        mpDoc->pClass->postWindowMouseEvent(mpDoc, nWindowId, nType, nX, nY, nCount, nButtons, nModifier);
+    }
+
+    /**
+     * Posts a dialog event for the window with given id
+     *
+     * @param nWindowId id of the window to notify
+     * @param pArguments arguments of the event.
+     */
+    void sendDialogEvent(unsigned long long int nWindowId, const char* pArguments = NULL)
+    {
+        mpDoc->pClass->sendDialogEvent(mpDoc, nWindowId, pArguments);
+    }
+
+    /**
+     * Posts a UNO command to the document.
+     *
+     * Example argument string:
+     *
+     * {
+     *     "SearchItem.SearchString":
+     *     {
+     *         "type": "string",
+     *         "value": "foobar"
+     *     },
+     *     "SearchItem.Backward":
+     *     {
+     *         "type": "boolean",
+     *         "value": "false"
+     *     }
+     * }
+     *
+     * @param pCommand uno command to be posted to the document, like ".uno:Bold"
+     * @param pArguments arguments of the uno command.
+     */
+    void postUnoCommand(const char* pCommand, const char* pArguments = NULL, bool bNotifyWhenFinished = false)
+    {
+        mpDoc->pClass->postUnoCommand(mpDoc, pCommand, pArguments, bNotifyWhenFinished);
+    }
+
+    /**
+     * Sets the start or end of a text selection.
+     *
+     * @param nType @see LibreOfficeKitSetTextSelectionType
+     * @param nX horizontal position in document coordinates
+     * @param nY vertical position in document coordinates
+     */
+    void setTextSelection(int nType, int nX, int nY)
+    {
+        mpDoc->pClass->setTextSelection(mpDoc, nType, nX, nY);
+    }
+
+    /**
+     * Gets the currently selected text.
+     *
+     * @param pMimeType suggests the return format, for example text/plain;charset=utf-8.
+     * @param pUsedMimeType output parameter to inform about the determined format (suggested one or plain text).
+     */
+    char* getTextSelection(const char* pMimeType, char** pUsedMimeType = NULL)
+    {
+        return mpDoc->pClass->getTextSelection(mpDoc, pMimeType, pUsedMimeType);
+    }
+
+    /**
+     * Gets the type of the selected content.
+     *
+     * In most cases it is more efficient to use getSelectionTypeAndText().
+     *
+     * @return an element of the LibreOfficeKitSelectionType enum.
+     */
+    int getSelectionType()
+    {
+        return mpDoc->pClass->getSelectionType(mpDoc);
+    }
+
+    /**
+     * Gets the type of the selected content and possibly its text.
+     *
+     * This function is a more efficient combination of getSelectionType() and getTextSelection().
+     * It returns the same as getSelectionType(), and additionally if the return value is
+     * LOK_SELTYPE_TEXT then it also returns the same as getTextSelection(), otherwise
+     * pText and pUsedMimeType are unchanged.
+     *
+     * @param pMimeType suggests the return format, for example text/plain;charset=utf-8.
+     * @param pText the currently selected text
+     * @param pUsedMimeType output parameter to inform about the determined format (suggested one or plain text).
+     * @return an element of the LibreOfficeKitSelectionType enum.
+     * @since LibreOffice 7.4
+     */
+    int getSelectionTypeAndText(const char* pMimeType, char** pText, char** pUsedMimeType = NULL)
+    {
+        if (LIBREOFFICEKIT_DOCUMENT_HAS(mpDoc, getSelectionTypeAndText))
+            return mpDoc->pClass->getSelectionTypeAndText(mpDoc, pMimeType, pText, pUsedMimeType);
+        int type = mpDoc->pClass->getSelectionType(mpDoc);
+        if(type == LOK_SELTYPE_TEXT && pText)
+            *pText = mpDoc->pClass->getTextSelection(mpDoc, pMimeType, pUsedMimeType);
+        return type;
+    }
+
+    /**
+     * Gets the content on the clipboard for the current view as a series of binary streams.
+     *
+     * NB. returns a complete set of possible selection types if nullptr is passed for pMimeTypes.
+     *
+     * @param pMimeTypes passes in a nullptr terminated list of mime types to fetch
+     * @param pOutCount     returns the size of the other @pOut arrays
+     * @param pOutMimeTypes returns an array of mime types
+     * @param pOutSizes     returns the size of each pOutStream
+     * @param pOutStreams   the content of each mime-type, of length in @pOutSizes
+     *
+     * @returns: true on success, false on error.
+     */
+    bool getClipboard(const char **pMimeTypes,
+                      size_t      *pOutCount,
+                      char      ***pOutMimeTypes,
+                      size_t     **pOutSizes,
+                      char      ***pOutStreams)
+    {
+        return mpDoc->pClass->getClipboard(mpDoc, pMimeTypes, pOutCount, pOutMimeTypes, pOutSizes, pOutStreams);
+    }
+
+    /**
+     * Populates the clipboard for this view with multiple types of content.
+     *
+     * @param nInCount the number of types to paste
+     * @param pInMimeTypes array of mime type strings
+     * @param pInSizes array of sizes of the data to paste
+     * @param pInStreams array containing the data of the various types
+     *
+     * @return if the supplied data was populated successfully.
+     */
+    bool setClipboard(const size_t  nInCount,
+                      const char  **pInMimeTypes,
+                      const size_t *pInSizes,
+                      const char  **pInStreams)
+    {
+        return mpDoc->pClass->setClipboard(mpDoc, nInCount, pInMimeTypes, pInSizes, pInStreams);
+    }
+
+    /**
+     * Pastes content at the current cursor position.
+     *
+     * @param pMimeType format of pData, for example text/plain;charset=utf-8.
+     * @param pData the actual data to be pasted.
+     * @return if the supplied data was pasted successfully.
+     */
+    bool paste(const char* pMimeType, const char* pData, size_t nSize)
+    {
+        return mpDoc->pClass->paste(mpDoc, pMimeType, pData, nSize);
+    }
+
+    /**
+     * Adjusts the graphic selection.
+     *
+     * @param nType @see LibreOfficeKitSetGraphicSelectionType
+     * @param nX horizontal position in document coordinates
+     * @param nY vertical position in document coordinates
+     */
+    void setGraphicSelection(int nType, int nX, int nY)
+    {
+        mpDoc->pClass->setGraphicSelection(mpDoc, nType, nX, nY);
+    }
+
+    /**
+     * Gets rid of any text or graphic selection.
+     */
+    void resetSelection()
+    {
+        mpDoc->pClass->resetSelection(mpDoc);
+    }
+
+    /**
+     * Returns a json mapping of the possible values for the given command
+     * e.g. {commandName: ".uno:StyleApply", commandValues: {"familyName1" : ["list of style names in the family1"], etc.}}
+     * @param pCommand a UNO command for which the possible values are requested
+     * @return {commandName: unoCmd, commandValues: {possible_values}}
+     */
+    char* getCommandValues(const char* pCommand)
+    {
+        return mpDoc->pClass->getCommandValues(mpDoc, pCommand);
+    }
+
+    /**
+     * Save the client's view so that we can compute the right zoom level
+     * for the mouse events. This only affects CALC.
+     * @param nTilePixelWidth - tile width in pixels
+     * @param nTilePixelHeight - tile height in pixels
+     * @param nTileTwipWidth - tile width in twips
+     * @param nTileTwipHeight - tile height in twips
+     */
+    void setClientZoom(
+            int nTilePixelWidth,
+            int nTilePixelHeight,
+            int nTileTwipWidth,
+            int nTileTwipHeight)
+    {
+        mpDoc->pClass->setClientZoom(mpDoc, nTilePixelWidth, nTilePixelHeight, nTileTwipWidth, nTileTwipHeight);
+    }
+
+    /**
+     * Inform core about the currently visible area of the document on the
+     * client, so that it can perform e.g. page down (which depends on the
+     * visible height) in a sane way.
+     *
+     * @param nX - top left corner horizontal position
+     * @param nY - top left corner vertical position
+     * @param nWidth - area width
+     * @param nHeight - area height
+     */
+    void setClientVisibleArea(int nX, int nY, int nWidth, int nHeight)
+    {
+        mpDoc->pClass->setClientVisibleArea(mpDoc, nX, nY, nWidth, nHeight);
+    }
+
+    /**
+     * 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)
+     */
+    void setOutlineState(bool bColumn, int nLevel, int nIndex, bool bHidden)
+    {
+        mpDoc->pClass->setOutlineState(mpDoc, bColumn, nLevel, nIndex, bHidden);
+    }
+
+    /**
+     * Create a new view for an existing document with
+     * options similar to documentLoadWithOptions.
+     * By default a loaded document has 1 view.
+     * @return the ID of the new view.
+     */
+    int createView(const char* pOptions = nullptr)
+    {
+        if (LIBREOFFICEKIT_DOCUMENT_HAS(mpDoc, createViewWithOptions))
+            return mpDoc->pClass->createViewWithOptions(mpDoc, pOptions);
+        else
+            return mpDoc->pClass->createView(mpDoc);
+    }
+
+    /**
+     * Destroy a view of an existing document.
+     * @param nId a view ID, returned by createView().
+     */
+    void destroyView(int nId)
+    {
+        mpDoc->pClass->destroyView(mpDoc, nId);
+    }
+
+    /**
+     * Set an existing view of an existing document as current.
+     * @param nId a view ID, returned by createView().
+     */
+    void setView(int nId)
+    {
+        mpDoc->pClass->setView(mpDoc, nId);
+    }
+
+    /**
+     * Get the current view.
+     * @return a view ID, previously returned by createView().
+     */
+    int getView()
+    {
+        return mpDoc->pClass->getView(mpDoc);
+    }
+
+    /**
+     * Get number of views of this document.
+     */
+    int getViewsCount()
+    {
+        return mpDoc->pClass->getViewsCount(mpDoc);
+    }
+
+    /**
+     * Paints a font name or character if provided to be displayed in the font list
+     * @param pFontName the font to be painted
+     */
+    unsigned char* renderFont(const char *pFontName,
+                          const char *pChar,
+                          int *pFontWidth,
+                          int *pFontHeight,
+                          int pOrientation=0)
+    {
+        if (LIBREOFFICEKIT_DOCUMENT_HAS(mpDoc, renderFontOrientation))
+            return mpDoc->pClass->renderFontOrientation(mpDoc, pFontName, pChar, pFontWidth, pFontHeight, pOrientation);
+        else
+            return mpDoc->pClass->renderFont(mpDoc, pFontName, pChar, pFontWidth, pFontHeight);
+    }
+
+    /**
+     * Renders a subset of the document's part to a pre-allocated buffer.
+     *
+     * @param nPart the part number of the document of which the tile is painted.
+     * @see paintTile.
+     */
+    void paintPartTile(unsigned char* pBuffer,
+                              const int nPart,
+                              const int nCanvasWidth,
+                              const int nCanvasHeight,
+                              const int nTilePosX,
+                              const int nTilePosY,
+                              const int nTileWidth,
+                              const int nTileHeight)
+    {
+        return mpDoc->pClass->paintPartTile(mpDoc, pBuffer, nPart,
+                                            nCanvasWidth, nCanvasHeight,
+                                            nTilePosX, nTilePosY,
+                                            nTileWidth, nTileHeight);
+    }
+
+    /**
+     * Returns the viewID for each existing view. Since viewIDs are not reused,
+     * viewIDs are not the same as the index of the view in the view array over
+     * time. Use getViewsCount() to know the minimal nSize that's large enough.
+     *
+     * @param pArray the array to write the viewIDs into
+     * @param nSize the size of pArray
+     * @returns true if pArray was large enough and result is written, false
+     * otherwise.
+     */
+    bool getViewIds(int* pArray,
+                           size_t nSize)
+    {
+        return mpDoc->pClass->getViewIds(mpDoc, pArray, nSize);
+    }
+
+    /**
+     * Set the language tag of the window with the specified nId.
+     *
+     * @param nId a view ID, returned by createView().
+     * @param language Bcp47 languageTag, like en-US or so.
+     */
+    void setViewLanguage(int nId, const char* language)
+    {
+        mpDoc->pClass->setViewLanguage(mpDoc, nId, language);
+    }
+
+    /**
+     * Post the text input from external input window, like IME, to given windowId
+     *
+     * @param nWindowId Specify the window id to post the input event to. If
+     * nWindow is 0, the event is posted into the document
+     * @param nType see LibreOfficeKitExtTextInputType
+     * @param pText Text for LOK_EXT_TEXTINPUT
+     */
+    void postWindowExtTextInputEvent(unsigned nWindowId, int nType, const char* pText)
+    {
+        mpDoc->pClass->postWindowExtTextInputEvent(mpDoc, nWindowId, nType, pText);
+    }
+
+#ifdef IOS
+    /**
+     * Renders a subset of the document to a Core Graphics context.
+     *
+     * Note that the buffer size and the tile size implicitly supports
+     * rendering at different zoom levels, as the number of rendered pixels and
+     * the rendered rectangle of the document are independent.
+     *
+     * @param rCGContext the CGContextRef, cast to a void*.
+     * @param nCanvasHeight number of pixels in a column of pBuffer.
+     * @param nTilePosX logical X position of the top left corner of the rendered rectangle, in TWIPs.
+     * @param nTilePosY logical Y position of the top left corner of the rendered rectangle, in TWIPs.
+     * @param nTileWidth logical width of the rendered rectangle, in TWIPs.
+     * @param nTileHeight logical height of the rendered rectangle, in TWIPs.
+     */
+    void paintTileToCGContext(void* rCGContext,
+                              const int nCanvasWidth,
+                              const int nCanvasHeight,
+                              const int nTilePosX,
+                              const int nTilePosY,
+                              const int nTileWidth,
+                              const int nTileHeight)
+    {
+        return mpDoc->pClass->paintTileToCGContext(mpDoc, rCGContext, nCanvasWidth, nCanvasHeight,
+                                                   nTilePosX, nTilePosY, nTileWidth, nTileHeight);
+    }
+#endif // IOS
+
+    /**
+     *  Insert certificate (in binary form) to the certificate store.
+     */
+    bool insertCertificate(const unsigned char* pCertificateBinary,
+                           const int pCertificateBinarySize,
+                           const unsigned char* pPrivateKeyBinary,
+                           const int nPrivateKeyBinarySize)
+    {
+        return mpDoc->pClass->insertCertificate(mpDoc,
+                                                pCertificateBinary, pCertificateBinarySize,
+                                                pPrivateKeyBinary, nPrivateKeyBinarySize);
+    }
+
+    /**
+     *  Add the certificate (in binary form) to the certificate store.
+     *
+     */
+    bool addCertificate(const unsigned char* pCertificateBinary,
+                         const int pCertificateBinarySize)
+    {
+        return mpDoc->pClass->addCertificate(mpDoc,
+                                             pCertificateBinary, pCertificateBinarySize);
+    }
+
+    /**
+     *  Verify signature of the document.
+     *
+     *  Check possible values in include/sfx2/signaturestate.hxx
+     */
+    int getSignatureState()
+    {
+        return mpDoc->pClass->getSignatureState(mpDoc);
+    }
+
+    /**
+     * Gets an image of the selected shapes.
+     * @param pOutput contains the result; use free to deallocate.
+     * @return the size of *pOutput in bytes.
+     */
+    size_t renderShapeSelection(char** pOutput)
+    {
+        return mpDoc->pClass->renderShapeSelection(mpDoc, pOutput);
+    }
+
+    /**
+     * Posts a gesture event to the window with given id.
+     *
+     * @param nWindowId
+     * @param pType Event type, like panStart, panEnd, panUpdate.
+     * @param nX horizontal position in document coordinates
+     * @param nY vertical position in document coordinates
+     * @param nOffset difference value from when the gesture started to current value
+     */
+    void postWindowGestureEvent(unsigned nWindowId,
+                              const char* pType,
+                              int nX, int nY, int nOffset)
+    {
+        return mpDoc->pClass->postWindowGestureEvent(mpDoc, nWindowId, pType, nX, nY, nOffset);
+    }
+
+    /// Set a part's selection mode.
+    /// nSelect is 0 to deselect, 1 to select, and 2 to toggle.
+    void selectPart(int nPart, int nSelect)
+    {
+        mpDoc->pClass->selectPart(mpDoc, nPart, nSelect);
+    }
+
+    /// Moves the selected pages/slides to a new position.
+    /// nPosition is the new position where the selection
+    /// should go. bDuplicate when true will copy instead of move.
+    void moveSelectedParts(int nPosition, bool bDuplicate)
+    {
+        mpDoc->pClass->moveSelectedParts(mpDoc, nPosition, bDuplicate);
+    }
+
+    /**
+     * Resize a window (dialog, popup, etc.) with give id.
+     *
+     * @param nWindowId
+     * @param width The width of the window.
+     * @param height The height of the window.
+     */
+    void resizeWindow(unsigned nWindowId,
+                      const int width,
+                      const int height)
+    {
+        return mpDoc->pClass->resizeWindow(mpDoc, nWindowId, width, height);
+    }
+
+    /**
+     * For deleting many characters all at once
+     *
+     * @param nWindowId Specify the window id to post the input event to. If
+     * nWindow is 0, the event is posted into the document
+     * @param nBefore The characters to be deleted before the cursor position
+     * @param nAfter The characters to be deleted after the cursor position
+     */
+    void removeTextContext(unsigned nWindowId, int nBefore, int nAfter)
+    {
+        mpDoc->pClass->removeTextContext(mpDoc, nWindowId, nBefore, nAfter);
+    }
+
+    /**
+     * Select the Calc function to be pasted into the formula input box
+     *
+     * @param nIndex is the index of the selected function
+     */
+    void completeFunction(const char* pFunctionName)
+    {
+        mpDoc->pClass->completeFunction(mpDoc, pFunctionName);
+    }
+
+    /**
+     * Sets the start or end of a text selection for a dialog.
+     *
+     * @param nWindowId
+     * @param bSwap swap anchor and cursor position of current selection
+     * @param nX horizontal position in document coordinates
+     * @param nY vertical position in document coordinates
+     */
+    void setWindowTextSelection(unsigned nWindowId, bool bSwap, int nX, int nY)
+    {
+        mpDoc->pClass->setWindowTextSelection(mpDoc, nWindowId, bSwap, nX, nY);
+    }
+
+    /**
+     * Posts an event for the form field at the cursor position.
+     *
+     * @param pArguments arguments of the event.
+     */
+    void sendFormFieldEvent(const char* pArguments)
+    {
+        mpDoc->pClass->sendFormFieldEvent(mpDoc, pArguments);
+    }
+
+    void setBlockedCommandList(int nViewId, const char* blockedCommandList)
+    {
+        mpDoc->pClass->setBlockedCommandList(mpDoc, nViewId, blockedCommandList);
+    }
+    /**
+     * Render input search result to a bitmap buffer.
+     *
+     * @param pSearchResult payload containing the search result data
+     * @param pBitmapBuffer contains the bitmap; use free to deallocate.
+     * @param nWidth output bitmap width
+     * @param nHeight output bitmap height
+     * @param nByteSize output bitmap byte size
+     * @return true if successful
+     */
+    bool renderSearchResult(const char* pSearchResult, unsigned char** pBitmapBuffer,
+                            int* pWidth, int* pHeight, size_t* pByteSize)
+    {
+        return mpDoc->pClass->renderSearchResult(mpDoc, pSearchResult, pBitmapBuffer, pWidth, pHeight, pByteSize);
+    }
+
+    /**
+     * Posts an event for the content control at the cursor position.
+     *
+     * @param pArguments arguments of the event.
+     *
+     * Examples:
+     * To select the 3rd list item of the drop-down:
+     * {
+     *     "type": "drop-down",
+     *     "selected": "2"
+     * }
+     *
+     * To change a picture place-holder:
+     * {
+     *     "type": "picture",
+     *     "changed": "file:///path/to/test.png"
+     * }
+     *
+     * To select a date of the current date content control:
+     * {
+     *     "type": "date",
+     *     "selected": "2022-05-29T00:00:00Z"
+     * }
+     */
+    void sendContentControlEvent(const char* pArguments)
+    {
+        mpDoc->pClass->sendContentControlEvent(mpDoc, pArguments);
+    }
+
+#endif // defined LOK_USE_UNSTABLE_API || defined LIBO_INTERNAL_ONLY
+};
+
+/// The lok::Office class represents one started LibreOfficeKit instance.
+class Office
+{
+private:
+    LibreOfficeKit* mpThis;
+
+public:
+    /// A lok::Office is typically created by the lok_cpp_init() function.
+    Office(LibreOfficeKit* pThis) :
+        mpThis(pThis)
+    {}
+
+    ~Office()
+    {
+        mpThis->pClass->destroy(mpThis);
+    }
+
+    /**
+     * Loads a document from a URL.
+     *
+     * @param pUrl the URL of the document to load
+     * @param pFilterOptions options for the import filter, e.g. SkipImages.
+     *        Another useful FilterOption is "Language=...".  It is consumed
+     *        by the documentLoad() itself, and when provided, LibreOfficeKit
+     *        switches the language accordingly first.
+     * @since pFilterOptions argument added in LibreOffice 5.0
+     */
+    Document* documentLoad(const char* pUrl, const char* pFilterOptions = NULL)
+    {
+        LibreOfficeKitDocument* pDoc = NULL;
+
+        if (LIBREOFFICEKIT_HAS(mpThis, documentLoadWithOptions))
+            pDoc = mpThis->pClass->documentLoadWithOptions(mpThis, pUrl, pFilterOptions);
+        else
+            pDoc = mpThis->pClass->documentLoad(mpThis, pUrl);
+
+        if (pDoc == NULL)
+            return NULL;
+
+        return new Document(pDoc);
+    }
+
+    /// Returns the last error as a string, the returned pointer has to be freed by the caller.
+    char* getError()
+    {
+        return mpThis->pClass->getError(mpThis);
+    }
+
+    /**
+     * Frees the memory pointed to by pFree.
+     *
+     * @since LibreOffice 5.2
+     */
+    void freeError(char* pFree)
+    {
+        mpThis->pClass->freeError(pFree);
+    }
+
+    /**
+     * Registers a callback. LOK will invoke this function when it wants to
+     * inform the client about events.
+     *
+     * @since LibreOffice 6.0
+     * @param pCallback the callback to invoke
+     * @param pData the user data, will be passed to the callback on invocation
+     */
+    void registerCallback(LibreOfficeKitCallback pCallback, void* pData)
+    {
+        mpThis->pClass->registerCallback(mpThis, pCallback, pData);
+    }
+
+    /**
+     * Returns details of filter types.
+     *
+     * Example returned string:
+     *
+     * {
+     *     "writer8": {
+     *         "MediaType": "application/vnd.oasis.opendocument.text"
+     *     },
+     *     "calc8": {
+     *         "MediaType": "application/vnd.oasis.opendocument.spreadsheet"
+     *     }
+     * }
+     *
+     * @since LibreOffice 6.0
+     */
+    char* getFilterTypes()
+    {
+        return mpThis->pClass->getFilterTypes(mpThis);
+    }
+
+    /**
+     * Set bitmask of optional features supported by the client.
+     *
+     * @since LibreOffice 6.0
+     * @see LibreOfficeKitOptionalFeatures
+     */
+    void setOptionalFeatures(unsigned long long features)
+    {
+        return mpThis->pClass->setOptionalFeatures(mpThis, features);
+    }
+
+    /**
+     * Set password required for loading or editing a document.
+     *
+     * Loading the document is blocked until the password is provided.
+     *
+     * @param pURL      the URL of the document, as sent to the callback
+     * @param pPassword the password, nullptr indicates no password
+     *
+     * In response to LOK_CALLBACK_DOCUMENT_PASSWORD, a valid password
+     * will continue loading the document, an invalid password will
+     * result in another LOK_CALLBACK_DOCUMENT_PASSWORD request,
+     * and a NULL password will abort loading the document.
+     *
+     * In response to LOK_CALLBACK_DOCUMENT_PASSWORD_TO_MODIFY, a valid
+     * password will continue loading the document, an invalid password will
+     * result in another LOK_CALLBACK_DOCUMENT_PASSWORD_TO_MODIFY request,
+     * and a NULL password will continue loading the document in read-only
+     * mode.
+     *
+     * @since LibreOffice 6.0
+     */
+    void setDocumentPassword(char const* pURL, char const* pPassword)
+    {
+        mpThis->pClass->setDocumentPassword(mpThis, pURL, pPassword);
+    }
+
+    /**
+     * Get version information of the LOKit process
+     *
+     * @since LibreOffice 6.0
+     * @returns JSON string containing version information in format:
+     * {ProductName: <>, ProductVersion: <>, ProductExtension: <>, BuildId: <>}
+     *
+     * Eg: {"ProductName": "LibreOffice",
+     * "ProductVersion": "5.3",
+     * "ProductExtension": ".0.0.alpha0",
+     * "BuildId": "<full 40 char git hash>"}
+     */
+    char* getVersionInfo()
+    {
+        return mpThis->pClass->getVersionInfo(mpThis);
+    }
+
+    /**
+     * Run a macro.
+     *
+     * Same syntax as on command line is permissible (ie. the macro:// URI forms)
+     *
+     * @since LibreOffice 6.0
+     * @param pURL macro url to run
+     */
+
+    bool runMacro( const char* pURL)
+    {
+        return mpThis->pClass->runMacro( mpThis, pURL );
+    }
+
+    /**
+     * Exports the document and signes its content.
+     */
+    bool signDocument(const char* pURL,
+                       const unsigned char* pCertificateBinary, const int nCertificateBinarySize,
+                       const unsigned char* pPrivateKeyBinary, const int nPrivateKeyBinarySize)
+    {
+        return mpThis->pClass->signDocument(mpThis, pURL,
+                                            pCertificateBinary, nCertificateBinarySize,
+                                            pPrivateKeyBinary, nPrivateKeyBinarySize);
+    }
+
+    /**
+     * Runs the main-loop in the current thread. To trigger this
+     * mode you need to putenv a SAL_LOK_OPTIONS containing 'unipoll'.
+     * The @pPollCallback is called to poll for events from the Kit client
+     * and the @pWakeCallback can be called by internal LibreOfficeKit threads
+     * to wake the caller of 'runLoop' ie. the main thread.
+     *
+     * it is expected that runLoop does not return until Kit exit.
+     *
+     * @pData is a context/closure passed to both methods.
+     */
+    void runLoop(LibreOfficeKitPollCallback pPollCallback,
+                 LibreOfficeKitWakeCallback pWakeCallback,
+                 void* pData)
+    {
+        mpThis->pClass->runLoop(mpThis, pPollCallback, pWakeCallback, pData);
+    }
+
+    /**
+     * Posts a dialog event for the window with given id
+     *
+     * @param nWindowId id of the window to notify
+     * @param pArguments arguments of the event.
+     */
+    void sendDialogEvent(unsigned long long int nWindowId, const char* pArguments = NULL)
+    {
+        mpThis->pClass->sendDialogEvent(mpThis, nWindowId, pArguments);
+    }
+
+    /**
+     * Generic function to toggle and tweak various things in the core LO
+     *
+     * The currently available option names and their allowed values are:
+     *
+     * "profilezonerecording": "start" or "stop"
+     * Start or stop recording profile zone trace data in the process.
+     *
+     * "sallogoverride": "<string>"
+     * Override the SAL_LOG environment variable
+     *
+     * For the syntax of the string see the documentation for "Basic
+     * logging functionality" in LibreOffice internal API
+     * documentation (include/sal/log.hxx). If the logging selector
+     * has been set by this function to a non-empty value, that is used
+     * instead of the environment variable SAL_LOG.
+     *
+     * The parameter is not copied so you should pass a value that
+     * points to memory that will stay valid until you call setOption
+     * with this option name the next time.
+     *
+     * If you pass nullptr or an empty string as value, the
+     * environment variable SAL_LOG is again used as by default. You
+     * can switch back and forth as you like.
+     *
+     * "addfont": "<string>"
+     *
+     * Adds the font at the URL given.
+     *
+     * @param pOption the option name
+     * @param pValue its value
+     */
+    void setOption(const char* pOption, const char* pValue)
+    {
+        mpThis->pClass->setOption(mpThis, pOption, pValue);
+    }
+};
+
+/// Factory method to create a lok::Office instance.
+inline Office* lok_cpp_init(const char* pInstallPath, const char* pUserProfileUrl = NULL)
+{
+    LibreOfficeKit* pThis = lok_init_2(pInstallPath, pUserProfileUrl);
+    if (pThis == NULL || pThis->pClass->nSize == 0)
+        return NULL;
+    return new ::lok::Office(pThis);
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/LibreOfficeKit/LibreOfficeKitEnums.h b/include/LibreOfficeKit/LibreOfficeKitEnums.h
new file mode 100644
index 000000000..f1b232851
--- /dev/null
+++ b/include/LibreOfficeKit/LibreOfficeKitEnums.h
@@ -0,0 +1,1066 @@
+/* -*- 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_LIBREOFFICEKIT_LIBREOFFICEKITENUMS_H
+#define INCLUDED_LIBREOFFICEKIT_LIBREOFFICEKITENUMS_H
+
+#include <assert.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#if defined LOK_USE_UNSTABLE_API || defined LIBO_INTERNAL_ONLY
+typedef enum
+{
+  LOK_DOCTYPE_TEXT,
+  LOK_DOCTYPE_SPREADSHEET,
+  LOK_DOCTYPE_PRESENTATION,
+  LOK_DOCTYPE_DRAWING,
+  LOK_DOCTYPE_OTHER
+}
+LibreOfficeKitDocumentType;
+
+typedef enum
+{
+    LOK_PARTMODE_SLIDES,
+    LOK_PARTMODE_NOTES
+}
+LibreOfficeKitPartMode;
+
+typedef enum
+{
+    LOK_TILEMODE_RGBA,
+    LOK_TILEMODE_BGRA
+}
+LibreOfficeKitTileMode;
+
+typedef enum
+{
+    LOK_WINDOW_CLOSE,
+    LOK_WINDOW_PASTE
+}
+LibreOfficeKitWindowAction;
+
+typedef enum
+{
+    LOK_SELTYPE_NONE,
+    LOK_SELTYPE_TEXT,
+    LOK_SELTYPE_LARGE_TEXT, // unused (same as LOK_SELTYPE_COMPLEX)
+    LOK_SELTYPE_COMPLEX
+}
+LibreOfficeKitSelectionType;
+
+/** Optional features of LibreOfficeKit, in particular callbacks that block
+ *  LibreOfficeKit until the corresponding reply is received, which would
+ *  deadlock if the client does not support the feature.
+ *
+ *  @see lok::Office::setOptionalFeatures().
+ */
+typedef enum
+{
+    /**
+     * Handle LOK_CALLBACK_DOCUMENT_PASSWORD by prompting the user
+     * for a password.
+     *
+     * @see lok::Office::setDocumentPassword().
+     */
+    LOK_FEATURE_DOCUMENT_PASSWORD = (1ULL << 0),
+
+    /**
+     * Handle LOK_CALLBACK_DOCUMENT_PASSWORD_TO_MODIFY by prompting the user
+     * for a password.
+     *
+     * @see lok::Office::setDocumentPassword().
+     */
+    LOK_FEATURE_DOCUMENT_PASSWORD_TO_MODIFY = (1ULL << 1),
+
+    /**
+     * Request to have the part number as an 5th value in the
+     * LOK_CALLBACK_INVALIDATE_TILES payload.
+     */
+    LOK_FEATURE_PART_IN_INVALIDATION_CALLBACK = (1ULL << 2),
+
+    /**
+     * Turn off tile rendering for annotations
+     */
+    LOK_FEATURE_NO_TILED_ANNOTATIONS = (1ULL << 3),
+
+    /**
+     * Enable range based header data
+     */
+    LOK_FEATURE_RANGE_HEADERS = (1ULL << 4),
+
+    /**
+     * Request to have the active view's Id as the 1st value in the
+     * LOK_CALLBACK_INVALIDATE_VISIBLE_CURSOR payload.
+     */
+    LOK_FEATURE_VIEWID_IN_VISCURSOR_INVALIDATION_CALLBACK = (1ULL << 5)
+}
+LibreOfficeKitOptionalFeatures;
+
+// This enumerates the types of callbacks emitted to a LibreOfficeKit
+// object's callback function or to a LibreOfficeKitDocument object's
+// callback function. No callback type will be emitted to both. It is a
+// bit unfortunate that the same enum contains both kinds of
+// callbacks.
+
+// TODO: We should really add some indication at the documentation for
+// each enum value telling which type of callback it is.
+
+typedef enum
+{
+    /**
+     * Any tiles which are over the rectangle described in the payload are no
+     * longer valid.
+     *
+     * Rectangle format: "x, y, width, height", where all numbers are document
+     * coordinates, in twips. When all tiles are supposed to be dropped, the
+     * format is the "EMPTY" string.
+     *
+     * @see LOK_FEATURE_PART_IN_INVALIDATION_CALLBACK.
+     */
+    LOK_CALLBACK_INVALIDATE_TILES = 0,
+    /**
+     * The size and/or the position of the visible cursor changed.
+     *
+     * Old format is the same as LOK_CALLBACK_INVALIDATE_TILES.
+     * New format is a JSON with 3 elements the 'viewId' element represented by
+     * an integer value, a 'rectangle' element in the format "x, y, width, height",
+     * and a 'misspelledWord' element represented by an integer value: '1' when
+     * a misspelled word is at the cursor position, '0' when the word is
+     * not misspelled.
+     */
+    LOK_CALLBACK_INVALIDATE_VISIBLE_CURSOR = 1,
+    /**
+     * The list of rectangles representing the current text selection changed.
+     *
+     * List format is "rectangle1[; rectangle2[; ...]]" (without quotes and
+     * brackets), where rectangleN has the same format as
+     * LOK_CALLBACK_INVALIDATE_TILES. When there is no selection, an empty
+     * string is provided.
+     */
+    LOK_CALLBACK_TEXT_SELECTION = 2,
+    /**
+     * The position and size of the cursor rectangle at the text
+     * selection start. It is used to draw the selection handles.
+     *
+     * This callback must be called prior to LOK_CALLBACK_TEXT_SELECTION every
+     * time the selection is updated.
+     *
+     * Rectangle format is the same as LOK_CALLBACK_INVALIDATE_TILES.
+     */
+    LOK_CALLBACK_TEXT_SELECTION_START = 3,
+    /**
+     * The position and size of the cursor rectangle at the text
+     * selection end. It is used to draw the selection handles.
+     *
+     * This callback must be called prior to LOK_CALLBACK_TEXT_SELECTION every
+     * time the selection is updated.
+     *
+     * Rectangle format is the same as LOK_CALLBACK_INVALIDATE_TILES.
+     */
+    LOK_CALLBACK_TEXT_SELECTION_END = 4,
+    /**
+     * The blinking text cursor is now visible or not.
+     *
+     * Clients should assume that this is true initially and are expected to
+     * hide the blinking cursor at the rectangle described by
+     * LOK_CALLBACK_INVALIDATE_VISIBLE_CURSOR once it becomes false. Payload is
+     * either the "true" or the "false" string.
+     */
+    LOK_CALLBACK_CURSOR_VISIBLE = 5,
+    /**
+     * The size and/or the position of the graphic selection changed,
+     * the rotation angle of the embedded graphic object, and a property list
+     * which can be used for informing the client about several properties.
+     *
+     * Format is "x, y, width, height, angle, { list of properties }",
+     * where angle is in 100th of degree, and the property list is optional.
+     *
+     * The "{ list of properties }" part is in JSON format.
+     * Follow some examples of the property list part:
+     *
+     * 1) when the selected object is an image inserted in Writer:
+     *
+     *      { "isWriterGraphic": true }
+     *
+     * 2) when the selected object is a chart legend:
+     *
+     *      { "isDraggable": true, "isResizable": true, "isRotatable": false }
+     *
+     * 3) when the selected object is a pie segment in a chart:
+     *
+     *      {
+     *          "isDraggable": true,
+     *          "isResizable": false,
+     *          "isRotatable": false,
+     *          "dragInfo": {
+     *              "dragMethod": "PieSegmentDragging",
+     *              "initialOffset": 50,
+     *              "dragDirection": [x, y],
+     *              "svg": "<svg ..."
+     *          }
+     *      }
+     *
+     *      where the "svg" property is a string containing an svg document
+     *      which is a representation of the pie segment.
+     */
+    LOK_CALLBACK_GRAPHIC_SELECTION = 6,
+
+    /**
+     * User clicked on a hyperlink that should be handled by other
+     * applications accordingly.
+     */
+    LOK_CALLBACK_HYPERLINK_CLICKED = 7,
+
+    /**
+     * Emit state update to the client.
+     * For example, when cursor is on bold text, this callback is triggered
+     * with payload: ".uno:Bold=true"
+     */
+    LOK_CALLBACK_STATE_CHANGED = 8,
+
+    /**
+     * Start a "status indicator" (here restricted to a progress bar type
+     * indicator). The payload is the descriptive text (or empty). Even if
+     * there is no documentation that would promise so, we assume that de facto
+     * for a document being viewed or edited, there will be at most one status
+     * indicator, and its descriptive text will not change.
+     *
+     * Note that for the case of the progress indication during loading of a
+     * document, the status indicator callbacks will arrive to the callback
+     * registered for the LibreOfficeKit (singleton) object, not a
+     * LibreOfficeKitDocument one, because we are in the very progress of
+     * loading a document and then constructing a LibreOfficeKitDocument
+     * object.
+     */
+    LOK_CALLBACK_STATUS_INDICATOR_START = 9,
+
+    /**
+     * Sets the numeric value of the status indicator.
+     * The payload should be a percentage, an integer between 0 and 100.
+     */
+    LOK_CALLBACK_STATUS_INDICATOR_SET_VALUE = 10,
+
+    /**
+     * Ends the status indicator.
+     *
+     * Not necessarily ever emitted.
+     */
+    LOK_CALLBACK_STATUS_INDICATOR_FINISH = 11,
+
+    /**
+     * No match was found for the search input
+     */
+    LOK_CALLBACK_SEARCH_NOT_FOUND = 12,
+
+    /**
+     * Size of the document changed.
+     *
+     * Payload format is "width, height", i.e. clients get the new size without
+     * having to do an explicit lok::Document::getDocumentSize() call.
+     *
+     * A size change is always preceded by a series of
+     * LOK_CALLBACK_INVALIDATE_TILES events invalidating any areas
+     * need re-rendering to adapt.
+     */
+    LOK_CALLBACK_DOCUMENT_SIZE_CHANGED = 13,
+
+    /**
+     * The current part number is changed.
+     *
+     * Payload is a single 0-based integer.
+     */
+    LOK_CALLBACK_SET_PART = 14,
+
+    /**
+     * Selection rectangles of the search result when find all is performed.
+     *
+     * Payload format example, in case of two matches:
+     *
+     * {
+     *     "searchString": "...",
+     *     "highlightAll": true|false, // this is a result of 'search all'
+     *     "searchResultSelection": [
+     *         {
+     *             "part": "...",
+     *             "rectangles": "..."
+     *         },
+     *         {
+     *             "part": "...",
+     *             "rectangles": "..."
+     *         }
+     *     ]
+     * }
+     *
+     * - searchString is the search query
+     * - searchResultSelection is an array of part-number and rectangle list
+     *   pairs, in LOK_CALLBACK_SET_PART / LOK_CALLBACK_TEXT_SELECTION format.
+     */
+    LOK_CALLBACK_SEARCH_RESULT_SELECTION = 15,
+
+    /**
+     * Result of the UNO command execution when bNotifyWhenFinished was set
+     * to 'true' during the postUnoCommand() call.
+     *
+     * The result returns a success / failure state, and potentially
+     * additional data:
+     *
+     * {
+     *     "commandName": "...",    // the command for which this is the result
+     *     "success": true/false,   // when the result is "don't know", this is missing
+     *     // TODO "result": "..."  // UNO Any converted to JSON (not implemented yet)
+     * }
+     */
+    LOK_CALLBACK_UNO_COMMAND_RESULT = 16,
+
+    /**
+     * The size and/or the position of the cell cursor changed.
+     *
+     * Payload format: "x, y, width, height, column, row", where the first
+     * 4 numbers are document coordinates, in twips, and the last 2 are table
+     * coordinates starting from 0.
+     * When the cursor is not shown the payload format is the "EMPTY" string.
+     *
+     * Rectangle format is the same as LOK_CALLBACK_INVALIDATE_TILES.
+     */
+    LOK_CALLBACK_CELL_CURSOR = 17,
+
+    /**
+     * The current mouse pointer style.
+     *
+     * Payload is a css mouse pointer style.
+     */
+    LOK_CALLBACK_MOUSE_POINTER = 18,
+
+    /**
+     * The text content of the formula bar in Calc.
+     */
+    LOK_CALLBACK_CELL_FORMULA = 19,
+
+    /**
+     * Loading a document requires a password.
+     *
+     * Loading the document is blocked until the password is provided via
+     * lok::Office::setDocumentPassword().  The document cannot be loaded
+     * without the password.
+     */
+    LOK_CALLBACK_DOCUMENT_PASSWORD = 20,
+
+    /**
+     * Editing a document requires a password.
+     *
+     * Loading the document is blocked until the password is provided via
+     * lok::Office::setDocumentPassword().
+     */
+    LOK_CALLBACK_DOCUMENT_PASSWORD_TO_MODIFY = 21,
+
+    /**
+     * An error happened.
+     *
+     * The payload returns information further identifying the error, like:
+     *
+     * {
+     *     "classification": "error" | "warning" | "info"
+     *     "kind": "network" etc.
+     *     "code": a structured 32-bit error code, the ErrCode from LibreOffice's <tools/errcode.hxx>
+     *     "message": freeform description
+     * }
+     */
+    LOK_CALLBACK_ERROR = 22,
+
+    /**
+     * Context menu structure
+     *
+     * Returns the structure of context menu.  Contains all the separators &
+     * submenus, example of the returned structure:
+     *
+     * {
+     *     "menu": [
+     *         { "text": "label text1", "type": "command", "command": ".uno:Something1", "enabled": "true" },
+     *         { "text": "label text2", "type": "command", "command": ".uno:Something2", "enabled": "false" },
+     *         { "type": "separator" },
+     *         { "text": "label text2", "type": "menu", "menu": [ { ... }, { ... }, ... ] },
+     *         ...
+     *     ]
+     * }
+     *
+     * The 'command' can additionally have a checkable status, like:
+     *
+     *     {"text": "label text3", "type": "command", "command": ".uno:Something3", "checktype": "checkmark|radio|auto", "checked": "true|false"}
+     */
+    LOK_CALLBACK_CONTEXT_MENU = 23,
+
+    /**
+     * The size and/or the position of the view cursor changed. A view cursor
+     * is a cursor of another view, the current view can't change it.
+     *
+     * The payload format:
+     *
+     * {
+     *     "viewId": "..."
+     *     "rectangle": "..."
+     * }
+     *
+     * - viewId is a value returned earlier by lok::Document::createView()
+     * - rectangle uses the format of LOK_CALLBACK_INVALIDATE_VISIBLE_CURSOR
+     */
+    LOK_CALLBACK_INVALIDATE_VIEW_CURSOR = 24,
+
+    /**
+     * The text selection in one of the other views has changed.
+     *
+     * The payload format:
+     *
+     * {
+     *     "viewId": "..."
+     *     "selection": "..."
+     * }
+     *
+     * - viewId is a value returned earlier by lok::Document::createView()
+     * - selection uses the format of LOK_CALLBACK_TEXT_SELECTION.
+     */
+    LOK_CALLBACK_TEXT_VIEW_SELECTION = 25,
+
+    /**
+     * The cell cursor in one of the other views has changed.
+     *
+     * The payload format:
+     *
+     * {
+     *     "viewId": "..."
+     *     "rectangle": "..."
+     * }
+     *
+     * - viewId is a value returned earlier by lok::Document::createView()
+     * - rectangle uses the format of LOK_CALLBACK_CELL_CURSOR.
+     */
+    LOK_CALLBACK_CELL_VIEW_CURSOR = 26,
+
+    /**
+     * The size and/or the position of a graphic selection in one of the other
+     * views has changed.
+     *
+     * The payload format:
+     *
+     * {
+     *     "viewId": "..."
+     *     "selection": "..."
+     * }
+     *
+     * - viewId is a value returned earlier by lok::Document::createView()
+     * - selection uses the format of LOK_CALLBACK_INVALIDATE_TILES.
+     */
+    LOK_CALLBACK_GRAPHIC_VIEW_SELECTION = 27,
+
+    /**
+     * The blinking text cursor in one of the other views is now visible or
+     * not.
+     *
+     * The payload format:
+     *
+     * {
+     *     "viewId": "..."
+     *     "visible": "..."
+     * }
+     *
+     * - viewId is a value returned earlier by lok::Document::createView()
+     * - visible uses the format of LOK_CALLBACK_CURSOR_VISIBLE.
+     */
+    LOK_CALLBACK_VIEW_CURSOR_VISIBLE = 28,
+
+    /**
+     * The size and/or the position of a lock rectangle in one of the other
+     * views has changed.
+     *
+     * The payload format:
+     *
+     * {
+     *     "viewId": "..."
+     *     "rectangle": "..."
+     * }
+     *
+     * - viewId is a value returned earlier by lok::Document::createView()
+     * - rectangle uses the format of LOK_CALLBACK_INVALIDATE_TILES.
+     */
+    LOK_CALLBACK_VIEW_LOCK = 29,
+
+    /**
+     * The size of the change tracking table has changed.
+     *
+     * The payload example:
+     * {
+     *     "redline": {
+     *         "action": "Remove",
+     *         "index": "1",
+     *         "author": "Unknown Author",
+     *         "type": "Delete",
+     *         "comment": "",
+     *         "description": "Delete 'abc'",
+     *         "dateTime": "2016-08-18T12:14:00"
+     *     }
+     * }
+     *
+     * The format is the same as an entry of
+     * lok::Document::getCommandValues('.uno:AcceptTrackedChanges'), extra
+     * fields:
+     *
+     * - 'action' is either 'Add' or 'Remove', depending on if this is an
+     *   insertion into the table or a removal.
+     */
+    LOK_CALLBACK_REDLINE_TABLE_SIZE_CHANGED = 30,
+
+    /**
+     * An entry in the change tracking table has been modified.
+     *
+     * The payload example:
+     * {
+     *     "redline": {
+     *         "action": "Modify",
+     *         "index": "1",
+     *         "author": "Unknown Author",
+     *         "type": "Insert",
+     *         "comment": "",
+     *         "description": "Insert 'abcd'",
+     *         "dateTime": "2016-08-18T13:13:00"
+     *     }
+     * }
+     *
+     * The format is the same as an entry of
+     * lok::Document::getCommandValues('.uno:AcceptTrackedChanges'), extra
+     * fields:
+     *
+     * - 'action' is 'Modify'.
+     */
+    LOK_CALLBACK_REDLINE_TABLE_ENTRY_MODIFIED = 31,
+
+    /**
+     * There is some change in comments in the document
+     *
+     * The payload example:
+     * {
+     *     "comment": {
+     *         "action": "Add",
+     *         "id": "11",
+     *         "parent": "4",
+     *         "author": "Unknown Author",
+     *         "text": "",
+     *         "dateTime": "2016-08-18T13:13:00",
+     *         "anchorPos": "4529, 3906",
+     *         "textRange": "1418, 3906, 3111, 919"
+     *     }
+     * }
+     *
+     * The format is the same as an entry of
+     * lok::Document::getCommandValues('.uno:ViewAnnotations'), extra
+     * fields:
+     *
+     * - 'action' can be 'Add', 'Remove' or 'Modify' depending on whether
+     *    comment has been added, removed or modified.
+     */
+    LOK_CALLBACK_COMMENT = 32,
+
+    /**
+     * The column/row header is no more valid because of a column/row insertion
+     * or a similar event. Clients must query a new column/row header set.
+     *
+     * The payload says if we are invalidating a row or column header. So,
+     * payload values can be: "row", "column", "all".
+     */
+    LOK_CALLBACK_INVALIDATE_HEADER = 33,
+    /**
+     * The text content of the address field in Calc. Eg: "A7"
+     */
+    LOK_CALLBACK_CELL_ADDRESS = 34,
+    /**
+     * The key ruler related properties on change are reported by this.
+     *
+     * The payload format is:
+     *
+     * {
+     *      "margin1": "...",
+     *      "margin2": "...",
+     *      "leftOffset": "...",
+     *      "pageOffset": "...",
+     *      "pageWidth": "...",
+     *      "unit": "..."
+     *  }
+     *
+     * Here all aproperties are same as described in svxruler.
+     */
+    LOK_CALLBACK_RULER_UPDATE = 35,
+    /**
+     * Window related callbacks are emitted under this category. It includes
+     * external windows like dialogs, autopopups for now.
+     *
+     * The payload format is:
+     *
+     * {
+     *    "id": "unique integer id of the dialog",
+     *    "action": "<see below>",
+     *    "type": "<see below>"
+     *    "rectangle": "x, y, width, height"
+     * }
+     *
+     * "type" tells the type of the window the action is associated with
+     *  - "dialog" - window is a dialog
+     *  - "child" - window is a floating window (combo boxes, etc.)
+     *  - "deck" - window is a docked/floating deck (i.e. the sidebar)
+     *  - "tooltip" - window is a tooltip popup
+     *
+     * "action" can take following values:
+     * - "created" - window is created in the backend, client can render it now
+     * - "title_changed" - window's title is changed
+     * - "size_changed" - window's size is changed
+     * - "invalidate" - the area as described by "rectangle" is invalidated
+     *    Clients must request the new area
+     * - "cursor_invalidate" - cursor is invalidated. New position is in "rectangle"
+     * - "cursor_visible" - cursor visible status is changed. Status is available
+     *    in "visible" field
+     * - "close" - window is closed
+     * - "show" - show the window
+     * - "hide" - hide the window
+     */
+    LOK_CALLBACK_WINDOW = 36,
+
+    /**
+     * When for the current cell is defined a validity list we need to show
+     * a drop down button in the form of a marker.
+     *
+     * The payload format is: "x, y, visible" where x, y are the current
+     * cell cursor coordinates and visible is set to 0 or 1.
+     */
+    LOK_CALLBACK_VALIDITY_LIST_BUTTON = 37,
+
+    /**
+     * Notification that the clipboard contents have changed.
+     * Typically fired in response to copying to clipboard.
+     *
+     * Payload is optional. When payload is empty, Online gets string from selected text.
+     * Payload format is JSON.
+     * Example: { "mimeType": "text/plain", "content": "some content" }
+     */
+    LOK_CALLBACK_CLIPBOARD_CHANGED = 38,
+
+    /**
+     * When the (editing) context changes - like the user switches from
+     * editing textbox in Impress to editing a shape there.
+     *
+     * Payload is the application ID and context, delimited by space.
+     * Eg. com.sun.star.presentation.PresentationDocument TextObject
+     */
+    LOK_CALLBACK_CONTEXT_CHANGED = 39,
+
+    /**
+     * On-load notification of the document signature status.
+     */
+    LOK_CALLBACK_SIGNATURE_STATUS = 40,
+
+    /**
+     * Profiling tracing information single string of multiple lines
+     * containing <pid> <timestamp> and zone start/stop information
+     */
+    LOK_CALLBACK_PROFILE_FRAME = 41,
+
+    /**
+     * The position and size of the cell selection area. It is used to
+     * draw the selection handles for cells in Calc documents.
+     *
+     * Rectangle format is the same as LOK_CALLBACK_INVALIDATE_TILES.
+     */
+    LOK_CALLBACK_CELL_SELECTION_AREA = 42,
+
+    /**
+     * The position and size of the cell auto fill area. It is used to
+     * trigger auto fill functionality if that area is hit.
+     *
+     * Rectangle format is the same as LOK_CALLBACK_INVALIDATE_TILES.
+     */
+    LOK_CALLBACK_CELL_AUTO_FILL_AREA = 43,
+
+    /**
+     * When the cursor is in a table or a table is selected in the
+     * document, this sends the table's column and row border positions
+     * to the client. If the payload is empty (empty JSON object), then
+     * no table is currently selected or the cursor is not inside a table
+     * cell.
+     */
+    LOK_CALLBACK_TABLE_SELECTED = 44,
+
+    /*
+     * Show reference marks from payload.
+     *
+     * Example payload:
+     * {
+     *     "marks": [
+     *         { "rectangle": "3825, 3315, 1245, 2010", "color": "0000ff", "part": "0" },
+     *         { "rectangle": "8925, 4335, 2520, 735", "color": "ff0000", "part": "0" },
+     *         ...
+     *     ]
+     * }
+     */
+    LOK_CALLBACK_REFERENCE_MARKS = 45,
+
+    /**
+     * Callback related to native dialogs generated in JavaScript from
+     * the description.
+     */
+    LOK_CALLBACK_JSDIALOG = 46,
+
+    /**
+     * Send the list of functions whose name starts with the characters entered
+     * by the user in the formula input bar.
+     */
+    LOK_CALLBACK_CALC_FUNCTION_LIST = 47,
+
+    /**
+     * Sends the tab stop list for the current of the current cursor position.
+     */
+    LOK_CALLBACK_TAB_STOP_LIST = 48,
+
+    /**
+     * Sends all information for displaying form field button for a text based field.
+     *
+     * It contains the position where the frame with the button should be displayed and
+     * also contains all information that the popup window needs.
+     *
+     * The payload example:
+     * {
+     *      "action": "show",
+     *      "type": "drop-down",
+     *      "textArea": "1418, 3906, 3111, 919",
+     *      "params": {
+     *           "items": ["January", "February", "July"],
+     *           "selected": "2",
+     *           "placeholder": "No items specified"
+     *      }
+     * }
+     *
+     * or
+     * {
+     *      "action": "hide",
+     *      "type": "drop-down"
+     * }
+     */
+    LOK_CALLBACK_FORM_FIELD_BUTTON = 49,
+
+    /**
+     * This is Calc specific. Indicates that some or all of the current sheet's
+     * geometry data has changed. Clients must request a full or partial sheet
+     * geometry data set.
+     *
+     * The payload specifies what part of the sheet geometry data has changed.
+     * The payload format is:
+     * 'all|rows|columns [sizes [hidden [filtered [groups]]]]'
+     *
+     * For example, the payload 'rows sizes groups' indicates that the row heights
+     * and row-groups data have changed.
+     */
+    LOK_CALLBACK_INVALIDATE_SHEET_GEOMETRY = 50,
+
+    /**
+     * When for the current cell is defined an input help text.
+     *
+     * The payload format is JSON: { "title": "title text", "content": "content text" }
+     */
+    LOK_CALLBACK_VALIDITY_INPUT_HELP = 51,
+
+    /**
+     * This is currently Calc only. Indicates the document background
+     * color in the payload as a RGB hex string (RRGGBB).
+     */
+    LOK_CALLBACK_DOCUMENT_BACKGROUND_COLOR = 52,
+
+    /**
+     * When a user tries to use command which is restricted for that user
+     */
+    LOK_COMMAND_BLOCKED = 53,
+
+    /**
+     * The position of the cell cursor jumped to.
+     *
+     * Payload format: "x, y, width, height, column, row", where the first
+     * 4 numbers are document coordinates, in twips, and the last 2 are table
+     * coordinates starting from 0.
+     * When the cursor is not shown the payload format is the "EMPTY" string.
+     *
+     * Rectangle format is the same as LOK_CALLBACK_INVALIDATE_TILES.
+     */
+    LOK_CALLBACK_SC_FOLLOW_JUMP = 54,
+
+    /**
+     * Sends all information for displaying metadata for a text based content control.
+     *
+     * Examples:
+     * Entered a rich text content control:
+     * {
+     *     "action": "show",
+     *     "rectangles": "1418, 1694, 720, 551; 10291, 1418, 1099, 275"
+     * }
+     *
+     * Left a rich text content control:
+     * {
+     *     "action": "hide"
+     * }
+     *
+     * Entered a dropdown content control:
+     * {
+     *     "action": "show",
+     *     "rectangles": "...",
+     *     "items": ["red", "green", "blue"]
+     * }
+     *
+     * Clicked on a picture content control's placeholder:
+     * {
+     *     "action": "change-picture"
+     * }
+     *
+     * Entered a date content control:
+     * {
+     *     "action": "show",
+     *     "rectangles": "...",
+     *     "date": "true"
+     * }
+     */
+    LOK_CALLBACK_CONTENT_CONTROL = 55,
+
+    /**
+     * This is Calc specific. The payload contains print ranges of all
+     * sheets in the document.
+     *
+     * Payload example:
+     * {
+     *     "printranges" : [
+     *         {
+     *             "sheet": 0,
+     *             "ranges": [
+     *                 [0, 0, 4, 5],
+     *                 [5, 100, 8, 150]
+     *             ]
+     *         },
+     *         {
+     *             "sheet": 3,
+     *             "ranges": [
+     *                 [1, 0, 6, 10],
+     *                 [3, 200, 6, 230]
+     *             ]
+     *         }
+     *     ]
+     * }
+     *
+     * The format of the inner "ranges" array for each sheet is
+     * [<startColumn>, <startRow>, <endColumn>, <endRow>]
+     */
+    LOK_CALLBACK_PRINT_RANGES = 56,
+}
+LibreOfficeKitCallbackType;
+
+typedef enum
+{
+    /// A key on the keyboard is pressed.
+    LOK_KEYEVENT_KEYINPUT,
+    /// A key on the keyboard is released.
+    LOK_KEYEVENT_KEYUP
+}
+LibreOfficeKitKeyEventType;
+
+typedef enum
+{
+    /// cf. SalEvent::ExtTextInput
+    LOK_EXT_TEXTINPUT,
+    /// cf. SalEvent::ExtTextInputPos
+    LOK_EXT_TEXTINPUT_POS,
+    /// cf. SalEvent::EndExtTextInput
+    LOK_EXT_TEXTINPUT_END
+}
+LibreOfficeKitExtTextInputType;
+
+/// Returns the string representation of a LibreOfficeKitCallbackType enumeration element.
+static inline const char* lokCallbackTypeToString(int nType)
+{
+    switch (static_cast<LibreOfficeKitCallbackType>(nType))
+    {
+    case LOK_CALLBACK_INVALIDATE_TILES:
+        return "LOK_CALLBACK_INVALIDATE_TILES";
+    case LOK_CALLBACK_INVALIDATE_VISIBLE_CURSOR:
+        return "LOK_CALLBACK_INVALIDATE_VISIBLE_CURSOR";
+    case LOK_CALLBACK_TEXT_SELECTION:
+        return "LOK_CALLBACK_TEXT_SELECTION";
+    case LOK_CALLBACK_TEXT_SELECTION_START:
+        return "LOK_CALLBACK_TEXT_SELECTION_START";
+    case LOK_CALLBACK_TEXT_SELECTION_END:
+        return "LOK_CALLBACK_TEXT_SELECTION_END";
+    case LOK_CALLBACK_CURSOR_VISIBLE:
+        return "LOK_CALLBACK_CURSOR_VISIBLE";
+    case LOK_CALLBACK_VIEW_CURSOR_VISIBLE:
+        return "LOK_CALLBACK_VIEW_CURSOR_VISIBLE";
+    case LOK_CALLBACK_GRAPHIC_SELECTION:
+        return "LOK_CALLBACK_GRAPHIC_SELECTION";
+    case LOK_CALLBACK_GRAPHIC_VIEW_SELECTION:
+        return "LOK_CALLBACK_GRAPHIC_VIEW_SELECTION";
+    case LOK_CALLBACK_CELL_CURSOR:
+        return "LOK_CALLBACK_CELL_CURSOR";
+    case LOK_CALLBACK_HYPERLINK_CLICKED:
+        return "LOK_CALLBACK_HYPERLINK_CLICKED";
+    case LOK_CALLBACK_MOUSE_POINTER:
+        return "LOK_CALLBACK_MOUSE_POINTER";
+    case LOK_CALLBACK_STATE_CHANGED:
+        return "LOK_CALLBACK_STATE_CHANGED";
+    case LOK_CALLBACK_STATUS_INDICATOR_START:
+        return "LOK_CALLBACK_STATUS_INDICATOR_START";
+    case LOK_CALLBACK_STATUS_INDICATOR_SET_VALUE:
+        return "LOK_CALLBACK_STATUS_INDICATOR_SET_VALUE";
+    case LOK_CALLBACK_STATUS_INDICATOR_FINISH:
+        return "LOK_CALLBACK_STATUS_INDICATOR_FINISH";
+    case LOK_CALLBACK_SEARCH_NOT_FOUND:
+        return "LOK_CALLBACK_SEARCH_NOT_FOUND";
+    case LOK_CALLBACK_DOCUMENT_SIZE_CHANGED:
+        return "LOK_CALLBACK_DOCUMENT_SIZE_CHANGED";
+    case LOK_CALLBACK_SET_PART:
+        return "LOK_CALLBACK_SET_PART";
+    case LOK_CALLBACK_SEARCH_RESULT_SELECTION:
+        return "LOK_CALLBACK_SEARCH_RESULT_SELECTION";
+    case LOK_CALLBACK_DOCUMENT_PASSWORD:
+        return "LOK_CALLBACK_DOCUMENT_PASSWORD";
+    case LOK_CALLBACK_DOCUMENT_PASSWORD_TO_MODIFY:
+        return "LOK_CALLBACK_DOCUMENT_PASSWORD_TO_MODIFY";
+    case LOK_CALLBACK_CONTEXT_MENU:
+        return "LOK_CALLBACK_CONTEXT_MENU";
+    case LOK_CALLBACK_INVALIDATE_VIEW_CURSOR:
+        return "LOK_CALLBACK_INVALIDATE_VIEW_CURSOR";
+    case LOK_CALLBACK_TEXT_VIEW_SELECTION:
+        return "LOK_CALLBACK_TEXT_VIEW_SELECTION";
+    case LOK_CALLBACK_CELL_VIEW_CURSOR:
+        return "LOK_CALLBACK_CELL_VIEW_CURSOR";
+    case LOK_CALLBACK_CELL_ADDRESS:
+        return "LOK_CALLBACK_CELL_ADDRESS";
+    case LOK_CALLBACK_CELL_FORMULA:
+        return "LOK_CALLBACK_CELL_FORMULA";
+    case LOK_CALLBACK_UNO_COMMAND_RESULT:
+        return "LOK_CALLBACK_UNO_COMMAND_RESULT";
+    case LOK_CALLBACK_ERROR:
+        return "LOK_CALLBACK_ERROR";
+    case LOK_CALLBACK_VIEW_LOCK:
+        return "LOK_CALLBACK_VIEW_LOCK";
+    case LOK_CALLBACK_REDLINE_TABLE_SIZE_CHANGED:
+        return "LOK_CALLBACK_REDLINE_TABLE_SIZE_CHANGED";
+    case LOK_CALLBACK_REDLINE_TABLE_ENTRY_MODIFIED:
+        return "LOK_CALLBACK_REDLINE_TABLE_ENTRY_MODIFIED";
+    case LOK_CALLBACK_INVALIDATE_HEADER:
+        return "LOK_CALLBACK_INVALIDATE_HEADER";
+    case LOK_CALLBACK_COMMENT:
+        return "LOK_CALLBACK_COMMENT";
+    case LOK_CALLBACK_RULER_UPDATE:
+        return "LOK_CALLBACK_RULER_UPDATE";
+    case LOK_CALLBACK_WINDOW:
+        return "LOK_CALLBACK_WINDOW";
+    case LOK_CALLBACK_VALIDITY_LIST_BUTTON:
+        return "LOK_CALLBACK_VALIDITY_LIST_BUTTON";
+    case LOK_CALLBACK_VALIDITY_INPUT_HELP:
+        return "LOK_CALLBACK_VALIDITY_INPUT_HELP";
+    case LOK_CALLBACK_CLIPBOARD_CHANGED:
+        return "LOK_CALLBACK_CLIPBOARD_CHANGED";
+    case LOK_CALLBACK_CONTEXT_CHANGED:
+        return "LOK_CALLBACK_CONTEXT_CHANGED";
+    case LOK_CALLBACK_SIGNATURE_STATUS:
+        return "LOK_CALLBACK_SIGNATURE_STATUS";
+    case LOK_CALLBACK_PROFILE_FRAME:
+        return "LOK_CALLBACK_PROFILE_FRAME";
+    case LOK_CALLBACK_CELL_SELECTION_AREA:
+        return "LOK_CALLBACK_CELL_SELECTION_AREA";
+    case LOK_CALLBACK_CELL_AUTO_FILL_AREA:
+        return "LOK_CALLBACK_CELL_AUTO_FILL_AREA";
+    case LOK_CALLBACK_TABLE_SELECTED:
+        return "LOK_CALLBACK_TABLE_SELECTED";
+    case LOK_CALLBACK_REFERENCE_MARKS:
+        return "LOK_CALLBACK_REFERENCE_MARKS";
+    case LOK_CALLBACK_JSDIALOG:
+        return "LOK_CALLBACK_JSDIALOG";
+    case LOK_CALLBACK_CALC_FUNCTION_LIST:
+        return "LOK_CALLBACK_CALC_FUNCTION_LIST";
+    case LOK_CALLBACK_TAB_STOP_LIST:
+        return "LOK_CALLBACK_TAB_STOP_LIST";
+    case LOK_CALLBACK_FORM_FIELD_BUTTON:
+        return "LOK_CALLBACK_FORM_FIELD_BUTTON";
+    case LOK_CALLBACK_INVALIDATE_SHEET_GEOMETRY:
+        return "LOK_CALLBACK_INVALIDATE_SHEET_GEOMETRY";
+    case LOK_CALLBACK_DOCUMENT_BACKGROUND_COLOR:
+        return "LOK_CALLBACK_DOCUMENT_BACKGROUND_COLOR";
+    case LOK_COMMAND_BLOCKED:
+        return "LOK_COMMAND_BLOCKED";
+    case LOK_CALLBACK_SC_FOLLOW_JUMP:
+        return "LOK_CALLBACK_SC_FOLLOW_JUMP";
+    case LOK_CALLBACK_CONTENT_CONTROL:
+        return "LOK_CALLBACK_CONTENT_CONTROL";
+    case LOK_CALLBACK_PRINT_RANGES:
+        return "LOK_CALLBACK_PRINT_RANGES";
+    }
+
+    assert(!"Unknown LibreOfficeKitCallbackType type.");
+    return nullptr;
+}
+
+typedef enum
+{
+    /// A mouse button has been pressed down.
+    LOK_MOUSEEVENT_MOUSEBUTTONDOWN,
+    /// A mouse button has been let go.
+    LOK_MOUSEEVENT_MOUSEBUTTONUP,
+    /// The mouse has moved while a button is pressed.
+    LOK_MOUSEEVENT_MOUSEMOVE
+}
+LibreOfficeKitMouseEventType;
+
+typedef enum
+{
+    /// The start of selection is to be adjusted.
+    LOK_SETTEXTSELECTION_START,
+    /// The end of selection is to be adjusted.
+    LOK_SETTEXTSELECTION_END,
+    /// Both the start and the end of selection is to be adjusted.
+    LOK_SETTEXTSELECTION_RESET
+}
+LibreOfficeKitSetTextSelectionType;
+
+typedef enum
+{
+    /**
+     * A move or a resize action starts. It is assumed that there is a valid
+     * graphic selection (see LOK_CALLBACK_GRAPHIC_SELECTION) and the supplied
+     * coordinates are the ones the user tapped on.
+     *
+     * The type of the action is move by default, unless the coordinates are
+     * the position of a handle (see below), in which case it's a resize.
+     *
+     * There are 8 handles for a graphic selection:
+     * - top-left, top-center, top-right
+     * - middle-left, middle-right
+     * - bottom-left, bottom-center, bottom-right
+     */
+    LOK_SETGRAPHICSELECTION_START,
+    /**
+     * A move or resize action stops. It is assumed that this is always used
+     * only after a LOK_SETTEXTSELECTION_START. The supplied coordinates are
+     * the ones where the user released the screen.
+     */
+    LOK_SETGRAPHICSELECTION_END
+}
+LibreOfficeKitSetGraphicSelectionType;
+
+#endif // defined LOK_USE_UNSTABLE_API || defined LIBO_INTERNAL_ONLY
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // INCLUDED_LIBREOFFICEKIT_LIBREOFFICEKITENUMS_H
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/LibreOfficeKit/LibreOfficeKitGtk.h b/include/LibreOfficeKit/LibreOfficeKitGtk.h
new file mode 100644
index 000000000..83a2a1f75
--- /dev/null
+++ b/include/LibreOfficeKit/LibreOfficeKitGtk.h
@@ -0,0 +1,381 @@
+/* -*- 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_LIBREOFFICEKIT_LIBREOFFICEKITGTK_H
+#define INCLUDED_LIBREOFFICEKIT_LIBREOFFICEKITGTK_H
+
+#include <gtk/gtk.h>
+#include <gdk/gdk.h>
+
+#include <LibreOfficeKit/LibreOfficeKit.h>
+
+G_BEGIN_DECLS
+
+#define LOK_TYPE_DOC_VIEW            (lok_doc_view_get_type())
+#define LOK_DOC_VIEW(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), LOK_TYPE_DOC_VIEW, LOKDocView))
+#define LOK_IS_DOC_VIEW(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), LOK_TYPE_DOC_VIEW))
+#define LOK_DOC_VIEW_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass),  LOK_TYPE_DOC_VIEW, LOKDocViewClass))
+#define LOK_IS_DOC_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),  LOK_TYPE_DOC_VIEW))
+#define LOK_DOC_VIEW_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj),  LOK_TYPE_DOC_VIEW, LOKDocViewClass))
+
+typedef struct _LOKDocView        LOKDocView;
+typedef struct _LOKDocViewClass   LOKDocViewClass;
+typedef struct _LOKDocViewPrivate LOKDocViewPrivate;
+
+struct _LOKDocView
+{
+    GtkDrawingArea aDrawingArea;
+};
+
+struct _LOKDocViewClass
+{
+    GtkDrawingAreaClass parent_class;
+};
+
+GType                          lok_doc_view_get_type               (void) G_GNUC_CONST;
+
+/**
+ * lok_doc_view_new:
+ * @pPath: (nullable) (allow-none): LibreOffice install path. Pass null to set it to default
+ * path which in most cases would be $libdir/libreoffice/program
+ * @cancellable: The cancellable object that you can use to cancel this
+ * operation.
+ * @error: The error that will be set if the object fails to initialize.
+ *
+ * Returns: (transfer none): The #LOKDocView widget instance.
+ */
+GtkWidget*                     lok_doc_view_new                    (const gchar* pPath,
+                                                                    GCancellable *cancellable,
+                                                                    GError **error);
+
+/**
+ * lok_doc_view_new_from_user_profile:
+ * @pPath: (nullable) (allow-none): LibreOffice install path. Pass null to set it to default
+ * path which in most cases would be $libdir/libreoffice/program
+ * @pUserProfile: (nullable) (allow-none): User profile URL. Must be either a file URL or a
+ * special vnd.sun.star.pathname URL. Pass non-null to be able to use this
+ * widget and LibreOffice itself in parallel.
+ * @cancellable: The cancellable object that you can use to cancel this
+ * operation.
+ * @error: The error that will be set if the object fails to initialize.
+ *
+ * Returns: (transfer none): The #LOKDocView widget instance.
+ */
+GtkWidget*                     lok_doc_view_new_from_user_profile  (const gchar* pPath,
+                                                                    const gchar* pUserProfile,
+                                                                    GCancellable *cancellable,
+                                                                    GError **error);
+
+/**
+ * lok_doc_view_new_from_widget:
+ * @pDocView: The #LOKDocView instance
+ * @pRenderingArguments: (nullable) (allow-none): lok::Document::initializeForRendering() arguments.
+ *
+ * Returns: (transfer none): The #LOKDocView widget instance.
+ */
+GtkWidget*                     lok_doc_view_new_from_widget        (LOKDocView* pDocView,
+                                                                    const gchar* pRenderingArguments);
+
+/**
+ * lok_doc_view_open_document:
+ * @pDocView: The #LOKDocView instance
+ * @pPath: (transfer full): The path of the document that #LOKDocView widget should try to open
+ * @pRenderingArguments: (nullable) (allow-none): lok::Document::initializeForRendering() arguments.
+ * @cancellable:
+ * @callback:
+ * @userdata:
+ */
+void                           lok_doc_view_open_document          (LOKDocView* pDocView,
+                                                                    const gchar* pPath,
+                                                                    const gchar* pRenderingArguments,
+                                                                    GCancellable* cancellable,
+                                                                    GAsyncReadyCallback callback,
+                                                                    gpointer userdata);
+
+/**
+ * lok_doc_view_open_document_finish:
+ * @pDocView: The #LOKDocView instance
+ * @res:
+ * @error:
+ *
+ * Returns: %TRUE if the document is loaded successfully, %FALSE otherwise
+ */
+gboolean                       lok_doc_view_open_document_finish   (LOKDocView* pDocView,
+                                                                    GAsyncResult* res,
+                                                                    GError** error);
+
+/**
+ * lok_doc_view_get_document:
+ * @pDocView: The #LOKDocView instance
+ *
+ * Gets the document the viewer displays.
+ *
+ * Returns: The #LibreOfficeKitDocument instance the widget is currently showing
+ */
+LibreOfficeKitDocument*        lok_doc_view_get_document           (LOKDocView* pDocView);
+
+/**
+ * lok_doc_view_set_zoom:
+ * @pDocView: The #LOKDocView instance
+ * @fZoom: The new zoom level that pDocView must set it into.
+ *
+ * Sets the new zoom level for the widget. Does nothing if fZoom is equal to
+ * existing zoom level. Values outside the range [0.25, 5.0] are clamped into
+ * the nearest allowed value in the interval.
+ */
+void                           lok_doc_view_set_zoom               (LOKDocView* pDocView,
+                                                                    float fZoom);
+/**
+ * lok_doc_view_set_visible_area:
+ * @pDocView: The #LOKDocView instance
+ * @pVisibleArea: The new visible area of pDocView in twips.
+ *
+ * Sets the new visible area of the widget. This helps e.g. the page down key
+ * to jump the correct length, which depends on the amount of visible height of
+ * the document.
+ */
+void                           lok_doc_view_set_visible_area       (LOKDocView* pDocView,
+                                                                    GdkRectangle* pVisibleArea);
+
+/**
+ * lok_doc_view_get_zoom:
+ * @pDocView: The #LOKDocView instance
+ *
+ * Returns: The current zoom factor value in float for pDocView
+ */
+gfloat                         lok_doc_view_get_zoom               (LOKDocView* pDocView);
+
+/**
+ * lok_doc_view_get_parts:
+ * @pDocView: The #LOKDocView instance
+ *
+ * Returns: Part refers to either individual sheets in a Calc, or slides in Impress,
+ * and has no relevance for Writer. Returns -1 if no document is set currently.
+ */
+gint                           lok_doc_view_get_parts              (LOKDocView* pDocView);
+
+/**
+ * lok_doc_view_get_part:
+ * @pDocView: The #LOKDocView instance
+ *
+ * Returns: Current part number of the document. Returns -1 if no document is set currently.
+ */
+gint                           lok_doc_view_get_part               (LOKDocView* pDocView);
+
+/**
+ * lok_doc_view_set_part:
+ * @pDocView: The #LOKDocView instance
+ * @nPart:
+ */
+void                           lok_doc_view_set_part               (LOKDocView* pDocView,
+                                                                    int nPart);
+
+/**
+ * lok_doc_view_get_part_name:
+ * @pDocView: The #LOKDocView instance
+ * @nPart:
+ *
+ * Returns: Get current part name of loaded document. Returns null if no
+ * document is set, or document has been destroyed using lok_doc_view_destroy_document.
+ */
+gchar*                         lok_doc_view_get_part_name          (LOKDocView* pDocView,
+                                                                    int nPart);
+
+/**
+ * lok_doc_view_set_partmode:
+ * @pDocView: The #LOKDocView instance
+ * @nPartMode:
+ */
+void                           lok_doc_view_set_partmode           (LOKDocView* pDocView,
+                                                                    int nPartMode);
+
+/**
+ * lok_doc_view_reset_view:
+ * @pDocView: The #LOKDocView instance
+ */
+void                           lok_doc_view_reset_view             (LOKDocView* pDocView);
+
+/**
+ * lok_doc_view_set_edit:
+ * @pDocView: The #LOKDocView instance
+ * @bEdit: %TRUE if the pDocView should go in edit mode, %FALSE otherwise
+ *
+ * Sets if the viewer is actually an editor or not.
+ */
+void                           lok_doc_view_set_edit               (LOKDocView* pDocView,
+                                                                    gboolean bEdit);
+
+/**
+ * lok_doc_view_get_edit:
+ * @pDocView: The #LOKDocView instance
+ *
+ * Gets if the viewer is actually an editor or not.
+ *
+ * Returns: %TRUE if the given pDocView is in edit mode.
+ */
+gboolean                       lok_doc_view_get_edit               (LOKDocView* pDocView);
+
+/**
+ * lok_doc_view_post_command:
+ * @pDocView: the #LOKDocView instance
+ * @pCommand: the command to issue to LO core
+ * @pArguments: the arguments to the given command
+ * @bNotifyWhenFinished: normally false, but it may be useful for eg. .uno:Save
+ *
+ * Posts the .uno: command to the LibreOfficeKit.
+ */
+void                           lok_doc_view_post_command           (LOKDocView* pDocView,
+                                                                    const gchar* pCommand,
+                                                                    const gchar* pArguments,
+                                                                    gboolean bNotifyWhenFinished);
+
+/**
+ * lok_doc_view_get_command_values:
+ * @pDocView: the #LOKDocView instance
+ * @pCommand: the command to issue to LO core
+ *
+ * Get a json mapping of the possible values for the given command.
+ * In the form of: {commandName: unoCmd, commandValues: {possible_values}}
+ *
+ * Returns: A json mapping of the possible values for the given command
+ */
+gchar *                        lok_doc_view_get_command_values     (LOKDocView* pDocView,
+                                                                    const gchar* pCommand);
+
+/**
+ * lok_doc_view_find_next:
+ * @pDocView: The #LOKDocView instance
+ * @pText: text to search for
+ * @bHighlightAll: Whether all the matches should be highlighted or not
+ *
+ * Highlights the next matching text in the view. `search-not-found` signal will
+ * be emitted when no search is found
+ */
+void                           lok_doc_view_find_next              (LOKDocView* pDocView,
+                                                                    const gchar* pText,
+                                                                    gboolean bHighlightAll);
+
+/**
+ * lok_doc_view_find_prev:
+ * @pDocView: The #LOKDocView instance
+ * @pText: text to search for
+ * @bHighlightAll: Whether all the matches should be highlighted or not
+ *
+ * Highlights the previous matching text in the view. `search-not-found` signal
+ * will be emitted when no search is found
+ */
+void                           lok_doc_view_find_prev              (LOKDocView* pDocView,
+                                                                    const gchar* pText,
+                                                                    gboolean bHighlightAll);
+
+/**
+ * lok_doc_view_highlight_all:
+ * @pDocView: The #LOKDocView instance
+ * @pText: text to search for
+ *
+ * Highlights all matching texts in the view. `search-not-found` signal
+ * will be emitted when no search is found
+ */
+void                           lok_doc_view_highlight_all          (LOKDocView* pDocView,
+                                                                    const gchar* pText);
+
+/**
+ * lok_doc_view_copy_selection:
+ * @pDocView: The #LOKDocView instance
+ * @pMimeType: suggests the return format, for example text/plain;charset=utf-8
+ * @pUsedMimeType: (out): output parameter to inform about the determined format
+ * (suggested or plain text).
+ *
+ * Returns: Selected text. The caller must free the returned buffer after
+ * use. Returns null if no document is set.
+ */
+gchar*                          lok_doc_view_copy_selection        (LOKDocView* pDocView,
+                                                                    const gchar* pMimeType,
+                                                                    gchar** pUsedMimeType);
+
+/**
+ * lok_doc_view_paste:
+ * @pDocView: The #LOKDocView instance
+ * @pMimeType: format of pData, for example text/plain;charset=utf-8
+ * @pData: the data to be pasted
+ * @nSize: length of data to be pasted
+ *
+ * Pastes the content at the current cursor position
+ *
+ * Returns: if pData was pasted successfully.
+ */
+gboolean                        lok_doc_view_paste                 (LOKDocView* pDocView,
+                                                                    const gchar* pMimeType,
+                                                                    const gchar* pData,
+                                                                    gsize nSize);
+
+/**
+ * lok_doc_view_set_document_password:
+ * @pDocView: The #LOKDocView instance
+ * @pURL: the URL of the document to set password for, as sent with signal `password-required`
+ * @pPassword: (nullable) (allow-none): the password, NULL for no password
+ *
+ * Set the password for password protected documents
+ */
+void                            lok_doc_view_set_document_password (LOKDocView* pDocView,
+                                                                    const gchar* pURL,
+                                                                    const gchar* pPassword);
+
+/**
+ * lok_doc_view_get_version_info:
+ * @pDocView: The #LOKDocView instance
+ *
+ * Get version information of the LOKit process
+ *
+ * Returns: JSON string containing version information in format:
+ * {ProductName: <>, ProductVersion: <>, ProductExtension: <>, BuildId: <>}
+ *
+ * Eg: {"ProductName": "LibreOffice",
+ * "ProductVersion": "5.3",
+ * "ProductExtension": ".0.0.alpha0",
+ * "BuildId": "<full 40 char git hash>"}
+ */
+gchar*                         lok_doc_view_get_version_info       (LOKDocView* pDocView);
+
+/**
+ * lok_doc_view_pixel_to_twip:
+ * @pDocView: The #LOKDocView instance
+ * @fInput: The value in pixels to convert to twips
+ *
+ * Converts the value in pixels to twips according to zoom level.
+ *
+ * Returns: The corresponding value in twips
+ */
+gfloat                         lok_doc_view_pixel_to_twip          (LOKDocView* pDocView,
+                                                                    float fInput);
+
+/**
+ * lok_doc_view_twip_to_pixel:
+ * @pDocView: The #LOKDocView instance
+ * @fInput: The value in twips to convert to pixels
+ *
+ * Converts the value in twips to pixels according to zoom level.
+ *
+ * Returns: The corresponding value in pixels
+ */
+gfloat                         lok_doc_view_twip_to_pixel          (LOKDocView* pDocView,
+                                                                    float fInput);
+
+/**
+ * lok_doc_view_send_content_control_event:
+ * @pDocView: The #LOKDocView instance
+ * @pArguments: (nullable) (allow-none): see lok::Document::sendContentControlEvent() for the details.
+ */
+void lok_doc_view_send_content_control_event(LOKDocView* pDocView, const gchar* pArguments);
+
+G_END_DECLS
+
+#endif // INCLUDED_LIBREOFFICEKIT_LIBREOFFICEKITGTK_H
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/LibreOfficeKit/LibreOfficeKitInit.h b/include/LibreOfficeKit/LibreOfficeKitInit.h
new file mode 100644
index 000000000..5bbb722b5
--- /dev/null
+++ b/include/LibreOfficeKit/LibreOfficeKitInit.h
@@ -0,0 +1,364 @@
+/* -*- 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_LIBREOFFICEKIT_LIBREOFFICEKITINIT_H
+#define INCLUDED_LIBREOFFICEKIT_LIBREOFFICEKITINIT_H
+
+#include <LibreOfficeKit/LibreOfficeKit.h>
+
+#if defined __GNUC__ || defined __clang__
+#  define LOK_TOLERATE_UNUSED __attribute__((used))
+#else
+#  define LOK_TOLERATE_UNUSED
+#endif
+
+#if defined(__linux__) || defined (__FreeBSD__) || defined(_AIX) ||\
+    defined(_WIN32) || defined(__APPLE__) || defined (__NetBSD__) ||\
+    defined (__sun) || defined(__OpenBSD__)
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+
+#ifndef _WIN32
+
+    #include <dlfcn.h>
+
+    #ifdef  _AIX
+    #  include <sys/ldr.h>
+    #endif
+    #ifdef __APPLE__
+        #define TARGET_LIB        "lib" "sofficeapp" ".dylib"
+        #define TARGET_MERGED_LIB "lib" "mergedlo" ".dylib"
+    #else
+        #define TARGET_LIB        "lib" "sofficeapp" ".so"
+        #define TARGET_MERGED_LIB "lib" "mergedlo" ".so"
+    #endif
+    #define SEPARATOR         '/'
+
+#else
+
+    #if !defined WIN32_LEAN_AND_MEAN
+        #define WIN32_LEAN_AND_MEAN
+    #endif
+    #include  <windows.h>
+    #define TARGET_LIB        "sofficeapp" ".dll"
+    #define TARGET_MERGED_LIB "mergedlo" ".dll"
+    #define SEPARATOR         '\\'
+    #define UNOPATH           "\\..\\URE\\bin"
+
+#endif
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#ifndef _WIN32
+
+#if !defined(IOS)
+        static void *lok_loadlib(const char *pFN)
+    {
+        return dlopen(pFN, RTLD_LAZY
+#if defined LOK_LOADLIB_GLOBAL
+                      | RTLD_GLOBAL
+#endif
+                      );
+    }
+
+    static char *lok_dlerror(void)
+    {
+        return dlerror();
+    }
+
+    // This function must be called to release memory allocated by lok_dlerror()
+    static void lok_dlerror_free(char *pErrMessage)
+    {
+        (void)pErrMessage;
+        // Do nothing for return of dlerror()
+    }
+
+    static void extendUnoPath(const char *pPath)
+    {
+        (void)pPath;
+    }
+
+    static void *lok_dlsym(void *Hnd, const char *pName)
+    {
+        return dlsym(Hnd, pName);
+    }
+
+    static int lok_dlclose(void *Hnd)
+    {
+        return dlclose(Hnd);
+    }
+#endif // IOS
+
+
+#else
+    static void *lok_loadlib(const char *pFN)
+    {
+        return (void *) LoadLibraryA(pFN);
+    }
+
+    static char *lok_dlerror(void)
+    {
+        LPSTR buf = NULL;
+        FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+            NULL, GetLastError(), 0, reinterpret_cast<LPSTR>(&buf), 0, NULL);
+        return buf;
+    }
+
+    // This function must be called to release memory allocated by lok_dlerror()
+    static void lok_dlerror_free(char *pErrMessage)
+    {
+        HeapFree(GetProcessHeap(), 0, pErrMessage);
+    }
+
+    static void *lok_dlsym(void *Hnd, const char *pName)
+    {
+        return reinterpret_cast<void *>(GetProcAddress((HINSTANCE) Hnd, pName));
+    }
+
+    static int lok_dlclose(void *Hnd)
+    {
+        return FreeLibrary((HINSTANCE) Hnd);
+    }
+
+    static void extendUnoPath(const char *pPath)
+    {
+        char *sNewPath = NULL, *sEnvPath = NULL;
+        size_t size_sEnvPath = 0, buffer_size = 0;
+        DWORD cChars;
+
+        if (!pPath)
+            return;
+
+        cChars = GetEnvironmentVariableA("PATH", sEnvPath, 0);
+        if (cChars > 0)
+        {
+            sEnvPath = (char *) malloc(cChars);
+            cChars = GetEnvironmentVariableA("PATH", sEnvPath, cChars);
+            //If PATH is not set then it is no error
+            if (cChars == 0 && GetLastError() != ERROR_ENVVAR_NOT_FOUND)
+            {
+                free(sEnvPath);
+                return;
+            }
+        }
+        //prepare the new PATH. Add the Ure/bin directory at the front.
+        //note also adding ';'
+        if(sEnvPath)
+            size_sEnvPath = strlen(sEnvPath);
+        buffer_size = size_sEnvPath + 2*strlen(pPath) + strlen(UNOPATH) + 4;
+        sNewPath = (char *) malloc(buffer_size);
+        sNewPath[0] = L'\0';
+        strcat_s(sNewPath, buffer_size, pPath);     // program to PATH
+        strcat_s(sNewPath, buffer_size, ";");
+        strcat_s(sNewPath, buffer_size, UNOPATH);   // UNO to PATH
+        if (size_sEnvPath > 0)
+        {
+            strcat_s(sNewPath, buffer_size, ";");
+            strcat_s(sNewPath, buffer_size, sEnvPath);
+        }
+
+        SetEnvironmentVariableA("PATH", sNewPath);
+
+        free(sNewPath);
+        free(sEnvPath);
+    }
+#endif
+
+#if !defined(IOS)
+static void *lok_dlopen( const char *install_path, char ** _imp_lib )
+{
+    char *imp_lib;
+    void *dlhandle;
+
+    size_t partial_length, imp_lib_size;
+    struct stat dir_st;
+
+    *_imp_lib = NULL;
+
+    if (!install_path)
+        return NULL;
+
+    if (stat(install_path, &dir_st) != 0)
+    {
+        fprintf(stderr, "installation path \"%s\" does not exist\n", install_path);
+        return NULL;
+    }
+
+    // allocate large enough buffer
+    partial_length = strlen(install_path);
+    imp_lib_size = partial_length + sizeof(TARGET_LIB) + sizeof(TARGET_MERGED_LIB) + 2;
+    imp_lib = (char *) malloc(imp_lib_size);
+    if (!imp_lib)
+    {
+        fprintf( stderr, "failed to open library : not enough memory\n");
+        return NULL;
+    }
+
+    memcpy(imp_lib, install_path, partial_length);
+
+    extendUnoPath(install_path);
+
+    imp_lib[partial_length++] = SEPARATOR;
+    strncpy(imp_lib + partial_length, TARGET_LIB, imp_lib_size - partial_length);
+
+    dlhandle = lok_loadlib(imp_lib);
+    if (!dlhandle)
+    {
+        // If TARGET_LIB exists, and likely is a real library (not a
+        // small one-line text stub as in the --enable-mergedlib
+        // case), but dlopen failed for some reason, don't try
+        // TARGET_MERGED_LIB.
+        struct stat st;
+        if (stat(imp_lib, &st) == 0 && st.st_size > 100)
+        {
+            char *pErrMessage = lok_dlerror();
+            fprintf(stderr, "failed to open library '%s': %s\n",
+                    imp_lib, pErrMessage);
+            lok_dlerror_free(pErrMessage);
+            free(imp_lib);
+            return NULL;
+        }
+
+        strncpy(imp_lib + partial_length, TARGET_MERGED_LIB, imp_lib_size - partial_length);
+
+        dlhandle = lok_loadlib(imp_lib);
+        if (!dlhandle)
+        {
+            char *pErrMessage = lok_dlerror();
+            fprintf(stderr, "failed to open library '%s': %s\n",
+                    imp_lib, pErrMessage);
+            lok_dlerror_free(pErrMessage);
+            free(imp_lib);
+            return NULL;
+        }
+    }
+    *_imp_lib = imp_lib;
+    return dlhandle;
+}
+#endif
+
+typedef LibreOfficeKit *(LokHookFunction)( const char *install_path);
+
+typedef LibreOfficeKit *(LokHookFunction2)( const char *install_path, const char *user_profile_url );
+
+typedef int             (LokHookPreInit)  ( const char *install_path, const char *user_profile_url );
+
+typedef int             (LokHookPreInit2) ( const char *install_path, const char *user_profile_url, LibreOfficeKit** kit);
+
+#if defined(IOS) || defined(ANDROID)
+LibreOfficeKit *libreofficekit_hook_2(const char* install_path, const char* user_profile_path);
+#endif
+
+static LibreOfficeKit *lok_init_2( const char *install_path,  const char *user_profile_url )
+{
+#if !defined(IOS) && !defined(ANDROID)
+    void *dlhandle;
+    char *imp_lib;
+    LokHookFunction *pSym;
+    LokHookFunction2 *pSym2;
+
+    dlhandle = lok_dlopen(install_path, &imp_lib);
+    if (!dlhandle)
+        return NULL;
+
+    pSym2 = (LokHookFunction2 *) lok_dlsym(dlhandle, "libreofficekit_hook_2");
+    if (!pSym2)
+    {
+        if (user_profile_url != NULL)
+        {
+            fprintf( stderr, "the LibreOffice version in '%s' does not support passing a user profile to the hook function\n",
+                     imp_lib );
+            lok_dlclose( dlhandle );
+            free( imp_lib );
+            return NULL;
+        }
+        pSym = (LokHookFunction *) lok_dlsym( dlhandle, "libreofficekit_hook" );
+        if (!pSym)
+        {
+            fprintf( stderr, "failed to find hook in library '%s'\n", imp_lib );
+            lok_dlclose( dlhandle );
+            free( imp_lib );
+            return NULL;
+        }
+        free( imp_lib );
+        // dlhandle is "leaked"
+        // coverity[leaked_storage] - on purpose
+        return pSym( install_path );
+    }
+
+    if (user_profile_url != NULL && user_profile_url[0] == '/')
+    {
+        // It should be either a file: URL or a vnd.sun.star.pathname: URL.
+        fprintf( stderr, "second parameter to lok_init_2 '%s' should be a URL, not a pathname\n", user_profile_url );
+        lok_dlclose( dlhandle );
+        free( imp_lib );
+        return NULL;
+    }
+
+    free( imp_lib );
+    // dlhandle is "leaked"
+    // coverity[leaked_storage] - on purpose
+    return pSym2( install_path, user_profile_url );
+#else
+    return libreofficekit_hook_2( install_path, user_profile_url );
+#endif
+}
+
+static LOK_TOLERATE_UNUSED
+LibreOfficeKit *lok_init( const char *install_path )
+{
+    return lok_init_2( install_path, NULL );
+}
+
+#if !defined(IOS)
+static LOK_TOLERATE_UNUSED
+int lok_preinit( const char *install_path,  const char *user_profile_url )
+{
+    void *dlhandle;
+    char *imp_lib;
+    LokHookPreInit *pSym;
+
+    dlhandle = lok_dlopen(install_path, &imp_lib);
+    if (!dlhandle)
+        return -1;
+
+    pSym = (LokHookPreInit *) lok_dlsym(dlhandle, "lok_preinit");
+    if (!pSym)
+    {
+        fprintf( stderr, "failed to find pre-init hook in library '%s'\n", imp_lib );
+        lok_dlclose( dlhandle );
+        free( imp_lib );
+        return -1;
+    }
+
+    free( imp_lib );
+
+    // dlhandle is "leaked"
+    // coverity[leaked_storage] - on purpose
+    return pSym( install_path, user_profile_url );
+}
+#endif
+
+#undef SEPARATOR // It is used at least in enum class MenuItemType
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // defined(__linux__) || defined (__FreeBSD__) || defined(_AIX) || defined(_WIN32) || defined(__APPLE__)
+
+#endif // INCLUDED_LIBREOFFICEKIT_LIBREOFFICEKITINIT_H
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/LibreOfficeKit/LibreOfficeKitTypes.h b/include/LibreOfficeKit/LibreOfficeKitTypes.h
new file mode 100644
index 000000000..8513ef754
--- /dev/null
+++ b/include/LibreOfficeKit/LibreOfficeKitTypes.h
@@ -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/.
+ */
+
+#ifndef INCLUDED_LIBREOFFICEKIT_LIBREOFFICEKIT_TYPES_H
+#define INCLUDED_LIBREOFFICEKIT_LIBREOFFICEKIT_TYPES_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** @see lok::Office::registerCallback().
+    @since LibreOffice 6.0
+ */
+typedef void (*LibreOfficeKitCallback)(int nType, const char* pPayload, void* pData);
+
+/** @see lok::Office::runLoop().
+    @since LibreOffice 6.3
+ */
+typedef int (*LibreOfficeKitPollCallback)(void* pData, int timeoutUs);
+typedef void (*LibreOfficeKitWakeCallback)(void* pData);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // INCLUDED_LIBREOFFICEKIT_LIBREOFFICEKIT_TYPES_H
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */