/* -*- 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.h"
#include "LibreOfficeKitEnums.h"
#include "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 extent of each page in the document .
*
* This function is relevant for Writer documents only . It is a
* mistake that the API has " part " in its name as Writer documents
* don ' t have parts .
*
* @ 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);
}
int getEditMode()
{
return mpDoc->pClass->getEditMode(mpDoc);
}
/**
* 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
* 100 x100 " normal " pixels with dpiscale ' 2 ' will have
* 200 x200 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);
}
/// Get the data area (in Calc last row and column).
void getDataArea(long nPart, long * pCol, long * pRow)
{
mpDoc->pClass->getDataArea(mpDoc, nPart, pCol, pRow);
}
/**
* 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 nMode,
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, nMode,
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);
}
/**
* 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 3 rd 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 - 29 T00 : 00 : 00 Z "
* }
*/
void sendContentControlEvent(const char * pArguments)
{
mpDoc->pClass->sendContentControlEvent(mpDoc, pArguments);
}
/**
* Set the timezone of the window with the specified nId .
*
* @ param nId a view ID , returned by createView ( ) .
* @ param timezone a timezone in the tzfile ( 5 ) format ( e . g . Pacific / Auckland ) .
*/
void setViewTimezone(int nId, const char * timezone)
{
mpDoc->pClass->setViewTimezone(mpDoc, nId, timezone);
}
/** Set if the view should be treated as readonly or not.
*
* @ param nId view ID
* @ param readOnly
*/
void setViewReadOnly(int nId, const bool readOnly)
{
mpDoc->pClass->setViewReadOnly(mpDoc, nId, readOnly);
}
/** Set if the view can edit comments on readonly mode or not.
*
* @ param nId view ID
* @ param allow
*/
void setAllowChangeComments(int nId, const bool allow)
{
mpDoc->pClass->setAllowChangeComments(mpDoc, nId, allow);
}
/**
* Enable / Disable accessibility support for the window with the specified nId .
*
* @ param nId a view ID , returned by createView ( ) .
* @ param nEnabled true / false
*/
void setAccessibilityState(int nId, bool nEnabled)
{
mpDoc->pClass->setAccessibilityState(mpDoc, nId, nEnabled);
}
/**
* Get the current focused paragraph info :
* {
* " content " : paragraph content
* " start " : selection start
* " end " : selection end
* }
*/
char * getA11yFocusedParagraph()
{
return mpDoc->pClass->getA11yFocusedParagraph(mpDoc);
}
/// Get the current text cursor position.
int getA11yCaretPosition()
{
return mpDoc->pClass->getA11yCaretPosition(mpDoc);
}
/// Get the information about the current presentation (Impress only).
char * getPresentationInfo()
{
return mpDoc->pClass->getPresentationInfo(mpDoc);
}
/// Create a slide renderer in core for the input slide.
bool createSlideRenderer(
const char * pSlideHash,
int nSlideNumber, unsigned * nViewWidth, unsigned * nViewHeight,
bool bRenderBackground, bool bRenderMasterPage)
{
return mpDoc->pClass->createSlideRenderer(
mpDoc, pSlideHash, nSlideNumber, nViewWidth, nViewHeight, bRenderBackground, bRenderMasterPage);
}
/// Clean-up the slideshow (slide renderer)
void postSlideshowCleanup()
{
mpDoc->pClass->postSlideshowCleanup(mpDoc);
}
/// Render the slide layer
bool renderNextSlideLayer(unsigned char * pBuffer, bool * bIsBitmapLayer, double * pScale, char ** pJsonMessage)
{
return mpDoc->pClass->renderNextSlideLayer(mpDoc, pBuffer, bIsBitmapLayer, pScale, pJsonMessage);
}
/// Set named view options
void setViewOption(const char * pOption, const char * pValue)
{
mpDoc->pClass->setViewOption(mpDoc, pOption, pValue);
}
#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 signs 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);
}
/**
* Debugging tool for triggering a dump of internal state .
*
* LibreOfficeKit can get into an unhelpful state at run - time when
* in heavy use . This provides a critical tool for inspecting
* relevant internal state .
*
* @ param pOption future expansion - string options .
* @ param pState - heap allocated , C string containing the state dump .
*/
void dumpState(const char * pOption, char ** pState)
{
mpThis->pClass->dumpState(mpThis, pOption, pState);
}
char * extractRequest(const char * pFilePath)
{
return mpThis->pClass->extractRequest(mpThis, pFilePath);
}
/**
* Trim memory usage .
*
* LibreOfficeKit caches lots of information from large pixmaps
* to view and calculation results . When a view has not been
* used for some time , depending on the load on memory it can
* be useful to free up memory .
*
* @ param nTarget - a negative number means the app is back
* in active use , and to re - fill caches , a large positive
* number ( > = 1000 ) encourages immediate maximum memory saving .
*/
void trimMemory (int nTarget)
{
mpThis->pClass->trimMemory(mpThis, nTarget);
}
/**
* Start a UNO acceptor using the function pointers provides to read and write data to / from the acceptor .
*
* @ param pReceiveURPFromLOContext A pointer that will be passed to your fnRecieveURPFromLO function
* @ param pSendURPToLOContext A pointer that will be passed to your fnSendURPToLO function
* @ param fnReceiveURPFromLO A function pointer that LO should use to pass URP back to the caller
* @ param fnSendURPToLO A function pointer pointer that the caller should use to pass URP to LO
*/
void * startURP(void * pReceiveURPFromLOContext, void * pSendURPToLOContext,
int (*fnReceiveURPFromLO)(void * pContext, const signed char * pBuffer, int nLen),
int (*fnSendURPToLO)(void * pContext, signed char * pBuffer, int nLen))
{
return mpThis->pClass->startURP(mpThis, pReceiveURPFromLOContext, pSendURPToLOContext,
fnReceiveURPFromLO, fnSendURPToLO);
}
/**
* Stop a function based URP connection you previously started with startURP
*
* @ param pURPContext the context returned by startURP when starting the connection
*/
void stopURP(void * pURPContext)
{
mpThis->pClass->stopURP(mpThis, pURPContext);
}
/**
* Joins all threads if possible to get down to a single process
* which can be forked from safely .
*
* @ returns non - zero for successful join , 0 for failure .
*/
int joinThreads()
{
return mpThis->pClass->joinThreads(mpThis);
}
/**
* Starts all threads that are necessary to continue working
* after a joinThreads ( ) .
*/
void startThreads()
{
mpThis->pClass->startThreads(mpThis);
}
/**
* Informs that this process is either a parent , or a child
* process post - fork , allowing improved resource sharing .
*/
void setForkedChild(bool bIsChild)
{
return mpThis->pClass->setForkedChild(mpThis, bIsChild);
}
char * extractDocumentStructureRequest(const char * pFilePath, const char * pFilter)
{
return mpThis->pClass->extractDocumentStructureRequest(mpThis, pFilePath, pFilter);
}
/**
* Registers a callback that can determine if there are any pending input events .
*/
void registerAnyInputCallback(LibreOfficeKitAnyInputCallback pCallback, void * pData)
{
return mpThis->pClass->registerAnyInputCallback(mpThis, pCallback, pData);
}
};
/// 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);
}
}
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