46107dd0c8
This replaces addview/remview/remallview messages in the protocol with 'viewinfo' message which is sent whenever there is any change in the view information. Let the client deal with what information is redundant to it. Change-Id: Ic470ea88a94ff281a0ae021014a9fba1b876f648
628 lines
21 KiB
C++
628 lines
21 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#ifndef INCLUDED_LIBREOFFICEKIT_HPP
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#define INCLUDED_LIBREOFFICEKIT_HPP
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#define LOK_USE_UNSTABLE_API
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#include <LibreOfficeKit/LibreOfficeKit.h>
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#include <LibreOfficeKit/LibreOfficeKitEnums.h>
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#include "Log.hpp"
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namespace lok
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{
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/// The lok::Document class represents one loaded document instance.
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class Document
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{
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private:
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LibreOfficeKitDocument* _pDoc;
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std::mutex _mutex;
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public:
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/// A lok::Document is typically created by the lok::Office::documentLoad() method.
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inline Document(LibreOfficeKitDocument* pDoc) :
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_pDoc(pDoc)
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{
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Log::trace("lok::Document ctor.");
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}
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inline ~Document()
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{
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Log::trace("lok::~Document dtor.");
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_pDoc->pClass->destroy(_pDoc);
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}
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/// This lock must be held while calling
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/// one or more members of this class if
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/// the client is multi-threaded.
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/// No member function takes this lock otherwise.
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std::unique_lock<std::mutex> getLock()
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{
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return std::unique_lock<std::mutex>(_mutex);
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}
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/**
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* Stores the document's persistent data to a URL and
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* continues to be a representation of the old URL.
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*
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* @param pUrl the location where to store the document
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* @param pFormat the format to use while exporting, when omitted, then deducted from pURL's extension
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* @param pFilterOptions options for the export filter, e.g. SkipImages.
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* Another useful FilterOption is "TakeOwnership". It is consumed
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* by the saveAs() itself, and when provided, the document identity
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* changes to the provided pUrl - meaning that '.uno:ModifiedStatus'
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* is triggered as with the "Save As..." in the UI.
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* "TakeOwnership" mode must not be used when saving to PNG or PDF.
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*/
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inline bool saveAs(const char* pUrl, const char* pFormat = NULL, const char* pFilterOptions = NULL)
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{
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Log::trace() << "lok::Document: saveAs: URL: [" << pUrl << "], Format: [" << pFormat
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<< "], FilterOptions: " << pFilterOptions << "." << Log::end;
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return _pDoc->pClass->saveAs(_pDoc, pUrl, pFormat, pFilterOptions) != 0;
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}
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/// Gives access to the underlying C pointer.
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inline LibreOfficeKitDocument *get()
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{
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return _pDoc;
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}
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#if defined LOK_USE_UNSTABLE_API || defined LIBO_INTERNAL_ONLY
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/**
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* Get document type.
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*
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* @return an element of the LibreOfficeKitDocumentType enum.
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*/
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inline int getDocumentType()
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{
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return _pDoc->pClass->getDocumentType(_pDoc);
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}
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/**
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* Get number of part that the document contains.
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*
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* Part refers to either individual sheets in a Calc, or slides in Impress,
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* and has no relevance for Writer.
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*/
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inline int getParts()
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{
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return _pDoc->pClass->getParts(_pDoc);
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}
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/**
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* Get the logical rectangle of each part in the document.
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*
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* A part refers to an individual page in Writer and has no relevant for
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* Calc or Impress.
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*
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* @return a rectangle list, using the same format as
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* LOK_CALLBACK_TEXT_SELECTION.
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*/
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inline char* getPartPageRectangles()
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{
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return _pDoc->pClass->getPartPageRectangles(_pDoc);
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}
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/// Get the current part of the document.
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/// Note: For Writer documents this always returns 0
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/// since text docs have a single coordinate system.
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inline int getPart()
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{
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return getDocumentType() == LOK_DOCTYPE_TEXT ? 0 : _pDoc->pClass->getPart(_pDoc);
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}
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/// Set the current part of the document.
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inline void setPart(int nPart)
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{
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Log::trace() << "lok::Document: setPart: Part: " << nPart << "." << Log::end;
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_pDoc->pClass->setPart(_pDoc, nPart);
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}
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/// Get the current part's name.
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inline char* getPartName(int nPart)
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{
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return _pDoc->pClass->getPartName(_pDoc, nPart);
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}
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/// Get the current part's hash.
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inline char* getPartHash(int nPart)
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{
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return _pDoc->pClass->getPartHash(_pDoc, nPart);
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}
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inline void setPartMode(int nMode)
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{
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Log::trace() << "lok::Document: setPartMode: Mode: " << nMode << "." << Log::end;
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_pDoc->pClass->setPartMode(_pDoc, nMode);
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}
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/**
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* Renders a subset of the document to a pre-allocated buffer.
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*
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* Note that the buffer size and the tile size implicitly supports
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* rendering at different zoom levels, as the number of rendered pixels and
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* the rendered rectangle of the document are independent.
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*
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* @param pBuffer pointer to the buffer, its size is determined by nCanvasWidth and nCanvasHeight.
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* @param nCanvasWidth number of pixels in a row of pBuffer.
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* @param nCanvasHeight number of pixels in a column of pBuffer.
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* @param nTilePosX logical X position of the top left corner of the rendered rectangle, in TWIPs.
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* @param nTilePosY logical Y position of the top left corner of the rendered rectangle, in TWIPs.
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* @param nTileWidth logical width of the rendered rectangle, in TWIPs.
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* @param nTileHeight logical height of the rendered rectangle, in TWIPs.
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*/
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inline void paintTile(unsigned char* pBuffer,
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const int nCanvasWidth,
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const int nCanvasHeight,
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const int nTilePosX,
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const int nTilePosY,
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const int nTileWidth,
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const int nTileHeight)
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{
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return _pDoc->pClass->paintTile(_pDoc, pBuffer, nCanvasWidth, nCanvasHeight,
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nTilePosX, nTilePosY, nTileWidth, nTileHeight);
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}
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/**
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* Gets the tile mode: the pixel format used for the pBuffer of paintTile().
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*
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* @return an element of the LibreOfficeKitTileMode enum.
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*/
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inline int getTileMode()
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{
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return _pDoc->pClass->getTileMode(_pDoc);
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}
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/// Get the document sizes in TWIPs.
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inline void getDocumentSize(long* pWidth, long* pHeight)
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{
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_pDoc->pClass->getDocumentSize(_pDoc, pWidth, pHeight);
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}
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/**
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* Initialize document for rendering.
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*
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* Sets the rendering and document parameters to default values that are
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* needed to render the document correctly using tiled rendering. This
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* method has to be called right after documentLoad() in case any of the
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* tiled rendering methods are to be used later.
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*
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* Example argument string for text documents:
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*
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* {
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* ".uno:HideWhitespace":
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* {
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* "type": "boolean",
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* "value": "true"
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* }
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* }
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*
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* @param pArguments arguments of the rendering
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*/
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inline void initializeForRendering(const char* pArguments = NULL)
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{
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Log::trace() << "lok::Document: initializeForRendering: Arguments: [" << pArguments << "]." << Log::end;
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_pDoc->pClass->initializeForRendering(_pDoc, pArguments);
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}
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/**
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* Registers a callback. LOK will invoke this function when it wants to
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* inform the client about events.
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*
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* @param pCallback the callback to invoke
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* @param pData the user data, will be passed to the callback on invocation
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*/
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inline void registerCallback(LibreOfficeKitCallback pCallback, void* pData)
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{
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_pDoc->pClass->registerCallback(_pDoc, pCallback, pData);
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}
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/**
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* Posts a keyboard event to the focused frame.
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*
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* @param nType Event type, like press or release.
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* @param nCharCode contains the Unicode character generated by this event or 0
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* @param nKeyCode contains the integer code representing the key of the event (non-zero for control keys)
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*/
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inline void postKeyEvent(int nType, int nCharCode, int nKeyCode)
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{
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_pDoc->pClass->postKeyEvent(_pDoc, nType, nCharCode, nKeyCode);
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}
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/**
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* Posts a mouse event to the document.
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*
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* @param nType Event type, like down, move or up.
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* @param nX horizontal position in document coordinates
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* @param nY vertical position in document coordinates
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* @param nCount number of clicks: 1 for single click, 2 for double click
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* @param nButtons: which mouse buttons: 1 for left, 2 for middle, 4 right
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* @param nModifier: which keyboard modifier: (see include/rsc/rsc-vcl-shared-types.hxx for possible values)
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*/
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inline void postMouseEvent(int nType, int nX, int nY, int nCount, int nButtons, int nModifier)
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{
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_pDoc->pClass->postMouseEvent(_pDoc, nType, nX, nY, nCount, nButtons, nModifier);
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}
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/**
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* Posts an UNO command to the document.
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*
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* Example argument string:
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*
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* {
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* "SearchItem.SearchString":
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* {
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* "type": "string",
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* "value": "foobar"
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* },
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* "SearchItem.Backward":
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* {
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* "type": "boolean",
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* "value": "false"
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* }
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* }
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*
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* @param pCommand uno command to be posted to the document, like ".uno:Bold"
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* @param pArguments arguments of the uno command.
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*/
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inline void postUnoCommand(const char* pCommand, const char* pArguments = NULL, bool bNotifyWhenFinished = false)
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{
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_pDoc->pClass->postUnoCommand(_pDoc, pCommand, pArguments, bNotifyWhenFinished);
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}
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/**
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* Sets the start or end of a text selection.
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*
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* @param nType @see LibreOfficeKitSetTextSelectionType
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* @param nX horizontal position in document coordinates
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* @param nY vertical position in document coordinates
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*/
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inline void setTextSelection(int nType, int nX, int nY)
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{
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_pDoc->pClass->setTextSelection(_pDoc, nType, nX, nY);
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}
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/**
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* Gets the currently selected text.
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*
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* @param pMimeType suggests the return format, for example text/plain;charset=utf-8.
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* @param pUsedMimeType output parameter to inform about the determined format (suggested one or plain text).
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*/
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inline char* getTextSelection(const char* pMimeType, char** pUsedMimeType = NULL)
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{
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return _pDoc->pClass->getTextSelection(_pDoc, pMimeType, pUsedMimeType);
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}
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/**
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* Pastes content at the current cursor position.
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*
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* @param pMimeType format of pData, for example text/plain;charset=utf-8.
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* @param pData the actual data to be pasted.
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* @return if the supplied data was pasted successfully.
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*/
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inline bool paste(const char* pMimeType, const char* pData, size_t nSize)
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{
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return _pDoc->pClass->paste(_pDoc, pMimeType, pData, nSize);
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}
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/**
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* Adjusts the graphic selection.
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*
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* @param nType @see LibreOfficeKitSetGraphicSelectionType
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* @param nX horizontal position in document coordinates
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* @param nY vertical position in document coordinates
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*/
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inline void setGraphicSelection(int nType, int nX, int nY)
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{
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_pDoc->pClass->setGraphicSelection(_pDoc, nType, nX, nY);
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}
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/**
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* Gets rid of any text or graphic selection.
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*/
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inline void resetSelection()
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{
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_pDoc->pClass->resetSelection(_pDoc);
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}
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/**
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* Returns a json mapping of the possible values for the given command
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* e.g. {commandName: ".uno:StyleApply", commandValues: {"familyName1" : ["list of style names in the family1"], etc.}}
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* @param pCommand a uno command for which the possible values are requested
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* @return {commandName: unoCmd, commandValues: {possible_values}}
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*/
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inline char* getCommandValues(const char* pCommand)
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{
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return _pDoc->pClass->getCommandValues(_pDoc, pCommand);
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}
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/**
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* Save the client's view so that we can compute the right zoom level
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* for the mouse events. This only affects CALC.
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* @param nTilePixelWidth - tile width in pixels
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* @param nTilePixelHeight - tile height in pixels
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* @param nTileTwipWidth - tile width in twips
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* @param nTileTwipHeight - tile height in twips
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*/
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inline void setClientZoom(
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int nTilePixelWidth,
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int nTilePixelHeight,
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int nTileTwipWidth,
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int nTileTwipHeight)
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{
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Log::trace() << "lok::Document: setClientZoom: TilePixelWidth: " << nTilePixelWidth
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<< ", TilePixelHeight: " << nTileTwipHeight
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<< ", TileTwipWidth: " << nTileTwipWidth
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<< ", TileTwipHeight: " << nTileTwipHeight << "." << Log::end;
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_pDoc->pClass->setClientZoom(_pDoc, nTilePixelWidth, nTilePixelHeight, nTileTwipWidth, nTileTwipHeight);
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}
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/**
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* Inform core about the currently visible area of the document on the
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* client, so that it can perform e.g. page down (which depends on the
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* visible height) in a sane way.
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*
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* @param nX - top left corner horizontal position
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* @param nY - top left corner vertical position
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* @param nWidth - area width
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* @param nHeight - area height
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*/
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inline void setClientVisibleArea(int nX, int nY, int nWidth, int nHeight)
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{
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Log::trace() << "lok::Document: setClientVisibleArea: X: " << nX
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<< ", Y: " << nY << ", Width: " << nWidth
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<< ", Height: " << nHeight << "." << Log::end;
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_pDoc->pClass->setClientVisibleArea(_pDoc, nX, nY, nWidth, nHeight);
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}
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/**
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* Create a new view for an existing document.
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* By default a loaded document has 1 view.
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* @return the ID of the new view.
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*/
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int createView()
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{
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Log::trace() << "lok::Document: createView" << Log::end;
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return _pDoc->pClass->createView(_pDoc);
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}
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/**
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* Destroy a view of an existing document.
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* @param nId a view ID, returned by createView().
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*/
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void destroyView(int nId)
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{
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Log::trace() << "lok::Document: destroyView: " << nId << Log::end;
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_pDoc->pClass->destroyView(_pDoc, nId);
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}
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/**
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* Set an existing view of an existing document as current.
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* @param nId a view ID, returned by createView().
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*/
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void setView(int nId)
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{
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Log::trace() << "lok::Document: setView: " << nId << Log::end;
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assert(nId >= 0 && "ViewID must be non-negative.");
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_pDoc->pClass->setView(_pDoc, nId);
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}
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/**
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* Get the current view.
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* @return a view ID, previously returned by createView().
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*/
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int getView()
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{
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return _pDoc->pClass->getView(_pDoc);
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}
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/**
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* Get number of views of this document.
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*/
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inline int getViewsCount()
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{
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return _pDoc->pClass->getViewsCount(_pDoc);
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}
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/**
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* Returns the viewID for each existing view. Since viewIDs are not reused,
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* viewIDs are not the same as the index of the view in the view array over
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* time. Use getViewsCount() to know the minimal nSize that's large enough.
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*
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* @param pArray the array to write the viewIDs into
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* @param nSize the size of pArray
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* @returns true if pArray was large enough and result is written, false
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* otherwise.
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*/
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inline int getViewIds(int* pArray, size_t nSize)
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{
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return _pDoc->pClass->getViewIds(_pDoc, pArray, nSize);
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}
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/**
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* Paints a font name to be displayed in the font list
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* @param pFontName the font to be painted
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*/
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inline unsigned char* renderFont(const char *pFontName,
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int *pFontWidth,
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int *pFontHeight)
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{
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return _pDoc->pClass->renderFont(_pDoc, pFontName, pFontWidth, pFontHeight);
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}
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/**
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* Renders a subset of the document's part to a pre-allocated buffer.
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*
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* @param nPart the part number of the document of which the tile is painted.
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* @see paintTile.
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*/
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inline void paintPartTile(unsigned char* pBuffer,
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const int nPart,
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const int nCanvasWidth,
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const int nCanvasHeight,
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const int nTilePosX,
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const int nTilePosY,
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const int nTileWidth,
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const int nTileHeight)
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{
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return _pDoc->pClass->paintPartTile(_pDoc, pBuffer, nPart,
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nCanvasWidth, nCanvasHeight,
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nTilePosX, nTilePosY,
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nTileWidth, nTileHeight);
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}
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#endif // defined LOK_USE_UNSTABLE_API || defined LIBO_INTERNAL_ONLY
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};
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/// The lok::Office class represents one started LibreOfficeKit instance.
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class Office
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{
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private:
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LibreOfficeKit* _pOffice;
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std::mutex _mutex;
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public:
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/// A lok::Office is typically created by the lok_cpp_init() function.
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inline Office(LibreOfficeKit* pThis) :
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_pOffice(pThis)
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{
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Log::trace("lok::Office ctor.");
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assert(_pOffice);
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}
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inline ~Office()
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{
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std::unique_lock<std::mutex> lock(_mutex);
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Log::trace("lok::~Office dtor.");
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_pOffice->pClass->destroy(_pOffice);
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}
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/// This lock must be held while calling
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/// one or more member of this class.
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|
std::unique_lock<std::mutex> getLock()
|
|
{
|
|
return std::unique_lock<std::mutex>(_mutex);
|
|
}
|
|
|
|
/// Gives access to the underlying C pointer.
|
|
inline LibreOfficeKit* get()
|
|
{
|
|
return _pOffice;
|
|
}
|
|
|
|
/**
|
|
* Loads a document from an URL.
|
|
*
|
|
* @param pUrl the URL of the document to load
|
|
* @param pFilterOptions options for the import filter, e.g. SkipImages.
|
|
*/
|
|
inline std::shared_ptr<Document> documentLoad(const char* pUrl, const char* pFilterOptions = NULL)
|
|
{
|
|
Log::trace() << "lok::Office: documentLoad: URL: [" << pUrl
|
|
<< "], FilterOptions: [" << pFilterOptions
|
|
<< "]." << Log::end;
|
|
LibreOfficeKitDocument* pDoc = NULL;
|
|
|
|
if (LIBREOFFICEKIT_HAS(_pOffice, documentLoadWithOptions))
|
|
pDoc = _pOffice->pClass->documentLoadWithOptions(_pOffice, pUrl, pFilterOptions);
|
|
else
|
|
pDoc = _pOffice->pClass->documentLoad(_pOffice, pUrl);
|
|
|
|
return std::make_shared<lok::Document>(pDoc);
|
|
}
|
|
|
|
/// Returns the last error as a string, the returned pointer has to be freed by the caller.
|
|
inline char* getError()
|
|
{
|
|
return _pOffice->pClass->getError(_pOffice);
|
|
}
|
|
|
|
/// Frees the memory pointed to by pFree.
|
|
inline void freeError(char* pFree)
|
|
{
|
|
_pOffice->pClass->freeError(pFree);
|
|
}
|
|
|
|
|
|
#if defined LOK_USE_UNSTABLE_API || defined LIBO_INTERNAL_ONLY
|
|
/**
|
|
* Returns details of filter types.
|
|
*
|
|
* Example returned string:
|
|
*
|
|
* {
|
|
* "writer8": {
|
|
* "MediaType": "application/vnd.oasis.opendocument.text"
|
|
* },
|
|
* "calc8": {
|
|
* "MediaType": "application/vnd.oasis.opendocument.spreadsheet"
|
|
* }
|
|
* }
|
|
*/
|
|
inline char* getFilterTypes()
|
|
{
|
|
return _pOffice->pClass->getFilterTypes(_pOffice);
|
|
}
|
|
|
|
/**
|
|
* Set bitmask of optional features supported by the client.
|
|
*
|
|
* @see LibreOfficeKitOptionalFeatures
|
|
*/
|
|
void setOptionalFeatures(uint64_t features)
|
|
{
|
|
return _pOffice->pClass->setOptionalFeatures(_pOffice, 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 vaild 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 vaild
|
|
* 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.
|
|
*/
|
|
inline void setDocumentPassword(char const* pURL, char const* pPassword)
|
|
{
|
|
_pOffice->pClass->setDocumentPassword(_pOffice, pURL, pPassword);
|
|
}
|
|
|
|
/**
|
|
* Get version information of the LOKit process
|
|
*
|
|
* @returns string containing version information in format:
|
|
* PRODUCT_NAME PRODUCT_VERSION PRODUCT_EXTENSION BUILD_ID
|
|
*
|
|
* Eg: LibreOffice 5.3 .0.0 alpha0 <commit hash>
|
|
*/
|
|
inline char* getVersionInfo()
|
|
{
|
|
return _pOffice->pClass->getVersionInfo(_pOffice);
|
|
}
|
|
#endif // defined LOK_USE_UNSTABLE_API || defined LIBO_INTERNAL_ONLY
|
|
};
|
|
|
|
}
|
|
|
|
#endif // INCLUDED_LIBREOFFICEKIT_HPP
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|