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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* 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/.
*/
#include <cassert>
#include <cstdlib>
#include <cstring>
#include <fstream>
#include <iostream>
#include <memory>
#define LOK_USE_UNSTABLE_API
#include <LibreOfficeKit/LibreOfficeKit.h>
#include <LibreOfficeKit/LibreOfficeKitInit.h>
#include <png.h>
#include <Poco/Buffer.h>
#include <Poco/Process.h>
#include <Poco/Random.h>
#include <Poco/String.h>
#include <Poco/StringTokenizer.h>
#include <Poco/TemporaryFile.h>
#include <Poco/URI.h>
#include <Poco/Util/Application.h>
#include "LOKitHelper.hpp"
#include "Util.hpp"
using Poco::StringTokenizer;
using Poco::TemporaryFile;
using Poco::Util::Application;
extern "C"
{
static void myCallback(int /*nType*/, const char* /*pPayload*/, void*)
{
#if 0
std::cout << "Callback: ";
switch ((LibreOfficeKitCallbackType) nType)
{
#define CASE(x) case LOK_CALLBACK_##x: std::cout << #x; break
CASE(INVALIDATE_TILES);
CASE(INVALIDATE_VISIBLE_CURSOR);
CASE(TEXT_SELECTION);
CASE(TEXT_SELECTION_START);
CASE(TEXT_SELECTION_END);
CASE(CURSOR_VISIBLE);
CASE(GRAPHIC_SELECTION);
CASE(CELL_CURSOR);
CASE(CELL_FORMULA);
CASE(HYPERLINK_CLICKED);
CASE(MOUSE_POINTER);
CASE(STATE_CHANGED);
CASE(STATUS_INDICATOR_START);
CASE(STATUS_INDICATOR_SET_VALUE);
CASE(STATUS_INDICATOR_FINISH);
CASE(SEARCH_NOT_FOUND);
CASE(SEARCH_RESULT_SELECTION);
CASE(DOCUMENT_SIZE_CHANGED);
CASE(SET_PART);
CASE(UNO_COMMAND_RESULT);
#undef CASE
}
std::cout << " payload: " << pPayload << std::endl;
#endif
}
}
class LOKitClient: public Application
{
public:
protected:
int main(const std::vector<std::string>& args) override
{
if (args.size() != 2)
{
logger().fatal("Usage: lokitclient /path/to/lo/installation/program /path/to/document");
return Application::EXIT_USAGE;
}
LibreOfficeKit *loKit;
LibreOfficeKitDocument *loKitDocument;
loKit = lok_init(args[0].c_str());
if (!loKit)
{
logger().fatal("LibreOfficeKit initialisation failed");
return Application::EXIT_UNAVAILABLE;
}
loKitDocument = loKit->pClass->documentLoad(loKit, args[1].c_str());
if (!loKitDocument)
{
logger().fatal("Document loading failed: " + std::string(loKit->pClass->getError(loKit)));
return Application::EXIT_UNAVAILABLE;
}
loKitDocument->pClass->registerCallback(loKitDocument, myCallback, NULL);
loKitDocument->pClass->initializeForRendering(loKitDocument);
if (isatty(0))
{
std::cout << "Enter LOKit \"commands\", one per line. 'help' for help. EOF to finish." << std::endl;
}
while (!std::cin.eof())
{
std::string line;
std::getline(std::cin, line);
StringTokenizer tokens(line, " ", StringTokenizer::TOK_IGNORE_EMPTY | StringTokenizer::TOK_TRIM);
if (tokens.count() == 0)
continue;
if (tokens[0] == "?" || tokens[0] == "help")
{
std::cout <<
"Commands mimic LOOL protocol but we talk directly to LOKit:" << std::endl <<
" status" << std::endl <<
" calls LibreOfficeKitDocument::getDocumentType, getParts, getPartName, getDocumentSize" << std::endl <<
" tile part pixelwidth pixelheight docposx docposy doctilewidth doctileheight" << std::endl <<
" calls LibreOfficeKitDocument::paintTile" << std::endl;
}
else if (tokens[0] == "status")
{
if (tokens.count() != 1)
{
std::cout << "? syntax" << std::endl;
continue;
}
std::cout << LOKitHelper::documentStatus(loKitDocument) << std::endl;
for (int i = 0; i < loKitDocument->pClass->getParts(loKitDocument); i++)
{
std::cout << " " << i << ": '" << loKitDocument->pClass->getPartName(loKitDocument, i) << "'" << std::endl;
}
}
else if (tokens[0] == "tile")
{
if (tokens.count() != 8)
{
std::cout << "? syntax" << std::endl;
continue;
}
int partNumber(std::stoi(tokens[1]));
int canvasWidth(std::stoi(tokens[2]));
int canvasHeight(std::stoi(tokens[3]));
int tilePosX(std::stoi(tokens[4]));
int tilePosY(std::stoi(tokens[5]));
int tileWidth(std::stoi(tokens[6]));
int tileHeight(std::stoi(tokens[7]));
std::vector<unsigned char> pixmap(canvasWidth*canvasHeight*4);
loKitDocument->pClass->setPart(loKitDocument, partNumber);
loKitDocument->pClass->paintTile(loKitDocument, pixmap.data(), canvasWidth, canvasHeight, tilePosX, tilePosY, tileWidth, tileHeight);
if (!Util::windowingAvailable())
continue;
std::vector<char> png;
Util::encodePNGAndAppendToBuffer(pixmap.data(), canvasWidth, canvasHeight, png);
TemporaryFile pngFile;
std::ofstream pngStream(pngFile.path(), std::ios::binary);
pngStream.write(png.data(), png.size());
pngStream.close();
#ifdef __linux
if (std::getenv("DISPLAY") != nullptr)
{
if (std::system((std::string("display ") + pngFile.path()).c_str()) == -1)
{
// Not worth it to display a warning, this is just a throwaway test program, and
// the developer running it surely notices if nothing shows up...
}
}
#endif
}
else
{
std::cout << "? unrecognized" << std::endl;
}
}
// Safest to just bluntly exit
_Exit(Application::EXIT_OK);
}
};
POCO_APP_MAIN(LOKitClient)
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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