rstudio/src/cpp/desktop/DesktopMain.cpp at master · usersbin/rstudio · GitHub

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* DesktopMain.cpp

* This program is licensed to you under the terms of version 3 of the

* GNU Affero General Public License. This program is distributed WITHOUT

* ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,

* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the

* AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.

// TODO: open project in new window command

// TODO: open -a RStudio on the Mac (reboot / test on other system)

// TODO: periodic crashing when switching projects on ubuntu (enable cores)

#include <QtGui>

#include <QtWebKit>

#include <boost/bind.hpp>

#include <boost/function.hpp>

#include <boost/scoped_ptr.hpp>

#include <core/Log.hpp>

#include <core/system/FileScanner.hpp>

#include <core/Error.hpp>

#include <core/FileInfo.hpp>

#include <core/FilePath.hpp>

#include <core/SafeConvert.hpp>

#include <core/StringUtils.hpp>

#include <core/system/System.hpp>

#include <core/system/Environment.hpp>

#include <core/r_util/RProjectFile.hpp>

#include "DesktopApplicationLaunch.hpp"

#include "DesktopSlotBinders.hpp"

#include "DesktopDetectRHome.hpp"

#include "DesktopOptions.hpp"

#include "DesktopUtils.hpp"

#include "DesktopSessionLauncher.hpp"

QProcess* pRSessionProcess;

QString sharedSecret;

using namespace core;

using namespace desktop;

namespace {

void initializeSharedSecret()

{

sharedSecret = QString::number(rand())

+ QString::number(rand())

+ QString::number(rand());

std::string value = sharedSecret.toUtf8().constData();

core::system::setenv("RS_SHARED_SECRET", value);

}

void initializeWorkingDirectory(int argc,

char* argv[],

const QString& filename)

{

// calculate what our initial working directory should be

std::string workingDir;

// if there is a filename passed to us then use it's path

if (filename != QString())

{

FilePath filePath(filename.toUtf8().constData());

if (filePath.exists())

{

if (filePath.isDirectory())

workingDir = filePath.absolutePath();

else

workingDir = filePath.parent().absolutePath();

}

// do additinal detection if necessary

if (workingDir.empty())

{

// get current path

FilePath currentPath = FilePath::safeCurrentPath(

core::system::userHomePath());

#if defined(_WIN32) || defined(__APPLE__)

// detect whether we were launched from the system application menu

// (e.g. Dock, Program File icon, etc.). we do this by checking

// whether the executable path is within the current path. if we

// weren't launched from the system app menu that set the initial

// wd to the current path

FilePath exePath;

Error error = core::system::executablePath(argc, argv, &exePath);

if (!error)

{

if (!exePath.isWithin(currentPath))

workingDir = currentPath.absolutePath();

}

else

{

LOG_ERROR(error);

}

#else

// on linux we take the current working dir if we were launched

// from within a terminal

if (core::system::stdoutIsTerminal())

{

workingDir = currentPath.absolutePath();

}

#endif

}

// set the working dir if we have one

if (!workingDir.empty())

core::system::setenv("RS_INITIAL_WD", workingDir);

}

void setInitialProject(const FilePath& projectFile, QString* pFilename)

{

core::system::setenv("RS_INITIAL_PROJECT", projectFile.absolutePath());

pFilename->clear();

}

void initializeStartupEnvironment(QString* pFilename)

{

// if the filename ends with .RData or .rda then this is an

// environment file. if it ends with .Rproj then it is

// a project file. we handle both cases by setting an environment

// var and then resetting the pFilename so it isn't processed

// using the standard open file logic

FilePath filePath(pFilename->toUtf8().constData());

if (filePath.exists())

{

std::string ext = filePath.extensionLowerCase();

// if it is a directory or just an .rdata file then we can see

// whether there is a project file we can automatically attach to

if (filePath.isDirectory())

{

FilePath projectFile = r_util::projectFromDirectory(filePath);

if (!projectFile.empty())

{

setInitialProject(projectFile, pFilename);

}

else if (ext == ".rproj")

{

setInitialProject(filePath, pFilename);

}

else if (ext == ".rdata" || ext == ".rda")

{

core::system::setenv("RS_INITIAL_ENV", filePath.absolutePath());

pFilename->clear();

}

QString verifyAndNormalizeFilename(QString filename)

{

if (filename.isNull() || filename.isEmpty())

return QString();

QFileInfo fileInfo(filename);

if (fileInfo.exists())

return fileInfo.absoluteFilePath();

else

return QString();

}

bool isNonProjectFilename(QString filename)

{

if (filename.isNull() || filename.isEmpty())

return false;

FilePath filePath(filename.toUtf8().constData());

return filePath.exists() && filePath.extensionLowerCase() != ".rproj";

}

bool dummy(const FileInfo& file)

{

return true;

}

} // anonymous namespace

int main(int argc, char* argv[])

{

core::system::initHook();

try

{

QTextCodec::setCodecForCStrings(QTextCodec::codecForName("UTF-8"));

// initialize log

FilePath userHomePath = core::system::userHomePath("R_USER|HOME");

FilePath logPath = core::system::userSettingsPath(

userHomePath,

"RStudio-Desktop").childPath("log");

core::system::initializeLog("rdesktop",

core::system::kLogLevelWarning,

logPath);

boost::scoped_ptr<QApplication> pApp;

boost::scoped_ptr<ApplicationLaunch> pAppLaunch;

ApplicationLaunch::init(QString::fromAscii("RStudio"),

argc,

argv,

&pApp,

&pAppLaunch);

// determine the filename that was passed to us

QString filename;

#ifdef __APPLE__

// get filename from OpenFile apple-event (pump to ensure delivery)

pApp->processEvents();

filename = verifyAndNormalizeFilename(

pAppLaunch->startupOpenFileRequest());

#endif

// allow all platforms (including OSX) to check the command line.

// we include OSX because the way Qt handles apple events is to

// re-route them to the first instance to register for events. in

// this case (for projects) we use this to initiate a launch

// of the application with the project filename on the command line

if (filename.isEmpty())

{

// get filename from command line arguments

if (pApp->arguments().size() > 1)

filename = verifyAndNormalizeFilename(pApp->arguments().last());

}

// if we have a filename and it is NOT a project file then see

// if we can open it within an existing instance

if (isNonProjectFilename(filename))

{

if (pAppLaunch->sendMessage(filename))

return 0;

}

else

{

// try to register ourselves as a peer for others

pAppLaunch->attemptToRegisterPeer();

}

pApp->setAttribute(Qt::AA_MacDontSwapCtrlAndMeta);

initializeSharedSecret();

initializeWorkingDirectory(argc, argv, filename);

initializeStartupEnvironment(&filename);

Options& options = desktop::options();

if (!prepareEnvironment(options))

return 1;

// get install path

FilePath installPath;

Error error = core::system::installPath("..", argc, argv, &installPath);

if (error)

{

LOG_ERROR(error);

return EXIT_FAILURE;

}

#ifdef _WIN32

RVersion version = detectRVersion(false);

#endif

// calculate paths to config file and rsession

FilePath confPath, sessionPath;

// check for debug configuration

#ifndef NDEBUG

FilePath currentPath = FilePath::safeCurrentPath(installPath);

if (currentPath.complete("conf/rdesktop-dev.conf").exists())

{

confPath = currentPath.complete("conf/rdesktop-dev.conf");

sessionPath = currentPath.complete("session/rsession");

#ifdef _WIN32

if (version.architecture() == ArchX64)

sessionPath = installPath.complete("x64/rsession");

#endif

}

#endif

// if there is no conf path then release mode

if (confPath.empty())

{

// default session path (then tweak)

sessionPath = installPath.complete("bin/rsession");

// check for win64 binary on windows

#ifdef _WIN32

if (version.architecture() == ArchX64)

sessionPath = installPath.complete("bin/x64/rsession");

#endif

// check for running in a bundle on OSX

#ifdef __APPLE__

if (installPath.complete("Info.plist").exists())

sessionPath = installPath.complete("MacOS/rsession");

#endif

}

core::system::fixupExecutablePath(&sessionPath);

// launch session

SessionLauncher sessionLauncher(sessionPath, confPath);

error = sessionLauncher.launchFirstSession(filename, pAppLaunch.get());

if (!error)

{

int result = pApp->exec();

sessionLauncher.cleanupAtExit();

options.cleanUpScratchTempDir();

return result;

}

else

{

LOG_ERROR(error);

// These calls to processEvents() seem to be necessary to get

// readAllStandardError to work.

pApp->processEvents();

QMessageBox errorMsg(safeMessageBoxIcon(QMessageBox::Critical),

QString::fromUtf8("RStudio"),

sessionLauncher.launchFailedErrorMessage());

errorMsg.addButton(new QPushButton(QString::fromUtf8("OK")),

QMessageBox::AcceptRole);

errorMsg.show();

pApp->exec();

return EXIT_FAILURE;

}

CATCH_UNEXPECTED_EXCEPTION

}

rstudio/src/cpp/desktop/DesktopMain.cpp at master · usersbin/rstudio · GitHub

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