OpenFlipper.cc 20.5 KB
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/*===========================================================================*\
*                                                                            *
*                              OpenFlipper                                   *
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 *           Copyright (c) 2001-2015, RWTH-Aachen University                 *
 *           Department of Computer Graphics and Multimedia                  *
 *                          All rights reserved.                             *
 *                            www.openflipper.org                            *
 *                                                                           *
 *---------------------------------------------------------------------------*
 * This file is part of OpenFlipper.                                         *
 *---------------------------------------------------------------------------*
 *                                                                           *
 * Redistribution and use in source and binary forms, with or without        *
 * modification, are permitted provided that the following conditions        *
 * are met:                                                                  *
 *                                                                           *
 * 1. Redistributions of source code must retain the above copyright notice, *
 *    this list of conditions and the following disclaimer.                  *
 *                                                                           *
 * 2. Redistributions in binary form must reproduce the above copyright      *
 *    notice, this list of conditions and the following disclaimer in the    *
 *    documentation and/or other materials provided with the distribution.   *
 *                                                                           *
 * 3. Neither the name of the copyright holder nor the names of its          *
 *    contributors may be used to endorse or promote products derived from   *
 *    this software without specific prior written permission.               *
 *                                                                           *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS       *
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A           *
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,  *
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,       *
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR        *
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF    *
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING      *
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS        *
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.              *
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*                                                                            *
\*===========================================================================*/
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/*===========================================================================*\
*                                                                            *
*   $Revision$                                                       *
*   $LastChangedBy$                                                *
*   $Date$                     *
*                                                                            *
\*===========================================================================*/
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// Mainwindow

#include "OpenFlipper/Core/Core.hh"
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#include "common/glew_wrappers.hh"
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// Qt
#include <qgl.h>

// stdc++
#include <csignal>
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#include <regex>
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#include <QCommandLineParser>
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#if ( defined(WIN32))
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  #define NO_EXECINFO
#endif

#ifndef NO_EXECINFO
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#include <execinfo.h>
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#endif

#ifdef USE_OPENMP
#endif

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/* ==========================================================
 *
 * Stackwalker code. Used to get a backtrace if OpenFlipper
 * crashes under windows
 *
 * ==========================================================*/


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#ifdef WIN32
  #include "StackWalker/StackWalker.hh"
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  #include <fstream>
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  class StackWalkerToConsole : public StackWalker
  {
  protected:
	  virtual void OnOutput(LPCSTR szText)
    	{
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			// Writes crash dump to .OpenFlipper config directory
			std::ofstream crashFile;
			QString crashName = OpenFlipper::Options::configDirStr() + QDir::separator() + "CrashDump.txt";
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			crashFile.open(crashName.toLatin1(),std::ios::out | std::ios::app);
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			crashFile << szText;
			crashFile.close();
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	  }
  };
#endif

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/* ==========================================================
 *
 * Console for Windows to get additional output written via
 * cerr, cout, ... that is not forwarded to log window
 *
 * ==========================================================*/

#ifdef WIN32
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void connect_console()
{
  FILE* check = freopen("CONIN$", "r", stdin);
  if (check) {
    std::cerr << "Error reopening stdin" << std::endl;
  }
  check = freopen("CONOUT$", "w", stdout);
  if (check) {
    std::cerr << "Error reopening stdout" << std::endl;
  }
  check = freopen("CONOUT$", "w", stderr);
  if (check) {
    std::cerr << "Error reopening stderr" << std::endl;
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  }
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  std::cout.clear();
  std::cerr.clear();
  std::cin.clear();
  std::wcout.clear();
  std::wcerr.clear();
  std::wcin.clear();
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}
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  void attachConsole()
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   {
     //try to attach the console of the parent process
     if (AttachConsole(-1))
     {
       //if the console was attached change stdinput and output
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       connect_console();
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     }
     else
     {
       //create and attach a new console if needed
 #ifndef NDEBUG
       //always open a console in debug mode
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       AllocConsole();     
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       connect_console();
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       return;
 #endif
       if (OpenFlipper::Options::logToConsole())
       {
         AllocConsole();
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         connect_console();
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       }
     }
   }
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#endif

/* ==========================================================
 *
 * Linux function printing a full stack trace to the console
 *
 * ==========================================================*/
#ifndef NO_EXECINFO
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#if defined(__GLIBCXX__) || defined(__GLIBCPP__)
// GCC: implement demangling using cxxabi
#include <cxxabi.h>
std::string demangle(const std::string& _symbol)
{
    int status;
    char* demangled = abi::__cxa_demangle(_symbol.c_str(), nullptr, nullptr, &status);
    if (demangled) {
        std::string result{demangled};
        free(demangled);
        if (status == 0) {
            return result;
        }
        else {
            return _symbol;
        }
    }
    else {
        return _symbol;
    }
}
#else
// other compiler environment: no demangling
std::string demangle(const std::string& _symbol)
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{
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    return _symbol;
}
#endif
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void backtrace()
{
    void *addresses[20];
    char **strings;
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    int size = backtrace(addresses, 20);
    strings = backtrace_symbols(addresses, size);
    std::cerr << "Stack frames: " << size << std::endl;
    // line format:
    // <path>(<mangled_name>+<offset>) [<address>]
    std::regex line_format{R"(^\s*(.+)\((([^()]+)?\+(0x[0-9a-f]+))?\)\s+\[(0x[0-9a-f]+)\]\s*$)"};
    for(int i = 0; i < size; i++) {
        std::string line{strings[i]};
        std::smatch match;
        std::regex_match(line, match, line_format);
        if (!match.empty()) {
            auto file_name = match[1].str();
            auto symbol = demangle(match[3].str());
            auto offset = match[4].str();
            auto address = match[5].str();
            std::cerr << i << ":";
            if (!file_name.empty()) std::cerr << " " << file_name << " ::";
            if (!symbol.empty()) std::cerr << " " << symbol;
            if (!offset.empty()) std::cerr << " (+" << offset << ")";
            if (!address.empty()) std::cerr << " [" << address << "]";
            std::cerr << std::endl;
        }
    }
    free(strings);
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}
#endif

/* ==========================================================
 *
 * General segfault handler. This function is called if OpenFlipper
 * crashes
 *
 * ==========================================================*/
void segfaultHandling (int) {

  // prevent infinite recursion if segfaultHandling() causes another segfault
  std::signal(SIGSEGV, SIG_DFL);


  std::cerr << "\n" << std::endl;
  std::cerr << "\n" << std::endl;
  std::cerr << "\33[31m" << "=====================================================" << std::endl;
  std::cerr << "\33[31m" << "OpenFlipper or one of its plugins caused a Segfault." << std::endl;
  std::cerr << "\33[31m" << "This should not happen,... Sorry :-(" << std::endl;
  std::cerr << "\33[31m" << "=====================================================" << std::endl;
  std::cerr << "\n" << std::endl;

  // Linux Handler
#ifndef NO_EXECINFO
  std::cerr << "\33[0m"  << "Trying a backtrace to show what happened last: " << std::endl;
  backtrace();

  std::cerr << "\n" << std::endl;
  std::cerr << "Backtrace completed, trying to abort now ..." << std::endl;
#endif

  // Windows handler via StackWalker
#ifdef WIN32
  StackWalkerToConsole sw;
  sw.ShowCallstack();
#endif


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  std::cerr << "Trying to get additional information (This might fail if the memory is corrupted)." << std::endl;

  if (OpenFlipper::Options::gui()) {
    for ( unsigned int i = 0 ; i <  4 ; ++i) {
      std::cerr << "DrawMode Viewer "<<  i << " " << PluginFunctions::drawMode(i).description() << std::endl;
    }
  }

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  std::abort();
}
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enum CommandLineParseResult
{
    CommandLineOk,
    CommandLineError,
    CommandLineVersionRequested,
    CommandLineHelpRequested
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};

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bool openPolyMeshes = false;
bool remoteControl  = false;
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// Parse all options
CommandLineParseResult parseCommandLine(QCommandLineParser &parser, QString *errorMessage) {
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  #ifndef WIN32
  #ifndef __APPLE__
    //workaround for bug with stereo mode on Qt5.7.0 and Qt5.7.1 on Linux
    int QtVersionMajor, QtVersionMinor, QtVersionPatch;
    if(sscanf(qVersion(),"%1d.%1d.%1d",&QtVersionMajor, &QtVersionMinor, &QtVersionPatch) == 3)
    {
      if(QtVersionMajor == 5 && QtVersionMinor >= 7)
      {
        if(QtVersionPatch < 2)
        {
          std::cerr << "The used Qt Version does not support stereo mode. Disabling stereo mode." << std::endl;
          OpenFlipper::Options::stereo(false);
        }
        else
          std::cerr << "Stereo Mode has not been tested for the used Qt Version." << std::endl;
      }
    }
  #endif
  #endif


 parser.setSingleDashWordOptionMode(QCommandLineParser::ParseAsLongOptions);

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 QCommandLineOption debugOption(QStringList() << "d" << "debug",QCoreApplication::translate("main", "Enable debugging mode"));
 parser.addOption(debugOption);
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 QCommandLineOption stereoOption("disable-stereo",QCoreApplication::translate("main", "Disable stereo mode"));
 parser.addOption(stereoOption);
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 QCommandLineOption batchOption(QStringList() << "b" << "batch",QCoreApplication::translate("main", "Batch mode, you have to provide a script for execution"));
 parser.addOption(batchOption);
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 QCommandLineOption logConsoleOption(QStringList() << "c" << "log-to-console",QCoreApplication::translate("main", "Write logger window contents to console"));
 parser.addOption(logConsoleOption);
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 QCommandLineOption remoteControlOption("remote-control",QCoreApplication::translate("main", "Batch mode accepting remote connections"));
 parser.addOption(remoteControlOption);
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 QCommandLineOption fulscreenOption(QStringList() << "f" << "fullscreen",QCoreApplication::translate("main", "Start in fullscreen mode"));
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 parser.addOption(fulscreenOption);
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 QCommandLineOption hideLoggerOption(QStringList() << "l" << "hide-logger",QCoreApplication::translate("main", "Start with hidden log window"));
 parser.addOption(hideLoggerOption);
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 QCommandLineOption hideToolboxOption(QStringList() << "t" << "hide-toolbox",QCoreApplication::translate("main", "Start with hidden toolbox"));
 parser.addOption(hideToolboxOption);
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 QCommandLineOption noSplashOption("no-splash",QCoreApplication::translate("main", "Hide splash screen"));
 parser.addOption(noSplashOption);
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 QCommandLineOption polyMeshOption("p",QCoreApplication::translate("main", "Open files as PolyMeshes"));
 parser.addOption(polyMeshOption);
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 QCommandLineOption remotePortOption("remote-port",QCoreApplication::translate("main", "Remote port"),"portnumber");
 parser.addOption(remotePortOption);
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 QCommandLineOption coreProfileOption("core-profile",QCoreApplication::translate("main", "OpenGL Core Profile Mode"));
 parser.addOption(coreProfileOption);
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 QCommandLineOption glVersionOption("glVersion",QCoreApplication::translate("main","Request OpenGL version <major>.<minor> "),QCoreApplication::translate("main","< 1.0 | 1.1 | ... | 4.6 >"));
 parser.addOption(glVersionOption);
 
 QCommandLineOption samplesOption("samples",QCoreApplication::translate("main","Overwrite multisampling sample count"),QCoreApplication::translate("main","< 0 | 1 | 2 | ... | 16 >"));
 parser.addOption(samplesOption);
 
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 QCommandLineOption glStereoOption("glStereo",QCoreApplication::translate("main","Overwrite OpenGL Stereo setting"),QCoreApplication::translate("main","< true | false >"));
 parser.addOption(glStereoOption);
 
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 QCommandLineOption profileOption("profile",QCoreApplication::translate("main","Request OpenGL context profile <profile> with profile set as compat or core"),QCoreApplication::translate("main","< compat | core >"));
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 parser.addOption(profileOption);
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 const QCommandLineOption helpOption = parser.addHelpOption();
 const QCommandLineOption versionOption = parser.addVersionOption();
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 // Now parse the command line
 if (!parser.parse(QCoreApplication::arguments())) {
   *errorMessage = parser.errorText();
   return CommandLineError;
 }

 if (parser.isSet(helpOption))
   return CommandLineHelpRequested;

 if (parser.isSet(versionOption))
   return CommandLineVersionRequested;

 if (parser.isSet(debugOption)) {
   OpenFlipper::Options::debug(true);
 }

 if (parser.isSet(stereoOption)) {
   OpenFlipper::Options::stereo(false);
 }

 if (parser.isSet(batchOption)) {
   OpenFlipper::Options::nogui(true);
 }

 if (parser.isSet(logConsoleOption)) {
   OpenFlipper::Options::logToConsole(true);
 }

 if (parser.isSet(remoteControlOption)) {
   OpenFlipper::Options::remoteControl(true);
 }

 if (parser.isSet(fulscreenOption)) {
   OpenFlipperSettings().setValue("Core/Gui/fullscreen",true);
 }

 if (parser.isSet(hideLoggerOption)) {
   OpenFlipper::Options::loggerState(OpenFlipper::Options::Hidden);
 }

 if (parser.isSet(hideToolboxOption)) {
   OpenFlipperSettings().setValue("Core/Gui/ToolBoxes/hidden",true);
 }

 if (parser.isSet(noSplashOption)) {
   OpenFlipperSettings().setValue("Core/Gui/splash",false);
 }

 if (parser.isSet(polyMeshOption)) {
   openPolyMeshes = true;
 }

 if (parser.isSet(remotePortOption)) {
   const QString port = parser.value("remote-port");
   std::cerr << "Got port option : " << port.toStdString() << std::endl;
   OpenFlipper::Options::remoteControl(port.toInt());
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 }
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 if(parser.isSet("samples"))
   OpenFlipper::Options::samples(parser.value("samples").toInt(),true);
 if(parser.isSet("glVersion"))
 {
   QStringList values = parser.value("glVersion").split(".");
   QPair<int,int> version(
          values[0].toInt(),
          values[1].toInt());
   OpenFlipper::Options::glVersion(version,true);
 }
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 if(parser.isSet("glStereo"))
   OpenFlipper::Options::glStereo(parser.value("glStereo")=="true");
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 if(parser.value(profileOption)=="core")
 {
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     OpenFlipper::Options::coreProfile(true, true);
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 }
 else
 {
     if(parser.value(profileOption)=="compat")
     {
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         OpenFlipper::Options::coreProfile(false, true);
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     }
 }
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 if(parser.isSet(coreProfileOption)) {
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   OpenFlipper::Options::coreProfile(true, true);
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 }
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 return CommandLineOk;
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}

int main(int argc, char **argv)
{
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  // Remove -psn_0_xxxxx argument which is automatically
  // attached by MacOSX
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  for (int i = 0; i < argc; i++) {
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    if(strlen(argv[i]) > 4) {
      if( ( (argv[i])[0] == '-' ) &&
        ( (argv[i])[1] == 'p' ) &&
        ( (argv[i])[2] == 's' ) &&
        ( (argv[i])[3] == 'n' ) ) {
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        argc--;
        argv[i] = (char *)"";
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      }
    }
  }
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  OpenFlipper::Options::argc(&argc);
  OpenFlipper::Options::argv(&argv);

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  // Set organization and application names
  QCoreApplication::setOrganizationName("rwth-aachen.de");
  QCoreApplication::setApplicationName(TOSTRING(PRODUCT_STRING));
  QCoreApplication::setApplicationVersion(OpenFlipper::Options::coreVersion());
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  // initialize a core application to check for commandline parameters
  QCoreApplication* coreApp = new QCoreApplication(argc, argv);

  OpenFlipper::Options::initializeSettings();
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  QCommandLineParser parser;
  QString errorMessage;
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  // parse command line options
  switch (parseCommandLine(parser, &errorMessage)) {
  case CommandLineOk:
	  break;
  case CommandLineError:
	  fputs(qPrintable(errorMessage), stderr);
	  fputs("\n\n", stderr);
	  fputs(qPrintable(parser.helpText()), stderr);
	  return 1;
  case CommandLineVersionRequested:
	  printf("%s %s\n", qPrintable(QCoreApplication::applicationName()),
		  qPrintable(QCoreApplication::applicationVersion()));
	  return 0;
  case CommandLineHelpRequested:
	  parser.showHelp();
	  Q_UNREACHABLE();
  }

  // only one application is allowed so delete the core application
  // once cmdline parsing is done
  delete coreApp;



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#ifdef WIN32
  //attach a console if necessary
  attachConsole();
#endif
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#ifndef NO_CATCH_SIGSEGV
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  // Set a handler for segfaults
  std::signal(SIGSEGV, segfaultHandling);
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#endif
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  OpenFlipper::Options::windowTitle(TOSTRING(PRODUCT_STRING)" v" + OpenFlipper::Options::coreVersion());
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  if ( !OpenFlipper::Options::nogui() ) {
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    // OpenGL check
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    QApplication::setAttribute(Qt::AA_ShareOpenGLContexts);
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    QApplication::setColorSpec( QApplication::CustomColor );
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    QSurfaceFormat format;
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    QPair<int,int> version = OpenFlipper::Options::glVersion();
    format.setVersion(version.first, version.second);
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    if (OpenFlipper::Options::coreProfile())
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    {
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      format.setProfile(QSurfaceFormat::CoreProfile);
    }
    else {
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      format.setProfile(QSurfaceFormat::CompatibilityProfile);
      format.setOption(QSurfaceFormat::DeprecatedFunctions);
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    }
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    if (OpenFlipper::Options::debug())
      format.setOption(format.options() | QSurfaceFormat::DebugContext);

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    format.setSamples(OpenFlipper::Options::samples());
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    format.setStereo(OpenFlipper::Options::glStereo());
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    QSurfaceFormat::setDefaultFormat(format);

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    QApplication app(argc, argv);
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    QScreen *screen = app.primaryScreen();

    QOffscreenSurface *surface = new QOffscreenSurface();
    surface->create();

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    //make the globally shared OpenGLContext current
    QOpenGLContext::globalShareContext()->makeCurrent(surface);    
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    if ( !QGLFormat::hasOpenGL() ) {
      std::cerr << "This system has no OpenGL support.\n";
      return -1;
    }
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#ifndef __APPLE__
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    glutInit(&argc,argv);
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#endif
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    // create core ( this also reads the ini files )
    Core * w = new Core( );
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    QString tLang = OpenFlipperSettings().value("Core/Language/Translation","en_US").toString();
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    if (tLang == "locale")
      tLang = QLocale::system().name();

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    // Install translator for qt internals
    QTranslator qtTranslator;
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    qtTranslator.load("qt_" + tLang, QLibraryInfo::location(QLibraryInfo::TranslationsPath));
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    app.installTranslator(&qtTranslator);
    
    // install translator for Core Application
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    QString translationDir = OpenFlipper::Options::translationsDirStr() + QDir::separator();
    QDir dir(translationDir);
    dir.setFilter(QDir::Files);

    QFileInfoList list = dir.entryInfoList();

    for (int i = 0; i < list.size(); ++i) {
      QFileInfo fileInfo = list.at(i);

      if ( fileInfo.baseName().contains(tLang) ){
        QTranslator* myAppTranslator = new QTranslator();

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        if ( myAppTranslator->load( fileInfo.filePath() ) )
        {    
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          app.installTranslator(myAppTranslator);
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        } else 
        {
  	        delete myAppTranslator;
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        }
      }
     }
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    #ifndef __APPLE__
    initGlew();
    #endif
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    // After setting all Options from command line, build the real gui
    w->init();

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    const QStringList positionalArguments = parser.positionalArguments();

    for ( auto file: positionalArguments ) {
      w->commandLineOpen(file, openPolyMeshes);
    }
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    return app.exec();
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  } else {
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    QCoreApplication app(argc,argv);
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    // create widget ( this also reads the ini files )
    Core * w = new Core( );
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    // After setting all Options from command line, build the real gui
    w->init();
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    const QStringList positionalArguments = parser.positionalArguments();

    for ( auto file: positionalArguments ) {
      w->commandLineOpen(file, openPolyMeshes);
    }
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    return app.exec();
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  }

  return 0;
}