Function main

Applications/ctkSimplePythonShell/ctkSimplePythonShellMain.cpp:81–183

-----------------------------------------------------------------------------

//-----------------------------------------------------------------------------
int main(int argc, char** argv)
{
#ifdef CTK_WRAP_PYTHONQT_USE_VTK
  vtkDebugLeaks::SetExitError(true);
  ctkTestWrappedVTKObserver testWrappedVTKObserver;
#endif

  int exitCode = EXIT_FAILURE;
  {
    QApplication app(argc, argv);

    ctkCommandLineParser parser;
    // Use Unix-style argument names
    parser.setArgumentPrefix("--", "-");

    // Add command line argument names
    parser.addArgument("help", "h", QVariant::Bool, "Print usage information and exit.");
    parser.addArgument("interactive", "I", QVariant::Bool, "Enable interactive mode");

    // Parse the command line arguments
    bool ok = false;
    QHash<QString, QVariant> parsedArgs = parser.parseArguments(QCoreApplication::arguments(), &ok);
    if (!ok)
    {
      QTextStream(stderr, QIODevice::WriteOnly) << "Error parsing arguments: "
                                                << parser.errorString() << "\n";
      return EXIT_FAILURE;
    }

    // Show a help message
    if (parsedArgs.contains("help") || parsedArgs.contains("h"))
    {
      QTextStream(stdout, QIODevice::WriteOnly) << "ctkSimplePythonShell\n"
            << "Usage\n\n"
            << "  ctkSimplePythonShell [options] [<path-to-python-script> ...]\n\n"
            << "Options\n"
            << parser.helpText();
      return EXIT_SUCCESS;
    }

    ctkSimplePythonManager pythonManager;

    ctkPythonConsole console;
    console.initialize(&pythonManager);

    QMainWindow * mainWindow = new QMainWindow();
    mainWindow->setCentralWidget(&console);
    mainWindow->resize(600, 280);
    mainWindow->show();

    QLabel cursorPositionLabel;
    mainWindow->statusBar()->addWidget(&cursorPositionLabel);

    ctkCallback cursorPositionChangedCallback;
    cursorPositionChangedCallback.setCallbackData(&console);
    cursorPositionChangedCallback.setCallback(onCursorPositionChanged);
    QObject::connect(&console, SIGNAL(cursorPositionChanged()),
                     &cursorPositionChangedCallback, SLOT(invoke()));