}

  QString fileName;

  if ( fd->exec() == QDialog::Accepted ) {

    fileName = fd->selectedFile();

    if (working_dir) {

      delete working_dir;

    }

    working_dir = fd->dir();

    if (readStateXML((const char *)fileName,fd->readGeometryP(), fd->readParametersP()) )

      return readStateXML(); // user can try again

  }

}

void Main::clear()

{

  editor->clear();

}

void Main::about()

{

  static QMessageBox* about = new QMessageBox

      "<h3>Virtual Leaf V1.0</h3>"

      "<p>"

      "An Open Source framework for cell-based modeling of plant tissue growth and development <br>"

      "(c) 2005-2008, Roeland Merks <i>et al.</i><br>"

      "    <a href=\"http://www.psb.vib-ugent.be\">VIB Department Plant Systems Biology</a>, "

      "Ghent, Belgium <br>"

      "(c) 2008-2010, <a href=\"http://www.cwi.nl/~merks\">Roeland Merks <i>et al.</i></a> <br>"

      "    <a href=\"http://www.cwi.nl\">Centrum Wiskunde & Informatica</a> and <a href=\"http://www.ncsb.nl\">Netherlands Consortium for Systems Biology</a>, Amsterdam, Netherlands <br>"

"<br>The Virtual Leaf is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.<br>"

      "<br>If you use this code for your projects, please cite our paper:"

"<br>Merks, Guravage, Inze, and Beemster. An Open Source framework for cell-based modeling of plant tissue growth and development. <i>Plant Physiology,</i> submitted.<br> . <br>"

      "<br>Please share your model plugins and extensions at <a href=\"http://virtualleaf.googlecode.com\">http://virtualleaf.googlecode.com</a>.", 

      QMessageBox::Information, 1, 0, 0, this, 0, FALSE );

  about->setButtonText( 1, "Dismiss" );

  about->show();

}

#include <string>

#include <fstream>

#include <streambuf>

void Main::gpl()

{

  static QMessageBox* gpl = new QMessageBox ( "License", "",