MantidDesktopServices.cpp

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2018 ISIS Rutherford Appleton Laboratory UKRI,
//   NScD Oak Ridge National Laboratory, European Spallation Source,
//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#include "MantidQtWidgets/Common/MantidDesktopServices.h"
 
#include <QDesktopServices>
#include <QUrl>
 
#ifdef __linux__
#include <QProcessEnvironment>
#include <cstdlib>
 
namespace {
// String name of LD_PRELOAD environment variable
constexpr const char *LDPRELOAD_ENV = "LD_PRELOAD";
} // namespace
#endif
 
namespace MantidQt::API {
 
bool MantidDesktopServices::openUrl(const QUrl &url) {
#ifndef __linux__
  return QDesktopServices::openUrl(url);
#else
  // Remove LD_PRELOAD if present
  auto systemEnv = QProcessEnvironment::systemEnvironment();
  auto ldpreload = systemEnv.value(LDPRELOAD_ENV, QString());
  if (!ldpreload.isEmpty()) {
    unsetenv(LDPRELOAD_ENV);
  }
  auto status = QDesktopServices::openUrl(url);
  if (!ldpreload.isEmpty()) {
    setenv(LDPRELOAD_ENV, qPrintable(ldpreload), 1 /* overwrite*/);
  }
  return status;
#endif
}
 
bool MantidDesktopServices::openUrl(const QString &url) { return openUrl(QUrl(url)); }
 
void MantidDesktopServices::setUrlHandler(const QString &scheme, QObject *receiver, const char *method) {
  QDesktopServices::setUrlHandler(scheme, receiver, method);
}
 
void MantidDesktopServices::unsetUrlHandler(const QString &scheme) { QDesktopServices::unsetUrlHandler(scheme); }
} // namespace MantidQt::API