////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2011-2022 The Octave Project Developers
//
// See the file COPYRIGHT.md in the top-level directory of this
// distribution or <https://octave.org/copyright/>.
//
// This file is part of Octave.
//
// Octave 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.
//
// Octave is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Octave; see the file COPYING.  If not, see
// <https://www.gnu.org/licenses/>.
//
////////////////////////////////////////////////////////////////////////

#if defined (HAVE_CONFIG_H)
#  include "config.h"
#endif

#include <QCoreApplication>
#include <QSettings>
#include <QString>

#include "main-window.h"
#include "octave-qobject.h"
#include "qt-application.h"

#include "lo-utils.h"
#include "oct-env.h"
#include "oct-syscalls.h"
#include "signal-wrappers.h"

#include "display.h"
#include "octave.h"
#include "sysdep.h"

OCTAVE_BEGIN_NAMESPACE(octave)

  qt_application::qt_application (const std::string& organization_name,
                                  const std::string& application_name,
                                  const std::string& application_version,
                                  int argc, char **argv)
    : application (argc, argv)
  {
    if (! organization_name.empty ())
      QCoreApplication::setOrganizationName
        (QString::fromStdString (organization_name));

    if (! application_name.empty ())
      QCoreApplication::setApplicationName
        (QString::fromStdString (application_name));

    if (! application_version.empty ())
      QCoreApplication::setApplicationVersion
        (QString::fromStdString (application_version));

    // FIXME: Is there a better place for this?
    QSettings::setDefaultFormat (QSettings::IniFormat);

    // This should probably happen early.
    sysdep_init ();
  }

  qt_application::qt_application (int argc, char **argv)
    : application (argc, argv)
  {
    // This should probably happen early.
    sysdep_init ();
  }

  bool qt_application::start_gui_p (void) const
  {
    // Note: this function is not needed if using the experimental
    // terminal widget, so return a dummy value of false in that case.

    return experimental_terminal_widget () ? false : m_options.gui ();
  }

  int qt_application::execute (void)
  {
    octave_block_interrupt_signal ();

    set_application_id ();

    // Create and show main window.

    // Note: the second argument is ignored if using the new terminal
    // widget.

    base_qobject qt_interface (*this, start_gui_p ());

    return qt_interface.exec ();
  }

OCTAVE_END_NAMESPACE(octave)