qt-application.h

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////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2012-2022 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
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////////////////////////////////////////////////////////////////////////
 
#if ! defined (octave_qt_application_h)
#define octave_qt_application_h 1
 
#include "octave.h"
 
namespace octave
{
  // Programming Note: This file must not include any Qt headers.  Any
  // Qt header files required by the qt_application::execute function
  // must be included only in the corresponding .cc file.
 
  //! This class inherits from the pure-virtual base class
  //! application and provides an implementation of the
  //! application::execute method that starts an interface to Octave
  //! that is based on Qt.  It may start a command-line interface that
  //! allows Qt graphics to be used or it may start an interface that
  //! provides the full GUI experience.
 
  class OCTGUI_API qt_application  : public application
  {
  public:
 
    qt_application (int argc, char **argv);
 
    // No copying, at least not yet.
 
    qt_application (const qt_application&) = delete;
 
    qt_application& operator = (const qt_application&) = delete;
 
    ~qt_application (void) = default;
 
    // Should we start the GUI or fall back to the CLI?
    bool start_gui_p (void) const;
 
    int execute (void);
 
    bool gui_running (void) const { return m_gui_running; }
    void gui_running (bool arg) { m_gui_running = arg; }
 
  private:
 
    // If TRUE, the GUI should be started.
    bool m_gui_running = false;
  };
}
 
#endif