////////////////////////////////////////////////////////////////////////
//
// 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 <QPushButton>

#include "ToggleButtonControl.h"
#include "ButtonGroup.h"
#include "Container.h"
#include "QtHandlesUtils.h"

#include "octave-qobject.h"

namespace octave
{

  ToggleButtonControl *
  ToggleButtonControl::create (octave::base_qobject& oct_qobj,
                               octave::interpreter& interp,
                               const graphics_object& go)
  {
    Object *parent = parentObject (interp, go);

    if (parent)
      {
        Container *container = parent->innerContainer ();

        if (container)
          return new ToggleButtonControl (oct_qobj, interp, go,
                                          new QPushButton (container));
      }

    return nullptr;
  }

  ToggleButtonControl::ToggleButtonControl (octave::base_qobject& oct_qobj,
                                            octave::interpreter& interp,
                                            const graphics_object& go,
                                            QPushButton *btn)
    : ButtonControl (oct_qobj, interp, go, btn)
  {
    Object *parent = parentObject (interp, go);
    ButtonGroup *btnGroup = dynamic_cast<ButtonGroup *>(parent);
    if (btnGroup)
      btnGroup->addButton (btn);

    uicontrol::properties& up = properties<uicontrol> ();

    btn->setCheckable (true);
    btn->setAutoFillBackground (true);
    octave_value cdat = up.get_cdata ();
    QImage img = Utils::makeImageFromCData (cdat,
                                            cdat.columns (), cdat.rows ());
    btn->setIcon (QIcon (QPixmap::fromImage (img)));
    btn->setIconSize (QSize (cdat.columns (), cdat.rows ()));
  }

  ToggleButtonControl::~ToggleButtonControl (void)
  { }

  void
  ToggleButtonControl::update (int pId)
  {
    uicontrol::properties& up = properties<uicontrol> ();
    QPushButton *btn = qWidget<QPushButton> ();

    switch (pId)
      {
      case uicontrol::properties::ID_CDATA:
        {
          octave_value cdat = up.get_cdata ();
          QImage img = Utils::makeImageFromCData (cdat,
                                                  cdat.rows (),
                                                  cdat.columns ());
          btn->setIcon (QIcon (QPixmap::fromImage (img)));
          btn->setIconSize (QSize (cdat.columns (), cdat.rows ()));
        }
        break;

      default:
        ButtonControl::update (pId);
        break;
      }
  }

};
