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////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2011-2024 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 <QComboBox>
#include "Container.h"
#include "PopupMenuControl.h"
#include "QtHandlesUtils.h"
OCTAVE_BEGIN_NAMESPACE(octave)
PopupMenuControl *
PopupMenuControl::create (octave::interpreter& interp,
const graphics_object& go)
{
Object *parent = parentObject (interp, go);
if (parent)
{
Container *container = parent->innerContainer ();
if (container)
return new PopupMenuControl (interp, go,
new QComboBox (container));
}
return nullptr;
}
PopupMenuControl::PopupMenuControl (octave::interpreter& interp,
const graphics_object& go,
QComboBox *box)
: BaseControl (interp, go, box), m_blockUpdate (false)
{
uicontrol::properties& up = properties<uicontrol> ();
box->addItems (Utils::fromStdString (up.get_string_string ()).split ('|'));
update (uicontrol::properties::ID_VALUE);
connect (box, QOverload<int>::of (&QComboBox::activated),
this, &PopupMenuControl::currentIndexChanged);
}
PopupMenuControl::~PopupMenuControl ()
{ }
void PopupMenuControl::update (int pId)
{
uicontrol::properties& up = properties<uicontrol> ();
QComboBox *box = qWidget<QComboBox> ();
switch (pId)
{
case uicontrol::properties::ID_STRING:
m_blockUpdate = true;
{
int oldCurrent = box->currentIndex ();
box->clear ();
box->addItems (Utils::fromStdString
(up.get_string_string ()).split ('|'));
if (box->count () > 0
&& oldCurrent >= 0
&& oldCurrent < box->count ())
{
box->setCurrentIndex (oldCurrent);
}
else
{
emit gh_set_event (m_handle, "value",
octave_value (box->count () > 0 ? 1.0 : 0.0),
false);
}
}
m_blockUpdate = false;
break;
case uicontrol::properties::ID_VALUE:
m_blockUpdate = true;
{
Matrix value = up.get_value ().matrix_value ();
if (value.numel () > 0)
{
if (value(0) != static_cast<int> (value(0)))
warning ("popupmenu value should be integer");
else
{
int newIndex = int (value(0)) - 1;
if (newIndex >= 0 && newIndex < box->count ())
{
if (newIndex != box->currentIndex ())
box->setCurrentIndex (newIndex);
}
else
warning ("popupmenu value not within valid display range");
}
}
}
m_blockUpdate = false;
break;
default:
BaseControl::update (pId);
break;
}
}
void
PopupMenuControl::currentIndexChanged (int index)
{
if (! m_blockUpdate)
{
emit gh_set_event (m_handle, "value", octave_value (double (index + 1)),
false);
emit gh_callback_event (m_handle, "callback");
}
}
OCTAVE_END_NAMESPACE(octave)
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