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/*
* Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved.
*
* This program 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; version 2 of the
* License.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include "mforms/mforms.h"
using namespace mforms;
static boost::signals2::signal<void (int)> _radio_activated;
static int radio_group_id = 0;
int RadioButton::new_id()
{
return ++radio_group_id;
}
RadioButton::RadioButton(int group_id)
: _group_id(group_id)
{
_radio_impl= &ControlFactory::get_instance()->_radio_impl;
_radio_impl->create(this, group_id);
scoped_connect(&_radio_activated, boost::bind(&RadioButton::radio_activated, this, _1));
}
void RadioButton::set_active(bool flag)
{
_updating= true;
(*_radio_impl->set_active)(this, flag);
if (flag)
_radio_activated(_group_id);
_updating= false;
}
bool RadioButton::get_active()
{
return (*_radio_impl->get_active)(this);
}
void RadioButton::radio_activated(int group_id)
{
if (group_id == _group_id && !_updating)
set_active(false);
}
void RadioButton::callback()
{
if (!_updating)
{
_updating = true;
_radio_activated(_group_id);
_updating = false;
}
// We leave it here as there's additional if(!_updating) check inside the callback()
Button::callback();
}
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