// This is the SIP interface definition for QWidgetList.
//
// Copyright (c) 2007
// 	Riverbank Computing Limited <info@riverbankcomputing.co.uk>
// 
// This file is part of PyQt.
// 
// This copy of PyQt 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 2, or (at your option) any later
// version.
// 
// PyQt is supplied 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
// PyQt; see the file LICENSE.  If not, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.


%ExportedDoc
<Sect2><Title>QWidgetList</Title>
<Para>
This class isn't implemented.  Whenever a <Literal>QWidgetList</Literal> is the
return type of a function or the type of an argument, a Python list of
instances is used instead.
</Para>
</Sect2>
%End


%MappedType QWidgetList
{
%TypeHeaderCode
#include <qwidgetlist.h>
%End

%ConvertFromTypeCode
	// Convert the list.

	PyObject *pl;
	QWidget *obj;

	if ((pl = PyList_New(0)) == NULL)
		return NULL;

	for (QWidgetListIt it(*sipCpp); (obj = it.current()) != NULL; ++it)
	{
		PyObject *inst;

		if ((inst = sipConvertFromInstance(obj,sipClass_QWidget,sipTransferObj)) == NULL || PyList_Append(pl,inst) < 0)
		{
			Py_XDECREF(inst);
			Py_DECREF(pl);

			return NULL;
		}

		Py_DECREF(inst);
	}

	return pl;
%End
 
%ConvertToTypeCode
	// Convert a Python list of QWidget instances to a QWidgetList on the
	// heap.

	if (sipIsErr == NULL)
	{
		if (!PyList_Check(sipPy))
			return 0;

		for (int i = 0; i < PyList_GET_SIZE(sipPy); ++i)
			if (!sipCanConvertToInstance(PyList_GET_ITEM(sipPy,i),sipClass_QWidget,0))
				return 0;

		return 1;
	}
 
	QWidgetList *qwl = new QWidgetList;
 
	for (int i = 0; i < PyList_GET_SIZE(sipPy); ++i)
	{
		QWidget *qw;
 
		// We apply the transfer to the list itself, not the elements.
		// Note that any temporary element will never be destroyed.
		// There is nothing that can be done about this.
		qw = reinterpret_cast<QWidget *>(sipConvertToInstance(PyList_GET_ITEM(sipPy,i),sipClass_QWidget,0,0,0,sipIsErr));
 
		if (*sipIsErr)
		{
			delete qwl;
			return 0;
		}
 
		qwl -> append(qw);
	}
 
	*sipCppPtr = qwl;

	return sipGetState(sipTransferObj);
%End
};
