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/************************************************************************
*
* Copyright 2010-2012 Jakob Leben (jakob.leben@gmail.com)
*
* This file is part of SuperCollider Qt GUI.
*
* 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, either version 2 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*
************************************************************************/
#pragma once
#include "QObjectProxy.h"
#include "Common.h"
#include "metatype.hpp"
#include <PyrObject.h>
#include <QMetaObject>
#include <QObject>
#include <QWidget>
#include <QHash>
class QcAbstractFactory;
typedef QHash<QString,QcAbstractFactory*> QcFactoryHash;
namespace QtCollider {
QcFactoryHash & factories ();
}
class QcAbstractFactory
{
public:
virtual const QMetaObject *metaObject() = 0;
virtual QObjectProxy *newInstance( PyrObject *, QtCollider::MetaValue arg[10] ) = 0;
};
static void qcNoConstructorMsg( const QMetaObject *metaObject, int argc, QtCollider::MetaValue *argv )
{
QString str = QStringLiteral("No appropriate constructor found for %1 (")
.arg( metaObject->className() );
for (int i = 0; i < argc; ++i)
{
MetaType *type = argv[i].type();
if (type)
{
if (i > 0) str += ", ";
str += QMetaType::typeName( type->id() );
}
else
break;
}
str += ")";
qcErrorMsg( str );
}
template <class QOBJECT> class QcObjectFactory : public QcAbstractFactory
{
public:
const QMetaObject *metaObject() {
return &QOBJECT::staticMetaObject;
}
virtual QObjectProxy *newInstance( PyrObject *scObject, QtCollider::MetaValue arg[10] ) {
QOBJECT *qObject;
if( !arg[0].type() ) {
qObject = new QOBJECT;
}
else {
QObject *obj = QOBJECT::staticMetaObject.newInstance(
arg[0].toGenericArgument(),
arg[1].toGenericArgument(),
arg[2].toGenericArgument(),
arg[3].toGenericArgument(),
arg[4].toGenericArgument(),
arg[5].toGenericArgument(),
arg[6].toGenericArgument(),
arg[7].toGenericArgument(),
arg[8].toGenericArgument(),
arg[9].toGenericArgument()
);
qObject = qobject_cast<QOBJECT*>(obj);
if( !qObject ) {
qcNoConstructorMsg( metaObject(), 10, arg );
return 0;
}
}
return proxy( qObject, scObject );
}
protected:
virtual QObjectProxy *proxy( QOBJECT *obj, PyrObject *sc_obj ) {
QObjectProxy *prox( new QObjectProxy(obj, sc_obj) );
initialize( prox, obj );
return prox;
}
virtual void initialize( QObjectProxy *proxy, QOBJECT *obj ) {};
};
#define QC_DECLARE_FACTORY( QOBJECT, FACTORY ) \
void add_factory_##QOBJECT () { \
QcAbstractFactory *factory = new FACTORY; \
factories().insert( factory->metaObject()->className(), factory ); \
}
#define QC_DECLARE_QOBJECT_FACTORY( QOBJECT ) QC_DECLARE_FACTORY( QOBJECT, QcObjectFactory<QOBJECT> )
#define QC_ADD_FACTORY( QOBJECT ) \
void add_factory_##QOBJECT(); \
add_factory_##QOBJECT()
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