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/*
* Copyright (c) 2002 Patrick Julien <freak@codepimps.org>
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "kis_types.h"
#include "kis_global.h"
#include "kis_tile.h"
#include "kis_tileddatamanager.h"
#include "kis_image.h"
#include "kis_transaction.h"
#include "kis_memento.h"
#include "kis_paint_device.h"
#include "kis_layer.h"
class KisTransactionPrivate {
public:
TQString m_name;
KisPaintDeviceSP m_device;
KisMementoSP m_memento;
};
KisTransaction::KisTransaction(const TQString& name, KisPaintDeviceSP device)
{
m_private = new KisTransactionPrivate;
m_private->m_name = name;
m_private->m_device = device;
m_private->m_memento = device->getMemento();
}
KisTransaction::~KisTransaction()
{
if (m_private->m_memento) {
// For debugging purposes
m_private->m_memento->setInvalid();
}
delete m_private;
}
void KisTransaction::execute()
{
Q_ASSERT(m_private->m_memento != 0);
m_private->m_device->rollforward(m_private->m_memento);
TQRect rc;
TQ_INT32 x, y, width, height;
m_private->m_memento->extent(x,y,width,height);
rc.setRect(x + m_private->m_device->getX(), y + m_private->m_device->getY(), width, height);
KisLayerSP l = m_private->m_device->parentLayer();
if (l) l->setDirty(rc);
}
void KisTransaction::unexecute()
{
Q_ASSERT(m_private->m_memento != 0);
m_private->m_device->rollback(m_private->m_memento);
TQRect rc;
TQ_INT32 x, y, width, height;
m_private->m_memento->extent(x,y,width,height);
rc.setRect(x + m_private->m_device->getX(), y + m_private->m_device->getY(), width, height);
KisLayerSP l = m_private->m_device->parentLayer();
if (l) l->setDirty(rc);
}
void KisTransaction::unexecuteNoUpdate()
{
Q_ASSERT(m_private->m_memento != 0);
m_private->m_device->rollback(m_private->m_memento);
}
TQString KisTransaction::name() const
{
return m_private->m_name;
}
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