kis_document_undo_store.cpp

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/*
 *  SPDX-FileCopyrightText: 2011 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#include "kis_document_undo_store.h"
 
#include "KisDocument.h"
#include <kundo2stack.h>
 
 
/*****************************************************************/
/*                KisDocumentUndoStore                           */
/*****************************************************************/
 
KisDocumentUndoStore::KisDocumentUndoStore(KisDocument *doc)
    : m_doc(doc)
{
    KIS_SAFE_ASSERT_RECOVER_NOOP(doc->thread() == this->thread());
 
    // Use direct connection to avoid queueing the signal forwarding (BUG:447985)
    connect(doc->undoStack(), SIGNAL(indexChanged(int)), this, SIGNAL(historyStateChanged()), Qt::DirectConnection);
}
 
const KUndo2Command* KisDocumentUndoStore::presentCommand()
{
    return m_doc->undoStack()->command(m_doc->undoStack()->index() - 1);
}
 
void KisDocumentUndoStore::undoLastCommand()
{
    m_doc->undoStack()->undo();
}
 
void KisDocumentUndoStore::addCommand(KUndo2Command *command)
{
    if(!command) return;
    m_doc->undoStack()->push(command);
}
 
void KisDocumentUndoStore::beginMacro(const KUndo2MagicString& macroName)
{
    m_doc->undoStack()->beginMacro(macroName);
}
 
void KisDocumentUndoStore::endMacro()
{
    m_doc->undoStack()->endMacro();
}
 
void KisDocumentUndoStore::purgeRedoState()
{
    m_doc->undoStack()->purgeRedoState();
}