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**
** This file is part of the LibreCAD project, a 2D CAD program
**
** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file gpl-2.0.txt included in the
** packaging of this file.
**
** 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
**
** This copyright notice MUST APPEAR in all copies of the script!
**
**********************************************************************/
#include "rs_undoable.h"
/**
* The undoable thing gets activated if it was undone and
* deactivated otherwise.
*/
void RS_Undoable::changeUndoState() {
toggleFlag(RS2::FlagUndone);
undoStateChanged(isUndone());
}
/**
* Undoes or redoes an undoable.
*/
void RS_Undoable::setUndoState(bool undone) {
if (undone) {
setFlag(RS2::FlagUndone);
} else {
delFlag(RS2::FlagUndone);
}
undoStateChanged(isUndone());
}
/**
* Is this entity in the Undo memory and not active?
*/
bool RS_Undoable::isUndone() const {
return getFlag(RS2::FlagUndone);
}
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