1 /*
2 * changeselectedarea.cpp
3 * Copyright 2009-2010, Thorbjørn Lindeijer <thorbjorn@lindeijer.nl>
4 *
5 * This file is part of Tiled.
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the Free
9 * Software Foundation; either version 2 of the License, or (at your option)
10 * any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * more details.
16 *
17 * You should have received a copy of the GNU General Public License along with
18 * this program. If not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "changeselectedarea.h"
22
23 #include "mapdocument.h"
24
25 #include <QCoreApplication>
26
27 using namespace Tiled;
28
ChangeSelectedArea(MapDocument * mapDocument,const QRegion & newSelection,QUndoCommand * parent)29 ChangeSelectedArea::ChangeSelectedArea(MapDocument *mapDocument,
30 const QRegion &newSelection,
31 QUndoCommand *parent)
32 : QUndoCommand(QCoreApplication::translate("Undo Commands",
33 "Change Selection"),
34 parent)
35 , mMapDocument(mapDocument)
36 , mSelection(newSelection)
37 {
38 }
39
undo()40 void ChangeSelectedArea::undo()
41 {
42 swapSelection();
43 }
44
redo()45 void ChangeSelectedArea::redo()
46 {
47 swapSelection();
48 }
49
swapSelection()50 void ChangeSelectedArea::swapSelection()
51 {
52 const QRegion oldSelection = mMapDocument->selectedArea();
53 mMapDocument->setSelectedArea(mSelection);
54 mSelection = oldSelection;
55 }
56