1 /*
2 * Copyright (c) 2018 Dmitry Kazakov <dimula73@gmail.com>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17 */
18
19 #include "KisReselectActiveSelectionCommand.h"
20
21 #include "kis_image.h"
22 #include "kis_node.h"
23 #include "kis_layer.h"
24 #include "kis_selection_mask.h"
25 #include <KoProperties.h>
26
27
KisReselectActiveSelectionCommand(KisNodeSP activeNode,KisImageWSP image,KUndo2Command * parent)28 KisReselectActiveSelectionCommand::KisReselectActiveSelectionCommand(KisNodeSP activeNode, KisImageWSP image, KUndo2Command *parent)
29 : KisReselectGlobalSelectionCommand(image, parent),
30 m_activeNode(activeNode)
31 {
32 }
33
redo()34 void KisReselectActiveSelectionCommand::redo()
35 {
36 bool shouldReselectFGlobalSelection = true;
37
38 if (m_activeNode) {
39 KisSelectionMaskSP mask = dynamic_cast<KisSelectionMask*>(m_activeNode.data());
40
41 if (!mask) {
42
43 KisLayerSP layer;
44 KisNodeSP node = m_activeNode;
45 while (node && !(layer = dynamic_cast<KisLayer*>(node.data()))) {
46 node = node->parent();
47 }
48
49 if (layer && !layer->selectionMask()) {
50 KoProperties properties;
51 properties.setProperty("active", false);
52 properties.setProperty("visible", true);
53 QList<KisNodeSP> masks = layer->childNodes(QStringList("KisSelectionMask"), properties);
54
55 if (!masks.isEmpty()) {
56 mask = dynamic_cast<KisSelectionMask*>(masks.first().data());
57 }
58 } else if (layer && layer->selectionMask()) {
59 shouldReselectFGlobalSelection = false;
60 }
61 }
62
63 if (mask) {
64 mask->setActive(true);
65 shouldReselectFGlobalSelection = false;
66 m_reselectedMask = mask;
67 }
68 }
69
70 if (shouldReselectFGlobalSelection) {
71 KisReselectGlobalSelectionCommand::redo();
72 }
73 }
74
undo()75 void KisReselectActiveSelectionCommand::undo()
76 {
77 if (m_reselectedMask) {
78 m_reselectedMask->setActive(false);
79 m_reselectedMask.clear();
80 } else {
81 KisReselectGlobalSelectionCommand::undo();
82 }
83 }
84