jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <AK/Badge.h>
28#include <LibGUI/AbstractView.h>
29#include <LibGUI/Model.h>
30#include <LibGUI/ModelSelection.h>
31
32namespace GUI {
33
34void ModelSelection::set(const ModelIndex& index)
35{
36 ASSERT(index.is_valid());
37 if (m_indexes.size() == 1 && m_indexes.contains(index))
38 return;
39 m_indexes.clear();
40 m_indexes.set(index);
41 m_view.notify_selection_changed({});
42}
43
44void ModelSelection::add(const ModelIndex& index)
45{
46 ASSERT(index.is_valid());
47 if (m_indexes.contains(index))
48 return;
49 m_indexes.set(index);
50 m_view.notify_selection_changed({});
51}
52
53void ModelSelection::toggle(const ModelIndex& index)
54{
55 ASSERT(index.is_valid());
56 if (m_indexes.contains(index))
57 m_indexes.remove(index);
58 else
59 m_indexes.set(index);
60 m_view.notify_selection_changed({});
61}
62
63bool ModelSelection::remove(const ModelIndex& index)
64{
65 ASSERT(index.is_valid());
66 if (!m_indexes.contains(index))
67 return false;
68 m_indexes.remove(index);
69 m_view.notify_selection_changed({});
70 return true;
71}
72
73void ModelSelection::clear()
74{
75 if (m_indexes.is_empty())
76 return;
77 m_indexes.clear();
78 m_view.notify_selection_changed({});
79}
80
81}