1/****************************************************************************
2**
3** Copyright (C) 2017 The Qt Company Ltd.
4** Contact: http://www.qt.io/licensing/
5**
6** This file is part of the Qt Labs Platform module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL3$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see http://www.qt.io/terms-conditions. For further
15** information use the contact form at http://www.qt.io/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 3 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPLv3 included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or later as published by the Free
28** Software Foundation and appearing in the file LICENSE.GPL included in
29** the packaging of this file. Please review the following information to
30** ensure the GNU General Public License version 2.0 requirements will be
31** met: http://www.gnu.org/licenses/gpl-2.0.html.
32**
33** $QT_END_LICENSE$
34**
35****************************************************************************/
36
37#include "qquickplatformiconloader_p.h"
38
39#include <QtCore/qobject.h>
40#include <QtCore/qmetaobject.h>
41#include <QtQml/qqml.h>
42
43QT_BEGIN_NAMESPACE
44
45QQuickPlatformIconLoader::QQuickPlatformIconLoader(int slot, QObject *parent)
46 : m_parent(parent),
47 m_slot(slot),
48 m_enabled(false)
49{
50 Q_ASSERT(slot != -1 && parent);
51}
52
53bool QQuickPlatformIconLoader::isEnabled() const
54{
55 return m_enabled;
56}
57
58void QQuickPlatformIconLoader::setEnabled(bool enabled)
59{
60 m_enabled = enabled;
61 if (m_enabled)
62 loadIcon();
63}
64
65QIcon QQuickPlatformIconLoader::toQIcon() const
66{
67 QIcon fallback = QPixmap::fromImage(image: image());
68 QIcon icon = QIcon::fromTheme(name: m_icon.name(), fallback);
69 icon.setIsMask(m_icon.isMask());
70 return icon;
71}
72
73QQuickPlatformIcon QQuickPlatformIconLoader::icon() const
74{
75 return m_icon;
76}
77
78void QQuickPlatformIconLoader::setIcon(const QQuickPlatformIcon& icon)
79{
80 m_icon = icon;
81 if (m_enabled)
82 loadIcon();
83}
84
85void QQuickPlatformIconLoader::loadIcon()
86{
87 if (m_icon.source().isEmpty()) {
88 clear(m_parent);
89 } else {
90 load(qmlEngine(m_parent), m_icon.source());
91 if (m_slot != -1 && isLoading()) {
92 connectFinished(m_parent, m_slot);
93 m_slot = -1;
94 }
95 }
96
97 if (!isLoading())
98 m_parent->metaObject()->method(index: m_slot).invoke(object: m_parent);
99}
100
101QT_END_NAMESPACE
102

source code of qtquickcontrols2/src/imports/platform/qquickplatformiconloader.cpp