1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the Qt Designer of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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 https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** GNU General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU
19** General Public License version 3 as published by the Free Software
20** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
21** included in the packaging of this file. Please review the following
22** information to ensure the GNU General Public License requirements will
23** be met: https://www.gnu.org/licenses/gpl-3.0.html.
24**
25** $QT_END_LICENSE$
26**
27****************************************************************************/
28
29//
30// W A R N I N G
31// -------------
32//
33// This file is not part of the Qt API. It exists for the convenience
34// of Qt Designer. This header
35// file may change from version to version without notice, or even be removed.
36//
37// We mean it.
38//
39
40#ifndef QDESIGNER_QSETTINGS_H
41#define QDESIGNER_QSETTINGS_H
42
43#include "shared_global_p.h"
44
45#include <QtDesigner/abstractsettings.h>
46
47#include <QtCore/qsettings.h>
48
49QT_BEGIN_NAMESPACE
50
51// Implements QDesignerSettingsInterface by calls to QSettings
52class QDESIGNER_SHARED_EXPORT QDesignerQSettings : public QDesignerSettingsInterface
53{
54public:
55 QDesignerQSettings();
56
57 void beginGroup(const QString &prefix) override;
58 void endGroup() override;
59
60 bool contains(const QString &key) const override;
61 void setValue(const QString &key, const QVariant &value) override;
62 QVariant value(const QString &key, const QVariant &defaultValue = QVariant()) const override;
63 void remove(const QString &key) override;
64
65 // The application name to be used for settings. Allows for including
66 // the Qt version to prevent settings of different Qt versions from
67 // interfering.
68 static QString settingsApplicationName();
69
70private:
71 QSettings m_settings;
72};
73
74QT_END_NAMESPACE
75
76#endif // QDESIGNER_QSETTINGS_H
77

source code of qttools/src/designer/src/lib/shared/qdesigner_qsettings_p.h