blob: 179fa3bb91069335166462e428be8ce06c27a659 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/* Copyright 2013 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <QObject>
#include <QVariant>
#include <QStringList>
#include <memory>
#include "libsettings_config.h"
class SettingsObject;
/*!
*
*/
class LIBSETTINGS_EXPORT Setting : public QObject
{
Q_OBJECT
public:
/*!
* \brief Constructs a new Setting object with the given parent.
* \param parent The Setting's parent object.
*/
explicit Setting(QStringList synonyms, QVariant defVal = QVariant());
/*!
* \brief Constructs a new Setting object with the given parent.
* \param parent The Setting's parent object.
*/
explicit Setting(QString id, QVariant defVal = QVariant());
/*!
* \brief Gets this setting's ID.
* This is used to refer to the setting within the application.
* \warning Changing the ID while the setting is registered with a SettingsObject results in
* undefined behavior.
* \return The ID of the setting.
*/
virtual QString id() const
{
return m_synonyms.first();
}
/*!
* \brief Gets this setting's config file key.
* This is used to store the setting's value in the config file. It is usually
* the same as the setting's ID, but it can be different.
* \return The setting's config file key.
*/
virtual QStringList configKeys() const
{
return m_synonyms;
}
/*!
* \brief Gets this setting's value as a QVariant.
* This is done by calling the SettingsObject's retrieveValue() function.
* If this Setting doesn't have a SettingsObject, this returns an invalid QVariant.
* \return QVariant containing this setting's value.
* \sa value()
*/
virtual QVariant get() const;
/*!
* \brief Gets this setting's actual value (I.E. not as a QVariant).
* This function is just shorthand for get().value<T>()
* \return The setting's actual value.
*/
template <typename T> inline T value() const
{
return get().value<T>();
}
/*!
* \brief Gets this setting's default value.
* \return The default value of this setting.
*/
virtual QVariant defValue() const;
signals:
/*!
* \brief Signal emitted when this Setting object's value changes.
* \param setting A reference to the Setting that changed.
* \param value This Setting object's new value.
*/
void settingChanged(const Setting &setting, QVariant value);
/*!
* \brief Signal emitted when this Setting object's value resets to default.
* \param setting A reference to the Setting that changed.
*/
void settingReset(const Setting &setting);
public
slots:
/*!
* \brief Changes the setting's value.
* This is done by emitting the settingChanged() signal which will then be
* handled by the SettingsObject object and cause the setting to change.
* \param value The new value.
*/
virtual void set(QVariant value);
/*!
* \brief Reset the setting to default
* This is done by emitting the settingReset() signal which will then be
* handled by the SettingsObject object and cause the setting to change.
*/
virtual void reset();
protected:
friend class SettingsObject;
SettingsObject * m_storage;
QStringList m_synonyms;
QVariant m_defVal;
};
|
