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-/* 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:
- /**
- * Construct a Setting
- *
- * Synonyms are all the possible names used in the settings object, in order of preference.
- * First synonym is the ID, which identifies the setting in MultiMC.
- *
- * defVal is the default value that will be returned when the settings object
- * doesn't have any value for this setting.
- */
- explicit Setting(QStringList synonyms, 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 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;
-};