2018-02-11 05:10:01 +05:30
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/* Copyright 2013-2018 MultiMC Contributors
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2015-05-04 04:50:48 +05:30
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <QObject>
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#include <memory>
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#include "Setting.h"
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/*!
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* \brief A setting that 'overrides another.' based on the value of a 'gate' setting
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* If 'gate' evaluates to true, the override stores and returns data
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* If 'gate' evaluates to false, the original does,
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*/
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class PassthroughSetting : public Setting
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{
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Q_OBJECT
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public:
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explicit PassthroughSetting(std::shared_ptr<Setting> overriden, std::shared_ptr<Setting> gate);
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virtual QVariant defValue() const;
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virtual QVariant get() const;
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virtual void set (QVariant value);
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virtual void reset();
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private:
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bool isOverriding() const;
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protected:
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std::shared_ptr<Setting> m_other;
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std::shared_ptr<Setting> m_gate;
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};
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