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Diffstat (limited to 'logic/settings/PassthroughSetting.h')
-rw-r--r-- | logic/settings/PassthroughSetting.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/logic/settings/PassthroughSetting.h b/logic/settings/PassthroughSetting.h new file mode 100644 index 00000000..c4dc646c --- /dev/null +++ b/logic/settings/PassthroughSetting.h @@ -0,0 +1,45 @@ +/* Copyright 2013-2015 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 <memory> + +#include "Setting.h" + +/*! + * \brief A setting that 'overrides another.' based on the value of a 'gate' setting + * If 'gate' evaluates to true, the override stores and returns data + * If 'gate' evaluates to false, the original does, + */ +class PassthroughSetting : public Setting +{ + Q_OBJECT +public: + explicit PassthroughSetting(std::shared_ptr<Setting> overriden, std::shared_ptr<Setting> gate); + + virtual QVariant defValue() const; + virtual QVariant get() const; + virtual void set (QVariant value); + virtual void reset(); + +private: + bool isOverriding() const; + +protected: + std::shared_ptr<Setting> m_other; + std::shared_ptr<Setting> m_gate; +}; |