46 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			46 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* Copyright 2013-2015 MultiMC Contributors
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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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| 
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| #pragma once
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| 
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| #include <QObject>
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| #include <memory>
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| 
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| #include "Setting.h"
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| 
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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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| 
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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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| 
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| private:
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| 	bool isOverriding() const;
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| 
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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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