132 lines
3.4 KiB
C++
132 lines
3.4 KiB
C++
// Copyright 2017 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#pragma once
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#include <atomic>
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#include <string>
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#include "Common/CommonTypes.h"
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#include "Common/IniFile.h"
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#include "InputCommon/ControllerInterface/Device.h"
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namespace ControllerEmu
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{
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enum class SettingType
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{
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Double,
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Bool,
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};
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struct NumericSettingDetails
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{
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NumericSettingDetails(const char* const _ini_name, const char* const _ui_suffix = nullptr,
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const char* const _ui_description = nullptr,
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const char* const _ui_name = nullptr)
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: ini_name(_ini_name), ui_suffix(_ui_suffix), ui_description(_ui_description),
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ui_name(_ui_name ? _ui_name : _ini_name)
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{
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}
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// The name used in ini files.
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const char* const ini_name;
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// A string applied to the number in the UI (unit of measure).
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const char* const ui_suffix;
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// Detailed description of the setting.
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const char* const ui_description;
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// The name used in the UI (if different from ini file).
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const char* const ui_name;
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};
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class NumericSettingBase
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{
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public:
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NumericSettingBase(const NumericSettingDetails& details);
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virtual ~NumericSettingBase() = default;
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virtual void LoadFromIni(const IniFile::Section& section, const std::string& group_name) = 0;
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virtual void SaveToIni(IniFile::Section& section, const std::string& group_name) const = 0;
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virtual SettingType GetType() const = 0;
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const char* GetUIName() const;
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const char* GetUISuffix() const;
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const char* GetUIDescription() const;
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protected:
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NumericSettingDetails m_details;
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};
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template <typename T>
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class SettingValue;
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template <typename T>
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class NumericSetting : public NumericSettingBase
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{
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public:
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using ValueType = T;
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static_assert(std::is_same<ValueType, double>() || std::is_same<ValueType, bool>(),
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"NumericSetting is only implemented for double and bool.");
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NumericSetting(SettingValue<ValueType>* value, const NumericSettingDetails& details,
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ValueType default_value, ValueType min_value, ValueType max_value)
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: NumericSettingBase(details), m_value(*value), m_default_value(default_value),
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m_min_value(min_value), m_max_value(max_value)
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{
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m_value.SetValue(m_default_value);
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}
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void LoadFromIni(const IniFile::Section& section, const std::string& group_name) override
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{
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ValueType value;
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section.Get(group_name + m_details.ini_name, &value, m_default_value);
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SetValue(value);
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}
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void SaveToIni(IniFile::Section& section, const std::string& group_name) const override
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{
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section.Set(group_name + m_details.ini_name, GetValue(), m_default_value);
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}
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ValueType GetValue() const { return m_value.GetValue(); }
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void SetValue(ValueType value) { m_value.SetValue(value); }
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ValueType GetDefaultValue() const { return m_default_value; }
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ValueType GetMinValue() const { return m_min_value; }
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ValueType GetMaxValue() const { return m_max_value; }
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SettingType GetType() const override;
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private:
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SettingValue<ValueType>& m_value;
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const ValueType m_default_value;
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const ValueType m_min_value;
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const ValueType m_max_value;
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};
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template <typename T>
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class SettingValue
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{
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using ValueType = T;
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friend class NumericSetting<T>;
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public:
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ValueType GetValue() const { return m_value; }
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private:
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void SetValue(ValueType value) { m_value = value; }
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// Values are R/W by both UI and CPU threads.
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std::atomic<ValueType> m_value = {};
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};
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} // namespace ControllerEmu
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