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