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e020b2e8ea
DualShock UDP Client is the only place in the code that assumed OnConfigChanged() is called at least once on startup or it won't load up the setting, so I took care of that
133 lines
3.2 KiB
C++
133 lines
3.2 KiB
C++
// Copyright 2016 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 <functional>
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#include <map>
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#include <memory>
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#include <optional>
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#include <string>
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#include "Common/Config/ConfigInfo.h"
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#include "Common/Config/Enums.h"
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#include "Common/Config/Layer.h"
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namespace Config
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{
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using ConfigChangedCallback = std::function<void()>;
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// Layer management
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void AddLayer(std::unique_ptr<ConfigLayerLoader> loader);
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std::shared_ptr<Layer> GetLayer(LayerType layer);
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void RemoveLayer(LayerType layer);
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void AddConfigChangedCallback(ConfigChangedCallback func);
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void OnConfigChanged();
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// Returns the number of times the config has changed in the current execution of the program
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u64 GetConfigVersion();
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// Explicit load and save of layers
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void Load();
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void Save();
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void Init();
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void Shutdown();
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void ClearCurrentRunLayer();
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const std::string& GetSystemName(System system);
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std::optional<System> GetSystemFromName(const std::string& system);
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const std::string& GetLayerName(LayerType layer);
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LayerType GetActiveLayerForConfig(const Location&);
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std::optional<std::string> GetAsString(const Location&);
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template <typename T>
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T Get(LayerType layer, const Info<T>& info)
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{
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if (layer == LayerType::Meta)
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return Get(info);
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return GetLayer(layer)->Get(info);
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}
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template <typename T>
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T Get(const Info<T>& info)
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{
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CachedValue<T> cached = info.GetCachedValue();
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const u64 config_version = GetConfigVersion();
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if (cached.config_version < config_version)
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{
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cached.value = GetUncached(info);
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cached.config_version = config_version;
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info.SetCachedValue(cached);
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}
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return cached.value;
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}
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template <typename T>
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T GetUncached(const Info<T>& info)
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{
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const std::optional<std::string> str = GetAsString(info.GetLocation());
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if (!str)
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return info.GetDefaultValue();
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return detail::TryParse<T>(*str).value_or(info.GetDefaultValue());
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}
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template <typename T>
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T GetBase(const Info<T>& info)
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{
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return Get(LayerType::Base, info);
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}
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template <typename T>
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LayerType GetActiveLayerForConfig(const Info<T>& info)
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{
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return GetActiveLayerForConfig(info.GetLocation());
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}
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template <typename T>
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void Set(LayerType layer, const Info<T>& info, const std::common_type_t<T>& value)
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{
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if (GetLayer(layer)->Set(info, value))
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OnConfigChanged();
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}
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template <typename T>
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void SetBase(const Info<T>& info, const std::common_type_t<T>& value)
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{
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Set<T>(LayerType::Base, info, value);
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}
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template <typename T>
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void SetCurrent(const Info<T>& info, const std::common_type_t<T>& value)
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{
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Set<T>(LayerType::CurrentRun, info, value);
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}
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template <typename T>
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void SetBaseOrCurrent(const Info<T>& info, const std::common_type_t<T>& value)
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{
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if (GetActiveLayerForConfig(info) == LayerType::Base)
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Set<T>(LayerType::Base, info, value);
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else
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Set<T>(LayerType::CurrentRun, info, value);
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}
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// Used to defer OnConfigChanged until after the completion of many config changes.
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class ConfigChangeCallbackGuard
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{
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public:
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ConfigChangeCallbackGuard();
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~ConfigChangeCallbackGuard();
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ConfigChangeCallbackGuard(const ConfigChangeCallbackGuard&) = delete;
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ConfigChangeCallbackGuard& operator=(const ConfigChangeCallbackGuard&) = delete;
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};
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} // namespace Config
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