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Diffstat (limited to 'src/common/settings_setting.h')
| -rw-r--r-- | src/common/settings_setting.h | 394 |
1 files changed, 394 insertions, 0 deletions
diff --git a/src/common/settings_setting.h b/src/common/settings_setting.h new file mode 100644 index 000000000..a8beb06e9 --- /dev/null +++ b/src/common/settings_setting.h | |||
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| 1 | // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project | ||
| 2 | // SPDX-License-Identifier: GPL-2.0-or-later | ||
| 3 | |||
| 4 | #pragma once | ||
| 5 | |||
| 6 | #include <limits> | ||
| 7 | #include <map> | ||
| 8 | #include <optional> | ||
| 9 | #include <stdexcept> | ||
| 10 | #include <string> | ||
| 11 | #include <typeindex> | ||
| 12 | #include <typeinfo> | ||
| 13 | #include "common/common_types.h" | ||
| 14 | #include "common/settings_common.h" | ||
| 15 | #include "common/settings_enums.h" | ||
| 16 | |||
| 17 | namespace Settings { | ||
| 18 | |||
| 19 | /** The Setting class is a simple resource manager. It defines a label and default value | ||
| 20 | * alongside the actual value of the setting for simpler and less-error prone use with frontend | ||
| 21 | * configurations. Specifying a default value and label is required. A minimum and maximum range | ||
| 22 | * can be specified for sanitization. | ||
| 23 | */ | ||
| 24 | template <typename Type, bool ranged = false> | ||
| 25 | class Setting : public BasicSetting { | ||
| 26 | protected: | ||
| 27 | Setting() = default; | ||
| 28 | |||
| 29 | public: | ||
| 30 | /** | ||
| 31 | * Sets a default value, label, and setting value. | ||
| 32 | * | ||
| 33 | * @param linkage Setting registry | ||
| 34 | * @param default_val Initial value of the setting, and default value of the setting | ||
| 35 | * @param name Label for the setting | ||
| 36 | * @param category_ Category of the setting AKA INI group | ||
| 37 | * @param specialization_ Suggestion for how frontend implementations represent this in a config | ||
| 38 | * @param save_ Suggests that this should or should not be saved to a frontend config file | ||
| 39 | * @param runtime_modifiable_ Suggests whether this is modifiable while a guest is loaded | ||
| 40 | * @param other_setting_ A second Setting to associate to this one in metadata | ||
| 41 | */ | ||
| 42 | explicit Setting(Linkage& linkage, const Type& default_val, const std::string& name, | ||
| 43 | Category category_, u32 specialization_ = Specialization::Default, | ||
| 44 | bool save_ = true, bool runtime_modifiable_ = false, | ||
| 45 | BasicSetting* other_setting_ = nullptr) | ||
| 46 | requires(!ranged) | ||
| 47 | : BasicSetting(linkage, name, category_, save_, runtime_modifiable_, specialization_, | ||
| 48 | other_setting_), | ||
| 49 | value{default_val}, default_value{default_val} {} | ||
| 50 | virtual ~Setting() = default; | ||
| 51 | |||
| 52 | /** | ||
| 53 | * Sets a default value, minimum value, maximum value, and label. | ||
| 54 | * | ||
| 55 | * @param linkage Setting registry | ||
| 56 | * @param default_val Initial value of the setting, and default value of the setting | ||
| 57 | * @param min_val Sets the minimum allowed value of the setting | ||
| 58 | * @param max_val Sets the maximum allowed value of the setting | ||
| 59 | * @param name Label for the setting | ||
| 60 | * @param category_ Category of the setting AKA INI group | ||
| 61 | * @param specialization_ Suggestion for how frontend implementations represent this in a config | ||
| 62 | * @param save_ Suggests that this should or should not be saved to a frontend config file | ||
| 63 | * @param runtime_modifiable_ Suggests whether this is modifiable while a guest is loaded | ||
| 64 | * @param other_setting_ A second Setting to associate to this one in metadata | ||
| 65 | */ | ||
| 66 | explicit Setting(Linkage& linkage, const Type& default_val, const Type& min_val, | ||
| 67 | const Type& max_val, const std::string& name, Category category_, | ||
| 68 | u32 specialization_ = Specialization::Default, bool save_ = true, | ||
| 69 | bool runtime_modifiable_ = false, BasicSetting* other_setting_ = nullptr) | ||
| 70 | requires(ranged) | ||
| 71 | : BasicSetting(linkage, name, category_, save_, runtime_modifiable_, specialization_, | ||
| 72 | other_setting_), | ||
| 73 | value{default_val}, default_value{default_val}, maximum{max_val}, minimum{min_val} {} | ||
| 74 | |||
| 75 | /** | ||
| 76 | * Returns a reference to the setting's value. | ||
| 77 | * | ||
| 78 | * @returns A reference to the setting | ||
| 79 | */ | ||
| 80 | [[nodiscard]] virtual const Type& GetValue() const { | ||
| 81 | return value; | ||
| 82 | } | ||
| 83 | |||
| 84 | /** | ||
| 85 | * Sets the setting to the given value. | ||
| 86 | * | ||
| 87 | * @param val The desired value | ||
| 88 | */ | ||
| 89 | virtual void SetValue(const Type& val) { | ||
| 90 | Type temp{ranged ? std::clamp(val, minimum, maximum) : val}; | ||
| 91 | std::swap(value, temp); | ||
| 92 | } | ||
| 93 | |||
| 94 | /** | ||
| 95 | * Returns the value that this setting was created with. | ||
| 96 | * | ||
| 97 | * @returns A reference to the default value | ||
| 98 | */ | ||
| 99 | [[nodiscard]] const Type& GetDefault() const { | ||
| 100 | return default_value; | ||
| 101 | } | ||
| 102 | |||
| 103 | [[nodiscard]] constexpr bool IsEnum() const override { | ||
| 104 | return std::is_enum_v<Type>; | ||
| 105 | } | ||
| 106 | |||
| 107 | protected: | ||
| 108 | [[nodiscard]] std::string ToString(const Type& value_) const { | ||
| 109 | if constexpr (std::is_same_v<Type, std::string>) { | ||
| 110 | return value_; | ||
| 111 | } else if constexpr (std::is_same_v<Type, std::optional<u32>>) { | ||
| 112 | return value_.has_value() ? std::to_string(*value_) : "none"; | ||
| 113 | } else if constexpr (std::is_same_v<Type, bool>) { | ||
| 114 | return value_ ? "true" : "false"; | ||
| 115 | } else if constexpr (std::is_same_v<Type, AudioEngine>) { | ||
| 116 | // Compatibility with old AudioEngine setting being a string | ||
| 117 | return CanonicalizeEnum(value_); | ||
| 118 | } else { | ||
| 119 | return std::to_string(static_cast<u64>(value_)); | ||
| 120 | } | ||
| 121 | } | ||
| 122 | |||
| 123 | public: | ||
| 124 | /** | ||
| 125 | * Converts the value of the setting to a std::string. Respects the global state if the setting | ||
| 126 | * has one. | ||
| 127 | * | ||
| 128 | * @returns The current setting as a std::string | ||
| 129 | */ | ||
| 130 | [[nodiscard]] std::string ToString() const override { | ||
| 131 | return ToString(this->GetValue()); | ||
| 132 | } | ||
| 133 | |||
| 134 | /** | ||
| 135 | * Returns the default value of the setting as a std::string. | ||
| 136 | * | ||
| 137 | * @returns The default value as a string. | ||
| 138 | */ | ||
| 139 | [[nodiscard]] std::string DefaultToString() const override { | ||
| 140 | return ToString(default_value); | ||
| 141 | } | ||
| 142 | |||
| 143 | /** | ||
| 144 | * Assigns a value to the setting. | ||
| 145 | * | ||
| 146 | * @param val The desired setting value | ||
| 147 | * | ||
| 148 | * @returns A reference to the setting | ||
| 149 | */ | ||
| 150 | virtual const Type& operator=(const Type& val) { | ||
| 151 | Type temp{ranged ? std::clamp(val, minimum, maximum) : val}; | ||
| 152 | std::swap(value, temp); | ||
| 153 | return value; | ||
| 154 | } | ||
| 155 | |||
| 156 | /** | ||
| 157 | * Returns a reference to the setting. | ||
| 158 | * | ||
| 159 | * @returns A reference to the setting | ||
| 160 | */ | ||
| 161 | explicit virtual operator const Type&() const { | ||
| 162 | return value; | ||
| 163 | } | ||
| 164 | |||
| 165 | /** | ||
| 166 | * Converts the given value to the Setting's type of value. Uses SetValue to enter the setting, | ||
| 167 | * thus respecting its constraints. | ||
| 168 | * | ||
| 169 | * @param input The desired value | ||
| 170 | */ | ||
| 171 | void LoadString(const std::string& input) override final { | ||
| 172 | if (input.empty()) { | ||
| 173 | this->SetValue(this->GetDefault()); | ||
| 174 | return; | ||
| 175 | } | ||
| 176 | try { | ||
| 177 | if constexpr (std::is_same_v<Type, std::string>) { | ||
| 178 | this->SetValue(input); | ||
| 179 | } else if constexpr (std::is_same_v<Type, std::optional<u32>>) { | ||
| 180 | this->SetValue(static_cast<u32>(std::stoul(input))); | ||
| 181 | } else if constexpr (std::is_same_v<Type, bool>) { | ||
| 182 | this->SetValue(input == "true"); | ||
| 183 | } else if constexpr (std::is_same_v<Type, AudioEngine>) { | ||
| 184 | this->SetValue(ToEnum<Type>(input)); | ||
| 185 | } else { | ||
| 186 | this->SetValue(static_cast<Type>(std::stoll(input))); | ||
| 187 | } | ||
| 188 | } catch (std::invalid_argument&) { | ||
| 189 | this->SetValue(this->GetDefault()); | ||
| 190 | } | ||
| 191 | } | ||
| 192 | |||
| 193 | [[nodiscard]] std::string constexpr Canonicalize() const override final { | ||
| 194 | if constexpr (std::is_enum_v<Type>) { | ||
| 195 | return CanonicalizeEnum(this->GetValue()); | ||
| 196 | } else { | ||
| 197 | return ToString(this->GetValue()); | ||
| 198 | } | ||
| 199 | } | ||
| 200 | |||
| 201 | /** | ||
| 202 | * Gives us another way to identify the setting without having to go through a string. | ||
| 203 | * | ||
| 204 | * @returns the type_index of the setting's type | ||
| 205 | */ | ||
| 206 | [[nodiscard]] std::type_index TypeId() const override final { | ||
| 207 | return std::type_index(typeid(Type)); | ||
| 208 | } | ||
| 209 | |||
| 210 | [[nodiscard]] constexpr u32 EnumIndex() const override final { | ||
| 211 | if constexpr (std::is_enum_v<Type>) { | ||
| 212 | return EnumMetadata<Type>::Index(); | ||
| 213 | } else { | ||
| 214 | return std::numeric_limits<u32>::max(); | ||
| 215 | } | ||
| 216 | } | ||
| 217 | |||
| 218 | [[nodiscard]] std::string MinVal() const override final { | ||
| 219 | return this->ToString(minimum); | ||
| 220 | } | ||
| 221 | [[nodiscard]] std::string MaxVal() const override final { | ||
| 222 | return this->ToString(maximum); | ||
| 223 | } | ||
| 224 | |||
| 225 | [[nodiscard]] constexpr bool Ranged() const override { | ||
| 226 | return ranged; | ||
| 227 | } | ||
| 228 | |||
| 229 | protected: | ||
| 230 | Type value{}; ///< The setting | ||
| 231 | const Type default_value{}; ///< The default value | ||
| 232 | const Type maximum{}; ///< Maximum allowed value of the setting | ||
| 233 | const Type minimum{}; ///< Minimum allowed value of the setting | ||
| 234 | }; | ||
| 235 | |||
| 236 | /** | ||
| 237 | * The SwitchableSetting class is a slightly more complex version of the Setting class. This adds a | ||
| 238 | * custom setting to switch to when a guest application specifically requires it. The effect is that | ||
| 239 | * other components of the emulator can access the setting's intended value without any need for the | ||
| 240 | * component to ask whether the custom or global setting is needed at the moment. | ||
| 241 | * | ||
| 242 | * By default, the global setting is used. | ||
| 243 | */ | ||
| 244 | template <typename Type, bool ranged = false> | ||
| 245 | class SwitchableSetting : virtual public Setting<Type, ranged> { | ||
| 246 | public: | ||
| 247 | /** | ||
| 248 | * Sets a default value, label, and setting value. | ||
| 249 | * | ||
| 250 | * @param linkage Setting registry | ||
| 251 | * @param default_val Initial value of the setting, and default value of the setting | ||
| 252 | * @param name Label for the setting | ||
| 253 | * @param category_ Category of the setting AKA INI group | ||
| 254 | * @param specialization_ Suggestion for how frontend implementations represent this in a config | ||
| 255 | * @param save_ Suggests that this should or should not be saved to a frontend config file | ||
| 256 | * @param runtime_modifiable_ Suggests whether this is modifiable while a guest is loaded | ||
| 257 | * @param other_setting_ A second Setting to associate to this one in metadata | ||
| 258 | */ | ||
| 259 | explicit SwitchableSetting(Linkage& linkage, const Type& default_val, const std::string& name, | ||
| 260 | Category category_, u32 specialization_ = Specialization::Default, | ||
| 261 | bool save_ = true, bool runtime_modifiable_ = false, | ||
| 262 | BasicSetting* other_setting_ = nullptr) | ||
| 263 | requires(!ranged) | ||
| 264 | : Setting<Type, false>{ | ||
| 265 | linkage, default_val, name, category_, specialization_, | ||
| 266 | save_, runtime_modifiable_, other_setting_} { | ||
| 267 | linkage.restore_functions.emplace_back([this]() { this->SetGlobal(true); }); | ||
| 268 | } | ||
| 269 | virtual ~SwitchableSetting() = default; | ||
| 270 | |||
| 271 | /** | ||
| 272 | * Sets a default value, minimum value, maximum value, and label. | ||
| 273 | * | ||
| 274 | * @param linkage Setting registry | ||
| 275 | * @param default_val Initial value of the setting, and default value of the setting | ||
| 276 | * @param min_val Sets the minimum allowed value of the setting | ||
| 277 | * @param max_val Sets the maximum allowed value of the setting | ||
| 278 | * @param name Label for the setting | ||
| 279 | * @param category_ Category of the setting AKA INI group | ||
| 280 | * @param specialization_ Suggestion for how frontend implementations represent this in a config | ||
| 281 | * @param save_ Suggests that this should or should not be saved to a frontend config file | ||
| 282 | * @param runtime_modifiable_ Suggests whether this is modifiable while a guest is loaded | ||
| 283 | * @param other_setting_ A second Setting to associate to this one in metadata | ||
| 284 | */ | ||
| 285 | explicit SwitchableSetting(Linkage& linkage, const Type& default_val, const Type& min_val, | ||
| 286 | const Type& max_val, const std::string& name, Category category_, | ||
| 287 | u32 specialization_ = Specialization::Default, bool save_ = true, | ||
| 288 | bool runtime_modifiable_ = false, | ||
| 289 | BasicSetting* other_setting_ = nullptr) | ||
| 290 | requires(ranged) | ||
| 291 | : Setting<Type, true>{linkage, default_val, min_val, | ||
| 292 | max_val, name, category_, | ||
| 293 | specialization_, save_, runtime_modifiable_, | ||
| 294 | other_setting_} { | ||
| 295 | linkage.restore_functions.emplace_back([this]() { this->SetGlobal(true); }); | ||
| 296 | } | ||
| 297 | |||
| 298 | /** | ||
| 299 | * Tells this setting to represent either the global or custom setting when other member | ||
| 300 | * functions are used. | ||
| 301 | * | ||
| 302 | * @param to_global Whether to use the global or custom setting. | ||
| 303 | */ | ||
| 304 | void SetGlobal(bool to_global) override final { | ||
| 305 | use_global = to_global; | ||
| 306 | } | ||
| 307 | |||
| 308 | /** | ||
| 309 | * Returns whether this setting is using the global setting or not. | ||
| 310 | * | ||
| 311 | * @returns The global state | ||
| 312 | */ | ||
| 313 | [[nodiscard]] bool UsingGlobal() const override final { | ||
| 314 | return use_global; | ||
| 315 | } | ||
| 316 | |||
| 317 | /** | ||
| 318 | * Returns either the global or custom setting depending on the values of this setting's global | ||
| 319 | * state or if the global value was specifically requested. | ||
| 320 | * | ||
| 321 | * @param need_global Request global value regardless of setting's state; defaults to false | ||
| 322 | * | ||
| 323 | * @returns The required value of the setting | ||
| 324 | */ | ||
| 325 | [[nodiscard]] const Type& GetValue() const override final { | ||
| 326 | if (use_global) { | ||
| 327 | return this->value; | ||
| 328 | } | ||
| 329 | return custom; | ||
| 330 | } | ||
| 331 | [[nodiscard]] const Type& GetValue(bool need_global) const { | ||
| 332 | if (use_global || need_global) { | ||
| 333 | return this->value; | ||
| 334 | } | ||
| 335 | return custom; | ||
| 336 | } | ||
| 337 | |||
| 338 | /** | ||
| 339 | * Sets the current setting value depending on the global state. | ||
| 340 | * | ||
| 341 | * @param val The new value | ||
| 342 | */ | ||
| 343 | void SetValue(const Type& val) override final { | ||
| 344 | Type temp{ranged ? std::clamp(val, this->minimum, this->maximum) : val}; | ||
| 345 | if (use_global) { | ||
| 346 | std::swap(this->value, temp); | ||
| 347 | } else { | ||
| 348 | std::swap(custom, temp); | ||
| 349 | } | ||
| 350 | } | ||
| 351 | |||
| 352 | [[nodiscard]] constexpr bool Switchable() const override final { | ||
| 353 | return true; | ||
| 354 | } | ||
| 355 | |||
| 356 | [[nodiscard]] std::string ToStringGlobal() const override final { | ||
| 357 | return this->ToString(this->value); | ||
| 358 | } | ||
| 359 | |||
| 360 | /** | ||
| 361 | * Assigns the current setting value depending on the global state. | ||
| 362 | * | ||
| 363 | * @param val The new value | ||
| 364 | * | ||
| 365 | * @returns A reference to the current setting value | ||
| 366 | */ | ||
| 367 | const Type& operator=(const Type& val) override final { | ||
| 368 | Type temp{ranged ? std::clamp(val, this->minimum, this->maximum) : val}; | ||
| 369 | if (use_global) { | ||
| 370 | std::swap(this->value, temp); | ||
| 371 | return this->value; | ||
| 372 | } | ||
| 373 | std::swap(custom, temp); | ||
| 374 | return custom; | ||
| 375 | } | ||
| 376 | |||
| 377 | /** | ||
| 378 | * Returns the current setting value depending on the global state. | ||
| 379 | * | ||
| 380 | * @returns A reference to the current setting value | ||
| 381 | */ | ||
| 382 | explicit operator const Type&() const override final { | ||
| 383 | if (use_global) { | ||
| 384 | return this->value; | ||
| 385 | } | ||
| 386 | return custom; | ||
| 387 | } | ||
| 388 | |||
| 389 | protected: | ||
| 390 | bool use_global{true}; ///< The setting's global state | ||
| 391 | Type custom{}; ///< The custom value of the setting | ||
| 392 | }; | ||
| 393 | |||
| 394 | } // namespace Settings | ||