121 lines
4.5 KiB
C++
121 lines
4.5 KiB
C++
// Copyright (c) Microsoft Corporation.
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// Licensed under the MIT license.
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#include "pch.h"
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#include "ApplicationState.h"
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#include "CascadiaSettings.h"
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#include "ApplicationState.g.cpp"
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#include "WindowLayout.g.cpp"
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#include "ActionAndArgs.h"
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#include "JsonUtils.h"
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#include "FileUtils.h"
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static constexpr std::wstring_view stateFileName{ L"state.json" };
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static constexpr std::string_view TabLayoutKey{ "tabLayout" };
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static constexpr std::string_view InitialPositionKey{ "initialPosition" };
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static constexpr std::string_view InitialSizeKey{ "initialSize" };
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namespace Microsoft::Terminal::Settings::Model::JsonUtils
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{
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using namespace winrt::Microsoft::Terminal::Settings::Model;
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template<>
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struct ConversionTrait<WindowLayout>
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{
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WindowLayout FromJson(const Json::Value& json)
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{
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auto layout = winrt::make_self<implementation::WindowLayout>();
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GetValueForKey(json, TabLayoutKey, layout->_TabLayout);
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GetValueForKey(json, InitialPositionKey, layout->_InitialPosition);
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GetValueForKey(json, InitialSizeKey, layout->_InitialSize);
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return *layout;
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}
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bool CanConvert(const Json::Value& json)
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{
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return json.isObject();
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}
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Json::Value ToJson(const WindowLayout& val)
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{
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Json::Value json{ Json::objectValue };
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SetValueForKey(json, TabLayoutKey, val.TabLayout());
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SetValueForKey(json, InitialPositionKey, val.InitialPosition());
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SetValueForKey(json, InitialSizeKey, val.InitialSize());
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return json;
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}
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std::string TypeDescription() const
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{
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return "WindowLayout";
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}
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};
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}
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using namespace ::Microsoft::Terminal::Settings::Model;
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namespace winrt::Microsoft::Terminal::Settings::Model::implementation
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{
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ApplicationState::ApplicationState(std::filesystem::path path) noexcept :
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BaseApplicationState{ path } {}
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// Returns the application-global ApplicationState object.
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Microsoft::Terminal::Settings::Model::ApplicationState ApplicationState::SharedInstance()
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{
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static auto state = winrt::make_self<ApplicationState>(GetBaseSettingsPath() / stateFileName);
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state->Reload();
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return *state;
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}
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void ApplicationState::FromJson(const Json::Value& root) const noexcept
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{
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auto state = _state.lock();
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// GetValueForKey() comes in two variants:
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// * take a std::optional<T> reference
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// * return std::optional<T> by value
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// At the time of writing the former version skips missing fields in the json,
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// but we want to explicitly clear state fields that were removed from state.json.
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#define MTSM_APPLICATION_STATE_GEN(type, name, key, ...) state->name = JsonUtils::GetValueForKey<std::optional<type>>(root, key);
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MTSM_APPLICATION_STATE_FIELDS(MTSM_APPLICATION_STATE_GEN)
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#undef MTSM_APPLICATION_STATE_GEN
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}
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Json::Value ApplicationState::ToJson() const noexcept
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{
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Json::Value root{ Json::objectValue };
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{
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auto state = _state.lock_shared();
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#define MTSM_APPLICATION_STATE_GEN(type, name, key, ...) JsonUtils::SetValueForKey(root, key, state->name);
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MTSM_APPLICATION_STATE_FIELDS(MTSM_APPLICATION_STATE_GEN)
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#undef MTSM_APPLICATION_STATE_GEN
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}
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return root;
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}
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// Generate all getter/setters
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#define MTSM_APPLICATION_STATE_GEN(type, name, key, ...) \
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type ApplicationState::name() const noexcept \
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{ \
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const auto state = _state.lock_shared(); \
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const auto& value = state->name; \
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return value ? *value : type{ __VA_ARGS__ }; \
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} \
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\
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void ApplicationState::name(const type& value) noexcept \
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{ \
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{ \
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auto state = _state.lock(); \
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state->name.emplace(value); \
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} \
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\
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_throttler(); \
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}
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MTSM_APPLICATION_STATE_FIELDS(MTSM_APPLICATION_STATE_GEN)
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#undef MTSM_APPLICATION_STATE_GEN
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}
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