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48 lines
1005 B
48 lines
1005 B
1 year ago
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/*
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* Copyright 2023 jacqueline <me@jacqueline.id.au>
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*
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* SPDX-License-Identifier: GPL-3.0-only
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*/
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#pragma once
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#include <memory>
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#include <string>
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#include "lua.hpp"
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#include "lvgl.h"
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#include "service_locator.hpp"
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namespace lua {
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using LuaValue = std::variant<std::monostate, int, float, bool, std::string>;
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class Property {
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public:
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Property() : Property(std::monostate{}) {}
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Property(const LuaValue&);
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Property(const LuaValue&, std::function<bool(const LuaValue&)>);
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auto IsTwoWay() -> bool { return cb_.has_value(); }
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auto PushValue(lua_State& s) -> int;
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auto PopValue(lua_State& s) -> bool;
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auto Update(const LuaValue& new_val) -> void;
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auto AddLuaBinding(lua_State*, int ref) -> void;
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private:
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LuaValue value_;
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std::optional<std::function<bool(const LuaValue&)>> cb_;
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std::vector<std::pair<lua_State*, int>> bindings_;
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};
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class PropertyBindings {
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public:
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PropertyBindings(lua_State&);
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auto Register(lua_State*, Property*) -> void;
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};
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} // namespace lua
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