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/*
* Copyright 2023 jacqueline <me@jacqueline.id.au>
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#pragma once
#include <cstdint>
#include <deque>
#include <memory>
#include <set>
#include "core/lv_group.h"
#include "indev/lv_indev.h"
#include "drivers/gpios.hpp"
#include "drivers/nvs.hpp"
#include "drivers/touchwheel.hpp"
#include "input/device_factory.hpp"
#include "input/feedback_device.hpp"
#include "input/input_device.hpp"
#include "input/input_hook.hpp"
#include "lua/lua_thread.hpp"
#include "lua/property.hpp"
namespace input {
/*
* Implementation of an LVGL input device. This class composes multiple
* IInputDevice and IFeedbackDevice instances together into a single LVGL
* device.
*/
class LvglInputDriver {
public:
LvglInputDriver(drivers::NvsStorage& nvs, DeviceFactory&);
auto wheelMode() -> lua::Property& { return wheel_mode_; }
auto buttonMode() -> lua::Property& { return button_mode_; }
auto lockedMode() -> lua::Property& { return locked_mode_; }
auto hapticsMode() -> lua::Property& { return haptics_mode_; }
auto setGroup(lv_group_t*) -> void;
auto read(lv_indev_data_t* data) -> void;
auto feedback(uint8_t) -> void;
auto lock(bool l) -> void;
auto pushHooks(lua_State* L) -> int;
private:
drivers::NvsStorage& nvs_;
DeviceFactory& factory_;
lua::Property wheel_mode_;
lua::Property button_mode_;
lua::Property locked_mode_;
lua::Property haptics_mode_;
lv_indev_t* device_;
std::vector<std::shared_ptr<IInputDevice>> inputs_;
std::vector<std::shared_ptr<IFeedbackDevice>> feedbacks_;
/*
* Key for identifying which device, trigger, and specific hook are being
* overriden by Lua.
*/
struct OverrideSelector {
std::string device_name;
std::string trigger_name;
std::string hook_name;
friend bool operator<(const OverrideSelector& l,
const OverrideSelector& r) {
return std::tie(l.device_name, l.trigger_name, l.hook_name) <
std::tie(r.device_name, r.trigger_name, r.hook_name);
}
};
class LuaTrigger {
public:
LuaTrigger(LvglInputDriver&, IInputDevice&, TriggerHooks&);
static auto get(lua_State*, int idx) -> LuaTrigger&;
static auto luaGc(lua_State*) -> int;
static auto luaToString(lua_State*) -> int;
static auto luaNewIndex(lua_State*) -> int;
static constexpr struct luaL_Reg kFuncs[] = {{"__gc", luaGc},
{"__tostring", luaToString},
{"__newindex", luaNewIndex},
{NULL, NULL}};
private:
LvglInputDriver* driver_;
std::string device_;
std::string trigger_;
std::map<std::string, std::string> hooks_;
};
struct LuaOverride {
lua_State* L;
int ref;
};
/* Userdata object for tracking the Lua mirror of a TriggerHooks object. */
/* A hook override implemented as a lua callback */
std::map<OverrideSelector, LuaOverride> overrides_;
auto setOverride(lua_State* L, const OverrideSelector&) -> void;
auto applyOverride(const OverrideSelector&, LuaOverride&) -> void;
bool is_locked_;
};
} // namespace input
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