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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "common/bit_field.h"
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/swap.h"
#include "core/frontend/input.h"
#include "core/hle/service/hid/controllers/controller_base.h"
namespace Service::HID {
class Controller_Touchscreen final : public ControllerBase {
public:
explicit Controller_Touchscreen(Core::System& system);
~Controller_Touchscreen() override;
// Called when the controller is initialized
void OnInit() override;
// When the controller is released
void OnRelease() override;
// When the controller is requesting an update for the shared memory
void OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, std::size_t size) override;
// Called when input devices should be loaded
void OnLoadInputDevices() override;
private:
void updateTouchInputEvent(const std::tuple<float, float, bool>& touch_input, int& finger_id);
static const size_t MAX_FINGERS = 16;
struct Attributes {
union {
u32 raw{};
BitField<0, 1, u32> start_touch;
BitField<1, 1, u32> end_touch;
};
};
static_assert(sizeof(Attributes) == 0x4, "Attributes is an invalid size");
struct TouchState {
u64_le delta_time;
Attributes attribute;
u32_le finger;
u32_le x;
u32_le y;
u32_le diameter_x;
u32_le diameter_y;
u32_le rotation_angle;
};
static_assert(sizeof(TouchState) == 0x28, "Touchstate is an invalid size");
struct TouchScreenEntry {
s64_le sampling_number;
s64_le sampling_number2;
s32_le entry_count;
std::array<TouchState, MAX_FINGERS> states;
};
static_assert(sizeof(TouchScreenEntry) == 0x298, "TouchScreenEntry is an invalid size");
struct TouchScreenSharedMemory {
CommonHeader header;
std::array<TouchScreenEntry, 17> shared_memory_entries{};
INSERT_PADDING_BYTES(0x3c8);
};
static_assert(sizeof(TouchScreenSharedMemory) == 0x3000,
"TouchScreenSharedMemory is an invalid size");
struct Finger {
u64_le last_touch{};
float x{};
float y{};
u32_le id{};
bool pressed{};
Attributes attribute;
};
TouchScreenSharedMemory shared_memory{};
std::unique_ptr<Input::TouchDevice> touch_device;
std::unique_ptr<Input::TouchDevice> touch_btn_device;
int mouse_finger_id{-1};
int keyboar_finger_id{-1};
std::array<Finger, MAX_FINGERS> fingers;
};
} // namespace Service::HID
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