// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include <array>
#include "common/bit_field.h"
#include "common/common_types.h"
#include "common/point.h"
namespace Service::HID {
static constexpr size_t MAX_FINGERS = 16;
static constexpr size_t MAX_POINTS = 4;
// This is nn::hid::GestureType
enum class GestureType : u32 {
Idle, // Nothing touching the screen
Complete, // Set at the end of a touch event
Cancel, // Set when the number of fingers change
Touch, // A finger just touched the screen
Press, // Set if last type is touch and the finger hasn't moved
Tap, // Fast press then release
Pan, // All points moving together across the screen
Swipe, // Fast press movement and release of a single point
Pinch, // All points moving away/closer to the midpoint
Rotate, // All points rotating from the midpoint
};
// This is nn::hid::GestureDirection
enum class GestureDirection : u32 {
None,
Left,
Up,
Right,
Down,
};
// This is nn::hid::GestureAttribute
struct GestureAttribute {
union {
u32 raw{};
BitField<4, 1, u32> is_new_touch;
BitField<8, 1, u32> is_double_tap;
};
};
static_assert(sizeof(GestureAttribute) == 4, "GestureAttribute is an invalid size");
// This is nn::hid::GestureState
struct GestureState {
s64 sampling_number{};
s64 detection_count{};
GestureType type{GestureType::Idle};
GestureDirection direction{GestureDirection::None};
Common::Point<s32> pos{};
Common::Point<s32> delta{};
f32 vel_x{};
f32 vel_y{};
GestureAttribute attributes{};
f32 scale{};
f32 rotation_angle{};
s32 point_count{};
std::array<Common::Point<s32>, 4> points{};
};
static_assert(sizeof(GestureState) == 0x60, "GestureState is an invalid size");
struct GestureProperties {
std::array<Common::Point<s32>, MAX_POINTS> points{};
std::size_t active_points{};
Common::Point<s32> mid_point{};
s64 detection_count{};
u64 delta_time{};
f32 average_distance{};
f32 angle{};
};
} // namespace Service::HID