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Add mutitouch support for touch screens

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This commit is contained in:
german 2021-01-02 22:04:50 -06:00
parent d8df9a16bd
commit 8495e1bd83
10 changed files with 138 additions and 86 deletions
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42
src/core/frontend/emu_window.cpp
View file

@ -21,21 +21,17 @@ public:
std::mutex mutex;
bool touch_pressed = false; ///< True if touchpad area is currently pressed, otherwise false
float touch_x = 0.0f; ///< Touchpad X-position
float touch_y = 0.0f; ///< Touchpad Y-position
Input::TouchStatus status;
private:
class Device : public Input::TouchDevice {
public:
explicit Device(std::weak_ptr<TouchState>&& touch_state) : touch_state(touch_state) {}
Input::TouchStatus GetStatus() const override {
Input::TouchStatus touch_status = {};
Input::TouchStatus touch_status{};
if (auto state = touch_state.lock()) {
std::lock_guard guard{state->mutex};
touch_status[0] =
std::make_tuple(state->touch_x, state->touch_y, state->touch_pressed);
touch_status = state->status;
}
return touch_status;
}
@ -81,36 +77,44 @@ std::tuple<unsigned, unsigned> EmuWindow::ClipToTouchScreen(unsigned new_x, unsi
return std::make_tuple(new_x, new_y);
}
void EmuWindow::TouchPressed(unsigned framebuffer_x, unsigned framebuffer_y) {
if (!IsWithinTouchscreen(framebuffer_layout, framebuffer_x, framebuffer_y))
void EmuWindow::TouchPressed(unsigned framebuffer_x, unsigned framebuffer_y, std::size_t id) {
if (!IsWithinTouchscreen(framebuffer_layout, framebuffer_x, framebuffer_y)) {
return;
}
if (id >= touch_state->status.size()) {
return;
}
std::lock_guard guard{touch_state->mutex};
touch_state->touch_x =
const float x =
static_cast<float>(framebuffer_x - framebuffer_layout.screen.left) /
static_cast<float>(framebuffer_layout.screen.right - framebuffer_layout.screen.left);
touch_state->touch_y =
const float y =
static_cast<float>(framebuffer_y - framebuffer_layout.screen.top) /
static_cast<float>(framebuffer_layout.screen.bottom - framebuffer_layout.screen.top);
touch_state->touch_pressed = true;
touch_state->status[id] = std::make_tuple(x, y, true);
}
void EmuWindow::TouchReleased() {
void EmuWindow::TouchReleased(std::size_t id) {
if (id >= touch_state->status.size()) {
return;
}
std::lock_guard guard{touch_state->mutex};
touch_state->touch_pressed = false;
touch_state->touch_x = 0;
touch_state->touch_y = 0;
touch_state->status[id] = std::make_tuple(0.0f, 0.0f, false);
}
void EmuWindow::TouchMoved(unsigned framebuffer_x, unsigned framebuffer_y) {
if (!touch_state->touch_pressed)
void EmuWindow::TouchMoved(unsigned framebuffer_x, unsigned framebuffer_y, std::size_t id) {
if (id >= touch_state->status.size()) {
return;
}
if (!std::get<2>(touch_state->status[id]))
return;
if (!IsWithinTouchscreen(framebuffer_layout, framebuffer_x, framebuffer_y))
std::tie(framebuffer_x, framebuffer_y) = ClipToTouchScreen(framebuffer_x, framebuffer_y);
TouchPressed(framebuffer_x, framebuffer_y);
TouchPressed(framebuffer_x, framebuffer_y, id);
}
void EmuWindow::UpdateCurrentFramebufferLayout(unsigned width, unsigned height) {

12
src/core/frontend/emu_window.h
View file

@ -117,18 +117,22 @@ public:
* Signal that a touch pressed event has occurred (e.g. mouse click pressed)
* @param framebuffer_x Framebuffer x-coordinate that was pressed
* @param framebuffer_y Framebuffer y-coordinate that was pressed
* @param id Touch event id
*/
void TouchPressed(unsigned framebuffer_x, unsigned framebuffer_y);
void TouchPressed(unsigned framebuffer_x, unsigned framebuffer_y, std::size_t id);
/// Signal that a touch released event has occurred (e.g. mouse click released)
void TouchReleased();
/** Signal that a touch released event has occurred (e.g. mouse click released)
*@param id Touch event id
*/
void TouchReleased(std::size_t id);
/**
* Signal that a touch movement event has occurred (e.g. mouse was moved over the emu window)
* @param framebuffer_x Framebuffer x-coordinate
* @param framebuffer_y Framebuffer y-coordinate
* @param id Touch event id
*/
void TouchMoved(unsigned framebuffer_x, unsigned framebuffer_y);
void TouchMoved(unsigned framebuffer_x, unsigned framebuffer_y, std::size_t id);
/**
* Returns currently active configuration.

30
src/core/hle/service/hid/controllers/touchscreen.cpp
View file

@ -18,7 +18,7 @@ Controller_Touchscreen::Controller_Touchscreen(Core::System& system) : Controlle
Controller_Touchscreen::~Controller_Touchscreen() = default;
void Controller_Touchscreen::OnInit() {
for (size_t id = 0; id < MAX_FINGERS; id++) {
for (std::size_t id = 0; id < MAX_FINGERS; ++id) {
mouse_finger_id[id] = MAX_FINGERS;
keyboard_finger_id[id] = MAX_FINGERS;
udp_finger_id[id] = MAX_FINGERS;
@ -48,23 +48,29 @@ void Controller_Touchscreen::OnUpdate(const Core::Timing::CoreTiming& core_timin
cur_entry.sampling_number2 = cur_entry.sampling_number;
const Input::TouchStatus& mouse_status = touch_mouse_device->GetStatus();
const Input::TouchStatus& keyboard_status = touch_btn_device->GetStatus();
const Input::TouchStatus& udp_status = touch_udp_device->GetStatus();
for (size_t id = 0; id < mouse_status.size(); id++) {
for (std::size_t id = 0; id < mouse_status.size(); ++id) {
mouse_finger_id[id] = UpdateTouchInputEvent(mouse_status[id], mouse_finger_id[id]);
keyboard_finger_id[id] = UpdateTouchInputEvent(keyboard_status[id], keyboard_finger_id[id]);
udp_finger_id[id] = UpdateTouchInputEvent(udp_status[id], udp_finger_id[id]);
}
if (Settings::values.use_touch_from_button) {
const Input::TouchStatus& keyboard_status = touch_btn_device->GetStatus();
for (std::size_t id = 0; id < mouse_status.size(); ++id) {
keyboard_finger_id[id] =
UpdateTouchInputEvent(keyboard_status[id], keyboard_finger_id[id]);
}
}
std::array<Finger, 16> active_fingers;
const auto end_iter = std::copy_if(fingers.begin(), fingers.end(), active_fingers.begin(),
[](const auto& finger) { return finger.pressed; });
const auto active_fingers_count =
static_cast<size_t>(std::distance(active_fingers.begin(), end_iter));
static_cast<std::size_t>(std::distance(active_fingers.begin(), end_iter));
const u64 tick = core_timing.GetCPUTicks();
cur_entry.entry_count = static_cast<s32_le>(active_fingers_count);
for (size_t id = 0; id < MAX_FINGERS; id++) {
for (std::size_t id = 0; id < MAX_FINGERS; ++id) {
auto& touch_entry = cur_entry.states[id];
if (id < active_fingers_count) {
touch_entry.x = static_cast<u16>(active_fingers[id].x * Layout::ScreenUndocked::Width);
@ -73,7 +79,7 @@ void Controller_Touchscreen::OnUpdate(const Core::Timing::CoreTiming& core_timin
touch_entry.diameter_y = Settings::values.touchscreen.diameter_y;
touch_entry.rotation_angle = Settings::values.touchscreen.rotation_angle;
touch_entry.delta_time = tick - active_fingers[id].last_touch;
active_fingers[id].last_touch = tick;
fingers[active_fingers[id].id].last_touch = tick;
touch_entry.finger = active_fingers[id].id;
touch_entry.attribute.raw = active_fingers[id].attribute.raw;
} else {
@ -101,8 +107,8 @@ void Controller_Touchscreen::OnLoadInputDevices() {
}
}
std::optional<size_t> Controller_Touchscreen::GetUnusedFingerID() const {
size_t first_free_id = 0;
std::optional<std::size_t> Controller_Touchscreen::GetUnusedFingerID() const {
std::size_t first_free_id = 0;
while (first_free_id < MAX_FINGERS) {
if (!fingers[first_free_id].pressed) {
return first_free_id;
@ -113,11 +119,11 @@ std::optional<size_t> Controller_Touchscreen::GetUnusedFingerID() const {
return std::nullopt;
}
size_t Controller_Touchscreen::UpdateTouchInputEvent(
const std::tuple<float, float, bool>& touch_input, size_t finger_id) {
std::size_t Controller_Touchscreen::UpdateTouchInputEvent(
const std::tuple<float, float, bool>& touch_input, std::size_t finger_id) {
const auto& [x, y, pressed] = touch_input;
if (pressed) {
Attributes attribute = {};
Attributes attribute{};
if (finger_id == MAX_FINGERS) {
const auto first_free_id = GetUnusedFingerID();
if (!first_free_id) {

14
src/core/hle/service/hid/controllers/touchscreen.h
View file

@ -30,17 +30,17 @@ public:
void OnLoadInputDevices() override;
private:
static constexpr size_t MAX_FINGERS = 16;
static constexpr std::size_t MAX_FINGERS = 16;
// Returns an unused finger id, if there is no fingers available std::nullopt will be returned
std::optional<size_t> GetUnusedFingerID() const;
std::optional<std::size_t> GetUnusedFingerID() const;
// If the touch is new it tries to assing a new finger id, if there is no fingers avaliable no
// changes will be made. Updates the coordinates if the finger id it's already set. If the touch
// ends delays the output by one frame to set the end_touch flag before finally freeing the
// finger id
size_t UpdateTouchInputEvent(const std::tuple<float, float, bool>& touch_input,
size_t finger_id);
std::size_t UpdateTouchInputEvent(const std::tuple<float, float, bool>& touch_input,
std::size_t finger_id);
struct Attributes {
union {
@ -92,9 +92,9 @@ private:
std::unique_ptr<Input::TouchDevice> touch_mouse_device;
std::unique_ptr<Input::TouchDevice> touch_udp_device;
std::unique_ptr<Input::TouchDevice> touch_btn_device;
std::array<size_t, MAX_FINGERS> mouse_finger_id;
std::array<size_t, MAX_FINGERS> keyboard_finger_id;
std::array<size_t, MAX_FINGERS> udp_finger_id;
std::array<std::size_t, MAX_FINGERS> mouse_finger_id;
std::array<std::size_t, MAX_FINGERS> keyboard_finger_id;
std::array<std::size_t, MAX_FINGERS> udp_finger_id;
std::array<Finger, MAX_FINGERS> fingers;
};
} // namespace Service::HID

4
src/input_common/touch_from_button.cpp
View file

@ -26,8 +26,8 @@ public:
}
Input::TouchStatus GetStatus() const override {
Input::TouchStatus touch_status = {};
for (size_t id = 0; id < map.size() && id < touch_status.size(); id++) {
Input::TouchStatus touch_status{};
for (std::size_t id = 0; id < map.size() && id < touch_status.size(); ++id) {
const bool state = std::get<0>(map[id])->GetStatus();
if (state) {
const float x = static_cast<float>(std::get<1>(map[id])) /

19
src/input_common/udp/client.cpp
View file

@ -136,8 +136,8 @@ static void SocketLoop(Socket* socket) {
Client::Client() {
LOG_INFO(Input, "Udp Initialization started");
for (size_t id = 0; id < MAX_TOUCH_FINGERS; id++) {
finger_id[id] = MAX_UDP_CLIENTS * 2;
for (std::size_t id = 0; id < MAX_TOUCH_FINGERS; ++id) {
finger_id[id] = MAX_TOUCH_FINGERS;
}
ReloadSockets();
}
@ -262,7 +262,7 @@ void Client::OnPadData(Response::PadData data, std::size_t client) {
std::lock_guard guard(clients[client].status.update_mutex);
clients[client].status.motion_status = clients[client].motion.GetMotion();
for (size_t id = 0; id < data.touch.size(); id++) {
for (std::size_t id = 0; id < data.touch.size(); ++id) {
UpdateTouchInput(data.touch[id], client, id);
}
@ -314,7 +314,7 @@ void Client::UpdateYuzuSettings(std::size_t client, const Common::Vec3<float>& a
.port = clients[client].port,
.pad_index = clients[client].pad_index,
};
for (size_t i = 0; i < 3; ++i) {
for (std::size_t i = 0; i < 3; ++i) {
if (gyro[i] > 5.0f || gyro[i] < -5.0f) {
pad.motion = static_cast<PadMotion>(i);
pad.motion_value = gyro[i];
@ -328,8 +328,8 @@ void Client::UpdateYuzuSettings(std::size_t client, const Common::Vec3<float>& a
}
}
std::optional<size_t> Client::GetUnusedFingerID() const {
size_t first_free_id = 0;
std::optional<std::size_t> Client::GetUnusedFingerID() const {
std::size_t first_free_id = 0;
while (first_free_id < MAX_TOUCH_FINGERS) {
if (!std::get<2>(touch_status[first_free_id])) {
return first_free_id;
@ -340,7 +340,7 @@ std::optional<size_t> Client::GetUnusedFingerID() const {
return std::nullopt;
}
void Client::UpdateTouchInput(Response::TouchPad& touch_pad, size_t client, size_t id) {
void Client::UpdateTouchInput(Response::TouchPad& touch_pad, std::size_t client, std::size_t id) {
// TODO: Use custom calibration per device
const Common::ParamPackage touch_param(Settings::values.touch_device);
const u16 min_x = static_cast<u16>(touch_param.Get("min_x", 100));
@ -367,10 +367,7 @@ void Client::UpdateTouchInput(Response::TouchPad& touch_pad, size_t client, size
}
if (finger_id[client * 2 + id] != MAX_TOUCH_FINGERS) {
auto& [x, y, pressed] = touch_status[finger_id[client * 2 + id]];
x = 0;
y = 0;
pressed = false;
touch_status[finger_id[client * 2 + id]] = {};
finger_id[client * 2 + id] = MAX_TOUCH_FINGERS;
}
}

8
src/input_common/udp/client.h
View file

@ -28,8 +28,8 @@ class Socket;
namespace Response {
struct PadData;
struct PortInfo;
struct Version;
struct TouchPad;
struct Version;
} // namespace Response
enum class PadMotion {
@ -129,10 +129,10 @@ private:
// Returns an unused finger id, if there is no fingers available std::nullopt will be
// returned
std::optional<size_t> GetUnusedFingerID() const;
std::optional<std::size_t> GetUnusedFingerID() const;
// Merges and updates all touch inputs into the touch_status array
void UpdateTouchInput(Response::TouchPad& touch_pad, size_t client, size_t id);
void UpdateTouchInput(Response::TouchPad& touch_pad, std::size_t client, std::size_t id);
bool configuring = false;
@ -143,7 +143,7 @@ private:
std::array<ClientData, MAX_UDP_CLIENTS> clients{};
Common::SPSCQueue<UDPPadStatus> pad_queue{};
Input::TouchStatus touch_status{};
std::array<size_t, MAX_TOUCH_FINGERS> finger_id{};
std::array<std::size_t, MAX_TOUCH_FINGERS> finger_id{};
};
/// An async job allowing configuration of the touchpad calibration.

75
src/yuzu/bootmanager.cpp
View file

@ -394,7 +394,7 @@ void GRenderWindow::mousePressEvent(QMouseEvent* event) {
input_subsystem->GetMouse()->PressButton(x, y, event->button());
if (event->button() == Qt::LeftButton) {
this->TouchPressed(x, y);
this->TouchPressed(x, y, 0);
}
emit MouseActivity();
@ -409,7 +409,7 @@ void GRenderWindow::mouseMoveEvent(QMouseEvent* event) {
auto pos = event->pos();
const auto [x, y] = ScaleTouch(pos);
input_subsystem->GetMouse()->MouseMove(x, y);
this->TouchMoved(x, y);
this->TouchMoved(x, y, 0);
emit MouseActivity();
}
@ -423,36 +423,71 @@ void GRenderWindow::mouseReleaseEvent(QMouseEvent* event) {
input_subsystem->GetMouse()->ReleaseButton(event->button());
if (event->button() == Qt::LeftButton) {
this->TouchReleased();
this->TouchReleased(0);
}
}
void GRenderWindow::TouchBeginEvent(const QTouchEvent* event) {
// TouchBegin always has exactly one touch point, so take the .first()
const auto [x, y] = ScaleTouch(event->touchPoints().first().pos());
this->TouchPressed(x, y);
QList<QTouchEvent::TouchPoint> touch_points = event->touchPoints();
for (const auto& touch_point : touch_points) {
if (!TouchUpdate(touch_point)) {
TouchStart(touch_point);
}
}
}
void GRenderWindow::TouchUpdateEvent(const QTouchEvent* event) {
QPointF pos;
int active_points = 0;
// average all active touch points
for (const auto& tp : event->touchPoints()) {
if (tp.state() & (Qt::TouchPointPressed | Qt::TouchPointMoved | Qt::TouchPointStationary)) {
active_points++;
pos += tp.pos();
QList<QTouchEvent::TouchPoint> touch_points = event->touchPoints();
for (const auto& touch_point : touch_points) {
if (!TouchUpdate(touch_point)) {
TouchStart(touch_point);
}
}
// Release all inactive points
for (std::size_t id = 0; id < touch_ids.size(); ++id) {
if (!TouchExist(touch_ids[id], touch_points)) {
touch_ids[id] = 0;
this->TouchReleased(id + 1);
}
}
pos /= active_points;
const auto [x, y] = ScaleTouch(pos);
this->TouchMoved(x, y);
}
void GRenderWindow::TouchEndEvent() {
this->TouchReleased();
for (std::size_t id = 0; id < touch_ids.size(); ++id) {
if (touch_ids[id] != 0) {
touch_ids[id] = 0;
this->TouchReleased(id + 1);
}
}
}
bool GRenderWindow::TouchStart(const QTouchEvent::TouchPoint& touch_point) {
for (std::size_t id = 0; id < touch_ids.size(); ++id) {
if (touch_ids[id] == 0) {
touch_ids[id] = touch_point.id() + 1;
const auto [x, y] = ScaleTouch(touch_point.pos());
this->TouchPressed(x, y, id + 1);
return true;
}
}
return false;
}
bool GRenderWindow::TouchUpdate(const QTouchEvent::TouchPoint& touch_point) {
for (std::size_t id = 0; id < touch_ids.size(); ++id) {
if (touch_ids[id] == touch_point.id() + 1) {
const auto [x, y] = ScaleTouch(touch_point.pos());
this->TouchMoved(x, y, id + 1);
return true;
}
}
return false;
}
bool GRenderWindow::TouchExist(std::size_t id,
const QList<QTouchEvent::TouchPoint>& touch_points) const {
return std::any_of(touch_points.begin(), touch_points.end(),
[id](const auto& point) { return id == point.id() + 1; });
}
bool GRenderWindow::event(QEvent* event) {

8
src/yuzu/bootmanager.h
View file

@ -11,6 +11,7 @@
#include <QImage>
#include <QThread>
#include <QTouchEvent>
#include <QWidget>
#include <QWindow>
@ -21,7 +22,6 @@
class GRenderWindow;
class GMainWindow;
class QKeyEvent;
class QTouchEvent;
class QStringList;
namespace InputCommon {
@ -191,6 +191,10 @@ private:
void TouchUpdateEvent(const QTouchEvent* event);
void TouchEndEvent();
bool TouchStart(const QTouchEvent::TouchPoint& touch_point);
bool TouchUpdate(const QTouchEvent::TouchPoint& touch_point);
bool TouchExist(std::size_t id, const QList<QTouchEvent::TouchPoint>& touch_points) const;
void OnMinimalClientAreaChangeRequest(std::pair<u32, u32> minimal_size) override;
bool InitializeOpenGL();
@ -215,6 +219,8 @@ private:
bool first_frame = false;
std::array<std::size_t, 16> touch_ids{};
protected:
void showEvent(QShowEvent* event) override;
bool eventFilter(QObject* object, QEvent* event) override;

12
src/yuzu_cmd/emu_window/emu_window_sdl2.cpp
View file

@ -29,16 +29,16 @@ EmuWindow_SDL2::~EmuWindow_SDL2() {
}
void EmuWindow_SDL2::OnMouseMotion(s32 x, s32 y) {
TouchMoved((unsigned)std::max(x, 0), (unsigned)std::max(y, 0));
TouchMoved((unsigned)std::max(x, 0), (unsigned)std::max(y, 0), 0);
input_subsystem->GetMouse()->MouseMove(x, y);
}
void EmuWindow_SDL2::OnMouseButton(u32 button, u8 state, s32 x, s32 y) {
if (button == SDL_BUTTON_LEFT) {
if (state == SDL_PRESSED) {
TouchPressed((unsigned)std::max(x, 0), (unsigned)std::max(y, 0));
TouchPressed((unsigned)std::max(x, 0), (unsigned)std::max(y, 0), 0);
} else {
TouchReleased();
TouchReleased(0);
}
} else if (button == SDL_BUTTON_RIGHT) {
if (state == SDL_PRESSED) {
@ -66,16 +66,16 @@ void EmuWindow_SDL2::OnFingerDown(float x, float y) {
// 3DS does
const auto [px, py] = TouchToPixelPos(x, y);
TouchPressed(px, py);
TouchPressed(px, py, 0);
}
void EmuWindow_SDL2::OnFingerMotion(float x, float y) {
const auto [px, py] = TouchToPixelPos(x, y);
TouchMoved(px, py);
TouchMoved(px, py, 0);
}
void EmuWindow_SDL2::OnFingerUp() {
TouchReleased();
TouchReleased(0);
}
void EmuWindow_SDL2::OnKeyEvent(int key, u8 state) {