Allow all touch inputs at the same time and remove config options that are not longer necesary

src/core/hle/service/hid/controllers/touchscreen.cpp

@@ -40,11 +40,12 @@ void Controller_Touchscreen::OnUpdate(const Core::Timing::CoreTiming& core_timin
     cur_entry.sampling_number = last_entry.sampling_number + 1;
     cur_entry.sampling_number2 = cur_entry.sampling_number;
 
-    updateTouchInputEvent(touch_device->GetStatus(), mouse_finger_id);
+    updateTouchInputEvent(touch_mouse_device->GetStatus(), mouse_finger_id);
-    updateTouchInputEvent(touch_btn_device->GetStatus(), keyboar_finger_id);
+    updateTouchInputEvent(touch_btn_device->GetStatus(), keyboard_finger_id);
+    updateTouchInputEvent(touch_udp_device->GetStatus(), udp_finger_id);
 
     std::array<Finger, 16> sorted_fingers;
-    s32_le active_fingers = 0;
+    size_t active_fingers = 0;
     for (Finger finger : fingers) {
         if (finger.pressed) {
             sorted_fingers[active_fingers++] = finger;
@@ -52,7 +53,7 @@ void Controller_Touchscreen::OnUpdate(const Core::Timing::CoreTiming& core_timin
     }
 
     const u64 tick = core_timing.GetCPUTicks();
-    cur_entry.entry_count = active_fingers;
+    cur_entry.entry_count = static_cast<s32_le>(active_fingers);
     for (size_t id = 0; id < MAX_FINGERS; id++) {
         auto& touch_entry = cur_entry.states[id];
         if (id < active_fingers) {
@@ -81,7 +82,8 @@ void Controller_Touchscreen::OnUpdate(const Core::Timing::CoreTiming& core_timin
 }
 
 void Controller_Touchscreen::OnLoadInputDevices() {
-    touch_device = Input::CreateDevice<Input::TouchDevice>(Settings::values.touchscreen.device);
+    touch_mouse_device = Input::CreateDevice<Input::TouchDevice>("engine:emu_window");
+    touch_udp_device = Input::CreateDevice<Input::TouchDevice>("engine:cemuhookudp");
     if (Settings::values.use_touch_from_button) {
         touch_btn_device = Input::CreateDevice<Input::TouchDevice>("engine:touch_from_button");
     } else {
@@ -90,7 +92,7 @@ void Controller_Touchscreen::OnLoadInputDevices() {
 }
 
 void Controller_Touchscreen::updateTouchInputEvent(
-    const std::tuple<float, float, bool>& touch_input, int& finger_id) {
+    const std::tuple<float, float, bool>& touch_input, size_t& finger_id) {
     bool pressed = false;
     float x, y;
     std::tie(x, y, pressed) = touch_input;
@@ -110,7 +112,7 @@ void Controller_Touchscreen::updateTouchInputEvent(
                 fingers[finger_id].x = x;
                 fingers[finger_id].y = y;
                 fingers[finger_id].pressed = true;
-                fingers[finger_id].id = finger_id;
+                fingers[finger_id].id = static_cast<u32_le>(finger_id);
                 fingers[finger_id].attribute.start_touch.Assign(1);
             }
         } else {

src/core/hle/service/hid/controllers/touchscreen.h

@@ -30,7 +30,12 @@ public:
     void OnLoadInputDevices() override;
 
 private:
-    void updateTouchInputEvent(const std::tuple<float, float, bool>& touch_input, int& finger_id);
+    // 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
+    void updateTouchInputEvent(const std::tuple<float, float, bool>& touch_input,
+                               size_t& finger_id);
     static const size_t MAX_FINGERS = 16;
 
     struct Attributes {
@@ -80,10 +85,12 @@ private:
     };
 
     TouchScreenSharedMemory shared_memory{};
-    std::unique_ptr<Input::TouchDevice> touch_device;
+    std::unique_ptr<Input::TouchDevice> touch_mouse_device;
+    std::unique_ptr<Input::TouchDevice> touch_udp_device;
     std::unique_ptr<Input::TouchDevice> touch_btn_device;
-    int mouse_finger_id{-1};
+    size_t mouse_finger_id{-1};
-    int keyboar_finger_id{-1};
+    size_t keyboard_finger_id{-1};
+    size_t udp_finger_id{-1};
     std::array<Finger, MAX_FINGERS> fingers;
 };
 } // namespace Service::HID

src/yuzu/configuration/config.cpp

@@ -464,13 +464,7 @@ void Config::ReadMouseValues() {
 void Config::ReadTouchscreenValues() {
     Settings::values.touchscreen.enabled =
         ReadSetting(QStringLiteral("touchscreen_enabled"), true).toBool();
-    Settings::values.touchscreen.device =
-        ReadSetting(QStringLiteral("touchscreen_device"), QStringLiteral("engine:emu_window"))
-            .toString()
-            .toStdString();
 
-    Settings::values.touchscreen.finger =
-        ReadSetting(QStringLiteral("touchscreen_finger"), 0).toUInt();
     Settings::values.touchscreen.rotation_angle =
         ReadSetting(QStringLiteral("touchscreen_angle"), 0).toUInt();
     Settings::values.touchscreen.diameter_x =
@@ -1087,10 +1081,7 @@ void Config::SaveTouchscreenValues() {
     const auto& touchscreen = Settings::values.touchscreen;
 
     WriteSetting(QStringLiteral("touchscreen_enabled"), touchscreen.enabled, true);
-    WriteSetting(QStringLiteral("touchscreen_device"), QString::fromStdString(touchscreen.device),
-                 QStringLiteral("engine:emu_window"));
 
-    WriteSetting(QStringLiteral("touchscreen_finger"), touchscreen.finger, 0);
     WriteSetting(QStringLiteral("touchscreen_angle"), touchscreen.rotation_angle, 0);
     WriteSetting(QStringLiteral("touchscreen_diameter_x"), touchscreen.diameter_x, 15);
     WriteSetting(QStringLiteral("touchscreen_diameter_y"), touchscreen.diameter_y, 15);

src/yuzu/configuration/configure_motion_touch.cpp

@@ -81,19 +81,11 @@ void CalibrationConfigurationDialog::UpdateButtonText(const QString& text) {
     cancel_button->setText(text);
 }
 
-constexpr std::array<std::pair<const char*, const char*>, 2> TouchProviders = {{
-    {"emu_window", QT_TRANSLATE_NOOP("ConfigureMotionTouch", "Emulator Window")},
-    {"cemuhookudp", QT_TRANSLATE_NOOP("ConfigureMotionTouch", "CemuhookUDP")},
-}};
-
 ConfigureMotionTouch::ConfigureMotionTouch(QWidget* parent,
                                            InputCommon::InputSubsystem* input_subsystem_)
     : QDialog(parent), input_subsystem{input_subsystem_},
       ui(std::make_unique<Ui::ConfigureMotionTouch>()) {
     ui->setupUi(this);
-    for (const auto& [provider, name] : TouchProviders) {
-        ui->touch_provider->addItem(tr(name), QString::fromUtf8(provider));
-    }
 
     ui->udp_learn_more->setOpenExternalLinks(true);
     ui->udp_learn_more->setText(
@@ -112,10 +104,7 @@ ConfigureMotionTouch::~ConfigureMotionTouch() = default;
 void ConfigureMotionTouch::SetConfiguration() {
     const Common::ParamPackage motion_param(Settings::values.motion_device);
     const Common::ParamPackage touch_param(Settings::values.touch_device);
-    const std::string touch_engine = touch_param.Get("engine", "emu_window");
 
-    ui->touch_provider->setCurrentIndex(
-        ui->touch_provider->findData(QString::fromStdString(touch_engine)));
     ui->touch_from_button_checkbox->setChecked(Settings::values.use_touch_from_button);
     touch_from_button_maps = Settings::values.touch_from_button_maps;
     for (const auto& touch_map : touch_from_button_maps) {
@@ -148,30 +137,21 @@ void ConfigureMotionTouch::SetConfiguration() {
 }
 
 void ConfigureMotionTouch::UpdateUiDisplay() {
-    const QString touch_engine = ui->touch_provider->currentData().toString();
     const QString cemuhook_udp = QStringLiteral("cemuhookudp");
 
     ui->motion_sensitivity_label->setVisible(true);
     ui->motion_sensitivity->setVisible(true);
 
-    if (touch_engine == cemuhook_udp) {
     ui->touch_calibration->setVisible(true);
     ui->touch_calibration_config->setVisible(true);
     ui->touch_calibration_label->setVisible(true);
     ui->touch_calibration->setText(
         QStringLiteral("(%1, %2) - (%3, %4)").arg(min_x).arg(min_y).arg(max_x).arg(max_y));
-    } else {
-        ui->touch_calibration->setVisible(false);
-        ui->touch_calibration_config->setVisible(false);
-        ui->touch_calibration_label->setVisible(false);
-    }
 
     ui->udp_config_group_box->setVisible(true);
 }
 
 void ConfigureMotionTouch::ConnectEvents() {
-    connect(ui->touch_provider, qOverload<int>(&QComboBox::currentIndexChanged), this,
-            [this](int index) { UpdateUiDisplay(); });
     connect(ui->udp_test, &QPushButton::clicked, this, &ConfigureMotionTouch::OnCemuhookUDPTest);
     connect(ui->udp_add, &QPushButton::clicked, this, &ConfigureMotionTouch::OnUDPAddServer);
     connect(ui->udp_remove, &QPushButton::clicked, this, &ConfigureMotionTouch::OnUDPDeleteServer);
@@ -327,16 +307,11 @@ void ConfigureMotionTouch::ApplyConfiguration() {
         return;
     }
 
-    std::string touch_engine = ui->touch_provider->currentData().toString().toStdString();
-
     Common::ParamPackage touch_param{};
-    if (touch_engine == "cemuhookudp") {
     touch_param.Set("min_x", min_x);
     touch_param.Set("min_y", min_y);
     touch_param.Set("max_x", max_x);
     touch_param.Set("max_y", max_y);
-    }
-    touch_param.Set("engine", std::move(touch_engine));
 
     Settings::values.touch_device = touch_param.Serialize();
     Settings::values.use_touch_from_button = ui->touch_from_button_checkbox->isChecked();

src/yuzu/configuration/configure_motion_touch.ui

@@ -65,26 +65,12 @@
       <string>Touch</string>
      </property>
      <layout class="QVBoxLayout">
-      <item>
-       <layout class="QHBoxLayout">
-        <item>
-         <widget class="QLabel" name="touch_provider_label">
-          <property name="text">
-           <string>Touch Provider:</string>
-          </property>
-         </widget>
-        </item>
-        <item>
-         <widget class="QComboBox" name="touch_provider"/>
-        </item>
-       </layout>
-      </item>
       <item>
        <layout class="QHBoxLayout">
         <item>
          <widget class="QLabel" name="touch_calibration_label">
           <property name="text">
-           <string>Calibration:</string>
+           <string>UDP Calibration:</string>
           </property>
          </widget>
         </item>

src/yuzu/configuration/configure_touchscreen_advanced.cpp

@@ -33,21 +33,18 @@ void ConfigureTouchscreenAdvanced::RetranslateUI() {
 }
 
 void ConfigureTouchscreenAdvanced::ApplyConfiguration() {
-    Settings::values.touchscreen.finger = ui->finger_box->value();
     Settings::values.touchscreen.diameter_x = ui->diameter_x_box->value();
     Settings::values.touchscreen.diameter_y = ui->diameter_y_box->value();
     Settings::values.touchscreen.rotation_angle = ui->angle_box->value();
 }
 
 void ConfigureTouchscreenAdvanced::LoadConfiguration() {
-    ui->finger_box->setValue(Settings::values.touchscreen.finger);
     ui->diameter_x_box->setValue(Settings::values.touchscreen.diameter_x);
     ui->diameter_y_box->setValue(Settings::values.touchscreen.diameter_y);
     ui->angle_box->setValue(Settings::values.touchscreen.rotation_angle);
 }
 
 void ConfigureTouchscreenAdvanced::RestoreDefaults() {
-    ui->finger_box->setValue(0);
     ui->diameter_x_box->setValue(15);
     ui->diameter_y_box->setValue(15);
     ui->angle_box->setValue(0);

src/yuzu/configuration/configure_touchscreen_advanced.ui

@@ -65,20 +65,13 @@
         </property>
        </spacer>
       </item>
-      <item row="2" column="1">
+      <item row="1" column="1">
        <widget class="QLabel" name="label_4">
         <property name="text">
          <string>Touch Diameter Y</string>
         </property>
        </widget>
       </item>
-      <item row="0" column="1">
-       <widget class="QLabel" name="label">
-        <property name="text">
-         <string>Finger</string>
-        </property>
-       </widget>
-      </item>
       <item row="0" column="3">
        <spacer name="horizontalSpacer_2">
         <property name="orientation">
@@ -92,37 +85,27 @@
         </property>
        </spacer>
       </item>
-      <item row="1" column="1">
+      <item row="0" column="1">
        <widget class="QLabel" name="label_3">
         <property name="text">
          <string>Touch Diameter X</string>
         </property>
        </widget>
       </item>
-      <item row="0" column="2">
+      <item row="2" column="1">
-       <widget class="QSpinBox" name="finger_box">
-        <property name="minimumSize">
-         <size>
-          <width>80</width>
-          <height>0</height>
-         </size>
-        </property>
-       </widget>
-      </item>
-      <item row="3" column="1">
        <widget class="QLabel" name="label_5">
         <property name="text">
          <string>Rotational Angle</string>
         </property>
        </widget>
       </item>
-      <item row="1" column="2">
+      <item row="0" column="2">
        <widget class="QSpinBox" name="diameter_x_box"/>
       </item>
-      <item row="2" column="2">
+      <item row="1" column="2">
        <widget class="QSpinBox" name="diameter_y_box"/>
       </item>
-      <item row="3" column="2">
+      <item row="2" column="2">
        <widget class="QSpinBox" name="angle_box"/>
       </item>
      </layout>

src/yuzu_cmd/config.cpp

@@ -296,10 +296,6 @@ void Config::ReadValues() {
         sdl2_config->GetBoolean("ControlsGeneral", "motion_enabled", true));
     Settings::values.touchscreen.enabled =
         sdl2_config->GetBoolean("ControlsGeneral", "touch_enabled", true);
-    Settings::values.touchscreen.device =
-        sdl2_config->Get("ControlsGeneral", "touch_device", "engine:emu_window");
-    Settings::values.touchscreen.finger =
-        sdl2_config->GetInteger("ControlsGeneral", "touch_finger", 0);
     Settings::values.touchscreen.rotation_angle =
         sdl2_config->GetInteger("ControlsGeneral", "touch_angle", 0);
     Settings::values.touchscreen.diameter_x =