configure_input_player: Implement input exclusivity and persistence

With this, the "Input Devices" combobox should accurately reflect the input device being used and disallows inputs from other input devices unless the input device is set to "Any".

src/yuzu/configuration/configure_input_player.cpp

@@ -477,11 +477,12 @@ ConfigureInputPlayer::ConfigureInputPlayer(QWidget* parent, std::size_t player_i
         UpdateMotionButtons();
     });
 
-    connect(ui->comboDevices, qOverload<int>(&QComboBox::currentIndexChanged), this,
+    connect(ui->comboDevices, qOverload<int>(&QComboBox::activated), this,
             &ConfigureInputPlayer::UpdateMappingWithDefaults);
 
+    ui->comboDevices->setCurrentIndex(-1);
+
     ui->buttonRefreshDevices->setIcon(QIcon::fromTheme(QStringLiteral("view-refresh")));
-    UpdateInputDevices();
     connect(ui->buttonRefreshDevices, &QPushButton::clicked,
             [this] { emit RefreshInputDevices(); });
 
@@ -492,14 +493,14 @@ ConfigureInputPlayer::ConfigureInputPlayer(QWidget* parent, std::size_t player_i
         Common::ParamPackage params;
         if (input_subsystem->GetGCButtons()->IsPolling()) {
             params = input_subsystem->GetGCButtons()->GetNextInput();
-            if (params.Has("engine")) {
+            if (params.Has("engine") && IsInputAcceptable(params)) {
                 SetPollingResult(params, false);
                 return;
             }
         }
         if (input_subsystem->GetGCAnalogs()->IsPolling()) {
             params = input_subsystem->GetGCAnalogs()->GetNextInput();
-            if (params.Has("engine")) {
+            if (params.Has("engine") && IsInputAcceptable(params)) {
                 SetPollingResult(params, false);
                 return;
             }
@@ -513,7 +514,7 @@ ConfigureInputPlayer::ConfigureInputPlayer(QWidget* parent, std::size_t player_i
         }
         for (auto& poller : device_pollers) {
             params = poller->GetNextInput();
-            if (params.Has("engine")) {
+            if (params.Has("engine") && IsInputAcceptable(params)) {
                 SetPollingResult(params, false);
                 return;
             }
@@ -572,6 +573,14 @@ void ConfigureInputPlayer::ApplyConfiguration() {
     UpdateController(Settings::ControllerType::Handheld, HANDHELD_INDEX, handheld.connected);
 }
 
+void ConfigureInputPlayer::showEvent(QShowEvent* event) {
+    if (bottom_row == nullptr) {
+        return;
+    }
+    QWidget::showEvent(event);
+    ui->main->addWidget(bottom_row);
+}
+
 void ConfigureInputPlayer::changeEvent(QEvent* event) {
     if (event->type() == QEvent::LanguageChange) {
         RetranslateUI();
@@ -604,6 +613,7 @@ void ConfigureInputPlayer::LoadConfiguration() {
     }
 
     UpdateUI();
+    UpdateInputDeviceCombobox();
 
     if (debug) {
         return;
@@ -615,11 +625,56 @@ void ConfigureInputPlayer::LoadConfiguration() {
         (player_index == 0 && Settings::values.players[HANDHELD_INDEX].connected));
 }
 
-void ConfigureInputPlayer::UpdateInputDevices() {
-    input_devices = input_subsystem->GetInputDevices();
-    ui->comboDevices->clear();
-    for (auto device : input_devices) {
-        ui->comboDevices->addItem(QString::fromStdString(device.Get("display", "Unknown")), {});
+void ConfigureInputPlayer::ConnectPlayer(bool connected) {
+    ui->groupConnectedController->setChecked(connected);
+}
+
+void ConfigureInputPlayer::UpdateInputDeviceCombobox() {
+    // Skip input device persistence if "Input Devices" is set to "Any".
+    if (ui->comboDevices->currentIndex() == 0) {
+        UpdateInputDevices();
+        return;
+    }
+
+    // Find the first button that isn't empty.
+    const auto button_param =
+        std::find_if(buttons_param.begin(), buttons_param.end(),
+                     [](const Common::ParamPackage param) { return param.Has("engine"); });
+    const bool buttons_empty = button_param == buttons_param.end();
+
+    const auto current_engine = button_param->Get("engine", "");
+    const auto current_guid = button_param->Get("guid", "");
+    const auto current_port = button_param->Get("port", "");
+
+    UpdateInputDevices();
+
+    if (buttons_empty) {
+        return;
+    }
+
+    const bool all_one_device =
+        std::all_of(buttons_param.begin(), buttons_param.end(),
+                    [current_engine, current_guid, current_port](const Common::ParamPackage param) {
+                        return !param.Has("engine") || (param.Get("engine", "") == current_engine &&
+                                                        param.Get("guid", "") == current_guid &&
+                                                        param.Get("port", "") == current_port);
+                    });
+
+    if (all_one_device) {
+        const auto devices_it = std::find_if(
+            input_devices.begin(), input_devices.end(),
+            [current_engine, current_guid, current_port](const Common::ParamPackage param) {
+                return param.Get("class", "") == current_engine &&
+                       param.Get("guid", "") == current_guid &&
+                       param.Get("port", "") == current_port;
+            });
+        const int device_index =
+            devices_it != input_devices.end()
+                ? static_cast<int>(std::distance(input_devices.begin(), devices_it))
+                : 0;
+        ui->comboDevices->setCurrentIndex(device_index);
+    } else {
+        ui->comboDevices->setCurrentIndex(0);
     }
 }
 
@@ -648,7 +703,7 @@ void ConfigureInputPlayer::RestoreDefaults() {
     }
 
     UpdateUI();
-    UpdateInputDevices();
+    UpdateInputDeviceCombobox();
     ui->comboControllerType->setCurrentIndex(0);
 }
 
@@ -752,117 +807,12 @@ void ConfigureInputPlayer::UpdateUI() {
     }
 }
 
-void ConfigureInputPlayer::UpdateMappingWithDefaults() {
-    if (ui->comboDevices->currentIndex() < 2) {
-        return;
+void ConfigureInputPlayer::UpdateInputDevices() {
+    input_devices = input_subsystem->GetInputDevices();
+    ui->comboDevices->clear();
+    for (auto device : input_devices) {
+        ui->comboDevices->addItem(QString::fromStdString(device.Get("display", "Unknown")), {});
     }
-    const auto& device = input_devices[ui->comboDevices->currentIndex()];
-    auto button_mapping = input_subsystem->GetButtonMappingForDevice(device);
-    auto analog_mapping = input_subsystem->GetAnalogMappingForDevice(device);
-    for (std::size_t i = 0; i < buttons_param.size(); ++i) {
-        buttons_param[i] = button_mapping[static_cast<Settings::NativeButton::Values>(i)];
-    }
-    for (std::size_t i = 0; i < analogs_param.size(); ++i) {
-        analogs_param[i] = analog_mapping[static_cast<Settings::NativeAnalog::Values>(i)];
-    }
-
-    UpdateUI();
-}
-
-void ConfigureInputPlayer::HandleClick(
-    QPushButton* button, std::function<void(const Common::ParamPackage&)> new_input_setter,
-    InputCommon::Polling::DeviceType type) {
-    if (button == ui->buttonMotionLeft || button == ui->buttonMotionRight) {
-        button->setText(tr("Shake!"));
-    } else {
-        button->setText(tr("[waiting]"));
-    }
-    button->setFocus();
-
-    // The first two input devices are always Any and Keyboard/Mouse. If the user filtered to a
-    // controller, then they don't want keyboard/mouse input
-    want_keyboard_mouse = ui->comboDevices->currentIndex() < 2;
-
-    input_setter = new_input_setter;
-
-    device_pollers = input_subsystem->GetPollers(type);
-
-    for (auto& poller : device_pollers) {
-        poller->Start();
-    }
-
-    QWidget::grabMouse();
-    QWidget::grabKeyboard();
-
-    if (type == InputCommon::Polling::DeviceType::Button) {
-        input_subsystem->GetGCButtons()->BeginConfiguration();
-    } else {
-        input_subsystem->GetGCAnalogs()->BeginConfiguration();
-    }
-
-    if (type == InputCommon::Polling::DeviceType::Motion) {
-        input_subsystem->GetUDPMotions()->BeginConfiguration();
-    }
-
-    timeout_timer->start(2500); // Cancel after 2.5 seconds
-    poll_timer->start(50);      // Check for new inputs every 50ms
-}
-
-void ConfigureInputPlayer::SetPollingResult(const Common::ParamPackage& params, bool abort) {
-    timeout_timer->stop();
-    poll_timer->stop();
-    for (auto& poller : device_pollers) {
-        poller->Stop();
-    }
-
-    QWidget::releaseMouse();
-    QWidget::releaseKeyboard();
-
-    input_subsystem->GetGCButtons()->EndConfiguration();
-    input_subsystem->GetGCAnalogs()->EndConfiguration();
-
-    input_subsystem->GetUDPMotions()->EndConfiguration();
-
-    if (!abort) {
-        (*input_setter)(params);
-    }
-
-    UpdateUI();
-    input_setter = std::nullopt;
-}
-
-void ConfigureInputPlayer::mousePressEvent(QMouseEvent* event) {
-    if (!input_setter || !event) {
-        return;
-    }
-
-    if (want_keyboard_mouse) {
-        SetPollingResult(Common::ParamPackage{InputCommon::GenerateKeyboardParam(event->button())},
-                         false);
-    } else {
-        // We don't want any mouse buttons, so don't stop polling
-        return;
-    }
-
-    SetPollingResult({}, true);
-}
-
-void ConfigureInputPlayer::keyPressEvent(QKeyEvent* event) {
-    if (!input_setter || !event) {
-        return;
-    }
-
-    if (event->key() != Qt::Key_Escape) {
-        if (want_keyboard_mouse) {
-            SetPollingResult(Common::ParamPackage{InputCommon::GenerateKeyboardParam(event->key())},
-                             false);
-        } else {
-            // Escape key wasn't pressed and we don't want any keyboard keys, so don't stop polling
-            return;
-        }
-    }
-
-    SetPollingResult({}, true);
 }
 
 void ConfigureInputPlayer::UpdateControllerIcon() {
@@ -986,14 +936,128 @@ void ConfigureInputPlayer::UpdateMotionButtons() {
     }
 }
 
-void ConfigureInputPlayer::showEvent(QShowEvent* event) {
-    if (bottom_row == nullptr) {
+void ConfigureInputPlayer::UpdateMappingWithDefaults() {
+    if (ui->comboDevices->currentIndex() < 2) {
         return;
     }
-    QWidget::showEvent(event);
-    ui->main->addWidget(bottom_row);
+    const auto& device = input_devices[ui->comboDevices->currentIndex()];
+    auto button_mapping = input_subsystem->GetButtonMappingForDevice(device);
+    auto analog_mapping = input_subsystem->GetAnalogMappingForDevice(device);
+    for (std::size_t i = 0; i < buttons_param.size(); ++i) {
+        buttons_param[i] = button_mapping[static_cast<Settings::NativeButton::Values>(i)];
+    }
+    for (std::size_t i = 0; i < analogs_param.size(); ++i) {
+        analogs_param[i] = analog_mapping[static_cast<Settings::NativeAnalog::Values>(i)];
+    }
+
+    UpdateUI();
 }
 
-void ConfigureInputPlayer::ConnectPlayer(bool connected) {
-    ui->groupConnectedController->setChecked(connected);
+void ConfigureInputPlayer::HandleClick(
+    QPushButton* button, std::function<void(const Common::ParamPackage&)> new_input_setter,
+    InputCommon::Polling::DeviceType type) {
+    if (button == ui->buttonMotionLeft || button == ui->buttonMotionRight) {
+        button->setText(tr("Shake!"));
+    } else {
+        button->setText(tr("[waiting]"));
+    }
+    button->setFocus();
+
+    // The first two input devices are always Any and Keyboard/Mouse. If the user filtered to a
+    // controller, then they don't want keyboard/mouse input
+    want_keyboard_mouse = ui->comboDevices->currentIndex() < 2;
+
+    input_setter = new_input_setter;
+
+    device_pollers = input_subsystem->GetPollers(type);
+
+    for (auto& poller : device_pollers) {
+        poller->Start();
+    }
+
+    QWidget::grabMouse();
+    QWidget::grabKeyboard();
+
+    if (type == InputCommon::Polling::DeviceType::Button) {
+        input_subsystem->GetGCButtons()->BeginConfiguration();
+    } else {
+        input_subsystem->GetGCAnalogs()->BeginConfiguration();
+    }
+
+    if (type == InputCommon::Polling::DeviceType::Motion) {
+        input_subsystem->GetUDPMotions()->BeginConfiguration();
+    }
+
+    timeout_timer->start(2500); // Cancel after 2.5 seconds
+    poll_timer->start(50);      // Check for new inputs every 50ms
+}
+
+void ConfigureInputPlayer::SetPollingResult(const Common::ParamPackage& params, bool abort) {
+    timeout_timer->stop();
+    poll_timer->stop();
+    for (auto& poller : device_pollers) {
+        poller->Stop();
+    }
+
+    QWidget::releaseMouse();
+    QWidget::releaseKeyboard();
+
+    input_subsystem->GetGCButtons()->EndConfiguration();
+    input_subsystem->GetGCAnalogs()->EndConfiguration();
+
+    input_subsystem->GetUDPMotions()->EndConfiguration();
+
+    if (!abort) {
+        (*input_setter)(params);
+    }
+
+    UpdateUI();
+    UpdateInputDeviceCombobox();
+
+    input_setter = std::nullopt;
+}
+
+bool ConfigureInputPlayer::IsInputAcceptable(const Common::ParamPackage& params) const {
+    if (ui->comboDevices->currentIndex() == 0) {
+        return true;
+    }
+
+    const auto current_input_device = input_devices[ui->comboDevices->currentIndex()];
+    return params.Get("engine", "") == current_input_device.Get("class", "") &&
+           params.Get("guid", "") == current_input_device.Get("guid", "") &&
+           params.Get("port", "") == current_input_device.Get("port", "");
+}
+
+void ConfigureInputPlayer::mousePressEvent(QMouseEvent* event) {
+    if (!input_setter || !event) {
+        return;
+    }
+
+    if (want_keyboard_mouse) {
+        SetPollingResult(Common::ParamPackage{InputCommon::GenerateKeyboardParam(event->button())},
+                         false);
+    } else {
+        // We don't want any mouse buttons, so don't stop polling
+        return;
+    }
+
+    SetPollingResult({}, true);
+}
+
+void ConfigureInputPlayer::keyPressEvent(QKeyEvent* event) {
+    if (!input_setter || !event) {
+        return;
+    }
+
+    if (event->key() != Qt::Key_Escape) {
+        if (want_keyboard_mouse) {
+            SetPollingResult(Common::ParamPackage{InputCommon::GenerateKeyboardParam(event->key())},
+                             false);
+        } else {
+            // Escape key wasn't pressed and we don't want any keyboard keys, so don't stop polling
+            return;
+        }
+    }
+
+    SetPollingResult({}, true);
 }