From d18735e82ea3372d407bb313b0af65692ca5ad05 Mon Sep 17 00:00:00 2001
From: Dentomologist <dentomologist@gmail.com>
Date: Wed, 22 Feb 2023 20:10:23 -0800
Subject: [PATCH] Qt/WiimoteControllersWidget: Add bluetooth unavailable
 message

---
 Source/Core/Core/HW/WiimoteReal/WiimoteReal.cpp          | 5 +++++
 Source/Core/Core/HW/WiimoteReal/WiimoteReal.h            | 1 +
 Source/Core/DolphinQt/Config/ControllersWindow.cpp       | 6 ++++++
 Source/Core/DolphinQt/Config/ControllersWindow.h         | 4 ++++
 .../Core/DolphinQt/Config/WiimoteControllersWidget.cpp   | 9 +++++++++
 Source/Core/DolphinQt/Config/WiimoteControllersWidget.h  | 3 +++
 6 files changed, 28 insertions(+)

diff --git a/Source/Core/Core/HW/WiimoteReal/WiimoteReal.cpp b/Source/Core/Core/HW/WiimoteReal/WiimoteReal.cpp
index 10fa8f2686..abd90979f7 100644
--- a/Source/Core/Core/HW/WiimoteReal/WiimoteReal.cpp
+++ b/Source/Core/Core/HW/WiimoteReal/WiimoteReal.cpp
@@ -131,6 +131,11 @@ void ProcessWiimotePool()
   }
 }
 
+bool IsScannerReady()
+{
+  return s_wiimote_scanner.IsReady();
+}
+
 void AddWiimoteToPool(std::unique_ptr<Wiimote> wiimote)
 {
   // Our real wiimote class requires an index.
diff --git a/Source/Core/Core/HW/WiimoteReal/WiimoteReal.h b/Source/Core/Core/HW/WiimoteReal/WiimoteReal.h
index e597d774bc..39f13f0f44 100644
--- a/Source/Core/Core/HW/WiimoteReal/WiimoteReal.h
+++ b/Source/Core/Core/HW/WiimoteReal/WiimoteReal.h
@@ -223,4 +223,5 @@ void InitAdapterClass();
 void HandleWiimotesInControllerInterfaceSettingChange();
 void PopulateDevices();
 void ProcessWiimotePool();
+bool IsScannerReady();
 }  // namespace WiimoteReal
diff --git a/Source/Core/DolphinQt/Config/ControllersWindow.cpp b/Source/Core/DolphinQt/Config/ControllersWindow.cpp
index 52c8e25f9a..2470910e8e 100644
--- a/Source/Core/DolphinQt/Config/ControllersWindow.cpp
+++ b/Source/Core/DolphinQt/Config/ControllersWindow.cpp
@@ -23,6 +23,12 @@ ControllersWindow::ControllersWindow(QWidget* parent) : QDialog(parent)
   ConnectWidgets();
 }
 
+void ControllersWindow::showEvent(QShowEvent* event)
+{
+  QDialog::showEvent(event);
+  m_wiimote_controllers->UpdateBluetoothAvailableStatus();
+}
+
 void ControllersWindow::CreateMainLayout()
 {
   auto* layout = new QVBoxLayout();
diff --git a/Source/Core/DolphinQt/Config/ControllersWindow.h b/Source/Core/DolphinQt/Config/ControllersWindow.h
index 159efdfe88..234110e804 100644
--- a/Source/Core/DolphinQt/Config/ControllersWindow.h
+++ b/Source/Core/DolphinQt/Config/ControllersWindow.h
@@ -8,6 +8,7 @@
 class CommonControllersWidget;
 class GamecubeControllersWidget;
 class QDialogButtonBox;
+class QShowEvent;
 class WiimoteControllersWidget;
 
 class ControllersWindow final : public QDialog
@@ -16,6 +17,9 @@ class ControllersWindow final : public QDialog
 public:
   explicit ControllersWindow(QWidget* parent);
 
+protected:
+  void showEvent(QShowEvent* event) override;
+
 private:
   void CreateMainLayout();
   void ConnectWidgets();
diff --git a/Source/Core/DolphinQt/Config/WiimoteControllersWidget.cpp b/Source/Core/DolphinQt/Config/WiimoteControllersWidget.cpp
index 21b0fc1b33..28f15a46d7 100644
--- a/Source/Core/DolphinQt/Config/WiimoteControllersWidget.cpp
+++ b/Source/Core/DolphinQt/Config/WiimoteControllersWidget.cpp
@@ -50,6 +50,11 @@ WiimoteControllersWidget::WiimoteControllersWidget(QWidget* parent) : QWidget(pa
   LoadSettings(Core::GetState());
 }
 
+void WiimoteControllersWidget::UpdateBluetoothAvailableStatus()
+{
+  m_bluetooth_unavailable->setHidden(WiimoteReal::IsScannerReady());
+}
+
 static int GetRadioButtonIndicatorWidth()
 {
   const QStyle* style = QApplication::style();
@@ -151,6 +156,10 @@ void WiimoteControllersWidget::CreateLayout()
   m_wiimote_layout->addWidget(m_wiimote_continuous_scanning, continuous_scanning_row, 0, 1, 3);
   m_wiimote_layout->addWidget(m_wiimote_refresh, continuous_scanning_row, 3);
 
+  m_bluetooth_unavailable = new QLabel(tr("A supported Bluetooth device could not be found.\n"
+                                          "You must manually connect your Wii Remote."));
+  m_wiimote_layout->addWidget(m_bluetooth_unavailable, m_wiimote_layout->rowCount(), 1, 1, -1);
+
   auto* layout = new QVBoxLayout;
   layout->setContentsMargins(0, 0, 0, 0);
   layout->setAlignment(Qt::AlignTop);
diff --git a/Source/Core/DolphinQt/Config/WiimoteControllersWidget.h b/Source/Core/DolphinQt/Config/WiimoteControllersWidget.h
index e8cf91ce4b..d81e6f0653 100644
--- a/Source/Core/DolphinQt/Config/WiimoteControllersWidget.h
+++ b/Source/Core/DolphinQt/Config/WiimoteControllersWidget.h
@@ -27,6 +27,8 @@ class WiimoteControllersWidget final : public QWidget
 public:
   explicit WiimoteControllersWidget(QWidget* parent);
 
+  void UpdateBluetoothAvailableStatus();
+
 private:
   void SaveSettings();
   void OnBluetoothPassthroughSyncPressed();
@@ -55,4 +57,5 @@ private:
   QCheckBox* m_wiimote_speaker_data;
   QCheckBox* m_wiimote_ciface;
   QPushButton* m_wiimote_refresh;
+  QLabel* m_bluetooth_unavailable;
 };