Qt: Implement "Connect Wii Remotes" menu

Source/Core/DolphinQt2/HotkeyScheduler.cpp

@@ -209,8 +209,8 @@ void HotkeyScheduler::Run()
         if (IsHotkey(HK_BALANCEBOARD_CONNECT))
           wiimote_id = 4;
 
-        // TODO Implement Wiimote connecting / disconnecting (Separate PR)
-        // if (wiimote_id > -1)
+        if (wiimote_id > -1)
+          emit ConnectWiiRemote(wiimote_id);
       }
 
       // Graphics

Source/Core/DolphinQt2/HotkeyScheduler.h

@@ -31,6 +31,7 @@ signals:
   void StartRecording();
   void ExportRecording();
   void ToggleReadOnlyMode();
+  void ConnectWiiRemote(int id);
 
 private:
   void Run();

Source/Core/DolphinQt2/MainWindow.cpp

@@ -32,6 +32,8 @@
 #include "Core/HW/Wiimote.h"
 #include "Core/HW/WiimoteEmu/WiimoteEmu.h"
 #include "Core/HotkeyManager.h"
+#include "Core/IOS/USB/Bluetooth/BTEmu.h"
+#include "Core/IOS/USB/Bluetooth/WiimoteDevice.h"
 #include "Core/Movie.h"
 #include "Core/NetPlayClient.h"
 #include "Core/NetPlayProto.h"
@@ -238,6 +240,7 @@ void MainWindow::ConnectMenuBar()
   connect(m_menu_bar, &MenuBar::BootWiiSystemMenu, this, &MainWindow::BootWiiSystemMenu);
   connect(m_menu_bar, &MenuBar::StartNetPlay, this, &MainWindow::ShowNetPlaySetupDialog);
   connect(m_menu_bar, &MenuBar::ShowFIFOPlayer, this, &MainWindow::ShowFIFOPlayer);
+  connect(m_menu_bar, &MenuBar::ConnectWiiRemote, this, &MainWindow::OnConnectWiiRemote);
 
   // Movie
   connect(m_menu_bar, &MenuBar::PlayRecording, this, &MainWindow::OnPlayRecording);
@@ -282,6 +285,8 @@ void MainWindow::ConnectHotkeys()
           &MainWindow::OnStartRecording);
   connect(m_hotkey_scheduler, &HotkeyScheduler::ExportRecording, this,
           &MainWindow::OnExportRecording);
+  connect(m_hotkey_scheduler, &HotkeyScheduler::ConnectWiiRemote, this,
+          &MainWindow::OnConnectWiiRemote);
   connect(m_hotkey_scheduler, &HotkeyScheduler::ToggleReadOnlyMode, [this] {
     bool read_only = !Movie::IsReadOnly();
     Movie::SetReadOnly(read_only);
@@ -1047,3 +1052,16 @@ void MainWindow::OnExportRecording()
 
   Movie::SaveRecording(dtm_file.toStdString());
 }
+
+void MainWindow::OnConnectWiiRemote(int id)
+{
+  const auto ios = IOS::HLE::GetIOS();
+  if (!ios || SConfig::GetInstance().m_bt_passthrough_enabled)
+    return;
+  Core::RunAsCPUThread([&] {
+    const auto bt = std::static_pointer_cast<IOS::HLE::Device::BluetoothEmu>(
+        ios->GetDeviceByName("/dev/usb/oh1/57e/305"));
+    const bool is_connected = bt && bt->AccessWiiMote(id | 0x100)->IsConnected();
+    Wiimote::Connect(id, !is_connected);
+  });
+}

Source/Core/DolphinQt2/MainWindow.h

@@ -112,6 +112,7 @@ private:
 
   void OnBootGameCubeIPL(DiscIO::Region region);
   void OnImportNANDBackup();
+  void OnConnectWiiRemote(int id);
 
   void OnPlayRecording();
   void OnStartRecording();

Source/Core/DolphinQt2/MenuBar.cpp

@@ -24,6 +24,7 @@
 #include "Core/HW/Wiimote.h"
 #include "Core/IOS/ES/ES.h"
 #include "Core/IOS/IOS.h"
+#include "Core/IOS/USB/Bluetooth/BTEmu.h"
 #include "Core/Movie.h"
 #include "Core/State.h"
 #include "Core/TitleDatabase.h"
@@ -156,6 +157,24 @@ void MenuBar::AddToolsMenu()
             [this] { emit PerformOnlineUpdate("KOR"); });
   AddAction(m_perform_online_update_menu, tr("United States"), this,
             [this] { emit PerformOnlineUpdate("USA"); });
+
+  QMenu* menu = new QMenu(tr("Connect Wii Remotes"));
+
+  tools_menu->addSeparator();
+  tools_menu->addMenu(menu);
+
+  for (int i = 0; i < 4; i++)
+  {
+    m_wii_remotes[i] = AddAction(menu, tr("Connect Wii Remote %1").arg(i + 1), this,
+                                 [this, i] { emit ConnectWiiRemote(i); });
+    m_wii_remotes[i]->setCheckable(true);
+  }
+
+  menu->addSeparator();
+
+  m_wii_remotes[4] =
+      AddAction(menu, tr("Connect Balance Board"), this, [this] { emit ConnectWiiRemote(4); });
+  m_wii_remotes[4]->setCheckable(true);
 }
 
 void MenuBar::AddEmulationMenu()
@@ -541,6 +560,20 @@ void MenuBar::UpdateToolsMenu(bool emulation_started)
       action->setEnabled(!tmd.IsValid());
     m_perform_online_update_for_current_region->setEnabled(tmd.IsValid());
   }
+
+  const auto ios = IOS::HLE::GetIOS();
+  const auto bt = ios ? std::static_pointer_cast<IOS::HLE::Device::BluetoothEmu>(
+                            ios->GetDeviceByName("/dev/usb/oh1/57e/305")) :
+                        nullptr;
+  bool enable_wiimotes =
+      emulation_started && bt && !SConfig::GetInstance().m_bt_passthrough_enabled;
+
+  for (int i = 0; i < 5; i++)
+  {
+    m_wii_remotes[i]->setEnabled(enable_wiimotes);
+    if (enable_wiimotes)
+      m_wii_remotes[i]->setChecked(bt->AccessWiiMote(0x0100 + i)->IsConnected());
+  }
 }
 
 void MenuBar::InstallWAD()

Source/Core/DolphinQt2/MenuBar.h

@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <array>
 #include <string>
 
 #include <QMenu>
@@ -64,6 +65,7 @@ signals:
   void BootGameCubeIPL(DiscIO::Region region);
   void ShowFIFOPlayer();
   void ShowAboutDialog();
+  void ConnectWiiRemote(int id);
 
   // Options
   void Configure();
@@ -135,6 +137,7 @@ private:
   QAction* m_import_backup;
   QAction* m_check_nand;
   QAction* m_extract_certificates;
+  std::array<QAction*, 5> m_wii_remotes;
 
   // Emulation
   QAction* m_play_action;