diff --git a/Source/Core/Core/Core.cpp b/Source/Core/Core/Core.cpp
index c64eb1e22e..fff3e6bfff 100644
--- a/Source/Core/Core/Core.cpp
+++ b/Source/Core/Core/Core.cpp
@@ -459,7 +459,7 @@ static void EmuThread(std::unique_ptr<BootParameters> boot, WindowSystemInfo wsi
   bool init_controllers = false;
   if (!g_controller_interface.IsInit())
   {
-    g_controller_interface.Initialize(wsi.render_surface);
+    g_controller_interface.Initialize(wsi);
     Pad::Initialize();
     Keyboard::Initialize();
     init_controllers = true;
diff --git a/Source/Core/DolphinQt/MainWindow.cpp b/Source/Core/DolphinQt/MainWindow.cpp
index ec15365e55..f02542da95 100644
--- a/Source/Core/DolphinQt/MainWindow.cpp
+++ b/Source/Core/DolphinQt/MainWindow.cpp
@@ -169,6 +169,7 @@ MainWindow::MainWindow(std::unique_ptr<BootParameters> boot_parameters) : QMainW
   setWindowIcon(Resources::GetAppIcon());
   setUnifiedTitleAndToolBarOnMac(true);
   setAcceptDrops(true);
+  setAttribute(Qt::WA_NativeWindow);
 
   InitControllers();
 
@@ -237,7 +238,7 @@ void MainWindow::InitControllers()
   if (g_controller_interface.IsInit())
     return;
 
-  g_controller_interface.Initialize(reinterpret_cast<void*>(winId()));
+  g_controller_interface.Initialize(GetWindowSystemInfo(windowHandle()));
   Pad::Initialize();
   Keyboard::Initialize();
   Wiimote::Initialize(Wiimote::InitializeMode::DO_NOT_WAIT_FOR_WIIMOTES);
@@ -874,7 +875,8 @@ void MainWindow::SetFullScreenResolution(bool fullscreen)
   // Try To Set Selected Mode And Get Results.  NOTE: CDS_FULLSCREEN Gets Rid Of Start Bar.
   ChangeDisplaySettings(&screen_settings, CDS_FULLSCREEN);
 #elif defined(HAVE_XRANDR) && HAVE_XRANDR
-  m_xrr_config->ToggleDisplayMode(fullscreen);
+  if (m_xrr_config)
+    m_xrr_config->ToggleDisplayMode(fullscreen);
 #endif
 }
 
@@ -1003,14 +1005,18 @@ void MainWindow::ShowGraphicsWindow()
   if (!m_graphics_window)
   {
 #if defined(HAVE_XRANDR) && HAVE_XRANDR
-    m_xrr_config = std::make_unique<X11Utils::XRRConfiguration>(
-        static_cast<Display*>(QGuiApplication::platformNativeInterface()->nativeResourceForWindow(
-            "display", windowHandle())),
-        winId());
+    if (GetWindowSystemType() == WindowSystemType::X11)
+    {
+      m_xrr_config = std::make_unique<X11Utils::XRRConfiguration>(
+          static_cast<Display*>(QGuiApplication::platformNativeInterface()->nativeResourceForWindow(
+              "display", windowHandle())),
+          winId());
+    }
     m_graphics_window = new GraphicsWindow(m_xrr_config.get(), this);
 #else
     m_graphics_window = new GraphicsWindow(nullptr, this);
 #endif
+    InstallHotkeyFilter(m_graphics_window);
   }
 
   m_graphics_window->show();
@@ -1273,7 +1279,8 @@ void MainWindow::NetPlayQuit()
 void MainWindow::EnableScreenSaver(bool enable)
 {
 #if defined(HAVE_XRANDR) && HAVE_XRANDR
-  UICommon::EnableScreenSaver(winId(), enable);
+  if (GetWindowSystemType() == WindowSystemType::X11)
+    UICommon::EnableScreenSaver(winId(), enable);
 #else
   UICommon::EnableScreenSaver(enable);
 #endif
diff --git a/Source/Core/DolphinQt/MainWindow.h b/Source/Core/DolphinQt/MainWindow.h
index eaec778b5d..937e3beb7c 100644
--- a/Source/Core/DolphinQt/MainWindow.h
+++ b/Source/Core/DolphinQt/MainWindow.h
@@ -173,7 +173,7 @@ private:
   MenuBar* m_menu_bar;
   SearchBar* m_search_bar;
   GameList* m_game_list;
-  RenderWidget* m_render_widget;
+  RenderWidget* m_render_widget = nullptr;
   bool m_rendering_to_main;
   bool m_stop_requested = false;
   bool m_exit_requested = false;
diff --git a/Source/Core/InputCommon/ControllerInterface/ControllerInterface.cpp b/Source/Core/InputCommon/ControllerInterface/ControllerInterface.cpp
index 0e6857c137..7be22d4a8d 100644
--- a/Source/Core/InputCommon/ControllerInterface/ControllerInterface.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/ControllerInterface.cpp
@@ -41,12 +41,12 @@ ControllerInterface g_controller_interface;
 //
 // Detect devices and inputs outputs / will make refresh function later
 //
-void ControllerInterface::Initialize(void* const hwnd)
+void ControllerInterface::Initialize(const WindowSystemInfo& wsi)
 {
   if (m_is_init)
     return;
 
-  m_hwnd = hwnd;
+  m_wsi = wsi;
   m_is_populating_devices = true;
 
 #ifdef CIFACE_USE_DINPUT
@@ -59,7 +59,8 @@ void ControllerInterface::Initialize(void* const hwnd)
 // nothing needed
 #endif
 #ifdef CIFACE_USE_OSX
-  ciface::OSX::Init(hwnd);
+  if (m_wsi.type == WindowSystemType::MacOS)
+    ciface::OSX::Init(wsi.render_surface);
 // nothing needed for Quartz
 #endif
 #ifdef CIFACE_USE_SDL
@@ -92,17 +93,22 @@ void ControllerInterface::RefreshDevices()
   m_is_populating_devices = true;
 
 #ifdef CIFACE_USE_DINPUT
-  ciface::DInput::PopulateDevices(reinterpret_cast<HWND>(m_hwnd));
+  if (m_wsi.type == WindowSystemType::Windows)
+    ciface::DInput::PopulateDevices(reinterpret_cast<HWND>(m_wsi.render_surface));
 #endif
 #ifdef CIFACE_USE_XINPUT
   ciface::XInput::PopulateDevices();
 #endif
 #ifdef CIFACE_USE_XLIB
-  ciface::XInput2::PopulateDevices(m_hwnd);
+  if (m_wsi.type == WindowSystemType::X11)
+    ciface::XInput2::PopulateDevices(m_wsi.render_surface);
 #endif
 #ifdef CIFACE_USE_OSX
-  ciface::OSX::PopulateDevices(m_hwnd);
-  ciface::Quartz::PopulateDevices(m_hwnd);
+  if (m_wsi.type == WindowSystemType::MacOS)
+  {
+    ciface::OSX::PopulateDevices(m_wsi.render_surface);
+    ciface::Quartz::PopulateDevices(m_wsi.render_surface);
+  }
 #endif
 #ifdef CIFACE_USE_SDL
   ciface::SDL::PopulateDevices();
diff --git a/Source/Core/InputCommon/ControllerInterface/ControllerInterface.h b/Source/Core/InputCommon/ControllerInterface/ControllerInterface.h
index c576b20fb3..2e078e8934 100644
--- a/Source/Core/InputCommon/ControllerInterface/ControllerInterface.h
+++ b/Source/Core/InputCommon/ControllerInterface/ControllerInterface.h
@@ -10,6 +10,7 @@
 #include <mutex>
 #include <vector>
 
+#include "Common/WindowSystemInfo.h"
 #include "InputCommon/ControllerInterface/Device.h"
 
 // enable disable sources
@@ -39,8 +40,8 @@
 class ControllerInterface : public ciface::Core::DeviceContainer
 {
 public:
-  ControllerInterface() : m_is_init(false), m_hwnd(nullptr) {}
-  void Initialize(void* const hwnd);
+  ControllerInterface() : m_is_init(false) {}
+  void Initialize(const WindowSystemInfo& wsi);
   void RefreshDevices();
   void Shutdown();
   void AddDevice(std::shared_ptr<ciface::Core::Device> device);
@@ -56,7 +57,7 @@ private:
   mutable std::mutex m_callbacks_mutex;
   bool m_is_init;
   std::atomic<bool> m_is_populating_devices{false};
-  void* m_hwnd;
+  WindowSystemInfo m_wsi;
 };
 
 extern ControllerInterface g_controller_interface;