Qt: Fix games crashing on start

Source/Core/DolphinQt2/Config/Mapping/GCKeyboardEmu.cpp

@@ -15,8 +15,6 @@
 
 GCKeyboardEmu::GCKeyboardEmu(MappingWindow* window) : MappingWidget(window)
 {
-  Keyboard::Initialize();
-
   CreateMainLayout();
 }
 

Source/Core/DolphinQt2/Config/Mapping/GCPadEmu.cpp

@@ -15,8 +15,6 @@
 
 GCPadEmu::GCPadEmu(MappingWindow* window) : MappingWidget(window)
 {
-  Pad::Initialize();
-
   CreateMainLayout();
 }
 

Source/Core/DolphinQt2/Config/Mapping/MappingWindow.cpp

@@ -25,10 +25,11 @@
 #include "DolphinQt2/Config/Mapping/WiimoteEmuMotionControl.h"
 #include "DolphinQt2/Settings.h"
 #include "InputCommon/ControllerEmu/ControllerEmu.h"
-#include "InputCommon/ControllerInterface/ControllerInterface.h"
 #include "InputCommon/ControllerInterface/Device.h"
 #include "InputCommon/InputConfig.h"
 
+#include "InputCommon/ControllerInterface/ControllerInterface.h"
+
 MappingWindow::MappingWindow(QWidget* parent, int port_num) : QDialog(parent), m_port(port_num)
 {
   setWindowTitle(tr("Port %1").arg(port_num + 1));
@@ -38,8 +39,6 @@ MappingWindow::MappingWindow(QWidget* parent, int port_num) : QDialog(parent), m
   CreateResetLayout();
   CreateMainLayout();
   ConnectWidgets();
-
-  g_controller_interface.Initialize(reinterpret_cast<void*>(winId()));
 }
 
 void MappingWindow::CreateDevicesLayout()

Source/Core/DolphinQt2/Config/Mapping/WiimoteEmuExtension.cpp

@@ -14,8 +14,6 @@
 
 WiimoteEmuExtension::WiimoteEmuExtension(MappingWindow* window) : MappingWidget(window)
 {
-  Wiimote::Initialize(Wiimote::InitializeMode::DO_NOT_WAIT_FOR_WIIMOTES);
-
   CreateClassicLayout();
   CreateDrumsLayout();
   CreateGuitarLayout();

Source/Core/DolphinQt2/Config/Mapping/WiimoteEmuGeneral.cpp

@@ -19,8 +19,6 @@
 WiimoteEmuGeneral::WiimoteEmuGeneral(MappingWindow* window, WiimoteEmuExtension* extension)
     : MappingWidget(window), m_extension_widget(extension)
 {
-  Wiimote::Initialize(Wiimote::InitializeMode::DO_NOT_WAIT_FOR_WIIMOTES);
-
   CreateMainLayout();
   Connect();
 }

Source/Core/DolphinQt2/Config/Mapping/WiimoteEmuMotionControl.cpp

@@ -15,7 +15,6 @@
 
 WiimoteEmuMotionControl::WiimoteEmuMotionControl(MappingWindow* window) : MappingWidget(window)
 {
-  Wiimote::Initialize(Wiimote::InitializeMode::DO_NOT_WAIT_FOR_WIIMOTES);
   CreateMainLayout();
 }
 

Source/Core/DolphinQt2/MainWindow.cpp

@@ -10,7 +10,12 @@
 #include "Core/BootManager.h"
 #include "Core/ConfigManager.h"
 #include "Core/Core.h"
+#include "Core/HW/GCKeyboard.h"
+#include "Core/HW/GCPad.h"
 #include "Core/HW/ProcessorInterface.h"
+#include "Core/HW/Wiimote.h"
+#include "Core/HW/WiimoteEmu/WiimoteEmu.h"
+#include "Core/HotkeyManager.h"
 #include "Core/Movie.h"
 #include "Core/NetPlayProto.h"
 #include "Core/State.h"
@@ -24,6 +29,8 @@
 #include "DolphinQt2/Resources.h"
 #include "DolphinQt2/Settings.h"
 
+#include "InputCommon/ControllerInterface/ControllerInterface.h"
+
 MainWindow::MainWindow() : QMainWindow(nullptr)
 {
   setWindowTitle(tr("Dolphin"));
@@ -38,6 +45,8 @@ MainWindow::MainWindow() : QMainWindow(nullptr)
   ConnectRenderWidget();
   ConnectStack();
   ConnectMenuBar();
+
+  InitControllers();
 }
 
 MainWindow::~MainWindow()
@@ -45,6 +54,18 @@ MainWindow::~MainWindow()
   m_render_widget->deleteLater();
 }
 
+void MainWindow::InitControllers()
+{
+  if (g_controller_interface.IsInit())
+    return;
+
+  g_controller_interface.Initialize(reinterpret_cast<void*>(winId()));
+  Pad::Initialize();
+  Keyboard::Initialize();
+  Wiimote::Initialize(Wiimote::InitializeMode::DO_NOT_WAIT_FOR_WIIMOTES);
+  HotkeyManagerEmu::Initialize();
+}
+
 void MainWindow::CreateComponents()
 {
   m_menu_bar = new MenuBar(this);

Source/Core/DolphinQt2/MainWindow.h

@@ -65,6 +65,8 @@ private:
   void ConnectToolBar();
   void ConnectPathsDialog();
 
+  void InitControllers();
+
   void StartGame(const QString& path);
   void ShowRenderWidget();
   void HideRenderWidget();