DolphinQt2: FocusEventFilter -> WindowActivationEventFilter

Source/Core/DolphinQt2/QtUtils/FocusEventFilter.cpp

@@ -1,19 +0,0 @@
-// Copyright 2017 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
-
-#include <QEvent>
-#include <QObject>
-
-#include "DolphinQt2/QtUtils/FocusEventFilter.h"
-
-bool FocusEventFilter::eventFilter(QObject* object, QEvent* event)
-{
-  if (event->type() == QEvent::FocusOut)
-    emit focusOutEvent();
-
-  if (event->type() == QEvent::FocusIn)
-    emit focusInEvent();
-
-  return false;
-}

Source/Core/DolphinQt2/QtUtils/WindowActivationEventFilter.cpp

@@ -0,0 +1,19 @@
+// Copyright 2017 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include <QEvent>
+#include <QObject>
+
+#include "DolphinQt2/QtUtils/WindowActivationEventFilter.h"
+
+bool WindowActivationEventFilter::eventFilter(QObject* object, QEvent* event)
+{
+  if (event->type() == QEvent::WindowDeactivate)
+    emit windowDeactivated();
+
+  if (event->type() == QEvent::WindowActivate)
+    emit windowActivated();
+
+  return false;
+}

Source/Core/DolphinQt2/QtUtils/WindowActivationEventFilter.h

@@ -6,12 +6,12 @@
 
 #include <QObject>
 
-class FocusEventFilter : public QObject
+class WindowActivationEventFilter : public QObject
 {
   Q_OBJECT
 signals:
-  void focusInEvent();
-  void focusOutEvent();
+  void windowActivated();
+  void windowDeactivated();
 
 private:
   bool eventFilter(QObject* object, QEvent* event) override;