Fix exiting OpenMW via the window close button (regression)

apps/openmw/mwinput/inputmanagerimp.cpp

@@ -641,6 +641,11 @@ namespace MWInput
         mOgre.windowResized(x,y);
     }
 
+    void InputManager::windowClosed()
+    {
+        MWBase::Environment::setRequestExit();
+    }
+
     void InputManager::toggleMainMenu()
     {
         if (MyGUI::InputManager::getInstance ().isModalAny())

apps/openmw/mwinput/inputmanagerimp.hpp

@@ -97,6 +97,7 @@ namespace MWInput
         virtual void windowVisibilityChange( bool visible );
         virtual void windowFocusChange( bool have_focus );
         virtual void windowResized (int x, int y);
+        virtual void windowClosed ();
 
         virtual void channelChanged(ICS::Channel* channel, float currentValue, float previousValue);
 

extern/sdl4ogre/events.h

@@ -70,6 +70,8 @@ public:
     /** @remarks The window got / lost input focus */
     virtual void windowFocusChange( bool have_focus ) {}
 
+    virtual void windowClosed () {}
+
     virtual void windowResized (int x, int y) {}
 };
 

extern/sdl4ogre/sdlinputwrapper.cpp

@@ -103,7 +103,8 @@ namespace SFO
                     handleWindowEvent(evt);
                     break;
                 case SDL_QUIT:
-                    Ogre::Root::getSingleton().queueEndRendering();
+                    if (mWindowListener)
+                        mWindowListener->windowClosed();
                     break;
                 default:
                     std::cerr << "Unhandled SDL event of type " << evt.type << std::endl;