Merge pull request #1340 from PlutonicOverkill/pause-when-minimised

Pause game when minimised on Windows (Bug #3943)

components/sdlutil/sdlinputwrapper.cpp

@@ -221,10 +221,12 @@ InputWrapper::InputWrapper(SDL_Window* window, osg::ref_ptr<osgViewer::Viewer> v
             case SDL_WINDOWEVENT_CLOSE:
                 break;
             case SDL_WINDOWEVENT_SHOWN:
+            case SDL_WINDOWEVENT_RESTORED:
                 if (mWindowListener)
                     mWindowListener->windowVisibilityChange(true);
                 break;
             case SDL_WINDOWEVENT_HIDDEN:
+            case SDL_WINDOWEVENT_MINIMIZED:
                 if (mWindowListener)
                     mWindowListener->windowVisibilityChange(false);
                 break;