Fix for the Game Center status window always being behind the SDL window (untested!)

Author: slouken

src/video/uikit/SDL_uikitopengles.m

@@ -90,13 +90,9 @@ void UIKit_GL_SwapWindow(_THIS, SDL_Window * window)
         return;
     }
     [data->view swapBuffers];
-    /* since now we've got something to draw
-       make the window visible */
-    [data->uiwindow makeKeyAndVisible];
 
     /* we need to let the event cycle run, or the OS won't update the OpenGL view! */
     SDL_PumpEvents();
-
 }
 
 SDL_GLContext UIKit_GL_CreateContext(_THIS, SDL_Window * window)

src/video/uikit/SDL_uikitvideo.m

@@ -83,6 +83,8 @@ static void UIKit_DeleteDevice(SDL_VideoDevice * device)
     device->SetDisplayMode = UIKit_SetDisplayMode;
     device->PumpEvents = UIKit_PumpEvents;
     device->CreateWindow = UIKit_CreateWindow;
+    device->ShowWindow = UIKit_ShowWindow;
+    device->HideWindow = UIKit_HideWindow;
     device->SetWindowFullscreen = UIKit_SetWindowFullscreen;
     device->DestroyWindow = UIKit_DestroyWindow;
     device->GetWindowWMInfo = UIKit_GetWindowWMInfo;

src/video/uikit/SDL_uikitwindow.h

@@ -29,6 +29,8 @@
 typedef struct SDL_WindowData SDL_WindowData;
 
 extern int UIKit_CreateWindow(_THIS, SDL_Window * window);
+extern void UIKit_ShowWindow(_THIS, SDL_Window * window);
+extern void UIKit_HideWindow(_THIS, SDL_Window * window);
 extern void UIKit_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen);
 extern void UIKit_DestroyWindow(_THIS, SDL_Window * window);
 extern SDL_bool UIKit_GetWindowWMInfo(_THIS, SDL_Window * window,

src/video/uikit/SDL_uikitwindow.m

@@ -210,6 +210,22 @@ static int SetupWindowData(_THIS, SDL_Window *window, UIWindow *uiwindow, SDL_bo
 
 }
 
+void
+UIKit_ShowWindow(_THIS, SDL_Window * window)
+{
+    UIWindow *uiwindow = ((SDL_WindowData *) window->driverdata)->uiwindow;
+
+    [uiwindow makeKeyAndVisible];
+}
+
+void
+UIKit_HideWindow(_THIS, SDL_Window * window)
+{
+    UIWindow *uiwindow = ((SDL_WindowData *) window->driverdata)->uiwindow;
+
+    uiwindow.hidden = YES;
+}
+
 void
 UIKit_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen)
 {