Fixed creating a fullscreen window on iOS

src/video/uikit/SDL_uikitvideo.m

@@ -83,6 +83,7 @@ UIKit_CreateDevice(int devindex)
     device->SetDisplayMode = UIKit_SetDisplayMode;
     device->PumpEvents = UIKit_PumpEvents;
     device->CreateWindow = UIKit_CreateWindow;
+    device->SetWindowFullscreen = UIKit_SetWindowFullscreen;
     device->DestroyWindow = UIKit_DestroyWindow;
     device->GetWindowWMInfo = UIKit_GetWindowWMInfo;
 

src/video/uikit/SDL_uikitwindow.h

@@ -28,6 +28,7 @@
 typedef struct SDL_WindowData SDL_WindowData;
 
 extern int UIKit_CreateWindow(_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,
                                       struct SDL_SysWMinfo * info);

src/video/uikit/SDL_uikitwindow.m

@@ -186,6 +186,21 @@ UIKit_CreateWindow(_THIS, SDL_Window *window)
 
 }
 
+void
+UIKit_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen)
+{
+    UIScreen *uiscreen = (UIScreen *) display->driverdata;
+    UIWindow *uiwindow = ((SDL_WindowData *) window->driverdata)->uiwindow;
+
+    if (fullscreen) {
+        [UIApplication sharedApplication].statusBarHidden = YES;
+        uiwindow.frame = [uiscreen bounds];
+    } else {
+        [UIApplication sharedApplication].statusBarHidden = NO;
+        uiwindow.frame = [uiscreen applicationFrame];
+    }
+}
+
 void
 UIKit_DestroyWindow(_THIS, SDL_Window * window)
 {