kc3-lang/SDL

diff --git a/src/video/cocoa/SDL_cocoavideo.m b/src/video/cocoa/SDL_cocoavideo.m
index f16b8aa..cf6d846 100644
--- a/src/video/cocoa/SDL_cocoavideo.m
+++ b/src/video/cocoa/SDL_cocoavideo.m
@@ -107,6 +107,7 @@ Cocoa_CreateDevice(int devindex)
     device->GetWindowWMInfo = Cocoa_GetWindowWMInfo;
     device->SetWindowHitTest = Cocoa_SetWindowHitTest;
     device->AcceptDragAndDrop = Cocoa_AcceptDragAndDrop;
+    device->FlashWindow = Cocoa_FlashWindow;
 
     device->shape_driver.CreateShaper = Cocoa_CreateShaper;
     device->shape_driver.SetWindowShape = Cocoa_SetWindowShape;
diff --git a/src/video/cocoa/SDL_cocoawindow.h b/src/video/cocoa/SDL_cocoawindow.h
index a2000d4..96f84f2 100644
--- a/src/video/cocoa/SDL_cocoawindow.h
+++ b/src/video/cocoa/SDL_cocoawindow.h
@@ -151,6 +151,7 @@ extern void Cocoa_DestroyWindow(_THIS, SDL_Window * window);
 extern SDL_bool Cocoa_GetWindowWMInfo(_THIS, SDL_Window * window, struct SDL_SysWMinfo *info);
 extern int Cocoa_SetWindowHitTest(SDL_Window *window, SDL_bool enabled);
 extern void Cocoa_AcceptDragAndDrop(SDL_Window * window, SDL_bool accept);
+extern int Cocoa_FlashWindow(_THIS, SDL_Window * window, Uint32 flash_count);
 
 #endif /* SDL_cocoawindow_h_ */
 
diff --git a/src/video/cocoa/SDL_cocoawindow.m b/src/video/cocoa/SDL_cocoawindow.m
index 2b5d2de..148e2fb 100644
--- a/src/video/cocoa/SDL_cocoawindow.m
+++ b/src/video/cocoa/SDL_cocoawindow.m
@@ -2117,6 +2117,15 @@ Cocoa_AcceptDragAndDrop(SDL_Window * window, SDL_bool accept)
 }
 
 int
+Cocoa_FlashWindow(_THIS, SDL_Window *window, Uint32 flash_count)
+{ @autoreleasepool
+{
+    /* Note that this is app-wide and not window-specific! */
+    [NSApp requestUserAttention:NSInformationalRequest];
+    return 0;
+}}
+
+int
 Cocoa_SetWindowOpacity(_THIS, SDL_Window * window, float opacity)
 {
     SDL_WindowData *data = (SDL_WindowData *) window->driverdata;