[gtk/wip/chergert/quartz4u] macos: window itself is the delegate

[Christian Hergert <chergert src gnome org>]

commit e7564f2006d7fdf17c909bc22db8110d139cb0df
Author: Christian Hergert <chergert redhat com>
Date:   Mon May 4 12:06:38 2020 -0700

    macos: window itself is the delegate

 gdk/macos/GdkMacosWindow.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gdk/macos/GdkMacosWindow.c b/gdk/macos/GdkMacosWindow.c
index 7a18e1fd92..ada747ee13 100644
--- a/gdk/macos/GdkMacosWindow.c
+++ b/gdk/macos/GdkMacosWindow.c
@@ -282,7 +282,7 @@
                        screen:screen];
 
   [self setAcceptsMouseMovedEvents:YES];
-  [self setDelegate:nil];
+  [self setDelegate:self];
   [self setReleasedWhenClosed:YES];
 
   view = [[GdkMacosCairoView alloc] initWithFrame:contentRect];